Trametinib boosts palbociclib’s efficacy in breast cancer via autophagy inhibition
ANGUO WU1,#, JIAO YAN2,3,#, TING SU2,4, CHI FENG1, XIN LONG5,6, YIRU PAN1, RUPEI YE2, TIAN XIA2, HANAN LONG2, JIANMING WU1,*, XIULI XIAO2,*
Oncology Research, Vol.32, No.7, pp. 1197-1207, 2024, DOI:10.32604/or.2024.046139
- 20 June 2024
(This article belongs to the Special Issue: Signaling Pathway Crosstalk in Malignant Tumors: Molecular Targets and Combinatorial Therapeutics)
Abstract Breast cancer, a predominant global health issue, requires ongoing exploration of new therapeutic strategies. Palbociclib (PAL), a well-known cyclin-dependent kinase (CDK) inhibitor, plays a critical role in breast cancer treatment. While its efficacy is recognized, the interplay between PAL and cellular autophagy, particularly in the context of the RAF/MEK/ERK signaling pathway, remains insufficiently explored. This study investigates PAL’s inhibitory effects on breast cancer using both in vitro (MCF7 and MDA-MB-468 cells) and in vivo (tumor-bearing nude mice) models. Aimed at elucidating the impact of PAL on autophagic processes and exploring the potential of combining it with trametinib… More >
Graphic Abstract