Altered exocrine function can drive adipose wasting in early pancreatic cancer
Name
nihms969738.pdf
Description
Accepted version
Size
2.16 MB
Format
Adobe PDF
Checksum (MD5)
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Author(s)
Danai, Laura V.
Dennstedt, Emily A.
Muir, Alexander
Lien, Evan C.
Mayers, Jared R.
Lau, Allison N.
Jones-Sali, Paul
Vander Heiden, Matthew G.
Date Issued
June 2018
Journal
Nature
Publisher
Springer Science and Business Media LLC
Citation
Danai, Laura V. et al. “Altered exocrine function can drive adipose wasting in early pancreatic cancer.” Nature 558 (2018): 600-604 © 2018 The Author(s)
Version
Author's final manuscript
Abstract
Changes in cell and organismal metabolism accompany malignancy1,2. Pancreatic ductal adenocarcinoma (PDAC) is associated with peripheral tissue wasting, a metabolic syndrome that lowers quality of life and is proposed to decrease cancer patient survival3,4. Tissue wasting is a multifactorial disease and targeting specific circulating factors to reverse this syndrome has been mostly ineffective in the clinic5,6. Here, we show that both adipose and muscle tissue loss occur early in pancreatic cancer development. Using syngeneic PDAC mouse models, we show that tumor growth in the pancreas but not in other sites leads to adipose tissue wasting, suggesting that tumor growth within the pancreatic environment contributes to this wasting phenotype. We find decreased exocrine pancreatic function drives adipose tissue loss and pancreatic enzyme replacement attenuates PDAC-associated peripheral tissue wasting. Paradoxically, reversal of adipose tissue loss impairs survival in mice with PDAC. Upon analysis of PDAC patients, we find that adipose and skeletal muscle depletion at the time of diagnosis is not associated with worse survival. Taken together, these results provide an explanation for adipose tissue wasting in early PDAC and suggest that early peripheral tissue loss associated with pancreatic cancer may not impair survival.
Subjects
Multidisciplinary
MIT Department
Massachusetts Institute of Technology. Department of Biology
Koch Institute for Integrative Cancer Research at MIT
Terms of Use
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1038/s41586-018-0235-7
