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1.
Mol Biol Rep ; 51(1): 588, 2024 Apr 29.
Artigo em Inglês | MEDLINE | ID: mdl-38683237

RESUMO

BACKGROUND: Mechanisms by which varicocele causes infertility are not clear and few studies have reported that some miRNAs show expression alterations in men with varicocele. Recently, sperm promoter methylation of MLH1 has been shown to be higher in men diagnosed with varicocele. This study aimed to assess the potential effects of miR-145, which was determined to target MLH1 mRNA in silico on sperm quality and function in varicocele. METHODS: Sperm miR-145 and MLH1 expressions of six infertile men with varicocele (Group 1), nine idiopathic infertile men (Group 2), and nine fertile men (control group) were analyzed by quantitative PCR. Sperm DNA fragmentation was evaluated by TUNEL and the levels of seminal oxidative damage and total antioxidant capacity were analyzed by ELISA. RESULTS: Our results have shown that sperm expression of miR-145 was decreased in Group 1 compared to Group 2 (P = 0.029). MLH1 expression was significantly higher in Group 2 than the controls (P = 0.048). Total antioxidant level and sperm DNA fragmentations of Group 1 and Group 2 were decreased (P = 0.001 and P = 0.011, respectively). Total antioxidant capacity was positively correlated with sperm concentration (ρ = 0.475, P = 0.019), total sperm count (ρ = 0.427, P = 0.037), motility (ρ = 0.716, P < 0.0001) and normal morphological forms (ρ = 0.613, P = 0.001) and negatively correlated with the seminal oxidative damage (ρ=-0.829, P = 0.042) in varicocele patients. CONCLUSION: This is the first study investigating the expressions of sperm miR-145 and MLH1 in varicocele patients. Further studies are needed to clarify the potential effect of miR-145 on male fertility.


Assuntos
Fragmentação do DNA , Infertilidade Masculina , MicroRNAs , Proteína 1 Homóloga a MutL , Estresse Oxidativo , Espermatozoides , Varicocele , Humanos , Masculino , MicroRNAs/genética , MicroRNAs/metabolismo , Varicocele/genética , Varicocele/metabolismo , Varicocele/patologia , Estresse Oxidativo/genética , Proteína 1 Homóloga a MutL/genética , Proteína 1 Homóloga a MutL/metabolismo , Espermatozoides/metabolismo , Adulto , Infertilidade Masculina/genética , Infertilidade Masculina/metabolismo , Sêmen/metabolismo , Motilidade dos Espermatozoides/genética , Antioxidantes/metabolismo
2.
Andrologia ; 54(5): e14383, 2022 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-35124809

RESUMO

Genetic variants affecting the interaction of FSH-FSHR may negatively affect the male reproductive potential. The aim of this case-control study was to evaluate FSHB c.-211G>T and FSHR c.2039A>G variants in a cohort of infertile men from Central Black Sea Region in Turkey. One hundred and nine infertile men and 50 proven fertile controls were enrolled in the study. Genotyping was assessed by RFLP. The genotype frequencies of FSHB -211G>T and FSHR 2039A>G showed significant variation between infertile and fertile groups (χ2 , p = 0.046, GG vs. GT+TT, and p = 0.008, AA vs. AG+GG). FSHB -211GG was found to be higher in patients with OAT compared to fertile controls (82.3% vs. 64.0%, χ2 , p = 0.028). The distribution of FSHR 2039A>G alleles was different between infertile and fertile men (χ2 , p = 0.005, total infertile vs. fertile groups, p = 0.019, OAT vs. NOA vs. fertile groups). Further analysis showed that the frequencies of FSHR 2039AA wild-type genotype were higher in the oligoasthenoteratozoospermic and non-obstructive azoospermic groups compared with the controls (χ2 , 39.3% vs. 17.0%, p = 0.012, and 37.5% vs. 17.0%, p = 0.025 respectively). Our results showed wild-types of FSHB -211G>T and FSHR 2039A>G variants may cause susceptibility to male infertility in the Central Black Sea Region of Turkey.


Assuntos
Polimorfismo de Nucleotídeo Único , Receptores do FSH , Mar Negro , Estudos de Casos e Controles , Subunidade beta do Hormônio Folículoestimulante/genética , Genótipo , Humanos , Masculino , Receptores do FSH/genética , Turquia/epidemiologia
3.
Andrologia ; 54(1): e14268, 2022 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-34632608

RESUMO

The present study aimed to investigate the clinical role of standard sperm diagnosis parameters (sperm concentration, motility, morphology) as well as aniline blue staining of histones, 8-OHdG, TUNEL assay were performed on semen samples in infertile men with oligoasthenoteratozoospermia (OAT). Thirty-two infertile and ten proven fertile men were included in the study. Chromatin condensation sperm in infertile men was significantly lower compared to the fertile men (p < 0.0001). Age, sperm concentration, morphology and motility were significantly negatively correlated with chromatin condensation (p < 0.05). However, no significant correlations among the chromatin condensation, SDF and sperm DNA damage were detected in terms of 8-OHdG concentration.


Assuntos
Astenozoospermia , Infertilidade Masculina , Oligospermia , Cromatina , Fragmentação do DNA , Humanos , Masculino , Sêmen , Motilidade dos Espermatozoides , Espermatozoides
4.
Andrologia ; 54(5): e14379, 2022 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-35102587

RESUMO

The aim of this study was to evaluate the data currently available on predictors of sperm retrieval (SR) in infertile men with Klinefelter syndrome (KS). The data of infertile patients with KS who were evaluated for primary infertility in the andrology outpatient clinics of six centres were retrospectively reviewed. SR, fertilization and pregnancy rates were evaluated. While SR was achieved with microscopic testicular sperm extraction (mTESE) in 57.7% of the cases, the positive pregnancy rate was 22%. While mosaicism was significantly associated with achieving pregnancy, it was not significant for SR (p = 0.002 and p = 0.136 respectively). However, receiving medical treatment prior to mTESE was a positive factor for both achieving pregnancy (p = 0.010) and successful SR (p = 0.032). Unsurprisingly, fertilization rate was a variable that increased the pregnancy rate (p = 0.001). In addition, total testosterone value correlated with SR (p < 0.001). For patients with KS, pregnancy can be achieved by obtaining sperm through mTESE, especially in those with mosaic karyotype, normal partner fertility, a high fertilization rate and who receive appropriate medical treatment before mTESE.


Assuntos
Azoospermia , Síndrome de Klinefelter , Azoospermia/complicações , Azoospermia/terapia , Feminino , Humanos , Síndrome de Klinefelter/complicações , Masculino , Gravidez , Estudos Retrospectivos , Recuperação Espermática , Espermatozoides , Testículo
5.
Andrologia ; 54(2): e14270, 2022 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-34632603

RESUMO

Androgens, testosterone and dihydrotestosterone (DHT) are endocrine regulators of spermatogenesis and act via androgen receptor (AR). The aim of this study was to investigate the association(s) of AR (CAG repeat length), SRD5A2 (rs523349, V89L) and TNF-α (rs1800629, -308G/A) polymorphisms with idiopathic male infertility in Turkish men. This case-control study consisted of 312 men with idiopathic infertility and 113 fertile men. Polyacrylamide gel electrophoresis (PAGE) or PCR-restriction fragment length polymorphism methods were used for genotyping. The mean AR CAG repeat length was significantly longer in infertile men than in fertile men (p = 0.015). However, there was no significant association between the SRD5A2 genotypes (VV, VL and LL) and the risk of infertility (p = 0.516). The genotype frequency and allele distribution of TNF-α -308G/A polymorphism (GG, GA, AA genotypes and G, A alleles) were not associated with male infertility (p = 0.779 and p = 0.743 respectively). AR CAG repeat expansion might be one of the risk factors for idiopathic male infertility in Turkish men. Further studies investigating the association of male infertility with AR CAG, V89L and -308G/A polymorphisms are warranted to understand the possible associations among them.


Assuntos
Androgênios , Infertilidade Masculina , 3-Oxo-5-alfa-Esteroide 4-Desidrogenase/genética , Estudos de Casos e Controles , Humanos , Infertilidade Masculina/genética , Masculino , Proteínas de Membrana , Polimorfismo Genético , Receptores Androgênicos/genética , Espermatogênese/genética , Repetições de Trinucleotídeos
6.
J Assist Reprod Genet ; 39(12): 2799-2810, 2022 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-36251127

RESUMO

PURPOSE: Sex chromosome abnormalities are associated with male infertility. The aim of this study was to characterize the clinical, cytogenetic, and molecular findings of 12 infertile men with isodicentric Y-chromosome [idic(Y)] abnormalities diagnosed over a period of 13 years. MATERIALS AND METHODS: Chromosomal analyses of peripheral blood samples were done using standard procedures. Fluorescence in situ hybridization (FISH) analysis was performed on metaphase spreads of the patients. Multiplex polymerase chain reaction (PCR) using several sequence-tagged site (STS) primer sets within the long arm of Y-chromosome was used to detect AZF deletions.The breakpoints and copy number variations (CNV) were identified by array comparative genomic hybridization analysis (aCGH) analysis.The short-stature homeobox (SHOX) gene deletions were verified using multiplex ligation-dependent probe amplification (MLPA) analysis. RESULTS: Twelve infertile men were diagnosed cytogenetically with idic(Y). The karyotypes of two of the patients were non-mosaic, and the remaining karyotypes showed various degrees of mosaicism. SHOX gene deletion was found in two of the four patients with short stature, and the remaining two patients had shown a 45,X dominant cell line (33.3%). The most common breakpoints for idic(Yq) and idic(Yp) were found to be in Yq11.222 and Yp11.32, respectively. Semen analysis of ten patients (83.3%) demonstrated azoospermia, and the remaining two patients (16.7%) showed severe oligoasthenoteratozoospermia (OAT). In total, 33% (4/12) of idic(Y) patients with or without microsurgical testicular sperm extraction (microTESE) had sperm retrieval. CONCLUSIONS: Twelve patients with idic(Y) and different breakpoints of Y-chromosome were characterized using multiple detection strategies. Sperm retrieval outcomes of patients either with idic(Yp) or idic(Yq) showed the possibility to find sperm by microTESE.


Assuntos
Azoospermia , Infertilidade Masculina , Humanos , Masculino , Azoospermia/genética , Recuperação Espermática , Hibridização in Situ Fluorescente , Hibridização Genômica Comparativa , Variações do Número de Cópias de DNA , Cromossomos Humanos Y/genética , Sêmen , Infertilidade Masculina/genética , Mosaicismo , Aberrações dos Cromossomos Sexuais , Deleção Cromossômica
7.
Int J Clin Pract ; 75(10): e14611, 2021 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-34235836

RESUMO

AIMS: To our knowledge, this is the first study investigating the impact of high visceral adiposity index (VAI) on female sexual dysfunction (FSD). We aimed to show the impact of increased levels of VAI on FSD compared with body mass index (BMI) and waist circumference (WC) particularly in those with metabolic syndrome (MeTS). METHODS: We included 158 participants in two groups: Group 1 (n = 68 with normal sexual function) and Group 2 (n = 90 with sexual dysfunction). Demographic, clinic data, presence of MeTS and comorbidities were recorded. The BMI, WC and the VAI were calculated. Sexual function was assessed using the female sexual function index. RESULTS: The mean age and all the anthropometric variables were similar between the groups (P > .05). MeTS was associated with lower arousal and lubrication scores than those without MeTS (P = .023). The higher VAI was associated with lower desire, lubrication and orgasm scores (P < .05). Each integer increase of the VAI weakly predicted decrease of desire (P = .015), arousal (P = .015), lubrication (P = .005) and satisfaction (P = .046). The WC and BMI were not a good predictor for FSD in women (OR=1.019, P = .318). CONCLUSION: The VAI was linked with lower scores in some female sexual function subdomains, but the correlation coefficient was low, indicating a weak association. Further studies with a higher number of participants are needed to conclude that the VAI may increase the risk of FSD, particularly in patients with MeTS.


Assuntos
Adiposidade , Obesidade Abdominal , Índice de Massa Corporal , Estudos Transversais , Feminino , Humanos , Obesidade Abdominal/complicações , Obesidade Abdominal/epidemiologia , Circunferência da Cintura
8.
Int J Clin Pract ; 75(8): e14294, 2021 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-33928735

RESUMO

AIMS: We aimed to investigate fertilisation rates, quality of embryo, pregnancy and live birth rates, endocrine, sexual function, psychological status and quality of life of cases diagnosed with Klinefelter syndrome (KS). METHODS: Clinical findings, hormone values and semen analyses in patients with nonmosaic KS (Group 1, n = 121) and those with non-genetic nonobstructive azoospermia (NOA) (Group 2, n = 178) were retrospectively analysed. Sperm retrieval outcomes with microdissection testicular sperm extraction (micro-TESE), fertilisation rates and embryo quality, pregnancy, abortion and live birth rates were compared. Sexual functions were assessed using IIEF-15, quality of life was evaluated and psychological status was assessed. RESULTS: There was no difference in terms of age between groups. Sperm retrieval rates was 38% and 55.6% in Groups 1 and 2, respectively (P = .012). Sperm retrieval rates were higher in Group 1 before 31.5 years than in Group 2 (AUC = 0.620 and 0.578). Compared to Group 2, the fertilisation rate was low in Group 1, whereas embryo quality was similar. Live birth rates were 12.5% and 23% in Groups 1 and 2, respectively (P = .392). The education level, libido, erectile functions and general health satisfaction were lower in Group 1 than in Group 2 (P < .005). Depression and anxiety levels were higher in Group 2 than Group 1 (P < .001). CONCLUSION: Higher sperm retrieval rate has been achieved in Group 1 younger than 31.5 years. Similar embryo quality is provided between groups. Sexual dysfunction and psychiatric problems were higher in Group 1, with lower satisfaction and general health than Group 2. Patients with KS should be monitored not only with their reproductive functions but also with their general health status.


Assuntos
Azoospermia , Síndrome de Klinefelter , Feminino , Humanos , Masculino , Gravidez , Qualidade de Vida , Estudos Retrospectivos , Injeções de Esperma Intracitoplásmicas
9.
Int J Clin Pract ; 75(6): e14111, 2021 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-33621419

RESUMO

AIMS: Erectile dysfunction (ED) is a common condition affected by many factors. We aimed to show the impact of the metabolic syndrome (MeTS) on male sexual function based on visceral adiposity index (VAI). METHODS: Participants who met MeTS criteria (Group 1, n = 96) and did not meet MeTS criteria (Group 2, n = 189) were included in this cross-sectional study. The MeTS diagnosis was made in the presence of at least 3 of the following criteria: fasting serum glucose level higher than 100 mg/dL, HDL cholesterol level below 40 mg/dL, triglyceride level higher than 150 mg/dL, waist circumference higher than 102 cm and blood pressure higher than 130/85 mmHg. Demographic data were recorded; biochemical and hormonal tests were measured. Erectile and other sexual function scores were recorded. The VAI was calculated using the [(Waist Circumference/39.68) + (1.88 × body mass index)] × triglyceride/1.03 × 1.31/HDL formula. RESULTS: Mean age, smoking volume, testosterone (T) and testosterone/estradiol (T/E2 ) ratios of the groups were similar (P > .05). The mean VAI was two-fold higher in patients in Group 1 (P < .001) and erectile function score was lower in Group 1 than Group 2 (P = .001). Other sexual function scores were similar (P > .05). The METS was associated with an increased risk of ED (P = .001). Logistic regression analysis showed that each integer increase in the VAI was associated with a 1.4-fold increased risk of ED (P < .001). Higher T values were associated with a better erectile function (P = .03). For the VAI = 4.33, receiver-operating characteristic analysis showed a sensitivity of 89.6% and specificity of 57.7%. CONCLUSION: Compared with non-MeTS, the presence of MeTS has emerged as a risk factor for patients with ED with high VAI levels while the other sexual functions are preserved. Management of ED patients with MeTS should cover a comprehensive metabolic and endocrinological evaluation in addition to andrological work up.


Assuntos
Disfunção Erétil , Síndrome Metabólica , Adiposidade , Índice de Massa Corporal , Estudos Transversais , Disfunção Erétil/etiologia , Humanos , Gordura Intra-Abdominal , Masculino , Síndrome Metabólica/complicações , Fatores de Risco , Circunferência da Cintura
10.
Andrologia ; 53(2): e13925, 2021 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-33355950

RESUMO

The aim of the study was to investigate whether the promoter methylation of XRCC1 and ERCC2 genes is associated with sperm DNA fragmentation and chromatin condensation in idiopathic oligoasthenoteratozoospermic men. This study involved 77 infertile men with idiopathic oligoasthenoteratozoospermia and 51 normozoospermic controls. The methylight method, TUNEL assay and aniline blue staining were used for the evaluation of XRCC1 and ERCC2 genes' methylation, SDF and sperm chromatin condensation, respectively. SDF (p = .004) and XRCC1 methylation (p = .0056) were found to be significantly higher in men with idiopathic OAT than in the controls, while mature spermatozoa frequency was higher in controls as compared to infertile men (p < .0001). No significant association was found between SDF and methylation of XRCC1 and ERCC2 genes (p = .9277 and p = .8257, respectively). However, compared to the cut-off point obtained by receiver operating characteristic analysis, a significant association was found between SDF and XRCC1 methylation, positive and negative methylation groups, generated according to the cut-off value for XRCC1. XRCC1 methylation was found to have a significant effect on chromatin condensation (p = .0017). No significant difference was detected among ERCC2 methylation, male infertility and SDF. In conclusion, XRCC1 methylation may have a role in sperm chromatin condensation and idiopathic OAT.


Assuntos
Cromatina , Fragmentação do DNA , Infertilidade Masculina , Regiões Promotoras Genéticas , Cromatina/genética , Cromatina/metabolismo , Metilação de DNA , Humanos , Infertilidade Masculina/genética , Infertilidade Masculina/metabolismo , Masculino , Metilação , Espermatozoides/metabolismo , Proteína 1 Complementadora Cruzada de Reparo de Raio-X/genética , Proteína Grupo D do Xeroderma Pigmentoso/genética , Proteína Grupo D do Xeroderma Pigmentoso/metabolismo
11.
Andrologia ; 53(2): e13942, 2021 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-33372270

RESUMO

Errors of folate/homocysteine pathways which are critical for transferring methyl groups have been suggested to affect male fertility. We aimed to evaluate the methylation patterns of the promoter of methylenetetrahydrofolate reductase (MTHFR) gene in infertile males and to investigate the association between MTHFR promoter methylation and success of sperm retrieval. Thirty-five nonobstructive azoospermic and 46 severe oligozoospermic patients constituted the study group and were compared with 49 fertile and/or normozoospermic men. The methylation status was analysed by methylation-specific polymerase chain reaction. MTHFR promoter methylation was detected in infertile men with NOA and SO in the ratio of 48.6% and 58.7%, respectively. Methylation was also observed in 51% of controls. MTHFR promoter was methylated in 65% of men with viable spermatozoon during TESE. No association was found regarding to the profile of MTHFR promoter methylation between both NOA and SO patients and controls (p = .621). There was no relation between the methylation status of MTHFR promoter and low motility and poor morphology (p = .682 and p = .413, respectively). No association was found between MTHFR promoter methylation and presence of viable spermatozoa (p = .382). Our data indicate that the promoter methylation of MTHFR gene may not be associated with male infertility.


Assuntos
Metilação de DNA , Infertilidade Masculina , Metilenotetra-Hidrofolato Redutase (NADPH2) , Regiões Promotoras Genéticas , Humanos , Infertilidade Masculina/genética , Infertilidade Masculina/metabolismo , Masculino , Metilenotetra-Hidrofolato Redutase (NADPH2)/genética , Espermatozoides/metabolismo
12.
Andrologia ; 53(1): e13840, 2021 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-33108820

RESUMO

Prostate-specific membrane antigen (PSMA) is a transmembrane glycoprotein with glutamate carboxypeptidase activity. However, its precise function in the prostate, prostasomes and seminal plasma with regard to male fertility remains unknown. This study was conducted to investigate the seminal plasma PSMA levels in fertile men and patients with oligoasthenoteratozoospermia (OAT) and to analyse its association with sperm parameters. Twenty fertile men and twenty patients admitted at the urology clinic of our institution with the diagnosis of OAT were included in the study. Following semen analysis, seminal plasma was isolated from semen ejaculates. PSMA concentrations in the seminal plasma were determined by ELISA. The correlations between seminal PSMA concentrations and semen parameters were statistically analysed. Seminal plasma PSMA concentration was significantly lower in OAT patients compared to fertile controls (p < .01). In fertile men, PSMA concentration was significantly correlated with the sperm concentration (r = -.481, p < .05), whereas in the patient group no statistically significant correlation was found between the sperm parameters and seminal PSMA level. This is the first study in the literature to investigate PSMA levels in the seminal plasma from infertile men. Decreased levels of seminal plasma PSMA might suggest a role for compromised prostasome function in the pathogenesis of OAT syndrome.


Assuntos
Infertilidade Masculina , Sêmen , Humanos , Masculino , Próstata , Análise do Sêmen , Contagem de Espermatozoides , Motilidade dos Espermatozoides , Espermatozoides
13.
Andrologia ; 53(1): e13827, 2021 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-33112435

RESUMO

To investigate the semiquantitative methylation alterations of MLH1 and MSH2 and the possible association among methylation of MLH1 and MSH2, sperm DNA fragmentation and sperm chromatin condensation in idiopathic oligoasthenoteratozoospermic men. Seventy-five idiopathic infertile men and 52 fertile and/or normozoospermic men were included in the study. SDF was analysed using the TUNEL assay in semen samples of 100 men. Promoter methylation of MLH1 and MSH2 genes was assessed by semiquantitative methylight analysis in semen samples of 39 and 40 men respectively. Sperm chromatin condensation was evaluated using aniline blue staining in 114 men. MLH1 promoter methylation was positively correlated with the percentage of aniline blue positive spermatozoa (r = 0.401, p = 0.0188). On the other hand, MSH2 promoter methylation was negatively correlated with sperm concentration and total sperm count (r = -0.421, p = 0.0068 and r = 0.4408, p = 0.009 respectively). The percentage of aniline blue positive spermatozoa in the control group was significantly lower than in the OAT group (p < 0.0001) and negatively correlated with total sperm count (r = -0.683, p < 0.0001), progressive sperm motility (r = -0.628, p < 0.0001), total motility (r = -0.639, p < 0.0001) and normal morphology (r = -0.668, p < 0.0001). Promoter methylation profile of MLH1 and MSH2 genes may play role on sperm DNA packaging and conventional semen parameters respectively.


Assuntos
Cromatina , Infertilidade Masculina , Cromatina/genética , Fragmentação do DNA , Humanos , Infertilidade Masculina/genética , Masculino , Metilação , Proteína 1 Homóloga a MutL/genética , Proteína 2 Homóloga a MutS/genética , Motilidade dos Espermatozoides , Espermatozoides
14.
J Sex Med ; 17(10): 1926-1933, 2020 10.
Artigo em Inglês | MEDLINE | ID: mdl-32712095

RESUMO

BACKGROUND: To our knowledge, there is no study in the literature that has investigated a cutoff value of the visceral adiposity index (VAI) for erectile dysfunction (ED) in men. AIM: To show a possible relationship between ED and VAI levels representing adipose tissue dysfunction and to identify a cutoff value of the VAI for ED. METHODS: This prospective cross-sectional study included 276 participants in 5 groups: non-ED, mild ED, mild-moderate ED, moderate ED, and severe ED. The VAI was calculated. Fasting glucose, triglyceride, high-density lipoprotein, testosterone (T), prolactin, and estradiol were measured. Erectile function, sexual satisfaction, orgasm, desire, and general satisfaction scores were recorded using the International Index of Erectile Dysfunction 1-15 questionnaire. The participants were divided into BMI1 (<25.0), BMI2 (25-29.9), and BMI3 (>30.0) categories based on body mass index (BMI) and WC1 (<94 cm), WC2 (94-102 cm), and WC3 (>102 cm) categories based on waist circumference (WC). OUTCOMES: The VAI was investigated as an independent risk factor for ED, compared with BMI and WC. RESULTS: The median VAI progressively increased, but a marked increase was recorded in groups 4 and 5 (P = .001). A significant increase in ED was observed for a VAI score higher than 4.33 (P = .001). Each integer increase of the VAI was associated with a 1.3-fold increased risk of ED. The odds ratio of ED for the VAI = 4.33 was 4.4 (P < .001). The WC and BMI significantly increased as the degree of ED increased (P = .001), but statistical analysis showed a significant decrease only in moderate and severe ED groups (P < .05). Starting from non-ED patients, serum triglyceride increased and high-density lipoprotein decreased progressively in all ED groups (P = .001). T/E2 slightly reduced as the severity of ED increased (P > .05). T decreased in ED groups (P = .022). Regardless of the ED level, other sexual subdomains decreased in ED patients (P = .001). The ED rates in 3 increasing BMI and WC categories were similar (P > .05). For VAI = 4.33, BMI ≥ 30.0 kg/m2, and WC > 102 cm, sensitivity and specificity were 61.2% and 73.8%, 31.6% and 90.5%, and 54.3% and 69.0%, respectively. CLINICAL IMPLICATIONS: The VAI should be considered as a reliable independent risk factor for ED as a predictor of visceral adipose dysfunction. STRENGTHS & LIMITATIONS: The main strength is that this is the first study to investigate the association between the VAI and sexual dysfunction in men. The low number of participants is the limiting factor. CONCLUSION: The findings suggest that the VAI can be used as a reliable independent risk factor marker for ED as a predictor of visceral adipose dysfunction. Bolat MS, Kocamanoglu F, Ozbek ML, et al. Can High Visceral Adiposity Index Be a Risk Factor for Sexual Dysfunction in Sexually Active Men? J Sex Med 2020;17:1926-1933.


Assuntos
Adiposidade , Gordura Intra-Abdominal , Disfunções Sexuais Fisiológicas , Índice de Massa Corporal , Estudos Transversais , Humanos , Gordura Intra-Abdominal/metabolismo , Masculino , Estudos Prospectivos , Fatores de Risco , Disfunções Sexuais Fisiológicas/etiologia , Circunferência da Cintura
15.
Xenobiotica ; 50(3): 363-370, 2020 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-31070506

RESUMO

1. Glutathione S-transferases (GST) and cytochrome P450s (CYPs) are xenobiotic metabolizing enzymes participating in the protection of cell. The present study aimed to investigate the relationship between polymorphisms of glutathione S-transferase M1 (GSTM1) null, glutathione S-transferase T1 (GSTT1) null, glutathione S-transferase P1 (GSTP1) Ile105Val, cytochrome P450 1A2 (CYP1A2) 734 C→A, cytochrome P450 2D6 (CYP2D6) 1934 G→A and male infertility.2. A total of 306 azoospermic or oligozoospermic infertile men and 129 normozoospermic or fertile controls were enrolled in the study. Multiplex polymerase chain reaction (PCR) or PCR-restriction fragment length polymorphism methods were used for genotyping. There was a significant relationship between male infertility and CYP2D6 GG genotype (p < 0.001). CYP1A2 AA genotype was slightly higher in the infertile group (p = 0.056).3. There was no association between GSTT1 null polymorphisms and male infertility (p = 0.068), GSTM1 null (p = 0.843) and GSTP1 Ile105Val (p = 0.192) genes. GSTM1 null genotype frequency was higher in azoospermic men (p = 0.009). Men carrying CYP1A2 AA genotype had higher risk of infertility risk (OR = 3.14; %95 CI = 1.16-8.54) in the smoker group.4. Our results demonstrated that polymorphisms of CYP2D6 and CYP1A2 may play a role in idiopathic male infertility in our sample population.


Assuntos
Infertilidade Masculina/genética , Xenobióticos/metabolismo , Adulto , Citocromo P-450 CYP1A2/genética , Citocromo P-450 CYP2D6/genética , Sistema Enzimático do Citocromo P-450/genética , Glutationa Transferase/genética , Humanos , Inativação Metabólica/genética , Masculino , Polimorfismo de Nucleotídeo Único
16.
Andrologia ; 52(11): e13739, 2020 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-32882067

RESUMO

46,XX testicular disorder of sex development (46,XX TDSD) is a relatively rare condition characterised by the presence of testicular tissue with 46,XX karyotype. The present study aims to reveal the phenotype to genotype correlation in a series of sex-determining region Y (SRY)-positive 46,XX TDSD cases. We present the clinical findings, hormone profiles and genetic test results of six patients with SRY-positive 46,XX TDSD and give the details and follow-up findings of our three of previously published patients. All patients presented common characteristics such as azoospermia, hypergonadotropic hypogonadism and an SRY gene translocated on the terminal part of the short arm of one of the X chromosomes. Mean ± standard deviation (SD) height of the patients was 164.78 ± 8.0 cm. Five patients had decreased secondary sexual characteristics, and three patients had gynaecomastia with varying degrees. Five of the seven patients revealed a translocation between protein kinase X (PRKX) and inverted protein kinase Y (PRKY) genes, and the remaining two patients showed a translocation between the pseudoautosomal region 1 (PAR1) of X chromosome and the differential region of Y chromosome. X chromosome inactivation (XCI) analysis results demonstrated random and skewed XCI in 5 cases and 1 case, respectively. In brief, we delineate the phenotypic spectrum of patients with SRY-positive 46,XX TDSD and the underlying mechanisms of Xp;Yp translocations.


Assuntos
Genes sry , Doenças Testiculares , Genes sry/genética , Humanos , Cariotipagem , Masculino , Fenótipo , Translocação Genética
17.
J Sex Med ; 16(7): 1092-1099, 2019 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-31155387

RESUMO

INTRODUCTION: No study has compared surgical outcomes and couples' satisfaction among the 3 types of implants, with all brands available on the markets. AIMS: To compare long-term complications, mechanical reliability, and couples' satisfaction with penile implant types and brands in patients who underwent penile prosthesis implantation. We also investigated whether there are risk factors that might predict couples' dissatisfaction. METHODS: This retrospective study included 883 patients with erectile dysfunction who underwent penile prosthesis implantation. Of the patients, 349 had malleable penile implant, 26 had 2-piece implants, and 508 had 3-piece implants. MAIN OUTCOME MEASURE: Couples' satisfaction after surgery was evaluated with the modified Erectile Dysfunction Inventory of Treatment Satisfaction questionnaire. Surgical outcomes, mechanical reliability, and couples' satisfaction were compared according to type and brand of the penile implants in all patients. RESULTS: The mean age and follow-up period of the patients were 57.74 ± 9.59 years and 67.81 ± 49.11 months, respectively. The couples' satisfaction rates were significantly higher in the 3-piece implant group than in the malleable group (P < .001), but there was no significant difference between the 2-piece and 3-piece implant groups. There was no difference in terms of couples' satisfaction according to the brand of the implants. Of the patients who had malleable implants, 27 (7.7%) underwent 3-piece penile prosthesis implantation due to dissatisfaction; however, only 1 (0.2%) of the patients with a 3-piece implant was switched to a malleable implant (P < .001). The highest rate of revision surgery due to penile corporal perforation was in the malleable group (2.6%), whereas the highest rate of revision surgery due to penile implant malfunction occurred in the 3-piece implant group (5.5%) (P = .021 and .001, respectively). To analyze risk factors, using multivariate analysis, presence of complication was the only predictor that might cause couples' dissatisfaction (P = .003). CONCLUSIONS: 3-piece and 2-piece implants have higher couples' satisfaction rates than the malleable implant. Brands of implants did not have any effect on the couples' satisfaction. Regarding detail of the complications, the 3-piece implant has a lower rate of penile corporal perforation and a higher rate of penile implant malfunction than the malleable implant. Patients with erectile dysfunction who need a penile implant should be informed about surgical outcomes, brands, and types of penile implants. Prosthesis choice should be customized to individual patient's expectations/conditions and tailored accordingly. Çayan S, Asci R, Efesoy O, et al. Comparison of Long-Term Results and Couples' Satisfaction with Penile Implant Types and Brands: Lessons Learned From 883 Patients With Erectile Dysfunction Who Underwent Penile Prosthesis Implantation. J Sex Med 2019;16:1092-1099.


Assuntos
Disfunção Erétil/cirurgia , Implante Peniano/métodos , Prótese de Pênis , Pênis/cirurgia , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Satisfação do Paciente , Satisfação Pessoal , Reprodutibilidade dos Testes , Estudos Retrospectivos , Inquéritos e Questionários , Resultado do Tratamento , Adulto Jovem
18.
Andrologia ; 51(7): e13308, 2019 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-31095775

RESUMO

The purpose of the study was to investigate whether the promoter methylation status of BRCA1 and BRCA2 DNA repair genes is associated with sperm DNA fragmentation (sDF) in infertile men with oligoasthenoteratozoospermia (OAT) which emerges due to various reasons and is effective in male infertility. Seventy-three infertile men with OAT and 20 normozoospermic volunteers participated in the study. To investigate sDF and methylation patterns of BRCA1 and BRCA2 gene promoters, TUNEL assay and methylation-specific PCR (MS-PCR) were used. The mean sDF ratio for the patients was calculated as 22.50%. The calculated cut-off value for sDF ratio was 17.0% in ROC curve analysis. Regarding sDF, a significant difference between the normozoospermic group and the OAT group with abnormal semen parameters (p < 0.001) was found. sDF demonstrated a significant effect on the semen parameters and negative correlations on sDF ratios and sperm motility, concentration and morphology. There was no statistically significant association between sDF and the methylation status of the promoter of either BRCA1 or BRCA2 genes. In routine clinical practice, sperm DNA integrity should be investigated before applying assisted reproductive techniques. To understand better the relationship between epigenetic regulation of DNA repair genes and male infertility, additional studies are required.


Assuntos
Proteína BRCA1/genética , Proteína BRCA2/genética , Fragmentação do DNA , Metilação de DNA , Oligospermia/genética , Adulto , Epigênese Genética , Humanos , Masculino , Oligospermia/patologia , Regiões Promotoras Genéticas/genética , Motilidade dos Espermatozoides/genética , Espermatozoides/patologia , Adulto Jovem
19.
Andrologia ; 51(4): e13234, 2019 May.
Artigo em Inglês | MEDLINE | ID: mdl-30689241

RESUMO

Impacts of a subinguinal microsurgical varicocelectomy on the sperm parameters and fertility rates were investigated in three different ages according to their age at the time of the varicocelectomy: Group 1 was ≤20 years old, Group 2 was 21-30 years old, and Group 3 was ≥31 years old. The patients were also classified both preoperatively and post-operatively according to the total motile sperm count (TMSC) into the following categories: invitro fertilisation, intrauterine insemination and naturally fertile. The proportion of patients who upgraded to a higher TMSC category level was calculated, and natural fertility rates were recorded. The mean infertility duration was statistically longer in Group 3, compared to Group 1 and 2. The mean TMSCs and normal sperm morphology rates increased in all groups. The mean post-operative natural fertility rates were similar. The highest rate of TMSC upgrade was observed in Grade 3 varicocele patients under 20 years of age, compared to other grades of varicocele in patients older than 20 years. A microsurgical subinguinal varicocele repair, which is an effective treatment modality reduces the need for any type of ART, has an important impact on the TMSC increase in patients, particularly in the younger population.


Assuntos
Fertilidade/fisiologia , Infertilidade Masculina/prevenção & controle , Microcirurgia/métodos , Varicocele/cirurgia , Procedimentos Cirúrgicos Vasculares/métodos , Adulto , Fatores Etários , Humanos , Infertilidade Masculina/etiologia , Masculino , Período Pós-Operatório , Estudos Prospectivos , Estudos Retrospectivos , Contagem de Espermatozoides , Motilidade dos Espermatozoides/fisiologia , Fatores de Tempo , Resultado do Tratamento , Varicocele/complicações , Adulto Jovem
20.
Andrologia ; 51(11): e13402, 2019 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-31650616

RESUMO

The present study investigated the frequency of chromosome aberrations and AZF microdeletions in infertile patients with nonobstructive azoospermia (NOA) or severe oligozoospermia. Additionally, the effect of the AZFc microdeletions on the success of microdissection testicular sperm extraction (microTESE) and intracytoplasmic sperm injection (ICSI) methods were evaluated. Peripheral blood samples were received from 1,300 infertile men with NOA and severe oligozoospermia. Karyotyping and FISH analysis were performed according to standard methods. AZF microdeletions were analysed using multiplex polymerase chain reaction or GML Y-chromosome Microdeletion Detection System consisting of 14 markers. The chromosomal aberrations and the AZF microdeletions frequency among 1,300 infertile men were 10.6% and 4.0% respectively. Either ejaculated spermatozoa or microTESE was performed on only in 19 out of 26 patients with AZFc deletions. Of the 19 patients, four had severe oligozoospermia and 15 had NOA. In eight out of 15 NOA patients, testicular mature spermatozoa were obtained (53.3%) and then ICSI was applied to mature oocytes. After undergoing ICSI treatment, clinical pregnancy and live birth outcome rates were found to be 37.5% and 25% respectively. These results suggest that infertile patients with AZFc microdeletion could achieve successful fertilisation pregnancies with the help of assisted reproductive technology.


Assuntos
Azoospermia/genética , Cromossomos Humanos Y , Deleção de Sequência , Adulto , Estudos de Casos e Controles , Aberrações Cromossômicas , Humanos , Masculino , Pessoa de Meia-Idade , Injeções de Esperma Intracitoplásmicas/estatística & dados numéricos , Recuperação Espermática/estatística & dados numéricos , Resultado do Tratamento , Adulto Jovem
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