Evidence map›Paper›PMID 33027981›Full record

ReviewMolecules (Basel, Switzerland)2020

Anti-Cancer Effects of Green Tea Epigallocatchin-3-Gallate and Coffee Chlorogenic Acid.

Sumio Hayakawa, Tomokazu Ohishi, Noriyuki Miyoshi, Yumiko Oishi, Yoriyuki Nakamura, Mamoru Isemura

Open access · goldAbstract readReview
In one paragraph

Review in Molecules (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 84 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
84citing papers in PubMed, 1 pooled it
11.9field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

84 citing papers in PubMed, 1 synthesis or guideline pooled it, 154 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Review
  4. Article
  5. Article
  6. Article
  7. Review
  8. Article
  9. The Role of Natural Compounds in Bladder Urothelial Carcinoma Treatment.International journal of molecular sciences · 2026
    Review
  10. From traditional remedy toFrontiers in pharmacology · 2026
    Article
  11. Review
  12. Article
  13. Review
  14. Review
  15. Article
  16. Towards Cytotoxic Derivatives of Cafestol.Molecules (Basel, Switzerland) · 2025
    Article
  17. Review
  18. Article
  19. Review
  20. Article

24 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 3 institutions in 1 country.

Sumio HayakawaDepartment of Biochemistry and Molecular Biology, Graduate School of Medicine, Nippon Medical School, Bunkyo-ku, Tokyo 113-8602, Japan.
Tomokazu OhishiInstitute of Microbial Chemistry (BIKAKEN), Numazu, Microbial Chemistry Research Foundation, Shizuoka 410-0301, Japan.ORCID 0000-0002-9039-4474
Noriyuki MiyoshiSchool of Nutritional and Environmental Sciences, University of Shizuoka, Suruga-ku, Shizuoka 422-8526, Japan.ORCID 0000-0002-4233-4282
Yumiko OishiDepartment of Biochemistry and Molecular Biology, Graduate School of Medicine, Nippon Medical School, Bunkyo-ku, Tokyo 113-8602, Japan.ORCID 0000-0002-4761-0952
Yoriyuki NakamuraSchool of Nutritional and Environmental Sciences, University of Shizuoka, Suruga-ku, Shizuoka 422-8526, Japan.
Mamoru IsemuraSchool of Nutritional and Environmental Sciences, University of Shizuoka, Suruga-ku, Shizuoka 422-8526, Japan.ORCID 0000-0002-2965-1742
University of Shizuoka · JPNippon Medical School · JPMicrobial Chemistry Research Foundation · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Tea and coffee are consumed worldwide and epidemiological and clinical studies have shown their health beneficial effects, including anti-cancer effects. Epigallocatechin gallate (EGCG) and chlorogenic acid (CGA) are the major components of green tea polyphenols and coffee polyphenols, respectively, and believed to be responsible for most of these effects. Although a large number of cell-based and animal experiments have provided convincing evidence to support the anti-cancer effects of green tea, coffee, EGCG, and CGA, human studies are still controversial and some studies have suggested even an increased risk for certain types of cancers such as esophageal and gynecological cancers with green tea consumption and bladder and lung cancers with coffee consumption. The reason for these inconsistent results may have been arisen from various confounding factors. Cell-based and animal studies have proposed several mechanisms whereby EGCG and CGA exert their anti-cancer effects. These components appear to share the common mechanisms, among which one related to reactive oxygen species is perhaps the most attractive. Meanwhile, EGCG and CGA have also different target molecules which might explain the site-specific differences of anti-cancer effects found in human studies. Further studies will be necessary to clarify what is the mechanism to cause such differences between green tea and coffee.

Indexed as

Antineoplastic Agents, PhytogenicAntioxidantsChlorogenic AcidAnimalsCatechinCoffeeHumansNeoplasmsTeaAntineoplastic Agents, PhytogenicAntioxidantsCatechinChlorogenic AcidCoffeeepigallocatechin gallateTeaAMPKcancerchlorogenic acidcoffeeEGCGNF-κBROStea

Identifiers

PMID33027981
PMCPMC7582793
OpenAlexW3090599539

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.