نتایج جستجو برای: azoospermia

تعداد نتایج: 2348  

حوری سپهری, , زهرا اوسطی آشتیانی, , فرخنده بهجتی, , محمدتقی اکبری, , پریسا کلانتری, ,

In this study, chromosome analyses were performed on 70 infertile Azoospermic and Oligospermic (<20 million/ml) men, and also cultures of peripheral blood lymphocytes by high resolution banding method were analysed as well. It is revealed 8 (11.43 percent) men with chromosomal abnormality. There were 31.4 percent patients with azoospermia and 68.6 percent with oligospermia from several thousand...

2015
Behrouz Gharesi-Fard Zahra Ghasemi Saeed Shakeri Shabnam Behdin Fatemeh Aghaei Zahra Malek-Hosseini

BACKGROUND Azoospermia is the medical condition of a man not having any measurable level of sperm in his semen. Follicle stimulating hormone (FSH) is a member of the glycoprotein hormone family that plays an important role in human reproduction because of its essential role in normal spermatogenesis. Various Single Nucleotide Polymorphisms (SNPs) have been reported within FSH receptor (FSHR) ge...

2017
Dimitrios Korbakis Christina Schiza Davor Brinc Antoninus Soosaipillai Theano D. Karakosta Christine Légaré Robert Sullivan Brendan Mullen Keith Jarvi Eleftherios P. Diamandis Andrei P. Drabovich

BACKGROUND TEX101 is a cell membrane protein exclusively expressed by testicular germ cells and shed into seminal plasma. We previously verified human TEX101 as a biomarker for the differential diagnosis of azoospermia, and developed a first-of-its-kind TEX101 ELISA. To demonstrate the clinical utility of TEX101, in this work we aimed at evaluating ELISA performance in a large population of fer...

Journal: :Human reproduction 1997
J Liu Y L Tsai E Katz G Compton J E Garcia T A Baramki

The effect of in-vitro culture on the motility and morphology of fresh and frozen-thawed human testicular spermatozoa obtained from obstructive azoospermic patients and on the motility of testicular spermatozoa obtained from non-obstructive azoospermic patients was evaluated. The outcome of intracytoplasmic sperm injection (ICSI) with fresh and frozen-thawed human testicular spermatozoa was stu...

2017

Obstructive azoospermia (OA) is defined as the absence of spermatozoa in the ejaculate despite normal spermatogenesis, but either a mechanical blockage exists in the genital tract between the epididymis and the ejaculatory duct or the vasa deferentia are absent. A normal testicular biopsy is pathognomonic for obstruction, and a vasography should be indicated to identify the site of the obstruct...

Journal: :International Journal of Molecular Sciences 2021

Journal: :Spermatogenesis 2014

2015
Usha Prasad Uma Prasad

Background: Male infertility is a common problem and needs a minimally invasive method to arrive at the appropriate diagnosis. Alternative to open testicular biopsy the fine needle aspiration cytology of the testis is being increasingly used as a minimally invasive method of evaluating testicular function. Aim of the study: To assess the diagnostic accuracy of fine needle aspiration cytology in...

ژورنال: پژوهش در پزشکی 2017

Backgrond: Infertility affects 15% of couples and male factor infertility is involved in 50% of cases. One of the causes of infertility is Azoospermia that refers to the absence of sperm per ejaculation and almost affects 1% of the total men population. A comprehensive overview about the disease and its risk factors along with a better understanding of the diagnosis was performed and compreh...

Journal: :international journal of reproductive biomedicine 0
hamid nazarian marefat ghaffari novin mohammad reza jalili reza mirfakhraie mohammad hassan heidari seyed jalil hosseini

background: the wnt/β- the wnt/β-catenin signaling pathway is involved in many developmental processes in both fetal and adult life; its abnormalities can lead to disorders including several types of cancers and malfunction of specific cells and tissues in both animals and humans. its role in reproductive processes has been proven. objective: this study was designed to evaluate the expression o...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید