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Regina da Silva Correa da Ronda C, Berlofa Visacri M, Tiemi Siguemoto J, Motta Neri C, Crispim Lopo de Abreu M, de Souza Nicoletti A, Rotta I, Dagli-Hernandez C, Moriel Pincinato P, de Carvalho Pincinato E, Moriel P. Single-nucleotide polymorphisms related to vitamin D metabolism and severity or mortality of COVID-19: A systematic review and meta-analysis. Gene 2024; 906:148236. [PMID: 38316264 DOI: 10.1016/j.gene.2024.148236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 01/06/2024] [Accepted: 01/30/2024] [Indexed: 02/07/2024]
Abstract
This systematic review and meta-analysis aimed to verify the association between single-nucleotide polymorphisms (SNPs) in vitamin D-related genes and the severity or mortality of coronavirus disease 19 (COVID-19). We systematically searched PubMed, BVS/Bireme, Scopus, Embase, and Web of Science for relevant studies published until November 24, 2023. Twelve studies were included. Thirty-one SNPs related to four genes were studied (VDR, 13 SNPs; GC, 6 SNPs; DHCR7/NADSYN1, 6 SNPs; CYP2R1, 6 SNPs). Eight SNPs were examined in two or more studies (VDR rs731236, rs2228570, rs1544410, rs7975232, rs739837, rs757343, rs11568820, and rs4516035). Meta-analysis showed a significant association between the VDR rs1544410 Bb + bb genotype and b allele and an increased odds of developing severe/critical COVID-19 (Bb + bb vs. BB = 2 studies, OR = 1.73, 95% confidence interval (CI): 1.16-2.57, P = 0.007, I2 = 0%; b allele vs. B allele = 2 studies, OR = 1.31, 95% CI: 1.03-1.67; P = 0.03; I2 = 0%). Regarding the mortality rate, VDR rs731236 TT-genotype, TT + Tt genotype, and T allele; VDR rs1544410 bb-genotype, Bb + bb genotype, and b allele; VDR rs7975232 AA-genotype, AA + Aa genotype, and A allele; and VDR rs2228570 ff-genotype, Ff + ff genotype, and f allele were associated with increased odds of death due to COVID-19. In conclusion, the present study suggests that SNPs rs1544410 may serve as a predictive biomarker for COVID-19 severity and rs731236, rs1544410, rs7975232, and rs2228570 as predictive biomarkers for COVID-19 mortality. More well-designed studies involving a larger number of COVID-19 patients are required to validate and replicate these findings.
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Affiliation(s)
| | - Marília Berlofa Visacri
- University of São Paulo (USP), Faculty of Pharmaceutical Sciences, Department of Pharmacy, São Paulo, SP, Brazil.
| | - Júlia Tiemi Siguemoto
- University of Campinas (UNICAMP), Faculty of Pharmaceutical Sciences, Campinas, SP, Brazil
| | - Carolini Motta Neri
- University of Campinas (UNICAMP), Faculty of Pharmaceutical Sciences, Campinas, SP, Brazil
| | | | - Aline de Souza Nicoletti
- University of Campinas (UNICAMP), School of Medical Sciences, Department of Pharmacology, Campinas, SP, Brazil
| | - Inajara Rotta
- Federal University of Paraná (UFPR), Department of Pharmacy, Curitiba, PR, Brazil
| | | | | | - Eder de Carvalho Pincinato
- University of Campinas (UNICAMP), School of Medical Sciences, Department of Clinical Pathology, Campinas, SP, Brazil
| | - Patricia Moriel
- University of Campinas (UNICAMP), Faculty of Pharmaceutical Sciences, Campinas, SP, Brazil
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Gaydarski L, Sirakov I, Uzunov K, Chervenkov M, Ivanova T, Gergova R, Angushev I, Mirazchiyski G, Landzhov B. A Case-Control Study of the Fokl Polymorphism of the Vitamin D Receptor Gene in Bulgarians With Lumbar Disc Herniation. Cureus 2023; 15:e45628. [PMID: 37868452 PMCID: PMC10588962 DOI: 10.7759/cureus.45628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/20/2023] [Indexed: 10/24/2023] Open
Abstract
BACKGROUND The present study investigates whether vitamin D receptor (VDR) gene polymorphisms play a role in intervertebral disc degeneration (IDD), a common cause of low back pain (LBP) and reduced quality of life. Specifically, we examined the FokI VDR polymorphism and its potential association with lumbar disc herniation (LDH) in patients from Bulgaria. Previous studies have suggested a link between mutations in the VDR gene and IDD. METHODS We investigated whether a potential connection between VDR polymorphisms and LDH was present by comparing the FokI polymorphism of 60 selected patients (25 to 60) with LDH and 60 healthy volunteers within the same age range. We used polymerase chain reaction to assess the phenotype of the examined subjects and statistical tests to evaluate whether the obtained results were statistically significant. RESULTS The performed genetic and statistical analyses reviewed significant differences in genotypic frequencies between the patient group and healthy volunteers. The frequency of the F allele is notably higher in patients with LDH (80%) compared to volunteers (52%), while the f allele is more common among patients (86.6%) than volunteers (100%). CONCLUSION This study strongly suggests that expression of the F allele of the VDR gene may increase the susceptibility of developing LDH, while having the f allele could potentially have a protective effect. Our results shed light on the underlying complex mechanisms contributing to the development of LDH.
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Affiliation(s)
- Lyubomir Gaydarski
- Department of Anatomy, Histology, and Embryology, Medical University of Sofia, Sofia, BGR
| | - Ivo Sirakov
- Department of Medical Microbiology, Medical University of Sofia, Sofia, BGR
| | | | - Mihail Chervenkov
- Department of Cytology and Histology, University of Forestry, Sofia, BGR
- Department of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, Sofia, BGR
| | - Teodora Ivanova
- Department of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, Sofia, BGR
| | - Raina Gergova
- Department of Medical Microbiology, Medical University of Sofia, Sofia, BGR
| | - Ivan Angushev
- Department of Anatomy, Histology, and Embryology, Medical University of Sofia, Sofia, BGR
| | - Georgi Mirazchiyski
- Department of Anatomy, Histology, and Embryology, Medical University of Sofia, Sofia, BGR
| | - Boycho Landzhov
- Department of Anatomy, Histology, and Embryology, Medical University of Sofia, Sofia, BGR
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