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Chinese Journal of Critical Care Medicine(Electronic Edition) ›› 2018, Vol. 11 ›› Issue (06): 372-376. doi: 10.3877/cma.j.issn.1674-6880.2018.06.003

Special Issue:

• Original Article • Previous Articles     Next Articles

Immunomodulatory effect of urinary trypsin inhibitor on patients with severe tuberculosis

Minjie Mao1,(), Caihong Wang1, Lei Pan1, Jiekun Xu1, Xiaohong Pan1, Junke Qiu1, Xiaoqing Huang1   

  1. 1. Department of Tuberculosis Intensive Care Unit, Hangzhou Red Cross Hospital, Hangzhou 310003, China
  • Received:2018-09-24 Online:2018-12-01 Published:2018-12-01
  • Contact: Minjie Mao
  • About author:
    Corresponding author: Mao Minjie, Email:

Abstract:

Objective

To explore the immunomodulatory effect of urinary trypsin inhibitor (UTI) on patients with severe tuberculosis.

Methods

Totally 84 patients with severe tuberculosis admitted to Hangzhou Red Cross Hospital from January 2015 to November 2017 were randomly divided into the UTI group and control group, with 42 cases in each group. The control group was given conventional treatment, while the UTI group received intravenous injection of UTI, 100 000 units every 8 hours for 7 days on the second day of admission to ICU based on conventional treatment. The general information, acute physiology and chronic health evaluation (APACHE) Ⅱ score, and expressions of interleukin-2 (IL-2), IL-6, IL-10, IL-12, interferon-gamma (INF-γ), transforming growth factor-beta (TGF-β), tumor necrosis factor-alpha (TNF-α), CD4+T lymphocytes, CD8+T lymphocytes, Tregs cells and inducible costimulatory molecule (ICOS)+ Tregs cells in peripheral blood were compared between those two groups.

Results

After treatment, the APACHEⅡ score [(22.5 ± 2.2) vs. (25.8 ± 1.5), t = 2.025, P = 0.043], IL-6 [(137 ± 33) ng / L vs. (116 ± 42) ng / L, t = 2.785, P = 0.045)], IL-10 [(29 ± 6) ng / L vs. (26 ± 5) ng / L, t = 2.143, P = 0.039], IL-12 [(84 ± 26) ng / L vs. (65 ± 22) ng / L, t = 2.009, P = 0.043], TGF-β [(8.5 ± 2.3) ng / L vs. (9.8 ± 2.8) ng / L, t = 1.613, P = 0.045], CD8+T lymphocytes [(43 ± 13)% vs. (38 ± 12)%, t = 1.856, P = 0.043)] and Tregs cells [(5.8 ± 1.1)% vs. (5.1 ± 0.9)%, t = 1.645, P = 0.045] of patients with severe tuberculosis were significantly different between the UTI group and control group. There were no significant differences of IL-2 [(835 ± 188) ng / L vs. (744 ± 324) ng / L, t = 0.656, P = 0.458], INF-γ [(200 ± 88) ng / L vs. (203 ± 78) ng / L, t = 0.912, P = 0.061], TNF-α [(854 ± 256) μg / L vs. (808 ± 213) μg / L, t = 0.956, P = 0.785], CD4+T lymphocytes [(48 ± 8)% vs. (49 ± 14)%, t = 0.756, P = 0.985] and ICOS+Tregs cells [(1.0 ± 0.7)% vs. (1.0 ± 0.9)%, t = 0.956, P = 0.089] between these two groups.

Conclusion

UTI can regulate the cellular immunity and reduce the release of inflammatory factors in patients with severe tuberculosis, thereby improving their APACHE Ⅱ score and prognosis.

Key words: Urinary trypsin inhibitor, Tuberculosis, Critical illness, Immunomodulation

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