نتایج جستجو برای: sperm nuclear maturity

تعداد نتایج: 300318  

Babaei M Hoshyari A Hosseinchi MR Najafi A Najafi GhR Soltanalinejad F

Background: Little is known about Giberellic acid, a plant growth regulator used in many countries, on sperm parameters; so this study was conducted to evaluate its effects on sperm parameters. Materials and Methods: A number of twenty seven adult rats were divided into three groups (n=9): control group (C), control-sham group (C-Sh) and treatment group (Tr). The C-Shgroupand the Tr group were ...

Marziyeh Tavalaee Mohammad Hossein Nasr-Esfahani, Mohammad Reza Deemeh

Evidence suggests that human sperm chromatin anomalies adversely affect reproductive outcomes and infertile men possess substantially amount of sperm with chromatin anomalies than fertile men. Routine semen analysis evaluates parameters such as sperm motility and morphology, but does not examine the nuclear DNA integrity of spermatozoa. It has been suggested that altered nuclear chromatin struc...

2015
Leyla Sati Gabor Huszar

This review briefly summarises the cellular and physiological aspects of sperm motility (SM) and viability from the point of view of male fertility/infertility. We discuss the SM patterns and maturation processes during the epididymal transit, including the effects of seminal plasma proteins, and while moving through the female reproductive tract. In connection with SM and viability, the oxidat...

Journal: :Roczniki Akademii Medycznej w Bialymstoku 2004
M Piasecka D Gaczarzewicz R Kurzawa M Laszczyńska A Kram

In the present paper, morphological and functional features of human sperm midpiece, contributing to the assessment of sperm fertility potential, have been described. The NADH-dependent NBT screening assay was used to identify and visualise: 1/ morphological defects of sperm midpiece, 2/ immature sperm forms with extensive cytoplasmic retention, reflecting developmental failure in spermatogenic...

2016
Tsung-Hsuan Lai Ying-Yu Wu Ya-Yun Wang Mei-Feng Chen Pei Wang Tsung-Ming Chen Yi-No Wu Han-Sun Chiang Pao-Lin Kuo Ying-Hung Lin

Male factor infertility accounts for approximately 50 percent of infertile couples. The male factor-related causes of intracytoplasmic sperm injection failure include the absence of sperm, immotile sperm, immature sperm, abnormally structured sperm, and sperm with nuclear damage. Our knockout and knock-in mice models demonstrated that SEPTIN12 (SEPT12) is vital for the formation of sperm morpho...

Babaei M Hajizadeh Z, Hoshyari A Najafi A Najafi GR Shariatzadeh MA Soleimani M

Background: Fluoxetine (FLX) is an Antidepressant compound. FLX produces undesired side effects including anxiety, sleep disturbances, sexual dysfunction and gastrointestinal disturbances. The grape is a significant source of nutritional antioxidants, such as polyphenols, anthocyanins, flavonids as well as biologically active dietary components. Present study was performed to investigate the pr...

Journal: :veterinary research forum 2014
zahra bakhtiary rasoul shahrooz abbas ahmadi leila zarei

cyclophosphamide (cp) is one of the anti-neoplastic drugs. despite its numerous clinical applications, it has devastating effects on the testicles and declines the sperm quality in treated patients. this study was aimed to investigate the protective effect of crocin in improving the toxicity induced by cp in reproductive system. in this study, 24 male adult mice (6 to 8 weeks) were randomly div...

Bassiri F, Nasr Esfahani MH Tavalaee M

Background: Intracytoplasmic sperm injection (ICSI) can be considered the solstice in vitro insemination technique because it has powerfully allowed the treatment of male factor infertility, but in this procedure, except visual morphological selection, there is no standardization for sperm selection. Recently, hypo osmotic swelling test (HOST) has been proposed to have the potential to select i...

Cyclophosphamide (CP) is one of the anti-neoplastic drugs. Despite its numerous clinical applications, it has devastating effects on the testicles and declines the sperm quality in treated patients. This study was aimed to investigate the protective effect of crocin in improving the toxicity induced by CP in reproductive system. In this study, 24 male adult mice (6 to 8 weeks) were randomly div...

Journal: :Reproduction 2001
F Morel C Roux J L Bresson

The aim of this study was to determine whether sperm morphology and nuclear maturity are associated with an increase in the prevalence of disomy in human spermatozoa. Semen samples were obtained from 60 patients selected at random from a population of men undergoing semen analysis as part of consultation for infertility. Semen analysis and aniline blue staining were carried out on each ejaculat...

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