Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Oligomer formation of a tea polyphenol, EGCG, on its sensing molecule 67 kDa laminin receptor

Yuhui Huang, Mami Sumida, Motofumi Kumazoe, Kaori Sugihara, Yumi Suemasu, Shuhei Yamada, Shuya Yamashita, Jyunichi Miyakawa, Takashi Takahashi, Hiroshi Tanaka, Yoshinori Fujimura, Hirofumi Tachibana

Chemical Communications · 2017

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Summary

This in vitro study elucidates the previously unknown mechanism by which (-)-epigallocatechin-3-O-gallate (EGCG), a major bioactive polyphenol in green tea, activates its cell surface sensing receptor 67LR. The authors demonstrate that EGCG does not act as a monomer but instead forms oligomeric structures directly on the 67LR receptor surface, providing molecular-level insight into a key step in EGCG's cellular signalling pathway.

UK applicability

The findings contribute to fundamental understanding of green tea polyphenol bioactivity relevant to UK consumers and nutrition researchers, though the laboratory nature of the work means further translational studies are needed to establish physiological relevance and dietary implications.

Key measures

Oligomer formation of EGCG on 67 kDa laminin receptor (67LR)

Outcomes reported

The study investigated the molecular mechanism by which EGCG, a green tea polyphenol, activates its cell surface receptor 67LR. The research demonstrated that EGCG undergoes oligomer formation on the 67LR receptor surface.

Theme
Nutrition & health
Subject
Phytochemicals & bioactive compounds
Study type
Research
Study design
Laboratory / in vitro
Source type
Peer-reviewed study
Status
Published
System type
Laboratory / in vitro
DOI
10.1039/c6cc09504f
Catalogue ID
BFmohg5end-u2s9v4

Topic tags

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