Douglas Fraker

ORCID: 0009-0008-9627-4298
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About
Contact & Profiles
Research Areas
  • Sarcoma Diagnosis and Treatment
  • Cancer, Hypoxia, and Metabolism
  • Virus-based gene therapy research
  • Immune cells in cancer
  • Phagocytosis and Immune Regulation
  • Viral Infectious Diseases and Gene Expression in Insects
  • Ferroptosis and cancer prognosis
  • Cancer Research and Treatments
  • Adrenal and Paraganglionic Tumors

University of Pennsylvania
2010-2024

We define a subset of macrophages in the tumor microenvironment characterized by high intracellular iron and enrichment heme metabolism genes. These iron-rich tumor-associated (iTAMs) supported angiogenesis immunosuppression were conserved between mice humans. iTAMs comprise two additional subsets based on gene expression profile location—perivascular (pviTAM) stromal (stiTAM). identified endothelin receptor type B (Ednrb) as specific marker found myeloid-specific deletion Ednrb to reduce...

10.1084/jem.20230420 article EN cc-by-nc-sa The Journal of Experimental Medicine 2024-09-30

Hypoxia is known to play important role in cancer biology. In sarcomas, hypoxia-induced protein biomarkers such as Inducible Factor-1a (HIF-1a), vascular endothelial growth factor (VEGF), and Erythropoietin (Epo) have been previously reported only a few studies. Moreover, the biologic significance relationship tumorigenesis of these not well understood context sarcoma. The HIF negative regulator, Prolyl Hydroxylase Domain 2 (PHD2) has evaluated sarcomas. We examined expression PHD2, HIF-1a,...

10.4161/cbt.9.4.10744 article EN Cancer Biology & Therapy 2010-02-15

Context: Currently, there is no effective treatment for iodine-resistant thyroid cancers. Objective: As a new approach to treatment, the efficacy of replication-selective, human thyroglobulin (TG) enhancer and promoter-driven, adenovirus (AdhTGEP)-mediated oncolysis was investigated using two well-differentiated cancer cell lines, XTC (TG positive) FTC-133 negative), other control tumor nontumor lines (all TG negative). Design: A cohort study design used. Setting: The setting laboratory...

10.1210/jc.2004-1801 article EN The Journal of Clinical Endocrinology & Metabolism 2005-05-25
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