PMID- 27741312 OWN - NLM STAT- MEDLINE DCOM- 20170522 LR - 20181113 IS - 1932-6203 (Electronic) IS - 1932-6203 (Linking) VI - 11 IP - 10 DP - 2016 TI - Aqueous Extract of Gumiganghwal-tang, a Traditional Herbal Medicine, Reduces Pulmonary Fibrosis by Transforming Growth Factor-beta1/Smad Signaling Pathway in Murine Model of Chronic Asthma. PG - e0164833 LID - 10.1371/journal.pone.0164833 [doi] LID - e0164833 AB - Gumiganghwal-tang is a traditional herbal prescription that is used widely for the treatment of the common cold and inflammatory diseases in Korea and other Asian countries. In this study, we investigated the protective effects of a Gumiganghwal-tang aqueous extract (GGTA) against airway inflammation and pulmonary fibrosis using a mouse model of chronic asthma. Chronic asthma was modeled in BALB/c mice via sensitization/challenge with an intraperitoneal injection of 1% ovalbumin (OVA) and inhalation of nebulized 1% OVA for 4 weeks. GGTA (100 mg/kg or 200 mg/kg) was also administered by oral gavage once a day for 4 weeks. We investigated the number of inflammatory cells, production of T-helper type 2 (Th2) cytokines, chemokine and the total transforming growth factor-beta1 (TGF-beta1) in bronchoalveolar lavage fluid (BALF); the levels of immunoglobulin E (IgE) in the plasma; the infiltration of inflammatory cells in lung tissue; and the expression of TGF-beta1, Smad-3, and collagen in lung tissue. Our results revealed that GGTA lowered the recruitment of inflammatory cells (particularly, lymphocyte); and decreased the production of Th2 cytokines, chemokine and total TGF-beta1; and attenuated the levels of total and OVA-specific IgE; and decreased the infiltration of inflammatory cells. Moreover, GGTA significantly reduced the expression of TGF-beta1 and Smad-3, and lowered collagen deposition. These results indicate that GGTA reduces airway inflammation and pulmonary fibrosis by regulating Th2 cytokines production and the TGF-beta1/Smad-3 pathway, thus providing a potential treatment for chronic asthma. FAU - Jeon, Woo-Young AU - Jeon WY AUID- ORCID: 0000-0002-3321-3788 AD - K-herb Research Center, Korea Institute of Oriental Medicine, Daejeon, Republic of Korea. FAU - Shin, In-Sik AU - Shin IS AD - College of Veterinary Medicine, Chonnam National University, Gwangju, Republic of Korea. FAU - Shin, Hyeun-Kyoo AU - Shin HK AD - K-herb Research Center, Korea Institute of Oriental Medicine, Daejeon, Republic of Korea. FAU - Jin, Seong Eun AU - Jin SE AD - K-herb Research Center, Korea Institute of Oriental Medicine, Daejeon, Republic of Korea. FAU - Lee, Mee-Young AU - Lee MY AD - K-herb Research Center, Korea Institute of Oriental Medicine, Daejeon, Republic of Korea. LA - eng PT - Journal Article DEP - 20161014 PL - United States TA - PLoS One JT - PloS one JID - 101285081 RN - 0 (Chemokines) RN - 0 (Cytokines) RN - 0 (Drugs, Chinese Herbal) RN - 0 (Plant Extracts) RN - 0 (Smad Proteins) RN - 0 (Transforming Growth Factor beta1) RN - 0 (kumi-kyokatsu-to) RN - 37341-29-0 (Immunoglobulin E) RN - 9006-59-1 (Ovalbumin) RN - 9007-34-5 (Collagen) SB - IM MH - Animals MH - Asthma/drug therapy/immunology MH - Bronchoalveolar Lavage Fluid/chemistry/cytology MH - Chemokines/analysis MH - Chronic Disease MH - Collagen/metabolism MH - Cytokines/analysis MH - Disease Models, Animal MH - Drugs, Chinese Herbal/chemistry/*pharmacology/therapeutic use MH - Enzyme-Linked Immunosorbent Assay MH - Female MH - Immunoglobulin E/blood MH - Lung/drug effects/metabolism/pathology MH - Mice MH - Mice, Inbred BALB C MH - Ovalbumin/immunology MH - Plant Extracts/chemistry/*pharmacology/therapeutic use MH - Pulmonary Fibrosis/prevention & control MH - Signal Transduction/*drug effects MH - Smad Proteins/*metabolism MH - Th2 Cells/cytology/immunology/metabolism MH - Transforming Growth Factor beta1/*metabolism PMC - PMC5065144 COIS- The authors declare that there is no conflict of, or competing financial interests regarding, the publication of this paper. EDAT- 2016/10/16 06:00 MHDA- 2017/05/23 06:00 PMCR- 2016/10/14 CRDT- 2016/10/15 06:00 PHST- 2016/02/12 00:00 [received] PHST- 2016/10/01 00:00 [accepted] PHST- 2016/10/15 06:00 [entrez] PHST- 2016/10/16 06:00 [pubmed] PHST- 2017/05/23 06:00 [medline] PHST- 2016/10/14 00:00 [pmc-release] AID - PONE-D-16-06119 [pii] AID - 10.1371/journal.pone.0164833 [doi] PST - epublish SO - PLoS One. 2016 Oct 14;11(10):e0164833. doi: 10.1371/journal.pone.0164833. eCollection 2016.