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Gene testing for osteonecrosis of the femoral head in systemic lupus erythematosus using targeted next-generation sequencing:A pilot study
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作者 Hong-Sheng Sun Qing-Rui Yang +3 位作者 Yan-Yan Bai Nai-Wen Hu Dong-Xia Liu Cheng-Yong Qin 《World Journal of Clinical Cases》 SCIE 2020年第12期2530-2541,共12页
BACKGROUND Previous publications indicated that genetic predisposition might play important roles in the onset of osteonecrosis of the femoral head(ONFH)in systemic lupus erythematosus(SLE).Some gene loci such as comp... BACKGROUND Previous publications indicated that genetic predisposition might play important roles in the onset of osteonecrosis of the femoral head(ONFH)in systemic lupus erythematosus(SLE).Some gene loci such as complement C3d receptor 2(CR2),nitric oxide synthase 3(NOS3),collagen type II alpha 1 chain(COL2A1),protein tyrosine phosphatase non-receptor type 22(PTPN22),and transient receptor potential cation channel subfamily V member 4(TRPV4)were reported to be involved in this process.AIM To investigate whether the risk of ONFH in SLE is associated with single nucleotide variations(SNVs)in these five genes.METHODS SNVs in the CR2,NOS3,COL2A1,PTPN22,and TRPV4 genes were examined by using FastTarget and Illumina Miseq sequencing technologies in 49 cases of SLE with ONFH.Burrows–wheeler aligner was used to align the sequencing reads to hg19,and GATK and Varscan programs were used to perform SNV calling.PolyPhen-2,SIFT,and MutationTaster were used to assess the functional effects of non-synonymous SNVs.RESULTS Six of the 49 patients were confirmed to have low frequency SNVs,including one patient with SNVs in NOS3(exon 6:c.814G>A:p.E272K and exon 7:c.814G>A:p.E272K.),four in COL2A1(rs41263847:exon 29:c.1913C>T:p.T638I,exon 28:c.1706C>T:p.T569I,and rs371445823:exon 8:c.580G>A:p.A194T,exon 7:c.373G>A:p.A125T),and one in CR2(rs45573035:exon 2:c.200C>G:p.T67S).CONCLUSION The onset of ONFH in SLE might be associated with the identified SNVs in NOS3,COL2A1,and CR2. 展开更多
关键词 Single nucleotide variations Osteonecrosis of the femoral head Systemic lupus erythematosus nitric oxide synthase 3 Collagen type II alpha 1 chain Complement C3d receptor 2
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