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Exploring the antiproliferative effect of PI3K/Akt/mTOR pathway and CDK4/6 inhibitors in human papillomavirus‑positive and ‑negative head and neck squamous cell carcinoma cell lines.
Int J Oncol
February 2025
Department of Pathology, GROW Research Institute for Oncology and Reproduction, Maastricht University Medical Center, 6229HX Maastricht, The Netherlands.
Human papillomavirus (HPV)‑positive and -negative head and neck squamous cell carcinoma (HNSCC) are often associated with activation of the phosphatidylinositol 3‑kinase (PI3K)/Akt/mammalian target of rapamycin (mTOR) pathway due to mutations or amplifications in , loss of or activation of receptor tyrosine kinases. In HPV‑negative tumors, (encoding p16 protein) inactivation or (encoding Cyclin D1 protein) amplification frequently results in sustained cyclin‑dependent kinase (CDK) 4/6 activation. The present study aimed to investigate the efficacy of the CDK4/6 inhibitors (CDKi) palbociclib and ribociclib, and the PI3K/Akt/mTOR pathway inhibitors (PI3Ki) gedatolisib, buparlisib and alpelisib, in suppressing cell viability of HPV‑positive and ‑negative HNSCC cell lines.
View Article and Find Full Text PDFDual EGFR and telomerase inhibitory potential of new triazole tethered Schiff bases endowed with apoptosis: design, synthesis, and biological assessments.
RSC Med Chem
December 2024
Department of Pharmaceutical Chemistry, College of Pharmacy, The University of Mashreq Baghdad 10023 Iraq.
Many cancers have displayed resistance to chemotherapeutic drugs over the past few decades. EGFR has emerged as a leading target for cancer therapy inhibiting tumor angiogenesis. Besides, studies strongly suggest that blocking telomerase activity could be an effective way to control the growth of certain cancer cells.
View Article and Find Full Text PDFThe role of lin-12 notch in C. elegans anchor cell proliferation.
Biol Open
December 2024
Department of Dermatology, University of Zurich, University Hospital Zurich, Schlieren CH-8952, Switzerland.
The gonadal anchor cell (AC) is an essential organizer for the development of the egg-laying organ in the C. elegans hermaphrodite. Recent work has investigated the mechanisms that control the quiescent state the AC adopts while fulfilling its functions.
View Article and Find Full Text PDFTriple Combination of MEK, BET, and CDK Inhibitors Significantly Reduces Human Malignant Peripheral Nerve Sheath Tumors in Mouse Models.
Clin Cancer Res
December 2024
Institut d'Investigació en Ciències de la Salut Germans Trias i Pujol, Badalona, Barcelona, Spain.
Purpose: Malignant peripheral nerve sheath tumor (MPNST) is an aggressive soft tissue sarcoma that develops sporadically or in Neurofibromatosis type 1 patients. Its development is marked by the inactivation of specific tumor suppressor genes (TSGs): NF1, CDKN2A and SUZ12EED (Polycomb Repressor Complex 2). Each TSG loss can be targeted by particular drug inhibitors and we aimed to systematically combine these inhibitors, guided by TSG inactivation status, to test their precision medicine potential for MPNSTs.
View Article and Find Full Text PDFEfficacy outcomes of CDK4/6 inhibitors in combination with endocrine therapy treatment in hormone receptor-positive/HER2-negative advanced breast cancer according to PAM50 intrinsic subtype: Primary results of SOLTI-1801 CDK-PREDICT study.
Eur J Cancer
January 2025
Medical Oncology Department, Hospital 12 de Octubre, Madrid, Spain; Instituto de Investigación Sanitaria Hospital 12 de Octubre (Imas12), Madrid, Spain; SOLTI Cancer Research Group, Barcelona, Spain. Electronic address:
Introduction: The prognostic value of PAM50 intrinsic subtypes (IS), cell cycle, and immune-related gene expression in HR+ /HER2- advanced breast cancer (BC) treated with CDK4/6 inhibitors (CDK4/6i) and endocrine therapy (ET) in a first-line metastatic setting is unclear. This study evaluates these biomarkers in metastatic biopsies from patients diagnosed with HR+ /HER2- advanced BC.
Methods: CDK-PREDICT study is a multicentric, ambispective observational cohort study conducted in six Spanish hospitals.
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