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 mechanism by which epigallocatechin-3-O-gallate (EGCG), a major green tea polyphenol, activates its cell surface receptor 67 kDa laminin receptor (67LR). The authors demonstrate that EGCG undergoes oligomer formation directly on the 67LR surface, providing mechanistic insight into a previously characterised but incompletely understood bioactive pathway. The findings contribute to understanding how tea polyphenols interact with cellular sensing machinery at the molecular level.

UK applicability

These fundamental biochemical findings are relevant to UK-consumed green tea products and may inform future functional food or nutraceutical development. However, the in vitro nature of the work means direct translation to dietary intake recommendations or human health outcomes would require additional intervention studies in human populations.

Key measures

EGCG oligomerisation on 67LR receptor surface; receptor activation mechanism

Outcomes reported

The study identified that EGCG undergoes oligomer formation on the cell surface receptor 67LR, elucidating a previously unknown molecular mechanism of activation. The findings characterise the biochemical interaction between this tea polyphenol and its cognate sensing receptor.

Theme
Nutrition & health
Subject
Phytochemicals & bioactive compounds
Study type
Research
Study design
Laboratory / in vitro study
Source type
Peer-reviewed study
Status
Published
Geography
Japan
System type
Laboratory / in vitro
DOI
10.1039/c6cc09504f
Catalogue ID
BFmor3fvaq-f6upsi

Topic tags

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