نتایج جستجو برای: male infertility

تعداد نتایج: 349507  

Journal: :international journal of reproductive biomedicine 0
zhi hong zhang lei lei li yang yu hong guo zhang rui zhi liu

background: previous researches about the effect of smoking on semen quality are contradictory, and the mechanism behind the harmful effect of smoking on semen quality still remains unclear until today. objective: the objectives of this study are evaluation of the relationship between smoking and fertility, investigation of the effects of cigarette smoking on sperm parameters and detection of p...

Journal: :avicenna journal of medical biochemistry 0
faramarz fazeli department of urology, school of medicine, zahedan university of medical sciences, zahedan, ir iran saeedeh salimi cellular and molecular research center, zahedan university of medical sciences, zahedan, ir iran; department of clinical biochemistry, school of medicine, zahedan university of medical sciences, zahedan, ir iran; department of clinical biochemistry, school of medicine, zahedan university of medical sciences, zahedan, ir iran. tel: +98-5433425728, fax: +98-5433425728

conclusions our results show that oxidative stress could play an important role in male infertility as well as in sperm motility and sperm morphology. patients and methods this case control study was conducted using 35 men with idiopathic infertility and 34 men with proven fertility. seminal plasma tac and mda were measured by ferric reducing ability of plasma (frap) and thiobarbituric acid (tb...

Journal: :international journal of reproductive biomedicine 0
jalil hosseini azar mardi mamaghani hani hosseinifar mohammad ali sadighi gilani farid dadkhah mahdi sepidarkish

background: although the effectiveness of ginger as an antioxidant agent has been exploited, little human research has been conducted on its activity on male reproductive functions. objective: this study was designed to investigate the effects of ginger (zingiber officinale) on sperm dna fragmentation (sdf) in infertile men. materials and methods: this randomized double-blind, placebo-controlle...

2014
Damayanthi Durairajanayagam Ashok Agarwal Chloe Ong Pallavi Prashast

Excessive amounts of reactive oxygen species (ROS) cause a state of oxidative stress, which result in sperm membrane lipid peroxidation, DNA damage and apoptosis, leading to decreased sperm viability and motility. Elevated levels of ROS are a major cause of idiopathic male factor infertility, which is an increasingly common problem today. Lycopene, the most potent singlet oxygen quencher of all...

2007
A. Jungwirth T. Diemer G. R. Dohle A. Giwercman Z. Kopa C. Krausz H. Tournaye

52. Berger RE. Epididymitis. In: Holmes KK, Mardh PA, Sparling PF et al. (eds). Sexually TransmittedDiseases. New York: McGraw-Hill, 1984, pp. 650-662.53. Weidner W, Schiefer HG, Garbe C. Acute nongonococcal epididymitis. Aetiological and therapeuticaspects. Drugs 1987;34 (Suppl 1):111-117.http://www.ncbi.nlm.nih.gov:80/entrez/query.fcgi?cmd=Retrieve&db;=PubMed&list;_uids=3481311&...

2009
Allan A Pacey

in 30–50% of sub-fertile couples the male partner has poor semen quality, either because of low sperm count, poorly motile sperm or sperm with abnormal size and shape (morphology). This may result from inherent genetic factors, poor pre-natal testicular development or adult exposure to gonadotoxic agents. There are few proven therapies to improve semen quality. Therefore, the number and quality...

Journal: :iranian journal of public health 0
meriem baziz zohra hamouli-said ilham ratbi mohamed habel soukaina guaoua aziza sbiti

background: in algeria, the data on infertility and its various causes are rare. recently, the introduction of assisted reproduction has allowed expecting that 300000 couples, which represent 7% of couples of reproductive age, face difficulty conceiving a child. knowing that most idiopathic cases are likely to be due to chromosomal abnormalities, we aimed to investigate genetic defects by karyo...

Journal: :iranian journal of basic medical sciences 0
mehran dorostghoal department of biology, faculty of sciences, shahid chamran university of ahwaz, ahwaz, iran abdolrahaman dezfoolian department of anatomical sciences, faculty of medicine, jondishapour medical sciences university of ahwaz, ahwaz, iran foroogh sorooshnia department of biology, faculty of sciences, shahid chamran university of ahwaz, ahwaz, iran

objective(s) during recent years, there has been an increasing interest in contribution of environmental pollutants as heavy metals to human male infertility. present study was aimed to investigate the effects of maternal lead acetate exposure during lactation on postnatal development of testis in offspring rats. materials and methods a total of 60 female rats randomly divided into four equal g...

Journal: :international journal of reproductive biomedicine 0
maryam shahhoseini mahnaz azad marjan sabbaghian maryam shafipour mohammad reza akhoond reza salman yazdi

background: male infertility is a multifactorial disorder, which affects approximately 10% of couples at childbearing age with substantial clinical and social impact. genetic factors are associated with the susceptibility to spermatogenic impairment in humans. recently, sept12 is reported as a critical gene for spermatogenesis. this gene encodes a testis specific member of septin proteins, a fa...

Journal: :international journal of reproductive biomedicine 0
mir davood omrani agneta nordenskhold

background: for screening sequence variations in genes, rapid turnover time is of fundamental importance. while, many of the current methods are unfortunately time consuming and technically difficult to implement. denaturing high-performance liquid chromatography (dhplc) method had been shown to be a high-throughput, time saving, and economical tool for mutation screening. objective: in the pre...

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