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Zhang X, Liu X, Xi Q, Zhu H, Li L, Liu R, Yu Y. Reproductive outcomes of 3 infertile males with XYY syndrome: Retrospective case series and literature review. Medicine (Baltimore) 2020; 99:e19375. [PMID: 32118782 PMCID: PMC7478696 DOI: 10.1097/md.0000000000019375] [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] [Received: 10/25/2019] [Revised: 01/11/2020] [Accepted: 01/30/2020] [Indexed: 12/31/2022] Open
Abstract
The aim of this study is to evaluate the pregnancy outcomes of males with a 47, XYY karyotype following assisted reproductive treatment.A retrospective study was performed using data from infertile men with 47, XYY at a center for reproductive medicine in 2004 to 2017. Of the 19,842 infertile males treated, a total of 21 showed the 47, XYY karyotype and were included in the present study. Clinical variables were collected. Three men were under treatment with their partner before either in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI).The incidence of 47, XYY in infertile men is 1/945 (21/19842). Most men are azoospermic or severely oligospermic. Three men and their partners underwent IVF or ICSI treatment with fresh ejaculate samples. The fertilization rate was 52.94% to 83.33%. The embryo cleavage rate was 50% to 90%. One man had abnormal sex hormonal levels and his partner had no clinical pregnancy. The other 2 couples had healthy baby boys.Live spermatozoa can be gathered and fertility is possible for infertile males with 47, XYY syndrome when IVF or ICSI treatment is used. It is recommended that genetic counseling is provided in such cases.
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Borjian Boroujeni P, Sabbaghian M, Vosough Dizaji A, Zarei Moradi S, Almadani N, Mohammadpour Lashkari F, Zamanian MR, Mohseni Meybodi A. Clinical aspects of infertile 47,XYY patients: a retrospective study. HUM FERTIL 2017; 22:88-93. [DOI: 10.1080/14647273.2017.1353143] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Parnaz Borjian Boroujeni
- Department of Genetics, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Marjan Sabbaghian
- Department of Andrology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Ahmad Vosough Dizaji
- Department of Reproductive Imaging, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Shabnam Zarei Moradi
- Department of Genetics, 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
| | - Faranak Mohammadpour Lashkari
- Department of Andrology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Mohamad Reza Zamanian
- Department of Genetics, 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
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Flannigan R, Schlegel PN. Genetic diagnostics of male infertility in clinical practice. Best Pract Res Clin Obstet Gynaecol 2017; 44:26-37. [PMID: 28601348 DOI: 10.1016/j.bpobgyn.2017.05.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Revised: 04/10/2017] [Accepted: 05/02/2017] [Indexed: 01/15/2023]
Abstract
Approximately 15% of couples are infertile. Male factors contribute to infertility in over 50% of cases. Identifiable genetic abnormalities contribute to 15%-20% of the most severe forms of male infertility, azoospermia. In this chapter, we explore known genetic causes of male infertility such as Klinefelter syndrome, XYY men, Kallmann syndrome, y-microdeletions, Robertsonian translocations, autosomal inversions, mixed gonadal dysgenesis, x-linked and autosomal gene mutations, and cystic fibrosis transmembrane conductance regulator abnormalities. We also briefly comment on novel biomarkers for male infertility.
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Wu C, Wang L, Iqbal F, Jiang X, Bukhari I, Guo T, Yin G, Cooke HJ, Cao Z, Jiang H, Shi Q. Preferential Y-Y pairing and synapsis and abnormal meiotic recombination in a 47,XYY man with non obstructive azoospermia. Mol Cytogenet 2016; 9:9. [PMID: 26839593 PMCID: PMC4736128 DOI: 10.1186/s13039-016-0218-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Accepted: 01/26/2016] [Indexed: 11/12/2022] Open
Abstract
Back ground Men with 47, XYY syndrome are presented with varying physical attributes and degrees of infertility. Little information has been documented regarding the meiotic progression in patients with extra Y chromosome along with the synapses and recombination between the two Y chromosomes. Methods Spermatocyte spreading and immunostaining were applied to study the behavior of the extra Y chromosome during meiosis I in an azoospermia patient with 47, XYY syndrome and results were compared with five healthy controls with proven fertility. Results The extra Y chromosome was present in all the studied spermatocytes of the patient and preferentially paired and synapsed with the other Y chromosome. Consistently, gamma-H2AX staining completely disappeared from the synapsed regions of Y chromosomes. More interestingly, besides recombination on short arms, recombination on the long arms of Y chromosomes was also observed. No pairing and synapsis defects between homologous autosomes were detected, while significantly reduced recombination frequencies on autosomes were observed in the patient. The meiotic prophase I progression was disturbed with significantly increased proportion of leptotene, zygotene cells and decreased pachytene spermatocytes in the patient when compared with the controls. Conclusions These findings highlight the importance of studies on meiotic behaviors in patients with an abnormal chromosomal constitution and provide an important framework for future studies, which may elucidate the impairment caused by extra Y chromosome in mammalian meiosis and fertility. Electronic supplementary material The online version of this article (doi:10.1186/s13039-016-0218-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Caiyun Wu
- The Reproductive Medicine Center, Clinical College of People's Liberation Army Affiliated to Anhui Medical University, Hefei, Anhui China.,The Reproductive Medicine Center, 105 Hospital of People's Liberation Army, Hefei, Anhui China
| | - Liu Wang
- Molecular and Cell Genetics Laboratory, The CAS Key Laboratory of Innate Immunity and Chronic Diseases, Hefei National Laboratory for Physical Sciences at Microscale, School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230027 China.,Collaborative Innovation Center of Genetics and Development, Fudan University, Shanghai, 200438 China
| | - Furhan Iqbal
- Molecular and Cell Genetics Laboratory, The CAS Key Laboratory of Innate Immunity and Chronic Diseases, Hefei National Laboratory for Physical Sciences at Microscale, School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230027 China.,Institute of Pure and Applied Biology, Bahauddin Zakariya University, Multan, 60800 Pakistan
| | - Xiaohua Jiang
- Molecular and Cell Genetics Laboratory, The CAS Key Laboratory of Innate Immunity and Chronic Diseases, Hefei National Laboratory for Physical Sciences at Microscale, School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230027 China.,Collaborative Innovation Center of Genetics and Development, Fudan University, Shanghai, 200438 China
| | - Ihtisham Bukhari
- Molecular and Cell Genetics Laboratory, The CAS Key Laboratory of Innate Immunity and Chronic Diseases, Hefei National Laboratory for Physical Sciences at Microscale, School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230027 China.,Collaborative Innovation Center of Genetics and Development, Fudan University, Shanghai, 200438 China
| | - Tonghang Guo
- Center for Reproductive Medicine, Anhui Medical University, Affiliated Provincial Hospital, Hefei, China
| | - Gengxin Yin
- Anhui Provincial Family Planning Institute of Science and Technology, Hefei, China
| | - Howard J Cooke
- Molecular and Cell Genetics Laboratory, The CAS Key Laboratory of Innate Immunity and Chronic Diseases, Hefei National Laboratory for Physical Sciences at Microscale, School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230027 China.,Collaborative Innovation Center of Genetics and Development, Fudan University, Shanghai, 200438 China
| | - Zhenyi Cao
- The Reproductive Medicine Center, 105 Hospital of People's Liberation Army, Hefei, Anhui China
| | - Hong Jiang
- The Reproductive Medicine Center, Clinical College of People's Liberation Army Affiliated to Anhui Medical University, Hefei, Anhui China.,The Reproductive Medicine Center, 105 Hospital of People's Liberation Army, Hefei, Anhui China
| | - Qinghua Shi
- Molecular and Cell Genetics Laboratory, The CAS Key Laboratory of Innate Immunity and Chronic Diseases, Hefei National Laboratory for Physical Sciences at Microscale, School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230027 China.,Collaborative Innovation Center of Genetics and Development, Fudan University, Shanghai, 200438 China
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Nguyen MH, Morel F, Bujan L, May-Panloup P, De Braekeleer M, Perrin A. A study of aneuploidy and DNA fragmentation in spermatozoa of three men with sex chromosome mosaicism including a 45,X cell line. HUM FERTIL 2014; 18:96-9. [PMID: 25545806 DOI: 10.3109/14647273.2014.988663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Meiotic segregation of mosaic males with a 45,X cell line has been little examined. In this study, we evaluated the risk of aneuploid gametes using fluorescence in situ hybridization (FISH) and DNA fragmentation in ejaculated spermatozoa of three men with sex chromosome mosaicism including a 45,X cell line. Triple- and dual-color FISH were performed. Sperm DNA fragmentation was detected using the TUNEL assay. A significantly increased frequency of XY disomic spermatozoa was observed for patients (P)1 and P2. A significant increase in diploidy and autosomal aneuploidy was found in P2 and P3, respectively. The rate of DNA fragmentation was not different from that observed in a control group. Data from the literature are scarce (only 3 cases reported), making comparison of the present data difficult, especially as the frequencies of the cell lines comprising the mosaicism differed between patients. Furthermore, the proportion of the different cell lines can differ from one tissue to another in the same patient. Whether the relative levels of the several cell lines present in the mosaicism can influence the rate of aneuploid spermatozoa remains unknown.
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Affiliation(s)
- Minh Huong Nguyen
- Laboratoire d'Histologie, Embryologie et Cytogénétique, Faculté de Médecine et des Sciences de la Santé, Université de Bretagne Occidentale , Brest , France
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Gambera L, Morgante G, Serafini F, Stendardi A, Orvieto R, De Leo V, Petraglia F, Piomboni P. Human sperm aneuploidy: FISH analysis in fertile and infertile men. ACTA ACUST UNITED AC 2014. [DOI: 10.1586/eog.11.57] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Piomboni P, Stendardi A, Gambera L. Chromosomal Aberrations and Aneuploidies of Spermatozoa. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2014; 791:27-52. [DOI: 10.1007/978-1-4614-7783-9_3] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Liao C, Fu F, Zhang L. Ring chromosome 13 syndrome characterized by high resolution array based comparative genomic hybridization in patient with 47, XYY syndrome: a case report. J Med Case Rep 2011; 5:99. [PMID: 21396087 PMCID: PMC3063811 DOI: 10.1186/1752-1947-5-99] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2009] [Accepted: 03/11/2011] [Indexed: 10/25/2022] Open
Abstract
INTRODUCTION The co-occurrence of ring chromosome 13 syndrome and 47, XYY syndrome in the same individual is rare. To the best of our knowledge, this is the first report of the co-existence of this kind of chromosome aberrations. At present, the deletion 13q syndrome is divided into three groups based on the deletion's location relative to chromosomal band 13q32. Group 1 (proximal to q32) and group 2 (including q32) have shown distinctive phenotypes including mental retardation and growth deficiency. Group 3 (q33-34 deletion) is defined by the presence of mental retardation but there is usually an absence of major malformations. CASE PRESENTATION We describe a 10-month-old Chinese Han boy presenting with severe mental retardation, profound congenital bilateral hearing loss with a terminal 13q33.2 deletion and multiple malformations. Routine chromosome analysis disclosed a de novo complex karyotype 47, XYY, r(13)(p11q34). Further investigation by high resolution array-based comparative genomic hybridization delineated an 8.5 Mb terminal deletion on the long arm of chromosome 13(13q33.2→q34). CONCLUSION The co-occurrence of double syndromes in the same individual is rare and its clinical presentation is variable depending on the predominating abnormality or a combination of the effect of both. Hearing impairment is suggested as another new clinical feature to 13qter deletion. This case report will contribute to more accurate genetic counselling and provide further insight to the syndrome.
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Affiliation(s)
- Can Liao
- Department of clinical genetics department, Guangzhou Women and Children' Medical Center, Guangzhou Medical College, Guangzhou, Guangdong 510623, PR China.
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El-Dahtory F, Elsheikha HM. Male infertility related to an aberrant karyotype, 47,XYY: four case reports. CASES JOURNAL 2009; 2:28. [PMID: 19133129 PMCID: PMC2631534 DOI: 10.1186/1757-1626-2-28] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2009] [Accepted: 01/08/2009] [Indexed: 11/10/2022]
Abstract
BACKGROUND 47,XYY syndrome is a sex chromosomal abnormality observed in humans, with a prevalence of 0.1% of male births. Sex chromosome anomalies are more frequently associated with male infertility. CASE REPORT We present here four cases of infertile men with azoospermia or severe oligozoospermia attending a genetic and fertility clinic. Chromosomal analysis of the peripheral blood lymphocytes demonstrated the constitutional karyotype of 47, XYY. Using fluorescence in situ hybridization (FISH) the presence of extra Y chromosome was confirmed, supporting the cytogenetic finding. CONCLUSION The 47,XYY syndrome is relatively uncommon and can be missed clinically because of its variable clinical presentations. Accurate diagnosis of this constitutional karyotype provides a valuable aid in the counselling and early management of the patients who undertake fertility evaluation.
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Affiliation(s)
- Faeza El-Dahtory
- The School of Veterinary Medicine and Science, The University of Nottingham, Sutton Bonington Campus, Loughborough, Leicestershire, LE12 5RD, UK.
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Aneuploidy study in sperm and preimplantation embryos from nonmosaic 47,XYY men. Fertil Steril 2007; 88:600-6. [PMID: 17517402 DOI: 10.1016/j.fertnstert.2006.12.020] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2006] [Revised: 12/20/2006] [Accepted: 12/20/2006] [Indexed: 10/23/2022]
Abstract
OBJECTIVE To determine gonosomal and autosomal aneuploidy rate in sperm and preimplantation embryos from nonmosaic 47,XYY males. DESIGN Sperm and blastomere analysis by fluorescence in situ hybridization. SETTING Fertility clinic, academic hospital. PATIENT(S) Two 47,XYY men undergoing preimplantation genetic diagnosis (PGD) and eight 46,XY males distributed in two control groups (fertile and infertile). INTERVENTION(S) Sperm-sample collection for fluorescence in situ hybridization and PGD. MAIN OUTCOME MEASURE(S) Aneuploidy frequencies for chromosomes X, Y, 13, 16, 18, 21, and 22 in sperm and embryos. RESULT(S) Patients with 47,XYY presented global sperm gonosomal and autosomal aneuploidy frequency of 37.23%-37.80%, with XY disomy being the most frequent abnormality (16.70%-19.01%). This aneuploidy rate was statistically significantly different from that found in both 46,XY infertile controls (1.07%) and 46,XY fertile controls (1.04%). In total, 47 preimplantation embryos were analyzed, of which 32 were classified as normal (68%) and 15 as aneuploid (32%). Among the abnormal embryos, 9 presented gonosomal abnormalities, and 6, autosomal abnormalities. CONCLUSION(S) High rate of gonosomal and autosomal aneuploidy was observed in sperm and preimplantation embryos from nonmosaic 47,XYY males. The offspring of this category of patients may be at higher risk of chromosomal abnormalities, and therefore PGD can be suggested to these patients.
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Sarrate Z, Blanco J, Anton E, Egozcue S, Egozcue J, Vidal F. FISH studies of chromosome abnormalities in germ cells and its relevance in reproductive counseling. Asian J Androl 2005; 7:227-36. [PMID: 16110350 DOI: 10.1111/j.1745-7262.2005.00061.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Chromosome abnormalities are one of the major causes of human infertility. In infertile males, abnormal karyotypes are more frequent than in the general population. Furthermore, meiotic disorders affecting the germ cell-line have been observed in men with normal somatic karyotypes consulting for infertility. In both cases, the production of unbalanced spermatozoa has been demonstrated. Basically addressed to establish reproductive risks, fluorescence in situ hybridization (FISH) on decondensed sperm heads has become the most frequently used method to evaluate the chromosomal constitution of spermatozoa in carriers of numerical sex chromosome abnormalities, carriers of structural chromosome reorganizations and infertile males with normal karyotype. The aim of this review is to present updated figures of the information obtained through sperm FISH studies with an emphasis on its clinical significance. Furthermore, the incorporation of novel FISH-based techniques (Multiplex-FISH; Multi-FISH) in male infertility studies is also discussed.
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Affiliation(s)
- Zaida Sarrate
- Cell Biology Unit, Department of Cell Biology, Physiology and Immunology, Science Faculty, Autonomous University of Barcelona, Bellaterra 08193, Spain
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Rives N, Siméon N, Milazzo JP, Barthélémy C, Macé B. Meiotic segregation of sex chromosomes in mosaic and non-mosaic XYY males: case reports and review of the literature. INTERNATIONAL JOURNAL OF ANDROLOGY 2003; 26:242-9. [PMID: 12846800 DOI: 10.1046/j.1365-2605.2003.00421.x] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The aim of this study was to determine the incidence of sex chromosome aneuploidy in spermatozoa of two males with a 47,XYY karyotype and one male with a 46,XY/47,XYY constitution. Spermatozoa obtained from two oligospermic patients and one volunteer semen donor were studied by multicolour fluorescence in situ hybridization. In the XY/XYY male, the frequencies of X-bearing to Y-bearing sperm were significantly different from the 1 : 1 expected ratio. Significantly increased frequencies were found in the mosaic and non-mosaic males for 24,XX and 24,YY sperm when compared with control donors. The number of 24,XY sperm was significantly different from the controls in the XYY males, but not in the mosaic male. The incidence of disomy 18 and the rate of diploidy also increased in the three patients. However, the mosaic male had the lowest cumulative rate of disomic and diploid spermatozoa when compared with the two XYY patients. Our data suggest that: (i) chromosome abnormalities observed in spermatozoa of the two XYY oligoasthenoteratospermic (OAT) males arise through segregation errors in XY germ cells rather than normal meiosis of XYY germ cells, (ii) mosaic XYY males with normal semen parameters have a lower risk of producing offspring with a sex chromosomal abnormality than OAT males with XYY karyotype.
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Affiliation(s)
- N Rives
- Reproductive Biology Laboratory, Rouen University Hospital, Rouen, France.
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Morel F, Fellmann F, Roux C, Bresson JL. Meiotic segregation analysis by FISH investigation of spermatozoa of a 46,Y,der(X),t(X;Y)(qter-->p22::q11-->qter) carrier. CYTOGENETICS AND CELL GENETICS 2001; 92:63-8. [PMID: 11306798 DOI: 10.1159/000056870] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Chromosome analysis performed on a 30-year-old man revealed a 46,Y,der(X),t(X;Y)(qter-->p22::q11-->qter) karyotype, confirmed by fluorescence in situ hybridization (FISH). The man was of short stature, and no mental retardation was noticed; genitalia and testes were normal, as were the patient's FSH, LH, and testosterone blood levels. Sperm analysis showed azoospermia at the time of the first sampling and severe oligozoospermia, with 125,000 spermatozoa/milliliter, at the time of the second sampling. The sperm gonosomal complement of this patient and of a 46,XY donor were analyzed using multicolor FISH with X- and Y-chromosome probes. Our results clearly indicated that germinal cells carrying the translocation are able to complete the meiotic process by producing spermatozoa compatible with normal embryonic development, with more than 80% of the spermatozoa having either a Y chromosome or a der(X); however, a high level of spermatozoa with gonosomal disomies was observed. We also found a significant increase in the frequency of autosomal disomies in the carrier, which would suggest an interchromosomal effect. All previously reported cases in adult males were associated with azoospermia; testicular histological studies, performed in patients carrying the same X;Y translocation, showed spermatogenetic arrest after pachytene. To our knowledge, this is the first molecular analysis of the gonosomal complement in spermatozoa of men with a t(X;Y)(qter-->p22::q11-->qter).
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Affiliation(s)
- F Morel
- Service de Cytogénétique-Immunocytologie-Biologie du Développement et de la Reproduction, CECOS Besançon, Franche-Comté, Centre Hospitalier Universitaire Saint Jacques, EA 3185 Génétique et Reproduction and Faculté de Médecine, Besançon, France
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Morel F, Roux C, Bresson JL. FISH analysis of the chromosomal status of spermatozoa from three men with 45,XY,der(13;14)(q10;q10) karyotype. Mol Hum Reprod 2001; 7:483-8. [PMID: 11331672 DOI: 10.1093/molehr/7.5.483] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Meiotic segregation of chromosomes 13 and 14 was studied in the ejaculated spermatozoa of three men carrying a translocation der(13;14)(q10;q10). The spermatozoa of these patients and of a donor with a normal 46,XY karyotype (control) were analysed by two-colour fluorescent in-situ hybridization (FISH) with specific chromosomal painting of chromosomes 13 and 14, by two-colour FISH detecting chromosomes 18 and 21 and by triple-colour FISH for chromosomes X, Y and 8. For patients 1, 2 and 3, respectively, 81.34, 82.60 and 88.90% of the analysed nuclei showed normal or balanced chromosomal status, resulting from the alternate segregation of the translocation. The rates of spermatozoa with an unbalanced status (disomy and nullisomy, 13 or 14) resulting from the adjacent mode of segregation were estimated respectively at 18.06, 16.32 and 10.80 (for patients 1, 2 and 3). Additional colour FISH analysis with probes specific for chromosomes X, Y, 8, 18 and 21 showed a significant increase in some disomy frequencies (8, 18, 21, X and Y for patient 1, only 18 for patient 2) in comparison with the control. These results would seem to indicate an interchromosomal effect.
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Affiliation(s)
- F Morel
- Service de Cytogénétique-Immunocytologie-Biologie du Développement et de la Reproduction, CECOS Besançon, Franche-Comté, Centre Hospitalier Universitaire Saint Jacques, EA3185: génétique et Reproduction, 25030 Besançon, France
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Perreault SD, Rubes J, Robbins WA, Evenson DP, Selevan SG. Evaluation of aneuploidy and DNA damage in human spermatozoa: applications in field studies. Andrologia 2000; 32:247-54. [PMID: 11021516 DOI: 10.1046/j.1439-0272.2000.00392.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
With the goal of incorporating measures of sperm nuclear integrity in an epidemiology study, semen samples from young Czech men were analysed for sperm aneuploidy and sperm chromatin structure in addition to routine measures of sperm production and quality. The exposure in question was to high seasonal air pollution containing reactive polyaromatic hydrocarbons potentially capable of affecting spermatogenesis and damaging sperm DNA. The sperm aneuploidy assay uses fluorescence in situ hybridization to label selected sperm chromosomes; as applied in this study, the sex chromosomes (X,Y) and chromosome 8 were targeted. The sperm chromatin structure assay detects sperm nuclei with increased susceptibility to denaturation, a feature that is associated with DNA damage. Logistically, these assays were relatively easy to incorporate into the study design. The aneuploidy assay provided information suggesting that exposure to high levels of air pollution may increase the risk of sperm aneuploidy and that it is important to control for exposure to cigarette smoke and/or alcohol in such studies. The sperm chromatin structure assay provided valuable baseline information about Czech semen donors and data suggestive of an adverse effect of smoking and air pollution on spermatozoa that merits further investigation.
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Affiliation(s)
- S D Perreault
- Reproductive Toxicology Division, US Environmental Protection Agency and Research Triangle Park, NC, USA.
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Shi Q, Martin RH. Multicolor fluorescence in situ hybridization analysis of meiotic chromosome segregation in a 47,XYY male and a review of the literature. AMERICAN JOURNAL OF MEDICAL GENETICS 2000; 93:40-6. [PMID: 10861680 DOI: 10.1002/1096-8628(20000703)93:1<40::aid-ajmg7>3.0.co;2-k] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The frequencies of aneuploid and diploid sperm were determined in a 47,XYY male using multi-color fluorescence in situ hybridization (FISH) analysis, and compared with those from 10 control donors. A total of 30,078 sperm from the patient was scored, 15,044 by two-color FISH for chromosomes 13 and 21, and 15,034 by three-color FISH for the sex chromosomes using chromosome 1 as an internal autosomal control for diploidy and lack of hybridization. The frequencies of X-bearing (49.73%) and Y-bearing sperm (49.46%) in control males were not significantly different from the expected 50% (chi(2)-test for goodness of fit). The ratio of 24,X (50.60%) to 24, Y sperm (48.35%) in the patient, however, was significantly different from the controls (P = 0.0144, chi(2)-test for independence) and from the expected 1:1 ratio (P = 0.0055, chi(2)-test for goodness of fit). There was no significant increase in the frequency of diploid sperm when compared with the controls (chi(2)-test for independence). Significantly increased frequencies were found for 24,YY (0.07% vs. 0.02%, P = 0.0009) and 24,XY (0.44% vs. 0.29%, P = 0.0025), but not for 24,XX (0.05% vs. 0.05%, P > 0. 05), 24,+13 (0.07% vs. 0.07%, P > 0.05) or 24,+21 sperm (0.21% vs. 0. 18%, P > 0.05) in the 47,XYY male when compared with control donors (chi(2)-test for independence). Our results support the theory that loss of the extra Y chromosome occurs during spermatogenesis in most cells. In this XYY patient there was a significant increase in the frequency of sperm with sex chromosomal abnormalities but no suggestion of an inter-chromosomal effect on autosomes. All 3-color FISH studies in the literature demonstrate a significantly increased risk of gonosomal aneuploidy in XYY males, with the risk being on the order of 1%.
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Affiliation(s)
- Q Shi
- Department of Medical Genetics, Faculty of Medicine, University of Calgary, and Genetics Department, Alberta Children's Hospital, Calgary, Canada
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