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Rjiba K, Mougou-Zerelli S, Hamida IH, Saad G, Khadija B, Jelloul A, Slimani W, Hasni Y, Dimassi S, Khelifa HB, Sallem A, Kammoun M, Abdallah HH, Gribaa M, Bignon-Topalovic J, Chelly S, Khairi H, Bibi M, Kacem M, Saad A, Bashamboo A, McElreavey K. Additional evidence for the role of chromosomal imbalances and SOX8, ZNRF3 and HHAT gene variants in early human testis development. Reprod Biol Endocrinol 2023; 21:2. [PMID: 36631813 PMCID: PMC9990451 DOI: 10.1186/s12958-022-01045-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 12/01/2022] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Forty-six ,XY Differences/Disorders of Sex Development (DSD) are characterized by a broad phenotypic spectrum ranging from typical female to male with undervirilized external genitalia, or more rarely testicular regression with a typical male phenotype. Despite progress in the genetic diagnosis of DSD, most 46,XY DSD cases remain idiopathic. METHODS To determine the genetic causes of 46,XY DSD, we studied 165 patients of Tunisian ancestry, who presented a wide range of DSD phenotypes. Karyotyping, candidate gene sequencing, and whole-exome sequencing (WES) were performed. RESULTS Cytogenetic abnormalities, including a high frequency of sex chromosomal anomalies (85.4%), explained the phenotype in 30.9% (51/165) of the cohort. Sanger sequencing of candidate genes identified a novel pathogenic variant in the SRY gene in a patient with 46,XY gonadal dysgenesis. An exome screen of a sub-group of 44 patients with 46,XY DSD revealed pathogenic or likely pathogenic variants in 38.6% (17/44) of patients. CONCLUSION Rare or novel pathogenic variants were identified in the AR, SRD5A2, ZNRF3, SOX8, SOX9 and HHAT genes. Overall our data indicate a genetic diagnosis rate of 41.2% (68/165) in the group of 46,XY DSD.
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Affiliation(s)
- Khouloud Rjiba
- Laboratory of Human Cytogenetics, Molecular Genetics and Biology of Human Reproduction, Farhat Hached University Teaching Hospital, Sousse, Tunisia
- Higher Institute of Biotechnology Monastir, University of Monastir, Monastir, Tunisia
- Unité de Services Communs en Génétique Humaine, Faculté de Médecine de Sousse, Université de Sousse, Sousse, Tunisia
- Human Developmental Genetics Unit, CNRS UMR 3738, Institut Pasteur, Paris, France
| | - Soumaya Mougou-Zerelli
- Laboratory of Human Cytogenetics, Molecular Genetics and Biology of Human Reproduction, Farhat Hached University Teaching Hospital, Sousse, Tunisia
- Unité de Services Communs en Génétique Humaine, Faculté de Médecine de Sousse, Université de Sousse, Sousse, Tunisia
| | - Imen Hadj Hamida
- Laboratory of Human Cytogenetics, Molecular Genetics and Biology of Human Reproduction, Farhat Hached University Teaching Hospital, Sousse, Tunisia
| | - Ghada Saad
- Department of Endocrinology, Farhat Hached University Teaching Hospital, Sousse, Tunisia
| | - Bochra Khadija
- Laboratory of Human Cytogenetics, Molecular Genetics and Biology of Human Reproduction, Farhat Hached University Teaching Hospital, Sousse, Tunisia
- Higher Institute of Biotechnology Monastir, University of Monastir, Monastir, Tunisia
- Unité de Services Communs en Génétique Humaine, Faculté de Médecine de Sousse, Université de Sousse, Sousse, Tunisia
| | - Afef Jelloul
- Laboratory of Human Cytogenetics, Molecular Genetics and Biology of Human Reproduction, Farhat Hached University Teaching Hospital, Sousse, Tunisia
| | - Wafa Slimani
- Laboratory of Human Cytogenetics, Molecular Genetics and Biology of Human Reproduction, Farhat Hached University Teaching Hospital, Sousse, Tunisia
- Unité de Services Communs en Génétique Humaine, Faculté de Médecine de Sousse, Université de Sousse, Sousse, Tunisia
| | - Yosra Hasni
- Department of Endocrinology, Farhat Hached University Teaching Hospital, Sousse, Tunisia
| | - Sarra Dimassi
- Laboratory of Human Cytogenetics, Molecular Genetics and Biology of Human Reproduction, Farhat Hached University Teaching Hospital, Sousse, Tunisia
- Unité de Services Communs en Génétique Humaine, Faculté de Médecine de Sousse, Université de Sousse, Sousse, Tunisia
| | - Hela Ben Khelifa
- Laboratory of Human Cytogenetics, Molecular Genetics and Biology of Human Reproduction, Farhat Hached University Teaching Hospital, Sousse, Tunisia
| | - Amira Sallem
- Laboratory of Human Cytogenetics, Molecular Genetics and Biology of Human Reproduction, Farhat Hached University Teaching Hospital, Sousse, Tunisia
- Laboratory of Human Cytogenetics and Biology of Reproduction, Fattouma Bourguiba University Teaching Hospital, Monastir, Tunisia
| | - Molka Kammoun
- Laboratory of Human Cytogenetics, Molecular Genetics and Biology of Human Reproduction, Farhat Hached University Teaching Hospital, Sousse, Tunisia
| | - Hamza Hadj Abdallah
- Laboratory of Human Cytogenetics, Molecular Genetics and Biology of Human Reproduction, Farhat Hached University Teaching Hospital, Sousse, Tunisia
| | - Moez Gribaa
- Laboratory of Human Cytogenetics, Molecular Genetics and Biology of Human Reproduction, Farhat Hached University Teaching Hospital, Sousse, Tunisia
| | | | - Sami Chelly
- Private Gynecologist Sousse, Sousse, Tunisia
| | - Hédi Khairi
- Department of Gynecology and Obstetrics, Farhat Hached University Teaching Hospital, Sousse, Tunisia
| | - Mohamed Bibi
- Department of Gynecology and Obstetrics, Farhat Hached University Teaching Hospital, Sousse, Tunisia
| | - Maha Kacem
- Department of Endocrinology, Farhat Hached University Teaching Hospital, Sousse, Tunisia
| | - Ali Saad
- Laboratory of Human Cytogenetics, Molecular Genetics and Biology of Human Reproduction, Farhat Hached University Teaching Hospital, Sousse, Tunisia
- Unité de Services Communs en Génétique Humaine, Faculté de Médecine de Sousse, Université de Sousse, Sousse, Tunisia
| | - Anu Bashamboo
- Human Developmental Genetics Unit, CNRS UMR 3738, Institut Pasteur, Paris, France
| | - Kenneth McElreavey
- Human Developmental Genetics Unit, CNRS UMR 3738, Institut Pasteur, Paris, France.
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F, Hamza Y, Hannach W, Jaziri H, Gharbi R, Hammami A, Dahmani W, Ben Ameur W, Ksiaa M, Ben Slama A, Brahem A, Elleuch N, Jmaa A, Kort I, Jlass S, Benabderrahim S, Turki E, Belhaj A, Kebsi D, Ben Khelil M, Rmadi N, Gamaoun H, Alaya Youzbechi F, Brahim T, Boujnah S, Abid N, Gader N, Kalboussi S, Ben Sassi S, Loukil M, Ghrairi H, Ben Said N, Mrad O, Ferjaoui M, Hedhli L, Ben Kaab B, Berriche A, Charfi R, Mourali O, Smichi I, Bel Haj Kacem L, Ksentini M, Aloui R, Ferchichi L, Nasraoui H, Maoua M, Chérif F, Belil Y, Ayed MA, Alloulou Y, Belhadj S, Daghfous J, Mehiri N, Louzir B, Abbes A, Ghrab A, Chermiti A, Akacha A, Mejri O, Debbiche A, Yahiaoui C, Binous M, Tissaoui A, Mekni K, El Fekih C, Said MA, Chtioui S, Mestiri S, Smaoui H, Ben Hamida S, Haddar A, Mrizek N, Gares N, Zaibi A, Bouazizi N, Gallas S, Lachhab A, Belhadj M, Hadj Salem N, Garrouch A, Mezgar Z, Khrouf M, Abbassi H, Souissi D, Hamra I, Ben Mustapha N, Abessi I, Boubaker F, Bouchareb S, ElOmma Mrabet H, Touil I, Boussoffara L, Knani J, Boudawara N, Alaya W, Sfar MH, Fekih S, Snène H, Boudawara N, Gargouri I, Benzarti W, Knaz A, Abdelghani A, Aissa S, Hayouni A, Mejri I, Kacem M, Mhamdi S, Daboussi S, Aichaouia C, Moatemri Z, Chaachou A, Fsili R, Ben Ghezala H, Ben Jazia A, Brahmi N. 2022 TUNISIAN NATIONAL CONGRESS OF MEDICINE ABSTRACTS. Tunis Med 2023; 101:62-64. [PMID: 37682263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Indexed: 09/09/2023]
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