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Kamiński P, Baszyński J, Jerzak I, Kavanagh BP, Nowacka-Chiari E, Polanin M, Szymański M, Woźniak A, Kozera W. External and Genetic Conditions Determining Male Infertility. Int J Mol Sci 2020; 21:ijms21155274. [PMID: 32722328 PMCID: PMC7432692 DOI: 10.3390/ijms21155274] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 07/20/2020] [Accepted: 07/21/2020] [Indexed: 12/13/2022] Open
Abstract
We explain environmental and genetic factors determining male genetic conditions and infertility and evaluate the significance of environmental stressors in shaping defensive responses, which is used in the diagnosis and treatment of male infertility. This is done through the impact of external and internal stressors and their instability on sperm parameters and their contribution to immunogenetic disorders and hazardous DNA mutations. As chemical compounds and physical factors play an important role in the induction of immunogenetic disorders and affect the activity of enzymatic and non-enzymatic responses, causing oxidative stress, and leading to apoptosis, they downgrade semen quality. These factors are closely connected with male reproductive potential since genetic polymorphisms and mutations in chromosomes 7, X, and Y critically impact on spermatogenesis. Microdeletions in the Azoospermic Factor AZF region directly cause defective sperm production. Among mutations in chromosome 7, impairments in the cystic fibrosis transmembrane conductance regulator CFTR gene are destructive for fertility in cystic fibrosis, when spermatic ducts undergo complete obstruction. This problem was not previously analyzed in such a form. Alongside karyotype abnormalities AZF microdeletions are the reason of spermatogenic failure. Amongst AZF genes, the deleted in azoospermia DAZ gene family is reported as most frequently deleted AZF. Screening of AZF microdeletions is useful in explaining idiopathic cases of male infertility as well as in genetic consulting prior to assisted reproduction. Based on the current state of research we answer the following questions: (1) How do environmental stressors lessen the quality of sperm and reduce male fertility; (2) which chemical elements induce oxidative stress and immunogenetic changes in the male reproductive system; (3) how do polymorphisms correlate with changes in reproductive potential and pro-antioxidative mechanisms as markers of pathophysiological disturbances of the male reproductive condition; (4) how do environmental stressors of immunogenetic disorders accompany male infertility and responses; and (5) what is the distribution and prevalence of environmental and genetic risk factors.
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Affiliation(s)
- Piotr Kamiński
- Department of Biotechnology, Institute of Biological Sciences, University of Zielona Góra, Prof. Szafran St. 1, PL 65-516 Zielona Góra, Poland
- Department of Ecology and Environmental Protection, Department of Medical Biology and Biochemistry, Collegium Medicum in Bydgoszcz, Faculty of Medicine, Nicolaus Copernicus University in Toruń, M. Skłodowska-Curie St. 9, PL 85-094 Bydgoszcz, Poland;
- Correspondence:
| | - Jędrzej Baszyński
- Department of Ecology and Environmental Protection, Department of Medical Biology and Biochemistry, Collegium Medicum in Bydgoszcz, Faculty of Medicine, Nicolaus Copernicus University in Toruń, M. Skłodowska-Curie St. 9, PL 85-094 Bydgoszcz, Poland;
| | - Izabela Jerzak
- Department of Pharmacology and Toxicology, Collegium Medicum, University of Zielona Góra, Zyta St. 28, PL 65-046 Zielona Góra, Poland;
| | - Brendan P. Kavanagh
- RCSI Biology, Royal College of Surgeons in Ireland, 123 St. Stephen’s Green, Dublin 2, Ireland;
| | - Ewa Nowacka-Chiari
- Department of Sport Promotion, Institute of Biological Sciences, University of Zielona Góra, Prof. Szafran St. 1, PL 65-516 Zielona Góra, Poland;
| | - Mateusz Polanin
- Karol Marcinkowski University Hospital in Zielona Góra, Zyta St. 26, PL 65-045 Zielona Góra, Poland;
| | - Marek Szymański
- Female Pathology and Oncological Gynecology, Department of Obstetrics, Faculty of Medicine, University Hospital No. 2, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Ujejski St. 75, PL 85-168 Bydgoszcz, Poland;
- NZOZ Medical Center Co. Prof. dr. hab. med. Wiesław Szymański, Dr. hab. med. Marek Szymański, Waleniowa St. 24, PL 85-435 Bydgoszcz, Poland
| | - Alina Woźniak
- Department of Medical Biology and Biochemistry, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Karłowicz St. 24, PL 85-092 Bydgoszcz, Poland;
| | - Wojciech Kozera
- Department of Agricultural Chemistry, Faculty of Agriculture and Biotechnology, UTP University of Science and Technology in Bydgoszcz, Seminaryjna St. 5, PL 85-326 Bydgoszcz, Poland;
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Kimura A, Hishimoto A, Otsuka I, Okazaki S, Boku S, Horai T, Izumi T, Takahashi M, Ueno Y, Shirakawa O, Sora I. Loss of chromosome Y in blood, but not in brain, of suicide completers. PLoS One 2018; 13:e0190667. [PMID: 29300758 PMCID: PMC5754120 DOI: 10.1371/journal.pone.0190667] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 12/19/2017] [Indexed: 11/21/2022] Open
Abstract
Men have a higher rate of completed suicide than women, which suggests that sex chromosome abnormalities may be related to the pathophysiology of suicide. Recent studies have found an aberrant loss of chromosome Y (LOY) in various diseases; however, no study has investigated whether there is an association between LOY and suicide. The purpose of this study was to determine whether LOY occurs in men who completed suicide. Our study consisted of 286 male Japanese subjects comprised of 140 suicide completers without severe physical illness (130 post-mortem samples of peripheral blood and 10 brains) and 146 age-matched control subjects (130 peripheral blood samples from healthy individuals and 16 post-mortem brains). LOY was measured as the chromosome Y/chromosome X ratio of the fluorescent signal of co-amplified short sequences from the Y-X homologous amelogenin genes (AMELY and AMELX). Regression analyses showed that LOY in the blood of suicide completers was significantly more frequent than that found in controls (odds ratio = 3.50, 95% confidence interval = 1.21–10.10), but not in the dorsolateral prefrontal cortex (DLPFC) region of brain. Normal age-dependent LOY in blood was found in healthy controls (r = -0.353, p < 0.001), which was not seen in suicide completers (r = -0.119, p = 0.177). DLPFC tissue had age-dependent LOY (B = -0.002, p = 0.015), which was independent of phenotype. To our knowledge, this is the first study demonstrating that LOY in blood is associated with suicide completion. In addition, our findings are the first to also indicate that age-dependent LOY may occur not only in blood, but also in specific brain regions.
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Affiliation(s)
- Atsushi Kimura
- Department of Psychiatry, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Akitoyo Hishimoto
- Department of Psychiatry, Kobe University Graduate School of Medicine, Kobe, Japan
- * E-mail:
| | - Ikuo Otsuka
- Department of Psychiatry, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Satoshi Okazaki
- Department of Psychiatry, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Shuken Boku
- Department of Psychiatry, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Tadasu Horai
- Department of Psychiatry, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takeshi Izumi
- Department of Neuropharmacology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Motonori Takahashi
- Division of Legal Medicine, Department of Community Medicine and Social Health Science, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yasuhiro Ueno
- Division of Legal Medicine, Department of Community Medicine and Social Health Science, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Osamu Shirakawa
- Department of Neuropsychiatry, Kindai University Faculty of Medicine, Osaka, Japan
| | - Ichiro Sora
- Department of Psychiatry, Kobe University Graduate School of Medicine, Kobe, Japan
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Richard-Devantoy S, Jollant F, Bouyer-Richard AI, Lhuillier JP, Gorwood P. Homicide and Klinefelter syndrome: a complex interaction. REVISTA BRASILEIRA DE PSIQUIATRIA 2014; 36:153-6. [PMID: 24845117 DOI: 10.1590/1516-4446-2013-1216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2013] [Accepted: 09/10/2013] [Indexed: 11/21/2022]
Abstract
INTRODUCTION Several studies have shown an association between homicide and sexual chromosomal abnormalities, but data are still lacking regarding Klinefelter syndrome. METHODS We retrospectively reviewed two cases of homicide perpetrators who were both diagnosed with Klinefelter syndrome on the basis of a karyotype analysis. A neurocognitive assessment was also performed (MMSE, Frontal Assessment Battery, brain CT, and electroencephalogram). RESULTS Numerous intermediate risk factors of homicide were shared by our two cases, including dispositional (male gender, young age, low socioeconomic status), historical (prior arrest record and past conviction for any offense), contextual (unemployment), and clinical (alcohol abuse). CONCLUSION It is important that clinicians go beyond obvious risk factors, such as chromosomal abnormalities, to pinpoint other meaningful risk factors and potentially facilitate preventive approaches.
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Affiliation(s)
- Stéphane Richard-Devantoy
- McGill Group for Suicide Studies Montréal, Department of Psychiatry & Douglas Mental Health University Institute, McGill University, Québec, Canada
| | - Fabrice Jollant
- McGill Group for Suicide Studies Montréal, Department of Psychiatry & Douglas Mental Health University Institute, McGill University, Québec, Canada
| | | | - Jean-Paul Lhuillier
- Hospital of Psychiatry, Sainte-Gemmes-sur-Loire, Sainte-Gemmes-sur-Loire, France
| | - Philip Gorwood
- INSERM U894, Paris-Descartes University, CMME, Sainte-Anne Hospital, Paris, France
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