基础研究

年轻干细胞抗原-1阳性骨髓干细胞调控年老小鼠心脏成纤维细胞凋亡的分子机制

  • 吕饶 ,
  • 于佳迪 ,
  • 李柳蓁 ,
  • 湛楚蓝 ,
  • 赵立越 ,
  • 李月亮 ,
  • 董珺 ,
  • 黎佼
展开
  • 1.广州医科大学附属清远医院(清远市人民医院),第六临床学院,广州医科大学心脏病学系 (广东 清远 511518 )
    2.广州医科大学附属第二医院老年病科 (广州 510260 )

收稿日期: 2024-10-07

  网络出版日期: 2024-09-13

基金资助

广东省基础与应用基础研究基金项目(2023A1515011721);广州医科大学附属第六医院,(清远市人民医院)开放课题基金项目(202201-304);广州医科大学附属第二医院临床研究项目(2021-LCYJ-DZX-03);广州医科大学2022年度学生创新能力提升计划项目(广医大发[2022]66号)

Molecular mechanism of young Sca⁃1 bone marrow stem cell on old cardiac fibroblast cell apoptosis in aging mice

  • Rao Lü ,
  • Jiadi YU ,
  • Liuzhen LI ,
  • Chulan ZHAN ,
  • Liyue ZHAO ,
  • Yueliang LI ,
  • Jun DONG ,
  • Jiao. LI
Expand
  • *.Department of Cardiology,The Sixth School of Clinical Medicine,the Affiliated Qingyuan Hospital(Qingyuan People′s Hospital),Guangzhou Medical University,Qingyuan 511518,China
    *.Department of Geriatric,the Second Affiliated Hospital of Guangzhou Medical University,Guangzhou 510260,China

Received date: 2024-10-07

  Online published: 2024-09-13

摘要

目的 探讨Sca-1骨髓干细胞对小鼠心脏成纤维细胞(CFC)凋亡的影响,阐明年轻Sca-1骨髓干细胞调控心脏成纤维细胞凋亡的潜在分子机制及其优势。 方法 比较年轻与年老心脏成纤维细胞在缺氧条件下,细胞凋亡及细胞存活率。将Sca-1骨髓干细胞与年老心脏成纤维细胞共培养。通过TUNEL染色、qRT-PCR、Western Blot、CCK8试剂盒分别检测年轻或年老Sca-1骨髓干细胞对年老心脏成纤维细胞凋亡及存活的影响。通过qRT-PCR、ELISA检测年轻与年老小鼠Sca-1骨髓干细胞旁分泌生长因子并鉴定其功能。 结果 随年龄增加,年老小鼠心脏成纤维细胞凋亡增加,细胞存活减少。与年老细胞相比,年轻Sca-1骨髓干细胞可明显减少年老心脏成纤维细胞凋亡,增加细胞存活。机制研究发现,与年老细胞相比,年轻Sca-1骨髓干细胞可旁分泌更多的生长和分化因子5(GDF5)(P < 0.05)。中和GDF5后,使年轻Sca-1骨髓干细胞失去对年老成纤维细胞凋亡及存活的调控作用。 结论 年轻Sca-1骨髓干细胞可通过旁分泌GDF5减少年老心脏成纤维细胞凋亡。

本文引用格式

吕饶 , 于佳迪 , 李柳蓁 , 湛楚蓝 , 赵立越 , 李月亮 , 董珺 , 黎佼 . 年轻干细胞抗原-1阳性骨髓干细胞调控年老小鼠心脏成纤维细胞凋亡的分子机制[J]. 实用医学杂志, 2024 , 40(17) : 2369 -2374 . DOI: 10.3969/j.issn.1006-5725.2024.17.003

Abstract

Objective To investigate the impact of Sca-1 bone marrow derived stem cells on apoptosis in murine cardiac fibroblasts and the molecular mechanisms of young (Y) Sca?1 bone marrow stem cell (BMSC) on old (O) cardiac fibroblast cell (CFC) apoptosis. Methods The apoptosis and survival of Y and O CFC were assessed under hypoxic conditions. Co-cultures of Y and O Sca-1 bone marrow-derived mesenchymal stem cells (BMSC) with O CFC were established to investigate the impact of Sca-1 BMSC on the apoptotic response and viability of O CFC, employing TUNEL staining, qRT-PCR, Western Blot, and CCK8 assays. Furthermore, differential secretion profiles of growth factors by Y and O Sca-1 BMSC were compared using qRT-PCR and ELISA analysis. Results Compared to Y CFC, O CFC exhibited an increased rate of apoptosis and a decreased rate of cell survival. However, when compared to O cells, Y Sca-1 BMC significantly reduced apoptosis in O CFC and enhanced cell survival. Moreover, Y Sca-1 BMSC demonstrated a higher secretion of GDF5 (Growth Differentiation Factor 5) than O cells (P < 0.05). Importantly, the protective effects of Y Sca-1 BMSC on apoptosis and survival in O CFC were abolished upon neutralization of GDF5 expression. Conclusion Y Sca-1 BMSC decreases O CFC apoptosis through GDF5.

参考文献

1 RIBEIRO A S F, ZEROLO B E, LóPEZ-ESPUELA F, et al. Cardiac System during the Aging Process[J]. Aging Dis, 2023, 14(4): 1105-1122.
2 XIE S, XU S C, DENG W, et al. Metabolic landscape in cardiac aging: insights into molecular biology and therapeutic implications[J]. Signal Transduct Target Ther, 2023, 8(1): 114. doi:10.1038/s41392-023-01378-8
3 LAZZERONI D, VILLATORE A, SOURYAL G, et al. The Aging Heart: A Molecular and Clinical Challenge[J]. Int J Mol Sci, 2022,23(24):16033. doi:10.3390/ijms232416033
4 李若男,杨俊,张静,等. 线粒体质量控制系统在心脏衰老中的研究进展[J]. 实用医学杂志, 2023,39(8):1052-1057. doi:10.3969/j.issn.1006-5725.2023.08.023
5 MARVASTI T B, ALIBHAI F J, WLODAREK L, et al. Aging impairs human bone marrow function and cardiac repair following myocardial infarction in a humanized chimeric mouse[J]. Aging Cell, 2021, 20(11): e13494. doi:10.1111/acel.13494
6 陈霞,武馨馨,刘星佑,等. 过表达NKx2.5基因间充质干细胞增强SDF-1/CXCR4轴促归巢改善心梗心功能[J]. 实用医学杂志, 2023,39(6):660-666.
7 LI J, LI S H, DONG J, et al. Long-term repopulation of aged bone marrow stem cells using young Sca-1 cells promotes aged heart rejuvenation[J]. Aging Cell, 2019, 18(6): e13026. doi:10.1111/acel.13026
8 MARUNOUCHI T, SASAKI K, YANO E, et al. Transplantation of cardiac Sca-1-positive cells rather than c-Kit-positive cells preserves mitochondrial oxygen consumption of the viable myocardium following myocardial infarction in rats[J]. J Pharmacol Sci, 2019, 140(3): 236-241. doi:10.1016/j.jphs.2019.07.005
9 DASEKE M J 2 ND, TENKORANG M A A, CHALISE U,et al. Cardiac fibroblast activation during myocardial infarction wound healing: Fibroblast polarization after MI[J]. Matrix Biol, 2020, 91-92: 109-116. doi:10.1016/j.matbio.2020.03.010
10 SAWAKI D, CZIBIK G, PINI M, et al. Visceral Adipose Tissue Drives Cardiac Aging Through Modulation of Fibroblast Senescence by Osteopontin Production[J]. Circulation, 2018, 138(8): 809-822. doi:10.1161/circulationaha.117.031358
11 LIU X, BURKE R M, LIGHTHOUSE J K, et al. p53 Regulates the Extent of Fibroblast Proliferation and Fibrosis in Left Ventricle Pressure Overload[J]. Circ Res, 2023, 133(3): 271-287. doi:10.1161/circresaha.121.320324
12 YEGANEH A, ALIBHAI F J, TOBIN S W, et al. Age-related defects in autophagy alter the secretion of paracrine factors from bone marrow mononuclear cells[J]. Aging (Albany NY), 2021, 13(11): 14687-14708. doi:10.18632/aging.203127
13 LI J, LI S H, WU J, et al. Young Bone Marrow Sca-1 Cells Rejuvenate the Aged Heart by Promoting Epithelial-to-Mesenchymal Transition[J]. Theranostics, 2018, 8(7): 1766-1781. doi:10.7150/thno.22788
14 WANG Y, QIN W Y, WANG Q, et al. Young Sca-1(+) bone marrow stem cell-derived exosomes preserve visual function via the miR-150-5p/MEKK3/JNK/c-Jun pathway to reduce M1 microglial polarization[J]. J Nanobiotechnology, 2023, 21(1): 194. doi:10.1186/s12951-023-01944-w
15 朱国松, 王广治, 王开伟. 骨髓Sca-1间充质干细胞对肺移植后急性肺损伤的影响[J]. 实用医学杂志, 2020,36(22):3065-3068.
16 ZHOU H, BIAN Z Y, ZONG J, et al. Stem cell antigen 1 protects against cardiac hypertrophy and fibrosis after pressure overload[J]. Hypertension, 2012, 60(3): 802-809. doi:10.1161/hypertensionaha.112.198895
17 BAILEY B, FRANSIOLI J, GUDE N. A, et al. Sca-1 knockout impairs myocardial and cardiac progenitor cell function[J]. Circ Res, 2012, 111(6): 750-760. doi:10.1161/circresaha.112.274662
18 LI S H, SUN Z, BRUNT K. R, et al. Reconstitution of aged bone marrow with young cells repopulates cardiac-resident bone marrow-derived progenitor cells and prevents cardiac dysfunction after a myocardial infarction[J]. Eur Heart J, 2013, 34(15): 1157-1167. doi:10.1093/eurheartj/ehs072
19 GUO Q Y, YANG J Q, FENG X X, et al. Regeneration of the heart: from molecular mechanisms to clinical therapeutics[J]. Mil Med Res, 2023, 10(1): 18. doi:10.1186/s40779-023-00452-0
20 MENG X, WANG H, SONG X, et al. The potential role of senescence in limiting fibrosis caused by aging[J]. J Cell Physiol, 2020, 235(5): 4046-4059. doi:10.1002/jcp.29313
21 SHIKATANI E A, WANG T, DINGWELL L S, et al. GDF5 deficiency prevents cardiac rupture following acute myocardial infarction in mice[J]. Cardiovasc Pathol, 2024, 68: 107581. doi:10.1016/j.carpath.2023.107581
22 ZHAO X, BIAN R, WANG F, et al. GDF-5 promotes epidermal stem cells proliferation via Foxg1-cyclin D1 signaling[J]. Stem Cell Res Ther, 2021, 12(1): 42. doi:10.1186/s13287-020-02106-7
23 DESHMUKH T, CHONG J J H. Therapeutic Angiogenesis Using Growth Factors After Myocardial Infarction: From Recombinant Proteins to Gene Therapies and Beyond[J]. Heart Lung Circ, 2023, 32(7): 798-807. doi:10.1016/j.hlc.2023.05.018
24 MALINAUSKAS T, PEER T V, BISHOP B, et al. Repulsive guidance molecules lock growth differentiation factor 5 in an inhibitory complex[J]. Proc Natl Acad Sci U S A, 2020, 117(27): 15620-15631. doi:10.1073/pnas.2000561117
25 WENG P W, YADAV V K, PIKATAN N W, et al. Novel NFκB Inhibitor SC75741 Mitigates Chondrocyte Degradation and Prevents Activated Fibroblast Transformation by Modulating miR-21/GDF-5/SOX5 Signaling[J]. Int J Mol Sci, 2021, 22(20):11082. doi:10.3390/ijms222011082
文章导航

/