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Huang J, Wang X, Zeng Y, Xu H, Zhang S, Ding Z, Guo R. Identification of key mitochondria-related genes and their potential crosstalk role with immune pattern in Idiopathic pulmonary fibrosis. Gene 2024; 930:148840. [PMID: 39147114 DOI: 10.1016/j.gene.2024.148840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2024] [Revised: 07/29/2024] [Accepted: 08/09/2024] [Indexed: 08/17/2024]
Abstract
BACKGROUND Idiopathic pulmonary fibrosis (IPF) stands out as a life-threatening and one of the most severe interstitial lung diseases. The pathogenesis of IPF is not fully understood, while recent studies have highlighted the association of mitochondrial dysfunction with IPF. This study is dedicated to pinpointing crucial genes related to mitochondria that potentially impact the advancement of IPF, thereby offering new perspectives on the pathogenesis of this condition. METHODS The Gene Expression Omnibus (GEO) database was utilized to download three datasets (GSE32537, GSE92592, and GSE150910), following which a comprehensive analysis was conducted to identify differentially expressed mitochondria-related genes (DEMTRGs) in the IPF lung tissues. Subsequently, GO and KEGG enrichment analysis of the DEMTRGs was performed. Next, external datasets and in vivo experiments were performed to validate their expression. Additionally, a Logistic regression model based on key DEMTRGs was constructed, and the model's ability to distinguish between IPF and controls was evaluated using the area under the receiver operating characteristic (ROC) curve (AUC). Finally, gene set enrichment analysis (GSEA) and CIBERSORT algorithm were conducted. RESULTS We identified five key DEMTRGs (ALDH18A1, ALDH1B1, MCCC1, ACAT1, and PDHA1), ALDH18A1 and ALDH1B1 exhibited upregulated expression levels, whereas MCCC1, ACAT1, and PDHA1 showed downregulation in the lung tissue of individuals with IPF. The expression levels of these key DEMTRGs were validated by an independent external dataset (GSE53845) and the bleomycin-induced pulmonary fibrosis mice. In addition, the ROCs indicated that the diagnostic model constructed based on key DEMTRGs could effectively distinguish between IPF and controls (AUC>0.8). GSEA analysis and immune-related analysis shed light on the potential mechanisms through which these key DEMTRGs influence IPF. CONCLUSION Our research has pinpointed key genes associated with mitochondria that may ultimately contribute to the progression of IPF by exerting regulatory effects on mitochondrial function, thereby influencing multiple cellular processes.
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Affiliation(s)
- Jun Huang
- Department of Pharmacy, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, China
| | - Xia Wang
- Department of Pharmacy, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, China
| | - Youjie Zeng
- Department of Anesthesiology, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, China
| | - Huilin Xu
- Department of Pharmacy, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, China
| | - Siyi Zhang
- Department of Pharmacy, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, China
| | - Zhigang Ding
- Center for Experimental Medicine, The Third Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
| | - Ren Guo
- Department of Pharmacy, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, China.
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2
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Li H, Lin S, Wang Y, Shi Y, Fang X, Wang J, Cui H, Bian Y, Qi X. Immunosenescence: A new direction in anti-aging research. Int Immunopharmacol 2024; 141:112900. [PMID: 39137628 DOI: 10.1016/j.intimp.2024.112900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 07/22/2024] [Accepted: 08/05/2024] [Indexed: 08/15/2024]
Abstract
The immune system is a major regulatory system of the body, that is composed of immune cells, immune organs, and related signaling factors. As an organism ages, observable age-related changes in the function of the immune system accumulate in a process described as 'immune aging. Research has shown that the impact of aging on immunity is detrimental, with various dysregulated responses that affect the function of immune cells at the cellular level. For example, increased aging has been shown to result in the abnormal chemotaxis of neutrophils and decreased phagocytosis of macrophages. Age-related diminished functionality of immune cell types has direct effects on host fitness, leading to poorer responses to vaccination, more inflammation and tissue damage, as well as autoimmune disorders and the inability to control infections. Similarly, age impacts the function of the immune system at the organ level, resulting in decreased hematopoietic function in the bone marrow, a gradual deficiency of catalase in the thymus, and thymic atrophy, resulting in reduced production of related immune cells such as B cells and T cells, further increasing the risk of autoimmune disorders in the elderly. As the immune function of the body weakens, aging cells and inflammatory factors cannot be cleared, resulting in a cycle of increased inflammation that accumulates over time. Cumulatively, the consequences of immune aging increase the likelihood of developing age-related diseases, such as Alzheimer's disease, atherosclerosis, and osteoporosis, among others. Therefore, targeting the age-related changes that occur within cells of the immune system might be an effective anti-aging strategy. In this article, we summarize the relevant literature on immune aging research, focusing on its impact on aging, in hopes of providing new directions for anti-aging research.
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Affiliation(s)
- Hanzhou Li
- Tianjin University of Traditional Chinese Medicine, Tianjin, China; Tianjin Union Medical Center, Tianjin, China
| | - Shan Lin
- Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yuming Wang
- Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yuexuan Shi
- Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xixing Fang
- College of Traditional Chinese Medicine, Changchun University of Traditional Chinese Medicine, Changchun, China
| | - Jida Wang
- Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Huantian Cui
- Yunnan University of Chinese Medicine, Yunnan, China.
| | - Yuhong Bian
- Tianjin University of Traditional Chinese Medicine, Tianjin, China.
| | - Xin Qi
- Tianjin University of Traditional Chinese Medicine, Tianjin, China; Tianjin Union Medical Center, Tianjin, China.
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3
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Šimunić E, Podgorski II, Pinterić M, Hadžija MP, Belužić R, Paradžik M, Dončević L, Balog T, Kaloper M, Habisch H, Madl T, Korać A, Sobočanec S. Sirtuin 3 drives sex-specific responses to age-related changes in mouse embryonic fibroblasts. Mech Ageing Dev 2024:111996. [PMID: 39395563 DOI: 10.1016/j.mad.2024.111996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2024] [Revised: 10/08/2024] [Accepted: 10/08/2024] [Indexed: 10/14/2024]
Abstract
The aging process is a complex phenomenon characterised by a gradual decline in physiological functions and an increased susceptibility to age-related diseases. An important factor in aging is mitochondrial dysfunction, which leads to an accumulation of cellular damage over time. Mitochondrial Sirtuin 3 (Sirt3), an important regulator of energy metabolism, plays a central role in maintaining mitochondrial function. Loss of Sirt3 can lead to reduced energy levels and an impaired ability to repair cellular damage, a hallmark of the aging process. In this study we investigated the impact of Sirt3 loss on mitochondrial function, metabolic responses and cellular aging processes in male and female mouse embryonic fibroblasts (MEF) exposed to etoposide-induced DNA damage, which is commonly associated with cellular dysfunction and senescence. We found that Sirt3 contributes to the sex-specific metabolic response to etoposide treatment. While male MEF exhibited minimal damage suggesting potential prior adaptation to stress due to Sirt3 loss, female MEF lacking Sirt3 experienced higher vulnerability to genotoxic stress, implying a pivotal role of Sirt3 in their resistance to such challenges. These findings offer potential insights into therapeutic strategies targeting Sirt3- and sex-specific signalling pathways in diseases associated with DNA damage that play a critical role in the aging process.
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Affiliation(s)
- Ena Šimunić
- Division for Molecular Medicine, Rudjer Boskovic Institute, Bijenička cesta 54, 10 000 Zagreb, Croatia.
| | - Iva I Podgorski
- Division for Molecular Medicine, Rudjer Boskovic Institute, Bijenička cesta 54, 10 000 Zagreb, Croatia.
| | - Marija Pinterić
- Division for Molecular Medicine, Rudjer Boskovic Institute, Bijenička cesta 54, 10 000 Zagreb, Croatia.
| | - Marijana Popović Hadžija
- Division for Molecular Medicine, Rudjer Boskovic Institute, Bijenička cesta 54, 10 000 Zagreb, Croatia.
| | - Robert Belužić
- Division for Molecular Medicine, Rudjer Boskovic Institute, Bijenička cesta 54, 10 000 Zagreb, Croatia.
| | - Mladen Paradžik
- Division for Molecular Medicine, Rudjer Boskovic Institute, Bijenička cesta 54, 10 000 Zagreb, Croatia.
| | - Lucija Dončević
- Department of Chemistry, Faculty of Science, University of Zagreb, Horvatovac 102a, 10 000 Zagreb, Croatia.
| | - Tihomir Balog
- Division for Molecular Medicine, Rudjer Boskovic Institute, Bijenička cesta 54, 10 000 Zagreb, Croatia.
| | - Marta Kaloper
- Division of Molecular Biology, Faculty of Science, University of Zagreb, Ravnice 48, 10 000 Zagreb, Croatia.
| | - Hansjörg Habisch
- Division of Medicinal Chemistry, Medical University of Graz, Neue Stiftingtalstraße 6, 8010 Graz, Austria.
| | - Tobias Madl
- BioTechMed Graz, Mozartgasse 12/II, 8010 Graz, Austria.
| | - Aleksandra Korać
- Faculty of Biology, University of Belgrade, Studentski trg 16, 11158 Beograd, Serbia.
| | - Sandra Sobočanec
- Division for Molecular Medicine, Rudjer Boskovic Institute, Bijenička cesta 54, 10 000 Zagreb, Croatia.
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4
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Dong Z, Wang X, Wang P, Bai M, Wang T, Chu Y, Qin Y. Idiopathic Pulmonary Fibrosis Caused by Damaged Mitochondria and Imbalanced Protein Homeostasis in Alveolar Epithelial Type II Cell. Adv Biol (Weinh) 2024:e2400297. [PMID: 39390651 DOI: 10.1002/adbi.202400297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Revised: 08/21/2024] [Indexed: 10/12/2024]
Abstract
Alveolar epithelial Type II (ATII) cells are closely associated with early events of Idiopathic pulmonary fibrosis (IPF). Proteostasis dysfunction, endoplasmic reticulum (ER) stress, and mitochondrial dysfunction are known causes of decreased proliferation of alveolar epithelial cells and the secretion of pro-fibrotic mediators. Here, a large body of evidence is systematized and a cascade relationship between protein homeostasis, endoplasmic reticulum stress, mitochondrial dysfunction, and fibrotropic cytokines is proposed, providing a theoretical basis for ATII cells dysfunction as a possible pathophysiological initiating event for idiopathic pulmonary fibrosis.
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Affiliation(s)
- Zhaoxiong Dong
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, School of Biomedical Engineering, Guangzhou Medical University, Guangzhou, 510260, China
- Institute of Biophysics, Chinese Academy of Sciences 15 Datun Road, Chaoyang District, Beijing, 100101, China
- College of Life Science, Mudanjiang Medical University, Mudanjiang, 157000, China
| | - Xiaolong Wang
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, School of Biomedical Engineering, Guangzhou Medical University, Guangzhou, 510260, China
| | - Peiwen Wang
- College of Life Science, Mudanjiang Medical University, Mudanjiang, 157000, China
| | - Mingjian Bai
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, School of Biomedical Engineering, Guangzhou Medical University, Guangzhou, 510260, China
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100101, China
| | - Tianyu Wang
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, 100101, China
| | - Yanhui Chu
- College of Life Science, Mudanjiang Medical University, Mudanjiang, 157000, China
| | - Yan Qin
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, School of Biomedical Engineering, Guangzhou Medical University, Guangzhou, 510260, China
- Institute of Biophysics, Chinese Academy of Sciences 15 Datun Road, Chaoyang District, Beijing, 100101, China
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5
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Yu GT, Ganier C, Allison DB, Tchkonia T, Khosla S, Kirkland JL, Lynch MD, Wyles SP. Mapping epidermal and dermal cellular senescence in human skin aging. Aging Cell 2024:e14358. [PMID: 39370688 DOI: 10.1111/acel.14358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2024] [Revised: 08/27/2024] [Accepted: 09/13/2024] [Indexed: 10/08/2024] Open
Abstract
Single-cell RNA sequencing and spatial transcriptomics enable unprecedented insight into cellular and molecular pathways implicated in human skin aging and regeneration. Senescent cells are individual cells that are irreversibly cell cycle arrested and can accumulate across the human lifespan due to cell-intrinsic and -extrinsic stressors. With an atlas of single-cell RNA-sequencing and spatial transcriptomics, epidermal and dermal senescence and its effects were investigated, with a focus on melanocytes and fibroblasts. Photoaging due to ultraviolet light exposure was associated with higher burdens of senescent cells, a sign of biological aging, compared to chronological aging. A skin-specific cellular senescence gene set, termed SenSkin™, was curated and confirmed to be elevated in the context of photoaging, chronological aging, and non-replicating CDKN1A+ (p21) cells. In the epidermis, senescent melanocytes were associated with elevated melanin synthesis, suggesting haphazard pigmentation, while in the dermis, senescent reticular dermal fibroblasts were associated with decreased collagen and elastic fiber synthesis. Spatial analysis revealed the tendency for senescent cells to cluster, particularly in photoaged skin. This work proposes a strategy for characterizing age-related skin dysfunction through the lens of cellular senescence and suggests a role for senescent epidermal cells (i.e., melanocytes) and senescent dermal cells (i.e., reticular dermal fibroblasts) in age-related skin sequelae.
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Affiliation(s)
- Grace T Yu
- Mayo Clinic Medical Scientist Training Program, Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic Alix School of Medicine, Rochester, Minnesota, USA
| | - Clarisse Ganier
- Centre for Gene Therapy and Regenerative Medicine, King's College London, Guy's Hospital, London, UK
| | - David B Allison
- Indiana University School of Public Health, Bloomington, Indiana, USA
| | - Tamara Tchkonia
- Division of Endocrinology and Metabolism, Department of Medicine, Center for Gerotherapeutics, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Sundeep Khosla
- Division of Endocrinology, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
| | - James L Kirkland
- Division of Endocrinology and Metabolism, Department of Medicine, Center for Gerotherapeutics, Cedars-Sinai Medical Center, Los Angeles, California, USA
| | - Magnus D Lynch
- Centre for Gene Therapy and Regenerative Medicine, King's College London, Guy's Hospital, London, UK
- St. John's Institute of Dermatology, King's College London, Guy's Hospital, London, UK
| | - Saranya P Wyles
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, Minnesota, USA
- Department of Dermatology, Mayo Clinic, Rochester, Minnesota, USA
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6
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Wang W, Zhou K, Wang L, Qin Q, Liu H, Qin L, Yang M, Yuan L, Liu C. Aging in chronic lung disease: Will anti-aging therapy be the key to the cure? Eur J Pharmacol 2024; 980:176846. [PMID: 39067566 DOI: 10.1016/j.ejphar.2024.176846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 07/24/2024] [Accepted: 07/24/2024] [Indexed: 07/30/2024]
Abstract
Chronic lung disease is the third leading cause of death globally, imposing huge burden of death, disability and healthcare costs. However, traditional pharmacotherapy has relatively limited effects in improving the cure rate and reducing the mortality of chronic lung disease. Thus, new treatments are urgently needed for the prevention and treatment of chronic lung disease. It is particularly noteworthy that, multiple aging-related phenotypes were involved in the occurrence and development of chronic lung disease, such as blocked proliferation, telomere attrition, mitochondrial dysfunction, epigenetic alterations, altered nutrient perception, stem cell exhaustion, chronic inflammation, etc. Consequently, senescent cells induce a series of pathological changes in the lung, such as immune dysfunction, airway remodeling, oxidative stress and regenerative dysfunction, which is a critical issue that needs special attention in chronic lung diseases. Therefore, anti-aging interventions may bring new insights into the treatment of chronic lung diseases. In this review, we elaborate the involvement of aging in chronic lung disease and further discuss the application and prospects of anti-aging therapy.
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Affiliation(s)
- Weijie Wang
- Department of Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, China; Department of Physiology, School of Basic Medicine Science, Central South University, Changsha, Hunan, China; National Experimental Teaching Demonstration Center for Medical Function, China
| | - Kai Zhou
- Department of Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, China; Basic and Clinical Research Laboratory of Major Respiratory Diseases, Central South University, Changsha, Hunan, China; National Experimental Teaching Demonstration Center for Medical Function, China
| | - Leyuan Wang
- Department of Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, China; Basic and Clinical Research Laboratory of Major Respiratory Diseases, Central South University, Changsha, Hunan, China; National Experimental Teaching Demonstration Center for Medical Function, China
| | - Qiuyan Qin
- Department of Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, China; Basic and Clinical Research Laboratory of Major Respiratory Diseases, Central South University, Changsha, Hunan, China; National Experimental Teaching Demonstration Center for Medical Function, China
| | - Huijun Liu
- Department of Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, China; Basic and Clinical Research Laboratory of Major Respiratory Diseases, Central South University, Changsha, Hunan, China; National Experimental Teaching Demonstration Center for Medical Function, China
| | - Ling Qin
- Department of Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, China; Basic and Clinical Research Laboratory of Major Respiratory Diseases, Central South University, Changsha, Hunan, China
| | - Ming Yang
- Centre for Asthma and Respiratory Disease, School of Biomedical Sciences and Pharmacy, Faculty of Health and Medicine, University of Newcastle and Hunter Medical Research Institute, Callaghan, New South Wales, Australia
| | - Lin Yuan
- Department of Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, China; Department of Physiology, School of Basic Medicine Science, Central South University, Changsha, Hunan, China; National Experimental Teaching Demonstration Center for Medical Function, China.
| | - Chi Liu
- Department of Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, China; Department of Physiology, School of Basic Medicine Science, Central South University, Changsha, Hunan, China; Basic and Clinical Research Laboratory of Major Respiratory Diseases, Central South University, Changsha, Hunan, China; National Experimental Teaching Demonstration Center for Medical Function, China.
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7
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Wang Q, Li A, Li Q, Li J, Wang Q, Wu S, Meng J, Liu C, Wang D, Chen Y. Carbon monoxide attenuates cellular senescence-mediated pulmonary fibrosis via modulating p53/PAI-1 pathway. Eur J Pharmacol 2024; 980:176843. [PMID: 39068977 DOI: 10.1016/j.ejphar.2024.176843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 07/10/2024] [Accepted: 07/22/2024] [Indexed: 07/30/2024]
Abstract
PURPOSE Idiopathic pulmonary fibrosis (IPF) is a fatal progressive condition often requiring lung transplantation. Accelerated senescence of type II alveolar epithelial cells (AECII) plays a crucial role in pulmonary fibrosis progression through the secretion of the senescence-associated secretory phenotype (SASP). Low-dose carbon monoxide (CO) possesses anti-inflammatory, anti-oxidative, and anti-aging properties. This study aims to explore the preventive effects of CO-releasing molecule 2 (CORM2) in a bleomycin-induced pulmonary fibrosis model. METHODS We established an pulmonary fibrosis model in C57BL/6J mice and evaluated the impact of CORM2 on fibrosis pathology using Masson's trichrome staining, fluorescence staining, and pulmonary function tests. Fibrogenic marker expression and SASP secretion in tissues and AECII cells were analyzed using qRT-PCR, Western blot, and ELISA assays both in vivo and in vitro. Additionally, we investigated DNA damage and cellular senescence through immunofluorescence and SA-β-gal staining. RESULTS CORM2 showed a preventive effect on bleomycin-induced lung fibrosis by improving pulmonary function and reducing the expression of fibrosis-related genes, such as TGF-β, α-SMA, Collagen I/III. CORM2 decreased the DNA damage response by inhibiting γ-H2AX, p53, and p21. We identified PAI-1 as a new target gene that was downregulated by CORM2, and which was associated with cellular senescence and fibrosis. CORM2 effectively inhibited cellular senescence and delayed EMT occurrence in AECII cells. CONCLUSION Our study highlights the potential of CORM2 in preventing DNA damage-induced cellular senescence in bleomycin-induced pulmonary fibrosis through modulation of the p53/PAI-1 signaling pathway. These findings underscore the promising prospects of CORM2 in targeting cellular senescence and the p53/PAI-1 pathway as a potential preventive strategy for IPF.
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Affiliation(s)
- Qianqian Wang
- Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, 116622, Liaoning, China; Chronic Disease Research Center, Medical College, Dalian University, Dalian, 116622, Liaoning, China
| | - Aohan Li
- Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, 116622, Liaoning, China
| | - Qian Li
- Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, 116622, Liaoning, China
| | - Jiaxin Li
- Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, 116622, Liaoning, China; Case Statistics Office, The Fourth Affiliated Hospital of Harbin Medical University, No. 37, Yiyuan Street, Harbin, 150011, China
| | - Qi Wang
- Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, 116622, Liaoning, China
| | - Siyuan Wu
- Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, 116622, Liaoning, China
| | - Jiaojiao Meng
- Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, 116622, Liaoning, China
| | - Changpeng Liu
- Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, 116622, Liaoning, China
| | - Dan Wang
- Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, 116622, Liaoning, China; Chronic Disease Research Center, Medical College, Dalian University, Dalian, 116622, Liaoning, China.
| | - Yingqing Chen
- Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, 116622, Liaoning, China; Chronic Disease Research Center, Medical College, Dalian University, Dalian, 116622, Liaoning, China.
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8
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Ghosh P, Fontanella RA, Scisciola L, Taktaz F, Pesapane A, Basilicata MG, Tortorella G, Mattacchione G, Capuano A, Vietri MT, Selvaggi F, Paolisso G, Barbieri M. Obesity-induced neuronal senescence: Unraveling the pathophysiological links. Ageing Res Rev 2024; 101:102533. [PMID: 39368666 DOI: 10.1016/j.arr.2024.102533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2024] [Revised: 07/24/2024] [Accepted: 09/30/2024] [Indexed: 10/07/2024]
Abstract
Obesity is one of the most prevalent and increasing metabolic disorders and is considered one of the twelve risk factors for dementia. Numerous studies have demonstrated that obesity induces pathophysiological changes leading to cognitive decline; however, the underlying molecular mechanisms are yet to be fully elucidated. Various biochemical processes, including chronic inflammation, oxidative stress, insulin resistance, dysregulation of lipid metabolism, disruption of the blood-brain barrier, and the release of adipokines have been reported to contribute to the accumulation of senescent neurons during obesity. These senescent cells dysregulate neuronal health and function by exhibiting a senescence-associated secretory phenotype, inducing neuronal inflammation, deregulating cellular homeostasis, causing mitochondrial dysfunction, and promoting microglial infiltration. These factors act as major risks for the occurrence of neurodegenerative diseases and cognitive decline. This review aims to focus on how obesity upregulates neuronal senescence and explores both pharmacological and non-pharmacological interventions for preventing cognitive impairments, thus offering new insights into potential therapeutic strategies.
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Affiliation(s)
- Puja Ghosh
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Rosaria Anna Fontanella
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Lucia Scisciola
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Fatemeh Taktaz
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Ada Pesapane
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Manuela Giovanna Basilicata
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Giovanni Tortorella
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | | | - Annalisa Capuano
- Department of Experimental Medicine - Section of Pharmacology "L. Donatelli", University of Campania "Luigi Vanvitelli", Naples 80138, Italy
| | - Maria Teresa Vietri
- Department of Precision Medicine, University of Campania "Luigi Vanvitelli", Via L. De Crecchio, Naples 80138, Italy; UOC Clinical and Molecular Pathology, AOU University of Campania "Luigi Vanvitelli", Naple 80138, Italy
| | - Francesco Selvaggi
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Giuseppe Paolisso
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy; UniCamillus, International Medical University, Rome, Italy
| | - Michelangela Barbieri
- Department of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy.
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9
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Tu M, Lu C, Jia H, Chen S, Wang Y, Li J, Cheng J, Yang M, Zhang G. SULF1 expression is increased and promotes fibrosis through the TGF-β1/SMAD pathway in idiopathic pulmonary fibrosis. J Transl Med 2024; 22:885. [PMID: 39354547 PMCID: PMC11446151 DOI: 10.1186/s12967-024-05698-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2024] [Accepted: 09/22/2024] [Indexed: 10/03/2024] Open
Abstract
BACKGROUND Idiopathic pulmonary fibrosis (IPF) is a chronic and progressive interstitial lung disease of unknown etiology. Despite the increasing global incidence and poor prognosis, the exact pathogenic mechanisms remain elusive. Currently, effective therapeutic targets and treatment methods for this disease are still lacking. This study tried to explore the pathogenic mechanisms of IPF. We found elevated expression of SULF1 in lung tissues of IPF patients compared to normal control lung tissues. SULF1 is an enzyme that modifies heparan sulfate chains of heparan sulfate proteoglycans, playing a critical role in biological regulation. However, the effect of SULF1 in pulmonary fibrosis remains incompletely understood. Our study aimed to investigate the impact and mechanisms of SULF1 in fibrosis. METHODS We collected lung specimens from IPF patients for transcriptome sequencing. Validation of SULF1 expression in IPF patients was performed using Western blotting and RT-qPCR on lung tissues. ELISA experiments were employed to detect SULF1 concentrations in IPF patient plasma and TGF-β1 levels in cell culture supernatants. We used lentiviral delivery of SULF1 shRNA to knock down SULF1 in HFL1 cells, evaluating its effects on fibroblast secretion, activation, proliferation, migration, and invasion capabilities. Furthermore, we employed Co-Immunoprecipitation (Co-IP) to investigate the regulatory mechanisms involved. RESULTS Through bioinformatic analysis of IPF transcriptomic sequencing data (HTIPF) and datasets GSE24206, and GSE53845, we identified SULF1 may potentially play a crucial role in IPF. Subsequently, we verified that SULF1 was upregulated in IPF and predominantly increased in fibroblasts. Furthermore, SULF1 expression was induced in HFL1 cells following exposure to TGF-β1. Knockdown of SULF1 suppressed fibroblast secretion, activation, proliferation, migration, and invasion under both TGF-β1-driven and non-TGF-β1-driven conditions. We found that SULF1 catalyzes the release of TGF-β1 bound to TGFβRIII, thereby activating the TGF-β1/SMAD pathway to promote fibrosis. Additionally, TGF-β1 induces SULF1 expression through the TGF-β1/SMAD pathway, suggesting a potential positive feedback loop between SULF1 and the TGF-β1/SMAD pathway. CONCLUSIONS Our findings reveal that SULF1 promotes fibrosis through the TGF-β1/SMAD pathway in pulmonary fibrosis. Targeting SULF1 may offer a promising therapeutic strategy against IPF.
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Affiliation(s)
- Meng Tu
- Department of Respiratory Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Henan Key Laboratory of Interstitial Lung Diseases and Lung Transplantation, Zhengzhou, Henan, China
| | - Chunya Lu
- Department of Respiratory Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Henan Key Laboratory of Interstitial Lung Diseases and Lung Transplantation, Zhengzhou, Henan, China
| | - Hongxia Jia
- Department of Respiratory Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Shanshan Chen
- Department of Respiratory Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Henan Key Laboratory of Interstitial Lung Diseases and Lung Transplantation, Zhengzhou, Henan, China
| | - Yan Wang
- Department of Respiratory Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Jing Li
- Department of Respiratory Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Jiuling Cheng
- Department of Respiratory Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Ming Yang
- Priority Research Centre for Healthy Lungs, School of Biomedical Sciences and Pharmacy, Faculty of Health and Hunter Medical Research Institute, University of Newcastle, Callaghan, Australia.
- Academy of Medical Sciences and Department of Immunology, College of Basic Medical Sciences, Zhengzhou University, Zhengzhou, Henan, China.
| | - Guojun Zhang
- Department of Respiratory Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China.
- Henan Key Laboratory of Interstitial Lung Diseases and Lung Transplantation, Zhengzhou, Henan, China.
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10
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Salminen A. Inhibitory immune checkpoints suppress the surveillance of senescent cells promoting their accumulation with aging and in age-related diseases. Biogerontology 2024; 25:749-773. [PMID: 38954358 PMCID: PMC11374851 DOI: 10.1007/s10522-024-10114-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Accepted: 06/18/2024] [Indexed: 07/04/2024]
Abstract
The accumulation of pro-inflammatory senescent cells within tissues is a common hallmark of the aging process and many age-related diseases. This modification has been called the senescence-associated secretory phenotype (SASP) and observed in cultured cells and in cells isolated from aged tissues. Currently, there is a debate whether the accumulation of senescent cells within tissues should be attributed to increased generation of senescent cells or to a defect in their elimination from aging tissues. Emerging studies have revealed that senescent cells display an increased expression of several inhibitory immune checkpoint ligands, especially those of the programmed cell death protein-1 (PD-1) ligand-1 (PD-L1) proteins. It is known that the PD-L1 ligands, especially those of cancer cells, target the PD-1 receptor of cytotoxic CD8+ T and natural killer (NK) cells disturbing their functions, e.g., evoking a decline in their cytotoxic activity and promoting their exhaustion and even apoptosis. An increase in the level of the PD-L1 protein in senescent cells was able to suppress their immune surveillance and inhibit their elimination by cytotoxic CD8+ T and NK cells. Senescent cells are known to express ligands for several inhibitory immune checkpoint receptors, i.e., PD-1, LILRB4, NKG2A, TIM-3, and SIRPα receptors. Here, I will briefly describe those pathways and examine whether these inhibitory checkpoints could be involved in the immune evasion of senescent cells with aging and age-related diseases. It seems plausible that an enhanced inhibitory checkpoint signaling can prevent the elimination of senescent cells from tissues and thus promote the aging process.
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Affiliation(s)
- Antero Salminen
- Department of Neurology, Institute of Clinical Medicine, University of Eastern Finland, P.O. Box 1627, 70211, Kuopio, Finland.
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11
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Zhao H, Liu Z, Chen H, Han M, Zhang M, Liu K, Jin H, Liu X, Shi M, Pu W, Werner M, Meister M, Kauschke SG, Sun R, Wang J, Shen R, Wang QD, Ma X, Tchorz JS, Zhou B. Identifying specific functional roles for senescence across cell types. Cell 2024:S0092-8674(24)01069-9. [PMID: 39368477 DOI: 10.1016/j.cell.2024.09.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 07/16/2024] [Accepted: 09/12/2024] [Indexed: 10/07/2024]
Abstract
Cellular senescence plays critical roles in aging, regeneration, and disease; yet, the ability to discern its contributions across various cell types to these biological processes remains limited. In this study, we generated an in vivo genetic toolbox consisting of three p16Ink4a-related intersectional genetic systems, enabling pulse-chase tracing (Sn-pTracer), Cre-based tracing and ablation (Sn-cTracer), and gene manipulation combined with tracing (Sn-gTracer) of defined p16Ink4a+ cell types. Using liver injury and repair as an example, we found that macrophages and endothelial cells (ECs) represent distinct senescent cell populations with different fates and functions during liver fibrosis and repair. Notably, clearance of p16Ink4a+ macrophages significantly mitigates hepatocellular damage, whereas eliminating p16Ink4a+ ECs aggravates liver injury. Additionally, targeted reprogramming of p16Ink4a+ ECs through Kdr overexpression markedly reduces liver fibrosis. This study illuminates the functional diversity of p16Ink4a+ cells and offers insights for developing cell-type-specific senolytic therapies in the future.
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Affiliation(s)
- Huan Zhao
- New Cornerstone Science Laboratory, Key Laboratory of Multi-Cell Systems, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Zixin Liu
- New Cornerstone Science Laboratory, Key Laboratory of Multi-Cell Systems, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Hui Chen
- New Cornerstone Science Laboratory, Key Laboratory of Multi-Cell Systems, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Maoying Han
- New Cornerstone Science Laboratory, Key Laboratory of Multi-Cell Systems, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China; School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Mingjun Zhang
- New Cornerstone Science Laboratory, Key Laboratory of Multi-Cell Systems, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Kuo Liu
- New Cornerstone Science Laboratory, Key Laboratory of Multi-Cell Systems, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China; Key Laboratory of Systems Health Science of Zhejiang Province, School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, China
| | - Hengwei Jin
- New Cornerstone Science Laboratory, Key Laboratory of Multi-Cell Systems, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Xiuxiu Liu
- New Cornerstone Science Laboratory, Key Laboratory of Multi-Cell Systems, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Mengyang Shi
- New Cornerstone Science Laboratory, Key Laboratory of Multi-Cell Systems, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Wenjuan Pu
- New Cornerstone Science Laboratory, Key Laboratory of Multi-Cell Systems, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China
| | - Markus Werner
- Department of CardioMetabolic Diseases Research, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach, Germany
| | - Michael Meister
- Department of CardioMetabolic Diseases Research, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach, Germany
| | - Stefan G Kauschke
- Department of CardioMetabolic Diseases Research, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach, Germany
| | - Ruilin Sun
- Shanghai Model Organisms Center, Inc., Shanghai, China
| | - Jinjin Wang
- Shanghai Model Organisms Center, Inc., Shanghai, China
| | - Ruling Shen
- Shanghai Laboratory Animal Research Center, Shanghai, China
| | - Qing-Dong Wang
- Bioscience Cardiovascular, Research and Early Development, Cardiovascular, Renal and Metabolism, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Xin Ma
- Department of Pharmacology, Wuxi School of Medicine, Jiangnan University, Wuxi, China
| | - Jan S Tchorz
- Biomedical Research, Novartis Pharma AG, Basel, Switzerland
| | - Bin Zhou
- New Cornerstone Science Laboratory, Key Laboratory of Multi-Cell Systems, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, China; School of Life Science and Technology, ShanghaiTech University, Shanghai, China; Key Laboratory of Systems Health Science of Zhejiang Province, School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, China.
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12
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Milara J, Ribera P, Marín S, Montero P, Roger I, Tenor H, Cortijo J. Phosphodiesterase 4 is overexpressed in human keloids and its inhibition reduces fibroblast activation and skin fibrosis. Chem Biol Interact 2024; 402:111211. [PMID: 39197814 DOI: 10.1016/j.cbi.2024.111211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2024] [Revised: 08/05/2024] [Accepted: 08/26/2024] [Indexed: 09/01/2024]
Abstract
There is a pressing medical need for improved treatments in skin fibrosis including keloids and hypertrophic scars (HTS). This study aimed to characterize the role of phosphodiesterase 4 (PDE4), specifically PDE4B in fibrotic skin remodeling in vitro and in vivo. In vitro, effects of PDE4A-D (Roflumilast) or PDE4B (siRNA) inhibition on TGFβ1-induced myofibroblast differentiation and dedifferentiation were studied in normal (NHDF) and keloid (KF) human dermal fibroblasts. In vivo, the role of PDE4 on HOCl-induced skin fibrosis in mice was addressed in preventive and therapeutic protocols. PDE4B (mRNA, protein) was increased in Keloid > HTS compared to healthy skin and in TGFβ-stimulated NHDF and KF. In Keloid > HTS, collagen Iα1, αSMA, TGFβ1 and NOX4 mRNA were all elevated compared to healthy skin confirming skin fibrosis. In vitro, inhibition of PDE4A-D and PDE4B similarly prevented TGFβ1-induced Smad3 and ERK1/2 phosphorylation and myofibroblast differentiation, elevated NOX4 protein and proliferation in NHDF. PDE4A-D inhibition enabled myofibroblast dedifferentiation and curbed TGFβ1-induced reactive oxygen species and fibroblast senescence. In KF PDE4A-D inhibition restrained TGFβ1-induced Smad3 and ERK1/2 phosphorylation, myofibroblast differentiation and senescence. Mechanistically, PDE4A-D inhibition rescued from TGFβ1-induced loss in PPM1A, a Smad3 phosphatase. In vivo, PDE4 inhibition mitigated HOCl-induced skin fibrosis in mice in preventive and therapeutic protocols. The current study provides novel evidence evolving rationale for PDE4 inhibitors in skin fibrosis (including keloids and HTS) and delivered evidence for a functional role of PDE4B in this fibrotic condition.
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Affiliation(s)
- Javier Milara
- CIBER de Enfermedades Respiratorias, Health Institute Carlos III, Valencia, Spain; Department of Pharmacology, Faculty of Medicine, University of Valencia, Spain; Pharmacy Unit, University General Hospital Consortium of Valencia, Spain.
| | - Pilar Ribera
- Department of Pharmacology, Faculty of Medicine, University of Valencia, Spain
| | - Severiano Marín
- Plastic Surgery Unit, University General Hospital Consortium, 46014, Valencia, Spain
| | - Paula Montero
- Department of Pharmacology, Faculty of Medicine, University of Valencia, Spain; Faculty of Health Sciences, Universidad Europea de Valencia, 46010, Valencia, Spain
| | - Inés Roger
- CIBER de Enfermedades Respiratorias, Health Institute Carlos III, Valencia, Spain; Department of Pharmacology, Faculty of Medicine, University of Valencia, Spain; Faculty of Health Sciences, Universidad Europea de Valencia, 46010, Valencia, Spain
| | | | - Julio Cortijo
- CIBER de Enfermedades Respiratorias, Health Institute Carlos III, Valencia, Spain; Department of Pharmacology, Faculty of Medicine, University of Valencia, Spain
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13
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Zhang Y, Liu J, Zheng R, Hou K, Zhang Y, Jia T, Lu X, Samarawickrama PN, Jia S, He Y, Liu J. Curcumin analogue EF24 prevents alveolar epithelial cell senescence to ameliorate idiopathic pulmonary fibrosis via activation of PTEN. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 133:155882. [PMID: 39096545 DOI: 10.1016/j.phymed.2024.155882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Revised: 05/16/2024] [Accepted: 07/13/2024] [Indexed: 08/05/2024]
Abstract
BACKGROUND Treating Idiopathic pulmonary fibrosis (IPF) remains challenging owing to its relentless progression, grim prognosis, and the scarcity of effective treatment options. Emerging evidence strongly supports the critical role of accelerated senescence in alveolar epithelial cells (AECs) in driving the progression of IPF. Consequently, targeting senescent AECs emerges as a promising therapeutic strategy for IPF. PURPOSE Curcumin analogue EF24 is a derivative of curcumin and shows heightened bioactivity encompassing anti-inflammatory, anti-tumor and anti-aging properties. The objective of this study was to elucidate the therapeutic potential and underlying molecular mechanisms of EF24 in the treatment of IPF. METHODS A549 and ATII cells were induced to become senescent using bleomycin. Senescence markers were examined using different methods including senescence-associated β-galactosidase (SA-β-gal) staining, western blotting, and q-PCR. Mice were intratracheally administrated with bleomycin to induce pulmonary fibrosis. This was validated by micro-computed tomography (CT), masson trichrome staining, and transmission electron microscope (TEM). The role and underlying mechanisms of EF24 in IPF were determined in vitro and in vivo by evaluating the expressions of PTEN, AKT/mTOR/NF-κB signaling pathway, and mitophagy using western blotting or flow cytometry. RESULTS We identified that the curcumin analogue EF24 was the most promising candidate among 12 compounds against IPF. EF24 treatment significantly reduced senescence biomarkers in bleomycin-induced senescent AECs, including SA-β-Gal, PAI-1, P21, and the senescence-associated secretory phenotype (SASP). EF24 also effectively inhibited fibroblast activation which was induced by senescent AECs or TGF-β. We revealed that PTEN activation was integral for EF24 to inhibit AECs senescence by suppressing the AKT/mTOR/NF-κB signaling pathway. Additionally, EF24 improved mitochondrial dysfunction through induction of mitophagy. Furthermore, EF24 administration significantly reduced the senescent phenotype induced by bleomycin in the lung tissues of mice. Notably, EF24 mitigates fibrosis and promotes overall health benefits in both the acute and chronic phases of IPF, suggesting its therapeutic potential in IPF treatment. CONCLUSION These findings collectively highlight EF24 as a new and effective therapeutic agent against IPF by inhibiting senescence in AECs.
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Affiliation(s)
- Yanghuan Zhang
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, PR China
| | - Jiahua Liu
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, PR China
| | - Runzi Zheng
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, PR China
| | - Kailong Hou
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, PR China
| | - Yanduo Zhang
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, PR China
| | - Tongxin Jia
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, PR China
| | - Xiyi Lu
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, PR China
| | - Priyadarshani Nadeeshika Samarawickrama
- Key Laboratory of Healthy Aging Research of Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650201, PR China; Key Laboratory of Genetic Evolution & Animal Models,Chinese Academy of Sciences, Kunming 650201, PR China; University of Chinese Academy of Sciences, Beijing 101408, PR China
| | - Shuting Jia
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, PR China.
| | - Yonghan He
- Key Laboratory of Healthy Aging Research of Yunnan Province, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650201, PR China; Key Laboratory of Genetic Evolution & Animal Models,Chinese Academy of Sciences, Kunming 650201, PR China.
| | - Jing Liu
- Laboratory of Molecular Genetics of Aging and Tumor, Medical School, Kunming University of Science and Technology, Kunming 650500, PR China.
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14
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Chen Y, Shen J, Zhao X, He Q, Zhang J. The up-regulation of PD-L1 during boningmycin-induced senescence in human cancer cells depends on the activation of the JAK/STAT signaling pathway mediated by SASP. Immunol Cell Biol 2024; 102:847-859. [PMID: 39044372 DOI: 10.1111/imcb.12812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 05/28/2024] [Accepted: 07/09/2024] [Indexed: 07/25/2024]
Abstract
Therapy-induced senescence can regulate both the innate and adaptive immune systems, thereby affecting therapeutic efficacy. Bleomycin is a major component of combined chemotherapy regimens, utilized for the treatment of multiple tumors, whereas pulmonary toxicity severely restricts its clinical benefits. As a member of the bleomycin family, boningmycin (BON) exhibits potent anticancer activity with minimal pulmonary toxicity, making it a potential alternative to bleomycin. Low concentrations of BON can induce senescence, but the impact of BON-induced senescence on anticancer immunity remains unclear. This study investigates the effects of BON-induced senescence on PD-L1 expression and the underlying mechanisms in human cancer cells. Firstly, the elevation of PD-L1 protein during BON-induced senescence was confirmed by a senescence β-galactosidase staining assay, detection of the senescence-associated secretory phenotype (SASP), western blot and flow cytometry in human lung cancer NCI-H460 cells and breast cancer MDA-MB-231 cells. Subsequently, it was shown that the increase in PD-L1 protein is mediated by SASP, as evidenced by the use of conditional media, knockdown of cyclic GMP-AMP synthase and inhibition of stimulator of interferon genes. Ultimately, it was demonstrated that SASP-mediated PD-L1 up-regulation is dependent on the activation of the JAK/STAT pathway through the use of specific inhibitors and siRNAs. These findings clarify the impact of BON-induced senescence on PD-L1 expression and may contribute to the optimization of the therapeutic efficacy of bleomycin-related compounds and the clinical transformation of BON.
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Affiliation(s)
- Yang Chen
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jiajia Shen
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiaoli Zhao
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Qiyang He
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Juan Zhang
- Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, China
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Chen X, Wu F, Chen C, Ren Q, Zhang A. Ginkgo Biloba Extract Can Antagonize Subchronic Arsenite Exposure-Induced Hepatocyte Senescence by Inhibiting Oxidative Damage and Inflammation in Rats. Biol Trace Elem Res 2024; 202:4596-4604. [PMID: 38110608 DOI: 10.1007/s12011-023-04021-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Accepted: 12/11/2023] [Indexed: 12/20/2023]
Abstract
A growing body of evidence suggests that long-term arsenic exposure can induce liver injury. Our previous studies have demonstrated that liver injury occurs in arsenic-poisoning patients and arsenic-exposed rats. However, therapeutic targets are still unclear, and there is a lack of effective drugs. This study aimed to investigate the effects of sodium arsenite (arsenite) exposure on hepatocyte senescence and the intervention effect of ginkgo biloba extract in rats. In this study, 24 male Sprague-Dawley rats (weighing 180-200 g) were randomized into three groups. The control group received a normal diet, and the arsenic-exposed group was given 10 mg/L arsenite for 3 months by free drinking along with a normal diet. The ginkgo biloba extract treatment group was consecutively administered EGb761 (10 mg/kg, by gavage) for 1 month following 2 months of arsenite exposure. Our results showed that exposure to 10 mg/L arsenite induced narrowing of the hepatic sinus space, enlargement of hepatocytes, and increased multinucleated hepatocytes and inflammatory cell infiltration in rat liver tissue compared with the normal control group. Moreover, 10 mg/L arsenite also caused abnormal expression of inflammation-related indices (IL1-β, IL-6, TNF-α), oxidative damage-related indices (SOD, MDA, GPx), and senescence-related proteins (p16, p-p53, E2F1). EGb761 could effectively reduce the pathological damage of liver tissue and antagonize the abnormal expression of liver tissue inflammation and oxidative damage-related indices as well as cellular senescence-related proteins caused by arsenite exposure. Notably, EGb761 reduced the accumulation of arsenic in rat liver tissues. These results suggested that EGb761 could effectively alleviate subchronic arsenic exposure-induced senescence of hepatocytes, which may be achieved partially through inhibiting inflammation and oxidative damage in rats. This study may provide a new therapeutic target for arsenic-induced liver injury.
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Affiliation(s)
- Xiong Chen
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Department of Toxicology, School of Public Health, Guizhou Medical University, Guiyang, 550025, China.
| | - Fan Wu
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Department of Toxicology, School of Public Health, Guizhou Medical University, Guiyang, 550025, China
| | - Cheng Chen
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Department of Toxicology, School of Public Health, Guizhou Medical University, Guiyang, 550025, China
| | - Qian Ren
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Department of Toxicology, School of Public Health, Guizhou Medical University, Guiyang, 550025, China
| | - Aihua Zhang
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Department of Toxicology, School of Public Health, Guizhou Medical University, Guiyang, 550025, China.
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Li X, Liu Y, Tang Y, Xia Z. Transformation of macrophages into myofibroblasts in fibrosis-related diseases: emerging biological concepts and potential mechanism. Front Immunol 2024; 15:1474688. [PMID: 39386212 PMCID: PMC11461261 DOI: 10.3389/fimmu.2024.1474688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2024] [Accepted: 09/06/2024] [Indexed: 10/12/2024] Open
Abstract
Macrophage-myofibroblast transformation (MMT) transforms macrophages into myofibroblasts in a specific inflammation or injury microenvironment. MMT is an essential biological process in fibrosis-related diseases involving the lung, heart, kidney, liver, skeletal muscle, and other organs and tissues. This process consists of interacting with various cells and molecules and activating different signal transduction pathways. This review deeply discussed the molecular mechanism of MMT, clarified crucial signal pathways, multiple cytokines, and growth factors, and formed a complex regulatory network. Significantly, the critical role of transforming growth factor-β (TGF-β) and its downstream signaling pathways in this process were clarified. Furthermore, we discussed the significance of MMT in physiological and pathological conditions, such as pulmonary fibrosis and cardiac fibrosis. This review provides a new perspective for understanding the interaction between macrophages and myofibroblasts and new strategies and targets for the prevention and treatment of MMT in fibrotic diseases.
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Affiliation(s)
- Xiujun Li
- Health Science Center, Chifeng University, Chifeng, China
| | - Yuyan Liu
- Rehabilitation Medicine College, Shandong Second Medical University, Jinan, China
| | - Yongjun Tang
- Department of Emergency, Affiliated Hospital of Chifeng University, Chifeng, China
| | - Zhaoyi Xia
- Department of Library, Children’s Hospital Affiliated to Shandong University, Jinan, China
- Department of Library, Jinan Children’s Hospital, Jinan, China
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Liu Y, Ji J, Zheng S, Wei A, Li D, Shi B, Han X, Chen X. Senescent lung-resident mesenchymal stem cells drive pulmonary fibrogenesis through FGF-4/FOXM1 axis. Stem Cell Res Ther 2024; 15:309. [PMID: 39289765 PMCID: PMC11409797 DOI: 10.1186/s13287-024-03866-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Accepted: 07/27/2024] [Indexed: 09/19/2024] Open
Abstract
BACKGROUND Idiopathic pulmonary fibrosis (IPF) is an age-related disease featured with abnormal fibrotic response and compromised lung function. Cellular senescence is now considered as an essential driving mechanism for IPF. Given the poor knowledge of the mechanisms underpinning IPF progression, understanding the cellular processes and molecular pathways is critical for developing effective therapies of IPF. METHODS Lung fibrosis was induced using bleomycin in C57BL/6 mice. Cellular senescence was measured by immunofluorescence. The effects of FGF-4 on fibroblast activation markers and signaling molecules were assessed with western blot and qPCR. RESULTS We demonstrated elevated abundance of senescent mesenchymal stem cells (MSCs) in IPF lung tissues, which was tightly correlated with the severity of pulmonary fibrosis in vivo. In addition, senescent MSCs could effectively induce the phenotype of pulmonary fibrosis both in vitro and in vivo. To further confirm how senescent MSCs regulate IPF progression, we demonstrate that FGF-4 is significantly elevated in senescent MSCs, which can induce the activation of pulmonary fibroblasts. In vitro, FGF-4 can activate Wnt signaling in a FOXM1-dependent manner. Inhibition of FOXM1 via thiostrepton effectively impairs FGF-4-induced activation of pulmonary fibroblast and dramatically suppresses the development of pulmonary fibrosis. CONCLUSION These findings reveal that FGF-4 plays a crucial role in senescent MSCs-mediated pulmonary fibrogenesis, and suggests that strategies aimed at deletion of senescent MSCs or blocking the FGF-4/FOXM1 axis could be effective in the therapy of IPF.
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Affiliation(s)
- Yuxin Liu
- State Key Laboratory of Analytical Chemistry for Life Science, Division of Anatomy and Histo-embryology, Medical School, Nanjing University, Nanjing, Jiangsu, 210093, China
- Jiangsu Key Laboratory of Molecular Medicine, Nanjing University, Nanjing, Jiangsu, 210093, China
| | - Jie Ji
- State Key Laboratory of Analytical Chemistry for Life Science, Division of Anatomy and Histo-embryology, Medical School, Nanjing University, Nanjing, Jiangsu, 210093, China
- Jiangsu Key Laboratory of Molecular Medicine, Nanjing University, Nanjing, Jiangsu, 210093, China
| | - Shudan Zheng
- State Key Laboratory of Analytical Chemistry for Life Science, Division of Anatomy and Histo-embryology, Medical School, Nanjing University, Nanjing, Jiangsu, 210093, China
- Jiangsu Key Laboratory of Molecular Medicine, Nanjing University, Nanjing, Jiangsu, 210093, China
| | - Ai Wei
- State Key Laboratory of Analytical Chemistry for Life Science, Division of Anatomy and Histo-embryology, Medical School, Nanjing University, Nanjing, Jiangsu, 210093, China
| | - Dongmei Li
- State Key Laboratory of Analytical Chemistry for Life Science, Division of Anatomy and Histo-embryology, Medical School, Nanjing University, Nanjing, Jiangsu, 210093, China
- Jiangsu Key Laboratory of Molecular Medicine, Nanjing University, Nanjing, Jiangsu, 210093, China
| | - Bin Shi
- Pulmonary and Critical Care Medicine, Suqian People's Hospital of Nanjing Gulou Hospital Group, Suqian Scientific Research Institute of Nanjing University Medical School, Nanjing University, Suqian, Jiangsu, 223800, China.
| | - Xiaodong Han
- State Key Laboratory of Analytical Chemistry for Life Science, Division of Anatomy and Histo-embryology, Medical School, Nanjing University, Nanjing, Jiangsu, 210093, China.
- Jiangsu Key Laboratory of Molecular Medicine, Nanjing University, Nanjing, Jiangsu, 210093, China.
- Immunology and Reproduction Biology Laboratory & State Key Laboratory of Analytical Chemistry for Life Science, Medical School, Nanjing University, Nanjing, Jiangsu, China.
| | - Xiang Chen
- State Key Laboratory of Analytical Chemistry for Life Science, Division of Anatomy and Histo-embryology, Medical School, Nanjing University, Nanjing, Jiangsu, 210093, China.
- Department of Basic Medical Science, Jiangsu Vocational College of Medicine, Yancheng, Jiangsu, 224008, China.
- State Key Laboratory of Pharmaceutical Biotechnology, Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu, China.
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18
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Zheng YL, Wu X, Williams M, Verhulst S, Lin J, Takahashi Y, Ma JX, Wang Y. High-throughput single telomere analysis using DNA microarray and fluorescent in situ hybridization. Nucleic Acids Res 2024:gkae812. [PMID: 39291738 DOI: 10.1093/nar/gkae812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2024] [Revised: 08/30/2024] [Accepted: 09/09/2024] [Indexed: 09/19/2024] Open
Abstract
The human telomere system is highly dynamic. Both short and long leucocyte average telomere lengths (aTL) are associated with an increased risk of cancer and early death, illustrating the complex relationship between TL and human health and the importance of assessing TL distributions with single TL analysis. A DNA microarray and telomere fluorescent in situ hybridization (DNA-array-FISH) approach was developed to measure the base-pair (bp) lengths of single telomeres. On average 32000 telomeres were measured per DNA sample with one microarray chip assaying 96 test DNA samples. Various telomere parameters, i.e. aTL and the frequency of short/long telomeres, were computed to delineate TL distribution. The intra-assay and inter-assay coefficient of variations of aTL ranged from 1.37% to 3.98%. The correlation coefficient (r) of aTL in repeated measurements ranged from 0.91 to 1.00, demonstrating high measurement precision. aTLs measured by DNA-array-FISH predicted aTLs measured by terminal restriction fragment (TRF) analysis with r ranging 0.87-0.99. A new accurate and high-throughput method has been developed to measure the bp lengths of single telomeres. The large number of single TL data provides an opportunity for an in-depth analysis of telomere dynamics and the complex relationship between telomere and age-related diseases.
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Affiliation(s)
- Yun-Ling Zheng
- Cancer Prevention and Control Program, Department of Oncology, Georgetown University Medical Center, Georgetown University, Washington, DC 20057, USA
| | - Xingjia Wu
- Cancer Prevention and Control Program, Department of Oncology, Georgetown University Medical Center, Georgetown University, Washington, DC 20057, USA
| | - Madeline Williams
- Cancer Prevention and Control Program, Department of Oncology, Georgetown University Medical Center, Georgetown University, Washington, DC 20057, USA
| | - Simon Verhulst
- Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, The Netherlands
| | - Jue Lin
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, CA 94143, USA
| | - Yusuke Takahashi
- Department of Biochemistry, Wake Forest School of Medicine, NC 27157, USA
| | - Jian-Xing Ma
- Department of Biochemistry, Wake Forest School of Medicine, NC 27157, USA
| | - Ying Wang
- TelohealthDx, LLC, Clarksburg, MD 20871, USA
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Chen H, Lee YJ, Ovando-Ricardez JA, Rosas L, Rojas M, Mora AL, Bar-Joseph Z, Lugo-Martinez J. Recovering single-cell expression profiles from spatial transcriptomics with scResolve. CELL REPORTS METHODS 2024:100864. [PMID: 39326411 DOI: 10.1016/j.crmeth.2024.100864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 06/14/2024] [Accepted: 08/30/2024] [Indexed: 09/28/2024]
Abstract
Many popular spatial transcriptomics techniques lack single-cell resolution. Instead, these methods measure the collective gene expression for each location from a mixture of cells, potentially containing multiple cell types. Here, we developed scResolve, a method for recovering single-cell expression profiles from spatial transcriptomics measurements at multi-cellular resolution. scResolve accurately restores expression profiles of individual cells at their locations, which is unattainable with cell type deconvolution. Applications of scResolve on human breast cancer data and human lung disease data demonstrate that scResolve enables cell-type-specific differential gene expression analysis between different tissue contexts and accurate identification of rare cell populations. The spatially resolved cellular-level expression profiles obtained through scResolve facilitate more flexible and precise spatial analysis that complements raw multi-cellular level analysis.
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Affiliation(s)
- Hao Chen
- Ray and Stephanie Lane Computational Biology Department, School of Computer Science, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Young Je Lee
- Ray and Stephanie Lane Computational Biology Department, School of Computer Science, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Jose A Ovando-Ricardez
- Dorothy M. Davis Heart and Lung Research Institute, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, The Ohio State University, Columbus, OH 43210, USA
| | - Lorena Rosas
- Dorothy M. Davis Heart and Lung Research Institute, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, The Ohio State University, Columbus, OH 43210, USA
| | - Mauricio Rojas
- Dorothy M. Davis Heart and Lung Research Institute, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, The Ohio State University, Columbus, OH 43210, USA
| | - Ana L Mora
- Dorothy M. Davis Heart and Lung Research Institute, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, The Ohio State University, Columbus, OH 43210, USA
| | - Ziv Bar-Joseph
- Ray and Stephanie Lane Computational Biology Department, School of Computer Science, Carnegie Mellon University, Pittsburgh, PA 15213, USA; Machine Learning Department, School of Computer Science, Carnegie Mellon University, Pittsburgh, PA 15213, USA
| | - Jose Lugo-Martinez
- Ray and Stephanie Lane Computational Biology Department, School of Computer Science, Carnegie Mellon University, Pittsburgh, PA 15213, USA.
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20
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Li Y, Yin H, Yuan H, Wang E, Wang C, Li H, Geng X, Zhang Y, Bai J. IL-10 deficiency aggravates cell senescence and accelerates BLM-induced pulmonary fibrosis in aged mice via PTEN/AKT/ERK pathway. BMC Pulm Med 2024; 24:443. [PMID: 39261827 PMCID: PMC11389321 DOI: 10.1186/s12890-024-03260-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 08/30/2024] [Indexed: 09/13/2024] Open
Abstract
BACKGROUND Pulmonary fibrosis (PF) is an aging-related progressive lung disorder. The aged lung undergoes functional and structural changes termed immunosenescence and inflammaging, which facilitate the occurrence of fibrosis. Interleukin-10 (IL-10) is a potent anti-inflammatory and immunoregulatory cytokine, yet it remains unclear how IL-10 deficiency-induced immunosenescence participates in the development of PF. METHODS Firstly we evaluated the susceptibility to fibrosis and IL-10 expression in aged mice. Then 13-month-old wild-type (WT) and IL-10 knockout (KO) mice were subjected to bleomycin(BLM) and analyzed senescence-related markers by PCR, western blot and immunohistochemistry staining of p16, p21, p53, as well as DHE and SA-β-gal staining. We further compared 18-month-old WT mice with 13-month-old IL-10KO mice to assess aging-associated cell senescence and inflamation infiltration in both lung and BALF. Moreover, proliferation and apoptosis of alveolar type 2 cells(AT2) were evaluated by FCM, immunofluorescence, TUNEL staining, and TEM analysis. Recombinant IL-10 (rIL-10) was also administered intratracheally to evaluate its therapeutic potential and related mechanism. For the in vitro experiments, 10-week-old naïve pramily lung fibroblasts(PLFs) were treated with the culture medium of 13-month PLFs derived from WT, IL-10KO, or IL-10KO + rIL-10 respectively, and examined the secretion of senescence-associated secretory phenotype (SASP) factors and related pathways. RESULTS The aged mice displayed increased susceptibility to fibrosis and decreased IL-10 expression. The 13-month-old IL-10KO mice exhibited significant exacerbation of cell senescence compared to their contemporary WT mice, and even more severe epithelial-mesenchymal transition (EMT) than that of 18 month WT mice. These IL-10 deficient mice showed heightened inflammatory responses and accelerated PF progression. Intratracheal administration of rIL-10 reduced lung CD45 + cell infiltration by 15%, including a 6% reduction in granulocytes and a 10% reduction in macrophages, and increased the proportion of AT2 cells by approximately 8%. Additionally, rIL-10 significantly decreased α-SMA and collagen deposition, and reduced the expression of senescence proteins p16 and p21 by 50% in these mice. In vitro analysis revealed that conditioned media from IL-10 deficient mice promoted SASP secretion and upregulated senescence genes in naïve lung fibroblasts, which was mitigated by rIL-10 treatment. Mechanistically, rIL-10 inhibited TGF-β-Smad2/3 and PTEN/PI3K/AKT/ERK pathways, thereby suppressing senescence and fibrosis-related proteins. CONCLUSIONS IL-10 deficiency in aged mice leads to accelerated cell senescence and exacerbated fibrosis, with IL-10KO-PLFs displaying increased SASP secretion. Recombinant IL-10 treatment effectively mitigates these effects, suggesting its potential as a therapeutic target for PF.
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Affiliation(s)
- Yinzhen Li
- Department of Emergency Medicine and Critical Care, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
- Research Center for Translational Medicine, Shanghai East Hospital, Tongji University, Shanghai, 200092, China
- Department of Respiratory and Critical Care Medicine, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Hui Yin
- Research Center for Translational Medicine, Shanghai East Hospital, Tongji University, Shanghai, 200092, China
- Department of Thoracic Surgery, The First Affiliated Hospital of Shaoyang University, Shaoyang, 422000, China
| | - Huixiao Yuan
- Research Center for Translational Medicine, Shanghai East Hospital, Tongji University, Shanghai, 200092, China
| | - Enhao Wang
- Research Center for Translational Medicine, Shanghai East Hospital, Tongji University, Shanghai, 200092, China
| | - Chunmei Wang
- Department of Emergency Medicine and Critical Care, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Hongqiang Li
- Department of Emergency Medicine and Critical Care, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Xuedi Geng
- Research Center for Translational Medicine, Shanghai East Hospital, Tongji University, Shanghai, 200092, China
| | - Ying Zhang
- Department of Emergency Medicine and Critical Care, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China.
| | - Jianwen Bai
- Department of Emergency Medicine and Critical Care, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China.
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21
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Kuhn PM, Chen S, Venkatraman A, Abadir PM, Walston JD, Kokkoli E. Co-Delivery of Valsartan and Metformin from a Thermosensitive Hydrogel-Nanoparticle System Promotes Collagen Production in Proliferating and Senescent Primary Human Dermal Fibroblasts. Biomacromolecules 2024; 25:5702-5717. [PMID: 39186039 DOI: 10.1021/acs.biomac.3c01461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/27/2024]
Abstract
Aging negatively impacts skin health, notably through the senescent cell phenotype, which reduces collagen production and leads to thinner, more fragile skin prone to injuries and chronic wounds. We designed a drug delivery system that addresses these age-related issues using a hybrid hydrogel-nanoparticle system that utilizes a poly(δ-valerolactone-co-lactide)-b-poly(ethylene-glycol)-b-poly(δ-valerolactone-co-lactide) (PVLA-PEG-PVLA) hydrogel. This hydrogel allows for the local, extended release of therapeutics targeting both proliferating and senescent cells. The PVLA-PEG-PVLA hydrogel entrapped valsartan, and metformin-loaded liposomes functionalized with a fibronectin-mimetic peptide, PR_b. Metformin acts as a senomorphic, reversing aspects of cellular senescence, and valsartan, an angiotensin receptor blocker, promotes collagen production. This combination treatment partially reversed the senescent phenotype and improved collagen production in senescent dermal fibroblasts from both young and old adults. Our codelivery hydrogel-nanoparticle system offers a promising treatment for improving age-related dermal pathologies.
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Affiliation(s)
- Paul M Kuhn
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Siwei Chen
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Aditya Venkatraman
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Peter M Abadir
- Division of Geriatrics and Gerontology, Johns Hopkins University School of Medicine, Baltimore, Maryland 21224, United States
| | - Jeremy D Walston
- Division of Geriatrics and Gerontology, Johns Hopkins University School of Medicine, Baltimore, Maryland 21224, United States
| | - Efrosini Kokkoli
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
- Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, Maryland 21218, United States
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22
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Deng Y, Liu T, Scifo E, Li T, Xie K, Taschler B, Morsy S, Schaaf K, Ehninger A, Bano D, Ehninger D. Analysis of the senescence-associated cell surfaceome reveals potential senotherapeutic targets. Aging Cell 2024:e14312. [PMID: 39228130 DOI: 10.1111/acel.14312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 07/22/2024] [Accepted: 07/27/2024] [Indexed: 09/05/2024] Open
Abstract
The accumulation of senescent cells is thought to play a crucial role in aging-associated physiological decline and the pathogenesis of various age-related pathologies. Targeting senescence-associated cell surface molecules through immunotherapy emerges as a promising avenue for the selective removal of these cells. Despite its potential, a thorough characterization of senescence-specific surface proteins remains to be achieved. Our study addresses this gap by conducting an extensive analysis of the cell surface proteome, or "surfaceome", in senescent cells, spanning various senescence induction regimes and encompassing both murine and human cell types. Utilizing quantitative mass spectrometry, we investigated enriched cell surface proteins across eight distinct models of senescence. Our results uncover significant changes in surfaceome expression profiles during senescence, highlighting extensive modifications in cell mechanics and extracellular matrix remodeling. Our research also reveals substantive heterogeneity of senescence, predominantly influenced by cell type and senescence inducer. A key discovery of our study is the identification of four unique cell surface proteins with extracellular epitopes. These proteins are expressed in senescent cells, absent or present at low levels in their proliferating counterparts, and notably upregulated in tissues from aged mice and an Alzheimer's disease mouse model. These proteins stand out as promising candidates for senotherapeutic targeting, offering potential pathways for the detection and strategic targeting of senescent cell populations in aging and age-related diseases.
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Affiliation(s)
- Yushuang Deng
- Translational Biogerontology Lab, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Ting Liu
- Translational Biogerontology Lab, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Enzo Scifo
- Translational Biogerontology Lab, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Tao Li
- Department of Neurodegenerative Disease and Geriatric Psychiatry/Neurology, University of Bonn Medical Center, Bonn, Germany
| | - Kan Xie
- Translational Biogerontology Lab, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | | | - Sarah Morsy
- Translational Biogerontology Lab, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
- AvenCell Europe GmbH, Dresden, Germany
| | - Kristina Schaaf
- Translational Biogerontology Lab, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | | | - Daniele Bano
- Aging and Neurodegeneration Lab, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Dan Ehninger
- Translational Biogerontology Lab, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
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23
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Zhang Z, Yang R, Zi Z, Liu B. A new clinical age of aging research. Trends Endocrinol Metab 2024:S1043-2760(24)00223-6. [PMID: 39227191 DOI: 10.1016/j.tem.2024.08.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2024] [Revised: 08/08/2024] [Accepted: 08/09/2024] [Indexed: 09/05/2024]
Abstract
Aging is a major risk factor for a variety of diseases, thus, translation of aging research into practical applications is driven by the unmet need for existing clinical therapeutic options. Basic and translational research efforts are converging at a critical stage, yielding insights into how fundamental aging mechanisms are used to identify promising geroprotectors or therapeutics. This review highlights several research areas from a clinical perspective, including senescent cell targeting, alleviation of inflammaging, and optimization of metabolism with endogenous metabolites or precursors. Refining our understanding of these key areas, especially from the clinical angle, may help us to better understand and attenuate aging processes and improve overall health outcomes.
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Affiliation(s)
- Zhen Zhang
- Shenzhen Key Laboratory for Systemic Aging and Intervention (SKL-SAI), School of Basic Medical Sciences, Shenzhen University Medical School, Shenzhen 518055, China
| | - Renlei Yang
- Department of Plastic Surgery, Affiliated Friendship Plastic Surgery Hospital of Nanjing Medical University, Nanjing Medical University, Nanjing, China
| | - Zhike Zi
- Key Laboratory of Quantitative Synthetic Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Baohua Liu
- Shenzhen Key Laboratory for Systemic Aging and Intervention (SKL-SAI), School of Basic Medical Sciences, Shenzhen University Medical School, Shenzhen 518055, China.
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Espina-Ordoñez M, Balderas-Martínez YI, Torres-Machorro AL, Herrera I, Maldonado M, Romero Y, Toscano-Marquez F, Pardo A, Selman M, Cisneros J. Mir-155-5p targets TP53INP1 to promote proliferative phenotype in hypersensitivity pneumonitis lung fibroblasts. Noncoding RNA Res 2024; 9:865-875. [PMID: 38586316 PMCID: PMC10997802 DOI: 10.1016/j.ncrna.2024.02.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 02/11/2024] [Accepted: 02/19/2024] [Indexed: 04/09/2024] Open
Abstract
Background Hypersensitivity pneumonitis (HP) is an inflammatory disorder affecting lung parenchyma and often evolves into fibrosis (fHP). The altered regulation of genes involved in the pathogenesis of the disease is not well comprehended, while the role of microRNAs in lung fibroblasts remains unexplored. Methods We used integrated bulk RNA-Seq and enrichment pathway bioinformatic analyses to identify differentially expressed (DE)-miRNAs and genes (DEGs) associated with HP lungs. In vitro, we evaluated the expression and potential role of miR-155-5p in the phenotype of fHP lung fibroblasts. Loss and gain assays were used to demonstrate the impact of miR-155-5p on fibroblast functions. In addition, mir-155-5p and its target TP53INP1 were analyzed after treatment with TGF-β, IL-4, and IL-17A. Results We found around 50 DEGs shared by several databases that differentiate HP from control and IPF lungs, constituting a unique HP lung transcriptional signature. Additionally, we reveal 18 DE-miRNAs that may regulate these DEGs. Among the candidates likely associated with HP pathogenesis was miR-155-5p. Our findings indicate that increased miR-155-5p in fHP fibroblasts coincides with reduced TP53INP1 expression, high proliferative capacity, and a lack of senescence markers compared to IPF fibroblasts. Induced overexpression of miR-155-5p in normal fibroblasts remarkably increases the proliferation rate and decreases TP53INP1 expression. Conversely, miR-155-5p inhibition reduces proliferation and increases senescence markers. TGF-β, IL-4, and IL-17A stimulated miR-155-5p overexpression in HP lung fibroblasts. Conclusion Our findings suggest a distinctive signature of 53 DEGs in HP, including CLDN18, EEF2, CXCL9, PLA2G2D, and ZNF683, as potential targets for future studies. Likewise, 18 miRNAs, including miR-155-5p, could be helpful to establish differences between these two pathologies. The overexpression of miR-155-5p and downregulation of TP53INP1 in fHP lung fibroblasts may be involved in his proliferative and profibrotic phenotype. These findings may help differentiate and characterize their pathogenic features and understand their role in the disease.
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Affiliation(s)
- Marco Espina-Ordoñez
- Laboratorio de Biopatología Pulmonar INER-Ciencias-UNAM, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Ciudad de México, 14080, Mexico
- Posgrado en Ciencias Biológicas, Unidad de Posgrado, Edificio D, Piso 1, Circuito de Posgrados, Ciudad Universidad, Coyoacán, C.P 04510, CDMX, Mexico
| | - Yalbi Itzel Balderas-Martínez
- Laboratorio de Biología Computacional, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Ciudad de México, 14080, Mexico
| | - Ana Lilia Torres-Machorro
- Laboratorio de Biología Celular, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Ciudad de México, 14080, Mexico
| | - Iliana Herrera
- Laboratorio de Biopatología Pulmonar INER-Ciencias-UNAM, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Ciudad de México, 14080, Mexico
| | - Mariel Maldonado
- Laboratorio de Biopatología Pulmonar INER-Ciencias-UNAM, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Ciudad de México, 14080, Mexico
| | - Yair Romero
- Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad de México, 04510, Mexico
| | - Fernanda Toscano-Marquez
- Laboratorio de Biopatología Pulmonar INER-Ciencias-UNAM, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Ciudad de México, 14080, Mexico
| | - Annie Pardo
- Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad de México, 04510, Mexico
| | - Moisés Selman
- Laboratorio de Biopatología Pulmonar INER-Ciencias-UNAM, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Ciudad de México, 14080, Mexico
| | - José Cisneros
- Departamento de Investigación en Fibrosis Pulmonar, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Ciudad de México, 14080, Mexico
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25
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Auld SC, Sheshadri A, Alexander-Brett J, Aschner Y, Barczak AK, Basil MC, Cohen KA, Dela Cruz C, McGroder C, Restrepo MI, Ridge KM, Schnapp LM, Traber K, Wunderink RG, Zhang D, Ziady A, Attia EF, Carter J, Chalmers JD, Crothers K, Feldman C, Jones BE, Kaminski N, Keane J, Lewinsohn D, Metersky M, Mizgerd JP, Morris A, Ramirez J, Samarasinghe AE, Staitieh BS, Stek C, Sun J, Evans SE. Postinfectious Pulmonary Complications: Establishing Research Priorities to Advance the Field: An Official American Thoracic Society Workshop Report. Ann Am Thorac Soc 2024; 21:1219-1237. [PMID: 39051991 DOI: 10.1513/annalsats.202406-651st] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2024] [Indexed: 07/27/2024] Open
Abstract
Continued improvements in the treatment of pulmonary infections have paradoxically resulted in a growing challenge of individuals with postinfectious pulmonary complications (PIPCs). PIPCs have been long recognized after tuberculosis, but recent experiences such as the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic have underscored the importance of PIPCs following other lower respiratory tract infections. Independent of the causative pathogen, most available studies of pulmonary infections focus on short-term outcomes rather than long-term morbidity among survivors. In this document, we establish a conceptual scope for PIPCs with discussion of globally significant pulmonary pathogens and an examination of how these pathogens can damage different components of the lung, resulting in a spectrum of PIPCs. We also review potential mechanisms for the transition from acute infection to PIPC, including the interplay between pathogen-mediated injury and aberrant host responses, which together result in PIPCs. Finally, we identify cross-cutting research priorities for the field to facilitate future studies to establish the incidence of PIPCs, define common mechanisms, identify therapeutic strategies, and ultimately reduce the burden of morbidity in survivors of pulmonary infections.
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Rolas L, Stein M, Barkaway A, Reglero-Real N, Sciacca E, Yaseen M, Wang H, Vazquez-Martinez L, Golding M, Blacksell IA, Giblin MJ, Jaworska E, Bishop CL, Voisin MB, Gaston-Massuet C, Fossati-Jimack L, Pitzalis C, Cooper D, Nightingale TD, Lopez-Otin C, Lewis MJ, Nourshargh S. Senescent endothelial cells promote pathogenic neutrophil trafficking in inflamed tissues. EMBO Rep 2024; 25:3842-3869. [PMID: 38918502 PMCID: PMC11387759 DOI: 10.1038/s44319-024-00182-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 05/28/2024] [Accepted: 06/07/2024] [Indexed: 06/27/2024] Open
Abstract
Cellular senescence is a hallmark of advanced age and a major instigator of numerous inflammatory pathologies. While endothelial cell (EC) senescence is aligned with defective vascular functionality, its impact on fundamental inflammatory responses in vivo at single-cell level remain unclear. To directly investigate the role of EC senescence on dynamics of neutrophil-venular wall interactions, we applied high resolution confocal intravital microscopy to inflamed tissues of an EC-specific progeroid mouse model, characterized by profound indicators of EC senescence. Progerin-expressing ECs supported prolonged neutrophil adhesion and crawling in a cell autonomous manner that additionally mediated neutrophil-dependent microvascular leakage. Transcriptomic and immunofluorescence analysis of inflamed tissues identified elevated levels of EC CXCL1 on progerin-expressing ECs and functional blockade of CXCL1 suppressed the dysregulated neutrophil responses elicited by senescent ECs. Similarly, cultured progerin-expressing human ECs exhibited a senescent phenotype, were pro-inflammatory and prompted increased neutrophil attachment and activation. Collectively, our findings support the concept that senescent ECs drive excessive inflammation and provide new insights into the mode, dynamics, and mechanisms of this response at single-cell level.
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Affiliation(s)
- Loïc Rolas
- Centre for Microvascular Research, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Monja Stein
- Centre for Microvascular Research, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Anna Barkaway
- Centre for Microvascular Research, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Natalia Reglero-Real
- Centre for Microvascular Research, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Elisabetta Sciacca
- Centre for Translational Bioinformatics, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Mohammed Yaseen
- Centre for Microvascular Research, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Haitao Wang
- Centre for Microvascular Research, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Laura Vazquez-Martinez
- Centre for Microvascular Research, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Matthew Golding
- Centre for Microvascular Research, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Isobel A Blacksell
- Centre for Biochemical Pharmacology, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Meredith J Giblin
- Centre for Microvascular Research, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Edyta Jaworska
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Cleo L Bishop
- Centre for Cell Biology and Cutaneous Research, Blizard Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Mathieu-Benoit Voisin
- Centre for Microvascular Research, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Carles Gaston-Massuet
- Centre for Endocrinology, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Liliane Fossati-Jimack
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Costantino Pitzalis
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Dianne Cooper
- Centre for Biochemical Pharmacology, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Thomas D Nightingale
- Centre for Microvascular Research, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Carlos Lopez-Otin
- Centre de Recherche des Cordeliers, Inserm U1138, Université Paris Cité, Sorbonne Université, Paris, France
- Facultad de Ciencias de la Vida y la Naturaleza, Universidad Nebrija, Madrid, Spain
| | - Myles J Lewis
- Centre for Translational Bioinformatics, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Sussan Nourshargh
- Centre for Microvascular Research, William Harvey Research Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, UK.
- Centre for Inflammation and Therapeutic Innovation, Queen Mary University of London, London, UK.
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Zhang H, Xu X, Shou X, Liao W, Jin C, Chen C, Zhang C, Gao W, Zhang J, Ge W, Shi L. Senolytic Therapy Enabled by Senescent Cell-Sensitive Biomimetic Melanin Nano-Senolytics. Adv Healthc Mater 2024; 13:e2401085. [PMID: 38796738 DOI: 10.1002/adhm.202401085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 05/09/2024] [Indexed: 05/28/2024]
Abstract
Cellular senescence is a significant risk factor for aging and age-related diseases (ARD). The canonical senolytics Dasatinib and Quercetin (DQ) have shown promise in clearing senescent cells (SnCs); however, the lack of selectivity poses a challenge in achieving optimal outcomes. Despite the recent occurrence of nanomaterial-based approaches targeting SnCs, limited therapeutic effects, and potential toxicity still remain a major concern. Herein, a "double locks-like" nanoplatform is developed that integrated Galactan coating and mesoporous polydopamine to encase the senolytic drug DQ. By this way, DQ is only released in SnCs that are featured with higher levels of β-galactosidase (β-gal) and low PH. Additionally, the nanoparticles are equipped with 2,2,6,6-Tetramethylpiperidine-1-oxyl (Tempo) to gain enhanced photothermal converting potential. Consequently, the synthesized nanosenolytics demonstrate remarkable specificity and efficacy in eradicating SnCs, and accordingly reverse pulmonary fibrosis in mice without affecting normal tissues. Upon exposure of near-infrared (NIR) light, the nanoparticles demonstrate to efficiently remove senescent tumor cells inducted by chemotherapy, thereby hindering the outgrowth and metastasis or breast cancer. Collectively, the present study develops an "On/Off" switchable nanoplatform in response to SnCs, and produces a more safe, efficient, and feasible way to delay aging or alleviate age-associated diseases.
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Affiliation(s)
- Hairui Zhang
- Key Laboratory of Artificial Organs and Computational Medicine, Institute of Translational Medicine, Zhejiang Shuren University, Hangzhou, Zhejiang, 310015, China
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Xiaoling Xu
- Key Laboratory of Artificial Organs and Computational Medicine, Institute of Translational Medicine, Zhejiang Shuren University, Hangzhou, Zhejiang, 310015, China
- Shulan International Medical College, Zhejiang Shuren University, Hangzhou, 310015, China
| | - Xin Shou
- Key Laboratory of Artificial Organs and Computational Medicine, Institute of Translational Medicine, Zhejiang Shuren University, Hangzhou, Zhejiang, 310015, China
| | - Wucan Liao
- Department of Immunology and Medical Microbiology, Nanjing University of Chinese Medicine, Nanjing, 210046, China
| | - Chengkang Jin
- College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Changjiang Chen
- Department of Immunology and Medical Microbiology, Nanjing University of Chinese Medicine, Nanjing, 210046, China
| | - Chen Zhang
- Key Laboratory of Artificial Organs and Computational Medicine, Institute of Translational Medicine, Zhejiang Shuren University, Hangzhou, Zhejiang, 310015, China
| | - Wenhua Gao
- Department of Immunology and Medical Microbiology, Nanjing University of Chinese Medicine, Nanjing, 210046, China
| | - Junfeng Zhang
- Department of Immunology and Medical Microbiology, Nanjing University of Chinese Medicine, Nanjing, 210046, China
| | - Weihong Ge
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Liyun Shi
- Key Laboratory of Artificial Organs and Computational Medicine, Institute of Translational Medicine, Zhejiang Shuren University, Hangzhou, Zhejiang, 310015, China
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28
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Kulkarni T, Newton CA, Gupta S, Samara K, Bernstein EJ. The Impact of Autoantibodies on Outcomes in Patients with Idiopathic Pulmonary Fibrosis: Post-Hoc Analyses of the Phase III ASCEND Trial. Pulm Ther 2024; 10:331-346. [PMID: 39073523 PMCID: PMC11339214 DOI: 10.1007/s41030-024-00267-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 06/25/2024] [Indexed: 07/30/2024] Open
Abstract
INTRODUCTION Clinical practice guidelines recommend autoimmune serological testing in patients newly diagnosed with interstitial lung disease of apparently unknown cause who may have idiopathic pulmonary fibrosis (IPF), in order to exclude connective tissue disease (CTD). Autoantibody positivity has been associated with unique patient profiles and prognosis in patients with IPF who otherwise lack a CTD diagnosis. METHODS This post-hoc analysis of patients with IPF from the Phase III ASCEND trial (NCT01366209) evaluated the association of antinuclear antibodies (ANA), rheumatoid factor (RF) and anti-cyclic citrullinated peptide (anti-CCP) status with baseline disease characteristics, disease progression [percent predicted forced vital capacity (%FVC), forced vital capacity (FVC) volume and progression-free survival (PFS)], and treatment outcomes with pirfenidone and placebo (%FVC, FVC and PFS). RESULTS Of 555 participants, 244/514 (47.5%) were ANA positive (ANA+), 83/514 (16.1%) had high ANA+ (ANA titre ≥ 1:160 or positive nucleolar- or centromere-staining patterns), 60/555 (10.8%) were RF positive (RF+) and/or anti-CCP positive (anti-CCP+) and 270/514 (52.5%) were autoantibody negative (AAb-). Baseline demographics and characteristics were generally comparable between autoantibody subgroups. Although not statistically significant, more placebo-treated participants with ANA+ or high ANA+ had a decline from baseline to Week 52 of ≥ 10% in %FVC or death (48.7% and 55.9%, respectively) or in FVC volume or death (48.7% and 47.1%, respectively) compared with the AAb- group (%FVC or death: 42.0%; FVC volume or death: 42.0%). The RF+ and/or anti-CCP+ group was similar to AAb-. No differences were observed in PFS. A treatment benefit for pirfenidone versus placebo was observed regardless of autoantibody status [PFS: ANA+ HR (95% CI): 0.56 (0.37 to 0.86), P = 0.007; AAb- HR (95% CI): 0.50 (0.32 to 0.78), P = 0.002]. CONCLUSION IPF disease course did not differ by autoantibody status in ASCEND. Pirfenidone had a treatment benefit regardless of the presence of ANA. TRIAL REGISTRATION ClinicalTrials.gov identifier, NCT01366209.
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Affiliation(s)
- Tejaswini Kulkarni
- Division of Pulmonary, Allergy and Critical Care Medicine, University of Alabama at Birmingham, 1900 University Blvd., THT 422, Birmingham, AL, 35294, USA.
| | - Chad A Newton
- University of Texas Southwestern, Medical Center, Dallas, TX, USA
| | | | | | - Elana J Bernstein
- Vagelos College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY, USA
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29
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Reininger D, Fundel-Clemens K, Mayr CH, Wollin L, Laemmle B, Quast K, Nickolaus P, Herrmann FE. PDE4B inhibition by nerandomilast: Effects on lung fibrosis and transcriptome in fibrotic rats and on biomarkers in human lung epithelial cells. Br J Pharmacol 2024. [PMID: 39183442 DOI: 10.1111/bph.17303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 06/17/2024] [Accepted: 07/02/2024] [Indexed: 08/27/2024] Open
Abstract
BACKGROUND AND PURPOSE The PDE4 family is considered a prime target for therapeutic intervention in several fibro-inflammatory diseases. We have investigated the molecular mechanisms of nerandomilast (BI 1015550), a preferential PDE4B inhibitor. EXPERIMENTAL APPROACH In addition to clinically relevant parameters of idiopathic pulmonary fibrosis (IPF; lung function measurement/high-resolution computed tomography scan/AI-Ashcroft score), whole-lung homogenates from a therapeutic male Wistar rat model of pulmonary fibrosis were analysed by next-generation sequencing (NGS). Data were matched with public domain data derived from human IPF samples to investigate how well the rat model reflected human IPF. We scored the top counter-regulated genes following treatment with nerandomilast in human single cells and validated disease markers discovered in the rat model using a human disease-relevant in vitro assay of IPF. KEY RESULTS Nerandomilast improved the decline of lung function parameters in bleomycin-treated animals. In the NGS study, most transcripts deregulated by bleomycin treatment were normalised by nerandomilast treatment. Most notably, a significant number of deregulated transcripts that were identified in human IPF disease were also found in the animal model and reversed by nerandomilast. Mapping to single-cell data revealed the strongest effects on mesenchymal, epithelial and endothelial cell populations. In a primary human epithelial cell culture system, several disease-related (bio)markers were inhibited by nerandomilast in a concentration-dependent manner. CONCLUSIONS AND IMPLICATIONS This study further supports the available knowledge about the anti-inflammatory/antifibrotic mechanisms of nerandomilast and provides novel insights into the mode of action and signalling pathways influenced by nerandomilast treatment of lung fibrosis.
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Affiliation(s)
- Dennis Reininger
- Respiratory Diseases Research, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Katrin Fundel-Clemens
- Global Computational Biology and Digital Sciences, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Christoph H Mayr
- Respiratory Diseases Research, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Lutz Wollin
- Translational Medicine and Clinical Pharmacology, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Baerbel Laemmle
- Global Computational Biology and Digital Sciences, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Karsten Quast
- Global Clinical Development & Operations, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Peter Nickolaus
- Respiratory Diseases Research, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Franziska Elena Herrmann
- Respiratory Diseases Research, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
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30
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Xu CZ, Gao QY, Gao GH, Chen ZT, Wu MX, Liao GH, Cai YW, Chen N, Wang JF, Zhang HF. FTMT-dependent mitophagy is crucial for ferroptosis resistance in cardiac fibroblast. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2024; 1871:119825. [PMID: 39168410 DOI: 10.1016/j.bbamcr.2024.119825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 07/05/2024] [Accepted: 08/10/2024] [Indexed: 08/23/2024]
Abstract
Metabolic responses to cellular stress are pivotal in cell ferroptosis, with mitophagy serving as a crucial mechanism in both metabolic processes and ferroptosis. This study aims to elucidate the effects of high glucose on cardiomyocytes (CMs) and cardiac fibroblasts (CFs) regarding ferroptosis and to uncover the underlying mechanisms involved. We examined alterations in glycolysis, mitochondrial oxidative phosphorylation (OXPHOS), and mitophagy, which are essential for metabolic adaptations and ferroptosis. High glucose exposure induced ferroptosis specifically in CMs, while CFs exhibited resistance to ferroptosis, increased glycolytic activity, and no change in OXPHOS. Moreover, high glucose treatment enhanced mitophagy and upregulated mitochondrial ferritin (FTMT). Notably, the combination of FTMT and the autophagy-related protein nuclear receptor coactivator 4 (NCOA4) increased under high glucose conditions. Silencing FTMT significantly impeded mitophagy and eliminated ferroptosis resistance in CFs cultured under high glucose conditions. The transcription factor forkhead box A1 (FOXA1) was upregulated in CFs upon high glucose exposure, playing a crucial role in the increased expression of FTMT. Within the 5'-flanking sequence of the FTMT mRNA, approximately -500 nt from the transcription initiation site, three putative FOXA1 binding sites were identified. High glucose augmented the binding affinity between FOXA1 and these sequences, thereby promoting FTMT transcription. In summary, high glucose upregulated FOXA1 expression and stimulated FTMT promoter activity in CFs, thereby promoting FTMT-dependent mitophagy and conferring ferroptosis resistance in CFs.
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Affiliation(s)
- Cheng-Zhang Xu
- Department of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Qing-Yuan Gao
- Department of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Guang-Hao Gao
- Department of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Zhi-Teng Chen
- Department of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Mao-Xiong Wu
- Department of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Guang-Hong Liao
- Department of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Yang-Wei Cai
- Department of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Nuo Chen
- Department of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Jing-Feng Wang
- Department of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China.
| | - Hai-Feng Zhang
- Department of Cardiology, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China.
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31
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Abdelmohsen K, Mazan-Mamczarz K, Munk R, Tsitsipatis D, Meng Q, Rossi M, Pal A, Shin CH, Martindale JL, Piao Y, Fan J, Yanai H, De S, Beerman I, Gorospe M. Identification of senescent cell subpopulations by CITE-seq analysis. Aging Cell 2024:e14297. [PMID: 39143693 DOI: 10.1111/acel.14297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 06/30/2024] [Accepted: 07/23/2024] [Indexed: 08/16/2024] Open
Abstract
Cellular senescence, a state of persistent growth arrest, is closely associated with aging and age-related diseases. Deciphering the heterogeneity within senescent cell populations and identifying therapeutic targets are paramount for mitigating senescence-associated pathologies. In this study, proteins on the surface of cells rendered senescent by replicative exhaustion and by exposure to ionizing radiation (IR) were identified using mass spectrometry analysis, and a subset of them was further studied using single-cell CITE-seq (Cellular Indexing of Transcriptomes and Epitopes by Sequencing) analysis. Based on the presence of proteins on the cell surface, we identified two distinct IR-induced senescent cell populations: one characterized by high levels of CD109 and CD112 (cluster 3), the other characterized by high levels of CD112, CD26, CD73, HLA-ABC, CD54, CD49A, and CD44 (cluster 0). We further found that cluster 0 represented proliferating and senescent cells in the G1 phase of the division cycle, and CITE-seq detection of cell surface proteins selectively discerned those in the senescence group. Our study highlights the heterogeneity of senescent cells and underscores the value of cell surface proteins as tools for distinguishing senescent cell programs and subclasses, paving the way for targeted therapeutic strategies in disorders exacerbated by senescence.
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Affiliation(s)
- Kotb Abdelmohsen
- Laboratory of Genetics and Genomics, National Institutes of Health (NIH), Baltimore, Maryland, USA
| | - Krystyna Mazan-Mamczarz
- Laboratory of Genetics and Genomics, National Institutes of Health (NIH), Baltimore, Maryland, USA
| | - Rachel Munk
- Laboratory of Genetics and Genomics, National Institutes of Health (NIH), Baltimore, Maryland, USA
| | - Dimitrios Tsitsipatis
- Laboratory of Genetics and Genomics, National Institutes of Health (NIH), Baltimore, Maryland, USA
| | - Qiong Meng
- Laboratory of Genetics and Genomics, National Institutes of Health (NIH), Baltimore, Maryland, USA
| | - Martina Rossi
- Laboratory of Genetics and Genomics, National Institutes of Health (NIH), Baltimore, Maryland, USA
| | - Apala Pal
- Laboratory of Genetics and Genomics, National Institutes of Health (NIH), Baltimore, Maryland, USA
| | - Chang Hoon Shin
- Laboratory of Genetics and Genomics, National Institutes of Health (NIH), Baltimore, Maryland, USA
| | - Jennifer L Martindale
- Laboratory of Genetics and Genomics, National Institutes of Health (NIH), Baltimore, Maryland, USA
| | - Yulan Piao
- Laboratory of Genetics and Genomics, National Institutes of Health (NIH), Baltimore, Maryland, USA
| | - Jinshui Fan
- Laboratory of Genetics and Genomics, National Institutes of Health (NIH), Baltimore, Maryland, USA
| | - Hagai Yanai
- Translational Gerontology Branch, National Institute on Aging (NIA) Intramural Research Program (IRP), National Institutes of Health (NIH), Baltimore, Maryland, USA
| | - Supriyo De
- Laboratory of Genetics and Genomics, National Institutes of Health (NIH), Baltimore, Maryland, USA
| | - Isabel Beerman
- Translational Gerontology Branch, National Institute on Aging (NIA) Intramural Research Program (IRP), National Institutes of Health (NIH), Baltimore, Maryland, USA
| | - Myriam Gorospe
- Laboratory of Genetics and Genomics, National Institutes of Health (NIH), Baltimore, Maryland, USA
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32
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Ogrodnik M, Carlos Acosta J, Adams PD, d'Adda di Fagagna F, Baker DJ, Bishop CL, Chandra T, Collado M, Gil J, Gorgoulis V, Gruber F, Hara E, Jansen-Dürr P, Jurk D, Khosla S, Kirkland JL, Krizhanovsky V, Minamino T, Niedernhofer LJ, Passos JF, Ring NAR, Redl H, Robbins PD, Rodier F, Scharffetter-Kochanek K, Sedivy JM, Sikora E, Witwer K, von Zglinicki T, Yun MH, Grillari J, Demaria M. Guidelines for minimal information on cellular senescence experimentation in vivo. Cell 2024; 187:4150-4175. [PMID: 39121846 DOI: 10.1016/j.cell.2024.05.059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 05/27/2024] [Accepted: 05/31/2024] [Indexed: 08/12/2024]
Abstract
Cellular senescence is a cell fate triggered in response to stress and is characterized by stable cell-cycle arrest and a hypersecretory state. It has diverse biological roles, ranging from tissue repair to chronic disease. The development of new tools to study senescence in vivo has paved the way for uncovering its physiological and pathological roles and testing senescent cells as a therapeutic target. However, the lack of specific and broadly applicable markers makes it difficult to identify and characterize senescent cells in tissues and living organisms. To address this, we provide practical guidelines called "minimum information for cellular senescence experimentation in vivo" (MICSE). It presents an overview of senescence markers in rodent tissues, transgenic models, non-mammalian systems, human tissues, and tumors and their use in the identification and specification of senescent cells. These guidelines provide a uniform, state-of-the-art, and accessible toolset to improve our understanding of cellular senescence in vivo.
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Affiliation(s)
- Mikolaj Ogrodnik
- Ludwig Boltzmann Research Group Senescence and Healing of Wounds, 1200 Vienna, Austria; Ludwig Boltzmann Institute for Traumatology, The Research Centre in Cooperation with AUVA, 1200 Vienna, Austria; Austrian Cluster for Tissue Regeneration, Vienna, Austria.
| | - Juan Carlos Acosta
- Cancer Research UK Scotland Centre, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh EH4 2XR, UK; Instituto de Biomedicina y Biotecnología de Cantabria, IBBTEC (CSIC, Universidad de Cantabria), C/ Albert Einstein 22, 39011 Santander, Spain
| | - Peter D Adams
- Cancer Genome and Epigenetics Program, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Fabrizio d'Adda di Fagagna
- IFOM ETS - The AIRC Institute of Molecular Oncology, Milan, Italy; Institute of Molecular Genetics IGM-CNR "Luigi Luca Cavalli-Sforza," Pavia, Italy
| | - Darren J Baker
- Department of Biochemistry and Molecular Biology, Department of Pediatric and Adolescent Medicine, Robert and Arlene Kogod Center on Aging, Mayo Clinic, 200 First Steet SW, Rochester, MN 55905, USA
| | - Cleo L Bishop
- Blizard Institute, Barts and The London Faculty of Medicine and Dentistry, Queen Mary University of London, 4 Newark Street, London E1 2AT, UK
| | - Tamir Chandra
- MRC Human Generics Unit, University of Edinburgh, Edinburgh, UK
| | - Manuel Collado
- Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain; Department of Immunology and Oncology (DIO), Centro Nacional de Biotecnología (CNB-CSIC), Madrid, Spain
| | - Jesus Gil
- MRC Laboratory of Medical Sciences (LMS), Du Cane Road, London W12 0NN, UK; Institute of Clinical Sciences (ICS), Faculty of Medicine, Imperial College London, Du Cane Road, London W12 0NN, UK
| | - Vassilis Gorgoulis
- Molecular Carcinogenesis Group, Department of Histology and Embryology, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece; Biomedical Research Foundation, Academy of Athens, 11527 Athens, Greece; Ninewells Hospital and Medical School, University of Dundee, Dundee DD19SY, UK; Faculty Institute for Cancer Sciences, Manchester Academic Health Sciences Centre, University of Manchester, Manchester M20 4GJ, UK; Faculty of Health and Medical Sciences, University of Surrey, Surrey GU2 7YH, UK
| | - Florian Gruber
- Department of Dermatology, Medical University of Vienna, Vienna, Austria; Christian Doppler Laboratory for Skin Multimodal Imaging of Aging and Senescence - SKINMAGINE, Vienna, Austria
| | - Eiji Hara
- Research Institute for Microbial Diseases (RIMD), Osaka University, Suita 565-0871, Japan; Immunology Frontier Research Center (IFReC), Osaka University, Suita 565-0871, Japan
| | - Pidder Jansen-Dürr
- Institute for Biomedical Aging Research, University of Innsbruck, and Center for Molecular Biosciences Innsbruck (CMBI), Innsbruck, Austria
| | - Diana Jurk
- Mayo Clinic, Department of Physiology and Biomedical Engineering, Robert and Arlene Kogod Center on Aging, Rochester, MN, USA
| | - Sundeep Khosla
- Kogod Center on Aging and Division of Endocrinology, Mayo Clinic, Rochester, MN, USA
| | - James L Kirkland
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA; Division of General Internal Medicine, Department of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Valery Krizhanovsky
- Department of Molecular Cell Biology, The Weizmann Institute of Science, 7610001 Rehovot, Israel
| | - Tohru Minamino
- Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine, Tokyo 113-8421, Japan; Japan Agency for Medical Research and Development-Core Research for Evolutionary Medical Science and Technology (AMED-CREST), Japan Agency for Medical Research and Development, Tokyo 100-0004, Japan
| | - Laura J Niedernhofer
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, 6-155 Jackson Hall, 321 Church Street, SE, Minneapolis, MN 55455, USA
| | - João F Passos
- Mayo Clinic, Department of Physiology and Biomedical Engineering, Robert and Arlene Kogod Center on Aging, Rochester, MN, USA
| | - Nadja A R Ring
- Ludwig Boltzmann Research Group Senescence and Healing of Wounds, 1200 Vienna, Austria; Ludwig Boltzmann Institute for Traumatology, The Research Centre in Cooperation with AUVA, 1200 Vienna, Austria; Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Heinz Redl
- Ludwig Boltzmann Research Group Senescence and Healing of Wounds, 1200 Vienna, Austria; Ludwig Boltzmann Institute for Traumatology, The Research Centre in Cooperation with AUVA, 1200 Vienna, Austria; Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Paul D Robbins
- Institute on the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, 6-155 Jackson Hall, 321 Church Street, SE, Minneapolis, MN 55455, USA
| | - Francis Rodier
- Centre de recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montreal, QC, Canada; Institut du cancer de Montréal, Montreal, QC, Canada; Université de Montréal, Département de radiologie, radio-oncologie et médicine nucléaire, Montreal, QC, Canada
| | - Karin Scharffetter-Kochanek
- Department f Dermatology and Allergic Diseases, Ulm University Hospital, Albert-Einstein-Allee 23, 89081 Ulm, Germany
| | - John M Sedivy
- Department of Molecular, Cellular Biology and Biochemistry, Center on the Biology of Aging, Brown University, Providence, RI, USA
| | - Ewa Sikora
- Laboratory of Molecular Bases of Aging, Nencki Institute of Experimental Biology, Polish Academy of Sciences, 02-093 Warsaw, Poland
| | - Kenneth Witwer
- The Johns Hopkins University School of Medicine, Department of Molecular and Comparative Pathobiology, Baltimore, MD, USA; The Johns Hopkins University School of Medicine, Department of Neurology, Baltimore, MD, USA
| | - Thomas von Zglinicki
- Newcastle University Biosciences Institute, Ageing Biology Laboratories, Newcastle upon Tyne, UK
| | - Maximina H Yun
- Technische Universität Dresden, CRTD/Center for Regenerative Therapies Dresden, Dresden, Germany; Max Planck Institute of Molecular Cellular Biology and Genetics, Dresden, Germany; Physics of Life Excellence Cluster, Dresden, Germany
| | - Johannes Grillari
- Ludwig Boltzmann Institute for Traumatology, The Research Centre in Cooperation with AUVA, 1200 Vienna, Austria; Austrian Cluster for Tissue Regeneration, Vienna, Austria; Institute of Molecular Biotechnology, BOKU University, Vienna, Austria.
| | - Marco Demaria
- European Research Institute for the Biology of Ageing (ERIBA), University Medical Center Groningen (UMCG), University of Groningen (RUG), Groningen, the Netherlands.
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Safaie Qamsari E, Stewart DJ. Cellular senescence in the pathogenesis of pulmonary arterial hypertension: the good, the bad and the uncertain. Front Immunol 2024; 15:1403669. [PMID: 39156894 PMCID: PMC11329925 DOI: 10.3389/fimmu.2024.1403669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Accepted: 07/15/2024] [Indexed: 08/20/2024] Open
Abstract
Senescence refers to a cellular state marked by irreversible cell cycle arrest and the secretion of pro-inflammatory and tissue-remodeling factors. The senescence associated secretory phenotype (SASP) impacts the tissue microenvironment and provides cues for the immune system to eliminate senescent cells (SCs). Cellular senescence has a dual nature; it can be beneficial during embryonic development, tissue repair, and tumor suppression, but it can also be detrimental in the context of chronic stress, persistent tissue injury, together with an impairment in SC clearance. Recently, the accumulation of SCs has been implicated in the pathogenesis of pulmonary arterial hypertension (PAH), a progressive condition affecting the pre-capillary pulmonary arterial bed. PAH is characterized by endothelial cell (EC) injury, inflammation, and proliferative arterial remodeling, which leads to right heart failure and premature mortality. While vasodilator therapies can improve symptoms, there are currently no approved treatments capable of reversing the obliterative arterial remodeling. Ongoing endothelial injury and dysfunction is central to the development of PAH, perpetuated by hemodynamic perturbation leading to pathological intimal shear stress. The precise role of senescent ECs in PAH remains unclear. Cellular senescence may facilitate endothelial repair, particularly in the early stages of disease. However, in more advanced disease the accumulation of senescent ECs may promote vascular inflammation and occlusive arterial remodeling. In this review, we will examine the evidence that supports a role of endothelial cell senescence to the pathogenesis of PAH. Furthermore, we will compare and discuss the apparent contradictory outcomes with the use of interventions targeting cellular senescence in the context of experimental models of pulmonary hypertension. Finally, we will attempt to propose a framework for the understanding of the complex interplay between EC injury, senescence, inflammation and arterial remodeling, which can guide further research in this area and the development of effective therapeutic strategies.
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Affiliation(s)
- Elmira Safaie Qamsari
- Sinclair Centre for Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
- Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Duncan J. Stewart
- Sinclair Centre for Regenerative Medicine Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
- Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
- Division of Cardiology, University of Ottawa Heart Institute, Ottawa, ON, Canada
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Nakao T, Shimada M, Yoshikawa K, Tokunaga T, Nishi M, Kashihara H, Takasu C, Wada Y, Yoshimoto T. Prognostic impact of the combination of p16 INK4a, p21 and Immunoscore in rectal cancer. Int J Clin Oncol 2024; 29:1152-1160. [PMID: 38896182 DOI: 10.1007/s10147-024-02519-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 03/18/2024] [Indexed: 06/21/2024]
Abstract
BACKGROUND The association between p16INK4a and p21, a marker of cellular senescence, and the Immunoscore, an immunological prognostic indicator, in rectal cancer patients undergoing curative surgery were investigated. METHODS A total of 82 patients who underwent curative surgery for rectal cancer were evaluated. The resected specimens were analyzed for p16INK4a, p21, CD3 and CD8 expression by immunohistochemistry. Immunoscore was calculated on the basis of CD3 and CD8 expressions. The clinicopathological characteristics and long-term outcomes were evaluated. RESULTS Among the 82 patients, 24 (29.3%) were p16INK4a-positive and 11 (13.4%) were p21-positive. The patients were classified into the following five Immunoscore groups (IS0-5). IS0, IS1 and IS2 were classified as the low Immunoscore group (45 patients, 54.9%) and IS3 and IS4 as the high Immunoscore group (37 patients, 45.1%). There was no significant difference in age, sex, body mass index, American Society of Anesthesiologists physical status, depth of invasion of the tumor, lymph node metastasis and histological classification of the tumor with p16INK4a or p21 expression or Immunoscore. p16INK4a-positive expression and low Immunoscore each showed a tendency to indicate poor prognosis of disease-free survival (DFS). Patients with the combination of p16INK4a and p21 positivity and with p16INK4a positivity and low Immunoscore showed significantly poor prognosis of DFS. Patients with p21 positive positivity and low Immunoscore tended to have worse DFS. CONCLUSIONS p16INK4a, p21 and Immunoscore may be prognostic indicators of rectal cancer. The combination of them may provide more accurate prognostic prediction than either factor alone.
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Affiliation(s)
- Toshihiro Nakao
- Department of Digestive and Transplant Surgery, Tokushima University Hospital, 3-18-15 Kuramoto-cho, Tokushima City, Tokushima, 7708503, Japan.
| | - Mitsuo Shimada
- Department of Digestive and Transplant Surgery, Tokushima University Hospital, 3-18-15 Kuramoto-cho, Tokushima City, Tokushima, 7708503, Japan
| | - Kozo Yoshikawa
- Department of Digestive and Transplant Surgery, Tokushima University Hospital, 3-18-15 Kuramoto-cho, Tokushima City, Tokushima, 7708503, Japan
| | - Takuya Tokunaga
- Department of Digestive and Transplant Surgery, Tokushima University Hospital, 3-18-15 Kuramoto-cho, Tokushima City, Tokushima, 7708503, Japan
| | - Masaaki Nishi
- Department of Digestive and Transplant Surgery, Tokushima University Hospital, 3-18-15 Kuramoto-cho, Tokushima City, Tokushima, 7708503, Japan
| | - Hideya Kashihara
- Department of Digestive and Transplant Surgery, Tokushima University Hospital, 3-18-15 Kuramoto-cho, Tokushima City, Tokushima, 7708503, Japan
| | - Chie Takasu
- Department of Digestive and Transplant Surgery, Tokushima University Hospital, 3-18-15 Kuramoto-cho, Tokushima City, Tokushima, 7708503, Japan
| | - Yuma Wada
- Department of Digestive and Transplant Surgery, Tokushima University Hospital, 3-18-15 Kuramoto-cho, Tokushima City, Tokushima, 7708503, Japan
| | - Toshiaki Yoshimoto
- Department of Digestive and Transplant Surgery, Tokushima University Hospital, 3-18-15 Kuramoto-cho, Tokushima City, Tokushima, 7708503, Japan
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Xu K, Ding L, Li W, Wang Y, Ma S, Lian H, Pan X, Wan R, Zhao W, Yang J, Rosas I, Wang L, Yu G. Aging-Associated Metabolite Methylmalonic Acid Increases Susceptibility to Pulmonary Fibrosis. THE AMERICAN JOURNAL OF PATHOLOGY 2024; 194:1478-1493. [PMID: 38849030 DOI: 10.1016/j.ajpath.2024.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 04/19/2024] [Accepted: 04/26/2024] [Indexed: 06/09/2024]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a progressive interstitial lung disease characterized by pulmonary fibroblast overactivation, resulting in the accumulation of abnormal extracellular matrix and lung parenchymal damage. Although the pathogenesis of IPF remains unclear, aging was proposed as the most prominent nongenetic risk factor. Propionate metabolism undergoes reprogramming in the aging population, leading to the accumulation of the by-product methylmalonic acid (MMA). This study aimed to explore alterations in propionate metabolism in IPF and the impact of the by-product MMA on pulmonary fibrosis. It revealed alterations in the expression of enzymes involved in propionate metabolism within IPF lung tissues, characterized by an increase in propionyl-CoA carboxylase and methylmalonyl-CoA epimerase expression, and a decrease in methylmalonyl-CoA mutase expression. Knockdown of methylmalonyl-CoA mutase, the key enzyme in propionate metabolism, induced a profibrotic phenotype and activated co-cultured fibroblasts in A549 cells. MMA exacerbated bleomycin-induced mouse lung fibrosis and induced a profibrotic phenotype in both epithelial cells and fibroblasts through activation of the canonical transforming growth factor-β/Smad pathway. Overall, these findings unveil an alteration of propionate metabolism in IPF, leading to MMA accumulation, thus exacerbating lung fibrosis through promoting profibrotic phenotypic transitions via the canonical transforming growth factor-β/Smad signaling pathway.
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Affiliation(s)
- Kai Xu
- State Key Laboratory of Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Organ Fibrosis, Pingyuan Laboratory, College of Life Science, Henan Normal University, Xinxiang, China
| | - Linke Ding
- State Key Laboratory of Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Organ Fibrosis, Pingyuan Laboratory, College of Life Science, Henan Normal University, Xinxiang, China
| | - Wenwen Li
- State Key Laboratory of Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Organ Fibrosis, Pingyuan Laboratory, College of Life Science, Henan Normal University, Xinxiang, China
| | - Yaxuan Wang
- State Key Laboratory of Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Organ Fibrosis, Pingyuan Laboratory, College of Life Science, Henan Normal University, Xinxiang, China
| | - Shuaichen Ma
- State Key Laboratory of Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Organ Fibrosis, Pingyuan Laboratory, College of Life Science, Henan Normal University, Xinxiang, China
| | - Hui Lian
- State Key Laboratory of Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Organ Fibrosis, Pingyuan Laboratory, College of Life Science, Henan Normal University, Xinxiang, China
| | - Xiaoyue Pan
- State Key Laboratory of Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Organ Fibrosis, Pingyuan Laboratory, College of Life Science, Henan Normal University, Xinxiang, China
| | - Ruyan Wan
- State Key Laboratory of Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Organ Fibrosis, Pingyuan Laboratory, College of Life Science, Henan Normal University, Xinxiang, China
| | - Weiming Zhao
- State Key Laboratory of Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Organ Fibrosis, Pingyuan Laboratory, College of Life Science, Henan Normal University, Xinxiang, China
| | - Juntang Yang
- State Key Laboratory of Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Organ Fibrosis, Pingyuan Laboratory, College of Life Science, Henan Normal University, Xinxiang, China
| | - Ivan Rosas
- Division of Pulmonary, Critical Care and Sleep Medicine, Baylor College of Medicine, Houston, Texas
| | - Lan Wang
- State Key Laboratory of Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Organ Fibrosis, Pingyuan Laboratory, College of Life Science, Henan Normal University, Xinxiang, China.
| | - Guoying Yu
- State Key Laboratory of Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Organ Fibrosis, Pingyuan Laboratory, College of Life Science, Henan Normal University, Xinxiang, China.
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Takaya K, Kishi K. Combined dasatinib and quercetin treatment contributes to skin rejuvenation through selective elimination of senescent cells in vitro and in vivo. Biogerontology 2024; 25:691-704. [PMID: 38619669 DOI: 10.1007/s10522-024-10103-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Accepted: 03/04/2024] [Indexed: 04/16/2024]
Abstract
The skin's protective functions are compromised over time by both endogenous and exogenous aging. Senescence is well-documented in skin phenotypes, such as wrinkling and sagging, a consequence of the senescence-associated secretory phenotype (SASP) that involves the accumulation of senescent fibroblasts, chronic inflammation, and collagen remodeling. Although therapeutic approaches for eliminating senescent cells from the skin are available, their efficacy remains unclear. Accordingly, we aimed to examine the effects of dasatinib in combination with quercetin (D + Q) on senescent human skin fibroblasts and aging human skin. Senescence was induced in human dermal fibroblasts (HDFs) using approaches such as long-term passaging, ionizing radiation, and doxorubicin treatment. The generated senescent cells were treated with D + Q or vehicle. Additionally, a mouse-human chimera model was generated by subcutaneously transplanting whole-skin grafts of aged individuals onto nude mice. Mouse models were administered D + Q or vehicle by oral gavage for 30 days. Subsequently, skin samples were harvested and stained for senescence-associated beta-galactosidase. Senescence-associated markers were assessed by western blotting, reverse transcription-quantitative PCR and histological analyses. Herein, D + Q selectively eliminated senescent HDFs in all cellular models of induced senescence. Additionally, D + Q-treated aged human skin grafts exhibited increased collagen density and suppression of the SASP compared with control grafts. No adverse events were observed during the study period. Collectively, D + Q could ameliorate skin aging through selective elimination of senescent dermal fibroblasts and suppression of the SASP. Our findings suggest that D + Q could be developed as an effective therapeutic approach for combating skin aging.
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Affiliation(s)
- Kento Takaya
- Department of Plastic and Reconstructive Surgery, Keio University School of Medicine, Tokyo, Japan.
| | - Kazuo Kishi
- Department of Plastic and Reconstructive Surgery, Keio University School of Medicine, Tokyo, Japan
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Wei Y, Gao S, Li C, Huang X, Xie B, Geng J, Dai H, Wang C. Aldehyde Dehydrogenase 2 Deficiency Aggravates Lung Fibrosis through Mitochondrial Dysfunction and Aging in Fibroblasts. THE AMERICAN JOURNAL OF PATHOLOGY 2024; 194:1458-1477. [PMID: 38777148 DOI: 10.1016/j.ajpath.2024.04.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 03/07/2024] [Accepted: 04/09/2024] [Indexed: 05/25/2024]
Abstract
Idiopathic pulmonary fibrosis, a fatal interstitial lung disease, is characterized by fibroblast activation and aberrant extracellular matrix accumulation. Effective therapeutic development is limited because of incomplete understanding of the mechanisms by which fibroblasts become aberrantly activated. Here, we show aldehyde dehydrogenase 2 (ALDH2) in fibroblasts as a potential therapeutic target for pulmonary fibrosis. A decrease in ALDH2 expression was observed in patients with idiopathic pulmonary fibrosis and bleomycin-treated mice. ALDH2 deficiency spontaneously induces collagen accumulation in the lungs of aged mice. Furthermore, young ALDH2 knockout mice exhibited exacerbated bleomycin-induced pulmonary fibrosis and increased mortality compared with that in control mice. Mechanistic studies revealed that transforming growth factor (TGF)-β1 induction and ALDH2 depletion constituted a positive feedback loop that exacerbates fibroblast activation. TGF-β1 down-regulated ALDH2 through a TGF-β receptor 1/Smad3-dependent mechanism. The subsequent deficiency in ALDH2 resulted in fibroblast dysfunction that manifested as impaired mitochondrial autophagy and senescence, leading to fibroblast activation and extracellular matrix production. ALDH2 overexpression markedly suppressed fibroblast activation, and this effect was abrogated by PTEN-induced putative kinase 1 (PINK1) knockdown, indicating that the profibrotic effects of ALDH2 are PINK1- dependent. Furthermore, ALDH2 activated by N-(1,3-benzodioxol-5-ylmethyl)-2,6-dichlorobenzamide (Alda-1) reversed the established pulmonary fibrosis in both young and aged mice. In conclusion, ALDH2 expression inhibited the pathogenesis of pulmonary fibrosis. Strategies to up-regulate or activate ALDH2 expression could be potential therapies for pulmonary fibrosis.
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Affiliation(s)
- Yanqiu Wei
- Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China; National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Shuwei Gao
- National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China; Department of Pulmonary and Critical Care Medicine, China-Japan Friendship Hospital, Capital Medical University, Beijing, China
| | - Chen Li
- National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China; Department of Pulmonary and Critical Care Medicine, China-Japan Friendship Hospital, Capital Medical University, Beijing, China
| | - Xiaoxi Huang
- Department of Medical Research Center, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Bingbing Xie
- National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Jing Geng
- National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Huaping Dai
- National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China.
| | - Chen Wang
- Peking University China-Japan Friendship School of Clinical Medicine, Beijing, China; National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China.
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Qi W, Bai J, Wang R, Zeng X, Zhang L. SATB1, senescence and senescence-related diseases. J Cell Physiol 2024; 239:e31327. [PMID: 38801120 DOI: 10.1002/jcp.31327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 05/06/2024] [Accepted: 05/15/2024] [Indexed: 05/29/2024]
Abstract
Aging leads to an accumulation of cellular mutations and damage, increasing the risk of senescence, apoptosis, and malignant transformation. Cellular senescence, which is pivotal in aging, acts as both a guard against cellular transformation and as a check against cancer progression. It is marked by stable cell cycle arrest, widespread macromolecular changes, a pro-inflammatory profile, and altered gene expression. However, it remains to be determined whether these differing subsets of senescent cells result from unique intrinsic programs or are influenced by their environmental contexts. Multiple transcription regulators and chromatin modifiers contribute to these alterations. Special AT-rich sequence-binding protein 1 (SATB1) stands out as a crucial regulator in this process, orchestrating gene expression by structuring chromatin into loop domains and anchoring DNA elements. This review provides an overview of cellular senescence and delves into the role of SATB1 in senescence-related diseases. It highlights SATB1's potential in developing antiaging and anticancer strategies, potentially contributing to improved quality of life and addressing aging-related diseases.
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Affiliation(s)
- Wenjing Qi
- Department of Bioscience, Changchun Normal University, Changchun, Jilin, China
- Key Laboratory of Molecular Epigenetics of Ministry of Education, College of Life Sciences, Northeast Normal University, Changchun, Jilin, China
| | - Jinping Bai
- Department of Bioscience, Changchun Normal University, Changchun, Jilin, China
| | - Ruoxi Wang
- Center for Cell Structure and Function, College of Life Sciences, Key Laboratory of Animal Resistance Biology of Shandong Province, Shandong Normal University, Jinan, Shandong, China
| | - Xianlu Zeng
- Key Laboratory of Molecular Epigenetics of Ministry of Education, College of Life Sciences, Northeast Normal University, Changchun, Jilin, China
| | - Lihui Zhang
- Department of Bioscience, Changchun Normal University, Changchun, Jilin, China
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Liu Y, Lomeli I, Kron SJ. Therapy-Induced Cellular Senescence: Potentiating Tumor Elimination or Driving Cancer Resistance and Recurrence? Cells 2024; 13:1281. [PMID: 39120312 PMCID: PMC11312217 DOI: 10.3390/cells13151281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2024] [Revised: 07/17/2024] [Accepted: 07/25/2024] [Indexed: 08/10/2024] Open
Abstract
Cellular senescence has been increasingly recognized as a hallmark of cancer, reflecting its association with aging and inflammation, its role as a response to deregulated proliferation and oncogenic stress, and its induction by cancer therapies. While therapy-induced senescence (TIS) has been linked to resistance, recurrence, metastasis, and normal tissue toxicity, TIS also has the potential to enhance therapy response and stimulate anti-tumor immunity. In this review, we examine the Jekyll and Hyde nature of senescent cells (SnCs), focusing on how their persistence while expressing the senescence-associated secretory phenotype (SASP) modulates the tumor microenvironment through autocrine and paracrine mechanisms. Through the SASP, SnCs can mediate both resistance and response to cancer therapies. To fulfill the unmet potential of cancer immunotherapy, we consider how SnCs may influence tumor inflammation and serve as an antigen source to potentiate anti-tumor immune response. This new perspective suggests treatment approaches based on TIS to enhance immune checkpoint blockade. Finally, we describe strategies for mitigating the detrimental effects of senescence, such as modulating the SASP or targeting SnC persistence, which may enhance the overall benefits of cancer treatment.
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Affiliation(s)
| | | | - Stephen J. Kron
- Ludwig Center for Metastasis Research and Department of Molecular Genetics and Cell Biology, The University of Chicago, Chicago, IL 60637, USA
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40
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Hense JD, Isola JVV, Garcia DN, Magalhães LS, Masternak MM, Stout MB, Schneider A. The role of cellular senescence in ovarian aging. NPJ AGING 2024; 10:35. [PMID: 39033161 PMCID: PMC11271274 DOI: 10.1038/s41514-024-00157-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Accepted: 05/29/2024] [Indexed: 07/23/2024]
Abstract
This review explores the relationship between ovarian aging and senescent cell accumulation, as well as the efficacy of senolytics to improve reproductive longevity. Reproductive longevity is determined by the age-associated decline in ovarian reserve, resulting in reduced fertility and eventually menopause. Cellular senescence is a state of permanent cell cycle arrest and resistance to apoptosis. Senescent cells accumulate in several tissues with advancing age, thereby promoting chronic inflammation and age-related diseases. Ovaries also appear to accumulate senescent cells with age, which might contribute to aging of the reproductive system and whole organism through SASP production. Importantly, senolytic drugs can eliminate senescent cells and may present a potential intervention to mitigate ovarian aging. Herein, we review the current literature related to the efficacy of senolytic drugs for extending the reproductive window in mice.
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Affiliation(s)
- Jéssica D Hense
- Aging & Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA
- Nutrition College, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - José V V Isola
- Aging & Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA
| | - Driele N Garcia
- Nutrition College, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | | | - Michal M Masternak
- Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL, USA
| | - Michael B Stout
- Aging & Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA
- Oklahoma City Veterans Affairs Medical Center, Oklahoma City, OK, USA
| | - Augusto Schneider
- Nutrition College, Universidade Federal de Pelotas, Pelotas, RS, Brazil.
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Shao M, Qiu Y, Shen M, Liu W, Feng D, Luo Z, Zhou Y. Procyanidin C1 inhibits bleomycin-induced pulmonary fibrosis in mice by selective clearance of senescent myofibroblasts. FASEB J 2024; 38:e23749. [PMID: 38953707 DOI: 10.1096/fj.202302547rr] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 05/05/2024] [Accepted: 06/06/2024] [Indexed: 07/04/2024]
Abstract
Pulmonary fibrosis is a formidable challenge in chronic and age-related lung diseases. Myofibroblasts secrete large amounts of extracellular matrix and induce pro-repair responses during normal wound healing. Successful tissue repair results in termination of myofibroblast activity via apoptosis; however, some myofibroblasts exhibit a senescent phenotype and escape apoptosis, causing over-repair that is characterized by pathological fibrotic scarring. Therefore, the removal of senescent myofibroblasts using senolytics is an important method for the treatment of pulmonary fibrosis. Procyanidin C1 (PCC1) has recently been discovered as a senolytic compound with very low toxicity and few side effects. This study aimed to determine whether PCC1 could improve lung fibrosis by promoting apoptosis in senescent myofibroblasts and to investigate the mechanisms involved. The results showed that PCC1 attenuates bleomycin (BLM)-induced pulmonary fibrosis in mice. In addition, we found that PCC1 inhibited extracellular matrix deposition and promoted the apoptosis of senescent myofibroblasts by increasing PUMA expression and activating the BAX signaling pathway. Our findings represent a new method of pulmonary fibrosis management and emphasize the potential of PCC1 as a senotherapeutic agent for the treatment of pulmonary fibrosis, providing hope for patients with pulmonary fibrosis worldwide. Our results advance our understanding of age-related diseases and highlight the importance of addressing cellular senescence in treatment.
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Affiliation(s)
- Min Shao
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, China
| | - Yujia Qiu
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, China
| | - Mengxia Shen
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, China
| | - Wei Liu
- Department of Community Nursing, Xiangya Nursing School, Central South University, Changsha, China
| | - Dandan Feng
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, China
| | - Ziqiang Luo
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, China
- Hunan Key Laboratory of Organ Fibrosis, Changsha, China
| | - Yan Zhou
- Department of Physiology, Xiangya School of Medicine, Central South University, Changsha, China
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Kawamura K, Matsumura Y, Kawamura T, Araki H, Hamada N, Kuramoto K, Yagi H, Onoyama I, Asanoma K, Kato K. Endometrial senescence is mediated by interleukin 17 receptor B signaling. Cell Commun Signal 2024; 22:363. [PMID: 39010112 PMCID: PMC11247761 DOI: 10.1186/s12964-024-01740-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Accepted: 07/06/2024] [Indexed: 07/17/2024] Open
Abstract
BACKGROUND We previously identified Il17RB, a member of the IL17 superfamily, as a candidate marker gene for endometrial aging. While IL17RB has been linked to inflammation and malignancies in several organ systems, its function in the endometrium has not been investigated and is thus poorly understood. In the present study, we performed a functional analysis of this receptor with the aim of determining the effects of its age-associated overexpression on the uterine environment. METHODS We analyzed IL17RB-related signaling pathways and downstream gene expression in an immortalized human endometrial glandular epithelial cell line ("hEM") forced to express the receptor via lentiviral transduction ("IL17RB-hEM"). We also prepared endometrial organoids from human endometrial tissue sourced from hysterectomy patients ("patient-derived EOs") and exposed them to cytokines that are upregulated by IL17RB expression to investigate changes in organoid-forming capacity and senescence markers. We analyzed RNA-seq data (GEO accession number GSE132886) from our previous study to identify the signaling pathways associated with altered IL17RB expression. We also analyzed the effects of the JNK pathway on organoid-forming capacity. RESULTS Stimulation with interleukin 17B enhanced the NF-κB pathway in IL17RB-hEM, resulting in significantly elevated expression of the genes encoding the senescence associated secretory phenotype (SASP) factors IL6, IL8, and IL1β. Of these cytokines, IL1β inhibited endometrial organoid growth. Bioinformatics analysis showed that the JNK signaling pathway was associated with age-related variation in IL17RB expression. When IL17RB-positive cells were cultured in the presence of IL17B, their organoid-forming capacity was slightly but non-significantly lower than in unexposed IL17RB-positive cells, but when IL17B was paired with a JNK inhibitor (SP600125), it was restored to control levels. Further, IL1β exposure significantly reduced organoid-forming capacity and increased p21 expression in endometrial organoids relative to non-exposure (control), but when IL1β was paired with SP600125, both indicators were restored to levels comparable to the control condition. CONCLUSIONS We have revealed an association between IL17RB, whose expression increases in the endometrial glandular epithelium with advancing age, and cellular senescence. Using human endometrial organoids as in vitro model, we found that IL1β inhibits cell proliferation and leads to endometrial senescence via the JNK pathway.
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Affiliation(s)
- Keiko Kawamura
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Yumiko Matsumura
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Teruhiko Kawamura
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Hiromitsu Araki
- Department of Business and Technology Management, Faculty of Economics, Kyushu University, Fukuoka, Japan
| | - Norio Hamada
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Kazutaka Kuramoto
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Hiroshi Yagi
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Ichiro Onoyama
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Kazuo Asanoma
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Kiyoko Kato
- Department of Obstetrics and Gynecology, Graduate School of Medical Sciences, Kyushu University, Maidashi 3-1-1, Higashi-ku, Fukuoka, 812-8582, Japan.
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Phillips PCA, de Sousa Loreto Aresta Branco M, Cliff CL, Ward JK, Squires PE, Hills CE. Targeting senescence to prevent diabetic kidney disease: Exploring molecular mechanisms and potential therapeutic targets for disease management. Diabet Med 2024:e15408. [PMID: 38995865 DOI: 10.1111/dme.15408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 06/27/2024] [Accepted: 06/28/2024] [Indexed: 07/14/2024]
Abstract
BACKGROUND/AIMS As a microvascular complication, diabetic kidney disease is the leading cause of chronic kidney disease and end-stage renal disease worldwide. While the underlying pathophysiology driving transition of diabetic kidney disease to renal failure is yet to be fully understood, recent studies suggest that cellular senescence is central in disease development and progression. Consequently, understanding the molecular mechanisms which initiate and drive senescence in response to the diabetic milieu is crucial in developing targeted therapies that halt progression of renal disease. METHODS To understand the mechanistic pathways underpinning cellular senescence in the context of diabetic kidney disease, we reviewed the literature using PubMed for English language articles that contained key words related to senescence, inflammation, fibrosis, senescence-associated secretory phenotype (SASP), autophagy, and diabetes. RESULTS Aberrant accumulation of metabolically active senescent cells is a notable event in the progression of diabetic kidney disease. Through autocrine- and paracrine-mediated mechanisms, resident senescent cells potentiate inflammation and fibrosis through increased expression and secretion of pro-inflammatory cytokines, chemoattractants, recruitment of immune cells, myofibroblast activation, and extracellular matrix remodelling. Compounds that eliminate senescent cells and/or target the SASP - including senolytic and senomorphics drugs - demonstrate promising results in reducing the senescent cell burden and associated pro-inflammatory effect. CONCLUSIONS Here we evidence the link between senescence and diabetic kidney disease and highlight underlying molecular mechanisms and potential therapeutic targets that could be exploited to delay disease progression and improve outcomes for individuals with the disease. Trials are now required to translate their therapeutic potential to a clinical setting.
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Affiliation(s)
| | | | | | - Joanna Kate Ward
- Joseph Banks Laboratories, College of Health and Science, Lincoln, UK
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Hernandez-Gonzalez F, Pietrocola F, Cameli P, Bargagli E, Prieto-González S, Cruz T, Mendoza N, Rojas M, Serrano M, Agustí A, Faner R, Gómez-Puerta JA, Sellares J. Exploring the Interplay between Cellular Senescence, Immunity, and Fibrosing Interstitial Lung Diseases: Challenges and Opportunities. Int J Mol Sci 2024; 25:7554. [PMID: 39062798 PMCID: PMC11276754 DOI: 10.3390/ijms25147554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2024] [Revised: 07/06/2024] [Accepted: 07/08/2024] [Indexed: 07/28/2024] Open
Abstract
Fibrosing interstitial lung diseases (ILDs) are characterized by the gradual and irreversible accumulation of scar tissue in the lung parenchyma. The role of the immune response in the pathogenesis of pulmonary fibrosis remains unclear. In recent years, substantial advancements have been made in our comprehension of the pathobiology driving fibrosing ILDs, particularly concerning various age-related cellular disturbances and immune mechanisms believed to contribute to an inadequate response to stress and increased susceptibility to lung fibrosis. Emerging studies emphasize cellular senescence as a key mechanism implicated in the pathobiology of age-related diseases, including pulmonary fibrosis. Cellular senescence, marked by antagonistic pleiotropy, and the complex interplay with immunity, are pivotal in comprehending many aspects of lung fibrosis. Here, we review progress in novel concepts in cellular senescence, its association with the dysregulation of the immune response, and the evidence underlining its detrimental role in fibrosing ILDs.
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Affiliation(s)
- Fernanda Hernandez-Gonzalez
- Department of Respiratory Medicine, Respiratory Institute, Hospital Clinic Barcelona, 08036 Barcelona, Spain; (A.A.); (J.S.)
- Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (S.P.-G.); (T.C.); (N.M.); (R.F.)
- Faculty of Medicine and Health Sciences, University of Barcelona, 08036 Barcelona, Spain
| | - Federico Pietrocola
- Department of Cell and Molecular Biology, Karolinska Institutet, 17165 Solna, Sweden;
| | - Paolo Cameli
- Respiratory Diseases Unit, Department of Medical and Surgical Sciences & Neuro-Sciences, University of Siena, 53100 Siena, Italy; (P.C.); (E.B.)
| | - Elena Bargagli
- Respiratory Diseases Unit, Department of Medical and Surgical Sciences & Neuro-Sciences, University of Siena, 53100 Siena, Italy; (P.C.); (E.B.)
| | - Sergio Prieto-González
- Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (S.P.-G.); (T.C.); (N.M.); (R.F.)
- Faculty of Medicine and Health Sciences, University of Barcelona, 08036 Barcelona, Spain
- Vasculitis Research Unit, Department of Autoimmune Diseases, Hospital Clinic Barcelona, 08036 Barcelona, Spain
| | - Tamara Cruz
- Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (S.P.-G.); (T.C.); (N.M.); (R.F.)
- Centro Investigación Biomédica en Red Enfermedades Respiratorias (CIBERES), 08036 Barcelona, Spain
| | - Nuria Mendoza
- Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (S.P.-G.); (T.C.); (N.M.); (R.F.)
- Faculty of Medicine and Health Sciences, University of Barcelona, 08036 Barcelona, Spain
- Centro Investigación Biomédica en Red Enfermedades Respiratorias (CIBERES), 08036 Barcelona, Spain
| | - Mauricio Rojas
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA;
| | - Manuel Serrano
- Cambridge Institute of Science, Altos Labs, Cambridge CB21 6GP, UK;
| | - Alvar Agustí
- Department of Respiratory Medicine, Respiratory Institute, Hospital Clinic Barcelona, 08036 Barcelona, Spain; (A.A.); (J.S.)
- Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (S.P.-G.); (T.C.); (N.M.); (R.F.)
- Faculty of Medicine and Health Sciences, University of Barcelona, 08036 Barcelona, Spain
- Centro Investigación Biomédica en Red Enfermedades Respiratorias (CIBERES), 08036 Barcelona, Spain
| | - Rosa Faner
- Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (S.P.-G.); (T.C.); (N.M.); (R.F.)
- Centro Investigación Biomédica en Red Enfermedades Respiratorias (CIBERES), 08036 Barcelona, Spain
- Biomedicine Department, University of Barcelona, 08036 Barcelona, Spain
| | - Jose A. Gómez-Puerta
- Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (S.P.-G.); (T.C.); (N.M.); (R.F.)
- Rheumatology Department, Hospital Clinic Barcelona, 08036 Barcelona, Spain
| | - Jacobo Sellares
- Department of Respiratory Medicine, Respiratory Institute, Hospital Clinic Barcelona, 08036 Barcelona, Spain; (A.A.); (J.S.)
- Instituto de Investigaciones Biomédicas August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (S.P.-G.); (T.C.); (N.M.); (R.F.)
- Faculty of Medicine and Health Sciences, University of Barcelona, 08036 Barcelona, Spain
- Centro Investigación Biomédica en Red Enfermedades Respiratorias (CIBERES), 08036 Barcelona, Spain
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Chandrasegaran S, Sluka JP, Shanley D. Modelling the spatiotemporal dynamics of senescent cells in wound healing, chronic wounds, and fibrosis. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.07.04.602041. [PMID: 39026713 PMCID: PMC11257496 DOI: 10.1101/2024.07.04.602041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/20/2024]
Abstract
Cellular senescence is known to drive age-related pathology through the senescence-associated secretory phenotype (SASP). However, it also plays important physiological roles such as cancer suppression, embryogenesis and wound healing. Wound healing is a tightly regulated process which when disrupted results in conditions such as fibrosis and chronic wounds. Senescent cells appear during the proliferation phase of the healing process where the SASP is involved in maintaining tissue homeostasis after damage. Interestingly, SASP composition and functionality was recently found to be temporally regulated, with distinct SASP profiles involved: a fibrogenic, followed by a fibrolytic SASP, which could have important implications for the role of senescent cells in wound healing. Given the number of factors at play a full understanding requires addressing the multiple levels of complexity, pertaining to the various cell behaviours, individually followed by investigating the interactions and influence each of these elements have on each other and the system as a whole. Here, a systems biology approach was adopted whereby a multi-scale model of wound healing that includes the dynamics of senescent cell behaviour and corresponding SASP composition within the wound microenvironment was developed. The model was built using the software CompuCell3D, which is based on a Cellular Potts modelling framework. We used an existing body of data on healthy wound healing to calibrate the model and validation was done on known disease conditions. The model provides understanding of the spatiotemporal dynamics of different senescent cell phenotypes and the roles they play within the wound healing process. The model also shows how an overall disruption of tissue-level coordination due to age-related changes results in different disease states including fibrosis and chronic wounds. Further specific data to increase model confidence could be used to explore senolytic treatments in wound disorders.
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Affiliation(s)
- Sharmilla Chandrasegaran
- Campus for Ageing and Vitality, Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - James P Sluka
- Department of Intelligent Systems Engineering and Biocomplexity Institute, Indiana University Bloomington, Bloomington, IN, USA
| | - Daryl Shanley
- Campus for Ageing and Vitality, Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK
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Wang L, Lin F, Liu Y, Li W, Ding Q, Duan X, Yang L, Bai Z, Zhang M, Guo Y. Wogonin protects against bleomycin-induced mouse pulmonary fibrosis via the inhibition of CDK9/p53-mediated cell senescence. Front Pharmacol 2024; 15:1407891. [PMID: 39040475 PMCID: PMC11260675 DOI: 10.3389/fphar.2024.1407891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 06/06/2024] [Indexed: 07/24/2024] Open
Abstract
Pulmonary fibrosis (PF) is a fatal interstitial lung disease associated with declining pulmonary function but currently with few effective drugs. Cellular senescence has been implicated in the pathogenesis of PF and could be a potential therapeutic target. Emerging evidence suggests wogonin, the bioactive compound isolated from Scutellaria baicalensis, owns the anti-senescence properties, however, the possible impact of wogonin on PF and the potential mechanisms remain unclear. In this study, a well-established mouse model of PF was utilized which mice were administrated with bleomycin (BLM). Strikingly, wogonin treatment significantly reduced fibrosis deposition in the lung induced by BLM. In vitro, wogonin also suppressed fibrotic markers of cultured epithelial cells stimulated by BLM or hydrogen peroxide. Mechanistic investigation revealed that wogonin attenuated the expressions of DNA damage marker γ-H2AX and senescence-related markers including phosphorylated p53, p21, retinoblastoma protein (pRB), and senescence-associated β-galactosidase (SA-β-gal). Moreover, wogonin, as a direct and selective inhibitor of cyclin-dependent kinase 9 (CDK9), exhibited anti-fibrotic capacity by inhibiting CDK9 and p53/p21 signalling. In conclusion, wogonin protects against BLM-induced PF in mice through the inhibition of cell senescence via the regulation of CDK9/p53 and DNA damage pathway. This is the first study to demonstrate the beneficial effect of wogonin on PF, and its implication as a novel candidate for PF therapy.
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Affiliation(s)
- Libo Wang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, China
| | - Fei Lin
- Department of Cardiology, Life Science Research Center, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
| | - Youli Liu
- Department of Cardiology, Life Science Research Center, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
| | - Wei Li
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, China
| | - Qingjie Ding
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, China
| | - Xulei Duan
- Department of Cardiology, Life Science Research Center, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
| | - Lin Yang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, China
| | - Zhengyu Bai
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, China
| | - Min Zhang
- King’s College London British Heart Foundation Centre of Research Excellence, School of Cardiovascular and Metabolic Medicine and Sciences, London, United Kingdom
| | - Yuming Guo
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, China
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Lin X, Zhang K, Li C, Liu K, Sun Y, Wu W, Liu K, Yi X, Wang X, Qu Z, Liu X, Xing Y, Walker MJ, Gong Q, Liu R, Xu X, Lin CH, Sun G. Combination of Dasatinib and Quercetin alleviates heat stress-induced cognitive deficits in aged and young adult male mice. Eur J Pharmacol 2024; 974:176631. [PMID: 38692425 DOI: 10.1016/j.ejphar.2024.176631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 03/29/2024] [Accepted: 04/29/2024] [Indexed: 05/03/2024]
Abstract
OBJECTIVE Dasatinib and quercetin (D & Q) have demonstrated promise in improving aged-related pathophysiological dysfunctions in humans and mice. Herein we aimed to ascertain whether the heat stress (HS)-induced cognitive deficits in aged or even young adult male mice can be reduced by D & Q therapy. METHODS Before the onset of HS, animals were pre-treated with D & Q or placebo for 3 consecutive days every 2 weeks over a 10-week period. Cognitive function, intestinal barrier permeability, and blood-brain barrier permeability were assessed. RESULTS Compared to the non-HS young adult male mice, the HS young adult male mice or the aged male mice had significantly lesser extents of the exacerbated stress reactions, intestinal barrier disruption, endotoxemia, systemic inflammation and oxidative stress, blood-brain barrier disruption, hippocampal inflammation and oxidative stress, and cognitive deficits evaluated at 7 days post-HS. All the cognitive deficits and other syndromes that occurred in young adult HS mice or in aged HS mice were significantly attenuated by D & Q therapy (P < 0.01). Compared to the young adult HS mice, the aged HS mice had significantly (P < 0.01) higher severity of cognitive deficits and other related syndromes. CONCLUSIONS First, our data show that aged male mice are more vulnerable to HS-induced cognitive deficits than those of the young adult male mice. Second, we demonstrate that a combination of D and Q therapy attenuates cognitive deficits in heat stressed aged or young adult male mice via broad normalization of the brain-gut-endotoxin axis function.
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Affiliation(s)
- Xiaojing Lin
- Key Laboratory of Military Medical Psychology and Stress Biology of PLA, Jinan, Shandong Province, PR China
| | - Kangli Zhang
- Key Laboratory of Military Medical Psychology and Stress Biology of PLA, Jinan, Shandong Province, PR China
| | - Chenyi Li
- Key Laboratory of Military Medical Psychology and Stress Biology of PLA, Jinan, Shandong Province, PR China
| | - Kewei Liu
- Department of General Medicine, The 960th Hospital of Joint Logistics Support Force of PLA, Shandong Province, PR China
| | - Yanping Sun
- Department of Applied Psychology, College of Sports and Health, Shandong Sport University, Shandong, PR China
| | - Wei Wu
- Spinal Cord and Brain Injury Research Group, Stark Neurosciences Research Institute, Department of Neurological Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Kai Liu
- Department of Medical Imaging, The 960th Hospital of Joint Logistics Support Force of PLA, Shandong Province, PR China
| | - Xeuqing Yi
- Department of Medical Imaging, The 960th Hospital of Joint Logistics Support Force of PLA, Shandong Province, PR China
| | - Xiaowen Wang
- Frankston ED, Peninsula Health, Frankston Hospital, 2 Hastings Rd, Frankston, Victoria, 3199, Australia
| | - Zixuan Qu
- Key Laboratory of Military Medical Psychology and Stress Biology of PLA, Jinan, Shandong Province, PR China
| | - Xiaohong Liu
- Department of Pathology, The 960th Hospital of Joint Logistics Support Force of PLA, Shandong Province, PR China
| | - Yao Xing
- Wuhan United Imaging Life Science Instrument Co., Ltd., 99 Gaokeyuan Rd., Wuhan East High-Tech Development Zone, Wuhan, Hubei, PR China
| | - M J Walker
- Spinal Cord and Brain Injury Research Group, Stark Neurosciences Research Institute, Department of Neurological Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Qinglei Gong
- Department of Medical Imaging, The 960th Hospital of Joint Logistics Support Force of PLA, Shandong Province, PR China
| | - Ruoxu Liu
- State Key Laboratory of Proteomics and Department of Neurobiology, Beijing Institute of Basic Medical Sciences, Beijing, PR China
| | - Xiaoming Xu
- Spinal Cord and Brain Injury Research Group, Stark Neurosciences Research Institute, Department of Neurological Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Cheng-Hsien Lin
- Department of Medicine, MacKay Medical College, New Taipei City, Taiwan.
| | - Gang Sun
- Key Laboratory of Military Medical Psychology and Stress Biology of PLA, Jinan, Shandong Province, PR China; Department of Medical Imaging, The 960th Hospital of Joint Logistics Support Force of PLA, Shandong Province, PR China.
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Gupta N, Paryani M, Patel S, Bariya A, Srivastava A, Pathak Y, Butani S. Therapeutic Strategies for Idiopathic Pulmonary Fibrosis - Thriving Present and Promising Tomorrow. J Clin Pharmacol 2024; 64:779-798. [PMID: 38346921 DOI: 10.1002/jcph.2408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 01/11/2024] [Indexed: 06/27/2024]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a continuous, progressive, and lethal age-related respiratory disease. It is characterized by condensed and rigid lung tissue, which leads to a decline in the normal functioning of the lungs. The pathophysiology of IPF has still not been completely elucidated, so current strategies are lagging behind with respect to improving the condition of patients with IPF and increasing their survival rate. The desire for a better understanding of the pathobiology of IPF and its early detection has led to the identification of various biomarkers associated with IPF. The use of drugs such as pirfenidone and nintedanib as a safe and effective treatment alternative have marked a new chapter in the treatment of IPF. However, nonpharmacological therapies, involving long-term oxygen therapy, transplantation of the lungs, pulmonary rehabilitation, ventilation, and palliative care for cough and dyspnea, are still considered to be beneficial as supplementary methods for IPF therapy. A major risk factor for IPF is aging, with associated hallmarks such as telomere attrition, senescence, epigenetic drift, stem cell exhaustion, loss of proteostasis, and mitochondrial dysfunction. These are promising earmarks for the development of potential therapy for the disease. In this review, we have discussed current and emerging novel therapeutic strategies for IPF, especially for targets associated with age-related mechanisms.
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Affiliation(s)
- Nikita Gupta
- Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat, India
| | - Mitali Paryani
- Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat, India
| | - Snehal Patel
- Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat, India
| | - Aditi Bariya
- Arihant School of Pharmacy Education and Research, Adalaj, Gandhinagar, Gujarat, India
| | - Anshu Srivastava
- Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat, India
| | - Yashwant Pathak
- USF Health Taneja College of Pharmacy, University of South Florida, Tampa, FL, USA
- Faculty of Pharmacy, Airlangga University, Surabaya, Indonesia
| | - Shital Butani
- Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat, India
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Zheng D, Guo J, Liang Z, Jin Y, Ding Y, Liu J, Qi C, Shi K, Xie L, Zhu M, Wang L, Hu Z, Yang Z, Liu Q, Li X, Ning W, Gao J. Supramolecular Nanofibers Ameliorate Bleomycin-Induced Pulmonary Fibrosis by Restoring Autophagy. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2401327. [PMID: 38725147 PMCID: PMC11267363 DOI: 10.1002/advs.202401327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 04/02/2024] [Indexed: 07/25/2024]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a progressive and ultimately fatal interstitial lung disease, with limited therapeutic options available. Impaired autophagy resulting from aberrant TRB3/p62 protein-protein interactions (PPIs) contributes to the progression of IPF. Restoration of autophagy by modulating the TRB3/p62 PPIs has rarely been reported for the treatment of IPF. Herein, peptide nanofibers are developed that specifically bind to TRB3 protein and explored their potential as a therapeutic approach for IPF. By conjugating with the self-assembling fragment (Ac-GFFY), a TRB3-binding peptide motif A2 allows for the formation of nanofibers with a stable α-helix secondary structure. The resulting peptide (Ac-GFFY-A2) nanofibers exhibit specific high-affinity binding to TRB3 protein in saline buffer and better capacity of cellular uptake to A2 peptide. Furthermore, the TRB3-targeting peptide nanofibers efficiently interfere with the aberrant TRB3/p62 PPIs in activated fibroblasts and fibrotic lung tissue of mice, thereby restoring autophagy dysfunction. The TRB3-targeting peptide nanofibers inhibit myofibroblast differentiation, collagen production, and fibroblast migration in vitro is demonstrated, as well as bleomycin-induced pulmonary fibrosis in vivo. This study provides a supramolecular method to modulate PPIs and highlights a promising strategy for treating IPF diseases by restoring autophagy.
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Affiliation(s)
- Debin Zheng
- Beijing Key Laboratory of Disaster MedicineMedical Innovation Research Division of the Chinese PLA General HospitalNo. 28 Fu Xing RoadBeijing100853P. R. China
- State Key Laboratory of Medicinal Chemical BiologyKey Laboratory of Bioactive Materials (Ministry of Education)College of Life SciencesNankai International Advanced Research Institute (SHENZHEN FUTIAN)Nankai UniversityTianjin300071P. R. China
| | - Jiasen Guo
- State Key Laboratory of Medicinal Chemical BiologyKey Laboratory of Bioactive Materials (Ministry of Education)College of Life SciencesNankai International Advanced Research Institute (SHENZHEN FUTIAN)Nankai UniversityTianjin300071P. R. China
| | - Ziyi Liang
- State Key Laboratory of Medicinal Chemical BiologyKey Laboratory of Bioactive Materials (Ministry of Education)College of Life SciencesNankai International Advanced Research Institute (SHENZHEN FUTIAN)Nankai UniversityTianjin300071P. R. China
| | - Yueyue Jin
- State Key Laboratory of Medicinal Chemical BiologyKey Laboratory of Bioactive Materials (Ministry of Education)College of Life SciencesNankai International Advanced Research Institute (SHENZHEN FUTIAN)Nankai UniversityTianjin300071P. R. China
| | - Yinghao Ding
- State Key Laboratory of Medicinal Chemical BiologyKey Laboratory of Bioactive Materials (Ministry of Education)College of Life SciencesNankai International Advanced Research Institute (SHENZHEN FUTIAN)Nankai UniversityTianjin300071P. R. China
| | - Jingfei Liu
- State Key Laboratory of Medicinal Chemical BiologyKey Laboratory of Bioactive Materials (Ministry of Education)College of Life SciencesNankai International Advanced Research Institute (SHENZHEN FUTIAN)Nankai UniversityTianjin300071P. R. China
| | - Chao Qi
- State Key Laboratory of Medicinal Chemical BiologyKey Laboratory of Bioactive Materials (Ministry of Education)College of Life SciencesNankai International Advanced Research Institute (SHENZHEN FUTIAN)Nankai UniversityTianjin300071P. R. China
| | - Kaiwen Shi
- Beijing Key Laboratory of Disaster MedicineMedical Innovation Research Division of the Chinese PLA General HospitalNo. 28 Fu Xing RoadBeijing100853P. R. China
| | - Limin Xie
- State Key Laboratory of Medicinal Chemical BiologyKey Laboratory of Bioactive Materials (Ministry of Education)College of Life SciencesNankai International Advanced Research Institute (SHENZHEN FUTIAN)Nankai UniversityTianjin300071P. R. China
| | - Meiqi Zhu
- Beijing Key Laboratory of Disaster MedicineMedical Innovation Research Division of the Chinese PLA General HospitalNo. 28 Fu Xing RoadBeijing100853P. R. China
| | - Ling Wang
- State Key Laboratory of Medicinal Chemical BiologyCollege of PharmacyNankai UniversityTianjin300071P. R. China
| | - Zhiwen Hu
- State Key Laboratory of Medicinal Chemical BiologyKey Laboratory of Bioactive Materials (Ministry of Education)College of Life SciencesNankai International Advanced Research Institute (SHENZHEN FUTIAN)Nankai UniversityTianjin300071P. R. China
| | - Zhimou Yang
- State Key Laboratory of Medicinal Chemical BiologyKey Laboratory of Bioactive Materials (Ministry of Education)College of Life SciencesNankai International Advanced Research Institute (SHENZHEN FUTIAN)Nankai UniversityTianjin300071P. R. China
| | - Qian Liu
- Department of UrologyTianjin First Central HospitalTianjin300192P. R. China
| | - Xiaoxue Li
- Beijing Key Laboratory of Disaster MedicineMedical Innovation Research Division of the Chinese PLA General HospitalNo. 28 Fu Xing RoadBeijing100853P. R. China
| | - Wen Ning
- State Key Laboratory of Medicinal Chemical BiologyKey Laboratory of Bioactive Materials (Ministry of Education)College of Life SciencesNankai International Advanced Research Institute (SHENZHEN FUTIAN)Nankai UniversityTianjin300071P. R. China
| | - Jie Gao
- State Key Laboratory of Medicinal Chemical BiologyKey Laboratory of Bioactive Materials (Ministry of Education)College of Life SciencesNankai International Advanced Research Institute (SHENZHEN FUTIAN)Nankai UniversityTianjin300071P. R. China
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Ariyachet C, Nokkeaw A, Boonkaew B, Tangkijvanich P. ZNF469 is a profibrotic regulator of extracellular matrix in hepatic stellate cells. J Cell Biochem 2024; 125:e30578. [PMID: 38704698 DOI: 10.1002/jcb.30578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 04/02/2024] [Accepted: 04/25/2024] [Indexed: 05/07/2024]
Abstract
Activation of quiescent hepatic stellate cells (HSCs) into proliferative myofibroblasts drives extracellular cellular matrix (ECM) accumulation and liver fibrosis; nevertheless, the transcriptional network that promotes such a process is not completely understood. ZNF469 is a putative C2H2 zinc finger protein that may bind to specific genome sequences. It is found to be upregulated upon HSC activation; however, the molecular function of ZNF469 is completely unknown. Here, we show that knockdown of ZNF469 in primary human HSCs impaired proliferation, migration, and collagen production. Conversely, overexpression of ZNF469 in HSCs yielded the opposite results. Transforming growth factor-β 1 promoted expression of ZNF469 in a Smad3-dependent manner, where the binding of Smad3 was confirmed at the ZNF469 promoter. RNA sequencing data of ZNF469-knockdown HSCs revealed the ECM-receptor interaction, which provides structural and signaling support to cells, was the most affected pathway, and significant downregulation of various collagen and proteoglycan genes was observed. To investigate the function of ZNF469, we cloned a full-length open reading frame of ZNF469 with an epitope tag and identified a nuclear localization of the protein. Luciferase reporter and chromatin immunoprecipitation assays revealed the presence of ZNF469 at the promoter of ECM genes, supporting its function as a transcription factor. Analysis of human fibrotic and cirrhotic tissues showed increased expression of ZNF469 and a positive correlation between expression levels of ZNF469 and ECM genes. Moreover, this observation was similar in other fibrotic organs, including the heart, lung, and skin, suggesting that myofibroblasts from various origins generally require ZNF469 to promote ECM production. Together, this study is the first to reveal the role of ZNF469 as a profibrotic factor in HSCs and suggests ZNF469 as a novel target for antifibrotic therapy.
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Affiliation(s)
- Chaiyaboot Ariyachet
- Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence in Hepatitis and Liver Cancer, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Archittapon Nokkeaw
- Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence in Hepatitis and Liver Cancer, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Department of Biochemistry, Medical Biochemistry Program, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Bootsakorn Boonkaew
- Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence in Hepatitis and Liver Cancer, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Department of Biochemistry, Medical Biochemistry Program, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Pisit Tangkijvanich
- Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence in Hepatitis and Liver Cancer, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
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