Taymour Mostafa
A5055593012- Sperm and Testicular Function
- Sexual function and dysfunction studies
- Hormonal and reproductive studies
- Reproductive Biology and Fertility
- Sexual Differentiation and Disorders
- Reproductive Health and Technologies
- Ovarian function and disorders
- Sexuality, Behavior, and Technology
- Male Reproductive Health Studies
- Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
- Selenium in Biological Systems
- Heme Oxygenase-1 and Carbon Monoxide
- Urinary Bladder and Prostate Research
- Urological Disorders and Treatments
- Urologic and reproductive health conditions
- Cannabis and Cannabinoid Research
- Testicular diseases and treatments
- Genital Health and Disease
- Neuroscience of respiration and sleep
- Neonatal Health and Biochemistry
- Reproductive System and Pregnancy
- Reproductive Health and Contraception
- Reproductive biology and impacts on aquatic species
- Hepatitis B Virus Studies
- Pelvic floor disorders treatments
Cairo University
2016-2025
Tanta University
2019
Menoufia University
2018
Medical College of Wisconsin
2014
Alexandria University
2012
King Saud University
2011
Several theories have been advanced to explain the mechanisms by which varicocele impairs male fertility. These include scrotal hyperthermia, retrograde flow of adrenal or renal metabolites, Leydig cell dysfunction and hypoxia. Varicocele is reported be associated with elevated reactive oxygen species (ROS) production in spermatozoa diminished seminal plasma antioxidant activity. The aim this study was investigate whether surgical correction might reduce ROS increase capacity from infertile...
The aim of this study was to assess seminal reactive oxygen species (ROS)-antioxidants relationship in fertile and infertile men with without varicocele. One hundred seventy six males were studied; healthy volunteers (n = 45), varicocele oligoasthenozoospermia (OA, n 44) OA 42). In their plasma, two ROS parameters (malondialdehyde, hydrogen peroxide) five antioxidants (superoxide dismutase, catalase, glutathione peroxidase, vitaminE, vitaminC) estimated. Compared men, all other studied...
This work aimed to assess the relationship of seminal ascorbic acid levels with smoking in infertile males. One hundred and seventy men were divided into four groups: nonobstructive azoospermia [NOA: smokers (n = 20), nonsmokers 20)]; oligoasthenozoospermia [smokers 30), asthenozoospermia 20)] normozoospermic fertile 20)]. The patients underwent medical history, clinical examination, conventional semen analysis estimation plasma calorimetrically. There was a significant decrease mean versus...
Numerous studies have identified specific body systems affected by the hazardous effects of cigarette smoking particularly respiratory and cardiovascular systems. The effect on male reproduction has also been studied where semen quality was investigated in different cross-sectional including infertile patients with conflicting results. This article aimed to assess relationship between infertility. A review published articles carried out, using PubMed, medical subject heading (MSH) databases...
Use of cellular phones emitting radiofrequency electromagnetic field (RF-EMF) has been increased exponentially and become a part everyday life. This study aimed to investigate the effects in vitro RF-EMF exposure emitted from on sperm motility index, DNA fragmentation seminal clusterin (CLU) gene expression. In this prospective study, total 124 semen samples were grouped into following main categories: i. normozoospermia (N, n=26), ii. asthenozoospermia (A, n=32), iii....
Aim . This study aimed to assess seminal miRNA relationship with apoptotic markers and oxidative stress (OS) in infertile men associated varicocele (Vx). Methods In all, 220 subjects were divided into the following groups: fertile normozoospermic men, Vx, oligoasthenoteratozoospermic (OAT) without OAT Vx. They subjected history taking, clinical examination, semen analysis. their semen, estimated: miRNA-122, miRNA-181a, miRNA-34c5 using quantitative real-time PCR, (BAX, BCL2) protein...
Purpose: The use of antioxidants is common practice in the management infertile patients.However, there are no established guidelines by professional societies on antioxidant for male infertility.Materials and Methods: Materials Using an online survey, this study aimed to evaluate pattern reproductive specialists determine clinical utility oxidative stress (OS) testing prescriptions treat infertility.Results: Results: Responses from 1,327 participants representing 6 continents, showed...
Sperm DNA fragmentation (SDF) testing was recently added to the sixth edition of World Health Organization laboratory manual for examination and processing human semen. Many conditions risk factors have been associated with elevated SDF; therefore, it is important identify population infertile men who might benefit from this test. The purpose study investigate global practices related indications SDF testing, compare relevant professional society guideline recommendations, provide expert...
The purpose of this meta-analysis is to study the impact varicocele repair in largest cohort infertile males with clinical by including all available studies, no language restrictions, comparing intra-person conventional semen parameters before and after varicoceles.
This work aimed to assess seminal plasma reactive oxygen species (ROS)-antioxidants relationship with varicocele grade in infertile men oligoasthenoteratozoospermia (OAT). The study included 89 OAT divided into I (n = 22) and II 43), III 24) compared 20 healthy fertile controls. In their plasma, two ROS parameters (malondialdehyde [MDA], hydrogen peroxide [H(2) O(2) ]) four antioxidants (superoxide dismutase [SOD], catalase [Cat], glutathione peroxidase [GPx], vit.C) were estimated. There...
Sperm DNA fragmentation (SDF) has been associated with male infertility and poor outcomes of assisted reproductive technology (ART). The purpose this study was to investigate global practices related the management elevated SDF in infertile men, summarize relevant professional society recommendations, provide expert recommendations for managing condition.An online survey on clinical disseminated clinicians, according CHERRIES checklist criteria. Management protocols various conditions were...
Non-obstructive azoospermia (NOA) is a common, but complex problem, with multiple therapeutic options and lack of clear guidelines. Hence, there considerable controversy marked variation in the management NOA. This survey evaluates contemporary global practices related to medical surgical for patients A 56-question online covering various aspects evaluation NOA was sent specialists around globe. paper analyzes results second half dealing Results have been compared current guidelines, expert...
Melatonin is a hormone produced by the pineal gland. There much controversy about its relationship to male reproductive process. In this study, seminal plasma as well serum melatonin levels were studied in different infertile groups and correlated with their semen parameters hormonal levels. One hundred twenty cases subdivided into six equal consecutively included; fertile normozoospermic men, oligoasthenozoospermia (OA), OA leucocytospermia, varicocele, non-obstructive azoospermia (NOA)...