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2015 Fiscal Year Final Research Report

Development of the novel therapeutic drug for chronic obstructive pulmonary disease

Research Project

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Project/Area Number 25860029
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Physical pharmacy
Research InstitutionTokyo University of Science

Principal Investigator

Horiguchi Michiko  東京理科大学, 薬学部, 助教 (70632470)

Project Period (FY) 2013-04-01 – 2016-03-31
Keywords慢性閉塞性肺疾患 / 活性型ビタミンD3 / 再生治療
Outline of Final Research Achievements

COPD is a progressive respiratory disease with several causes, including smoking, and no curative therapeutic agent is available, particularly for destructive alveolar lesions. In this study, we investigated the alveolar regenerative effect of the active vitamin 1,25-dihydroxy vitamin D3 (VD3) with the ultimate goal of developing a novel curative drug for COPD. To evaluate the alveolus-repairing effect of VD3, we administered VD3 intrapulmonarily to elastase-induced COPD model mice and computed the mean distance between the alveolar walls as an index of the extent of alveolar injury. Results showed revealing excellent alveolus-regenerating effect of VD3. These results revealed the potent activity of VD3 in inducing differentiation of the Calu-6 cells and the effect of topical administration of VD3 to the lungs to induce lung regeneration at histological and functional levels, demonstrating the potential of VD3 as a curative agent for alveolar destruction in COPD.

Free Research Field

薬剤学

URL: 

Published: 2017-05-10  

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