A Review on Male Fertility
نویسنده
چکیده
Spermatogenesis is a complex process that involves stem-cell renewal, genome reorganization and genome repackaging, and that culminates in the production of motile gametes. Problems at all stages of spermatogenesis contribute to human infertility. Male infertility, is characterized by hypogonadism, decreased semen quality or ejaculatory dysfunction, accounts for approximately 20% of infertility cases. The main cause for infertility apoptosis. Apoptosis, a form of programmed cell death in contrast to necrosis, which represents "accidental cell death," plays an important role in spermatogenesis. excessive alcohol intake resulted in Leydig cell apoptosis, while cocaine resulted in mitochondrial apoptosis, excessive alcohol intake resulted in Leydig cell apoptosis, while cocaine resulted in mitochondrial apoptosis. Men with severe oligozoospermia less than 1 to 5 x 10 sperm/ml are considered as a male infertility by diagnosis. Studies on male infertility, potentially opening the door for treatment advances for improving spermatogenesis. Newer techniques like sperm retrieval and VE modifications are promising and becoming increasingly more popular for the estimation of damage of certain DNA is responsible for male infertility.
منابع مشابه
Effect of noise pollution on male fertility (Review)
Background: Noise as a most common harmful physical agent in workplaces has some effects on the exposed persons such as hearing threshold reduction, increasing blood pressure, and interference with the speech. The adverse side-effect of noise is one of the scientific areas that have seldom been considered by researchers. The aim of this study was to investigate the effects of occupational noise...
متن کاملPossible Mechanisms for The Effects of Calcium Defi-ciency on Male Infertility
Calcium (Ca) is a significant element that acts as an intracellular second messenger. It is necessary for many physiological processes in spermatozoa including spermatogenesis, sperm motility, capacitation, acrosome reaction and fertilization. Although influences of Calcium deficiency on sperm function and male infertility have been widely studied, mechanisms for these abnormalities are not wel...
متن کاملEstrogen and spermatogenesis.
Although it has been known for many years that estrogen administration has deleterious effects on male fertility, data from transgenic mice deficient in estrogen receptors or aromatase point to an essential physiological role for estrogen in male fertility. This review summarizes the current knowledge on the localization of estrogen receptors and aromatase in the testis in an effort to understa...
متن کاملReactive Oxygen Species and Antioxidant in Seminal Plasma and Their Impact on Male Fertility
Spermatozoa generate reactive oxygen species (ROS) in physiological amounts which play a role in sperm functions during sperm capacitation acrosome reaction (AR) and oocyte fusion. In addition damaged sperm are likely to be the source of ROS. The most important ROS produced by human sperm are hydrogen peroxide superoxide anion and hydroxyl radicals. Besides human seminal plasma and sperm posses...
متن کاملPmn-16: The Effect of Environmental Contaminants on Testicular Function
Male reproductive health has deteriorated considerably in the last few decades. Nutritional, socioeconomic, lifestyle and environmental factors (among others) have been attributed to compromising male reproductive health. In recent years, a large volume of evidence has accumulated that suggests that the trend of decreasing male fertility (in terms of sperm count, quality and other changes in ma...
متن کاملpoor oral health and fertility problems: A narrative mini-review
Introduction: Recently, it has been recognized that oral infections, especially periodontitis might have effect on several systemic conditions. A possible role of oral diseases in sub-fertility and infertility was also has been suggested. The aim of this review was to evaluate the association between poor oral health and fertility problems. Methods: In this narrative review, authors used PUBMED...
متن کامل