Patient-derived interstitial fluids and predisposition to aggressive sporadic breast cancer through collagen remodeling and inactivation of p53

Timothy C. Kenny, Hank Schmidt, Kerin Adelson, Yujin Hoshida, Anna P. Koh, Nagma Shah, John Mandeli, Jess Ting, Doris Germain

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Purpose: Despite the fact that interstitial fluid (IF) represents a third of our body fluid, it is the most poorly understood body fluid in medicine. Increased IF pressure is thought to result from the increased deposition of extracellular matrix in the affected tissue preventing its reabsorption. In the cancer field, increased rigidity surrounding a cancerous mass remains the main reason that palpation and radiologic examination, such as mammography, are used for cancer detection. While the pressure produced by IF has been considered, the biochemical composition of IF has not been considered in its effect on tumors. Experimental Design: We classified 135 IF samples from bilateral mastectomy patients based on their ability to promote the invasion of breast cancer cells. Results: We observed a wide range of invasion scores. Patients with high-grade primary tumors at diagnosis had higher IF invasion scores. In mice, injections of high-score IF (IFHigh) in a normal mammary gland promotes ductal hyperplasia, increased collagen deposition, and local invasion. In a mouse model of residual disease, IFHigh increased disease progression and promoted aggressive visceral metastases. Mechanistically, we found that IFHigh induces myofibroblast differentiation and collagen production through activation of CLIC4. IFHigh also downregulates RYBP, leading to degradation of p53. Furthermore, in mammary glands of heterozygous p53-mutant knock-in mice, IFHigh promotes spontaneous tumor formation. Conclusions: Our study indicates that IF can increase the deposition of extracellular matrix and raises the provocative possibility that they play an active role in the predisposition, development, and clinical course of sporadic breast cancers.

Original languageEnglish (US)
Pages (from-to)5446-5459
Number of pages14
JournalClinical Cancer Research
Volume23
Issue number18
DOIs
StatePublished - Sep 15 2017
Externally publishedYes

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Extracellular Fluid
Collagen
Breast Neoplasms
Body Fluids
Human Mammary Glands
Neoplasms
Extracellular Matrix
Pressure
Myofibroblasts
Palpation
Mastectomy
Mammography
Hyperplasia
Disease Progression
Research Design
Down-Regulation
Medicine
Neoplasm Metastasis
Injections

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

Cite this

Patient-derived interstitial fluids and predisposition to aggressive sporadic breast cancer through collagen remodeling and inactivation of p53. / Kenny, Timothy C.; Schmidt, Hank; Adelson, Kerin; Hoshida, Yujin; Koh, Anna P.; Shah, Nagma; Mandeli, John; Ting, Jess; Germain, Doris.

In: Clinical Cancer Research, Vol. 23, No. 18, 15.09.2017, p. 5446-5459.

Research output: Contribution to journalArticle

Kenny, Timothy C. ; Schmidt, Hank ; Adelson, Kerin ; Hoshida, Yujin ; Koh, Anna P. ; Shah, Nagma ; Mandeli, John ; Ting, Jess ; Germain, Doris. / Patient-derived interstitial fluids and predisposition to aggressive sporadic breast cancer through collagen remodeling and inactivation of p53. In: Clinical Cancer Research. 2017 ; Vol. 23, No. 18. pp. 5446-5459.
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AU - Ting, Jess

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