Antibody-mediated phosphatidylserine blockade enhances the antitumor responses to CTLA-4 and PD-1 antibodies in melanoma

BD Freimark, J Gong, D Ye, MJ Gray, V Nguyen… - Cancer immunology …, 2016 - AACR
In tumor-bearing animals, the membrane phospholipid phosphatidylserine (PS) suppresses
immune responses, suggesting that PS signaling could counteract the antitumor effect of …

Inhibiting PD-L1 palmitoylation enhances T-cell immune responses against tumours

H Yao, J Lan, C Li, H Shi, JP Brosseau… - Nature biomedical …, 2019 - nature.com
Checkpoint blockade therapy targeting the programmed-death ligand 1 (PD-L1) and its
receptor programmed cell death 1 promotes T-cell-mediated immunosurveillance against …

Lysophosphatidic acid signaling in cancer cells: what makes LPA so special?

P Balijepalli, CC Sitton, KE Meier - Cells, 2021 - mdpi.com
Lysophosphatidic acid (LPA) refers to a family of simple phospholipids that act as ligands for
G protein-coupled receptors. While LPA exerts effects throughout the body in normal …

Undo the brake of tumour immune tolerance with antibodies, peptide mimetics and small molecule compounds targeting PD‐1/PD‐L1 checkpoint at different locations …

W Gu, L Wang, Y Wu, JP Liu - Clinical and Experimental …, 2019 - Wiley Online Library
Recent clinical success of immunotherapy that inhibits the negative immune regulatory
pathway programmed cell death protein‐1/PD‐1 ligand 1 (PD‐1/PD‐L1) has initiated a new …

Lysophosphatidic acid triggers apoptosis in HeLa cells through the upregulation of tumor necrosis factor receptor superfamily member 21

Y Dong, Y Wu, MZ Cui, X Xu - Mediators of Inflammation, 2017 - Wiley Online Library
Lysophosphatidic acid (LPA), a naturally occurring bioactive phospholipid, activates G
protein‐coupled receptors (GPCRs), leading to regulation of diverse cellular events …

Phosphatidylcholine-derived lipid mediators: The crosstalk between cancer cells and immune cells

RF Saito, LNS Andrade, SO Bustos… - Frontiers in …, 2022 - frontiersin.org
To become resistant, cancer cells need to activate and maintain molecular defense
mechanisms that depend on an energy trade-off between resistance and essential functions …

Replenish the source within: Rescuing tumor-infiltrating lymphocytes by double checkpoint blockade

J Duraiswamy, G Freeman, G Coukos - Oncoimmunology, 2013 - Taylor & Francis
We have recently reported that the PD-1 and CTLA4 signaling pathways are active in both
effector and regulatory T cells, causing profound immune dysfunctions in the tumor …

Energy status dictates PD-L1 protein abundance and anti-tumor immunity to enable checkpoint blockade

X Dai, X Bu, Y Gao, J Guo, J Hu, C Jiang, Z Zhang… - Molecular cell, 2021 - cell.com
Aberrant energy status contributes to multiple metabolic diseases, including obesity,
diabetes, and cancer, but the underlying mechanism remains elusive. Here, we report that …

Small-molecule targets in immuno-oncology

D Dhanak, JP Edwards, A Nguyen, PJ Tummino - Cell chemical biology, 2017 - cell.com
Advances in understanding the role and molecular mechanisms underlying immune
surveillance and control of (pre) malignancies is revolutionizing clinical practice in the …

Regulation of PD-L1 through direct binding of cholesterol to CRAC motifs

Q Wang, Y Cao, L Shen, T Xiao, R Cao, S Wei… - Science …, 2022 - science.org
Cholesterol, an essential molecule for cell structure, function, and viability, plays crucial
roles in the development, progression, and survival of cancer cells. Earlier studies have …