Hyperexpression of TNF-Stimulated 6 (TSG-6) of HumanTracheal Aspirate and Bronchial Alveolar Lavage from Heavy-Smoker and Lung TB

Djoko Trihadi*  -  Bagian Penyakit Dalam Fakultas Kedokteran Universitas Islam Sultan Agung (UNISSULA), Indonesia

(*) Corresponding Author
Background: TSG-6, an inflamation-associated protein, forms covalent complexes with heavy-chains from TNF. These protein potentiating the antiplasmin activity of this serine protease inhibitor. The aim of study was to determine and show that TSG-6 are present in Bronchoalveolar Lavage (BAL) from patients with lung TB and heavy smoker.

Design and Methods: Experiments conducted in vitro with purified components revealed that TSG-6 had immunodetection in the Human Tracheal Aspirates (HTA) and BAL of heavy smoker and Lung Tuberculosis.

Results: Immunoprecipitation revealed that TSG-6 accounts in airways hyperresponsiveness for significant proportion of BAL and HTA, but not in control (p < 0,01). TSG-6 relevant protease inhibitor in airway secretion. In primary cultures of differentiated human airway epithelial, which suggest that TSG-6 may be induced by TNF. Our results suggest that TSG-6 may play an important protective role in bronchial epithellium buy increasing the antiprotese screen on the airway lumen. The present study identifies a novel function of TSG-6 by a distinct mechanism system regulated, enhancement of anti TK activity, and provides a rational for this activity within the context of inflamed airways. These findings correlate with the observed increases in protein expressions in human HTA and BAL.

Conclusions: TSG-6 are hyper-expressed in airway epithelial cells in cultures of smoker and lung TB. The interactions of TSG-6 with other molecules are also potentially important to the pathophysiologic aspects of inflammatory airways diseases that remain to be elucidated (Sains Medika, 3(1):31-40).

Keywords : TSG-6; BAL; HTA; expression

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Sains Medika : Jurnal Kedokteran dan Kesehatan
is published by Fakultas Kedokteran Universitas Islam Sultan Agung Semarang, Indonesia.
Jl. Raya Kaligawe Km.4, PO BOX 1054/SM Semarang 50112
Website: https://fkunissula.ac.id/
Email: sainsmedika@unissula.ac.id

ISSN: 2339-093X (Online) | 2085-1545 (Print)
DOI : 10.30659/sainsmed

This work is licensed under a [note] - Creative Commons Attribution 4.0 International License

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