Related Experiment Video
Updated: May 31, 2026
12:32
Isolation of Dendritic Cells from the Human Female Reproductive Tract for Phenotypical and Functional Studies
Published on: March 13, 2018
Immunological differences in women compared with men: overview and contributing factors
Ghina Ghazeeri1, Lina Abdullah, Ossama Abbas
1Department of Obstetrics & Gynecology, American University of Beirut-Medical Center, Beirut, Lebanon.
Summary
Immune system differences between women and men impact infection susceptibility and autoimmune disease risk. These sex differences in immunity are influenced by genetics, hormones, and environmental factors.
Area of Science:
- Immunology
- Reproductive Immunology
- Sex Differences in Immunity
Background:
- Gender differences in innate and adaptive immune systems are well-documented in humans.
- These immunological variations influence susceptibility to infections and the risk of autoimmune disorders and cancers.
- Factors contributing to immune dimorphism include sex hormones, genetics, environmental influences, and microchimerism.
Purpose of the Study:
- To provide an overview of immunological differences between women and men.
- To explore the contributing factors to these observed gender differences in immune function.
- To discuss the potential evolutionary implications of sexual immune dimorphism.
Main Methods:
- Literature review and synthesis of existing research on sex differences in immunology.
- Analysis of factors influencing immune dimorphism, including hormonal, genetic, and environmental aspects.
- Discussion of the potential adaptive significance of these immune differences.
Main Results:
- Significant gender-based variations exist in both innate and adaptive immune responses.
- Sex hormones, genetic factors, and environmental exposures play crucial roles in shaping immune dimorphism.
- Women exhibit a higher predisposition to autoimmune diseases, potentially linked to reproductive functions.
Conclusions:
- Sexual immune dimorphism is a complex phenomenon influenced by multiple factors.
- Understanding these differences is critical for addressing varied health risks in men and women.
- The evolutionary purpose of immune dimorphism may be linked to reproductive success and survival.
Related Concept Videos
01:26Factors Affecting the Risk of Infection
The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin create...
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin create...
01:24Disorders of the Female Reproductive System
The female reproductive system can be affected by several disorders, including Premenstrual Syndrome (PMS), Premenstrual Dysphoric Disorder (PMDD), endometriosis, and various forms of cancer. PMS and PMDD are cyclical conditions that cause physical and emotional distress, with symptoms that include edema, mood swings, and food cravings. PMDD is a more severe form of PMS characterized by increased symptom severity that peaks during the luteal phase and tends to improve or resolve shortly after...
01:28Microbiota of the Urogenital Tract
The human urogenital system, once thought to be sterile in healthy individuals, is now recognized as a complex microbial habitat. Advancements in molecular sequencing techniques have revealed that even in healthy adults, the kidneys and bladder harbor microbial populations similar to those found in the distal urethra, albeit in much lower abundance. These resident microorganisms, while generally innocuous, can become opportunistic pathogens under conditions that alter the urogenital...
01:25Immunodeficiency Diseases
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 disorders...
There are three main causes of immunodeficiency disorders...
01:27Psychoneuroimmunology: Cardiovascular Disease
Psychoneuroimmunology (PNI) is a multidisciplinary field that examines how psychological factors, particularly stress, interact with the immune system and impact physical health. Research in PNI has shown that chronic or traumatic stress can disrupt both the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system. These disruptions contribute to serious health conditions, including cardiovascular diseases.
A key area of focus in PNI is the relationship between stress and coronary...
A key area of focus in PNI is the relationship between stress and coronary...
02:07Oogenesis
In human women, oogenesis produces one mature egg cell or ovum for every precursor cell that enters meiosis. This process differs in two unique ways from the equivalent procedure of spermatogenesis in males. First, meiotic divisions during oogenesis are asymmetric, meaning that a large oocyte (containing most of the cytoplasm) and minor polar body are produced as a result of meiosis I, and again following meiosis II. Since only oocytes will go on to form embryos if fertilized, this unequal...