Journal article
NF1 +/- Hematopoietic Cells Accelerate Malignant Peripheral Nerve Sheath Tumor Development without Altering Chemotherapy Response
Cancer research (Chicago, Ill.), Vol.77(16), pp.4486-4497
08/15/2017
DOI: 10.1158/0008-5472.CAN-16-2643
PMCID: PMC5839126
PMID: 28646022
Abstract
Haploinsufficiency in the tumor suppressor NF1 contributes to the pathobiology of neurofibromatosis type 1, but a related role has not been established in malignant peripheral nerve sheath tumors (MPNST) where NF1 mutations also occur. Patients with NF1-associated MPNST appear to have worse outcomes than patients with sporadic MPNST, but the mechanism underlying this correlation is not understood. To define the impact of stromal genetics on the biology of this malignancy, we developed unique mouse models that reflect the genetics of patient-associated MPNST. Specifically, we used adenovirus-Cre injections to generate MPNST in Nf1
; Ink4a/Arf
and Nf1
; Ink4a/Arf
paired littermate mice to model tumors from NF1-wild-type and NF1-associated patients, respectively. In these models, Nf1 haploinsufficiency in hematopoietic cells accelerated tumor onset and increased levels of tumor-infiltrating immune cells comprised of CD11b
cells, monocytes, and mast cells. We observed that mast cells were also enriched in human NF1-associated MPNST. In a coclinical trial to examine how the tumor microenvironment influences the response to multiagent chemotherapy, we found that stromal Nf1 status had no effect. Taken together, our results clarify the role of the NF1-haploinsufficient tumor microenvironment in MPNST.
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Details
- Title: Subtitle
- NF1 +/- Hematopoietic Cells Accelerate Malignant Peripheral Nerve Sheath Tumor Development without Altering Chemotherapy Response
- Creators
- Rebecca D Dodd - Duke Medical CenterChang-Lung Lee - Duke Medical CenterTess Overton - Duke Medical CenterWesley Huang - Duke Medical CenterWilliam C Eward - Duke University HospitalLixia Luo - Duke Medical CenterYan Ma - Duke Medical CenterDavis R Ingram - The University of Texas MD Anderson Cancer CenterKeila E Torres - The University of Texas MD Anderson Cancer CenterDiana M Cardona - Duke UniversityAlexander J Lazar - The University of Texas MD Anderson Cancer CenterDavid G Kirsch - Duke Medical Center
- Resource Type
- Journal article
- Publication Details
- Cancer research (Chicago, Ill.), Vol.77(16), pp.4486-4497
- DOI
- 10.1158/0008-5472.CAN-16-2643
- PMID
- 28646022
- PMCID
- PMC5839126
- NLM abbreviation
- Cancer Res
- ISSN
- 0008-5472
- eISSN
- 1538-7445
- Grant note
- P30 CA086862 / NCI NIH HHS R35 CA197616 / NCI NIH HHS
- Language
- English
- Date published
- 08/15/2017
- Academic Unit
- Hematology, Oncology, and Blood & Marrow Transplantation; Internal Medicine
- Record Identifier
- 9984359573802771
Metrics
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