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Tao R, Xiao S, Wang L, Hu C, Suo H, Long R, Liu H, Luo W, Hong F, Zhao J, Li Q. Association between vitamin D receptor gene polymorphisms and susceptibility to tuberculosis: a systematic review and meta-analysis. Front Genet 2024; 15:1382957. [PMID: 39228416 PMCID: PMC11368754 DOI: 10.3389/fgene.2024.1382957] [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] [Received: 03/29/2024] [Accepted: 07/29/2024] [Indexed: 09/05/2024] Open
Abstract
Objective Tuberculosis (TB) is the leading cause of mortality worldwide. Previous studies have reported that TB susceptibility can be caused by vitamin D deficiency, which is affected by polymorphisms in the vitamin D receptor (VDR) gene. However, these results have been inconsistent. Therefore, we performed a meta-analysis to investigate the association between VDR polymorphisms and TB susceptibility. Methods We systematically searched for relevant literature in PubMed, Embase, and Medline databases through December 31st, 2022. Inclusion and exclusion criteria were made to ensure that HIV-negative population is the targeted subjects. The pooled odds ratio (OR) and 95% confidence interval (CI) were then used to assess the strength of the association, and the quality of the included articles was evaluated using the Newcastle-Ottawa Scale. Potential sources of heterogeneity were evaluated based on subgroup and meta-regression analyses. Results In our meta-analysis, we found that the FokI polymorphism in the VDR gene was associated with increased TB susceptibility in the allele and recessive genotype models (OR f vs. F = 1.235, 95%CI: 1.035-1.475; OR ff vs. Ff + FF = 1.317, 95%CI: 1.005-1.727. Further subgroup analysis based on ethnicity demonstrated the association with the risk of TB in all genotype models of the FokI polymorphism for Han population. Meta-regression analysis also indicated that ethnicity could be a potential source of heterogeneity in the FokI and BsmI polymorphisms in the VDR gene. However, publication year was another source of heterogeneity for the TaqI polymorphism. Conclusion In summary, the FokI polymorphism in the VDR gene was found to increase the risk of TB in the HIV-negative population, both overall and in Asian populations. The findings presented in this paper could provide clues for preventing TB from the perspective of vitamin D supplementation, which is a controversial topic in the field of medicine and health.
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Affiliation(s)
- Rongshan Tao
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, School of Public Health, Ministry of Education, Guizhou Medical University, Guiyang, China
| | - Shujuan Xiao
- Xiangya School of Public Health, Central South University, Changsha, China
| | - Lianping Wang
- School of Traditional Chinese Medicine Jilin Agricultural Science and Technology University, Changchun, China
- School of Life Sciences, Jilin University, Jilin, China
| | - Chunjie Hu
- Anorectal Center, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, China
| | - Huiqin Suo
- School of Pharmacy, Changchun University of Traditional Chinese Medicine, Changchun, China
| | - Ruiyu Long
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, School of Public Health, Ministry of Education, Guizhou Medical University, Guiyang, China
| | - Hangyu Liu
- School of Pharmacy, Changchun University of Traditional Chinese Medicine, Changchun, China
| | - Wei Luo
- Office of Infection Control, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, China
| | - Feng Hong
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, School of Public Health, Ministry of Education, Guizhou Medical University, Guiyang, China
| | - Jingming Zhao
- Proctology Department, Affiliated Hospital of Changchun University of Chinese Medicine, Changchun, China
| | - Qingjie Li
- Research Center of Traditional Chinese Medicine, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, China
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Samimi R, Hosseinpanahi A, Zaboli R, Peymani A, Rouhi S, Ahmadi Gooraji S, Rajaei N. Prevalence of Vitamin D Receptor Genes Polymorphisms in People with Pulmonary Tuberculosis: A Systematic Review and Meta-Analysis. Med J Islam Repub Iran 2024; 38:32. [PMID: 38978799 PMCID: PMC11230599 DOI: 10.47176/mjiri.38.32] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Indexed: 07/10/2024] Open
Abstract
Background Polymorphisms in the vitamin D receptor (VDR) play an effective role in the susceptibility of pulmonary tuberculosis (TB). Given the importance of this polymorphism and its association with pulmonary TB, this study aimed to investigate the prevalence of VDR polymorphisms in people with pulmonary TB. Methods The search process was performed from 2009 to 2023 according to PRISMA (Preferred reporting items for systematic reviews and meta-analyses). The strengthening of the reporting of observational studies in epidemiology (STROBE) checklist was used to qualify the articles. The data was entered into STATA version 14 software, then the fixed effects model and the random effects model, effect size (ES), and Q test (P < 0.10) were used for data analysis at a confidence interval level (CI) of 95%. Two-sided statistical tests were considered with α=0.05. Results In this research, 28 articles were analyzed. Polymorphisms showed a significant relationship with susceptibility to pulmonary TB (P = 0.000), and significant heterogeneity (P = 0.000) was seen between polymorphisms. FokI (95% CI: 0.39-0.46, P = 0.000, ES = 43%), ApaI (95% CI: 0.31-0.48, P = 0.000, ES = 39%) and BsmI (95% CI: 0.24-0.50, P = 0.000, ES = 37%) showed the most frequent gene polymorphisms after TaqI (95% CI: 0.34-0.77, P = 0.000, ES = 56%). Conclusion ApaI, BsmI, FokI, and TaqI polymorphisms were found in patients suffering from pulmonary TB. Polymorphisms related to the TaqI gene were the most frequent. Controlling and prescribing vitamin D may be needed in these patients.
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Affiliation(s)
- Rasoul Samimi
- Medical Microbiology Research Center, Qazvin University of Medical Sciences,
Qazvin, Iran
| | - Afra Hosseinpanahi
- Lung Diseases and Allergy Research Center, Research Institute for Health
Development, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Roja Zaboli
- Clinical Research Development Unit of Rouhani Hospital, Babol University of
Medical Sciences, Babol, Iran
| | - Amir Peymani
- Medical Microbiology Research Center, Qazvin University of Medical Sciences,
Qazvin, Iran
| | - Samaneh Rouhi
- Medical Microbiology Research Center, Qazvin University of Medical Sciences,
Qazvin, Iran
| | - Somayeh Ahmadi Gooraji
- Department of Biostatistics, School of Allied Medical Sciences, Shahid Beheshti
University of Medical Sciences, Tehran, Iran
| | - Neda Rajaei
- Clinical Research Development Unit of Rouhani Hospital, Babol University of
Medical Sciences, Babol, Iran
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Sari DK, Dharmajaya R, Sari MI, Masyithah D. Vitamin D Receptor Gene Polymorphism Affecting Vitamin D and Beta Carotene Deficiency in Tuberculosis Patients. Open Access Maced J Med Sci 2022. [DOI: 10.3889/oamjms.2022.9284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND: The working mechanism of Vitamin D in tuberculosis (TB), which is influenced by the work of other vitamins and minerals, remains questionable. This is particularly the case regarding the effect of polymorphism of the Vitamin D receptor (VDR) gene.
AIM: The objective of this research was to examine the differences in serum levels of 25(OH)D, retinol, beta-carotene, and calcium in TB patients compared to healthy people who have VDR gene polymorphisms (TaqI, BsmI, and FokI).
METHODS: This research was a case–control study involving 176 men and women with a pair of VDR gene polymorphisms, consisting of 94 TB patients (TB group) and 82 healthy people (control group) in North Sumatera, Indonesia.
RESULTS: There was a significant difference in Vitamin D levels between the TB and control groups (p = 0.001), with Vitamin D deficiency of 85.1% in the TB group and 100% in the control group. Significant differences were found in retinol levels and beta-carotene, but there were no significant differences in calcium levels (p = 0.619). Based on these results, there was a significant difference between the TBC and normal group in 25(OH)D, retinol, and beta-carotene serum.
CONCLUSION: This study showed that 25(OH)D serum was higher in the TBC group than the control group, but lower in retinol and beta-carotene serum. There is no difference in calcium serum level in both groups.
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Zendehdel A, Arefi M. Molecular evidence of role of vitamin D deficiency in various extraskeletal diseases. J Cell Biochem 2019; 120:8829-8840. [PMID: 30609168 DOI: 10.1002/jcb.28185] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Accepted: 11/12/2018] [Indexed: 12/19/2022]
Abstract
BACKGROUND Role of vitamin D is not only limited to skeletal system but various other systems of the body, such as immune system, endocrine system, and cardiopulmonary system. MATERIALS AND METHODS It is supported by the confirmations of systems-wide expression of vitamin D receptor (VDR), endocrinal effect of calcitriol, and its role in immune responses. RESULTS Expression of VDR in various systems, immunoregulatory and hormonal response of vitamin D and deficiency of vitamin D may establish various pathologies in the body. CONCLUSION This review provides molecular evidence of relation of vitamin D with extra skeletal.
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Affiliation(s)
- Abolfazl Zendehdel
- Department of Geriatric Medicine, Ziaeian Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Arefi
- Department of Clinical Toxicology, School of Medicine, Baharloo Hospital, Tehran University of Medical Sciences, Tehran, Iran
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Wu YJ, Yang X, Chen TD, Zhang ZX, You YZ, Fan ZD. Genetic polymorphisms of exon 1 of MBL2 contribute to tuberculosis risk especially in Asian populations: an updated meta-analysis of 26 studies. Infect Drug Resist 2018; 11:1237-1248. [PMID: 30154670 PMCID: PMC6108403 DOI: 10.2147/idr.s168465] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Background Evidence suggests that genetic variations of exon 1 of mannose-binding lectin 2 (MBL2) may contribute to tuberculosis (TB) risk. Many studies have investigated the association between MBL2 exon 1 polymorphisms (rs1800450, rs1800451, and rs5030737) and TB risk, but yielded inconclusive results. Method We conducted this meta-analysis of 26 eligible case–control studies that included 7952 cases and 9328 controls to identify the strength of association. Odds ratio (OR) and 95% CI were used to evaluate the strength of association. Statistical analyses were performed by using STATA 12.1. Results We found a statistically significant correlation between MBL2 exon 1 polymorphisms and increased TB risk among three models: allele model (O vs A: OR =1.18, 95% CI: 1.01–1.38, Pheterogeneity<0.0001, I2=85.8%), homozygote comparison (OO vs AA: OR =1.49, 95%CI: 1.02–2.18, Pheterogeneity<0.0001, I2=79.1%), dominant model (AO/OO vs AA: OR =1.20, 95% CI: 1.01–1.43, Pheterogeneity<0.0001, I2=83.5%), especially in studies based on Asian populations among five models: allele model (O vs A: OR =1.29, 95% CI: 1.11–1.51, Pheterogeneity<0.0001, I2=66.0%), homozygote comparison (OO vs AA: OR =1.67, 95% CI: 1.09–2.55, Pheterogeneity=0.008, I2=54.2%), heterozygote comparison (AO vs AA: OR =1.26, 95% CI: 1.05–1.50, Pheterogeneity=0.001, I2=62.9%), dominant model (AO/OO vs. AA: OR =1.31, 95% CI: 1.10–1.56, Pheterogeneity=0.001, I2=64.2%), and recessive model (OO vs AO/AA: OR =1.50, 95% CI: 1.01–2.22, Pheterogeneity=0.023, I2=48.0%). Meta-regression results revealed that source of controls (p=0.009), but not ethnicity (p=0.687), genotyping method (p=0.231), and sample size (p=0.451) contributed to the source of heterogeneity. Conclusion This meta-analysis suggests that MBL2 exon 1 polymorphisms may contribute to TB risk, especially in Asian populations.
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Affiliation(s)
- Yu-Jiao Wu
- Department of Pharmacy, The Third People's Hospital, Changzhou, China,
| | - Xin Yang
- Department of Oncology, The Third Affiliated Hospital of Soochow University, Changzhou, China,
| | - Ting-di Chen
- Department of Science and Education, The Third People's Hospital, Changzhou, China
| | - Zhi-Xin Zhang
- Department of Pulmonary Tuberculosis, The Third People's Hospital, Changzhou, China
| | - Yi-Zhong You
- Department of Pharmacy, The Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Zheng-da Fan
- Department of Pharmacy, The Third People's Hospital, Changzhou, China,
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Devi KR, Mukherjee K, Chelleng PK, Kalita S, Das U, Narain K. Association of VDR gene polymorphisms and 22 bp deletions in the promoter region of TLR2Δ22 (-196-174) with increased risk of pulmonary tuberculosis: A case-control study in tea garden communities of Assam. J Clin Lab Anal 2018; 32:e22562. [PMID: 29727015 DOI: 10.1002/jcla.22562] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 04/09/2018] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND A high number of pulmonary tuberculosis (PTB) cases have been reported from tea garden communities of Assam. Till date, no molecular epidemiological study was performed to investigate the association of candidate gene(s) with the risk PTB in this region. The present case-control study was aimed to investigate the association of vitamin D receptor (VDR) gene polymorphisms and 22 bp deletion in the promoter region of toll-like receptor 2 (TLR2) gene with the risk of PTB in tea garden communities of Assam. METHODS Genotyping of VDR polymorphisms and TLR2Δ22 (-196-174) gene was carried out for 169 PTB cases and 227 apparently healthy community controls using blood samples by PCR-RFLP followed by DNA sequencing. For association study, both univariate and multivariate logistic regression analyses were performed. RESULTS This study has shown that BsmI and FokI polymorphisms of VDR gene significantly associated with an increased risk of PTB (AOR = 3.58, 95% CI = 1.64-7.80, P < .01 for B/b genotype of BsmI and AOR = 2.44, 95% CI = 1.40-4.24, P < .01 for F/f genotype of FokI polymorphism). No significant association of TaqI and ApaI polymorphism of VDR gene was found with the risk of PTB. Moreover, this study has revealed that person carrying deletion allele in their TLR2Δ22 (-196-174) gene is significantly associated with an increased risk of PTB having b/b or F/f genotypes in BsmI or FokI polymorphisms of VDR gene. CONCLUSION This study has revealed that BsmI and FokI polymorphisms of VDR gene significantly associated with an increased risk of PTB.
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Affiliation(s)
| | | | | | - Simanta Kalita
- ICMR-Regional Medical Research Centre, Dibrugarh, Assam, India
| | - Upasana Das
- ICMR-Regional Medical Research Centre, Dibrugarh, Assam, India
| | - Kanwar Narain
- ICMR-Regional Medical Research Centre, Dibrugarh, Assam, India
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A reappraised meta-analysis of the genetic association between vitamin D receptor BsmI (rs1544410) polymorphism and pulmonary tuberculosis risk. Biosci Rep 2017; 37:BSR20170247. [PMID: 28533426 PMCID: PMC5463263 DOI: 10.1042/bsr20170247] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 05/19/2017] [Accepted: 05/22/2017] [Indexed: 01/11/2023] Open
Abstract
BsmI (rs1544410) polymorphism located in intron 8 at the 3′-end of the vitamin D receptor (VDR) gene is known to be involved in the regulation of mRNA stability. Many studies evaluated the possible correlation between VDR BsmI polymorphism and the risk of pulmonary tuberculosis (PTB), and reported conflicting results. In the present study, an updated meta-analysis was performed to evaluate the above-said association. PubMed, Embase, and Google Scholar web-databases were searched for the relevant studies and a meta-analysis was performed by calculating pooled odds ratios (ORs) and 95% confidence intervals (95% CIs) for all the genetic models. A total of 19 studies comprising 3644 controls and 2635 cases were included in the present study. Overall no association of PTB in allelic contrast (b compared with B: P=0.285; OR =0.909, 95% CI =0.762–1.083), homozygous (bb compared with BB: P=0.881; OR =0.975, 95% CI =0.700–1.359), heterozygous (bB compared with BB: P=0.834; OR =1.017, 95% CI =0.872–1.185), dominant (bb compared with BB + Bb: P=0.451; OR =0.954, 95% CI =0.843–1.079) and recessive (bb + Bb compared with BB: P=0.983; OR =1.002, 95% CI =0.868–1.156) genetic models in comparison with wild-type allele and genotype BB were observed. However, variant allele (b compared with B: P=0.001; OR =2.289, 95% CI =1.661–3.154) showed increased risk of PTB in Asians. In conclusion, VDR BsmI polymorphism is not a risk factor for PTB in overall population. However, this polymorphism may be interrelated to an increased risk of PTB amongst Asians.
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8
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Do HLA class II genes protect against pulmonary tuberculosis? A systematic review and meta-analysis. Eur J Clin Microbiol Infect Dis 2016; 35:1567-80. [DOI: 10.1007/s10096-016-2713-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Accepted: 06/17/2016] [Indexed: 01/25/2023]
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9
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A meta-analysis of P2X7 gene-1513A/C polymorphism and pulmonary tuberculosis susceptibility. Hum Immunol 2016; 77:126-130. [DOI: 10.1016/j.humimm.2015.11.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2014] [Revised: 11/07/2015] [Accepted: 11/12/2015] [Indexed: 11/24/2022]
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Single Nucleotide Polymorphisms in P2X7 Gene Are Associated with Serum Immunoglobulin G Responses to Mycobacterium tuberculosis in Tuberculosis Patients. DISEASE MARKERS 2015; 2015:671272. [PMID: 26798189 PMCID: PMC4698936 DOI: 10.1155/2015/671272] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2015] [Revised: 10/14/2015] [Accepted: 10/18/2015] [Indexed: 01/12/2023]
Abstract
Objective. Our study investigated the association between single nucleotide polymorphisms (SNPs) in P2X7 gene and serum immunoglobulin G (IgG) responses to mycobacterium tuberculosis (MTB) in TB patients. Methods. A total of 103 TB patients were enrolled as case group and 87 healthy individuals at same geographical region as control group. The SNP detection of 1513A>C and -762T>C was performed using PCR-RFLP, and the levels of serum IgG responses to MTB in all subjects were determined. Results. AC and CC of 1513A>C and TC and CC of -762T>C had higher frequencies in case group than in control group. TB patients carrying TC and CC of -762T>C had higher positive rate of IgG responses to MTB than those carrying TT. Additionally, patients carrying TC and CC of -762T>C had more MTB in sputum than those carrying TT. Conclusion. P2X7 SNPs, 1513A>C and -762T>C, may be associated with the susceptibility to tuberculosis, and -762T>C SNP may contribute to the development of MTB. The mutant genotype of -762T>C (TC and CC) may lower human capability of phagocytosis to MTB, leading to an increased morbidity of TB.
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NRAMP1 and VDR Gene Polymorphisms in Susceptibility to Tuberculosis in Venezuelan Population. DISEASE MARKERS 2015; 2015:860628. [PMID: 26578819 PMCID: PMC4633561 DOI: 10.1155/2015/860628] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/05/2015] [Accepted: 09/17/2015] [Indexed: 01/09/2023]
Abstract
Natural resistance-associated macrophage protein (Nramp1) and the vitamin D receptor (VDR) are central components of the innate and adaptive immunity against Mycobacterium tuberculosis, and associations between susceptibility to tuberculosis and polymorphisms in the genes NRAMP and VDR have been sought in geographically diverse populations. We investigated associations of NRAMP1 and VDR gene polymorphisms with susceptibility to TB in the Venezuelan population. The results suggest the absence of any association between VDR variants FokI, ApaI, and TaqI and susceptibility to tuberculosis. In contrast, the NRAMP1 3'UTR variants were associated with susceptibility to M. tuberculosis infection, as seen in the comparisons between TST+ and TST- controls, and also with progression to TB disease, as shown in the comparisons between TB patients and TST+ controls. This study confirms the previously described association of the NRAMP1 3'UTR polymorphism with M. tuberculosis infection and disease progression.
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Sutaria N, Liu CT, Chen TC. Vitamin D Status, Receptor Gene Polymorphisms, and Supplementation on Tuberculosis: A Systematic Review of Case-Control Studies and Randomized Controlled Trials. JOURNAL OF CLINICAL AND TRANSLATIONAL ENDOCRINOLOGY 2014; 1:151-160. [PMID: 25599020 PMCID: PMC4295520 DOI: 10.1016/j.jcte.2014.08.001] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
OBJECTIVE To investigate the impacts of vitamin D status, supplementation and vitamin D receptor (VDR) gene polymorphisms on tuberculosis (TB). METHODS We conducted a systematic review of published studies pertaining to case-control and randomized-control trials from 2002 to 2014 using the PubMed database. RESULTS AND CONCLUSION Individuals with TB have lower vitamin D status than healthy individuals. Some VDR gene polymorphisms are associated with increased susceptibility to TB while others may not. Supplementation with vitamin D leads to improved clinical outcomes. However, further studies with a larger patient population and different ethnicities are needed to confirm these effects.
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Affiliation(s)
- Nilay Sutaria
- Boston University School of Medicine, Boston MA 02118 USA
| | - Ching-Ti Liu
- Department of Biostatistics, Boston University School of Public Health, Boston MA 02118 USA
| | - Tai C Chen
- Clinical Translational Science Institute, and Department of Medicine, Boston University School of Medicine, Boston MA 02118 USA
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Zhu L, Zhao Q, Yang T, Ding W, Zhao Y. Cellular metabolism and macrophage functional polarization. Int Rev Immunol 2014; 34:82-100. [PMID: 25340307 DOI: 10.3109/08830185.2014.969421] [Citation(s) in RCA: 263] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Macrophages are a functionally heterogeneous cell population that is mainly shaped by a variety of microenvironmental stimuli. Interferon γ (IFN-γ), interleukin-1β (IL-1β), and lipopolysaccharide (LPS) induce a classical activation of macrophages (M1), whereas IL-4 and IL-13 induce an alternative activation program in macrophages (M2). Reprogramming of intracellular metabolisms is required for the proper polarization and functions of activated macrophages. Similar to the Warburg effect observed in tumor cells, M1 macrophages increase glucose consumption and lactate release and decreased oxygen consumption rate. In comparison, M2 macrophages mainly employ oxidative glucose metabolism pathways. In addition, fatty acids, vitamins, and iron metabolisms are also related to macrophage polarization. However, detailed metabolic pathways involved in macrophages have remained elusive. Understanding the bidirectional interactions between cellular metabolism and macrophage functions in physiological and pathological situations and the regulatory pathways involved may offer novel therapies for macrophage-associated diseases.
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Affiliation(s)
- Linnan Zhu
- 1Transplantation Biology Research Division, State Key Laboratory of Biomembrane and Membrane Biotechnology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
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14
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Kearns MD, Tangpricha V. The role of vitamin D in tuberculosis. JOURNAL OF CLINICAL AND TRANSLATIONAL ENDOCRINOLOGY 2014; 1:167-169. [PMID: 29159097 PMCID: PMC5684962 DOI: 10.1016/j.jcte.2014.08.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Malcolm D Kearns
- Division of Endocrinology, Metabolism and Lipids, Emory University School of Medicine, Atlanta, GA, USA
| | - Vin Tangpricha
- Division of Endocrinology, Metabolism and Lipids, Emory University School of Medicine, Atlanta, GA, USA
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Bragina EY, Tiys ES, Freidin MB, Koneva LA, Demenkov PS, Ivanisenko VA, Kolchanov NA, Puzyrev VP. Insights into pathophysiology of dystropy through the analysis of gene networks: an example of bronchial asthma and tuberculosis. Immunogenetics 2014; 66:457-65. [PMID: 24954693 DOI: 10.1007/s00251-014-0786-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2013] [Accepted: 06/12/2014] [Indexed: 01/18/2023]
Abstract
Co-existence of bronchial asthma (BA) and tuberculosis (TB) is extremely uncommon (dystropic). We assume that this is caused by the interplay between genes involved into specific pathophysiological pathways that arrest simultaneous manifestation of BA and TB. Identification of common and specific genes may be important to determine the molecular genetic mechanisms leading to rare co-occurrence of these diseases and may contribute to the identification of susceptibility genes for each of these dystropic diseases. To address the issue, we propose a new methodological strategy that is based on reconstruction of associative networks that represent molecular relationships between proteins/genes associated with BA and TB, thus facilitating a better understanding of the biological context of antagonistic relationships between the diseases. The results of our study revealed a number of proteins/genes important for the development of both BA and TB.
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Affiliation(s)
- Elena Yu Bragina
- Laboratory of Population Genetics, Research Institute of Medical Genetics, Siberian Branch of Russian Academy of Medical Sciences, Nabereznaya Ushaiki str. 10, Tomsk, Russian Federation, 634050,
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A meta-analysis of P2X7 gene-762T/C polymorphism and pulmonary tuberculosis susceptibility. PLoS One 2014; 9:e96359. [PMID: 24810548 PMCID: PMC4014486 DOI: 10.1371/journal.pone.0096359] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2013] [Accepted: 04/05/2014] [Indexed: 12/28/2022] Open
Abstract
AIM We performed a comprehensive meta-analysis to determine the association between P2X7 -762T/C polymorphism and pulmonary tuberculosis susceptibility. METHODOLOGY Based on comprehensive searches of the PubMed, SCI, Elsevier, China National Knowledge Infrastructure (CNKI) and Wanfang Database, we identified eligible studies about the association between P2X7 -762T/C polymorphism and pulmonary tuberculosis risk. Pooled odds ratio (ORs) and 95% confidence intervals (95%CIs) were calculated in random-effects model. RESULTS A total of 2207 tuberculosis cases and 2220 controls in 8 case-control studies were included in this meta-analysis. Allele model (C vs. T: p = 0.15; OR = 0.83, 95% CI = 0.65-1.07), homozygous model (CC vs. TT: p = 0.23; OR = 0.73, 95% CI = 0.44 to 1.22), and heterozygous model (CT vs. TT: p = 0.57; OR = 0.92, 95% CI = 0.68 to 1.24) did not show increased risk of developing pulmonary tuberculosis. Similarly, dominant model (CC+CT vs. TT: p = 0.32; OR = 0.84, 95% CI = 0.59 to 1.19) and recessive model (CC vs. CT+TT: p = 0.08; OR = 0.77, 95% CI = 0.57 to 1.04) failed to show increased risk of developing pulmonary tuberculosis. Subgroup analysis by ethnicity did not detect any significant association between P2X7-762T/C polymorphism and pulmonary tuberculosis susceptibility. CONCLUSIONS P2X7 -762T/C gene polymorphism is not associated with pulmonary tuberculosis susceptibility.
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