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Study on the relationship between CXCR3 and its ligands and tubal tuberculosis
Hu Sun1, Jiahui Fan1, Xiaoqian Shang2
1State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asia, Clinical Laboratory Center, Tumor Hospital Affiliated to Xinjiang Medical University, Urumqi 830000, China; First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830011, China.
Objective:
Chemokines play an important role in Mycobacterium tuberculosis infection. We aimed to investigate CXCR3, CXCL9, CXCL10 and CXCL11 to explore the correlation between the severity of tubal tuberculosis and chemokines.
Methods:
26 patients with tubal tuberculosis diagnosed in our hospital from 2016 to 2019 were selected as the experimental group, and 18 female patients who underwent high-risk pregnancy supervision in our hospital from 2016 to 2018 were selected as the control group. The pathological manifestations of tubal tuberculosis were observed by HE staining, the expressions of CXCR3 and its ligands in fallopian tubes were detected by immunohistochemistry.
Results:
Typical granulomatous structure of tubal tuberculosis was observed by HE staining and most of them were accompanied by massive necrosis in the experimental group, while no granulomatous lesions were found in the control group. The results of immunohistochemical staining showed that CXCR3 and its ligands were expressed in the cytoplasm and nucleus of oviduct epithelial cells and inflammatory cells, in the granuloma area. CXCL9, CXCL10 and CXCL11 were related to the severity of the disease.
Key Findings:
CXCR3 and its ligands were positively expressed in tubal tuberculosis, especially CXCL9, CXCL10 and CXCL11 were positively correlated with the severity of fallopian tube disease.
Significance:
It is helpful for clinical diagnosis and treatment detection, and provides a new therapeutic target for the study of female genital tuberculosis in the future.
Insights
Chemokines like CXCL9, CXCL10, and CXCL11 are linked to tubal tuberculosis severity. Their expression in fallopian tubes aids in diagnosing female genital tuberculosis.
Area of Science:
- Immunology
- Infectious Diseases
- Gynecology
Background:
- Chemokines are crucial in Mycobacterium tuberculosis infections.
- Tubal tuberculosis is a significant form of female genital tuberculosis.
Purpose of the Study:
- To investigate the role of CXCR3 and its ligands (CXCL9, CXCL10, CXCL11) in tubal tuberculosis.
- To explore the correlation between chemokine expression and disease severity.
Main Methods:
- Compared 26 tubal tuberculosis patients with 18 controls.
- Utilized HE staining for pathology and immunohistochemistry for chemokine expression in fallopian tubes.
Main Results:
- Tubal tuberculosis showed granulomatous structures and necrosis; controls did not.
- CXCR3 and its ligands were expressed in epithelial and inflammatory cells within granulomas.
- CXCL9, CXCL10, and CXCL11 positively correlated with tubal tuberculosis severity.
Conclusions:
- CXCR3 and its ligands are expressed in tubal tuberculosis.
- CXCL9, CXCL10, and CXCL11 correlate with disease severity, aiding diagnosis.
- These chemokines represent potential therapeutic targets for female genital tuberculosis.
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