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Unveiling molecular associations of polymorphic variants of VDR gene (FokI, BsmI and ApaI) in multiple myeloma patients of Indian population.
The Journal of Steroid Biochemistry and Molecular Biology ( IF 4.1 ) Pub Date : 2020-01-28 , DOI: 10.1016/j.jsbmb.2020.105588
Raman Kumar 1 , Himani 2 , Nidhi Gupta 3 , Vishwajeet Singh 4 , Vimal Kumar 3 , Afrozul Haq 5 , Anissa Atif Mirza 2 , Alpana Sharma 3
Affiliation  

Multiple myeloma (MM) is a plasma cell malignancy frequently accompanied with skeletal co-morbidity. Vitamin D (1,25(OH)2D) is an important mediator of skeletal homeostasis that mediates its effect by binding to vitamin D receptor (VDR), a steroid family receptor and modulates various downstream pathways. Multiple polymorphisms have been determined in VDR gene that witnessed significant association with cancer development and progression. Therefore, in this maiden study, we recruited 75 newly diagnosed MM patients and 75 control subjects. 25-hydroxy vitamin D (25(OH)D) levels were measured in all recruited study subjects. Further, PCR-RFLP was performed in DNA samples of recruited study subjects. Results demonstrated significantly decreased 25(OH)D levels in MM patients compared to controls. Additionally, decreased 25(OH)D levels in MM patients inversely associated with disease severity. Further, single nucleotide polymorphism (SNP) analysis of VDR gene showed significantly higher risk of MM disease development in Ff + ff, Aa + aa, and Bb + bb genotypes. Additionally, FokI f, ApaI a and BsmI b alleles were significantly associated with MM occurrence. In conclusion, this study provided initial evidences of association between 25(OH)D insufficiency, VDR gene polymorphism and MM development. Thus, we suggest that a study involving assessment of 25(OH)D levels and VDR gene polymorphism in large patients' cohort might substantiate their role in MM development which would further provide impetus to give 25(OH)D supplementation along with conventional chemotherapeutic agents for myeloma treatment in future.

中文翻译:

印度人群多发性骨髓瘤患者中VDR基因多态性变体(FokI,BsmI和ApaI)的分子关联揭示。

多发性骨髓瘤(MM)是浆细胞恶性肿瘤,经常伴有骨骼合并症。维生素D(1,25(OH)2D)是骨骼稳态的重要介体,它通过与类固醇家族受体维生素D受体(VDR)结合并调节各种下游途径来介导其作用。已在VDR基因中确定了多种多态性,这些多态性与癌症的发生和发展密切相关。因此,在这项首次研究中,我们招募了75名新诊断的MM患者和75名对照受试者。在所有招募的研究对象中测量25-羟基维生素D(25(OH)D)的水平。此外,在招募的研究对象的DNA样品中进行PCR-RFLP。结果表明,与对照组相比,MM患者的25(OH)D水平显着降低。另外,降低MM患者的25(OH)D水平与疾病严重程度成反比。此外,VDR基因的单核苷酸多态性(SNP)分析显示,在Ff + ff,Aa + aa和Bb + bb基因型中,MM疾病发展的风险显着更高。此外,FokIf,ApaIa和BsmIb等位基因与MM发生显着相关。总之,这项研究提供了25(OH)D功能不全,VDR基因多态性与MM发展之间相关性的初步证据。因此,我们建议一项涉及评估大患者队列中25(OH)D水平和VDR基因多态性的研究可能证实其在MM发生中的作用,这将进一步推动与常规化疗药物一起补充25(OH)D用于将来的骨髓瘤治疗。此外,VDR基因的单核苷酸多态性(SNP)分析显示,在Ff + ff,Aa + aa和Bb + bb基因型中,MM疾病发展的风险显着更高。此外,FokIf,ApaIa和BsmIb等位基因与MM发生显着相关。总之,这项研究提供了25(OH)D功能不全,VDR基因多态性与MM形成之间相关性的初步证据。因此,我们建议一项涉及评估大患者队列中25(OH)D水平和VDR基因多态性的研究可能证实其在MM发展中的作用,这将进一步推动与常规化疗药物一起补充25(OH)D用于将来的骨髓瘤治疗。此外,VDR基因的单核苷酸多态性(SNP)分析显示,在Ff + ff,Aa + aa和Bb + bb基因型中,MM疾病发展的风险显着更高。此外,FokIf,ApaIa和BsmIb等位基因与MM发生显着相关。总之,这项研究提供了25(OH)D功能不全,VDR基因多态性与MM形成之间相关性的初步证据。因此,我们建议一项涉及评估大患者队列中25(OH)D水平和VDR基因多态性的研究可能证实其在MM发生中的作用,这将进一步推动与常规化疗药物一起补充25(OH)D用于将来的骨髓瘤治疗。VDR基因的单核苷酸多态性(SNP)分析显示,在Ff + ff,Aa + aa和Bb + bb基因型中,MM患病的风险显着更高。此外,FokIf,ApaIa和BsmIb等位基因与MM发生显着相关。总之,这项研究提供了25(OH)D功能不全,VDR基因多态性与MM形成之间相关性的初步证据。因此,我们建议一项涉及评估大患者队列中25(OH)D水平和VDR基因多态性的研究可能证实其在MM发生中的作用,这将进一步推动与常规化疗药物一起补充25(OH)D用于将来的骨髓瘤治疗。VDR基因的单核苷酸多态性(SNP)分析显示,在Ff + ff,Aa + aa和Bb + bb基因型中,MM患病的风险显着更高。此外,FokIf,ApaIa和BsmIb等位基因与MM发生显着相关。总之,这项研究提供了25(OH)D功能不全,VDR基因多态性与MM形成之间相关性的初步证据。因此,我们建议一项涉及评估大患者队列中25(OH)D水平和VDR基因多态性的研究可能证实其在MM发生中的作用,这将进一步推动与常规化疗药物一起补充25(OH)D用于将来的骨髓瘤治疗。总之,这项研究提供了25(OH)D功能不全,VDR基因多态性与MM形成之间相关性的初步证据。因此,我们建议一项涉及评估大患者队列中25(OH)D水平和VDR基因多态性的研究可能证实其在MM发生中的作用,这将进一步推动与常规化疗药物一起补充25(OH)D用于将来的骨髓瘤治疗。总之,这项研究提供了25(OH)D功能不全,VDR基因多态性与MM形成之间相关性的初步证据。因此,我们建议一项涉及评估大患者队列中25(OH)D水平和VDR基因多态性的研究可能证实其在MM发生中的作用,这将进一步推动与常规化疗药物一起补充25(OH)D用于将来的骨髓瘤治疗。
更新日期:2020-01-29
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