Evidence map›Paper›PMID 29777149›Full record

ArticleScientific reports2018

Stretching Reduces Tumor Growth in a Mouse Breast Cancer Model.

L Berrueta, J Bergholz, D Munoz, I Muskaj, G J Badger, A Shukla, H J Kim, J J Zhao, H M Langevin

Erratum issued Registry-linked trialOpen access · goldAbstract read
In one paragraph

Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. It is linked to trial NCT06949007 (Yoga for Persistent Post-Surgical Pain), which is not on this map. Cited by 34 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
34citing papers in PubMed, 1 pooled it
4.4field-weighted citation impact, top 5% 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.

NCT06949007 narecruitingnot on this mapstarted 2026, after this paper: background citation

Yoga for Persistent Post-Surgical Pain (PPSP)

TypeinterventionalSponsorBrigham and Women's HospitalRan2026 to 2029Enrolled50ConditionsPersistent Post-surgical PainArmsYoga, Chronic Pain Health Education
3 · Its place in the literature

Who cites it

34 citing papers in PubMed, 1 synthesis or guideline pooled it, 64 citations in OpenAlex.

  1. Pooled it
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  4. The Science of Tai Chi andJournal of integrative and complementary medicine · 2025
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

9 authors at 4 institutions in 1 country.

L BerruetaOsher Center for Integrative Medicine, Division of Preventive Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, USA.
J BergholzDana Farber Cancer Institute, Institute, Department of Cancer Biology, Boston, USA.
D MunozOsher Center for Integrative Medicine, Division of Preventive Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, USA.
I MuskajOsher Center for Integrative Medicine, Division of Preventive Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, USA.
G J BadgerUniversity of Vermont Department of Medical Biostatistics, Burlington, USA.
A ShuklaUniversity of Vermont Cancer Center, Burlington, USA.
H J KimDana Farber Cancer Institute, Institute, Department of Cancer Biology, Boston, USA.
J J ZhaoDana Farber Cancer Institute, Institute, Department of Cancer Biology, Boston, USA. Jean_zhao@dfci.harvard.edu.
H M LangevinOsher Center for Integrative Medicine, Division of Preventive Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, USA. hlangevin@bwh.harvard.edu.
Brigham and Women's Hospital · USBoston University · USUniversity of Vermont · USUniversity of Vermont Medical Center · US

Funding

Research Training in Complementary and Integrative MedicineT32AT000051 · NCCIH · HARVARD UNIVERSITY (MEDICAL SCHOOL) · PI GLORIA Y YEH · 1999 to 2026
$10.2M
Effect of Stretching on Inflammatory ResolutionR01AT009267 · NCCIH · BRIGHAM AND WOMEN'S HOSPITAL · PI LANGEVIN, HELENE M · 2016 to 2018
$1.4M
NCCIH NIH HHS R01 AT009267NCCIH NIH HHS T32 AT000051
6 · The paper itself

Abstract

There is growing interest in developing non-pharmacological treatments that could boost natural defenses against cancer and contribute to primary and secondary cancer prevention. Recent studies have shown that gentle daily stretching for 10 minutes can reduce local connective tissue inflammation and fibrosis. Because mechanical factors within the stroma can influence the tumor microenvironment, we hypothesized that stretching would reduce the growth of tumors implanted within locally stretched tissues and tested this hypothesis in a mouse orthotopic breast cancer model. Female FVB mice (N = 66) underwent bilateral injection of p53/PTEN double-null primary mouse mammary tumor cells into the third mammary fat pad. Mice were randomized to stretch vs. no stretch, and treated for 10 minutes once a day, for four weeks. Tumor volume at end-point was 52% smaller in the stretch group, compared to the no-stretch group (p < 0.001) in the absence of any other treatment. Cytotoxic immune responses were activated and levels of Specialized Pro-Resolving Mediators were elevated in the stretch group. These results suggest a link between immune exhaustion, inflammation resolution and tumor growth. Stretching is a gentle, non-pharmacological intervention that could become an important component of cancer treatment and prevention.

Indexed as

Muscle Stretching ExercisesAnimalsBreast NeoplasmsCytokinesDisease Models, AnimalDisease ProgressionDocosahexaenoic AcidsFemaleGene Expression Regulation, NeoplasticMicePTEN PhosphohydrolaseTumor MicroenvironmentTumor Suppressor Protein p53CytokinesDocosahexaenoic AcidsPTEN PhosphohydrolasePten protein, mouseTrp53 protein, mouseTumor Suppressor Protein p53

Identifiers

PMID29777149
PMCPMC5959865
OpenAlexW2804153880

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

Registered trials

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.