1
|
Podgrajsek R, Hodzic A, Stimpfel M, Kunej T, Peterlin B. Insight into the complexity of male infertility: a multi-omics review. Syst Biol Reprod Med 2024; 70:73-90. [PMID: 38517373 DOI: 10.1080/19396368.2024.2317804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 02/06/2024] [Indexed: 03/23/2024]
Abstract
Male infertility is a reproductive disorder, accounting for 40-50% of infertility. Currently, in about 70% of infertile men, the cause remains unknown. With the introduction of novel omics and advancement in high-throughput technology, potential biomarkers are emerging. The main purpose of our work was to overview different aspects of omics approaches in association with idiopathic male infertility and highlight potential genes, transcripts, non-coding RNA, proteins, and metabolites worth further exploring. Using the Gene Ontology (GO) analysis, we aimed to compare enriched GO terms from each omics approach and determine their overlapping. A PubMed database screening for the literature published between February 2014 and June 2022 was performed using the keywords: male infertility in association with different omics approaches: genomics, epigenomics, transcriptomics, ncRNAomics, proteomics, and metabolomics. A GO enrichment analysis was performed using the Enrichr tool. We retrieved 281 global studies: 171 genomics (DNA level), 21 epigenomics (19 of methylation and two histone residue modifications), 15 transcriptomics, 31 non-coding RNA, 29 proteomics, two protein posttranslational modification, and 19 metabolomics studies. Gene ontology comparison showed that different omics approaches lead to the identification of different molecular factors and that the corresponding GO terms, obtained from different omics approaches, do not overlap to a larger extent. With the integration of novel omics levels into the research of idiopathic causes of male infertility, using multi-omic systems biology approaches, we will be closer to finding the potential biomarkers and consequently becoming aware of the entire spectrum of male infertility, their cause, prognosis, and potential treatment.
Collapse
Affiliation(s)
- Rebeka Podgrajsek
- Department of Human Reproduction, University Medical Center Ljubljana, Ljubljana, Slovenia
| | - Alenka Hodzic
- Clinical Institute of Genomic Medicine, University Medical Center Ljubljana, Ljubljana, Slovenia
- Faculty of Health Sciences, University of Novo mesto, Novo Mesto, Slovenia
| | - Martin Stimpfel
- Department of Human Reproduction, University Medical Center Ljubljana, Ljubljana, Slovenia
- Medical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Tanja Kunej
- Department of Animal Science, Biotechnical Faculty, University of Ljubljana, Domžale, Slovenia
| | - Borut Peterlin
- Clinical Institute of Genomic Medicine, University Medical Center Ljubljana, Ljubljana, Slovenia
- Medical Faculty, University of Ljubljana, Ljubljana, Slovenia
| |
Collapse
|
2
|
Wen C, Cao L, Wang S, Xu W, Yu Y, Zhao S, Yang F, Chen ZJ, Zhao S, Yang Y, Qin Y. MCM8 interacts with DDX5 to promote R-loop resolution. EMBO J 2024:10.1038/s44318-024-00134-0. [PMID: 38858601 DOI: 10.1038/s44318-024-00134-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 05/17/2024] [Accepted: 05/21/2024] [Indexed: 06/12/2024] Open
Abstract
MCM8 has emerged as a core gene in reproductive aging and is crucial for meiotic homologous recombination repair. It also safeguards genome stability by coordinating the replication stress response during mitosis, but its function in mitotic germ cells remains elusive. Here we found that disabling MCM8 in mice resulted in proliferation defects of primordial germ cells (PGCs) and ultimately impaired fertility. We further demonstrated that MCM8 interacted with two known helicases DDX5 and DHX9, and loss of MCM8 led to R-loop accumulation by reducing the retention of these helicases at R-loops, thus inducing genome instability. Cells expressing premature ovarian insufficiency-causative mutants of MCM8 with decreased interaction with DDX5 displayed increased R-loop levels. These results show MCM8 interacts with R-loop-resolving factors to prevent R-loop-induced DNA damage, which may contribute to the maintenance of genome integrity of PGCs and reproductive reserve establishment. Our findings thus reveal an essential role for MCM8 in PGC development and improve our understanding of reproductive aging caused by genome instability in mitotic germ cells.
Collapse
Affiliation(s)
- Canxin Wen
- State Key Laboratory of Reproductive Medicine and Offspring Health, Center for Reproductive Medicine, Institute of Women, Children and Reproductive Health, Shandong University, Jinan, Shandong, 250012, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong, 250012, China
- Key Laboratory of Reproductive Endocrinology (Shandong University), Ministry of Education, Jinan, Shandong, 250012, China
- Shandong Technology Innovation Center for Reproductive Health, Jinan, Shandong, 250012, China
- Shandong Provincial Clinical Research Center for Reproductive Health, Jinan, Shandong, 250012, China
- Shandong Key Laboratory of Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250012, China
- Research Unit of Gametogenesis and Health of ART-Offspring, Chinese Academy of Medical Sciences (No.2021RU001), Jinan, Shandong, 250012, China
| | - Lili Cao
- State Key Laboratory of Reproductive Medicine and Offspring Health, Center for Reproductive Medicine, Institute of Women, Children and Reproductive Health, Shandong University, Jinan, Shandong, 250012, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong, 250012, China
- Key Laboratory of Reproductive Endocrinology (Shandong University), Ministry of Education, Jinan, Shandong, 250012, China
- Shandong Technology Innovation Center for Reproductive Health, Jinan, Shandong, 250012, China
- Shandong Provincial Clinical Research Center for Reproductive Health, Jinan, Shandong, 250012, China
- Shandong Key Laboratory of Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250012, China
- Research Unit of Gametogenesis and Health of ART-Offspring, Chinese Academy of Medical Sciences (No.2021RU001), Jinan, Shandong, 250012, China
| | - Shuhan Wang
- State Key Laboratory of Reproductive Medicine and Offspring Health, Center for Reproductive Medicine, Institute of Women, Children and Reproductive Health, Shandong University, Jinan, Shandong, 250012, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong, 250012, China
- Key Laboratory of Reproductive Endocrinology (Shandong University), Ministry of Education, Jinan, Shandong, 250012, China
- Shandong Technology Innovation Center for Reproductive Health, Jinan, Shandong, 250012, China
- Shandong Provincial Clinical Research Center for Reproductive Health, Jinan, Shandong, 250012, China
- Shandong Key Laboratory of Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250012, China
- Research Unit of Gametogenesis and Health of ART-Offspring, Chinese Academy of Medical Sciences (No.2021RU001), Jinan, Shandong, 250012, China
| | - Weiwei Xu
- State Key Laboratory of Reproductive Medicine and Offspring Health, Center for Reproductive Medicine, Institute of Women, Children and Reproductive Health, Shandong University, Jinan, Shandong, 250012, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong, 250012, China
- Key Laboratory of Reproductive Endocrinology (Shandong University), Ministry of Education, Jinan, Shandong, 250012, China
- Shandong Technology Innovation Center for Reproductive Health, Jinan, Shandong, 250012, China
- Shandong Provincial Clinical Research Center for Reproductive Health, Jinan, Shandong, 250012, China
- Shandong Key Laboratory of Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250012, China
- Research Unit of Gametogenesis and Health of ART-Offspring, Chinese Academy of Medical Sciences (No.2021RU001), Jinan, Shandong, 250012, China
| | - Yongze Yu
- State Key Laboratory of Reproductive Medicine and Offspring Health, Center for Reproductive Medicine, Institute of Women, Children and Reproductive Health, Shandong University, Jinan, Shandong, 250012, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong, 250012, China
- Key Laboratory of Reproductive Endocrinology (Shandong University), Ministry of Education, Jinan, Shandong, 250012, China
- Shandong Technology Innovation Center for Reproductive Health, Jinan, Shandong, 250012, China
- Shandong Provincial Clinical Research Center for Reproductive Health, Jinan, Shandong, 250012, China
- Shandong Key Laboratory of Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250012, China
- Research Unit of Gametogenesis and Health of ART-Offspring, Chinese Academy of Medical Sciences (No.2021RU001), Jinan, Shandong, 250012, China
| | - Simin Zhao
- State Key Laboratory of Reproductive Medicine and Offspring Health, Center for Reproductive Medicine, Institute of Women, Children and Reproductive Health, Shandong University, Jinan, Shandong, 250012, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong, 250012, China
- Key Laboratory of Reproductive Endocrinology (Shandong University), Ministry of Education, Jinan, Shandong, 250012, China
- Shandong Technology Innovation Center for Reproductive Health, Jinan, Shandong, 250012, China
- Shandong Provincial Clinical Research Center for Reproductive Health, Jinan, Shandong, 250012, China
- Shandong Key Laboratory of Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250012, China
- Research Unit of Gametogenesis and Health of ART-Offspring, Chinese Academy of Medical Sciences (No.2021RU001), Jinan, Shandong, 250012, China
| | - Fan Yang
- Advanced Medical Research Institute, Meili Lake Translational Research Park, Cheeloo College of Medicine, Shandong University, Jinan, China
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shandong University, Jinan, Shandong, 250012, China
| | - Zi-Jiang Chen
- State Key Laboratory of Reproductive Medicine and Offspring Health, Center for Reproductive Medicine, Institute of Women, Children and Reproductive Health, Shandong University, Jinan, Shandong, 250012, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong, 250012, China
- Key Laboratory of Reproductive Endocrinology (Shandong University), Ministry of Education, Jinan, Shandong, 250012, China
- Shandong Technology Innovation Center for Reproductive Health, Jinan, Shandong, 250012, China
- Shandong Provincial Clinical Research Center for Reproductive Health, Jinan, Shandong, 250012, China
- Shandong Key Laboratory of Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250012, China
- Research Unit of Gametogenesis and Health of ART-Offspring, Chinese Academy of Medical Sciences (No.2021RU001), Jinan, Shandong, 250012, China
- Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai, China
- Department of Reproductive Medicine, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Shidou Zhao
- State Key Laboratory of Reproductive Medicine and Offspring Health, Center for Reproductive Medicine, Institute of Women, Children and Reproductive Health, Shandong University, Jinan, Shandong, 250012, China.
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong, 250012, China.
- Key Laboratory of Reproductive Endocrinology (Shandong University), Ministry of Education, Jinan, Shandong, 250012, China.
- Shandong Technology Innovation Center for Reproductive Health, Jinan, Shandong, 250012, China.
- Shandong Provincial Clinical Research Center for Reproductive Health, Jinan, Shandong, 250012, China.
- Shandong Key Laboratory of Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250012, China.
- Research Unit of Gametogenesis and Health of ART-Offspring, Chinese Academy of Medical Sciences (No.2021RU001), Jinan, Shandong, 250012, China.
| | - Yajuan Yang
- State Key Laboratory of Reproductive Medicine and Offspring Health, Center for Reproductive Medicine, Institute of Women, Children and Reproductive Health, Shandong University, Jinan, Shandong, 250012, China.
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong, 250012, China.
- Key Laboratory of Reproductive Endocrinology (Shandong University), Ministry of Education, Jinan, Shandong, 250012, China.
- Shandong Technology Innovation Center for Reproductive Health, Jinan, Shandong, 250012, China.
- Shandong Provincial Clinical Research Center for Reproductive Health, Jinan, Shandong, 250012, China.
- Shandong Key Laboratory of Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250012, China.
- Research Unit of Gametogenesis and Health of ART-Offspring, Chinese Academy of Medical Sciences (No.2021RU001), Jinan, Shandong, 250012, China.
| | - Yingying Qin
- State Key Laboratory of Reproductive Medicine and Offspring Health, Center for Reproductive Medicine, Institute of Women, Children and Reproductive Health, Shandong University, Jinan, Shandong, 250012, China.
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, Shandong, 250012, China.
- Key Laboratory of Reproductive Endocrinology (Shandong University), Ministry of Education, Jinan, Shandong, 250012, China.
- Shandong Technology Innovation Center for Reproductive Health, Jinan, Shandong, 250012, China.
- Shandong Provincial Clinical Research Center for Reproductive Health, Jinan, Shandong, 250012, China.
- Shandong Key Laboratory of Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250012, China.
- Research Unit of Gametogenesis and Health of ART-Offspring, Chinese Academy of Medical Sciences (No.2021RU001), Jinan, Shandong, 250012, China.
| |
Collapse
|
3
|
Fakhro KA, Awwad J, Garibova S, Saraiva LR, Avella M. Conserved genes regulating human sex differentiation, gametogenesis and fertilization. J Transl Med 2024; 22:473. [PMID: 38764035 PMCID: PMC11103854 DOI: 10.1186/s12967-024-05162-2] [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: 03/05/2024] [Accepted: 04/03/2024] [Indexed: 05/21/2024] Open
Abstract
The study of the functional genome in mice and humans has been instrumental for describing the conserved molecular mechanisms regulating human reproductive biology, and for defining the etiologies of monogenic fertility disorders. Infertility is a reproductive disorder that includes various conditions affecting a couple's ability to achieve a healthy pregnancy. Recent advances in next-generation sequencing and CRISPR/Cas-mediated genome editing technologies have facilitated the identification and characterization of genes and mechanisms that, if affected, lead to infertility. We report established genes that regulate conserved functions in fundamental reproductive processes (e.g., sex determination, gametogenesis, and fertilization). We only cover genes the deletion of which yields comparable fertility phenotypes in both rodents and humans. In the case of newly-discovered genes, we report the studies demonstrating shared cellular and fertility phenotypes resulting from loss-of-function mutations in both species. Finally, we introduce new model systems for the study of human reproductive biology and highlight the importance of studying human consanguineous populations to discover novel monogenic causes of infertility. The rapid and continuous screening and identification of putative genetic defects coupled with an efficient functional characterization in animal models can reveal novel mechanisms of gene function in human reproductive tissues.
Collapse
Affiliation(s)
- Khalid A Fakhro
- Research Branch, Sidra Medicine, Doha, Qatar
- Weill Cornell Medicine, Doha, Qatar
- College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar
| | - Johnny Awwad
- Reproductive Medicine Unit, Sidra Medicine, Doha, Qatar
- Obstetrics & Gynecology, American University of Beirut Medical Center, Beirut, Lebanon
- Vincent Memorial Obstetrics & Gynecology Service, The Massachusetts General Hospital, Boston, MA, USA
| | | | - Luis R Saraiva
- Research Branch, Sidra Medicine, Doha, Qatar
- College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar
| | - Matteo Avella
- Research Branch, Sidra Medicine, Doha, Qatar.
- College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar.
- Department of Biomedical Sciences, Qatar University, Doha, Qatar.
| |
Collapse
|
4
|
Yu S, Dai W, Zhao S, Yang Y, Xu Y, Wang J, Deng Q, He J, Shi D. Function and mechanism of MCM8 in the development and progression of colorectal cancer. J Transl Med 2023; 21:623. [PMID: 37710286 PMCID: PMC10503009 DOI: 10.1186/s12967-023-04084-9] [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: 12/27/2021] [Accepted: 03/25/2023] [Indexed: 09/16/2023] Open
Abstract
Colorectal cancer (CRC) has become a global health problem which has almost highest morbidity and mortality in all types of cancers. This study aimed to uncover the biological functions and underlying mechanism of MCM8 in the development and progression of CRC. The expression level of MCM8 was found to be upregulated in CRC tissues and significantly associated with tumor grade and patients' survival. Knocking down MCM8 expression in CRC cells could restrain cell growth and cell motility while promoting cell apoptosis in vitro, as well as inhibit tumor growth in xenograft mice model. Based on the RNA screening performing on CRC cells with or without MCM8 knockdown and the following IPA analysis, CHSY1 was identified as a potential target of MCM8 in CRC, whose expression was also found to be higher in tumor tissues than in normal tissues. Moreover, it was demonstrated that MCM8 may regulate the expression of CHSY1 through affecting its NEDD4-mediated ubiquitination, both of which synergistically execute tumor promotion effects on CRC. In conclusion, the outcomes of our study showed the first evidence that MCM8 act as a tumor promotor in CRC, and may be a promising therapeutic target of CRC treatment.
Collapse
Affiliation(s)
- Shaojun Yu
- Key Laboratory of Cancer Prevention and Intervention, The Second Affiliated Hospital, Ministry of Education, Zhejiang University School of Medicine, Hangzhou, Zhejiang China
| | - Weixing Dai
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, 270 Dong’an Road, Shanghai, 200032 PR China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032 China
| | - Senlin Zhao
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, 270 Dong’an Road, Shanghai, 200032 PR China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032 China
| | - Yongzhi Yang
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, 270 Dong’an Road, Shanghai, 200032 PR China
| | - Ye Xu
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, 270 Dong’an Road, Shanghai, 200032 PR China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032 China
| | - Jianwei Wang
- Department of Colorectal Surgery and Oncology, Key Laboratory of Cancer Prevention and Intervention, The Second Affiliated Hospital, Ministry of Education, Zhejiang University School of Medicine, Hangzhou, Zhejiang China
| | - Qun Deng
- Department of Colorectal Surgery and Oncology, Key Laboratory of Cancer Prevention and Intervention, The Second Affiliated Hospital, Ministry of Education, Zhejiang University School of Medicine, Hangzhou, Zhejiang China
| | - Jinghu He
- Department of General Surgery, Changhai Hospital Affiliated to Navy Medical University, Shanghai, China
| | - Debing Shi
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, 270 Dong’an Road, Shanghai, 200032 PR China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032 China
| |
Collapse
|
5
|
Florsheim N, Naugolni L, Zahdeh F, Lobel O, Terespolsky B, Michaelson-Cohen R, Gold MY, Goldberg M, Renbaum P, Levy-Lahad E, Zangen D. Loss of function of FIGNL1, a DNA damage response gene, causes human ovarian dysgenesis. Eur J Endocrinol 2023; 189:K7-K14. [PMID: 37740949 DOI: 10.1093/ejendo/lvad127] [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: 01/19/2023] [Revised: 05/18/2023] [Accepted: 08/14/2023] [Indexed: 09/25/2023]
Abstract
Ovarian dysgenesis (OD), an XX disorder of sex development, presents with primary amenorrhea, hypergonadotrophic hypogonadism, and infertility. In an Ashkenazi Jewish patient with OD, whole exome sequencing identified compound heterozygous frameshifts in FIGNL1, a DNA damage response (DDR) gene: c.189del and c.1519_1523del. Chromosomal breakage was significantly increased in patient cells, both spontaneously, and following mitomycin C exposure. Transfection of DYK-tagged FIGNL1 constructs in HEK293 cells showed no detectable protein in FIGNL1c.189del and truncation with reduced expression in FIGNL1c.1519_1523del (64% of wild-type [WT], P = .003). FIGNL1 forms nuclear foci increased by phleomycin treatment (20.6 ± 1.6 vs 14.8 ± 2.4, P = .02). However, mutant constructs showed reduced DYK-FIGNL1 foci formation in non-treated cells (0.8 ± 0.9 and 5.6 ± 1.5 vs 14.8 ± 2.4 in DYK-FIGNL1WT, P < .001) and no increase with phleomycin treatment. In conclusion, FIGNL1 loss of function is a newly characterized OD gene, highlighting the DDR pathway's role in ovarian development and maintenance and suggesting chromosomal breakage as an assessment tool in XX-DSD patients.
Collapse
Affiliation(s)
- Natan Florsheim
- Medical Genetics Institute, Shaare Zedek Medical Center, Jerusalem, Israel
- Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
- Division of Pediatric Endocrinology, Hadassah Medical Center, Jerusalem, Israel
| | - Larisa Naugolni
- Pediatric Endocrinology and Diabetes Institute, Shamir Medical Center, Zerifin, Israel
| | - Fouad Zahdeh
- Translational Genomics Lab, Medical Genetics Institute, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Orit Lobel
- Medical Genetics Institute, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Batel Terespolsky
- Medical Genetics Institute, Shaare Zedek Medical Center, Jerusalem, Israel
- Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Rachel Michaelson-Cohen
- Medical Genetics Institute, Shaare Zedek Medical Center, Jerusalem, Israel
- Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
- Department of Obstetrics and Gynecology, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Merav Y Gold
- The Alexander Silberman Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Michal Goldberg
- The Alexander Silberman Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Paul Renbaum
- Medical Genetics Institute, Shaare Zedek Medical Center, Jerusalem, Israel
| | - Ephrat Levy-Lahad
- Medical Genetics Institute, Shaare Zedek Medical Center, Jerusalem, Israel
- Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - David Zangen
- Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel
- Division of Pediatric Endocrinology, Hadassah Medical Center, Jerusalem, Israel
| |
Collapse
|
6
|
McKinzey DR, Li C, Gao Y, Trakselis MA. Activity, substrate preference and structure of the HsMCM8/9 helicase. Nucleic Acids Res 2023; 51:7330-7341. [PMID: 37309874 PMCID: PMC10415141 DOI: 10.1093/nar/gkad508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 05/25/2023] [Accepted: 05/31/2023] [Indexed: 06/14/2023] Open
Abstract
The minichromosomal maintenance proteins, MCM8 and MCM9, are more recent evolutionary additions to the MCM family, only cooccurring in selected higher eukaryotes. Mutations in these genes are directly linked to ovarian insufficiency, infertility, and several cancers. MCM8/9 appears to have ancillary roles in fork progression and recombination of broken replication forks. However, the biochemical activity, specificities and structures have not been adequately illustrated, making mechanistic determination difficult. Here, we show that human MCM8/9 (HsMCM8/9) is an ATP dependent DNA helicase that unwinds fork DNA substrates with a 3'-5' polarity. High affinity ssDNA binding occurs in the presence of nucleoside triphosphates, while ATP hydrolysis weakens the interaction with DNA. The cryo-EM structure of the HsMCM8/9 heterohexamer was solved at 4.3 Å revealing a trimer of heterodimer configuration with two types of interfacial AAA+ nucleotide binding sites that become more organized upon binding ADP. Local refinements of the N or C-terminal domains (NTD or CTD) improved the resolution to 3.9 or 4.1 Å, respectively, and shows a large displacement in the CTD. Changes in AAA+ CTD upon nucleotide binding and a large swing between the NTD and CTD likely implies that MCM8/9 utilizes a sequential subunit translocation mechanism for DNA unwinding.
Collapse
Affiliation(s)
- David R McKinzey
- Department of Chemistry and Biochemistry, Baylor University, Waco, TX 76706, USA
| | - Chuxuan Li
- Department of Biosciences, Rice University, Houston, TX 77005, USA
| | - Yang Gao
- Department of Biosciences, Rice University, Houston, TX 77005, USA
| | - Michael A Trakselis
- Department of Chemistry and Biochemistry, Baylor University, Waco, TX 76706, USA
| |
Collapse
|
7
|
Ding X, Gong X, Fan Y, Cao J, Zhao J, Zhang Y, Wang X, Meng K. DNA double-strand break genetic variants in patients with premature ovarian insufficiency. J Ovarian Res 2023; 16:135. [PMID: 37430352 DOI: 10.1186/s13048-023-01221-2] [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: 09/10/2022] [Accepted: 06/20/2023] [Indexed: 07/12/2023] Open
Abstract
Premature ovarian insufficiency (POI) is a clinically heterogeneous disease that may seriously affect the physical and mental health of women of reproductive age. POI primarily manifests as ovarian function decline and endocrine disorders in women prior to age 40 and is an established cause of female infertility. It is crucial to elucidate the causative factors of POI, not only to expand the understanding of ovarian physiology, but also to provide genetic counselling and fertility guidance to affected patients. Factors leading to POI are multifaceted with genetic factors accounting for 7% to 30%. In recent years, an increasing number of DNA damage-repair-related genes have been linked with the occurrence of POI. Among them, DNA double-strand breaks (DSBs), one of the most damaging to DNA, and its main repair methods including homologous recombination (HR) and non-homologous end joining (NHEJ) are of particular interest. Numerous genes are known to be involved in the regulation of programmed DSB formation and damage repair. The abnormal expression of several genes have been shown to trigger defects in the overall repair pathway and induce POI and other diseases. This review summarises the DSB-related genes that may contribute to the development of POI and their potential regulatory mechanisms, which will help to further establish role of DSB in the pathogenesis of POI and provide theoretical guidance for the study of the pathogenesis and clinical treatment of this disease.
Collapse
Affiliation(s)
- Xuechun Ding
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, Jining, China
- College of Second Clinical Medical, Jining Medical University, Jining, China
| | - Xiaowei Gong
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, Jining, China
- College of Second Clinical Medical, Jining Medical University, Jining, China
| | - Yingying Fan
- Affiliated Hospital of Jining Medical University, Jining, China
| | - Jinghe Cao
- Affiliated Hospital of Jining Medical University, Jining, China
| | - Jingyu Zhao
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, Jining, China
- College of Second Clinical Medical, Jining Medical University, Jining, China
| | - Yixin Zhang
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, Jining, China
- College of Second Clinical Medical, Jining Medical University, Jining, China
| | - Xiaomei Wang
- College of Basic Medicine, Jining Medical University, Jining, China.
| | - Kai Meng
- Collaborative Innovation Center for Birth Defect Research and Transformation of Shandong Province, Jining Medical University, Jining, China.
- Lin He's Academician Workstation of New Medicine and Clinical Translation, Jining Medical University, Jining, China.
| |
Collapse
|
8
|
Helderman NC, Terlouw D, Bonjoch L, Golubicki M, Antelo M, Morreau H, van Wezel T, Castellví-Bel S, Goldberg Y, Nielsen M. Molecular functions of MCM8 and MCM9 and their associated pathologies. iScience 2023; 26:106737. [PMID: 37378315 PMCID: PMC10291252 DOI: 10.1016/j.isci.2023.106737] [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] [Indexed: 06/29/2023] Open
Abstract
Minichromosome Maintenance 8 Homologous Recombination Repair Factor (MCM8) and Minichromosome Maintenance 9 Homologous Recombination Repair Factor (MCM9) are recently discovered minichromosome maintenance proteins and are implicated in multiple DNA-related processes and pathologies, including DNA replication (initiation), meiosis, homologous recombination and mismatch repair. Consistent with these molecular functions, variants of MCM8/MCM9 may predispose carriers to disorders such as infertility and cancer and should therefore be included in relevant diagnostic testing. In this overview of the (patho)physiological functions of MCM8 and MCM9 and the phenotype of MCM8/MCM9 variant carriers, we explore the potential clinical implications of MCM8/MCM9 variant carriership and highlight important future directions of MCM8 and MCM9 research. With this review, we hope to contribute to better MCM8/MCM9 variant carrier management and the potential utilization of MCM8 and MCM9 in other facets of scientific research and medical care.
Collapse
Affiliation(s)
| | - Diantha Terlouw
- Department of Clinical Genetics, Leiden University Medical Center, Leiden, the Netherlands
- Department of Pathology, Leiden University Medical Center, Leiden, the Netherlands
| | - Laia Bonjoch
- Gastroenterology Department, Institut d’Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Hospital Clínic, Universitat de Barcelona, Barcelona, Spain
| | - Mariano Golubicki
- Oncology Section and Molecular Biology Laboratory, Hospital of Gastroenterology "Dr. C.B. Udaondo", Buenos Aires, Argentina
| | - Marina Antelo
- Oncology Section and Molecular Biology Laboratory, Hospital of Gastroenterology "Dr. C.B. Udaondo", Buenos Aires, Argentina
| | - Hans Morreau
- Department of Pathology, Leiden University Medical Center, Leiden, the Netherlands
| | - Tom van Wezel
- Department of Pathology, Leiden University Medical Center, Leiden, the Netherlands
| | - Sergi Castellví-Bel
- Gastroenterology Department, Institut d’Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), Hospital Clínic, Universitat de Barcelona, Barcelona, Spain
| | - Yael Goldberg
- Raphael Recanati Genetic Institute, Rabin Medical Center-Beilinson Hospital, Petah Tikva, Israel
| | - Maartje Nielsen
- Department of Clinical Genetics, Leiden University Medical Center, Leiden, the Netherlands
| |
Collapse
|
9
|
Ozturk S. Genetic variants underlying spermatogenic arrests in men with non-obstructive azoospermia. Cell Cycle 2023; 22:1021-1061. [PMID: 36740861 PMCID: PMC10081088 DOI: 10.1080/15384101.2023.2171544] [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: 10/17/2022] [Revised: 12/29/2022] [Accepted: 01/18/2023] [Indexed: 02/07/2023] Open
Abstract
Spermatogenic arrest is a severe form of non-obstructive azoospermia (NOA), which occurs in 10-15% of infertile men. Interruption in spermatogenic progression at premeiotic, meiotic, or postmeiotic stage can lead to arrest in men with NOA. Recent studies have intensively focused on defining genetic variants underlying these spermatogenic arrests by making genome/exome sequencing. A number of variants were discovered in the genes involving in mitosis, meiosis, germline differentiation and other basic cellular events. Herein, defined variants in NOA cases with spermatogenic arrests and created knockout mouse models for the related genes are comprehensively reviewed. Also, importance of gene panel-based screening for NOA cases was discussed. Screening common variants in these infertile men with spermatogenic arrests may contribute to elucidating the molecular background and designing novel treatment strategies.
Collapse
Affiliation(s)
- Saffet Ozturk
- Department of Histology and Embryology, Akdeniz University School of Medicine, Antalya, Turkey
| |
Collapse
|
10
|
Tan Z, Gong X, Li Y, Hung SW, Huang J, Wang CC, Chung JPW. Impacts of endometrioma on ovarian aging from basic science to clinical management. Front Endocrinol (Lausanne) 2023; 13:1073261. [PMID: 36686440 PMCID: PMC9848590 DOI: 10.3389/fendo.2022.1073261] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 12/08/2022] [Indexed: 01/06/2023] Open
Abstract
Endometriosis is a common reproductive disorder characterized by the presence of endometrial implants outside of the uterus. It affects ~1 in 10 women of reproductive age. Endometriosis in the ovary, also known as endometrioma (OMA), is the most frequent implantation site and the leading cause of reproductive failure in affected women. Ovarian aging is one of the characteristic features of OMA, however its underlying mechanism yet to be determined. Accumulated evidence has shown that pelvic and local microenvironments in women with OMA are manifested, causing detrimental effects on ovarian development and functions. Whilst clinical associations of OMA with poor ovarian reserve, premature ovarian insufficiency, and early menopause have been reported. Moreover, surgical ablation, fenestration, and cystectomy of OMA can further damage the normal ovarian reservoir, and trigger hyperactivation of primordial follicles, subsequently resulting in the undesired deterioration of ovarian functions. Nevertheless, there is no effective treatment to delay or restore ovarian aging. This review comprehensively summarised the pathogenesis and study hypothesis of ovarian aging caused by OMA in order to propose potential therapeutic targets and interventions for future studies.
Collapse
Affiliation(s)
- Zhouyurong Tan
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Xue Gong
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Yiran Li
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Sze Wan Hung
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Jin Huang
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Department of Obstetrics and Gynaecology, The Second Affiliated Hospital, The Chinese University of Hong Kong, Shenzhen, China
| | - Chi Chiu Wang
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Reproduction and Development, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
- School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
- Chinese University of Hong Kong-Sichuan University Joint Laboratory in Reproductive Medicine, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| | - Jacqueline Pui Wah Chung
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, Hong Kong SAR, China
| |
Collapse
|
11
|
Klucnika A, Mu P, Jezek J, McCormack M, Di Y, Bradshaw CR, Ma H. REC drives recombination to repair double-strand breaks in animal mtDNA. J Cell Biol 2023; 222:e202201137. [PMID: 36355348 PMCID: PMC9652705 DOI: 10.1083/jcb.202201137] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 09/09/2022] [Accepted: 10/19/2022] [Indexed: 11/11/2022] Open
Abstract
Mechanisms that safeguard mitochondrial DNA (mtDNA) limit the accumulation of mutations linked to mitochondrial and age-related diseases. Yet, pathways that repair double-strand breaks (DSBs) in animal mitochondria are poorly understood. By performing a candidate screen for mtDNA repair proteins, we identify that REC-an MCM helicase that drives meiotic recombination in the nucleus-also localizes to mitochondria in Drosophila. We show that REC repairs mtDNA DSBs by homologous recombination in somatic and germline tissues. Moreover, REC prevents age-associated mtDNA mutations. We further show that MCM8, the human ortholog of REC, also localizes to mitochondria and limits the accumulation of mtDNA mutations. This study provides mechanistic insight into animal mtDNA recombination and demonstrates its importance in safeguarding mtDNA during ageing and evolution.
Collapse
Affiliation(s)
- Anna Klucnika
- Wellcome/Cancer Research UK Gurdon Institute, Cambridge, UK
- Department of Genetics, University of Cambridge, Cambridge, UK
| | - Peiqiang Mu
- Wellcome/Cancer Research UK Gurdon Institute, Cambridge, UK
- Department of Genetics, University of Cambridge, Cambridge, UK
- Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, South China Agricultural University, Guangzhou, Guangdong, China
| | - Jan Jezek
- Wellcome/Cancer Research UK Gurdon Institute, Cambridge, UK
- Department of Genetics, University of Cambridge, Cambridge, UK
| | - Matthew McCormack
- Wellcome/Cancer Research UK Gurdon Institute, Cambridge, UK
- Department of Genetics, University of Cambridge, Cambridge, UK
| | - Ying Di
- Wellcome/Cancer Research UK Gurdon Institute, Cambridge, UK
- Department of Genetics, University of Cambridge, Cambridge, UK
| | | | - Hansong Ma
- Wellcome/Cancer Research UK Gurdon Institute, Cambridge, UK
- Department of Genetics, University of Cambridge, Cambridge, UK
| |
Collapse
|
12
|
Batiha O, Burghel GJ, Alkofahi A, Alsharu E, Smith H, Alobaidi B, Al-Smadi M, Awamlah N, Hussein L, Abdelnour A, Sheth H, Veltman J. Screening by single-molecule molecular inversion probes targeted sequencing panel of candidate genes of infertility in azoospermic infertile Jordanian males. HUM FERTIL 2022; 25:939-946. [PMID: 34190021 PMCID: PMC7614817 DOI: 10.1080/14647273.2021.1946173] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Infertility is a common health problem that affects around 1 in 6 couples in the United States, where half of these cases are attributed to male factors. Genetics play an important role in infertility and it is estimated that up to 50% of cases are due to genetic factors. Despite this, many male infertility cases are still idiopathic. This study aimed to identify the presence of possibly pathogenic rare variants in a set of candidate genes related to azoospermia in 69 Jordanian men using a next-generation sequencing-based panel covering more than a hundred male infertility related genes. A total of 9 variants were found and validated. Among them, two variants included reported pathogenic variants in CFTR and one novel pathogenic variant in the USP9Y gene. We also report the detection of 6 other variants with uncertain significance in other genes. Interestingly, male cases with CFTR variants did not show the expected cystic fibrosis phenotypes except for infertility. This work helps to uncover the contribution of additional genetic factors to the aetiology of male infertility and highlights the importance to obtain more reliable information about the presence of genetic variation in the Jordanian population.
Collapse
Affiliation(s)
- Osamah Batiha
- Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid, Jordan
| | - George J Burghel
- The Manchester Centre for Genomic Medicine, University of Manchester NHS Foundation Trust, Manchester, UK
| | - Ayesha Alkofahi
- Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid, Jordan
| | - Emad Alsharu
- Reproductive Endocrinology and IVF Unit, King Hussein Medical Center, Amman, Jordan
| | - Hannah Smith
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK
| | - Bilal Alobaidi
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK
| | - Mohammad Al-Smadi
- Reproductive Endocrinology and IVF Unit, King Hussein Medical Center, Amman, Jordan
| | | | | | | | - Harsh Sheth
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK.,FRIGE's Institute of Human Genetics, FRIGE House, Ahmedabad, India
| | - Joris Veltman
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK
| |
Collapse
|
13
|
Morales R, Lledo B, Ortiz JA, Lozano FM, Garcia EM, Bernabeu A, Fuentes A, Bernabeu R. Identification of new variants and candidate genes in women with familial premature ovarian insufficiency using whole-exome sequencing. J Assist Reprod Genet 2022; 39:2595-2605. [PMID: 36208357 PMCID: PMC9723088 DOI: 10.1007/s10815-022-02629-3] [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: 03/16/2022] [Accepted: 09/24/2022] [Indexed: 11/30/2022] Open
Abstract
PURPOSE To identify candidate variants in genes possibly associated with premature ovarian insufficiency (POI). METHODS Fourteen women, from 7 families, affected by idiopathic POI were included. Additionally, 98 oocyte donors of the same ethnicity were enrolled as a control group. Whole-exome sequencing (WES) was performed in 14 women with POI to identify possibly pathogenic variants in genes potentially associated with the ovarian function. The candidate genes selected in POI patients were analysed within the exome results of oocyte donors. RESULTS After the variant filtering in the WES analysis of 7 POI families, 23 possibly damaging genetic variants were identified in 22 genes related to POI or linked to ovarian physiology. All variants were heterozygous and five of the seven families carried two or more variants in different genes. We have described genes that have never been associated to POI pathology; however, they are involved in important biological processes for ovarian function. In the 98 oocyte donors of the control group, we found no potentially pathogenic variants among the 22 candidate genes. CONCLUSION WES has previously shown as an efficient tool to identify causative genes for ovarian failure. Although some studies have focused on it, and many genes are identified, this study proposes new candidate genes and variants, having potentially moderate/strong functional effects, associated with POI, and argues for a polygenic etiology of POI in some cases.
Collapse
Affiliation(s)
- R Morales
- Molecular Biology, Instituto Bernabeu, 03016, Alicante, Spain.
| | - B Lledo
- Molecular Biology, Instituto Bernabeu, 03016, Alicante, Spain
| | - J A Ortiz
- Molecular Biology, Instituto Bernabeu, 03016, Alicante, Spain
| | - F M Lozano
- Molecular Biology, Instituto Bernabeu, 03016, Alicante, Spain
| | - E M Garcia
- Molecular Biology, Instituto Bernabeu, 03016, Alicante, Spain
| | - A Bernabeu
- Reproductive Medicine, Instituto Bernabeu, 03016, Alicante, Spain
| | - A Fuentes
- Reproductive Medicine, Instituto Bernabeu, 03016, Alicante, Spain
| | - R Bernabeu
- Reproductive Medicine, Instituto Bernabeu, 03016, Alicante, Spain
| |
Collapse
|
14
|
McGlacken-Byrne SM, Achermann JC, Conway GS. Management of a Girl With Delayed Puberty and Elevated Gonadotropins. J Endocr Soc 2022; 6:bvac108. [PMID: 35935072 PMCID: PMC9351373 DOI: 10.1210/jendso/bvac108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Indexed: 11/19/2022] Open
Abstract
A girl presenting with delayed puberty and elevated gonadotropins may have a range of conditions such as Turner syndrome (TS), primary ovarian insufficiency (POI), and 46,XY disorders of sexual development (DSD). An organized and measured approach to investigation can help reach a timely diagnosis. Management of young people often requires specialist multidisciplinary input to address the endocrine and nonendocrine features of these complex conditions, as well as the psychological challenges posed by their diagnosis. Next-generation sequencing within the research setting has revealed several genetic causes of POI and 46,XY DSD, which may further facilitate an individualized approach to care of these young people in the future. Pubertal induction is required in many and the timing of this may need to be balanced with other issues specific to the condition (eg, allowing time for information-sharing in 46,XY DSD, optimizing growth in TS). Shared decision-making and sign-posting to relevant support groups from the outset can help empower young people and their families to manage these conditions. We describe 3 clinical vignettes of girls presenting with delayed puberty and hypergonadotropic amenorrhea and discuss their clinical management in the context of current literature and guidelines.
Collapse
Affiliation(s)
- Sinéad M McGlacken-Byrne
- Institute for Women’s Health, University College London, London WC1E 6AU, UK
- Genetics and Genomic Medicine, UCL Great Ormond Street Institute of Child Health, University College London, London WC1N 1EH, UK
- Department of Paediatric Endocrinology, Great Ormond Street Hospital, London WC1N 3JH, UK
| | - John C Achermann
- Genetics and Genomic Medicine, UCL Great Ormond Street Institute of Child Health, University College London, London WC1N 1EH, UK
| | - Gerard S Conway
- Institute for Women’s Health, University College London, London WC1E 6AU, UK
| |
Collapse
|
15
|
Wang Y, Yang Y, Li Y, Chen M. Identification of sex determination locus in sea cucumber Apostichopus japonicus using genome-wide association study. BMC Genomics 2022; 23:391. [PMID: 35606723 PMCID: PMC9128100 DOI: 10.1186/s12864-022-08632-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 05/12/2022] [Indexed: 12/26/2022] Open
Abstract
Background Sex determination mechanisms are complicated and diverse across taxonomic categories. Sea cucumber Apostichopus japonicus is a benthic echinoderm, which is the closest group of invertebrates to chordate, and important economic and ecologically aquaculture species in China. A. japonicus is dioecious, and no phenotypic differences between males and females can be detected before sexual maturation. Identification of sex determination locus will broaden knowledge about sex-determination mechanism in echinoderms, which allows for the identification of sex-linked markers and increases the efficiency of sea cucumber breeding industry. Results Here, we integrated assembly of a novel chromosome-level genome and resequencing of female and male populations to investigate the sex determination mechanisms of A. japonicus. We built a chromosome-level genome assembly AJH1.0 using Hi-C technology. The assembly AJH1.0 consists of 23 chromosomes ranging from 22.4 to 60.4 Mb. To identify the sex-determination locus of A. japonicus, we conducted genome-wide association study (GWAS) and analyses of distribution characteristics of sex-specific SNPs and fixation index FST. The GWAS analysis showed that multiple sex-associated loci were located on several chromosomes, including chromosome 4 (24.8%), followed by chromosome 9 (10.7%), chromosome 17 (10.4%), and chromosome 18 (14.1%). Furthermore, analyzing the homozygous and heterozygous genotypes of plenty of sex-specific SNPs in females and males confirmed that A. japonicus might have a XX/XY sex determination system. As a physical region of 10 Mb on chromosome 4 included the highest number of sex-specific SNPs and higher FST values, this region was considered as the candidate sex determination region (SDR) in A. japonicus. Conclusions In the present study, we integrated genome-wide association study and analyses of sex-specific variations to investigate sex determination mechanisms. This will bring novel insights into gene regulation during primitive gonadogenesis and differentiation and identification of master sex determination gene in sea cucumber. In the sea cucumber industry, investigation of molecular mechanisms of sex determination will be helpful for artificial fertilization and precise breeding. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-022-08632-3.
Collapse
Affiliation(s)
- Yixin Wang
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, China
| | - Yujia Yang
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, China.
| | - Yulong Li
- Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences (CAS), Chinese Academy of Sciences (CAS), Qingdao, China
| | - Muyan Chen
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao, China.
| |
Collapse
|
16
|
Novel STAG3 variant associated with primary ovarian insufficiency and non-obstructive azoospermia in an Iranian consanguineous family. Gene 2022; 821:146281. [PMID: 35176428 DOI: 10.1016/j.gene.2022.146281] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 01/24/2022] [Accepted: 02/03/2022] [Indexed: 12/27/2022]
Abstract
Non-obstructive azoospermia (NOA) and primary ovarian insufficiency (POI) present the most severe forms of male and female infertility. In the last decade, the increasing use of whole exome sequencing (WES) in genomics studies of these conditions has led to the introduction of a number of novel genes and variants especially in meiotic genes with restricted expression to gonads. In this study, exome sequencing of a consanguineous Iranian family with one POI and two NOA cases in three siblings showed that all three patients were double homozygous for a novel in-frame deletion and a novel missense variant in STAG3 (NM_001282717.1:c.1942G > A: p.Ala648Thr; NM_001282717.1:c.1951_1953del: p. Leu652del). Both variants occur within a short proximity of each other affecting the relatively conserved armadillo-type fold superfamily feature. STAG3 is a specific meiotic cohesin complex component that interacts with the α-kleisin subunit through this feature. Protein homology modeling indicated that the in-frame deletion destabilizes kleisin biding by STAG3. Although the missense variant did not seem to affect the binding significantly, protein homology modeling suggests that it further destabilizes kleisin binding when in double homozygous state with the deletion. Our findings are in line with several other studies having associated deleterious variants affecting this region with male and female infertility in humans and mouse models. This is the first report associating an in-frame STAG3 variant with NOA and POI in a single family. SUMMARY SENTENCE: A patient with primary ovarian failure and her two brothers with non-obstructive azoospermia were double homozygous for a novel in-frame deletion and a novel missense variant in STAG3 that potentially disrupt the protein's meiotic functions.
Collapse
|
17
|
Zhang H, Li W, Jiang Y, Li J, Chen M, Wang R, Zhao J, Peng Z, Huang H, Liu R. Whole Exome Sequencing Identifies Genes Associated With Non-Obstructive Azoospermia. Front Genet 2022; 13:872179. [PMID: 35495142 PMCID: PMC9043847 DOI: 10.3389/fgene.2022.872179] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 03/15/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Non-obstructive azoospermia (NOA) affects nearly 1% of men; however, the landscape of the causative genes is largely unknown. Objective: To explore the genetic etiology which is the fundamental cause of NOA, a prospective case-control study and parental–proband trio linkage analysis were performed. Materials: A total of 133 patients with clinicopathological NOA and 343 fertile controls were recruited from a single large academic fertility center located in Northeast China; in addition, eleven trio families were available and enrolled. Results: Whole exome sequencing-based rare variant association study between the cases and controls was performed using the gene burden association testing. Linkage analysis on the trio families was also interrogated. In total, 648 genes were identified to be associated with NOA (three of which were previously reported), out of which six novel genes were found further associated based on the linkage analysis in the trio families, and involved in the meiosis-related network. Discussion and Conclusion: The six currently identified genes potentially account for a fraction (3.76%, 5 out of 133 patients) of the heritability of unidentified NOA, and combining the six novel genes and the three previously reported genes together would potentially account for an overall 6.77% (9 out of 133 patients) heritability of unidentified NOA in this study.
Collapse
Affiliation(s)
- Hongguo Zhang
- Reproductive Medicine and Prenatal Diagnosis Center, The First Hospital, Jilin University, Changchun, China
| | - Wei Li
- BGI Genomics, BGI-Shenzhen, Shenzhen, China
| | - Yuting Jiang
- Reproductive Medicine and Prenatal Diagnosis Center, The First Hospital, Jilin University, Changchun, China
| | - Jia Li
- BGI Genomics, BGI-Shenzhen, Shenzhen, China
| | | | - Ruixue Wang
- Reproductive Medicine and Prenatal Diagnosis Center, The First Hospital, Jilin University, Changchun, China
| | - Jing Zhao
- BGI Genomics, BGI-Shenzhen, Shenzhen, China
| | - Zhiyu Peng
- BGI Genomics, BGI-Shenzhen, Shenzhen, China
| | - Hui Huang
- BGI Genomics, BGI-Shenzhen, Shenzhen, China
- *Correspondence: Hui Huang, ; Ruizhi Liu,
| | - Ruizhi Liu
- Reproductive Medicine and Prenatal Diagnosis Center, The First Hospital, Jilin University, Changchun, China
- *Correspondence: Hui Huang, ; Ruizhi Liu,
| |
Collapse
|
18
|
Hatırnaz Ş, Hatırnaz ES, Ellibeş Kaya A, Hatırnaz K, Soyer Çalışkan C, Sezer Ö, Dokuzeylül Güngor N, Demirel C, Baltacı V, Tan S, Dahan M. Oocyte maturation abnormalities - A systematic review of the evidence and mechanisms in a rare but difficult to manage fertility pheneomina. Turk J Obstet Gynecol 2022; 19:60-80. [PMID: 35343221 PMCID: PMC8966321 DOI: 10.4274/tjod.galenos.2022.76329] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
A small proportion of infertile women experience repeated oocyte maturation abnormalities (OMAS). OMAS include degenerated and dysmorphic oocytes, empty follicle syndrome, oocyte maturation arrest (OMA), resistant ovary syndrome and maturation defects due to primary ovarian insufficiency. Genetic factors play an important role in OMAS but still need specifications. This review documents the spectrum of OMAS and to evaluate the multiple subtypes classified as OMAS. In this review, readers will be able to understand the oocyte maturation mechanism, gene expression and their regulation that lead to different subtypes of OMAs, and it will discuss the animal and human studies related to OMAS and lastly the treatment options for OMAs. Literature searches using PubMed, MEDLINE, Embase, National Institute for Health and Care Excellence were performed to identify articles written in English focusing on Oocyte Maturation Abnormalities by looking for the following relevant keywords. A search was made with the specified keywords and included books and documents, clinical trials, animal studies, human studies, meta-analysis, randomized controlled trials, reviews, systematic reviews and options written in english. The search detected 3,953 sources published from 1961 to 2021. After title and abstract screening for study type, duplicates and relevancy, 2,914 studies were excluded. The remaining 1,039 records were assessed for eligibility by full-text reading and 886 records were then excluded. Two hundred and twenty seven full-text articles and 0 book chapters from the database were selected for inclusion. Overall, 227 articles, one unpublished and one abstract paper were included in this final review. In this review study, OMAS were classified and extensively evaluatedand possible treatment options under the light of current information, present literature and ongoing studies. Either genetic studies or in vitro maturation studies that will be handled in the future will lead more informations to be reached and may make it possible to obtain pregnancies.
Collapse
Affiliation(s)
- Şafak Hatırnaz
- Medicana Samsun International Hospital, In Vitro Fertilization-In Vitro Maturation Unit, Samsun, Turkey
| | - Ebru Saynur Hatırnaz
- Medicana Samsun International Hospital, In Vitro Fertilization-In Vitro Maturation Unit, Samsun, Turkey
| | - Aşkı Ellibeş Kaya
- Private Office, Clinic of Obstetrics and Gynecology Specialist, Samsun, Turkey
| | - Kaan Hatırnaz
- Ondokuz Mayıs University Faculty of Medicine, Department of Molecular Biology and Genetics, Samsun, Turkey
| | - Canan Soyer Çalışkan
- University of Health Sciences Turkey, Samsun Training and Research Hospital, Clinic of Obstetrics and Gynecology, Samsun, Turkey
| | - Özlem Sezer
- University of Health Sciences Turkey, Samsun Training and Research Hospital, Clinic of Genetics, Samsun, Turkey
| | | | - Cem Demirel
- Memorial Ataşehir Hospital, In Vitro Fertilization Unit, İstanbul, Turkey
| | | | - Seang Tan
- James Edmund Dodds Chair in ObGyn, Department of ObGyn, McGill University, OriginElle Fertility Clinic and Women, QC, Canada
| | - Michael Dahan
- McGill Reproductive Centre, Department of ObGyn, McGill University Montreal, Quebec, Canada
| |
Collapse
|
19
|
Abstract
Primary ovarian insufficiency (POI) is determined by exhaustion of follicles in the ovaries, which leads to infertility before the age of 40 years. It is characterized by a strong familial and heterogeneous genetic background. Therefore, we will mainly discuss the genetic basis of POI in this review. We identified 107 genes related to POI etiology in mammals described by several independent groups. Thirty-four of these genes (AARS2, AIRE, ANTXR1, ATM, BMPR1B, CLPP, CYP17A1, CYP19A1, DCAF17, EIF2B, ERAL1, FANCA, FANCC, FMR1, FOXL2, GALT, GNAS, HARS2, HSD17B4, LARS2, LMNA, MGME1, NBN, PMM2, POLG, PREPL, RCBTB1, RECQL2/3/4, STAR, TWNK, and XRCC4/9) have been linked to syndromic POI and are mainly implicated in metabolism function and meiosis/DNA repair. In addition, the majority of genes associated with nonsyndromic POI, widely expanded by high-throughput techniques over the last decade, have been implicated in ovarian development and meiosis/DNA repair pathways (ATG7, ATG9, ANKRD31, BMP8B, BMP15, BMPR1A, BMPR1B, BMPR2, BNC1, BRCA2, CPEB1, C14ORF39, DAZL, DIAPH2, DMC1, ERCC6, FANCL, FANCM, FIGLA, FSHR, GATA4, GDF9, GJA4, HELQ, HSF2BP, HFM1, INSL3, LHCGR, LHX8, MCM8, MCM9, MEIOB, MSH4, MSH5, NANOS3, NOBOX, NOTCH2, NR5A1, NUP107, PGRMC1, POLR3H, PRDM1, PRDM9, PSMC3IP, SOHLH1, SOHLH2, SPIDR, STAG3, SYCE1, TP63, UBR2, WDR62, and XRCC2), whereas a few are related to metabolic functions (EIF4ENIF1, KHDRBS1, MRPS22, POLR2C). Some genes, such as STRA8, FOXO3A, KIT, KITL, WNT4, and FANCE, have been shown to cause ovarian insufficiency in rodents, but mutations in these genes have yet to be elucidated in women affected by POI. Lastly, some genes have been rarely implicated in its etiology (AMH, AMHR2, ERRC2, ESR1, INHA, LMN4, POF1B, POU5F1, REC8, SMC1B). Considering the heterogeneous genetic and familial background of this disorder, we hope that an overview of literature data would reinforce that genetic screening of those patients is worthwhile and helpful for better genetic counseling and patient management.
Collapse
Affiliation(s)
- Monica Malheiros França
- Unidade de Endocrinologia do Desenvolvimento, Laboratório de Hormônios e Genética Molecular/LIM42, Hospital das Clínicas, Disciplina de Endocrinologia, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil; Section of Endocrinology Diabetes and Metabolism, Department of Medicine, The University of Chicago, Chicago, IL, USA.
| | - Berenice Bilharinho Mendonca
- Unidade de Endocrinologia do Desenvolvimento, Laboratório de Hormônios e Genética Molecular/LIM42, Hospital das Clínicas, Disciplina de Endocrinologia, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil.
| |
Collapse
|
20
|
Shen Y, Xu L, Zhu W, Zhang Z, Liu J, Jiang L, Liu X, Mao Y, Xu J, Yan X, Sun J, Liu F, Xiong X, Chen X, Che Y, Du J. Associations of MCM8 rs3761873 and rs16991617 variants with abnormal uterine bleeding induced by copper intrauterine device. J Obstet Gynaecol Res 2021; 48:440-447. [PMID: 34889489 DOI: 10.1111/jog.15101] [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: 07/21/2021] [Revised: 11/03/2021] [Accepted: 11/07/2021] [Indexed: 11/30/2022]
Abstract
AIM Intrauterine device (IUD) is a commonly used contraceptive method worldwide. Abnormal uterine bleeding (AUB) is one of the most common side effects of Cu-IUDs. Since AUB varies among Cu-IUD users, changes in the bleeding-related genetic factors may contribute to AUB. This study aimed to determine the genetic risk factors of AUB after Cu-IUD insertion. METHODS We conducted a case-control study on women who experienced AUB after Cu-IUD insertion (case:control = 62:59). Six candidate variants were genotyped using the Sequenom MassARRAY. Genotype and allele frequencies were analyzed using SHEsisPlus. We performed Pearson's Chi-squared test to analyze categorical data, and ESEfinder to predict the impact on splicing regulation. RESULTS MCM8 coding sequence variants: rs3761873-A>C was in Exon 7 and rs16991617 A>G was in Exon 12 of all 19 exons, both of which were significantly different between cases and controls (pallele = 0.039 and pgenotype = 0.092). rs6022 and rs6029 in F5 gene and rs3761873 and rs16991617 in the MCM8 gene showed strong linkage disequilibrium (R2 > 0.8). ESEfinder indicated that the variants of MCM8 may affect the splicing regulation. CONCLUSIONS MCM8 rs376187 and rs16991617 were associated with AUB in Cu-IUDs users. MCM8 may play a role in AUB by regulating functions of reproductive organs and primary ovarian insufficiency. Our findings may improve the understanding of the genetic basis of AUB caused by Cu-IUDs.
Collapse
Affiliation(s)
- Yupei Shen
- NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Fudan University, Shanghai, China
| | - Linfen Xu
- Fujian Maternity and Child Health Hospital, Affiliated Hospital of Fujian Medical University, Fujian, China
| | - Weiqiang Zhu
- NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Fudan University, Shanghai, China
| | - Zhaofeng Zhang
- NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Fudan University, Shanghai, China
| | - Junwei Liu
- NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Fudan University, Shanghai, China
| | - Lifang Jiang
- NHC Key laboratory of Birth Defects Prevention, Henan Institute of Reproduction Health Science and Technology, Zhengzhou, Henan, China
| | - Xiaoli Liu
- Chongqing Health Center for Women and Children, Chongqing, China
| | - Yanyan Mao
- NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Fudan University, Shanghai, China
| | - Jianhua Xu
- NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Fudan University, Shanghai, China
| | - Xiaoqin Yan
- Maternal and Child Health and Family Planning Service Center of Huixian City, Henan, China
| | - Junjie Sun
- Chongqing Health Center for Women and Children, Chongqing, China
| | - Fang Liu
- Chongqing Health Center for Women and Children, Chongqing, China
| | - Xiumei Xiong
- Fujian Maternity and Child Health Hospital, Affiliated Hospital of Fujian Medical University, Fujian, China
| | - Xiujuan Chen
- Fujian Maternity and Child Health Hospital, Affiliated Hospital of Fujian Medical University, Fujian, China
| | - Yan Che
- NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Fudan University, Shanghai, China
| | - Jing Du
- NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Fudan University, Shanghai, China
| |
Collapse
|
21
|
Krausz C, Cioppi F. Genetic Factors of Non-Obstructive Azoospermia: Consequences on Patients' and Offspring Health. J Clin Med 2021; 10:jcm10174009. [PMID: 34501457 PMCID: PMC8432470 DOI: 10.3390/jcm10174009] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/30/2021] [Accepted: 08/31/2021] [Indexed: 12/20/2022] Open
Abstract
Non-Obstructive Azoospermia (NOA) affects about 1% of men in the general population and is characterized by clinical heterogeneity implying the involvement of several different acquired and genetic factors. NOA men are at higher risk to be carriers of known genetic anomalies such as karyotype abnormalities and Y-chromosome microdeletions in respect to oligo-normozoospermic men. In recent years, a growing number of novel monogenic causes have been identified through Whole Exome Sequencing (WES). Genetic testing is useful for diagnostic and pre-TESE prognostic purposes as well as for its potential relevance for general health. Several epidemiological observations show a link between azoospermia and higher morbidity and mortality rate, suggesting a common etiology for NOA and some chronic diseases, including cancer. Since on average 50% of NOA patients has a positive TESE outcome, the identification of genetic factors in NOA patients has relevance also to the offspring's health. Although still debated, the observed increased risk of certain neurodevelopmental disorders, as well as impaired cardiometabolic and reproductive health profile in children conceived with ICSI from NOA fathers may indicate the involvement of transmissible genetic factors. This review provides an update on the reproductive and general health consequences of known genetic factors causing NOA, including offspring's health.
Collapse
|
22
|
Verrilli L, Johnstone E, Allen-Brady K, Welt C. Shared genetics between nonobstructive azoospermia and primary ovarian insufficiency. F&S REVIEWS 2021; 2:204-213. [PMID: 36177363 PMCID: PMC9518791 DOI: 10.1016/j.xfnr.2021.04.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
OBJECTIVE Primary ovarian insufficiency (POI) and Non-obstructive azoospermia (NOA) both represent disease states of early, and often complete, failure of gametogenesis. Because oogenesis and spermatogenesis share the same conserved steps in meiosis I, it is possible that inherited defects in meiosis I could lead to shared causes of both POI and NOA. Currently, known genes that contribute to both POI and NOA are limited. In this review article, we provide a systematic review of genetic mutations in which both POI and NOA phenotypes exist. EVIDENCE REVIEW A PubMed literature review was conducted from January 1, 2000 through October 2020. We included all studies that demonstrated human cases of POI or NOA due to a specific genetic mutation either within the same family or in separate families. RESULTS We identified 33 papers that encompassed 10 genes of interest with mutations implicated in both NOA and POI. The genes were all involved in processes of meiosis I. CONCLUSION Mutations in genes involved in processes of meiosis I may cause both NOA and POI. Identifying these unique phenotypes among shared genotypes leads to biologic plausibility that the key error occurs early in gametogenesis with an etiology shared among both male and female offspring. From a clinical standpoint, this shared relationship may help us better understand and identify individuals at high risk for gonadal failure within families and suggests that clinicians obtain history for opposite sex family members when approaching a new diagnosis of POI or NOA.
Collapse
Affiliation(s)
- Lauren Verrilli
- University of Utah School of Medicine, Department of Obstetrics and Gynecology, 30 N 1900 E #2B200, Salt Lake City, UT 84132
| | - Erica Johnstone
- University of Utah School of Medicine, Department of Obstetrics and Gynecology, 30 N 1900 E #2B200, Salt Lake City, UT 84132
| | - Kristina Allen-Brady
- University of Utah School of Medicine, Division of Epidemiology, Department of Internal Medicine, 296 Chipeta Way, Salt Lake City, UT 84108
| | - Corrine Welt
- University of Utah School of Medicine, Division of Endocrinology, Metabolism and Diabetes, Salt Lake City, UT 84132
| |
Collapse
|
23
|
Sha Y, Liu W, Wei X, Zhu X, Tang B, Zhang X, Yang X, Wang Y, Wang X. Pathogenic variants of ATG4D in infertile men with non-obstructive azoospermia identified using whole-exome sequencing. Clin Genet 2021; 100:280-291. [PMID: 33988247 DOI: 10.1111/cge.13995] [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: 03/18/2021] [Revised: 05/09/2021] [Accepted: 05/10/2021] [Indexed: 12/13/2022]
Abstract
Non-obstructive azoospermia (NOA) is the most severe form of male infertility, and it is primarily associated with genetic defects. We performed whole-exome sequencing of 236 patients with NOA and identified a homozygous pathogenic variant of autophagy-related 4D cysteine peptidase (ATG4D) in two siblings from a consanguineous family and compound heterozygous pathogenic variants of ATG4D in two sporadic cases. The expression of LC3B, a regulator of autophagic activity, was significantly decreased, and the apoptosis rate of spermatogenic cells in testicular tissues was increased. Transfection of GC-2spd cells with a ATG4D mutant plasmid (Flag-Atg4dmut ) significantly decreased the expression level of Lc3b and increased the rate of apoptosis. Moreover, a pathogenic variant in X-linked ATG4A and compound heterozygous pathogenic variants of ATG4B were identified in one patient each. All novel variants were segregated by disease phenotype and were predicted to be pathogenic. Our findings revealed that autophagy-related cysteine peptidase family genes may play crucial roles in human spermatogenesis and identified ATG4D as a novel candidate gene for male infertility due to NOA.
Collapse
Affiliation(s)
- Yanwei Sha
- Department of Andrology, United Diagnostic and Research Centre for Clinical Genetics, School of Public Health & Women and Children's Hospital, Xiamen University, Xiamen, China
| | - Wensheng Liu
- Department of Gynaecology and Obstetrics, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Xiaoli Wei
- School of Pharmaceutical Sciences, State Key Laboratory of Cellular Stress Biology, Xiamen University, Xiamen, China
| | - Xingshen Zhu
- School of Pharmaceutical Sciences, State Key Laboratory of Cellular Stress Biology, Xiamen University, Xiamen, China
| | - Bowen Tang
- School of Pharmaceutical Sciences, State Key Laboratory of Cellular Stress Biology, Xiamen University, Xiamen, China
| | - Xiaoya Zhang
- School of Pharmaceutical Sciences, State Key Laboratory of Cellular Stress Biology, Xiamen University, Xiamen, China
| | - Xiaoyu Yang
- State Key Laboratory of Reproductive Medicine, Clinical Centre of Reproductive Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yifeng Wang
- Department of Gynaecology and Obstetrics, Zhujiang Hospital of Southern Medical University, Guangzhou, China
| | - Xiong Wang
- Reproductive Medicine Centre, Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, China
| |
Collapse
|
24
|
Li Y, Wu Y, Zhou J, Zhang H, Zhang Y, Ma H, Jiang X, Shi Q. A recurrent ZSWIM7 mutation causes male infertility resulting from decreased meiotic recombination. Hum Reprod 2021; 36:1436-1445. [PMID: 33713115 DOI: 10.1093/humrep/deab046] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 01/26/2021] [Indexed: 12/14/2022] Open
Abstract
STUDY QUESTION Are mutations in the zinc finger SWIM domain-containing protein 7 gene (ZSWIM7) associated with human male infertility? SUMMARY ANSWER The homozygous frameshift mutation (c.231_232del) in ZSWIM7 causes decreased meiotic recombination, spermatogenesis arrest, and infertility in men. WHAT IS KNOWN ALREADY ZSWIM7 is a SWIM domain-containing Shu2/SWS1 protein family member and a subunit of the Shu complex. Zswim7 knockout mice were infertile due to impaired meiotic recombination. However, so far there is no direct evidence that mutations of ZSWIM7 cause human infertility. STUDY DESIGN, SIZE, DURATION Screening for mutations of ZSWIM7 was performed using in-house whole-exome sequencing data from 60 men with non-obstructive azoospermia (NOA). Mice with a corresponding Zswim7 mutation were generated for functional verification. PARTICIPANTS/MATERIALS, SETTING, METHODS Sixty Chinese patients, who were from different regions of China, were enrolled. All the patients were diagnosed with NOA owing to spermatocyte maturation arrest based on histopathological analyses and/or immunostaining of spermatocyte chromosome spreads. ZSWIM7 mutations were screened from the whole-exome sequencing data of these patients, followed by functional verification in mice. MAIN RESULTS AND THE ROLE OF CHANCE A homozygous frameshift mutation (c.231_232del) in ZSWIM7 was found in two out of the 60 unrelated NOA patients. Both patients displayed small testicular size and spermatocyte maturation arrest in testis histology. Spermatocyte chromosome spreads of one patient revealed meiotic maturation arrest in a pachytene-like stage, with incomplete synapsis and decreased meiotic recombination. Male mice carrying a homozygous mutation similar to that of our patients were generated and also displayed reduced recombination, meiotic arrest and azoospermia, paralleling the spermatogenesis defects in our patients. LIMITATIONS, REASONS FOR CAUTION As Zswim7 is also essential for meiosis in female mice, future studies should evaluate the ZSWIM7 mutations more in depth and in larger cohorts of infertile patients, including males and females, to validate the findings. WIDER IMPLICATIONS OF THE FINDINGS These findings provide direct clinical and functional evidence that the recurrent ZSWIM7 mutation (c.231_232del) causes decreased meiotic recombination and leads to male infertility, illustrating the genotype-phenotype correlations of meiotic recombination defects in humans. STUDY FUNDING/COMPETING INTEREST(S) This work was supported by the National Natural Science Foundation of China (31890780, 31630050, 32061143006, 82071709, and 31871514), the Strategic Priority Research Program of the Chinese Academy of Sciences (XDB19000000), and the National Key Research and Developmental Program of China (2018YFC1003900 and 2019YFA0802600). TRIAL REGISTRATION NUMBER Not applicable.
Collapse
Affiliation(s)
- Yang Li
- Division of Reproduction and Genetics, First Affiliated Hospital of USTC, Hefei National Laboratory for Physical Sciences at Microscale, the CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Basic Medical Sciences, Division of Life Sciences and Medicine, CAS Center for Excellence in Molecular Cell Science, Collaborative Innovation Center of Genetics and Development, University of Science and Technology of China, Hefei, China
| | - Yufan Wu
- Division of Reproduction and Genetics, First Affiliated Hospital of USTC, Hefei National Laboratory for Physical Sciences at Microscale, the CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Basic Medical Sciences, Division of Life Sciences and Medicine, CAS Center for Excellence in Molecular Cell Science, Collaborative Innovation Center of Genetics and Development, University of Science and Technology of China, Hefei, China
| | - Jianteng Zhou
- Division of Reproduction and Genetics, First Affiliated Hospital of USTC, Hefei National Laboratory for Physical Sciences at Microscale, the CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Basic Medical Sciences, Division of Life Sciences and Medicine, CAS Center for Excellence in Molecular Cell Science, Collaborative Innovation Center of Genetics and Development, University of Science and Technology of China, Hefei, China
| | - Huan Zhang
- Division of Reproduction and Genetics, First Affiliated Hospital of USTC, Hefei National Laboratory for Physical Sciences at Microscale, the CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Basic Medical Sciences, Division of Life Sciences and Medicine, CAS Center for Excellence in Molecular Cell Science, Collaborative Innovation Center of Genetics and Development, University of Science and Technology of China, Hefei, China
| | - Yuanwei Zhang
- Division of Reproduction and Genetics, First Affiliated Hospital of USTC, Hefei National Laboratory for Physical Sciences at Microscale, the CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Basic Medical Sciences, Division of Life Sciences and Medicine, CAS Center for Excellence in Molecular Cell Science, Collaborative Innovation Center of Genetics and Development, University of Science and Technology of China, Hefei, China
| | - Hui Ma
- Division of Reproduction and Genetics, First Affiliated Hospital of USTC, Hefei National Laboratory for Physical Sciences at Microscale, the CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Basic Medical Sciences, Division of Life Sciences and Medicine, CAS Center for Excellence in Molecular Cell Science, Collaborative Innovation Center of Genetics and Development, University of Science and Technology of China, Hefei, China
| | - Xiaohua Jiang
- Division of Reproduction and Genetics, First Affiliated Hospital of USTC, Hefei National Laboratory for Physical Sciences at Microscale, the CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Basic Medical Sciences, Division of Life Sciences and Medicine, CAS Center for Excellence in Molecular Cell Science, Collaborative Innovation Center of Genetics and Development, University of Science and Technology of China, Hefei, China
| | - Qinghua Shi
- Division of Reproduction and Genetics, First Affiliated Hospital of USTC, Hefei National Laboratory for Physical Sciences at Microscale, the CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Basic Medical Sciences, Division of Life Sciences and Medicine, CAS Center for Excellence in Molecular Cell Science, Collaborative Innovation Center of Genetics and Development, University of Science and Technology of China, Hefei, China
| |
Collapse
|
25
|
Structural study of the N-terminal domain of human MCM8/9 complex. Structure 2021; 29:1171-1181.e4. [PMID: 34043945 DOI: 10.1016/j.str.2021.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 04/26/2021] [Accepted: 05/07/2021] [Indexed: 11/20/2022]
Abstract
MCM8/9 is a complex involved in homologous recombination (HR) repair pathway. MCM8/9 dysfunction can cause genome instability and result in primary ovarian insufficiency (POI). However, the mechanism underlying these effects is largely unknown. Here, we report crystal structures of the N-terminal domains (NTDs) of MCM8 and MCM9, and build a ring-shaped NTD structure based on a 6.6 Å resolution cryoelectron microscopy map. This shows that the MCM8/9 complex forms a 3:3 heterohexamer in an alternating pattern. A positively charged DNA binding channel and a putative ssDNA exit pathway for fork DNA unwinding are revealed. Based on the atomic model, the potential effects of the clinical POI mutants are interpreted. Surprisingly, the zinc-finger motifs are found to be capable of binding an iron atom as well. Overall, our results provide a model for the formation of the MCM8/9 complex and provide a path for further studies.
Collapse
|
26
|
Shukla V, Høffding MK, Hoffmann ER. Genome diversity and instability in human germ cells and preimplantation embryos. Semin Cell Dev Biol 2021; 113:132-147. [PMID: 33500205 PMCID: PMC8097364 DOI: 10.1016/j.semcdb.2020.12.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 12/18/2020] [Indexed: 12/26/2022]
Abstract
Genome diversity is essential for evolution and is of fundamental importance to human health. Generating genome diversity requires phases of DNA damage and repair that can cause genome instability. Humans have a high incidence of de novo congenital disorders compared to other organisms. Recent access to eggs, sperm and preimplantation embryos is revealing unprecedented rates of genome instability that may result in infertility and de novo mutations that cause genomic imbalance in at least 70% of conceptions. The error type and incidence of de novo mutations differ during developmental stages and are influenced by differences in male and female meiosis. In females, DNA repair is a critical factor that determines fertility and reproductive lifespan. In males, aberrant meiotic recombination causes infertility, embryonic failure and pregnancy loss. Evidence suggest germ cells are remarkably diverse in the type of genome instability that they display and the DNA damage responses they deploy. Additionally, the initial embryonic cell cycles are characterized by a high degree of genome instability that cause congenital disorders and may limit the use of CRISPR-Cas9 for heritable genome editing.
Collapse
Affiliation(s)
- Vallari Shukla
- DNRF Center for Chromosome Stability, Department of Cellular and Molecular Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Miya Kudo Høffding
- DNRF Center for Chromosome Stability, Department of Cellular and Molecular Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Eva R Hoffmann
- DNRF Center for Chromosome Stability, Department of Cellular and Molecular Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark.
| |
Collapse
|
27
|
Genetics of Azoospermia. Int J Mol Sci 2021; 22:ijms22063264. [PMID: 33806855 PMCID: PMC8004677 DOI: 10.3390/ijms22063264] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [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.
Collapse
|
28
|
Akbari A, Padidar K, Salehi N, Mashayekhi M, Almadani N, Sadighi Gilani MA, Bashambou A, McElreavey K, Totonchi M. Rare missense variant in MSH4 associated with primary gonadal failure in both 46, XX and 46, XY individuals. Hum Reprod 2021; 36:1134-1145. [PMID: 33448284 DOI: 10.1093/humrep/deaa362] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 11/21/2020] [Indexed: 12/13/2022] Open
Abstract
STUDY QUESTION Can whole-exome sequencing (WES) reveal a shared pathogenic variant responsible for primary gonadal failure in both male and female patients from a consanguineous family? SUMMARY ANSWER Patients with primary ovarian insufficiency (POI) and non-obstructive azoospermia (NOA) were homozygous for the rare missense variant p. S754L located in the highly conserved MSH4 MutS signature motif of the ATPase domain. An oligozoospermic patient was heterozygous for the variant. WHAT IS KNOWN ALREADY MSH4 is a meiosis-specific protein expressed at a certain level in the testes and ovaries. Along with its heterodimer partner MSH5, it is responsible for double-strand Holliday junction recognition and stabilization, to ensure accurate chromosome segregation during meiosis. Knockout male and female mice for Msh4 and Msh5 are reportedly infertile due to meiotic arrest. In humans, MSH4 is associated with male and female gonadal failure, with distinct variations in the MutS domain V. STUDY DESIGN, SIZE, DURATION This was a retrospective genetics study of a consanguineous family with multiple cases of gonadal failure in both genders. The subject family was recruited in Iran, in 2018. PARTICIPANTS/MATERIALS, SETTING, METHODS The proband who is affected by POI, an NOA brother, a fertile sister and their parents were subjected to WES. The discovered variant was validated in these individuals, and the rest of the family was also genotyped by Sanger sequencing. The variant was not detected in 800 healthy Iranian individuals from the Iranome database nor in 30 sporadic NOA and 30 sporadic POI patients. Suggested effect in aberrant splicing was studied by RT-PCR. Moreover, protein homology modeling was used to further investigate the amino acid substitution in silico. MAIN RESULTS AND THE ROLE OF CHANCE The discovered variant is very rare and has never been reported in the homozygous state. It occurs in the ATPase domain at Serine 754, the first residue within the highly conserved MutS signature motif, substituting it with a Leucine. All variant effect prediction tools indicated this variant as deleterious. Since the substitution occurs immediately before the Walker B motif at position 755, further investigations based on protein homology were conducted. Considering the modeling results, the nature of the substituted amino acid residue and the distances between p. S754L variation and the residues of the Walker B motif suggested the possibility of conformational changes affecting the ATPase activity of the protein. LARGE SCALE DATA We have submitted dbSNP entry rs377712900 to ClinVar under SCV001169709, SCV001169708 and SCV001142647 for oligozoospermia, NOA and POI, respectively. LIMITATIONS, REASONS FOR CAUTION Studies in model organisms can shed more light on the role of this variant as our results were obtained by variant effect prediction tools and protein homology modeling. WIDER IMPLICATIONS OF THE FINDINGS Identification of variants in meiotic genes should improve genetic counseling for both male and female infertility. Also, as two of our NOA patients underwent testicular sperm extraction (TESE) with no success, ruling out the existence of pathogenic variants in meiotic genes in such patients prior to TESE could prove useful. STUDY FUNDING/COMPETING INTEREST(S) This study was financially supported by Royan Institute in Tehran, Iran, and Institut Pasteur in Paris, France. The authors declare no competing interests. TRIAL REGISTRATION NUMBER N/A.
Collapse
Affiliation(s)
- Arvand Akbari
- Department of Genetics, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Kimiya Padidar
- Department of Genetics, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran.,Department of Molecular Genetics, Faculty of Basic Sciences and Advanced Technologies in Biology, University of Science and Culture, Tehran, Iran
| | - Najmeh Salehi
- Department of Genetics, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran.,Department of Bioinformatics, Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - Mehri Mashayekhi
- Department of Endocrinology and Female Infertility, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Navid Almadani
- Department of Genetics, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Mohammad Ali Sadighi Gilani
- Department of Andrology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Anu Bashambou
- Human Developmental Genetics Unit, Institut Pasteur, Paris, France
| | - Ken McElreavey
- Human Developmental Genetics Unit, Institut Pasteur, Paris, France
| | - Mehdi Totonchi
- Department of Genetics, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran.,Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| |
Collapse
|
29
|
Huang C, Guo T, Qin Y. Meiotic Recombination Defects and Premature Ovarian Insufficiency. Front Cell Dev Biol 2021; 9:652407. [PMID: 33763429 PMCID: PMC7982532 DOI: 10.3389/fcell.2021.652407] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 02/05/2021] [Indexed: 12/12/2022] Open
Abstract
Premature ovarian insufficiency (POI) is the depletion of ovarian function before 40 years of age due to insufficient oocyte formation or accelerated follicle atresia. Approximately 1–5% of women below 40 years old are affected by POI. The etiology of POI is heterogeneous, including genetic disorders, autoimmune diseases, infection, iatrogenic factors, and environmental toxins. Genetic factors account for 20–25% of patients. However, more than half of the patients were idiopathic. With the widespread application of next-generation sequencing (NGS), the genetic spectrum of POI has been expanded, especially the latest identification in meiosis and DNA repair-related genes. During meiotic prophase I, the key processes include DNA double-strand break (DSB) formation and subsequent homologous recombination (HR), which are essential for chromosome segregation at the first meiotic division and genome diversity of oocytes. Many animal models with defective meiotic recombination present with meiotic arrest, DSB accumulation, and oocyte apoptosis, which are similar to human POI phenotype. In the article, based on different stages of meiotic recombination, including DSB formation, DSB end processing, single-strand invasion, intermediate processing, recombination, and resolution and essential proteins involved in synaptonemal complex (SC), cohesion complex, and fanconi anemia (FA) pathway, we reviewed the individual gene mutations identified in POI patients and the potential candidate genes for POI pathogenesis, which will shed new light on the genetic architecture of POI and facilitate risk prediction, ovarian protection, and early intervention for POI women.
Collapse
Affiliation(s)
- Chengzi Huang
- Center for Reproductive Medicine, Cheeloo College of Medicine, Shandong University, Jinan, China.,National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, China.,Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, China.,Shandong Provincial Clinical Medicine Research Center for Reproductive Health, Shandong University, Jinan, China
| | - Ting Guo
- Center for Reproductive Medicine, Cheeloo College of Medicine, Shandong University, Jinan, China.,National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, China.,Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, China.,Shandong Provincial Clinical Medicine Research Center for Reproductive Health, Shandong University, Jinan, China
| | - Yingying Qin
- Center for Reproductive Medicine, Cheeloo College of Medicine, Shandong University, Jinan, China.,National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, China.,Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, China.,Shandong Provincial Clinical Medicine Research Center for Reproductive Health, Shandong University, Jinan, China
| |
Collapse
|
30
|
Innan H, Vaiman D, Veitia RA. Predictable increase in female reproductive window: A simple model connecting age of reproduction, menopause, and longevity. Bioessays 2021; 43:e2000233. [PMID: 33569823 DOI: 10.1002/bies.202000233] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 01/22/2021] [Accepted: 01/27/2021] [Indexed: 01/08/2023]
Abstract
With the ever-increasing lifespan along with societal changes, women can marry and procreate later than in previous centuries. However, pathogenic genetic variants segregating in the population can lead to female subfertility or infertility well before the average age of normal menopause, leading to counter-selection of such deleterious alleles. In reviewing this field, we speculate that a logical consequence would be the later occurrence of menopause and the extension of women's reproductive lifespan. We illustrate this point with a simple model that applies to other variants that contribute to female infertility, including epigenetic variation. We also consider the effect of medical interventions and lifestyle.
Collapse
Affiliation(s)
- Hideki Innan
- Graduate University for Advanced Studies, Hayama, Kanagawa, Japan
| | - Daniel Vaiman
- Université de Paris, Paris, France.,Institut Cochin, Paris, France
| | - Reiner A Veitia
- Université de Paris, Paris, France.,CNRS, Institut Jacques Monod, Paris, France.,Institut de Biologie François Jacob, Commissariat à l'Energie Atomique et aux Energies Alternatives, Université Paris-Saclay, Paris, France
| |
Collapse
|
31
|
Biswas L, Tyc K, El Yakoubi W, Morgan K, Xing J, Schindler K. Meiosis interrupted: the genetics of female infertility via meiotic failure. Reproduction 2021; 161:R13-R35. [PMID: 33170803 DOI: 10.1530/rep-20-0422] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 11/10/2020] [Indexed: 12/14/2022]
Abstract
Idiopathic or 'unexplained' infertility represents as many as 30% of infertility cases worldwide. Conception, implantation, and term delivery of developmentally healthy infants require chromosomally normal (euploid) eggs and sperm. The crux of euploid egg production is error-free meiosis. Pathologic genetic variants dysregulate meiotic processes that occur during prophase I, meiotic resumption, chromosome segregation, and in cell cycle regulation. This dysregulation can result in chromosomally abnormal (aneuploid) eggs. In turn, egg aneuploidy leads to a broad range of clinical infertility phenotypes, including primary ovarian insufficiency and early menopause, egg fertilization failure and embryonic developmental arrest, or recurrent pregnancy loss. Therefore, maternal genetic variants are emerging as infertility biomarkers, which could allow informed reproductive decision-making. Here, we select and deeply examine human genetic variants that likely cause dysregulation of critical meiotic processes in 14 female infertility-associated genes: SYCP3, SYCE1, TRIP13, PSMC3IP, DMC1, MCM8, MCM9, STAG3, PATL2, TUBB8, CEP120, AURKB, AURKC, andWEE2. We discuss the function of each gene in meiosis, explore genotype-phenotype relationships, and delineate the frequencies of infertility-associated variants.
Collapse
Affiliation(s)
- Leelabati Biswas
- Department of Genetics, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA.,Human Genetics Institute of New Jersey, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA
| | - Katarzyna Tyc
- Department of Genetics, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA
| | - Warif El Yakoubi
- Department of Genetics, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA
| | - Katie Morgan
- Department of Genetics, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA
| | - Jinchuan Xing
- Department of Genetics, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA.,Human Genetics Institute of New Jersey, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA
| | - Karen Schindler
- Department of Genetics, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA.,Human Genetics Institute of New Jersey, Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA
| |
Collapse
|
32
|
Mirinezhad MR, Khosroabadi N, Rahpeyma M, Khayami R, Hashemi SR, Ghazizadeh H, Ferns GA, Pasdar A, Ghayour-Mobarhan M, Hamzehloei T. Genetic Determinants of Premature Menopause in A Mashhad Population Cohort. INTERNATIONAL JOURNAL OF FERTILITY & STERILITY 2021; 15:26-33. [PMID: 33497044 PMCID: PMC7838752 DOI: 10.22074/ijfs.2020.134688] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Accepted: 09/07/2020] [Indexed: 11/04/2022]
Abstract
Background Premature menopause is characterized by amenorrhea before age of 40 years, markedly raised serum luteinizing hormone (LH) level, follicle-stimulating hormone (FSH) level and reduced serum level of estradiol. Genome-wide analysis suggested several loci associated with premature menopause. Here, we aimed to analyze association of variants at the MCM8, FNDC4, PRRC2A, TLK1, ZNF346 and TMEM150B gene loci with premature menopause. Materials and Methods In this cross-sectional study, a total of 117 women with premature menopause were compared to 183 healthy women. Anthropometric indices were measured in all participants: height, weight, body mass index (BMI), waist circumference (WC) and wrist circumference. Eight single-nucleotide polymorphisms (SNPs) of the indicated genes (rs16991615, rs244715, rs451417, rs1046089, rs7246479, rs4806660, rs10183486 and rs2303369) were identified from the literature. Genotyping was performed using tetra-ARMS polymerase chain reaction (PCR) and ASO-PCR methods. Results T allele of the rs16991615, rs1046089, rs7246479 and rs10183486, C allele of rs244715, rs451417 and rs4806660 as well as TT genotype of rs2303369 were associated with an increased risk of premature menopause, likely causing susceptibility to primary ovarian insufficiency (POI) in comparison with C allele. We also found an association between the rs16991615 SNP with premature menopause. Frequency of the minor allele in cases was increased for all SNPs in comparison with controls. All minor alleles, except for rs2303369, showed a statistically significant increased odds ratio (OR). However, after Bonferroni correction for multiple testing, none of the P values were remained significant. Conclusion The selected polymorphisms in MCM8, FNDC4, PRRC2A, TLK1, ZNF346 and TMEM150B genes may potentially affect susceptibility to premature menopause, although replication of the results in larger cohort could clarify this.
Collapse
Affiliation(s)
- Mohammad Reza Mirinezhad
- Department of Medical Genetics and Molecular Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Narges Khosroabadi
- Department of Genetics, Faculty of Biological Science, Shahid Beheshti University, Tehran, Iran
| | - Maliheh Rahpeyma
- Department of Medical Genetics and Molecular Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Reza Khayami
- Department of Medical Genetics and Molecular Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyyed Reza Hashemi
- Department of Medical Genetics and Molecular Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hamideh Ghazizadeh
- Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran.,Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,International UNESCO Center for Health-Related Basic Sciences and Human Nutrition, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Gordon A Ferns
- Brighton and Sussex Medical School, Division of Medical Education, Falmer, Brighton, Sussex BN1 9PH, UK
| | - Alireza Pasdar
- Department of Medical Genetics and Molecular Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran. .,Division of Applied Medicine, Medical School, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZD, UK
| | - Majid Ghayour-Mobarhan
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran..,International UNESCO Center for Health-Related Basic Sciences and Human Nutrition, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Tayebeh Hamzehloei
- Department of Medical Genetics and Molecular Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
| |
Collapse
|
33
|
Crandall CJ, Diamant AL, Maglione M, Thurston RC, Sinsheimer J. Genetic Variation and Hot Flashes: A Systematic Review. J Clin Endocrinol Metab 2020; 105:dgaa536. [PMID: 32797194 PMCID: PMC7538102 DOI: 10.1210/clinem/dgaa536] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 08/10/2020] [Indexed: 12/26/2022]
Abstract
CONTEXT Approximately 70% of women report experiencing vasomotor symptoms (VMS, hot flashes and/or night sweats). The etiology of VMS is not clearly understood but may include genetic factors. EVIDENCE ACQUISITION We searched PubMed and Embase in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidance. We included studies on associations between genetic variation and VMS. We excluded studies focused on medication interventions or prevention or treatment of breast cancer. EVIDENCE SYNTHESIS Of 202 unique citations, 18 citations met the inclusion criteria. Study sample sizes ranged from 51 to 17 695. Eleven of the 18 studies had fewer than 500 participants; 2 studies had 1000 or more. Overall, statistically significant associations with VMS were found for variants in 14 of the 26 genes assessed in candidate gene studies. The cytochrome P450 family 1 subfamily A member 1 (CYP1B1) gene was the focus of the largest number (n = 7) of studies, but strength and statistical significance of associations of CYP1B1 variants with VMS were inconsistent. A genome-wide association study reported statistically significant associations between 14 single-nucleotide variants in the tachykinin receptor 3 gene and VMS. Heterogeneity across trials regarding VMS measurement methods and effect measures precluded quantitative meta-analysis; there were few studies of each specific genetic variant. CONCLUSIONS Genetic variants are associated with VMS. The associations are not limited to variations in sex-steroid metabolism genes. However, studies were few and future studies are needed to confirm and extend these findings.
Collapse
Affiliation(s)
- Carolyn J Crandall
- David Geffen School of Medicine at the University of California Los Angeles, Los Angeles, California
| | - Allison L Diamant
- David Geffen School of Medicine at the University of California Los Angeles, Los Angeles, California
| | | | - Rebecca C Thurston
- University of Pittsburgh School of Medicine & Graduate School of Public Health, Pittsburgh, Pennsylvania
| | - Janet Sinsheimer
- David Geffen School of Medicine at the University of California Los Angeles, Los Angeles, California
| |
Collapse
|
34
|
Jiao SY, Yang YH, Chen SR. Molecular genetics of infertility: loss-of-function mutations in humans and corresponding knockout/mutated mice. Hum Reprod Update 2020; 27:154-189. [PMID: 33118031 DOI: 10.1093/humupd/dmaa034] [Citation(s) in RCA: 106] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 07/15/2020] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Infertility is a major issue in human reproductive health, affecting an estimated 15% of couples worldwide. Infertility can result from disorders of sex development (DSD) or from reproductive endocrine disorders (REDs) with onset in infancy, early childhood or adolescence. Male infertility, accounting for roughly half of all infertility cases, generally manifests as decreased sperm count (azoospermia or oligozoospermia), attenuated sperm motility (asthenozoospermia) or a higher proportion of morphologically abnormal sperm (teratozoospermia). Female infertility can be divided into several classical types, including, but not limited to, oocyte maturation arrest, premature ovarian insufficiency (POI), fertilization failure and early embryonic arrest. An estimated one half of infertility cases have a genetic component; however, most genetic causes of human infertility are currently uncharacterized. The advent of high-throughput sequencing technologies has greatly facilitated the identification of infertility-associated gene mutations in patients over the past 20 years. OBJECTIVE AND RATIONALE This review aims to conduct a narrative review of the genetic causes of human infertility. Loss-of-function mutation discoveries related to human infertility are summarized and further illustrated in tables. Corresponding knockout/mutated animal models of causative genes for infertility are also introduced. SEARCH METHODS A search of the PubMed database was performed to identify relevant studies published in English. The term 'mutation' was combined with a range of search terms related to the core focus of the review: infertility, DSD, REDs, azoospermia or oligozoospermia, asthenozoospermia, multiple morphological abnormalities of the sperm flagella (MMAF), primary ciliary dyskinesia (PCD), acephalic spermatozoa syndrome (ASS), globozoospermia, teratozoospermia, acrosome, oocyte maturation arrest, POI, zona pellucida, fertilization defects and early embryonic arrest. OUTCOMES Our search generated ∼2000 records. Overall, 350 articles were included in the final review. For genetic investigation of human infertility, the traditional candidate gene approach is proceeding slowly, whereas high-throughput sequencing technologies in larger cohorts of individuals is identifying an increasing number of causative genes linked to human infertility. This review provides a wide panel of gene mutations in several typical forms of human infertility, including DSD, REDs, male infertility (oligozoospermia, MMAF, PCD, ASS and globozoospermia) and female infertility (oocyte maturation arrest, POI, fertilization failure and early embryonic arrest). The causative genes, their identified mutations, mutation rate, studied population and their corresponding knockout/mutated mice of non-obstructive azoospermia, MMAF, ASS, globozoospermia, oocyte maturation arrest, POI, fertilization failure and early embryonic arrest are further illustrated by tables. In this review, we suggest that (i) our current knowledge of infertility is largely obtained from knockout mouse models; (ii) larger cohorts of clinical cases with distinct clinical characteristics need to be recruited in future studies; (iii) the whole picture of genetic causes of human infertility relies on both the identification of more mutations for distinct types of infertility and the integration of known mutation information; (iv) knockout/mutated animal models are needed to show whether the phenotypes of genetically altered animals are consistent with findings in human infertile patients carrying a deleterious mutation of the homologous gene; and (v) the molecular mechanisms underlying human infertility caused by pathogenic mutations are largely unclear in most current studies. WILDER IMPLICATIONS It is important to use our current understanding to identify avenues and priorities for future research in the field of genetic causes of infertility as well as to apply mutation knowledge to risk prediction, genetic diagnosis and potential treatment for human infertility.
Collapse
Affiliation(s)
- Shi-Ya Jiao
- Education Key Laboratory of Cell Proliferation & Regulation Biology, College of Life Sciences, Beijing Normal University, 100875 Beijing, China
| | - Yi-Hong Yang
- Reproduction Medical Center of West China Second University Hospital, Key Laboratory of Obstetric, Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, Sichuan University, 610041 Chengdu, China
| | - Su-Ren Chen
- Education Key Laboratory of Cell Proliferation & Regulation Biology, College of Life Sciences, Beijing Normal University, 100875 Beijing, China
| |
Collapse
|
35
|
Kamal L, Pierce SB, Canavati C, Rayyan AA, Jaraysa T, Lobel O, Lolas S, Norquist BM, Rabie G, Zahdeh F, Levy-Lahad E, King MC, Kanaan MN. Helicase-inactivating BRIP1 mutation yields Fanconi anemia with microcephaly and other congenital abnormalities. Cold Spring Harb Mol Case Stud 2020; 6:a005652. [PMID: 33028645 PMCID: PMC7552932 DOI: 10.1101/mcs.a005652] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 08/11/2020] [Indexed: 02/07/2023] Open
Abstract
Fanconi anemia is a genetically and phenotypically heterogeneous disorder characterized by congenital anomalies, bone marrow failure, cancer, and sensitivity of chromosomes to DNA cross-linking agents. One of the 22 genes responsible for Fanconi anemia is BRIP1, in which biallelic truncating mutations lead to Fanconi anemia group J and monoallelic truncating mutations predispose to certain cancers. However, of the more than 1000 reported missense mutations in BRIP1, very few have been functionally characterized. We evaluated the functional consequence of BRIP1 p.R848H (c.2543G > A), which was homozygous in two cousins with low birth weight, microcephaly, upper limb abnormalities, and imperforate anus and for whom chromosome breakage analysis of patient cells revealed increased mitomycin C sensitivity. BRIP1 p.R848H alters a highly conserved residue in the catalytic DNA helicase domain. We show that BRIP1 p.R848H leads to a defect in helicase activity. Heterozygosity at this missense has been reported in multiple cancer patients but, in the absence of functional studies, classified as of unknown significance. Our results support that this mutation is pathogenic for Fanconi anemia in homozygotes and for increased cancer susceptibility in heterozygous carriers.
Collapse
Affiliation(s)
- Lara Kamal
- Molecular Genetics Laboratory, Istishari Arab Hospital, Ramallah, Palestine
- Hereditary Research Laboratory and Department of Biology, Bethlehem University, Bethlehem, Palestine
| | - Sarah B Pierce
- Departments of Medicine and Genome Sciences, University of Washington, Seattle, Washington 98195, USA
| | - Christina Canavati
- Hereditary Research Laboratory and Department of Biology, Bethlehem University, Bethlehem, Palestine
| | - Amal Abu Rayyan
- Hereditary Research Laboratory and Department of Biology, Bethlehem University, Bethlehem, Palestine
| | - Tamara Jaraysa
- Hereditary Research Laboratory and Department of Biology, Bethlehem University, Bethlehem, Palestine
| | - Orit Lobel
- Medical Genetics Institute, Shaare Zedek Medical Center, Jerusalem 9103102, Israel
| | - Suhair Lolas
- Hereditary Research Laboratory and Department of Biology, Bethlehem University, Bethlehem, Palestine
| | - Barbara M Norquist
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Washington, Seattle, Washington 98195, USA
| | - Grace Rabie
- Hereditary Research Laboratory and Department of Biology, Bethlehem University, Bethlehem, Palestine
| | - Fouad Zahdeh
- Hereditary Research Laboratory and Department of Biology, Bethlehem University, Bethlehem, Palestine
| | - Ephrat Levy-Lahad
- Medical Genetics Institute, Shaare Zedek Medical Center, Jerusalem 9103102, Israel
- Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem 9112001, Israel
| | - Mary-Claire King
- Departments of Medicine and Genome Sciences, University of Washington, Seattle, Washington 98195, USA
| | - Moien N Kanaan
- Molecular Genetics Laboratory, Istishari Arab Hospital, Ramallah, Palestine
- Hereditary Research Laboratory and Department of Biology, Bethlehem University, Bethlehem, Palestine
| |
Collapse
|
36
|
Yatsenko SA, Rajkovic A. Genetics of human female infertility†. Biol Reprod 2020; 101:549-566. [PMID: 31077289 DOI: 10.1093/biolre/ioz084] [Citation(s) in RCA: 96] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 04/17/2019] [Accepted: 05/09/2019] [Indexed: 02/06/2023] Open
Abstract
About 10% of women of reproductive age are unable to conceive or carry a pregnancy to term. Female factors alone account for at least 35% of all infertility cases and comprise a wide range of causes affecting ovarian development, maturation of oocytes, and fertilization competence, as well as the potential of a fertilized egg for preimplantation development, implantation, and fetal growth. Genetic abnormalities leading to infertility in females comprise large chromosome abnormalities, submicroscopic chromosome deletion and duplications, and DNA sequence variations in the genes that control numerous biological processes implicated in oogenesis, maintenance of ovarian reserve, hormonal signaling, and anatomical and functional development of female reproductive organs. Despite the great number of genes implicated in reproductive physiology by the study of animal models, only a subset of these genes is associated with human infertility. In this review, we mainly focus on genetic alterations identified in humans and summarize recent knowledge on the molecular pathways of oocyte development and maturation, the crucial role of maternal-effect factors during embryogenesis, and genetic conditions associated with ovarian dysgenesis, primary ovarian insufficiency, early embryonic lethality, and infertility.
Collapse
Affiliation(s)
- Svetlana A Yatsenko
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA.,Department of Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh School of Medicine, Pittsburgh, PA.,Magee-Womens Research Institute, Pittsburgh, PA.,Department of Human Genetics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA
| | - Aleksandar Rajkovic
- Department of Pathology, University of California San Francisco, San Francisco, CA.,Department of Obstetrics, Gynecology and Reproductive Sciences, University of California San Francisco, San Francisco, CA.,Institute of Human Genetics, University of California San Francisco, San Francisco, CA
| |
Collapse
|
37
|
Lutzmann M, Bernex F, da Costa de Jesus C, Hodroj D, Marty C, Plo I, Vainchenker W, Tosolini M, Forichon L, Bret C, Queille S, Marchive C, Hoffmann JS, Méchali M. MCM8- and MCM9 Deficiencies Cause Lifelong Increased Hematopoietic DNA Damage Driving p53-Dependent Myeloid Tumors. Cell Rep 2020; 28:2851-2865.e4. [PMID: 31509747 DOI: 10.1016/j.celrep.2019.07.095] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 06/26/2019] [Accepted: 07/24/2019] [Indexed: 01/04/2023] Open
Abstract
Hematopoiesis is particularly sensitive to DNA damage. Myeloid tumor incidence increases in patients with DNA repair defects and after chemotherapy. It is not known why hematopoietic cells are highly vulnerable to DNA damage. Addressing this question is complicated by the paucity of mouse models of hematopoietic malignancies due to defective DNA repair. We show that DNA repair-deficient Mcm8- and Mcm9-knockout mice develop myeloid tumors, phenocopying prevalent myelodysplastic syndromes. We demonstrate that these tumors are preceded by a lifelong DNA damage burden in bone marrow and that they acquire proliferative capacity by suppressing signaling of the tumor suppressor and cell cycle controller RB, as often seen in patients. Finally, we found that absence of MCM9 and the tumor suppressor Tp53 switches tumorigenesis to lymphoid tumors without precedent myeloid malignancy. Our results demonstrate that MCM8/9 deficiency drives myeloid tumor development and establishes a DNA damage burdened mouse model for hematopoietic malignancies.
Collapse
Affiliation(s)
- Malik Lutzmann
- Cancer Research Center of Toulouse, CRCT, 2, Avenue Hubert Curien, 31100 Toulouse, France; Institute of Human Genetics, UMR 9002, CNRS-University of Montpellier, 141, Rue de la Cardonille, 34396 Montpellier, France.
| | - Florence Bernex
- Histological Facility RHEM, IRCM, 208 Rue des Apothicaires, 34396 Montpellier, France
| | | | - Dana Hodroj
- Cancer Research Center of Toulouse, CRCT, 2, Avenue Hubert Curien, 31100 Toulouse, France
| | - Caroline Marty
- Histological Facility RHEM, IRCM, 208 Rue des Apothicaires, 34396 Montpellier, France
| | - Isabelle Plo
- Institut Gustave Roussy, INSERM, UMR 1170, Institut Gustave Roussy, Villejuif, France
| | - William Vainchenker
- Institut Gustave Roussy, INSERM, UMR 1170, Institut Gustave Roussy, Villejuif, France
| | - Marie Tosolini
- Cancer Research Center of Toulouse, CRCT, 2, Avenue Hubert Curien, 31100 Toulouse, France
| | - Luc Forichon
- Animal House Facility, BioCampus Montpellier, UMS3426 CNRS-US009 INSERM-UM, 141 Rue de la Cardonille, 34396 Montpellier, France
| | - Caroline Bret
- Department of Hematology, University Hospital St Eloi, 80 Ave Augustin Fliche, Montpellier, France
| | - Sophie Queille
- Cancer Research Center of Toulouse, CRCT, 2, Avenue Hubert Curien, 31100 Toulouse, France
| | - Candice Marchive
- Institute of Human Genetics, UMR 9002, CNRS-University of Montpellier, 141, Rue de la Cardonille, 34396 Montpellier, France
| | | | - Marcel Méchali
- Institute of Human Genetics, CNRS, DNA Replication and Genome Dynamics, 141, Rue de la Cardonille, 34396 Montpellier, France; Institute of Human Genetics, UMR 9002, CNRS-University of Montpellier, 141, Rue de la Cardonille, 34396 Montpellier, France.
| |
Collapse
|
38
|
Felipe-Medina N, Caburet S, Sánchez-Sáez F, Condezo YB, de Rooij DG, Gómez-H L, Garcia-Valiente R, Todeschini AL, Duque P, Sánchez-Martin MA, Shalev SA, Llano E, Veitia RA, Pendás AM. A missense in HSF2BP causing primary ovarian insufficiency affects meiotic recombination by its novel interactor C19ORF57/BRME1. eLife 2020; 9:e56996. [PMID: 32845237 PMCID: PMC7498267 DOI: 10.7554/elife.56996] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 08/26/2020] [Indexed: 12/17/2022] Open
Abstract
Primary Ovarian Insufficiency (POI) is a major cause of infertility, but its etiology remains poorly understood. Using whole-exome sequencing in a family with three cases of POI, we identified the candidate missense variant S167L in HSF2BP, an essential meiotic gene. Functional analysis of the HSF2BP-S167L variant in mouse showed that it behaves as a hypomorphic allele compared to a new loss-of-function (knock-out) mouse model. Hsf2bpS167L/S167L females show reduced fertility with smaller litter sizes. To obtain mechanistic insights, we identified C19ORF57/BRME1 as a strong interactor and stabilizer of HSF2BP and showed that the BRME1/HSF2BP protein complex co-immunoprecipitates with BRCA2, RAD51, RPA and PALB2. Meiocytes bearing the HSF2BP-S167L variant showed a strongly decreased staining of both HSF2BP and BRME1 at the recombination nodules and a reduced number of the foci formed by the recombinases RAD51/DMC1, thus leading to a lower frequency of crossovers. Our results provide insights into the molecular mechanism of HSF2BP-S167L in human ovarian insufficiency and sub(in)fertility.
Collapse
Affiliation(s)
- Natalia Felipe-Medina
- Molecular Mechanisms Program, Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer (CSIC-Universidad de Salamanca)SalamancaSpain
| | - Sandrine Caburet
- Université de ParisParis CedexFrance
- Institut Jacques Monod, Université de ParisParisFrance
| | - Fernando Sánchez-Sáez
- Molecular Mechanisms Program, Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer (CSIC-Universidad de Salamanca)SalamancaSpain
| | - Yazmine B Condezo
- Molecular Mechanisms Program, Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer (CSIC-Universidad de Salamanca)SalamancaSpain
| | - Dirk G de Rooij
- Reproductive Biology Group, Division of Developmental Biology, Department of Biology, Faculty of Science, Utrecht UniversityUtrechtNetherlands
| | - Laura Gómez-H
- Molecular Mechanisms Program, Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer (CSIC-Universidad de Salamanca)SalamancaSpain
| | - Rodrigo Garcia-Valiente
- Molecular Mechanisms Program, Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer (CSIC-Universidad de Salamanca)SalamancaSpain
| | - Anne Laure Todeschini
- Université de ParisParis CedexFrance
- Institut Jacques Monod, Université de ParisParisFrance
| | - Paloma Duque
- Molecular Mechanisms Program, Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer (CSIC-Universidad de Salamanca)SalamancaSpain
| | - Manuel Adolfo Sánchez-Martin
- Transgenic Facility, Nucleus platform, Universidad de SalamancaSalamancaSpain
- Departamento de Medicina, Universidad de SalamancaSalamancaSpain
| | - Stavit A Shalev
- The Genetic Institute, "Emek" Medical CenterAfulaIsrael
- Bruce and Ruth Rappaport Faculty of Medicine, TechnionHaifaIsrael
| | - Elena Llano
- Molecular Mechanisms Program, Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer (CSIC-Universidad de Salamanca)SalamancaSpain
- Departamento de Fisiología y Farmacología, Universidad de SalamancaSalamancaSpain
| | - Reiner A Veitia
- Université de ParisParis CedexFrance
- Institut Jacques Monod, Université de ParisParisFrance
- Université Paris-Saclay, Institut de Biologie F. Jacob, Commissariat à l’Energie AtomiqueFontenay aux RosesFrance
| | - Alberto M Pendás
- Molecular Mechanisms Program, Centro de Investigación del Cáncer and Instituto de Biología Molecular y Celular del Cáncer (CSIC-Universidad de Salamanca)SalamancaSpain
| |
Collapse
|
39
|
Wang F, Guo S, Li P. Two novel mutations in the MCM8 gene shared by two Chinese siblings with primary ovarian insufficiency and short stature. Mol Genet Genomic Med 2020; 8:e1396. [PMID: 32652893 PMCID: PMC7507566 DOI: 10.1002/mgg3.1396] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 06/02/2020] [Accepted: 06/08/2020] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Minichromosome maintenance complex component 8 (MCM8) is responsible for homologous recombination and DNA double-strand breaks (DSBs) repair and is the cause of primary ovarian insufficiency (POI), which is seldom diagnosed in adolescents and children. METHODS Whole-exome sequencing was performed in a 13-year-old girl, and Sanger sequencing was used to identify potentially pathogenic variants in her sister (aged 6 years and 7 months) and parents. To identify potential pathogenic mutations, DSBs were induced by mitomycin C (MMC), and the DNA repair capacity was evaluated by the histone H2AX phosphorylation level. RESULTS Two novel mutations of MCM8, i.e., c.724T>C (p.C242R) and c.1334C>A (p.S445*), were identified in a 13-year-old girl with POI who exhibited disappeared bilateral ovaries and short stature (height standard difference score [HtSDS] = -3.05), and her sister (aged 6 years and 7 months) with progressive POI whose ovary size decreased from normal to unclear and height growth gradually slowed. In the functional experiments, compared with the wild-type, HeLa cells overexpressing mutant p.C242R and p.S445* showed a higher sensitivity to MMC. Furthermore, the mutant p.S445* has a more deleterious effect on DNA damage repair. CONCLUSION Our results reveal that affected children with the novel pathogenetic mutations p.C242R and p.S445* in the MCM8 gene are characterized by POI, short stature, cancer susceptibility, and genomic instability.
Collapse
Affiliation(s)
- Fei Wang
- Department of Endocrinology, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Sheng Guo
- Department of Endocrinology, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Pin Li
- Department of Endocrinology, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China
| |
Collapse
|
40
|
Heddar A, Beckers D, Fouquet B, Roland D, Misrahi M. A Novel Phenotype Combining Primary Ovarian Insufficiency Growth Retardation and Pilomatricomas With MCM8 Mutation. J Clin Endocrinol Metab 2020; 105:5815316. [PMID: 32242235 DOI: 10.1210/clinem/dgaa155] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 04/01/2020] [Indexed: 11/19/2022]
Abstract
CONTEXT Primary Ovarian insufficiency (POI) affects 1% of women aged <40 years and leads most often to definitive infertility with adverse health outcomes. Very recently, genes involved in deoxyribonucleic acid (DNA) repair have been shown to cause POI. OBJECTIVE To identify the cause of a familial POI in a consanguineous Turkish family. DESIGN Exome sequencing was performed in the proposita and her mother. Chromosomal breaks were studied in lymphoblastoid cell lines treated with mitomycin (MMC). SETTING AND PATIENTS The proposita presented intrauterine and postnatal growth retardation, multiple pilomatricomas in childhood, and primary amenorrhea. She was treated with growth hormone (GH) from age 14 to 18 years. RESULTS We identified a novel nonsense variant in exon 9 of the minichromosome maintenance complex component 8 gene (MCM8) NM_001281522.1: c0.925C > T/p.R309* yielding either a truncated protein or nonsense-mediated messenger ribonucleic acid decay.The variant was homozygous in the daughter and heterozygous in the mother. MMC induced DNA breaks and aberrant metaphases in the patient's lymphoblastoid cells. The mother's cells had intermediate but significantly higher chromosomal breaks compared with a control. CONCLUSION We describe a novel phenotype of syndromic POI related to a novel truncating MCM8 variant. We show for the first time that spontaneous tumors (pilomatricomas) are associated with an MCM8 genetic defect, making the screening of this gene necessary before starting GH therapy in patients with POI with short stature, especially in a familial or consanguineous context. Appropriate familial monitoring in the long term is necessary, and fertility preservation should be considered in heterozygous siblings to avoid rapid follicular atresia.
Collapse
Affiliation(s)
- Abdelkader Heddar
- Universités Paris Sud, Paris Saclay, Faculté de Médecine; Unité de Génétique Moléculaire des Maladies Métaboliques et de la Reproduction, Hôpitaux Universitaires Paris-Sud, Hôpital Bicêtre AP-HP, Le Kremlin-Bicêtre, France
| | - Dominique Beckers
- Université catholique de Louvain, CHU UCL Namur, Pediatric Endocrinology, Yvoir, Belgium
| | - Baptiste Fouquet
- Universités Paris Sud, Paris Saclay, Faculté de Médecine; Unité de Génétique Moléculaire des Maladies Métaboliques et de la Reproduction, Hôpitaux Universitaires Paris-Sud, Hôpital Bicêtre AP-HP, Le Kremlin-Bicêtre, France
| | - Dominique Roland
- Centre de Génétique Humaine, Institut de Pathologie et de Génétique, Gosselies, Belgium
| | - Micheline Misrahi
- Universités Paris Sud, Paris Saclay, Faculté de Médecine; Unité de Génétique Moléculaire des Maladies Métaboliques et de la Reproduction, Hôpitaux Universitaires Paris-Sud, Hôpital Bicêtre AP-HP, Le Kremlin-Bicêtre, France
| |
Collapse
|
41
|
Veitia RA. Primary ovarian insufficiency, meiosis and DNA repair. Biomed J 2020; 43:115-123. [PMID: 32381463 PMCID: PMC7283561 DOI: 10.1016/j.bj.2020.03.005] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 03/02/2020] [Accepted: 03/03/2020] [Indexed: 02/06/2023] Open
Abstract
Premature ovarian insufficiency (POI) is a major cause of female infertility. It is a heterogeneous disease that affects about 1% of women under 40 years of age. POI may be due to abnormal follicle stock formation, increased follicular atresia, impaired recruitment of dominant follicles, blocked follicular maturation or rapid depletion of the follicular stock. It remains idiopathic in most cases but the existence of familial cases shows that it can have a genetic origin. Next generation sequencing (NGS) strategies have allowed the identification of new genes involved in the etiology of POI. Here, I briefly describe some studies demonstrating that pathogenic variants in ‘DNA repair and meiotic genes’ underlie POI. Some of the examples show the power of the combination of classical genetics and NGS in the discovery of novel ‘POI genes’.
Collapse
Affiliation(s)
- Reiner A Veitia
- Paris-Saclay University, Institute for Biology Francois Jacob, Atomic Energy Commissariat, Fontenay aux Roses, France; University of Paris, National Center for Scienftic Research (CNRS), Jacques Monod Institute, Paris, France.
| |
Collapse
|
42
|
Zhang YX, He WB, Xiao WJ, Meng LL, Tan C, Du J, Lu GX, Lin G, Tan YQ. Novel loss-of-function mutation in MCM8 causes premature ovarian insufficiency. Mol Genet Genomic Med 2020; 8:e1165. [PMID: 32048466 PMCID: PMC7196458 DOI: 10.1002/mgg3.1165] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 01/27/2020] [Indexed: 12/22/2022] Open
Abstract
Background Premature ovarian insufficiency (POI) is one major cause of female infertility, minichromosome maintenance complex component 8 (MCM8) has been reported to be responsible for POI. Methods Whole‐exome sequencing was performed to identify the genetic variants of women with POI. Sanger sequencing was used to validate the variants in all the family members. Various bioinformatic software was used for the pathogenicity assessment. Reverse transcription polymerase chain reaction (RT‐PCR), real‐time quantitative PCR, and a chromosomal instability study induced by mitomycin C were performed to analyze the functional effects of the variant. Results A novel homozygous frameshift mutation (NM_032485.4:c.351_354delAAAG) of MCM8 gene was identified in the patients, segregated with POI in this family. This mutation is predicted to produce truncated MCM8 protein and to be pathogenic. Reverse transcription polymerase chain reaction revealed that the frameshift mutation led to a remarkably reduced level of MCM8 transcript products, and chromosomal instability study showed that the ability of mutant MCM8 to repair DNA breaks was impaired. Conclusion We identified a novel homozygous frameshift mutation in the MCM8 gene in two affected sisters with POI, and functional analysis revealed that this mutation is pathogenic. Our findings enrich the MCM8 mutation spectrum and might help clinicians to make a precise diagnosis, thereby allowing better family planning and genetic counseling.
Collapse
Affiliation(s)
- Ya-Xin Zhang
- Institute of Reproduction and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, Hunan, PR China
| | - Wen-Bin He
- Institute of Reproduction and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, Hunan, PR China.,Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, Hunan, PR China
| | - Wen-Juan Xiao
- Institute of Reproduction and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, Hunan, PR China
| | - Lan-Lan Meng
- Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, Hunan, PR China
| | - Chen Tan
- Institute of Reproduction and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, Hunan, PR China
| | - Juan Du
- Institute of Reproduction and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, Hunan, PR China.,Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, Hunan, PR China
| | - Guang-Xiu Lu
- Institute of Reproduction and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, Hunan, PR China.,Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, Hunan, PR China
| | - Ge Lin
- Institute of Reproduction and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, Hunan, PR China.,Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, Hunan, PR China
| | - Yue-Qiu Tan
- Institute of Reproduction and Stem Cell Engineering, School of Basic Medical Science, Central South University, Changsha, Hunan, PR China.,Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, Hunan, PR China
| |
Collapse
|
43
|
Cerván-Martín M, Castilla JA, Palomino-Morales RJ, Carmona FD. Genetic Landscape of Nonobstructive Azoospermia and New Perspectives for the Clinic. J Clin Med 2020; 9:jcm9020300. [PMID: 31973052 PMCID: PMC7074441 DOI: 10.3390/jcm9020300] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 01/15/2020] [Accepted: 01/16/2020] [Indexed: 02/07/2023] Open
Abstract
Nonobstructive azoospermia (NOA) represents the most severe expression of male infertility, involving around 1% of the male population and 10% of infertile men. This condition is characterised by the inability of the testis to produce sperm cells, and it is considered to have an important genetic component. During the last two decades, different genetic anomalies, including microdeletions of the Y chromosome, karyotype defects, and missense mutations in genes involved in the reproductive function, have been described as the primary cause of NOA in many infertile men. However, these alterations only explain around 25% of azoospermic cases, with the remaining patients showing an idiopathic origin. Recent studies clearly suggest that the so-called idiopathic NOA has a complex aetiology with a polygenic inheritance, which may alter the spermatogenic process. Although we are far from a complete understanding of the molecular mechanisms underlying NOA, the use of the new technologies for genetic analysis has enabled a considerable increase in knowledge during the last years. In this review, we will provide a comprehensive and updated overview of the genetic basis of NOA, with a special focus on the possible application of the recent insights in clinical practice.
Collapse
Affiliation(s)
- Miriam Cerván-Martín
- Departamento de Genética e Instituto de Biotecnología, Universidad de Granada, Centro de Investigación Biomédica (CIBM), Parque Tecnológico Ciencias de la Salud, Av. del Conocimiento, s/n, 18016 Granada, Spain;
- Instituto de Investigación Biosanitaria ibs.GRANADA, Av. de Madrid, 15, Pabellón de Consultas Externas 2, 2ª Planta, 18012 Granada, Spain; (J.A.C.); (R.J.P.-M.)
| | - José A. Castilla
- Instituto de Investigación Biosanitaria ibs.GRANADA, Av. de Madrid, 15, Pabellón de Consultas Externas 2, 2ª Planta, 18012 Granada, Spain; (J.A.C.); (R.J.P.-M.)
- Unidad de Reproducción, UGC Obstetricia y Ginecología, HU Virgen de las Nieves, Av. de las Fuerzas Armadas 2, 18014 Granada, Spain
- CEIFER Biobanco—NextClinics, Calle Maestro Bretón 1, 18004 Granada, Spain
| | - Rogelio J. Palomino-Morales
- Instituto de Investigación Biosanitaria ibs.GRANADA, Av. de Madrid, 15, Pabellón de Consultas Externas 2, 2ª Planta, 18012 Granada, Spain; (J.A.C.); (R.J.P.-M.)
- Departamento de Bioquímica y Biología Molecular I, Universidad de Granada, Facultad de Ciencias, Av. de Fuente Nueva s/n, 18071 Granada, Spain
| | - F. David Carmona
- Departamento de Genética e Instituto de Biotecnología, Universidad de Granada, Centro de Investigación Biomédica (CIBM), Parque Tecnológico Ciencias de la Salud, Av. del Conocimiento, s/n, 18016 Granada, Spain;
- Instituto de Investigación Biosanitaria ibs.GRANADA, Av. de Madrid, 15, Pabellón de Consultas Externas 2, 2ª Planta, 18012 Granada, Spain; (J.A.C.); (R.J.P.-M.)
- Correspondence: ; Tel.: +34-958-241-000 (ext 20170)
| |
Collapse
|
44
|
Kasak L, Laan M. Monogenic causes of non-obstructive azoospermia: challenges, established knowledge, limitations and perspectives. Hum Genet 2020; 140:135-154. [DOI: 10.1007/s00439-020-02112-y] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 01/05/2020] [Indexed: 02/07/2023]
|
45
|
Zhe J, Ye D, Chen X, Liu Y, Zhou X, Li Y, Zhang J, Chen S. Consanguineous Chinese Familial Study Reveals that a Gross Deletion that Includes the SYCE1 Gene Region Is Associated with Premature Ovarian Insufficiency. Reprod Sci 2020; 27:461-467. [PMID: 31925770 DOI: 10.1007/s43032-019-00037-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Accepted: 07/07/2019] [Indexed: 01/25/2023]
Abstract
Premature ovarian insufficiency (POI) is a highly heterogeneous ovarian disorder. Genetic factors account for the cause of POI. We aimed to analyze the genetic alterations in two affected sisters diagnosed with POI and their parents from a highly consanguineous Chinese Han family. Whole-exome sequencing was performed, and bioinformatics analysis was used to determine the potential genetic cause of POI in this family. A SYCE1 deletion was verified by Sanger sequencing. A homozygous deletion in SYCE1 was harbored by the proband and her affected sister, whereas both parents had heterozygous deletions. There were distinct differences in the amino acid sequences between wild-type and SYCE1 deletion. Domain analysis and 3D structural analysis of the SYCE1 deletion was also performed to evaluate the potential impact and pathogenicity of POI. The SYCE1 domain structure was truncated. Additionally, the 3D structure showed that the SYCE1 deletion changed the shape of the protein compared with that of wild-type SYCE1. This study revealed a novel SYCE1 deletion. This SYCE1 deletion may be the cause of POI. Genetic counseling for POI is helpful for researchers and clinicians to identify the mode of genetic inheritance for SYCE1 deletion in POI pathology.
Collapse
Affiliation(s)
- Jing Zhe
- Center for Reproductive Medicine, Department of Gynecology and Obstetrics, Nanfang Hospital, Southern Medical University, 1838 Northern Guangzhou Avenue, Guangzhou, 510515, People's Republic of China
| | - Desheng Ye
- Center for Reproductive Medicine, Department of Gynecology and Obstetrics, Nanfang Hospital, Southern Medical University, 1838 Northern Guangzhou Avenue, Guangzhou, 510515, People's Republic of China
| | - Xin Chen
- Center for Reproductive Medicine, Department of Gynecology and Obstetrics, Nanfang Hospital, Southern Medical University, 1838 Northern Guangzhou Avenue, Guangzhou, 510515, People's Republic of China
| | - Yudong Liu
- Center for Reproductive Medicine, Department of Gynecology and Obstetrics, Nanfang Hospital, Southern Medical University, 1838 Northern Guangzhou Avenue, Guangzhou, 510515, People's Republic of China
| | - Xingyu Zhou
- Center for Reproductive Medicine, Department of Gynecology and Obstetrics, Nanfang Hospital, Southern Medical University, 1838 Northern Guangzhou Avenue, Guangzhou, 510515, People's Republic of China
| | - Ying Li
- Center for Reproductive Medicine, Department of Gynecology and Obstetrics, Nanfang Hospital, Southern Medical University, 1838 Northern Guangzhou Avenue, Guangzhou, 510515, People's Republic of China
| | - Jun Zhang
- Center for Reproductive Medicine, Department of Gynecology and Obstetrics, Nanfang Hospital, Southern Medical University, 1838 Northern Guangzhou Avenue, Guangzhou, 510515, People's Republic of China
| | - Shiling Chen
- Center for Reproductive Medicine, Department of Gynecology and Obstetrics, Nanfang Hospital, Southern Medical University, 1838 Northern Guangzhou Avenue, Guangzhou, 510515, People's Republic of China.
| |
Collapse
|
46
|
Wen L, Liu Q, Xu J, Liu X, Shi C, Yang Z, Zhang Y, Xu H, Liu J, Yang H, Huang H, Qiao J, Tang F, Chen ZJ. Recent advances in mammalian reproductive biology. SCIENCE CHINA. LIFE SCIENCES 2020; 63:18-58. [PMID: 31813094 DOI: 10.1007/s11427-019-1572-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 10/22/2019] [Indexed: 01/05/2023]
Abstract
Reproductive biology is a uniquely important topic since it is about germ cells, which are central for transmitting genetic information from generation to generation. In this review, we discuss recent advances in mammalian germ cell development, including preimplantation development, fetal germ cell development and postnatal development of oocytes and sperm. We also discuss the etiologies of female and male infertility and describe the emerging technologies for studying reproductive biology such as gene editing and single-cell technologies.
Collapse
Affiliation(s)
- Lu Wen
- Beijing Advanced Innovation Center for Genomics, Department of Obstetrics and Gynecology Third Hospital, College of Life Sciences, Peking University, Beijing, 100871, China
| | - Qiang Liu
- Beijing Advanced Innovation Center for Genomics, Department of Obstetrics and Gynecology Third Hospital, College of Life Sciences, Peking University, Beijing, 100871, China
| | - Jingjing Xu
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, 200030, China
| | - Xixi Liu
- Beijing Advanced Innovation Center for Genomics, Department of Obstetrics and Gynecology Third Hospital, College of Life Sciences, Peking University, Beijing, 100871, China
| | - Chaoyi Shi
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, 200030, China
| | - Zuwei Yang
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, 200030, China
| | - Yili Zhang
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, 200030, China
| | - Hong Xu
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, 200030, China
| | - Jiang Liu
- CAS Key Laboratory of Genome Sciences and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing, 100101, China.
| | - Hui Yang
- Institute of Neuroscience, State Key Laboratory of Neuroscience, Key Laboratory of Primate Neurobiology, CAS Center for Excellence in Brain Science and Intelligence Technology, Shanghai Research Center for Brain Science and Brain-Inspired Intelligence, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, 200031, China.
| | - Hefeng Huang
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, 200030, China.
| | - Jie Qiao
- Beijing Advanced Innovation Center for Genomics, Department of Obstetrics and Gynecology Third Hospital, College of Life Sciences, Peking University, Beijing, 100871, China.
| | - Fuchou Tang
- Beijing Advanced Innovation Center for Genomics, Department of Obstetrics and Gynecology Third Hospital, College of Life Sciences, Peking University, Beijing, 100871, China.
| | - Zi-Jiang Chen
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Jinan, 250021, China.
| |
Collapse
|
47
|
Ratnakumar A, Zimmerman SE, Jordan BA, Mar JC. Estrogen activates Alzheimer's disease genes. ALZHEIMERS & DEMENTIA-TRANSLATIONAL RESEARCH & CLINICAL INTERVENTIONS 2019; 5:906-917. [PMID: 31890855 PMCID: PMC6926344 DOI: 10.1016/j.trci.2019.09.004] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Introduction Women are at increased risk for Alzheimer's disease (AD), but the reason why remains unknown. One hypothesis is that low estrogen levels at menopause increases vulnerability to AD, but this remains unproven. Methods We compared neuronal genes upregulated by estrogen in ovariectomized female rhesus macaques with a database of >17,000 diverse gene sets and applied a rare variant burden test to exome sequencing data from 1208 female AD patients with the age of onset < 75 years and 2162 female AD controls. Results We found a striking overlap between genes upregulated by estrogen in macaques and genes downregulated in the human postmortem AD brain, and we found that estrogen upregulates the APOE gene and that progesterone acts antagonistically to estrogen genome-wide. We also found that female patients with AD have excess rare mutations in the early menopause gene MCM8. Discussion We show with genomic data that the menopausal loss of estrogen could underlie the increased risk for AD in women.
Collapse
Affiliation(s)
- Abhirami Ratnakumar
- Department of Systems and Computational Biology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Samuel E Zimmerman
- Department of Systems and Computational Biology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Bryen A Jordan
- Dominick P. Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, NY, USA.,Department of Psychiatry and Behavioral Sciences, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Jessica C Mar
- Department of Systems and Computational Biology, Albert Einstein College of Medicine, Bronx, NY, USA.,Australian Institute for Bioengineering and Nanotechnology, University of Queensland, St Lucia, Australia
| |
Collapse
|
48
|
Schilit SLP. Recent advances and future opportunities to diagnose male infertility. CURRENT SEXUAL HEALTH REPORTS 2019; 11:331-341. [PMID: 31853232 PMCID: PMC6919557 DOI: 10.1007/s11930-019-00225-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
PURPOSE OF REVIEW Infertility affects 10-15% of couples, making it one of the most frequent health disorders for individuals of reproductive age. The state of childlessness and efforts to restore fertility cause substantial emotional, social, and financial stress on couples. Male factors contribute to about half of all infertility cases, and yet are understudied relative to female factors. The result is that the majority of men with infertility lack specific causal diagnoses, which serves as a missed opportunity to inform therapies for these couples. RECENT FINDINGS In this review, we describe current standards for diagnosing male infertility and the various interventions offered to men in response to differential diagnoses. We then discuss recent advances in the field of genetics to identify novel etiologies for formerly unexplained infertility. SUMMARY With a specific genetic diagnosis, male factors can be addressed with appropriate reproductive counseling and with potential access to assisted reproductive technologies to improve chances of a healthy pregnancy.
Collapse
Affiliation(s)
- Samantha L. P. Schilit
- Biological and Biomedical Sciences Program, Graduate School
of Arts and Sciences, Harvard University, Cambridge, MA, USA
- Program in Genetics and Genomics, Department of Genetics,
Harvard Medical School, Boston, MA, USA
- Leder Human Biology and Translational Medicine Program,
Division of Medical Sciences, Harvard Medical School, Boston, MA, USA
- Harvard Medical School Genetics Training Program, Harvard
Medical School, Boston, MA, USA
| |
Collapse
|
49
|
Liang QX, Wang ZB, Lei WL, Lin F, Qiao JY, Filhol-Cochet O, Boldyreff B, Schatten H, Sun QY, Qian WP. Deletion of Ck2β gene causes germ cell development arrest and azoospermia in male mice. Cell Prolif 2019; 53:e12726. [PMID: 31755150 PMCID: PMC6985669 DOI: 10.1111/cpr.12726] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 10/29/2019] [Accepted: 10/30/2019] [Indexed: 12/28/2022] Open
Abstract
Objectives In humans, non‐obstructive azoospermia (NOA) is a major cause of male infertility. However, the aetiology of NOA is largely unknown. Previous studies reported that protein CK2β was abundantly and broadly expressed in spermatogenic cells. Here, we investigate whether protein CK2β participates in spermatogenesis. Materials and Methods In this study, we separated spermatogenic cells using STA‐PUT velocity sedimentation, analysed the expression pattern of protein CK2β by immunoblotting, specifically deleted Ck2β gene in early‐stage spermatogenic cells by crossing Ck2βfl mice with Stra8‐Cre+ mice and validated the knockout efficiency by quantitative RT‐PCR and immunoblotting. The phenotypes of Ck2βfl/Δ;SCre+ mice were studied by immunohistochemistry and immunofluorescence. The molecular mechanisms of male germ cell development arrest were elucidated by immunoblotting and TUNEL assay. Results Ablation of Ck2β gene triggered excessive germ cell apoptosis, germ cell development arrest, azoospermia and male infertility. Inactivation of Ck2β gene caused distinctly reduced expression of Ck2α′ gene and CK2α′ protein. Conclusions Ck2β is a vital gene for germ cell survival and male fertility in mice.
Collapse
Affiliation(s)
- Qiu-Xia Liang
- Department of Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China.,State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Zhen-Bo Wang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Wen-Long Lei
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Fei Lin
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,Center for Reproductive Medicine, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Jing-Yi Qiao
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Odile Filhol-Cochet
- INSERM U1036, Institute de Recherches en Technologies et Sciences pour le Vivant/Biologie du Cancer et de l'Infection, Commissariat à l'Énergie Atomique et aux Énergies Alternatives Grenoble, Grenoble, France
| | | | - Heide Schatten
- Department of Veterinary Pathobiology, University of Missouri, Columbia, Missouri
| | - Qing-Yuan Sun
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Wei-Ping Qian
- Department of Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen, Guangdong, China
| |
Collapse
|
50
|
Xiao WJ, He WB, Zhang YX, Meng LL, Lu GX, Lin G, Tan YQ, Du J. In-Frame Variants in STAG3 Gene Cause Premature Ovarian Insufficiency. Front Genet 2019; 10:1016. [PMID: 31803224 PMCID: PMC6868891 DOI: 10.3389/fgene.2019.01016] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 09/24/2019] [Indexed: 12/17/2022] Open
Abstract
Premature ovarian insufficiency (POI) is a severe clinical syndrome defined by ovarian dysfunction in women less than 40 years old who generally manifest with infertility, menstrual disturbance, elevated gonadotrophins, and low estradiol levels. STAG3 is considered a genetic aetiology of POI, which facilitates entry of REC8 into the nucleus of a cell and plays an essential role in gametogenesis. At present, only six truncated variants associated with POI have been reported; there have been no reports of an in-frame variant of STAG3 causing POI. In this study, two novel homozygous in-frame variants (c.877_885del, p.293_295del; c.891_893dupTGA, p.297_298insAsp) in STAG3 were identified in two sisters with POI from a five-generation consanguineous Han Chinese family. To evaluate the effects of these two variants, we performed fluorescence localization and co-immunoprecipitation analyses using in vitro cell model. The two variants were shown to be pathogenic, as neither STAG3 nor REC8 entered nuclei, and interactions between mutant STAG3 and REC8 or SMC1A were absent. To the best of our knowledge, this is the first report on in-frame variants of STAG3 that cause POI. This finding extends the spectrum of variants in STAG3 and sheds new light on the genetic origins of POI.
Collapse
Affiliation(s)
- Wen-Juan Xiao
- Institute of Reproduction and Stem Cell Engineering, Central South University, Changsha, China
| | - Wen-Bin He
- Institute of Reproduction and Stem Cell Engineering, Central South University, Changsha, China.,Genetic Center, Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, China.,NHC Key Laboratory of Human Stem Cell and Reproductive Engineering, Central South University, Changsha, China
| | - Ya-Xin Zhang
- Institute of Reproduction and Stem Cell Engineering, Central South University, Changsha, China
| | - Lan-Lan Meng
- Genetic Center, Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, China.,NHC Key Laboratory of Human Stem Cell and Reproductive Engineering, Central South University, Changsha, China
| | - Guang-Xiu Lu
- Institute of Reproduction and Stem Cell Engineering, Central South University, Changsha, China.,Genetic Center, Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, China.,NHC Key Laboratory of Human Stem Cell and Reproductive Engineering, Central South University, Changsha, China
| | - Ge Lin
- Institute of Reproduction and Stem Cell Engineering, Central South University, Changsha, China.,Genetic Center, Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, China.,NHC Key Laboratory of Human Stem Cell and Reproductive Engineering, Central South University, Changsha, China
| | - Yue-Qiu Tan
- Institute of Reproduction and Stem Cell Engineering, Central South University, Changsha, China.,Genetic Center, Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, China.,NHC Key Laboratory of Human Stem Cell and Reproductive Engineering, Central South University, Changsha, China
| | - Juan Du
- Institute of Reproduction and Stem Cell Engineering, Central South University, Changsha, China.,Genetic Center, Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, China.,NHC Key Laboratory of Human Stem Cell and Reproductive Engineering, Central South University, Changsha, China
| |
Collapse
|