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Batiha O, Burghel GJ, Alkofahi A, Alsharu E, Smith H, Alobaidi B, Al-Smadi M, Awamlah N, Hussein L, Abdelnour A, Sheth H, Veltman J. Screening by single-molecule molecular inversion probes targeted sequencing panel of candidate genes of infertility in azoospermic infertile Jordanian males. HUM FERTIL 2022; 25:939-946. [PMID: 34190021 PMCID: PMC7614817 DOI: 10.1080/14647273.2021.1946173] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Infertility is a common health problem that affects around 1 in 6 couples in the United States, where half of these cases are attributed to male factors. Genetics play an important role in infertility and it is estimated that up to 50% of cases are due to genetic factors. Despite this, many male infertility cases are still idiopathic. This study aimed to identify the presence of possibly pathogenic rare variants in a set of candidate genes related to azoospermia in 69 Jordanian men using a next-generation sequencing-based panel covering more than a hundred male infertility related genes. A total of 9 variants were found and validated. Among them, two variants included reported pathogenic variants in CFTR and one novel pathogenic variant in the USP9Y gene. We also report the detection of 6 other variants with uncertain significance in other genes. Interestingly, male cases with CFTR variants did not show the expected cystic fibrosis phenotypes except for infertility. This work helps to uncover the contribution of additional genetic factors to the aetiology of male infertility and highlights the importance to obtain more reliable information about the presence of genetic variation in the Jordanian population.
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Affiliation(s)
- Osamah Batiha
- Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid, Jordan
| | - George J Burghel
- The Manchester Centre for Genomic Medicine, University of Manchester NHS Foundation Trust, Manchester, UK
| | - Ayesha Alkofahi
- Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid, Jordan
| | - Emad Alsharu
- Reproductive Endocrinology and IVF Unit, King Hussein Medical Center, Amman, Jordan
| | - Hannah Smith
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK
| | - Bilal Alobaidi
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK
| | - Mohammad Al-Smadi
- Reproductive Endocrinology and IVF Unit, King Hussein Medical Center, Amman, Jordan
| | | | | | | | - Harsh Sheth
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK.,FRIGE's Institute of Human Genetics, FRIGE House, Ahmedabad, India
| | - Joris Veltman
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK
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2
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Baeza‐Trinidad R, Garcia‐Guerreros S. Novel cystic fibrosis transmembrane conductance regulator variant in a cystic fibrosis patient. Intern Med J 2022; 52:508-509. [DOI: 10.1111/imj.15715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 11/13/2021] [Accepted: 11/23/2021] [Indexed: 11/29/2022]
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Cai Z, Li H. Congenital Bilateral Absence of the Vas Deferens. Front Genet 2022; 13:775123. [PMID: 35222530 PMCID: PMC8873976 DOI: 10.3389/fgene.2022.775123] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 01/19/2022] [Indexed: 01/23/2023] Open
Abstract
Congenital bilateral absence of the vas deferens (CBAVD) is clinically characterized by the absence of the bilateral vas deferens; the main clinical manifestation is infertility, accounting for 1–2% of male infertility cases. CBAVD may be accompanied by congenital abnormalities in the urogenital system and cystic fibrosis (CF)-related clinical manifestations. CBAVD can develop as a mild manifestation of CF or can be isolated. The main pathogenic mechanism of CBAVD is gene mutation, and CBAVD and CF have a common genetic mutation background. CFTR mutation is the main pathogenic cause of CBAVD and CF, and ADGRG2 mutation is the second most common cause. Although lack of the vas deferens in CBAVD patients causes infertility due to the inability to release sperm, the testes of CBAVD patients have spermatogenic function. Therefore, CBAVD patients can achieve fertility through sperm retrieval surgery and assisted reproductive technology (ART). However, gene mutations in CBAVD patients can have an impact on the ART outcome, and there is a risk of passing on gene mutations to offspring. For CBAVD patients and their spouses, performing genetic counseling (which currently refers mainly to CFTR mutation screening) helps to reduce the risks of genetic mutations being passed on to offspring and of offspring having CF with concomitant CBAVD.
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Huang Y, Paul G, Lee J, Yarlagadda S, McCoy K, Naren AP. Elexacaftor/Tezacaftor/Ivacaftor Improved Clinical Outcomes in an N1303K-CFTR Patient Based on in vitro Experimental Evidence. Am J Respir Crit Care Med 2021; 204:1231-1235. [PMID: 34379998 DOI: 10.1164/rccm.202101-0090le] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Affiliation(s)
- Yunjie Huang
- Cincinnati Children's Hospital Medical Center, 2518, Division of Pulmonary Medicine, Cincinnati, Ohio, United States
| | - Grace Paul
- Nationwide Children's Hospital, 2650, Division of Pulmonary and Sleep Medicine, Columbus, Ohio, United States
| | - Jesun Lee
- Cincinnati Children's Hospital Medical Center, 2518, Division of Pulmonary Medicine, Cincinnati, Ohio, United States
| | - Sunitha Yarlagadda
- Cincinnati Children\'s Hospital Medical Center, 2518, Division of Pulmonary Medicine, Cincinnati, Ohio, United States
| | - Karen McCoy
- Nationwide Children's Hospital, 2650, Division of Pulmonary and Sleep Medicine, Columbus, Ohio, United States
| | - Anjaparavanda P Naren
- Cincinnati Children's Hospital Medical Center, 2518, Division of Pulmonary Medicine, Cincinnati, Ohio, United States;
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Jiang M, Li Z, Fu S, Xu Y, Tan Y, Jia W, Jiang Z, Mo N, Wei X, Zhang R, Zhang Z, Jiang G, Yang X. IVS8-5T Allele of CFTR is the Risk Factor in Chronic Pancreatitis, Especially in Idiopathic Chronic Pancreatitis. Am J Med Sci 2020; 360:55-63. [PMID: 32439152 DOI: 10.1016/j.amjms.2020.04.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 04/04/2020] [Accepted: 04/17/2020] [Indexed: 01/12/2023]
Abstract
BACKGROUND Cystic fibrosis transmembrane conductance regulator IVS8-5T gene variation appears to be associated with a higher risk of chronic pancreatitis (CP); however, there is inconsistency between previous reported studies. Here, we performed a meta-analysis to investigate this relationship. MATERIALS AND METHODS PubMed and WANFANG databases were searched for the case-control studies that contained Patients with CP with IVS8-5T variation. Odd ratios (ORs) and 95% confidence intervals (CIs) were calculated to assess the relevance of IVS8-5T gene variation and CP. RESULTS Analysis showed that the frequency of the 5T allele was significantly higher in CP subjects than that in control subjects (OR = 1.43, 95% CI: 1.13-1.81, I2 = 1.2%). Based on the subgroup analysis stratified by etiology, the 5T allele was associated with a higher risk of idiopathic chronic pancreatitis (ICP) (OR = 1.80, 95% CI: 1.18-2.76, I2 = 0.0%) and not alcoholic CP (OR = 2.14, 95% CI: 0.98-4.66, I2 = 0.0%). Further study indicated that the 5T allele was related to higher ICP prevalence in the European population (OR = 1.79, 95% CI: 1.06-3.03, I2 = 0.0%). In contrast, there was no significant difference between ICP subjects and healthy controls within the Asian population (OR = 1.84, 95% CI: 0.91-3.72, I2 = 38.0%). CONCLUSIONS Cystic fibrosis transmembrane conductance regulator IVS8-5T is a risk factor in patients with CP. IVS8-5T variation may play a significant role in the occurrence of ICP, especially in the European population.
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Affiliation(s)
- Min Jiang
- Medical Scientific Research Center, Guangxi Medical University, Nanning, Guangxi, China
| | - Zhouquan Li
- Scientific Research Center, Guilin Medical University, Nanning, Guilin, China
| | - Shien Fu
- Medical Scientific Research Center, Guangxi Medical University, Nanning, Guangxi, China
| | - Yanzhen Xu
- Medical Scientific Research Center, Guangxi Medical University, Nanning, Guangxi, China
| | - Yanjun Tan
- Medical Scientific Research Center, Guangxi Medical University, Nanning, Guangxi, China
| | - Wenxian Jia
- Medical Scientific Research Center, Guangxi Medical University, Nanning, Guangxi, China
| | - Zhiwen Jiang
- Medical Scientific Research Center, Guangxi Medical University, Nanning, Guangxi, China
| | - Nanfang Mo
- Medical Scientific Research Center, Guangxi Medical University, Nanning, Guangxi, China
| | - Xinyan Wei
- Medical Scientific Research Center, Guangxi Medical University, Nanning, Guangxi, China
| | - Ruoheng Zhang
- Penn State College of Medicine, Hershey, Pennsylvania
| | - Zaiping Zhang
- Penn State College of Medicine, Hershey, Pennsylvania
| | - Guangjian Jiang
- Diabetes Research Center, Beijing University of Chinese Medicine, Beijing, China..
| | - Xiaoli Yang
- Medical Scientific Research Center, Guangxi Medical University, Nanning, Guangxi, China; Scientific Research Center, Guilin Medical University, Nanning, Guilin, China.
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Kilinc AA, Alishbayli G, Taner HE, Cokugras FC, Cokugras H. Clinical characteristics and genetic analysis of cystic fibrosis transmembrane conductance reseptor-related disease. Pediatr Int 2020; 62:629-633. [PMID: 32003094 DOI: 10.1111/ped.14173] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Accepted: 01/22/2020] [Indexed: 01/22/2023]
Abstract
BACKGROUND Cystic fibrosis (CF) transmembrane conductance receptor (CFTR)-related disease is diagnosed in patients affected by CFTR dysfunction who do not fully meet the CF diagnostic criteria. Only 2% of all CF patients have CFTR-related disease. We define the demographic characteristics of such patients, described the performance of mutational analyses, and describe the clinical findings. METHODS Twenty-four patients were followed-up for CFTR-related disease. Patients with CF symptoms but who did not completely fulfil the CF diagnostic criteria were enrolled. Age, body mass index at the times of diagnosis and admission, symptoms, pulmonary function and fecal elastase test results, gene analyses, and clinical findings during follow-up were evaluated. RESULTS Ten patients (42%) were female and 14 (58%) male. Their mean age was 15.3 years (minimum-maximum 6-20 years). The mean age at diagnosis was 8.5 years (minimum-maximum 3-14 years) and the most common presenting complaint was a cough (n = 19). During follow up, chronic sinusitis developed in 15 patients, bronchiectasis in 13, nasal polyposis in six, failure to thrive in three, recurrent pancreatitis in two, asthma in one, and congenital bilateral absence of the vas deferens in one. Fecal elastase levels were low in only one of the three patients who failed to thrive. In terms of CFTR gene mutations, two were found in 10 patients, one in eight patients, and none in six. CONCLUSIONS Cystic fibrosis transmembrane conductance receptor-related disease presents with various clinical findings. Serious symptoms may develop later in life. Late diagnosis significantly compromises the quality and duration of life in such patients.
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Affiliation(s)
- Ayse Ayzit Kilinc
- Department of Pediatric Pulmonology, Cerrahpasa Faculty of Medicine, İstanbul University-Cerrahpasa, İstanbul, Turkey
| | - Gulizar Alishbayli
- Department of Pediatrics, Cerrahpasa Faculty of Medicine, İstanbul University- Cerrahpasa, İstanbul, Turkey
| | - Hasan Emir Taner
- Department of Pediatrics, Cerrahpasa Faculty of Medicine, İstanbul University- Cerrahpasa, İstanbul, Turkey
| | - Fugen Cullu Cokugras
- Department of Pediatric Gastroenterology, Cerrahpasa Faculty of Medicine, İstanbul University-Cerrahpasa, İstanbul, Turkey
| | - Haluk Cokugras
- Department of Pediatric Pulmonology, Cerrahpasa Faculty of Medicine, İstanbul University-Cerrahpasa, İstanbul, Turkey
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Villalona S, Glover-López G, Ortega-García JA, Moya-Quiles R, Mondejar-López P, Martínez-Romero MC, Rigabert-Montiel M, Pastor-Vivero MD, Sánchez-Solís M. R248G cystic fibrosis transmembrane conductance regulator mutation in three siblings presenting with recurrent acute pancreatitis and reproductive issues: a case series. J Med Case Rep 2017; 11:42. [PMID: 28196530 PMCID: PMC5310058 DOI: 10.1186/s13256-016-1181-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Accepted: 12/14/2016] [Indexed: 11/10/2022] Open
Abstract
Background Mutational combinations of the cystic fibrosis transmembrane conductance regulator, CFTR, gene have different phenotypic manifestations at the molecular level with varying clinical consequences for individuals possessing such mutations. Reporting cystic fibrosis transmembrane conductance regulator mutations is important in understanding the genotype-phenotype correlations and associated clinical presentations in patients with cystic fibrosis. Understanding the effects of mutations is critical in developing appropriate treatments for individuals affected with cystic fibrosis, non-classic cystic fibrosis, or cystic fibrosis transmembrane conductance regulator-related disorders. This is the first report of related individuals possessing the R248G missense cystic fibrosis transmembrane conductance regulator mutation and we present their associated clinical histories. Case presentation All three patients are of Spanish descent. Deoxyribonucleic acid analysis revealed that all three siblings possessed a novel c.742A>G mutation, resulting in a p.Arg248Gly (R248G) amino acid change in exon 6 in trans with the known N1303K mutant allele. Case 1 patient is a 39-year-old infertile man presenting with congenital unilateral absence of the vas deferens and recurrent episodes of epigastric pain. Case 2 patient is a 32-year-old woman presenting with periods of infertility, two previous spontaneous abortions, recurrent epigastric pain, and recurrent pancreatitis. Case 3 patient is a 29-year-old woman presenting with recurrent pancreatitis and epigastric pain. Conclusions We report the genotype-phenotype correlations and clinical manifestations of a novel R248G cystic fibrosis transmembrane conductance regulator mutation: congenital unilateral absence of the vas deferens in males, reduced female fertility, and recurrent acute pancreatitis. In addition, we discuss the possible functional consequences of the mutations at the molecular level. Electronic supplementary material The online version of this article (doi:10.1186/s13256-016-1181-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Seiichi Villalona
- Pediatric Environmental Health Specialty Unit, University Hospital Virgen of Arrixaca, Murcia, Spain
| | | | | | - Rosa Moya-Quiles
- Center of Clinical Genetics, University Hospital Virgen of Arrixaca, Murcia, Spain
| | - Pedro Mondejar-López
- Cystic Fibrosis Unit, Pediatric Neumology, University Hospital Virgen of Arrixaca, Murcia, Spain
| | | | | | - María D Pastor-Vivero
- Cystic Fibrosis Unit, Pediatric Neumology, University Hospital Virgen of Arrixaca, Murcia, Spain
| | - Manuel Sánchez-Solís
- Cystic Fibrosis Unit, Pediatric Neumology, University Hospital Virgen of Arrixaca, Murcia, Spain
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Shteinberg M, Downey DG, Beattie D, McCaughan J, Reid A, Stein N, Elborn JS. Lung function and disease severity in cystic fibrosis patients heterozygous for p.Arg117His. ERJ Open Res 2017; 3:00056-2016. [PMID: 28845426 PMCID: PMC5566269 DOI: 10.1183/23120541.00056-2016] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Accepted: 01/19/2017] [Indexed: 01/20/2023] Open
Abstract
Expression of p.Arg117His cystic fibrosis (CF) transmembrane conductance regulator is influenced by a polythymidine (poly-T) tract and a thymidine-guanine (TG) repeat on intron 9, which vary in length and affect exon 10 skipping. We compared clinical characteristics and the rate of progression of lung disease of CF patients carrying the p.Arg117His mutation with different intron 9 varying sequences (poly-T) and mutation classes in trans. Data were collected from patients in Northern Ireland, UK, including diagnostic features, sweat chloride, nutritional status, sputum microbiology, CF-related complications and lung function. Poly-T and TG repeats were determined by PCR. Forced expiratory volume in 1 s (FEV1) decline was determined from linear regression of FEV1 measurements of patients over time. We identified 62 patients with p.Arg117His, 55 with a class I/II mutation in trans and six with p.Arg117His/p.Gly551Asp. 42 patients had 5T and 13 had 7T. All patients had 12 TG repeats. Patients with p.Arg117His-5T had greater lung function decline, sweat chloride concentrations, pancreatic insufficiency and prevalence of Pseudomonas aeruginosa infection compared with patients with p.Arg117His-7T. Lung function decline and disease severity in p.Arg117His is determined by the poly-T tract length and identity of the mutation in trans. Patients with p.Arg117His-5T and a second class I/II mutation have a severity similar to p.Phe508del homozygous patients, although lung function decline is delayed to an older age. There may be linkage disequilibrium between p.Arg117His and 12 TG repeats.
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Affiliation(s)
- Michal Shteinberg
- Northern Ireland Regional Adult Cystic Fibrosis Centre, Belfast Health and Social Care Trust, Belfast, UK
- Pulmonology and CF Center, Carmel Medical Center and Rappaport Faculty of Medicine, Haifa, Israel
- Queen's University of Belfast, Belfast, UK
| | - Damian G. Downey
- Northern Ireland Regional Adult Cystic Fibrosis Centre, Belfast Health and Social Care Trust, Belfast, UK
- Queen's University of Belfast, Belfast, UK
| | - Diane Beattie
- Northern Ireland Regional Adult Cystic Fibrosis Centre, Belfast Health and Social Care Trust, Belfast, UK
| | - John McCaughan
- Northern Ireland Regional Paediatric Cystic Fibrosis Centre, Royal Belfast Hospital for Sick Children, Belfast Health and Social Care Trust, Belfast, UK
| | - Alastair Reid
- Northern Ireland Regional Paediatric Cystic Fibrosis Centre, Royal Belfast Hospital for Sick Children, Belfast Health and Social Care Trust, Belfast, UK
| | - Nili Stein
- Pulmonology and CF Center, Carmel Medical Center and Rappaport Faculty of Medicine, Haifa, Israel
| | - J. Stuart Elborn
- Northern Ireland Regional Adult Cystic Fibrosis Centre, Belfast Health and Social Care Trust, Belfast, UK
- Queen's University of Belfast, Belfast, UK
- Imperial College and Royal Brompton Hospital, London, UK
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Shahin WA, Mehaney DA, El-Falaki MM. Mutation spectrum of Egyptian children with cystic fibrosis. SPRINGERPLUS 2016; 5:686. [PMID: 27347467 PMCID: PMC4899348 DOI: 10.1186/s40064-016-2338-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Accepted: 05/11/2016] [Indexed: 01/10/2023]
Abstract
Objective To know the common CFTR mutations in the Egyptian patients with cystic fibrosis as it was previously thought to be uncommon disease in Egypt. Methods This is a cross sectional study of 60 patients diagnosed as cystic fibrosis by sweat chloride testing. They were enrolled from the Allergy and Pulmonology Unit Children’s Hospital Cairo University. They were screened for the presence of the frequent 36 mutations in Caucasians by reverse hybridization line probe technique, using INNO-LiPACFTR19 and CFTR17 + Tn kits. Results Most of patients presented with classic manifestations of CF such as variable pulmonary disease and pancreatic insufficiency, and hepatomegaly with or without ascites. The mutations detected were F508 del (58 %), 2183AA/G (10 %), N1303K (6 %), I148T (4 %), W1282X (4 %), G155D (2 %), CFTRdel2-3 (21 KB) (2 %), 3199del6 (2 %), R347P (2 %). Unique to the Egyptian population are these mutations R1162X and A544E (6, 4 %) respectively they were found in our cohort study and were not reported elsewhere in the Arab population till now. There was no association between the initial clinical presentation of CF and the genotypes detected. Conclusion The F508 del is still the most commonly encountered mutation (58 %), however other rare mutations were identified where each ranged from (2 to 10 %).
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Affiliation(s)
| | - Dina Ahmed Mehaney
- Department of Clinical and Chemical Pathology, Cairo University, Cairo, Egypt
| | - Mona Mostafa El-Falaki
- Department of Allergy and Pulmonology, Children's Hospital, Cairo University, Cairo, Egypt
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Impact of IVS8-(TG)m(T)n on IRT and sweat chloride levels in newborns identified by California CF newborn screening. J Cyst Fibros 2012; 11:257-60. [DOI: 10.1016/j.jcf.2011.11.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2011] [Accepted: 11/25/2011] [Indexed: 11/20/2022]
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