Related Experiment Video
Updated: Feb 16, 2026
03:01
Author Spotlight: A Reproductive Hysteroscopy Approach for Complete Endometrial Polyp Removal and Enhanced Endometrial Receptivity
Published on: August 2, 2024
2.1K
CD4+ T cell imbalance is associated with recurrent endometrial polyps
Yali Zhu1, Miaomiao Du1, Lisha Yi1
1Department of Gynaecology, Guangzhou Women and Children's Medical Centre, Guangzhou Medical University, Guangzhou, Guangdong, China.
Clinical and Experimental Pharmacology & Physiology
|January 3, 2018
Summary
Endometrial polyps (EPs) involve immune system imbalance. Women with EPs show altered CD4+ T cells, with recurrence linked to persistent inflammation and reduced regulatory T cells.
Area of Science:
- Immunology
- Gynecology
- Cellular Biology
Background:
- Endometrial polyps (EPs) are common gynecological growths with unknown causes.
- Recurrence and malignant transformation are potential complications of EPs.
- Immune system dysregulation is implicated in various health conditions, including EP risk factors.
Purpose of the Study:
- To investigate the role of cellular immunity, specifically CD4+ T cells, in premenopausal women with and without EPs.
- To explore the impact of hysteroscopic polypectomy on immune cell profiles.
- To identify immune markers associated with EP recurrence.
Main Methods:
- Analysis of CD4+ T cell expression of RORC, TBX21, and FOXP3 in premenopausal women with and without EPs.
- Measurement of cytokine secretion (IFN-γ, IL-17, TGF-β) from stimulated CD4+ T cells.
- Comparison of immune cell profiles before and after hysteroscopic polypectomy, and in relation to EP recurrence.
Main Results:
- Women with EPs exhibited higher RORC expression and increased IFN-γ and IL-17, with decreased TGF-β secretion from CD4+ T cells compared to controls.
- Hysteroscopic polypectomy did not significantly alter CD4+ T cell composition or inflammatory profiles.
- Recurrent EPs were associated with persistently higher RORC, IFN-γ, IL-17, and lower FOXP3 and TGF-β expression post-surgery.
Conclusions:
- CD4+ T cell imbalance, characterized by Th17 skewing and impaired regulatory T cell function, is associated with endometrial polyp development.
- Immune dysregulation persists after surgical removal and is linked to EP recurrence.
- Targeting T cell pathways may offer novel therapeutic strategies for managing recurrent endometrial polyps.
Related Concept Videos
01:10Homeostatic Imbalance
36.0K
Homeostasis is the maintenance of a stable internal environment within the body, which is crucial for the proper functioning of cells, tissues, organs, and organ systems. The body has various control mechanisms that work together to regulate various physiological parameters such as temperature, blood pressure, pH balance, and fluid balance, to name a few. These control mechanisms are based on feedback loops that can be either positive or negative.
However, sometimes these feedback loops fail,...
However, sometimes these feedback loops fail,...
36.0K
01:26Imbalances in Cardiac Output
3.3K
The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...
3.3K
01:19Homeostatic Imbalances in Body Temperature
4.2K
Hyperthermia occurs when the body's temperature becomes unusually high, often due to heat exposure, intense physical activity, or certain illnesses. This condition can create a dangerous cycle where elevated body temperature increases the metabolic rate, generating more heat and potentially leading to organ failure and brain damage. A severe form of hyperthermia, called heat stroke, can raise body temperature to life-threatening levels. Fever, on the other hand, is a controlled form of...
4.2K
01:24Blood Pressure Imbalances and Circulatory Shock
1.7K
Disorders affecting blood volume, vascular tone, or vascular function can disrupt vascular homeostasis, including conditions like hypertension, hemorrhage, and shock.
Blood Pressure: Hypertension and Hypotension
Normal blood pressure is 120/80 mm Hg. Elevated blood pressure is 120-129/under 80 mm Hg. Hypertension, warranting treatment at 130/80 mm Hg, is often asymptomatic and can lead to severe cardiovascular events, aneurysms, peripheral arterial disease, chronic renal disease, or cardiac...
Blood Pressure: Hypertension and Hypotension
Normal blood pressure is 120/80 mm Hg. Elevated blood pressure is 120-129/under 80 mm Hg. Hypertension, warranting treatment at 130/80 mm Hg, is often asymptomatic and can lead to severe cardiovascular events, aneurysms, peripheral arterial disease, chronic renal disease, or cardiac...
1.7K
01:07What are Cells?
205.7K
Cells are the smallest and basic units of life, whether it is a single cell that forms the entire organism, e.g., in a bacterium or trillions of them, e.g., in humans. No matter what organism a cell is a part of, they share specific characteristics.
Basic Characteristics of Cells
A living cell has a plasma membrane, a bilayer of lipids that separates the aqueous solution inside the cell called the cytoplasm from the outside environment.
Furthermore, a living cell possesses genetic information...
Basic Characteristics of Cells
A living cell has a plasma membrane, a bilayer of lipids that separates the aqueous solution inside the cell called the cytoplasm from the outside environment.
Furthermore, a living cell possesses genetic information...
205.7K
02:03What is Cell Signaling?
131.2K
Despite the protective membrane that separates a cell from the environment, cells need the ability to detect and respond to environmental changes. Additionally, cells often need to communicate with one another. Unicellular and multicellular organisms use a variety of cell signaling mechanisms to communicate to respond to the environment.
131.2K