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 molecular study elucidates the binding mechanism of (-)-epigallocatechin-3-O-gallate (EGCG), the major bioactive polyphenol in green tea, to its cell surface receptor 67 kDa laminin receptor (67LR). The authors demonstrate that EGCG activates 67LR through oligomer formation on the receptor surface, providing mechanistic insight into a previously uncharacterised interaction. This foundational biochemical work contributes to understanding how tea polyphenols exert their cellular signalling effects.

UK applicability

This mechanistic finding is relevant to UK research on bioactive compounds in plant-based foods and their health effects, though it represents basic science rather than direct dietary or agricultural application. The work supports the scientific rationale for investigating green tea consumption in UK nutritional epidemiology and intervention studies.

Key measures

EGCG oligomerisation on 67LR surface receptor; activation mechanism of 67LR by EGCG

Outcomes reported

The study demonstrated that EGCG, a green tea polyphenol, undergoes oligomer formation when binding to its cell surface sensing receptor 67LR. This finding elucidates the previously unknown molecular mechanism by which EGCG activates 67LR signalling.

Theme
Nutrition & health
Subject
Phytochemicals & bioactive compounds
Study type
Research
Study design
Laboratory / in vitro mechanistic study
Source type
Peer-reviewed study
Status
Published
Geography
Japan
System type
Laboratory / in vitro
DOI
10.1039/c6cc09504f
Catalogue ID
BFmovi1lcz-cbpyb5

Topic tags

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