Uncovering potential single nucleotide polymorphisms, copy number variations and related signaling pathways in primary Sjogren’s syndrome

Primary Sjogren’s syndrome (pSS) is a complex systemic autoimmune disease, which is difficult to accurately diagnose due to symptom diversity in patients, especially at earlier stages. We tried to find potential single nucleotide polymorphisms (SNPs), copy number variations (CNVs) and related signal...

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Autores principales: Xuan Qi, Xi-Qin Wang, Lu Jin, Li-Xia Gao, Hui-Fang Guo
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Publicado: Taylor & Francis Group 2021
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spelling oai:doaj.org-article:49f9848ab32445fa92d93c0edaac75682021-11-26T11:19:49ZUncovering potential single nucleotide polymorphisms, copy number variations and related signaling pathways in primary Sjogren’s syndrome2165-59792165-598710.1080/21655979.2021.2000245https://doaj.org/article/49f9848ab32445fa92d93c0edaac75682021-12-01T00:00:00Zhttp://dx.doi.org/10.1080/21655979.2021.2000245https://doaj.org/toc/2165-5979https://doaj.org/toc/2165-5987Primary Sjogren’s syndrome (pSS) is a complex systemic autoimmune disease, which is difficult to accurately diagnose due to symptom diversity in patients, especially at earlier stages. We tried to find potential single nucleotide polymorphisms (SNPs), copy number variations (CNVs) and related signaling pathways. Genomic DNA was extracted from peripheral blood of 12 individuals (7 individuals from 3 pSS pedigrees and 5 sporadic cases) for whole-exome sequencing (WES) analysis. SNPs and CNVs were identified, followed by functional annotation of genes with SNPs and CNVs. Gene expression profile (involving 64 normal controls and 166 cases) was downloaded from the Gene Expression Omnibus database (GEO) dataset for differentially expression analysis. Sanger sequencing and in vitro validation was used to validate the identified SNPs and differentially expressed genes, respectively. A total of 5 SNPs were identified in both pedigrees and sporadic cases, such as FES, PPM1J, and TRAPPC9. A total of 3402 and 19 CNVs were identified in pedigrees and sporadic cases, respectively. Fifty-one differentially expressed genes were associated with immunity, such as BATF3, LAP3, BATF2, PARP9, and IL15RA. AMPK signaling pathway and cell adhesion molecules (CAMs) were the most significantly enriched signaling pathways of identified SNPs. Identified CNVs were associated with systemic lupus erythematosus, mineral absorption, and HTLV-I infection. IL2-STAT5 signaling, interferon-gamma response, and interferon-alpha response were significantly enriched immune related signaling pathways of identified differentially expressed genes. In conclusion, our study found some potential SNPs, CNVs, and related signaling pathways, which could be useful in understanding the pathological mechanism of pSS.Xuan QiXi-Qin WangLu JinLi-Xia GaoHui-Fang GuoTaylor & Francis Grouparticleprimary sjogren’s syndromewhole-exome sequencingsingle nucleotide variantscopy number variationssignaling pathwaysanger sequencingin vitro validationBiotechnologyTP248.13-248.65ENBioengineered, Vol 12, Iss 2, Pp 9313-9331 (2021)
institution DOAJ
collection DOAJ
language EN
topic primary sjogren’s syndrome
whole-exome sequencing
single nucleotide variants
copy number variations
signaling pathway
sanger sequencing
in vitro validation
Biotechnology
TP248.13-248.65
spellingShingle primary sjogren’s syndrome
whole-exome sequencing
single nucleotide variants
copy number variations
signaling pathway
sanger sequencing
in vitro validation
Biotechnology
TP248.13-248.65
Xuan Qi
Xi-Qin Wang
Lu Jin
Li-Xia Gao
Hui-Fang Guo
Uncovering potential single nucleotide polymorphisms, copy number variations and related signaling pathways in primary Sjogren’s syndrome
description Primary Sjogren’s syndrome (pSS) is a complex systemic autoimmune disease, which is difficult to accurately diagnose due to symptom diversity in patients, especially at earlier stages. We tried to find potential single nucleotide polymorphisms (SNPs), copy number variations (CNVs) and related signaling pathways. Genomic DNA was extracted from peripheral blood of 12 individuals (7 individuals from 3 pSS pedigrees and 5 sporadic cases) for whole-exome sequencing (WES) analysis. SNPs and CNVs were identified, followed by functional annotation of genes with SNPs and CNVs. Gene expression profile (involving 64 normal controls and 166 cases) was downloaded from the Gene Expression Omnibus database (GEO) dataset for differentially expression analysis. Sanger sequencing and in vitro validation was used to validate the identified SNPs and differentially expressed genes, respectively. A total of 5 SNPs were identified in both pedigrees and sporadic cases, such as FES, PPM1J, and TRAPPC9. A total of 3402 and 19 CNVs were identified in pedigrees and sporadic cases, respectively. Fifty-one differentially expressed genes were associated with immunity, such as BATF3, LAP3, BATF2, PARP9, and IL15RA. AMPK signaling pathway and cell adhesion molecules (CAMs) were the most significantly enriched signaling pathways of identified SNPs. Identified CNVs were associated with systemic lupus erythematosus, mineral absorption, and HTLV-I infection. IL2-STAT5 signaling, interferon-gamma response, and interferon-alpha response were significantly enriched immune related signaling pathways of identified differentially expressed genes. In conclusion, our study found some potential SNPs, CNVs, and related signaling pathways, which could be useful in understanding the pathological mechanism of pSS.
format article
author Xuan Qi
Xi-Qin Wang
Lu Jin
Li-Xia Gao
Hui-Fang Guo
author_facet Xuan Qi
Xi-Qin Wang
Lu Jin
Li-Xia Gao
Hui-Fang Guo
author_sort Xuan Qi
title Uncovering potential single nucleotide polymorphisms, copy number variations and related signaling pathways in primary Sjogren’s syndrome
title_short Uncovering potential single nucleotide polymorphisms, copy number variations and related signaling pathways in primary Sjogren’s syndrome
title_full Uncovering potential single nucleotide polymorphisms, copy number variations and related signaling pathways in primary Sjogren’s syndrome
title_fullStr Uncovering potential single nucleotide polymorphisms, copy number variations and related signaling pathways in primary Sjogren’s syndrome
title_full_unstemmed Uncovering potential single nucleotide polymorphisms, copy number variations and related signaling pathways in primary Sjogren’s syndrome
title_sort uncovering potential single nucleotide polymorphisms, copy number variations and related signaling pathways in primary sjogren’s syndrome
publisher Taylor & Francis Group
publishDate 2021
url https://doaj.org/article/49f9848ab32445fa92d93c0edaac7568
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