Hijacking antibody-induced CTLA-4 lysosomal degradation for safer and more effective cancer immunotherapy

Y Zhang, X Du, M Liu, F Tang, P Zhang, C Ai, JK Fields… - Cell Research, 2019 - nature.com
It remains unclear why the clinically used anti-CTLA-4 antibodies, popularly called
checkpoint inhibitors, have severe immunotherapy-related adverse effects (irAEs) and yet …

Preserving the CTLA-4 checkpoint for safer and more effective cancer immunotherapy

Y Liu, P Zheng - Trends in pharmacological sciences, 2020 - cell.com
A major paradigm in cancer immunotherapy is the use of checkpoint inhibitors to break
regulatory mechanisms that usually guard the host against autoimmune diseases. CTLA-4 …

A reappraisal of CTLA-4 checkpoint blockade in cancer immunotherapy

X Du, F Tang, M Liu, J Su, Y Zhang, W Wu… - Cell research, 2018 - nature.com
It is assumed that anti-CTLA-4 antibodies cause tumor rejection by blocking negative
signaling from B7-CTLA-4 interactions. Surprisingly, at concentrations considerably higher …

Tumor-conditional anti-CTLA4 uncouples antitumor efficacy from immunotherapy-related toxicity

CCS Pai, DM Simons, X Lu, M Evans… - The Journal of …, 2019 - Am Soc Clin Investig
While immune checkpoint blockade leads to potent antitumor efficacy, it also leads to
immune-related adverse events in cancer patients. These toxicities stem from systemic …

Uncoupling therapeutic from immunotherapy-related adverse effects for safer and effective anti-CTLA-4 antibodies in CTLA4 humanized mice

X Du, M Liu, J Su, P Zhang, F Tang, P Ye, M Devenport… - Cell research, 2018 - nature.com
Abstract Anti-CTLA-4 monoclonal antibodies (mAbs) confer a cancer immunotherapeutic
effect (CITE) but cause severe immunotherapy-related adverse events (irAE). Targeting …

Addressing the elephant in the immunotherapy room: effector T-cell priming versus depletion of regulatory T-cells by anti-CTLA-4 therapy

MMY Hong, S Maleki Vareki - Cancers, 2022 - mdpi.com
Simple Summary Immunotherapy has transformed the treatment of advanced cancers by
leveraging patients' immune system in attacking tumor cells. Cytotoxic T-lymphocyte …

TLR1/2 ligand enhances antitumor efficacy of CTLA-4 blockade by increasing intratumoral Treg depletion

N Sharma, J Vacher, JP Allison - Proceedings of the …, 2019 - National Acad Sciences
Immune checkpoint inhibitors such as anti–CTLA-4 antibody are widely accepted
therapeutic options for many cancers, but there is still a considerable gap in achieving their …

[HTML][HTML] Remarkably similar CTLA-4 binding properties of therapeutic ipilimumab and tremelimumab antibodies

M He, Y Chai, J Qi, CWH Zhang, Z Tong, Y Shi, J Yan… - Oncotarget, 2017 - ncbi.nlm.nih.gov
Monoclonal antibody based immune checkpoint blockade therapies have achieved clinical
successes in management of malignant tumors. As the first monoclonal antibody targeting …

An anti-CTLA-4 heavy chain–only antibody with enhanced Treg depletion shows excellent preclinical efficacy and safety profile

X Gan, Q Shan, H Li, R Janssens… - Proceedings of the …, 2022 - National Acad Sciences
The value of anti-CTLA-4 antibodies in cancer therapy is well established. However, the
broad application of currently available anti-CTLA-4 therapeutic antibodies is hampered by …

Soluble CTLA-4 attenuates T cell activation and modulates anti-tumor immunity

PT Kennedy, EL Saulters, AD Duckworth, YJ Lim… - Molecular Therapy, 2024 - cell.com
CTLA-4 is a crucial immune checkpoint receptor involved in the maintenance of immune
homeostasis, tolerance, and tumor control. Antibodies targeting CTLA-4 have been …