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Kayali S, Fantasia S, Gaiani F, Cavallaro LG, de'Angelis GL, Laghi L. NOD2 and Crohn's Disease Clinical Practice: From Epidemiology to Diagnosis and Therapy, Rewired. Inflamm Bowel Dis 2024:izae075. [PMID: 38582044 DOI: 10.1093/ibd/izae075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Indexed: 04/08/2024]
Abstract
Crohn's disease (CD) is a chronic inflammatory bowel disease with a multifactorial pathogenesis involving environmental and genetic factors. Since the late 20th century, the discovery of the first susceptibility gene (NOD2, previously referred to as CARD15) for CD has paved the way for further investigations into the correlations between clinical features and genetics, and its potential impact on clinical practice has fueled the research in the last 2 decades. Recent therapeutic advancements involving novel biologic drugs and small molecules have shifted inflammatory bowel disease management from a disease-centered to a patient-centric approach. To date, the role of NOD2 has not been fully understood yet. Recent data suggest that its clinical impact may be greater than currently recognized. This review overviews the most common NOD2 variants' role in real-life clinical practice. These genetic variants increase the risk of developing the disease and can aid in tailoring diagnosis and treatment. They are associated with the stricturing phenotype and ileal involvement and increase the risk of steroid refractoriness. In the meantime, limited and inconclusive evidence exists regarding their predictive role in response to azathioprine, biologic drugs, and small molecules. Eventually, their role in increasing the risk for surgery is evident, especially in those with the L1007fs variant. If further trials will support the initial evidence reported so far, NOD2 genetic variants will emerge as possible candidates for developing precision medicine in CD.
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Affiliation(s)
- Stefano Kayali
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Stefano Fantasia
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Federica Gaiani
- Department of Medicine and Surgery, University of Parma, Parma, Italy
- Gastroenterology and Endoscopy Unit, University Hospital of Parma, Parma, Italy
| | | | | | - Luigi Laghi
- Department of Medicine and Surgery, University of Parma, Parma, Italy
- Laboratory of Molecular Gastroenterology, Humanitas Clinical and Research Centre, Rozzano, Italy
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Abdelnaby H, Ndiaye NC, D'Amico F, Fouad AM, Hassan S, Elshafey A, Al Hashash W, Faisal M, Alshamali Y, Al-Taweel T, Peyrin-Biroulet L. NOD2/CARD15 polymorphisms (P268S, IVS8 +158, G908R, L1007fs, R702W) among Kuwaiti patients with Crohn's disease: A case-control study. Saudi J Gastroenterol 2021; 27:249-256. [PMID: 34341249 PMCID: PMC8448012 DOI: 10.4103/sjg.sjg_613_20] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Nucleotide-binding oligomerization domain-containing two (NOD2/CARD15) gene polymorphisms are implicated in the pathogenesis of Crohn's disease (CD). AIM To describe the allelic frequency of NOD2/CARD15 gene variants among Kuwaiti patients with CD and investigate potential genotype/phenotype associations. METHODS Adult Kuwaiti citizens with an established diagnosis of CD and healthy controls were enrolled from October 2018 to May 2020. Three common NOD2/CARD15 polymorphisms (R702W, G908R, and L1007fs) and P268S and IVS8+158 polymorphisms were screened by polymerase chain reaction/restriction analysis length polymorphism (PCR/RFLP). RESULTS Ninety adult Kuwaiti patients with CD and 210 healthy subjects (as controls) were recruited. P268S, IVS8+158, G908R, and R702W minor alleles were identified in 38.9%, 21.1%, 12.2%, and 4.4% of CD patients, respectively. NOD2/CARD15 polymorphisms coexisted in 35 healthy controls (16.7%) and 21 CD patients (23.3%). Individuals with either a single or multiple polymorphism were approximately two times more likely to have CD than those with no polymorphism. Patients with multiple polymorphisms had significantly more stricturing and penetrating disease. CONCLUSION NOD2/CARD15 gene polymorphisms were significantly associated with an increased risk of disease and aggressive phenotypes among the Kuwaiti CD population.
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Affiliation(s)
- Hassan Abdelnaby
- Department of Endemic and Infectious Diseases, Suez Canal University, Ismailia, Egypt,Department of Internal Medicine, Division of Gastroenterology, Al Sabah Hospital, Ministry of Health, Kuwait,Address for correspondence: Dr. Hassan Abdelnaby, Department of Internal Medicine, Division of Gastroenterology, Al Sabah Hospital, Ministry of Health, P.O. Box (5) 13001 Safat,. E-mail:
| | - Ndeye Coumba Ndiaye
- Inserm U1256 « Nutrition – Genetics and Exposure to Environmental Risks - NGERE », University of Lorraine, Vandoeuvre-les-Nancy, France
| | - Ferdinando D'Amico
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
| | - Ahmed Mahmoud Fouad
- Department of Public Health, Occupational and Environmental Medicine, Ismailia, Italy
| | - Sameh Hassan
- Department of Internal Medicine, Division of Gastroenterology, Al Sabah Hospital, Ministry of Health, Kuwait
| | - Alaa Elshafey
- Medical Genetics, Pediatric Department, Menofia University, Egypt,Kuwait Medical Genetic Centre, Ministry of Health, Kuwait
| | - Wafaa Al Hashash
- Department of Internal Medicine, Division of Gastroenterology, Al Sabah Hospital, Ministry of Health, Kuwait
| | - Mohammed Faisal
- Surgical Oncology Unit, Department of Surgery, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - Yousef Alshamali
- Department of Internal Medicine, Division of Gastroenterology, Jaber Al-Ahmad Hospital, Ministry of Health, Kuwait
| | - Talal Al-Taweel
- Department of Internal Medicine, Division of Gastroenterology, Jaber Al-Ahmad Hospital, Ministry of Health, Kuwait
| | - Laurent Peyrin-Biroulet
- Inserm U1256 « Nutrition – Genetics and Exposure to Environmental Risks - NGERE », University of Lorraine, Vandoeuvre-les-Nancy, France,InsermU954, Department of Gastroenterology, Nancy University Hospital, University of Lorraine, Vandoeuvre Les Nancy, France
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Environmental exposures and the risk of inflammatory bowel disease: a case-control study from Saudi Arabia. Eur J Gastroenterol Hepatol 2020; 32:358-364. [PMID: 31851095 DOI: 10.1097/meg.0000000000001619] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
BACKGROUND AND AIMS Environmental exposures play a key role in inflammatory bowel disease pathogenesis. The incidence of IBD has increased in the Arabic Peninsula with a disease phenotype that seems to differ from that of Western countries. We aimed to examine the association between environmental exposures and the risk of IBD in Saudi Arabia. PATIENTS AND METHODS We performed a case-control study comparing Saudi individuals with confirmed IBD and healthy controls. All subjects completed a detailed questionnaire that included data on demographics, clinical characteristics, childhood exposures, socioeconomic exposures, and parent factors. Associations between risk factors and inflammatory bowel disease were investigated through univariate and multivariate regression analysis. RESULTS The analysis included 82 patients and 160 controls. According to multiple logistic regression analysis, holding a University/Master degree education level or a PhD degree reduced the risk of inflammatory bowel disease by 10-fold (odds ratio = 0.1, confidence interval = 0.1-0.3), receiving seven vaccines or more during childhood increased the risk of developing inflammatory bowel disease by nine-fold (odds ratio = 9.2, confidence interval = 2.9-29.4) and maternal use of oral contraceptives pills increased the risk by 11-fold (odds ratio = 11.4, confidence interval = 3.3-39.3). CONCLUSION Inflammatory bowel disease occurrence was independently associated with education level, number of childhood vaccination, and maternal use of oral contraceptives pills in this population of inflammatory bowel disease patients. This is the first study examining environmental exposures as risk factors for inflammatory bowel disease in Saudi Arabia.
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Impact of Historic Migrations and Evolutionary Processes on Human Immunity. Trends Immunol 2019; 40:1105-1119. [PMID: 31786023 PMCID: PMC7106516 DOI: 10.1016/j.it.2019.10.001] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 10/04/2019] [Accepted: 10/09/2019] [Indexed: 12/30/2022]
Abstract
The evolution of mankind has constantly been influenced by the pathogens encountered. The various populations of modern humans that ventured out of Africa adapted to different environments and faced a large variety of infectious agents, resulting in local adaptations of the immune system for these populations. The functional variation of immune genes as a result of evolution is relevant in the responses against infection, as well as in the emergence of autoimmune and inflammatory diseases observed in modern populations. Understanding how host-pathogen interactions have influenced the human immune system from an evolutionary perspective might contribute to unveiling the causes behind different immune-mediated disorders and promote the development of new strategies to detect and control such diseases.
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Fu Z, Shen Y, Lin L, Chen Y, Li Y, Que R. Association between Toll-Like Receptor 4 T399I Gene Polymorphism and the Susceptibility to Crohn's Disease: A Meta-Analysis of Case-Control Studies. Digestion 2018; 97:250-259. [PMID: 29421805 DOI: 10.1159/000485027] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Accepted: 11/07/2017] [Indexed: 02/04/2023]
Abstract
BACKGROUND/AIMS This article was undertaken to investigate the association of toll-like receptor 4 (TLR4) polymorphism (Thr399Ile) and risk of Crohn's disease (CD) by performing a meta-analysis. METHODS Articles were chosen based on PubMed, Embase, China National Knowledge Internet, and Chinese Wanfang databases (up to 12th October 2016). Specific inclusion criteria were used to evaluate articles. Meta-analysis was performed by using a random or fixed effect model. Fifteen eligible case-control studies were finally included into this meta-analysis. We estimated the summary OR with its corresponding 95% CI to assess the association. RESULTS Summary results of this meta-analysis showed a moderate association between the TLR4 T399I polymorphism and the risk of CD (allele model: OR 1.26, 95% CI 1.06-1.50, p = 0.009; heterozygote model: OR 1.36, 95% CI 1.11-1.66, p = 0.003; dominant model: OR 1.35, 95% CI 1.10-1.64, p = 0.004; homozygote model: OR 1.08, 95% CI 0.44-2.64, p = 0.866; recessive model: OR 0.97, 95% CI 0.40-2.35, p = 0.946). Stratified analysis on geographical area, ethnicity, and genotypic methods suggested that the polymorphism was associated with increased risk of CD in Asia and Asians, and "T" allele only moderately increased CD risk within polymerase chain reaction-restricted fragment length polymorphism. CONCLUSIONS Our meta-analysis suggests that TLR4 T399I polymorphism is moderately associated with susceptibility to CD, and more studies are needed to confirm our conclusion.
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Affiliation(s)
- Zhiquan Fu
- Department of Gastroenterology, Shanghai TCM-Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yanting Shen
- Department of Gastroenterology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Liubing Lin
- Department of Gastroenterology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yirong Chen
- Department of Gastroenterology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yong Li
- Department of Gastroenterology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Renye Que
- Department of Gastroenterology, Shanghai TCM-Integrated Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Targeted Gene Sequencing in Children with Crohn's Disease and Their Parents: Implications for Missing Heritability. G3-GENES GENOMES GENETICS 2018; 8:2881-2888. [PMID: 30166421 PMCID: PMC6118318 DOI: 10.1534/g3.118.200404] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Crohn’s disease is a complex genetic trait characterized by chronic relapsing intestinal inflammation. Genome wide association studies (GWAS) have identified more than 170 loci associated with the disease, accounting for ∼14% of the disease variance. We hypothesized that rare genetic variation in GWAS positional candidates also contribute to disease pathogenesis. We performed targeted, massively-parallel sequencing of 101 genes in 205 children with Crohn’s disease, including 179 parent-child trios and 200 controls, both of European ancestry. We used the gene burden test implemented in VAAST and estimated effect sizes using logistic regression and meta-analyses. We identified three genes with nominally significant p-values: NOD2, RTKN2, and MGAT3. Only NOD2 was significant after correcting for multiple comparisons. We identified eight novel rare variants in NOD2 that are likely disease-associated. Incorporation of rare variation and compound heterozygosity nominally increased the proportion of variance explained from 0.074 to 0.089. We estimated the population attributable risk and total heritability of variation in NOD2 to be 32.9% and 3.4%, respectively, with 3.7% and 0.25% accounted for by rare putatively functional variants. Sequencing probands (as opposed to genotyping) to identify rare variants and incorporating phase by sequencing parents can recover a portion of the missing heritability of Crohn’s disease.
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Mosli M, Alzahrani A, Showlag S, Alshehri A, Hejazi A, Alnefaie M, Almaymuni A, Abdullahi M, Albeshir M, Alsulais E, Jawa H, Aljahdli E, Bazarah S, Qari Y. A cross-sectional survey of multi-generation inflammatory bowel disease consanguinity and its relationship with disease onset. Saudi J Gastroenterol 2017; 23:337-340. [PMID: 29205186 PMCID: PMC5738795 DOI: 10.4103/sjg.sjg_125_17] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
UNLABELLED Background\Aim: Consanguinity influences the phenotypic variations of some hereditary and immune-mediated disorders, including inflammatory bowel disease. This study estimated the prevalence of consanguinity among the ancestors of patients with inflammatory bowel disease and examined the effect of various consanguinity levels on inflammatory bowel disease onset. PATIENTS AND METHODS Patients with inflammatory bowel disease who were seen at two gastroenterology outpatient clinics were consecutively recruited and surveyed for demographics, disease onset, and presence of ancestral consanguinity within three generations. The prevalence of different consanguinity levels was calculated. The association between age at inflammatory bowel disease onset and consanguinity was examined. RESULTS Two hundred seventeen patients were recruited. The mean age, mean age at diagnosis, and mean illness duration were 32.9 ± 13.4, 18.6 ± 11.5, and 8.6 ± 7.7 years, respectively. Of the cohort, 53.5% were women, and 74.2% were native Saudis. Cigarette smoking was reported in 17.1%; 51% had Crohn's disease, while the remaining patients had ulcerative colitis. A family history of inflammatory bowel disease was reported in 29.5% of patients; consanguinity within three generations was reported in 57.6%. Consanguinity in more than one generation was reported in 38.7%; 17.5% had consanguinity in three consecutive generations. There was no association between inflammatory bowel disease onset and multi-generation consanguinity, but there was an association with disease subtype in favor of ulcerative colitis (b coefficient = 7.1 [95% confidence interval = 4.1, 10]). CONCLUSIONS Consanguinity is extremely common among Saudi patients with inflammatory bowel disease but does not seem to influence age at disease onset. Genetic studies are needed to further clarify the effect of consanguinity on disease behavior.
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Affiliation(s)
- Mahmoud Mosli
- Department of Medicine, King Abdulaziz University Hospital, Jeddah, Kingdom of Saudi Arabia,Address for correspondence: Dr. Mahmoud Mosli, Department of Medicine, King Abdulaziz University Hospital, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia. E-mail:
| | - Abdulelah Alzahrani
- Department of Medicine, King Abdulaziz University Hospital, Jeddah, Kingdom of Saudi Arabia
| | - Showlag Showlag
- Department of Medicine, King Abdulaziz University Hospital, Jeddah, Kingdom of Saudi Arabia
| | - Abdullah Alshehri
- Department of Medicine, King Abdulaziz University Hospital, Jeddah, Kingdom of Saudi Arabia
| | - Ahmed Hejazi
- Department of Medicine, King Abdulaziz University Hospital, Jeddah, Kingdom of Saudi Arabia
| | - Majed Alnefaie
- Department of Medicine, King Abdulaziz University Hospital, Jeddah, Kingdom of Saudi Arabia
| | - Adel Almaymuni
- Department of Medicine, King Abdulaziz University Hospital, Jeddah, Kingdom of Saudi Arabia
| | - Mubarak Abdullahi
- Department of Medicine, King Abdulaziz University Hospital, Jeddah, Kingdom of Saudi Arabia
| | - Mohammed Albeshir
- Department of Medicine, King Fahad Specialist Hospital, Dammam, Kingdom of Saudi Arabia
| | - Eman Alsulais
- Department of Medicine, King Fahad Specialist Hospital, Dammam, Kingdom of Saudi Arabia
| | - Hani Jawa
- Department of Medicine, King Abdulaziz University Hospital, Jeddah, Kingdom of Saudi Arabia
| | - Emad Aljahdli
- Department of Medicine, King Abdulaziz University Hospital, Jeddah, Kingdom of Saudi Arabia
| | - Salem Bazarah
- Department of Medicine, King Abdulaziz University Hospital, Jeddah, Kingdom of Saudi Arabia
| | - Yousif Qari
- Department of Medicine, King Abdulaziz University Hospital, Jeddah, Kingdom of Saudi Arabia
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Cheng Y, Zhu Y, Huang X, Zhang W, Han Z, Liu S. Association between TLR2 and TLR4 Gene Polymorphisms and the Susceptibility to Inflammatory Bowel Disease: A Meta-Analysis. PLoS One 2015; 10:e0126803. [PMID: 26023918 PMCID: PMC4449210 DOI: 10.1371/journal.pone.0126803] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2014] [Accepted: 04/08/2015] [Indexed: 12/18/2022] Open
Abstract
Background The associations between toll-like receptor 2 (TLR2) and toll-like receptor 4(TLR4) polymorphisms and inflammatory bowel disease (IBD) susceptibility remain controversial. A meta-analysis was performed to assess these associations. Methods A systematic search was performed to identify all relevant studies relating TLR2 and TLR4 polymorphisms and IBD susceptibility. Odds ratios (ORs) and 95% confidence intervals (CIs) were calculated. Subgroup analyses were performed by ethnicity and publication quality. Results Thirty-eight eligible studies, assessing 10970 cases and 7061 controls were included. No TLR2 Arg677Trp polymorphism was found. No significant association was observed between TLR2 Arg753Gln polymorphism and Crohn’s disease (CD) or ulcerative colitis (UC) in all genetic models. Interestingly, TLR4 Asp299Gly polymorphism was significantly associated with increased risk of CD and UC in all genetic models, except for the additive one in CD. In addition, a statistically significant association between TLR4 Asp299Gly polymorphism and IBD was observed among high quality studies evaluating Caucasians, but not Asians. Associations between TLR4 Thr399Ile polymorphisms and CD risk were found only in the allele and dominant models. The TLR4 Thr399Ile polymorphism was associated with UC risk in pooled results as well as subgroup analysis of high quality publications assessing Caucasians, in allele and dominant models. Conclusions The meta-analysis provides evidence that TLR2 Arg753Gln is not associated with CD and UC susceptibility in Asians; TLR4 Asp299Gly is associated with CD and UC susceptibility in Caucasians, but not Asians. TLR4 Thr399Ile may be associated with IBD susceptibility in Caucasians only. Additional well-powered studies of Asp299Gly and other TLR4 variants are warranted.
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Affiliation(s)
- Yang Cheng
- First clinical college, Southern Medical University, Guangzhou, Guangdong Province, China
| | - Yun Zhu
- Liver Tumor Center, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China
| | - Xiuping Huang
- First clinical college, Southern Medical University, Guangzhou, Guangdong Province, China
| | - Wei Zhang
- First clinical college, Southern Medical University, Guangzhou, Guangdong Province, China
| | - Zelong Han
- First clinical college, Southern Medical University, Guangzhou, Guangdong Province, China
| | - Side Liu
- Department of Digestion, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China
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Senhaji N, Diakité B, Serbati N, Zaid Y, Badre W, Nadifi S. Toll-like receptor 4 Asp299Gly and Thr399Ile polymorphisms: New data and a meta-analysis. BMC Gastroenterol 2014; 14:206. [PMID: 25492126 PMCID: PMC4279599 DOI: 10.1186/s12876-014-0206-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2014] [Accepted: 11/24/2014] [Indexed: 01/21/2023] Open
Abstract
Background The pathogenesis of inflammatory bowel disease (IBD) involves interactions between the host genetic susceptibility, intestinal microflora and mucosal immune responses through the pattern recognition receptor. Polymorphisms in toll-like receptor 4 (TLR4) induce an aberrant immune response to indigenous intestinal flora, which might favor IBD development. In this study, we aimed to determine whether TLR4 gene was associated with Crohn’s disease (CD) and ulcerative colitis (UC) among Moroccan patients, and evaluated its correlation with clinical manifestation of the disease. Methods The study population comprised 117 patients with IBD and 112 healthy unrelated blood donors. TLR4 polymorphisms: Asp299Gly and Thr399Ile were genotyped by polymerase chain reaction-restriction fragment length polymorphism. PCR products were cleaved with Nco I for the Asp299Gly polymorphism and Hinf I for the Thr399Ile polymorphism. Meta-analysis was performed to test the association of 299Gly and 399Ileu carriage with CD, UC and the overall IBD risk. Results Our study revealed that the frequency of Asp299Gly and Thr399Ile did not differ significantly between patients and controls in the Moroccan population. However, meta-analysis demonstrated significantly higher frequencies of both Asp299Gly and Thr399Ile SNPs in IBD and CD and for 399Ileu carriage in UC patients. Conclusion The meta-analysis provides evidence that TLR4 polymorphisms confer a significant increased risk for the overall IBD development.
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Affiliation(s)
- Nezha Senhaji
- Laboratory of Genetic and Molecular Pathology (LGPM), Medical School, Hassan II University, Casablanca, Morocco.
| | - Brehima Diakité
- Laboratory of Genetic and Molecular Pathology (LGPM), Medical School, Hassan II University, Casablanca, Morocco.
| | - Nadia Serbati
- Laboratory of Genetic and Molecular Pathology (LGPM), Medical School, Hassan II University, Casablanca, Morocco.
| | - Younes Zaid
- Laboratory of Thrombosis and Haemostasis Research Centre, Montreal Heart Institute, 5000 Belanger Street, Montreal, QC, H1T 1C8, Canada.
| | - Wafaa Badre
- Gastroenterology Department, CHU Ibn Rochd, Casablanca, Morocco.
| | - Sellama Nadifi
- Laboratory of Genetic and Molecular Pathology (LGPM), Medical School, Hassan II University, Casablanca, Morocco.
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Wang H, Wei Y, Zeng Y, Qin Y, Xiong B, Qin G, Li J, Hu D, Qiu X, Sooranna SR, Pinhu L. The association of polymorphisms of TLR4 and CD14 genes with susceptibility to sepsis in a Chinese population. BMC MEDICAL GENETICS 2014; 15:123. [PMID: 25394369 PMCID: PMC4411696 DOI: 10.1186/s12881-014-0123-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Accepted: 10/23/2014] [Indexed: 02/27/2023]
Abstract
Background Sepsis is now the leading cause of death in the non-cardiovascular intensive care unit (ICU). Recent research suggests that sepsis is likely to be due to an interaction between genetic and environmental factors. Genetic mutations of toll-like receptor 4 (TLR4) and cluster of differentiation 14 (CD14) genes are involved in the immune and (or) inflammatory response. These may contribute to the susceptibility to sepsis in patients. This study was designed to evaluate whether the TLR4 and cluster CD14 gene polymorphisms are associated with susceptibility to sepsis. Methods The single nucleotide polymorphisms (SNPs) of TLR4 (rs10759932, rs11536889, rs7873784, rs12377632, rs1927907, rs1153879) and CD14 (rs2569190 and rs2563298) in patients with sepsis and control subjects in the Guangxi Province were analyzed by using the polymerase chain reaction-single base extension (PCR-SBE) and DNA sequencing methods. Results The rs11536889 polymorphism in TLR4 and rs2563298 polymorphism in CD14 were significantly associated with the risk of sepsis when compared to the control group. The frequencies of rs11536889 and rs2563298 polymorphisms in the group with sepsis were higher than that in the control group (OR = 1.430, 95% CI, 1.032-1.981, P<0.05; OR = 2.454, 95% CI, 1.458-4.130, P<0.05, respectively). Followed up haplotype analysis suggested that there were two haplotypes in which increased risk factors for sepsis were indicated. Conclusions The rs11536889 polymorphism in TLR4 and rs2563298 polymorphism in CD14, and two haplotypes were associated with increased susceptibility to sepsis.
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Affiliation(s)
- Haiyan Wang
- Intensive Care Medicine, Affiliated Hospital of Youjiang Medical University for Nationalities, No.18 Zhongshan Road II, Baise, 533099, Guangxi, PR China.
| | - Yesheng Wei
- Intensive Care Medicine, Affiliated Hospital of Youjiang Medical University for Nationalities, No.18 Zhongshan Road II, Baise, 533099, Guangxi, PR China.
| | - Yi Zeng
- Intensive Care Medicine, Affiliated Hospital of Youjiang Medical University for Nationalities, No.18 Zhongshan Road II, Baise, 533099, Guangxi, PR China.
| | - Yueqiu Qin
- Intensive Care Medicine, Affiliated Hospital of Youjiang Medical University for Nationalities, No.18 Zhongshan Road II, Baise, 533099, Guangxi, PR China.
| | - Bin Xiong
- Intensive Care Unit, the People's Hospital of Guangxi Zhuang Autonomous Region, 6 Taoyuan Road, Nanning, 530021, Guangxi, PR China.
| | - Gang Qin
- Intensive Care Unit, Minzu Hospital of Guangxi Zhuang Autonomous Region, 323 Mingxiu East Road, Nanning, 530021, Guangxi, PR China.
| | - Jun Li
- Intensive Care Medicine, Affiliated Hospital of Youjiang Medical University for Nationalities, No.18 Zhongshan Road II, Baise, 533099, Guangxi, PR China.
| | - Donghai Hu
- Intensive Care Medicine, Affiliated Hospital of Youjiang Medical University for Nationalities, No.18 Zhongshan Road II, Baise, 533099, Guangxi, PR China.
| | - Xiaowen Qiu
- Intensive Care Medicine, Affiliated Hospital of Youjiang Medical University for Nationalities, No.18 Zhongshan Road II, Baise, 533099, Guangxi, PR China.
| | - Suren R Sooranna
- Department of Surgery and Cancer, Imperial College London, Chelsea and Westminster Hospital, London, SW10 9NH, UK.
| | - Liao Pinhu
- Intensive Care Medicine, Affiliated Hospital of Youjiang Medical University for Nationalities, No.18 Zhongshan Road II, Baise, 533099, Guangxi, PR China.
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Meddour Y, Chaib S, Bousseloub A, Kaddache N, Kecili L, Gamar L, Nakkemouche M, Djidjik R, Abbadi MC, Charron D, Boucekkine TE, Tamouza R. NOD2/CARD15 and IL23R genetic variability in 204 Algerian Crohn's disease. Clin Res Hepatol Gastroenterol 2014; 38:499-504. [PMID: 24679666 DOI: 10.1016/j.clinre.2014.02.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2013] [Revised: 01/15/2014] [Accepted: 02/11/2014] [Indexed: 02/04/2023]
Abstract
NOD2/CARD15 and IL23R gene variants play an important role in the susceptibility to Crohn's disease (CD). Studies of genotype-phenotype relationship suggest that these variants are associated with the development of the disease and specific phenotype. Preliminary reports analyzing the association between these variants have never been made on Algerian CD's. In a case-control design, 204 Algerian with CD diagnosed for at least 5years and 201 controls were included were genotyped for single nucleotide polymorphisms (SNP) in the NOD2/CARD15 gene R702W (SNP8, rs2066844), G908R (SNP12, rs2066845) and IL23R R381Q (rs11209026) gene variants were determined using the TaqMan SNP genotyping assays. NOD2/CARD15 908R was carried by 3% of the patients and none in control subjects (χ(2)=8.6, Pc=0.003, OR=13.20). NOD2/CARD15 702W was associated to CD outcome (χ(2)=17.2, Pc=0.00003, OR=12.5) and early onset of disease (group A1, χ(2)=19.3, Pc=1.10(-5), OR=14.05, PM-H=2.10(-6)). IL23R 381Q variants was more frequent in CD's patients than controls (χ(2)=8, Pc=0.005, OR=3.48), it was associated to earlier onset (group A1, χ(2)=7.1, Pc=0.007, OR=1.04, PM-H=0.002), extra-intestinal manifestations (EIM) outcome (χ(2)=10.6, Pc=0.001, OR=1.05, PM-H=0.002) and ileocolonic location (χ(2)=6.8, Pc=0.009, OR=1.05, PM-H=0.001). In this Algerian cohort, NOD2/CARD15 and IL23R variants were associated with CD's outcomes and linked to a particular clinical phenotype.
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Affiliation(s)
- Y Meddour
- Immunology Department, Central Hospital of Army, Algiers, Algeria
| | - S Chaib
- Immunology Department, Central Hospital of Army, Algiers, Algeria
| | - A Bousseloub
- Gastroenterology Department, Central Hospital of Army, Algiers, Algeria
| | - N Kaddache
- Gastroenterology Department, Mustapha Bacha Hospital, Algiers, Algeria
| | - L Kecili
- Gastroenterology Department, Mustapha Bacha Hospital, Algiers, Algeria
| | - L Gamar
- Gastroenterology Department, Mustapha Bacha Hospital, Algiers, Algeria
| | - M Nakkemouche
- Gastroenterology Department, Nafissa Hamoud Hospital, Algiers, Algeria
| | - R Djidjik
- Biology Department, Béni-Messous Hospital, Algiers, Algeria; Immunogenetics and Immunopathology Research Laboratory, Algiers, Algeria.
| | - M C Abbadi
- Immunology Department, Pasteur Institute, Algiers, Algeria; Immunogenetics and Immunopathology Research Laboratory, Algiers, Algeria
| | - D Charron
- Immunology and Histocompatibility Department, CIB-HOB, AP-HP, IUH and INSERM UMRS940, Saint-Louis Hospital, Paris, France
| | - T E Boucekkine
- Gastroenterology Department, Mustapha Bacha Hospital, Algiers, Algeria
| | - R Tamouza
- Immunology and Histocompatibility Department, CIB-HOB, AP-HP, IUH and INSERM UMRS940, Saint-Louis Hospital, Paris, France
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Lin YT, Verma A, Hodgkinson CP. Toll-like receptors and human disease: lessons from single nucleotide polymorphisms. Curr Genomics 2013; 13:633-45. [PMID: 23730203 PMCID: PMC3492803 DOI: 10.2174/138920212803759712] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2012] [Revised: 10/08/2012] [Accepted: 10/08/2012] [Indexed: 12/13/2022] Open
Abstract
Toll-like receptors (TLRs), a large group of proteins which recognize various pathogen-associated molecular patterns, are critical for the normal function of the innate immune system. Following their discovery many single nucleotide polymorphisms within TLRs and components of their signaling machinery have been discovered and subsequently implicated in a wide range of human diseases including atherosclerosis, sepsis, asthma, and immunodeficiency. This review discusses the effect of genetic variation on TLR function and how they may precipitate disease.
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Affiliation(s)
- Yi-Tzu Lin
- Department of Medicine, Duke University Medical Center & Mandel Center for Hypertension and Atherosclerosis Research, Durham, NC 27710, USA
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13
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Bianco AM, Marcuzzi A, Zanin V, Girardelli M, Vuch J, Crovella S. Database tools in genetic diseases research. Genomics 2013; 101:75-85. [DOI: 10.1016/j.ygeno.2012.11.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2012] [Revised: 10/26/2012] [Accepted: 11/01/2012] [Indexed: 01/22/2023]
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