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Testicular blood flow and fluid dynamics in monkeys with surgically induced varicoceles
varicocele monkey testicular blood flow
2009/2/19
The blood flow rates and ability to remove an added fluid load were studied in the testes of monkeys with surgically induced varicoceles and in sham-operated control monkeys. These studies were conduc...
Specific regulatory actions of dihydrotestosterone and estradiol on the dynamics of FSH secretion and clearance in humans
Sex steroids pulsatile hormone episodic deconvolution
2009/2/7
The authors investigated immunoactive and bioactive follicle-stimulating hormone (FSH) secretion and clearance in six healthy young men during steady-state infusions of vehicle (basal, B, 28 hours),...
Nuclear androgen receptor dynamics in testicular peritubular and Sertoli cells
Androgen receptor testis Sertoli cells peritubular
2009/2/6
Nuclear androgen receptor dynamics were analyzed in peritubular cells and compared with those in cultured Sertoli cells. Nuclear receptors with a high affinity for [3H]dimethylnortestosterone (DMN...
Characterization of a new superfusion, two-compartment culture system for Sertoli cells：influence of extracellular matrix on the cell permeability and dynamics of transferrin secretion
two compartment culture system sertoli
2009/2/6
A new superfusion two-compartment culture system was developed in the laboratory of the author and was used to investigate the influence of testicular extracellular matrix on barrier formation by Se...
GM1 Dynamics as a Marker for Membrane Changes Associated With the Process of Capacitation in Murine and Bovine Spermatozoa
Rafts ganglioside cholesterol cholera toxin annulus
2008/12/24
We previously showed that in live murine and bovine sperm heads, the ganglioside GM1 localizes to the sterol-rich plasma membrane overlying the acrosome (APM). Labeling GM1 using the pentameric c...
Synopsis：XVIIIth Testis Workshop,“Testicular Cell Dynamics and Endocrine Signaling”
XVIIIth Testis Workshop Testicular Cell Dynamics Endocrine Signaling
2008/12/23
The Testis Workshop convened in Seattle, Wash, from March 30 to April 2 at the Grand Hyatt Hotel. The theme for 2005 was "Testicular Cell Dynamics and Endocrine Signaling." Recent years have brought a...
Capillary-Loaded Particle Fluid Dynamics：Effect on Estimation of Sperm Concentration
Spermatozoa capillary slide concentration hemacytometer Poiseuille Segre-Silberberg
2008/12/23
Capillary loaded chambers are frequently used for semen analysis. Poiseuille flow of specimen into these chambers causes migration of suspended particles or cells in a direction transverse to the ...
An Ex Vivo Analysis of Sertoli Cell Actin Dynamics Following Gonadotropic Hormone Withdrawal
Espin profilin cofilin
2008/12/22
The receptors for the steroid hormone testosterone and the peptide hormone follicle-stimulating hormone are localized to the somatic Sertoli cell in the seminiferous epithelium. In the rat, prolonge...
Sperm Membrane Dynamics Assessed by Changes in Lectin Fluorescence Before and After Capacitation
Fertilization gametes membrane domain protein mobility sperm activation
2008/12/22
Sperm capacitation is correlated with acquisition of fertilizing ability, and the molecular events underlying this process are only beginning to be understood. A number of membrane changes associate...
Role of Tissue Inhibitor of Metalloproteases-1 in Junction Dynamics in the Testis
Protease inhibitor Sertoli cell germ cell tight junction adherens junction
2008/12/19
Using multiple high-performance liquid chromatography steps, we have identified and purified a polypeptide to apparent homogeneity from primary Sertoli cell conditioned culture medium that consist...
