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Fu M, Du Y, Liu F, Xiao J, Zhang L, Zeng Y, Yang Y, Yan Y. Prognostic value of KLFs family genes in renal clear cell carcinoma. Sci Rep 2024; 14:20204. [PMID: 39215019 PMCID: PMC11364764 DOI: 10.1038/s41598-024-69892-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 08/09/2024] [Indexed: 09/04/2024] Open
Abstract
Numerous studies have shown that the Krüppel-like factors (KLFs) family of transcription factors regulate various eukaryotic physiological processes including the proliferation, differentiation, senescence, death, and carcinogenesis of animal cells. In addition, they are involved in the regulation of key biological processes such as cell cycle, DNA repair, and immune response. Current studies focus on investigating the role of KLFs in normal physiological conditions and the incidence and development of diseases. However002C the significance of KLFs family genes in clear cell renal cell carcinoma (ccRCC) remains partly understood; therefore, an in-depth investigation of their role and clinical value in this cancer is desired. The study aimed to investigate the role of KLF family genes in the incidence, development, and prognosis of ccRCC, and to identify the related potential biomarkers and therapeutic targets. The expression of KLFs in the RNA sequencing data of 613 ccRCCs from the TCGA database was analyzed using R software, and UALCAN and GEPIA assessed the expression of KLF genes in ccRCC. Real-time fluorescence quantitative PCR analysis was performed using 10 pairs of paired ccRCC sample tissues and renal cancer cell lines from the First Affiliated Hospital of Nanchang University. Overall survival (OS), progression-free interval (PFI), and disease-specific survival (DSS) of Kidney Clear Cell Carcinoma (KIRC) samples at differential expressions of KLFs in the TCGA database were analyzed using the R software, followed by generating a nomogram prediction model. GSCALite assessed the interactions of KLF genes with miRNAs and generated network maps. Protein interaction network maps of 50 neighboring genes associated with KLF mutations were analyzed using STRING with GO and KEGG functional enrichment analyses. The cBioPortal determined the probability of KLF gene mutations and their impact on OS and disease-free survival (DFS) in patients with ccRCC. Immune cell infiltration of KLFs was analyzed using TIMER. Finally, GSCALite was used to analyze the drug sensitivity and associated pathways of action of KLFs. Correlation validation using cellular experiments. KLF3/5/9/15 were significantly downregulated in ccRCC tissues, whereas KLF16/17 were upregulated compared with the adjacent tissues. Patients with high mRNA levels of KLF16/17 showed significantly lower OS, PFI, and DSS, whereas KLF3/5/9 showed a reverse trend. In patients with ccRCC, a significant correlation was observed between KLF mutations and OS and DSS. Furthermore, the correlation of KLF3/5/9 with immune cell infiltration was stronger than that of KLF15/16, while KLF17 was significantly associated with the Epithelial-Mesenchymal Transition (EMT) pathway. Overexpression of KLF5 inhibits the proliferative and migratory capacity of renal cancer cells (786-O and OS-RC-2), as well as their sensitivity to relevant small molecule drugs. Our research revealed the expression levels and biological significance of KLF genes in ccRCC, particularly highlighting the potential of KLF5 as a promising biomarker and therapeutic target for effective prognosis and diagnosis of ccRCC.
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Affiliation(s)
- MengRu Fu
- Department of Nephrology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330000, Jiangxi Province, China
- Key Laboratory of Urinary System Diseases of Jiangxi Province, Nanchang, China
| | - YuanZhuo Du
- Key Laboratory of Urinary System Diseases of Jiangxi Province, Nanchang, China
- Department of Urology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi Province, China, 330000
| | - Fei Liu
- Department of Nephrology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330000, Jiangxi Province, China
- Key Laboratory of Urinary System Diseases of Jiangxi Province, Nanchang, China
| | - Jun Xiao
- Department of Nephrology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330000, Jiangxi Province, China
| | - Li Zhang
- Department of Nephrology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330000, Jiangxi Province, China
| | - Yan Zeng
- Department of Nephrology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330000, Jiangxi Province, China
| | - YuJuan Yang
- Department of Nephrology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330000, Jiangxi Province, China
| | - Yan Yan
- Department of Nephrology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330000, Jiangxi Province, China.
- Key Laboratory of Urinary System Diseases of Jiangxi Province, Nanchang, China.
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Qin S, Bie F, Chen S, Xu Y, Chen L, Shu B, Yang F, Lu Y, Li J, Zhao J. Targeting S100A12 to Improve Angiogenesis and Accelerate Diabetic Wound Healing. Inflammation 2024:10.1007/s10753-024-02073-8. [PMID: 38954262 DOI: 10.1007/s10753-024-02073-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Revised: 05/31/2024] [Accepted: 06/02/2024] [Indexed: 07/04/2024]
Abstract
Long-term inflammation and impaired angiogenesis are thought to be the causes of delayed healing or nonhealing of diabetic wounds. S100A12 is an essential pro-inflammatory factor involved in inflammatory reactions and serves as a biomarker for various inflammatory diseases. However, whether high level of S100A12 exists in and affects the healing of diabetic wounds, as well as the underlying molecular mechanisms, remain unclear. In this study, we found that the serum concentration of S100A12 is significantly elevated in patients with type 2 diabetes. Exposure of stratified epidermal cells to high glucose environment led to increased expression and secretion of S100A12, resulting in impaired endothelial function by binding to the advanced glycation endproducts (RAGE) or Toll-like receptor 4 (TLR4) on endothelial cell. The transcription factor Krüpple-like Factor 5 (KLF5) is highly expressed in the epidermis under high glucose conditions, activating the transcriptional activity of the S100A12 and boost its expression. By establishing diabetic wounds model in alloxan-induced diabetic rabbit, we found that local inhibition of S100A12 significantly accelerated diabetic wound healing by promoting angiogenesis. Our results illustrated the novel endothelial-specific injury function of S100A12 in diabetic wounds and suggest that S100A12 is a potential target for the treatment of diabetic wounds.
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Affiliation(s)
- Shitian Qin
- Department of Burns, Wound Repair and Reconstruction, The First Affiliated Hospital of Sun Yat-Sen University, No. 58, Zhongshan 2 Road, Guangzhou, Guangdong Province, 510080, PR China
| | - Fan Bie
- Department of Burns, Wound Repair and Reconstruction, The First Affiliated Hospital of Sun Yat-Sen University, No. 58, Zhongshan 2 Road, Guangzhou, Guangdong Province, 510080, PR China
| | - Shuying Chen
- Department of Burns, Wound Repair and Reconstruction, The First Affiliated Hospital of Sun Yat-Sen University, No. 58, Zhongshan 2 Road, Guangzhou, Guangdong Province, 510080, PR China
| | - Yingbin Xu
- Department of Burns, Wound Repair and Reconstruction, The First Affiliated Hospital of Sun Yat-Sen University, No. 58, Zhongshan 2 Road, Guangzhou, Guangdong Province, 510080, PR China
| | - Lei Chen
- Department of Burns, Wound Repair and Reconstruction, The First Affiliated Hospital of Sun Yat-Sen University, No. 58, Zhongshan 2 Road, Guangzhou, Guangdong Province, 510080, PR China
| | - Bin Shu
- Department of Burns, Wound Repair and Reconstruction, The First Affiliated Hospital of Sun Yat-Sen University, No. 58, Zhongshan 2 Road, Guangzhou, Guangdong Province, 510080, PR China
| | - Fan Yang
- Department of Burns, Wound Repair and Reconstruction, The First Affiliated Hospital of Sun Yat-Sen University, No. 58, Zhongshan 2 Road, Guangzhou, Guangdong Province, 510080, PR China
| | - Yangzhou Lu
- Department of Burns, Wound Repair and Reconstruction, The First Affiliated Hospital of Sun Yat-Sen University, No. 58, Zhongshan 2 Road, Guangzhou, Guangdong Province, 510080, PR China
| | - Jialin Li
- Department of Intensive Care Unit, The First Affiliated Hospital of Sun Yat-Sen University, No. 58, Zhongshan 2 Road, Guangzhou, Guangdong Province, 510080, PR China
| | - Jingling Zhao
- Department of Burns, Wound Repair and Reconstruction, The First Affiliated Hospital of Sun Yat-Sen University, No. 58, Zhongshan 2 Road, Guangzhou, Guangdong Province, 510080, PR China.
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García-Loredo JA, Santoyo-Suarez MG, Rodríguez-Nuñez O, Benitez Chao DF, Garza-Treviño EN, Zapata-Morin PA, Padilla-Rivas GR, Islas JF. Is the Cis-Element CACCC-Box a Master Regulatory Element during Cardiovascular Disease? A Bioinformatics Approach from the Perspective of the Krüppel-like Family of Transcription Factors. Life (Basel) 2024; 14:493. [PMID: 38672763 PMCID: PMC11051458 DOI: 10.3390/life14040493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 04/03/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024] Open
Abstract
The CACCC-box motif emerges as a pivotal cis-regulatory element implicated in diverse developmental processes and diseases, particularly cardiovascular diseases (CVDs). This study centers on the intricate interplay between the CACCC-box and its binding proteins such as: the Krüppel-Like Family (KLF) of transcription factors as primary effectors in the context of CVDs. Our analysis was through a bioinformatics approach, which revealed significant transcriptional activity among KLF subgroup 2, exhibiting the highest number of interactions focusing on the established roles: pluripotency, cancer, and cardiovascular development and diseases. Our analysis reveals KLF's interactions with GATA4, MEF2C, NKX2.5 and other ~90 potential genes that participate in the regulation of the hypertrophic environment (or CVDs' Environment). Also, the GO analysis showed that genes containing the motif CACCC were enriched for multiple CVDs; in combination with STRING analysis, these results pointed to a link between KLFs and these diseases. The analysis further identifies other potential CACCC-box binding factors, such as SP family members, WT1, VEZF1, and -SALL4, which are implicated in cardiac contraction, remodeling, and inflammation processes.
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Affiliation(s)
- Juan Andrés García-Loredo
- Departamento de Bioquímica y Medicina Molecular, Facultad de Medicina, Universidad Autónoma de Nuevo León, Monterrey 64460, Nuevo León, Mexico; (J.A.G.-L.); (M.G.S.-S.); (O.R.-N.); (D.F.B.C.); (E.N.G.-T.); (G.R.P.-R.)
- Laboratorio de Micología y Fitopatología, Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, San Nicolás de los Garza 66451, Nuevo León, Mexico;
| | - Michelle G. Santoyo-Suarez
- Departamento de Bioquímica y Medicina Molecular, Facultad de Medicina, Universidad Autónoma de Nuevo León, Monterrey 64460, Nuevo León, Mexico; (J.A.G.-L.); (M.G.S.-S.); (O.R.-N.); (D.F.B.C.); (E.N.G.-T.); (G.R.P.-R.)
| | - Oscar Rodríguez-Nuñez
- Departamento de Bioquímica y Medicina Molecular, Facultad de Medicina, Universidad Autónoma de Nuevo León, Monterrey 64460, Nuevo León, Mexico; (J.A.G.-L.); (M.G.S.-S.); (O.R.-N.); (D.F.B.C.); (E.N.G.-T.); (G.R.P.-R.)
| | - Diego Francisco Benitez Chao
- Departamento de Bioquímica y Medicina Molecular, Facultad de Medicina, Universidad Autónoma de Nuevo León, Monterrey 64460, Nuevo León, Mexico; (J.A.G.-L.); (M.G.S.-S.); (O.R.-N.); (D.F.B.C.); (E.N.G.-T.); (G.R.P.-R.)
| | - Elsa N. Garza-Treviño
- Departamento de Bioquímica y Medicina Molecular, Facultad de Medicina, Universidad Autónoma de Nuevo León, Monterrey 64460, Nuevo León, Mexico; (J.A.G.-L.); (M.G.S.-S.); (O.R.-N.); (D.F.B.C.); (E.N.G.-T.); (G.R.P.-R.)
| | - Patricio Adrián Zapata-Morin
- Laboratorio de Micología y Fitopatología, Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, San Nicolás de los Garza 66451, Nuevo León, Mexico;
| | - Gerardo R. Padilla-Rivas
- Departamento de Bioquímica y Medicina Molecular, Facultad de Medicina, Universidad Autónoma de Nuevo León, Monterrey 64460, Nuevo León, Mexico; (J.A.G.-L.); (M.G.S.-S.); (O.R.-N.); (D.F.B.C.); (E.N.G.-T.); (G.R.P.-R.)
| | - Jose Francisco Islas
- Departamento de Bioquímica y Medicina Molecular, Facultad de Medicina, Universidad Autónoma de Nuevo León, Monterrey 64460, Nuevo León, Mexico; (J.A.G.-L.); (M.G.S.-S.); (O.R.-N.); (D.F.B.C.); (E.N.G.-T.); (G.R.P.-R.)
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He M, Li Y, Li Y, Dong B, Yu H. Dynamics of Chromatin Opening across Larval Development in the Urochordate Ascidian Ciona savignyi. Int J Mol Sci 2024; 25:2793. [PMID: 38474039 DOI: 10.3390/ijms25052793] [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: 01/21/2024] [Revised: 02/20/2024] [Accepted: 02/26/2024] [Indexed: 03/14/2024] Open
Abstract
Ascidian larvae undergo tail elongation and notochord lumenogenesis, making them an ideal model for investigating tissue morphogenesis in embryogenesis. The cellular and mechanical mechanisms of these processes have been studied; however, the underlying molecular regulatory mechanism remains to be elucidated. In this study, assays for transposase-accessible chromatin using sequencing (ATAC-seq) and RNA sequencing (RNA-seq) were applied to investigate potential regulators of the development of ascidian Ciona savignyi larvae. Our results revealed 351 and 138 differentially accessible region genes through comparisons of ATAC-seq data between stages 21 and 24 and between stages 24 and 25, respectively. A joint analysis of RNA-seq and ATAC-seq data revealed a correlation between chromatin accessibility and gene transcription. We further verified the tissue expression patterns of 12 different genes. Among them, Cs-matrix metalloproteinase 24 (MMP24) and Cs-krüppel-like factor 5 (KLF5) were highly expressed in notochord cells. Functional assay results demonstrated that both genes are necessary for notochord lumen formation and expansion. Finally, we performed motif enrichment analysis of the differentially accessible regions in different tailbud stages and summarized the potential roles of these motif-bearing transcription factors in larval development. Overall, our study found a correlation between gene expression and chromatin accessibility and provided a vital resource for understanding the mechanisms of the development of ascidian embryos.
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Affiliation(s)
- Muchun He
- Fang Zongxi Center for Marine EvoDevo, MoE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian 116023, China
| | - Yuting Li
- Fang Zongxi Center for Marine EvoDevo, MoE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
| | - Yajuan Li
- Fang Zongxi Center for Marine EvoDevo, MoE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China
| | - Bo Dong
- Fang Zongxi Center for Marine EvoDevo, MoE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
- Laboratory for Marine Biology and Biotechnology, Qingdao Marine Science and Technology Center, Qingdao 266237, China
- MoE Key Laboratory of Evolution & Marine Biodiversity, Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao 266003, China
| | - Haiyan Yu
- Fang Zongxi Center for Marine EvoDevo, MoE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
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Cai C, Weng Y, Wang X, Wu Y, Li Y, Wang P, Zeng C, Yang Z, Jia B, Tang L, Chen L. Single-cell RNA landscape of cell heterogeneity and immune microenvironment in ligation-induced vascular remodeling in rat. Atherosclerosis 2023; 377:1-11. [PMID: 37343431 DOI: 10.1016/j.atherosclerosis.2023.06.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 06/08/2023] [Accepted: 06/08/2023] [Indexed: 06/23/2023]
Abstract
BACKGROUND AND AIMS Vascular remodeling is a common pathological basis for cardiovascular diseases. Although both immune and non-immune cells have been suggested to contribute to this process, the complex cellular heterogeneity and intercellular interactions remain largely uncharacterized. METHODS AND RESULTS In this study, we simulated early and late vascular remodeling by ligating the rat carotid artery for 1 week and 4 weeks, respectively. Using single-cell RNA-sequencing, we characterized gene expression signatures and driver signals of major cell types involved in vascular remodeling. Focused analysis revealed a novel sub-population of Selenbp1hi smooth muscle cells (SMCs) associated with vascular remodeling. Results of intercellular communication analyses predicted several ligand-receptor pairs between immune cells with SMCs and endothelial cells (ECs), implicating SMCs apoptosis and repair, ECs aging and inflammatory responses. CONCLUSIONS We present a comprehensive single-cell atlas of vascular cells in early and late stages of ligated rat carotid artery, providing valuable insights into the understanding of the initiation and progression of vascular remodeling.
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Affiliation(s)
- Changhong Cai
- Department of Cardiology, Fujian Heart Medical Center, Fujian Institute of Coronary Heart Disease, Fujian Medical University Union Hospital, Fuzhou, 350001, China
| | - Yingzheng Weng
- Department of Cardiology, Zhejiang Hospital, Hangzhou, 310013, China; Department of Medicine, The Second College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, 310013, China
| | - Xihao Wang
- Department of Medicine, The Second College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, 310013, China
| | - Yonghui Wu
- Department of Cardiology, Lishui Hospital of Zhejiang University, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, Lishui, 323000, China
| | - Ya Li
- Department of Cardiology, Lishui Hospital of Zhejiang University, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, Lishui, 323000, China
| | - Peipei Wang
- Department of Cardiology, Lishui Hospital of Zhejiang University, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, Lishui, 323000, China
| | - Chunlai Zeng
- Department of Cardiology, Lishui Hospital of Zhejiang University, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, Lishui, 323000, China
| | - Zhouxin Yang
- Zhejiang Provincial Key Lab of Geriatrics, Department of Geriatrics, Zhejiang Hospital, Hangzhou, 310013, China
| | - Bingbing Jia
- Zhejiang Provincial Key Lab of Geriatrics, Department of Geriatrics, Zhejiang Hospital, Hangzhou, 310013, China.
| | - Lijiang Tang
- Department of Cardiology, Zhejiang Hospital, Hangzhou, 310013, China.
| | - Lianglong Chen
- Department of Cardiology, Fujian Heart Medical Center, Fujian Institute of Coronary Heart Disease, Fujian Medical University Union Hospital, Fuzhou, 350001, China.
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Gu Y, Becker MA, Müller L, Reuss K, Umlauf F, Tang T, Menger MD, Laschke MW. MicroRNAs in Tumor Endothelial Cells: Regulation, Function and Therapeutic Applications. Cells 2023; 12:1692. [PMID: 37443725 PMCID: PMC10340284 DOI: 10.3390/cells12131692] [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: 05/18/2023] [Revised: 06/16/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023] Open
Abstract
Tumor endothelial cells (TECs) are key stromal components of the tumor microenvironment, and are essential for tumor angiogenesis, growth and metastasis. Accumulating evidence has shown that small single-stranded non-coding microRNAs (miRNAs) act as powerful endogenous regulators of TEC function and blood vessel formation. This systematic review provides an up-to-date overview of these endothelial miRNAs. Their expression is mainly regulated by hypoxia, pro-angiogenic factors, gap junctions and extracellular vesicles, as well as long non-coding RNAs and circular RNAs. In preclinical studies, they have been shown to modulate diverse fundamental angiogenesis-related signaling pathways and proteins, including the vascular endothelial growth factor (VEGF)/VEGF receptor (VEGFR) pathway; the rat sarcoma virus (Ras)/rapidly accelerated fibrosarcoma (Raf)/mitogen-activated protein kinase kinase (MEK)/extracellular signal-regulated kinase (ERK) pathway; the phosphoinositide 3-kinase (PI3K)/AKT pathway; and the transforming growth factor (TGF)-β/TGF-β receptor (TGFBR) pathway, as well as krüppel-like factors (KLFs), suppressor of cytokine signaling (SOCS) and metalloproteinases (MMPs). Accordingly, endothelial miRNAs represent promising targets for future anti-angiogenic cancer therapy. To achieve this, it will be necessary to further unravel the regulatory and functional networks of endothelial miRNAs and to develop safe and efficient TEC-specific miRNA delivery technologies.
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Affiliation(s)
- Yuan Gu
- Institute for Clinical & Experimental Surgery, Saarland University, 66421 Saar, Germany; (M.A.B.); (L.M.); (K.R.); (F.U.); (T.T.); (M.D.M.); (M.W.L.)
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Kotlyarov S, Kotlyarova A. Participation of Krüppel-like Factors in Atherogenesis. Metabolites 2023; 13:metabo13030448. [PMID: 36984888 PMCID: PMC10052737 DOI: 10.3390/metabo13030448] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/17/2023] [Accepted: 03/18/2023] [Indexed: 03/30/2023] Open
Abstract
Atherosclerosis is an important problem in modern medicine, the keys to understanding many aspects of which are still not available to clinicians. Atherosclerosis develops as a result of a complex chain of events in which many cells of the vascular wall and peripheral blood flow are involved. Endothelial cells, which line the vascular wall in a monolayer, play an important role in vascular biology. A growing body of evidence strengthens the understanding of the multifaceted functions of endothelial cells, which not only organize the barrier between blood flow and tissues but also act as regulators of hemodynamics and play an important role in regulating the function of other cells in the vascular wall. Krüppel-like factors (KLFs) perform several biological functions in various cells of the vascular wall. The large family of KLFs in humans includes 18 members, among which KLF2 and KLF4 are at the crossroads between endothelial cell mechanobiology and immunometabolism, which play important roles in both the normal vascular wall and atherosclerosis.
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Affiliation(s)
- Stanislav Kotlyarov
- Department of Nursing, Ryazan State Medical University, 390026 Ryazan, Russia
| | - Anna Kotlyarova
- Department of Pharmacy Management and Economics, Ryazan State Medical University, 390026 Ryazan, Russia
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The Involvement of Krüppel-like Factors in Cardiovascular Diseases. Life (Basel) 2023; 13:life13020420. [PMID: 36836777 PMCID: PMC9962890 DOI: 10.3390/life13020420] [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: 12/09/2022] [Revised: 01/16/2023] [Accepted: 01/29/2023] [Indexed: 02/05/2023] Open
Abstract
Krüppel-like factors (KLFs) are a set of DNA-binding proteins belonging to a family of zinc-finger transcription factors, which have been associated with many biological processes related to the activation or repression of genes, inducing cell growth, differentiation, and death, and the development and maintenance of tissues. In response to metabolic alterations caused by disease and stress, the heart will undergo cardiac remodeling, leading to cardiovascular diseases (CVDs). KLFs are among the transcriptional factors that take control of many physiological and, in this case, pathophysiological processes of CVD. KLFs seem to be associated with congenital heart disease-linked syndromes, malformations because of autosomal diseases, mutations that relate to protein instability, and/or loss of functions such as atheroprotective activities. Ischemic damage also relates to KLF dysregulation because of the differentiation of cardiac myofibroblasts or a modified fatty acid oxidation related to the formation of a dilated cardiomyopathy, myocardial infarctions, left ventricular hypertrophy, and diabetic cardiomyopathies. In this review, we describe the importance of KLFs in cardiovascular diseases such as atherosclerosis, myocardial infarction, left ventricle hypertrophy, stroke, diabetic cardiomyopathy, and congenital heart diseases. We further discuss microRNAs that have been involved in certain regulatory loops of KLFs as they may act as critical in CVDs.
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Tan JL, Yi J, Cao XY, Wang FY, Xie SL, Zhou LL, Qin L, Dai AG. Celastrol: The new dawn in the treatment of vascular remodeling diseases. Biomed Pharmacother 2023; 158:114177. [PMID: 36809293 DOI: 10.1016/j.biopha.2022.114177] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/16/2022] [Accepted: 12/28/2022] [Indexed: 01/05/2023] Open
Abstract
Evidence is mounting that abnormal vascular remodeling leads to many cardiovascular diseases (CVDs). This suggests that vascular remodeling can be a crucial target for the prevention and treatment of CVDs. Recently, celastrol, an active ingredient of the broadly used Chinese herb Tripterygium wilfordii Hook F, has attracted extensive interest for its proven potential to improve vascular remodeling. Substantial evidence has shown that celastrol improves vascular remodeling by ameliorating inflammation, hyperproliferation, and migration of vascular smooth muscle cells, vascular calcification, endothelial dysfunction, extracellular matrix remodeling, and angiogenesis. Moreover, numerous reports have proven the positive effects of celastrol and its therapeutic promise in treating vascular remodeling diseases such as hypertension, atherosclerosis, and pulmonary artery hypertension. The present review summarizes and discusses the molecular mechanism of celastrol regulating vascular remodeling and provides preclinical proof for future clinical applications of celastrol.
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Affiliation(s)
- Jun-Lan Tan
- Department of Respiratory Diseases, School of Medicine, Hunan University of Chinese Medicine, Changsha 410208, Hunan, China; Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha 410208, Hunan, China
| | - Jian Yi
- The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha 410021, Hunan, China
| | - Xian-Ya Cao
- Department of Respiratory Diseases, School of Medicine, Hunan University of Chinese Medicine, Changsha 410208, Hunan, China; Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha 410208, Hunan, China
| | - Fei-Ying Wang
- Department of Respiratory Diseases, School of Medicine, Hunan University of Chinese Medicine, Changsha 410208, Hunan, China; Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha 410208, Hunan, China
| | - Si-Lin Xie
- Department of Respiratory Diseases, School of Medicine, Hunan University of Chinese Medicine, Changsha 410208, Hunan, China; Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha 410208, Hunan, China
| | - Ling-Ling Zhou
- Department of Respiratory Diseases, School of Medicine, Hunan University of Chinese Medicine, Changsha 410208, Hunan, China; Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha 410208, Hunan, China
| | - Li Qin
- Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha 410208, Hunan, China; Laboratory of Stem Cell Regulation with Chinese Medicine and Its Application, School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, Hunan, China.
| | - Ai-Guo Dai
- Department of Respiratory Diseases, School of Medicine, Hunan University of Chinese Medicine, Changsha 410208, Hunan, China; Hunan Provincial Key Laboratory of Vascular Biology and Translational Medicine, Changsha 410208, Hunan, China; Department of Respiratory Medicine, The First Affiliated Hospital of Hunan University of Chinese Medicine, Changsha 410021, Hunan, China.
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Levin MG, Huffman JE, Verma A, Sullivan KA, Rodriguez AA, Kainer D, Garvin MR, Lane M, Cashman M, Miller JI, Won H, Li B, Luo Y, Jarvik GP, Hakonarson H, Jasper EA, Bick AG, Tsao PS, Ritchie MD, Jacobson DA, Madduri RK, Damrauer SM. Genetics of varicose veins reveals polygenic architecture and genetic overlap with arterial and venous disease. NATURE CARDIOVASCULAR RESEARCH 2023; 2:44-57. [PMID: 39196206 DOI: 10.1038/s44161-022-00196-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 11/23/2022] [Indexed: 08/29/2024]
Abstract
Varicose veins represent a common cause of cardiovascular morbidity, with limited available medical therapies. Although varicose veins are heritable and epidemiologic studies have identified several candidate varicose vein risk factors, the molecular and genetic basis remains uncertain. Here we analyzed the contribution of common genetic variants to varicose veins using data from the Veterans Affairs Million Veteran Program and four other large biobanks. Among 49,765 individuals with varicose veins and 1,334,301 disease-free controls, we identified 139 risk loci. We identified genetic overlap between varicose veins, other vascular diseases and dozens of anthropometric factors. Using Mendelian randomization, we prioritized therapeutic targets via integration of proteomic and transcriptomic data. Finally, topological enrichment analyses confirmed the biologic roles of endothelial shear flow disruption, inflammation, vascular remodeling and angiogenesis. These findings may facilitate future efforts to develop nonsurgical therapies for varicose veins.
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Affiliation(s)
- Michael G Levin
- Division of Cardiovascular Medicine, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
- Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA, USA
| | - Jennifer E Huffman
- Massachusetts Veterans Epidemiology Research and Information Center (MAVERIC), VA Boston Healthcare System, Boston, MA, USA
| | - Anurag Verma
- Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA, USA
- Department of Genetics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Kyle A Sullivan
- Computational and Predictive Biology, Oak Ridge National Laboratory, Oak Ridge, TN, USA
| | - Alexis A Rodriguez
- Data Science and Learning Division, Argonne National Laboratory, Lemont, IL, USA
| | - David Kainer
- Computational and Predictive Biology, Oak Ridge National Laboratory, Oak Ridge, TN, USA
| | - Michael R Garvin
- Computational and Predictive Biology, Oak Ridge National Laboratory, Oak Ridge, TN, USA
| | - Matthew Lane
- Bredesen Center for Interdisciplinary Research and Graduate Education, University of Tennessee, Knoxville, TN, USA
| | - Mikaela Cashman
- Computational and Predictive Biology, Oak Ridge National Laboratory, Oak Ridge, TN, USA
| | - J Izaak Miller
- Computational and Predictive Biology, Oak Ridge National Laboratory, Oak Ridge, TN, USA
| | - Hyejung Won
- Department of Genetics, University of North Carolina, Chapel Hill, NC, USA
| | - Binglan Li
- Department of Biomedical Data Science, Stanford University, Stanford, CA, USA
| | - Yuan Luo
- Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Gail P Jarvik
- Departments of Medicine (Division of Medical Genetics) and Genome Sciences, University of Washington Medical Center, Seattle, WA, USA
| | - Hakon Hakonarson
- Center for Applied Genomics, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Elizabeth A Jasper
- Division of Quantitative Sciences, Department of Obstetrics and Gynecology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Alexander G Bick
- Division of Genetic Medicine, Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Philip S Tsao
- VA Palo Alto Health Care System, Palo Alto, CA, USA
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Marylyn D Ritchie
- Department of Genetics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
- Institute for Biomedical Informatics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Daniel A Jacobson
- Computational and Predictive Biology, Oak Ridge National Laboratory, Oak Ridge, TN, USA
| | - Ravi K Madduri
- Data Science and Learning Division, Argonne National Laboratory, Lemont, IL, USA
| | - Scott M Damrauer
- Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA, USA.
- Department of Genetics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.
- Department of Surgery, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.
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11
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Han Y, Yu SM, Shah FH, Kim SJ. Subversive molecular role of Krüppel-like factor 5 in extracellular matrix degradation and chondrocyte dedifferentiation. Funct Integr Genomics 2022; 22:1307-1313. [PMID: 35931836 DOI: 10.1007/s10142-022-00892-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 08/01/2022] [Accepted: 08/02/2022] [Indexed: 11/25/2022]
Abstract
Osteoarthritis (OA) is the most common joint disorder worldwide and a leading cause of pain and disability. However, the pathogenesis of osteoarthritis has not been elucidated. Krüppel-like factor (KLF)-5 is involved in several biological processes, including inflammation and cell differentiation, but its role in OA has not been evaluated. In this study, we investigated the role of KLF-5 in chondrocyte differentiation. KLF-5 overexpression in chondrocytes induced a loss of type II collagen expression and sulfated proteoglycan synthesis at the transcriptional and translational levels. Based on immunofluorescence staining, the ectopic expression of KLF-5 reduced type II collagen expression. In contrast, with KLF-5-transfected cells, KLF-5 siRNA transfection-induced type II expression also blocked dedifferentiation caused by the overexpression of KLF-5. In zebra fish, KLF-5 reduced the sulfated proteoglycan synthesis of ceratobranchial cartilage. Our results suggest that KLF-5 plays a pivotal role in the dedifferentiation of rabbit articular cartilage and zebra fish, providing a basis for therapeutic strategy for osteoarthritis aimed at controlling cartilage destruction.
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Affiliation(s)
- Yohan Han
- Department of Biological Sciences, College of Natural Sciences, Kongju National University, Gongju, 32588, Republic of Korea
| | - Seon-Mi Yu
- Department of Biological Sciences, College of Natural Sciences, Kongju National University, Gongju, 32588, Republic of Korea
| | - Fahad Hassan Shah
- Department of Biological Sciences, College of Natural Sciences, Kongju National University, Gongju, 32588, Republic of Korea
| | - Song Ja Kim
- Department of Biological Sciences, College of Natural Sciences, Kongju National University, Gongju, 32588, Republic of Korea.
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12
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Peisker F, Halder M, Nagai J, Ziegler S, Kaesler N, Hoeft K, Li R, Bindels EMJ, Kuppe C, Moellmann J, Lehrke M, Stoppe C, Schaub MT, Schneider RK, Costa I, Kramann R. Mapping the cardiac vascular niche in heart failure. Nat Commun 2022; 13:3027. [PMID: 35641541 PMCID: PMC9156759 DOI: 10.1038/s41467-022-30682-0] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 05/11/2022] [Indexed: 02/08/2023] Open
Abstract
The cardiac vascular and perivascular niche are of major importance in homeostasis and during disease, but we lack a complete understanding of its cellular heterogeneity and alteration in response to injury as a major driver of heart failure. Using combined genetic fate tracing with confocal imaging and single-cell RNA sequencing of this niche in homeostasis and during heart failure, we unravel cell type specific transcriptomic changes in fibroblast, endothelial, pericyte and vascular smooth muscle cell subtypes. We characterize a specific fibroblast subpopulation that exists during homeostasis, acquires Thbs4 expression and expands after injury driving cardiac fibrosis, and identify the transcription factor TEAD1 as a regulator of fibroblast activation. Endothelial cells display a proliferative response after injury, which is not sustained in later remodeling, together with transcriptional changes related to hypoxia, angiogenesis, and migration. Collectively, our data provides an extensive resource of transcriptomic changes in the vascular niche in hypertrophic cardiac remodeling.
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Affiliation(s)
- Fabian Peisker
- Institute of Experimental Medicine and Systems Biology, RWTH Aachen University Medical Faculty, Aachen, Germany
| | - Maurice Halder
- Institute of Experimental Medicine and Systems Biology, RWTH Aachen University Medical Faculty, Aachen, Germany
| | - James Nagai
- Institute for Computational Genomics, RWTH Aachen University Hospital, Aachen, Germany
- Joint Research Center for Computational Biomedicine, RWTH Aachen University Hospital, Aachen, Germany
| | - Susanne Ziegler
- Institute of Experimental Medicine and Systems Biology, RWTH Aachen University Medical Faculty, Aachen, Germany
| | - Nadine Kaesler
- Institute of Experimental Medicine and Systems Biology, RWTH Aachen University Medical Faculty, Aachen, Germany
- Division of Nephrology and Clinical Immunology, RWTH Aachen University Medical Faculty, Aachen, Germany
| | - Konrad Hoeft
- Institute of Experimental Medicine and Systems Biology, RWTH Aachen University Medical Faculty, Aachen, Germany
| | - Ronghui Li
- Institute for Computational Genomics, RWTH Aachen University Hospital, Aachen, Germany
- Joint Research Center for Computational Biomedicine, RWTH Aachen University Hospital, Aachen, Germany
| | - Eric M J Bindels
- Department of Hematology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - Christoph Kuppe
- Institute of Experimental Medicine and Systems Biology, RWTH Aachen University Medical Faculty, Aachen, Germany
| | - Julia Moellmann
- Department of Cardiology, RWTH Aachen University Hospital, Aachen, Germany
| | - Michael Lehrke
- Department of Cardiology, RWTH Aachen University Hospital, Aachen, Germany
| | - Christian Stoppe
- Department of Anesthesiology, Intensive Care, Emergency, and Pain Medicine, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Michael T Schaub
- Department of Computer Science, RWTH Aachen University, Aachen, Germany
| | | | - Ivan Costa
- Institute for Computational Genomics, RWTH Aachen University Hospital, Aachen, Germany
- Joint Research Center for Computational Biomedicine, RWTH Aachen University Hospital, Aachen, Germany
| | - Rafael Kramann
- Institute of Experimental Medicine and Systems Biology, RWTH Aachen University Medical Faculty, Aachen, Germany.
- Institute of Cell Biology, RWTH Aachen University Hospital, Aachen, Germany.
- Department of Internal Medicine, Nephrology and Transplantation, Erasmus Medical Center, Rotterdam, The Netherlands.
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13
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Zhao D, Ma X, Li Y, Xi Y, Su L, Tong Y, Wang C, Yu T. Quantitative analysis of kruppel-like factor 5-related messenger RNA transcripts in ischemic myocardium for discrimination of death causes. JOURNAL OF FORENSIC SCIENCE AND MEDICINE 2022. [DOI: 10.4103/jfsm.jfsm_127_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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