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Wu Q, Liu Z, Li B, Liu YE, Wang P. Immunoregulation in cancer-associated cachexia. J Adv Res 2024; 58:45-62. [PMID: 37150253 PMCID: PMC10982873 DOI: 10.1016/j.jare.2023.04.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 03/31/2023] [Accepted: 04/26/2023] [Indexed: 05/09/2023] Open
Abstract
BACKGROUND Cancer-associated cachexia is a multi-organ disorder associated with progressive weight loss due to a variable combination of anorexia, systemic inflammation and excessive energy wasting. Considering the importance of immunoregulation in cachexia, it still lacks a complete understanding of the immunological mechanisms in cachectic progression. AIM OF REVIEW Our aim here is to describe the complex immunoregulatory system in cachexia. We summarize the effects and translational potential of the immune system on the development of cancer-associated cachexia and we attempt to conclude with thoughts on precise and integrated therapeutic strategies under the complex immunological context of cachexia. KEY SCIENTIFIC CONCEPTS OF REVIEW This review is focused on three main key concepts. First, we highlight the inflammatory factors and additional mediators that have been identified to modulate this syndrome. Second, we decipher the potential role of immune checkpoints in tissue wasting. Third, we discuss the multilayered insights in cachexia through the immunometabolic axis, immune-gut axis and immune-nerve axis.
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Affiliation(s)
- Qi Wu
- Tongji University Cancer Center, Shanghai Tenth People's Hospital, School of Medicine, Tongji University.
| | - Zhou Liu
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, PR China
| | - Bei Li
- Department of Pathology, Renmin Hospital of Wuhan University, Wuhan, Hubei, PR China
| | - Yu-E Liu
- Tongji University Cancer Center, Shanghai Tenth People's Hospital, School of Medicine, Tongji University
| | - Ping Wang
- Tongji University Cancer Center, Shanghai Tenth People's Hospital, School of Medicine, Tongji University.
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2
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Al-Danakh A, Safi M, Jian Y, Yang L, Zhu X, Chen Q, Yang K, Wang S, Zhang J, Yang D. Aging-related biomarker discovery in the era of immune checkpoint inhibitors for cancer patients. Front Immunol 2024; 15:1348189. [PMID: 38590525 PMCID: PMC11000233 DOI: 10.3389/fimmu.2024.1348189] [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: 12/02/2023] [Accepted: 01/29/2024] [Indexed: 04/10/2024] Open
Abstract
Older patients with cancer, particularly those over 75 years of age, often experience poorer clinical outcomes compared to younger patients. This can be attributed to age-related comorbidities, weakened immune function, and reduced tolerance to treatment-related adverse effects. In the immune checkpoint inhibitors (ICI) era, age has emerged as an influential factor impacting the discovery of predictive biomarkers for ICI treatment. These age-linked changes in the immune system can influence the composition and functionality of tumor-infiltrating immune cells (TIICs) that play a crucial role in the cancer response. Older patients may have lower levels of TIICs infiltration due to age-related immune senescence particularly T cell function, which can limit the effectivity of cancer immunotherapies. Furthermore, age-related immune dysregulation increases the exhaustion of immune cells, characterized by the dysregulation of ICI-related biomarkers and a dampened response to ICI. Our review aims to provide a comprehensive understanding of the mechanisms that contribute to the impact of age on ICI-related biomarkers and ICI response. Understanding these mechanisms will facilitate the development of treatment approaches tailored to elderly individuals with cancer.
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Affiliation(s)
- Abdullah Al-Danakh
- Department of Urology, First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Mohammed Safi
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Yuli Jian
- Department of Biochemistry and Molecular Biology, Institute of Glycobiology, Dalian Medical University, Dalian, China
| | - Linlin Yang
- Department of Urology, First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Xinqing Zhu
- Department of Urology, First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Qiwei Chen
- Department of Urology, First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Kangkang Yang
- Institute for Genome Engineered Animal Models of Human Diseases, National Center of Genetically Engineered Animal Models for International Research, Dalian Medical University, Dalian, Liaoning, China
| | - Shujing Wang
- Department of Biochemistry and Molecular Biology, Institute of Glycobiology, Dalian Medical University, Dalian, China
| | - Jianjun Zhang
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Deyong Yang
- Department of Urology, First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
- Department of Surgery, Healinghands Clinic, Dalian, Liaoning, China
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3
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Li Z, Yin Z, Luan Z, Zhang C, Wang Y, Zhang K, Chen F, Yang Z, Tian Y. Comprehensive analyses for the coagulation and macrophage-related genes to reveal their joint roles in the prognosis and immunotherapy of lung adenocarcinoma patients. Front Immunol 2023; 14:1273422. [PMID: 38022584 PMCID: PMC10644034 DOI: 10.3389/fimmu.2023.1273422] [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: 08/06/2023] [Accepted: 10/16/2023] [Indexed: 12/01/2023] Open
Abstract
Purpose This study aims to explore novel biomarkers related to the coagulation process and tumor-associated macrophage (TAM) infiltration in lung adenocarcinoma (LUAD). Methods The macrophage M2-related genes were obtained by Weighted Gene Co-expression Network Analysis (WGCNA) in bulk RNA-seq data, while the TAM marker genes were identified by analyzing the scRNA-seq data, and the coagulation-associated genes were obtained from MSigDB and KEGG databases. Survival analysis was performed for the intersectional genes. A risk score model was subsequently constructed based on the survival-related genes for prognosis prediction and validated in external datasets. Results In total, 33 coagulation and macrophage-related (COMAR) genes were obtained, 19 of which were selected for the risk score model construction. Finally, 10 survival-associated genes (APOE, ARRB2, C1QB, F13A1, FCGR2A, FYN, ITGB2, MMP9, OLR1, and VSIG4) were involved in the COMAR risk score model. According to the risk score, patients were equally divided into low- and high-risk groups, and the prognosis of patients in the high-risk group was significantly worse than that in the low-risk group. The ROC curve indicated that the risk score model had high sensitivity and specificity, which was validated in multiple external datasets. Moreover, the model also had high efficacy in predicting the clinical outcomes of LUAD patients who received anti-PD-1/PD-L1 immunotherapy. Conclusion The COMAR risk score model constructed in this study has excellent predictive value for the prognosis and immunotherapeutic clinical outcomes of patients with LUAD, which provides potential biomarkers for the treatment and prognostic prediction.
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Affiliation(s)
- Zhuoqi Li
- Department of Otolaryngology-Head and Neck Surgery, Shandong Provincial ENT Hospital, Shandong University, Jinan, China
- Radiotherapy Department, Shandong Second Provincial General Hospital, Shandong University, Jinan, China
| | - Zongxiu Yin
- Department of Pulmonary and Critical Care Medicine, Jinan Central Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Zupeng Luan
- Department of Radiation Oncology, Jinan Third People’s Hospital, Jinan, China
| | - Chi Zhang
- Department of Cardiology, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Yuanyuan Wang
- Department of Oncology, The Second Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Kai Zhang
- Generalsurgery Department, Wen-shang County People’s Hospital, Wenshang, China
| | - Feng Chen
- Department of Thoracic Surgery, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - Zhensong Yang
- Department of Gastrointestinal Surgery, Yantai Yuhuangding Hospital, Qingdao University, Yantai, China
| | - Yuan Tian
- Department of Otolaryngology-Head and Neck Surgery, Shandong Provincial ENT Hospital, Shandong University, Jinan, China
- Radiotherapy Department, Shandong Second Provincial General Hospital, Shandong University, Jinan, China
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Zhong H, Huan X, Zhao R, Su M, Yan C, Song J, Xi J, Zhao C, Luo F, Luo S. Peripheral immune landscape for hypercytokinemia in myasthenic crisis utilizing single-cell transcriptomics. J Transl Med 2023; 21:564. [PMID: 37620910 PMCID: PMC10464341 DOI: 10.1186/s12967-023-04421-y] [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: 02/16/2023] [Accepted: 08/07/2023] [Indexed: 08/26/2023] Open
Abstract
BACKGROUND Myasthenia gravis (MG) is the most prevalent autoimmune disorder affecting the neuromuscular junction. A rapid deterioration in respiratory muscle can lead to a myasthenic crisis (MC), which represents a life-threatening condition with high mortality in MG. Multiple CD4+ T subsets and hypercytokinemia have been identified in the peripheral pro-inflammatory milieu during the crisis. However, the pathogenesis is complicated due to the many types of cells involved, leaving the underlying mechanism largely unexplored. METHODS We conducted single-cell transcriptomic and immune repertoire sequencing on 33,577 peripheral blood mononuclear cells (PBMCs) from two acetylcholine receptor antibody-positive (AChR +) MG patients during MC and again three months post-MC. We followed the Scanpy workflow for quality control, dimension reduction, and clustering of the single-cell data. Subsequently, we annotated high-resolution cell types utilizing transfer-learning models derived from publicly available single-cell immune datasets. RNA velocity calculations from unspliced and spliced mRNAs were applied to infer cellular state progression. We analyzed cell communication and MG-relevant cytokines and chemokines to identify potential inflammation initiators. RESULTS We identified a unique subset of monocytes, termed monocytes 3 (FCGR3B+ monocytes), which exhibited significant differential expression of pro-inflammatory signaling pathways during and after the crisis. In line with the activated innate immune state indicated by MC, a high neutrophil-lymphocyte ratio (NLR) was confirmed in an additional 22 AChR + MC patients in subsequent hemogram analysis and was associated with MG-relevant clinical scores. Furthermore, oligoclonal expansions were identified in age-associated B cells exhibiting high autoimmune activity, and in CD4+ and CD8+ T cells demonstrating persistent T exhaustion. CONCLUSIONS In summary, our integrated analysis of single-cell transcriptomics and TCR/BCR sequencing has underscored the role of innate immune activation which is associated with hypercytokinemia in MC. The identification of a specific monocyte cluster that dominates the peripheral immune profile may provide some hints into the etiology and pathology of MC. However, future functional studies are required to explore causality.
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Affiliation(s)
- Huahua Zhong
- Huashan Rare Disease Center and Department of Neurology, Huashan Hospital, Shanghai Medical College, National Center for Neurological Disorders, Fudan University, Shanghai, 200040, China
| | - Xiao Huan
- Huashan Rare Disease Center and Department of Neurology, Huashan Hospital, Shanghai Medical College, National Center for Neurological Disorders, Fudan University, Shanghai, 200040, China
| | - Rui Zhao
- Huashan Rare Disease Center and Department of Neurology, Huashan Hospital, Shanghai Medical College, National Center for Neurological Disorders, Fudan University, Shanghai, 200040, China
| | - Manqiqige Su
- Huashan Rare Disease Center and Department of Neurology, Huashan Hospital, Shanghai Medical College, National Center for Neurological Disorders, Fudan University, Shanghai, 200040, China
| | - Chong Yan
- Huashan Rare Disease Center and Department of Neurology, Huashan Hospital, Shanghai Medical College, National Center for Neurological Disorders, Fudan University, Shanghai, 200040, China
| | - Jie Song
- Huashan Rare Disease Center and Department of Neurology, Huashan Hospital, Shanghai Medical College, National Center for Neurological Disorders, Fudan University, Shanghai, 200040, China
| | - Jianying Xi
- Huashan Rare Disease Center and Department of Neurology, Huashan Hospital, Shanghai Medical College, National Center for Neurological Disorders, Fudan University, Shanghai, 200040, China
| | - Chongbo Zhao
- Huashan Rare Disease Center and Department of Neurology, Huashan Hospital, Shanghai Medical College, National Center for Neurological Disorders, Fudan University, Shanghai, 200040, China
| | - Feifei Luo
- Department of Digestive Diseases, Huashan Hospital, Fudan University, Shanghai, 200040, China.
| | - Sushan Luo
- Huashan Rare Disease Center and Department of Neurology, Huashan Hospital, Shanghai Medical College, National Center for Neurological Disorders, Fudan University, Shanghai, 200040, China.
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Gao H, Wang K, Suarez JA, Jin Z, Rocha KCE, Zhang D, Farrell A, Truong T, Tekin Y, Tan B, Jung HS, Kempf J, Mahata SK, Dillmann WH, Suarez J, Ying W. Gut lumen-leaked microbial DNA causes myocardial inflammation and impairs cardiac contractility in ageing mouse heart. Front Immunol 2023; 14:1216344. [PMID: 37520546 PMCID: PMC10373503 DOI: 10.3389/fimmu.2023.1216344] [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: 05/03/2023] [Accepted: 06/27/2023] [Indexed: 08/01/2023] Open
Abstract
Emerging evidence indicates the critical roles of microbiota in mediating host cardiac functions in ageing, however, the mechanisms underlying the communications between microbiota and cardiac cells during the ageing process have not been fully elucidated. Bacterial DNA was enriched in the cardiomyocytes of both ageing humans and mice. Antibiotic treatment remarkably reduced bacterial DNA abundance in ageing mice. Gut microbial DNA containing extracellular vesicles (mEVs) were readily leaked into the bloodstream and infiltrated into cardiomyocytes in ageing mice, causing cardiac microbial DNA enrichment. Vsig4+ macrophages efficiently block the spread of gut mEVs whereas Vsig4+ cell population was greatly decreased in ageing mice. Gut mEV treatment resulted in cardiac inflammation and a reduction in cardiac contractility in young Vsig4-/- mice. Microbial DNA depletion attenuated the pathogenic effects of gut mEVs. cGAS/STING signaling is critical for the effects of microbial DNA. Restoring Vsig4+ macrophage population in ageing WT mice reduced cardiac microbial DNA abundance and inflammation and improved heart contractility.
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Affiliation(s)
- Hong Gao
- Division of Endocrinology and Metabolism, Department of Medicine, University of California San Diego, San Diego, CA, United States
| | - Ke Wang
- Division of Endocrinology and Metabolism, Department of Medicine, University of California San Diego, San Diego, CA, United States
| | - Jorge A. Suarez
- Division of Endocrinology and Metabolism, Department of Medicine, University of California San Diego, San Diego, CA, United States
| | - Zhongmou Jin
- Division of Biological Sciences, University of California San Diego, San Diego, CA, United States
| | - Karina Cunha e Rocha
- Division of Endocrinology and Metabolism, Department of Medicine, University of California San Diego, San Diego, CA, United States
| | - Dinghong Zhang
- Division of Endocrinology and Metabolism, Department of Medicine, University of California San Diego, San Diego, CA, United States
| | - Andrea Farrell
- Division of Biological Sciences, University of California San Diego, San Diego, CA, United States
| | - Tyler Truong
- Division of Biological Sciences, University of California San Diego, San Diego, CA, United States
| | - Yasemin Tekin
- Division of Biological Sciences, University of California San Diego, San Diego, CA, United States
| | - Breanna Tan
- Division of Biological Sciences, University of California San Diego, San Diego, CA, United States
| | - Hyun Suh Jung
- Division of Biological Sciences, University of California San Diego, San Diego, CA, United States
| | - Julia Kempf
- Division of Biological Sciences, University of California San Diego, San Diego, CA, United States
| | - Sushil K. Mahata
- the Veterans Affairs San Diego Healthcare System, San Diego, CA, United States
- Division of Nephrology and Hypertension, Department of Medicine, University of California San Diego, San Diego, CA, United States
| | - Wolfgang H. Dillmann
- Division of Endocrinology and Metabolism, Department of Medicine, University of California San Diego, San Diego, CA, United States
| | - Jorge Suarez
- Division of Endocrinology and Metabolism, Department of Medicine, University of California San Diego, San Diego, CA, United States
| | - Wei Ying
- Division of Endocrinology and Metabolism, Department of Medicine, University of California San Diego, San Diego, CA, United States
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Tyshkovskiy A, Ma S, Shindyapina AV, Tikhonov S, Lee SG, Bozaykut P, Castro JP, Seluanov A, Schork NJ, Gorbunova V, Dmitriev SE, Miller RA, Gladyshev VN. Distinct longevity mechanisms across and within species and their association with aging. Cell 2023; 186:2929-2949.e20. [PMID: 37269831 PMCID: PMC11192172 DOI: 10.1016/j.cell.2023.05.002] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 12/29/2022] [Accepted: 05/02/2023] [Indexed: 06/05/2023]
Abstract
Lifespan varies within and across species, but the general principles of its control remain unclear. Here, we conducted multi-tissue RNA-seq analyses across 41 mammalian species, identifying longevity signatures and examining their relationship with transcriptomic biomarkers of aging and established lifespan-extending interventions. An integrative analysis uncovered shared longevity mechanisms within and across species, including downregulated Igf1 and upregulated mitochondrial translation genes, and unique features, such as distinct regulation of the innate immune response and cellular respiration. Signatures of long-lived species were positively correlated with age-related changes and enriched for evolutionarily ancient essential genes, involved in proteolysis and PI3K-Akt signaling. Conversely, lifespan-extending interventions counteracted aging patterns and affected younger, mutable genes enriched for energy metabolism. The identified biomarkers revealed longevity interventions, including KU0063794, which extended mouse lifespan and healthspan. Overall, this study uncovers universal and distinct strategies of lifespan regulation within and across species and provides tools for discovering longevity interventions.
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Affiliation(s)
- Alexander Tyshkovskiy
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Belozersky Institute of Physico-Chemical Biology, Moscow State University, Moscow 119234, Russia
| | - Siming Ma
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Anastasia V Shindyapina
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Stanislav Tikhonov
- Belozersky Institute of Physico-Chemical Biology, Moscow State University, Moscow 119234, Russia
| | - Sang-Goo Lee
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Perinur Bozaykut
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Department of Molecular Biology and Genetics, Faculty of Engineering and Natural Sciences, Acibadem Mehmet Ali Aydinlar University, Istanbul 34752, Turkey
| | - José P Castro
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; i3S, Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal; Aging and Aneuploidy Laboratory, IBMC, Instituto de Biologia Molecular e Celular, Universidade do Porto, 4200-135 Porto, Portugal
| | - Andrei Seluanov
- Departments of Biology and Medicine, University of Rochester, Rochester, NY, USA
| | - Nicholas J Schork
- Quantitative Medicine and Systems Biology Division, Translational Genomics Research Institute, Phoenix, AZ, USA
| | - Vera Gorbunova
- Departments of Biology and Medicine, University of Rochester, Rochester, NY, USA
| | - Sergey E Dmitriev
- Belozersky Institute of Physico-Chemical Biology, Moscow State University, Moscow 119234, Russia
| | - Richard A Miller
- Department of Pathology and Geriatrics Center, University of Michigan, Ann Arbor, MI 48109, USA
| | - Vadim N Gladyshev
- Division of Genetics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Broad Institute, Cambridge, MA, USA.
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7
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Liu B, Cheng L, Gao H, Zhang J, Dong Y, Gao W, Yuan S, Gong T, Huang W. The biology of VSIG4: Implications for the treatment of immune-mediated inflammatory diseases and cancer. Cancer Lett 2023; 553:215996. [PMID: 36343787 DOI: 10.1016/j.canlet.2022.215996] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 10/30/2022] [Accepted: 11/01/2022] [Indexed: 11/06/2022]
Abstract
V-set and immunoglobulin domain containing 4 (VSIG4), a type I transmembrane receptor exclusively expressed in a subset of tissue-resident macrophages, plays a pivotal role in clearing C3-opsonized pathogens and their byproducts from the circulation. VSIG4 maintains immune homeostasis by suppressing the activation of complement pathways or T cells and inducing regulatory T-cell differentiation, thereby inhibiting the development of immune-mediated inflammatory diseases but enhancing cancer progression. Consequently, VSIG4 exhibits a potential therapeutic effect for immune-mediated inflammatory diseases, but also is regarded as a novel target of immune checkpoint inhibition in cancer therapy. Recently, soluble VSIG4, the extracellular domain of VSIG4, shed from the surface of macrophages, has been found to be a biomarker to define macrophage activation-related diseases. This review mainly summarizes recent new findings of VSIG4 in macrophage phagocytosis and immune homeostasis, and discusses its potential diagnostic and therapeutic usage in infection, inflammation, and cancer.
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Affiliation(s)
- Bei Liu
- Department of Hematology, The Fifth Medical Center of PLA General Hospital, Beijing, 100071, China; PLA 307 Clinical College of Anhui Medical University, Beijing, 100071, China
| | - Li Cheng
- Department of Hematology, The Fifth Medical Center of PLA General Hospital, Beijing, 100071, China
| | - Honghao Gao
- Department of Hematology, The Fifth Medical Center of PLA General Hospital, Beijing, 100071, China
| | - Jiale Zhang
- Department of Thoracic Surgery, The Sixth Medical Center of PLA General Hospital, Fuchenglu 6#, Haidian District, Beijing, 100048, China
| | - Yanxin Dong
- Department of Thoracic Surgery, The Sixth Medical Center of PLA General Hospital, Fuchenglu 6#, Haidian District, Beijing, 100048, China
| | - Wenda Gao
- Antagen Institute for Biomedical Research, Boston, MA, 02021, USA
| | - Shunzong Yuan
- Department of Hematology, The Fifth Medical Center of PLA General Hospital, Beijing, 100071, China; PLA 307 Clinical College of Anhui Medical University, Beijing, 100071, China.
| | - Taiqian Gong
- Department of Thoracic Surgery, The Sixth Medical Center of PLA General Hospital, Fuchenglu 6#, Haidian District, Beijing, 100048, China.
| | - Wenrong Huang
- Department of Hematology, The Fifth Medical Center of PLA General Hospital, Beijing, 100071, China.
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8
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Li Y, Wang Q, Li J, Li A, Wang Q, Zhang Q, Chen Y. Therapeutic modulation of V Set and Ig domain-containing 4 (VSIG4) signaling in immune and inflammatory diseases. Cytotherapy 2023; 25:561-572. [PMID: 36642683 DOI: 10.1016/j.jcyt.2022.12.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 12/14/2022] [Accepted: 12/14/2022] [Indexed: 01/15/2023]
Abstract
Inflammation is the result of acute and chronic stresses, caused by emotional or physical trauma, or nutritional or environmental pollutants, and brings serious harm to human life and health. As an important cellular component of the innate immune barrier, the macrophage plays a key role in maintaining tissue homeostasis and promoting tissue repair by controlling infection and resolving inflammation. Several studies suggest that V Set and Ig domain-containing 4 is specifically expressed in tissue macrophages and is associated with a variety of inflammatory diseases. In this paper, we mainly summarize the recent research on V Set and Ig domain-containing 4 structures, functions, function and roles in acute and chronic inflammatory diseases, and provide a novel therapeutic avenue for the treatment of inflammatory diseases, including nervous system, urinary, respiratory and metabolic diseases.
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Affiliation(s)
- You Li
- Chronic Disease Research Center, Medical College, Dalian University, Dalian, Liaoning, China; Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, Liaoning, China
| | - Qi Wang
- Chronic Disease Research Center, Medical College, Dalian University, Dalian, Liaoning, China; Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, Liaoning, China
| | - Jiaxin Li
- Chronic Disease Research Center, Medical College, Dalian University, Dalian, Liaoning, China; Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, Liaoning, China
| | - Aohan Li
- Chronic Disease Research Center, Medical College, Dalian University, Dalian, Liaoning, China; Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, Liaoning, China
| | - Qianqian Wang
- Chronic Disease Research Center, Medical College, Dalian University, Dalian, Liaoning, China; Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, Liaoning, China
| | - Qinggao Zhang
- Chronic Disease Research Center, Medical College, Dalian University, Dalian, Liaoning, China; Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, Liaoning, China.
| | - Yingqing Chen
- Chronic Disease Research Center, Medical College, Dalian University, Dalian, Liaoning, China; Engineering Technology Research Center for the Utilization of Functional Components of Organic Natural Products, Dalian University, Dalian, Liaoning, China.
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9
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C1QC, VSIG4, and CFD as Potential Peripheral Blood Biomarkers in Atrial Fibrillation-Related Cardioembolic Stroke. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2023; 2023:5199810. [PMID: 36644582 PMCID: PMC9837713 DOI: 10.1155/2023/5199810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 11/28/2022] [Accepted: 12/09/2022] [Indexed: 01/07/2023]
Abstract
Atrial fibrillation (AF) is a major risk factor for ischemic stroke. We aimed to identify novel potential biomarkers with diagnostic value in patients with atrial fibrillation-related cardioembolic stroke (AF-CE).Publicly available gene expression profiles related to AF, cardioembolic stroke (CE), and large artery atherosclerosis (LAA) were downloaded from the Gene Expression Omnibus (GEO). Differentially expressed genes (DEGs) were identified and then functionally annotated. The support vector machine recursive feature elimination (SVM-RFE) and least absolute shrinkage and selection operator (LASSO) regression analysis were conducted to identify potential diagnostic AF-CE biomarkers. Furthermore, the results were validated by using external data sets, and discriminability was measured by the area under the ROC curve (AUC). In order to verify the predictive results, the blood samples of 13 healthy controls, 20 patients with CE, and 20 patients with LAA stroke were acquired for RT-qPCR, and the correlation between biomarkers and clinical features was further explored. Lastly, a nomogram and the companion website were developed to predict the CE-risk rate. Three feature genes (C1QC, VSIG4, and CFD) were selected and validated in the training and the external datasets. The qRT-PCR evaluation showed that the levels of blood biomarkers (C1QC, VSIG4, and CFD) in patients with AF-CE can be used to differentiate patients with AF-CE from normal controls (P < 0.05) and can effectively discriminate AF-CE from LAA stroke (P < 0.05). Immune cell infiltration analysis revealed that three feature genes were correlated with immune system such as neutrophils. Clinical impact curve, calibration curves, ROC, and DCAs of the nomogram indicate that the nomogram had good performance. Our findings showed that C1QC, VSIG4, and CFD can potentially serve as diagnostic blood biomarkers of AF-CE; novel nomogram and the companion website can help clinicians to identify high-risk individuals, thus helping to guide treatment decisions for stroke patients.
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10
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Sun M, Ji X, Xie M, Chen X, Zhang B, Luo X, Feng Y, Liu D, Wang Y, Li Y, Liu B, Xia L, Huang W. Identification of necroptosis-related subtypes, development of a novel signature, and characterization of immune infiltration in colorectal cancer. Front Immunol 2022; 13:999084. [PMID: 36544770 PMCID: PMC9762424 DOI: 10.3389/fimmu.2022.999084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 11/14/2022] [Indexed: 12/12/2022] Open
Abstract
Introduction Necroptosis, a type of programmed cell death, has recently been extensively studied as an important pathway regulating tumor development, metastasis, and immunity. However, the expression patterns of necroptosis-related genes (NRGs) in colorectal cancer (CRC) and their potential roles in the tumor microenvironment (TME) have not been elucidated. Methods We explored the expression patterns of NRGs in 1247 colorectal cancer samples from genetics and transcriptional perspective. Based on a consensus clustering algorithm, we identified NRG molecular subtypes and gene subtypes, respectively. Furthermore, we constructed a necroptosis-related signature for predicting overall survival time and verified the predictive ability of the model. Using the ESTIMATE, CIBERSORT, and ssGSEA algorithms, we assessed the association between the above subtypes, scores and immune infiltration. Results Most NRGs were differentially expressed between CRC tissues and normal tissues. We found that distinct subtypes exhibited different NRGs expression, patients' prognosis, immune checkpoint gene expression, and immune infiltration characteristics. The scores calculated from the necroptosis-related signature can be used to classify patients into high-risk and low-risk groups, with the high-risk group corresponding to reduced immune cell infiltration and immune function, and a greater risk of immune dysfunction and immune escape. Discussion Our comprehensive analysis of NRGs in CRC demonstrated their potential role in clinicopathological features, prognosis, and immune infiltration in the TME. These findings help us deepen our understanding of NRGs and the tumor microenvironment landscape, and lay a foundation for effectively assessing patient outcomes and promoting more effective immunotherapy.
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Affiliation(s)
- Mengyu Sun
- Department of Gastroenterology, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Institute of Liver and Gastrointestinal Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xiaoyu Ji
- Department of Gastroenterology, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Institute of Liver and Gastrointestinal Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Meng Xie
- Department of Gastroenterology, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Institute of Liver and Gastrointestinal Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xiaoping Chen
- Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Clinical Medicine Research Center for Hepatic Surgery of Hubei Province, Wuhan, Hubei, China
- Key Laboratory of Organ Transplantation, Ministry of Education and Ministry of Public Health, Wuhan, Hubei, China
| | - Bixiang Zhang
- Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Clinical Medicine Research Center for Hepatic Surgery of Hubei Province, Wuhan, Hubei, China
- Key Laboratory of Organ Transplantation, Ministry of Education and Ministry of Public Health, Wuhan, Hubei, China
| | - Xiangyuan Luo
- Department of Gastroenterology, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Institute of Liver and Gastrointestinal Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yangyang Feng
- Department of Gastroenterology, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Institute of Liver and Gastrointestinal Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Danfei Liu
- Department of Gastroenterology, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Institute of Liver and Gastrointestinal Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yijun Wang
- Department of Gastroenterology, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Institute of Liver and Gastrointestinal Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yiwei Li
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics and Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Bifeng Liu
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics and Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Limin Xia
- Department of Gastroenterology, Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Institute of Liver and Gastrointestinal Diseases, Tongji Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Wenjie Huang
- Hubei Key Laboratory of Hepato-Pancreato-Biliary Diseases, Hepatic Surgery Center, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Clinical Medicine Research Center for Hepatic Surgery of Hubei Province, Wuhan, Hubei, China
- Key Laboratory of Organ Transplantation, Ministry of Education and Ministry of Public Health, Wuhan, Hubei, China
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11
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Guo Q, Liu XL, Jiang N, Zhang WJ, Guo SW, Yang H, Ji YM, Zhou J, Guo JL, Zhang J, Liu HS. Decreased APOC1 expression inhibited cancer progression and was associated with better prognosis and immune microenvironment in esophageal cancer. Am J Cancer Res 2022; 12:4904-4929. [PMID: 36504892 PMCID: PMC9729889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 10/17/2022] [Indexed: 12/15/2022] Open
Abstract
Several studies have demonstrated the involvement of apolipoprotein C1 (APOC1) in multiple cancers. However, the role of APOC1 in esophageal cancer (ESCA) has not been elucidated. Hence, we examined the expression of APOC1 in ESCA tissues acquired from The Cancer Genome Atlas (TCGA) database and clinical samples from our hospital. An investigation of the association of APOC1 with the clinicopathological characteristics, prognosis, and diagnosis of ESCA was carried out on the basis of survival, receiver operating characteristics, and correlation analyses. Gene ontology, KEGG analysis, and protein-protein interaction network showed that co-expressed APOC1 genes were involved in the functions, mechanisms, and action network. The effects of APOC1 expression on ESCA cells were explored using CCK-8, migration and invasion assays. The relationship between APOC1 expression and ESCA immune-infiltrating cells and cell markers were examined using correlation analysis. We found that APOC1 was overexpressed in TCGA ESCA tissues and the same was validated in clinical ESCA tissues, with the area under the curve for APOC1 being 0.887. Overexpression of APOC1 was associated with short overall survival, disease-specific survival, progression-free interval, T stage, pathological stage, body mass index, and histological grade. Inhibition of APOC1 expression significantly reduced the proliferation, migration, and invasion of ESCA cells. Furthermore, APOC1 expression positively correlated with the ESTIMATE, immune, and stromal scores in ESCA. Overexpression of APOC1 correlated with the tumor purity, B cells, T helper cells, natural killer cells, cytotoxic cells, and other immune cells. Moreover, APOC1 was involved in ESCA progression via T cell receptor, B cell receptor, and other immune signaling pathways. Thus, APOC1 overexpression is expected to be a biomarker for dismal prognosis and diagnosis of ESCA. Inhibition of APOC1 expression significantly reduced the proliferation, migration, and invasion of ESCA cells. Overexpression of APOC1 was associated with the immune microenvironment in ESCA. Thus, APOC1 may be an efficient biomarker for proper prognosis and diagnosis of ESCA.
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Affiliation(s)
- Qiang Guo
- Department of Cardiothoracic Surgery, Taihe Hospital, Hubei University of MedicineShiyan, Hubei, China
| | - Xiao-Li Liu
- Department of Ultrasound, The People’s Hospital of Jianyang CityJianyang, Sichuan, China
| | - Ni Jiang
- Department of Obstetrics and Gynecology, Women and Children’s Hospital of Chongqing Medical UniversityChongqing, China
| | - Wen-Jun Zhang
- Department of Medical Ultrasound, Taihe Hospital, Hubei University of MedicineShiyan, Hubei, China
| | - Shao-Wen Guo
- Department of Medical Ultrasound, Taihe Hospital, Hubei University of MedicineShiyan, Hubei, China
| | - Heng Yang
- Department of Cardiothoracic Surgery, Taihe Hospital, Hubei University of MedicineShiyan, Hubei, China
| | - Yan-Mei Ji
- Department of Critical Care Medicine, Taihe Hospital, Hubei University of MedicineShiyan, Hubei, China
| | - Jun Zhou
- Department of Cardiothoracic Surgery, Taihe Hospital, Hubei University of MedicineShiyan, Hubei, China
| | - Jia-Long Guo
- Department of Cardiothoracic Surgery, Taihe Hospital, Hubei University of MedicineShiyan, Hubei, China
| | - Jun Zhang
- Department of Cardiothoracic Surgery, Taihe Hospital, Hubei University of MedicineShiyan, Hubei, China
| | - Hua-Song Liu
- Department of Cardiothoracic Surgery, Taihe Hospital, Hubei University of MedicineShiyan, Hubei, China
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12
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Jiang HZ, Yang B, Jiang YL, Liu X, Chen DL, Long FX, Yang Z, Tang DX. Development and validation of prognostic models for colon adenocarcinoma based on combined immune-and metabolism-related genes. Front Oncol 2022; 12:1025397. [PMID: 36387195 PMCID: PMC9661394 DOI: 10.3389/fonc.2022.1025397] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 09/30/2022] [Indexed: 11/02/2023] Open
Abstract
Background The heterogeneity of tumor tissue is one of the reasons for the poor effect of tumor treatment, which is mainly affected by the tumor immune microenvironment and metabolic reprogramming. But more research is needed to find out how the tumor microenvironment (TME) and metabolic features of colon adenocarcinoma (COAD) are related. Methods We obtained the transcriptomic and clinical data information of COAD patients from The Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO) databases. Consensus clustering analysis was used to identify different molecular subtypes, identify differentially expressed genes (DEGs) associated with immune-and metabolism-related genes (IMRGs) prognosis. Univariate and multivariable Cox regression analysis and Lasso regression analysis were applied to construct the prognostic models based on the IMRG risk score. The correlations between risk scores and TME, immune cell infiltration, and immune checkpoint genes were investigated. Lastly, potential appropriate drugs related to the risk score were screened by drug sensitivity analysis. Results By consensus clustering analysis, we identified two distinct molecular subtypes. It was also found that the multilayered IMRG subtypes were associated with the patient's clinicopathological characteristics, prognosis, and TME cell infiltration characteristics. Meanwhile, a prognostic model based on the risk score of IMRGs was constructed and its predictive power was verified internally and externally. Clinicopathological analysis and nomogram give it better clinical guidance. The IMRG risk score plays a key role in immune microenvironment infiltration. Patients in the high-risk groups of microsatellite instability (MSI) and tumor mutational burden (TMB) were found to, although with poor prognosis, actively respond to immunotherapy. Furthermore, IMRG risk scores were significantly associated with immune checkpoint gene expression. The potential drug sensitivity study helps come up with and choose a chemotherapy treatment plan. Conclusion Our comprehensive analysis of IMRG signatures revealed a broad range of regulatory mechanisms affecting the tumor immune microenvironment (TIME), immune landscape, clinicopathological features, and prognosis. And to explore the potential drugs for immunotherapy. It will help to better understand the molecular mechanisms of COAD and provide new directions for disease treatment.
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Affiliation(s)
- Hui-zhong Jiang
- College of Graduate, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Bing Yang
- College of Graduate, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Ya-li Jiang
- College of Graduate, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Xun Liu
- College of Graduate, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Da-lin Chen
- College of Graduate, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Feng-xi Long
- College of Graduate, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Zhu Yang
- College of Graduate, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Dong-xin Tang
- College of Graduate, Guizhou University of Traditional Chinese Medicine, Guiyang, China
- The First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
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13
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Zhou Y, Tao D, Shao Z, Wang X, Xu J, Li Y, Li K. Expression profiles of exosomal tRNA-derived fragments and their biological functions in lipomas. Front Cell Dev Biol 2022; 10:942133. [PMID: 36035989 PMCID: PMC9399354 DOI: 10.3389/fcell.2022.942133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 07/18/2022] [Indexed: 11/30/2022] Open
Abstract
There is evidence that exosomes derived from the lipoma tissue (Exo-LT) have a stronger capacity to promote the proliferation and migration of adipose-derived stem cells (ADSCs) than those from the adipose tissue (Exo-AT). But the Exo-LT do not have a significant effect on the adipogenic differentiation of the ADSCs. Recently, certain exosomal tRNA-derived fragments (tRFs) have been shown to play a crucial role in the pathogenesis of certain tumors. Therefore, it is necessary to identify the differently expressed tRFs in Exo-LT to further elucidate their molecular functions in lipomas. High-throughput sequencing was performed to examine the tRFs and mRNAs from the all samples belonging to the Exo-LT and Exo-AT groups. Target prediction and bioinformatics analysis were performed to explore their downstream mRNAs and biological functions. In total, 456 differently expressed tRFs and tiRNAs were identified in the Exo-LT group, 12 of which were up-regulated and 12 were down-regulated, respectively. Notably, tRF-1001 was most obviously down-regulated and tRF-3004a was most obviously up-regulated in the Exo-LT group. Moreover, among the target genes of tRF-1001 and tRF-3004a, both JAG2 and VSIG4 were significantly down-regulated in the Exo-LT group, while WNT5A, COL1A1, and PPARGC1A were highly expressed in both the Exo-LT and Exo-AT groups. The significant down-regulation of JAG2 and VSIG4 in the Exo-LT group could be due to the fact that Exo-LT had a stronger capacity to promote the proliferation and migration of ADSCs compared to the Exo-AT. The high expression of WNT5A, COL1A1, and PPARGC1A in both the Exo-LT and Exo-AT groups could be due to the similar ability of Exo-LT and Exo-AT to promote the adipogenic differentiation of ADSCs.
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Affiliation(s)
- Yuxi Zhou
- Department of Xiangya Stomatological Hospital and Xiangya School of Stomatology, Central South University, Changsha, Hunan, China
| | - Daixi Tao
- Department of Changsha Traditional Chinese Medicine Hospital, Changsha, Hunan, China
| | - Zifei Shao
- Department of Xiangya Stomatological Hospital and Xiangya School of Stomatology, Central South University, Changsha, Hunan, China
| | - Xiang Wang
- Department of Xiangya Stomatological Hospital and Xiangya School of Stomatology, Central South University, Changsha, Hunan, China
| | - Jinhao Xu
- Department of Xiangya Stomatological Hospital and Xiangya School of Stomatology, Central South University, Changsha, Hunan, China
| | - Yiyang Li
- Department of Xiangya Stomatological Hospital and Xiangya School of Stomatology, Central South University, Changsha, Hunan, China
| | - Kun Li
- Department of Xiangya Stomatological Hospital and Xiangya School of Stomatology, Central South University, Changsha, Hunan, China
- *Correspondence: Kun Li,
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14
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Han SY, Ghee JY, Cha JJ, Kang YS, Hur DY, Kim HS, Cha DR. Upregulation of VSIG4 in Type 2 Diabetic Kidney Disease. Life (Basel) 2022; 12:life12071031. [PMID: 35888119 PMCID: PMC9318196 DOI: 10.3390/life12071031] [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: 06/16/2022] [Revised: 07/06/2022] [Accepted: 07/07/2022] [Indexed: 12/01/2022] Open
Abstract
Fibrosis is the final common finding in patients with advanced diabetic kidney disease. V-set Ig domain containing 4 (VSIG4) is related to fibrosis in several diseases. It also contributes to fibrosis under high-glucose conditions in renal tubule cells. To determine the role of VSIG4 in type 2 diabetes, we examined VSIG4 expression in a type 2 diabetic animal model and podocyte. Urinary excretion of albumin and VSIG4 was significantly higher in db/db mice than in the control group. Urine VSIGs levels for 6 h were about three-fold higher in db/db mice than in db/m mice at 20 weeks of age: 55.2 ± 37.8 vs. 153.1 ± 74.3 ng, p = 0.04. Furthermore, urinary VSIG4 levels were significantly correlated with urinary albumin levels (r = 0.77, p < 0.01). Intrarenal VSIG4 mRNA expression was significantly higher in db/db mice than in control mice (1.00 ± 0.35 vs. 1.69 ± 0.77, p = 0.04). Further, VSIG4 expression was almost twice as high in db/db mice at 20 weeks of age. Intrarenal VSIG immunoreactivity in db/db mice was also significantly higher than that in control mice. In cultured podocytes, both high glucose and angiotensin II significantly upregulated the expression of VSIG4 mRNA and protein. In conclusion, VSIG4 was upregulated in an animal model of type 2 diabetes and was related to albuminuria and pro-fibrotic markers. Considering these relationships, VSIG4 may be an important mediator of diabetic nephropathy progression.
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Affiliation(s)
- Sang Youb Han
- Department of Internal Medicine, Inje University, Ilsan-Paik Hospital, Goyang 10380, Korea
- Correspondence: (S.Y.H.); (D.R.C.); Tel.: +82-31-910-7201 (S.Y.H.); +82-31-412-5572 (D.R.C.); Fax: +82-31-910-7219 (S.Y.H.); +82-31-412-5574 (D.R.C.)
| | - Jung Yeon Ghee
- Department of Internal Medicine, Korea University, Ansan Hospital, Ansan 15355, Korea; (J.Y.G.); (J.J.C.); (Y.S.K.)
| | - Jin Joo Cha
- Department of Internal Medicine, Korea University, Ansan Hospital, Ansan 15355, Korea; (J.Y.G.); (J.J.C.); (Y.S.K.)
| | - Young Sun Kang
- Department of Internal Medicine, Korea University, Ansan Hospital, Ansan 15355, Korea; (J.Y.G.); (J.J.C.); (Y.S.K.)
| | - Dae Young Hur
- Department of Anatomy and Tumor Immunology, Inje University College of Medicine, Busan 47392, Korea;
| | - Han Seong Kim
- Department of Pathology, Inje University, Ilsan-Paik Hospital, Goyang 10380, Korea;
| | - Dae Ryong Cha
- Department of Internal Medicine, Korea University, Ansan Hospital, Ansan 15355, Korea; (J.Y.G.); (J.J.C.); (Y.S.K.)
- Correspondence: (S.Y.H.); (D.R.C.); Tel.: +82-31-910-7201 (S.Y.H.); +82-31-412-5572 (D.R.C.); Fax: +82-31-910-7219 (S.Y.H.); +82-31-412-5574 (D.R.C.)
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15
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Ou MY, Zhang H, Tan PC, Zhou SB, Li QF. Adipose tissue aging: mechanisms and therapeutic implications. Cell Death Dis 2022; 13:300. [PMID: 35379822 PMCID: PMC8980023 DOI: 10.1038/s41419-022-04752-6] [Citation(s) in RCA: 63] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 03/03/2022] [Accepted: 03/18/2022] [Indexed: 01/10/2023]
Abstract
Adipose tissue, which is the crucial energy reservoir and endocrine organ for the maintenance of systemic glucose, lipid, and energy homeostasis, undergoes significant changes during aging. These changes cause physiological declines and age-related disease in the elderly population. Here, we review the age-related changes in adipose tissue at multiple levels and highlight the underlying mechanisms regulating the aging process. We also discuss the pathogenic pathways of age-related fat dysfunctions and their systemic negative consequences, such as dyslipidemia, chronic general inflammation, insulin resistance, and type 2 diabetes (T2D). Age-related changes in adipose tissue involve redistribution of deposits and composition, in parallel with the functional decline of adipocyte progenitors and accumulation of senescent cells. Multiple pathogenic pathways induce defective adipogenesis, inflammation, aberrant adipocytokine production, and insulin resistance, leading to adipose tissue dysfunction. Changes in gene expression and extracellular signaling molecules regulate the aging process of adipose tissue through various pathways. In addition, adipose tissue aging impacts other organs that are infiltrated by lipids, which leads to systemic inflammation, metabolic system disruption, and aging process acceleration. Moreover, studies have indicated that adipose aging is an early onset event in aging and a potential target to extend lifespan. Together, we suggest that adipose tissue plays a key role in the aging process and is a therapeutic target for the treatment of age-related disease, which deserves further study to advance relevant knowledge.
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Affiliation(s)
- Min-Yi Ou
- Department of Plastic & Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 200011, Shanghai, China
| | - Hao Zhang
- Department of Plastic & Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 200011, Shanghai, China
| | - Poh-Ching Tan
- Department of Plastic & Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 200011, Shanghai, China
| | - Shuang-Bai Zhou
- Department of Plastic & Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 200011, Shanghai, China.
| | - Qing-Feng Li
- Department of Plastic & Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 200011, Shanghai, China.
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16
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Xu J, Zhou H, Xiang G. Identification of Key Biomarkers and Pathways for Maintaining Cognitively Normal Brain Aging Based on Integrated Bioinformatics Analysis. Front Aging Neurosci 2022; 14:833402. [PMID: 35356296 PMCID: PMC8959911 DOI: 10.3389/fnagi.2022.833402] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 02/07/2022] [Indexed: 12/18/2022] Open
Abstract
Background Given the arrival of the aging population has caused a series of social and economic problems, we aimed to explore the key genes underlying cognitively normal brain aging and its potential molecular mechanisms. Methods GSE11882 was downloaded from Gene Expression Omnibus (GEO). The data from different brain regions were divided into aged and young groups for analysis. Co-expressed differentially expressed genes (DEGs) were screened. Functional analysis, protein–protein interaction (PPI) network, microRNA (miRNA)-gene, and transcription factor (TF)-gene networks were performed to identify hub genes and related molecular mechanisms. AlzData database was used to elucidate the expression of DEGs and hub genes in the aging brain. Animal studies were conducted to validate the hub genes. Results Co-expressed DEGs contained 7 upregulated and 87 downregulated genes. The enrichment analysis indicated DEGs were mainly involved in biological processes and pathways related to immune-inflammatory responses. From the PPI network, 10 hub genes were identified: C1QC, C1QA, C1QB, CD163, FCER1G, VSIG4, CD93, CD14, VWF, and CD44. CD44 and CD93 were the most targeted DEGs in the miRNA-gene network, and TIMP1, HLA-DRA, VWF, and FGF2 were the top four targeted DEGs in the TF-gene network. In AlzData database, the levels of CD44, CD93, and CD163 in patients with Alzheimer’s disease (AD) were significantly increased than those in normal controls. Meanwhile, in the brain tissues of cognitively normal mice, the expression of CD44, CD93, and CD163 in the aged group was significantly lower than those in the young group. Conclusion The underlying molecular mechanisms for maintaining healthy brain aging are related to the decline of immune-inflammatory responses. CD44, CD93, and CD 163 are considered as potential biomarkers. This study provides more molecular evidence for maintaining cognitively normal brain aging.
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Affiliation(s)
- Jinling Xu
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, China
- Department of Endocrinology, General Hospital of Central Theater Command, Wuhan, China
| | - Hui Zhou
- Department of General Surgery, The Third Xiangya Hospital, Central South University, Changsha, China
| | - Guangda Xiang
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, China
- Department of Endocrinology, General Hospital of Central Theater Command, Wuhan, China
- *Correspondence: Guangda Xiang,
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Nwadiugwu M. RNA-seq analysis of phagocytic cells from murine epididymal white adipose tissue shows immunosenescence and age-related phosphorus metabolism. Hum Cell 2022; 35:572-582. [PMID: 35032296 DOI: 10.1007/s13577-021-00663-4] [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: 11/02/2021] [Accepted: 12/15/2021] [Indexed: 12/01/2022]
Abstract
The underlying state of alterations in adipose tissue is hypothesized to be as a result of age-related changes. Young and aged mice have been documented to show distinct gene expression and distinct macrophage-specific adipose tissue regulation. However, more biological understanding is required to know the processes associated with these conditions in relation to the aging process. Transcriptional profiling with RNA-seq analysis was used to determine differentially expressed genes in young (2 months old) and aged (20 months old) mice macrophage-enriched phagocytic stromal vascular fractions of pooled epididymal white adipose tissue using data obtained from gene expression omnibus. Results showed distinct differentially expressed genes in young and aged mice with a p value cutoff of 0.05 and dissimilarities in the young and aged epididymal white adipose tissue phagocytic cells. Functional enrichment showed activation of cytokine-cytokine receptor interaction pathways, phosphorus metabolic processes and inflammatory pathways such as IL-17, TNF, NF-kappa B, and TGF-β, while AMPK, PPAR and oxidative phosphorylation were suppressed. The analysis showed that aging is linked with phagocytic cell decline, accumulated cellular damages, inflammation, immunosenescence and increased phosphorus metabolism. Interventions that reduce phosphate-containing compound could improve phosphorus metabolism in old age to prolong lifespan and better health.
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Affiliation(s)
- Martin Nwadiugwu
- Leonard Davis School of Gerontology, University of Southern California, 3715 McClintock Ave, Los Angeles, CA, 90089, USA.
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18
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Zhang J, Li KY, Liu XY, Tu YY. Up-regulation of VSIG4 alleviates kidney transplantation-associated acute kidney injury through suppressing inflammation and ROS via regulation of AKT signaling. Free Radic Biol Med 2021:S0891-5849(21)00843-1. [PMID: 34856328 DOI: 10.1016/j.freeradbiomed.2021.11.035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/24/2021] [Accepted: 11/28/2021] [Indexed: 02/07/2023]
Abstract
Prolonged cold ischemia (CI) is a risk factor for acute kidney injury (AKI) after kidney transplantation (KT). AKI is an abrupt and rapid reduction in renal function due to multi-factors, including inflammation, oxidative stress and apoptosis. V-set immunoglobulin-domain-containing 4 (VSIG4) is a B7 family-related protein and specifically expressed in resting tissue-resident macrophages to mediate various cellular events. In the study, we attempted to explore the effects of VSIG4 on CI/KT-induced AKI in a mouse model. Our results showed that VSIG4 expression was markedly down-regulated in serum of kidney transplant recipients with acute rejection, and in renal tissues of cold ischemia-reperfusion (IR)-operated mice with AKI, which was confirmed in murine macrophages stimulated by oxygen glucose deprivation/reoxygenation (OGD/R). We then found that exogenous VSIG4 markedly ameliorated histological changes in kidney of CI/KT mice by suppressing inflammation and apoptosis through restraining nuclear factor-κB (NF-κB) and Caspase-3 activation, respectively. Oxidative stress and reactive oxygen species (ROS) accumulation in renal tissues were also mitigated by exogenous VSIG4 in CI/KT mice through improving nuclear factor-erythroid 2 related factor 2 (Nrf2) nuclear expression. The inhibitory effects of VSIG4 on inflammation, ROS generation and cell death were confirmed in OGD/R-treated macrophages, which further ameliorated oxidative damage and apoptosis in podocytes. More in vivo and in vitro studies showed that CI/KT- and OGD/R-induced AKI was further accelerated by VSIG4 knockdown. Mechanistically, VSIG4 directly interacted with AKT, and AKT activation was necessary for VSIG4 to govern all these above mentioned cellular processes. Collectively, our findings demonstrated that VSIG4 could mitigate AKI in a CI/KT mouse model, and we identified VSIG4/AKT axis as a promising therapeutic target for the treatment of the disease.
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Affiliation(s)
- Jie Zhang
- Department of Organ Transplantation, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510000, China
| | - Kun-Yuan Li
- Department of Organ Transplantation, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510000, China
| | - Xiao-You Liu
- Department of Organ Transplantation, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510000, China.
| | - Yan-Yang Tu
- Department of Experimental Surgery, Tangdu Hospital of the Fourth Military Medical University, Xi'an, 710000, China
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19
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Fleyshman DI, Wakshlag JJ, Huson HJ, Loftus JP, Olby NJ, Brodsky L, Gudkov AV, Andrianova EL. Development of infrastructure for a systemic multidisciplinary approach to study aging in retired sled dogs. Aging (Albany NY) 2021; 13:21814-21837. [PMID: 34587118 PMCID: PMC8507265 DOI: 10.18632/aging.203600] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 09/25/2021] [Indexed: 12/14/2022]
Abstract
Canines represent a valuable model for mammalian aging studies as large animals with short lifespans, allowing longitudinal analyses within a reasonable time frame. Moreover, they develop a spectrum of aging-related diseases resembling that of humans, are exposed to similar environments, and have been reasonably well studied in terms of physiology and genetics. To overcome substantial variables that complicate studies of privately-owned household dogs, we have focused on a more uniform population composed of retired Alaskan sled dogs that shared similar lifestyles, including exposure to natural stresses, and are less prone to breed-specific biases than a pure breed population. To reduce variability even further, we have collected a population of 103 retired (8-11 years-old) sled dogs from multiple North American kennels in a specialized research facility named Vaika. Vaika dogs are maintained under standardized conditions with professional veterinary care and participate in a multidisciplinary program to assess the longitudinal dynamics of aging. The established Vaika infrastructure enables periodic gathering of quantitative data reflecting physical, physiological, immunological, neurological, and cognitive decline, as well as monitoring of aging-associated genetic and epigenetic alterations occurring in somatic cells. In addition, we assess the development of age-related diseases such as arthritis and cancer. In-depth data analysis, including artificial intelligence-based approaches, will build a comprehensive, integrated model of canine aging and potentially identify aging biomarkers that will allow use of this model for future testing of antiaging therapies.
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Affiliation(s)
| | - Joseph J Wakshlag
- Cornell University College of Veterinary Medicine, Ithaca, NY 14853, USA
| | - Heather J Huson
- Cornell University College of Agriculture and Life Sciences, Ithaca, NY 14853, USA
| | - John P Loftus
- Cornell University College of Veterinary Medicine, Ithaca, NY 14853, USA
| | - Natasha J Olby
- North Carolina State University College of Veterinary Medicine, Raleigh, NC 27606, USA
| | - Leonid Brodsky
- Tauber Bioinformatic Research Center, University of Haifa, Haifa, Israel
| | - Andrei V Gudkov
- Vaika, Inc., East Aurora, NY 14052, USA.,Roswell Park Comprehensive Cancer Center, Buffalo, NY 14263, USA
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Lu RJ, Wang EK, Benayoun BA. Functional genomics of inflamm-aging and immunosenescence. Brief Funct Genomics 2021; 21:43-55. [PMID: 33690792 DOI: 10.1093/bfgp/elab009] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 01/26/2021] [Accepted: 01/29/2021] [Indexed: 02/07/2023] Open
Abstract
The aging population is at a higher risk for age-related diseases and infections. This observation could be due to immunosenescence: the decline in immune efficacy of both the innate and the adaptive immune systems. Age-related immune decline also links to the concept of 'inflamm-aging,' whereby aging is accompanied by sterile chronic inflammation. Along with a decline in immune function, aging is accompanied by a widespread of 'omics' remodeling. Transcriptional landscape changes linked to key pathways of immune function have been identified across studies, such as macrophages having decreased expression of genes associated to phagocytosis, a major function of macrophages. Therefore, a key mechanism underlying innate immune cell dysfunction during aging may stem from dysregulation of youthful genomic networks. In this review, we discuss both molecular and cellular phenotypes of innate immune cells that contribute to age-related inflammation.
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Affiliation(s)
- Ryan J Lu
- Leonard Davis School of Gerontology at the University of Southern California
| | - Emily K Wang
- Leonard Davis School of Gerontology at the University of Southern California
| | - Bérénice A Benayoun
- Leonard Davis School of Gerontology at the University of Southern California
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21
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Hall BM, Gleiberman AS, Strom E, Krasnov PA, Frescas D, Vujcic S, Leontieva OV, Antoch MP, Kogan V, Koman IE, Zhu Y, Tchkonia T, Kirkland JL, Chernova OB, Gudkov AV. Immune checkpoint protein VSIG4 as a biomarker of aging in murine adipose tissue. Aging Cell 2020; 19:e13219. [PMID: 32856419 PMCID: PMC7576241 DOI: 10.1111/acel.13219] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Revised: 05/26/2020] [Accepted: 07/03/2020] [Indexed: 12/20/2022] Open
Abstract
Adipose tissue is recognized as a major source of systemic inflammation with age, driving age-related tissue dysfunction and pathogenesis. Macrophages (Mφ) are central to these changes yet adipose tissue Mφ (ATMs) from aged mice remain poorly characterized. To identify biomarkers underlying changes in aged adipose tissue, we performed an unbiased RNA-seq analysis of ATMs from young (8-week-old) and healthy aged (80-week-old) mice. One of the genes identified, V-set immunoglobulin-domain-containing 4 (VSIG4/CRIg), encodes a Mφ-associated complement receptor and B7 family-related immune checkpoint protein. Here, we demonstrate that Vsig4 expression is highly upregulated with age in perigonadal white adipose tissue (gWAT) in two mouse strains (inbred C57BL/6J and outbred NIH Swiss) independent of gender. The accumulation of VSIG4 was mainly attributed to a fourfold increase in the proportion of VSIG4+ ATMs (13%-52%). In a longitudinal study, VSIG4 expression in gWAT showed a strong correlation with age within a cohort of male and female mice and correlated strongly with physiological frailty index (PFI, a multi-parameter assessment of health) in male mice. Our results indicate that VSIG4 is a novel biomarker of aged murine ATMs. VSIG4 expression was also found to be elevated in other aging tissues (e.g., thymus) and was strongly induced in tumor-adjacent stroma in cases of spontaneous and xenograft lung cancer models. VSIG4 expression was recently associated with cancer and several inflammatory diseases with diagnostic and prognostic potential in both mice and humans. Further investigation is required to determine whether VSIG4-positive Mφ contribute to immunosenescence and/or systemic age-related deficits.
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Affiliation(s)
| | | | | | | | | | | | - Olga V. Leontieva
- Department of Pharmacology and TherapeuticsRoswell Park Comprehensive Cancer CenterBuffaloNYUSA
| | - Marina P. Antoch
- Department of Pharmacology and TherapeuticsRoswell Park Comprehensive Cancer CenterBuffaloNYUSA
| | - Valeria Kogan
- Institute for Translational ResearchAriel UniversityArielIsrael
| | - Igor E. Koman
- Institute for Translational ResearchAriel UniversityArielIsrael
| | - Yi Zhu
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMNUSA
| | - Tamara Tchkonia
- Robert and Arlene Kogod Center on AgingMayo ClinicRochesterMNUSA
| | | | | | - Andrei V. Gudkov
- Everon Biosciences IncBuffaloNYUSA
- Department of Cell Stress BiologyRoswell Park Comprehensive Cancer CenterBuffaloNYUSA
- Genome Protection IncBuffaloNYUSA
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