Systemic Actions of Breast Cancer Facilitate Functional Limitations

Breast cancer is a disease of a specific organ, but its effects are felt throughout the body. The systemic effects of breast cancer can lead to functional limitations in patients who suffer from muscle weakness, fatigue, pain, fibromyalgia, or many other dysfunctions, which hasten cancer-associated...

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Main Authors: Ruizhong Wang, Harikrishna Nakshatri
Format: Article
Language:English
Published: MDPI AG 2020-01-01
Series:Cancers
Subjects:
Online Access:https://www.mdpi.com/2072-6694/12/1/194
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author Ruizhong Wang
Harikrishna Nakshatri
author_facet Ruizhong Wang
Harikrishna Nakshatri
author_sort Ruizhong Wang
collection DOAJ
description Breast cancer is a disease of a specific organ, but its effects are felt throughout the body. The systemic effects of breast cancer can lead to functional limitations in patients who suffer from muscle weakness, fatigue, pain, fibromyalgia, or many other dysfunctions, which hasten cancer-associated death. Mechanistic studies have identified quite a few molecular defects in skeletal muscles that are associated with functional limitations in breast cancer. These include circulating cytokines such as TNF-α, IL-1, IL-6, and TGF-β altering the levels or function of myogenic molecules including PAX7, MyoD, and microRNAs through transcriptional regulators such as NF-κB, STAT3, and SMADs. Molecular defects in breast cancer may also include reduced muscle mitochondrial content and increased extracellular matrix deposition leading to energy imbalance and skeletal muscle fibrosis. This review highlights recent evidence that breast cancer-associated molecular defects mechanistically contribute to functional limitations and further provides insights into therapeutic interventions in managing functional limitations, which in turn may help to improve quality of life in breast cancer patients.
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spelling doaj.art-c2a64927214547ceb2ac2440e6aa4d542023-09-02T19:02:59ZengMDPI AGCancers2072-66942020-01-0112119410.3390/cancers12010194cancers12010194Systemic Actions of Breast Cancer Facilitate Functional LimitationsRuizhong Wang0Harikrishna Nakshatri1Department of Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USADepartment of Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USABreast cancer is a disease of a specific organ, but its effects are felt throughout the body. The systemic effects of breast cancer can lead to functional limitations in patients who suffer from muscle weakness, fatigue, pain, fibromyalgia, or many other dysfunctions, which hasten cancer-associated death. Mechanistic studies have identified quite a few molecular defects in skeletal muscles that are associated with functional limitations in breast cancer. These include circulating cytokines such as TNF-α, IL-1, IL-6, and TGF-β altering the levels or function of myogenic molecules including PAX7, MyoD, and microRNAs through transcriptional regulators such as NF-κB, STAT3, and SMADs. Molecular defects in breast cancer may also include reduced muscle mitochondrial content and increased extracellular matrix deposition leading to energy imbalance and skeletal muscle fibrosis. This review highlights recent evidence that breast cancer-associated molecular defects mechanistically contribute to functional limitations and further provides insights into therapeutic interventions in managing functional limitations, which in turn may help to improve quality of life in breast cancer patients.https://www.mdpi.com/2072-6694/12/1/194breast cancerfunctional limitationscachexiaskeletal musclemicrorna
spellingShingle Ruizhong Wang
Harikrishna Nakshatri
Systemic Actions of Breast Cancer Facilitate Functional Limitations
Cancers
breast cancer
functional limitations
cachexia
skeletal muscle
microrna
title Systemic Actions of Breast Cancer Facilitate Functional Limitations
title_full Systemic Actions of Breast Cancer Facilitate Functional Limitations
title_fullStr Systemic Actions of Breast Cancer Facilitate Functional Limitations
title_full_unstemmed Systemic Actions of Breast Cancer Facilitate Functional Limitations
title_short Systemic Actions of Breast Cancer Facilitate Functional Limitations
title_sort systemic actions of breast cancer facilitate functional limitations
topic breast cancer
functional limitations
cachexia
skeletal muscle
microrna
url https://www.mdpi.com/2072-6694/12/1/194
work_keys_str_mv AT ruizhongwang systemicactionsofbreastcancerfacilitatefunctionallimitations
AT harikrishnanakshatri systemicactionsofbreastcancerfacilitatefunctionallimitations