Immunomodulatory Potential of a Bibenzyl-dihydrophenanthrene Derivative Isolated from Calanthe cardioglossa

IF 3.3 2区生物学 Q2 CHEMISTRY, MEDICINAL Journal of Natural Products Pub Date : 2025-01-29 DOI:10.1021/acs.jnatprod.4c0139410.1021/acs.jnatprod.4c01394

Chattarika Pengdee, Adeline Dehlinger, Waraluck Chaichompoo, Virunh Kongkatitham, Chatchai Chaotham, Pornchai Rojsitthisak, Chotima Böttcher* and Boonchoo Sritularak*,

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Abstract

Bibenzyls and dihydrophenanthrenes exhibit promising immunomodulatory effects in various human diseases. In this study, we isolated one new dihydrophenanthrene derivative (1), two new bibenzyl-dihydrophenanthrene derivatives (2, 3) along with 12 known compounds (4–15) from the methanol extract of Calanthe cardioglossa. These compounds were identified by using physicochemical analyses and spectroscopic methods. The three new compounds possess enantiomeric forms, and their configurations were determined by comparing the experimental electronic circular dichroism (ECD) spectra to data from the literature. The immunomodulatory activity of the isolated compounds was assessed in THP-1 monocytes and human peripheral blood mononuclear cells (PBMCs) derived from multiple sclerosis (MS) patients. Notably, five of the isolated compounds significantly reduced the TNF-α levels in LPS-stimulated THP-1 monocytes. Furthermore, calancardin B (2) exhibited a significant reduction in TNF-α levels in both THP-1 monocytes and CD14⁺ monocytes from MS PBMCs.

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来源期刊

Journal of Natural Products 生物-药学

CiteScore

9.10

自引率

5.90%

发文量

294

审稿时长

2.3 months

期刊介绍： The Journal of Natural Products invites and publishes papers that make substantial and scholarly contributions to the area of natural products research. Contributions may relate to the chemistry and/or biochemistry of naturally occurring compounds or the biology of living systems from which they are obtained. Specifically, there may be articles that describe secondary metabolites of microorganisms, including antibiotics and mycotoxins; physiologically active compounds from terrestrial and marine plants and animals; biochemical studies, including biosynthesis and microbiological transformations; fermentation and plant tissue culture; the isolation, structure elucidation, and chemical synthesis of novel compounds from nature; and the pharmacology of compounds of natural origin. When new compounds are reported, manuscripts describing their biological activity are much preferred. Specifically, there may be articles that describe secondary metabolites of microorganisms, including antibiotics and mycotoxins; physiologically active compounds from terrestrial and marine plants and animals; biochemical studies, including biosynthesis and microbiological transformations; fermentation and plant tissue culture; the isolation, structure elucidation, and chemical synthesis of novel compounds from nature; and the pharmacology of compounds of natural origin.