Apolipoprotein E promotes immune suppression in pancreatic cancer through NF-κB–mediated production of CXCL1

SB Kemp, ES Carpenter, NG Steele, KL Donahue… - Cancer research, 2021 - AACR
This study shows that elevated apolipoprotein E in PDAC mediates immune suppression
and high serum apolipoprotein E levels correlate with poor patient survival. See related …

Pancreatic cancer is marked by complement-high blood monocytes and tumor-associated macrophages

…, NG Steele, ES Carpenter, KL Donahue… - Life science …, 2021 - life-science-alliance.org
Pancreatic ductal adenocarcinoma (PDA) is accompanied by reprogramming of the local
microenvironment, but changes at distal sites are poorly understood. We implanted biomaterial …

Arginase 1 is a key driver of immune suppression in pancreatic cancer

RE Menjivar, ZC Nwosu, W Du, KL Donahue, HS Hong… - Elife, 2023 - elifesciences.org
An extensive fibroinflammatory stroma rich in macrophages is a hallmark of pancreatic
cancer. In this disease, it is well appreciated that macrophages are immunosuppressive and …

WNT signaling in the tumor microenvironment promotes immunosuppression in murine pancreatic cancer

W Du, RE Menjivar, KL Donahue, P Kadiyala… - Journal of Experimental …, 2022 - rupress.org
Pancreatic ductal adenocarcinoma (PDA) is associated with activation of WNT signaling.
Whether this signaling pathway regulates the tumor microenvironment has remained …

[HTML][HTML] Hypoxia promotes an inflammatory phenotype of fibroblasts in pancreatic cancer

AM Mello, T Ngodup, Y Lee, KL Donahue, J Li, A Rao… - Oncogenesis, 2022 - nature.com
Pancreatic ductal adenocarcinoma (PDAC) is characterized by an extensive fibroinflammatory
stroma and often experiences conditions of insufficient oxygen availability or hypoxia. …

Analysis of donor pancreata defines the transcriptomic signature and microenvironment of early neoplastic lesions

…, Y Zhang, J Edwards, S Nelson, F Lima, KL Donahue… - Cancer Discovery, 2023 - AACR
Precursor lesions to pancreatic cancer are poorly characterized. We analyzed donor
pancreata and discovered that precursor lesions are detected at a much higher rate than the …

[HTML][HTML] Extrinsic KRAS signaling shapes the pancreatic microenvironment through fibroblast reprogramming

A Velez-Delgado, KL Donahue, KL Brown, W Du… - Cellular and Molecular …, 2022 - Elsevier
Background & Aims Oncogenic Kirsten Rat Sarcoma virus (KRAS) is the hallmark mutation
of human pancreatic cancer and a driver of tumorigenesis in genetically engineered mouse …

Notch signaling regulates immunosuppressive tumor-associated macrophage function in pancreatic cancer

…, NG Steele, SB Kemp, W Du, KL Donahue… - Cancer Immunology …, 2024 - AACR
Pancreatic ductal adenocarcinoma (PDA) continues to have a dismal prognosis. The poor
survival of patients with PDA has been attributed to a high rate of early metastasis and low …

[HTML][HTML] Sensitivity of cells to ATR and CHK1 inhibitors requires hyperactivation of CDK2 rather than endogenous replication stress or ATM dysfunction

JP Ditano, KL Donahue, LJ Tafe, CF McCleery… - Scientific Reports, 2021 - nature.com
DNA damage activates cell cycle checkpoint proteins ATR and CHK1 to arrest cell cycle
progression, providing time for repair and recovery. Consequently, inhibitors of ATR (ATRi) and …

Differential sensitivity to CDK2 inhibition discriminates the molecular mechanisms of CHK1 inhibitors as monotherapy or in combination with the topoisomerase I …

NJH Warren, KL Donahue… - ACS Pharmacology & …, 2019 - ACS Publications
DNA damage activates checkpoints to arrest cell cycle progression in S and G2 phases,
thereby providing time for repair and recovery. The combination of DNA-damaging agents and …