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Rodríguez F, Godoy MJ, Ortiz E, Benítez-Filselcker A, López MT, Cassorla F, Castro A. CAG and GGN repeat polymorphisms in the androgen receptor gene of a Chilean pediatric cohort with idiopathic inguinal cryptorchidism. Andrology 2024; 12:289-296. [PMID: 37377277 DOI: 10.1111/andr.13487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 06/02/2023] [Accepted: 06/22/2023] [Indexed: 06/29/2023]
Abstract
BACKGROUND Cryptorchidism is one of the most common congenital disorders in boys and it is associated with a higher risk of sub-fertility and testicular cancer. Testicular descent occurs during embryo-fetal development in two phases, transabdominal and inguino-scrotal. In the latter process, androgens play a leading role. The androgen receptor has in its N-terminal domain, two aminoacidic repeats encoded by polymorphic nucleotide repetitions: (CAG)nCAA and GGN. The number of repetitions of these trinucleotides has been associated with different transactivation capacities and sensitivities of the androgen receptor response. OBJECTIVE To determine whether pediatric Chilean individuals with idiopathic inguinal cryptorchidism have a different number of CAG and/or GGN repeats polymorphisms compared with controls. MATERIALS AND METHODS A total of 109 cases with idiopathic inguinal cryptorchidism (26 bilateral and 83 unilateral) were studied by polymerase chain reaction amplification from DNA extracted from peripheral blood, followed by fragment size analysis by capillary electrophoresis, which were compared with 140 controls. RESULTS The CAG26 repeats allele was increased in the total cases (8.3% vs. 1.4%; p = 0.012; odds ratio = 6.21, 95% confidence interval 1.31-29.4), and in bilateral cases compared to controls (11.5% vs. 1.4%; p = 0.028; odds ratio = 9 CI 95% 1.43-56.8). Similarly, CAG > 22 alleles were increased in the total cases (62.4% vs. 49.3%, p = 0.041), and more significantly in bilateral cases (73.1% vs. 49.3%; p = 0.032; odds ratio = 2.79, 95% confidence interval 1.1-7.1). In addition, CAG < 18 alleles were not observed among cases, but were present in 5.7% of controls (p = 0.01). Regarding the GGN repeats, no differences were observed between cases and controls either when analyzing separately unilateral and bilateral cryptorchidism. The joint analysis of the distribution of CAG and GGN alleles showed that the CAG26 allele was present with GGN23, hence the combination CAG26/GGN23 alleles was equally increased in bilateral cases compared with controls (11.5% vs. 1.4%). In contrast, CAG < 18 was preferably observed in the combination CAG < 18/GGN≠23 and was absent in the total cases (4.3% vs. 0%; p = 0.037). DISCUSSION These results suggest that greater lengths of CAG alleles may contribute to a diminished androgen receptor function. The CAG26 allele alone or in combination with GGN23 was associated with a higher risk of bilateral cryptorchidism. On the other hand, CAG < 18 and the CAG < 18/GGN≠23 allele combination may reduce the probability of cryptorchidism.
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Affiliation(s)
- Fernando Rodríguez
- Institute of Maternal and Child Research, School of Medicine, University of Chile Santiago, Santiago, Chile
| | - María José Godoy
- Institute of Maternal and Child Research, School of Medicine, University of Chile Santiago, Santiago, Chile
| | - Eliana Ortiz
- Institute of Maternal and Child Research, School of Medicine, University of Chile Santiago, Santiago, Chile
| | - Andrés Benítez-Filselcker
- Institute of Maternal and Child Research, School of Medicine, University of Chile Santiago, Santiago, Chile
| | - María Teresa López
- Pediatric Urology Department, San Borja Arriarán Clinical Hospital, Santiago, Chile
| | - Fernando Cassorla
- Institute of Maternal and Child Research, School of Medicine, University of Chile Santiago, Santiago, Chile
| | - Andrea Castro
- Institute of Maternal and Child Research, School of Medicine, University of Chile Santiago, Santiago, Chile
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Osadchuk LV, Osadchuk AV. Role of CAG and GGC Polymorphism of the Androgen Receptor Gene in Male Fertility. RUSS J GENET+ 2022. [DOI: 10.1134/s1022795422020119] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Ausmees L, Talts M, Allik J, Vainik U, Sikka TT, Nikopensius T, Esko T, Realo A. Taking risks to feel excitement: Detailed personality profile and genetic associations. EUROPEAN JOURNAL OF PERSONALITY 2021. [DOI: 10.1177/08902070211019242] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
This study mapped the personality and genetics of risky excitement-seekers focusing on skydiving behavior. We compared 298 skydivers to 298 demographically matched controls across the NEO Personality Inventory-3 domains, facets, and 240 items. The most significant item-level effects were aggregated into a poly-item score of skydiving-associated personality markers (Study 1), where higher scores describe individuals who enjoy risky situations but have no self-control issues. The skydiving-associated personality marker score was associated with greater physical activity, higher rate of traumatic injuries, and better mental health in a sample of 3558 adults (Study 2). From genetic perspective, we associated skydiving behavior with 19 candidate variants that have previously been linked to excitement-seeking (Study 1). Polymorphisms in the SERT gene were the strongest predictors of skydiving, but the false discovery rate-adjusted (FDR-adjusted) p-values were non-significant. In Study 2, we predicted the skydiving-associated personality marker score and E5: Excitement-seeking from multiple risk-taking polygenic scores, using publicly available summary data from genome-wide association studies. While E5: Excitement-seeking was most strongly predicted by general risk tolerance and risky behaviors’ polygenic scores, the skydiving-associated personality marker score was most strongly associated with the adventurousness polygenic scores. Phenotypic and polygenic scores associations suggest that skydiving is a specific—perhaps more functional—form of excitement-seeking, which may nevertheless lead to physical injuries.
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Affiliation(s)
- Liisi Ausmees
- Institute of Psychology, University of Tartu, Estonia
| | - Maie Talts
- Institute of Psychology, University of Tartu, Estonia
| | - Jüri Allik
- Institute of Psychology, University of Tartu, Estonia
- Estonian Academy of Sciences, Estonia
| | - Uku Vainik
- Institute of Psychology, University of Tartu, Estonia
- Montreal Neurological Institute, McGill University, Canada
| | | | | | - Tõnu Esko
- Institute of Genomics, University of Tartu, Estonia
| | - Anu Realo
- Institute of Psychology, University of Tartu, Estonia
- Department of Psychology, University of Warwick, UK
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Jiang W, Shi L, Liu H, Cao J, Zhu P, Zhang J, Yu M, Guo Y, Cui Y, Xia X. Systematic review and meta-analysis of the genetic association between protamine polymorphism and male infertility. Andrologia 2018. [PMID: 29537099 DOI: 10.1111/and.12990] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
While several previous studies have proposed an association between male infertility and protamine polymorphism, the reported findings have shown some inconsistency. To evaluate the potential association between the two most common single nucleotide polymorphisms (rs2301365 and rs1646022) in protamine and male infertility, we performed a meta-analysis involving 2713 cases and 2086 controls from 15 published case-controlled studies. Overall, our analysis showed significant associations between the specific protamine single-nucleotide polymorphism (rs2301365) and male infertility, and this association was indicated by all of the models we tested. Subgroup analysis revealed significant associations with a Caucasian background, PCR sequence, population-based, case size of > 150 and case size of < 150 subgroups. Similarly, significant associations were found between rs1646022 and male infertility in the hospital population and case size of < 200 subgroups. However, trial sequential analysis showed that the number of patients in the study did not reach optimal information size. Further studies with larger sample sizes are now warranted to clarify the potential roles of the two protamine polymorphisms in the pathogenesis of male infertility. This may help us to understand the precise molecular mechanisms underlying the effect of protamines upon male infertility.
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Affiliation(s)
- W Jiang
- Department of Reproduction and Genetics, Institute of Laboratory Medicine, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - L Shi
- Department of Andrology, Drum Tower Hospital Affiliated to Nanjing University School of Medicine, Nanjing, China
| | - H Liu
- Department of Clinical Laboratory, The First People' Hospital of Lianyungang, Lianyungang, China
| | - J Cao
- Department of Reproduction and Genetics, Institute of Laboratory Medicine, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - P Zhu
- Department of Reproduction and Genetics, Institute of Laboratory Medicine, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - J Zhang
- Department of Reproduction and Genetics, Institute of Laboratory Medicine, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - M Yu
- Department of Reproduction and Genetics, Institute of Laboratory Medicine, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Y Guo
- Department of Reproduction and Genetics, Institute of Laboratory Medicine, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Y Cui
- Department of Reproduction and Genetics, Institute of Laboratory Medicine, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - X Xia
- Department of Reproduction and Genetics, Institute of Laboratory Medicine, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
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James WH, Grech V. Can sex ratios at birth be used in the assessment of public health, and in the identification of causes of selected pathologies? Early Hum Dev 2018; 118:15-21. [PMID: 29428574 DOI: 10.1016/j.earlhumdev.2018.02.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 12/31/2017] [Accepted: 02/06/2018] [Indexed: 02/09/2023]
Abstract
This paper will consist of two parts. In the first, further support is given to the proposal that offspring sex ratios (proportions male) may usefully be regarded as indicators of public health. In the second, it is shown that sex ratios may help in the identification of the causes and effects of several pathologies that seriously impinge on public health viz. autism, testicular cancer, hepatitis B and toxoplasmosis.
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Affiliation(s)
- William H James
- Galton Laboratory, Department of Genetics, Evolution and Environment, University College London, London WC1E 6HH, UK
| | - Victor Grech
- Victor Grech, Academic Department of Paediatrics, University of Malta Medical School, Msida, Malta.
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Metzler VM, de Brot S, Robinson RS, Jeyapalan JN, Rakha E, Walton T, Gardner DS, Lund EF, Whitchurch J, Haigh D, Lochray JM, Robinson BD, Allegrucci C, Fray RG, Persson JL, Ødum N, Miftakhova RR, Rizvanov AA, Hughes IA, Tadokoro-Cuccaro R, Heery DM, Rutland CS, Mongan NP. Androgen dependent mechanisms of pro-angiogenic networks in placental and tumor development. Placenta 2017; 56:79-85. [PMID: 28238455 DOI: 10.1016/j.placenta.2017.02.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 02/14/2017] [Accepted: 02/15/2017] [Indexed: 11/25/2022]
Abstract
The placenta and tumors share important characteristics, including a requirement to establish effective angiogenesis. In the case of the placenta, optimal angiogenesis is required to sustain the blood flow required to maintain a successful pregnancy, whereas in tumors establishing new blood supplies is considered a key step in supporting metastases. Therefore the development of novel angiogenesis inhibitors has been an area of active research in oncology. A subset of the molecular processes regulating angiogenesis are well understood in the context of both early placentation and tumorigenesis. In this review we focus on the well-established role of androgen regulation of angiogenesis in cancer and relate these mechanisms to placental angiogenesis. The physiological actions of androgens are mediated by the androgen receptor (AR), a ligand dependent transcription factor. Androgens and the AR are essential for normal male embryonic development, puberty and lifelong health. Defects in androgen signalling are associated with a diverse range of clinical disorders in men and women including disorders of sex development (DSD), polycystic ovary syndrome in women and many cancers. We summarize the diverse molecular mechanisms of androgen regulation of angiogenesis and infer the potential significance of these pathways to normal and pathogenic placental function. Finally, we offer potential research applications of androgen-targeting molecules developed to treat cancer as investigative tools to help further delineate the role of androgen signalling in placental function and maternal and offspring health in animal models.
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Affiliation(s)
- Veronika M Metzler
- Faculty of Medicine and Health Sciences, School of Veterinary Medicine and Health Sciences, University of Nottingham, LE12 5RD, UK
| | - Simone de Brot
- Faculty of Medicine and Health Sciences, School of Veterinary Medicine and Health Sciences, University of Nottingham, LE12 5RD, UK
| | - Robert S Robinson
- Faculty of Medicine and Health Sciences, School of Veterinary Medicine and Health Sciences, University of Nottingham, LE12 5RD, UK
| | - Jennie N Jeyapalan
- Faculty of Medicine and Health Sciences, School of Veterinary Medicine and Health Sciences, University of Nottingham, LE12 5RD, UK
| | - Emad Rakha
- School of Medicine and Sciences, University of Nottingham, Nottingham City Hospital, NG5 1PB, UK
| | - Thomas Walton
- Department of Urology, Nottingham University Hospitals NHS Trust, NG5 1PB, UK
| | - David S Gardner
- Faculty of Medicine and Health Sciences, School of Veterinary Medicine and Health Sciences, University of Nottingham, LE12 5RD, UK
| | - Emma F Lund
- Faculty of Medicine and Health Sciences, School of Veterinary Medicine and Health Sciences, University of Nottingham, LE12 5RD, UK
| | | | - Daisy Haigh
- Faculty of Medicine and Health Sciences, School of Veterinary Medicine and Health Sciences, University of Nottingham, LE12 5RD, UK
| | - Jack M Lochray
- Faculty of Medicine and Health Sciences, School of Veterinary Medicine and Health Sciences, University of Nottingham, LE12 5RD, UK
| | - Brian D Robinson
- Department of Pathology, Weill Cornell Medicine, New York 10065, USA
| | - Cinzia Allegrucci
- Faculty of Medicine and Health Sciences, School of Veterinary Medicine and Health Sciences, University of Nottingham, LE12 5RD, UK
| | - Rupert G Fray
- School of Biosciences, University of Nottingham, LE12 5RD, UK
| | - Jenny L Persson
- Department of Translational Medicine, Lund University, Malmö, Sweden; Department of Molecular Biology, Umeå University, Sweden
| | - Niels Ødum
- Department of Immunology and Microbiology, University of Copenhagen, Denmark
| | - Regina R Miftakhova
- Department of Molecular Biology, Umeå University, Sweden; Kazan Federal University, Kazan, Republic of Tatarstan 420008, Russian Federation
| | - Albert A Rizvanov
- Kazan Federal University, Kazan, Republic of Tatarstan 420008, Russian Federation
| | - Ieuan A Hughes
- Department of Paediatrics, University of Cambridge, Hills Rd, Cambridge CB2 0QQ, UK
| | | | - David M Heery
- School of Pharmacy, University of Nottingham, NG7 2TQ, UK
| | - Catrin S Rutland
- Faculty of Medicine and Health Sciences, School of Veterinary Medicine and Health Sciences, University of Nottingham, LE12 5RD, UK.
| | - Nigel P Mongan
- Faculty of Medicine and Health Sciences, School of Veterinary Medicine and Health Sciences, University of Nottingham, LE12 5RD, UK; Department of Pharmacology, Weill Cornell Medicine, New York 10065, USA.
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Cauci S, Chiriacò G, Cecchin E, Toffoli G, Xodo S, Stinco G, Trombetta C. Androgen Receptor (AR) Gene (CAG)n and (GGN)n Length Polymorphisms and Symptoms in Young Males With Long-Lasting Adverse Effects After Finasteride Use Against Androgenic Alopecia. Sex Med 2016; 5:e61-e71. [PMID: 28024997 PMCID: PMC5302381 DOI: 10.1016/j.esxm.2016.11.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Revised: 10/26/2016] [Accepted: 11/10/2016] [Indexed: 01/01/2023] Open
Abstract
Introduction Long-term adverse symptoms of men who used oral finasteride against androgenic alopecia have been recently described as post-finasteride syndrome (PFS). Aim To determine whether (CAG)n-rs4045402 and (GGN)n-rs3138869 polymorphisms in the androgen receptor (AR) gene are implicated in PFS. Methods AR polymorphisms were studied according to PFS symptoms in 66 white participants (31.8% Italian, 28.8% American, and 39.4% other). Main Outcome Measures Symptoms were investigated by an ad hoc 100-item questionnaire and the Arizona Sexual Experience Scale and Aging Male Symptom Scale (AMS). (CAG)n and (GGN)n repeats were categorized as short ([CAG]9–19, [GGN]<23), medium ([CAG]20–24, [GGN]23), or long ([CAG]25–37, [GGN]>23). Results Median age was 32 years, duration of finasteride use was 360 days, and time from finasteride discontinuation was 1,053 days. We observed several frequency differences in symptoms according to (CAG)n and (GGN)n repeat numbers. Three AMS items were worse for medium (GGN)23 than for long (GGN)>23 carriers and one item was worse for short (GGN)<23 carriers. The AMS item for decrease in sexual desire or libido was worse for short (CAG)9–19 carriers than for medium (CAG)20–24 carriers. Through the ad hoc questionnaire, significant findings in (CAG)n and/or (GGN)n repeats were obtained for penile discomfort, loss of scrotal sensitivity, scrotal discomfort, less pubic hair, loss of perceived perineal fullness, increased sperm density, involuntary muscle spasms, loss of muscle tone, increased weight (>2 kg), increased skin dryness, and onset of symptoms after finasteride use. Conclusion This study showed that short and/or long (CAG)n and (GGN)n repeats had different frequencies according to symptoms reported by patients with PFS, likely reflecting the vast array of genes modulated by the AR. This study showed a U-curvilinear profile of (CAG)n repeats for skin dryness symptoms, where the two extremes exhibited a worse condition than medium repeats. Further studies are necessary to investigate the PFS pathophysiology using a precision medicine approach.
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Affiliation(s)
- Sabina Cauci
- Department of Medical and Biological Sciences, School of Medicine, University of Udine, Udine, Italy.
| | - Giovanni Chiriacò
- Urological Hospital Department, Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
| | - Erika Cecchin
- Experimental and Clinical Pharmacology Unit, CRO Aviano National Cancer Institute, Italy
| | - Giuseppe Toffoli
- Experimental and Clinical Pharmacology Unit, CRO Aviano National Cancer Institute, Italy
| | - Serena Xodo
- Hospital Department of Gynecology and Obstetrics, University Hospital Santa Maria della Misericordia, Udine, Italy
| | - Giuseppe Stinco
- Department of Experimental and Clinical Medicine, University of Udine, Dermatology Clinic, University Hospital Santa Maria della Misericordia, Udine, Italy
| | - Carlo Trombetta
- Urological Hospital Department, Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
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Li J, Xiao F, Zhang Y, Lan A, Song Q, Zhang R, Gu K, Chen P, Li Z, Zhang X, Yang X. Shorter GGN Repeats in Androgen Receptor Gene Would Not Increase the Risk of Prostate Cancer. Technol Cancer Res Treat 2016; 16:159-166. [PMID: 28279145 DOI: 10.1177/1533034616673272] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The association between the polymorphic GGN repeat in androgen receptor gene and prostate cancer susceptibility has been studied extensively. But the results of these polymorphisms with prostate cancer risk remain inconclusive. Previous meta-analysis showed short GGN repeats (≤16 repeats) had high risks for prostate cancer compared with longer GGN repeats (>16 repeats). Many studies have been published since the release of the previous meta-analysis. Here, we conducted an updated meta-analysis to demonstrate whether short repeats have higher risks for prostate cancer compared to long repeats. Five databases (PubMed, EMBASE, Cochrane Library, The China National Knowledge Infrastructure, and Web of Science) were last searched until January 1, 2016. Random- or fixed-effects model was performed based on the heterogeneity among studies. The potential publication bias was assessed via Begg funnel plot and Egger regression test. Twelve out of 157 studies were extracted. The result indicated that there was no significant difference between short repeat group and long repeat group in the overall analysis ( I2 = 80.6%, P = .000, odds ratio = 1.31, 95% confidence interval: 0.93-1.83). There was no association between the length of GGN repeats and the occurrence of prostate cancer in both Caucasian and African American ( I2 = 6.7%, P = .359, odds ratio = 1.11, 95% confidence interval: 0.94-1.32; and I2 = 74.1%, P = .050, odds ratio = 0.963, 95% confidence interval: 0.36-2.58). Our result demonstrated that a shorter GGN repeat polymorphism cannot increase the risk of prostate cancer compared to the longer GGN repeats. That's different with previous meta-analysis.
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Affiliation(s)
- Jiatong Li
- 1 Medical Scientific Research Center, Guangxi Medical University, Nanning, Guangxi, China.,2 Department of Pathophysiology, Guangxi Medical University, Nanning, Guangxi, China
| | - Feifan Xiao
- 1 Medical Scientific Research Center, Guangxi Medical University, Nanning, Guangxi, China.,3 First Clinical Academy, Guangxi Medical University, Nanning, Guangxi, China
| | - Yuening Zhang
- 1 Medical Scientific Research Center, Guangxi Medical University, Nanning, Guangxi, China
| | - Aihua Lan
- 1 Medical Scientific Research Center, Guangxi Medical University, Nanning, Guangxi, China.,3 First Clinical Academy, Guangxi Medical University, Nanning, Guangxi, China
| | - Qian Song
- 3 First Clinical Academy, Guangxi Medical University, Nanning, Guangxi, China
| | - Ruoheng Zhang
- 1 Medical Scientific Research Center, Guangxi Medical University, Nanning, Guangxi, China.,3 First Clinical Academy, Guangxi Medical University, Nanning, Guangxi, China
| | - Kailong Gu
- 1 Medical Scientific Research Center, Guangxi Medical University, Nanning, Guangxi, China
| | - Ping Chen
- 4 Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Zhuo Li
- 4 Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Xinhua Zhang
- 4 Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Xiaoli Yang
- 1 Medical Scientific Research Center, Guangxi Medical University, Nanning, Guangxi, China
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Liu J, Liu X, Liu Y, Deng S, Huang H, Chen Q, Liu W, Huang Z. Association of EVI5 rs11808092, CD58 rs2300747, and CIITA rs3087456 polymorphisms with multiple sclerosis risk: A meta-analysis. Meta Gene 2016; 9:97-103. [PMID: 27331013 PMCID: PMC4908284 DOI: 10.1016/j.mgene.2016.04.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Revised: 04/19/2016] [Accepted: 04/22/2016] [Indexed: 11/15/2022] Open
Abstract
Purpose Multiple sclerosis (MS) is a major demyelinating disease of the central nervous system with a strong genetic component. Previous studies have reported that the association of EVI5 rs11808092, CD58 rs2300747, and CIITA rs3087456 polymorphisms with the susceptibility to MS. However, the results were inconsistent. Thus, we conducted this meta-analysis to provide a more accurate estimation of the association between any of these polymorphisms and MS risk. Methods The PubMed, Embase, Chinese National Knowledge Infrastructure, Wan Fang databases and MSGene were used to search all potentially relevant studies. The odds ratio (OR) with 95% confidence interval (CI) was used to investigate the associations between these three polymorphisms and MS risk. Results 16 independent case–control studies from 12 publications were finally included into this meta-analysis. The results showed that EVI5 rs11808092 polymorphism was related with increasing the development of MS under five genetic models (allelic: OR = 1.17, 95% CI = 1.10–1.24, P < 0.01; homozygous: OR = 1.37, 95% CI = 1.18–1.59, P < 0.01; heterozygous: OR = 1.16, 95% CI = 1.07–1.26, P < 0.01; recessive: OR = 1.28, 95% CI = 1.11–1.48, P < 0.01; and dominant: OR = 1.19, 95% CI = 1.11–1.48, P < 0.01). CD58 rs2300747 polymorphism was found to be associated with decreasing MS risk in three genetic models (allelic: OR = 0.86, 95% CI = 0.78–0.94, P < 0.01; heterozygous: OR = 0.85, 95% CI = 0.76–0.94, P < 0.01, and dominant: OR = 0.84, 95% CI = 0.76–0.93, P < 0.01). However, this meta-analysis indicated that CIITA rs3087456 polymorphism was not related to multiple sclerosis. Conclusions The mutant alleles of EVI5 rs11808092 polymorphism may increase the susceptibility to MS while those of CD58 rs2300747 polymorphism may decrease MS risk. In addition, CIITA rs3087456 polymorphism might not be associated with MS.
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Affiliation(s)
- Jiahe Liu
- Key Laboratory for Medical Molecular Diagnostics of Guangdong Province, Dongguan Scientific Research Center, Guangdong Medical University, Dongguan, Guangdong 523808, China; The Second School of Clinical Medicine, Guangdong Medical University, Dongguan, Guangdong 523808, China
| | - Xu Liu
- Key Laboratory for Medical Molecular Diagnostics of Guangdong Province, Dongguan Scientific Research Center, Guangdong Medical University, Dongguan, Guangdong 523808, China; The Second School of Clinical Medicine, Guangdong Medical University, Dongguan, Guangdong 523808, China
| | - Yong Liu
- Key Laboratory for Medical Molecular Diagnostics of Guangdong Province, Dongguan Scientific Research Center, Guangdong Medical University, Dongguan, Guangdong 523808, China; School of Pharmacy, Guangdong Medical University, Dongguan, Guangdong 523808, China; Key Laboratory for Research and Development of Natural Drugs of Guangdong Province, Zhanjiang, Guangdong 524023, China
| | - Shimin Deng
- Key Laboratory for Medical Molecular Diagnostics of Guangdong Province, Dongguan Scientific Research Center, Guangdong Medical University, Dongguan, Guangdong 523808, China; School of Pharmacy, Guangdong Medical University, Dongguan, Guangdong 523808, China
| | - Hongbin Huang
- Key Laboratory for Medical Molecular Diagnostics of Guangdong Province, Dongguan Scientific Research Center, Guangdong Medical University, Dongguan, Guangdong 523808, China; The Second School of Clinical Medicine, Guangdong Medical University, Dongguan, Guangdong 523808, China
| | - Qicong Chen
- School of Preclinical Medicine, Guangxi Medical University, Nanning, Guangxi 530021, China
| | - Weidong Liu
- Key Laboratory for Medical Molecular Diagnostics of Guangdong Province, Dongguan Scientific Research Center, Guangdong Medical University, Dongguan, Guangdong 523808, China; School of Pharmacy, Guangdong Medical University, Dongguan, Guangdong 523808, China
| | - Zunnan Huang
- Key Laboratory for Medical Molecular Diagnostics of Guangdong Province, Dongguan Scientific Research Center, Guangdong Medical University, Dongguan, Guangdong 523808, China; School of Pharmacy, Guangdong Medical University, Dongguan, Guangdong 523808, China; Key Laboratory for Research and Development of Natural Drugs of Guangdong Province, Zhanjiang, Guangdong 524023, China
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