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Variants of acan gene associate with severity of lumbar disc degeneration

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dc.contributor.author Perera, G.L.R.S.
dc.contributor.author Wijayaratne, L.S.
dc.contributor.author Senarath, U.
dc.contributor.author Dissanayake, P.H.
dc.contributor.author Karunanayake, A.L.
dc.contributor.author Dissanayake, V.H.W.
dc.date.accessioned 2017-10-16T07:17:22Z
dc.date.available 2017-10-16T07:17:22Z
dc.date.issued 2016
dc.identifier.citation Sri Lanka Medical Association, 129th Anniversary International Medical Congress. 2016: 189 en_US
dc.identifier.issn 0009-0895
dc.identifier.uri http://repository.kln.ac.lk/handle/123456789/17830
dc.description Poster Presentation Abstract (PP 66), 129th Anniversary International Medical Congress, Sri Lanka Medical Association, 25-27 July 2016 Colombo, Sri Lanka en_US
dc.description.abstract INTRODUCTION AND OBJECTIVES: Structural integrity of aggrecan (coded by ACAN gene) plays a major role in lumbar disc degeneration (LDD). Single nucleotide polymorphisms (SNPs) of ACAN gene have been implicated in LDD. The study aimed to determine the associations between SNPs of ACAN gene and the severity of disc space narrowing (DSN) and osteophytes (OS) of lumbar spine in patients with chronic mechanical low back pain (CMLBP). METHOD: A descriptive cross-sectional study was carried out on 120 patients with CMLBP. Lateral lumbar X-rays were assessed for severity of DSN and OS using a semiquantitative scores (grade 0-3). Twenty-seven exonic SNPs of the ACAN gene were genotyped on a Sequenom mass array iPLEX platform. Multiple linear regression analysis was carried out adjusting for age and body mass index. RESULTS: Mean age was 51.46 ± 10.43 years. 82 (68.3%) were females. 30 (25%) were obese. 31 (25.8%) and 47 (39.2%) had grade 1 DSN and AOS respectively, while 42 (35%) and 13 (10.8%) had grade ≥ 2 DSN and AOS, respectively. “A” allele of rs2882676 (regression coefficient (β) = -0.25, p<0.03), “A” allele of rs1042630 (β = -0.28, p<0.01) and “T” allele of rs1042631 (β = -0.28, p<0.02) were negatively associated with the severity of DSN. “T” allele of rs16942341 (β = 0.4, p<0.02) and “G” allele of rs28407189 (β = 0.4, p<0.02) were positively associated with the severity of AOS. CONCLUSION: SNPs of ACAN gene are associated with severity of degenerative changes of the lumbar spine. en_US
dc.language.iso en_US en_US
dc.publisher Sri Lanka Medical Association en_US
dc.subject lumbar disc degeneration en_US
dc.title Variants of acan gene associate with severity of lumbar disc degeneration en_US
dc.type Article en_US


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