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Related Concept Videos

Infertility in Males01:23

Infertility in Males

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Male infertility affects millions of couples worldwide, arising from various factors that impact different stages of the reproductive process. An endocrine imbalance resulting from conditions like hypogonadism, Klinefelter syndrome, or pituitary disorders can disrupt hormone levels and reduce sperm production. Testicular defects, such as tumors, cryptorchidism, atrophic testes, abnormal sperm morphology, and low sperm count or motility, may arise due to genetic factors, structural...
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Spermatogenesis01:41

Spermatogenesis

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Spermatogenesis is the process by which haploid sperm cells are produced in the male testes. It starts with stem cells located close to the outer rim of seminiferous tubules. These spermatogonial stem cells divide asymmetrically to give rise to additional stem cells (meaning that these structures “self-renew”), as well as sperm progenitors, called spermatocytes. Importantly, this method of asymmetric mitotic division maintains a population of spermatogonial stem cells in the male...
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Infertility in Females01:28

Infertility in Females

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Female infertility is defined as the inability to conceive after a year of regular, unprotected intercourse and affects about 10–15% of couples worldwide. The primary cause of female infertility is ovulatory disorders, which hinder the release of eggs. These disorders can be classified as hypothalamic amenorrhea, polycystic ovarian syndrome (PCOS), premature ovarian failure, and hyperprolactinemic anovulation disorders.
Endometriosis, a condition characterized by abnormal growth of...
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Disorders of the Male Reproductive System01:20

Disorders of the Male Reproductive System

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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....
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Immunodeficiency Diseases01:25

Immunodeficiency Diseases

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Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
There are three main causes of immunodeficiency...
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Testosterone: Functions and Regulation01:26

Testosterone: Functions and Regulation

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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...
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Related Experiment Video

Updated: Mar 16, 2026

Flow Cytometric Analysis of Biomarkers for Detecting Human Sperm Functional Defects
08:48

Flow Cytometric Analysis of Biomarkers for Detecting Human Sperm Functional Defects

Published on: April 21, 2022

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Male infertility and immune function.

Michael L Eisenberg1

  • 1Department of Urology, Stanford University School of Medicine, Stanford, California.

Fertility and Sterility
|March 14, 2026
PubMed
Summary
This summary is machine-generated.

The immune system significantly impacts male fertility and infertility. Understanding the blood testis barrier, anti-sperm antibodies, and cytokines can improve reproductive medicine treatments.

Keywords:
Fertilityimmune systemspermatogenesis

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Area of Science:

  • Reproductive Immunology
  • Male Infertility Research
  • Urology

Background:

  • The immune system's role in male reproductive health is complex and multifaceted.
  • Key components like the blood testis barrier (BTB), anti-sperm antibodies (ASAs), and seminal plasma cytokines are crucial for fertility.
  • Genital pathogens can also impact reproductive outcomes.

Purpose of the Study:

  • To provide a comprehensive review of the immune system's influence on male fertility and infertility.
  • To consolidate current evidence on the BTB, ASA testing, seminal plasma cytokines, and the effects of genital pathogens.

Main Methods:

  • Literature review and synthesis of existing research.
  • Systematic review and meta-analysis for specific topics (e.g., genital pathogens).
  • Expert commentary and overview of physiological and pathological aspects.

Main Results:

  • The BTB is vital for protecting sperm from the immune system; its impairment affects fertility.
  • Anti-sperm antibody testing has a defined role in current clinical practice.
  • Seminal plasma cytokines are implicated in both fertility and infertility, with ongoing research into their testing.
  • Evidence supports the reproductive effects of genital pathogens.

Conclusions:

  • Advances in understanding the immune system's association with male fertility are crucial for improving patient treatment.
  • Integrated knowledge of immunological factors offers a path toward better reproductive medicine outcomes.