Results 91 to 100 of about 28,616 (239)

Estrone and estradiol concentrations in human ovaries, testes, and adrenals during the first two years of life [PDF]

, 1987
To determine the origin of estrogens in infant blood, we measured estrone (E1) and estradiol (E2) in the gonads of 50 girls and 64 boys who died suddenly between birth and 2 yr of age as well as in the adrenals of 18 of these infant girls and 16 of the ...
Bidlingmaier, F., Dorr, H. G., Eisenmenger, Wolfgang, Knorr, D., Strom, T. M.   +4 more
core   +1 more source

Assessing a Model for a Complex Systemic Disorder—The Value of Male Mice With a Supernumerary X Chromosome for Klinefelter Syndrome Research

Andrology, EarlyView.
ABSTRACT Introduction Direct experimental investigation of Klinefelter syndrome (KS) in patients is limited because the syndrome manifests heterogeneously and affects multiple organ systems. Studying KS therefore requires a model that captures this complexity as accurately as possible while still permitting controlled experimental manipulation ...
Fariba Saadati, Joachim Wistuba
wiley   +1 more source

Clinician’s guide to the management of azoospermia induced by exogenous testosterone or anabolic–androgenic steroids

Asian Journal of Andrology
Azoospermia, defined as the absence of sperm in the ejaculate, is a well-documented consequence of exogenous testosterone (ET) and anabolic–androgenic steroid (AAS) use.
Manaf Al Hashimi, Germar-Michael Pinggera, Rupin Shah, Ashok Agarwal   +3 more
doaj   +1 more source

Stress - its effects on health and behavior: a guide for practitioners [PDF]

, 2014
KEY POINTS Stress may affect the physical, mental, and social health of an animal. The effect of stressors is individual to the animal concerned and results from the appraisal of the stressor by the animal.
Karagiannis, Christos, Mills, Daniel, Zulch, Helen   +2 more
core   +1 more source

Clinical Challenges in Transition to Adult Care for Young People With Endocrinopathies

Clinical Endocrinology, EarlyView.
ABSTRACT The complexity of transition of pediatric patients to adult care is well recognized, with a multidisciplinary approach widely agreed to be essential. Despite extensive existing literature in this area, practical guidance as to the management of specific medical aspects and how to address these with patients and families is lacking, with little
Margaret Zacharin, Quynh‐Nhu Nguyen
wiley   +1 more source

The combined effects of swimming exercise and stem cell transplantation on the expression of CD9 and CD63 tetraspanin genes in a rat model of azoospermia

مجله علوم پزشکی فیض (پیوسته)
Background and Aim: Azoospermia, defined as the absence of sperm in semen, is a common cause of male infertility. This study aimed to determine the combined effects of swimming exercise and stem cell transplantation on the expression of CD9 and CD63 ...
Maziyar Shojaee, lida moradi, Parvin Farzanei, Bahram Abedi   +3 more
doaj  

A Study on Causes of Azoospermia in Urology Clinic of Yasuj University of Medical Sciences

Armaghane Danesh Bimonthly Journal, 2006
: Introduction & Objective: Azoospermia means no sperm in semen. It may be due to hormonal imbalance, any disorder in production of sperm, or might be due to obstruction in sperm pathway from testis till ejaculatory ducts.
SMR Rabani, A Moosavizadeh
doaj  

Association Between Sertoli Cell-Only Syndrome, Varicocele and FSH Level in Azoospermic Patients [PDF]

, 2018
A varicocele is the most frequent causes of infertility because it causes damage to the testes that could increase the levels of FSH. The objectives of this study were to determine the relationship of varicocele history and the condition of Sertoli cell ...
Birowo, P. (Ponco), Eva, M. (Michelle), Rasyid, N. (Nur), Sari, P. (Puji)   +3 more
core  

Rheumatic diseases and male infertility [PDF]

, 2006
Rheumatic diseases affect all aspects of life, including sexuality and reproduction. The reasons for disturbing sexual functioning and reproduction are multifactorial. Manifestations and symptoms of disease can reduce libido and interfere with successful
Ciconelli, Rozana Mesquita, Freire, Eutília Andrade Medeiros, Maia, Inês De Oliveira, Nepomuceno, Jamile De Castro Alves   +3 more
core   +2 more sources

SOX30 Governs Synaptonemal Complex Assembly and Homologous Recombination in Male Meiosis

Cell Proliferation, EarlyView.
The transcription factor SOX30 directly binds promoter regions of SYCE1 and SYCE2 to mediate their transcriptional activation, thereby enabling proper assembly of central elements within the synaptonemal complex. Structural destabilisation of the synaptonemal complex in Sox30 KK spermatocytes triggers synaptic discontinuity, impairs homologous ...
Kangle Liu, Wenfeng Zhang, Xiao Jiang, Jianping Chen, Lei Zhu, Zhonghao Zhang, Jing Gu, Lulu Guo, Lin Ao, Qing Chen, Lei Sun, Yuhan Hu, Xin Wang, Yaxin Liu, Jia Cao, Fei Han, Jinyi Liu   +16 more
wiley   +1 more source