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Fu Z, Yang G, Yun SY, Jang JM, Ha HC, Shin IC, Back MJ, Piao Y, Kim DK. Hyaluronan and proteoglycan link protein 1 - a novel signaling molecule for rejuvenating aged skin. Matrix Biol 2024:S0945-053X(24)00111-2. [PMID: 39226945 DOI: 10.1016/j.matbio.2024.08.009] [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: 02/20/2024] [Revised: 08/28/2024] [Accepted: 08/30/2024] [Indexed: 09/05/2024]
Abstract
The skin seems to rejuvenate upon exposure to factors within the circulation of young organisms. Intrinsic factors that modulate skin aging are poorly understood. We used heterochronic parabiosis and aptamer-based proteomics to identify serum-derived rejuvenating factors. We discovered a novel extracellular function of hyaluronan and proteoglycan link protein 1 (HAPLN1). Its serum levels decreased with age, disturbing the integrity of the skin extracellular matrix, which is predominantly composed of collagen I and hyaluronan; levels of various markers, which decrease in aged skin, were significantly restored in vivo and in vitro by the administration of recombinant human HAPLN1 (rhHAPLN1). rhHAPLN1 protected transforming growth factor beta receptor 2 on the cell surface from endocytic degradation via mechanisms such as regulation of viscoelasticity, CD44 clustering, and hyaluronan cross-linking. Moreover, rhHAPLN1 regulated the levels of nuclear factor erythroid 2-related factor 2, phosphorylated nuclear factor kappa B, and some cyclin-dependent kinase inhibitors such as p16 and p21. Therefore, rhHAPLN1 may act as a novel biomechanical signaling protein to rejuvenate aged skin.
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Affiliation(s)
- Zhicheng Fu
- Department of Environmental & Health Chemistry, College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea; HaplnScience Research Institute, HaplnScience, Inc., Seongnam 13494, Republic of Korea
| | - Goowon Yang
- HaplnScience Research Institute, HaplnScience, Inc., Seongnam 13494, Republic of Korea
| | - So Yoon Yun
- Department of Environmental & Health Chemistry, College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea; HaplnScience Research Institute, HaplnScience, Inc., Seongnam 13494, Republic of Korea
| | - Ji Min Jang
- Department of Environmental & Health Chemistry, College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Hae Chan Ha
- Department of Environmental & Health Chemistry, College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea
| | - In Chul Shin
- Department of Environmental & Health Chemistry, College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Moon Jung Back
- Department of Environmental & Health Chemistry, College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Yongwei Piao
- Department of Environmental & Health Chemistry, College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea; HaplnScience Research Institute, HaplnScience, Inc., Seongnam 13494, Republic of Korea
| | - Dae Kyong Kim
- Department of Environmental & Health Chemistry, College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea; HaplnScience Research Institute, HaplnScience, Inc., Seongnam 13494, Republic of Korea.
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Chu JCH, Escriche‐Navarro B, Xiong J, García‐Fernández A, Martínez‐Máñez R, Ng DKP. β-Galactosidase-Triggered Photodynamic Elimination of Senescent Cells with a Boron Dipyrromethene-Based Photosensitizer. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2401012. [PMID: 38884205 PMCID: PMC11336962 DOI: 10.1002/advs.202401012] [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: 01/27/2024] [Revised: 05/16/2024] [Indexed: 06/18/2024]
Abstract
Senescence is a cellular response having physiological and reparative functions to preserve tissue homeostasis and suppress tumor growth. However, the accumulation of senescent cells would cause deleterious effects that lead to age-related dysfunctions and cancer progression. Hence, selective detection and elimination of senescent cells are crucial yet remain a challenge. A β-galactosidase (β-gal)-activated boron dipyrromethene (BODIPY)-based photosensitizer (compound 1) is reported here that can selectively detect and eradicate senescent cells. It contains a galactose moiety connected to a pyridinium BODIPY via a self-immolative nitrophenylene linker, of which the photoactivity is effectively quenched. Upon interactions with the senescence-associated β-gal, it undergoes enzymatic hydrolysis followed by self-immolation, leading to the release of an activated BODIPY moiety by which the fluorescence emission and singlet oxygen generation are restored. The ability of 1 to detect and eliminate senescent cells is demonstrated in vitro and in vivo, using SK-Mel-103 tumor-bearing mice treated with senescence-inducing therapy. The results demonstrate that 1 can be selectively activated in senescent cells to trigger a robust senolytic effect upon irradiation. This study breaks new ground in the design and application of new senolytic agents based on photodynamic therapy.
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Affiliation(s)
- Jacky C. H. Chu
- Department of ChemistryThe Chinese University of Hong KongShatin, N.T.Hong KongChina
| | - Blanca Escriche‐Navarro
- Instituto Interuniversitario de Investigación de ReconocimientoMolecular y Desarrollo TecnológicoUniversitat Politècnica de ValènciaUniversitat de ValènciaValencia46022Spain
- Unidad Mixta de Investigación en Nanomedicina y SensoresUniversitat Politècnica e València, Instituto de Investigación Sanitaria La Fe (IIS La Fe)Valencia46026Spain
- Unidad Mixta UPV‐CIPF de Investigación en Mecanismos de Enfermedades y NanomedicinaUniversitat Politècnica de València, Centro de Investigación Príncipe FelipeValencia46012Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER‐BBN)Instituto de Salud Carlos IIIMadrid28029Spain
| | - Junlong Xiong
- Department of ChemistryThe Chinese University of Hong KongShatin, N.T.Hong KongChina
- Department of PharmacyThe Affiliated Luohu Hospital of Shenzhen UniversityShenzhen UniversityShenzhen518001China
| | - Alba García‐Fernández
- Instituto Interuniversitario de Investigación de ReconocimientoMolecular y Desarrollo TecnológicoUniversitat Politècnica de ValènciaUniversitat de ValènciaValencia46022Spain
- Unidad Mixta UPV‐CIPF de Investigación en Mecanismos de Enfermedades y NanomedicinaUniversitat Politècnica de València, Centro de Investigación Príncipe FelipeValencia46012Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER‐BBN)Instituto de Salud Carlos IIIMadrid28029Spain
| | - Ramón Martínez‐Máñez
- Instituto Interuniversitario de Investigación de ReconocimientoMolecular y Desarrollo TecnológicoUniversitat Politècnica de ValènciaUniversitat de ValènciaValencia46022Spain
- Unidad Mixta de Investigación en Nanomedicina y SensoresUniversitat Politècnica e València, Instituto de Investigación Sanitaria La Fe (IIS La Fe)Valencia46026Spain
- Unidad Mixta UPV‐CIPF de Investigación en Mecanismos de Enfermedades y NanomedicinaUniversitat Politècnica de València, Centro de Investigación Príncipe FelipeValencia46012Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER‐BBN)Instituto de Salud Carlos IIIMadrid28029Spain
| | - Dennis K. P. Ng
- Department of ChemistryThe Chinese University of Hong KongShatin, N.T.Hong KongChina
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3
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Luo C, Nakagawa M, Sumi Y, Matsushima Y, Uemura M, Honda Y, Matsumoto N. Detection of senescent cells in the mucosal healing process on type 2 diabetic rats after tooth extraction for biomaterial development. Dent Mater J 2024; 43:430-436. [PMID: 38644214 DOI: 10.4012/dmj.2023-262] [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] [Indexed: 04/23/2024]
Abstract
The delayed mucosal healing of tooth extraction sockets in diabetes has few known effective treatment strategies, and its underlying mechanism remains unknown. Senescent cells may play a pivotal role in this delay, given the well-established association between diabetes, senescent cells, and wound healing. Here, we demonstrated an increase in p21- or p16-positive senescent cells in the epithelial and connective tissues of extraction sockets in type 2 diabetic rats compared to those in control rats. Between 7 and 14 days after tooth extraction, a decrease in senescent cells and improvement in re-epithelialization failure were observed in the epithelium, while an increase in senescent cells and persistence of inflammation were observed in the connective tissue. These results suggest that cellular senescence may have been induced by diabetes and contributed to delayed mucosal healing by suppressing re-epithelization and persistent inflammation. These findings provide new targets for treatment using biomaterials, cells, and drugs.
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Affiliation(s)
- Chuyi Luo
- Department of Orthodontics, Osaka Dental University
| | | | - Yoichi Sumi
- Department of Anatomy, Osaka Dental University
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Zhang K, Wang Y, Cui X, Wang W, Li Y. Features of Metabolite Changes in Disease Evolution in Cholecystolithiasis. Dig Dis Sci 2024; 69:275-288. [PMID: 37943386 PMCID: PMC10787879 DOI: 10.1007/s10620-023-08134-6] [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: 07/26/2023] [Accepted: 09/28/2023] [Indexed: 11/10/2023]
Abstract
BACKGROUND Cholecystolithiasis is defined as a disease caused by complex and changeable factors. Advanced age, female sex, and a hypercaloric diet rich in carbohydrates and poor in fiber, together with obesity and genetic factors, are the main factors that may predispose people to choledocholithiasis. However, serum biomarkers for the rapid diagnosis of choledocholithiasis remain unclear. AIMS This study was designed to explore the pathogenesis of cholecystolithiasis and identify the possible metabolic and lipidomic biomarkers for the diagnosis of the disease. METHODS Using UHPLC-MS/MS and GC-MS, we detected the serum of 28 cholecystolithiasis patients and 19 controls. Statistical analysis of multiple variables included Principal Component Analysis (PCA). Visualization of differential metabolites was performed using volcano plots. The screened differential metabolites were further analyzed using clustering heatmaps. The quality of the model was assessed using random forests. RESULTS In this study, dramatically altered lipid homeostasis was detected in cholecystolithiasis group. In addition, the levels of short-chain fatty acids and amino acids were noticeably changed in patients with cholecystolithiasis. They detected higher levels of FFA.18.1, FFA.20.1, LPC16.0, and LPC20.1, but lower levels of 1-Methyl-L-histidine and 4-Hydroxyproline. In addition, glycine and L-Tyrosine were higher in choledocholithiasis group. Analyses of metabolic serum in affected patients have the potential to develop an integrated metabolite-based biomarker model that can facilitate the early diagnosis and treatment of the disease. CONCLUSION Our results highlight the value of integrating lipid, amino acid, and short-chain fatty acid to explore the pathophysiology of cholecystolithiasis disease, and consequently, improve clinical decision-making.
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Affiliation(s)
- Kun Zhang
- Shanghai Biotree Biotech Co. Ltd., Shanghai, China
- Institute of Basic Medical Sciences, The Second Hospital of Shandong University, Shandong, 250033, China
| | - Yongzheng Wang
- Department of Interventional, The Second Hospital of Shandong University, Shandong, 250033, China
| | - Xiaoxuan Cui
- Shanghai Biotree Biotech Co. Ltd., Shanghai, China
| | - Wei Wang
- Department of Interventional, The Second Hospital of Shandong University, Shandong, 250033, China.
| | - Yuliang Li
- Department of Interventional, The Second Hospital of Shandong University, Shandong, 250033, China
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Hirai S, Takahashi H, Tanaka A. Examination of age-related changes in the submandibular glands of male mice. Odontology 2024; 112:83-90. [PMID: 37002433 DOI: 10.1007/s10266-023-00810-3] [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: 12/15/2022] [Accepted: 03/24/2023] [Indexed: 04/03/2023]
Abstract
Salivary gland hypofunction adversely affects the oral environment and daily life by causing dry mouth (xerostomia). Senescence-related atrophy of salivary gland tissues is one cause of xerostomia, and it is particularly common among the elderly. However, the underlying mechanism is poorly understood, and no treatment has been established. Therefore, we examined age-related changes in senescence-associated secretory phenotype (SASP) factors, which regulate stemness and cellular senescence, in mouse submandibular glands. We analyzed the submandibular glands of 6-week-old (young group, n = 6) and 82-week-old mice (aged group, n = 6). We performed salivary flow rate measurements, histological analysis including immunohistochemistry, and quantitative real-time PCR. The salivary flow rate was significantly lower in the aged group than in the young group. In addition, immunostaining and quantitative real-time PCR illustrated that aquaporin-5 and α-amylase expressions were significantly decreased in aged mice, indicating salivary gland hypofunction. c-Kit and cytokeratin 5 expressions were also significantly decreased in this group, suggesting that the regenerative abilities of the submandibular glands were reduced because of decreased stem and progenitor cell counts. Furthermore, the levels of p16INK4a and p21 (the senescence markers) and TGF-β1 and IL-6 (SASP factors) were significantly increased in mice, suggesting that senescence had been promoted. The decreased numbers of stem and progenitor cells and increased levels of SASP factors might be associated with age-related changes in mouse submandibular glands. These results might facilitate the development of treatments for senescence-related submandibular gland hypofunction.
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Affiliation(s)
- Satoru Hirai
- The Course of Clinical Science, Field of Oral and Maxillofacial Surgery and Systemic Medicine, Oral and Maxillofacial Surgery, Graduate School of Life Dentistry at Niigata, The Nippon Dental University, 1-8 Hamaura-cho, Chuo-ku, Niigata, 951-8580, Japan.
| | - Haruka Takahashi
- Department of Oral and Maxillofacial Surgery, School of Life Dentistry at Niigata, The Nippon Dental University, 1-8 Hamaura-cho, Chuo-ku, Niigata, 951-8580, Japan
| | - Akira Tanaka
- The Course of Clinical Science, Field of Oral and Maxillofacial Surgery and Systemic Medicine, Oral and Maxillofacial Surgery, Graduate School of Life Dentistry at Niigata, The Nippon Dental University, 1-8 Hamaura-cho, Chuo-ku, Niigata, 951-8580, Japan
- Department of Oral and Maxillofacial Surgery, School of Life Dentistry at Niigata, The Nippon Dental University, 1-8 Hamaura-cho, Chuo-ku, Niigata, 951-8580, Japan
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Dyachkova U, Vigovskiy M, Basalova N, Efimenko A, Grigorieva O. M2-Macrophage-Induced Chronic Inflammation Promotes Reversible Mesenchymal Stromal Cell Senescence and Reduces Their Anti-Fibrotic Properties. Int J Mol Sci 2023; 24:17089. [PMID: 38069411 PMCID: PMC10707628 DOI: 10.3390/ijms242317089] [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: 10/04/2023] [Revised: 11/29/2023] [Accepted: 11/30/2023] [Indexed: 12/18/2023] Open
Abstract
Fibrosis and the associated decline in organ functionality lead to an almost 50% mortality rate in developed countries. Multipotent mesenchymal stromal cells (MSC) were shown to suppress the development and progression of fibrosis through secreted factors including specific non-coding RNAs transferred within extracellular vesicles (EV). However, age-associated chronic inflammation can provoke MSC senescence and change secretome composition, thereby affecting their antifibrotic properties. Alternatively activated macrophages (M2-type) are key players in chronic inflammation that may interact with MSC through paracrine mechanisms and decrease their antifibrotic functions. To confirm this hypothesis, we evaluated the M2-macrophage conditioned medium (CM-M2) effect on human adipose-tissue-derived MSC senescence in vitro. We found that CM-M2, as well as a pro-senescence agent, hydrogen peroxide (H2O2), increased p21+-MSC number and secretion of IL-6 and MCP-1, which are considered main senescence-associated secretory phenotype (SASP) components. Thus, both exposures led to the senescent phenotype acquisition of MSC. EV from both CM-M2 and H2O2-exposed MSC, which showed a decreased effect on the suppression of TGFβ-induced fibroblast-to-myofibroblast differentiation compared to EV from control MSC according to αSMA level and the αSMA+-stress fiber reduction. After two weeks of subsequent cultivation under standard conditions, MSC demonstrated a decrease in senescence hallmarks and fibroblast differentiation suppression via EV. These results suggest that M2-macrophage-induced chronic inflammation can reversibly induce MSC senescence, which reduces the MSC's ability to inhibit fibroblast-to-myofibroblast differentiation.
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Affiliation(s)
- Uliana Dyachkova
- Faculty of Medicine, Lomonosov Moscow State University, 119991 Moscow, Russia; (U.D.); (M.V.); (N.B.); (A.E.)
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 119992 Moscow, Russia
| | - Maksim Vigovskiy
- Faculty of Medicine, Lomonosov Moscow State University, 119991 Moscow, Russia; (U.D.); (M.V.); (N.B.); (A.E.)
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 119992 Moscow, Russia
| | - Nataliya Basalova
- Faculty of Medicine, Lomonosov Moscow State University, 119991 Moscow, Russia; (U.D.); (M.V.); (N.B.); (A.E.)
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 119992 Moscow, Russia
| | - Anastasia Efimenko
- Faculty of Medicine, Lomonosov Moscow State University, 119991 Moscow, Russia; (U.D.); (M.V.); (N.B.); (A.E.)
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 119992 Moscow, Russia
| | - Olga Grigorieva
- Faculty of Medicine, Lomonosov Moscow State University, 119991 Moscow, Russia; (U.D.); (M.V.); (N.B.); (A.E.)
- Institute for Regenerative Medicine, Medical Research and Education Center, Lomonosov Moscow State University, 119992 Moscow, Russia
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Zheng YY, Hu ZN, Liu Z, Jiang YC, Guo RP, Ding SJ, Zhou GH. The Effect of Long-Term Passage on Porcine SMCs' Function and the Improvement of TGF-β1 on Porcine SMCs' Secretory Function in Late Passage. Foods 2023; 12:2682. [PMID: 37509774 PMCID: PMC10378609 DOI: 10.3390/foods12142682] [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: 06/08/2023] [Revised: 07/03/2023] [Accepted: 07/07/2023] [Indexed: 07/30/2023] Open
Abstract
Cultured meat is one of the meat substitutes produced through tissue engineering and other technologies. Large-scale cell culture is the key for cultured meat products to enter the market. Therefore, this study is aimed to explore the effect of long-term passage in vitro on smooth muscle cells (SMCs) and the effect of transforming growth factor-β1 (TGF-β1) on SMCs in the late passage. Multiple passages lead to the decline of the proliferation rate of SMCs in the proliferation stage and the differentiation ability in the differentiation stage. Transcriptome results showed that the ECM pathway and aging-related signaling pathways were significantly up-regulated in the late passage period. TGF-β1 did not promote SMCs of late passage proliferation at the proliferation stage but promoted the gene and protein expression of collagen as the main protein of the extracellular matrix proteins at the differentiation stage. In addition, proteomic analysis revealed that TGF-β1 promoted the expression of cell adhesion molecules which activate the Hippo signaling pathway and the HIF-1 signaling pathway and further promoted the production of collagen-containing extracellular matrix proteins. This could provide ideas for large-scale production of cultured meat products using SMCs.
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Affiliation(s)
- Yan-Yan Zheng
- National Center of Meat Quality and Safety Nanjing, Key Laboratory of Meat Processing and Quality Control, Key Laboratory of Meat Processing, Nanjing 210095, China
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Ze-Nan Hu
- National Center of Meat Quality and Safety Nanjing, Key Laboratory of Meat Processing and Quality Control, Key Laboratory of Meat Processing, Nanjing 210095, China
| | - Zheng Liu
- National Center of Meat Quality and Safety Nanjing, Key Laboratory of Meat Processing and Quality Control, Key Laboratory of Meat Processing, Nanjing 210095, China
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Yi-Chen Jiang
- National Center of Meat Quality and Safety Nanjing, Key Laboratory of Meat Processing and Quality Control, Key Laboratory of Meat Processing, Nanjing 210095, China
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Ren-Peng Guo
- National Center of Meat Quality and Safety Nanjing, Key Laboratory of Meat Processing and Quality Control, Key Laboratory of Meat Processing, Nanjing 210095, China
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Shi-Jie Ding
- National Center of Meat Quality and Safety Nanjing, Key Laboratory of Meat Processing and Quality Control, Key Laboratory of Meat Processing, Nanjing 210095, China
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Guang-Hong Zhou
- National Center of Meat Quality and Safety Nanjing, Key Laboratory of Meat Processing and Quality Control, Key Laboratory of Meat Processing, Nanjing 210095, China
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
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8
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Kakuda T, Suzuki J, Matsuoka Y, Kikugawa T, Saika T, Yamashita M. Senescent CD8 + T cells acquire NK cell-like innate functions to promote antitumor immunity. Cancer Sci 2023. [PMID: 37186472 DOI: 10.1111/cas.15824] [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: 10/18/2022] [Revised: 04/03/2023] [Accepted: 04/06/2023] [Indexed: 05/17/2023] Open
Abstract
It has been suggested that aging of the immune system (immunosenescence) results in a decline in the acquired immune response, which is associated with an increase in age-related tumorigenesis. T-cell senescence plays a critical role in immunosenescence and is involved in the age-related decline of the immune function, which increases susceptibility to certain cancers. However, it has been shown that CD8+ T cells with the senescent T-cell phenotype acquire an natural killer (NK) cell-like function and are involved in tumor elimination. Therefore, the role of senescent CD8+ T cells in tumor immunity remains to be elucidated. In this study, we investigated the role of senescent CD8+ T cells in tumor immunity. In a murine model of transferred with B16 melanoma, lung metastasis was significantly suppressed in aged mice (age ≥30 weeks) in comparison to young mice (age 6-10 weeks). We evaluated the cytotoxic activity of CD8+ T cells in vitro and found that CD8+ T cells from aged mice activated in vitro exhibited increased cytotoxic activity in comparison to those from young mice. We used Menin-deficient effector T cells as a model for senescent CD8+ T cells and found that cytotoxic activity and the expression of NK receptors were upregulated in Menin-deficient senescent CD8+ T cells. Furthermore, Menin-deficient CD8+ T cells can eliminate tumor cells in an antigen-independent manner. These results suggest that senescent effector CD8+ T cells may contribute to tumor immunity in the elderly by acquiring NK-like innate immune functions, such as antigen-independent cytotoxic activity.
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Affiliation(s)
- Toshio Kakuda
- Department of Urologye, Graduate School of Medicin, Ehime University, Toon, Japan
- Department of Immunology, Graduate School of Medicine, Ehime University, Toon, Japan
| | - Junpei Suzuki
- Department of Immunology, Graduate School of Medicine, Ehime University, Toon, Japan
| | - Yuko Matsuoka
- Translational Research Center, Ehime University Hospital, Ehime University, Toon, Japan
| | - Tadahiko Kikugawa
- Department of Urologye, Graduate School of Medicin, Ehime University, Toon, Japan
| | - Takashi Saika
- Department of Urologye, Graduate School of Medicin, Ehime University, Toon, Japan
| | - Masakatsu Yamashita
- Department of Immunology, Graduate School of Medicine, Ehime University, Toon, Japan
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9
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Xiong J, Cheung YK, Fong WP, Wong CTT, Ng DKP. Selective photodynamic eradication of senescent cells with a β-galactosidase-activated photosensitiser. Chem Commun (Camb) 2023; 59:3471-3474. [PMID: 36877479 DOI: 10.1039/d2cc06661k] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
A β-galactosidase-responsive photosensitiser has been designed and synthesised. It contains a galactosyl substrate, a boron dipyrromethene-based photosensitising unit and a black hole quencher 2 connected via an AB2-type self-immolative linker. This novel photosensitiser can be selectively activated by the senescence-associated β-galactosidase in senescent cells, leading to restoration in fluorescence emission and effective killing of the cells via photodynamic action.
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Affiliation(s)
- Junlong Xiong
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China.
| | - Ying-Kit Cheung
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China
| | - Wing-Ping Fong
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China
| | - Clarence T T Wong
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China.
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
| | - Dennis K P Ng
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China.
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10
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Yang L, Liu G, Chen Q, Wan Y, Liu Z, Zhang J, Huang C, Xu Z, Li S, Lee CS, Zhang L, Sun H. An Activatable NIR Probe for the Detection and Elimination of Senescent Cells. Anal Chem 2022; 94:5425-5431. [PMID: 35319866 DOI: 10.1021/acs.analchem.2c00239] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Cellular senescence is involved in diverse physiological processes. Accumulation of senescent cells can lead to numerous age-related diseases. Therefore, it is of great significance to develop chemical tools to effectively detect and eliminate senescent cells. Till date, a dual functional probe that could detect and eliminate senescent cells has yet been accomplished. Herein, a β-gal-activated probe, MB-βgal, based on the methylene blue (MB) fluorophore, was designed to detect and eliminate senescent cells. In the absence of β-gal, the probe showed no fluorescence and its 1O2 production efficiency was suppressed simultaneously. On the other hand, MB-βgal could be specifically activated by the high level of β-gal in senescent cells, thus, releasing free MB with near-infrared (NIR) fluorescence and high 1O2 production efficiency under light irradiation. MB-βgal demonstrated a fast response, high sensitivity, and high selectivity in detecting β-gal in an aqueous solution and was further applied to visualization and ablation of senescent cells. As a proof of concept, the dual functions of MB-βgal were successfully demonstrated in senescent HeLa cells and mouse embryonic fibroblast cells.
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Affiliation(s)
- Liu Yang
- College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, People's Republic of China.,Department of Chemistry and COSDAF (Centre of Super-Diamond and Advanced Films), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong 999077, China.,Key Laboratory of Biochip Technology, Biotech and Health Centre, Shenzhen Research Institute of City University of Hong Kong, Shenzhen, 518057, People's Republic of China
| | - Guopan Liu
- Key Laboratory of Biochip Technology, Biotech and Health Centre, Shenzhen Research Institute of City University of Hong Kong, Shenzhen, 518057, People's Republic of China.,Department of Biomedical Sciences, College of Veterinary Medicine and Life Sciences, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong 999077, China
| | - Qingxin Chen
- Department of Chemistry and COSDAF (Centre of Super-Diamond and Advanced Films), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong 999077, China.,Key Laboratory of Biochip Technology, Biotech and Health Centre, Shenzhen Research Institute of City University of Hong Kong, Shenzhen, 518057, People's Republic of China
| | - Yingpeng Wan
- Department of Chemistry and COSDAF (Centre of Super-Diamond and Advanced Films), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong 999077, China
| | - Zhiyang Liu
- Department of Chemistry and COSDAF (Centre of Super-Diamond and Advanced Films), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong 999077, China.,Key Laboratory of Biochip Technology, Biotech and Health Centre, Shenzhen Research Institute of City University of Hong Kong, Shenzhen, 518057, People's Republic of China
| | - Jie Zhang
- Department of Chemistry and COSDAF (Centre of Super-Diamond and Advanced Films), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong 999077, China.,Key Laboratory of Biochip Technology, Biotech and Health Centre, Shenzhen Research Institute of City University of Hong Kong, Shenzhen, 518057, People's Republic of China
| | - Chen Huang
- Department of Chemistry and COSDAF (Centre of Super-Diamond and Advanced Films), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong 999077, China.,Key Laboratory of Biochip Technology, Biotech and Health Centre, Shenzhen Research Institute of City University of Hong Kong, Shenzhen, 518057, People's Republic of China
| | - Zhiqiang Xu
- Key Laboratory for Green Chemical Process of Ministry of Education, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan, 430205, People's Republic of China
| | - Shengliang Li
- Department of Chemistry and COSDAF (Centre of Super-Diamond and Advanced Films), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong 999077, China.,College of Pharmaceutical Sciences, Soochow University Suzhou, 215123, People's Republic of China
| | - Chun-Sing Lee
- Department of Chemistry and COSDAF (Centre of Super-Diamond and Advanced Films), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong 999077, China
| | - Liang Zhang
- Key Laboratory of Biochip Technology, Biotech and Health Centre, Shenzhen Research Institute of City University of Hong Kong, Shenzhen, 518057, People's Republic of China.,Department of Biomedical Sciences, College of Veterinary Medicine and Life Sciences, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong 999077, China
| | - Hongyan Sun
- Department of Chemistry and COSDAF (Centre of Super-Diamond and Advanced Films), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong 999077, China.,Key Laboratory of Biochip Technology, Biotech and Health Centre, Shenzhen Research Institute of City University of Hong Kong, Shenzhen, 518057, People's Republic of China
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Haraoka Y, Akieda Y, Nagai Y, Mogi C, Ishitani T. Zebrafish imaging reveals TP53 mutation switching oncogene-induced senescence from suppressor to driver in primary tumorigenesis. Nat Commun 2022; 13:1417. [PMID: 35304872 PMCID: PMC8933407 DOI: 10.1038/s41467-022-29061-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 02/24/2022] [Indexed: 01/10/2023] Open
Abstract
Most tumours are thought to arise through oncogenic cell generation followed by additional mutations. How a new oncogenic cell primes tumorigenesis by acquiring additional mutations remains unclear. We show that an additional TP53 mutation stimulates primary tumorigenesis by switching oncogene-induced senescence from a tumour suppressor to a driver. Zebrafish imaging reveals that a newly emerged oncogenic cell with the RasG12V mutation becomes senescent and is eliminated from the epithelia, which is prevented by adding a TP53 gain-of-function mutation (TP53R175H) into RasG12V cells. Surviving RasG12V-TP53R175H double-mutant cells senesce and secrete senescence-associated secretory phenotype (SASP)-related inflammatory molecules that convert neighbouring normal cells into SASP factor-secreting senescent cells, generating a heterogeneous tumour-like cell mass. We identify oncogenic cell behaviours that may control the initial human tumorigenesis step. Ras and TP53 mutations and cellular senescence are frequently detected in human tumours; similar switching may occur during the initial step of human tumorigenesis. It is unclear how a single oncogenic cell primes tumorigenesis. Here the authors visualised this behaviour using a zebrafish larval skin as a model and show that RasG12V oncogenic cell is eliminated through oncogene-senescence while a gain of function mutation in p53 alters this behaviour from tumour suppressive to tumour promoting.
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Affiliation(s)
- Yukinari Haraoka
- Department of Homeostatic Regulation, Division of Cellular and Molecular Biology, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Yuki Akieda
- Department of Homeostatic Regulation, Division of Cellular and Molecular Biology, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Yuri Nagai
- Department of Homeostatic Regulation, Division of Cellular and Molecular Biology, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Chihiro Mogi
- Institute for Molecular & Cellular Regulation, Gunma University, Gunma, 371-8512, Japan
| | - Tohru Ishitani
- Department of Homeostatic Regulation, Division of Cellular and Molecular Biology, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, 565-0871, Japan. .,Institute for Molecular & Cellular Regulation, Gunma University, Gunma, 371-8512, Japan. .,Center for Infectious Disease Education and Research (CiDER), Osaka University, Suita, Osaka, 565-0871, Japan.
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12
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Qi J, Ouyang Z. Targeting CDK4/6 for Anticancer Therapy. Biomedicines 2022; 10:685. [PMID: 35327487 PMCID: PMC8945444 DOI: 10.3390/biomedicines10030685] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 03/10/2022] [Accepted: 03/14/2022] [Indexed: 12/26/2022] Open
Abstract
Cyclin-dependent kinase 4/6 (CDK4/6) are key regulators of the cell cycle and are deemed as critical therapeutic targets of multiple cancers. Various approaches have been applied to silence CDK4/6 at different levels, i.e., CRISPR to knock out at the DNA level, siRNA to inhibit translation, and drugs that target the protein of interest. Here we summarize the current status in this field, highlighting the mechanisms of small molecular inhibitors treatment and drug resistance. We describe approaches to combat drug resistance, including combination therapy and PROTACs drugs that degrade the kinases. Finally, critical issues and perspectives in the field are outlined.
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Affiliation(s)
- Jiating Qi
- The Second Clinical College, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China;
| | - Zhuqing Ouyang
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
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13
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Malvezzi H, Dobo C, Filippi RZ, Mendes do Nascimento H, Palmieri da Silva e Sousa L, Meola J, Piccinato CA, Podgaec S. Altered p16 Ink4a, IL-1β, and Lamin b1 Protein Expression Suggest Cellular Senescence in Deep Endometriotic Lesions. Int J Mol Sci 2022; 23:2476. [PMID: 35269619 PMCID: PMC8910415 DOI: 10.3390/ijms23052476] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 01/26/2022] [Accepted: 01/31/2022] [Indexed: 01/10/2023] Open
Abstract
Endometriosis causes immunological and cellular alterations. Endometriosis lesions have lower levels of lamin b1 than the endometrium. Moreover, high levels of pro-inflammatory markers are observed in the peritoneal fluid, follicular fluid, and serum in endometriosis lesions. Thus, we hypothesized that the accumulation of senescent cells in endometriosis tissues would facilitate endometriosis maintenance in an inflammatory microenvironment. To study senescent cell markers and the senescence-associated secretory phenotype (SASP) in endometriosis lesions, we conducted a cross-sectional study with 27 patients undergoing video laparoscopy for endometriosis resection and 19 patients without endometriosis. Endometriosis lesions were collected from patients with endometriosis, while eutopic endometrium was collected from patients both with and without endometriosis. Tissues were evaluated for senescence markers (p16Ink4a, lamin b1, and IL-1β) and interleukin concentrations. The expression of p16Ink4a increased in lesions compared to that in eutopic endometrium from endometriosis patients in the secretory phase. In the proliferative phase, lesions exhibited lower lamin b1 expression but higher IL-4 expression than the eutopic endometrium. Further, IL-1β levels were higher in the lesions than in the eutopic endometrium in both the secretory and proliferative phases. We believe that our findings may provide targets for better therapeutic interventions to alleviate the symptoms of endometriosis.
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Affiliation(s)
- Helena Malvezzi
- Hospital Israelita Albert Einstein, Av. Albert Einstein 627, Morumbi 05652-900, SP, Brazil; (C.D.); (R.Z.F.); (H.M.d.N.); (L.P.d.S.e.S.); (C.A.P.); (S.P.)
| | - Cristine Dobo
- Hospital Israelita Albert Einstein, Av. Albert Einstein 627, Morumbi 05652-900, SP, Brazil; (C.D.); (R.Z.F.); (H.M.d.N.); (L.P.d.S.e.S.); (C.A.P.); (S.P.)
| | - Renee Zon Filippi
- Hospital Israelita Albert Einstein, Av. Albert Einstein 627, Morumbi 05652-900, SP, Brazil; (C.D.); (R.Z.F.); (H.M.d.N.); (L.P.d.S.e.S.); (C.A.P.); (S.P.)
| | - Helen Mendes do Nascimento
- Hospital Israelita Albert Einstein, Av. Albert Einstein 627, Morumbi 05652-900, SP, Brazil; (C.D.); (R.Z.F.); (H.M.d.N.); (L.P.d.S.e.S.); (C.A.P.); (S.P.)
| | - Laura Palmieri da Silva e Sousa
- Hospital Israelita Albert Einstein, Av. Albert Einstein 627, Morumbi 05652-900, SP, Brazil; (C.D.); (R.Z.F.); (H.M.d.N.); (L.P.d.S.e.S.); (C.A.P.); (S.P.)
| | - Juliana Meola
- School of Medicine of Ribeirão Preto, University of São Paulo, Gynecology and Obstetrics, Av. Bandeirantes, 3900, Vila Monte Alegre 14049-900, SP, Brazil;
| | - Carla Azevedo Piccinato
- Hospital Israelita Albert Einstein, Av. Albert Einstein 627, Morumbi 05652-900, SP, Brazil; (C.D.); (R.Z.F.); (H.M.d.N.); (L.P.d.S.e.S.); (C.A.P.); (S.P.)
| | - Sérgio Podgaec
- Hospital Israelita Albert Einstein, Av. Albert Einstein 627, Morumbi 05652-900, SP, Brazil; (C.D.); (R.Z.F.); (H.M.d.N.); (L.P.d.S.e.S.); (C.A.P.); (S.P.)
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14
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Chang-Chien J, Huang JL, Tsai HJ, Wang SL, Kuo ML, Yao TC. Particulate matter causes telomere shortening and increase in cellular senescence markers in human lung epithelial cells. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 222:112484. [PMID: 34237641 DOI: 10.1016/j.ecoenv.2021.112484] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 06/29/2021] [Accepted: 06/30/2021] [Indexed: 06/13/2023]
Abstract
Exposure to particulate matter (PM) has been associated with DNA damage, but the relationships between PM, telomere length and cellular senescence remain unclear. This study aimed to investigate the effects and potential mechanisms of PM on telomere length and cellular senescence in human lung epithelial cells. Human lung epithelial A549 cells were exposed to PM for 24 h. Cell viability and cytotoxicity were measured by the WST-1 assay and the lactate dehydrogenase release, respectively. Cellular uptake of PM was observed using transmission electron microscopy. Telomere length was measured using qPCR and expressed as T/S ratio. Cell cycle progression was analyzed by flow cytometry. Expression of human telomerase reverse transcriptase (hTERT) and cell cycle regulators was measured using mRNA by qPCR and protein levels by Western blot. Cellular senescence was determined by the expression of senescence-associated β-galactosidase (SA-β-Gal) with fluorescent microscopy and flow cytometry. Exposed to PM at the concentration of 200 μg/ml decreased cell viability and increased LDH levels in culture medium. Remarkably increased uptake of PM, shortening of telomere length, induction of G0/G1 phase arrest, and increased expression of senescence hallmarks were observed after exposure to PM in A549 cells. PM exposure induced upregulation of p21 and downregulation of proliferating cell nuclear antigen (PCNA) and hTERT expression, but no significant change in p53 expression, in A549 cells. Overall, exposure to PM may downregulate hTERT and PCNA through p53-independent induction of p21 expression, leading to telomere shortening, G0/G1 arrest and the onset of cellular senescence in human lung epithelial cells.
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Affiliation(s)
- Ju Chang-Chien
- Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, 5 Fu-Hsin Street, Kweishan, Taoyuan 33305, Taiwan
| | - Jing-Long Huang
- School of Medicine, Chang Gung University College of Medicine, Taoyuan, Taiwan; Department of Pediatrics, New Taipei Municipal TuCheng Hospital, New Taipei, Taiwan; Community Medicine Research Center, Chang Gung Memorial Hospital at Keelung, Keelung, Taiwan
| | - Hui-Ju Tsai
- Institute of Population Health Sciences, National Health Research Institutes, Zhunan, Taiwan
| | - Shih-Ling Wang
- Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, 5 Fu-Hsin Street, Kweishan, Taoyuan 33305, Taiwan
| | - Ming-Ling Kuo
- Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, 5 Fu-Hsin Street, Kweishan, Taoyuan 33305, Taiwan; Department of Pediatrics, New Taipei Municipal TuCheng Hospital, New Taipei, Taiwan; Department of Microbiology and Immunology, Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, 259 Wenhua 1st Road, Kweishan, Taoyuan 33302, Taiwan.
| | - Tsung-Chieh Yao
- Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, 5 Fu-Hsin Street, Kweishan, Taoyuan 33305, Taiwan; School of Medicine, Chang Gung University College of Medicine, Taoyuan, Taiwan; Community Medicine Research Center, Chang Gung Memorial Hospital at Keelung, Keelung, Taiwan.
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15
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Feehan J, Tripodi N, Apostolopoulos V. The twilight of the immune system: The impact of immunosenescence in aging. Maturitas 2021; 147:7-13. [PMID: 33832647 DOI: 10.1016/j.maturitas.2021.02.006] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 02/18/2021] [Accepted: 02/23/2021] [Indexed: 12/22/2022]
Abstract
Cellular senescence is a critical part of human anti-tumor defence; however, the accumulation of senescent cells with age underpins a wide range of pathologies. Senescent change in immune cells, or immunosenescence, has a wide range of physiological effects and is at least partially responsible for many diseases associated with aging. Immunosenescence underpins inflammaging, increased vulnerability to infectious disease with age, malignant change in the elderly, and auto-immunity. Understanding the effects and mechanisms of immunosenescence will improve disease outcomes and prevention in older adults, and generate new treatments for common illnesses. In this review we summarize the key changes occurring in immunosenescence across each facet of the immune system, and identify their clinical correlates.
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Affiliation(s)
- Jack Feehan
- Institute for Health and Sport, Victoria University, Melbourne, VIC, Australia; Department of Medicine - Western Health, The University of Melbourne, Melbourne, VIC, Australia; The Australian Institute for Musculoskeletal Science, The University of Melbourne, Victoria University and Western Health, Melbourne, VIC, Australia.
| | - Nicholas Tripodi
- Institute for Health and Sport, Victoria University, Melbourne, VIC, Australia; The Australian Institute for Musculoskeletal Science, The University of Melbourne, Victoria University and Western Health, Melbourne, VIC, Australia
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16
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A Network Pharmacology Approach to Explore the Mechanisms of Artemisiae scopariae Herba for the Treatment of Chronic Hepatitis B. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:6614039. [PMID: 33623529 PMCID: PMC7875618 DOI: 10.1155/2021/6614039] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 01/07/2021] [Accepted: 01/19/2021] [Indexed: 02/07/2023]
Abstract
Background As a traditional Chinese medicine, Artemisiae scopariae Herba (ASH) is used to treat various liver diseases. The purpose of this study was to explore the mechanisms of ASH for treating chronic hepatitis B (CHB) using a network pharmacological method. Methods Bioactive ingredients and related targets of ASH were obtained from Traditional Chinese Medicine Systems Pharmacology (TCMSP) database. Gene names of targets were extracted from UniProt database. Differentially expressed genes (DEGs) of CHB were obtained from microarray dataset GSE83148. The intersect genes between DEGs and target genes were annotated using clusterProfiler package. The STRING database was used to obtain a network of protein-protein interactions. Cytoscape 3.7.2 was used to construct the “ingredient-gene-pathway” (IGP) network. Molecular docking studies were performed using Autodock vina. Results A total of 13 active components were extracted from TCMSP database. Fifteen intersect genes were obtained between 183 target genes and 403 DEGs of GSE83148. Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis results showed that ASH against CHB mainly involved in toll-like receptor signaling pathway, cellular senescence, hepatitis B, and chemokine signaling pathway. We screened one hub compound, five core targets, and four key pathways from constructed networks. The docking results indicated the strong binding activity between quercetin and AKT1. Conclusions This study provides potential molecular mechanisms of ASH against CHB based on exploration of network pharmacology.
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17
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Wang N, Wang Q, Du T, Gabriel ANA, Wang X, Sun L, Li X, Xu K, Jiang X, Zhang Y. The Potential Roles of Exosomes in Chronic Obstructive Pulmonary Disease. Front Med (Lausanne) 2021; 7:618506. [PMID: 33521025 PMCID: PMC7841048 DOI: 10.3389/fmed.2020.618506] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Accepted: 12/17/2020] [Indexed: 12/17/2022] Open
Abstract
Currently, chronic obstructive pulmonary disease (COPD) is one of the most common chronic lung diseases. Chronic obstructive pulmonary disease is characterized by progressive loss of lung function due to chronic inflammatory responses in the lungs caused by repeated exposure to harmful environmental stimuli. Chronic obstructive pulmonary disease is a persistent disease, with an estimated 384 million people worldwide living with COPD. It is listed as the third leading cause of death. Exosomes contain various components, such as lipids, microRNAs (miRNAs), long non-coding RNAs(lncRNAs), and proteins. They are essential mediators of intercellular communication and can regulate the biological properties of target cells. With the deepening of exosome research, it is found that exosomes are strictly related to the occurrence and development of COPD. Therefore, this review aims to highlight the unique role of immune-cell-derived exosomes in disease through complex interactions and their potentials as potential biomarkers new types of COPD.
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Affiliation(s)
- Nan Wang
- School of Public Health, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, China
| | - Qin Wang
- Department of Anesthesiology, Qilu Hospital, Shandong University, Jinan, China
| | - Tiantian Du
- Department of Clinical Laboratory, Cheeloo College of Medicine, The Second Hospital, Shandong University, Jinan, China
| | | | - Xue Wang
- Department of Pharmacy, Binzhou Medical University Hospital, Binzhou, China
| | - Li Sun
- School of Public Health, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, China
| | - Xiaomeng Li
- School of Public Health, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, China
| | - Kanghong Xu
- School of Public Health, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, China
| | - Xinquan Jiang
- School of Public Health, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, China
| | - Yi Zhang
- Respiratory and Critical Care Medicine Department, Qilu Hospital, Shandong University, Jinan, China
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18
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Bharadwaj U, Kasembeli MM, Robinson P, Tweardy DJ. Targeting Janus Kinases and Signal Transducer and Activator of Transcription 3 to Treat Inflammation, Fibrosis, and Cancer: Rationale, Progress, and Caution. Pharmacol Rev 2020; 72:486-526. [PMID: 32198236 PMCID: PMC7300325 DOI: 10.1124/pr.119.018440] [Citation(s) in RCA: 165] [Impact Index Per Article: 41.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Before it was molecularly cloned in 1994, acute-phase response factor or signal transducer and activator of transcription (STAT)3 was the focus of intense research into understanding the mammalian response to injury, particularly the acute-phase response. Although known to be essential for liver production of acute-phase reactant proteins, many of which augment innate immune responses, molecular cloning of acute-phase response factor or STAT3 and the research this enabled helped establish the central function of Janus kinase (JAK) family members in cytokine signaling and identified a multitude of cytokines and peptide hormones, beyond interleukin-6 and its family members, that activate JAKs and STAT3, as well as numerous new programs that their activation drives. Many, like the acute-phase response, are adaptive, whereas several are maladaptive and lead to chronic inflammation and adverse consequences, such as cachexia, fibrosis, organ dysfunction, and cancer. Molecular cloning of STAT3 also enabled the identification of other noncanonical roles for STAT3 in normal physiology, including its contribution to the function of the electron transport chain and oxidative phosphorylation, its basal and stress-related adaptive functions in mitochondria, its function as a scaffold in inflammation-enhanced platelet activation, and its contributions to endothelial permeability and calcium efflux from endoplasmic reticulum. In this review, we will summarize the molecular and cellular biology of JAK/STAT3 signaling and its functions under basal and stress conditions, which are adaptive, and then review maladaptive JAK/STAT3 signaling in animals and humans that lead to disease, as well as recent attempts to modulate them to treat these diseases. In addition, we will discuss how consideration of the noncanonical and stress-related functions of STAT3 cannot be ignored in efforts to target the canonical functions of STAT3, if the goal is to develop drugs that are not only effective but safe. SIGNIFICANCE STATEMENT: Key biological functions of Janus kinase (JAK)/signal transducer and activator of transcription (STAT)3 signaling can be delineated into two broad categories: those essential for normal cell and organ development and those activated in response to stress that are adaptive. Persistent or dysregulated JAK/STAT3 signaling, however, is maladaptive and contributes to many diseases, including diseases characterized by chronic inflammation and fibrosis, and cancer. A comprehensive understanding of JAK/STAT3 signaling in normal development, and in adaptive and maladaptive responses to stress, is essential for the continued development of safe and effective therapies that target this signaling pathway.
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Affiliation(s)
- Uddalak Bharadwaj
- Department of Infectious Diseases, Infection Control & Employee Health, Division of Internal Medicine (U.B., M.M.K., P.R., D.J.T.), and Department of Molecular and Cellular Oncology (D.J.T.), University of Texas, MD Anderson Cancer Center, Houston, Texas
| | - Moses M Kasembeli
- Department of Infectious Diseases, Infection Control & Employee Health, Division of Internal Medicine (U.B., M.M.K., P.R., D.J.T.), and Department of Molecular and Cellular Oncology (D.J.T.), University of Texas, MD Anderson Cancer Center, Houston, Texas
| | - Prema Robinson
- Department of Infectious Diseases, Infection Control & Employee Health, Division of Internal Medicine (U.B., M.M.K., P.R., D.J.T.), and Department of Molecular and Cellular Oncology (D.J.T.), University of Texas, MD Anderson Cancer Center, Houston, Texas
| | - David J Tweardy
- Department of Infectious Diseases, Infection Control & Employee Health, Division of Internal Medicine (U.B., M.M.K., P.R., D.J.T.), and Department of Molecular and Cellular Oncology (D.J.T.), University of Texas, MD Anderson Cancer Center, Houston, Texas
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19
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Saccà SC, Vernazza S, Iorio EL, Tirendi S, Bassi AM, Gandolfi S, Izzotti A. Molecular changes in glaucomatous trabecular meshwork. Correlations with retinal ganglion cell death and novel strategies for neuroprotection. PROGRESS IN BRAIN RESEARCH 2020; 256:151-188. [PMID: 32958211 DOI: 10.1016/bs.pbr.2020.06.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Glaucoma is a chronic neurodegenerative disease characterized by retinal ganglion cell loss. Although significant advances in ophthalmologic knowledge and practice have been made, some glaucoma mechanisms are not yet understood, therefore, up to now there is no effective treatment able to ensure healing. Indeed, either pharmacological or surgical approaches to this disease aim in lowering intraocular pressure, which is considered the only modifiable risk factor. However, it is well known that several factors and metabolites are equally (if not more) involved in glaucoma. Oxidative stress, for instance, plays a pivotal role in both glaucoma onset and progression because it is responsible for the trabecular meshwork cell damage and, consequently, for intraocular pressure increase as well as for glaucomatous damage cascade. This review at first shows accurately the molecular-derived dysfunctions in antioxidant system and in mitochondria homeostasis which due to both oxidative stress and aging, lead to a chronic inflammation state, the trabecular meshwork damage as well as the glaucoma neurodegeneration. Therefore, the main molecular events triggered by oxidative stress up to the proapoptotic signals that promote the ganglion cell death have been highlighted. The second part of this review, instead, describes some of neuroprotective agents such as polyphenols or polyunsaturated fatty acids as possible therapeutic source against the propagation of glaucomatous damage.
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Affiliation(s)
- Sergio C Saccà
- Policlinico San Martino University Hospital, Department of Neuroscience and sense organs, Ophthalmology Unit, Genoa, Italy.
| | | | | | - Sara Tirendi
- Department of Experimental Medicine (DIMES), University of Genoa, Genoa, Italy; Inter-University Center for the Promotion of the 3Rs Principles in Teaching & Research (Centro 3R), Pisa, Italy
| | - Anna Maria Bassi
- Department of Experimental Medicine (DIMES), University of Genoa, Genoa, Italy; Inter-University Center for the Promotion of the 3Rs Principles in Teaching & Research (Centro 3R), Pisa, Italy
| | - Stefano Gandolfi
- Ophthalmology Unit, Department of Biological, Biotechnological and Translational Sciences, University of Parma, Parma, Italy
| | - Alberto Izzotti
- Department of Experimental Medicine (DIMES), University of Genoa, Genoa, Italy; Mutagenesis Unit, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
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20
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Yang M, Jiang Z, Yao G, Wang Z, Sun J, Qin H, Zhao H. GALC Triggers Tumorigenicity of Colorectal Cancer via Senescent Fibroblasts. Front Oncol 2020; 10:380. [PMID: 32318333 PMCID: PMC7154132 DOI: 10.3389/fonc.2020.00380] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 03/04/2020] [Indexed: 12/14/2022] Open
Abstract
Colorectal cancer (CRC)-associated senescent fibroblasts may play a crucial role in tumor progression, but the mechanism remains unclear. In order to solve this complicated problem, we randomly collected 16 patients with CRC, who had been treated with oxaliplatin and capecitabine (XELOX). Hematoxylin-eosin (HE) staining revealed that the tumor-stroma ratio (TSR) of CRC was affected by XELOX treatment. Immunohistochemistry (IHC) and senescence-associated β-galactosidase (SAβG) staining were used to verify a stable model of senescent fibroblasts. IHC analysis showed that high expression levels of galactosylceramidase (GALC) and significant senescence-associated β-galactosidase (SAβG) staining were associated with CRC patient survival. We observed that fibroblasts overexpressing GALC underwent cell cycle arrest. Changes in cell morphology and cell cycle characteristics were accompanied by the upregulation of the p16, p21, and p53 gene, and the downregulation of hTERT expression. In a co-culture system, fibroblasts overexpressing GALC significantly increased the proliferation of CRC cells. Transmission electron microscopy (TEM) analysis confirmed that GALC overexpression fibroblasts co-cultured with CRC caused changes in CRC cell morphology. The aging fibroblast co-culture group (70%) had a higher migration ability. In vivo experiments and transcriptomics analysis were performed to verify the effect of senescent fibroblasts on tumor formation and to identify the potential mechanisms for the above results. We found that a high expression of ATF3 was related to good survival rates. However, a high expression of KIAA0907 was bad for survival rates (p < 0.05). The knockdown of ATF3 can promote cell proliferation, migration, and clonogenic assays, while downregulation of KIAA0907 inhibits cell proliferation, migration, and clonogenic assays. The results demonstrate that senescent fibroblasts with a high level of GALC regulated several aspects of the tumor growth process, including migration and invasion.
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Affiliation(s)
- Mengdi Yang
- Department of Internal Oncology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Zhiyuan Jiang
- Department of Internal Oncology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Guangyu Yao
- Department of Internal Oncology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Zhiyu Wang
- Department of Internal Oncology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Jing Sun
- Department of Internal Oncology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Huanlong Qin
- Department of Gastrointestinal Surgery, Shanghai Tenth People's Hospital Affiliated With Tongji University, Shanghai, China
| | - Hui Zhao
- Department of Internal Oncology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
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21
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Hadryś A, Sochanik A, McFadden G, Jazowiecka-Rakus J. Mesenchymal stem cells as carriers for systemic delivery of oncolytic viruses. Eur J Pharmacol 2020; 874:172991. [PMID: 32044323 DOI: 10.1016/j.ejphar.2020.172991] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 01/09/2020] [Accepted: 02/04/2020] [Indexed: 12/13/2022]
Abstract
Progress in genetic engineering led to the emergence of some viruses as potent anticancer therapeutics. These oncolytic viruses combine self-amplification with dual antitumor action: oncolytic (destruction of cancer cells) and immunostimulatory (eliciting acquired antitumor response against cancer epitopes). As any other viruses, they trigger antiviral response upon systemic administration. Mesenchymal stem cells are immature cells capable of self-renewing and differentiating into many cell types that belong to three germinal layers. Due to their inherent tumor tropism mesenchymal stem cells loaded with oncolytic virus can improve delivery of the therapeutic cargo to cancer sites. Shielding of oncolytic viral construct from antiviral host immune response makes these cells prospective delivery vehicles to even hard-to-reach metastatic neoplastic foci. Use of mesenchymal stem cells has been criticized by some investigators as limiting proliferative abilities of primary cells and increasing the risk of malignant transformation, as well as attenuating therapeutic responses. However, majority of preclinical studies indicate safety and efficacy of mesenchymal stem cells used as carriers of oncolytic viruses. In view of contradictory postulates, the debate continues. The review discusses mesenchymal stem cells as carriers for delivery of genetically engineered oncolytic constructs and focuses on systemic approach to oncoviral treatment of some deadly neoplasms.
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Affiliation(s)
- Agata Hadryś
- Maria Sklodowska-Curie National Research Institute of Oncology, Gliwice, Poland; Institute of Chemistry, University of Silesia, Poland.
| | - Aleksander Sochanik
- Maria Sklodowska-Curie National Research Institute of Oncology, Gliwice, Poland.
| | - Grant McFadden
- Biodesign Institute, Arizona State University, Tempe, AZ, USA.
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22
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Engelbrecht C, Sardinha LR, Rizzo LV. Cytokine and Chemokine Concentration in the Tear of Patients with Age-Related Cataract. Curr Eye Res 2020; 45:1101-1106. [PMID: 31928443 DOI: 10.1080/02713683.2020.1715445] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
PURPOSE The present study measured 41 soluble mediators in the tear of 19 patients with age-related cataract and 32 healthy adults as controls. MATERIALS AND METHODS This was a prospective, case-control study in which, using multiple immunoassays, we measured in tear samples the following molecules: EGF, FGF-2, Eotaxin, TGF-α, G-CSF, Flt-3L, GM-CSF, Fractalkine, IFN-α2, IFN-γ, GRO, IL-10, MCP-3, IL-12p40, MDC, IL-12p70, PDGF-AA, IL-13, PDGF-AB/BB, IL-15, sCD40L, IL-17a, IL-1ra, IL-1α, IL-9, IL-1β, IL-2, IL-3, IL-4, IL-5, IL-6, IL-7, IL-8, IP-10, MCP-1, MIP-1α, MIP-1β, RANTES, TNFα, TNFβ, VEGF. Statistical analyses were done by multiple adjusted models and p values were corrected by the Benjamini and Hochberg method. RESULTS We did not find significant differences in the amount of the tested molecules in the tear fluid between cataract patients and controls. Correlation analyses relative to age were carried out for both groups. Analysis of MCP-1 tear levels revealed a direct correlation with age for normal healthy controls as well as for cataract patients. But IL-6 tear levels correlated with age only in the group of cataract patients. In addition, IL1-ra tear levels correlated with cataract nuclear grade; higher grades were associated with higher IL-1ra concentrations. CONCLUSIONS Our results suggest that ocular aging is accompanied by increased production of IL-6 and MCP-1, which can be measured in tear fluid. ABBREVIATIONS AMD: Age-Related Macular Degeneration; EGF: Epidermal growth factor; Eotaxin: Eosinophil chemotactic proteins; FasL: Fas ligand; FGF-2: Basic fibroblast growth factor 2; Flt-3L: Fms related tyrosine kinase 3 ligand; G-CSF: Granulocyte colony stimulating factor; GM-CSF: Granulocyte macrophage colony stimulating factor; GRO: Growth regulated protein; HGF: Human growth factor; ICAM-1: Intercellular adhesion molecule-1; IFNα2: Interferon alpha 2; IFNγ: Interferon gamma; IL: Interleukin; IL-1ra: Interleukin-1 receptor antagonist; IL-12p40: Interleukin-12 subunit p40; IL-12p70: Interleukin-12 subunit p70; IP-10: Interferon gamma-induced protein 10; MCP-1: Monocyte chemotactic protein 1; MCP-3: Monocyte chemotactic protein 3; MDC: Macrophage derived chemokine; MIG: Monokine induced by gamma interferon; MIP-1α: Macrophage inflammatory proteins 1 alpha; MIP-1β: Macrophage inflammatory proteins 1 beta; MMPs: Matrix metalloproteinases; MMP-9: Matrix metalloproteinase 9; PAI1: Plasminogen activator inhibitor 1; PDGF-AA: Platelet-derived growth factor subunit AA; PDGF-AB/BB: Platelet-derived growth factor subunit AB and BB; PIGF: Placenta growth factor; RANTES: Regulated on activation, normal T cell expressed and secreted; SAA: Serum amyloid A; sCD40L: Soluble CD40 ligand; sTNF-RII: Soluble tumor necrosis factor receptor; TBUT Tear breakup time; TGF-α: Transforming growth factor alpha; TGF-β: Transforming growth factor beta; TNFα: Tumor necrosis factor alpha; TNFβ: Tumor necrosis factor beta; VCAM: Vascular cell adhesion molecule; VEGF: Vascular endothelium growth factor.
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23
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Ohigashi T, Kanno K, Sugiyama A, Nguyen PT, Kishikawa N, Otani Y, Kobayashi T, Matsuo H, Tazuma S. Protective effect of phosphatidylcholine on lysophosphatidylcholine‐induced cellular senescence in cholangiocyte. JOURNAL OF HEPATO-BILIARY-PANCREATIC SCIENCES 2019; 26:568-577. [DOI: 10.1002/jhbp.684] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Toshikazu Ohigashi
- Department of Pharmaceutical Services Hiroshima University Hospital Hiroshima Japan
| | - Keishi Kanno
- Department of General Internal Medicine Hiroshima University Hospital 1‐2‐3 Kasumi, Minami‐ku Hiroshima734‐8551Japan
| | - Akiko Sugiyama
- Department of General Internal Medicine Hiroshima University Hospital 1‐2‐3 Kasumi, Minami‐ku Hiroshima734‐8551Japan
| | - Phuong Thao Nguyen
- Department of General Internal Medicine Hiroshima University Hospital 1‐2‐3 Kasumi, Minami‐ku Hiroshima734‐8551Japan
| | - Nobusuke Kishikawa
- Department of General Internal Medicine Hiroshima University Hospital 1‐2‐3 Kasumi, Minami‐ku Hiroshima734‐8551Japan
| | - Yuichiro Otani
- Department of General Internal Medicine Hiroshima University Hospital 1‐2‐3 Kasumi, Minami‐ku Hiroshima734‐8551Japan
| | - Tomoki Kobayashi
- Department of General Internal Medicine Hiroshima University Hospital 1‐2‐3 Kasumi, Minami‐ku Hiroshima734‐8551Japan
| | - Hiroaki Matsuo
- Department of Pharmaceutical Services Hiroshima University Hospital Hiroshima Japan
| | - Susumu Tazuma
- Department of General Internal Medicine Hiroshima University Hospital 1‐2‐3 Kasumi, Minami‐ku Hiroshima734‐8551Japan
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24
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Ohtani N. Deciphering the mechanism for induction of senescence-associated secretory phenotype (SASP) and its role in ageing and cancer development. J Biochem 2019; 166:289-295. [PMID: 31297533 DOI: 10.1093/jb/mvz055] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Accepted: 07/10/2019] [Indexed: 12/17/2023] Open
Abstract
Cellular senescence is an irreversible form of cell cycle arrest that can be induced by persistent DNA damage, and is well known to function as an important tumour suppression mechanism. Cellular senescence is detected in aged organisms; thus, it is also recognized as a hallmark of organismal ageing. Unlike apoptotic cells, senescent cells can survive for long periods of time. Recently, it has been shown that the late stage of senescent cells are capable of expressing a variety of secreted proteins such as cytokines, chemokines and proteases, and this condition is now known as senescence-associated secretory phenotype (SASP). These secreted factors are involved in myriad of physiological functions including tissue repair and clearance of damaged cells. Alternatively, these factors may promote detrimental effects, such as chronic inflammation or cancer progression, should the SASP persist. Recent scientific advances have indicated that innate immune responses, particularly involving the cGAS-STING pathway, trigger SASP induction. Therefore, developing a strategy to regulate SASP may provide scientific insights for the management of age-associated diseases and the implementation of healthy ageing in the future.
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Affiliation(s)
- Naoko Ohtani
- Department of Pathophysiology, Graduate School of Medicine, Osaka City University, 1-4-3, Asahi-machi, Abeno-ku, Osaka, Japan
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25
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Saad Eldien HM, Abdel-Aziz HO, Sayed D, Mubarak W, Hareedy HHG, Mansor SG, Yoshida T, Fathy M. Periostin expression and characters of human adipose tissue-derived mesenchymal stromal cells were aberrantly affected by in vitro cultivation. Stem Cell Investig 2019; 6:33. [PMID: 31620480 DOI: 10.21037/sci.2019.08.09] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2018] [Accepted: 07/30/2019] [Indexed: 12/15/2022]
Abstract
Background Human adipose tissue-derived mesenchymal stromal cells (AD-MSCs) have been under focus in regenerative medicine since their discovery as a suitable source of MSCs. AD-MSCs are heterogeneous cells and exhibit variations in population doubling time, morphology and proliferative capacity. This study investigated if human AD-MSCs are developing, during in vitro long-term cultivation, in an unwanted or aberrant way. Methods This study monitored AD-MSCs during their in vitro culture till the tenth passage investigating proliferation kinetics, DNA index and surface markers expression. Also, periostin gene expression was examined. Results The proliferation capacity and colony forming unit were decreased after passage 6 and the population doubling time was increased. Flow cytometric analysis revealed that newly cultivated population strongly expressed MSCs markers, furthermore, reduction of CD105 expression appeared in passage 5 onwards, the later was associated with significant increase in expression of CD34 (a hematopoietic cell marker). Also, reduction of CD73 and CD90 expression was observed from passage 8. Furthermore, during the first six passages, periostin expression was significantly unchanged, with significant upregulation in late passages. Conclusions Long-term cultivation of human AD-MSCs changed their characters in an aberrant way and the first four passages might be the most appropriate passages for therapy. More investigation and understanding of these variations are needed to help in standardizing the expansion of MSCs-based therapies.
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Affiliation(s)
- Heba M Saad Eldien
- Department of Anatomy, College of Medicine, Jouf University, Jouf, Saudi Arabia.,Department of Histology and Cell Biology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | | | - Douaa Sayed
- Department of Clinical Pathology, South Egypt Cancer Institutee, Assiut University, Assiut, Egypt
| | - Wafaa Mubarak
- Department of Anatomy, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Hemmat H G Hareedy
- Department of Histology and Cell Biology, Faculty of Medicine, Assiut University, Assiut, Egypt.,Department of Basic Medical Science, Majma'ah University, Saudi Arabia
| | - Shima G Mansor
- Department of Clinical Pathology, South Egypt Cancer Institutee, Assiut University, Assiut, Egypt
| | - Toshiko Yoshida
- Department of Regenerative Medicine, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| | - Moustafa Fathy
- Department of Regenerative Medicine, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan.,Department of Biochemistry, Faculty of Pharmacy, Minia University, Minia, Egypt
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26
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Okura Y, Ozaki K, Tanaka H, Takenouchi T, Sato N, Minamino T. The Impending Epidemic of Cardiovascular Diseases in Patients With Cancer in Japan. Circ J 2019; 83:2191-2202. [PMID: 31534064 DOI: 10.1253/circj.cj-19-0426] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Onco-cardiology, a new academic field, aims to improve the quality of life and prognosis of cancer patients and survivors with cardiovascular diseases (CVD). With the aging of the population, an epidemic of cancer with CVD is emerging in developed countries. Cancer and CVD share risk factors, pathophysiology, treatments, and preventive and rehabilitative measures. A multidisciplinary team-based approach is needed to support cancer treatment to maximize its effectiveness and minimize its cardiotoxic potential. Basic and clinical onco-cardiology are already being practiced harmoniously. However, systematization in academia and clinical practice and accumulation of evidence have just started. In this review, we present the epidemiology, common risk factors between cancer and CVD, future epidemic of CVD in patients with cancer, and the necessity for an onco-cardiological approach to managing the burden of CVD in cancer patients and survivors.
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Affiliation(s)
- Yuji Okura
- Department of Onco-cardiology, Niigata Cancer Center Hospital
| | - Kazuyuki Ozaki
- Department of Cardiovascular Biology and Medicine, Niigata University Graduate School of Medical and Dental Sciences
| | - Hiroshi Tanaka
- Department of Respiratory Medicine, Niigata Cancer Center Hospital
| | | | - Nobuaki Sato
- Department of Breast Oncology, Niigata Cancer Center Hospital
| | - Tohru Minamino
- Department of Cardiovascular Biology and Medicine, Niigata University Graduate School of Medical and Dental Sciences
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27
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Januzzi JL, Packer M, Claggett B, Liu J, Shah AM, Zile MR, Pieske B, Voors A, Gandhi PU, Prescott MF, Shi V, Lefkowitz MP, McMurray JJV, Solomon SD. IGFBP7 (Insulin-Like Growth Factor-Binding Protein-7) and Neprilysin Inhibition in Patients With Heart Failure. Circ Heart Fail 2019; 11:e005133. [PMID: 30354399 DOI: 10.1161/circheartfailure.118.005133] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND Increased activity of IGFBP7 (insulin-like growth factor-binding protein-7) is associated with cellular senescence, tissue aging, and obesity. IGFBP7 may be related to heart failure with preserved ejection fraction, a disease of elderly obese people. METHODS AND RESULTS In a subset of patients with heart failure with preserved ejection fraction (N=228) randomized to receive sacubitril/valsartan versus valsartan, IGFBP7 concentrations were measured at baseline, 12 weeks, and 36 weeks. Patient characteristics and echocardiographic measures including left atrial (LA) size and volume, ratio of early mitral inflow velocity/annular diastolic velocity, and ratio of early diastole/peak late diastolic velocity were assessed as a function of IGFBP7 concentration. Effect of sacubitril/valsartan on IGFBP7 concentrations was analyzed. With increasing baseline IGFBP7 quartiles, LA size and LA volume index (LAVi) were higher (both P<0.001); modest association between IGFBP7 and higher early mitral inflow velocity/annular diastolic velocity ( P=0.03) and early diastole/peak late diastolic velocity ratio ( P=0.04) was also seen. IGFBP7 concentrations were higher in those with LAVi ≥34 mL/m2 compared with lower LAVi at all time points (all P<0.01). IGFBP7 independently predicted LAVi at baseline even in the presence of NT-proBNP (N-terminal pro-B-type natriuretic peptide) concentrations; highest LAVi was seen in those with elevation in both biomarkers. Treatment with sacubitril/valsartan resulted in lower IGFBP7 concentrations over 36 weeks compared with valsartan (adjusted treatment effect, -7%; P<0.001). CONCLUSIONS Among patients with heart failure with preserved ejection fraction, concentrations of the cellular senescence biomarker IGFBP7 were associated with abnormalities in diastolic filling and LA dilation. Treatment with sacubitril/valsartan resulted in lower IGFBP7 concentrations compared with valsartan. CLINICAL TRIAL REGISTRATION URL: https://www.clinicaltrials.gov . Unique identifier: NCT00887588.
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Affiliation(s)
- James L Januzzi
- Division of Cardiology, Massachusetts General Hospital, Boston (J.L.J.).,Cardiometabolic Trials, Baim Institute for Clinical Research, Boston, MA (J.L.J.)
| | - Milton Packer
- Division of Cardiology, Baylor University Medical Center, Dallas, TX (M.P., S.D.S.)
| | - Brian Claggett
- Division of Cardiology, Brigham and Women's Hospital, Boston, MA (B.C., J.L., A.M.S.)
| | - Jiankang Liu
- Division of Cardiology, Brigham and Women's Hospital, Boston, MA (B.C., J.L., A.M.S.)
| | - Amil M Shah
- Division of Cardiology, Brigham and Women's Hospital, Boston, MA (B.C., J.L., A.M.S.)
| | - Michael R Zile
- Division of Cardiology, Medical University of South Carolina, Charleston (M.R.Z.)
| | - Burkert Pieske
- Division of Cardiology, Charite Hospital, Berlin, Germany (B.P.)
| | - Adriaan Voors
- Division of Cardiology, University Medical Center Groningen, The Netherlands (A.V.)
| | - Parul U Gandhi
- Division of Cardiology, Yale University Medical Center, New Haven, CT (P.U.G.)
| | | | - Victor Shi
- Novartis Pharmaceutical Corporation, Hanover, NJ (M.F.P., V.S., M.P.L.)
| | | | - John J V McMurray
- Division of Cardiology, University of Glasgow, United Kingdom (J.J.V.M.)
| | - Scott D Solomon
- Division of Cardiology, Baylor University Medical Center, Dallas, TX (M.P., S.D.S.)
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28
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Futami K, Maita M, Katagiri T. DNA demethylation with 5-aza-2′-deoxycytidine induces the senescence-associated secretory phenotype in the immortal fish cell line, EPC. Gene 2019; 697:194-200. [DOI: 10.1016/j.gene.2019.02.048] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 01/23/2019] [Accepted: 02/06/2019] [Indexed: 12/28/2022]
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29
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PRMT7 methylates and suppresses GLI2 binding to SUFU thereby promoting its activation. Cell Death Differ 2019; 27:15-28. [PMID: 31000813 DOI: 10.1038/s41418-019-0334-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 03/25/2019] [Accepted: 04/08/2019] [Indexed: 01/20/2023] Open
Abstract
Cellular senescence is implicated in aging or age-related diseases. Sonic hedgehog (Shh) signaling, an inducer of embryonic development, has recently been demonstrated to inhibit cellular senescence. However, the detailed mechanisms to activate Shh signaling to prevent senescence is not well understood. Here, we demonstrate that Protein arginine methyltransferase 7 (PRMT7) promotes Shh signaling via GLI2 methylation which is critical for suppression of cellular senescence. PRMT7-deficient mouse embryonic fibroblasts (MEFs) exhibited a premature cellular senescence with accompanied increase in the cell cycle inhibitors p16 and p21. PRMT7 depletion results in reduced Shh signaling activity in MEFs while PRMT7 overexpression enhances GLI2-reporter activities that are sensitive to methylation inhibition. PRMT7 interacts with and methylates GLI2 on arginine residues 225 and 227 nearby a binding region of SUFU, a negative regulator of GLI2. This methylation interferes with GLI2-SUFU binding, leading to facilitation of GLI2 nuclear accumulation and Shh signaling. Taken together, these data suggest that PRMT7 induces GLI2 methylation, reducing its binding to SUFU and increasing Shh signaling, ultimately leading to prevention of cellular senescence.
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30
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Yamagami M, Otsuka M, Kishikawa T, Sekiba K, Seimiya T, Tanaka E, Suzuki T, Ishibashi R, Ohno M, Koike K. ISGF3 with reduced phosphorylation is associated with constitutive expression of interferon-induced genes in aging cells. NPJ Aging Mech Dis 2018; 4:11. [PMID: 30455980 PMCID: PMC6237867 DOI: 10.1038/s41514-018-0030-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Revised: 10/23/2018] [Accepted: 10/24/2018] [Indexed: 01/14/2023] Open
Abstract
During cellular aging, many changes in cellular functions occur. A hallmark of aged cells is secretion of inflammatory mediators, which collectively is referred to as the senescence-associated secretory phenotype (SASP). However, the mechanisms underlying such changes are unclear. Canonically, the expression of interferon (IFN)-stimulated genes (ISGs) is induced by IFNs through the formation of the tripartite transcriptional factor ISGF3, which is composed of IRF9 and the phosphorylated forms of STAT1 and STAT2. However, in this study, the constitutive expression of ISGs in human-derived senescent fibroblasts and in fibroblasts from a patient with Werner syndrome, which leads to premature aging, was mediated mainly by the unphosphorylated forms of STATs in the absence of INF production. Under homeostatic conditions, STAT1, STAT2, and IRF9 were localized to the nucleus of aged cells. Although knockdown of JAK1, a key kinase of STAT1 and STAT2, did not affect ISG expression or IFN-stimulated response element (ISRE)-mediated promoter activities in these senescent cells, knockdown of STAT1 or STAT2 decreased ISG expression and ISRE activities. These results suggest that the ISGF3 complex without clear phosphorylation is required for IFN-independent constitutive ISG transcription in senescent cells. Aging cells express many kinds of inflammation-related genes called SASP (senescence-associated secretary-phenotype), which are involved in aging-associated phenotypes. However, the underlying molecular mechanisms how such inflammatory gene expression is induced in aging cells are unclear. A team led by Motoyuki Otsuka at the University of Tokyo found that using senescent human fibroblasts interferon-stimulated genes do not express in a canonical interferon-related intracellular signaling pathway. Normally, interferon-stimulated genes are expressed through the phosphorylation of STAT proteins triggered by interferon stimulation. In contrast, in senescent cells, interferon-stimulated genes were highly expressed without interferon stimulation and the representative STAT phosphorylation was not induced. These findings indicate that the interferon-stimulated genes in aging cells are expressed in a mechanism different from a canonical interferon-related pathway. Further research into these phenomena may develop a way to intervene the senescence-associated phenotypes in aging.
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Affiliation(s)
- Mari Yamagami
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655 Japan
| | - Motoyuki Otsuka
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655 Japan
| | - Takahiro Kishikawa
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655 Japan
| | - Kazuma Sekiba
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655 Japan
| | - Takahiro Seimiya
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655 Japan
| | - Eri Tanaka
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655 Japan
| | - Tatsunori Suzuki
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655 Japan
| | - Rei Ishibashi
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655 Japan
| | - Motoko Ohno
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655 Japan
| | - Kazuhiko Koike
- Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, 113-8655 Japan
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31
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Suzuki J, Yamada T, Inoue K, Nabe S, Kuwahara M, Takemori N, Takemori A, Matsuda S, Kanoh M, Imai Y, Yasukawa M, Yamashita M. The tumor suppressor menin prevents effector CD8 T-cell dysfunction by targeting mTORC1-dependent metabolic activation. Nat Commun 2018; 9:3296. [PMID: 30120246 PMCID: PMC6098065 DOI: 10.1038/s41467-018-05854-6] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Accepted: 07/26/2018] [Indexed: 01/01/2023] Open
Abstract
While menin plays an important role in preventing T-cell dysfunction, such as senescence and exhaustion, the regulatory mechanisms remain unclear. We found that menin prevents the induction of dysfunction in activated CD8 T cells by restricting the cellular metabolism. mTOR complex 1 (mTORC1) signaling, glycolysis, and glutaminolysis are augmented by menin deficiency. Rapamycin treatment prevents CD8 T-cell dysfunction in menin-deficient CD8 T cells. Limited glutamine availability also prevents CD8 T-cell dysfunction induced by menin deficiency, and its inhibitory effect is antagonized by α-ketoglutarate (α-KG), an intermediate metabolite of glutaminolysis. α-KG-dependent histone H3K27 demethylation seems to be involved in the dysfunction in menin-deficient CD8 T cells. We also found that α-KG activates mTORC1-dependent central carbon metabolism. These findings suggest that menin maintains the T-cell functions by limiting mTORC 1 activity and subsequent cellular metabolism. T cells can alter their metabolism during activation and differentiation. Here the authors show that the tumor suppressor menin regulates CD8 T-cell fate via the modulation of central carbon metabolism.
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Affiliation(s)
- Junpei Suzuki
- Department of Hematology, Clinical Immunology and Infectious Diseases, Graduate School of Medicine, Ehime University, Shitsukawa, Toon City, Ehime, 791-0295, Japan.,Department of Immunology, Graduate School of Medicine, Ehime University, Shitsukawa, Toon City, Ehime, 791-0295, Japan.,Department of Translational Immunology, Translational Research Center, Ehime University Hospital, Shitsukawa, Toon City, Ehime, 791-0295, Japan
| | - Takeshi Yamada
- Department of Infections and Host Defenses, Graduate School of Medicine, Ehime University, Shitsukawa, Toon City, Ehime, 791-0295, Japan
| | - Kazuki Inoue
- Division of Integrative Pathophysiology, Department of Proteo-Inovation, Proteo-Science Center, Ehime University, Toon City, Ehime, 791-0295, Japan
| | - Shogo Nabe
- Department of Hematology, Clinical Immunology and Infectious Diseases, Graduate School of Medicine, Ehime University, Shitsukawa, Toon City, Ehime, 791-0295, Japan
| | - Makoto Kuwahara
- Department of Immunology, Graduate School of Medicine, Ehime University, Shitsukawa, Toon City, Ehime, 791-0295, Japan.,Department of Translational Immunology, Translational Research Center, Ehime University Hospital, Shitsukawa, Toon City, Ehime, 791-0295, Japan.,Division of Immune Regulation, Department of Proteo-Inovation, Proteo-Science Center, Ehime University, Toon City, Ehime, 791-0295, Japan
| | - Nobuaki Takemori
- Division of Proteomics Research, Department of Proteo-Medicine, Proteo-Science Center, Ehime University, Toon City, Ehime, 791-0295, Japan
| | - Ayako Takemori
- Division of Proteomics Research, Department of Proteo-Medicine, Proteo-Science Center, Ehime University, Toon City, Ehime, 791-0295, Japan
| | - Seiji Matsuda
- Department of Anatomy and Embryology, Graduate School of Medicine, Ehime University, Shitsukawa, Toon City, Ehime, 791-0295, Japan
| | - Makoto Kanoh
- Department of Infections and Host Defenses, Graduate School of Medicine, Ehime University, Shitsukawa, Toon City, Ehime, 791-0295, Japan
| | - Yuuki Imai
- Division of Integrative Pathophysiology, Department of Proteo-Inovation, Proteo-Science Center, Ehime University, Toon City, Ehime, 791-0295, Japan
| | - Masaki Yasukawa
- Department of Hematology, Clinical Immunology and Infectious Diseases, Graduate School of Medicine, Ehime University, Shitsukawa, Toon City, Ehime, 791-0295, Japan
| | - Masakatsu Yamashita
- Department of Immunology, Graduate School of Medicine, Ehime University, Shitsukawa, Toon City, Ehime, 791-0295, Japan. .,Department of Translational Immunology, Translational Research Center, Ehime University Hospital, Shitsukawa, Toon City, Ehime, 791-0295, Japan. .,Division of Immune Regulation, Department of Proteo-Inovation, Proteo-Science Center, Ehime University, Toon City, Ehime, 791-0295, Japan.
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Wei W, Ji S. Cellular senescence: Molecular mechanisms and pathogenicity. J Cell Physiol 2018; 233:9121-9135. [PMID: 30078211 DOI: 10.1002/jcp.26956] [Citation(s) in RCA: 118] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2018] [Accepted: 06/13/2018] [Indexed: 12/13/2022]
Abstract
Cellular senescence is the arrest of normal cell division. Oncogenic genes and oxidative stress, which cause genomic DNA damage and generation of reactive oxygen species, lead to cellular senescence. The senescence-associated secretory phenotype is a distinct feature of senescence. Senescence is normally involved in the embryonic development. Senescent cells can communicate with immune cells to invoke an immune response. Senescence emerges during the aging process in several tissues and organs. In fact, increasing evidence shows that cellular senescence is implicated in aging-related diseases, such as nonalcoholic fatty liver disease, obesity and diabetes, pulmonary hypertension, and tumorigenesis. Cellular senescence can also be induced by microbial infection. During cellular senescence, several signaling pathways, including those of p53, nuclear factor-κB (NF-κB), mammalian target of rapamycin, and transforming growth factor-beta, play important roles. Accumulation of senescent cells can trigger chronic inflammation, which may contribute to the pathological changes in the elderly. Given the variety of deleterious effects caused by cellular senescence in humans, strategies have been proposed to control senescence. In this review, we will focus on recent studies to provide a brief introduction to cellular senescence, including associated signaling pathways and pathology.
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Affiliation(s)
- Wenqiang Wei
- Laboratory of Cell Signal Transduction, Basic Medical School, Henan University, Kaifeng, Henan, China.,Department of Microbiology, Basic Medical School, Henan University, Kaifeng, Henan, China
| | - Shaoping Ji
- Laboratory of Cell Signal Transduction, Basic Medical School, Henan University, Kaifeng, Henan, China
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Olcay L, Ünal Ş, Onay H, Erdemli E, Öztürk A, Billur D, Metin A, Okur H, Yıldırmak Y, Büyükaşık Y, İkincioğulları A, Falay M, Özet G, Yetgin S. Both Granulocytic and Non-Granulocytic Blood Cells Are Affected in Patients with Severe Congenital Neutropenia and Their Non-Neutropenic Family Members: An Evaluation of Morphology, Function, and Cell Death. Turk J Haematol 2018; 35:229-259. [PMID: 30040071 PMCID: PMC6256814 DOI: 10.4274/tjh.2017.0160] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Objective: To examine granulocytic and non-granulocytic cells in children with severe congenital neutropenia (SCN) and their non-neutropenic parents. Materials and Methods: Fifteen patients with SCN and 21 non-neutropenic parents were evaluated for a) CD95, CD95 ligand, annexin V, propidium iodide, cell cycle, and lymphocyte subsets by flow cytometry; b) rapid cell senescence (of leukocytes) by senescence-associated β-galactosidase stain; c) aggregation tests by aggregometer; d) in vitro bleeding time by PFA-100 instrument; e) mepacrine-labeled dense granule number of thrombocytes by fluorescence microscope; and f) hematomorphology by light and electron microscope. HAX1, ELANE, G6PC3, CSF3R, and JAGN1 mutations associated with SCN were studied in patients and several parents. Results: Significant increase in apoptosis and secondary necrosis in monocytes, lymphocytes, and granulocytes of the patients and parents was detected, irrespective of the mutation type. CD95 and CD95 ligand results implied that apoptosis was non-CD95-mediated. Leukocytes of 25%, 12.5%, and 0% of patients, parents, and controls showed rapid cell senescence. The cell cycle analysis testable in four cases showed G1 arrest and apoptosis in lymphocytes of three. The patients had HAX1 (n=6), ELANE (n=2), G6PC3 (n=2), and unidentified (n=5) mutations. The CD3, CD4, and NK lymphocytes were below normal levels in 16.6%, 8.3%, and 36.4% of the patients and in 0%, 0%, and 15.4% of the parents (controls: 0%, 0%, 5.6%). The thrombocytes aggregated at low rates, dense granule number/thrombocyte ratio was low, and in vitro bleeding time was prolonged in 37.5%-66.6% of patients and 33.3%-63.2% of parents (vs. 0% in controls). Under electron and/or light microscope, the neutrophils, monocytes, lymphocytes, and thrombocytes in the peripheral blood of both patients and parents were dysplastic and the bone marrow of patients revealed increased phagocytic activity, dysmegakaryopoiesis, and necrotic and apoptotic cells. Ultrastructurally, thrombocyte adhesion, aggregation, and release were inadequate. Conclusion: In cases of SCN, patients’ pluripotent hematopoietic stem cells and their non-neutropenic parents are both affected irrespective of the genetic defect.
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Affiliation(s)
- Lale Olcay
- Ankara Oncology Training and Research Hospital, Clinic of Pediatric Hematology, Ankara, Turkey
| | - Şule Ünal
- Hacettepe University Faculty of Medicine, İhsan Doğramacı Children’s Hospital, Clinic of Pediatric Hematology, Ankara, Turkey
| | - Hüseyin Onay
- Ege University Faculty of Medicine, Department of Medical Genetics, İzmir, Turkey
| | - Esra Erdemli
- Ankara University Faculty of Medicine, Department of Histology Embryology, Ankara, Turkey
| | - Ayşenur Öztürk
- Ankara University Faculty of Medicine, Department of Pediatric Molecular Genetics, Ankara, Turkey
| | - Deniz Billur
- Ankara University Faculty of Medicine, Department of Histology Embryology, Ankara, Turkey
| | - Ayşe Metin
- Ankara Children’s Hematology Oncology Training and Research Hospital, Clinic of Pediatric Immunology, Ankara, Turkey
| | - Hamza Okur
- Hacettepe University Faculty of Medicine, İhsan Doğramacı Children’s Hospital, Clinic of Pediatric Hematology, Ankara, Turkey
| | - Yıldız Yıldırmak
- Şişli Etfal Children’s Training and Research Hospital, Clinic of Pediatric Hematology, İstanbul, Turkey
| | - Yahya Büyükaşık
- Hacettepe University Faculty of Medicine, Department of Internal Medicine, Unit of Hematology, Ankara, Turkey
| | - Aydan İkincioğulları
- Ankara University Faculty of Medicine, Department of Pediatric Immunology and Allergy and Pediatric Molecular Genetics, Ankara, Turkey
| | - Mesude Falay
- Ankara Numune Training and Research Hospital, Clinic of Hematology, Ankara, Turkey
| | - Gülsüm Özet
- Ankara Numune Training and Research Hospital, Clinic of Hematology, Ankara, Turkey,Yıldırım Beyazıt University Faculty of Medicine, Department of Internal Medicine, Clinic of Hematology, Ankara, Turkey
| | - Sevgi Yetgin
- Hacettepe University Faculty of Medicine, İhsan Doğramacı Children’s Hospital, Clinic of Pediatric Hematology, Ankara, Turkey
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Maciel-Barón LÁ, Moreno-Blas D, Morales-Rosales SL, González-Puertos VY, López-Díazguerrero NE, Torres C, Castro-Obregón S, Königsberg M. Cellular Senescence, Neurological Function, and Redox State. Antioxid Redox Signal 2018; 28:1704-1723. [PMID: 28467755 DOI: 10.1089/ars.2017.7112] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
SIGNIFICANCE Cellular senescence, characterized by permanent cell cycle arrest, has been extensively studied in mitotic cells such as fibroblasts. However, senescent cells have also been observed in the brain. Even though it is recognized that cellular energetic metabolism and redox homeostasis are perturbed in the aged brain and neurodegenerative diseases (NDDs), it is still unknown which alterations in the overall physiology can stimulate cellular senescence induction and their relationship with the former events. Recent Advances: Recent findings have shown that during prolonged inflammatory and pathologic events, the blood-brain barrier could be compromised and immune cells might enter the brain; this fact along with the brain's high oxygen dependence might result in oxidative damage to macromolecules and therefore senescence induction. Thus, cellular senescence in different brain cell types is revised here. CRITICAL ISSUES Most information related to cellular senescence in the brain has been obtained from research in glial cells since it has been assumed that the senescent phenotype is a feature exclusive to mitotic cells. Nevertheless, neurons with senescence hallmarks have been observed in old mouse brains. Therefore, although this is a controversial topic in the field, here we summarize and integrate the observations from several studies and propose that neurons indeed senesce. FUTURE DIRECTIONS It is still unknown which alterations in the overall metabolism can stimulate senescence induction in the aged brain, what are the mechanisms and signaling pathways, and what is their relationship to NDD development. The understanding of these processes will expose new targets to intervene age-associated pathologies.-Antioxid. Redox Signal. 28, 1704-1723.
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Affiliation(s)
- Luis Ángel Maciel-Barón
- 1 División de Ciencias Biológicas y de la Salud, Department Ciencias de la Salud, Universidad Autónoma Metropolitana Iztapalapa , Iztapalapa, México
| | - Daniel Moreno-Blas
- 2 Departamento de Neurodesarrollo y Fisiología, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México , Ciudad de México, México
| | - Sandra Lizbeth Morales-Rosales
- 1 División de Ciencias Biológicas y de la Salud, Department Ciencias de la Salud, Universidad Autónoma Metropolitana Iztapalapa , Iztapalapa, México
| | - Viridiana Yazmín González-Puertos
- 1 División de Ciencias Biológicas y de la Salud, Department Ciencias de la Salud, Universidad Autónoma Metropolitana Iztapalapa , Iztapalapa, México
| | - Norma Edith López-Díazguerrero
- 1 División de Ciencias Biológicas y de la Salud, Department Ciencias de la Salud, Universidad Autónoma Metropolitana Iztapalapa , Iztapalapa, México
| | - Claudio Torres
- 3 Department of Pathology and Laboratory Medicine, Drexel University College of Medicine , Philadelphia, Pennsylvania
| | - Susana Castro-Obregón
- 2 Departamento de Neurodesarrollo y Fisiología, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México , Ciudad de México, México
| | - Mina Königsberg
- 1 División de Ciencias Biológicas y de la Salud, Department Ciencias de la Salud, Universidad Autónoma Metropolitana Iztapalapa , Iztapalapa, México
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Barrientos-Moreno M, Murillo-Pineda M, Muñoz-Cabello AM, Prado F. Histone depletion prevents telomere fusions in pre-senescent cells. PLoS Genet 2018; 14:e1007407. [PMID: 29879139 PMCID: PMC5991667 DOI: 10.1371/journal.pgen.1007407] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 05/09/2018] [Indexed: 12/20/2022] Open
Abstract
Upon telomerase inactivation, telomeres gradually shorten with each cell division until cells enter replicative senescence. In Saccharomyces cerevisiae, the kinases Mec1/ATR and Tel1/ATM protect the genome during pre-senescence by preventing telomere-telomere fusions (T-TFs) and the subsequent genetic instability associated with fusion-bridge-breakage cycles. Here we report that T-TFs in mec1Δ tel1Δ cells can be suppressed by reducing the pool of available histones. This protection associates neither with changes in bulk telomere length nor with major changes in the structure of subtelomeric chromatin. We show that the absence of Mec1 and Tel1 strongly augments double-strand break (DSB) repair by non-homologous end joining (NHEJ), which might contribute to the high frequency of T-TFs in mec1Δ tel1Δ cells. However, histone depletion does not prevent telomere fusions by inhibiting NHEJ, which is actually increased in histone-depleted cells. Rather, histone depletion protects telomeres from fusions by homologous recombination (HR), even though HR is proficient in maintaining the proliferative state of pre-senescent mec1Δ tel1Δ cells. Therefore, HR during pre-senescence not only helps stalled replication forks but also prevents T-TFs by a mechanism that, in contrast to the previous one, is promoted by a reduction in the histone pool and can occur in the absence of Rad51. Our results further suggest that the Mec1-dependent depletion of histones that occurs during pre-senescence in cells without telomerase (tlc1Δ) prevents T-TFs by favoring the processing of unprotected telomeres by Rad51-independent HR. Telomere shortening upon telomerase inactivation leads to an irreversible cell division arrest known as replicative senescence, which is considered as a tumor suppressor mechanism. Since pre-senescence is critical for tissue homeostasis, cells are endowed with recombination mechanisms that facilitate the replication of short telomeres and prevent premature entry into senescence. Consequently, pre-senescent cells divide with critically short telomeres, which have lost most of their shelterin proteins. The tumor suppressor genes ATR and ATM, as well as their yeast homologs Mec1 and Tel1, prevent telomere fusions during pre-senescence by unknown mechanisms. Here we show that the absence of Mec1 and Tel1 strongly augments DSB repair by non-homologous end joining, which might explain the high rate of telomere fusions in mec1Δ tel1Δ cells. Moreover, we show that a reduction in the pool of available histones prevents telomere fusions in mec1Δ tel1Δ cells by stimulating Rad51-independent homologous recombination. Our results suggest that the Mec1-dependent process of histone depletion that accompanies pre-senescence in cells lacking telomerase activity is required to prevent telomere fusions by promoting the processing of unprotected telomeres by recombination instead of non-homologous end joining.
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Affiliation(s)
- Marta Barrientos-Moreno
- Department of Genome Biology, Andalusian Molecular Biology and Regenerative Medicine Center (CABIMER), CSIC-University of Seville-University Pablo de Olavide, Seville, Spain
| | - Marina Murillo-Pineda
- Department of Genome Biology, Andalusian Molecular Biology and Regenerative Medicine Center (CABIMER), CSIC-University of Seville-University Pablo de Olavide, Seville, Spain
| | - Ana M. Muñoz-Cabello
- Department of Genome Biology, Andalusian Molecular Biology and Regenerative Medicine Center (CABIMER), CSIC-University of Seville-University Pablo de Olavide, Seville, Spain
| | - Félix Prado
- Department of Genome Biology, Andalusian Molecular Biology and Regenerative Medicine Center (CABIMER), CSIC-University of Seville-University Pablo de Olavide, Seville, Spain
- * E-mail:
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The Eye, Oxidative Damage and Polyunsaturated Fatty Acids. Nutrients 2018; 10:nu10060668. [PMID: 29795004 PMCID: PMC6024720 DOI: 10.3390/nu10060668] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 05/17/2018] [Accepted: 05/22/2018] [Indexed: 12/12/2022] Open
Abstract
Polyunsaturated fatty acids (PUFA) are known to have numerous beneficial effects, owing to their anti-inflammatory and antioxidant properties. From a metabolic standpoint, the mitochondria play a fundamental role in cellular homeostasis, and oxidative stress can affect their functioning. Indeed, the mitochondria are the main source of ROS, and an imbalance between ROS and antioxidant defenses leads to oxidative stress. In addition, aging, the decline of cellular functions, and continual exposure to light underlie many diseases, particularly those of the eye. Long-term exposure to insults, such as UV light, visible light, ionizing radiation, chemotherapeutics, and environmental toxins, contribute to oxidative damage in ocular tissues and expose the aging eye to considerable risk of pathological consequences of oxidative stress. Ample antioxidant defenses responsible for scavenging free radicals are essential for redox homeostasis in the eye, indeed, eye tissues, starting from the tear film, which normally are exposed to high oxygen levels, have strong antioxidant defenses that are efficient for protecting against ROS-related injuries. On the contrary, instead, the trabecular meshwork is not directly exposed to light and its endothelial cells are poorly equipped with antioxidant defenses. All this makes the eye a target organ of oxidative damage. This review focuses on the role of the polyunsaturated fatty acids in the human eye, particularly in such pathologies as dry eye, glaucoma, and macular degeneration, in which dietary PUFA supplementation can be a valid therapeutic aid.
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Kadota T, Fujita Y, Yoshioka Y, Araya J, Kuwano K, Ochiya T. Emerging role of extracellular vesicles as a senescence-associated secretory phenotype: Insights into the pathophysiology of lung diseases. Mol Aspects Med 2018; 60:92-103. [DOI: 10.1016/j.mam.2017.11.005] [Citation(s) in RCA: 93] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 11/03/2017] [Accepted: 11/10/2017] [Indexed: 12/22/2022]
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Malvezzi H, Viana BG, Dobo C, Filippi RZ, Podgaec S, Piccinato CA. Depleted lamin B1: a possible marker of the involvement of senescence in endometriosis? Arch Gynecol Obstet 2018; 297:977-984. [PMID: 29417283 DOI: 10.1007/s00404-018-4691-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Accepted: 01/25/2018] [Indexed: 02/06/2023]
Abstract
PROPOSE Endometriosis is a benign disease characterized by implantation and the growth of endometrial tissue outside the uterine cavity and it shares similarities with cancer. Lamin B1, p16 and p21 play a role on cell cycle regulation, development, cell repair and its activities are related to cancers. Considering the similarities between endometriosis and cancer, the aim of the present cross-sectional study is to detect p16, p21 and Lamin B1 in the ectopic endometrium of patients with endometriosis (n = 8) with eutopic (n = 8) and control endometrium (n = 8) and relate them to the maintenance and development of endometriosis. METHODS Biopsies were obtained from both eutopic and ectopic, from deep infiltrating lesions, endometrium frozen and used for immunofluorescent (p16) or immunohistochemistry procedures (p16, p21, lamin B1). RESULTS Detected higher lamin B1 in the eutopic endometrium when compared with ectopic endometrium, with no differences between endometriosis tissue with control endometrium. Similar presence of p16 in all groups of patients and no p21 detection was observed. CONCLUSION We observed reduced detection of lamin B1 in the ectopic endometrium raising the possibility that the presence of senescent cells might be contributing to the maintenance and progression of endometriosis by apoptosis resistance and peritoneal stress inherent of the disease.
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Affiliation(s)
- Helena Malvezzi
- Hospital Israelita Albert Einstein, Av. Albert Einstein 627, Morumbi, SP, 05652-900, Brazil
| | - Bruno Gallani Viana
- Hospital Israelita Albert Einstein, Av. Albert Einstein 627, Morumbi, SP, 05652-900, Brazil
| | - Cristine Dobo
- Hospital Israelita Albert Einstein, Av. Albert Einstein 627, Morumbi, SP, 05652-900, Brazil
| | - Renee Zon Filippi
- Hospital Israelita Albert Einstein, Av. Albert Einstein 627, Morumbi, SP, 05652-900, Brazil
| | - Sérgio Podgaec
- Hospital Israelita Albert Einstein, Av. Albert Einstein 627, Morumbi, SP, 05652-900, Brazil
| | - Carla Azevedo Piccinato
- Hospital Israelita Albert Einstein, Av. Albert Einstein 627, Morumbi, SP, 05652-900, Brazil.
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Fibrosis: Lessons from OMICS analyses of the human lung. Matrix Biol 2018; 68-69:422-434. [PMID: 29567123 DOI: 10.1016/j.matbio.2018.03.014] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 03/16/2018] [Accepted: 03/16/2018] [Indexed: 12/30/2022]
Abstract
In recent decades there has been a significant shift in our understanding of idiopathic pulmonary fibrosis (IPF), a progressive and lethal disorder. While initially much of the mechanistic understanding was derived from hypotheses generated from animal models of disease, in recent decades new insights derived from humans with IPF have taken precedence. This is mainly because of the establishment of large collections of IPF lung tissues and patient cohorts, and the emergence of high throughput profiling technologies collectively termed 'omics' technologies based on their shared suffix. In this review we describe impacts of 'omics' analyses of human IPF samples on our understanding of the disease. In particular, we discuss the results of genomics and transcriptomics studies, as well as proteomics, epigenomics and metabolomics. We then describe how these findings can be integrated in a modified paradigm of human idiopathic pulmonary fibrosis, that introduces the 'hallmarks of aging' as a central theme in the IPF lung. This allows resolution of all the disparate cellular and molecular features in IPF, from the central role of epithelial cells, through the dramatic phenotypic alterations observed in fibroblasts and the numerous aberrations that inflammatory cells exhibit. We end with reiterating a call for renewed efforts to collect and analyze carefully characterized human tissues, in ways that would facilitate implementation of novel technologies for high resolution single cell omics profiling.
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Abstract
Cellular senescence is induced by various cellular stresses, including activation of the Ras oncogene. In Drosophila imaginal epithelia, clones of cells expressing oncogenic Ras (RasV12) show several markers of cellular senescence, such as elevation of SA-β-gal activity, upregulation of the Cdk inhibitor Dacapo (Dap), and heterochromatinization. However, these cells do not undergo cell cycle arrest or exhibit a DNA damage response (DDR), cellular hypertrophy, or a senescence-associated secretory phenotype (SASP), other essential markers of cellular senescence. However, we found that inducing mitochondrial dysfunction within RasV12-expressing cells caused all above-mentioned aspects of cellular senescence. This provided the first evidence that cellular senescence occurs in invertebrates and is intriguing because mitochondrial dysfunction is frequently observed in human cancers. Here, we describe the procedures for the induction and detection of cellular senescence in Drosophila epithelia.
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Lunyak VV, Amaro-Ortiz A, Gaur M. Mesenchymal Stem Cells Secretory Responses: Senescence Messaging Secretome and Immunomodulation Perspective. Front Genet 2017; 8:220. [PMID: 29312442 PMCID: PMC5742268 DOI: 10.3389/fgene.2017.00220] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Accepted: 12/05/2017] [Indexed: 12/12/2022] Open
Abstract
Mesenchymal stem/stromal cells (MSC) have been tested in a significant number of clinical trials, where they exhibit regenerative and repair properties directly through their differentiation into the cells of the mesenchymal origin or by modulation of the tissue/organ microenvironment. Despite various clinical effects upon transplantation, the functional properties of these cells in natural settings and their role in tissue regeneration in vivo is not yet fully understood. The omnipresence of MSC throughout vascularized organs equates to a reservoir of potentially therapeutic regenerative depots throughout the body. However, these reservoirs could be subjected to cellular senescence. In this review, we will discuss current progress and challenges in the understanding of different biological pathways leading to senescence. We set out to highlight the seemingly paradoxical property of cellular senescence: its beneficial role in the development and tissue repair and detrimental impact of this process on tissue homeostasis in aging and disease. Taking into account the lessons from the different cell systems, this review elucidates how autocrine and paracrine properties of senescent MSC might impose an additional layer of complexity on the regulation of the immune system in development and disease. New findings that have emerged in the last few years could shed light on sometimes seemingly controversial results obtained from MSC therapeutic applications.
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Affiliation(s)
| | | | - Meenakshi Gaur
- Aelan Cell Technologies, San Francisco, CA, United States
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Kundrotas G, Gasperskaja E, Slapsyte G, Gudleviciene Z, Krasko J, Stumbryte A, Liudkeviciene R. Identity, proliferation capacity, genomic stability and novel senescence markers of mesenchymal stem cells isolated from low volume of human bone marrow. Oncotarget 2017; 7:10788-802. [PMID: 26910916 PMCID: PMC4905439 DOI: 10.18632/oncotarget.7456] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Accepted: 02/05/2016] [Indexed: 12/16/2022] Open
Abstract
Human bone marrow mesenchymal stem cells (hBM-MSCs) hold promise for treating incurable diseases and repairing of damaged tissues. However, hBM-MSCs face the disadvantages of painful invasive isolation and limited cell numbers. In this study we assessed characteristics of MSCs isolated from residual human bone marrow transplantation material and expanded to clinically relevant numbers at passages 3-4 and 6-7. Results indicated that early passage hBM-MSCs are genomically stable and retain identity and high proliferation capacity. Despite the chromosomal stability, the cells became senescent at late passages, paralleling the slower proliferation, altered morphology and immunophenotype. By qRT-PCR array profiling, we revealed 13 genes and 33 miRNAs significantly differentially expressed in late passage cells, among which 8 genes and 30 miRNAs emerged as potential novel biomarkers of hBM-MSC aging. Functional analysis of genes with altered expression showed strong association with biological processes causing cellular senescence. Altogether, this study revives hBM as convenient source for cellular therapy. Potential novel markers provide new details for better understanding the hBM-MSC senescence mechanisms, contributing to basic science, facilitating the development of cellular therapy quality control, and providing new clues for human disease processes since senescence phenotype of the hematological patient hBM-MSCs only very recently has been revealed.
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Affiliation(s)
- Gabrielis Kundrotas
- Department of Botany and Genetics, Faculty of Natural Sciences, Vilnius University, Vilnius, Lithuania.,Biobank, National Cancer Institute, Vilnius, Lithuania
| | - Evelina Gasperskaja
- Department of Botany and Genetics, Faculty of Natural Sciences, Vilnius University, Vilnius, Lithuania
| | - Grazina Slapsyte
- Department of Botany and Genetics, Faculty of Natural Sciences, Vilnius University, Vilnius, Lithuania
| | | | - Jan Krasko
- Laboratory of Immunology, National Cancer Institute, Vilnius, Lithuania
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Guo M. Cellular senescence and liver disease: Mechanisms and therapeutic strategies. Biomed Pharmacother 2017; 96:1527-1537. [PMID: 29174037 DOI: 10.1016/j.biopha.2017.11.075] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 11/13/2017] [Accepted: 11/13/2017] [Indexed: 12/12/2022] Open
Abstract
Cellular senescence is a fundamental cell fate caused by several cellular injuries which results in irreversible cell cycle arrest yet remaining metabolically active across all species. Cellular senescence not only can prevent tumor occurrence by inhibiting the proliferation of injured cells, but also can affect the surrounding cells through the senescence-associated secretory phenotype (SASP). Attractively, accumulating evidence shows that cellular senescence is closely related to various liver diseases. Therapeutic opportunities based on targeting senescent cells and the SASP are considered to be potential strategy for liver diseases. However, although research on cell senescence has attracted widespread attention, the overview on detailed mechanism and biological function of cell senescence in liver disease is still largely unknown. The present review summarizes the specific role of cell senescence in various liver diseases, and updates the molecular mechanisms underlying cell senescence. Moreover, the review also explores new strategies for prevention and treatment of liver disease through promoting senescence or counteracting excessive pathological senescence.
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Affiliation(s)
- Mei Guo
- Department of Pathogenic Biology and Immunology of Medical School, Southeast University, Nanjing, Jiangsu, 210009, China.
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Zang J, Sha M, Zhang C, Ye J, Zhang K, Gao J. Senescent hepatocyte secretion of matrix metalloproteinases is regulated by nuclear factor-κB signaling. Life Sci 2017; 191:205-210. [PMID: 29054454 DOI: 10.1016/j.lfs.2017.10.023] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 10/08/2017] [Accepted: 10/17/2017] [Indexed: 02/07/2023]
Abstract
AIMS Cellular senescence and matrix metalloproteinases (MMPs) play an important role in liver diseases. The source and regulating factors of MMPs in senescent hepatocytes are not known. We investigated whether senescent hepatocytes secreted MMPs and if this was regulated by nuclear factor (NF)-κB. MATERIALS AND METHODS The TGF-α transgenic mouse hepatocyte line AML12 was treated with H2O2 to induce senescence. NF-κB signaling was examined by Western blotting and luciferase reporter assays. Quantitative reverse transcription polymerase chain reaction was used to evaluated expression of MMP-2, -9 and -13. KEY FINDINGS AML12 cells treated with H2O2 showed the characteristic morphology of senescence. The activity of NF-κB and expression of MMP-2, -9 and -13 were increased in senescent AML12 cells. The NF-κB inhibitor BAY 11-7082 decreased the levels of MMPs. SIGNIFICANCE These results suggest that senescent hepatocytes are involved in the pathology of liver diseases through remodeling the extracellular matrix.
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Affiliation(s)
- Jinfeng Zang
- Department of Hepatobiliary Surgery, Taizhou People's Hospital, The Fifth Affiliated Hospital of Medical School of Nantong University, China.
| | - Min Sha
- Central Laboratory, Taizhou People's Hospital, The Fifth Affiliated Hospital of Medical School of Nantong University, China
| | - Chi Zhang
- Department of Hepatobiliary Surgery, Taizhou People's Hospital, The Fifth Affiliated Hospital of Medical School of Nantong University, China
| | - Jun Ye
- Central Laboratory, Taizhou People's Hospital, The Fifth Affiliated Hospital of Medical School of Nantong University, China
| | - Kezhi Zhang
- Department of Hepatobiliary Surgery, Taizhou People's Hospital, The Fifth Affiliated Hospital of Medical School of Nantong University, China
| | - Junye Gao
- Department of Hepatobiliary Surgery, Taizhou People's Hospital, The Fifth Affiliated Hospital of Medical School of Nantong University, China
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Furuya S, Endo K, Takahashi A, Miyazawa K, Saitoh M. Snail suppresses cellular senescence and promotes fibroblast-led cancer cell invasion. FEBS Open Bio 2017; 7:1586-1597. [PMID: 28979845 PMCID: PMC5623692 DOI: 10.1002/2211-5463.12300] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 07/19/2017] [Accepted: 08/07/2017] [Indexed: 01/06/2023] Open
Abstract
Snail, a zinc finger transcription factor, induces an epithelial-mesenchymal transition (EMT) in various cancer and epithelial cells. We investigated the function of Snail (SNAI1) by downregulating its expression with short interfering RNA (siRNA). Suppression of Snail expression induced cellular senescence in several cancer cells and in normal fibroblast IMR90 cells. Cancer progression is facilitated by fibroblasts, so-called fibroblast-led cancer cell invasion. Snail-silenced cancer cells exhibited reduced motility, which was further decreased by cocultivation with Snail-silenced IMR90 cells. Our data suggest that cell motility and cellular senescence, which are regulated by Snail in cancer cells and fibroblasts, modulate fibroblast-led cancer cell invasion. Therefore, we propose that local suppression of Snail in cancer and the cancer microenvironment represents a potent therapeutic strategy.
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Affiliation(s)
- Satoshi Furuya
- Department of Biochemistry Interdisciplinary Graduate School of Medicine University of Yamanashi Japan.,Research Training Program for Undergraduates Interdisciplinary Graduate School of Medicine University of Yamanashi Japan
| | - Kaori Endo
- Department of Biochemistry Interdisciplinary Graduate School of Medicine University of Yamanashi Japan
| | - Akiko Takahashi
- Division of Cancer Biology The Cancer Institute Japanese Foundation for Cancer Research Tokyo Japan
| | - Keiji Miyazawa
- Department of Biochemistry Interdisciplinary Graduate School of Medicine University of Yamanashi Japan
| | - Masao Saitoh
- Department of Biochemistry Interdisciplinary Graduate School of Medicine University of Yamanashi Japan.,Center for Medical Education and Sciences Interdisciplinary Graduate School of Medicine University of Yamanashi Japan
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Ji X, Zhu X, Lu X. Effect of cancer-associated fibroblasts on radiosensitivity of cancer cells. Future Oncol 2017; 13:1537-1550. [PMID: 28685611 DOI: 10.2217/fon-2017-0054] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Solid tumors are composed of tumor epithelial cells and the stroma, which are seemingly separate but actually related through cell-cell and cell-matrix interactions. These interactions can promote tumor evolution. Cancer-associated fibroblasts (CAFs) are the most abundant non-neoplastic cells in the stroma and also among the most important cell types interacting with cancer cells. Particularly, cancer cells promote the formation and maintenance of CAFs by secreting various cytokines. The activated CAFs then synthesize a series of growth factors to promote tumor cell growth, invasion and metastasis. More importantly, the presence of CAFs also interferes with therapeutic efficacy, bringing severe challenges to radiotherapy. This review summarizes the effect of CAFs on the radiosensitivity of tumor cells and underscores the need for further studies on CAFs in order to improve the efficacy of antitumor therapy.
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Affiliation(s)
- Xiaoqin Ji
- Department of Radiation Oncology, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu Province, China
| | - Xixu Zhu
- Department of Radiation Oncology, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu Province, China
| | - Xueguan Lu
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
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Low Dose of Doxorubicin Potentiates the Effect of Temozolomide in Glioblastoma Cells. Mol Neurobiol 2017; 55:4185-4194. [PMID: 28612256 DOI: 10.1007/s12035-017-0611-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Accepted: 05/11/2017] [Indexed: 10/19/2022]
Abstract
Glioblastoma (GBM) is an aggressive brain tumor with temozolomide (TMZ)-based chemotherapy as the main therapeutic strategy. Doxorubicin (DOX) is not used in gliomas due to its low bioavailability in the brain; however, new delivery strategies and low doses may be effective in the long term, especially as part of a drug cocktail. Our aim was to evaluate the chronic effects of low doses of DOX and TMZ in GBM. Human U87-ATCC cells and a primary GBM culture were chronically treated with TMZ (5 μM) and DOX (1 and 10 nM) alone or combined. DOX resulted in a reduction in the number of cells over a period of 35 days and delayed the cell regrowth. In addition, DOX induced cell senescence and reduced tumor sphere formation and the proportion of NANOG- and OCT4-positive cells after 7 days. Low doses of TMZ potentiated the effects of DOX on senescence and sphere formation. This combined response using low doses of DOX may pave the way for its use in glioma therapy, with new technologies to overcome its low blood-brain barrier permeability.
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Gong B, Li Y, Cheng Z, Wang P, Luo L, Huang H, Duan S, Liu F. GRIK3: A novel oncogenic protein related to tumor TNM stage, lymph node metastasis, and poor prognosis of GC. Tumour Biol 2017; 39:1010428317704364. [PMID: 28631555 DOI: 10.1177/1010428317704364] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Glutamate receptor, ionotropic, kainate 3 (GRIK3), as a member of the glutamate kainate receptor family, mainly participated in neuroactive ligand receptor interaction pathway. Other members of GRIK family were previously reported to regulate cellular migration, transformation, and proliferation in tumor. However, the mechanism of GRIK3 in tumor is still unclear. Therefore, the purpose of our study was to reveal the expression and clinical significance of GRIK3 in gastric cancer (GC). First, we performed the expression analysis and survival analysis of GRIK3 using The Cancer Genome Atlas (TCGA) database, and the results showed that the GRIK3 expressed differentially between gastric cancer tissues and the adjacent normal tissues and that higher expression of GRIK3 was associated with poor survival outcomes. And the gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis suggested that GRIK3 mainly took part in cancer-related process. Subsequently, the validated immunohistochemistry showed that GRIK3 expressed higher in the GC tissues than in the matched normal tissues and the patients with overexpressed GRIK3 had worse survival outcomes. The univariate and multivariate analyses suggested that the expression of GRIK3 was an independent prognostic factor to predict GC prognosis. Furthermore, additional experiment showed that the lymph node metastasis tissues had higher GRIK3 expression than their matched primary GC tissues. These findings suggested that elevated GRIK3 expression could serve as an independent prognostic biomarker and a novel potential treatment target for patients with GC.
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Affiliation(s)
- Baocheng Gong
- 1 Department of Surgical Oncology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Yuan Li
- 1 Department of Surgical Oncology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Zhenguo Cheng
- 2 Department of Cell Biology, Key Laboratory of Cell Biology, Ministry of Public Health, China Medical University, Shenyang, China
| | - Pengliang Wang
- 1 Department of Surgical Oncology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Lei Luo
- 1 Department of Surgical Oncology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Hanwei Huang
- 1 Department of Surgical Oncology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Shijie Duan
- 1 Department of Surgical Oncology, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Funan Liu
- 1 Department of Surgical Oncology, The First Affiliated Hospital of China Medical University, Shenyang, China
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Brandi G, De Lorenzo S, Candela M, Pantaleo MA, Bellentani S, Tovoli F, Saccoccio G, Biasco G. Microbiota, NASH, HCC and the potential role of probiotics. Carcinogenesis 2017; 38:231-240. [PMID: 28426878 DOI: 10.1093/carcin/bgx007] [Citation(s) in RCA: 117] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Accepted: 01/15/2017] [Indexed: 02/06/2023] Open
Abstract
Hepatocellular carcinoma (HCC) accounts for the majority of primary liver cancers. Clearly identifiable risk factors are lacking in up to 30% of HCC patients and most of these cases are attributed to non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH). Beyond the known risk factors for NAFLD, the intestinal microbiota, in particular dysbiosis (defined as any change in the composition of the microbiota commonly found in healthy conditions) is emerging as a new factor promoting the development of chronic liver diseases and HCC. Intestinal microbes produce a large array of bioactive molecules from mainly dietary compounds, establishing an intense microbiota-host transgenomic metabolism with a major impact on physiological and pathological conditions. A better knowledge of these 'new' pathways could help unravel the pathogenesis of HCC in NAFLD to devise new prevention strategies. Currently unsettled issues include the relative role of a 'negative microbiota' (in addition to the other known risk factors for NASH) and the putative prevention of NAFLD through modulation of the gut microbiota.
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Affiliation(s)
- Giovanni Brandi
- Department of Experimental, Diagnostic and Specialty Medicine, Sant'Orsola-Malpighi Hospital, Bologna University, 40138 Bologna, Italy
- "G. Prodi" Interdepartmental Center for Cancer Research (C.I.R.C.), Bologna University, via Massarenti 9, 40138 Bologna, Italy
| | - Stefania De Lorenzo
- Department of Experimental, Diagnostic and Specialty Medicine, Sant'Orsola-Malpighi Hospital, Bologna University, 40138 Bologna, Italy
| | - Marco Candela
- Department of Pharmacy and Biotechnology, Bologna University, via Belmeloro 6, 40126 Bologna, Italy
| | - Maria Abbondanza Pantaleo
- Department of Experimental, Diagnostic and Specialty Medicine, Sant'Orsola-Malpighi Hospital, Bologna University, 40138 Bologna, Italy
- "G. Prodi" Interdepartmental Center for Cancer Research (C.I.R.C.), Bologna University, via Massarenti 9, 40138 Bologna, Italy
| | - Stefano Bellentani
- Department of Gastroenterology and Hepatology, Centre Point Clinic, 24e Little Russell Street, Holborn, London WC1A 2HS, UK
| | - Francesco Tovoli
- Department of Medical and Surgical Sciences, University of Bologna, 40138 Bologna, Italy
| | | | - Guido Biasco
- Department of Experimental, Diagnostic and Specialty Medicine, Sant'Orsola-Malpighi Hospital, Bologna University, 40138 Bologna, Italy
- "G. Prodi" Interdepartmental Center for Cancer Research (C.I.R.C.), Bologna University, via Massarenti 9, 40138 Bologna, Italy
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Sakai T, Imai J, Ito T, Takagaki H, Ui M, Hatta S. The novel antioxidant TA293 reveals the role of cytoplasmic hydroxyl radicals in oxidative stress-induced senescence and inflammation. Biochem Biophys Res Commun 2017; 482:1183-1189. [DOI: 10.1016/j.bbrc.2016.12.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Accepted: 12/02/2016] [Indexed: 10/20/2022]
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