Evidence map›Paper›PMID 34485137›Full record

ReviewFrontiers in oncology2021

Obesity and Breast Cancer: A Paradoxical and Controversial Relationship Influenced by Menopausal Status.

Laura García-Estévez, Javier Cortés, Silvia Pérez, Isabel Calvo, Isabel Gallegos, Gema Moreno-Bueno

Open access · goldAbstract readReview
In one paragraph

Review in Frontiers in oncology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 92 papers, 6 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
92citing papers in PubMed, 6 pooled it
9.8field-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

92 citing papers in PubMed, 6 syntheses or guidelines pooled it, 147 citations in OpenAlex.

  1. Pooled it
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  5. Genetic alterations inFrontiers in oncology · 2023
    Pooled it
  6. Pooled it
  7. Trial
  8. Aerobic exercise and aromatase inhibitor-associated musculoskeletal symptoms: results of a randomized clinical trial.Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer · 2025
    Trial
  9. Trial
  10. Effect of Metformin on Breast Density in Overweight/Obese Premenopausal Women.Diabetes, metabolic syndrome and obesity : targets and therapy · 2021
    Trial
  11. Review
  12. Article
  13. Article
  14. Review
  15. Article
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  19. Weight change and diabetes risk following breast cancer: a nationwide cohort study.Journal of cancer survivorship : research and practice · 2025
    Article
  20. Review

32 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.

Laura García-EstévezBreast Cancer Department, MD Anderson Cancer Center, Madrid, Spain.
Javier CortésInternational Breast Cancer Center (IBCC), Barcelona, Spain.
Silvia PérezBreast Cancer Department, MD Anderson Cancer Center, Madrid, Spain.
Isabel CalvoBreast Cancer Department, MD Anderson Cancer Center, Madrid, Spain.
Isabel GallegosBreast Cancer Department, MD Anderson Cancer Center, Madrid, Spain.
Gema Moreno-BuenoCentro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain.
MD Anderson Cancer Center Madrid · ESCentro de Investigación Biomédica en Red de Cáncer · ESMedSIR (Spain) · ES

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Breast cancer is the most common tumor in women worldwide, and an increasing public health concern. Knowledge of both protective and negative risk factors is essential for a better understanding of this heterogenous disease. We undertook a review of the recent literature and evaluated the relationship between obesity mediators and breast cancer development depending on menopausal status. Excess weight is now pandemic and has replaced tobacco as the main lifestyle-related risk factor for premature death. Although the prevalence of obesity/overweight has increased globally over the last 50 years, the potential harm attributable to excess fat has generally been underestimated. The relationship between overweight/obesity, breast cancer and overall risk appears to be highly dependent on menopausal status. Thus, obesity increases the risk of breast cancer in postmenopausal women but, conversely, it appears to be protective in premenopausal women. We evaluate the role of different clinical factors potentially involved in this seemingly contradictory relationship, including estrogen, mammogram density, adipokines, insulin-signaling pathway activation, and inflammatory status. A key focus of this review is to better understand the impact of body mass index and menopausal status on these clinical factors and, hence, provide some clarity into the inter-relationships involved in this controversial issue.

Indexed as

adipocytokineestrogeninsulinmammogrammenopauseobesityoverweight

Identifiers

PMID34485137
PMCPMC8414651
OpenAlexW3195011818

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.