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Bakhat K, Mateen I, Saif H, Anwar K, Sarfraz S, Javaid S, Ur Rehman K, Arshad A, Mustafa M. CFTR Exon 10 deleterious mutations in patients with congenital bilateral absence of vas deferens in a cohort of Pakistani patients. Arch Ital Urol Androl 2024; 96:12464. [PMID: 39356031 DOI: 10.4081/aiua.2024.12464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Accepted: 04/05/2024] [Indexed: 10/03/2024] Open
Abstract
Congenital bilateral absence of vas deferens (CBAVD) is a urological syndrome of Wolffian ducts and is responsible for male infertility and obstructive azoospermia. This study is designed to explore the integrity of exon 10 of CFTR and its role in male infertility in a cohort of CBVAD patients in Pakistan. Genomic DNA was extracted from 17 male patients with CBAVD having clinical symptoms, and 10 healthy controls via phenol-chloroform method. Exon 10 of the CFTR gene was amplified, using PCR with specific primers and DNA screening was done by Sanger sequencing. Sequencing results were analyzed using freeware Serial Cloner, SnapGene, BioEdit and FinchTV. Furthermore, bioinformatics tools were used to analyze the mutations and their impact on the protein function and stability. We have identified 4 mutations on exon 10 of CFTR in 6 out of 17 patients. Two of the mutations were missense variants V456A, K464E, and the other two were silent mutations G437G, S431S. The identified variant V456A was present in 4 of the studied patients. Whereas, the presence of K464E in our patients further weighs on the crucial importance for its strategic location to influence the gene function at post-transcriptional and protein level. Furthermore, Polyphen-2 and SIFT analyze the mutations as harmful and deleterious. The recurrence of V456A and tactically conserved locality of K464E are evidence of their potential role in CBAVD patients and in male infertility. The data can contribute in developing genetic testing and treatment of CBAVD.
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Affiliation(s)
- Khush Bakhat
- KAM School of Life Science, Forman Christian College, (A Chartered University), Lahore.
| | - Irsa Mateen
- School of Biochemistry, Minhaj University, Lahore.
| | - Hina Saif
- Department of Emerging Allied Health Technologies, University of Lahore.
| | - Kanwal Anwar
- KAM School of Life Science, Forman Christian College, (A Chartered University), Lahore.
| | - Sadaf Sarfraz
- KAM School of Life Science, Forman Christian College, (A Chartered University), Lahore.
| | - Sheza Javaid
- KAM School of Life Science, Forman Christian College, (A Chartered University), Lahore.
| | - Khaleeq Ur Rehman
- Department of Urology, Fatima Memorial Hospital College of Medicine & Dentistry, Lahore.
| | - Adnan Arshad
- KAM School of Life Science, Forman Christian College, (A Chartered University), Lahore.
| | - Muhammad Mustafa
- KAM School of Life Science, Forman Christian College, (A Chartered University), Lahore.
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2
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Suvarna K, Jayabal P, Ma X, Wang H, Chen Y, Weintraub ST, Han X, Houghton PJ, Shiio Y. Ceramide-induced cleavage of GPR64 intracellular domain drives Ewing sarcoma. Cell Rep 2024; 43:114497. [PMID: 39024100 PMCID: PMC11416865 DOI: 10.1016/j.celrep.2024.114497] [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: 12/17/2023] [Revised: 05/07/2024] [Accepted: 06/27/2024] [Indexed: 07/20/2024] Open
Abstract
Ewing sarcoma is a cancer of bone and soft tissue in children and young adults primarily driven by the EWS-FLI1 fusion oncoprotein, which has been undruggable. Here, we report that Ewing sarcoma depends on secreted sphingomyelin phosphodiesterase 1 (SMPD1), a ceramide-generating enzyme, and ceramide. We find that G-protein-coupled receptor 64 (GPR64)/adhesion G-protein-coupled receptor G2 (ADGRG2) responds to ceramide and mediates critical growth signaling in Ewing sarcoma. We show that ceramide induces the cleavage of the C-terminal intracellular domain of GPR64, which translocates to the nucleus and restrains the protein levels of RIF1 in a manner dependent on SPOP, a substrate adaptor of the Cullin3-RING E3 ubiquitin ligase. We demonstrate that both SMPD1 and GPR64 are transcriptional targets of EWS-FLI1, indicating that SMPD1 and GPR64 are EWS-FLI1-induced cytokine-receptor dependencies. These results reveal the SMPD1-ceramide-GPR64 pathway, which drives Ewing sarcoma growth and is amenable to therapeutic intervention.
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Affiliation(s)
- Kruthi Suvarna
- Greehey Children's Cancer Research Institute, The University of Texas Health Science Center, San Antonio, TX 78229, USA
| | - Panneerselvam Jayabal
- Greehey Children's Cancer Research Institute, The University of Texas Health Science Center, San Antonio, TX 78229, USA
| | - Xiuye Ma
- Greehey Children's Cancer Research Institute, The University of Texas Health Science Center, San Antonio, TX 78229, USA
| | - Hu Wang
- Barshop Institute for Longevity and Aging Studies, The University of Texas Health Science Center, San Antonio, TX 78229, USA
| | - Yidong Chen
- Greehey Children's Cancer Research Institute, The University of Texas Health Science Center, San Antonio, TX 78229, USA; Department of Population Health Sciences, The University of Texas Health Science Center, San Antonio, TX 78229, USA; Mays Cancer Center, The University of Texas Health Science Center, San Antonio, TX 78229, USA
| | - Susan T Weintraub
- Mays Cancer Center, The University of Texas Health Science Center, San Antonio, TX 78229, USA; Department of Biochemistry and Structural Biology, The University of Texas Health Science Center, San Antonio, TX 78229, USA
| | - Xianlin Han
- Barshop Institute for Longevity and Aging Studies, The University of Texas Health Science Center, San Antonio, TX 78229, USA; Mays Cancer Center, The University of Texas Health Science Center, San Antonio, TX 78229, USA; Department of Medicine, The University of Texas Health Science Center, San Antonio, TX 78229, USA
| | - Peter J Houghton
- Greehey Children's Cancer Research Institute, The University of Texas Health Science Center, San Antonio, TX 78229, USA; Mays Cancer Center, The University of Texas Health Science Center, San Antonio, TX 78229, USA; Department of Molecular Medicine, The University of Texas Health Science Center, San Antonio, TX 78229, USA
| | - Yuzuru Shiio
- Greehey Children's Cancer Research Institute, The University of Texas Health Science Center, San Antonio, TX 78229, USA; Mays Cancer Center, The University of Texas Health Science Center, San Antonio, TX 78229, USA; Department of Biochemistry and Structural Biology, The University of Texas Health Science Center, San Antonio, TX 78229, USA.
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3
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Sasaki T, Suzuki S, Ono M, Yamamoto A, Bingo M, Yamanaka G, Kuroda M, Inagaki N, Nishi H. Case report: Rare heterozygous variant in the NR5A1 gene causing 46,XY complete gonadal dysgenesis with a non-communicating rudimentary uterus. Front Med (Lausanne) 2024; 11:1441990. [PMID: 39149602 PMCID: PMC11324534 DOI: 10.3389/fmed.2024.1441990] [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: 05/31/2024] [Accepted: 07/22/2024] [Indexed: 08/17/2024] Open
Abstract
The nuclear receptor subfamily 5 group A member 1 (NR5A1) gene encodes NR5A1, also known as steroidogenic factor 1, a crucial transcriptional factor regulating adrenal and gonadal development and function. Although pathogenic variants in NR5A1 are known to cause a spectrum of disorders of sex development (DSD), individuals with 46,XY DSD with fully female internal and external genitalia are relatively rare. Herein, we present the case of a patient with 46,XY complete gonadal dysgenesis (CGD) who had a non-communicating rudimentary uterus due to a c.132_134del (p.Asn44del) heterozygous in-frame-deletion in NR5A1 that was diagnosed while treating a pelvic mass in which gynecological malignancy could not be disregarded. Unlike two previous cases with the p.Asn44del variant, this case presented with CGD, a severe DSD phenotype, and we found that the oligogenic inheritance of DSD-causative genes such as SRY, DHX37, SLC26A8, and CFTR may have affected the severity of the clinical phenotype.
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Affiliation(s)
- Toru Sasaki
- Department of Obstetrics and Gynecology, Tokyo Medical University, Tokyo, Japan
| | - Shinji Suzuki
- Department of Pediatrics, Tokyo Medical University, Tokyo, Japan
| | - Masanori Ono
- Department of Obstetrics and Gynecology, Tokyo Medical University, Tokyo, Japan
| | - Akiko Yamamoto
- Department of Obstetrics and Gynecology, Tokyo Medical University, Tokyo, Japan
| | - Masato Bingo
- Department of Clinical Genetics Center, Tokyo Medical University, Tokyo, Japan
- Department of Laboratory Medicine, Tokyo Medical University, Tokyo, Japan
| | - Gaku Yamanaka
- Department of Pediatrics, Tokyo Medical University, Tokyo, Japan
| | - Masahiko Kuroda
- Department of Molecular Pathology, Tokyo Medical University, Tokyo, Japan
| | - Natsuko Inagaki
- Department of Clinical Genetics Center, Tokyo Medical University, Tokyo, Japan
- Department of Cardiology, Tokyo Medical University, Tokyo, Japan
| | - Hirotaka Nishi
- Department of Obstetrics and Gynecology, Tokyo Medical University, Tokyo, Japan
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4
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Simmonds NJ, Southern KW, De Wachter E, De Boeck K, Bodewes F, Mainz JG, Middleton PG, Schwarz C, Vloeberghs V, Wilschanski M, Bourrat E, Chalmers JD, Ooi CY, Debray D, Downey DG, Eschenhagen P, Girodon E, Hickman G, Koitschev A, Nazareth D, Nick JA, Peckham D, VanDevanter D, Raynal C, Scheers I, Waller MD, Sermet-Gaudelus I, Castellani C. ECFS standards of care on CFTR-related disorders: Identification and care of the disorders. J Cyst Fibros 2024; 23:590-602. [PMID: 38508949 DOI: 10.1016/j.jcf.2024.03.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 02/06/2024] [Accepted: 03/08/2024] [Indexed: 03/22/2024]
Abstract
This is the third paper in the series providing updated information and recommendations for people with cystic fibrosis transmembrane conductance regulator (CFTR)-related disorder (CFTR-RD). This paper covers the individual disorders, including the established conditions - congenital absence of the vas deferens (CAVD), diffuse bronchiectasis and chronic or acute recurrent pancreatitis - and also other conditions which might be considered a CFTR-RD, including allergic bronchopulmonary aspergillosis, chronic rhinosinusitis, primary sclerosing cholangitis and aquagenic wrinkling. The CFTR functional and genetic evidence in support of the condition being a CFTR-RD are discussed and guidance for reaching the diagnosis, including alternative conditions to consider and management recommendations, is provided. Gaps in our knowledge, particularly of the emerging conditions, and future areas of research, including the role of CFTR modulators, are highlighted.
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Affiliation(s)
- N J Simmonds
- Adult Cystic Fibrosis Centre, Royal Brompton Hospital, London, UK; National Heart and Lung Institute, Imperial College London, UK.
| | - K W Southern
- Department of Women's and Children's Health, University of Liverpool, University of Liverpool, Alder Hey Children's Hospital, Liverpool, UK
| | - E De Wachter
- Cystic Fibrosis Center, Pediatric Pulmonology department, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - K De Boeck
- Department of Pediatrics, University of Leuven, Leuven, Belgium
| | - F Bodewes
- Pediatric Gastroenterology and Hepatology, Department of Pediatrics, University of Groningen Medical Center, Groningen, the Netherlands
| | - J G Mainz
- Cystic Fibrosis Center, Brandenburg Medical School (MHB), University, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany
| | - P G Middleton
- Cystic Fibrosis and Bronchiectasis Service, Department of Respiratory and Sleep Medicine, Westmead Hospital, Sydney, News South Wales, Australia
| | - C Schwarz
- HMU-Health and Medical University Potsdam, CF Center Westbrandenburg, Campus Potsdam, Germany
| | - V Vloeberghs
- Brussels IVF, Centre for Reproductive Medicine, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - M Wilschanski
- CF Center, Department of Pediatrics, Hadassah Medical Center and Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - E Bourrat
- APHP, Service de Dermatologie, CRMR MAGEC Nord St Louis, Hôpital-Saint Louis, Paris, France
| | - J D Chalmers
- Division of Molecular and Clinical Medicine, University of Dundee, Dundee, UK
| | - C Y Ooi
- a) School of Clinical Medicine, Discipline of Paediatrics and Child Health, Medicine & Health, University of New South Wales, Level 8, Centre for Child Health Research & Innovation Bright Alliance Building Cnr Avoca & High Streets, Randwick, Sydney, NSW, Australia, 2031; b) Sydney Children's Hospital, Gastroenterology Department, High Street, Randwick, Sydney, NSW, Australia, 2031
| | - D Debray
- Pediatric Hepatology unit, Centre de Référence Maladies Rares (CRMR) de l'atrésie des voies biliaires et cholestases génétiques (AVB-CG), National network for rare liver diseases (Filfoie), ERN rare liver, Hôpital Necker-Enfants Malades, AP-HP, Université de Paris, Paris, France; Sorbonne Université, INSERM, Centre de Recherche Saint-Antoine (CRSA), Institute of Cardiometabolism and Nutrition (ICAN), Paris, France
| | - D G Downey
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, Belfast, UK
| | | | - E Girodon
- Service de Médecine Génomique des Maladies de Système et d'Organe, APHP.Centre - Université de Paris Cité, Hôpital Cochin, Paris, France
| | - G Hickman
- APHP, Service de Dermatologie, CRMR MAGEC Nord St Louis, Hôpital-Saint Louis, Paris, France
| | - A Koitschev
- Klinikum Stuttgart, Pediatric Otorhinolaryngology, Stuttgart, Germany
| | - D Nazareth
- a) Adult CF Unit, Liverpool Heart and Chest Hospital NHS Foundation Trust, U.K; b) Clinical Infection, Microbiology and Immunology, University of Liverpool, UK
| | - J A Nick
- Department of Medicine, National Jewish Health, Denver, CO, 80206, USA, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, 80045, USA
| | - D Peckham
- Leeds Institute of Medical Research, University of Leeds, Leeds, United Kingdom
| | - D VanDevanter
- Department of Pediatrics, School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
| | - C Raynal
- Laboratory of molecular genetics, University Hospital of Montpellier and INSERM U1046 PHYMEDEXP, Montpellier, France
| | - I Scheers
- Department of Pediatrics, Pediatric Gastroenterology and Hepatology Unit, Cliniques Universitaires Saint Luc, Université Catholique de Louvain, Brussels, Belgium
| | - M D Waller
- Adult Cystic Fibrosis and Respiratory Medicine, King's College Hospital NHS Foundation Trust, London, United Kingdom; Honorary Senior Lecturer, King's College London, London, United Kingdom
| | - I Sermet-Gaudelus
- INSERM U1151, Institut Necker Enfants Malades, Paris, France; Université de Paris, Paris, France; Centre de référence Maladies Rares, Mucoviscidose et maladies apparentées, Hôpital Necker Enfants malades, Paris, France
| | - C Castellani
- IRCCS Istituto Giannina Gaslini, Cystic Fibrosis Center, Genoa, Italy
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5
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De Wachter E, De Boeck K, Sermet-Gaudelus I, Simmonds NJ, Munck A, Naehrlich L, Barben J, Boyd C, Veen SJ, Carr SB, Fajac I, Farrell PM, Girodon E, Gonska T, Grody WW, Jain M, Jung A, Kerem E, Raraigh KS, van Koningsbruggen-Rietschel S, Waller MD, Southern KW, Castellani C. ECFS standards of care on CFTR-related disorders: Towards a comprehensive program for affected individuals. J Cyst Fibros 2024; 23:388-397. [PMID: 38388234 DOI: 10.1016/j.jcf.2024.01.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 01/25/2024] [Accepted: 01/29/2024] [Indexed: 02/24/2024]
Abstract
After three publications defining an updated guidance on the diagnostic criteria for people with cystic fibrosis transmembrane conductance regulator (CFTR)-related disorders (pwCFTR-RDs), establishing its relationship to CFTR-dysfunction and describing the individual disorders, this fourth and last paper in the series addresses some critical challenges facing health care providers and pwCFTR-RD. Topics included are: 1) benefits and obstacles to collect data from pwCFTR-RD are discussed, together with the opportunity to integrate them into established CF-registries; 2) the potential of infants designated CRMS/CFSPID to develop a CFTR-RD and how to communicate this information; 3) a description of the challenges in genetic counseling, with particular regard to phenotypic variability, unknown long-term evolution, CFTR testing and pregnancy termination 4) a proposal for the assessment of potential barriers to the implementation and dissemination of the produced documents to health care professionals involved in the care of pwCFTR-RD and a process to monitor the implementation of the CFTR-RD recommendations; 5) clinical trials investigating the efficacy of CFTR modulators in CFTR-RD and how endpoints and outcomes might be adapted to the heterogeneity of these disorders.
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Affiliation(s)
- E De Wachter
- Cystic Fibrosis Center, Pediatric Pulmonology department, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium.
| | - K De Boeck
- Department of Pediatrics, University of Leuven, Leuven, Belgium
| | - I Sermet-Gaudelus
- INSERM U1151, Institut Necker Enfants Malades, Paris, France; Université de Paris, Paris, France; Centre de référence Maladies Rares, Mucoviscidose et maladies apparentées. Hôpital Necker Enfants malades, Paris, France
| | - N J Simmonds
- Adult Cystic Fibrosis Centre, Royal Brompton Hospital and Imperial College, London, UK
| | - A Munck
- Paediatric Cystic Fibrosis centre, Hôpital Necker Enfants Malades, AP-HP Paris, France
| | - L Naehrlich
- Department of Pediatrics, Justus-Liebig-University Giessen, Germany
| | - J Barben
- Paediatric Pulmonology & CF Centre, Children's Hospital of Eastern Switzerland, St. Gallen, Switzerland
| | | | | | - S B Carr
- Department of Paediatric Respiratory Medicine, Royal Brompton Hospital, and Imperial College, London, UK
| | - I Fajac
- Assistance Publique-Hôpitaux de Paris, Thoracic Department and National Cystic Fibrosis Reference Centre, Cochin Hospital, 75014 Paris, France; Université Paris Cité, Inserm U1016, Institut Cochin, 75014 Paris, France
| | - P M Farrell
- Departments of Pediatrics and Population Health Sciences, University of Wisconsin School of Medicine and Public Health, Madison, WI 53792, USA
| | - E Girodon
- Service de Médecine Génomique des Maladies de Système et d'Organe, APHP.Centre - Université de Paris Cité, Hôpital Cochin, Paris, France
| | - T Gonska
- Division of Pediatric Gastroenterology, Hepatology, Nutrition, Department of Pediatrics, University of Toronto, Toronto, Ontario, Canada; Program of Translational Medicine, Research institute, Hospital for Sick Children, Toronto, Canada
| | - W W Grody
- Departments of Pathology & Laboratory Medicine, Pediatrics, and Human Genetics, UCLA School of Medicine, Los Angeles, California 90095-1732, USA
| | - M Jain
- Northwestern University Feinberg School of Medicine, Pulmonary Critical Care, Chicago, Illinois, United States
| | - A Jung
- University Children`s Hospital Zurich, Steinwiesstrasse 75, CH-8032 Zurich, Switzerland
| | - E Kerem
- Department of Pediatrics and CF Center, Hadassah Hebrew University medical Center, Jerusalem, Israel
| | - K S Raraigh
- Department of Genetic Medicine, Johns Hopkins University, Baltimore, MD 21287, USA
| | | | - M D Waller
- Department of Adult Cystic Fibrosis and Respiratory Medicine, King's College Hospital NHS Foundation Trust, London, United Kingdom; Centre for Human & Applied Physiological Sciences, King's College London, London, United Kingdom
| | - K W Southern
- Department of Women's and Children's Health, University of Liverpool, Alder Hey Children's Hospital, Liverpool, UK
| | - C Castellani
- IRCCS Istituto Giannina Gaslini, Cystic Fibrosis Center, Genoa, Italy
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6
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Sonigo C, Robin G, Boitrelle F, Fraison E, Sermondade N, Mathieu d'Argent E, Bouet PE, Dupont C, Creux H, Peigné M, Pirrello O, Trombert S, Lecorche E, Dion L, Rocher L, Arama E, Bernard V, Monnet M, Miquel L, Birsal E, Haïm-Boukobza S, Plotton I, Ravel C, Grzegorczyk-Martin V, Huyghe É, Dupuis HGA, Lefebvre T, Leperlier F, Bardet L, Lalami I, Robin C, Simon V, Dijols L, Riss J, Koch A, Bailly C, Rio C, Lebret M, Jegaden M, Fernandez H, Pouly JL, Torre A, Belaisch-Allart J, Antoine JM, Courbiere B. [First-line management of infertile couple. Guidelines for clinical practice of the French College of Obstetricians and Gynecologists 2022]. GYNECOLOGIE, OBSTETRIQUE, FERTILITE & SENOLOGIE 2024; 52:305-335. [PMID: 38311310 DOI: 10.1016/j.gofs.2024.01.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 01/25/2024] [Indexed: 02/10/2024]
Abstract
OBJECTIVE To update the 2010 CNGOF clinical practice guidelines for the first-line management of infertile couples. MATERIALS AND METHODS Five major themes (first-line assessment of the infertile woman, first-line assessment of the infertile man, prevention of exposure to environmental factors, initial management using ovulation induction regimens, first-line reproductive surgery) were identified, enabling 28 questions to be formulated using the Patients, Intervention, Comparison, Outcome (PICO) format. Each question was addressed by a working group that had carried out a systematic review of the literature since 2010, and followed the Grading of Recommendations Assessment, Development and Evaluation (GRADE®) methodology to assess the quality of the scientific data on which the recommendations were based. These recommendations were then validated during a national review by 40 national experts. RESULTS The fertility work-up is recommended to be prescribed according to the woman's age: after one year of infertility before the age of 35 and after 6months after the age of 35. A couple's initial infertility work-up includes a single 3D ultrasound scan with antral follicle count, assessment of tubal permeability by hysterography or HyFOSy, anti-Mullerian hormone assay prior to assisted reproduction, and vaginal swabbing for vaginosis. If the 3D ultrasound is normal, hysterosonography and diagnostic hysteroscopy are not recommended as first-line procedures. Chlamydia trachomatis serology does not have the necessary performance to predict tubal patency. Post-coital testing is no longer recommended. In men, spermogram, spermocytogram and spermoculture are recommended as first-line tests. If the spermogram is normal, it is not recommended to check the spermogram. If the spermogram is abnormal, an examination by an andrologist, an ultrasound scan of the testicles and hormonal test are recommended. Based on the data in the literature, we are unable to recommend a BMI threshold for women that would contraindicate medical management of infertility. A well-balanced Mediterranean-style diet, physical activity and the cessation of smoking and cannabis are recommended for infertile couples. For fertility concern, it is recommended to limit alcohol consumption to less than 5 glasses a week. If the infertility work-up reveals no abnormalities, ovulation induction is not recommended for normo-ovulatory women. If intrauterine insemination is indicated based on an abnormal infertility work-up, gonadotropin stimulation and ovulation monitoring are recommended to avoid multiple pregnancies. If the infertility work-up reveals no abnormality, laparoscopy is probably recommended before the age of 30 to increase natural pregnancy rates. In the case of hydrosalpinx, surgical management is recommended prior to ART, with either salpingotomy or salpingectomy depending on the tubal score. It is recommended to operate on polyps>10mm, myomas 0, 1, 2 and synechiae prior to ART. The data in the literature do not allow us to systematically recommend asymptomatic uterine septa and isthmoceles as first-line surgery. CONCLUSION Based on strong agreement between experts, we have been able to formulate updated recommendations in 28 areas concerning the initial management of infertile couples.
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Affiliation(s)
- Charlotte Sonigo
- Service de médecine de la reproduction et préservation de la fertilité, hôpital Antoine-Béclère, 157, rue de la Porte-Trivaux, 92140 Clamart, France; Faculté de médecine, université Paris-Sud Saclay, 63, rue Gabriel-Péri, 94270 Le Kremlin-Bicêtre, France
| | - Geoffroy Robin
- Service d'assistance médicale à la procréation et préservation de la fertilité, CHU de Lille, Lille, France
| | - Florence Boitrelle
- Service de biologie de la reproduction, préservation de fertilité, CECOS, CHI de Poissy, Poissy, France; INRAe, ENVA, BREED, UVSQ, université Paris Saclay, Jouy-en Josas, France
| | - Eloïse Fraison
- Département médecine de la reproduction, CHU Lyon, hôpital Femme-Mère-Enfant, 59, boulevard Pinel, 69500 Bron, France
| | - Nathalie Sermondade
- Service de biologie de la reproduction CECOS, hôpital Tenon, AP-HP, Sorbonne université, 75020 Paris, France; Inserm US938, centre de recherche Saint-Antoine, Sorbonne université, 75012 Paris, France
| | - Emmanuelle Mathieu d'Argent
- Service de gynécologie-obstétrique et médecine de la reproduction, Dmu Origyne, hôpital Tenon, GHU Sorbonne université, AP-HP, 4, rue de la Chine, 75020 Paris, France
| | - Pierre-Emmanuel Bouet
- Service de gynécologie-obstétrique, centre hospitalier universitaire d'Angers, 4, rue Larrey, 49000 Angers, France
| | - Charlotte Dupont
- Service de biologie de la reproduction - CECOS, hôpital Tenon, AP-HP, Sorbonne université, 75012 Paris, France
| | - Hélène Creux
- Centre AMP, polyclinique Saint-Roch, 550, avenue du Colonel-André-Pavelet, 34070 Montpellier cedex, France
| | - Maeliss Peigné
- Service de médecine de la reproduction et préservation de la fertilité, hôpital Jean-Verdier-Béclère, avenue du 14-Juillet, Bondy, France
| | - Olivier Pirrello
- Service d'aide médicale à la procréation, centre médicochirurgical obstétrique (CMCO), CHU de Strasbourg, 19, rue Louis-Pasteur, 67303 Schiltigheim, France
| | - Sabine Trombert
- Laboratoire Cerba, 6-11, rue de l'Équerre, 95310 Saint-Ouen L'Aumône, France
| | - Emmanuel Lecorche
- Laboratoire Cerba, 6-11, rue de l'Équerre, 95310 Saint-Ouen L'Aumône, France
| | - Ludivine Dion
- Département de gynécologie-obstétrique et reproduction humaine - CECOS, hôpital Sud, CHU de Rennes, 16, boulevard de Bulgarie, 35000 Rennes, France
| | - Laurence Rocher
- Service de radiologie diagnostique et interventionnelle, site Bicêtre, hôpitaux Paris Sud, 94270 Le Kremlin-Bicêtre, France; Université Paris Sud, 63, rue Gabriel-Péri, 94270 Le Kremlin-Bicêtre, France; Service hospitalier Frédéric-Joliot, imagerie par résonance magnétique médicale et multimodalités, CNRS UMR8081, université Paris Sud, 4, place du Gal-Leclerc, 91401 Orsay cedex, France
| | - Emmanuel Arama
- Service de radiologie diagnostique et interventionnelle, site Bicêtre, hôpitaux Paris Sud, 94270 Le Kremlin-Bicêtre, France; Université Paris Sud, 63, rue Gabriel-Péri, 94270 Le Kremlin-Bicêtre, France; Service hospitalier Frédéric-Joliot, imagerie par résonance magnétique médicale et multimodalités, CNRS UMR8081, université Paris Sud, 4, place du Gal-Leclerc, 91401 Orsay cedex, France
| | - Valérie Bernard
- Service de chirurgie gynécologique, gynécologie médicale et médecine de la reproduction, centre Aliénor d'Aquitaine, CHU Pellegrin, Bordeaux, France
| | - Margaux Monnet
- Département de gynécologie médicale, maternité régionale de Nancy, hôpitaux universitaires de Nancy, Nancy, France
| | - Laura Miquel
- Service d'assistance médicale à la procréation, pôle Femmes-Parents-Enfants, hôpital de la Conception, AP-HM, 147, boulevard Baille, 13005 Marseille, France
| | - Eva Birsal
- Service d'assistance médicale à la procréation, pôle Femmes-Parents-Enfants, hôpital de la Conception, AP-HM, 147, boulevard Baille, 13005 Marseille, France
| | | | - Ingrid Plotton
- Service d'hormonologie, endocrinologie moléculaire et maladies rares, CPBE, groupement hospitalier Lyon-Est, Lyon-Bron, France; Université Claude-Bernard, Lyon 1, Lyon, France; Unité Inserm 1208, Lyon, France
| | - Célia Ravel
- Département de gynécologie-obstétrique et reproduction humaine - CECOS, hôpital Sud, CHU de Rennes, 16, boulevard de Bulgarie, 35000 Rennes, France
| | - Véronika Grzegorczyk-Martin
- Centre d'assistance médicale à la procréation et de préservation de la fertilité, clinique Mathilde, 76100 Rouen, France
| | - Éric Huyghe
- Département d'urologie, hôpital de Rangueil, CHU de Toulouse, Toulouse, France; Service de médecine de la reproduction, hôpital Paule-de-Viguier, CHU de Toulouse, Toulouse, France; Inserm 1203, UMR DEFE, université de Toulouse, université de Montpellier, Montpellier, France
| | - Hugo G A Dupuis
- Service d'urologie et d'andrologie, CHU - hôpitaux de Rouen, CHU Charles-Nicolle, 76031 Rouen, France
| | - Tiphaine Lefebvre
- Service de médecine et biologie de la reproduction - gynécologie médicale, centre hospitalier universitaire de Nantes, 38, boulevard Jean-Monnet, 44093 Nantes, France
| | - Florence Leperlier
- Service de médecine et biologie de la reproduction - gynécologie médicale, centre hospitalier universitaire de Nantes, 38, boulevard Jean-Monnet, 44093 Nantes, France
| | - Léna Bardet
- Service de gynécologie-obstétrique et médecine de la reproduction, Dmu Origyne, hôpital Tenon, GHU Sorbonne université, AP-HP, 4, rue de la Chine, 75020 Paris, France
| | - Imane Lalami
- Service de gynécologie-obstétrique et de médecine de la reproduction, grand hôpital de l'Est Francilien - site de Meaux, 6-8, rue Saint-Fiacre, 77100 Meaux, France
| | - Camille Robin
- Service d'assistance médicale à la procréation et préservation de la fertilité, CHU de Lille, Lille, France
| | - Virginie Simon
- Unité fonctionnelle de gynécologie endocrinienne, service de gynécologie médicale, orthogénie et sexologie, hôpital Jeanne-de-Flandre, CHU de Lille, avenue Eugène-Avinée, 59037 Lille cedex, France
| | - Laura Dijols
- Service de médecine de la reproduction et préservation de la fertilité, hôpital Bretonneau, CHU de Tours, Tours, France
| | - Justine Riss
- Service d'aide médicale à la procréation, centre médicochirurgical obstétrique (CMCO), CHU de Strasbourg, 19, rue Louis-Pasteur, 67303 Schiltigheim, France
| | - Antoine Koch
- Service d'aide médicale à la procréation, centre médicochirurgical obstétrique (CMCO), CHU de Strasbourg, 19, rue Louis-Pasteur, 67303 Schiltigheim, France
| | - Clément Bailly
- Service de biologie de la reproduction CECOS, hôpital Tenon, AP-HP, Sorbonne université, 75020 Paris, France; Inserm US938, centre de recherche Saint-Antoine, Sorbonne université, 75012 Paris, France
| | - Constance Rio
- Service de gynécologie-obstétrique, centre hospitalier universitaire d'Angers, 4, rue Larrey, 49000 Angers, France
| | - Marine Lebret
- Service de gynécologie-obstétrique, CHU Charles-Nicolle, 37, boulevard Gambetta, 76000 Rouen, France
| | - Margaux Jegaden
- Faculté de médecine, université Paris-Sud Saclay, 63, rue Gabriel-Péri, 94270 Le Kremlin-Bicêtre, France; Département de chirurgie gynécologique et obstétrique, hôpital Bicêtre, GHU-Sud, AP-HP, 78, rue du Général-Leclerc, 94270 Le Kremlin-Bicêtre, France
| | - Hervé Fernandez
- Faculté de médecine, université Paris-Sud Saclay, 63, rue Gabriel-Péri, 94270 Le Kremlin-Bicêtre, France; Département de chirurgie gynécologique et obstétrique, hôpital Bicêtre, GHU-Sud, AP-HP, 78, rue du Général-Leclerc, 94270 Le Kremlin-Bicêtre, France
| | - Jean-Luc Pouly
- Service de gynécologie chirurgicale, CHU Estaing, 1, place Lucie-et-Raymond-Aubrac, 63003 Clermont-Ferrand, France
| | - Antoine Torre
- Centre d'assistance médicale à la procréation clinicobiologique, centre hospitalier Sud Francilien Corbeil-Essonnes, 40, avenue Serge-Dassault, 91106 Corbeil-Essonnes, France
| | - Joëlle Belaisch-Allart
- Service de médecine de la reproduction, pôle Femme-Enfant, Centre hospitalier des 4 villes, rue Charles-Lauer, 92210 Saint-Cloud, France
| | - Jean-Marie Antoine
- Service de gynécologie-obstétrique et médecine de la reproduction, Dmu Origyne, hôpital Tenon, GHU Sorbonne université, AP-HP, 4, rue de la Chine, 75020 Paris, France
| | - Blandine Courbiere
- Service d'assistance médicale à la procréation, pôle Femmes-Parents-Enfants, hôpital de la Conception, AP-HM, 147, boulevard Baille, 13005 Marseille, France; IMBE, CNRS, IRD, Aix-Marseille université, Avignon université, Marseille, France.
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Nunziato M, Starnone F, Giordano S, D'Antonio M, Scognamiglio D, Esposito MV, Correra A, Di Maggio F, D'Argenio V, Scaglione GL, Castaldo G, Salvatore F. One-step NGS molecular analysis of the CFTR gene on newborn dried blood spots gives a higher diagnostic sensitivity in affected and carrier subjects: A pilot study. Clin Chim Acta 2024; 552:117625. [PMID: 37923102 DOI: 10.1016/j.cca.2023.117625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 10/31/2023] [Accepted: 10/31/2023] [Indexed: 11/07/2023]
Abstract
BACKGROUND Cystic fibrosis is the most common hereditary recessive disease with an incidence of about 1:2500/3000. It has long been known that the disease is caused by deleterious mutations in the CFTR gene. Conventionally, the disease is diagnosed in several phases. The analysis of all the possible disease-causing molecular alterations is time consuming and may not lead to a definitive diagnosis in several cases. Consequently, we propose, in this paper, a rapid sequencing method that, in a single procedural asset, reveals the presence of small mutations and also the copy number variants (CNVs) from the DNA extracted from the Guthrie Spot. MATERIALS AND METHODS We first sequenced 30 blood spots, then we validated the method on 100 spots that underwent both traditional analyses and this complete NGS sequencing, and lastly, we tested the strategy on patients who normally do not reach the molecular sequencing step because of low level of Immune-Reactive Trypsinogen. RESULTS Using this procedure, we identified 97 variants in the CFTR gene of our samples and 6 CNVs. Notably, the significant data were obtained in the group of patients with borderline or negative IRT who routinely would not undergo molecular testing. We also identified 6 carriers of "disease-causing" variants. CONCLUSION This method is very robust. Indeed, there was a 100% concordance with Sanger sequencing validation, and 6 mutation carriers were identified who normally escaped molecular testing with actual conventional procedure. There were also 3 duplications of almost the entire gene in heterozygosity, which were not seen with traditional methods. Being quick and easy to perform, we suggest that complete sequencing of the CFTR gene, as in this study be considered for all newborns.
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Affiliation(s)
- Marcella Nunziato
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Via Pansini 5, 80131 Naples, Italy; CEINGE - Biotecnologie Avanzate Franco Salvatore, Via Gaetano Salvatore, 486, 80145 Naples, Italy
| | - Flavio Starnone
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Via Pansini 5, 80131 Naples, Italy; CEINGE - Biotecnologie Avanzate Franco Salvatore, Via Gaetano Salvatore, 486, 80145 Naples, Italy
| | - Sonia Giordano
- CEINGE - Biotecnologie Avanzate Franco Salvatore, Via Gaetano Salvatore, 486, 80145 Naples, Italy
| | - Marcella D'Antonio
- CEINGE - Biotecnologie Avanzate Franco Salvatore, Via Gaetano Salvatore, 486, 80145 Naples, Italy
| | - Domenico Scognamiglio
- A.O.R.N. Santobono-Pausilipon - Centro Screening Neonatale, Via Teresa Ravaschieri già via della Croce Rossa, 8, 80122 Naples, Italy
| | - Maria Valeria Esposito
- CEINGE - Biotecnologie Avanzate Franco Salvatore, Via Gaetano Salvatore, 486, 80145 Naples, Italy
| | - Antonio Correra
- A.O.R.N. Santobono-Pausilipon - Centro Screening Neonatale, Via Teresa Ravaschieri già via della Croce Rossa, 8, 80122 Naples, Italy
| | - Federica Di Maggio
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Via Pansini 5, 80131 Naples, Italy; CEINGE - Biotecnologie Avanzate Franco Salvatore, Via Gaetano Salvatore, 486, 80145 Naples, Italy
| | - Valeria D'Argenio
- CEINGE - Biotecnologie Avanzate Franco Salvatore, Via Gaetano Salvatore, 486, 80145 Naples, Italy; Department of Human Sciences and Quality of Life Promotion, San Raffaele Open University, Via di Val Cannuta 247, 00166 Rome, Italy
| | - Giovanni Luca Scaglione
- Istituto Dermopatico dell'Immacolata IDI-IRCCS, Via dei Monti di Creta, 104, 00167 Rome, Italy
| | - Giuseppe Castaldo
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Via Pansini 5, 80131 Naples, Italy; CEINGE - Biotecnologie Avanzate Franco Salvatore, Via Gaetano Salvatore, 486, 80145 Naples, Italy
| | - Francesco Salvatore
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Via Pansini 5, 80131 Naples, Italy; CEINGE - Biotecnologie Avanzate Franco Salvatore, Via Gaetano Salvatore, 486, 80145 Naples, Italy.
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Wilbourne J, Jia S, Fogarty A, Takaku M, Zhao F. Crucial Roles of the Mesenchymal Androgen Receptor in Wolffian Duct Development. Endocrinology 2023; 165:bqad193. [PMID: 38146640 PMCID: PMC10763607 DOI: 10.1210/endocr/bqad193] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/05/2023] [Accepted: 12/20/2023] [Indexed: 12/27/2023]
Abstract
Wolffian duct (WD) maintenance and differentiation is predominantly driven by the androgen action, which is mediated by the androgen receptor (AR). It is well established that the mesenchyme indicates the fate and differentiation of epithelial cells. However, in vivo developmental requirement of mesenchymal AR in WD development is still undefined. By designing a mesenchyme-specific Ar knockout (ARcKO), we discovered that the loss of mesenchymal Ar led to the bilateral or unilateral degeneration of caudal WDs and cystic formation at the cranial WDs. Ex vivo culture of ARcKO WDs invariably resulted in bilateral defects, suggesting that some factor(s) originating from surrounding tissues in vivo might promote WD survival and growth even in the absence of mesenchymal Ar. Mechanistically, we found cell proliferation was significantly reduced in both epithelial and mesenchymal compartments; but cell apoptosis was not affected. Transcriptomic analysis by RNA sequencing of E14.5 mesonephroi revealed 131 differentially expressed genes. Multiple downregulated genes (Top2a, Wnt9b, Lama2, and Lamc2) were associated with morphological and cellular changes in ARcKO male embryos (ie, reduced cell proliferation and decreased number of epithelial cells). Mesenchymal differentiation into smooth muscle cells that are critical for morphogenesis was also impaired in ARcKO male embryos. Taken together, our results demonstrate the crucial roles of the mesenchymal AR in WD maintenance and morphogenesis in mice.
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Affiliation(s)
- Jillian Wilbourne
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin–Madison, Madison, WI 53706, USA
| | - Shuai Jia
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin–Madison, Madison, WI 53706, USA
| | - Allyssa Fogarty
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin–Madison, Madison, WI 53706, USA
- Comparative Biomedical Sciences Graduate Program, School of Veterinary Medicine, University of Wisconsin–Madison, Madison, WI 53706, USA
| | - Motoki Takaku
- Department of Biomedical Sciences, School of Medicine, University of North Dakota, Grand Forks, ND 58202, USA
| | - Fei Zhao
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin–Madison, Madison, WI 53706, USA
- Comparative Biomedical Sciences Graduate Program, School of Veterinary Medicine, University of Wisconsin–Madison, Madison, WI 53706, USA
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Nam CS, Campbell KJ, Acquati C, Bole R, Adler A, Collins DJ, Collins E, Samplaski M, Anderson-Bialis J, Andino JJ, Asafu-Adjei D, Gaskins AJ, Bortoletto P, Vij SC, Orwig KE, Lundy SD. Deafening Silence of Male Infertility. Urology 2023; 182:111-124. [PMID: 37778476 DOI: 10.1016/j.urology.2023.09.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 09/07/2023] [Accepted: 09/23/2023] [Indexed: 10/03/2023]
Abstract
Think about 6 loved ones of reproductive age in your life. Now imagine that 1 of these 6 individuals is suffering from infertility. Perhaps they feel alone and isolated, unable to discuss their heartbreak with their closest friends, family, and support network. Suffering in silence. In this editorial, we discuss the infertility journey through the lens of the patients, the providers, and the scientists who struggle with infertility each and every day. Our goal is to open a dialogue surrounding infertility, with an emphasis on dismantling the longstanding societal barriers to acknowledging male infertility as a disease. Through education, communication, compassion, and advocacy, together we can all begin to break the deafening silence of male infertility.
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Affiliation(s)
- Catherine S Nam
- Department of Urology, University of Michigan, Ann Arbor, MI
| | | | - Chiara Acquati
- Graduate College of Social Work, University of Houston, Houston, TX; Department of Clinical Sciences, Tilman J. Fertitta Family College of Medicine, University of Houston, Houston, TX; Department of Health Disparities Research, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Raevti Bole
- Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH
| | - Ava Adler
- Lerner Research Institute, Cleveland Clinic, Cleveland, OH
| | - David J Collins
- Department of Urology, University of Southern California, Los Angeles, CA
| | - Erica Collins
- Department of Urology, University of Southern California, Los Angeles, CA
| | - Mary Samplaski
- Department of Urology, University of Southern California, Los Angeles, CA
| | | | - Juan J Andino
- Department of Urology, University of California Los Angeles, Los Angeles, CA
| | - Denise Asafu-Adjei
- Department of Urology, Department of Parkinson School of Health Sciences and Public Health, Loyola University Chicago Stritch School of Medicine, Chicago, IL
| | | | - Pietro Bortoletto
- Boston IVF, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
| | - Sarah C Vij
- Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH
| | - Kyle E Orwig
- Department of Obstetrics, Gynecology and Reproductive Sciences, Magee-Womens Research Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - Scott D Lundy
- Glickman Urological and Kidney Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, OH.
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Campbell K, Deebel N, Kohn T, Passarelli R, Velez D, Ramasamy R. Prevalence of Low Testosterone in Men With Cystic Fibrosis and Congenital Bilateral Absence of the Vas Deferens: A Cross-sectional Study Using a Large, Multi-institutional Database. Urology 2023; 182:143-148. [PMID: 37716455 PMCID: PMC10842516 DOI: 10.1016/j.urology.2023.08.039] [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: 06/15/2023] [Revised: 08/23/2023] [Accepted: 08/30/2023] [Indexed: 09/18/2023]
Abstract
OBJECTIVE To investigate the prevalence and treatment rates of low testosterone (T) in men with cystic fibrosis (CF). CF is a genetic disease with highly variable presentation that results from a mutation in the cystic fibrosis transmembrane conductance regulator (CFTR) gene. Phenotypic manifestations of CF include alterations in function of the lungs, liver, pancreas, and reproductive system. Despite the well-described association between CF and infertility secondary to congenital bilateral absence of the vas deferens (CBAVD), men with CF report further sexual and reproductive health concerns, many of which are often associated with low testosterone. METHODS We queried the TrinetX database for men over 18years old with CF or CBAVD to assess what percentage of men had a T level measured, and if hypogonadal (below 300 ng/dL), what percentage received T therapy (TT). We hypothesized that low T would be under-evaluated in the CF population. RESULTS Serum T levels were measured in 10.1% of men with CF and 8.9% of men with CBAVD. Within each group, 464 men with CF (32.7%) and 132 with CBAVD (43.0%) demonstrated low T. The majority of men with T < 300 ng/dL went on to appropriately receive TT: 59.3% of men with CF and 78% with CBAVD. CONCLUSION Our data suggests that hypogonadism is highly prevalent in men with CF and CBAVD. Investigation and appropriate treatment of testosterone deficiency may significantly improve quality of life.
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Affiliation(s)
| | - Nicholas Deebel
- Department of Urology, Wake Forest University School of Medicine, Winston-Salem, NC
| | - Taylor Kohn
- Brady Urological Institute, Johns Hopkins Medicine, Baltimore, MD
| | - Rachel Passarelli
- Department of Urology, Rutgers - Robert Wood Johnson, New Brunswick, NJ
| | - Danielle Velez
- Department of Urology, Rutgers - Robert Wood Johnson, New Brunswick, NJ
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Chernykh V, Krasovsky S, Solovova O, Adyan T, Stepanova A, Marnat E, Shtaut M, Sedova A, Sorokina T, Beskorovainaya T, Kondratyeva E, Shchagina O, Polyakov A. Pathogenic Variants and Genotypes of the CFTR Gene in Russian Men with Cystic Fibrosis and CBAVD Syndrome. Int J Mol Sci 2023; 24:16287. [PMID: 38003474 PMCID: PMC10671388 DOI: 10.3390/ijms242216287] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 11/09/2023] [Accepted: 11/11/2023] [Indexed: 11/26/2023] Open
Abstract
Pathogenic CFTR variants cause cystic fibrosis (CF), and CF-related disorders (CF-RD), including bilateral aplasia of the vas deferens (CBAVD). The spectrum of clinical manifestations depends on the CFTR genotype. The frequency and spectrum of the CFTR variants vary between populations and clinical groups. CFTR variants and genotypes were analyzed in Russian men with CF (n = 546) and CBAVD syndrome (n = 125). Pathogenic variants were detected in 93.95% and 39.2% of the CF and CBAVD alleles, respectively. The most frequent c.1521_1523del (F508del; p.Phe508del) variant was found in 541 (49.5%) CF alleles. A total of 162 CFTR genotypes were revealed in CF patients, including 152 homozygous and 394 compound-heterozygous. The most common CF-genotype was F508del/F508del (24.9%). Other frequent CF-genotypes were F508del/3849+10kbC>T, F508del/CFTRdele2,3, and F508del/E92K. CF-causing variants and/or 5T allele were found in 88% of CBAVD patients: 5T/CFTRmut (48.0%), CFTRmut/N (17.6%), CFTRmut/CFTRmut (6.4%), 5T/5T (10.4%), 5T/N (5.6%) and N/N (12.0%), with the most common CBAVD-genotype being F508del/5T (29.6%). The allele frequencies of F508del, CFTRdele2,3 394delTT, and 3849+10kbC>T were significantly higher in CF patients. L138ins/L138ins, 2184insA/E92K, and L138ins/N genotypes were found in CBAVD, but not in CF patients. The results indicate certain differences in the frequency of some CFTR variants and genotypes in Russian CF and CBAVD patients.
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Affiliation(s)
- Vyacheslav Chernykh
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (S.K.); (O.S.); (T.A.); (A.S.); (M.S.); (A.S.); (T.S.); (T.B.); (E.K.); (O.S.); (A.P.)
- Pirogov Russian National Research Medical University of the Ministry of Healthcare of the Russian Federation, 117997 Moscow, Russia;
| | - Stanislav Krasovsky
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (S.K.); (O.S.); (T.A.); (A.S.); (M.S.); (A.S.); (T.S.); (T.B.); (E.K.); (O.S.); (A.P.)
| | - Olga Solovova
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (S.K.); (O.S.); (T.A.); (A.S.); (M.S.); (A.S.); (T.S.); (T.B.); (E.K.); (O.S.); (A.P.)
| | - Tagui Adyan
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (S.K.); (O.S.); (T.A.); (A.S.); (M.S.); (A.S.); (T.S.); (T.B.); (E.K.); (O.S.); (A.P.)
| | - Anna Stepanova
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (S.K.); (O.S.); (T.A.); (A.S.); (M.S.); (A.S.); (T.S.); (T.B.); (E.K.); (O.S.); (A.P.)
| | - Ekaterina Marnat
- Pirogov Russian National Research Medical University of the Ministry of Healthcare of the Russian Federation, 117997 Moscow, Russia;
| | - Maria Shtaut
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (S.K.); (O.S.); (T.A.); (A.S.); (M.S.); (A.S.); (T.S.); (T.B.); (E.K.); (O.S.); (A.P.)
| | - Anna Sedova
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (S.K.); (O.S.); (T.A.); (A.S.); (M.S.); (A.S.); (T.S.); (T.B.); (E.K.); (O.S.); (A.P.)
| | - Tatyana Sorokina
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (S.K.); (O.S.); (T.A.); (A.S.); (M.S.); (A.S.); (T.S.); (T.B.); (E.K.); (O.S.); (A.P.)
| | - Tatyana Beskorovainaya
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (S.K.); (O.S.); (T.A.); (A.S.); (M.S.); (A.S.); (T.S.); (T.B.); (E.K.); (O.S.); (A.P.)
| | - Elena Kondratyeva
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (S.K.); (O.S.); (T.A.); (A.S.); (M.S.); (A.S.); (T.S.); (T.B.); (E.K.); (O.S.); (A.P.)
| | - Olga Shchagina
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (S.K.); (O.S.); (T.A.); (A.S.); (M.S.); (A.S.); (T.S.); (T.B.); (E.K.); (O.S.); (A.P.)
| | - Aleksandr Polyakov
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (S.K.); (O.S.); (T.A.); (A.S.); (M.S.); (A.S.); (T.S.); (T.B.); (E.K.); (O.S.); (A.P.)
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Zhuo Y, Zhang W, Du J, Jiang H, Chen G, Feng X, Gu H. Identification of m6A-associated genes as prognostic and immune-associated biomarkers in Wilms tumor. Discov Oncol 2023; 14:201. [PMID: 37938417 PMCID: PMC10632345 DOI: 10.1007/s12672-023-00817-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Accepted: 10/31/2023] [Indexed: 11/09/2023] Open
Abstract
OBJECTIVES Wilms tumor (WT) is a common renal malignant tumor in children. We aimed to investigate the potential prognostic value of m6A-related genes and their relationship to the immune microenvironment in WT. METHODS RNA-seq data and clinical information from 121 WT and 6 normal samples were obtained from the University of California Santa Cruz Xena database. We used various bioinformatics analysis tools to analyze these data and verify the expression level of m6A-related genes by experiments. RESULTS Four m6A-related genes were successfully screened, including ADGRG2, CPD, CTHRC1, and LRTM2. Kaplan-Meier survival curves showed that the four genes were closely related to the prognosis of WT, which was also confirmed by receiver operator characteristic curves. Subsequently, in the immune microenvironment of WT, we discovered that Th1_cells were positively correlated with ADGRG2, CCR was negatively correlated with CPD, CCR was positively correlated with CTHRC1, APC_co_stimulation, CCR, Macrophages, inflammation-promoting cells, Treg, and Type_II_IFN_Reponse were negatively correlated with LRTM2. Finally, qRT-PCR showed that expression levels of the four genes were upregulated in the nephroblastoma cell lines (G-401, SK-NEP-1, and WT-CLS1) compared with the human embryonic kidney cell lines (293T). CONCLUSIONS Taken together, our study first time screened the m6A-related genes and revealed that ADGRG2, CPD, CTHRC1, and LRTM2 are the prognostic and immune-associated biomarkers in WT.
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Affiliation(s)
- Yingquan Zhuo
- Department of Pediatric Surgery, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China
- School of Clinical Medicine, Guizhou Medical University, Guiyang, 550004, China
| | - Wengqi Zhang
- Department of Anesthesiology, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China
| | - Jun Du
- Department of Pediatric Surgery, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China
| | - Hua Jiang
- Department of Pediatric Surgery, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China
| | - Guangtang Chen
- School of Clinical Medicine, Guizhou Medical University, Guiyang, 550004, China
| | - Xiaoyun Feng
- School of Basic Medicine, Guizhou Medical University, Guiyang, 550004, China
| | - Huajian Gu
- Department of Pediatric Surgery, The Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China.
- School of Clinical Medicine, Guizhou Medical University, Guiyang, 550004, China.
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Faix A, Methorst C, Lamazou F, Vialard F, Huyghe E. [Assessment of the man in the infertile couple]. Prog Urol 2023; 33:588-612. [PMID: 38012906 DOI: 10.1016/j.purol.2023.09.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 09/19/2023] [Accepted: 09/22/2023] [Indexed: 11/29/2023]
Abstract
BACKGROUND Among couples consulting for infertility, there is a male component, either alone or associated with a female aetiology in around one in 2 cases. MATERIAL AND METHODS Bibliographic search in PubMed using the keywords "male infertility", "diagnosis", "management" and "evaluation" limited to clinical articles in English and French prior to 1/01/2023. RESULTS The AFU recommends: (1) a complete medical history including: family history, patient history affecting fertility, lifestyle habits (toxicity), treatments, symptoms, sexual dysfunctions; (2) a physical examination including: BMI, signs of hypogonadism, secondary sexual characteristics, scrotal examination (volume and consistency of testes, vas deferens, epididymal or testicular nodules, presence of varicocele); (3) two spermograms, if abnormal on the first; (4) a systematic scrotal ultrasound,± an endorectal ultrasound depending on the clinic; (5) a hormonal work-up (testosterone, FSH; if testosterone is low: LH assay to differentiate between central or peripheral hypogonadism); (6) karyotype if sperm concentration≤10 million/mL; (7) evaluation of Y chromosome microdeletions if concentration≤1 million/mL; (8) evaluation of the CFTR gene in cases of suspected bilateral or unilateral agenesis of the vas deferens and seminal vesicles. The role and usefulness of direct and indirect tests to assess the effects of oxidative stress on sperm DNA will also be explained. CONCLUSION This review complements and updates the AFU/SALF 2021 recommendations.
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Affiliation(s)
- A Faix
- Clinique Saint-Roch, 560, avenue du Colonel-Pavelet-dit-Villars, 34000 Montpellier, France
| | - C Methorst
- Service de médecine de la reproduction, hôpital des 4-villes, Saint-Cloud, France
| | - F Lamazou
- Clinique Pierre-Cherest, Paris, France
| | - F Vialard
- Service de génétique, CHU de Poissy Saint-Germain, UVSQ, Poissy, France
| | - E Huyghe
- Département d'urologie, hôpital de Rangueil, CHU de Toulouse, Toulouse, France; Service de médecine de la reproduction, hôpital Paule-de-Viguier, CHU de Toulouse, Toulouse, France; UMR DEFE, Inserm 1203, université de Toulouse, université de Montpellier, Toulouse, France.
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14
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Nowicka-Bauer K, Kamieniczna M, Olszewska M, Kurpisz MK. Proteomic approach towards identification of seminal fluid biomarkers from individuals with severe oligozoospermia, cryptozoospermia and non-obstructive azoospermia: a pilot study. Transl Androl Urol 2023; 12:1497-1510. [PMID: 37969768 PMCID: PMC10643378 DOI: 10.21037/tau-23-130] [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: 03/08/2023] [Accepted: 09/01/2023] [Indexed: 11/17/2023] Open
Abstract
Background Infertility becomes a global problem that affects to the same extent females and males. As reasons of male infertility can differ among individuals, the accurate diagnostics is essential for effective treatment. The most problematic both in diagnostics and in treatment are disturbances of spermatogenesis. Seminal fluid is rich in proteins that potentially can serve as markers for male infertility and among them, markers of spermatogenesis which are highly desired. Methods To find biomarkers of spermatogenesis, we applied comparative proteomics using nano ultra performance liquid chromatography and tandem mass spectrometry (nanoUPLC-MS/MS) followed by single-sample Western blotting (WB) using seminal fluid samples from males with different types of infertility including non-obstructive azoospermia (NOA), cryptozoospermia (C) and severe oligozoospermia (SO). Then, the extensive survey on the identified proteins and their function in male reproductive system has been done. Results The proteomic approach has enabled to identified five seminal fluid proteins being potential markers of spermatogenesis disorders: ADGRG2, RAB3B, LTF, SLC2A3 and spermine synthase (SMS). Among them ADGRG2 seems to be strongly involved in male infertility. In addition, WB indicated that the distribution of LTF, SLC2A3 and SMS was not coherent among the individuals, especially in a group with NOA. Functional annotation analysis and search in proteomics databases revealed that vast majority of the proteins originated from extracellular environment. Conclusions The presented data point out several proteins that potentially can become biomarkers of male infertility. The data suggest, however, different mechanisms behind the male infertility indicating that the etiology is more complex. We assume that recognition of these mechanisms may lead to the creation of specific protein panel helpful in the management of male infertility and therefore, further studies are required.
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15
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Campbell K, Zarli M, Schuppe K, Wong R, Rahman F, Ramasamy R. Sexual and Reproductive Health Among Men With Cystic Fibrosis. Urology 2023; 179:9-15. [PMID: 37380131 PMCID: PMC10592521 DOI: 10.1016/j.urology.2023.06.017] [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: 05/07/2023] [Revised: 06/04/2023] [Accepted: 06/19/2023] [Indexed: 06/30/2023]
Abstract
Cystic fibrosis (CF) is a genetic disease caused by mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) protein. Due to the distribution of the CFTR protein, CF presents with a heterogeneous phenotype. Men with CF may present with infertility due to congenital abnormalities of the vas deferens. In addition, they may experience testosterone deficiency. Today, they can father biological children with assisted reproductive technologies. We reviewed the current literature on the pathophysiology of these conditions, describe interventions that allow men with CF to conceive biological children, and provide recommendations for management of CF patients with reproductive health concerns.
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Affiliation(s)
| | - Mohamadhusni Zarli
- Dr. Kiran C. Patel College of Osteopathic Medicine, Nova Southeastern University, Fort Lauderdale, FL
| | - Kyle Schuppe
- Washington State University Elson S. Floyd College of Medicine, Spokane, WA
| | - Ryan Wong
- Dr. Kiran C. Patel College of Osteopathic Medicine, Nova Southeastern University, Fort Lauderdale, FL
| | - Farah Rahman
- Desai Sethi Urology Institute, University of Miami, Miami, FL
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16
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Crossen MJ, Wilbourne J, Fogarty A, Zhao F. Epithelial and mesenchymal fate decisions in Wolffian duct development. Trends Endocrinol Metab 2023; 34:462-473. [PMID: 37330364 PMCID: PMC10524679 DOI: 10.1016/j.tem.2023.05.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 05/22/2023] [Accepted: 05/23/2023] [Indexed: 06/19/2023]
Abstract
Wolffian ducts (WDs) are the paired embryonic structures that give rise to internal male reproductive tract organs. WDs are initially formed in both sexes but have sex-specific fates during sexual differentiation. Understanding WD differentiation requires insights into the process of fate decisions of epithelial and mesenchymal cells, which are tightly coordinated by endocrine, paracrine, and autocrine signals. In this review, we discuss current advances in understanding the fate-decision process of WD epithelial and mesenchymal lineages from their initial formation at the embryonic stage to postnatal differentiation. Finally, we discuss aberrant cell differentiation in WD abnormalities and pathologies and identify opportunities for future investigations.
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Affiliation(s)
- McKenna J Crossen
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI 53706, USA; Endocrinology and Reproductive Physiology Program, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Jillian Wilbourne
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Allyssa Fogarty
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI 53706, USA; Comparative Biomedical Sciences Program, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Fei Zhao
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI 53706, USA; Endocrinology and Reproductive Physiology Program, University of Wisconsin-Madison, Madison, WI 53706, USA; Comparative Biomedical Sciences Program, University of Wisconsin-Madison, Madison, WI 53706, USA.
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Chernykh V, Sorokina T, Sedova A, Shtaut M, Solovova O, Marnat E, Adyan T, Beskorovaynaya T, Stepanova A, Shchagina O, Polyakov A. L138ins Variant of the CFTR Gene in Russian Infertile Men. Genes (Basel) 2023; 14:1407. [PMID: 37510311 PMCID: PMC10379041 DOI: 10.3390/genes14071407] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 06/02/2023] [Accepted: 07/06/2023] [Indexed: 07/30/2023] Open
Abstract
(1) Introduction: Pathogenic variants in the CFTR (Cystic Fibrosis Transmembrane conductance Regulator, OMIM: 602421) gene cause Cystic Fibrosis (CF, OMIM: 219700) and CF-related disorders (CF-RD), often accompanied by obstructive azoospermia due to congenital bilateral aplasia of vas deferens (CBAVD, OMIM: 277180) in male patients. The L138ins (c.413_415dup; p. (Leu138dup)) is a mild variant in the CFTR gene that is relatively common among CF-patients in Slavic populations. The frequency of this variant in Russian infertile men has not been sufficiently studied; (2) Materials and Methods: The sample consisted of 6033 Russian infertile men. The patients were tested for 22 common in Russian populations pathogenic variants of the CFTR gene and the IVS9Tn-polymorphic locus of the intron 9. Molecular-genetic studies were performed using amplified fragment length polymorphism (AFLP-PCR), multiplex ligation-dependent probe amplification (MLPA), and nested PCR (for analysis of the IVS9Tn-polymorphic locus); (3) Results: Pathogenic variants in the CFTR were detected in 3.9% of patients. The most frequent variants were F508del and CFTRdele2.3(21kb), accounted for 61.0% and 7.1% of detected variants, respectively. The L138ins variant was detected in 17 (0.28%) individuals: one of them was homozygous, 10 patients were heterozygous, and 6 patients were compound-heterozygous (F508del/L138ins, n = 4; L138ins/N1303K, n = 1; L138ins/5T, n = 1). Two pathogenic CF-causing variants in the CFTR gene were detected in 8 patients, including 7 compound heterozygous (F508del/L138ins, n = 4; F508del/N1303K, n = 1; 2184insA/E92K, n = 1; 3849+10kbC>T/E92K, n = 1) and one homozygous (L138ins/L138ins). The L138ins variant was found in 7 out of 16 (43.75%) chromosomes in six of these patients. The most common pathogenic variant, F508del, was identified in five out of them, in 5 of 16 (31.25%) chromosomes. The allele frequency (AF) of the L138ins variant in the sample has been found to be 0.0014.; (4) Conclusions: The L138ins variant of the CFTR gene is the third most common variant after F508del and CFTRdele2.3(kb) among Russian infertile men.
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Affiliation(s)
- Vyacheslav Chernykh
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (T.S.); (A.S.); (M.S.); (O.S.); (T.A.); (T.B.); (A.S.); (O.S.); (A.P.)
- Pirogov Russian National Research Medical University of the Ministry of Healthcare of the Russian Federation, 117997 Moscow, Russia;
| | - Tatyana Sorokina
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (T.S.); (A.S.); (M.S.); (O.S.); (T.A.); (T.B.); (A.S.); (O.S.); (A.P.)
| | - Anna Sedova
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (T.S.); (A.S.); (M.S.); (O.S.); (T.A.); (T.B.); (A.S.); (O.S.); (A.P.)
| | - Maria Shtaut
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (T.S.); (A.S.); (M.S.); (O.S.); (T.A.); (T.B.); (A.S.); (O.S.); (A.P.)
| | - Olga Solovova
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (T.S.); (A.S.); (M.S.); (O.S.); (T.A.); (T.B.); (A.S.); (O.S.); (A.P.)
| | - Ekaterina Marnat
- Pirogov Russian National Research Medical University of the Ministry of Healthcare of the Russian Federation, 117997 Moscow, Russia;
| | - Tagui Adyan
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (T.S.); (A.S.); (M.S.); (O.S.); (T.A.); (T.B.); (A.S.); (O.S.); (A.P.)
| | - Tatyana Beskorovaynaya
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (T.S.); (A.S.); (M.S.); (O.S.); (T.A.); (T.B.); (A.S.); (O.S.); (A.P.)
| | - Anna Stepanova
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (T.S.); (A.S.); (M.S.); (O.S.); (T.A.); (T.B.); (A.S.); (O.S.); (A.P.)
| | - Olga Shchagina
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (T.S.); (A.S.); (M.S.); (O.S.); (T.A.); (T.B.); (A.S.); (O.S.); (A.P.)
| | - Aleksandr Polyakov
- Research Centre for Medical Genetics, 115522 Moscow, Russia; (T.S.); (A.S.); (M.S.); (O.S.); (T.A.); (T.B.); (A.S.); (O.S.); (A.P.)
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18
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Lu Y, Xie Y, Li M, Zuo N, Ning S, Luo B, Ning M, Song J, Liang Y, Qin Y. A novel ADGRG2 truncating variant associated with X-linked obstructive azoospermia in a large Chinese pedigree. J Assist Reprod Genet 2023; 40:1747-1754. [PMID: 37273165 PMCID: PMC10352220 DOI: 10.1007/s10815-023-02839-3] [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: 05/02/2022] [Accepted: 05/23/2023] [Indexed: 06/06/2023] Open
Abstract
PURPOSE In this study, we aimed to identify sterility-related variants in a Chinese pedigree with male infertility and to reveal the different phenotypes and intracytoplasmic sperm injection (ICSI) outcomes of the affected members. METHODS Physical examinations were performed on male patients. G-band karyotype analysis, copy number variation sequencing, and quantitative fluorescent PCR were conducted to detect common chromosomal disorders in the probands. Whole-exome sequencing and Sanger sequencing were applied to identify the pathogenic genes and the protein expression changes caused by the very mutation were identified by Western Blot in vitro. RESULTS A novel nonsense mutation (c.908C > G: p.S303*) in the ADGRG2 was identified in all infertile male patients of the pedigree, which was inherited from their mothers. This variant was absent from the human genome databases. This mutation was also unexpectedly found in a male member with normal reproductive capability. Members with the mutation had different genitalia phenotypes, ranging from normal to dilated phenotypes of the vas deferens, spermatic veins and epididymis. There was a truncated ADGRG2 protein in vitro after mutation. Of the three patients' wives treated with ICSI, only one successfully gave birth. CONCLUSIONS Our study is the first to report the c.908C > G: p.S303* mutation in the ADGRG2 in an X-linked azoospermia pedigree and is the first to report normal fertility in a member with this mutation, expanding the mutation spectrum and phenotype spectrum of this gene. In our study, ISCI had a success rate of only one-third in couples including men with azoospermia with this mutation.
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Affiliation(s)
- Yinghong Lu
- Department of Clinical Laboratory, Yulin Women and Children Health Care Hospital, Yulin, Guangxi Zhuang Autonomous Region, Yulin, 537000, People's Republic of China
| | - Yuling Xie
- Department of Clinical Laboratory, Yulin Women and Children Health Care Hospital, Yulin, Guangxi Zhuang Autonomous Region, Yulin, 537000, People's Republic of China
| | - Mei Li
- Department of Clinical Laboratory, Yulin Women and Children Health Care Hospital, Yulin, Guangxi Zhuang Autonomous Region, Yulin, 537000, People's Republic of China
| | - Na Zuo
- Department of Clinical Laboratory, Yulin Women and Children Health Care Hospital, Yulin, Guangxi Zhuang Autonomous Region, Yulin, 537000, People's Republic of China
| | - Sisi Ning
- Department of Clinical Laboratory, Yulin Women and Children Health Care Hospital, Yulin, Guangxi Zhuang Autonomous Region, Yulin, 537000, People's Republic of China
| | - Bowen Luo
- Reproductive Medicine Center, Yulin Women and Children Health Care Hospital, Yulin, People's Republic of China
| | - Minxia Ning
- Department of Clinical Laboratory, Yulin Women and Children Health Care Hospital, Yulin, Guangxi Zhuang Autonomous Region, Yulin, 537000, People's Republic of China
| | - Jujie Song
- Department of Clinical Laboratory, Yulin Women and Children Health Care Hospital, Yulin, Guangxi Zhuang Autonomous Region, Yulin, 537000, People's Republic of China
| | - Yi Liang
- Department of Clinical Laboratory, Yulin Women and Children Health Care Hospital, Yulin, Guangxi Zhuang Autonomous Region, Yulin, 537000, People's Republic of China
| | - Yunrong Qin
- Department of Clinical Laboratory, Yulin Women and Children Health Care Hospital, Yulin, Guangxi Zhuang Autonomous Region, Yulin, 537000, People's Republic of China.
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19
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Blotas C, Férec C, Moisan S. Tissue-Specific Regulation of CFTR Gene Expression. Int J Mol Sci 2023; 24:10678. [PMID: 37445855 DOI: 10.3390/ijms241310678] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 06/21/2023] [Accepted: 06/23/2023] [Indexed: 07/15/2023] Open
Abstract
More than 2000 variations are described within the CFTR (Cystic Fibrosis Transmembrane Regulator) gene and related to large clinical issues from cystic fibrosis to mono-organ diseases. Although these CFTR-associated diseases have been well documented, a large phenotype spectrum is observed and correlations between phenotypes and genotypes are still not well established. To address this issue, we present several regulatory elements that can modulate CFTR gene expression in a tissue-specific manner. Among them, cis-regulatory elements act through chromatin loopings and take part in three-dimensional structured organization. With tissue-specific transcription factors, they form chromatin modules and can regulate gene expression. Alterations of specific regulations can impact and modulate disease expressions. Understanding all those mechanisms highlights the need to expand research outside the gene to enhance our knowledge.
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Affiliation(s)
- Clara Blotas
- Univ Brest, Inserm, EFS, UMR 1078, GGB, F-29200 Brest, France
| | - Claude Férec
- Univ Brest, Inserm, EFS, UMR 1078, GGB, F-29200 Brest, France
| | - Stéphanie Moisan
- Univ Brest, Inserm, EFS, UMR 1078, GGB, F-29200 Brest, France
- Laboratoire de Génétique Moléculaire et d'Histocompatibilité, CHU Brest, F-29200 Brest, France
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20
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Campbell K, Dullea A, Schuppe K, Ghomeshi A, Ramsoomair C, Griswold AJ, Khodamoradi K, Ramasamy R. Whole Exome Sequencing Identifies a Rare CFTR Mutation in Brothers With Anomalies of the Vas Deferens: A Case Study. Urology 2023; 175:74-76. [PMID: 36858322 PMCID: PMC10238635 DOI: 10.1016/j.urology.2023.02.017] [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: 01/19/2023] [Revised: 02/10/2023] [Accepted: 02/12/2023] [Indexed: 03/02/2023]
Abstract
Congenital bilateral absence of the vas deferens (CBAVD) occurs in almost all men with cystic fibrosis. Prevailing theories on this pathophysiology relate to pathogenic mutations in the cystic fibrosis transmembrane regulator gene leading to agenesis or obliteration of vas deferens in utero. In this study, we present a case of two brothers with congenital anomalies of the vas deferens who were found to have carried a rare, heterozygous cystic fibrosis transmembrane regulator variant p.r347h without pulmonary or gastrointestinal signs or symptoms of cystic fibrosis .
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Affiliation(s)
| | | | - Kyle Schuppe
- Washington State University Elson S. Floyd College of Medicine, Spokane, WA
| | - Armin Ghomeshi
- Herbert Wertheim College of Medicine, Florida International University, Miami, FL
| | | | - Anthony J Griswold
- John P. Hussman Institute for Human Genomics, University of Miami, Miami, FL; Dr. John T Macdonald Foundation Department of Human Genetics, University of Miami Miller School of Medicine, Miami, FL
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Rudnik-Schöneborn S, Wyrwoll MJ, Tüttelmann F, Toth B, Pinggera GM, Zschocke J. Genetische Diagnostik bei ungewollt kinderlosen Paaren oder wiederholten Fehlgeburten. GYNAKOLOGISCHE ENDOKRINOLOGIE 2023. [DOI: 10.1007/s10304-022-00494-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
ZusammenfassungEtwa 10–15 % aller Paare sind ungewollt kinderlos, entweder durch das fehlende Eintreten einer Schwangerschaft oder durch rezidivierende Aborte. Nachweisbare Ursachen einer Fertilitätsstörung finden sich gleichermaßen bei Männern und bei Frauen, bei einem Drittel sind beide Partner beteiligt. Bei 5–10 % der weiblichen und 10–20 % der männlichen Patienten sind mit den derzeit etablierten diagnostischen Analysen genetische Ursachen erkennbar. Eine ätiologische Abklärung erlaubt eine fundierte Prognose und manchmal eine spezifische Therapie, sie kann auf ein erhöhtes Risiko des Auftretens kindlicher Erkrankungen hinweisen. Eine spezifische genetische Abklärung ist daher unabhängig von einer gegebenenfalls geplanten reproduktionsmedizinischen Behandlung bei allen Paaren indiziert, die länger als ein Jahr vergeblich versuchen, ein Kind zu bekommen, und bei denen keine andere Erklärung für eine Unfruchtbarkeit nachgewiesen wurde. Die genetische Diagnostik der Unfruchtbarkeit umfasst bei beiden Partnern in der Regel eine klassische Karyotypisierung zum Nachweis einer gegebenenfalls vorliegenden gonosomalen oder balancierten strukturellen Chromosomenveränderung. Dies ist insbesondere beim wiederholten Auftreten von Fehlgeburten bei beiden Partnern indiziert. Abhängig von hormonellen Befunden sollte bei Frauen ein attenuiertes adrenogenitales Syndrom bzw. bei Verdacht auf eine primäre Ovarialinsuffizienz eine FMR1-Prämutation ausgeschlossen werden. Die genetische Diagnostik des Mannes bei Azoospermie oder gegebenenfalls bei schwerer Oligozoospermie umfasst zusätzlich zur Karyotypisierung die Testung auf AZF-Mikrodeletionen (AZF Azoospermiefaktor) sowie in Abhängigkeit von den klinischen Parametern auf pathogene Varianten im CFTR-Gen als mögliche Ursache einer obstruktiven Azoospermie. Sequenzanalysen spezifischer Gene können bei Frauen und Männern mit hypogonadotropem Hypogonadismus oder bei Verdacht auf eine monogene Spermatogenesestörung in Betracht gezogen werden. Gemäß den Leitlinien und nationalen gesetzlichen Grundlagen sollten vor der genetischen Diagnostik sowie beim Nachweis genetischer Ursachen einer Infertilität mögliche Konsequenzen und die Bedeutung für zukünftige Kinder im Rahmen einer genetischen Beratung besprochen werden.
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22
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Abdominal Cryptorchidism with Complete Dissociation between the Testis and Deferent Duct Mimicking Testicular Regression Syndrome. CHILDREN (BASEL, SWITZERLAND) 2023; 10:children10020205. [PMID: 36832334 PMCID: PMC9955419 DOI: 10.3390/children10020205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/18/2023] [Accepted: 01/20/2023] [Indexed: 01/26/2023]
Abstract
Complete separation of the deferent duct from the epididymis in cryptorchid testes residing in the abdomen is an extremely rare variant of developmental disorders of the testis and epididymis. Available sources mention only three clinical cases similar to our observations. The unique anatomic aspects of this disorder hamper the correct diagnosis of an intra-abdominal cryptorchid testis. Two boys with nonpalpable left-sided cryptorchidism underwent diagnostic laparoscopy, revealing an intra-abdominally located testis. The epididymis was completely separated from the deferent duct, and the epididymis and testis were supplied by testicular vessels. Exploration of the inguinal canal revealed blind-ending deferent ducts. The testis was brought down through the inguinal canal and fixed in the scrotum in both boys. The follow-up examination at 6 months revealed no signs of testicular atrophy or malposition of the testis in either patient. With our observations in mind, the exclusive use of a transscrotal or transinguinal approach as the initial surgical exploration in the treatment of patients with nonpalpable forms of cryptorchidism may be inappropriate. Careful laparoscopic examination of the abdominal cavity is indispensable in children with suspected testicular regression syndrome or nonpalpable forms of cryptorchidism.
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23
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Belladelli F, Muncey W, Seranio N, Eisenberg ML. Counseling for the man with severe male infertility. Curr Opin Urol 2023; 33:5-9. [PMID: 36210761 DOI: 10.1097/mou.0000000000001047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
PURPOSE OF REVIEW This review summarize the proper counseling for men with severe male factor infertility. RECENT FINDINGS Men who are experiencing infertility should have a semen analysis, the results of which may imply additional investigations, including genetic and hormonal. Moreover, possible modifiable factors that may harm men's reproductive health should be carefully evaluated. Finally, different treatment options are available. SUMMARY Approximately 15% of couples struggle with infertility. Complete evaluations of both men and women are required to determine the etiology of infertility and determine appropriate treatment.
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Affiliation(s)
- Federico Belladelli
- Division of Experimental Oncology/Unit of Urology; URI; IRCCS Ospedale San Raffaele
- University Vita-Salute San Raffaele, Milan, Italy
- Department of Urology, School of Medicine, Stanford University, Stanford, California, USA
| | - Wade Muncey
- Department of Urology, School of Medicine, Stanford University, Stanford, California, USA
| | - Nicolas Seranio
- Department of Urology, School of Medicine, Stanford University, Stanford, California, USA
| | - Michael L Eisenberg
- Department of Urology, School of Medicine, Stanford University, Stanford, California, USA
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24
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Translational Bioinformatics for Human Reproductive Biology Research: Examples, Opportunities and Challenges for a Future Reproductive Medicine. Int J Mol Sci 2022; 24:ijms24010004. [PMID: 36613446 PMCID: PMC9819745 DOI: 10.3390/ijms24010004] [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: 10/18/2022] [Revised: 12/16/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022] Open
Abstract
Since 1978, with the first IVF (in vitro fertilization) baby birth in Manchester (England), more than eight million IVF babies have been born throughout the world, and many new techniques and discoveries have emerged in reproductive medicine. To summarize the modern technology and progress in reproductive medicine, all scientific papers related to reproductive medicine, especially papers related to reproductive translational medicine, were fully searched, manually curated and reviewed. Results indicated whether male reproductive medicine or female reproductive medicine all have made significant progress, and their markers have experienced the progress from karyotype analysis to single-cell omics. However, due to the lack of comprehensive databases, especially databases collecting risk exposures, disease markers and models, prevention drugs and effective treatment methods, the application of the latest precision medicine technologies and methods in reproductive medicine is limited.
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Fang J, Wang X, Sun X, Cui Y, Diao F, Yang X. Congenital absence of the vas deferens with hypospadias or without hypospadias: Phenotypic findings and genetic considerations. Front Genet 2022; 13:1035468. [DOI: 10.3389/fgene.2022.1035468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 10/24/2022] [Indexed: 11/10/2022] Open
Abstract
Congenital absence of the vas deferens (CAVD) is a major cause of obstructive azoospermia. Mutations of CFTR and ADGRG2 cause the majority of CAVD. Despite this, 10%–20% of CAVD patients remain without a clear genetic diagnosis. Herein, the CFTR and ADGRG2 genes were first sequenced using Sanger sequencing in 50 CAVD patients. Whole-exome sequencing (WES) was used to further identify potential novel genetic causes in CAVD with hypospadias. In total, 29 of 50 CAVD patients carried at least one CFTR mutation, but no ADGRG2 mutation was found. 5T was found to be the most frequent variant in our CAVD populations. Seven CAVD patients with hypospadias were further analyzed using WES. No homozygous or compound heterozygous mutations related to disorders of sex development (DSDs) or male infertility were identified by WES. CAVD with hypospadias presented lower testicular volume (9.71 ± 2.14 ml vs. 14.45 ± 2.93 ml, p < 0.001) and higher FSH level (FSH: 7.28 ± 3.91 IU/L vs. 4.24 ± 1.96 IU/L, p = 0.027) than CAVD without hypospadias. It is worth noting that neither CFTR or ADGRG2 mutation nor homozygous or compound heterozygous gene mutations were identified in seven CAVD cases with hypospadias. However, nine heterozygous or hemizygous mutations were selected as potential pathogenic genes in CAVD with hypospadias. In conclusion, CFTR variants, especially 5T, play a major role in the Chinese CAVD population. CAVD with hypospadias shows relatively lower testicular spermatogenesis, suggesting a different genetic basis or pathogenic factor from cystic fibrosis/CAVD or unilateral renal agenesis/CAVD.
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Feng J, Zhang Y, Yang X, Zhang Y. Heterogeneous spectrum of CFTR gene mutations in Chinese patients with CAVD and the dilemma of genetic blocking strategy. Reproduction 2022; 164:R47-R56. [PMID: 35913788 DOI: 10.1530/rep-21-0315] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Accepted: 06/17/2022] [Indexed: 01/18/2023]
Abstract
In brief The genetic heterogeneity of CFTR gene mutations in Chinese patients with congenital absence of the vas deferens (CAVD) differs from the hotspot mutation pattern in Caucasians. This paper reviews and suggests a more suitable screening strategy for the Chinese considering the dilemma of CFTR genetic blocking. Abstract Congenital absence of the vas deferens (CAVD) is a major cause of obstructive azoospermia and male infertility, with CFTR gene mutation as the main pathogenesis. Other genes such as ADGRG2, SLC9A3, and PANK2 have been discovered and proven to be associated with CAVD in recent studies. Multiple CFTR hotspot mutations have been found in Caucasians in several foreign countries, and relevant genetic counseling and preimplantation genetic diagnosis (PGD) have been conducted for decades. However, when we examined research on Chinese CAVD, we discovered that CFTR mutations show heterogeneity in the Chinese Han population, and there is currently no well-established screening strategy. Therefore, we have reviewed the literature, combining domestic and international research as well as our own, aiming to review research progress on the CFTR gene in China and discuss the appropriate scope for CFTR gene detection, the detection efficiency of other CAVD-related genes, and the screening strategy applicable to the Chinese Han population. This study provides more valuable information for genetic counseling and a theoretical basis for PGD and treatment for couples with CAVD when seeking reproductive assistance.
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Affiliation(s)
- Jiarong Feng
- 1Department of Infertility and Sexual Medicine, The Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Yanan Zhang
- 1Department of Infertility and Sexual Medicine, The Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Xiaojian Yang
- 1Department of Infertility and Sexual Medicine, The Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Yan Zhang
- 1Department of Infertility and Sexual Medicine, The Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
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Insight into the Mammalian Aquaporin Interactome. Int J Mol Sci 2022; 23:ijms23179615. [PMID: 36077012 PMCID: PMC9456110 DOI: 10.3390/ijms23179615] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/16/2022] [Accepted: 08/22/2022] [Indexed: 01/07/2023] Open
Abstract
Aquaporins (AQPs) are a family of transmembrane water channels expressed in all living organisms. AQPs facilitate osmotically driven water flux across biological membranes and, in some cases, the movement of small molecules (such as glycerol, urea, CO2, NH3, H2O2). Protein-protein interactions play essential roles in protein regulation and function. This review provides a comprehensive overview of the current knowledge of the AQP interactomes and addresses the molecular basis and functional significance of these protein-protein interactions in health and diseases. Targeting AQP interactomes may offer new therapeutic avenues as targeting individual AQPs remains challenging despite intense efforts.
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Ferlin A, Calogero AE, Krausz C, Lombardo F, Paoli D, Rago R, Scarica C, Simoni M, Foresta C, Rochira V, Sbardella E, Francavilla S, Corona G. Management of male factor infertility: position statement from the Italian Society of Andrology and Sexual Medicine (SIAMS) : Endorsing Organization: Italian Society of Embryology, Reproduction, and Research (SIERR). J Endocrinol Invest 2022; 45:1085-1113. [PMID: 35075609 DOI: 10.1007/s40618-022-01741-6] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 01/05/2022] [Indexed: 12/13/2022]
Abstract
PURPOSE Infertility affects 15-20% of couples and male factors are present in about half of the cases. For many aspects related to the diagnostic and therapeutic approach of male factor infertility, there is no general consensus, and the clinical approach is not uniform. METHODS In the present document by the Italian Society of Andrology and Sexual Medicine (SIAMS), endorsed by the Italian Society of Embryology, Reproduction, and Research (SIERR), we propose evidence-based recommendations for the diagnosis, treatment, and management of male factor infertility to improve patient and couple care. RESULTS Components of the initial evaluation should include at minimum medical history, physical examination, and semen analysis. Semen microbiological examination, endocrine assessment, and imaging are suggested in most men and recommended when specific risk factors for infertility exist or first-step analyses showed abnormalities. Full examination including genetic tests, testicular cytology/histology, or additional tests on sperm is clinically oriented and based on the results of previous investigations. For treatment purposes, the identification of the specific cause and the pathogenetic mechanism is advisable. At least, distinguishing pre-testicular, testicular, and post-testicular forms is essential. Treatment should be couple-oriented, including lifestyle modifications, etiologic therapies, empirical treatments, and ART on the basis of best evidence and with a gradual approach. CONCLUSION These Guidelines are based on two principal aspects: they are couple-oriented and place high value in assessing, preventing, and treating risk factors for infertility. These Guidelines also highlighted that male infertility and in particular testicular function might be a mirror of general health of a man.
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Affiliation(s)
- A Ferlin
- Department of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani 2, 35121, Padua, Italy.
| | - A E Calogero
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - C Krausz
- Department of Experimental and Clinical Biomedical Sciences 'Mario Serio', University of Florence, Florence, Italy
| | - F Lombardo
- Department of Experimental Medicine, Laboratory of Seminology-Sperm Bank "Loredana Gandini", University of Rome "La Sapienza", Rome, Italy
| | - D Paoli
- Department of Experimental Medicine, Laboratory of Seminology-Sperm Bank "Loredana Gandini", University of Rome "La Sapienza", Rome, Italy
| | - R Rago
- Department of Gender, Parenting, Child and Adolescent Medicine, Physiopathology of Reproduction and Andrology Unit, Sandro Pertini Hospital, Rome, Italy
| | - C Scarica
- European Hospital, Centre for Reproductive Medicine, Rome, Italy
| | - M Simoni
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - C Foresta
- Department of Medicine, Unit of Andrology and Reproductive Medicine, University of Padova, Via Giustiniani 2, 35121, Padua, Italy
| | - V Rochira
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - E Sbardella
- Department of Experimental Medicine, University of Rome "La Sapienza", Rome, Italy
| | - S Francavilla
- Department of Life, Health and Environmental Sciences, Unit of Andrology, University of L'Aquila, L'Aquila, Italy
| | - G Corona
- Medical Department, Endocrinology Unit, Maggiore-Bellaria Hospital, Azienda Usl, Bologna, Italy
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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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Pauwaert K, Muysoms F, Dewulf M. Incidental finding of a congenital unilateral absence of the vas deferens during robotic inguinal hernia repair: missing a crucial landmark. A case report. Acta Chir Belg 2022:1-4. [PMID: 35098883 DOI: 10.1080/00015458.2022.2035920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
INTRODUCTION We report on a case of congenital unilateral atresia of the vas deferens encountered during a robotic-assisted transabdominal preperitoneal (TAPP) inguinal hernia repair. CASE REPORT Our 65-years-old male patient was scheduled for a bilateral robotic-assisted TAPP inguinal hernia repair because of bilateral symptomatic groin hernia. Standard intraoperative dissection obtaining a critical view of the myopectineal orifice did not allow for an identification of the vas deferens (VD) on the left side. On the right side, a normal VD was identified. There was no suspicion of an intraoperative lesion or ligation of the VD. Both gonadal and inferior epigastric vessels were present on both sides. Upon clinical evaluation, no VD was palpable in the scrotum on the left side. The diagnosis of a congenital unilateral absence of the vas deferens was made. Additional abdominal computed tomography scan revealed a congenital agenesis of the left kidney, ureter, vesicula seminalis and vas deferens. DISCUSSION The accidental finding of a congenital absence of the vas deferens during inguinal hernia repair is rare. However, surgeons performing inguinal hernia repair should be aware of this condition and the clinical implications it poses, as this could prevent unnecessary exploration and missed diagnosis of associated underlying conditions.
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Affiliation(s)
- Kim Pauwaert
- Department of Urology, Gent University Hospital, Gent, Belgium
| | - Filip Muysoms
- Department of General Surgery, Maria Middelares Hospital, Gent, Belgium
| | - Maxime Dewulf
- Department of General Surgery, Maria Middelares Hospital, Gent, Belgium
- Department of Surgery, Maastricht University Medical Center, Maastricht, The Netherlands
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Li Q, Shen Y, Zhao LJ, Wang JB, Huang X. Mutations in CFTR genes are associated with oligoasthenospermia in infertile men undergoing IVF. Andrologia 2021; 54:e14355. [PMID: 34931337 DOI: 10.1111/and.14355] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 12/05/2021] [Accepted: 12/07/2021] [Indexed: 11/29/2022] Open
Abstract
Cystic fibrosis transmembrane conductance regulator (CFTR) gene mutation has been clearly defined in congenital absence of the vas deferens (CAVD), which is an important cause of obstructive azoospermia. However, the association between oligoasthenospermia and CFTR gene mutation remains controversial. To confirm this issue, 151 infertile Chinese men were screened for CFTR mutation by NGS approach, including 18 CAVD patients, 72 patients with severe oligoasthenospermia and 61 controls with normal sperm parameters. Frequency of mutation in exons of CFTR gene were 66.7% in CAVD patients (12/18) (p < 0.001) and 8.33% in severe oligoasthenospermic patients (6/72) (p < 0.05), both of which were significantly more frequent than that in the controls (0/61). In terms of introns mutation of CFTR gene, there was no significant difference in frequency of 5T between oligoasthenospermic men (5/144, 3.47%) and the controls (4/122, 3.28%) (p = 0.645). In addition, 6 novel mutations in exons of CFTR gene in this study (c.3736A>G, c.635T>G, c.482delA, c.1858C>T, c.2042A>T, c.1586A>C) have not been reported in the Cystic Fibrosis Mutation Database before. Thus, our study provides evidence that CFTR gene mutation may be the aetiology of severe oligoasthenospermia other than CAVD. It may be necessary to screen for CFTR mutations in men with severe oligoasthenospermia before receiving assisted reproductive technology.
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Affiliation(s)
- Qiang Li
- Center of Reproductive Medicine, Shanxi Women and Children Health Hospital, Taiyuan, China
| | - Yan Shen
- Center of Reproductive Medicine, Shanxi Women and Children Health Hospital, Taiyuan, China
| | - Li Jiang Zhao
- Center of Reproductive Medicine, Shanxi Women and Children Health Hospital, Taiyuan, China
| | - Jin Bao Wang
- Center of Reproductive Medicine, Shanxi Women and Children Health Hospital, Taiyuan, China
| | - Xiang Huang
- Center of Reproductive Medicine, Shanxi Women and Children Health Hospital, Taiyuan, China
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Laan M, Kasak L, Punab M. Translational aspects of novel findings in genetics of male infertility-status quo 2021. Br Med Bull 2021; 140:5-22. [PMID: 34755838 PMCID: PMC8677437 DOI: 10.1093/bmb/ldab025] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/22/2021] [Indexed: 12/18/2022]
Abstract
INTRODUCTION Male factor infertility concerns 7-10% of men and among these 40-60% remain unexplained. SOURCES OF DATA This review is based on recent published literature regarding the genetic causes of male infertility. AREAS OF AGREEMENT Screening for karyotype abnormalities, biallelic pathogenic variants in the CFTR gene and Y-chromosomal microdeletions have been routine in andrology practice for >20 years, explaining ~10% of infertility cases. Rare specific conditions, such as congenital hypogonadotropic hypogonadism, disorders of sex development and defects of sperm morphology and motility, are caused by pathogenic variants in recurrently affected genes, which facilitate high diagnostic yield (40-60%) of targeted gene panel-based testing. AREAS OF CONTROVERSY Progress in mapping monogenic causes of quantitative spermatogenic failure, the major form of male infertility, has been slower. No 'recurrently' mutated key gene has been identified and worldwide, a few hundred patients in total have been assigned a possible monogenic cause. GROWING POINTS Given the high genetic heterogeneity, an optimal approach to screen for heterogenous genetic causes of spermatogenic failure is sequencing exomes or in perspective, genomes. Clinical guidelines developed by multidisciplinary experts are needed for smooth integration of expanded molecular diagnostics in the routine management of infertile men. AREAS TIMELY FOR DEVELOPING RESEARCH Di-/oligogenic causes, structural and common variants implicated in multifactorial inheritance may explain the 'hidden' genetic factors. It is also critical to understand how the recently identified diverse genetic factors of infertility link to general male health concerns across lifespan and how the clinical assessment could benefit from this knowledge.
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Affiliation(s)
- Maris Laan
- Institute of Biomedicine and Translational Medicine, University of Tartu, 50411 Tartu, Estonia
| | - Laura Kasak
- Institute of Biomedicine and Translational Medicine, University of Tartu, 50411 Tartu, Estonia
| | - Margus Punab
- Institute of Biomedicine and Translational Medicine, University of Tartu, 50411 Tartu, Estonia.,Andrology Centre, Tartu University Hospital, 50406 Tartu, Estonia.,Institute of Clinical Medicine, University of Tartu, 50406 Tartu, Estonia
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Tan MQ, Huang WJ, Lan FH, Xu YJ, Zheng MY, Tang Y. Genetic mutation analysis of 22 patients with congenital absence of vas deferens: A single-center study†. Biol Reprod 2021; 106:108-117. [PMID: 34673937 DOI: 10.1093/biolre/ioab194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 09/24/2021] [Accepted: 10/15/2021] [Indexed: 11/13/2022] Open
Abstract
Congenital absence of the vas deferens (CAVD), a congenital malformation of the male reproductive system, causes obstructive azoospermia and male infertility. Currently, the cystic fibrosis transmembrane conductance regulator (CFTR) has been recognized as the main pathogenic gene in CAVD, with some other genes, such as adhesion G-protein coupled receptor G2 (ADGRG2), solute carrier family 9 isoform 3 (SLC9A3), sodium channel epithelial 1 subunit beta (SCNN1B), and carbonic anhydrase 12 (CA12) being candidate genes in the pathogenesis of CAVD. However, the frequency and spectrum of these mutations, as well as the pathogenic mechanisms of CAVD, have not been fully investigated. Here, we sequenced all genes with potentially pathogenic mutations using next-generation sequencing and verified all identified variants by Sanger sequencing. Further bioinformatic analysis was performed to predict the pathogenicity of mutations. We described the distribution of the p.V470M, poly-T, and TG-repeat CFTR polymorphisms, and identified novel missense mutations in the CFTR and SLC9A3 genes, respectively. Taken together, we identified mutations in the CFTR, ADGRG2, SLC9A3, SCNN1B, and CA12 genes in 22 patients with CAVD, thus broadening the genetic spectrum of Chinese patients with CAVD.
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Affiliation(s)
- Mao-Qing Tan
- Department of Central Laboratory, Fujian Medical University Union Hospital, Fuzhou, Fujian, 350001, P.R. China.,Department of Clinical Laboratory, Dongfang Hospital Affiliated to Xiamen University, Fuzhou, Fujian, 350025, P.R. China
| | - Wu-Jian Huang
- Center for Reproductive Medicine, 900TH Hospital of Joint Logistic Support Force, Fuzhou, Fujian, 350025, P.R. China
| | - Feng-Hua Lan
- Laboratory of Basic Medicine, 900TH Hospital of Joint Logistics Support Force, Fuzhou, Fujian, 350025, P.R. China
| | - Yong-Jun Xu
- Laboratory of Basic Medicine, 900TH Hospital of Joint Logistics Support Force, Fuzhou, Fujian, 350025, P.R. China
| | - Mei-Yu Zheng
- Laboratory of Basic Medicine, 900TH Hospital of Joint Logistics Support Force, Fuzhou, Fujian, 350025, P.R. China
| | - Ying Tang
- Laboratory of Basic Medicine, 900TH Hospital of Joint Logistics Support Force, Fuzhou, Fujian, 350025, P.R. China
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Brusq C, Mieusset R, Hamdi SM. Development of a multivariable prediction model for congenital unilateral absence of the vas deferens in male partners of infertile couples. Andrology 2021; 10:262-269. [PMID: 34510807 DOI: 10.1111/andr.13106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 09/01/2021] [Accepted: 09/07/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND Congenital unilateral absence of vas deferens has been diagnosed in fertile and normozoospermic males and is associated with the risk of unilateral renal absence or cystic fibrosis transmembrane conductance regulator mutations; but no prediction model currently exists to diagnose this condition. OBJECTIVES The study aims to identify clinical and biological variables that may have a predictive value for the diagnosis of congenital unilateral absence of vas deferens in male partners of infertile couples MATERIALS AND METHODS: We designed a retrospective, cross-sectional, case-control study on electronic health records of a single tertiary-care andrological centre collected between 1998 and 2018. We included all subjects diagnosed with congenital unilateral absence of vas deferens using combined scrotal and transrectal ultrasounds. Controls were confirmed free of congenital unilateral absence of vas deferens by the same way. Both groups received standardised exploration procedures. Multivariable logistic regression model was built in a backward stepwise manner. Model performance and calibration were assessed. The study is reported according to TRIPOD statement. RESULTS We included 69 congenital unilateral absence of vas deferens cases and 78 controls. Cases had a lower semen volume than controls. The congenital unilateral absence of vas deferens risk was associated with history of cryptorchidism and both levels of semen fructose and α-glucosidase. These predictors were confirmed by a random forest algorithm. The area under the curve was 0.886 (95% interval: 0.81-0.92). Calibration was performed with the Hosmer-Lemeshow test (p = 0.88). DISCUSSION AND CONCLUSION History of cryptorchidism, semen fructose and α-glucosidase were identified as relevant and independent predictors for the diagnosis of congenital unilateral absence of vas deferens. The model enables to identify male patients with a high risk of congenital unilateral absence of vas deferens to whom a transrectal ultrasounds would be proposed to confirm the diagnosis, whatever their semen parameters. It will also help to address the risks of unilateral renal absence and of cystic fibrosis transmembrane conductance regulator mutations carrying during the management of infertile couples.
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Affiliation(s)
- Clara Brusq
- DEFE, Univ Toulouse, Université Toulouse III, Paul Sabatier, INSERM, Toulouse, France
| | - Roger Mieusset
- DEFE, Univ Toulouse, Université Toulouse III, Paul Sabatier, INSERM, Toulouse, France.,Andrologie, Médecine de la Reproduction, CHU Toulouse, Toulouse, France
| | - Safouane M Hamdi
- DEFE, Univ Toulouse, Université Toulouse III, Paul Sabatier, INSERM, Toulouse, France.,Laboratoire de Biochimie et d'Hormonologie, CHU Toulouse, Toulouse, France
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Ghieh F, Barbotin AL, Leroy C, Marcelli F, Swierkowsky-Blanchard N, Serazin V, Mandon-Pepin B, Vialard F. Will whole-genome sequencing become the first-line genetic analysis for male infertility in the near future? Basic Clin Androl 2021; 31:21. [PMID: 34407766 PMCID: PMC8375164 DOI: 10.1186/s12610-021-00138-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 07/03/2021] [Indexed: 01/29/2023] Open
Abstract
Whereas the initially strategy for the genetic analysis of male infertility was based on a candidate gene approach, the development of next-generation sequencing technologies (such as whole-exome sequencing (WES)) provides an opportunity to analyze many genes in a single procedure. In order to recommend WES or whole-genome sequencing (WGS) after genetic counselling, an objective evaluation of the current genetic screening strategy for male infertility is required, even if, at present, we have to take into consideration the complexity of such a procedure, not discussed in this commentary.
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Affiliation(s)
- Farah Ghieh
- UVSQ, INRAE, BREED, Université Paris-Saclay, F-78350, Jouy-en-Josas, France.,Ecole Nationale Vétérinaire d'Alfort, BREED, F-94700, Maisons-Alfort, France
| | - Anne-Laure Barbotin
- Institut de Biologie de la Reproduction-Spermiologie-CECOS, Hôpital Jeanne de Flandre, Centre Hospitalier et Universitaire, F -59000, Lille, France
| | - Clara Leroy
- Institut de Biologie de la Reproduction-Spermiologie-CECOS, Hôpital Jeanne de Flandre, Centre Hospitalier et Universitaire, F -59000, Lille, France
| | - François Marcelli
- Institut de Biologie de la Reproduction-Spermiologie-CECOS, Hôpital Jeanne de Flandre, Centre Hospitalier et Universitaire, F -59000, Lille, France
| | - Nelly Swierkowsky-Blanchard
- UVSQ, INRAE, BREED, Université Paris-Saclay, F-78350, Jouy-en-Josas, France.,Département de Gynécologie-Obstétrique, CHI de Poissy-St Germain en Laye, F-78300, Poissy, France
| | - Valérie Serazin
- UVSQ, INRAE, BREED, Université Paris-Saclay, F-78350, Jouy-en-Josas, France.,Ecole Nationale Vétérinaire d'Alfort, BREED, F-94700, Maisons-Alfort, France.,Département de Génétique, Laboratoire de Biologie Médicale, CHI de Poissy-St Germain en Laye, F-78300, Poissy, France
| | - Béatrice Mandon-Pepin
- UVSQ, INRAE, BREED, Université Paris-Saclay, F-78350, Jouy-en-Josas, France.,Ecole Nationale Vétérinaire d'Alfort, BREED, F-94700, Maisons-Alfort, France
| | - François Vialard
- UVSQ, INRAE, BREED, Université Paris-Saclay, F-78350, Jouy-en-Josas, France. .,Ecole Nationale Vétérinaire d'Alfort, BREED, F-94700, Maisons-Alfort, France. .,Département de Génétique, Laboratoire de Biologie Médicale, CHI de Poissy-St Germain en Laye, F-78300, Poissy, France.
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DEMİR EKŞİ D, YILMAZ E, AKIN Y, USTA MF, BAŞAR MM, KAHRAMAN S, ERMAN M, ALPER ÖM. Copy Number Variation Analysis in Turkish Patients with Congenital Bilateral Absence of Vas Deferens. ACTA MEDICA ALANYA 2021. [DOI: 10.30565/medalanya.966940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Mokos M, Planinić A, Bilić K, Katušić Bojanac A, Sinčić N, Bulić Jakuš F, Ježek D. Stereological properties of seminiferous tubules in infertile men with chromosomal and genetic abnormalities. Minerva Endocrinol (Torino) 2021; 47:11-22. [PMID: 34328293 DOI: 10.23736/s2724-6507.21.03589-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/08/2022]
Abstract
BACKGROUND Male infertility is caused by genetic anomalies in 15%-30% of cases. This study aimed to determine stereological properties of seminiferous tubules in infertile men with genetic anomalies, including Klinefelter syndrome (KS), Y chromosome microdeletions (MYC) and CFTR gene mutations (CFTR), and to compare them to seminiferous tubules of men with obstructive azoospermia of non-genetic origin (control group). METHODS The study was conducted on 28 human testis biopsy specimens obtained from 14 patients with MYC, 18 samples from 9 patients with KS, and 6 samples from 3 patients with CFTR. Whenever possible, a bilateral biopsy was included in the study. The control group had 33 samples from 18 patients (3 of them with a solitary testis). Qualitative and quantitative (stereological) analysis of seminiferous tubules (including the status of spermatogenesis, volume, surface area, length and number of tubules) were performed in all groups. RESULTS Qualitative histological analysis revealed significant impairment of spermatogenesis in KS and MYC, whereas testicular parenchyma was fully maintained in CFTR and control groups. Spermatogenesis was most seriously impaired in KS. All stereological parameters were significantly lower in KS and MYC, compared to the CFTR and control groups. The total volume, surface and length of seminiferous tubules were significantly lower in KS compared with MYC. CONCLUSIONS Stereological analysis is valuable in evaluating male infertility, whereas qualitative histological analysis can be helpful in assessing sperm presence in testicular tissue of patients with KS or MYK undergoing TESE.
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Affiliation(s)
- Mislav Mokos
- Department of Histology and Embryology, School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Ana Planinić
- Department of Histology and Embryology, School of Medicine, University of Zagreb, Zagreb, Croatia.,Centre of Excellence for Reproductive and Regenerative Medicine, School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Katarina Bilić
- Department of Histology and Embryology, School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Ana Katušić Bojanac
- Centre of Excellence for Reproductive and Regenerative Medicine, School of Medicine, University of Zagreb, Zagreb, Croatia.,Department of Medical Biology, School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Nino Sinčić
- Centre of Excellence for Reproductive and Regenerative Medicine, School of Medicine, University of Zagreb, Zagreb, Croatia.,Department of Medical Biology, School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Florijana Bulić Jakuš
- Centre of Excellence for Reproductive and Regenerative Medicine, School of Medicine, University of Zagreb, Zagreb, Croatia.,Department of Medical Biology, School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Davor Ježek
- Department of Histology and Embryology, School of Medicine, University of Zagreb, Zagreb, Croatia - .,Centre of Excellence for Reproductive and Regenerative Medicine, School of Medicine, University of Zagreb, Zagreb, Croatia
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Daum H, Zlotogora J. Fanconi Anemia Gene Variants in Patients with Gonadal Dysfunction. Reprod Sci 2021; 29:1408-1413. [PMID: 33977503 DOI: 10.1007/s43032-021-00582-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 04/11/2021] [Indexed: 11/28/2022]
Abstract
Fanconi anemia (FA) is a multisystem disease, characterized by the triad of physical abnormalities, bone marrow failure, and increased risk for malignancy. In the past few years, data has accumulated regarding fertility issues in FA patients, mostly due to gonadal dysfunction, which is prevalent in FA patients reaching puberty. It seems that attenuated FA phenotype lacking the classical manifestations often is presented with POI or azoospermia. Searching the literature, we summarized data regarding FA patients presenting as suffering from sub/infertility due to gonadal dysfunction, with or without other FA symptoms. We present a summary of the patients having biallelic pathogenic variants in FA genes FANCA, FANCM, BRCA2, and XRCC2 that presented with gonadal dysfunction with or without other phenotypic features of FA. Some were in mosaic, while some are considered hypomorphic, enabling residual protein function. There are also a few descriptions of POI associated with monoallelic pathogenic variants in FANCA, BRCA2, and FANCL. We conclude that the diagnosis of FA in gonadal dysfunction patients is of utmost importance due to its actionability. Follow-up strategies in FA patients are designed to discover early stages of leukemias and solid tumors and thus save lives. The feasibility of next-generation sequencing (NGS) can now ease this diagnostic procedure. An open question is the justification of performing NGS for all isolated azoospermia/POI patients.
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Affiliation(s)
- Hagit Daum
- Department of Genetics, Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel.
| | - Joël Zlotogora
- Department of Genetics, Hadassah Medical Organization and Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
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39
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Wyrwoll MJ, Rudnik-Schöneborn S, Tüttelmann F. Genetic counseling and diagnostic guidelines for couples with infertility and/or recurrent miscarriage. MED GENET-BERLIN 2021; 33:3-12. [PMID: 38836211 PMCID: PMC11006321 DOI: 10.1515/medgen-2021-2051] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 02/11/2021] [Indexed: 06/06/2024]
Abstract
Around 10-15 % of all couples are infertile, rendering infertility a widespread disease. Male and female causes contribute equally to infertility, and, depending on the definition, roughly 1 % to 5 % of all couples experience recurrent miscarriages. In German-speaking countries, recommendations for infertile couples and couples with recurrent miscarriages are published as consensus-based (S2k) Guidelines by the "Arbeitsgemeinschaft der Wissenschaftlichen Medizinischen Fachgesellschaften" (AWMF). This article summarizes the current recommendations with regard to genetic counseling and diagnostics. Prior to genetic counseling, the infertile couple must undergo a gynecological/andrological examination, which includes anamnesis, hormonal profiling, physical examination and genital ultrasound. Women should be examined for the presence of hyperandrogenemia. Men must further undergo a semen analysis. Based on the overall results, hyper- or hypogonadotropic hypogonadism can be diagnosed in both sexes. Female genetic diagnostics for infertility comprise karyotyping, analysis of the FMR1 premutation and a gene panel including genes associated with congenital hypogonadotropic hypogonadism (CHH) or congenital adrenal hyperplasia. Male genetic diagnostics for infertility comprise karyotyping, screening for AZF microdeletions, CFTR analysis and a gene panel including genes associated with CHH. Also, gene panels are increasingly being used to causally clarify specific phenotypes such as defective sperm morphology/motility or azoospermia. As infertile couples have an increased risk for chromosomal aberrations, a chromosomal analysis should also be offered to both partners prior to undergoing assisted reproductive technology. In couples with recurrent miscarriages, karyotyping is recommended to detect balanced structural chromosomal aberrations.
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Affiliation(s)
- Margot J Wyrwoll
- Institute of Reproductive Genetics, University of Münster, Vesaliusweg 12-14, 48149Münster, Germany
| | | | - Frank Tüttelmann
- Institute of Reproductive Genetics, University of Münster, Vesaliusweg 12-14, 48149Münster, Germany
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40
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Chagay NB, Khayt GY, Vdovina TM, Shaforost AA. [Cystic fibrosis being a polyendocrine disease (Review)]. ACTA ACUST UNITED AC 2021; 67:28-39. [PMID: 34004101 PMCID: PMC8926149 DOI: 10.14341/probl12694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 02/22/2021] [Accepted: 03/30/2021] [Indexed: 11/06/2022]
Abstract
The cystic fibrosis transmembrane regulator (CFTR) gene encodes the synthesis of a protein of the same name, which functions as a direct activator of anionic transport. Chloride is the most abundant anion; as an antagonist of Na+ and K+, it provides electroneutrality of cell membranes at rest; together with cations, it serves as an important osmolyte and forms water flow across cell membranes for transepithelial secretion.Glandular cells in CF trap Cl- and Na+, and the prodused secretion is excessively viscous. Subnormal CFTR activity leads to stagnation of mucociliary clearance, inhibition of intestinal transport.In addition to exocrine disorders, CFTR mutations are associated with a decrease in volume, mass, increased apoptosis of β-cells of the pancreas, a significant suppression of insulin exocytosis in response to stimulation with glucose and glucagon-like peptide-1, hyperglucagonemia against the background of a defect in the suppression of α-cell function by insulin, but a decrease in maximum capacity α-cells.Deficiency and progressive decline in bone mineral density is an expected secondary manifestation of CF due to pancreatic exocrine insufficiency with malabsorption of nutrients and fat-soluble vitamins. However, in patients with the F508del mutation, a significant decrease in the synthesis of OPG, COX-2, PGE2 in the osteoblastic formation, and an increase in the activity of the antianabolic NF-kB were found. We are talking about a defect in the canonical signaling pathway (Wnt/β-catenin), which regulates the expression of genes-activators of osteoblastogenesis, dissociation of the stages of physiological bone remodeling.In addition to congenital bilateral or unilateral aplasia of the vas deferens, an increase in the frequency of CFTR mutations is also found in non-obstructive azoospermia, oligo-, astheno- and teratospermia. CFTR is involved in the entry of HCO3- into Sertoli cells to trigger cAMP-dependent transcription and its defects lead to suppression of FSH-dependent gene expression of spermatogenesis, loss of sequence in the Wnt cascade, destruction of the PGE2-dependent transepithelial interaction and, as a consequence, the blood-testicular barrier.CF is characterized, along with classical signs, by endocrine dysfunction of the pancreas, osteoporosis with suppression of osteoblastogenesis, and a defect in spermatogenesis.
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Affiliation(s)
- N B Chagay
- Stavropol Regional Clinical Consultative and Diagnostic Center; Stavropol State Medical University
| | - G Ya Khayt
- Stavropol Regional Clinical Consultative and Diagnostic Center; Stavropol State Medical University
| | - T M Vdovina
- Stavropol Regional Clinical Consultative and Diagnostic Center
| | - A A Shaforost
- Stavropol Regional Clinical Consultative and Diagnostic Center
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41
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Genetics of Azoospermia. Int J Mol Sci 2021; 22:ijms22063264. [PMID: 33806855 PMCID: PMC8004677 DOI: 10.3390/ijms22063264] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 03/11/2021] [Accepted: 03/17/2021] [Indexed: 12/14/2022] Open
Abstract
Azoospermia affects 1% of men, and it can be due to: (i) hypothalamic-pituitary dysfunction, (ii) primary quantitative spermatogenic disturbances, (iii) urogenital duct obstruction. Known genetic factors contribute to all these categories, and genetic testing is part of the routine diagnostic workup of azoospermic men. The diagnostic yield of genetic tests in azoospermia is different in the different etiological categories, with the highest in Congenital Bilateral Absence of Vas Deferens (90%) and the lowest in Non-Obstructive Azoospermia (NOA) due to primary testicular failure (~30%). Whole-Exome Sequencing allowed the discovery of an increasing number of monogenic defects of NOA with a current list of 38 candidate genes. These genes are of potential clinical relevance for future gene panel-based screening. We classified these genes according to the associated-testicular histology underlying the NOA phenotype. The validation and the discovery of novel NOA genes will radically improve patient management. Interestingly, approximately 37% of candidate genes are shared in human male and female gonadal failure, implying that genetic counselling should be extended also to female family members of NOA patients.
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42
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Krausz C. Editorial for the special issue on the molecular genetics of male infertility. Hum Genet 2021; 140:1-5. [PMID: 33337534 DOI: 10.1007/s00439-020-02245-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Csilla Krausz
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Florence, Italy.
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43
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Sharma A, Minhas S, Dhillo WS, Jayasena CN. Male infertility due to testicular disorders. J Clin Endocrinol Metab 2021; 106:e442-e459. [PMID: 33295608 PMCID: PMC7823320 DOI: 10.1210/clinem/dgaa781] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Indexed: 12/13/2022]
Abstract
CONTEXT Male infertility is defined as the inability to conceive following 1 year of regular unprotected intercourse. It is the causative factor in 50% of couples and a leading indication for assisted reproductive techniques (ART). Testicular failure is the most common cause of male infertility, yet the least studied to date. EVIDENCE ACQUISITION The review is an evidence-based summary of male infertility due to testicular failure with a focus on etiology, clinical assessment, and current management approaches. PubMed-searched articles and relevant clinical guidelines were reviewed in detail. EVIDENCE SYNTHESIS/RESULTS Spermatogenesis is under multiple levels of regulation and novel molecular diagnostic tests of sperm function (reactive oxidative species and DNA fragmentation) have since been developed, and albeit currently remain as research tools. Several genetic, environmental, and lifestyle factors provoking testicular failure have been elucidated during the last decade; nevertheless, 40% of cases are idiopathic, with novel monogenic genes linked in the etiopathogenesis. Microsurgical testicular sperm extraction (micro-TESE) and hormonal stimulation with gonadotropins, selective estrogen receptor modulators, and aromatase inhibitors are recently developed therapeutic approaches for men with the most severe form of testicular failure, nonobstructive azoospermia. However, high-quality clinical trials data is currently lacking. CONCLUSIONS Male infertility due to testicular failure has traditionally been viewed as unmodifiable. In the absence of effective pharmacological therapies, delivery of lifestyle advice is a potentially important treatment option. Future research efforts are needed to determine unidentified factors causative in "idiopathic" male infertility and long-term follow-up studies of babies conceived through ART.
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Affiliation(s)
- Aditi Sharma
- Section of Endocrinology and Investigative Medicine, Imperial College London, UK
| | - Suks Minhas
- Department of Urology, Charing Cross Hospital, London, UK
| | - Waljit S Dhillo
- Section of Endocrinology and Investigative Medicine, Imperial College London, UK
| | - Channa N Jayasena
- Section of Endocrinology and Investigative Medicine, Imperial College London, UK
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44
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Joseph S, Mahale SD. Male Infertility Knowledgebase: decoding the genetic and disease landscape. DATABASE-THE JOURNAL OF BIOLOGICAL DATABASES AND CURATION 2021; 2021:6344845. [PMID: 34363073 PMCID: PMC8346693 DOI: 10.1093/database/baab049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 07/01/2021] [Accepted: 08/05/2021] [Indexed: 11/13/2022]
Abstract
Male infertility is a multifactorial condition that contributes to around one-third of cases of infertility worldwide. Several chromosomal aberrations, single-gene and polygenic associations with male factor defects have been reported. These defects manifest as sperm number or sperm quality defects leading to infertility. However, in almost 40% of cases, the genetic etiology of male infertility remains unexplained. Understanding the causal genetic factors is crucial for effective patient management and counseling. Integrating the vast amount of available omics data on male infertility is a first step towards understanding, delineating and prioritizing genes associated with the different male reproductive disorders. The Male Infertility Knowledgebase (MIK) is a manually curated repository developed to boost research on the elusive genetic etiology of male infertility. It integrates information on ∼17 000 genes, their associated pathways, gene ontology, diseases and gene and sequence-based analysis tools. In addition, it also incorporates information on reported chromosomal aberrations and syndromic associations with male infertility. Disease enrichment of genes in MIK indicate a shared genetic etiology between cancer, male and female infertility disorders. While the genes involved in cancer pathways were found to be common causal factors for sperm number and sperm quality defects, the interleukin pathways were found to be shared and enriched between male factor defects and non-reproductive conditions like cardiovascular diseases, metabolic diseases, etc. Disease information in MIK can be explored further to identify high-risk conditions associated with male infertility and delineate shared genetic etiology. Utility of the knowledgebase in predicting novel genes is illustrated by identification of 149 novel candidates for cryptorchidism using gene prioritization and network analysis. MIK will serve as a platform for review of genetic information on male infertility, identification pleiotropic genes, prediction of novel candidate genes for the different male infertility diseases and for portending future high-risk diseases associated with male infertility. Database URL: http://mik.bicnirrh.res.in/
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Affiliation(s)
- Shaini Joseph
- Genetic Research Center, ICMR-National Institute for Research in Reproductive Health, J.M. Street, Parel, Mumbai 400012, India
| | - Smita D Mahale
- Emeritus Scientist, ICMR-National Institute for Research in Reproductive Health, J.M. Street, Parel, Mumbai 400012, India
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Harada J, Kihara T, Kawada K, Gono S, Sagawa R, Kondo T, Yuno T, Shida Y, Hakariya T, Kosaka T, Dateki S, Miyata Y, Sakai H. [A CASE OF CONGENITAL UNILATERAL ABSENCE OF THE VAS DEFERENS WITH SUSPECTED IPSILATERAL RENAL AGENESIS]. Nihon Hinyokika Gakkai Zasshi 2021; 112:154-158. [PMID: 35858812 DOI: 10.5980/jpnjurol.112.154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
A 5-month-old boy was referred to our department to examine poor development of external genitalia. The patient was diagnosed with micropenis and bilateral impalpable testes, and testosterone replacement therapy was recommended. The testes remained impalpable at 14 months of age; therefore, laparoscopy was performed to explore intra-abdominal testes. The patient was incidentally diagnosed with congenital unilateral absence of the right vas deferens. A renal sonography performed after the operation revealed a high possibility of right renal agenesis. Congenital absence of the vas deferens is associated with a high probability of renal anomalies. It is, therefore, essential to pay careful attention to renal dysfunction.
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Affiliation(s)
- Junki Harada
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences
| | - Toshiharu Kihara
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences
| | - Ken Kawada
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences
| | - Suzuna Gono
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences
| | - Ryo Sagawa
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences
| | - Tsubasa Kondo
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences
| | - Tsutomu Yuno
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences
| | - Yohei Shida
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences
| | - Tomoaki Hakariya
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences
| | - Taiichiro Kosaka
- Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences
| | - Sumito Dateki
- Department of Pediatrics, Nagasaki University Graduate School of Biomedical Sciences
| | - Yasuyoshi Miyata
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences
| | - Hideki Sakai
- Department of Urology, Nagasaki University Graduate School of Biomedical Sciences
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Xavier MJ, Salas-Huetos A, Oud MS, Aston KI, Veltman JA. Disease gene discovery in male infertility: past, present and future. Hum Genet 2021; 140:7-19. [PMID: 32638125 PMCID: PMC7864819 DOI: 10.1007/s00439-020-02202-x] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 06/26/2020] [Indexed: 12/13/2022]
Abstract
Identifying the genes causing male infertility is important to increase our biological understanding as well as the diagnostic yield and clinical relevance of genetic testing in this disorder. While significant progress has been made in some areas, mainly in our knowledge of the genes underlying rare qualitative sperm defects, the same cannot be said for the genetics of quantitative sperm defects. Technological advances and approaches in genomics are critical for the process of disease gene identification. In this review we highlight the impact of various technological developments on male infertility gene discovery as well as functional validation, going from the past to the present and the future. In particular, we draw attention to the use of unbiased genomics approaches, the development of increasingly relevant functional assays and the importance of large-scale international collaboration to advance disease gene identification in male infertility.
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Affiliation(s)
- M J Xavier
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle-upon-Tyne, UK
| | - A Salas-Huetos
- Andrology and IVF Laboratory, Department of Surgery (Urology), University of Utah, Salt Lake City, USA
| | - M S Oud
- Department of Human Genetics, Radboud University Medical Centre, Nijmegen, Netherlands
| | - K I Aston
- Andrology and IVF Laboratory, Department of Surgery (Urology), University of Utah, Salt Lake City, USA.
| | - J A Veltman
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle-upon-Tyne, UK.
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De Palma FDE, Raia V, Kroemer G, Maiuri MC. The Multifaceted Roles of MicroRNAs in Cystic Fibrosis. Diagnostics (Basel) 2020; 10:E1102. [PMID: 33348555 PMCID: PMC7765910 DOI: 10.3390/diagnostics10121102] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 12/14/2020] [Accepted: 12/15/2020] [Indexed: 12/11/2022] Open
Abstract
Cystic fibrosis (CF) is a lifelong disorder affecting 1 in 3500 live births worldwide. It is a monogenetic autosomal recessive disease caused by loss-of-function mutations in the gene encoding the chloride channel cystic fibrosis transmembrane conductance regulator (CFTR), the impairment of which leads to ionic disequilibria in exocrine organs. This translates into a chronic multisystemic disease characterized by airway obstruction, respiratory infections, and pancreatic insufficiency as well as hepatobiliary and gastrointestinal dysfunction. Molecular characterization of the mutational heterogeneity of CFTR (affected by more than 2000 variants) improved the understanding and management of CF. However, these CFTR variants are linked to different clinical manifestations and phenotypes, and they affect response to treatments. Expanding evidence suggests that multisystemic disease affects CF pathology via impairing either CFTR or proteins regulated by CFTR. Thus, altering the expression of miRNAs in vivo could constitute an appealing strategy for developing new CF therapies. In this review, we will first describe the pathophysiology and clinical management of CF. Then, we will summarize the current knowledge on altered miRNAs in CF patients, with a focus on the miRNAs involved in the deregulation of CFTR and in the modulation of inflammation. We will highlight recent findings on the potential utility of measuring circulating miRNAs in CF as diagnostic, prognostic, and predictive biomarkers. Finally, we will provide an overview on potential miRNA-based therapeutic approaches.
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Affiliation(s)
- Fatima Domenica Elisa De Palma
- Equipe 11 Labellisée Ligue Contre le Cancer, Centre de Recherche des Cordeliers, INSERM UMRS 1138, Sorbonne Université, Université of Paris, 75006 Paris, France;
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, 94805 Villejuif, France
- CEINGE-Biotecnologie Avanzate, 80145 Naples, Italy
| | - Valeria Raia
- Pediatric Unit, Department of Translational Medical Sciences, Regional Cystic Fibrosis Center, Federico II University Naples, 80131 Naples, Italy;
| | - Guido Kroemer
- Equipe 11 Labellisée Ligue Contre le Cancer, Centre de Recherche des Cordeliers, INSERM UMRS 1138, Sorbonne Université, Université of Paris, 75006 Paris, France;
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, 94805 Villejuif, France
- Suzhou Institute for Systems Medicine, Chinese Academy of Sciences, Suzhou 215123, China
- Karolinska Institutet, Department of Women’s and Children’s Health, 17176 Stockholm, Sweden
- Pôle de Biologie, Hôpital Européen Georges Pompidou, AP-HP, 75015 Paris, France
- Institut Universitaire de France, 75005 Paris, France
| | - Maria Chiara Maiuri
- Equipe 11 Labellisée Ligue Contre le Cancer, Centre de Recherche des Cordeliers, INSERM UMRS 1138, Sorbonne Université, Université of Paris, 75006 Paris, France;
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Institute, 94805 Villejuif, France
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Capalbo A, Poli M, Riera-Escamilla A, Shukla V, Kudo Høffding M, Krausz C, Hoffmann ER, Simon C. Preconception genome medicine: current state and future perspectives to improve infertility diagnosis and reproductive and health outcomes based on individual genomic data. Hum Reprod Update 2020; 27:254-279. [PMID: 33197264 DOI: 10.1093/humupd/dmaa044] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 08/13/2020] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Our genetic code is now readable, writable and hackable. The recent escalation of genome-wide sequencing (GS) applications in population diagnostics will not only enable the assessment of risks of transmitting well-defined monogenic disorders at preconceptional stages (i.e. carrier screening), but also facilitate identification of multifactorial genetic predispositions to sub-lethal pathologies, including those affecting reproductive fitness. Through GS, the acquisition and curation of reproductive-related findings will warrant the expansion of genetic assessment to new areas of genomic prediction of reproductive phenotypes, pharmacogenomics and molecular embryology, further boosting our knowledge and therapeutic tools for treating infertility and improving women's health. OBJECTIVE AND RATIONALE In this article, we review current knowledge and potential development of preconception genome analysis aimed at detecting reproductive and individual health risks (recessive genetic disease and medically actionable secondary findings) as well as anticipating specific reproductive outcomes, particularly in the context of IVF. The extension of reproductive genetic risk assessment to the general population and IVF couples will lead to the identification of couples who carry recessive mutations, as well as sub-lethal conditions prior to conception. This approach will provide increased reproductive autonomy to couples, particularly in those cases where preimplantation genetic testing is an available option to avoid the transmission of undesirable conditions. In addition, GS on prospective infertility patients will enable genome-wide association studies specific for infertility phenotypes such as predisposition to premature ovarian failure, increased risk of aneuploidies, complete oocyte immaturity or blastocyst development failure, thus empowering the development of true reproductive precision medicine. SEARCH METHODS Searches of the literature on PubMed Central included combinations of the following MeSH terms: human, genetics, genomics, variants, male, female, fertility, next generation sequencing, genome exome sequencing, expanded carrier screening, secondary findings, pharmacogenomics, controlled ovarian stimulation, preconception, genetics, genome-wide association studies, GWAS. OUTCOMES Through PubMed Central queries, we identified a total of 1409 articles. The full list of articles was assessed for date of publication, limiting the search to studies published within the last 15 years (2004 onwards due to escalating research output of next-generation sequencing studies from that date). The remaining articles' titles were assessed for pertinence to the topic, leaving a total of 644 articles. The use of preconception GS has the potential to identify inheritable genetic conditions concealed in the genome of around 4% of couples looking to conceive. Genomic information during reproductive age will also be useful to anticipate late-onset medically actionable conditions with strong genetic background in around 2-4% of all individuals. Genetic variants correlated with differential response to pharmaceutical treatment in IVF, and clear genotype-phenotype associations are found for aberrant sperm types, oocyte maturation, fertilization or pre- and post-implantation embryonic development. All currently known capabilities of GS at the preconception stage are reviewed along with persisting and forthcoming barriers for the implementation of precise reproductive medicine. WIDER IMPLICATIONS The expansion of sequencing analysis to additional monogenic and polygenic traits may enable the development of cost-effective preconception tests capable of identifying underlying genetic causes of infertility, which have been defined as 'unexplained' until now, thus leading to the development of a true personalized genomic medicine framework in reproductive health.
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Affiliation(s)
- Antonio Capalbo
- Igenomix Italy, Marostica, Italy.,Igenomix Foundation, INCLIVA, Valencia, Spain
| | | | - Antoni Riera-Escamilla
- Andrology Department, Fundació Puigvert, Universitat Autònoma de Barcelona, Instituto de Investigaciones Biomédicas Sant Pau (IIB-Sant Pau), Barcelona, Spain
| | - Vallari Shukla
- Department of Cellular and Molecular Medicine, DRNF Center for Chromosome Stability, University of Copenhagen, Copenhagen, Denmark
| | - Miya Kudo Høffding
- Department of Cellular and Molecular Medicine, DRNF Center for Chromosome Stability, University of Copenhagen, Copenhagen, Denmark
| | - Csilla Krausz
- Andrology Department, Fundació Puigvert, Universitat Autònoma de Barcelona, Instituto de Investigaciones Biomédicas Sant Pau (IIB-Sant Pau), Barcelona, Spain.,Department of Experimental and Clinical Biomedical Sciences "Mario Serio", Centre of Excellence DeNothe, University of Florence, Florence, Italy
| | - Eva R Hoffmann
- Department of Cellular and Molecular Medicine, DRNF Center for Chromosome Stability, University of Copenhagen, Copenhagen, Denmark
| | - Carlos Simon
- Igenomix Foundation, INCLIVA, Valencia, Spain.,Department of Obstetrics and Gynecology, University of Valencia, Valencia, Spain.,Department of Obstetrics and Gynecology BIDMC, Harvard University, Cambridge, MA, USA
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Wu H, Gao Y, Ma C, Shen Q, Wang J, Lv M, Liu C, Cheng H, Zhu F, Tian S, Elshewy N, Ni X, Tan Q, Xu X, Zhou P, Wei Z, Zhang F, He X, Cao Y. A novel hemizygous loss-of-function mutation in ADGRG2 causes male infertility with congenital bilateral absence of the vas deferens. J Assist Reprod Genet 2020; 37:1421-1429. [PMID: 32314195 PMCID: PMC7311603 DOI: 10.1007/s10815-020-01779-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 04/08/2020] [Indexed: 11/26/2022] Open
Abstract
PURPOSE Cystic fibrosis transmembrane conductance regulator (CFTR) and adhesion G protein-coupled receptor G2 (ADGRG2) have been identified as the main pathogenic genes in congenital bilateral absence of the vas deferens (CBAVD), which is an important cause of obstructive azoospermia. This study aimed to identify the disease-causing gene in two brothers with CBAVD from a Chinese consanguineous family and reveal the intracytoplasmic sperm injection (ICSI) outcomes in these patients. METHODS Whole-exome sequencing and Sanger sequencing were used to identify the candidate pathogenic genes. Real-time polymerase chain reaction, immunohistochemistry, and immunofluorescence were used to assess the expression of the mutant gene. Moreover, the ICSI results from both patients were retrospectively reviewed. RESULTS A novel hemizygous loss-of-function mutation (c.G118T: p.Glu40*) in ADGRG2 was identified in both patients with CBAVD. This mutation is absent from the human genome databases and causes an early translational termination in the third exon of ADGRG2. Expression analyses showed that both the ADGRG2 mRNA and the corresponding protein were undetectable in the proximal epididymal tissue of ADGRG2-mutated patients. ADGRG2 expression was restricted to the apical membranes of non-ciliated epithelia in human efferent ducts, which was consistent with a previous report in mice. Both ADGRG2-mutated patients had normal spermatogenesis and had successful clinical outcomes following ICSI. CONCLUSIONS Our study verifies the pathogenic role of ADGRG2 in X-linked CBAVD and broadens the spectrum of ADGRG2 mutations. In addition, we found positive ICSI outcomes in the two ADGRG2-mutated CBAVD patients.
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Affiliation(s)
- Huan Wu
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract (Anhui Medical University), No 81 Meishan Road, Hefei, 230032, China
- Key Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People's Republic of China, No 81 Meishan Road, Hefei, 230032, China
| | - Yang Gao
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract (Anhui Medical University), No 81 Meishan Road, Hefei, 230032, China
- Key Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People's Republic of China, No 81 Meishan Road, Hefei, 230032, China
| | - Cong Ma
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract (Anhui Medical University), No 81 Meishan Road, Hefei, 230032, China
- Key Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People's Republic of China, No 81 Meishan Road, Hefei, 230032, China
| | - Qunshan Shen
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022, China
| | - Jiajia Wang
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022, China
| | - Mingrong Lv
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022, China
- Anhui Province Key Laboratory of Reproductive Health and Genetics, No 81 Meishan Road, Hefei, 230032, China
- Biopreservation and Artificial Organs, Anhui Provincial Engineering Research Center, Anhui Medical University, No 81 Meishan Road, Hefei, 230032, China
| | - Chunyu Liu
- Obstetrics and Gynecology Hospital, School of Life Sciences, Fudan University, Shanghai, 200011, China
| | - Huiru Cheng
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract (Anhui Medical University), No 81 Meishan Road, Hefei, 230032, China
- Key Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People's Republic of China, No 81 Meishan Road, Hefei, 230032, China
- Anhui Province Key Laboratory of Reproductive Health and Genetics, No 81 Meishan Road, Hefei, 230032, China
| | - Fuxi Zhu
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022, China
- Anhui Province Key Laboratory of Reproductive Health and Genetics, No 81 Meishan Road, Hefei, 230032, China
- Biopreservation and Artificial Organs, Anhui Provincial Engineering Research Center, Anhui Medical University, No 81 Meishan Road, Hefei, 230032, China
| | - Shixiong Tian
- Obstetrics and Gynecology Hospital, School of Life Sciences, Fudan University, Shanghai, 200011, China
| | - Nagwa Elshewy
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022, China
| | - Xiaoqing Ni
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022, China
| | - Qing Tan
- Anhui Provincial Human Sperm Bank, the First Affiliated Hospital of Anhui Medical University, Hefei, 230022, China
| | - Xiaofeng Xu
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022, China
- Anhui Province Key Laboratory of Reproductive Health and Genetics, No 81 Meishan Road, Hefei, 230032, China
- Biopreservation and Artificial Organs, Anhui Provincial Engineering Research Center, Anhui Medical University, No 81 Meishan Road, Hefei, 230032, China
| | - Ping Zhou
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022, China
- Anhui Province Key Laboratory of Reproductive Health and Genetics, No 81 Meishan Road, Hefei, 230032, China
- Biopreservation and Artificial Organs, Anhui Provincial Engineering Research Center, Anhui Medical University, No 81 Meishan Road, Hefei, 230032, China
| | - Zhaolian Wei
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022, China
- Anhui Province Key Laboratory of Reproductive Health and Genetics, No 81 Meishan Road, Hefei, 230032, China
- Biopreservation and Artificial Organs, Anhui Provincial Engineering Research Center, Anhui Medical University, No 81 Meishan Road, Hefei, 230032, China
| | - Feng Zhang
- Obstetrics and Gynecology Hospital, School of Life Sciences, Fudan University, Shanghai, 200011, China
| | - Xiaojin He
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022, China.
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract (Anhui Medical University), No 81 Meishan Road, Hefei, 230032, China.
- Key Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People's Republic of China, No 81 Meishan Road, Hefei, 230032, China.
| | - Yunxia Cao
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No 218 Jixi Road, Hefei, 230022, China.
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract (Anhui Medical University), No 81 Meishan Road, Hefei, 230032, China.
- Key Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People's Republic of China, No 81 Meishan Road, Hefei, 230032, China.
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50
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Halder A, Pandey D. CFTR gene variants in Indian congenital bilateral absence of vas deferens & its relevance in genetic counselling. Indian J Med Res 2020; 152:535-537. [PMID: 34145091 PMCID: PMC8224159 DOI: 10.4103/ijmr.ijmr_649_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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