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Martin SD, Connor T, Sanigorski A, McEwen KA, Henstridge DC, Nijagal B, De Souza D, Tull DL, Meikle PJ, Kowalski GM, Bruce CR, Gregorevic P, Febbraio MA, Collier FM, Walder KR, McGee SL. Class IIa HDACs inhibit cell death pathways and protect muscle integrity in response to lipotoxicity. Cell Death Dis 2023; 14:787. [PMID: 38040704 PMCID: PMC10692215 DOI: 10.1038/s41419-023-06319-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 11/13/2023] [Accepted: 11/16/2023] [Indexed: 12/03/2023]
Abstract
Lipotoxicity, the accumulation of lipids in non-adipose tissues, alters the metabolic transcriptome and mitochondrial metabolism in skeletal muscle. The mechanisms involved remain poorly understood. Here we show that lipotoxicity increased histone deacetylase 4 (HDAC4) and histone deacetylase 5 (HDAC5), which reduced the expression of metabolic genes and oxidative metabolism in skeletal muscle, resulting in increased non-oxidative glucose metabolism. This metabolic reprogramming was also associated with impaired apoptosis and ferroptosis responses, and preserved muscle cell viability in response to lipotoxicity. Mechanistically, increased HDAC4 and 5 decreased acetylation of p53 at K120, a modification required for transcriptional activation of apoptosis. Redox drivers of ferroptosis derived from oxidative metabolism were also reduced. The relevance of this pathway was demonstrated by overexpression of loss-of-function HDAC4 and HDAC5 mutants in skeletal muscle of obese db/db mice, which enhanced oxidative metabolic capacity, increased apoptosis and ferroptosis and reduced muscle mass. This study identifies HDAC4 and HDAC5 as repressors of skeletal muscle oxidative metabolism, which is linked to inhibition of cell death pathways and preservation of muscle integrity in response to lipotoxicity.
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Affiliation(s)
- Sheree D Martin
- Institute for Mental and Physical Heath and Clinical Translation (IMPACT) and Metabolic Research Unit, School of Medicine, Deakin University, Geelong, VIC, 3216, Australia
| | - Timothy Connor
- Institute for Mental and Physical Heath and Clinical Translation (IMPACT) and Metabolic Research Unit, School of Medicine, Deakin University, Geelong, VIC, 3216, Australia
| | - Andrew Sanigorski
- Institute for Mental and Physical Heath and Clinical Translation (IMPACT) and Metabolic Research Unit, School of Medicine, Deakin University, Geelong, VIC, 3216, Australia
| | - Kevin A McEwen
- Institute for Mental and Physical Heath and Clinical Translation (IMPACT) and Metabolic Research Unit, School of Medicine, Deakin University, Geelong, VIC, 3216, Australia
| | - Darren C Henstridge
- College of Health and Medicine, School of Health Sciences, University of Tasmania, Launceston, Australia
- Baker Heart and Diabetes Institute, Melbourne, VIC, 3004, Australia
| | - Brunda Nijagal
- Metabolomics Australia, The University of Melbourne, Parkville, VIC, 3010, Australia
| | - David De Souza
- Metabolomics Australia, The University of Melbourne, Parkville, VIC, 3010, Australia
| | - Dedreia L Tull
- Metabolomics Australia, The University of Melbourne, Parkville, VIC, 3010, Australia
| | - Peter J Meikle
- Baker Heart and Diabetes Institute, Melbourne, VIC, 3004, Australia
| | - Greg M Kowalski
- Institute for Mental and Physical Heath and Clinical Translation (IMPACT) and Metabolic Research Unit, School of Medicine, Deakin University, Geelong, VIC, 3216, Australia
- Institute of Physical Activity and Nutrition (IPAN) and School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC, 3216, Australia
| | - Clinton R Bruce
- Institute of Physical Activity and Nutrition (IPAN) and School of Exercise and Nutrition Sciences, Deakin University, Geelong, VIC, 3216, Australia
| | - Paul Gregorevic
- Centre for Muscle Research, Department of Anatomy and Physiology, The University of Melbourne, Parkville, VIC, Australia
| | - Mark A Febbraio
- Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC, Australia
| | | | - Ken R Walder
- Institute for Mental and Physical Heath and Clinical Translation (IMPACT) and Metabolic Research Unit, School of Medicine, Deakin University, Geelong, VIC, 3216, Australia
| | - Sean L McGee
- Institute for Mental and Physical Heath and Clinical Translation (IMPACT) and Metabolic Research Unit, School of Medicine, Deakin University, Geelong, VIC, 3216, Australia.
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Giriyappagoudar M, Vastrad B, Horakeri R, Vastrad C. Study on Potential Differentially Expressed Genes in Idiopathic Pulmonary Fibrosis by Bioinformatics and Next-Generation Sequencing Data Analysis. Biomedicines 2023; 11:3109. [PMID: 38137330 PMCID: PMC10740779 DOI: 10.3390/biomedicines11123109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 10/31/2023] [Accepted: 11/02/2023] [Indexed: 12/24/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic progressive lung disease with reduced quality of life and earlier mortality, but its pathogenesis and key genes are still unclear. In this investigation, bioinformatics was used to deeply analyze the pathogenesis of IPF and related key genes, so as to investigate the potential molecular pathogenesis of IPF and provide guidance for clinical treatment. Next-generation sequencing dataset GSE213001 was obtained from Gene Expression Omnibus (GEO), and the differentially expressed genes (DEGs) were identified between IPF and normal control group. The DEGs between IPF and normal control group were screened with the DESeq2 package of R language. The Gene Ontology (GO) and REACTOME pathway enrichment analyses of the DEGs were performed. Using the g:Profiler, the function and pathway enrichment analyses of DEGs were performed. Then, a protein-protein interaction (PPI) network was constructed via the Integrated Interactions Database (IID) database. Cytoscape with Network Analyzer was used to identify the hub genes. miRNet and NetworkAnalyst databaseswereused to construct the targeted microRNAs (miRNAs), transcription factors (TFs), and small drug molecules. Finally, receiver operating characteristic (ROC) curve analysis was used to validate the hub genes. A total of 958 DEGs were screened out in this study, including 479 up regulated genes and 479 down regulated genes. Most of the DEGs were significantly enriched in response to stimulus, GPCR ligand binding, microtubule-based process, and defective GALNT3 causes HFTC. In combination with the results of the PPI network, miRNA-hub gene regulatory network and TF-hub gene regulatory network, hub genes including LRRK2, BMI1, EBP, MNDA, KBTBD7, KRT15, OTX1, TEKT4, SPAG8, and EFHC2 were selected. Cyclothiazide and rotigotinethe are predicted small drug molecules for IPF treatment. Our findings will contribute to identification of potential biomarkers and novel strategies for the treatment of IPF, and provide a novel strategy for clinical therapy.
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Affiliation(s)
- Muttanagouda Giriyappagoudar
- Department of Radiation Oncology, Karnataka Institute of Medical Sciences (KIMS), Hubballi 580022, Karnataka, India;
| | - Basavaraj Vastrad
- Department of Pharmaceutical Chemistry, K.L.E. Socitey’s College of Pharmacy, Gadag 582101, Karnataka, India;
| | - Rajeshwari Horakeri
- Department of Computer Science, Govt First Grade College, Hubballi 580032, Karnataka, India;
| | - Chanabasayya Vastrad
- Biostatistics and Bioinformatics, Chanabasava Nilaya, Bharthinagar, Dharwad 580001, Karnataka, India
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Zhang Y, Zhang P, Wang F, Xing F. Influencing factors of sarcopenia in older adults based on the Newman system model: a case-control study. Eur Geriatr Med 2023; 14:1049-1057. [PMID: 37378858 DOI: 10.1007/s41999-023-00822-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Accepted: 06/15/2023] [Indexed: 06/29/2023]
Abstract
PURPOSE Research on sarcopenia has primarily focused on single fields such as physiology or psychology. However, there is a lack of clear evidence to determine the influence of social factors on sarcopenia. Therefore, our aim was to explore the multidimensional factors that contribute to sarcopenia in older adults within the community. METHODS In this retrospective case-control study, we applied the diagnostic criteria from The Asian Working Group on Sarcopenia (AWGS) 2019 to categorize study subjects into control and case groups. Our aim was to examine the impact of physical, psychological, and social factors on community-dwelling older adults with sarcopenia across multiple dimensions. We utilized descriptive statistics, as well as simple and multivariate logistic regression analyses, to analyze the data. We compared the odds ratios (OR) of the factors between the two groups and ranked the importance of the influencing factors using the XGBoost algorithm in Python software. RESULTS Combined with multivariate analysis and XGBoost algorithm results, it can be seen that physical activity is the strongest predictor of sarcopenia [OR] = 0.922(95% CI 0.906-0.948), followed diabetes mellitus [OR] = 3.454(95% CI 1.007-11.854), older age [OR] = 1.112(95% CI 1.023-1.210), divorced or widowed [OR] = 19.148 (95% CI 4.233-86.607), malnutrition [OR] = 18.332(95% CI 5.500-61.099), and depressed [OR] = 7.037(95% CI 2.391-20.710). CONCLUSIONS Factors associated with the development of sarcopenia in community-dwelling older adults cover a multiplicity of physical, psychological, and social factors, physical activity, diabetes mellitus, age, marital status, nutrition, and depression were important factors that have an impact on sarcopenia. REGISTRATION NUMBER ChiCTR2200056297.
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Affiliation(s)
- Yan Zhang
- School of Nursing and Rehabilitation, North China University of Science and Technology, No.21 Bohai Avenue, New Town, Caofeidian District, Tangshan City, 063210, Hebei Province, China
| | - Pan Zhang
- School of Nursing and Rehabilitation, North China University of Science and Technology, No.21 Bohai Avenue, New Town, Caofeidian District, Tangshan City, 063210, Hebei Province, China
| | - Fenglan Wang
- School of Nursing and Rehabilitation, North China University of Science and Technology, No.21 Bohai Avenue, New Town, Caofeidian District, Tangshan City, 063210, Hebei Province, China
| | - Fengmei Xing
- Department of Clinical Medicine, North China University of Science and Technology, Tangshan, 063210, China.
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Montazeri-Najafabady N, Dabbaghmanesh MH, Nasimi N, Sohrabi Z, Chatrabnous N. Correction: The association between TP53 rs1625895 polymorphism and the risk of sarcopenic obesity in Iranian older adults: a case-control study. BMC Musculoskelet Disord 2022; 23:792. [PMID: 35982446 PMCID: PMC9386914 DOI: 10.1186/s12891-022-05682-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Affiliation(s)
| | | | - Nasrin Nasimi
- Nutrition Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zahra Sohrabi
- Nutrition Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Nazanin Chatrabnous
- Endocrinology and Metabolism Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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Montazeri-Najafabady N, Dabbaghmanesh MH, Nasimi N, Sohrabi Z, Estedlal A, Asmarian N. Importance of TP53 codon 72 and intron 3 duplication 16 bp polymorphisms and their haplotypes in susceptibility to sarcopenia in Iranian older adults. BMC Geriatr 2022; 22:103. [PMID: 35123410 PMCID: PMC8818191 DOI: 10.1186/s12877-022-02765-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 01/13/2022] [Indexed: 12/13/2022] Open
Abstract
Abstract
Background
Sarcopenia is described as age-related progressive skeletal muscle failure that results in marked reduction in the patient’s independence and life quality. In this study, we explored the association of TP53 exon 4 Arg72pro (rs1042522) and Intron 3 16-bp Del/Ins (rs17878362) polymorphisms and their haplotypes with sarcopenia, anthropometric, body composition and biochemical parameters.
Methods
A total of 254 older individuals (65 sarcopenic and 189 healthy) were recruited in this research and genotyped by PCR–RFLP. Linear regression was applied to find the correlation between TP53 polymorphism, and biochemical and anthropometric parameters. The correlation between TP53 polymorphism and haplotypes and the risk of sarcopenia was investigated by logistic regression.
Results
Arg/Pro genotype carriers was at a lower (ORadj = 0.175, 95% CI = 0.068 – 0.447; P < 0.001) risk of sarcopenia compared to the Arg/Arg group. In haplotypes analysis, Arg-Ins (ORadj: 0.484, 95% CI = 0.231 – 1.011, P = 0.043) and Pro-Ins (ORadj: 0.473, 95% CI = 0.210 – 1.068, P = 0.022) haplotypes showed decreased risk of developing sarcopenia. Moreover, in the case of codon 72 polymorphism, skeletal muscle mass, appendicular lean mass (ALM), skeletal muscle mass index (SMI), hand grip strength and Triglycerides, for Intron 3 16-bp Del/Ins polymorphism, albumin, calcium, cholesterol, and LDL were different, and for the haplotypes, skeletal muscle mass, SMI, ALM, HDL and triglycerides were significantly different between groups.
Conclusions
We suggested that the Arg/Pro genotype of the codon 72 polymorphism in exon 4 of TP53, and Arginine-Insertion and Proline-Insertion haplotypes might decrease the risk of sarcopenia in Iranian older adults.
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