نتایج جستجو برای: sperm abnormality
تعداد نتایج: 182910 فیلتر نتایج به سال:
STUDY QUESTION Can a standardized assessment of abnormal human sperm morphology provide additional useful information by identifying men with more severe disturbances in different types of abnormalities? SUMMARY ANSWER Definition-based categorization of sperm head, midpiece and tail defects has shown how differently these abnormalities are distributed in fertile men and other groups of men, t...
Background : Ischemia-reperfusion injury arising from testicular torsion can result in bilateral testicular damages. The aim of this study was to investigate the effect of doxycycline (DC) administration on epididymal sperm disorders following experimental unilateral testicular ischemia-reperfusion (IR) in mice. Materials and Methods: Experiments were performed on five equal groups each comp...
Sperm are highly susceptible to reactive oxygen species (ROS) that can damage sperm DNA and structure, resulting in reduced fertilizing capacity. Exposure to radioactive contamination can also impair sperm swimming behavior and fertilizing ability, both through a reduction of sperm DNA integrity and via an increased generation of reactive oxygen species (ROS). However, the relationship between ...
Semen from six adult male Black Bengal goats (Capra hircus) was collected to compare the fresh and frozen-thawed semen quality and investigate its relationship with the fertility. Each collected samples was divided into two parts: One part of semen was used as fresh and another part was filled into 0.50 ml straws, sealed, cooled (5 ˚C) and equilibrated for freezing.In both cases, semen was dilu...
background: infertility is common among couples of child-bearing age and ap-proximately half of known causes of primary infertility are attributable to male factor. it is still unclear whether the injurious effects of cigarette smoking on sperm characteristics and infertility are due to nicotine. therefore, the present study investigated the effects of orally administered of nicotine on sperm c...
Background: Current microscopic experimental methods cannot diagnose DNA damages present in spermatozoa .Therefore, some methods are needed to address the abnormality of the genetic material status on the sperm samples. As reported by many investigators aniline blue staining technique has been used for identifying sperm chromatin condensation. Also, chromomycin A3 is used for evaluation of the ...
Male infertility is a disease which affects approximately 7% of men. Sperm morphology analysis (SMA) one the main diagnosis methods for this problem. Manual SMA an inexact, subjective, non-reproducible, and hard to teach process. As result, in paper, we introduce novel automatic based on neural architecture search algorithm termed Genetic Neural Architecture Search (GeNAS). For purpose, used co...
OBJECTIVES To evaluate the efficacy of 2 potentized homeopathic remedies of Arsenicum Album (Ars Alb)--6C and 30C--in combating chronic arsenic toxicity induced by repeated sublethal injections in mice (Mus musculus). METHODS Mice were randomized and divided into sets: (1) normal (control 1); (2) normal + succussed alcohol (control 2); (3) As(2)O(3) (0.016%) injected at 1 ml/100 g body weight...
Background: Trehalose, a non-permeable disaccharide, has a protective role related both to osmotic effect and specific interactions with membrane phospholipids, rendering hypertonic media, causing cellular osmotic dehydration before freezing, and then decreasing the amount of cell injury by ice crystallization. Within this study, an attempt was made to evaluation of two levels of 50 and 100 mM ...
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