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Priya, Kumar A, Ali M, Srivastava A, Kumar R, Ghosh AK. Endosulfan induces reproductive & genotoxic effect in male and female Swiss albino mice. Lab Anim Res 2024; 40:22. [PMID: 38773665 PMCID: PMC11110251 DOI: 10.1186/s42826-024-00208-4] [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: 04/12/2023] [Revised: 05/02/2024] [Accepted: 05/07/2024] [Indexed: 05/24/2024] Open
Abstract
BACKGROUND Toxicity by pesticide has become a global health issue and leaves a harmful impact on human health via various ways. The people exposed to pesticides in the rural population get affected by the harmful effects of it as they enter the human body system through skin, inhalation, oral administration, food chain and many more ways. The present work is designed to study the toxic effect of endosulfan in male (n=30) and female (n=30) Swiss albino mice. Endosulfan was administered by oral gavage (oral administration) method, at the dose of 3.5 mg/Kg body weight daily for period of 3 weeks, 5 weeks and 7 weeks. After the completion of the treatment, the mice were sacrificed and their ovary and testis tissues were dissected out to check the degeneration. The blood was collected for karyotyping, biochemical and hormonal analysis of pesticide induced genotoxicity. After 7 weeks of administration with Endosulfan, various abnormalities were observed in male and female mice. RESULTS Treatment with endosulfan at the dose of 3.5 mg/Kg body weight caused a higher degree of degeneration in the reproductive organ of Swiss albino mice . Treatment by this pesticide generated degeneration in long duration of dosage for 3,5 and 7 weeks. Ovaries of endosulfan administered groups showed degenerated germinal epithelium, Graffian follicles and corpus luteum. In testis of endosulfan treated mice, microscopic examination showed that there is significant damage and reduction in the tissue of seminiferous tubules and primordial germ cells. High degree of degeneration caused the disarrangement and deformation of spermatogonia with the decrease in the number of Sertoli cells. Biochemical and hormonal properties was also affected by endosulfan treatment. There was significant 5 folds decrease in the testosterone value of endosulfan in 7 weeks treated mice in comparison to control (p < 0.0001) and similarly there was significant elevation in the estrogen levels found in 7th week endosulfan treated mice. It also influenced the level of free radicals as there was significant decrease (p < 0.0001) in the value in catalase levels in 7 weeks endosulfan treated male and female mice, while significant (p < 0.0001) increase in the values of lipid peroxidation levels as 8 folds and 10 folds in 7 weeks endosulfan treated male and female Swiss albino mice respectively. This study hence speculates that the endosulfan exposed population are at the risk of reproductive health hazards. CONCLUSIONS The present study thus concludes that, endosulfan after 7 weeks of exposure caused significant reproductive damage to both male and female Swiss albino mice groups. Moreover, the karyotyping study also correlated the genotoxic damage in the mice.
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Affiliation(s)
- Priya
- Mahavir Cancer Sansthan and Research Centre, Patna, Bihar, 801505, India
| | - Arun Kumar
- Mahavir Cancer Sansthan and Research Centre, Patna, Bihar, 801505, India.
| | - Mohammad Ali
- Mahavir Cancer Sansthan and Research Centre, Patna, Bihar, 801505, India
| | - Abhinav Srivastava
- Mahavir Cancer Sansthan and Research Centre, Patna, Bihar, 801505, India
| | | | - Ashok Kumar Ghosh
- Mahavir Cancer Sansthan and Research Centre, Patna, Bihar, 801505, India
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Adriano MRG, Bortolai A, Madia FAR, da Silva Carvalho GF, Nascimento AM, Zanardo EA, Wolff BM, Waisberg J, Bos-Mikich A, Kulikowski LD, Dias AT. Cytogenetics investigation in 151 Brazilian infertile male patients and genomic analysis in selected cases: experience of 14 years in a public genetic service. BMC Res Notes 2024; 17:67. [PMID: 38444014 PMCID: PMC10916190 DOI: 10.1186/s13104-024-06710-1] [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: 09/01/2023] [Accepted: 01/31/2024] [Indexed: 03/07/2024] Open
Abstract
OBJECTIVES Male infertility accounts for approximately 30% of cases of reproductive failure. The characterization of genetic variants using cytogenomic techniques is essential for the adequate clinical management of these patients. We aimed to conduct a cytogenetic investigation of numerical and structural rearrangements and a genomic study of Y chromosome microdeletions/microduplications in infertile men derived from a single centre with over 14 years of experience. RESULTS We evaluated 151 infertile men in a transversal study using peripheral blood karyotypes and 15 patients with normal karyotypes through genomic investigation by multiplex ligation-dependent probe amplification (MLPA) or polymerase chain reaction of sequence-tagged sites (PCR-STS) techniques. Out of the 151 patients evaluated by karyotype, 13 presented chromosomal abnormalities: two had numerical alterations, and 11 had structural chromosomal rearrangements. PCR-STS detected a BPY2 gene region and RBMY2DP pseudogene region microdeletion in one patient. MLPA analysis allowed the identification of one patient with CDY2B_1 and CDY2B_2 probe duplications (CDY2B and NLGN4Y genes) and one patient with BPY2_1, BPY2_2, and BPY2_4 probe duplications (PRY and RBMY1J genes).
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Affiliation(s)
- Márcia Regina Gimenes Adriano
- Laboratório de Citogenética, Serviço de Laboratório de Análises Clínicas, Instituto de Assistência Médica do Servidor Público do Estado de São Paulo (IAMSPE), São Paulo, SP, 04039-901, Brasil.
| | - Adriana Bortolai
- Laboratório de Citogenética, Serviço de Laboratório de Análises Clínicas, Instituto de Assistência Médica do Servidor Público do Estado de São Paulo (IAMSPE), São Paulo, SP, 04039-901, Brasil
| | - Fabricia Andreia Rosa Madia
- Laboratório de Citogenômica, Departamento de Patologia, Faculdade de Medicina da Universidade de São Paulo (FMUSP), São Paulo, SP, 05403-000, Brasil
| | - Gleyson Francisco da Silva Carvalho
- Laboratório de Citogenômica, Departamento de Patologia, Faculdade de Medicina da Universidade de São Paulo (FMUSP), São Paulo, SP, 05403-000, Brasil
| | - Amom Mendes Nascimento
- Laboratório de Citogenômica, Departamento de Patologia, Faculdade de Medicina da Universidade de São Paulo (FMUSP), São Paulo, SP, 05403-000, Brasil
| | - Evelin Aline Zanardo
- Laboratório de Citogenômica, Departamento de Patologia, Faculdade de Medicina da Universidade de São Paulo (FMUSP), São Paulo, SP, 05403-000, Brasil
| | - Beatriz Martins Wolff
- Laboratório de Citogenômica, Departamento de Patologia, Faculdade de Medicina da Universidade de São Paulo (FMUSP), São Paulo, SP, 05403-000, Brasil
| | - Jaques Waisberg
- Laboratório de Citogenética, Serviço de Laboratório de Análises Clínicas, Instituto de Assistência Médica do Servidor Público do Estado de São Paulo (IAMSPE), São Paulo, SP, 04039-901, Brasil
| | - Adriana Bos-Mikich
- Departamento de Ciências Morfológicas, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, 90050-170, Brasil
| | - Leslie Domenici Kulikowski
- Laboratório de Citogenômica, Departamento de Patologia, Faculdade de Medicina da Universidade de São Paulo (FMUSP), São Paulo, SP, 05403-000, Brasil
| | - Alexandre Torchio Dias
- Laboratório de Citogenética, Serviço de Laboratório de Análises Clínicas, Instituto de Assistência Médica do Servidor Público do Estado de São Paulo (IAMSPE), São Paulo, SP, 04039-901, Brasil
- Laboratório de Citogenômica, Departamento de Patologia, Faculdade de Medicina da Universidade de São Paulo (FMUSP), São Paulo, SP, 05403-000, Brasil
- Universidade Paulista - UNIP - Instituto de Ciências da Saúde - Curso de Biomedicina, São Paulo, Brasil
- CITOGEM Biotecnologia, São Paulo, Brasil
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Damdinsuren E, Naidansuren P, Gochoo M, Choi BC, Choi MY, Baldandorj B. Prevalence of Y chromosome microdeletions among infertile Mongolian men. Clin Exp Reprod Med 2022; 49:101-109. [PMID: 35698772 PMCID: PMC9184878 DOI: 10.5653/cerm.2021.05099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 01/06/2022] [Indexed: 11/06/2022] Open
Abstract
Y chromosome microdeletions are the second most common genetic cause of male infertility after Klinefelter syndrome. The aim of this study was to determine the patterns of Y chromosome microdeletions among infertile Mongolian men. A descriptive study was performed on 75 infertile men from February 2017 to December 2018. Y chromosome microdeletions were identified by polymerase chain reaction. Semen parameters, hormonal levels, and testis biopsy samples were examined. Among 75 infertile men, two cases of Y chromosome microdeletions were identified. The first case had an AZFa complete deletion and the other had an AZFc partial deletion. This study found that the proportion of Y chromosome microdeletions among infertile Mongolian men was 2.66%. The findings can be applied to in vitro fertilization and assisted reproductive technology, and our results will help clinicians improve treatment management for infertile Mongolian couples.
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Affiliation(s)
- Erdenesuvd Damdinsuren
- Department of Obstetrics and Gynecology, Mongolian National University of Medical Sciences School of Medicine, Ulaanbaatar, Mongolia
- Mon-CL Fertility Center, Ulaanbaatar, Mongolia
| | | | - Mendsaikhan Gochoo
- Department of Obstetrics and Gynecology, Mongolian National University of Medical Sciences School of Medicine, Ulaanbaatar, Mongolia
| | - Bum-Chae Choi
- Mon-CL Fertility Center, Ulaanbaatar, Mongolia
- Center for Recurrent Miscarriage and Infertility, Creation and Love Women’s Hospital, Kwangju, Republic of Korea
| | - Min-Youp Choi
- Center for Recurrent Miscarriage and Infertility, Creation and Love Women’s Hospital, Kwangju, Republic of Korea
| | - Bolorchimeg Baldandorj
- Department of Obstetrics and Gynecology, Mongolian National University of Medical Sciences School of Medicine, Ulaanbaatar, Mongolia
- Corresponding author: Bolorchimeg Baldandorj Department of Obstetrics and Gynecology, Mongolian National University of Medical Sciences School of Medicine, Zorig St., Ulaanbaatar-14210, Mongolia Tel: +976-95110525 Fax: +976-11344702 E-mail:
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Katagiri Y, Tamaki Y. Genetic counseling prior to assisted reproductive technology. Reprod Med Biol 2021; 20:133-143. [PMID: 33850446 PMCID: PMC8022097 DOI: 10.1002/rmb2.12361] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 11/30/2020] [Accepted: 12/04/2020] [Indexed: 11/11/2022] Open
Abstract
BACKGROUND Reproductive medicine deals with fertility and is closely related to heredity. In reproductive medicine, it is necessary to provide genetic information for the patients prior to assisted reproductive technology (ART). Japan Society for Reproductive Medicine (JSRM) requires doctors involved in reproductive medicine to have standard knowledge of reproductive genetics and knowledge of reproductive medicine, which is covered in their publication, "required knowledge of reproductive medicine." METHODS With the aim of providing straightforward explanations to patients in the clinical situation at pre-ART counseling, we provide the following five topics, such as (a) risk of birth defects in children born with ART, (b) chromosomal abnormalities, (c) Y chromosome microdeletions (YCMs), (d) possible chromosomal abnormal pregnancy in oligospermatozoa requiring ICSI (intracytoplasmic sperm injection), and (e) epigenetic alterations. MAIN FINDINGS The frequency of chromosome abnormalities in infertile patients is 0.595%-0.64%. YCMs are observed in 2%-10% of severe oligospermic men. High incidence of spermatozoa with chromosomal abnormalities has been reported in advanced oligospermia and asthenozoospermia that require ICSI. Some epigenetic alterations were reported in the children born with ART. CONCLUSION Certain genetic knowledge is important for professionals involved in reproductive medicine, even if they are not genetic experts.
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Affiliation(s)
- Yukiko Katagiri
- Department of Obstetrics and GynecologyFaculty of MedicineToho UniversityTokyoJapan
- Division of Clinical GeneticsToho University Omori Medical CenterTokyoJapan
- Reproduction CenterToho University Omori Medical CenterTokyoJapan
| | - Yuko Tamaki
- Department of Obstetrics and GynecologyFaculty of MedicineToho UniversityTokyoJapan
- Division of Clinical GeneticsToho University Omori Medical CenterTokyoJapan
- Reproduction CenterToho University Omori Medical CenterTokyoJapan
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Wu YH, Sun KN, Bao H, Chen YJ. SRY-negative 45,X/46,XY adult male with complete masculinization and infertility: A case report and review of literature. World J Clin Cases 2020; 8:6380-6388. [PMID: 33392321 PMCID: PMC7760426 DOI: 10.12998/wjcc.v8.i24.6380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 09/28/2020] [Accepted: 10/13/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND 45,X/46,XY mosaicism is a rare chromosomal abnormality with a wide range of phenotypes in both males and females, from normal individuals with different degrees of genital ambiguity to those who show signs of Turner’s syndrome. More rarely, cases of 45,X/46,XY mosaicism with a normal-appearing male phenotype are not found until a chromosome test is performed to investigate the cause of male infertility.
CASE SUMMARY In this study, a 29-year-old male patient with complete azoospermia is reported. Chromosomal analyses of his lymphocytes revealed the karyotype 45,X[93%]/46,X,+mar(Y)[7%]. In addition, Y chromosome-specific markers, such as SRY, ZFY, AZFa, AZFb and AZFc, were not observed in his blood DNA according to multiplex polymerase chain reaction test. A literature review identified several 45,X/46,XY cases with a normal-appearing male phenotype, most of whom were diagnosed during infertility investigation. However, the present case is the first SRY-negative 45,X/46,XY male case diagnosed during a premarital medical examination.
CONCLUSION This finding further suggests that sex determination is a complex process regulated by multiple genetic and environmental factors.
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Affiliation(s)
- Yan-Hua Wu
- Department of Laboratory Medicine, The 960th Hospital of The PLA Joint Logistics Support Force, Jinan 250031, Shandong Province, China
| | - Ke-Na Sun
- Department of Medical Laboratory, Weifang Medical University, Weifang 261053, Shandong Province, China
| | - Hui Bao
- Department of Laboratory Medicine, The 960th Hospital of The PLA Joint Logistics Support Force, Jinan 250031, Shandong Province, China
| | - Ying-Jian Chen
- Department of Laboratory Medicine, The 960th Hospital of The PLA Joint Logistics Support Force, Jinan 250031, Shandong Province, China
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Deng S, Zhang H, Liu X, Yue F, Jiang Y, Li S, Liu R, Xi Q. Cytogenetic and molecular detection of a rare unbalanced Y;3 translocation in an infertile male: A case report. Medicine (Baltimore) 2020; 99:e20863. [PMID: 32590788 PMCID: PMC7328960 DOI: 10.1097/md.0000000000020863] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
INTRODUCTION The infertile male individuals carrying the Y-autosome translocations are seldom reported in clinic. Herein, we described a severe oligozoospermic male with rare unbalanced Y;3 translocation transmitted through 3 generations. PATIENT CONCERNS A 33-year-old Chinese male was referred for infertility consultation in our center after 10 years' primary infertility. He was diagnosed as severe oligozoospermia according to the semen analysis. DIAGNOSIS G-banding analysis initially described the karyotype as 46, XY, add (3) (p26) for the patient, and his wife's karyotype was 46, XX. The chromosomal microarray analysis identified 3.81Mb and 0.29Mb duplications in Yq11.223q11.23 and Yq12, separately. No deletions were detected in azoospermia factors (AZF)a, AZFb and AZFc. Fluorescence in situ hybridization analysis further confirmed the existence of sex-determining region Y gene and verified that Yq12 was translocated to the terminal short arm of chromosome 3(3p26). INTERVENTIONS The couple chose intracytoplasmic sperm injection to get their offspring. The wife underwent amniocentesis for cytogenetic analysis but suffered termination of pregnancy due to premature rupture of membranes. OUTCOMES The karyotype of the patient was finally described as 46, X, der(3)t(Y;3)(q11.22;p26). His father and the aborted fetus showed the same karyotypes as the patient. CONCLUSION Our study not only enriched the karyotype-phenotype correlation of Y-autosome translocation, but also strengthened the critical roles of molecular genetic techniques in identifying the chromosomal breakpoints and regions involved.
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Affiliation(s)
- Shu Deng
- Center for Reproductive Medicine, Center for Prenatal Diagnosis, First Hospital
- Jilin Engineering Research Center for Reproductive Medicine and Genetics, Jilin University, Changchun, China
| | - Hongguo Zhang
- Center for Reproductive Medicine, Center for Prenatal Diagnosis, First Hospital
- Jilin Engineering Research Center for Reproductive Medicine and Genetics, Jilin University, Changchun, China
| | - Xiangyin Liu
- Center for Reproductive Medicine, Center for Prenatal Diagnosis, First Hospital
- Jilin Engineering Research Center for Reproductive Medicine and Genetics, Jilin University, Changchun, China
| | - Fagui Yue
- Center for Reproductive Medicine, Center for Prenatal Diagnosis, First Hospital
- Jilin Engineering Research Center for Reproductive Medicine and Genetics, Jilin University, Changchun, China
| | - Yuting Jiang
- Center for Reproductive Medicine, Center for Prenatal Diagnosis, First Hospital
- Jilin Engineering Research Center for Reproductive Medicine and Genetics, Jilin University, Changchun, China
| | - Shibo Li
- Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Ruizhi Liu
- Center for Reproductive Medicine, Center for Prenatal Diagnosis, First Hospital
- Jilin Engineering Research Center for Reproductive Medicine and Genetics, Jilin University, Changchun, China
| | - Qi Xi
- Center for Reproductive Medicine, Center for Prenatal Diagnosis, First Hospital
- Jilin Engineering Research Center for Reproductive Medicine and Genetics, Jilin University, Changchun, China
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Li HG, Fan LH, Liu B, Qian YQ, Chen M, Sun YX, Dong MY. The association between the two more common genetic causes of spermatogenic failure: a 7-year retrospective study. Asian J Androl 2020; 22:642-648. [PMID: 32362598 PMCID: PMC7705978 DOI: 10.4103/aja.aja_13_20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Chromosomal abnormalities and Y chromosome microdeletions are considered to be the two more common genetic causes of spermatogenic failure. However, the relationship between chromosomal aberrations and Y chromosome microdeletions is still unclear. This study was to investigate the incidence and characteristics of chromosomal aberrations and Y chromosome microdeletions in infertile men, and to explore whether there was a correlation between the two genetic defects of spermatogenic failure. A 7-year retrospective study was conducted on 5465 infertile men with nonobstructive azoospermia or oligozoospermia. Karyotype analysis of peripheral blood lymphocytes was performed by standard G-banding techniques. Y chromosome microdeletions were screened by multiplex PCR amplification with six specific sequence-tagged site (STS) markers. Among the 5465 infertile men analyzed, 371 (6.8%) had Y chromosome microdeletions and the prevalence of microdeletions in azoospermia was 10.5% (259/2474) and in severe oligozoospermia was 6.3% (107/1705). A total of 4003 (73.2%) infertile men underwent karyotyping; 370 (9.2%) had chromosomal abnormalities and 222 (5.5%) had chromosomal polymorphisms. Karyotype analysis was performed on 272 (73.3%) patients with Y chromosome microdeletions and 77 (28.3%) had chromosomal aberrations, all of which involved sex chromosomes but not autosomes. There was a significant difference in the frequency of chromosomal abnormalities between men with and without Y chromosome microdeletions (P < 0.05).
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Affiliation(s)
- Hong-Ge Li
- Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Li-Hong Fan
- Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Bei Liu
- Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Ye-Qing Qian
- Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Min Chen
- Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Yi-Xi Sun
- Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
| | - Min-Yue Dong
- Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
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Jiang Y, Yue F, Wang R, Zhang H, Li L, Li L, Li S, Liu R. Molecular cytogenetic characterization of an isodicentric Yq and a neocentric isochromosome Yp in an azoospermic male. Mol Med Rep 2019; 21:918-926. [PMID: 31974623 DOI: 10.3892/mmr.2019.10883] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 10/10/2019] [Indexed: 11/06/2022] Open
Abstract
Isodicentric Y chromosomes are considered one of the most common structural abnormalities of the Y chromosome. Neocentric marker chromosomes, with neocentromeres, have drawn increasing attention in recent years. The present study reported an azoospermic male with a neocentric isochromosome Yp, neo(Yp), and an isodicentric Yq, idic(Yq). The karyotype was analyzed using G‑banding, chromosome microarray analysis (CMA), and fluorescence in situ hybridization (FISH) with various detection probes, including sex‑determining region on the Y chromosome (SRY) and Y centromeric, applied at the same time. G‑banding initially revealed the karyotype 47,X,i(Y)(q10),+mar. CMA indicated the presence of an extra Y chromosome, seemingly equivalent to 47,XYY males. FISH delineated the existence of two centromeres on the idic(Yq). For the marker chromosome, two SRY signals were detected instead of the Y‑specific centromere signal, and a visual centromere was observed. This indicated the possible existence of a neocentromere in the marker chromosome, located in the connected region in Yp11.2 band. Finally, the patient's karyotype was established as 47,X,idic(Y)(p11.2), neo(Y)(pter→Yp11.2::Yp11.2→pter). The findings suggested that both idic(Yq) and neo(Yp) could be the main causes of the patient's azoospermia, despite the fact that the partial disomy of Ypter to Yp11.2 did not lead to any major malformations. The present study not only improves the understanding of karyotype/phenotype relationships between neocentric marker Y chromosomes and male infertility, but also supports the hypothesis that the combined application of molecular cytogenetic analysis could aid in reliably confirming breakpoints, origins, and the constitution of the marker chromosomes.
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Affiliation(s)
- Yuting Jiang
- Center for Reproductive Medicine and Center for Prenatal Diagnosis, First Hospital, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Fagui Yue
- Center for Reproductive Medicine and Center for Prenatal Diagnosis, First Hospital, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Ruixue Wang
- Center for Reproductive Medicine and Center for Prenatal Diagnosis, First Hospital, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Hongguo Zhang
- Center for Reproductive Medicine and Center for Prenatal Diagnosis, First Hospital, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Leilei Li
- Center for Reproductive Medicine and Center for Prenatal Diagnosis, First Hospital, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Linlin Li
- Center for Reproductive Medicine and Center for Prenatal Diagnosis, First Hospital, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Shibo Li
- Department of Pediatrics, University of Oklahoma Health Sciences Center, Oklahoma, OK 73104, USA
| | - Ruizhi Liu
- Center for Reproductive Medicine and Center for Prenatal Diagnosis, First Hospital, Jilin University, Changchun, Jilin 130021, P.R. China
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Liu C, Zhao X, Mu C, Li H, Ma J, Jiao H, Huo Z. The Association of Partial Azoospermia Factor C Deletions and Male Infertility in Northwestern China. Hum Hered 2019; 84:144-150. [PMID: 31805572 DOI: 10.1159/000504607] [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: 06/04/2019] [Accepted: 10/29/2019] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Male infertility is a major health issue worldwide. Y chromosome microdeletions are well-characterized genetic causes of male infertility. The association of partial AZFc deletions (gr/gr, b2/b3, and b1/b3) with male infertility is not well confirmed in diverse populations. The purpose of the present study was to investigate the frequency of partial AZFc deletions and their association with male infertility in a population from Northwestern China. METHODS Multiplex polymerase chain reaction was used to detect partial AZFc deletions in 228 infertile patients. We analyzed 141 cases of azoospermia (AS), 87 cases of oligozoospermia (OS), and 200 fertile controls. RESULTS Our data showed that the frequency of a b2/b3 deletion in infertile men, men with AS, men with OS, and controls was 3.51, 2.13, 5.75, and 0.00%, respectively. The frequency of this deletion was significantly different between the infertile group and the control group (3.51 vs. 0.00%, respectively, p = 0.021) and between the OS group and the control group (5.75 vs. 0.00%, respectively, p = 0.003). The frequency of a gr/gr deletion in each group was 11.84, 9.22, 16.09, and 7.50%, respectively. The frequency of a gr/gr deletion was significantly different between the OS group and the control group (16.09 vs. 7.50%, respectively, p = 0.026) but not between the infertile group and the control group (11.84 vs. 7.50%, p = 0.132) or the AS group and the control group (9.22 vs. 7.50%, p = 0.569). The frequency of a b1/b3 deletion was 0.44, 0.71, 0.00, and 3.00%, respectively. For this deletion, there was no significant difference between the infertile (0.44 vs. 3.00%, p = 0.089), AS (0.71 vs. 3.00%, p = 0.276), and OS groups (0.00 vs. 3.00%, p = 0.236) and the control group. CONCLUSIONS Our results suggest that the b2/b3 deletion might be associated with male infertility and that the gr/gr deletion might be associated with spermatogenic failure in men with OS in Northwestern China (Ningxia).
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Affiliation(s)
- Chunlian Liu
- Key Laboratory of Fertility Preservation and Maintenance, Ministry of Education, Ningxia Medical University, Yinchuan, China.,Key Laboratory of Reproduction and Genetics in Ningxia, Yinchuan, China.,Department of Medical Genetic and Cell Biology, Basic Medicine Science College, Ningxia Medical University, Yinchuan, China.,Center for Reproductive Medicine, General Hospital, Ningxia Medical University, Yinchuan, China
| | - Xinyan Zhao
- Key Laboratory of Fertility Preservation and Maintenance, Ministry of Education, Ningxia Medical University, Yinchuan, China.,Key Laboratory of Reproduction and Genetics in Ningxia, Yinchuan, China.,Department of Medical Genetic and Cell Biology, Basic Medicine Science College, Ningxia Medical University, Yinchuan, China
| | - Chunlan Mu
- Key Laboratory of Fertility Preservation and Maintenance, Ministry of Education, Ningxia Medical University, Yinchuan, China.,Key Laboratory of Reproduction and Genetics in Ningxia, Yinchuan, China.,Department of Medical Genetic and Cell Biology, Basic Medicine Science College, Ningxia Medical University, Yinchuan, China
| | - Hui Li
- Key Laboratory of Fertility Preservation and Maintenance, Ministry of Education, Ningxia Medical University, Yinchuan, China.,Key Laboratory of Reproduction and Genetics in Ningxia, Yinchuan, China.,Department of Medical Genetic and Cell Biology, Basic Medicine Science College, Ningxia Medical University, Yinchuan, China
| | - Jia Ma
- Key Laboratory of Fertility Preservation and Maintenance, Ministry of Education, Ningxia Medical University, Yinchuan, China.,Key Laboratory of Reproduction and Genetics in Ningxia, Yinchuan, China.,Department of Medical Genetic and Cell Biology, Basic Medicine Science College, Ningxia Medical University, Yinchuan, China
| | - Haiyan Jiao
- Key Laboratory of Fertility Preservation and Maintenance, Ministry of Education, Ningxia Medical University, Yinchuan, China, .,Key Laboratory of Reproduction and Genetics in Ningxia, Yinchuan, China, .,Department of Medical Genetic and Cell Biology, Basic Medicine Science College, Ningxia Medical University, Yinchuan, China,
| | - Zhenghao Huo
- Key Laboratory of Fertility Preservation and Maintenance, Ministry of Education, Ningxia Medical University, Yinchuan, China.,Key Laboratory of Reproduction and Genetics in Ningxia, Yinchuan, China.,Department of Medical Genetic and Cell Biology, Basic Medicine Science College, Ningxia Medical University, Yinchuan, China
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10
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Yue F, Zhang H, Xi Q, Jiang Y, Li L, Liu R, Wang R. Molecular cytogenetic analysis and genetic counseling: a case report of eight 46,XX males and a literature review. Mol Cytogenet 2019; 12:44. [PMID: 31700544 PMCID: PMC6827185 DOI: 10.1186/s13039-019-0456-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 10/17/2019] [Indexed: 11/16/2022] Open
Abstract
Background 46,XX male syndrome is a rare disorder that usually causes infertility. This study was established to identify the genetic causes of this condition in a series of 46,XX males through the combined application of cytogenetic and molecular genetic techniques. Case presentation We identified eight azoospermic 46,XX males who underwent infertility-related consultations at our center. They all presented normal male phenotypes. In seven of the eight 46,XX males (87.5%), translocation of the SRY gene to the terminal short arm of the X chromosome was clearly involved in their condition, which illustrated that this translocation is the main mechanism of 46,XX sex reversal, in line with previous reports. However, one patient presented a homozygous DAX1 mutation (c.498G > A, p.R166R), which was not previously reported in SRY-negative XX males. Conclusions We proposed that this synonymous DAX1 mutation in case 8 might not be associated with the activation of the male sex-determining pathway, and the male phenotype in this case might be regulated by some unidentified genetic or environmental factors. Hence, the detection of genetic variations associated with sex reversal in critical sex-determining genes should be recommended for SRY-negative XX males. Only after comprehensive cytogenetic and molecular genetic analyses can genetic counseling be offered to 46,XX males.
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Affiliation(s)
- Fagui Yue
- 1Center for Reproductive Medicine, Center for Prenatal Diagnosis, First Hospital, Jilin University, Changchun, 130021 China.,2Jilin Engineering Research Center for Reproductive Medicine and Genetics, Jilin University, Changchun, 130021 China
| | - Hongguo Zhang
- 1Center for Reproductive Medicine, Center for Prenatal Diagnosis, First Hospital, Jilin University, Changchun, 130021 China.,2Jilin Engineering Research Center for Reproductive Medicine and Genetics, Jilin University, Changchun, 130021 China
| | - Qi Xi
- 1Center for Reproductive Medicine, Center for Prenatal Diagnosis, First Hospital, Jilin University, Changchun, 130021 China.,2Jilin Engineering Research Center for Reproductive Medicine and Genetics, Jilin University, Changchun, 130021 China
| | - Yuting Jiang
- 1Center for Reproductive Medicine, Center for Prenatal Diagnosis, First Hospital, Jilin University, Changchun, 130021 China.,2Jilin Engineering Research Center for Reproductive Medicine and Genetics, Jilin University, Changchun, 130021 China
| | - Leilei Li
- 1Center for Reproductive Medicine, Center for Prenatal Diagnosis, First Hospital, Jilin University, Changchun, 130021 China.,2Jilin Engineering Research Center for Reproductive Medicine and Genetics, Jilin University, Changchun, 130021 China
| | - Ruizhi Liu
- 1Center for Reproductive Medicine, Center for Prenatal Diagnosis, First Hospital, Jilin University, Changchun, 130021 China.,2Jilin Engineering Research Center for Reproductive Medicine and Genetics, Jilin University, Changchun, 130021 China
| | - Ruixue Wang
- 1Center for Reproductive Medicine, Center for Prenatal Diagnosis, First Hospital, Jilin University, Changchun, 130021 China.,2Jilin Engineering Research Center for Reproductive Medicine and Genetics, Jilin University, Changchun, 130021 China
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11
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Yarahmadi E, Borjian Boroujeni P, Totonchi M, Gourabi H. Genotyping of the EIF1AY Gene in Iranian Patients with Non-Obstructive Azoospermia. Curr Urol 2019; 13:46-50. [PMID: 31579209 DOI: 10.1159/000499295] [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: 10/23/2018] [Accepted: 12/19/2018] [Indexed: 11/19/2022] Open
Abstract
Background EIF1AY is one of the genes essential for normal spermatogenesis and is located in azoospermic factors region. Objective The present study was designed to investigate the EIF1AY gene nucleotide variations, and correlate it with spermatogenic maturation arrest and azoospermia in Iranian population. Methods A total number of 30 Iranian idiopathic non-obstructive azoospermic patients were selected as case group and 30 fertile men served as a control group who had at least 1 child. Nucleotide variation was analyzed in exon 3 and exon 5 in EIF1AY gene of both groups. DNA extraction from peripheral blood samples of selected individuals was done followed by amplification by PCR and sequencing with Sangar method. Results Totally 3 single nucleotide variations were identified: one in the intronic region of exon 3, next one in non-coding transcript exon variant (rs13447352) and the third one in the exonic region of exon 5, all were registered in NCBI-Gene database. Conclusion There was no statistically significant difference in the incidence of nucleotide variation between 2 study populations (p > 0.05). Further studies are required to specify the effects of Y: T20588295G variation on modification of protein structure, as well as the expression pattern of the gene and its association with azoospermia.
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Affiliation(s)
- Elham Yarahmadi
- Jawaharlal Nehru Technological University, IST, Hyderabad, India.,Department of Genetics, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine
| | - Parnaz Borjian Boroujeni
- Department of Genetics, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine
| | - Mehdi Totonchi
- Department of Genetics, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine.,Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Hamid Gourabi
- Department of Genetics, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine
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12
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Y chromosome microdeletions in azoospermic and oligozoospermic Tunisian men. MIDDLE EAST FERTILITY SOCIETY JOURNAL 2018. [DOI: 10.1016/j.mefs.2017.11.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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13
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Sabbaghian M, Mohseni Meybodi A, Rafaee A, Saba S, Zamanian M, Sadighi Gilani MA. Sperm retrieval rate and reproductive outcome of infertile men with azoospermia factor c deletion. Andrologia 2018; 50:e13052. [PMID: 29920741 DOI: 10.1111/and.13052] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 02/05/2018] [Accepted: 03/08/2018] [Indexed: 11/29/2022] Open
Abstract
To evaluate the success rate in sperm retrieval (SR) through microdissection testicular sperm extraction (micro-TESE) in infertile azoospermia factor c (AZFc)-deleted men and determining their reproductive outcomes following ICSI, medical records of couples with AZFc-deleted male partners were reviewed on patient's age, serum hormone levels, karyotype, testicular pathology and pregnancy outcomes. A comparison on age and serum hormone level was conducted between groups with positive and negative sperm retrieval in both azoospermic and oligozoospermic AZFc-deleted men. Of 225 who had AZFc deletion, 195 cases followed clinical treatments. From 195 cases, 116 were azoospermic, 79 were oligozoospermic. Pathology profile was available in 103 of 195 subjects which the predominant trait was SCOS and was seen in 66.9% of cases (69 of 103). Success rate of sperm retrieval in azoospermic patients who underwent micro-TESE was 36.3% (28/77). Forty-three oligozoospermic and 17 azoospermic patients started ART cycle. Pregnancy rate in oligozoospermic group was 35.4% (17 cases), whilst there was no clinical pregnancy in azoospermic group. In conclusion, the pregnancy and delivery in oligozoospermic patients with AZFc deletion are comparable with other studies, but despite of sperm retrieval in azoospermic patients with AZFc deletion, the chance of pregnancy or delivery in these patients was very low.
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Affiliation(s)
- Marjan Sabbaghian
- Department of Andrology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Anahita Mohseni Meybodi
- Department of Genetics, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Alemeh Rafaee
- Department of Andrology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Sadaf Saba
- Department of Andrology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Mohammadreza Zamanian
- 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.,Department of Urology, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
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14
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Akınsal EC, Baydilli N, Dündar M, Ekmekçioğlu O. The frequencies of Y chromosome microdeletions in infertile males. Turk J Urol 2018; 44:389-392. [PMID: 29799410 DOI: 10.5152/tud.2018.73669] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 02/26/2018] [Indexed: 11/22/2022]
Abstract
OBJECTIVE To determine the frequencies and the characteristics of Y chromosome microdeletions in infertile males. MATERIAL AND METHODS The records of 1616 infertile males were included in the study. The cases were divided into groups according to the infertility etiology and semen analysis. The frequencies and the characteristics of Y chromosome microdeletions were investigated in groups. RESULTS Y chromosome microdeletion was detected in 54 (3.3%) of 1616 cases. Microdeletions in the azoospermia factor (AZF) region were the most common (48.1%). When the cases were grouped according to causes of infertility that could be detected, no Y chromosome microdeletions were detected in some groups (cases with Klinefelter Syndrome, hypogonadotropic hypogonadism, congenital absence of vas deferens, and 47, XYY karyotype). CONCLUSION Y chromosome microdeletions were detected quite frequently in certain infertility subgroups. Therefore, detailed evaluation of an infertile man by physical examination, semen analysis, hormonal evaluations and when required, karyotype analysis may predict the patients for whom Y chromosome microdeletion analysis is necessary and also prevent cost increases.
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Affiliation(s)
| | - Numan Baydilli
- Department of Urology, Erciyes University, Kayseri, Turkey
| | - Munis Dündar
- Department of Medical Genetics, Erciyes University, Kayseri, Turkey
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15
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Bahrami Zadegan S, Dabbagh Bagheri S, Joudaki A, Samiee Aref MH, Saeidian AH, Abiri M, Zeinali S. Development and implementation of a novel panel consisting 20 markers for the detection of genetic causes of male infertility. Andrologia 2017; 50:e12946. [PMID: 29282760 DOI: 10.1111/and.12946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/24/2017] [Indexed: 11/28/2022] Open
Abstract
Azoospermia factor (AZF) genes are involved in spermatogenesis. Deletions in the region of these genes have been recognised as a major genetic cause of infertility due to defects in spermatogenesis. Klinefelter syndrome (KS) is the other main cause of male infertility. This study was performed to establish a novel method for the detection of genetic causes of infertility in males and also to investigate the prevalence, extent and position of Y chromosome microdeletions in Iranian infertile men. We developed a newly designed panel of fluorescent multiplex-PCR method to amplify 20 markers (15 sequence-tagged sites (STSs) markers which are placed in the Y chromosome AZF region, 2 short tandem repeats (STRs) and 3 segmental duplications (SDs)). This multifunctional method is for the simultaneous detection of Y chromosome microdeletions and KS. Among 149 studied infertile men, one was detected to suffer from KS and seven (4.7%) were detected with the presence of one or more deleted STS loci. The main cause of infertility for the remaining patients would be nongenetic factors. This strategy is represented as a fast and accurate method to determine the frequencies of different AZF microdeletions which are suitable for use in clinical purposes.
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Affiliation(s)
- S Bahrami Zadegan
- Department of Biotechnology, College of Science, University of Tehran, Tehran, Iran
- Dr. Zeinali's Medical Genetics Laboratory, Kawsar Human Genetics Research Center, Tehran, Iran
| | - S Dabbagh Bagheri
- Dr. Zeinali's Medical Genetics Laboratory, Kawsar Human Genetics Research Center, Tehran, Iran
| | - A Joudaki
- Dr. Zeinali's Medical Genetics Laboratory, Kawsar Human Genetics Research Center, Tehran, Iran
| | - M H Samiee Aref
- Department of Biotechnology, College of Science, University of Tehran, Tehran, Iran
- Dr. Zeinali's Medical Genetics Laboratory, Kawsar Human Genetics Research Center, Tehran, Iran
| | - A H Saeidian
- Department of Dermatology and Cutaneous Biology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, USA
| | - M Abiri
- Dr. Zeinali's Medical Genetics Laboratory, Kawsar Human Genetics Research Center, Tehran, Iran
- Department of Medical Genetics and Molecular Biology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - S Zeinali
- Dr. Zeinali's Medical Genetics Laboratory, Kawsar Human Genetics Research Center, Tehran, Iran
- Department of Molecular Medicine, Pasteur Institute of Iran, Biotechnology Research Center, Tehran, Iran
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16
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Pan Y, Zhang HG, Xi QI, Zhang H, Wang RX, Li LL, Liu RZ. Molecular microdeletion analysis of infertile men with karyotypic Y chromosome abnormalities. J Int Med Res 2017; 46:307-315. [PMID: 28835195 PMCID: PMC6011318 DOI: 10.1177/0300060517719394] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Objectives To investigate azoospermic factor (AZF) microdeletions in infertile men from northeastern China with karyotypic Y chromosome abnormalities. Methods G-banding of metaphase chromosomes and karyotype analysis were performed in all infertile male patients. Genomic DNA was isolated and used to analyze classical AZF microdeletions by PCR. The regions and sequence-tagged sites of AZFa (SY86, SY84), AZFb (SY127, SY134, SY143), and AZFc (SY152, SY254, SY255, SY157) were sequenced by multiplex PCR. Results A total of 190 Y chromosome abnormality carriers were found, of whom 35 had AZF microdeletions. These were most common in 46,X,Yqh− patients, followed by 45,X/46,XY patients. Most microdeletions were detected in the AZFb + c region, including 48.57% of all AZF microdeletion cases. AZF partial deletions were also seen in these patients. Overall, AZF microdeletions were detected in 38.5% Y chromosome abnormality carriers, and most were observed in 46,X,Yqh− individuals. Loss of SY152 was seen in all 35 patients, with SY254/SY255 detected in 34 of 35 patients. Conclusions AZF microdeletions were detected in 38.5% of Y chromosome abnormality carriers. This indicates that AZF microdeletion screening is advisable for individuals with karyotypic Y chromosome abnormalities.
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Affiliation(s)
- Yuan Pan
- Center for Reproductive Medicine and Center for Prenatal Diagnosis, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Hong-Guo Zhang
- Center for Reproductive Medicine and Center for Prenatal Diagnosis, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Q I Xi
- Center for Reproductive Medicine and Center for Prenatal Diagnosis, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Han Zhang
- Center for Reproductive Medicine and Center for Prenatal Diagnosis, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Rui-Xue Wang
- Center for Reproductive Medicine and Center for Prenatal Diagnosis, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Lei-Lei Li
- Center for Reproductive Medicine and Center for Prenatal Diagnosis, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Rui-Zhi Liu
- Center for Reproductive Medicine and Center for Prenatal Diagnosis, The First Hospital of Jilin University, Changchun, Jilin, China
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17
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Human Y chromosome copy number variation in the next generation sequencing era and beyond. Hum Genet 2017; 136:591-603. [PMID: 28378101 PMCID: PMC5418319 DOI: 10.1007/s00439-017-1788-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Accepted: 03/25/2017] [Indexed: 11/16/2022]
Abstract
The human Y chromosome provides a fertile ground for structural rearrangements owing to its haploidy and high content of repeated sequences. The methodologies used for copy number variation (CNV) studies have developed over the years. Low-throughput techniques based on direct observation of rearrangements were developed early on, and are still used, often to complement array-based or sequencing approaches which have limited power in regions with high repeat content and specifically in the presence of long, identical repeats, such as those found in human sex chromosomes. Some specific rearrangements have been investigated for decades; because of their effects on fertility, or their outstanding evolutionary features, the interest in these has not diminished. However, following the flourishing of large-scale genomics, several studies have investigated CNVs across the whole chromosome. These studies sometimes employ data generated within large genomic projects such as the DDD study or the 1000 Genomes Project, and often survey large samples of healthy individuals without any prior selection. Novel technologies based on sequencing long molecules and combinations of technologies, promise to stimulate the study of Y-CNVs in the immediate future.
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18
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Zhu XB, Gong YH, He J, Guo AL, Zhi EL, Yao JE, Zhu BS, Zhang AJ, Li Z. Multicentre study of Y chromosome microdeletions in 1,808 Chinese infertile males using multiplex and real-time polymerase chain reaction. Andrologia 2016; 49. [PMID: 27862170 DOI: 10.1111/and.12662] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/07/2016] [Indexed: 11/28/2022] Open
Abstract
Azoospermia factor (AZF) genes on the long arm of the human Y chromosome are involved in spermatogenesis, and microdeletions in the AZF region have been recognised to be the second major genetic cause of spermatogenetic failure resulting in male infertility. While screening for these microdeletions can avoid unnecessary medical and surgical treatments, current methods are generally time-consuming. Therefore, we established a new method to detect and analyse microdeletions in the AZF region quickly, safely and efficiently. In total, 1,808 patients with spermatogenetic failure were recruited from three hospitals in southern China, of which 600 patients were randomly selected for screening for Y chromosome microdeletions in AZF regions employing real-time polymerase chain reaction with a TaqMan probe. In our study, of 1,808 infertile patients, 150 (8.3%) were found to bear microdeletions in the Y chromosome using multiplex PCR, while no deletions were found in the controls. Among the AZF deletions detected, two were in AZFa, three in AZFb, 35 in AZFc, three in AZFb+c and two in AZFa+b+c. Our method is fast-it permits the scanning of DNA from a patient in one and a half hours-and reliable, minimising the risk of cross-contamination and false-positive and false-negative results.
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Affiliation(s)
- X-B Zhu
- Department of Andrology & PFD, Center for Men's Health, Department of ART, Institute of Urology, Urologic Medical Center Shanghai General Hospital, Shanghai Key Laboratory of Reproductive Medicine, Shanghai Jiao Tong University, Shanghai, China.,Center of Reproductive Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Y-H Gong
- Department of Andrology & PFD, Center for Men's Health, Department of ART, Institute of Urology, Urologic Medical Center Shanghai General Hospital, Shanghai Key Laboratory of Reproductive Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - J He
- Genetic Diagnosis Center, Medical Faculty of Kunming University of Science and Technology, Kunming, China
| | - A-L Guo
- Tellgen Corporation, Shanghai, China
| | - E-L Zhi
- Department of Andrology & PFD, Center for Men's Health, Department of ART, Institute of Urology, Urologic Medical Center Shanghai General Hospital, Shanghai Key Laboratory of Reproductive Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - J-E Yao
- Tellgen Corporation, Shanghai, China
| | - B-S Zhu
- Genetic Diagnosis Center, Medical Faculty of Kunming University of Science and Technology, Kunming, China
| | - A-J Zhang
- Center of Reproductive Medicine, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Z Li
- Department of Andrology & PFD, Center for Men's Health, Department of ART, Institute of Urology, Urologic Medical Center Shanghai General Hospital, Shanghai Key Laboratory of Reproductive Medicine, Shanghai Jiao Tong University, Shanghai, China
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19
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Wong HY, Wang GM, Croessmann S, Zabransky DJ, Chu D, Garay JP, Cidado J, Cochran RL, Beaver JA, Aggarwal A, Liu ML, Argani P, Meeker A, Hurley PJ, Lauring J, Park BH. TMSB4Y is a candidate tumor suppressor on the Y chromosome and is deleted in male breast cancer. Oncotarget 2016; 6:44927-40. [PMID: 26702755 PMCID: PMC4792601 DOI: 10.18632/oncotarget.6743] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Accepted: 12/20/2015] [Indexed: 12/13/2022] Open
Abstract
Male breast cancer comprises less than 1% of breast cancer diagnoses. Although estrogen exposure has been causally linked to the development of female breast cancers, the etiology of male breast cancer is unclear. Here, we show via fluorescence in situ hybridization (FISH) and droplet digital PCR (ddPCR) that the Y chromosome was clonally lost at a frequency of ~16% (5/31) in two independent cohorts of male breast cancer patients. We also show somatic loss of the Y chromosome gene TMSB4Y in a male breast tumor, confirming prior reports of loss at this locus in male breast cancers. To further understand the function of TMSB4Y, we created inducible cell lines of TMSB4Y in the female human breast epithelial cell line MCF-10A. Expression of TMSB4Y resulted in aberrant cellular morphology and reduced cell proliferation, with a corresponding reduction in the fraction of metaphase cells. We further show that TMSB4Y interacts directly with β-actin, the main component of the actin cytoskeleton and a cell cycle modulator. Taken together, our results suggest that clonal loss of the Y chromosome may contribute to male breast carcinogenesis, and that the TMSB4Y gene has tumor suppressor properties.
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Affiliation(s)
- Hong Yuen Wong
- The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Grace M Wang
- The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Sarah Croessmann
- The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Daniel J Zabransky
- The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - David Chu
- The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Joseph P Garay
- The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Justin Cidado
- The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, USA.,Present address: Oncology iMED, AstraZeneca, Waltham, MA, USA
| | - Rory L Cochran
- The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Julia A Beaver
- The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Anita Aggarwal
- Veterans Affairs Medical Center, Washington, DC, USA.,The Georgetown University, Washington, DC, USA.,George Washington University School of Medicine, Washington, DC, USA
| | - Min-Ling Liu
- Veterans Affairs Medical Center, Washington, DC, USA.,George Washington University School of Medicine, Washington, DC, USA
| | - Pedram Argani
- The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Alan Meeker
- The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Paula J Hurley
- The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Josh Lauring
- The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Ben Ho Park
- The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD, USA.,The Whiting School of Engineering, Department of Chemical and Biomolecular Engineering, The Johns Hopkins University, Baltimore, MD, USA
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20
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Copy number variation and microdeletions of the Y chromosome linked genes and loci across different categories of Indian infertile males. Sci Rep 2015; 5:17780. [PMID: 26638807 PMCID: PMC4671023 DOI: 10.1038/srep17780] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Accepted: 11/03/2015] [Indexed: 01/10/2023] Open
Abstract
We analyzed 34 azoospermic (AZ), 43 oligospermic (OS), and 40 infertile males with normal spermiogram (INS) together with 55 normal fertile males (NFM) from the Indian population. AZ showed more microdeletions in the AZFa and AZFb regions whereas oligospermic ones showed more microdeletions in the AZFc region. Frequency of the AZF partial deletions was higher in males with spermatogenic impairments than in INS. Significantly, SRY, DAZ and BPY2 genes showed copy number variation across different categories of the patients and much reduced copies of the DYZ1 repeat arrays compared to that in normal fertile males. Likewise, INS showed microdeletions, sequence and copy number variation of several Y linked genes and loci. In the context of infertility, STS deletions and copy number variations both were statistically significant (p = 0.001). Thus, semen samples used during in vitro fertilization (IVF) and assisted reproductive technology (ART) must be assessed for the microdeletions of AZFa, b and c regions in addition to the affected genes reported herein. Present study is envisaged to be useful for DNA based diagnosis of different categories of the infertile males lending support to genetic counseling to the couples aspiring to avail assisted reproductive technologies.
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21
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Yu XW, Wei ZT, Jiang YT, Zhang SL. Y chromosome azoospermia factor region microdeletions and transmission characteristics in azoospermic and severe oligozoospermic patients. Int J Clin Exp Med 2015; 8:14634-46. [PMID: 26628946 PMCID: PMC4658835 DOI: pmid/26628946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Accepted: 08/27/2015] [Indexed: 11/18/2022]
Abstract
Spermatogenesis is an essential reproductive process that is regulated by many Y chromosome specific genes. Most of these genes are located in a specific region known as the azoospermia factor region (AZF) in the long arm of the human Y chromosome. AZF microdeletions are recognized as the most frequent structural chromosomal abnormalities and are the major cause of male infertility. Assisted reproductive techniques (ART) such as intra-cytoplasmic sperm injection (ICSI) and testicular sperm extraction (TESE) can overcome natural fertilization barriers and help a proportion of infertile couples produce children; however, these techniques increase the transmission risk of genetic defects. AZF microdeletions and their associated phenotypes in infertile males have been extensively studied, and different AZF microdeletion types have been identified by sequence-tagged site polymerase chain reaction (STS-PCR), suspension array technology (SAT) and array-comparative genomic hybridization (aCGH); however, each of these approaches has limitations that need to be overcome. Even though the transmission of AZF microdeletions has been reported worldwide, arguments correlating ART and the incidence of AZF microdeletions and explaining the occurrence of de novo deletions and expansion have not been resolved. Using the newest findings in the field, this review presents a systematic update concerning progress in understanding the functions of AZF regions and their associated genes, AZF microdeletions and their phenotypes and novel approaches for screening AZF microdeletions. Moreover, the transmission characteristics of AZF microdeletions and the future direction of research in the field will be specifically discussed.
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Affiliation(s)
- Xiao-Wei Yu
- Prenatal Diagnosis Center, The First Hospital of Jinlin University Changchun 130021, Jinlin Province, China
| | - Zhen-Tong Wei
- Department of Gynecologic Tumors, The First Hospital of Jinlin University Changchun 130021, Jinlin Province, China
| | - Yu-Ting Jiang
- Prenatal Diagnosis Center, The First Hospital of Jinlin University Changchun 130021, Jinlin Province, China
| | - Song-Ling Zhang
- Department of Gynecologic Tumors, The First Hospital of Jinlin University Changchun 130021, Jinlin Province, China
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