The HER2 inhibitors represent different mechanisms of actions, including trastuzumab, pertuzumab, tucatinib, and lapatinib, all of which are clinically approved, as well as PEPDG278D, a recombinant human protein which was previously shown to induce the degradation of HER2 and epidermal growth factor receptor (EGFR). Despite p95HER2 expression and resistance to current HER2 inhibitors, HER2-positive BC cells and tumors are highly vulnerable to PEPDG278D-induced degradation of HER2 and EGFR. By inducing HER2 degradation, PEPDG278D eliminates p95HER2 in HER2-positive BC cells and tumors.
In addition, there are significant differences in sensitivity to most drugs between high-risk and low-risk cohorts, with WIKI4 and Lapatinib negatively correlated with risk scores, while Doramapimod and Niraparib positively correlated with risk scores. The drug sensitivity results also provide drug guidance for the clinical application of this feature, all of which provide important clinical utility for the prognosis of LUAD. At the same time, the intercellular communication network was plotted based on the GRPS score, providing insights into the pathogenesis of LUAD and offering new ideas for developing targeted therapies and precision medicine methods.
The triple combination showed moderate tolerability and termination occurred after the first stage of Phase II due to insufficient efficacy. Our findings highlight challenges in translating organoid-derived drug combinations to clinical practice.
Furthermore, CDDO-Me did not compromise the antitumor efficacy of DOX/LAP in breast cancer cells. CDDO-Me protects against DOX/LAP-induced cardiotoxicity by stabilizing GPX4 and inhibiting ferroptosis, offering a promising therapeutic strategy that preserves cardiac function without interfering with chemotherapy.
They have demonstrated substantial improvements in survival-free and life expectancy of patients, establishing them as a standard treatment modality. The ongoing development of novel tyrosine kinase inhibitors and their strategic integration into personalized treatment regimens will shape the evolving landscape of breast cancer therapy.
DeSTIL identifies a subset of HER2+ patients who derive greater benefit from trastuzumab. These findings support the potential of computationally derived immune architecture to inform selection of standard HER2-targeted therapies.
Essential dynamics and free-energy landscape analyses, followed by MM-PBSA and per-residue analyses, supported the thermodynamic stability and favorable binding energetics of the complexes. Collectively, these findings nominate Ponatinib and Lapatinib as promising repurposing candidates for subsequent biochemical and cellular validation as AURKB inhibitors.
Comparative docking and pharmacokinetic analyses with standard drugs Lapatinib and Tamoxifen indicated better drug-like properties and pharmacokinetic advantages for DdpMPyPEPhU. Additional validation using Density Functional Theory (DFT) optimisation, 5 ns WaterMap analysis, and 250 ns molecular dynamics simulations under neutralised conditions confirmed structural stability and strong intermolecular interactions, supported by binding free energy calculations. Overall, our computational findings suggest that DdpMPyPEPhU is a promising therapeutic candidate for breast cancer, providing a rational basis for further experimental evaluation.
28 days ago
Journal
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ER (Estrogen receptor) • CDK2 (Cyclin-dependent kinase 2)
Updated analyses pertaining to PFS and safety were generally aligned with data obtained from initial assessments. The OS outcomes further substantiated that the combination of pyrotinib, trastuzumab, and chemotherapy is an alternative therapeutic regimen for managing HER2-positive MBC with heavy pre-treatment in certain situations, particularly among those with non-visceral metastases.
Drug sensitivity analysis further suggested that Lapatinib and Erlotinib may be beneficial in HNSC patients with high PRKAR1B expression. Lastly, PRKAR1B protein expression was upregulated in clinical HNSC samples. Overall, this study thoroughly examined PRKAR1B expression and its prognostic significance in HNSC, investigated related molecular pathways and immune cell interactions, and validated its role via in vitro experiments.
1 month ago
Journal • IO biomarker
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PRKAR1A (Protein Kinase CAMP-Dependent Type I Regulatory Subunit Alpha)