相关实验视频

Updated: Jan 7, 2026

Murine Prostate Micro-dissection and Surgical Castration
08:49

Murine Prostate Micro-dissection and Surgical Castration

Published on: May 11, 2016

47.3K

尿路病原体Actinobaculum massiliense通过dirAB通路产生雄激素

Taojun Wang, Saeed Ahmad, Raissa Santos de Lima Rosa

    bioRxiv : the preprint server for biology
    |December 25, 2025
    PubMed
    概括

    科学家们在尿液中发现了新的细菌,可以产生雄激素,这可能会影响前列腺癌. 这项研究引入了一种用于研究尿路微生物组及其在激素调节中的作用的新型试验.

    更多相关视频

    Urinary Tract Infection in a Small Animal Model: Transurethral Catheterization of Male and Female Mice10:23

    Urinary Tract Infection in a Small Animal Model: Transurethral Catheterization of Male and Female Mice

    Published on: December 1, 2017

    17.9K
    Recurrent Escherichia coli Urinary Tract Infection Triggered by Gardnerella vaginalis Bladder Exposure in Mice08:53

    Recurrent Escherichia coli Urinary Tract Infection Triggered by Gardnerella vaginalis Bladder Exposure in Mice

    Published on: December 4, 2020

    6.7K

    相关概念视频

    Disorders of the Male Reproductive System01:20

    Disorders of the Male Reproductive System

    Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
    Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra....
    3.9K
    Urinary Tract Infection II: Pathophysiology01:25

    Urinary Tract Infection II: Pathophysiology

    The pathophysiology of urinary tract infections (UTIs) encompasses several progressive stages, beginning with bacterial colonization and culminating in potential systemic complications if untreated. UTIs are primarily initiated by bacteria, such as Escherichia coli, which often originate from the gastrointestinal tract and migrate to the urinary system through the periurethral area. This migration can occur via several routes, including improper hygiene practices, sexual activity, or...
    524
    Bacterial Phylum Spirochaetes01:30

    Bacterial Phylum Spirochaetes

    Spirochetes, unique bacteria in the phylum Spirochaetes, are gram-negative, motile, tightly coiled, slender, and flexible. They inhabit aquatic sediments and animals, with some causing diseases like syphilis. Spirochetes are classified into eight genera based on habitat, pathogenicity, phylogeny, and characteristics.Their distinctive motility arises from endoflagella, located within the cell’s periplasm. These endoflagella anchor at the cell poles and extend along the cell length, encased...
    528
    Bacterial Phylum Actinobacteria01:30

    Bacterial Phylum Actinobacteria

    Coryneform bacteria are gram-positive, aerobic, nonmotile rods that exhibit irregular, club-shaped, or V-shaped arrangements. Their V-shape results from snapping division, where the inner cell wall layer forms the cross-wall, while the outer layer remains intact until it ruptures on one side, causing the daughter cells to bend away.The primary genera are Corynebacterium and Arthrobacter. Corynebacterium includes diverse species, ranging from saprophytes to pathogens like Corynebacterium...
    572
    Testosterone: Functions and Regulation01:26

    Testosterone: Functions and Regulation

    The intricate hormonal interplay essential for male reproductive health begins with the release of gonadotropin-releasing hormone (GnRH) by the hypothalamus. This hormone prompts the pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). LH targets the Leydig cells in the testes, stimulating them to produce and release testosterone. In concert with testosterone, FSH acts on the Sertoli cells within the seminiferous tubules to facilitate the release of...
    1.9K
    Urinary Tract Infection I: Introduction01:26

    Urinary Tract Infection I: Introduction

    Urinary tract infections (UTIs) impact various parts of the urinary system, including the kidneys, ureters, bladder, and urethra. These infections are generally bacterial, with Escherichia coli being the most common causative agent, often originating from the gastrointestinal tract. However, other bacteria, such as Staphylococcus saprophyticus, Klebsiella pneumoniae, and Proteus mirabilis, are also known to cause UTIs. The type, location, and underlying complexity of the UTI guide both...
    511