Related Experiment Video
Updated: Jan 27, 2026

Isolating Human Peripheral Blood Mononuclear Cells and CD4+ T cells from Sézary Syndrome Patients for Transcriptomic Profiling
Published on: October 14, 2021
Changes in peripheral blood Th1/Th2 cell balance in patients with condyloma acuminatum
Li Li1, Zai-gao Zhou, Kang Zeng
1Department of Dermatology, Nanfang Hospital, First Military Medical University, Guangzhou 510515, China. lilyzzr@sohu.com
Insights
Condyloma acuminatum (CA) is linked to an imbalance in T helper cells. Patients show fewer Th1 cells and more Th2 cells, suggesting this imbalance contributes to CA development and recurrence.
Area of Science:
- Immunology
- Dermatology
- Virology
Background:
- Condyloma acuminatum (CA) is a common sexually transmitted infection caused by human papillomavirus (HPV).
- T helper (Th) cells, specifically Th1 and Th2 subsets, play crucial roles in regulating immune responses.
- An imbalance in Th1/Th2 populations has been implicated in various infectious and autoimmune diseases.
Purpose of the Study:
- To investigate the association between peripheral blood T helper type 1 (Th1) and type 2 (Th2) cell imbalance and the occurrence of condyloma acuminatum (CA).
Main Methods:
- Flow cytometry was used to quantify interferon-gamma (IFN-γ)-producing Th1 cells and interleukin-4 (IL-4)-producing Th2 cells in CD4+ T-cells.
- The study included 40 patients diagnosed with CA and 20 healthy volunteers as controls.
- The Th1/Th2 cell ratio was analyzed for its significance in the etiology of CA.
Main Results:
- Patients with CA exhibited a significant decrease in peripheral blood Th1 cells (secreting IFN-γ) compared to healthy controls (P <0.05).
- Conversely, Th2 cells (producing IL-4) were significantly increased in CA patients (P <0.05).
- The Th1/Th2 cell ratio was significantly reduced in CA patients (P <0.01), indicating a shift towards Th2 predominance.
Conclusions:
- The observed increase in Th2 cells and decrease in Th1 cells in the peripheral blood of CA patients leads to a relative Th2 predominance.
- This Th1/Th2 imbalance may play a significant role in the etiology and recurrence of condyloma acuminatum.
- Restoring Th1/Th2 balance could be a potential therapeutic strategy for CA.
Objective:
To explore the association of peripheral blood T helper type 1 (Th1) and type 2 (Th2) imbalance with the occurrence of condyloma acuminatum (CA).
Methods:
Interferon-gamma(IFN-gamma) and interleukin-4 (IL-4) secreted by CD4(+) T-cells were detected by flow cytometry in 40 patients with CA and 20 healthy volunteers, and significance of Th1/Th2 cell ratio in the etiology of the CA was analyzed.
Results:
Peripheral blood Th1 cells that secreted IFN-gamma were significantly decreased in number in patients with CA (P <0.05), while Th2 cells producing IL-4 increased (P <0.05). The Th1/Th2 cell ratio was significantly reduced in CA patients as compared with the health control subjects (P <0.01).
Conclusion:
Increases of Th2 cells and decrease of Th1 cells in the peripheral blood of CA patients result in relative Th2 predominance and breach the Th1/Th2 balance, which may play an important role in the etiology and recurrence of CA.
Related Concept Videos
Balancing Redox Equations
Energy Balance
Equilibrium and Balance
Disorder of Water Balance
Dehydration
Dehydration occurs when the body loses fluids (particularly water).
Causes:
The major causes of dehydration include excessive sweating, fever, vomiting, diarrhea, and diuresis.
Signs and Symptoms:
Symptoms primarily include intense...
Acid-Base Balance
When the pH of arterial blood rises above 7.45, it results in a condition called alkalosis. Conversely, a drop below 7.35 leads to...
Respiratory Regulation of Acid-Base Balance
When carbon dioxide levels increase in the blood, more H+ and HCO3⁻ are...

