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Ryba-Stanisławowska M, Słomiński B, Myśliwiec M. Association of KLF14 rs4731702 gene polymorphism with metabolic phenotype in young patients with type 1 diabetes. Diabetes Obes Metab 2024; 26:3663-3672. [PMID: 38894632 DOI: 10.1111/dom.15707] [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: 03/22/2024] [Revised: 05/23/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024]
Abstract
AIM To explore the potential association between the KLF14 rs4731702 polymorphism and metabolic syndrome traits among patients diagnosed with type 1 diabetes (T1D). METHODS The study group included 350 patients with T1D and 250 healthy control subjects. The analysis focused on the genotyping of KLF14 rs4731702 single nucleotide polymorphism (SNP), as well as evaluating serum concentrations of inflammatory markers, blood pressure, lipid profiles, and the quantitative status of CD4 + CD25highFOXP3+ T cells. RESULTS Patients with T1D carrying the T allele of KLF14 rs4731702 SNP had higher high-density lipoprotein cholesterol, lower low-density lipoprotein cholesterol, as well as lower glycated haemoglobin and serum concentration of proinflammatory markers than C allele carriers. They also developed hypertension less often than carriers of the C allele. The analysis of CD4 + CD25highFOXP3+ regulatory T-cell status based on KLF14 genotype showed that, in T1D patients, those with the TT genotype had the highest frequency of these cells compared to carriers of the CC and CT genotypes. CONCLUSION Our study suggests that the T allele of the KLF14 rs4731702 SNP might confer a protective effect against the development of obesity, hypertension, dyslipidaemia, and chronic inflammatory state in patients diagnosed with T1D.
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Affiliation(s)
| | - Bartosz Słomiński
- Department of Medical Immunology, Faculty of Medicine, Medical University of Gdańsk, Gdańsk, Poland
| | - Małgorzata Myśliwiec
- Chair & Clinics of Paediatrics, Diabetology and Endocrinology, Faculty of Medicine, Medical University of Gdańsk, Gdańsk, Poland
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2
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Zhang H, Zheng Y, Wang Z, Dong L, Xue L, Tian X, Deng H, Xue Q, Gao S, Gao Y, Li C, He J. KLF12 interacts with TRIM27 to affect cisplatin resistance and cancer metastasis in esophageal squamous cell carcinoma by regulating L1CAM expression. Drug Resist Updat 2024; 76:101096. [PMID: 38924996 DOI: 10.1016/j.drup.2024.101096] [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: 07/16/2023] [Revised: 05/20/2024] [Accepted: 05/21/2024] [Indexed: 06/28/2024]
Abstract
Krüppel-like factor 12 (KLF12) has been characterized as a transcriptional repressor, and previous studies have unveiled its roles in angiogenesis, neural tube defect, and natural killer (NK) cell proliferation. However, the contribution of KLF12 to cancer treatment remains undefined. Here, we show that KLF12 is downregulated in various cancer types, and KLF12 downregulation promotes cisplatin resistance and cancer metastasis in esophageal squamous cell carcinoma (ESCC). Mechanistically, KLF12 binds to the promoters of L1 Cell Adhesion Molecule (L1CAM) and represses its expression. Depletion of L1CAM abrogates cisplatin resistance and cancer metastasis caused by KLF12 loss. Moreover, the E3 ubiquitin ligase tripartite motif-containing 27 (TRIM27) binds to the N-terminal region of KLF12 and ubiquitinates KLF12 at K326 via K33-linked polyubiquitination. Notably, TRIM27 depletion enhances the transcriptional activity of KLF12 and consequently inhibits L1CAM expression. Overall, our study elucidated a novel regulatory mechanism involving TRIM27, KLF12 and L1CAM, which plays a substantial role in cisplatin resistance and cancer metastasis in ESCC. Targeting these genes could be a promising approach for ESCC treatment.
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Affiliation(s)
- Hao Zhang
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yujia Zheng
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Zhen Wang
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Lin Dong
- Department of Pathology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Liyan Xue
- Department of Pathology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiaolin Tian
- MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing, China
| | - Haiteng Deng
- MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing, China
| | - Qi Xue
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Shugeng Gao
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yibo Gao
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China; Laboratory of Translational Medicine, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China; State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China; Central Laboratory & Shenzhen Key Laboratory of Epigenetics and Precision Medicine for Cancers, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen 518116, China.
| | - Chunxiang Li
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
| | - Jie He
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
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Epstein SA, Doles JD, Dasgupta A. KLF10: a point of convergence in cancer cachexia. Curr Opin Support Palliat Care 2024; 18:120-125. [PMID: 39007915 PMCID: PMC11293965 DOI: 10.1097/spc.0000000000000711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
PURPOSE OF THE REVIEW Cancer-associated cachexia is a wasting syndrome entailing loss in body mass and a shortened life expectancy. There is currently no effective treatment to abrogate this syndrome, which leads to 20-30% of deaths in patients with cancer. While there have been advancements in defining signaling factors/pathways in cancer-induced muscle wasting, targeting the same in the clinic has not been as successful. Krüppel-like factor 10 (KLF10), a transcription factor implicated in muscle regulation, is regulated by the transforming growth factor-beta signaling pathway. This review proposes KLF10 as a potential convergence point of diverse signaling pathways involved in muscle wasting. RECENT FINDINGS KLF10 was discovered as a target of transforming growth factor-beta decades ago but more recently it has been shown that deletion of KLF10 rescues cancer-induced muscle wasting. Moreover, KLF10 has also been shown to bind key atrophy genes associated with muscle atrophy in vitro . SUMMARY There is an elevated need to explore targets in cachexia, which will successfully translate into the clinic. Investigating a convergence point downstream of multiple signaling pathways might hold promise in developing effective therapies for cachexia.
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Affiliation(s)
- Savannah A Epstein
- Department of Anatomy, Cell Biology and Physiology, Indiana School of Medicine, Indianapolis, Indiana, USA
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Santos AB, Carona A, Ettcheto M, Camins A, Falcão A, Fortuna A, Bicker J. Krüppel-like factors: potential roles in blood-brain barrier dysfunction and epileptogenesis. Acta Pharmacol Sin 2024; 45:1765-1776. [PMID: 38684799 PMCID: PMC11335766 DOI: 10.1038/s41401-024-01285-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 04/07/2024] [Indexed: 05/02/2024] Open
Abstract
Epilepsy is a chronic and debilitating neurological disorder, known for the occurrence of spontaneous and recurrent seizures. Despite the availability of antiseizure drugs, 30% of people with epilepsy experience uncontrolled seizures and drug resistance, evidencing that new therapeutic options are required. The process of epileptogenesis involves the development and expansion of tissue capable of generating spontaneous recurrent seizures, during which numerous events take place, namely blood-brain barrier (BBB) dysfunction, and neuroinflammation. The consequent cerebrovascular dysfunction results in a lower seizure threshold, seizure recurrence, and chronic epilepsy. This suggests that improving cerebrovascular health may interrupt the pathological cycle responsible for disease development and progression. Krüppel-like factors (KLFs) are a family of zinc-finger transcription factors, encountered in brain endothelial cells, glial cells, and neurons. KLFs are known to regulate vascular function and changes in their expression are associated with neuroinflammation and human diseases, including epilepsy. Hence, KLFs have demonstrated various roles in cerebrovascular dysfunction and epileptogenesis. This review critically discusses the purpose of KLFs in epileptogenic mechanisms and BBB dysfunction, as well as the potential of their pharmacological modulation as therapeutic approach for epilepsy treatment.
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Affiliation(s)
| | - Andreia Carona
- University of Coimbra, Faculty of Pharmacy, Coimbra, Portugal
- University of Coimbra, Coimbra Institute for Biomedical Imaging and Translational Research, Coimbra, Portugal
| | - Miren Ettcheto
- Biomedical Research Networking Center in Neurodegenerative Diseases (CIBERNED), Madrid, Spain
- Department of Pharmacology, Toxicology and Therapeutic Chemistry, Faculty of Pharmacy and Food Science, Universitat de Barcelona, Barcelona, Spain
- Institute of Neuroscience, Universitat de Barcelona, Barcelona, Spain
- Institut d'Investigació Sanitària Pere Virgili (IISPV), Reus, Spain
| | - Antoni Camins
- Biomedical Research Networking Center in Neurodegenerative Diseases (CIBERNED), Madrid, Spain
- Department of Pharmacology, Toxicology and Therapeutic Chemistry, Faculty of Pharmacy and Food Science, Universitat de Barcelona, Barcelona, Spain
- Institute of Neuroscience, Universitat de Barcelona, Barcelona, Spain
- Institut d'Investigació Sanitària Pere Virgili (IISPV), Reus, Spain
| | - Amílcar Falcão
- University of Coimbra, Faculty of Pharmacy, Coimbra, Portugal
- University of Coimbra, Coimbra Institute for Biomedical Imaging and Translational Research, Coimbra, Portugal
| | - Ana Fortuna
- University of Coimbra, Faculty of Pharmacy, Coimbra, Portugal
- University of Coimbra, Coimbra Institute for Biomedical Imaging and Translational Research, Coimbra, Portugal
| | - Joana Bicker
- University of Coimbra, Faculty of Pharmacy, Coimbra, Portugal.
- University of Coimbra, Coimbra Institute for Biomedical Imaging and Translational Research, Coimbra, Portugal.
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5
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Huang S, Reed C, Ilsley M, Magor G, Tallack M, Landsberg M, Mitchell H, Gillinder K, Perkins A. Mutations in linker-2 of KLF1 impair expression of membrane transporters and cytoskeletal proteins causing hemolysis. Nat Commun 2024; 15:7019. [PMID: 39147774 PMCID: PMC11327367 DOI: 10.1038/s41467-024-50579-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 07/09/2024] [Indexed: 08/17/2024] Open
Abstract
The SP/KLF family of transcription factors harbour three C-terminal C2H2 zinc fingers interspersed by two linkers which confers DNA-binding to a 9-10 bp motif. Mutations in KLF1, the founding member of the family, are common. Missense mutations in linker two result in a mild phenotype. However, when co-inherited with loss-of-function mutations, they result in severe non-spherocytic hemolytic anemia. We generate a mouse model of this disease by crossing Klf1+/- mice with Klf1H350R/+ mice that harbour a missense mutation in linker-2. Klf1H350R/- mice exhibit severe hemolysis without thalassemia. RNA-seq demonstrate loss of expression of genes encoding transmembrane and cytoskeletal proteins, but not globins. ChIP-seq show no change in DNA-binding specificity, but a global reduction in affinity, which is confirmed using recombinant proteins and in vitro binding assays. This study provides new insights into how linker mutations in zinc finger transcription factors result in different phenotypes to those caused by loss-of-function mutations.
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Affiliation(s)
- Stephen Huang
- Mater Research Institute - UQ, The University of Queensland, St Lucia, Australia
- School of Biomedical Sciences, The University of Queensland, St Lucia, Australia
| | - Casie Reed
- Australian Centre for Blood Diseases, Monash University, Clayton, Australia
| | - Melissa Ilsley
- Mater Research Institute - UQ, The University of Queensland, St Lucia, Australia
- School of Biomedical Sciences, The University of Queensland, St Lucia, Australia
| | - Graham Magor
- Mater Research Institute - UQ, The University of Queensland, St Lucia, Australia
- Australian Centre for Blood Diseases, Monash University, Clayton, Australia
| | - Michael Tallack
- Mater Research Institute - UQ, The University of Queensland, St Lucia, Australia
| | - Michael Landsberg
- School of Chemistry and Molecular Biosciences, The University of Queensland, St Lucia, Australia
| | - Helen Mitchell
- Australian Centre for Blood Diseases, Monash University, Clayton, Australia
| | - Kevin Gillinder
- Mater Research Institute - UQ, The University of Queensland, St Lucia, Australia
- Australian Centre for Blood Diseases, Monash University, Clayton, Australia
| | - Andrew Perkins
- Mater Research Institute - UQ, The University of Queensland, St Lucia, Australia.
- School of Biomedical Sciences, The University of Queensland, St Lucia, Australia.
- Australian Centre for Blood Diseases, Monash University, Clayton, Australia.
- Department of Haematology, The Alfred Hospital, Melbourne, Australia.
- Biodiscovery Institute, Monash University, Clayton, Australia.
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6
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Li N, Xue Y, Zhu C, Chen N, Qi M, Fang M, Huang S. The zinc-finger transcription factor KLF6 regulates cardiac fibrosis. Life Sci 2024; 351:122805. [PMID: 38851422 DOI: 10.1016/j.lfs.2024.122805] [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: 03/23/2024] [Revised: 05/09/2024] [Accepted: 06/04/2024] [Indexed: 06/10/2024]
Abstract
AIMS Heart failure (HF) is one of the most devastating consequences of cardiovascular diseases. Regardless of etiology, cardiac fibrosis is present and promotes the loss of heart function in HF patients. Cardiac resident fibroblasts, in response to a host of pro-fibrogenic stimuli, trans-differentiate into myofibroblasts to mediate cardiac fibrosis, the underlying mechanism of which remains incompletely understood. METHODS Fibroblast-myofibroblast transition was induced in vitro by exposure to transforming growth factor (TGF-β). Cardiac fibrosis was induced in mice by either transverse aortic constriction (TAC) or by chronic infusion with angiotensin II (Ang II). RESULTS Through bioinformatic screening, we identified Kruppel-like factor 6 (KLF6) as a transcription factor preferentially up-regulated in cardiac fibroblasts from individuals with non-ischemic cardiomyopathy (NICM) compared to the healthy donors. Further analysis showed that nuclear factor kappa B (NF-κB) bound to the KLF6 promoter and mediated KLF6 trans-activation by pro-fibrogenic stimuli. KLF6 knockdown attenuated whereas KLF6 over-expression enhanced TGF-β induced fibroblast-myofibroblast transition in vitro. More importantly, myofibroblast-specific KLF6 depletion ameliorated cardiac fibrosis and rescued heart function in mice subjected to the TAC procedure or chronic Ang II infusion. SIGNIFICANCE In conclusion, our data support a role for KLF6 in cardiac fibrosis.
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Affiliation(s)
- Nan Li
- Key Laboratory of Targeted Intervention of Cardiovascular Disease and Collaborative Innovation Center for Cardiovascular Translational Medicine, Department of Human Anatomy, Nanjing Medical University, Nanjing, China
| | - Yujia Xue
- Key Laboratory of Targeted Intervention of Cardiovascular Disease and Collaborative Innovation Center for Cardiovascular Translational Medicine, Department of Human Anatomy, Nanjing Medical University, Nanjing, China
| | - Chenghao Zhu
- State Key Laboratory of Natural Medicines, Department of Pharmacology, China Pharmaceutical University, Nanjing, China
| | - Naxia Chen
- Hainan Provincial Key Laboratory for Tropical Cardiovascular Diseases Research and Key Laboratory of Emergency and Trauma of Ministry of Education, Institute of Cardiovascular Research, Department of Cardiology, the First Affiliated Hospital, Hainan Medical University, Haikou, China
| | - Mengwen Qi
- Center for Experimental Medicine, Jiangsu Health Vocational College, Nanjing, China
| | - Mingming Fang
- Center for Experimental Medicine, Jiangsu Health Vocational College, Nanjing, China.
| | - Shan Huang
- Hainan Provincial Key Laboratory for Tropical Cardiovascular Diseases Research and Key Laboratory of Emergency and Trauma of Ministry of Education, Institute of Cardiovascular Research, Department of Cardiology, the First Affiliated Hospital, Hainan Medical University, Haikou, China.
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7
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Sun HJ, Lu QB, Zhu XX, Ni ZR, Su JB, Fu X, Chen G, Zheng GL, Nie XW, Bian JS. Pharmacology of Hydrogen Sulfide and Its Donors in Cardiometabolic Diseases. Pharmacol Rev 2024; 76:846-895. [PMID: 38866561 DOI: 10.1124/pharmrev.123.000928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 04/13/2024] [Accepted: 06/10/2024] [Indexed: 06/14/2024] Open
Abstract
Cardiometabolic diseases (CMDs) are major contributors to global mortality, emphasizing the critical need for novel therapeutic interventions. Hydrogen sulfide (H2S) has garnered enormous attention as a significant gasotransmitter with various physiological, pathophysiological, and pharmacological impacts within mammalian cardiometabolic systems. In addition to its roles in attenuating oxidative stress and inflammatory response, burgeoning research emphasizes the significance of H2S in regulating proteins via persulfidation, a well known modification intricately associated with the pathogenesis of CMDs. This review seeks to investigate recent updates on the physiological actions of endogenous H2S and the pharmacological roles of various H2S donors in addressing diverse aspects of CMDs across cellular, animal, and clinical studies. Of note, advanced methodologies, including multiomics, intestinal microflora analysis, organoid, and single-cell sequencing techniques, are gaining traction due to their ability to offer comprehensive insights into biomedical research. These emerging approaches hold promise in characterizing the pharmacological roles of H2S in health and diseases. We will critically assess the current literature to clarify the roles of H2S in diseases while also delineating the opportunities and challenges they present in H2S-based pharmacotherapy for CMDs. SIGNIFICANCE STATEMENT: This comprehensive review covers recent developments in H2S biology and pharmacology in cardiometabolic diseases CMDs. Endogenous H2S and its donors show great promise for the management of CMDs by regulating numerous proteins and signaling pathways. The emergence of new technologies will considerably advance the pharmacological research and clinical translation of H2S.
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Affiliation(s)
- Hai-Jian Sun
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China (H.-J.S., X.-X.Z., Z.-R.N., J.-B.S., X.F., G.C., G.-L.Z.); Department of Endocrinology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, Jiangsu, China (Q.-B.L.); Shenzhen Key Laboratory of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, Guangdong, China (X.-W.N.); and Department of Pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China (J.-S.B.)
| | - Qing-Bo Lu
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China (H.-J.S., X.-X.Z., Z.-R.N., J.-B.S., X.F., G.C., G.-L.Z.); Department of Endocrinology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, Jiangsu, China (Q.-B.L.); Shenzhen Key Laboratory of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, Guangdong, China (X.-W.N.); and Department of Pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China (J.-S.B.)
| | - Xue-Xue Zhu
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China (H.-J.S., X.-X.Z., Z.-R.N., J.-B.S., X.F., G.C., G.-L.Z.); Department of Endocrinology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, Jiangsu, China (Q.-B.L.); Shenzhen Key Laboratory of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, Guangdong, China (X.-W.N.); and Department of Pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China (J.-S.B.)
| | - Zhang-Rong Ni
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China (H.-J.S., X.-X.Z., Z.-R.N., J.-B.S., X.F., G.C., G.-L.Z.); Department of Endocrinology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, Jiangsu, China (Q.-B.L.); Shenzhen Key Laboratory of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, Guangdong, China (X.-W.N.); and Department of Pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China (J.-S.B.)
| | - Jia-Bao Su
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China (H.-J.S., X.-X.Z., Z.-R.N., J.-B.S., X.F., G.C., G.-L.Z.); Department of Endocrinology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, Jiangsu, China (Q.-B.L.); Shenzhen Key Laboratory of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, Guangdong, China (X.-W.N.); and Department of Pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China (J.-S.B.)
| | - Xiao Fu
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China (H.-J.S., X.-X.Z., Z.-R.N., J.-B.S., X.F., G.C., G.-L.Z.); Department of Endocrinology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, Jiangsu, China (Q.-B.L.); Shenzhen Key Laboratory of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, Guangdong, China (X.-W.N.); and Department of Pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China (J.-S.B.)
| | - Guo Chen
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China (H.-J.S., X.-X.Z., Z.-R.N., J.-B.S., X.F., G.C., G.-L.Z.); Department of Endocrinology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, Jiangsu, China (Q.-B.L.); Shenzhen Key Laboratory of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, Guangdong, China (X.-W.N.); and Department of Pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China (J.-S.B.)
| | - Guan-Li Zheng
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China (H.-J.S., X.-X.Z., Z.-R.N., J.-B.S., X.F., G.C., G.-L.Z.); Department of Endocrinology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, Jiangsu, China (Q.-B.L.); Shenzhen Key Laboratory of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, Guangdong, China (X.-W.N.); and Department of Pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China (J.-S.B.)
| | - Xiao-Wei Nie
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China (H.-J.S., X.-X.Z., Z.-R.N., J.-B.S., X.F., G.C., G.-L.Z.); Department of Endocrinology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, Jiangsu, China (Q.-B.L.); Shenzhen Key Laboratory of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, Guangdong, China (X.-W.N.); and Department of Pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China (J.-S.B.)
| | - Jin-Song Bian
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, China (H.-J.S., X.-X.Z., Z.-R.N., J.-B.S., X.F., G.C., G.-L.Z.); Department of Endocrinology, Affiliated Hospital of Jiangnan University, Jiangnan University, Wuxi, Jiangsu, China (Q.-B.L.); Shenzhen Key Laboratory of Respiratory Diseases, Shenzhen People's Hospital, Shenzhen, Guangdong, China (X.-W.N.); and Department of Pharmacology, School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China (J.-S.B.)
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8
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Tolue Ghasaban F, Taghehchian N, Zangouei AS, Keivany MR, Moghbeli M. MicroRNA-135b mainly functions as an oncogene during tumor progression. Pathol Res Pract 2024; 262:155547. [PMID: 39151250 DOI: 10.1016/j.prp.2024.155547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2024] [Revised: 08/12/2024] [Accepted: 08/14/2024] [Indexed: 08/19/2024]
Abstract
Late diagnosis is considered one of the main reasons of high mortality rate among cancer patients that results in therapeutic failure and tumor relapse. Therefore, it is needed to evaluate the molecular mechanisms associated with tumor progression to introduce efficient markers for the early tumor detection among cancer patients. The remarkable stability of microRNAs (miRNAs) in body fluids makes them potential candidates to use as the non-invasive tumor biomarkers in cancer screening programs. MiR-135b has key roles in prognosis and survival of cancer patients by either stimulating or inhibiting cell proliferation, invasion, and angiogenesis. Therefore, in the present review we assessed the molecular biology of miR-135b during tumor progression to introduce that as a novel tumor marker in cancer patients. It has been reported that miR-135b mainly acts as an oncogene by regulation of transcription factors, signaling pathways, drug response, cellular metabolism, and autophagy. This review paves the way to suggest miR-135b as a tumor marker and therapeutic target in cancer patients following the further clinical trials and animal studies.
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Affiliation(s)
- Faezeh Tolue Ghasaban
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Negin Taghehchian
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amir Sadra Zangouei
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Reza Keivany
- Department of Radiology, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Meysam Moghbeli
- Medical Genetics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medical Genetics and Molecular Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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9
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Ritz NL, Bastiaanssen TFS, Cowan CSM, Smith L, Theune N, Brocka M, Myers EM, Moloney RD, Moloney GM, Shkoporov AN, Draper LA, Hill C, Dinan TG, Slattery DA, Cryan JF. Social fear extinction susceptibility is associated with Microbiota-Gut-Brain axis alterations. Brain Behav Immun 2024; 120:315-326. [PMID: 38852762 DOI: 10.1016/j.bbi.2024.06.009] [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: 11/21/2023] [Revised: 06/06/2024] [Accepted: 06/06/2024] [Indexed: 06/11/2024] Open
Abstract
Social anxiety disorder is a common psychiatric condition that severely affects quality of life of individuals and is a significant societal burden. Although many risk factors for social anxiety exist, it is currently unknown how social fear sensitivity manifests biologically. Furthermore, since some individuals are resilient and others are susceptible to social fear, it is important to interrogate the mechanisms underpinning individual response to social fear situations. The microbiota-gut-brain axis has been associated with social behaviour, has recently been linked with social anxiety disorder, and may serve as a therapeutic target for modulation. Here, we assess the potential of this axis to be linked with social fear extinction processes in a murine model of social anxiety disorder. To this end, we correlated differential social fear responses with microbiota composition, central gene expression, and immune responses. Our data provide evidence that microbiota variability is strongly correlated with alterations in social fear behaviour. Moreover, we identified altered gene candidates by amygdalar transcriptomics that are linked with social fear sensitivity. These include genes associated with social behaviour (Armcx1, Fam69b, Kcnj9, Maoa, Serinc5, Slc6a17, Spata2, and Syngr1), inflammation and immunity (Cars, Ckmt1, Klf5, Maoa, Map3k12, Pex5, Serinc5, Sidt1, Spata2), and microbe-host interaction (Klf5, Map3k12, Serinc5, Sidt1). Together, these data provide further evidence for a role of the microbiota-gut-brain axis in social fear responses.
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Affiliation(s)
- Nathaniel L Ritz
- APC Microbiome Ireland, University College Cork, Cork T12YT20, Ireland; Dept. of Anatomy and Neuroscience, University College Cork, Cork T12YT20, Ireland
| | - Thomaz F S Bastiaanssen
- APC Microbiome Ireland, University College Cork, Cork T12YT20, Ireland; Dept. of Anatomy and Neuroscience, University College Cork, Cork T12YT20, Ireland
| | - Caitlin S M Cowan
- APC Microbiome Ireland, University College Cork, Cork T12YT20, Ireland; Dept. of Anatomy and Neuroscience, University College Cork, Cork T12YT20, Ireland
| | - Linda Smith
- APC Microbiome Ireland, University College Cork, Cork T12YT20, Ireland; School of Microbiology, University College Cork, Cork, T12K8AF, Ireland
| | - Nigel Theune
- APC Microbiome Ireland, University College Cork, Cork T12YT20, Ireland; Dept. of Anatomy and Neuroscience, University College Cork, Cork T12YT20, Ireland
| | - Marta Brocka
- APC Microbiome Ireland, University College Cork, Cork T12YT20, Ireland; Dept. of Anatomy and Neuroscience, University College Cork, Cork T12YT20, Ireland
| | - Eibhlís M Myers
- APC Microbiome Ireland, University College Cork, Cork T12YT20, Ireland; Dept. of Anatomy and Neuroscience, University College Cork, Cork T12YT20, Ireland
| | - Rachel D Moloney
- APC Microbiome Ireland, University College Cork, Cork T12YT20, Ireland; Dept. of Anatomy and Neuroscience, University College Cork, Cork T12YT20, Ireland
| | - Gerard M Moloney
- APC Microbiome Ireland, University College Cork, Cork T12YT20, Ireland; Dept. of Anatomy and Neuroscience, University College Cork, Cork T12YT20, Ireland
| | - Andrey N Shkoporov
- APC Microbiome Ireland, University College Cork, Cork T12YT20, Ireland; School of Microbiology, University College Cork, Cork, T12K8AF, Ireland
| | - Lorraine A Draper
- APC Microbiome Ireland, University College Cork, Cork T12YT20, Ireland; School of Microbiology, University College Cork, Cork, T12K8AF, Ireland
| | - Colin Hill
- APC Microbiome Ireland, University College Cork, Cork T12YT20, Ireland; School of Microbiology, University College Cork, Cork, T12K8AF, Ireland
| | - Timothy G Dinan
- APC Microbiome Ireland, University College Cork, Cork T12YT20, Ireland; Dept. of Psychiatry and Neurobehavioural Science, University College Cork, Cork T12YT20, Ireland
| | - David A Slattery
- Dept. of Psychiatry, Psychosomatics and Psychotherapy, University Hospital Frankfurt, Frankfurt 60528, Germany
| | - John F Cryan
- APC Microbiome Ireland, University College Cork, Cork T12YT20, Ireland; Dept. of Anatomy and Neuroscience, University College Cork, Cork T12YT20, Ireland.
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10
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Holst S, Weber AK, Meier F, Otte J, Petzsch P, Reifenberger J, Wachtmeister T, Westphal D, Ziemer M, Wruck W, Adjaye J, Betz RC, Rütten A, Surowy HM, Redler S. Gene expression profiling in porocarcinoma indicates heterogeneous tumor development and substantiates poromas as precursor lesions. J Dtsch Dermatol Ges 2024; 22:1115-1124. [PMID: 38899945 DOI: 10.1111/ddg.15445] [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: 05/15/2023] [Accepted: 04/02/2024] [Indexed: 06/21/2024]
Abstract
BACKGROUND AND OBJECTIVES Malignant sweat gland tumors are rare, with the most common being eccrine porocarcinoma (EP). Approximately 18% of benign eccrine poroma (EPO) transit to EP. Previous research has provided first insights into the mutational landscape of EP. However, only few studies have performed gene expression analyses. This leaves a gap in the understanding of EP biology and potential drivers of malignant transformation from EPO to EP. METHODS Transcriptome profiling of 23 samples of primary EP and normal skin (NS). Findings from the EP samples were then tested in 17 samples of EPO. RESULTS Transcriptome profiling revealed diversity in gene expression and indicated biologically heterogeneous sub-entities as well as widespread gene downregulation in EP. Downregulated genes included CD74, NDGR1, SRRM2, CDC42, ANXA2, KFL9 and NOP53. Expression levels of CD74, NDGR1, SRRM2, ANXA2, and NOP53 showed a stepwise-reduction in expression from NS via EPO to EP, thus supporting the hypothesis that EPO represents a transitional state in EP development. CONCLUSIONS We demonstrated that EP is molecularly complex and that evolutionary trajectories correspond to tumor initiation and progression. Our results provide further evidence implicating the p53 axis and the EGFR pathway. Larger samples are warranted to confirm our findings.
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Affiliation(s)
- Svenja Holst
- Institute of Human Genetics, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Anna K Weber
- Institute of Human Genetics, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Friedegund Meier
- Department of Dermatology, University Hospital Carl Gustav Carus, TU Dresden, Germany
- Skin Cancer Center at the University Cancer Centre Dresden and National Center for Tumor Diseases, Dresden, Germany
| | - Jörg Otte
- Institute for Stem Cell Research and Regenerative Medicine, Medical Faculty and University Hospital Düsseldorf, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
- Childhood Cancer Research Unit, Department of Women's and Children's Health, Karolinska Institute, Stockholm, Sweden
| | - Patrick Petzsch
- Biological and Medical Research Centre (BMFZ), Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Julia Reifenberger
- Department of Dermatology, Medical Faculty and University Hospital Düsseldorf, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Thorsten Wachtmeister
- Biological and Medical Research Centre (BMFZ), Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Dana Westphal
- Department of Dermatology, University Hospital Carl Gustav Carus, TU Dresden, Germany
- Skin Cancer Center at the University Cancer Centre Dresden and National Center for Tumor Diseases, Dresden, Germany
| | - Mirjana Ziemer
- Department of Dermatology, University Medical Center Leipzig, Leipzig, Germany
| | - Wasco Wruck
- Institute for Stem Cell Research and Regenerative Medicine, Medical Faculty and University Hospital Düsseldorf, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - James Adjaye
- Institute for Stem Cell Research and Regenerative Medicine, Medical Faculty and University Hospital Düsseldorf, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Regina C Betz
- Institute of Human Genetics, University of Bonn, Medical Faculty and University Hospital Bonn, Bonn, Germany
| | - Arno Rütten
- Dermatopathology, Bodensee, Siemensstrasse 6/1, 88048, Friedrichshafen, Germany
| | - Harald M Surowy
- Institute of Human Genetics, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Silke Redler
- Institute of Human Genetics, Medical Faculty and University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
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11
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Li Y, Liu L. UKLF/PCBP2 axis governs the colorectal cancer development by transcriptionally activating SLC39A4. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2024; 1871:119755. [PMID: 38768927 DOI: 10.1016/j.bbamcr.2024.119755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 04/27/2024] [Accepted: 05/07/2024] [Indexed: 05/22/2024]
Abstract
Colorectal cancer (CRC) is one of the most prevalent malignant tumors with limited treatment options. Therefore, there is an urgent need to investigate new therapeutic targets against CRC. Ubiquitous Kruppel-like factor (UKLF) is involved in various cancer processes, but its effect and detailed molecular mechanism in CRC are not yet fully understood. Here, this study aimed to investigate the function and mechanism of UKLF in the development of CRC. The results showed that UKLF was highly expressed in CRC tissues from clinical patients and its high expression was related to poor prognosis. UKLF promoted cell proliferation, migration and invasion, and inhibited cell apoptosis. The promotion effect of UKLF on tumor growth was further confirmed in vivo. As far as the mechanism was concerned, poly (C) binding protein 2 (PCBP2) was verified to bind to the 3'-UTR of UKLF mRNA and enhance its mRNA stability. Moreover, UKLF modulated the expression of solute carrier family 39 member 4 (SLC39A4) at the transcriptional level. Taken together, these findings elucidated the regulatory mechanism of UKLF and uncovered the importance of the PCBP2/UKLF/SLC39A4 pathway. The targeting of UKLF may be a novel direction for molecular-targeted CRC therapy.
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Affiliation(s)
- Yunze Li
- Department of General Surgery, Shengjing Hospital of China Medical University, 36 Sanhao Street, Shenyang 110004, China
| | - Lina Liu
- Department of General Surgery, Shengjing Hospital of China Medical University, 36 Sanhao Street, Shenyang 110004, China.
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12
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Holst S, Weber AK, Meier F, Otte J, Petzsch P, Reifenberger J, Wachtmeister T, Westphal D, Ziemer M, Wruck W, Adjaye J, Betz RC, Rütten A, Surowy HM, Redler S. Genexpressionsprofile beim Porokarzinom deuten auf heterogene Tumorentwicklung hin und untermauern Porome als Vorläuferläsionen. J Dtsch Dermatol Ges 2024; 22:1115-1125. [PMID: 39105214 DOI: 10.1111/ddg.15445_g] [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: 05/15/2023] [Accepted: 04/02/2024] [Indexed: 08/07/2024]
Abstract
ZusammenfassungHintergrund und ZieleMaligne Schweißdrüsentumoren sind selten, wobei das ekkrine Porokarzinom (EP) das häufigste ist. Etwa 18 % der benignen ekkrinen Porome (EPO) entwickeln sich zum EP. Wissenschaftliche Studien haben erste Einblicke in die Mutationslandschaft von EPs geliefert. Allerdings wurden in nur wenigen Studien Genexpressionsanalysen durchgeführt. Dies hinterlässt eine Lücke im Verständnis der EP‐Biologie und potenzieller Treiber der malignen Transformation von EPO zu EP.MethodenEs wurde eine Transkriptomanalyse von 23 Proben primärer EP und normaler Haut (NH) durchgeführt. Die Ergebnisse aus den EP‐Proben wurden dann an 17 EP‐Proben getestet.ErgebnisseDas Transkriptom‐Profiling zeigte eine Vielfalt in der Genexpression und deutete auf biologisch heterogene Subeinheiten sowie eine weit verbreitete Herunterregulierung von Genen im EP hin. Herunterregulierte Gene umfassten CD74, NDGR1, SRRM2, CDC42, ANXA2, KFL9 und NOP53. Die Expressionsniveaus von CD74, NDGR1, SRRM2, ANXA2 und NOP53 zeigten eine stufenweise Abnahme der Expression von NH über EPO zu EP, was die Hypothese unterstützt, dass das EPO einen Zwischenschritt in der EP‐Entwicklung darstellt.SchlussfolgerungenDie Studie zeigt, dass das EP molekular komplex ist und der evolutionäre Verlauf der Tumorinitiierung und ‐progression entspricht. Die Ergebnisse legen eine Beteiligung der p53‐Achse und des EGFR‐Signalwegs nahe. Eine größere Probenanzahl ist erforderlich, um diese Ergebnisse zu bestätigen.
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Affiliation(s)
- Svenja Holst
- Institut für Humangenetik, Medizinische Fakultät und Universitätsklinikum Düsseldorf, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Deutschland
| | - Anna K Weber
- Institut für Humangenetik, Medizinische Fakultät und Universitätsklinikum Düsseldorf, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Deutschland
| | - Friedegund Meier
- Klinik für Dermatologie, Universitätsklinikum Carl Gustav Carus, TU Dresden, Deutschland
- Hautkrebszentrum am Universitätskrebszentrum Dresden und Nationales Zentrum für Tumorerkrankungen, Dresden, Deutschland
| | - Jörg Otte
- Institut für Stammzellforschung und Regenerative Medizin, Medizinische Fakultät und Universitätsklinikum Düsseldorf, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Deutschland
- Einheit für Kinderkrebsforschung, Abteilung für Frauen- und Kinderheilkunde, Karolinska-Institut, Stockholm, Schweden
| | - Patrick Petzsch
- Biologisch-Medizinisches Forschungszentrum (BMFZ), Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Deutschland
| | - Julia Reifenberger
- Klinik für Dermatologie, Medizinische Fakultät und Universitätsklinikum Düsseldorf, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Deutschland
| | - Thorsten Wachtmeister
- Biologisch-Medizinisches Forschungszentrum (BMFZ), Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Deutschland
| | - Dana Westphal
- Klinik für Dermatologie, Universitätsklinikum Carl Gustav Carus, TU Dresden, Deutschland
- Hautkrebszentrum am Universitätskrebszentrum Dresden und Nationales Zentrum für Tumorerkrankungen, Dresden, Deutschland
| | - Mirjana Ziemer
- Klinik für Dermatologie, Universitätsklinikum Leipzig, Leipzig, Deutschland
| | - Wasco Wruck
- Institut für Stammzellforschung und Regenerative Medizin, Medizinische Fakultät und Universitätsklinikum Düsseldorf, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Deutschland
| | - James Adjaye
- Institut für Stammzellforschung und Regenerative Medizin, Medizinische Fakultät und Universitätsklinikum Düsseldorf, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Deutschland
| | - Regina C Betz
- Institut für Humangenetik, Universität Bonn, Medizinische Fakultät und Universitätsklinikum Bonn, Bonn, Deutschland
| | - Arno Rütten
- Dermatopathologie, Bodensee, Siemensstrasse 6/1, 88048 Friedrichshafen, Deutschland
| | - Harald M Surowy
- Institut für Humangenetik, Medizinische Fakultät und Universitätsklinikum Düsseldorf, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Deutschland
| | - Silke Redler
- Institut für Humangenetik, Medizinische Fakultät und Universitätsklinikum Düsseldorf, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Deutschland
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13
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Zheng H, Ye W, Huang K, Chen Q, Yang J, Luo L. KLF15 alleviates oxidative stress and apoptosis of H/R-induced trophoblast cells to improve invasion and migration capacity via the activation of IGF1R. Tissue Cell 2024; 90:102485. [PMID: 39067323 DOI: 10.1016/j.tice.2024.102485] [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: 04/18/2024] [Revised: 07/17/2024] [Accepted: 07/18/2024] [Indexed: 07/30/2024]
Abstract
BACKGROUND Krüppel-like factor 15 (KLF15) has been reported to be involved in ischemia injury of multiple types of diseases. Nevertheless, the roles and underlying mechanisms of KLF15 in preeclampsia (PE) are still unclear. METHODS In this study, the expression of KLF15 in placenta tissues and hypoxia/reoxygenation (H/R)-induced HTR8/SVneo cells was evaluated by GSE66273 database, qRT-PCR and western blot assay. CCK-8 assay was employed to detect cell proliferation. Wound healing assay and transwell assay were used to detect cell migration and invasion. Cell oxidative stress was measured by DCFH-DA staining and kits. Cell apoptosis was evaluated by TUNEL assay and western blot assay. The JASPAR database was used to analyze the binding site of KLF15 and insulin-like growth factor-1 receptor (IGF1R) promoter region. The luciferase reporter assay was used to detect IGF1R promoter activity and ChIP assay was used to verify the combination of KLF15 and IGF1R promoter. Moreover, western blot was employed to measure the expressions of PI3K/Akt-related proteins. RESULTS The data showed that the expression of KLF15 was significantly downregulated in GSE66273 database, tissues and HTR8/SVneo cells. KLF15 overexpression increased H/R-induced HTR8/SVneo cell proliferation, invasion and migration, and inhibited oxidative stress and cell apoptosis. In addition, IGF1R was highly expressed in H/R-induced HTR8/SVneo cells after KLF15 overexpression, and the binding of KLF15 and IGF1R promoter was verified. Silencing of IGF1R reversed the effects of KLF15 overexpression on H/R-induced HTR8/SVneo cell proliferation, migration, invasion, oxidative stress and cell apoptosis. Moreover, KLF15 overexpression and IGF1R silencing regulated the expressions of PI3K/Akt-related proteins in H/R-induced HTR8/SVneo cells. CONCLUSION In conclusion, KLF15 overexpression promoted the proliferation and metastasis, and suppressed oxidative stress and cell apoptosis of H/R-induced HTR8/SVneo cells through mediating the PI3K/Akt pathway, which may provide a promising target for the treatment of preeclampsia.
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Affiliation(s)
- Huimu Zheng
- Department of Obstetrics, Longgang District Maternity & Child Healthcare Hospital of Shenzhen City (Longgang Maternity and Child Institute of Shantou University Medical College), Shenzhen, Guangdong 518172, China
| | - Wei Ye
- Department of Obstetrics, Longgang District Maternity & Child Healthcare Hospital of Shenzhen City (Longgang Maternity and Child Institute of Shantou University Medical College), Shenzhen, Guangdong 518172, China
| | - Kangrong Huang
- Department of Obstetrics, Longgang District Maternity & Child Healthcare Hospital of Shenzhen City (Longgang Maternity and Child Institute of Shantou University Medical College), Shenzhen, Guangdong 518172, China
| | - Qiuzhen Chen
- Department of Obstetrics, Longgang District Maternity & Child Healthcare Hospital of Shenzhen City (Longgang Maternity and Child Institute of Shantou University Medical College), Shenzhen, Guangdong 518172, China
| | - Jinying Yang
- Department of Obstetrics, Longgang District Maternity & Child Healthcare Hospital of Shenzhen City (Longgang Maternity and Child Institute of Shantou University Medical College), Shenzhen, Guangdong 518172, China
| | - Liefang Luo
- Department of Obstetrics, Longgang District Maternity & Child Healthcare Hospital of Shenzhen City (Longgang Maternity and Child Institute of Shantou University Medical College), Shenzhen, Guangdong 518172, China.
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14
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Choi BH, Hyun S, Koo SH. The role of BCAA metabolism in metabolic health and disease. Exp Mol Med 2024; 56:1552-1559. [PMID: 38956299 PMCID: PMC11297153 DOI: 10.1038/s12276-024-01263-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 03/11/2024] [Accepted: 03/19/2024] [Indexed: 07/04/2024] Open
Abstract
It has long been postulated that dietary restriction is beneficial for ensuring longevity and extending the health span of mammals, including humans. In particular, a reduction in protein consumption has been shown to be specifically linked to the beneficial effect of dietary restriction on metabolic disorders, presumably by reducing the activity of the mechanistic target of rapamycin complex (mTORC) 1 and the reciprocal activation of AMP-activated protein kinase (AMPK) and sirtuin pathways. Although it is widely used as a dietary supplement to delay the aging process in humans, recent evidence suggests that branched-chain amino acids (BCAAs) might be a major cause of the deteriorating effect of a protein diet on aging and related disorders. In this review, we delineate the regulation of metabolic pathways for BCAAs at the tissue-specific level and summarize recent findings regarding the role of BCAAs in the control of metabolic health and disease in mammals.
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Affiliation(s)
| | - Seunghoon Hyun
- Division of Life Sciences, Korea University, Seoul, Korea
| | - Seung-Hoi Koo
- Division of Life Sciences, Korea University, Seoul, Korea.
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15
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Zhong J, Yuan H, Yang J, Du Y, Li Z, Liu X, Yang H, Wang Z, Wang Z, Jiang L, Ren Z, Li H, Li Z, Liu Y. Bioinformatics and system biology approach to identify potential common pathogenesis for COVID-19 infection and sarcopenia. Front Med (Lausanne) 2024; 11:1378846. [PMID: 38978778 PMCID: PMC11228343 DOI: 10.3389/fmed.2024.1378846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 06/13/2024] [Indexed: 07/10/2024] Open
Abstract
Sarcopenia is a condition characterized by age-related loss of muscle mass and strength. Increasing evidence suggests that patients with sarcopenia have higher rates of coronavirus 2019 (COVID-19) infection and poorer post-infection outcomes. However, the exact mechanism and connections between the two is unknown. In this study, we used high-throughput data from the GEO database for sarcopenia (GSE111016) and COVID-19 (GSE171110) to identify common differentially expressed genes (DEGs). We conducted GO and KEGG pathway analyses, as well as PPI network analysis on these DEGs. Using seven algorithms from the Cytoscape plug-in cytoHubba, we identified 15 common hub genes. Further analyses included enrichment, PPI interaction, TF-gene and miRNA-gene regulatory networks, gene-disease associations, and drug prediction. Additionally, we evaluated immune cell infiltration with CIBERSORT and assessed the diagnostic accuracy of hub genes for sarcopenia and COVID-19 using ROC curves. In total, we identified 66 DEGs (34 up-regulated and 32 down-regulated) and 15 hub genes associated with sarcopenia and COVID-19. GO and KEGG analyses revealed functions and pathways between the two diseases. TF-genes and TF-miRNA regulatory network suggest that FOXOC1 and hsa-mir-155-5p may be identified as key regulators, while gene-disease analysis showed strong correlations with hub genes in schizophrenia and bipolar disorder. Immune infiltration showed a correlation between the degree of immune infiltration and the level of infiltration of different immune cell subpopulations of hub genes in different datasets. The ROC curves for ALDH1L2 and KLF5 genes demonstrated their potential as diagnostic markers for both sarcopenia and COVID-19. This study suggests that sarcopenia and COVID-19 may share pathogenic pathways, and these pathways and hub genes offer new targets and strategies for early diagnosis, effective treatment, and tailored therapies for sarcopenia patients with COVID-19.
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Affiliation(s)
- Jun Zhong
- School of Clinical Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Hui Yuan
- School of Clinical Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Jinghong Yang
- School of Clinical Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Yimin Du
- School of Clinical Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Zheng Li
- Department of Orthopedics, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Xu Liu
- School of Clinical Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Haibo Yang
- School of Clinical Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Zhaojun Wang
- School of Clinical Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Zi Wang
- School of Clinical Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Lujun Jiang
- School of Clinical Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Zhiqiang Ren
- School of Clinical Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Hongliang Li
- School of Clinical Medicine, Southwest Medical University, Luzhou, Sichuan, China
| | - Zhong Li
- Department of Orthopedics, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Yanshi Liu
- Department of Orthopedics, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
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16
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Hou W, Huo KG, Guo X, Xu M, Yang Y, Shi Z, Xu W, Tu J, Gao T, Ma Z, Han S. KLF15-Cyp3a11 Axis Regulates Rifampicin-Induced Liver Injury. Drug Metab Dispos 2024; 52:606-613. [PMID: 38670799 DOI: 10.1124/dmd.123.001617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 03/29/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
Rifampicin (RFP) has demonstrated potent antibacterial effects in the treatment of pulmonary tuberculosis. However, the serious adverse effects on the liver intensively limit the clinical usage of the drug. Deacetylation greatly reduces the toxicity of RFP but also retains its curative activity. Here, we found that Krüppel-like factor 15 (KLF15) repressed the expression of the major RFP detoxification enzyme Cyp3a11 in mice via both direct and indirect mechanisms. Knockout of hepatocyte KLF15 induced the expression of Cyp3a11 and robustly attenuated the hepatotoxicity of RFP in mice. In contrast, overexpression of hepatic KLF15 exacerbated RFP-induced liver injury as well as mortality. More importantly, the suppression of hepatic KLF15 expression strikingly restored liver functions in mice even after being pretreated with overdosed RFP. Therefore, this study identified the KLF15-Cyp3a11 axis as a novel regulatory pathway that may play an essential role in the detoxification of RFP and associated liver injury. SIGNIFICANCE STATEMENT: Rifampicin has demonstrated antibacterial effects in the treatment of pulmonary tuberculosis. However, the serious adverse effects on the liver limit the clinical usage of the drug. Permanent depletion and transient inhibition of hepatic KLF15 expression significantly induced the expression of Cyp3a11 and robustly attenuated mouse hepatotoxicity induced by RFP. Overall, our studies show the KLF15-Cyp3a11 axis was identified as a novel regulatory pathway that may play an essential role in the detoxification of RFP and associated liver injury.
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Affiliation(s)
- Wanqing Hou
- Department of Hepatobiliary Surgery, Anhui Province Key Laboratory of Hepatopancreatobiliary Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China (W.H., X.G.); Cyagen Biosciences (Guangzhou) Inc. Guangzhou, Guangdong, China (K.-G.H.); Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, China (M.X., Y.Y., Z.S., J.T., Z.M., S.H.); Department of Biochemistry, Case Western Reserve University, Cleveland, Ohio (W.X.); and Lantu Biopharma, Guangzhou, China (T.G.)
| | - Ku-Geng Huo
- Department of Hepatobiliary Surgery, Anhui Province Key Laboratory of Hepatopancreatobiliary Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China (W.H., X.G.); Cyagen Biosciences (Guangzhou) Inc. Guangzhou, Guangdong, China (K.-G.H.); Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, China (M.X., Y.Y., Z.S., J.T., Z.M., S.H.); Department of Biochemistry, Case Western Reserve University, Cleveland, Ohio (W.X.); and Lantu Biopharma, Guangzhou, China (T.G.)
| | - Xiaohua Guo
- Department of Hepatobiliary Surgery, Anhui Province Key Laboratory of Hepatopancreatobiliary Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China (W.H., X.G.); Cyagen Biosciences (Guangzhou) Inc. Guangzhou, Guangdong, China (K.-G.H.); Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, China (M.X., Y.Y., Z.S., J.T., Z.M., S.H.); Department of Biochemistry, Case Western Reserve University, Cleveland, Ohio (W.X.); and Lantu Biopharma, Guangzhou, China (T.G.)
| | - Mengtong Xu
- Department of Hepatobiliary Surgery, Anhui Province Key Laboratory of Hepatopancreatobiliary Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China (W.H., X.G.); Cyagen Biosciences (Guangzhou) Inc. Guangzhou, Guangdong, China (K.-G.H.); Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, China (M.X., Y.Y., Z.S., J.T., Z.M., S.H.); Department of Biochemistry, Case Western Reserve University, Cleveland, Ohio (W.X.); and Lantu Biopharma, Guangzhou, China (T.G.)
| | - Yongting Yang
- Department of Hepatobiliary Surgery, Anhui Province Key Laboratory of Hepatopancreatobiliary Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China (W.H., X.G.); Cyagen Biosciences (Guangzhou) Inc. Guangzhou, Guangdong, China (K.-G.H.); Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, China (M.X., Y.Y., Z.S., J.T., Z.M., S.H.); Department of Biochemistry, Case Western Reserve University, Cleveland, Ohio (W.X.); and Lantu Biopharma, Guangzhou, China (T.G.)
| | - Zhuangqi Shi
- Department of Hepatobiliary Surgery, Anhui Province Key Laboratory of Hepatopancreatobiliary Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China (W.H., X.G.); Cyagen Biosciences (Guangzhou) Inc. Guangzhou, Guangdong, China (K.-G.H.); Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, China (M.X., Y.Y., Z.S., J.T., Z.M., S.H.); Department of Biochemistry, Case Western Reserve University, Cleveland, Ohio (W.X.); and Lantu Biopharma, Guangzhou, China (T.G.)
| | - Weixiong Xu
- Department of Hepatobiliary Surgery, Anhui Province Key Laboratory of Hepatopancreatobiliary Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China (W.H., X.G.); Cyagen Biosciences (Guangzhou) Inc. Guangzhou, Guangdong, China (K.-G.H.); Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, China (M.X., Y.Y., Z.S., J.T., Z.M., S.H.); Department of Biochemistry, Case Western Reserve University, Cleveland, Ohio (W.X.); and Lantu Biopharma, Guangzhou, China (T.G.)
| | - Jinqi Tu
- Department of Hepatobiliary Surgery, Anhui Province Key Laboratory of Hepatopancreatobiliary Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China (W.H., X.G.); Cyagen Biosciences (Guangzhou) Inc. Guangzhou, Guangdong, China (K.-G.H.); Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, China (M.X., Y.Y., Z.S., J.T., Z.M., S.H.); Department of Biochemistry, Case Western Reserve University, Cleveland, Ohio (W.X.); and Lantu Biopharma, Guangzhou, China (T.G.)
| | - Tangxin Gao
- Department of Hepatobiliary Surgery, Anhui Province Key Laboratory of Hepatopancreatobiliary Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China (W.H., X.G.); Cyagen Biosciences (Guangzhou) Inc. Guangzhou, Guangdong, China (K.-G.H.); Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, China (M.X., Y.Y., Z.S., J.T., Z.M., S.H.); Department of Biochemistry, Case Western Reserve University, Cleveland, Ohio (W.X.); and Lantu Biopharma, Guangzhou, China (T.G.)
| | - Zhenghai Ma
- Department of Hepatobiliary Surgery, Anhui Province Key Laboratory of Hepatopancreatobiliary Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China (W.H., X.G.); Cyagen Biosciences (Guangzhou) Inc. Guangzhou, Guangdong, China (K.-G.H.); Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, China (M.X., Y.Y., Z.S., J.T., Z.M., S.H.); Department of Biochemistry, Case Western Reserve University, Cleveland, Ohio (W.X.); and Lantu Biopharma, Guangzhou, China (T.G.)
| | - Shuxin Han
- Department of Hepatobiliary Surgery, Anhui Province Key Laboratory of Hepatopancreatobiliary Surgery, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China (W.H., X.G.); Cyagen Biosciences (Guangzhou) Inc. Guangzhou, Guangdong, China (K.-G.H.); Xinjiang Key Laboratory of Biological Resources and Genetic Engineering, College of Life Science and Technology, Xinjiang University, Urumqi, China (M.X., Y.Y., Z.S., J.T., Z.M., S.H.); Department of Biochemistry, Case Western Reserve University, Cleveland, Ohio (W.X.); and Lantu Biopharma, Guangzhou, China (T.G.)
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17
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Lin J, Liu P, Sun K, Jiang L, Liu Y, Huang Y, Liu J, Shi M, Zhang J, Wang T, Shen B. Comprehensive analysis of KLF family reveals KLF6 as a promising prognostic and immune biomarker in pancreatic ductal adenocarcinoma. Cancer Cell Int 2024; 24:177. [PMID: 38773440 PMCID: PMC11106939 DOI: 10.1186/s12935-024-03369-3] [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: 01/27/2024] [Accepted: 05/11/2024] [Indexed: 05/23/2024] Open
Abstract
BACKGROUND Pancreatic ductal adenocarcinoma (PDAC) is one of the deadliest tumors worldwide, with extremely aggressive and complicated biology. Krüppel-like factors (KLFs) encode a series of transcriptional regulatory proteins and play crucial roles in a variety of processes, including tumor cell differentiation and proliferation. However, the potential biological functions and possible pathways of KLFs in the progression of PDAC remain elusive. METHODS We systematically evaluated the transcriptional variations and expression patterns of KLFs in pancreatic cancer from the UCSC Xena. Based on difference analysis, the non-negative matrix factorization (NMF) algorithm was utilized to identify the immune characteristics and clinical significance of two different subtypes. The multivariate Cox regression was used to construct the risk model and then explore the differences in tumor immune microenvironment (TIME) and drug sensitivity between high and low groups. Through single-cell RNA sequencing (scRNA-seq) analysis, we screened KLF6 and further investigated its biological functions in pancreatic cancer and pan-cancer. RESULTS The KLFs exhibited differential expression and mutations in the transcriptomic profile of PDAC. According to the expression of KLFs, patients were classified into two distinct subtypes, each exhibiting significant differences in prognosis and TIME. Moreover, the KLF signature was developed using univariate Cox and Lasso regression, which proved to be a reliable and effective prognostic model. Furthermore, the KLF_Score was closely associated with immune infiltration, response to immunotherapy, and drug sensitivity and we screened small molecule compounds targeting prognostic genes separately. Through scRNA-seq analysis, KLF6 was selected to further demonstrate its role in the malignance of PC in vitro. Finally, pan-cancer analysis emphasized the biological significance of KLF6 in multiple types of tumors and its clinical utility in assessing cancer prognosis. CONCLUSION This study elucidated the pivotal role of KLF family genes in the malignant development of PC through comprehensive analysis and revealed that KLF6 would be a novel diagnostic biomolecule marker and potential therapeutic target for PDAC.
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Affiliation(s)
- Jiayu Lin
- Department of General Surgery, Pancreatic Disease Center, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Pancreatic Neoplasms Translational Medicine, Shanghai, China
- Research Institute of Pancreatic Diseases, Shanghai Jiaotong University School of Medicine, Shanghai, China
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiaotong University, Shanghai, China
- Institute of Translational Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Pengyi Liu
- Department of General Surgery, Pancreatic Disease Center, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Pancreatic Neoplasms Translational Medicine, Shanghai, China
- Research Institute of Pancreatic Diseases, Shanghai Jiaotong University School of Medicine, Shanghai, China
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiaotong University, Shanghai, China
- Institute of Translational Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Keyan Sun
- Department of General Surgery, Pancreatic Disease Center, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Pancreatic Neoplasms Translational Medicine, Shanghai, China
- Research Institute of Pancreatic Diseases, Shanghai Jiaotong University School of Medicine, Shanghai, China
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiaotong University, Shanghai, China
- Institute of Translational Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Lingxi Jiang
- Department of General Surgery, Pancreatic Disease Center, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Pancreatic Neoplasms Translational Medicine, Shanghai, China
- Research Institute of Pancreatic Diseases, Shanghai Jiaotong University School of Medicine, Shanghai, China
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiaotong University, Shanghai, China
- Institute of Translational Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Yang Liu
- Department of General Surgery, Pancreatic Disease Center, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Pancreatic Neoplasms Translational Medicine, Shanghai, China
- Research Institute of Pancreatic Diseases, Shanghai Jiaotong University School of Medicine, Shanghai, China
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiaotong University, Shanghai, China
- Institute of Translational Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Yishu Huang
- Department of General Surgery, Pancreatic Disease Center, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Pancreatic Neoplasms Translational Medicine, Shanghai, China
- Research Institute of Pancreatic Diseases, Shanghai Jiaotong University School of Medicine, Shanghai, China
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiaotong University, Shanghai, China
- Institute of Translational Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Jia Liu
- Department of General Surgery, Pancreatic Disease Center, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Pancreatic Neoplasms Translational Medicine, Shanghai, China
- Research Institute of Pancreatic Diseases, Shanghai Jiaotong University School of Medicine, Shanghai, China
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiaotong University, Shanghai, China
- Institute of Translational Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Minmin Shi
- Department of General Surgery, Pancreatic Disease Center, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Pancreatic Neoplasms Translational Medicine, Shanghai, China
- Research Institute of Pancreatic Diseases, Shanghai Jiaotong University School of Medicine, Shanghai, China
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiaotong University, Shanghai, China
- Institute of Translational Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Jun Zhang
- Department of General Surgery, Pancreatic Disease Center, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Pancreatic Neoplasms Translational Medicine, Shanghai, China
- Research Institute of Pancreatic Diseases, Shanghai Jiaotong University School of Medicine, Shanghai, China
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Jiaotong University, Shanghai, China
- Institute of Translational Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Ting Wang
- Department of Pathology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Baiyong Shen
- Department of General Surgery, Pancreatic Disease Center, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, People's Republic of China.
- Research Institute of Pancreatic Diseases, Shanghai Key Laboratory of Translational Research for Pancreatic Neoplasms, Shanghai Jiaotong University School of Medicine, Shanghai, People's Republic of China.
- State Key Laboratory of Oncogenes and Related Genes, Institute of Translational Medicine, Shanghai Jiaotong University, Shanghai, People's Republic of China.
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18
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Abbas Raza SH, Zhong R, Wei X, Zhao G, Zan L, Pant SD, Schreurs NM, Lei H. Investigating the Role of KLF6 in the Growth of Bovine Preadipocytes: Using Transcriptomic Analyses to Understand Beef Quality. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:9656-9668. [PMID: 38642059 DOI: 10.1021/acs.jafc.4c01115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/22/2024]
Abstract
Intramuscular fat is a crucial determinant of carcass quality traits like tenderness and taste, which in turn is influenced by the proliferation of intramuscular preadipocytes. This study aimed to investigate the Krüppel-like factor 6 (KLF6)-mediated proliferation of bovine preadipocytes and identify underlying molecular mechanisms. Down-regulation of KLF6 by siKLF6 resulted in a significant (p < 0.01) suppression of cell cycle-related genes including CDK1, MCM6, ZNF4, PCNA, CDK2, CCNB1, and CDK6. Conversely, the expression level of p27 was significantly (p < 0.01) increased. Moreover, EdU (5-ethynyl-20-deoxyuridine) staining revealed a significant decrease in EdU-labeled cells due to KLF6 down-regulation. Collectively, these findings indicate that KLF6 down-regulation inhibits adipocyte proliferation. Furthermore, RNA sequencing of preadipocytes transfected with siKLF6 and NC, followed by differential gene expression analysis, identified 100 up-regulated and 70 down-regulated genes. Additionally, the differentially expressed genes also significantly influenced various Gene Ontology (GO) terms related to cell cycle, nuclear chromosomes, and catalytic activity on DNA. Furthermore, the top 20 pathways enriched in these DEGs included cell cycle, DNA replication, cellular senescence, and homologous recombination. These GO terms and KEGG pathways play key roles in bovine preadipocyte proliferation. In conclusion, the results of this study suggest that KLF6 positively regulates the proliferation of bovine preadipocytes.
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Affiliation(s)
- Sayed Haidar Abbas Raza
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan University, Shaoguan 512005, China
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Ruimin Zhong
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan University, Shaoguan 512005, China
| | - Xiaoqun Wei
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China
| | - Gang Zhao
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China
| | - Linsen Zan
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Sameer D Pant
- Gulbali Institute, Charles Sturt University, Wagga Wagga, New South Wales 2678, Australia
| | - Nicola M Schreurs
- Animal Science, School Agriculture, and Environment, Massey University, Palmerston North 4442, New Zealand
| | - Hongtao Lei
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China
- Licheng Detection & Certification Group Co., Ltd., Zhongshan 528400, China
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19
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Gao W, Gu K, Ma L, Yang F, Deng L, Zhang Y, Miao MZ, Li W, Li G, Qian H, Zhang Z, Wang G, Yu H, Liu X. Interstitial Fluid Shear Stress Induces the Synthetic Phenotype Switching of VSMCs to Release Pro-calcified Extracellular Vesicles via EGFR-MAPK-KLF5 Pathway. Int J Biol Sci 2024; 20:2727-2747. [PMID: 38725857 PMCID: PMC11077359 DOI: 10.7150/ijbs.90725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 04/20/2024] [Indexed: 05/12/2024] Open
Abstract
Phenotypic switching (from contractile to synthetic) of vascular smooth muscle cells (VSMCs) is essential in the progression of atherosclerosis. The damaged endothelium in the atherosclerotic artery exposes VSMCs to increased interstitial fluid shear stress (IFSS). However, the precise mechanisms by which increased IFSS influences VSMCs phenotypic switching are unrevealed. Here, we employed advanced numerical simulations to calculate IFSS values accurately based on parameters acquired from patient samples. We then carefully investigated the phenotypic switching and extracellular vesicles (EVs) secretion of VSMCs under various IFSS conditions. By employing a comprehensive set of approaches, we found that VSMCs exhibited synthetic phenotype upon atherosclerotic IFSS. This synthetic phenotype is the upstream regulator for the enhanced secretion of pro-calcified EVs. Mechanistically, as a mechanotransducer, the epidermal growth factor receptor (EGFR) initiates the flow-based mechanical cues to MAPK signaling pathway, facilitating the nuclear accumulation of the transcription factor krüppel-like factor 5 (KLF5). Furthermore, pharmacological inhibiting either EGFR or MAPK signaling pathway blocks the nuclear accumulation of KLF5 and finally results in the maintenance of contractile VSMCs even under increased IFSS stimulation. Collectively, targeting this signaling pathway holds potential as a novel therapeutic strategy to inhibit VSMCs phenotypic switching and mitigate the progression of atherosclerosis.
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Affiliation(s)
- Wenbo Gao
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - Kaiyun Gu
- Department of Cardiac Surgery, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou 310052, China
| | - Lunjie Ma
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - Fan Yang
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - Li Deng
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - Yaojia Zhang
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - Michael Z. Miao
- Division of Oral & Craniofacial Health Sciences, Adams School of Dentistry, University of North Carolina at Chapel Hill, NC, 27599, USA
| | - Wenjun Li
- Division of Oral & Craniofacial Health Sciences, Adams School of Dentistry, University of North Carolina at Chapel Hill, NC, 27599, USA
| | - Gang Li
- Department of Genome Sciences, University of Washington, William H. Foege Hall, 3720 15th Ave NE, Seattle 98195, USA
| | - Hong Qian
- Department of Cardiovascular Surgery, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Zhen Zhang
- Department of Cardiology, The Third People's Hospital of Chengdu, Affiliated Hospital of Southwest Jiaotong University, Chengdu 610031, China
| | - Guixue Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
- JinFeng Laboratory, Chongqing 401329, China
| | - Hongchi Yu
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - Xiaoheng Liu
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China
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20
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Li Y, Yan J, Sun H, Liang Y, Zhao Q, Yu S, Zhang Y. Ferroptosis inhibitor alleviates sorafenib-induced cardiotoxicity by attenuating KLF11-mediated FSP1-dependent ferroptosis. Int J Biol Sci 2024; 20:2622-2639. [PMID: 38725840 PMCID: PMC11077382 DOI: 10.7150/ijbs.86479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 04/17/2024] [Indexed: 05/12/2024] Open
Abstract
Sorafenib is a standard first-line drug for advanced hepatocellular carcinoma, but the serious cardiotoxic effects restrict its therapeutic applicability. Here, we show that iron-dependent ferroptosis plays a vital role in sorafenib-induced cardiotoxicity. Remarkably, our in vivo and in vitro experiments demonstrated that ferroptosis inhibitor application neutralized sorafenib-induced heart injury. By analyzing transcriptome profiles of adult human sorafenib-treated cardiomyocytes, we found that Krüppel-like transcription factor 11 (KLF11) expression significantly increased after sorafenib stimulation. Mechanistically, KLF11 promoted ferroptosis by suppressing transcription of ferroptosis suppressor protein 1 (FSP1), a seminal breakthrough due to its ferroptosis-repressing properties. Moreover, FSP1 knockdown showed equivalent results to glutathione peroxidase 4 (GPX4) knockdown, and FSP1 overexpression counteracted GPX4 inhibition-induced ferroptosis to a substantial extent. Cardiac-specific overexpression of FSP1 and silencing KLF11 by an adeno-associated virus serotype 9 markedly improved cardiac dysfunction in sorafenib-treated mice. In summary, FSP1-mediated ferroptosis is a crucial mechanism for sorafenib-provoked cardiotoxicity, and targeting ferroptosis may be a promising therapeutic strategy for alleviating sorafenib-induced cardiac damage.
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Affiliation(s)
- Yilan Li
- Department of Cardiology, the Second Affiliated Hospital of Harbin Medical University, Harbin 150086, China
- Key Laboratory of Myocardial Ischemia, Ministry of Education, Harbin Medical University, Harbin 150086, China
| | - Jingru Yan
- Department of Cardiology, the Second Affiliated Hospital of Harbin Medical University, Harbin 150086, China
- Key Laboratory of Myocardial Ischemia, Ministry of Education, Harbin Medical University, Harbin 150086, China
| | - Heng Sun
- Cancer Centre, Faculty of Health Sciences, University of Macau, Macau, China
- Ministry of Education Frontiers Science Center for Precision Oncology, University of Macau, Macau, China
| | - Yating Liang
- Department of Cardiology, the Second Affiliated Hospital of Harbin Medical University, Harbin 150086, China
- Key Laboratory of Myocardial Ischemia, Ministry of Education, Harbin Medical University, Harbin 150086, China
| | - Qianqian Zhao
- Department of Cardiology, the Second Affiliated Hospital of Harbin Medical University, Harbin 150086, China
- Key Laboratory of Myocardial Ischemia, Ministry of Education, Harbin Medical University, Harbin 150086, China
| | - Shan Yu
- Department of Pathology, the Second Affiliated Hospital of Harbin Medical University, Harbin 150086, China
| | - Yao Zhang
- Department of Cardiology, the Second Affiliated Hospital of Harbin Medical University, Harbin 150086, China
- Key Laboratory of Myocardial Ischemia, Ministry of Education, Harbin Medical University, Harbin 150086, China
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21
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Chen H, Hou S, Zhang H, Zhou B, Xi H, Li X, Lufeng Z, Guo Q. MiR-375 impairs breast cancer cell stemness by targeting the KLF5/G6PD signaling axis. ENVIRONMENTAL TOXICOLOGY 2024. [PMID: 38470012 DOI: 10.1002/tox.24204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 02/05/2024] [Accepted: 02/18/2024] [Indexed: 03/13/2024]
Abstract
Recurrence of breast cancer may be due to the presence of breast cancer stem cells (BCSC). Abnormal tumor cell growth is closely associated with increased reactive oxygen species (ROS) and disruption of redox homeostasis, and BCSCs exhibit low levels of ROS. The detailed mechanism between the low levels of ROS in BCSCs and their maintenance of stemness characteristics has not been reported. A growing number of studies have shown that tumor development is often accompanied by metabolic reprogramming, which is an important hallmark of tumor cells. As the first rate-limiting enzyme of pentose phosphate pathway (PPP), the expression of G6PD is precisely regulated in tumor cells, and there is a certain correlation between PPP and BCSCs. MiR-375 has been shown to inhibit stem cell-like properties in breast cancer, but the exact mechanism is not clear. Here, KLF5, as a transcription factor, was identified to bind to the promoter of G6PD to promote its expression, whereas miR-375 inhibited the expression of KLF5 by binding to the 3'UTR region of KLF5 mRNA and thus reduced the expression of G6PD expression, inhibits PPP to reduce NADPH, and increases ROS levels in breast cancer cells, thereby weakening breast cancer cell stemness. Our study reveals the specific mechanism by which miR-375 targets the KLF5/G6PD signaling axis to diminish the stemness of breast cancer cells, providing a therapeutic strategy against BCSCs.
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Affiliation(s)
- Haitao Chen
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Shanshan Hou
- Department of Pharmacy, Zhejiang Pharmaceutical University, Ningbo, People's Republic of China
| | - Hongwei Zhang
- Department of Anesthesiology, Hepatobiliary Surgery, Neonatology, The First Affiliated Hospital of Xinxiang Medical University, Wei Hui, China
| | - Bing Zhou
- Department of Anesthesiology, Hepatobiliary Surgery, Neonatology, The First Affiliated Hospital of Xinxiang Medical University, Wei Hui, China
| | - Huifang Xi
- Department of Anesthesiology, Hepatobiliary Surgery, Neonatology, The First Affiliated Hospital of Xinxiang Medical University, Wei Hui, China
| | - Xiaofang Li
- Department of Anesthesiology, Hepatobiliary Surgery, Neonatology, The First Affiliated Hospital of Xinxiang Medical University, Wei Hui, China
| | - Zheng Lufeng
- School of Life Science and Technology, China Pharmaceutical University, Nanjing, China
| | - Qianqian Guo
- Department of Pharmacy, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou, People's Republic of China
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22
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Hu Y, Wang Y, He Y, Ye M, Yuan J, Ren C, Wang X, Wang S, Guo Y, Cao Q, Zhou S, Wang B, He A, Hu J, Guo X, Shu W, Huo R. Maternal KLF17 controls zygotic genome activation by acting as a messenger for RNA Pol II recruitment in mouse embryos. Dev Cell 2024; 59:613-626.e6. [PMID: 38325372 DOI: 10.1016/j.devcel.2024.01.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 09/01/2023] [Accepted: 01/17/2024] [Indexed: 02/09/2024]
Abstract
Initiation of timely and sufficient zygotic genome activation (ZGA) is crucial for the beginning of life, yet our knowledge of transcription factors (TFs) contributing to ZGA remains limited. Here, we screened the proteome of early mouse embryos after cycloheximide (CHX) treatment and identified maternally derived KLF17 as a potential TF for ZGA genes. Using a conditional knockout (cKO) mouse model, we further investigated the role of maternal KLF17 and found that it promotes embryonic development and full fertility. Mechanistically, KLF17 preferentially binds to promoters and recruits RNA polymerase II (RNA Pol II) in early 2-cell embryos, facilitating the expression of major ZGA genes. Maternal Klf17 knockout resulted in a downregulation of 9% of ZGA genes and aberrant RNA Pol II pre-configuration, which could be partially rescued by introducing exogenous KLF17. Overall, our study provides a strategy for screening essential ZGA factors and identifies KLF17 as a crucial TF in this process.
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Affiliation(s)
- Yue Hu
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Histology and Embryology, Suzhou Affiliated Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Nanjing, China
| | | | - Yuanlin He
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Histology and Embryology, Suzhou Affiliated Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Nanjing, China
| | - Maosheng Ye
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Histology and Embryology, Suzhou Affiliated Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Nanjing, China
| | - Jie Yuan
- Bioinformatics Center of AMMS, Beijing, China
| | - Chao Ren
- Bioinformatics Center of AMMS, Beijing, China
| | - Xia Wang
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Histology and Embryology, Suzhou Affiliated Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Nanjing, China
| | - Siqi Wang
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Histology and Embryology, Suzhou Affiliated Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Nanjing, China
| | - Yueshuai Guo
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Histology and Embryology, Suzhou Affiliated Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Nanjing, China
| | - Qiqi Cao
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Histology and Embryology, Suzhou Affiliated Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Nanjing, China
| | - Shuai Zhou
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Histology and Embryology, Suzhou Affiliated Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Nanjing, China
| | - Bing Wang
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Histology and Embryology, Suzhou Affiliated Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Nanjing, China
| | - Anlan He
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Histology and Embryology, Suzhou Affiliated Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Nanjing, China
| | | | - Xuejiang Guo
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Histology and Embryology, Suzhou Affiliated Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Nanjing, China
| | - Wenjie Shu
- Bioinformatics Center of AMMS, Beijing, China.
| | - Ran Huo
- State Key Laboratory of Reproductive Medicine and Offspring Health, Department of Histology and Embryology, Suzhou Affiliated Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Gusu School, Nanjing Medical University, Nanjing, China; Innovation Center of Suzhou Nanjing Medical University, Suzhou, China.
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Gui LK, Liu HJ, Jin LJ, Peng XC. Krüpple-like factors in cardiomyopathy: emerging player and therapeutic opportunities. Front Cardiovasc Med 2024; 11:1342173. [PMID: 38516000 PMCID: PMC10955087 DOI: 10.3389/fcvm.2024.1342173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 02/23/2024] [Indexed: 03/23/2024] Open
Abstract
Cardiomyopathy, a heterogeneous pathological condition characterized by changes in cardiac structure or function, represents a significant risk factor for the prevalence and mortality of cardiovascular disease (CVD). Research conducted over the years has led to the modification of definition and classification of cardiomyopathy. Herein, we reviewed seven of the most common types of cardiomyopathies, including Arrhythmogenic Right Ventricular Cardiomyopathy (ARVC), diabetic cardiomyopathy, Dilated Cardiomyopathy (DCM), desmin-associated cardiomyopathy, Hypertrophic Cardiomyopathy (HCM), Ischemic Cardiomyopathy (ICM), and obesity cardiomyopathy, focusing on their definitions, epidemiology, and influencing factors. Cardiomyopathies manifest in various ways ranging from microscopic alterations in cardiomyocytes, to tissue hypoperfusion, cardiac failure, and arrhythmias caused by electrical conduction abnormalities. As pleiotropic Transcription Factors (TFs), the Krüppel-Like Factors (KLFs), a family of zinc finger proteins, are involved in regulating the setting and development of cardiomyopathies, and play critical roles in associated biological processes, including Oxidative Stress (OS), inflammatory reactions, myocardial hypertrophy and fibrosis, and cellular autophagy and apoptosis, particularly in diabetic cardiomyopathy. However, research into KLFs in cardiomyopathy is still in its early stages, and the pathophysiologic mechanisms of some KLF members in various types of cardiomyopathies remain unclear. This article reviews the roles and recent research advances in KLFs, specifically those targeting and regulating several cardiomyopathy-associated processes.
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Affiliation(s)
- Le-Kun Gui
- Department of Cardiology, The First Affiliated Hospital of Yangtze University, Jingzhou, Hubei, China
- School of Medicine, Yangtze University, Jingzhou, Hubei, China
| | - Huang-Jun Liu
- Department of Cardiology, The First Affiliated Hospital of Yangtze University, Jingzhou, Hubei, China
| | - Li-Jun Jin
- Department of Cardiology, The First Affiliated Hospital of Yangtze University, Jingzhou, Hubei, China
| | - Xiao-Chun Peng
- Department of Pathophysiology, School of Basic Medicine, Health Science Center, Yangtze University, Jingzhou, Hubei, China
- Laboratory of Oncology, School of Basic Medicine, Center for Molecular Medicine, Health Science Center, Yangtze University, Jingzhou, Hubei, China
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Cai H, Liang J, Jiang Y, Wang Z, Li H, Wang W, Wang C, Hou J. KLF7 regulates super-enhancer-driven IGF2BP2 overexpression to promote the progression of head and neck squamous cell carcinoma. J Exp Clin Cancer Res 2024; 43:69. [PMID: 38443991 PMCID: PMC10913600 DOI: 10.1186/s13046-024-02996-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 02/27/2024] [Indexed: 03/07/2024] Open
Abstract
BACKGROUND Head and neck squamous carcinoma (HNSCC) is known for its high aggressiveness and susceptibility to cervical lymph node metastasis, which greatly contributes to its poor prognosis. During tumorigenesis, many types of cancer cells acquire oncogenic super-enhancers (SEs) that drive the overexpression of oncogenes, thereby maintaining malignant progression. This study aimed to identify and validate the role of oncogenic SE-associated genes in the malignant progression of HNSCC. METHODS We identified HNSCC cell-specific SE-associated genes through H3K27Ac ChIP-seq and overlapped them with HNSCC-associated genes obtained from The Cancer Genome Atlas (TCGA) dataset and Gene Expression Omnibus (GEO) datasets using weighted gene coexpression network analysis (WGCNA) to identify hub genes. The expression of IGF2BP2 and KLF7 in HNSCC was detected using clinical samples. To determine the biological role of IGF2BP2, we performed CCK-8, colony formation assay, Transwell migration assay, invasion assay, and orthotopic xenograft model experiments. Furthermore, we utilized a CRISPR/Cas9 gene-editing system, small-molecule inhibitors, ChIP-qPCR, and dual-luciferase reporter assays to investigate the molecular mechanisms of IGF2BP2 and its upstream transcription factors. RESULTS Our study identified IGF2BP2 as a hub SE-associated gene that exhibited aberrant expression in HNSCC tissues. Increased expression of IGF2BP2 was observed to be linked with malignant progression and unfavorable prognosis in HNSCC patients. Both in vitro and in vivo experiments confirmed that IGF2BP2 promotes the tumorigenicity and metastasis of HNSCC by promoting cell proliferation, migration, and invasion. Mechanistically, the IGF2BP2-SE region displayed enrichment for H3K27Ac, BRD4, and MED1, which led to the inhibition of IGF2BP2 transcription and expression through deactivation of the SE-associated transcriptional program. Additionally, KLF7 was found to induce the transcription of IGF2BP2 and directly bind to its promoter and SE regions. Moreover, the abundance of KLF7 exhibited a positive correlation with the abundance of IGF2BP2 in HNSCC. Patients with high expression of both KLF7 and IGF2BP2 showed poorer prognosis. Lastly, we demonstrated that the small molecule inhibitor JQ1, targeting BRD4, attenuated the proliferation and metastatic abilities of HNSCC cells. CONCLUSIONS Our study reveals the critical role of IGF2BP2 overexpression mediated by SE and KLF7 in promoting HNSCC progression. Targeting SE-associated transcriptional programs may represent a potential therapeutic strategy in managing HNSCC.
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Affiliation(s)
- Hongshi Cai
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guanghua School of Stomatology,, Sun Yat-Sen University, Guangzhou, 51055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, 510080, China
| | - Jianfeng Liang
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guanghua School of Stomatology,, Sun Yat-Sen University, Guangzhou, 51055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, 510080, China
| | - Yaoqi Jiang
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guanghua School of Stomatology,, Sun Yat-Sen University, Guangzhou, 51055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, 510080, China
| | - Ziyi Wang
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guanghua School of Stomatology,, Sun Yat-Sen University, Guangzhou, 51055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, 510080, China
| | - Hongyu Li
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guanghua School of Stomatology,, Sun Yat-Sen University, Guangzhou, 51055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, 510080, China
| | - Wenjin Wang
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guanghua School of Stomatology,, Sun Yat-Sen University, Guangzhou, 51055, China
- Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, 510080, China
| | - Cheng Wang
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guanghua School of Stomatology,, Sun Yat-Sen University, Guangzhou, 51055, China.
- Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, 510080, China.
| | - Jinsong Hou
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Guanghua School of Stomatology,, Sun Yat-Sen University, Guangzhou, 51055, China.
- Guangdong Provincial Key Laboratory of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, 510080, China.
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25
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Katsuumi R, Negishi T, Imai K, Mihara N. Suppression of KLF5 basal expression in oral carcinoma-derived cells through three intact CREB1-binding sites in the silencer region. J Oral Biosci 2024; 66:217-224. [PMID: 38147910 DOI: 10.1016/j.job.2023.12.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 12/28/2023]
Abstract
OBJECTIVES Krüppel-like factor (KLF)5, which is overexpressed in carcinomas such as oral cancer, inhibits epidermal differentiation. KLF5 induces dedifferentiation of carcinoma cells, which effectuates carcinoma progression; nevertheless, the regulatory mechanism affecting the transcription of the KLF5 gene remains ambiguous. METHODS Transcriptional activity of the KLF5 silencer, specifically the 425-bp region (425-region), was examined using reporter assays. An additional analysis was conducted to assess the impact of the minimal essential region (MER) of KLF5 on its basal expression. The affinity of cAMP responsive element binding protein 1 (CREB1) for three potential CREB1-binding sites in the 425-region was analyzed using DNA pull-down and quantitative chromatin immunoprecipitation assays. Reporter assays employing a human oral squamous carcinoma cell line, HSC2, transfected with small interfering RNA or complementary DNA for CREB1, were performed to investigate the effect of CREB1 binding sites on MER activity. RESULTS The 425-region exhibited no transcriptional activity and suppressed MER transcriptional activity. This region encodes three putative CREB1-binding sites, and CREB1 demonstrated equal binding affinity for all three sites. The deletion of each of these binding sites reduced CREB1 precipitation and enhanced MER activity. Endogenous CREB1 knockdown and overexpression elevated and reduced MER activity, respectively, at the intact sites. Conversely, site deletion hampered and improved MER activity upon CREB1 knockdown and overexpression, respectively. CONCLUSIONS Suppression of KLF5 basal expression via CREB1 binding to the 425-region requires all three CREB1-binding sites to remain intact in oral carcinoma cells. Consequently, deletion of the CREB1-binding site relieves suppression of KLF5 basal expression.
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Affiliation(s)
- Reiichi Katsuumi
- Department of Biochemistry, The Nippon Dental University School of Life Dentistry at Tokyo, Japan
| | - Tsubasa Negishi
- Department of Biochemistry, The Nippon Dental University School of Life Dentistry at Tokyo, Japan
| | - Kazushi Imai
- Department of Biochemistry, The Nippon Dental University School of Life Dentistry at Tokyo, Japan
| | - Nozomi Mihara
- Department of Biochemistry, The Nippon Dental University School of Life Dentistry at Tokyo, Japan.
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Jha K, Kumar A, Bhatnagar K, Patra A, Bhavesh NS, Singh B, Chaudhary S. Modulation of Krüppel-like factors (KLFs) interaction with their binding partners in cancers through acetylation and phosphorylation. BIOCHIMICA ET BIOPHYSICA ACTA. GENE REGULATORY MECHANISMS 2024; 1867:195003. [PMID: 37992989 DOI: 10.1016/j.bbagrm.2023.195003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 09/05/2023] [Accepted: 11/16/2023] [Indexed: 11/24/2023]
Abstract
Post-translational modifications (PTMs) of transcription factors regulate transcriptional activity and play a key role in essentially all biological processes and generate indispensable insight towards biological function including activity state, subcellular localization, protein solubility, protein folding, substrate trafficking, and protein-protein interactions. Amino acids modified chemically via PTMs, function as molecular switches and affect the protein function and characterization and increase the proteome complexity. Krüppel-like transcription factors (KLFs) control essential cellular processes including proliferation, differentiation, migration, programmed cell death and various cancer-relevant processes. We investigated the interactions of KLF group-2 members with their binding partners to assess the role of acetylation and phosphorylation in KLFs on their binding affinity. It was observed that acetylation and phosphorylation at different positions in KLFs have a variable effect on binding with specific partners. KLF2-EP300, KLF4-SP1, KLF6-ATF3, KLF6-JUN, and KLF7-JUN show stabilization upon acetylation or phosphorylation at variable positions. On the other hand, KLF4-CBP, KLF4-EP300, KLF5-CBP, KLF5-WWP1, KLF6-SP1, and KLF7-ATF3 show stabilization or destabilization due to acetylation or phosphorylation at variable positions in KLFs. This provides a molecular explanation of the experimentally observed dual role of KLF group-2 members as a suppressor or activator of cancers in a PTM-dependent manner.
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Affiliation(s)
- Kanupriya Jha
- Department of Biotechnology, School of Engineering and Applied Sciences, Bennett University, Plot Nos. 8-11, Tech Zone 2, Greater Noida, Uttar Pradesh 201310, India.
| | - Amit Kumar
- Department of Biotechnology, School of Engineering and Applied Sciences, Bennett University, Plot Nos. 8-11, Tech Zone 2, Greater Noida, Uttar Pradesh 201310, India.
| | - Kartik Bhatnagar
- Department of Biotechnology, School of Engineering and Applied Sciences, Bennett University, Plot Nos. 8-11, Tech Zone 2, Greater Noida, Uttar Pradesh 201310, India.
| | - Anupam Patra
- Transcription Regulation Group, International Centre for Genetic Engineering and Biotechnology (ICGEB), New Delhi 110067, India.
| | - Neel Sarovar Bhavesh
- Transcription Regulation Group, International Centre for Genetic Engineering and Biotechnology (ICGEB), New Delhi 110067, India.
| | - Bipin Singh
- Department of Biotechnology, School of Engineering and Applied Sciences, Bennett University, Plot Nos. 8-11, Tech Zone 2, Greater Noida, Uttar Pradesh 201310, India; Centre for Life Sciences, Mahindra University, Bahadurpally, Jeedimetla, Hyderabad, Telangana 500043, India.
| | - Sarika Chaudhary
- Department of Biotechnology, School of Engineering and Applied Sciences, Bennett University, Plot Nos. 8-11, Tech Zone 2, Greater Noida, Uttar Pradesh 201310, India.
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Xu J, Wen Y, Li X, Peng W, Zhang Z, Liu X, Yang P, Chen N, Lei C, Zhang J, Wang E, Chen H, Huang Y. Bovine enhancer-regulated circSGCB acts as a ceRNA to regulate skeletal muscle development via enhancing KLF3 expression. Int J Biol Macromol 2024; 261:129779. [PMID: 38290628 DOI: 10.1016/j.ijbiomac.2024.129779] [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: 11/16/2023] [Revised: 01/07/2024] [Accepted: 01/24/2024] [Indexed: 02/01/2024]
Abstract
Skeletal muscle growth and development in livestock and poultry play a pivotal role in determining the quality and yield of meat production. However, the mechanisms of myogenesis are remained unclear due to it finely regulated by a complex network of biological macromolecules. In this study, leveraging previous sequencing data, we investigated a differentially expressed circular RNA (circSGCB) present in fetal and adult muscle tissues among various ruminant species, including cattle, goat, and sheep. Our analysis revealed that circSGCB is a single exon circRNA, potentially regulated by an adjacent bovine enhancer. Functional analysis through loss-of-function tests demonstrated that circSGCB exerts inhibitory effects on bovine myoblast proliferation while promoting myocytes generation. Furthermore, we discovered that circSGCB primarily localizes to the cytoplasm, where it functions as a molecular sponge by binding to bta-miR-27a-3p. This interaction releases the mRNAs of KLF3 gene and further activates downstream functional pathways. In vivo, studies provided evidence that up-regulation of KLF3 contributes to muscle regeneration. These findings collectively suggest that circSGCB operates via a competing endogenous RNA (ceRNA) mechanism to regulate KLF3, thereby influencing myogenesis in ruminants and highlights it may as potential molecular targets for enhancing meat production in livestock and poultry industries.
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Affiliation(s)
- Jiawei Xu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yifan Wen
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xinmiao Li
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Wei Peng
- Qinghai Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining 810016, China
| | - Zijing Zhang
- Institute of Animal Husbandry and Veterinary Science, Henan Academy of Agricultural Sciences, Zhengzhou, Henan 450002, China
| | - Xian Liu
- Henan Provincial Animal Husbandry General Station, Zhengzhou, Henan 450008, China
| | - Peng Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Ningbo Chen
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Chuzhao Lei
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jun Zhang
- Qinghai Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining 810016, China
| | - Eryao Wang
- Institute of Animal Husbandry and Veterinary Science, Henan Academy of Agricultural Sciences, Zhengzhou, Henan 450002, China
| | - Hong Chen
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yongzhen Huang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China.
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Wang X, Sun K, Xu Z, Chen Z, Wu W. Roles of SP/KLF transcription factors in odontoblast differentiation: From development to diseases. Oral Dis 2024. [PMID: 38409677 DOI: 10.1111/odi.14904] [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: 11/27/2023] [Revised: 01/24/2024] [Accepted: 02/08/2024] [Indexed: 02/28/2024]
Abstract
OBJECTIVES A zinc-finger transcription factor family comprising specificity proteins (SPs) and Krüppel-like factor proteins (KLFs) plays an important role in dentin development and regeneration. However, a systematic regulatory network involving SPs/KLFs in odontoblast differentiation has not yet been described. This review examined the expression patterns of SP/KLF gene family members and their current known functions and mechanisms in odontoblast differentiation, and discussed prospective research directions for further exploration of mechanisms involving the SP/KLF gene family in dentin development. MATERIALS AND METHODS Relevant literature on SP/KLF gene family members and dentin development was acquired from PubMed and Web of Science. RESULTS We discuss the expression patterns, functions, and related mechanisms of eight members of the SP/KLF gene family in dentin development and genetic disorders with dental problems. We also summarize current knowledge about their complementary or synergistic actions. Finally, we propose future research directions for investigating the mechanisms of dentin development. CONCLUSIONS The SP/KLF gene family plays a vital role in tooth development. Studying the complex complementary or synergistic interactions between SPs/KLFs is helpful for understanding the process of odontoblast differentiation. Applications of single-cell and spatial multi-omics may provide a more complete investigation of the mechanism involved in dentin development.
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Affiliation(s)
- Xuefei Wang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China
| | - Kaida Sun
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China
| | - Zekai Xu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China
| | - Zhuo Chen
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China
| | - Wenzhi Wu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China
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29
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Barzegar S, Pirouzpanah S. Zinc finger proteins and ATP-binding cassette transporter-dependent multidrug resistance. Eur J Clin Invest 2024; 54:e14120. [PMID: 37930002 DOI: 10.1111/eci.14120] [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: 01/12/2023] [Revised: 07/12/2023] [Accepted: 10/02/2023] [Indexed: 11/07/2023]
Abstract
BACKGROUND Multidrug resistance (MDR) remains a significant challenge in cancer treatment, leading to poor clinical outcomes. Dysregulation of ATP-binding cassette (ABC) transporters has been identified as a key contributor to MDR. Zinc finger proteins (ZNPs) are key regulators of transcription and have emerged as potential contributors to cancer drug resistance. Bridging the knowledge gap between ZNPs and MDR is essential to understand a source of heterogeneity in cancer treatment. This review sought to elucidate how different ZNPs modulate the transcriptional regulation of ABC genes, contributing to resistance to cancer therapies. METHODS The search was conducted using PubMed, Google Scholar, EMBASE and Web of Science. RESULTS In addition to ABC-blockers, the transcriptional features regulated by ZNP are expected to play a role in reversing ABC-mediated MDR and predicting the efficacy of anticancer treatments. Among the ZNP-induced epithelial to mesenchymal transition, SNAIL, SLUG and Zebs have been identified as important factors in promoting MDR through activation of ATM, NFκB and PI3K/Akt pathways, exposing the metabolism to potential ZNP-MDR interactions. Additionally, nuclear receptors, such as VDR, ER and PXR have been found to modulate certain ABC regulations. Other C2H2-type zinc fingers, including Kruppel-like factors, Gli and Sp also have the potential to contribute to MDR. CONCLUSION Besides reviewing evidence on the effects of ZNP dysregulation on ABC-related chemoresistance in malignancies, significant markers of ZNP functions are discussed to highlight the clinical implications of gene-to-gene and microenvironment-to-gene interactions on MDR prospects. Future research on ZNP-derived biomarkers is crucial for addressing heterogeneity in cancer therapy.
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Affiliation(s)
- Sanaz Barzegar
- Shahid Madani Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Saeed Pirouzpanah
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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30
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Huang J, Chen J, Wang C, Lai L, Mi H, Chen S. Deciphering the molecular classification of pediatric sepsis: integrating WGCNA and machine learning-based classification with immune signatures for the development of an advanced diagnostic model. Front Genet 2024; 15:1294381. [PMID: 38348451 PMCID: PMC10859440 DOI: 10.3389/fgene.2024.1294381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 01/16/2024] [Indexed: 02/15/2024] Open
Abstract
Introduction: Pediatric sepsis (PS) is a life-threatening infection associated with high mortality rates, necessitating a deeper understanding of its underlying pathological mechanisms. Recently discovered programmed cell death induced by copper has been implicated in various medical conditions, but its potential involvement in PS remains largely unexplored. Methods: We first analyzed the expression patterns of cuproptosis-related genes (CRGs) and assessed the immune landscape of PS using the GSE66099 dataset. Subsequently, PS samples were isolated from the same dataset, and consensus clustering was performed based on differentially expressed CRGs. We applied weighted gene co-expression network analysis to identify hub genes associated with PS and cuproptosis. Results: We observed aberrant expression of 27 CRGs and a specific immune landscape in PS samples. Our findings revealed that patients in the GSE66099 dataset could be categorized into two cuproptosis clusters, each characterized by unique immune landscapes and varying functional classifications or enriched pathways. Among the machine learning approaches, Extreme Gradient Boosting demonstrated optimal performance as a diagnostic model for PS. Discussion: Our study provides valuable insights into the molecular mechanisms underlying PS, highlighting the involvement of cuproptosis-related genes and immune cell infiltration.
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Affiliation(s)
- Junming Huang
- Department of Urology, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, China
- Department of Urology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Jinji Chen
- Department of Urology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Chengbang Wang
- Department of Urology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Lichuan Lai
- Department of Laboratory, The People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi, China
| | - Hua Mi
- Department of Urology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Shaohua Chen
- Department of Urology, Guangxi Medical University Cancer Hospital, Nanning, Guangxi, China
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Cao Y, Li J, Zhang G, Fang H, Du Y, Liang Y. KLF15 transcriptionally activates LINC00689 to inhibit colorectal cancer development. Commun Biol 2024; 7:130. [PMID: 38273088 PMCID: PMC10810960 DOI: 10.1038/s42003-023-05757-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 12/29/2023] [Indexed: 01/27/2024] Open
Abstract
Colorectal cancer is a grievous health concern, we have proved long non-coding RNA LINC00689 is considered as a potential diagnosis biomarker for colorectal cancer, and it is necessary to further investigate its upstream and downstream mechanisms. Here, we show that KLF15, a transcription factor, exhibits the reduced expression in colorectal cancer. KLF15 suppresses the proliferative and metastatic capacities of colorectal cancer cells both in vitro and in vivo by transcriptionally activating LINC00689. Subsequently, LINC00689 recruits PTBP1 protein to enhance the stability of LATS2 mRNA in the cytoplasm. This stabilization causes the suppression of the YAP1/β-catenin pathway and its target downstream genes. Our findings highlight a regulatory network involving KLF15, LINC00689, PTBP1, LATS2, and the YAP1/β-catenin pathway in colorectal cancer, shedding light on potential therapeutic targets for colorectal cancer therapy.
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Affiliation(s)
- Yan Cao
- Department of Nuclear Medicine, Xiangya Third Hospital, Central South University, Changsha, 410013, Hunan Province, PR China
| | - Jian Li
- Department of Nuclear Medicine, Xiangya Third Hospital, Central South University, Changsha, 410013, Hunan Province, PR China
| | - Gang Zhang
- Department 2 of Gastrointestinal Surgery, Haikou Hospital Affiliated to Xiangya Medical College of Central South University, Haikou People's Hospital, Haikou, 570208, Hainan Province, PR China
| | - Hao Fang
- Department of Nuclear Medicine, Xiangya Third Hospital, Central South University, Changsha, 410013, Hunan Province, PR China
| | - Yongliang Du
- Department of Nuclear Medicine, Xiangya Third Hospital, Central South University, Changsha, 410013, Hunan Province, PR China
| | - Yan Liang
- Department of Nuclear Medicine, Xiangya Third Hospital, Central South University, Changsha, 410013, Hunan Province, PR China.
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Wang J, Liu J, Yuan C, Yang B, Pang H, Chen K, Feng J, Deng Y, Zhang X, Li W, Wang C, Xie J, Zhang J. Palmitic acid-activated GPRs/KLF7/CCL2 pathway is involved in the crosstalk between bone marrow adipocytes and prostate cancer. BMC Cancer 2024; 24:75. [PMID: 38221626 PMCID: PMC10789002 DOI: 10.1186/s12885-024-11826-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 01/03/2024] [Indexed: 01/16/2024] Open
Abstract
BACKGROUND Obesity-induced abnormal bone marrow microenvironment is one of the important risk element for bone metastasis in prostate cancer (PCa). The present study aimed to determine whether obesity-induced elevation in palmitic acid (PA), which is the most abundant of the free fatty acids (FFAs), increased CCL2 via the GPRs/KLF7 pathway in bone marrow adipocytes (BMA) to facilitate PCa growth and metastasis. METHODS We constructed a bone-tumor bearing mouse model with obesity through high-fat diet, and observed the tumor formation ability of PCa cells. In vitro, observe the effect of PA on the expression level of CCL2 in BMA through GPRs/KLF7 signaling pathway. After co-culture of BMA and PCa cells, CCK8 assay and transwell experiment were used to detect the changes in biological behavior of PCa cells stimulated by BMA. RESULTS The BMA distribution in the bone marrow cavity of BALB/c nude mice fed with the high-fat diet (HFD) was evidently higher than that in the mice fed with the normal diet (ND). Moreover, HFD-induced obesity promoted KLF7/CCL2 expression in BMA and PCa cell growth in the bone marrow cavity of the mice. In the vitro experiment, a conditioned medium with increased CCL2 obtained from the BMA cultured with PA (CM-BMA-PA) was used for culturing the PCa cell lines, which evidently enhanced the proliferation, invasion, and migration ability. KLF7 significantly increased the CCL2 expression and secretion levels in BMA by targeting the promoter region of the CCL2 gene. In addition, GPR40/120 engaged in the PA-induced high KLF7/CCL2 levels in BMA to facilitate the malignant progression of PC-3 cells. CONCLUSIONS PA-activated GPRs/KLF7/CCL2 pathway in BMA facilitates prostate cancer growth and metastasis.
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Affiliation(s)
- Jingzhou Wang
- Shihezi University School of Medicine, Bei-Er-Lu, Shihezi, 832000, Xinjiang, China
- Laboratory of Xinjiang Endemic and Ethic Diseases, Shihezi University, Shihezi, 832000, Xinjiang, China
| | - Jie Liu
- Shihezi University School of Medicine, Bei-Er-Lu, Shihezi, 832000, Xinjiang, China
- Laboratory of Xinjiang Endemic and Ethic Diseases, Shihezi University, Shihezi, 832000, Xinjiang, China
| | - Chenggang Yuan
- Shihezi University School of Medicine, Bei-Er-Lu, Shihezi, 832000, Xinjiang, China
| | - Bingqi Yang
- Shihezi University School of Medicine, Bei-Er-Lu, Shihezi, 832000, Xinjiang, China
| | - Huai Pang
- Shihezi University School of Medicine, Bei-Er-Lu, Shihezi, 832000, Xinjiang, China
| | - Keru Chen
- Shihezi University School of Medicine, Bei-Er-Lu, Shihezi, 832000, Xinjiang, China
| | - Jiale Feng
- Shihezi University School of Medicine, Bei-Er-Lu, Shihezi, 832000, Xinjiang, China
| | - Yuchun Deng
- Shihezi University School of Medicine, Bei-Er-Lu, Shihezi, 832000, Xinjiang, China
| | - Xueting Zhang
- Shihezi University School of Medicine, Bei-Er-Lu, Shihezi, 832000, Xinjiang, China
| | - Wei Li
- Shihezi University School of Medicine, Bei-Er-Lu, Shihezi, 832000, Xinjiang, China
| | - Cuizhe Wang
- Shihezi University School of Medicine, Bei-Er-Lu, Shihezi, 832000, Xinjiang, China.
- Laboratory of Xinjiang Endemic and Ethic Diseases, Shihezi University, Shihezi, 832000, Xinjiang, China.
| | - Jianxin Xie
- Shihezi University School of Medicine, Bei-Er-Lu, Shihezi, 832000, Xinjiang, China.
- Laboratory of Xinjiang Endemic and Ethic Diseases, Shihezi University, Shihezi, 832000, Xinjiang, China.
| | - Jun Zhang
- Shihezi University School of Medicine, Bei-Er-Lu, Shihezi, 832000, Xinjiang, China.
- Laboratory of Xinjiang Endemic and Ethic Diseases, Shihezi University, Shihezi, 832000, Xinjiang, China.
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Song Y, Zhang N, Zhang Y, Wang J, Lv Q, Zhang J. Single-Cell Transcriptome Analysis Reveals Development-Specific Networks at Distinct Synchronized Antral Follicle Sizes in Sheep Oocytes. Int J Mol Sci 2024; 25:910. [PMID: 38255985 PMCID: PMC10815039 DOI: 10.3390/ijms25020910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 01/08/2024] [Accepted: 01/09/2024] [Indexed: 01/24/2024] Open
Abstract
The development of the ovarian antral follicle is a complex, highly regulated process. Oocytes orchestrate and coordinate the development of mammalian ovarian follicles, and the rate of follicular development is governed by a developmental program intrinsic to the oocyte. Characterizing oocyte signatures during this dynamic process is critical for understanding oocyte maturation and follicular development. Although the transcriptional signature of sheep oocytes matured in vitro and preovulatory oocytes have been previously described, the transcriptional changes of oocytes in antral follicles have not. Here, we used single-cell transcriptomics (SmartSeq2) to characterize sheep oocytes from small, medium, and large antral follicles. We characterized the transcriptomic landscape of sheep oocytes during antral follicle development, identifying unique features in the transcriptional atlas, stage-specific molecular signatures, oocyte-secreted factors, and transcription factor networks. Notably, we identified the specific expression of 222 genes in the LO, 8 and 6 genes that were stage-specific in the MO and SO, respectively. We also elucidated signaling pathways in each antral follicle size that may reflect oocyte quality and in vitro maturation competency. Additionally, we discovered key biological processes that drive the transition from small to large antral follicles, revealing hub genes involved in follicle recruitment and selection. Thus, our work provides a comprehensive characterization of the single-oocyte transcriptome, filling a gap in the mapping of the molecular landscape of sheep oogenesis. We also provide key insights into the transcriptional regulation of the critical sizes of antral follicular development, which is essential for understanding how the oocyte orchestrates follicular development.
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Affiliation(s)
| | | | | | | | | | - Jiaxin Zhang
- Inner Mongolia Key Laboratory of Sheep & Goat Genetics Breeding and Reproduction, College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China; (Y.S.)
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Peng X, Du J, Wang Y. Metabolic signatures in post-myocardial infarction heart failure, including insights into prediction, intervention, and prognosis. Biomed Pharmacother 2024; 170:116079. [PMID: 38150879 DOI: 10.1016/j.biopha.2023.116079] [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: 09/19/2023] [Revised: 12/09/2023] [Accepted: 12/21/2023] [Indexed: 12/29/2023] Open
Abstract
Heart failure (HF) is a prevalent long-term complication of myocardial infarction (MI). The incidence of post-MI HF is high, and patients with the condition have a poor prognosis. Accurate identification of individuals at high risk for post-MI HF is crucial for implementation of a protective and ideally personalized strategy to prevent fatal events. Post-MI HF is characterized by adverse cardiac remodeling, which results from metabolic changes in response to long-term ischemia. Moreover, various risk factors, including genetics, diet, and obesity, can influence metabolic pathways in patients. This review focuses on the metabolic signatures of post-MI HF that could serve as non-invasive biomarkers for early identification in high-risk populations. We also explore how metabolism participates in the pathophysiology of post-MI HF. Furthermore, we discuss the potential of metabolites as novel targets for treatment of post-MI HF and as biomarkers for prognostic evaluation. It is expected to provide valuable suggestions for the clinical prevention and treatment of post-MI HF from a metabolic perspective.
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Affiliation(s)
- Xueyan Peng
- Beijing Collaborative Innovation Centre for Cardiovascular Disorders, No. 2 Anzhen Road, Chaoyang District, Beijing 100029, China; Key Laboratory of Remodeling-related Cardiovascular Diseases, Ministry of Education, Beijing 100029, China; Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China; Beijing Institute of Heart, Lung and Blood Vessel Disease, No. 2 Anzhen Road, Chaoyang District, Beijing 100029, China
| | - Jie Du
- Beijing Collaborative Innovation Centre for Cardiovascular Disorders, No. 2 Anzhen Road, Chaoyang District, Beijing 100029, China; Key Laboratory of Remodeling-related Cardiovascular Diseases, Ministry of Education, Beijing 100029, China; Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China; Beijing Institute of Heart, Lung and Blood Vessel Disease, No. 2 Anzhen Road, Chaoyang District, Beijing 100029, China.
| | - Yuan Wang
- Beijing Collaborative Innovation Centre for Cardiovascular Disorders, No. 2 Anzhen Road, Chaoyang District, Beijing 100029, China; Key Laboratory of Remodeling-related Cardiovascular Diseases, Ministry of Education, Beijing 100029, China; Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, China; Beijing Institute of Heart, Lung and Blood Vessel Disease, No. 2 Anzhen Road, Chaoyang District, Beijing 100029, China.
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Zhang Z, Jiang X, Li K, Qiao S, Li M, Mei Y, Ding L, Lv Q, Ding Y, Zhao Y, Lv G, Tan G, Yang H, Li G, Gao X, Liu M. KLF7 promotes colon adenocarcinoma progression through the PDGFB signaling pathway. Int J Biol Sci 2024; 20:387-402. [PMID: 38164176 PMCID: PMC10750276 DOI: 10.7150/ijbs.86385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Accepted: 11/06/2023] [Indexed: 01/03/2024] Open
Abstract
Colon adenocarcinoma (COAD) is the most common malignancy of the digestive tract, which is characterized by a dismal prognosis. No effective treatment has been established presently, thus there is an urgent need to understand the mechanisms driving COAD progression in order to develop effective therapeutic approaches and enhance clinical outcomes. In this study, we found that KLF7 is overexpressed in COAD tissues and correlated with clinicopathological features of COAD. Both gain-of-function and loss-of-function experiments have unequivocally demonstrated that overexpression of KLF7 promotes the growth and metastasis of COAD in vitro and in vivo, while KLF7 knockdown attenuated these effects. Mechanistically, our findings reveal that KLF7 can specifically bind to the promoter region of PDGFB (TGGGTGGAG), thus promoting the transcription of PDGFB and increasing its secretion. Subsequently, secreted PDGFB facilitates the progression of COAD by activating MAPK/ERK, PI3K/AKT, and JAK/STAT3 signaling pathways through PDGFRβ. Additionally, we found that sunitinib can block PDGFB signaling and inhibit COAD progression, offering a promising therapeutic strategy for COAD treatment.
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Affiliation(s)
- Zhicheng Zhang
- Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin,150001, China
- Bio-Bank of Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Xiaochen Jiang
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, 150001, China
- Editorial Board of Harbin Medical University, Harbin Medical University, Harbin 150001, China
| | - Kai Li
- School of Medicine and Health, Harbin Institute of Technology, Harbin, 150001, China
| | - Shupei Qiao
- Heilongjiang Key Laboratory of Children Development and Genetic Research, Harbin Medical University, Harbin,150001, China
| | - Mengmeng Li
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, 150001, China
| | - Yu Mei
- Drug Engineering and Technology Research Center, Harbin University of Commerce, Harbin, 150001, China
| | - Lixian Ding
- Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin,150001, China
- Bio-Bank of Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Qiang Lv
- Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin,150001, China
- Bio-Bank of Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Yike Ding
- St John's College William Nicholls Drive, Old St Mellons, Cardiff, CF35YX, United Kingdom
| | - Yunhan Zhao
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, 150001, China
| | - Guixiang Lv
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, 150001, China
| | - Gang Tan
- Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin,150001, China
- Bio-Bank of Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Huanjie Yang
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, 150001, China
| | - Guodong Li
- Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin,150001, China
- Bio-Bank of Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Xu Gao
- Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, 150001, China
| | - Ming Liu
- Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin,150001, China
- Bio-Bank of Department of General Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
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Qu X, Xu C, Yang W, Li Q, Tu S, Gao C. KLF5 inhibits the migration and invasion in cervical cancer cell lines by regulating SNAI1. Cancer Biomark 2024; 39:231-243. [PMID: 38217587 PMCID: PMC11191462 DOI: 10.3233/cbm-230175] [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: 05/19/2023] [Accepted: 11/21/2023] [Indexed: 01/15/2024]
Abstract
BACKGROUND Epithelial-mesenchymal transition (EMT) is an important biological process by which malignant tumor cells to acquire migration and invasion abilities. This study explored the role of KLF5 in the EMT process of in cervical cancer cell lines. OBJECTIVE Krüpple-like factor 5 (KLF5) is a basic transcriptional factor that plays a key role in cell-cycle arrest and inhibition of apoptosis. However, the molecular mechanism by which KLF5 mediates the biological functions of cervical cancer cell lines has not been elucidated. Here, we focus on the potential function of ELF5 in regulating the EMT process in in vitro model of cervical cancer cell lines. METHOD Western-blot and real-time quantitative PCR were used to detect the expression of EMT-related genes in HeLa cells. MTT assays, cell scratch and Transwell assays were used to assess HeLa cells proliferation and invasion capability. Using the bioinformatics tool JASPAR, we identified a high-scoring KLF5-like binding sequence in the SNAI1 gene promoter. Luciferase reporter assays was used to detect transcriptional activity for different SNAI1 promoter truncates. RESULT After overexpressing the KLF5 gene in HeLa cells, KLF5 not only significantly inhibited the invasion and migration of HeLa cells, but also increased the expression of E-cadherin and decreased the expression of N-cadherin and MMP9. In addition, the mRNA expression of upstream regulators of E-cadherin, such as SNAI1, SLUG, ZEB1/2 and TWIST1 was also decreased. Furthermore, KLF5 inhibiting the expression of the SNAI1 gene via binding its promoter region, and the EMT of Hela cells was promoted after overexpression of the SNAI1 gene. CONCLUSION These results indicate that KLF5 can downregulate the EMT process of HeLa cells by decreasing the expression of the SNAI1 gene, thereby inhibiting the migration and invasion of HeLa cervical cancer cells.
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Affiliation(s)
- Xinjian Qu
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, Guangxi, China
- Guangxi Key Laboratory of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, Guangxi, China
| | - Chang Xu
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, Guangxi, China
- Guangxi Key Laboratory of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, Guangxi, China
| | - Wenbo Yang
- School of Life and Pharmaceutical Sciences, Dalian University of Technology, Dalian, Liaoning, China
| | - Qianqian Li
- School of Life and Pharmaceutical Sciences, Dalian University of Technology, Dalian, Liaoning, China
| | - Simei Tu
- School of Life and Pharmaceutical Sciences, Dalian University of Technology, Dalian, Liaoning, China
| | - Chenghai Gao
- Institute of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, Guangxi, China
- Guangxi Key Laboratory of Marine Drugs, Guangxi University of Chinese Medicine, Nanning, Guangxi, China
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Changizi Z, Kajbaf F, Moslehi A. An Overview of the Role of Peroxisome Proliferator-activated Receptors in Liver Diseases. J Clin Transl Hepatol 2023; 11:1542-1552. [PMID: 38161499 PMCID: PMC10752810 DOI: 10.14218/jcth.2023.00334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 09/17/2023] [Accepted: 10/09/2023] [Indexed: 01/03/2024] Open
Abstract
Peroxisome proliferator-activated receptors (PPARs) are a superfamily of nuclear transcription receptors, consisting of PPARα, PPARγ, and PPARβ/δ, which are highly expressed in the liver. They control and modulate the expression of a large number of genes involved in metabolism and energy homeostasis, oxidative stress, inflammation, and even apoptosis in the liver. Therefore, they have critical roles in the pathophysiology of hepatic diseases. This review provides a general insight into the role of PPARs in liver diseases and some of their agonists in the clinic.
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Affiliation(s)
- Zahra Changizi
- Cellular and Molecular Research Center, Qom University of Medical Sciences, Qom, Iran
| | - Forough Kajbaf
- Veterinary Department, Faculty of Agriculture, Islamic Azad University, Shoushtar Branch, Shoushtar, Iran
| | - Azam Moslehi
- Cellular and Molecular Research Center, Qom University of Medical Sciences, Qom, Iran
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Li H, Zhou C, Zhang M, Yuan N, Huang X, Xiang J, Wang L, Shi L. Transcriptomics yields valuable information regarding the response mechanisms of Chinese Min pigs infected with PEDV. Front Vet Sci 2023; 10:1295723. [PMID: 38192721 PMCID: PMC10773921 DOI: 10.3389/fvets.2023.1295723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 11/15/2023] [Indexed: 01/10/2024] Open
Abstract
Porcine epidemic diarrhea virus (PEDV) causes porcine epidemic diarrhea (PED), a highly infectious disease, which has resulted in huge economic losses for the pig industry. To date, the pathogenic and immune response mechanism was not particularly clear. The purpose of this study was to investigate the pathogenic and immune responses of pigs infected with PEDV.In this study, 12 Min pigs were randomly selected without taking colostrum. At 3 days old, eight piglets were infected with 1 mL of PEDV solution (10 TCID50/ml), and the remaining four piglets were handled by 1 mL of 0.9% normal saline. Within the age of 7 days old, four piglets died and were considered as the death group. Correspondingly, four alive individuals were classified into the resistance group. Tissues of the duodenum, jejunum, ileum, colon, cecum, and rectum of piglets in the three groups were collected to measure the PEDV content. Additionally, the jejunum was used for the measurements and analyses of Hematoxylin-eosinstaining (HE), immunohistochemical sections, and transcriptomics. The phenotypes of Min piglets infected with PEDV showed that the viral copy numbers and jejunal damage had significant differences between the death and resistance groups. We also observed the transcriptome of the jejunum, and the differentially expressed (DE) analysis observed 6,585 DE protein-coding genes (PCGs), 3,188 DE long non-coding RNAs (lncRNAs), and 350 DE microRNAs (miRNAs), which were mainly involved in immune response and metabolic pathways. Furthermore, the specific expressed molecules for each group were identified, and 97 PCGs,108 lncRNAs, and 51 miRNAs were included in the ceRNA-regulated networks. By weighted gene co-expression network analysis (WGCNA) and transcription factor (TF) prediction, 27 significant modules and 32 significant motifs (E-value < 0.05) annotated with 519 TFs were detected. Of these TFs, 53 were DE PCGs. In summary, the promising key PCGs, lncRNAs, and miRNAs related to the pathogenic and immunological response of pigs infected with PEDV were detected and provided new insights into the pathogenesis of PEDV.
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Affiliation(s)
- Huihui Li
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Chunxiang Zhou
- Huanghe Science and Technology University, Zhengzhou, China
| | - Meimei Zhang
- Beijing Vica Biotechnology Co., LTD, Beijing, China
| | - Na Yuan
- Beijing Vica Biotechnology Co., LTD, Beijing, China
| | - Xiaoyu Huang
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jiaojiao Xiang
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Lixian Wang
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Lijun Shi
- Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
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Mao X, Li Y, Zhong Y, Chen R, Wang K, Huang D, Luo X. Kruppel-like factor 14 ameliorated obesity and related metabolic disorders by promoting adipose tissue browning. Am J Physiol Endocrinol Metab 2023; 325:E744-E754. [PMID: 37938176 DOI: 10.1152/ajpendo.00226.2023] [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: 07/24/2023] [Revised: 11/03/2023] [Accepted: 11/04/2023] [Indexed: 11/09/2023]
Abstract
Obesity has been identified as a serious and debilitating disease that threatens human health, but the current treatment strategies still have some shortcomings. Exercise and dieting are difficult for many people to adhere to, and a series of surgical risks and pain brought about by volume reduction have made it difficult for the current weight loss effect to meet human expectations. In this study, we first found that mice with overexpression of the transcription factor Kruppel-like factor 14 (KLF14) in subcutaneous adipose tissue gained weight more slowly while consuming a high-fat diet than did control mice, and these mice also showed reduced insulin resistance and liver lipid deposition abnormalities. Mechanistically, the browning of white adipose tissue was promoted in adipose tissue with KLF14 overexpression; therefore, we preliminarily concluded that KLF14 can improve obesity by promoting the browning of white adipose tissue and energy consumption, thus ameliorating obesity and related metabolic disturbances. In summary, our results revealed that KLF14 may promote white adipose tissue browning, thus ameliorating high-fat diet-induced obesity and hepatic steatosis, as well as serum lipid levels and insulin resistance, thereby achieving a positive effect on metabolism.NEW & NOTEWORTHY Our study first explored the role of KLF14 in the development and progression of HFD-induced obesity in male mice. Its beneficial effect on adipose browning and metabolic disorders suggests that KLF14 may provide us a new therapeutic strategy for obesity and related metabolic complications. This health problem is of global concern and needs to be addressed.
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Affiliation(s)
- Xiaoxiang Mao
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
- Clinic Center of Human Gene Research, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Yuanxiang Li
- Department of Oncology, Hubei Cancer Hospital, TongJi Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Yi Zhong
- Clinic Center of Human Gene Research, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Ru Chen
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
- Clinic Center of Human Gene Research, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Kun Wang
- Department of Geriatrics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Dandan Huang
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
- Clinic Center of Human Gene Research, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Xi Luo
- Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
- Clinic Center of Human Gene Research, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
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Li H, Li J, Ma Y, Wang Z, Peng Z, Xu H, Bi H, Althaf Hussain S, Li Z. The active phthalate metabolite, DHEP, induces proliferation and metastasis of prostate cancer cells via upregulation of β-catenin and downregulation of KLF7. Bioorg Chem 2023; 141:106864. [PMID: 37734194 DOI: 10.1016/j.bioorg.2023.106864] [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: 07/28/2023] [Revised: 09/11/2023] [Accepted: 09/13/2023] [Indexed: 09/23/2023]
Abstract
Phthalates such as DHEP are among the widely used compounds in industry. It has been shown that DHEP can convey various biological consequences in mammalian cells, among them, the carcinogenic effects of DHEP are emphasized. The present study aimed to assess the impact of DHEP exposure on the proliferation and invasiveness of DU145 prostate cancer cells through in vitro and in vivo models. The DU145 cells were treated with increasing concentrations of DHEP and the tumorigenic parameters were analyzed. KLF7 as a probable mediator of the effect of DHEP was either overexpressed or knocked down in DU145 to evaluate the probable impact of KLF7 on the biological effects of DHEP. The effect of DHEP was also studied in a DU145 xenograft tumor model. The moderate doses of DHEP increased the proliferation and migration of DU145 cells. In the case of gene expression patterns, DHEP reduced the levels of p53 and KLF7 while elevated the expression of β-catenin. The knock-down of KLF7 conveyed comparable effects to that of DHEP to some degree and increased the proliferation of DU145 cells, while the transduction of KLF7 increased the expressions of p53 and p21 along with controlling the tumor size. The present study demonstrated the potential of DHEP in increasing the tumorigenic properties of DU145 cells along with a focus on the underlying mechanisms. Sustained exposure to DHEP can cause a dysregulation in balance between oncogenes and tumor suppressor genes which is the hallmark of malignant transformation. Thus, special considerations seem necessary for the safe exploitation of phthalates.
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Affiliation(s)
- Hecheng Li
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Jianping Li
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Yubo Ma
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Ziming Wang
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Zihe Peng
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Hang Xu
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Hang Bi
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China
| | - Shaik Althaf Hussain
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Zhaolun Li
- Department of Urology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710004, China.
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Pan X, Zhang W, Wang L, Guo H, Zheng M, Wu H, Weng Q, He Q, Ding L, Yang B. KLF12 transcriptionally regulates PD-L1 expression in non-small cell lung cancer. Mol Oncol 2023; 17:2659-2674. [PMID: 37606530 DOI: 10.1002/1878-0261.13512] [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: 02/01/2023] [Revised: 06/30/2023] [Accepted: 08/17/2023] [Indexed: 08/23/2023] Open
Abstract
Recent studies have pointed to the role of Krüpple-like factor 12 (KLF12) in cancer-associated processes, including cancer proliferation, apoptosis, and metastasis. However, the role of KLF12 in tumor immunity remains obscure. Here, we found that KLF12 expression was significantly higher in non-small cell lung cancer (NSCLC) cells with higher programmed death-ligand 1 (PD-L1) expression. Additionally, a positive correlation between KLF12 and PD-L1 was observed in clinical patient tumor tissues. By chromatin immunoprecipitation (ChIP) analysis, KLF12 was identified to bind to the CACCC motif of the PD-L1 promoter. Overexpression of KLF12 promoted PD-L1 transcription, whereas silencing of KLF12 inhibited PD-L1 transcription. Furthermore, signal transducer and activator of transcription 1 (STAT1)- and STAT3-triggered PD-L1 transcription was abolished in the absence of KLF12, and KLF12 knockdown weakened the binding of STAT1 and STAT3 to the PD-L1 promoter. Mechanistically, KLF12 physically interacted with P300, a histone acetyltransferase. In addition, KLF12 silencing reduced P300 binding to the PD-L1 promoter, which subsequently caused decreased acetylation of histone H3. PD-L1 transcription driven by KLF12 overexpression was eliminated by EP300 silencing. In immunocompetent mice, KLF12 knockout inhibited tumor growth and promoted infiltration of CD8+ T cells. However, this phenomenon was not observed in immunodeficient mice. Overall, this study reveals KLF12-mediated transcriptional regulation of PD-L1 in NSCLC; targeting KLF12 may be a potential therapeutic strategy for NSCLC.
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Affiliation(s)
- Xiaohui Pan
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
- School of Pharmaceutical Science, Wenzhou Medical University, China
| | - Wenxin Zhang
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
- School of Pharmaceutical Science, Wenzhou Medical University, China
| | - Longsheng Wang
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Hongjie Guo
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Mingming Zheng
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Honghai Wu
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Qinjie Weng
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Qiaojun He
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
- The Innovation Institute for Artificial Intelligence in Medicine, Zhejiang University, Hangzhou, China
- Cancer Center of Zhejiang University, Hangzhou, China
| | - Ling Ding
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Bo Yang
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, Institute of Pharmacology and Toxicology, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
- The Innovation Institute for Artificial Intelligence in Medicine, Zhejiang University, Hangzhou, China
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Malin J, Martinez-Ruiz GU, Zhao Y, Shissler SC, Cowan JE, Ding Y, Morales-Sanchez A, Ishikawa M, Lavaert M, Das A, Butcher D, Warner AC, Kallarakal M, Chen J, Kedei N, Kelly M, Brinster LR, Allman D, Bhandoola A. Expression of the transcription factor Klf6 by thymic epithelial cells is required for thymus development. SCIENCE ADVANCES 2023; 9:eadg8126. [PMID: 37967174 PMCID: PMC10651122 DOI: 10.1126/sciadv.adg8126] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 10/16/2023] [Indexed: 11/17/2023]
Abstract
Thymic epithelial cells (TEC) control T cell development and play essential roles in establishing self-tolerance. By using Foxn1-Cre-driven ablation of Klf6 gene in TEC, we identified Klf6 as a critical factor in TEC development. Klf6 deficiency resulted in a hypoplastic thymus-evident from fetal stages into adulthood-in which a dramatic increase in the frequency of apoptotic TEC was observed. Among cortical TEC (cTEC), a previously unreported cTEC population expressing the transcription factor Sox10 was relatively expanded. Within medullary TEC (mTEC), mTEC I and Tuft-like mTEC IV were disproportionately decreased. Klf6 deficiency altered chromatin accessibility and affected TEC chromatin configuration. Consistent with these defects, naïve conventional T cells and invariant natural killer T cells were reduced in the spleen. Late stages of T cell receptor-dependent selection of thymocytes were affected, and mice exhibited autoimmunity. Thus, Klf6 has a prosurvival role and affects the development of specific TEC subsets contributing to thymic function.
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Affiliation(s)
- Justin Malin
- Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Gustavo Ulises Martinez-Ruiz
- Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
- Research Division, Faculty of Medicine, National Autonomous University of Mexico, Mexico City, Mexico
- Children’s Hospital Federico Gomez, Mexico City, Mexico
| | - Yongge Zhao
- Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Susannah C. Shissler
- Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Jennifer E. Cowan
- Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
- Institute of Immunity and Transplantation, University College London, London, UK
| | - Yi Ding
- Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Abigail Morales-Sanchez
- Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
- Children’s Hospital Federico Gomez, Mexico City, Mexico
| | - Masaki Ishikawa
- Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Marieke Lavaert
- Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Arundhoti Das
- Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Donna Butcher
- Molecular Histopathology Laboratory, Frederick National Laboratory for Cancer Research, Frederick, MD, USA
| | - Andrew C. Warner
- Molecular Histopathology Laboratory, Frederick National Laboratory for Cancer Research, Frederick, MD, USA
| | - Melissa Kallarakal
- Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Jingqiu Chen
- Office of Science and Technology Resources, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
- ACROBiosystems, Newark, DE, USA
| | - Noemi Kedei
- Office of Science and Technology Resources, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Michael Kelly
- Single Cell Analysis Facility, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Lauren R. Brinster
- Division of Veterinary Resources, Office of Research Services, National Institutes of Health, Bethesda, MD, USA
| | - David Allman
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Avinash Bhandoola
- Laboratory of Genome Integrity, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
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Alavi M, Mejia-Bautista A, Tang M, Bandovic J, Rosenberg AZ, Bialkowska AB. Krüppel-like Factor 5 Plays an Important Role in the Pathogenesis of Chronic Pancreatitis. Cancers (Basel) 2023; 15:5427. [PMID: 38001687 PMCID: PMC10670257 DOI: 10.3390/cancers15225427] [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: 09/26/2023] [Revised: 11/06/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023] Open
Abstract
Chronic pancreatitis results in the formation of pancreatic intraepithelial neoplasia (PanIN) and poses a risk of developing pancreatic cancer. Our previous study demonstrated that Krüppel-like factor 5 (KLF5) is necessary for forming acinar-to-ductal metaplasia (ADM) in acute pancreatitis. Here, we investigated the role of KLF5 in response to chronic injury in the pancreas. Human tissues originating from chronic pancreatitis patients showed increased levels of epithelial KLF5. An inducible genetic model combining the deletion of Klf5 and the activation of KrasG12D mutant expression in pancreatic acinar cells together with chemically induced chronic pancreatitis was used. The chronic injury resulted in increased levels of KLF5 in both control and KrasG12D mutant mice. Furthermore, it led to numerous ADM and PanIN lesions and extensive fibrosis in the KRAS mutant mice. In contrast, pancreata with Klf5 loss (with or without KrasG12D) failed to develop ADM, PanIN, or significant fibrosis. Furthermore, the deletion of Klf5 reduced the expression level of cytokines and fibrotic components such as Il1b, Il6, Tnf, Tgfb1, Timp1, and Mmp9. Notably, using ChIP-PCR, we showed that KLF5 binds directly to the promoters of Il1b, Il6, and Tgfb1 genes. In summary, the inactivation of Klf5 inhibits ADM and PanIN formation and the development of pancreatic fibrosis.
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Affiliation(s)
- Maryam Alavi
- Department of Medicine, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11794, USA (M.T.)
| | - Ana Mejia-Bautista
- Department of Medicine, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11794, USA (M.T.)
| | - Meiyi Tang
- Department of Medicine, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11794, USA (M.T.)
| | - Jela Bandovic
- Department of Pathology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11794, USA
| | - Avi Z. Rosenberg
- Department of Pathology, Johns Hopkins University, Baltimore, MD 21217, USA;
| | - Agnieszka B. Bialkowska
- Department of Medicine, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11794, USA (M.T.)
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Badaoui M, Chanson M. Intercellular Communication in Airway Epithelial Cell Regeneration: Potential Roles of Connexins and Pannexins. Int J Mol Sci 2023; 24:16160. [PMID: 38003349 PMCID: PMC10671439 DOI: 10.3390/ijms242216160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 10/19/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
Connexins and pannexins are transmembrane proteins that can form direct (gap junctions) or indirect (connexons, pannexons) intercellular communication channels. By propagating ions, metabolites, sugars, nucleotides, miRNAs, and/or second messengers, they participate in a variety of physiological functions, such as tissue homeostasis and host defense. There is solid evidence supporting a role for intercellular signaling in various pulmonary inflammatory diseases where alteration of connexin/pannexin channel functional expression occurs, thus leading to abnormal intercellular communication pathways and contributing to pathophysiological aspects, such as innate immune defense and remodeling. The integrity of the airway epithelium, which is the first line of defense against invading microbes, is established and maintained by a repair mechanism that involves processes such as proliferation, migration, and differentiation. Here, we briefly summarize current knowledge on the contribution of connexins and pannexins to necessary processes of tissue repair and speculate on their possible involvement in the shaping of the airway epithelium integrity.
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Affiliation(s)
| | - Marc Chanson
- Department of Cell Physiology & Metabolism, Faculty of Medicine, University of Geneva, 1211 Geneva, Switzerland;
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Thakkar C, Alikunju S, Niranjan N, Rizvi W, Abbas A, Abdellatif M, Sayed D. Klf9 plays a critical role in GR -dependent metabolic adaptations in cardiomyocytes. Cell Signal 2023; 111:110886. [PMID: 37690661 PMCID: PMC10591860 DOI: 10.1016/j.cellsig.2023.110886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 08/29/2023] [Accepted: 09/07/2023] [Indexed: 09/12/2023]
Abstract
Glucocorticoids through activation of the Glucocorticoid receptor (GR) play an essential role in cellular homeostasis during physiological variations and in response to stress. Our genomic GR binding and transcriptome data from Dexamethasone (Dex) treated cardiomyocytes showed an early differential regulation of mostly transcription factors, followed by sequential change in genes involved in downstream functional pathways. We examined the role of Krüppel-like factor 9 (Klf9), an early direct target of GR in cardiomyocytes. Klf9-ChIPseq identified 2150 genes that showed an increase in Klf9 binding in response to Dex. Transcriptome analysis of Dex treated cardiomyocytes with or without knockdown of Klf9 revealed differential regulation of 1777 genes, of which a reversal in expression is seen in 1640 genes with knockdown of Klf9 compared to Dex. Conversely, only 137 (∼8%) genes show further dysregulation in expression with siKLf9, as seen with Dex treated cardiomyocytes. Functional annotation identified genes of metabolic pathways on the top of differentially expressed genes, including those involved in glycolysis and oxidative phosphorylation. Knockdown of Klf9 in cardiomyocytes inhibited Dex induced increase in glycolytic function and mitochondrial spare respiratory capacity, as measured by glycolysis and mito stress tests, respectively. Thus, we conclude that cyclic, diurnal GR activation, through Klf9 -dependent feedforward signaling plays a central role in maintaining cellular homeostasis through metabolic adaptations in cardiomyocytes.
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Affiliation(s)
- Chandni Thakkar
- From the Department of Cell Biology and Molecular Medicine, Rutgers New Jersey Medical School, Newark, NJ 07103, United States of America
| | - Saleena Alikunju
- From the Department of Cell Biology and Molecular Medicine, Rutgers New Jersey Medical School, Newark, NJ 07103, United States of America
| | - Nandita Niranjan
- From the Department of Cell Biology and Molecular Medicine, Rutgers New Jersey Medical School, Newark, NJ 07103, United States of America
| | - Wajiha Rizvi
- High School Research Intern, Wayne Hills High School, Wayne, NJ 07470, United States of America
| | - Ali Abbas
- From the Department of Diagnostic Sciences, Rutgers School of Dental Medicine, Newark, NJ 07103, United States of America
| | - Maha Abdellatif
- From the Department of Cell Biology and Molecular Medicine, Rutgers New Jersey Medical School, Newark, NJ 07103, United States of America
| | - Danish Sayed
- From the Department of Cell Biology and Molecular Medicine, Rutgers New Jersey Medical School, Newark, NJ 07103, United States of America.
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Chen J. Regulatory mechanism of RNA binding motif protein 15-mediated N 6 methyladenosine modification in proliferation, invasion, and migration of colorectal cancer cells. ENVIRONMENTAL TOXICOLOGY 2023; 38:2545-2559. [PMID: 37471637 DOI: 10.1002/tox.23883] [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: 05/05/2023] [Revised: 06/16/2023] [Accepted: 06/29/2023] [Indexed: 07/22/2023]
Abstract
This study aims to explore the regulatory mechanism of RNA binding motif protein 15 (RBM15) on the proliferation, invasion, and migration of colorectal cancer (CRC) cells. RBM15, KLF1, or SIN3A expression in CRC tissues and cells was detected by RT-qPCR or Western blot. CRC cell functions were measured by CCK-8, colony formation, and Transwell assays after RBM15 intervention. MeRIP and RIP measured N6 methyladenosine (m6 A) and IGF2BP3 enrichment on KLF1 mRNA. ChIP and dual-luciferase analyzed KLF1 enrichment on SIN3A promoter. Combined experiments verified the effect of KLF1/SIN3A on CRC cell functions. Lung/liver metastasis models were established to validate the effect of RBM15 on CRC in vivo. RBM15, KLF1, and SIN3A were highly expressed in CRC. RBM15 knockdown reduced the proliferation, invasion, and migration of CRC cells in vitro. Mechanistically, RBM15 facilitated KLF1 mRNA stability and expression through IGF2BP3-dependent m6 A modification, thus promoting KLF1 enrichment on the SIN3A promoter and activating SIN3A transcription. Overexpression of KLF1 or SIN3A reversed the inhibitory effect of RBM15 knockdown on CRC cells. In vivo experiments verified that RBM15 promoted tumorigenesis and lung/liver metastasis via KLF1/SIN3A axis. In conclusion, RBM15 stimulated CRC proliferation and metastasis by promoting the KLF1/SIN3A axis through IGF2BP3-dependent m6 A modification.
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Affiliation(s)
- Jiangmu Chen
- Department of Gastroenterology, Fujian Medical University 2nd Affiliated Hospital, Quanzhou, China
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Li X, Chen D, Ouyang B, Wang S, Li Y, Li L, Zhu S, Zheng G. KLF5/MDM2 Axis Modulates Oxidative Stress and Epithelial-Mesenchymal Transition in Human Lens Epithelial Cells: The Role in Diabetic Cataract. J Transl Med 2023; 103:100226. [PMID: 37532224 DOI: 10.1016/j.labinv.2023.100226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 07/05/2023] [Accepted: 07/20/2023] [Indexed: 08/04/2023] Open
Abstract
Diabetic cataract (DC) is a common cause of visual loss in older diabetic subjects. Krüppel-like factor 5 (KLF5) plays an essential role in migration and the epithelial-mesenchymal transition (EMT) in diverse cells and is involved in oxidative stress. However, the effects of KLF5 on DC remain unknown. This study aimed to examine the biological function of KLF5 in DC and its underlying mechanism. The expression patterns of KLF5 were detected in vivo and in vitro. Then, KLF5 was knocked down in human lens epithelial cells (HLECs) to explore its functional roles and underlying mechanisms. Dual-luciferase reporter assay and chromatin immunoprecipitation analysis were used to detect whether KLF5 could bind the promoter of E3 ubiquitin ligase mouse double minute 2 (MDM2), a key regulator of EMT. Lastly, the regulation of KLF5 in the biological behaviors of HLECs via MDM2 was analyzed. We found a significant increase of KLF5 in the DC lens anterior capsular, diabetic rat lens, and high glucose (HG)-stimulated HLECs. Knockdown of KLF5 inhibited oxidative stress, inflammation, migration, and EMT of HG-stimulated HLECs. KLF5 silencing impeded MDM2 expression and restricted the activation of MARK1/FAK and NF-κB signaling pathways in HLECs under HG condition. Additionally, KLF5 was found to bind the MDM2 promoter and enhance the transcriptional activity of MDM2. The protective effects by silencing KLF5 on HG-cultured HLECs could be offset by MDM2 overexpression. We demonstrated that knockdown of KLF5 alleviated oxidative stress, migration, and EMT of HG-cultured HLECs by regulating MDM2, suggesting a potential therapeutic strategy for DC.
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Affiliation(s)
- Xiao Li
- Department of Ophthalmology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China.
| | - Doudou Chen
- Eye School of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Bowen Ouyang
- Hainan Eye Hospital and Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Haikou, Hainan, China
| | - Shengnan Wang
- Department of Ophthalmology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Yawei Li
- Department of Ophthalmology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Li Li
- Department of Ophthalmology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Siquan Zhu
- Department of Ophthalmology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
| | - Guangying Zheng
- Department of Ophthalmology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China.
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Shulman D, Dubnov S, Zorbaz T, Madrer N, Paldor I, Bennett DA, Seshadri S, Mufson EJ, Greenberg DS, Loewenstein Y, Soreq H. Sex-specific declines in cholinergic-targeting tRNA fragments in the nucleus accumbens in Alzheimer's disease. Alzheimers Dement 2023; 19:5159-5172. [PMID: 37158312 PMCID: PMC10632545 DOI: 10.1002/alz.13095] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 03/21/2023] [Indexed: 05/10/2023]
Abstract
INTRODUCTION Females with Alzheimer's disease (AD) suffer accelerated dementia and loss of cholinergic neurons compared to males, but the underlying mechanisms are unknown. Seeking causal contributors to both these phenomena, we pursued changes in transfer RNS (tRNA) fragments (tRFs) targeting cholinergic transcripts (CholinotRFs). METHODS We analyzed small RNA-sequencing (RNA-Seq) data from the nucleus accumbens (NAc) brain region which is enriched in cholinergic neurons, compared to hypothalamic or cortical tissues from AD brains; and explored small RNA expression in neuronal cell lines undergoing cholinergic differentiation. RESULTS NAc CholinotRFs of mitochondrial genome origin showed reduced levels that correlated with elevations in their predicted cholinergic-associated mRNA targets. Single-cell RNA seq from AD temporal cortices showed altered sex-specific levels of cholinergic transcripts in diverse cell types; inversely, human-originated neuroblastoma cells under cholinergic differentiation presented sex-specific CholinotRF elevations. DISCUSSION Our findings support CholinotRFs contributions to cholinergic regulation, predicting their involvement in AD sex-specific cholinergic loss and dementia.
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Affiliation(s)
- Dana Shulman
- The Edmond & Lily Safra Center for Brain Sciences, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel
- The Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel
- The Rachel and Selim Benin School of Computer Science and Engineering, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel
| | - Serafima Dubnov
- The Edmond & Lily Safra Center for Brain Sciences, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel
- The Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel
| | - Tamara Zorbaz
- The Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel
| | - Nimrod Madrer
- The Edmond & Lily Safra Center for Brain Sciences, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel
- The Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel
| | - Iddo Paldor
- The Neurosurgery Department, Shaare Zedek Medical Center, Jerusalem 9103102, Israel
| | - David A. Bennett
- Rush Alzheimer's Disease Center, Rush University Medical Center, 600 South Paulina, Suite 1028, Chicago, IL 60612, USA
| | - Sudha Seshadri
- UT Health Medical Arts & Research Center, San Antonio , TX 78229, USA
| | - Elliott J. Mufson
- Barrow Neurological Institute, St. Joseph's Medical Center, Phoenix, AZ, 85013, USA
| | - David S. Greenberg
- The Edmond & Lily Safra Center for Brain Sciences, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel
- The Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel
| | - Yonatan Loewenstein
- The Edmond & Lily Safra Center for Brain Sciences, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel
- The Department of Neurobiology, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel
- The Department of Cognitive Sciences, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel
- The Federmann Center for the Study of Rationality, Jerusalem 9190401, Israel
| | - Hermona Soreq
- The Edmond & Lily Safra Center for Brain Sciences, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel
- The Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel
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Sveen LR, Robinson N, Krasnov A, Daniels RR, Vaadal M, Karlsen C, Ytteborg E, Robledo D, Salisbury S, Dagnachew B, Lazado CC, Tengs T. Transcriptomic landscape of Atlantic salmon (Salmo salar L.) skin. G3 (BETHESDA, MD.) 2023; 13:jkad215. [PMID: 37724757 PMCID: PMC10627282 DOI: 10.1093/g3journal/jkad215] [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: 06/21/2023] [Revised: 06/21/2023] [Accepted: 09/13/2023] [Indexed: 09/21/2023]
Abstract
In this study, we present the first spatial transcriptomic atlas of Atlantic salmon skin using the Visium Spatial Gene Expression protocol. We utilized frozen skin tissue from 4 distinct sites, namely the operculum, pectoral and caudal fins, and scaly skin at the flank of the fish close to the lateral line, obtained from 2 Atlantic salmon (150 g). High-quality frozen tissue sections were obtained by embedding tissue in optimal cutting temperature media prior to freezing and sectioning. Further, we generated libraries and spatial transcriptomic maps, achieving a minimum of 80 million reads per sample with mapping efficiencies ranging from 79.3 to 89.4%. Our analysis revealed the detection of over 80,000 transcripts and nearly 30,000 genes in each sample. Among the tissue types observed in the skin, the epithelial tissues exhibited the highest number of transcripts (unique molecular identifier counts), followed by muscle tissue, loose and fibrous connective tissue, and bone. Notably, the widest nodes in the transcriptome network were shared among the epithelial clusters, while dermal tissues showed less consistency, which is likely attributable to the presence of multiple cell types at different body locations. Additionally, we identified collagen type 1 as the most prominent gene family in the skin, while keratins were found to be abundant in the epithelial tissue. Furthermore, we successfully identified gene markers specific to epithelial tissue, bone, and mesenchyme. To validate their expression patterns, we conducted a meta-analysis of the microarray database, which confirmed high expression levels of these markers in mucosal organs, skin, gills, and the olfactory rosette.
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Affiliation(s)
| | - Nicholas Robinson
- Nofima, Fish Health, Tromsø NO-9291, Norway
- School of BioSciences, The University of Melbourne, Melbourne 3010, Australia
| | | | - Rose Ruiz Daniels
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh EH25 9RG, UK
| | | | | | | | - Diego Robledo
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh EH25 9RG, UK
| | - Sarah Salisbury
- The Roslin Institute and Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Edinburgh EH25 9RG, UK
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Li Y, Xu Q, Wang Y, Chen D, Du Y, Li R, Liu K, Zhu J, Lin Y. Knockdown of KLF7 inhibits the differentiation of both intramuscular and subcutaneous preadipocytes in goat. Anim Biotechnol 2023; 34:1072-1082. [PMID: 34890305 DOI: 10.1080/10495398.2021.2011739] [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: 10/19/2022]
Abstract
KLF7 belongs to the Krüppel-like factors (KLFs) family, which function as transcriptional regulators controlling a number of basic cellular processes, involving proliferation, differentiation, and migration. Here, we reveal insights into the differentiated expression of KLF7 in different goat tissues and different stages of growth, and the inhibition role of KLF7 knockdown to differentiation by using goat intramuscular and subcutaneous preadipocytes. We demonstrate that KLF7 expression is obviously changed during the differentiation of preadipocytes into mature adipocytes. Knockdown of KLF7 inhibited lipid droplet accumulation, reduced the expression of adipogenic markers both in intramuscular and subcutaneous preadipocytes in goats, suggesting that KLF7 is a novel regulator of adipogenesis. KLF7 expression changed also up or down-regulation the other KLF family members, but there were differences between these two types of cells. Investigation into the mechanism that KLF7 regulates preadipocyte differentiation revealed that KLF family members KLF1, KLF5, KLF6, KLF8, KLF11, KLF12, KLF16, KLF17 and adipogenic markers C/EBPα and SREBP1 promoter region present KLF7 transcriptional binding sites. Altogether, the data here identify KLF7 as a novel regulator of adipogenesis.
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Affiliation(s)
- Yanyan Li
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu, China
- College of Animal Science and Veterinary Medicine, Southwest Minzu University, Chengdu, China
| | - Qing Xu
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu, China
- College of Animal Science and Veterinary Medicine, Southwest Minzu University, Chengdu, China
- Key Laboratory of Sichuan Province for Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Exploitation, Southwest Minzu University, Chengdu, China
| | - Yong Wang
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu, China
- College of Animal Science and Veterinary Medicine, Southwest Minzu University, Chengdu, China
- Key Laboratory of Sichuan Province for Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Exploitation, Southwest Minzu University, Chengdu, China
| | - Dingshuang Chen
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu, China
- College of Animal Science and Veterinary Medicine, Southwest Minzu University, Chengdu, China
- Key Laboratory of Sichuan Province for Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Exploitation, Southwest Minzu University, Chengdu, China
| | - Yu Du
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu, China
- Key Laboratory of Sichuan Province for Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Exploitation, Southwest Minzu University, Chengdu, China
| | - Ruiwen Li
- Reproductive and Endocrine Laboratory, Chengdu Woman-Child Central Hospital, Chengdu, China
| | - Kehan Liu
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu, China
- College of Animal Science and Veterinary Medicine, Southwest Minzu University, Chengdu, China
- Key Laboratory of Sichuan Province for Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Exploitation, Southwest Minzu University, Chengdu, China
| | - Jiangjiang Zhu
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu, China
- Key Laboratory of Sichuan Province for Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Exploitation, Southwest Minzu University, Chengdu, China
| | - Yaqiu Lin
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization, Ministry of Education, Southwest Minzu University, Chengdu, China
- College of Animal Science and Veterinary Medicine, Southwest Minzu University, Chengdu, China
- Key Laboratory of Sichuan Province for Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Exploitation, Southwest Minzu University, Chengdu, China
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