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Influence of vitamin D receptor polymorphism rs2228570 on pathological scarring.

ABSTRACT: The physiological process of scarring is a common denominator of interest in a plethora of medical specialties. The molecular basis whereby this process results in pathological scarring for some individuals is poorly understood at present, with clues pointing towards individual predisposition for pathological scarring. Vitamin D and its subsequent pathway plays a key role in skin metabolism and homeostasis, with alterations in the level of vitamin D receptor (VDR) seen within pathological scars. The present study investigated the role of the rs2228570 polymorphism of VDR with regards to scar formation and evolution in a group of 71 female patients recovering from Caesarian section. Blood samples were taken at the time of surgery, and the follow-up was collected remotely at 3 and 6 months after surgery. The rs2228570 polymorphism was investigated using an RFLP-PCR protocol. The results demonstrated that the CC genotype, in combination with the Patient Observer Scar Assessment Scale (POSAS) and SCAR scores are associated with pathological scarring, with more studies being necessary to draw a firm conclusion.

SUBMITTER: Ilies RF

PROVIDER: S-EPMC8987945 | biostudies-literature | 2022 May

REPOSITORIES: biostudies-literature

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Influence of vitamin D receptor polymorphism rs2228570 on pathological scarring.

Ilieș Roxana Flavia RF Aioanei Casian Simon CS Halmagyi Salomea-Ruth SR Cătană Andreea A Lukacs Istvan I Tokes Reka-Eniko RE Rotar Ioana Christina IC Pop Ioan Victor IV

Experimental and therapeutic medicine 20220322 5

The physiological process of scarring is a common denominator of interest in a plethora of medical specialties. The molecular basis whereby this process results in pathological scarring for some individuals is poorly understood at present, with clues pointing towards individual predisposition for pathological scarring. Vitamin D and its subsequent pathway plays a key role in skin metabolism and homeostasis, with alterations in the level of vitamin D receptor (VDR) seen within pathological scars. ...[more]

PMID: 35401803

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Project description:BackgroundThe goal of this study was to determine if vitamin D receptor (VDR) gene polymorphisms underlie susceptibility to dyslipidemia in a Chinese Han population.MethodsThree tag single nucleotide polymorphisms (SNPs) (rs11574129, rs2228570, and rs739837) were genotyped using TaqMan assays to determine VDR SNP associations with dyslipidemia. We genotyped 877 cases of dyslipidemia from a normotensive, non-diabetes mellitus population and 1822 non-dyslipidemia subjects in a stage I study. In a follow-up stage II study, we included a larger sample of 3124 controls and 1679 cases with dyslipidemia. Finally, we explored the potential molecular mechanism for the SNP associations using molecular modeling analysis.ResultsWe found a significant association between SNP rs2228570 and dyslipidemia in the additive (adjusted odds ratio (OR) = 1.255, 95% Confidence Interval (CI) = (1.118-1.409), P < 0.001), dominant (OR = 1.384, 95% CI = 1.384 (1.136-1.6), P = 0.001) and recessive models (OR = 1.356, 95%CI = 1.1-1.671, P = 0.004) in stage I. We further established that the rs2228570 variant was significantly associated with dyslipidemia in the additive (adjusted OR = 1.146, 95% CI = 1.053-1247, P = 0.002), dominant (OR = 1.184, 95%CI =1.018-1.376, P = 0.028) and recessive models (OR = 1.209, 95%CI = 1.064-1.374, P = 0.004) in stage II. The TT genotype was significantly higher (4.93 ± 0.75 mmol/L) compared to the TC (4.67 ± 0.47 mmol/L) or CC (4.66 ± 0.44 mmol/L) genotype (P = 0.01) in cases with elevated low-density lipoprotein cholesterol (LDL-C) levels. In contrast, the cases with the TT genotype had significantly lower serum 25(OH)D levels (18.43 ± 5.04 ng/ mL) compared to the TC (26.24 ± 4.16 ng/mL) and CC (36.76 ± 8.10 ng/ mL) genotypes (P < 0.001). Multivariable linear regression analysis indicated that the rs2228750 genotype significantly correlated with serum low-density lipoprotein-C (LDL-C) levels in cases with dyslipidemia. Using molecular modeling analysis, we further found that the rs2228570 variant changed the structure and the stability of VDR and altered the binding energy of its ligand.ConclusionsThe VDR rs2228570 variant may increase susceptibility to dyslipidemia in the Chinese Han population.

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Influence of vitamin D receptor polymorphism rs2228570 on pathological scarring.

Publications

Influence of vitamin D receptor polymorphism rs2228570 on pathological scarring.

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