background: single nucleotide polymorphism (snps) are considered as one of the underlying causes of male infertility. proper sperm chromatin packaging which involves replacement of histones with protamines has profound effect on male fertility. over 20 snps have been reported for the protamine 1 and 2. materials and methods: the aim of this study was to evaluate the frequency of two previously ...

background: hypospadias is one of the most common congenital abnormalities in the male which is characterized by altered development of urethra, foreskin and ventral surface of the penis. androgen receptor gene plays a critical role in the development of the male genital system by mediating the androgens effects. objective: in present study, we looked for new variations in androgen receptor pro...

objective: fragile x syndrome is the second etiology for inherited mental retardation. it may concomitant with other psychiatric disorders. intellectual disability (id) is a state of functioning that typically begins in childhood and is characterized by limitations in intelligence and adaptive skills. we intend to introduce a male young patient with fragile x syndrome and obsessive-compulsive d...

objective: the aim of this study was to determine men’s knowledge, attitudes and practice towards family planning in a province of north-eastern turkey. materials and methods: this descriptive research was carried on 801 volunteers amongst men of reproductive age living in a city with a total population of 80,000 men. data were gathered using a self-administered questionnaire that addressed men...

  This article investigates integrated production-inventory models with backorder. A single supplier and a single buyer are considered and shortage as backorder is allowed for the buyer. The proposed models determine optimal order quantity, optimal backorder quantity and optimal number of deliveries on the joint total cost for both buyer and supplier. Two cases are discussed: single-setup-singl...

the single type specimen of the unrecognized species, chetogena flaviceps (bigot), was examined and found to be a subjective senior synonym of the well-known new world species of chetogena scutellaris wulp. the genitalia of the holotype was dissected and illustrated in detail. a redescription of c. scutellaris, including the male genitalic characters is provided.

background and objective: although diabetes mellitus is known to be one of the risk factors for dementia but neuropathic changes in the brain of diabetic patients have not been completely revealed. therefore, this research study was done to evaluate structural changes in pyramidal neurons of hippocampal ca1 area of male diabetic rats using golgi-impregnation method. materials and methods: male ...

background: busulfan (bus) is a chemotherapy drug that is widely used for cancer treatment. however, administration of busulfan may cause temporary or permanent sterility in male patients. therefore, reduction of this side is necessary. objective: evaluation of the protective effects of l-carnitine and testis homogenized tissue (tht) on sperm parameters and the testis structure after busulfan t...

the purpose of this study was to examine serum selenium (se), lipoproteins and testosterone responses to a single session of circuit resistance exercise. fourteen male college students volunteered in the present study. blood samples were taken at 30minutes before, immediately after 25 and 60minutes of single session of circuit resistance exercise (10 exercise, 20s for each exercise, and at 60%1...