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Dhooria S, Sharma R, Bal A, Sehgal IS, Kashyap D, Muthu V, Prasad KT, Agarwal R, Aggarwal AN. Common single nucleotide polymorphisms associated with idiopathic pulmonary fibrosis: a systematic review. Eur Respir Rev 2024; 33:240018. [PMID: 39322261 PMCID: PMC11423133 DOI: 10.1183/16000617.0018-2024] [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: 01/30/2024] [Accepted: 06/18/2024] [Indexed: 09/27/2024] Open
Abstract
BACKGROUND Several genetic variants are associated with the risk of idiopathic pulmonary fibrosis (IPF). These have not been systematically reviewed. METHODS We searched the PubMed, Embase and GWAS Catalog databases for studies indexed between inception and 15 January 2024 describing genetic variants associated with IPF susceptibility. We included studies describing common associated single nucleotide polymorphisms (SNPs). We excluded studies describing rare variants, non-SNP variants and those without an allelic model analysis. We recorded study type, participant characteristics, genotyping methods, IPF diagnostic criteria, the SNPs and the respective genes, odds ratios, and other details. We also searched databases for functions of the identified genes. RESULTS The primary search retrieved 2697 publications; we included 42 studies. There were nine genome-wide association/linkage studies, while 27 were candidate gene studies. The studies included 22-11 160 IPF subjects. 88 SNPs in 58 genes or loci were found associated with IPF susceptibility. MUC5B rs35705950 was the most studied SNP. Most (n=51) SNPs were in the intronic or intergenic regions; only 11 were coding sequence variants. The SNPs had odds ratios ranging from 0.27 to 7.82 for an association with IPF. Only 22 SNPs had moderate-large effects (OR >1.5 or <0.67). Only 49.1% of the associated genes have a known functional role in IPF; the role of G protein-related signalling and transcriptional regulation (zinc-finger proteins) remain unexplored. CONCLUSION Several common SNPs in over 50 genes have been found associated with IPF susceptibility. These variants may inform gene panels for future studies (PROSPERO CRD42023408912).
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Affiliation(s)
- Sahajal Dhooria
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
- Both authors contributed equally and can be considered as first authors
| | - Riya Sharma
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
- Both authors contributed equally and can be considered as first authors
| | - Amanjit Bal
- Department of Histopathology, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
| | - Inderpaul Singh Sehgal
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
| | - Dharambir Kashyap
- Department of Histopathology, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
| | - Valliappan Muthu
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
| | - Kuruswamy Thurai Prasad
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
| | - Ritesh Agarwal
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
| | - Ashutosh Nath Aggarwal
- Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
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Singh P, Guin D, Pattnaik B, Kukreti R. Mapping the genetic architecture of idiopathic pulmonary fibrosis: Meta-analysis and epidemiological evidence of case-control studies. Gene 2024; 895:147993. [PMID: 37977320 DOI: 10.1016/j.gene.2023.147993] [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: 07/20/2023] [Revised: 10/23/2023] [Accepted: 11/13/2023] [Indexed: 11/19/2023]
Abstract
BACKGROUND Idiopathic pulmonary fibrosis (IPF) is a rare and devastating fibrotic lung disorder with unknown etiology. Although it is believed that genetic component is an important risk factor for IPF, a comprehensive understanding of its genetic landscape is lacking. Hence, we aimed to highlight the susceptibility genes and pathways implicated in IPF pathogenesis through a two-staged systematic literature search of genetic association studies on IPF, followed by meta-analysis and pathway enrichment analysis. METHODS This study was performed based on PRISMA guidelines (PROSPERO, registration number: CRD42022297970). The first search was performed (using PubMed and Web of Science) retrieving a total of 5642 articles, of which 52 were eligible for inclusion in the first stage. The second search was performed (using PubMed, Web of Science and Scopus) for ten polymorphisms, identified from the first search, with 2 or more studies. Finally, seven polymorphisms, [rs35705950/MUC5B, rs2736100/TERT, rs2609255/FAM13A, rs2076295/DSP, rs12610495/DPP9, rs111521887/TOLLIP and rs1800470/TGF-β1] qualified for meta-analyses. The epidemiological credibility was evaluated using Venice criteria. RESULTS From the systematic review, 222 polymorphisms in 118 genes showed a significant association with IPF susceptibility. Meta-analyses findings revealed significant association of rs35705950/T [OR = 3.92(3.26-4.57)], rs2609255/G [OR = 1.50(1.18-1.82)], rs2076295/G [OR = 1.19(0.82-1.756)], rs12610495/G [OR = 1.28(1.12-1.44)], rs2736100/C [OR = 0.68(0.54-0.82), rs111521887/G [OR = 1.34(1.06-1.61)] and suggestive evidence for rs1800470/T [OR = 1.08(0.82-1.34)] with IPF susceptibility. Four polymorphisms- rs35705950/MUC5B, rs2736100/TERT, rs2076295/DSP and rs111521887/TOLLIP, exhibited substantial epidemiological evidence supporting their association with IPF risk. Gene ontology and pathway enrichment analysis performed on IPF risk-associated genes identified a critical role of genes in mucin production, immune response and inflammation, host defence, cell-cell adhesion and telomere maintenance. CONCLUSIONS Our findings present the most prominent IPF-associated genetic risk variants involved in alveolar epithelial injuries (MUC5B, TERT, FAM13A, DSP, DPP9) and epithelial-mesenchymal transition (TOLLIP, TGF-β1), providing genetic and biological insights into IPF pathogenesis. However, further experimental research and human studies with larger sample sizes, diverse ethnic representation, and rigorous design are warranted.
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Affiliation(s)
- Pooja Singh
- Academy of Scientific and Innovative Research (AcSIR), CSIR-HRDC, Ghaziabad, Uttar Pradesh, India; Genomics and Molecular Medicine Unit, CSIR-Institute of Genomics and Integrative Biology (IGIB), New Delhi, India
| | - Debleena Guin
- Department of Biotechnology, Delhi Technological University, Shahbad Daulatpur, Main Bawana Road, New Delhi, India; Genomics and Molecular Medicine Unit, CSIR-Institute of Genomics and Integrative Biology (IGIB), New Delhi, India
| | - Bijay Pattnaik
- Centre of Excellence for Translational Research in Asthma and Lung Diseases, CSIR-Institute of Genomics and Integrative Biology (IGIB), New Delhi, India; Department of Pulmonary, Critical Care and Sleep Medicine, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Ritushree Kukreti
- Academy of Scientific and Innovative Research (AcSIR), CSIR-HRDC, Ghaziabad, Uttar Pradesh, India; Genomics and Molecular Medicine Unit, CSIR-Institute of Genomics and Integrative Biology (IGIB), New Delhi, India.
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Hu Y, Li Z, Ren Y, Dai H. Association of family sequence similarity gene 13A gene polymorphism and interstitial lung disease susceptibility: A systematic review and meta-analysis. Mol Genet Genomic Med 2023; 11:e2279. [PMID: 37786320 PMCID: PMC10655521 DOI: 10.1002/mgg3.2279] [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: 03/29/2023] [Revised: 07/31/2023] [Accepted: 08/17/2023] [Indexed: 10/04/2023] Open
Abstract
BACKGROUND Among present reports, the T/G allelic variation at the rs2609255 locus of the family sequence similarity gene 13A (FAM13A) was considerable associated with susceptibility to interstitial lung diseases (ILDs). In this study, we summarized relevant studies and applied a meta-analysis to explore whether the polymorphism of rs2609255 site of the FAM13A gene can be utilized to predict susceptibility to idiopathic pulmonary fibrosis (IPF) patients or rheumatoid arthritis-associated interstitial lung disease (RA-ILD) or silicosis patients in different populations for the first time. METHODS We compared the frequency of G allele on rs2609255 site of FAM13A between the control subjects and IPF or RA-ILD or silicosis patients from different races by using meta-analysis. Nine studies were involved in this meta-analysis, including five IPF studies, two RA-ILD studies, and two silicosis studies, and containing 14 subgroups. We conducted separate meta-analyses for different races. RESULTS In all individuals, a substantial link between the G allele of the FAM13A rs2609255 polymorphism and IPF (OR: 1.47, 95% CI: 1.33-1.63, p < 0.00001) was indicated. After dividing by ethnicity, the G allele was illustrated to be considerable correlation with IPF in Asian (OR: 2.63, 95% CI: 1.81-3.81, p < 0.00001) and with RA-ILD individuals (OR: 3.27, 95% CI: 1.26-8.49, p = 0.01). Conversely, there was no correlation with the G allele and IPF in European individuals (OR: 1.27, 95% CI: 0.89-1.83, p = 0.13) or silicosis in Chinese individuals (OR: 1.20, 95% CI: 0.99-1.46, p = 0.07). CONCLUSION This is the first meta-analysis that provides evidence that the rs2609255 of FAM13A might increase susceptibility to RA-ILD, and IPF especially in Asian but not in European individuals, and not be correlated with silicosis in Chinese individuals, which indicated the differences in susceptibility to disease by race were noteworthy.
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Affiliation(s)
- Yinan Hu
- National Center for Respiratory MedicineBeijingP.R. China
- National Clinical Research Center for Respiratory DiseasesBeijingP.R. China
- Institute of Respiratory Medicine, Chinese Academy of Medical SciencesBeijingP.R. China
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory MedicineChina‐Japan Friendship HospitalBeijingP.R. China
| | - Zhen Li
- China‐Japan Friendship HospitalBeijingP.R. China
- Chinese Academy of Medical Sciences, Peking Union Medical CollegeBeijingP.R. China
| | - Yanhong Ren
- National Center for Respiratory MedicineBeijingP.R. China
- National Clinical Research Center for Respiratory DiseasesBeijingP.R. China
- Institute of Respiratory Medicine, Chinese Academy of Medical SciencesBeijingP.R. China
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory MedicineChina‐Japan Friendship HospitalBeijingP.R. China
| | - Huaping Dai
- National Center for Respiratory MedicineBeijingP.R. China
- National Clinical Research Center for Respiratory DiseasesBeijingP.R. China
- Institute of Respiratory Medicine, Chinese Academy of Medical SciencesBeijingP.R. China
- Department of Pulmonary and Critical Care Medicine, Center of Respiratory MedicineChina‐Japan Friendship HospitalBeijingP.R. China
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Hsieh MJ, Lo YS, Tsai YJ, Ho HY, Lin CC, Chuang YC, Lin SH, Chen MK. FAM13A polymorphisms are associated with a specific susceptibility to clinical progression of oral cancer in alcohol drinkers. BMC Cancer 2023; 23:607. [PMID: 37391706 DOI: 10.1186/s12885-023-11052-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 06/09/2023] [Indexed: 07/02/2023] Open
Abstract
BACKGROUND Single nucleotide polymorphism (SNP) is a genetic variation that occurs when a single nucleotide base in the DNA sequence varies between individuals and is present in at least 1% of the population. Genetic variants in FAM13A are associated with different types of chronic respiratory diseases, including chronic obstructive pulmonary disease (COPD), cystic fibrosis (CF), and lung cancer. However, there is little literature on the association of FAM13A genotypes with oral cancer. Therefore, this project will explore the correlation between the FAM13A genotype and the formation of oral cancer. METHODS In this project, we will examine the presence of gene polymorphisms gene polymorphisms of rs1059122, rs3017895, rs3756050, and rs7657817 in the FAM13A gene exon, and combine the expression of these genes to try to clarify the impact of the FAM13A gene polymorphism on oral cancer. First, four loci (rs1059122, rs3017895, rs3756050, and rs7657817) of the FAM13A SNP were genotyped using TaqMan allelic discrimination. RESULTS By estimating OR and AOR, FAM13A exhibited different genotypic variables in four SNPs that were not statistically significant between controls and patients with oral cancer. The results of the general analysis showed that different distributions of allelic types did not affect clinical stage, tumour size, lymph node invasion, distant metastasis, and pathological differentiation status. However, in the alcohol drinking group specifically, patients with the rs3017895 SNP G genotype had a 3.17-fold (95% CI, 1.102-9.116; p = 0.032) increase in the well differentiated state of cells compared to patients with the A allele. CONCLUSIONS Our results suggested that the SNP rs3017895 FAM13A could contribute to oral cancer. More sample studies are needed in the future to confirm our results and more functional studies are needed to investigate their relevant roles in the development of oral cancer.
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Affiliation(s)
- Ming-Ju Hsieh
- Oral Cancer Research Center, Changhua Christian Hospital, Changhua, 500, Taiwan
- Program in Tissue Engineering and Regenerative Medicine, College of Medicine, National Chung Hsing University, Taichung, 402, Taiwan
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, 404, Taiwan
| | - Yu-Sheng Lo
- Oral Cancer Research Center, Changhua Christian Hospital, Changhua, 500, Taiwan
| | - Yun-Jung Tsai
- Department of Surgical Pathology, Changhua Christian Hospital, Changhua, 500, Taiwan
- Translational Pathology Core Laboratory, Changhua Christian Hospital, Changhua, 500, Taiwan
| | - Hsin-Yu Ho
- Oral Cancer Research Center, Changhua Christian Hospital, Changhua, 500, Taiwan
| | - Chia-Chieh Lin
- Oral Cancer Research Center, Changhua Christian Hospital, Changhua, 500, Taiwan
| | - Yi-Ching Chuang
- Oral Cancer Research Center, Changhua Christian Hospital, Changhua, 500, Taiwan
| | - Shu-Hui Lin
- Department of Surgical Pathology, Changhua Christian Hospital, Changhua, 500, Taiwan
- Translational Pathology Core Laboratory, Changhua Christian Hospital, Changhua, 500, Taiwan
- Department of Medical Laboratory Science and Biotechnology, Central Taiwan University of Science and Technology, Taichung, 406, Taiwan
| | - Mu-Kuan Chen
- Department of Otorhinolaryngology, Head and Neck Surgery, Changhua Christian Hospital, No.135, Nanxiao St., Changhua City, Changhua County, 500, Taiwan.
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung, 402, Taiwan.
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Higuchi T, Oka S, Furukawa H, Shimada K, Tsunoda S, Ito S, Okamoto A, Katayama M, Saisho K, Shinohara S, Matsui T, Migita K, Nagaoka S, Tohma S. Association of a FAM13A variant with interstitial lung disease in Japanese rheumatoid arthritis. RMD Open 2023; 9:rmdopen-2022-002828. [PMID: 36717188 PMCID: PMC9887688 DOI: 10.1136/rmdopen-2022-002828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Accepted: 01/09/2023] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND Interstitial lung disease (ILD) occasionally occurs in rheumatoid arthritis (RA) and confers a dismal prognosis. We previously reported that a single-nucleotide variant (SNV) of MUC5B was associated with ILD in RA. However, the pathogenesis of ILD in Japanese patients with RA could not be explained solely by this SNV because its frequency is extremely low in the Japanese population. Here, we examined whether a different idiopathic pulmonary fibrosis susceptibility SNV might be associated with ILD in Japanese patients with RA. METHODS Genotyping of rs2609255 (G/T) in FAM13A was conducted in 208 patients with RA with ILD and 420 without chronic lung disease using TaqMan assays. RESULTS A significant association with usual interstitial pneumonia (UIP) in RA was detected for rs2609255 under the allele model (p=0.0092, Pc=0.0276, OR 1.53, 95% CI 1.12 to 2.11) and recessive model for the G allele (p=0.0003, Pc=0.0009, OR 2.63, 95% CI 1.59 to 4.32). FAM13A rs2609255 was significantly associated with UIP in male patients with RA (p=0.0043, OR 3.65, 95% CI 1.52 to 8.73) under the recessive model. CONCLUSIONS This study is the first to document an association of rs2609255 with ILD in Japanese patients with RA, implicating it in the pathogenesis of UIP, though studies on the function of rs2609255 are warranted.
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Affiliation(s)
- Takashi Higuchi
- Department of Clinical Research, National Hospital Organization Tokyo National Hospital, Kiyose, Japan,Department of Nephrology, Ushiku Aiwa General Hospital, Ushiku, Japan
| | - Shomi Oka
- Department of Clinical Research, National Hospital Organization Tokyo National Hospital, Kiyose, Japan,Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital, Sagamihara, Japan
| | - Hiroshi Furukawa
- Department of Clinical Research, National Hospital Organization Tokyo National Hospital, Kiyose, Japan .,Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital, Sagamihara, Japan
| | - Kota Shimada
- Department of Rheumatic Diseases, Tokyo Metropolitan Tama Medical Center, Fuchu, Japan,Department of Rheumatology, National Hospital Organization Sagamihara National Hospital, Sagamihara, Japan
| | - Shinichiro Tsunoda
- Department of Nephrology, Sumitomo Hospital, Osaka, Japan,Department of Internal Medicine, Hyogo College of Medicine, Nishinomiya, Japan
| | - Satoshi Ito
- Department of Rheumatology, Niigata Rheumatic Center, Shibata, Japan
| | - Akira Okamoto
- Department of Rheumatology, National Hospital Organization Himeji Medical Center, Himeji, Japan
| | - Masao Katayama
- Department of Internal Medicine, National Hospital Organization Nagoya Medical Center, Nagoya, Japan
| | - Koichiro Saisho
- Tanimura Hospital, Nobeoka, Japan,Department of Orthopedics/Rheumatology, National Hospital Organization Miyakonojo Medical Center, Miyakonojo, Japan
| | | | - Toshihiro Matsui
- Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital, Sagamihara, Japan,Department of Rheumatology, National Hospital Organization Sagamihara National Hospital, Sagamihara, Japan
| | - Kiyoshi Migita
- Department of Gastroenterology and Rheumatology, Fukushima Medical University School of Medicine, Fukushima, Japan,Clinical Research Center, National Hospital Organization Nagasaki Medical Center, Omura, Japan
| | - Shouhei Nagaoka
- Department of Rheumatology, Yokohama Minami Kyosai Hospital, Yokohama, Japan
| | - Shigeto Tohma
- Department of Clinical Research, National Hospital Organization Tokyo National Hospital, Kiyose, Japan,Clinical Research Center for Allergy and Rheumatology, National Hospital Organization Sagamihara National Hospital, Sagamihara, Japan
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César Santos de Castro1,2,3 M, Santos Ferreira Nani2 A, Cezar Rodrigues Salum1 K, de Mendonça Rolando1 J, Fernandes Barbosa dos Santos1 J, Albuquerque de Castro4 H, Canto Ribeiro4 P, Costa3 W, Brasileiro de Mello1,5 C, Barzotto Kohlrausch5 F. Genetic polymorphisms and their effects on the severity of silicosis in workers exposed to silica in Brazil. J Bras Pneumol 2022; 48:e20220167. [DOI: 10.36416/1806-3756/e20220167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 07/06/2022] [Indexed: 11/17/2022] Open
Abstract
Objective: Silicosis is a pneumoconiosis characterized by fibrosis of the lung parenchyma caused by inhalation of silica particles. Genetic factors might play a role in the severity silicosis. We sought to evaluate the influence of polymorphisms in the ACE, FAS, FASLG, NOS2, IL1RN, FAM13A, TGFB1, and TNF genes on the severity of silicosis. Methods: Nine polymorphisms were genotyped by PCR in a sample of 143 patients with silicosis in the state of Rio de Janeiro, Brazil. Results: Fifty-seven patients (40%) were classified as having simple silicosis and 86 (60%) were classified as having complicated silicosis. The TT genotype of rs1800469 in the TGFB1 gene showed a protective effect for complicated silicosis (OR = 0.35; 95% CI, 0.14-0.92; p = 0.028) when compared with the other two genotypes (CC+CT). The polymorphic T allele of rs763110 in the FASLG gene (OR = 0.56; 95% CI, 0.31-0.99; p = 0.047), as well as a dominant model for the T allele (TT+CT: OR = 0.37; 95% CI, 0.15-0.96; p = 0.037), also showed a protective effect. When patients with simple silicosis despite having been exposed to silica for a longer time (> 44,229 hours) were compared with patients with complicated silicosis despite having been exposed to silica for a shorter time, the T allele of rs763110 in the FASLG gene (OR = 0.20; 95% CI, 0.08-0.48; p < 0.0001), as well as dominant and recessive models (OR = 0.06; 95% CI, 0.00-0.49; p = 0.01 and OR = 0.22; 95% CI, 0.06-0.77; p = 0.014, respectively), showed a protective effect against the severity of silicosis. Conclusions: It appears that rs1800469 polymorphisms in the TGFB1 gene and rs763110 polymorphisms in the FASLG gene are involved in the severity of silicosis. Given the lack of studies relating genetic polymorphisms to the severity of silicosis, these results should be replicated in other populations.
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Affiliation(s)
- Marcos César Santos de Castro1,2,3
- 1. Programa de Pós-Graduação em Ciências e Biotecnologia, Universidade Federal Fluminense, Niterói (RJ) Brasil. 2. Departamento de Medicina Clínica, Hospital Universitário Antônio Pedro, Universidade Federal Fluminense, Niterói (RJ) Brasil. 3. Universidade do Estado do Rio de Janeiro, Rio de Janeiro (RJ) Brasil
| | - Angela Santos Ferreira Nani2
- 2. Departamento de Medicina Clínica, Hospital Universitário Antônio Pedro, Universidade Federal Fluminense, Niterói (RJ) Brasil
| | - Kaio Cezar Rodrigues Salum1
- 1. Programa de Pós-Graduação em Ciências e Biotecnologia, Universidade Federal Fluminense, Niterói (RJ) Brasil
| | | | | | | | | | - Walter Costa3
- 3. Universidade do Estado do Rio de Janeiro, Rio de Janeiro (RJ) Brasil
| | - Cícero Brasileiro de Mello1,5
- 1. Programa de Pós-Graduação em Ciências e Biotecnologia, Universidade Federal Fluminense, Niterói (RJ) Brasil. 5. Departamento de Biologia Geral, Universidade Federal Fluminense, Niterói (RJ) Brasil
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Ma H, Wu X, Li Y, Xia Y. Research Progress in the Molecular Mechanisms, Therapeutic Targets, and Drug Development of Idiopathic Pulmonary Fibrosis. Front Pharmacol 2022; 13:963054. [PMID: 35935869 PMCID: PMC9349351 DOI: 10.3389/fphar.2022.963054] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 06/24/2022] [Indexed: 12/12/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a fatal interstitial lung disease. Recent studies have identified the key role of crosstalk between dysregulated epithelial cells, mesenchymal, immune, and endothelial cells in IPF. In addition, genetic mutations and environmental factors (e.g., smoking) have also been associated with the development of IPF. With the recent development of sequencing technology, epigenetics, as an intermediate link between gene expression and environmental impacts, has also been reported to be implicated in pulmonary fibrosis. Although the etiology of IPF is unknown, many novel therapeutic targets and agents have emerged from clinical trials for IPF treatment in the past years, and the successful launch of pirfenidone and nintedanib has demonstrated the promising future of anti-IPF therapy. Therefore, we aimed to gain an in-depth understanding of the underlying molecular mechanisms and pathogenic factors of IPF, which would be helpful for the diagnosis of IPF, the development of anti-fibrotic drugs, and improving the prognosis of patients with IPF. In this study, we summarized the pathogenic mechanism, therapeutic targets and clinical trials from the perspective of multiple cell types, gene mutations, epigenetic and environmental factors.
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Affiliation(s)
- Hongbo Ma
- Department of Rehabilitation Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Xuyi Wu
- Department of Rehabilitation Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Rehabilitation Medicine in Sichuan Province/Rehabilitation Medicine Research Institute, Chengdu, China
| | - Yi Li
- Department of Rehabilitation Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Rehabilitation Medicine in Sichuan Province/Rehabilitation Medicine Research Institute, Chengdu, China
| | - Yong Xia
- Department of Rehabilitation Medicine, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- Key Laboratory of Rehabilitation Medicine in Sichuan Province/Rehabilitation Medicine Research Institute, Chengdu, China
- *Correspondence: Yong Xia,
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8
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Molecular pathways and role of epigenetics in the idiopathic pulmonary fibrosis. Life Sci 2022; 291:120283. [PMID: 34998839 DOI: 10.1016/j.lfs.2021.120283] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 12/19/2021] [Accepted: 12/27/2021] [Indexed: 12/12/2022]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a fatal lung disease with unknown etiological factors that can progress to other dangerous diseases like lung cancer. Environmental and genetic predisposition are the two major etiological or risk factors involved in the pathology of the IPF. Among the environmental risk factors, smoking is one of the major causes for the development of IPF. Epigenetic pathways like nucleosomes remodeling, DNA methylation, histone modifications and miRNA mediated genes play a crucial role in development of IPF. Mutations in the genes make the epigenetic factors as important drug targets in IPF. Transcriptional changes due to environmental factors are also involved in the progression of IPF. The mutations in human telomerase reverse transcriptase (hTERT) have shown decreased life expectancy in IPF patients. The TERT-gene is highly expressed in chronic smokers and makes the role of epigenetics evident. Drug like nintedanib acts through vascular endothelial growth factor receptors (VEGFR), while drug pirfenidone acts through transforming growth factor (TGF), which is useful in IPF. Gefitinib, a tyrosine kinase inhibitor of EGFR, is useful as an anti-fibrosis agent in preclinical models. Newer drugs such as Celgene-CC90001 and FibroGen-FG-3019 are currently under investigations acts through the modulating epigenetic mechanisms. Thus, the study on epigenetics opens a wide window for the discovery of newer drugs. This study provides an elementary analysis of multiple regulators of epigenetics and their roles associated with the pathology of IPF. Further, this review also includes epigenetic drugs under development in preclinical and clinical stages.
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Guzmán-Vargas J, Ambrocio-Ortiz E, Pérez-Rubio G, Ponce-Gallegos MA, Hernández-Zenteno RDJ, Mejía M, Ramírez-Venegas A, Buendia-Roldan I, Falfán-Valencia R. Differential Genomic Profile in TERT, DSP, and FAM13A Between COPD Patients With Emphysema, IPF, and CPFE Syndrome. Front Med (Lausanne) 2021; 8:725144. [PMID: 34490311 PMCID: PMC8416604 DOI: 10.3389/fmed.2021.725144] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 07/22/2021] [Indexed: 12/31/2022] Open
Abstract
Background: Genetic association studies have identified single nucleotide polymorphisms (SNPs) associated with lasting lung diseases such as Chronic Obstructive Pulmonary Disease (COPD) and Idiopathic Pulmonary Fibrosis (IPF), as well as the simultaneous presentation, known as Combined Pulmonary Fibrosis and Emphysema (CPFE) Syndrome. It is unknown if these diseases share genetic variants previously described in an independent way. This study aims to identify common or differential variants between COPD, IPF, and CPFE. Materials and methods: The association analysis was carried out through a case-control design in a Mexican mestizo population (n = 828); three patients' groups were included: COPD smokers (COPD-S, n = 178), IPF patients (n = 93), and CPFE patients (n = 16). Also, two comparison groups were analyzed: smokers without COPD (SWOC, n = 367) and healthy subjects belonging to the Mexican Pulmonary Aging Cohort (PAC, n = 174). Five SNPs in four genes previously associated to interstitial and obstructive diseases were selected: rs2609255 (FAM13A), rs2736100 (TERT), rs2076295 (DSP) rs5743890, and rs111521887 (TOLLIP). Genotyping was performed by qPCR using predesigned Taqman probes. Results: In comparing IPF vs. PAC, significant differences were found in the frequency of the rs260955 G allele associated with the IPF risk (OR = 1.68, p = 0.01). Also, the genotypes, GG of rs260955 (OR = 2.86, p = 0.01) and TT of rs2076295 (OR = 1.79, p = 0.03) were associated with an increased risk of IPF; after adjusting by covariables, only the rs260955 G allele remain significant (p = 0.01). For the CPFE vs. PAC comparison, an increased CPFE risk was identified since there is a difference in the rs2736100 C allele (OR = 4.02, p < 0.01; adjusted p < 0.01). For COPD-S, the rs2609255 TG genotype was associated with increased COPD risk after adjusting by covariables. Conclusion: The rs2736100 C allele is associated with decreased IPF risk and confers an increased risk for CPFE. Also, the rs2076295 TT genotype is associated with increased IPF risk, while the GG genotype is associated with CFPE susceptibility. The rs2609255 G allele and GG genotype are associated with IPF susceptibility, while the TG genotype is present in patients with emphysema.
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Affiliation(s)
- Javier Guzmán-Vargas
- HLA Laboratory, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City, Mexico
| | - Enrique Ambrocio-Ortiz
- HLA Laboratory, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City, Mexico
| | - Gloria Pérez-Rubio
- HLA Laboratory, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City, Mexico
| | | | | | - Mayra Mejía
- Interstitial Pulmonary Diseases and Rheumatology Unit, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City, Mexico
| | - Alejandra Ramírez-Venegas
- Tobacco Smoking and COPD Research Department, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City, Mexico
| | - Ivette Buendia-Roldan
- Translational Research Laboratory on Aging and Pulmonary Fibrosis, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City, Mexico
| | - Ramcés Falfán-Valencia
- HLA Laboratory, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City, Mexico
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Wang T, Sun W, Wu H, Cheng Y, Li Y, Meng F, Ni C. Respiratory traits and coal workers' pneumoconiosis: Mendelian randomisation and association analysis. Occup Environ Med 2020; 78:137-141. [PMID: 33097673 DOI: 10.1136/oemed-2020-106610] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 08/12/2020] [Accepted: 08/17/2020] [Indexed: 12/20/2022]
Abstract
OBJECTIVES Susceptibility loci of idiopathic pulmonary fibrosis and chronic obstructive pulmonary disease were also significantly associated with the predisposition of coal worker's pneumoconiosis (CWP) in recent studies. However, only a few genes and loci were targeted in previous studies. METHODS To systematically evaluate the genetic associations between CWP and other respiratory traits, we reviewed the reported genome-wide association study loci of five respiratory traits and then conducted a Mendelian randomisation study and a two-stage genetic association study. RESULTS Interestingly, we found that for each SD unit, higher lung function was associated with a 66% lower risk of CWP (OR=0.34, 95% CI: 0.15 to 0.77, p=0.010) using conventional Mendelian randomisation analysis (inverse variance weighted method). Moreover, we found susceptibility loci of interstitial lung disease (rs2609255, OR=1.29, p=1.61×10-4) and lung function (rs4651005, OR=1.39, p=1.62×10-3; rs985256, OR=0.73, p=8.24×10-4 and rs6539952, OR=1.28, p=4.32×10-4) were also significantly associated with the risk of CWP. Functional annotation showed these variants were significantly associated with the expression of FAM13A (rs2609255, p=7.4 ×10-4), ANGPTL1 (rs4651005, p=5.4 ×10-7), SPATS2L (rs985256, p=1.1 ×10-5) and RP11-463O9.9 (rs6539952, p=7.1 ×10-6) in normal lung tissues, which were related to autophagy pathway simultaneously according to enrichment analysis. CONCLUSIONS These results provided a deeper understanding of the genetic predisposition basis of CWP.
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Affiliation(s)
- Ting Wang
- Pathology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu, China
| | - Wenqing Sun
- Department of Occupational Medicine and Environmental Health and Key Laboratory of Modern Toxicology of Ministry of Education, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Hongyan Wu
- Pathology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu, China
| | - Yuxin Cheng
- Comprehensive Cancer Centre, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu, China
| | - Yan Li
- Department of Occupational Medicine and Environmental Health and Key Laboratory of Modern Toxicology of Ministry of Education, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Fanqing Meng
- Pathology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu, China
| | - Chunhui Ni
- Department of Occupational Medicine and Environmental Health and Key Laboratory of Modern Toxicology of Ministry of Education, Nanjing Medical University, Nanjing, Jiangsu, China
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Rinastiti P, Ikeda K, Rahardini EP, Miyagawa K, Tamada N, Kuribayashi Y, Hirata KI, Emoto N. Loss of family with sequence similarity 13, member A exacerbates pulmonary hypertension through accelerating endothelial-to-mesenchymal transition. PLoS One 2020; 15:e0226049. [PMID: 32053709 PMCID: PMC7018082 DOI: 10.1371/journal.pone.0226049] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2019] [Accepted: 01/23/2020] [Indexed: 12/22/2022] Open
Abstract
Pulmonary hypertension is a progressive lung disease with poor prognosis due to the consequent right heart ventricular failure. Pulmonary artery remodeling and dysfunction are culprits for pathologically increased pulmonary arterial pressure, but their underlying molecular mechanisms remain to be elucidated. Previous genome-wide association studies revealed a significant correlation between the genetic locus of family with sequence similarity 13, member A (FAM13A) and various lung diseases such as chronic obstructive pulmonary disease and pulmonary fibrosis; however whether FAM13A is also involved in the pathogenesis of pulmonary hypertension remained unknown. Here, we identified a significant role of FAM13A in the development of pulmonary hypertension. FAM13A expression was reduced in the lungs of mice with hypoxia-induced pulmonary hypertension. We identified that FAM13A was expressed in lung vasculatures, especially in endothelial cells. Genetic loss of FAM13A exacerbated pulmonary hypertension in mice exposed to chronic hypoxia in association with deteriorated pulmonary artery remodeling. Mechanistically, FAM13A decelerated endothelial-to-mesenchymal transition potentially by inhibiting β-catenin signaling in pulmonary artery endothelial cells. Our data revealed a protective role of FAM13A in the development of pulmonary hypertension, and therefore increasing and/or preserving FAM13A expression in pulmonary artery endothelial cells is an attractive therapeutic strategy for the treatment of pulmonary hypertension.
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Affiliation(s)
- Pranindya Rinastiti
- Laboratory of Clinical Pharmaceutical Science, Kobe Pharmaceutical University, Kobe, Japan
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Koji Ikeda
- Laboratory of Clinical Pharmaceutical Science, Kobe Pharmaceutical University, Kobe, Japan
- * E-mail:
| | - Elda Putri Rahardini
- Laboratory of Clinical Pharmaceutical Science, Kobe Pharmaceutical University, Kobe, Japan
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kazuya Miyagawa
- Laboratory of Clinical Pharmaceutical Science, Kobe Pharmaceutical University, Kobe, Japan
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Naoki Tamada
- Laboratory of Clinical Pharmaceutical Science, Kobe Pharmaceutical University, Kobe, Japan
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yuko Kuribayashi
- Laboratory of Clinical Pharmaceutical Science, Kobe Pharmaceutical University, Kobe, Japan
| | - Ken-ichi Hirata
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Noriaki Emoto
- Laboratory of Clinical Pharmaceutical Science, Kobe Pharmaceutical University, Kobe, Japan
- Division of Cardiovascular Medicine, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe, Japan
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12
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microRNA-328 in exosomes derived from M2 macrophages exerts a promotive effect on the progression of pulmonary fibrosis via FAM13A in a rat model. Exp Mol Med 2019; 51:1-16. [PMID: 31164635 PMCID: PMC6547742 DOI: 10.1038/s12276-019-0255-x] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 01/21/2019] [Accepted: 01/29/2019] [Indexed: 01/30/2023] Open
Abstract
Currently, exosome-enclosed microRNAs (miRs) in exhaled breath have potential for biomarker discovery in patients with pulmonary diseases. This study was performed to investigate the roles of M2 macrophage-derived exosomes expressing miR-328 in pulmonary fibrosis (PF). Microarray-based analysis was used to screen differentially expressed genes (DEGs) and regulatory miRs in PF. The miR-target relationship between FAM13A and miR-328 was confirmed. The expression of FAM13A and miR-328 was measured in PF rats, and gain- and loss-of-function assays were conducted to determine the regulatory effects of FAM13A and miR-328 on PF. In addition, exosomes derived from M2 macrophages were isolated and then cocultured with pulmonary interstitial fibroblasts to identify the role of these exosomes in PF. Furthermore, the effects of M2 macrophage-derived exosomes overexpressing miR-328 on pulmonary fibroblast proliferation and the progression of PF were assessed in vivo. miR-328 might perform a vital function in PF by regulating FAM13A. FAM13A expression was downregulated while miR-328 expression was upregulated in rats with PF, and a miR-target relationship between miR-328 and FAM13A was observed. Additionally, miR-328 overexpression and FAM13A silencing each were suggested to promote pulmonary interstitial fibroblast proliferation and the expression of Collagen 1A, Collagen 3A and α-SMA. Then, in vitro experiments demonstrated that M2 macrophage-derived exosomes overexpressing miR-328 contributed to enhanced pulmonary interstitial fibroblast proliferation and promoted PF. Furthermore, in vivo experiments confirmed the promotive effects of M2 macrophage-derived exosomes overexpressing miR-328 on the progression of PF. Collectively, the results showed that M2 macrophage-derived exosomes overexpressing miR-328 aggravate PF through the regulation of FAM13A. Studies in rats suggest that microRNAs, small molecules of ribonucleic acid, released by macrophage cells of the immune system can promote pulmonary fibrosis (PF), the formation of scar tissue in lungs. Gao-Feng Zhao, Li-Hua Xing and colleagues at The First Affiliated Hospital of Zhengzhou University in China investigated the role of microRNAs in rats with a form of PF that serves as a model for the disease in humans. Their findings confirm that specific microRNAs released in tiny membrane-bound sacs called exosomes interact with and inhibit a gene whose activity is known to be disrupted in PF. The protein encoded by this gene mediates crucial molecular signaling events in lung cells. Developing drugs that interfere with the activity of the microRNAs is a potential new treatment approach for PF.
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13
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Trade-offs in aging lung diseases: a review on shared but opposite genetic risk variants in idiopathic pulmonary fibrosis, lung cancer and chronic obstructive pulmonary disease. Curr Opin Pulm Med 2019. [PMID: 29517586 PMCID: PMC5895171 DOI: 10.1097/mcp.0000000000000476] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
PURPOSE OF REVIEW The process of aging involves biological changes that increases susceptibility for disease. In the aging lung disease IPF, GWAS studies identified genes associated with risk for disease. Recently, several of these genes were also found to be involved in risk for COPD or lung cancer. This review describes GWAS-derived risk genes for IPF that overlap with risk genes for lung cancer or COPD. RECENT FINDINGS Risk genes that overlap between aging lung diseases, include FAM13A, DSP and TERT. Most interestingly, disease predisposing alleles for IPF are opposite to those for COPD or lung cancer. Studies show that the alleles are associated with differential gene expression and with physiological traits in the general population. The opposite allelic effect sizes suggest the presence of trade-offs in the aging lung. For TERT, the trade-off involves cellular senescence versus proliferation and repair. For FAM13A and DSP, trade-offs may involve protection from noxious gases or tissue integrity. SUMMARY The overlap in risk genes in aging lung diseases provides evidence that processes associated with FAM13A, DSP and TERT are important for healthy aging. The opposite effect size of the disease risk alleles may represent trade-offs, for which a model involving an apicobasal gene expression gradient is presented.
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14
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Zhang Y, Wang S, Wang C, Xiao J, Zhang S, Zhou H. High expression of FAM13A was associated with increasing the liver cirrhosis risk. Mol Genet Genomic Med 2019; 7:e543. [PMID: 30604588 PMCID: PMC6418360 DOI: 10.1002/mgg3.543] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 11/20/2018] [Accepted: 12/04/2018] [Indexed: 12/17/2022] Open
Abstract
Aim Liver cirrhosis is a consequence of chronic liver disease, and it may be caused by multiple influences of both genetic and environmental factors. Family with sequence similarity 13 member A (FAM13A) has been previously associated with lung function in several lung diseases, including chronic obstructive pulmonary disease, asthma, lung cancer, and pulmonary fibrosis. The aim of this study was to explore whether FAM13A polymorphisms confer susceptibility to liver cirrhosis. Methods FAM13A expression was evaluated in liver cirrhosis tissues by immunohistochemistry staining. The relationship between FAM13A gene polymorphism and liver cirrhosis was determined by association analysis. The genotypes were assessed in the Agena MassARRAY platform. Statistical analysis was performed using chi‐squared test/Fisher's exact test, genetic model analysis, and haplotype analysis. Results The results showed that the expression of FAM13A is obvious higher in the liver cirrhosis tissue cells than in the normal liver tissue cells. Moreover, association analysis results indicated that the minor allele “A” of rs3017895 was positively associated with high risk of liver cirrhosis in the allele model by the chi‐squared test (OR = 1.32, 95%CI = 1.03–1.68, p = 0.028). Logistic regression analyses revealed that the risk of liver cirrhosis was significantly higher in subjects with the G/A‐G/G genotype of rs3017895 than those with A/A genotype under the dominant model and log additive model, and the T/A‐A/A genotype of rs1059122 was positively associated with higher liver cirrhosis than T/T genotype based on dominant model respectively. In addition, haplotype analysis showed that the G‐A haplotype of rs3017895‐rs1059122 of the FAM13A gene significantly increased the risk of liver cirrhosis. Conclusion Our findings demonstrated that the high expression of FAM13A may be associated with an increased risk of liver cirrhosis.
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Affiliation(s)
- Yingai Zhang
- Institute of Tropical Agriculture and Forestry, Hainan University, Haikou, China.,Central Laboratory, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou, China
| | - Shunlan Wang
- Central Laboratory, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou, China
| | - Chan Wang
- Central Laboratory, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou, China
| | - Jingchuan Xiao
- Central Laboratory, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou, China
| | - Shufang Zhang
- Central Laboratory, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou, China
| | - Hailong Zhou
- Institute of Tropical Agriculture and Forestry, Hainan University, Haikou, China
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15
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Inchingolo R, Varone F, Sgalla G, Richeldi L. Existing and emerging biomarkers for disease progression in idiopathic pulmonary fibrosis. Expert Rev Respir Med 2018; 13:39-51. [DOI: 10.1080/17476348.2019.1553620] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Riccardo Inchingolo
- Pulmonary Medicine Unit, Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Francesco Varone
- Pulmonary Medicine Unit, Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Giacomo Sgalla
- Pulmonary Medicine Unit, Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Luca Richeldi
- Pulmonary Medicine Unit, Department of Cardiovascular and Thoracic Sciences, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
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16
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Saito S, Lasky JA, Hagiwara K, Kondoh Y. Ethnic differences in idiopathic pulmonary fibrosis: The Japanese perspective. Respir Investig 2018; 56:375-383. [PMID: 30061050 DOI: 10.1016/j.resinv.2018.06.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2017] [Revised: 05/03/2018] [Accepted: 06/12/2018] [Indexed: 01/20/2023]
Abstract
Epidemiologic data suggest that there are ethnic differences between Japanese and other populations with regard to the important clinical aspects of interstitial lung disease (ILD), such as the cause of death and prognostic factors in patients with idiopathic pulmonary fibrosis (IPF). Acute exacerbation (AE) of IPF may be more common in Japan than in the rest of the world, although this suggestion remains controversial. Moreover, AE of ILD induced by gefitinib may also be more common in Japan, indicating that Japanese patients have a genetic vulnerability or susceptibility to AE. Recent large-scale studies are starting to reveal ethnic differences in the genetics of ILD, including the prevalence of the genetic polymorphisms associated with the clinical course of ILD. We anticipate that ongoing and upcoming research regarding ethnic differences will continue to provide valuable insights into the pathogenesis and management of ILD.
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Affiliation(s)
- Shigeki Saito
- Department of Medicine, Section of Pulmonary Diseases, Critical Care and Environmental Medicine, Tulane University Health Science Center, New Orleans, LA, USA.
| | - Joseph A Lasky
- Department of Medicine, Section of Pulmonary Diseases, Critical Care and Environmental Medicine, Tulane University Health Science Center, New Orleans, LA, USA.
| | - Koichi Hagiwara
- Division of Pulmonary Medicine, Department of Medicine, Jichi Medical University, Shimotsuke, Tochigi, Japan.
| | - Yasuhiro Kondoh
- Nagoya University School of Medicine, Department of Respiratory Medicine and Allergy, Tosei General Hospital, 160 Nishioiwake-cho, Seto, Aichi 489-8642, Japan.
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17
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The rs2609255 polymorphism in the FAM13A gene is reproducibly associated with silicosis susceptibility in a Chinese population. Gene 2018; 661:196-201. [DOI: 10.1016/j.gene.2018.03.098] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 03/22/2018] [Accepted: 03/29/2018] [Indexed: 12/21/2022]
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18
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Johnson C, Rosen P, Lloyd T, Horton M, Christopher-Stine L, Oddis CV, Mammen AL, Danoff SK. Exploration of the MUC5B promoter variant and ILD risk in patients with autoimmune myositis. Respir Med 2017; 130:52-54. [PMID: 29206633 DOI: 10.1016/j.rmed.2017.07.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Revised: 06/26/2017] [Accepted: 07/15/2017] [Indexed: 02/02/2023]
Abstract
Interstitial lung disease (ILD) is common in patients with autoimmune myositis but factors that determine susceptibility are unknown. Familial and sporadic idiopathic pulmonary fibrosis (IPF) are strongly associated with a single nucleotide polymorphism in the promoter region of MUC5B (rs35705950). We sought to determine the relationship between MUC5B polymorphism expression and myositis-ILD. The MUC5B minor allele frequency (MAF) was examined in 402 European American participants; 60 with idiopathic interstitial pneumonia (IIP), 208 with myositis-ILD, and 134 unaffected controls. The MUC5B minor allele frequency was 26%, 8%, and 7% in those with non-myositis ILD, myositis-ILD, and unaffected controls, respectively. The MUC5B variant was associated with IIP (OR 4.10; p < 0.001). The MUC5B polymorphism was not significantly associated with myositis-ILD (OR 1.08; p = 0.80)]. We found MUC5B MAFs in our IIP cohort similar to published frequencies for subjects with familial and sporadic IPF. Overall, the MUC5B promoter variant does not appear to contribute to ILD risk in myositis patients.
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Affiliation(s)
- Cheilonda Johnson
- Johns Hopkins University School of Medicine, Division of Pulmonary & Critical Care Medicine, Baltimore, MD, USA
| | - Paul Rosen
- Princeton University, Department of Chemistry, Princeton, NJ, USA
| | - Thomas Lloyd
- Johns Hopkins University School of Medicine, Department of Neurology, Baltimore, MD, USA
| | - Maureen Horton
- Johns Hopkins University School of Medicine, Division of Pulmonary & Critical Care Medicine, Baltimore, MD, USA
| | - Lisa Christopher-Stine
- Johns Hopkins University School of Medicine, Division of Rheumatology, Baltimore, MD, USA
| | - Chester V Oddis
- University of Pittsburgh School of Medicine, Division of Rheumatology and Clinical Immunology, Pittsburgh, PA, USA
| | - Andrew L Mammen
- Johns Hopkins University School of Medicine, Department of Neurology, Baltimore, MD, USA; National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Muscle Disease Unit, Laboratory of Muscle Stem Cells and Gene Expression, Bethesda, MD, USA
| | - Sonye K Danoff
- Johns Hopkins University School of Medicine, Division of Pulmonary & Critical Care Medicine, Baltimore, MD, USA.
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