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  1. Article ; Online: Vitamin D deficiency and genetic polymorphisms of vitamin D-associated genes in Parkinson's disease.

    Pal, Randrita / Choudhury, Supriyo / Kumar, Hrishikesh / Dey, Sanjit / Das, Nilansu / Basu, Barnali Ray

    The European journal of neuroscience

    2023  Volume 58, Issue 5, Page(s) 3362–3377

    Abstract: Parkinson's disease (PD) and vitamin D share a unique link as vitamin D deficiency (VDD) prevails in PD. Thus, an in-depth understanding of vitamin D biology in PD might be crucial for therapeutic strategies emphasising vitamin D. Specifically, ... ...

    Abstract Parkinson's disease (PD) and vitamin D share a unique link as vitamin D deficiency (VDD) prevails in PD. Thus, an in-depth understanding of vitamin D biology in PD might be crucial for therapeutic strategies emphasising vitamin D. Specifically, explicating the effect of VDD and genetic polymorphisms of vitamin D-associated genes in PD, like VDR (vitamin D receptor) or GC (vitamin D binding protein) may aid the process along with polymorphisms of vitamin D metabolising genes (e.g., CYP2R1 and CYP27A1) in PD. Literature review of single nucleotide polymorphisms (SNPs) related to vitamin D levels [GC (GC1-rs7041 and GC2-rs4588), CYP2R1, CYP24A1 and CYP27B1] and vitamin D function [VDR (FokI - rs2228570 and rs10735810; ApaI - rs7976091, rs7975232BsmI and rs1544410; and TaqI - rs731236)] was conducted to explore their relationship with PD severity globally. VDR-FokI polymorphism was reported to be significantly associated with PD in Hungarian, Chinese and Japanese populations, whereas VDR-ApaI polymorphism was found to affect PD in the Iranian population. However, VDR-TaqI and BsmI polymorphisms had no significant association with PD severity. Conversely, GC1 polymorphisms reportedly affected vitamin D levels without influencing the disease severity. CYP2R1 (excluding rs1993116) was also reportedly linked to clinical manifestations of PD. Genetic polymorphisms might cause VDD despite enough sunlight exposure and vitamin D-rich food intake, enhancing inflammation, there by influencing PD pathophysiology. Knowledge of the polymorphisms associated with VDD appears promising for developing precision vitamin D-dosing therapeutic strategies against PD.
    MeSH term(s) Humans ; Vitamin D/genetics ; Parkinson Disease/genetics ; Iran ; Genetic Predisposition to Disease ; Receptors, Calcitriol/genetics ; Polymorphism, Single Nucleotide ; Vitamin D Deficiency/genetics ; Genotype ; Case-Control Studies
    Chemical Substances Vitamin D (1406-16-2) ; methyl 4-azidophenylacetimidate (73710-32-4) ; Receptors, Calcitriol
    Language English
    Publishing date 2023-07-24
    Publishing country France
    Document type Review ; Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 645180-9
    ISSN 1460-9568 ; 0953-816X
    ISSN (online) 1460-9568
    ISSN 0953-816X
    DOI 10.1111/ejn.16098
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Skin score correlates with global DNA methylation and GSTO1 A140D polymorphism in arsenic-affected population of Eastern India.

    Majumder, Moumita / Dasgupta, Uma B / Guha Mazumder, D N / Das, Nilansu

    Toxicology mechanisms and methods

    2017  Volume 27, Issue 6, Page(s) 467–475

    Abstract: Arsenic is a potent environmental toxicant causing serious public health concerns in India, Bangladesh and other parts of the world. Gene- and promoter-specific hypermethylation has been reported in different arsenic-exposed cell lines, whereas whole ... ...

    Abstract Arsenic is a potent environmental toxicant causing serious public health concerns in India, Bangladesh and other parts of the world. Gene- and promoter-specific hypermethylation has been reported in different arsenic-exposed cell lines, whereas whole genome DNA methylation study suggested genomic hypo- and hypermethylation after arsenic exposure in in vitro and in vivo studies. Along with other characteristic biomarkers, arsenic toxicity leads to typical skin lesions. The present study demonstrates significant correlation between severities of skin manifestations with their whole genome DNA methylation status as well as with a particular polymorphism (Ala 140 Asp) status in arsenic metabolizing enzyme Glutathione S-transferase Omega-1 (GSTO1) in arsenic-exposed population of the district of Nadia, West Bengal, India.
    Language English
    Publishing date 2017-07
    Publishing country England
    Document type Journal Article
    ZDB-ID 2081252-8
    ISSN 1537-6524 ; 1537-6516 ; 1051-7235
    ISSN (online) 1537-6524
    ISSN 1537-6516 ; 1051-7235
    DOI 10.1080/15376516.2017.1323255
    Database MEDical Literature Analysis and Retrieval System OnLINE

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