PI3K inhib 
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  • ||||||||||  Journal:  Proteome Analysis of USP7 Substrates Revealed Its Role in Melanoma Through PI3K/Akt/FOXO and AMPK Pathways. (Pubmed Central) -  Apr 21, 2021   
    The results showed that inhibition of USP7 increases expression of the AMPK beta (PRKAB1), caspase 7(CASP7), and protein phosphatase 2 subunit B R3 isoform (PPP2R3A), while attenuating expression of C subunit of vacuolar ATPase (ATP6V0C), and peroxisomal biogenesis factor 11 beta (PEX11B). In summary, these findings reveal an important role of USP7 in regulating melanoma progression via PI3K/Akt/FOXO and AMPK signaling pathways and implicate USP7 as an attractive anticancer target for melanoma.
  • ||||||||||  Journal:  Ubiquitous macropinocytosis in anthozoans. (Pubmed Central) -  Apr 20, 2021   
    Furthermore, we reveal that macropinocytosis is likely a major endocytic pathway in other anthozoan species. The fact that nearly all cells of an animal are continuously soaking in the environment challenges many aspects of the classical physiology viewpoints acquired from the study of bilaterians.
  • ||||||||||  Journal:  microRNA-451a promoter methylation regulated by DNMT3B expedites bladder cancer development via the EPHA2/PI3K/AKT axis. (Pubmed Central) -  Apr 20, 2021   
    Administration of H2S does not affect the glucose level, but can significantly mitigate atrial fibrosis and reduce the incidence of AF induced by DM, probably via activation of the PI3K/Akt/eNOS pathway. Our study proposed and demonstrated that miR-451a downregulation mediated by DNMT3B is critical for proliferation, migration, and invasion of BCa, which may be beneficial for developing more effective therapies against BCa.
  • ||||||||||  quercetin (LY294002) / Eli Lilly, Lynparza (olaparib) / Merck (MSD), AstraZeneca
    Journal:  Effect of Oxaliplatin, Olaparib and LY294002 in Combination on Triple-Negative Breast Cancer Cells. (Pubmed Central) -  Apr 17, 2021   
    However, and in contrast with the findings of others, we detected no synergistic effect between olaparib and oxaliplatin, and we found that the Akt pathway inhibitor augmented the cytostatic properties of the platinum compound and/or prevented the cytoprotective effects of PARP inhibition. Our results suggest that, at therapeutically relevant concentrations, the cytotoxicity of the platinum compound dominated over that of the PARP inhibitor and the PI3K inhibitor, even though a regression-based model could have indicated an overall synergy at lower and/or higher concentrations.
  • ||||||||||  Journal:  The Correlation of Mutations and Expressions of Genes within the PI3K/Akt/mTOR Pathway in Breast Cancer-A Preliminary Study. (Pubmed Central) -  Apr 17, 2021   
    It was also indicated that in the group of patients with mutations in the area of the PIK3CA and AKT1 genes, the PIK3CA gene expression level is statistically significantly lower than in the group without mutations. According to our knowledge, we demonstrate, for the first time, that there is a very strong positive correlation between the levels of AKT1 and mTOR gene expression in the case of patients with mutations and without mutations.
  • ||||||||||  Journal:  Erianin suppresses hepatocellular carcinoma cells through down-regulation of PI3K/AKT, p38 and ERK MAPK signaling pathways. (Pubmed Central) -  Apr 15, 2021   
    PK studies showed that ~200 ng/mL (0.43 µM) RIDR-PI-103 is achievable in mice plasma with an initial dose of 20 mg/kg and a 10 h T. (4) The prodrug RIDR-PI-103 could be a potential therapeutic for treatment of breast cancer patients. We demonstrated, for the first time, that erianin inhibited the proliferation, migration, invasion and induced the apoptosis of HCC through PI3K/Akt, p38 and ERK MAPK signaling pathway, indicating that erianin is a promising agent for the HCC treatment.
  • ||||||||||  Journal, Combination therapy, PARP Biomarker, IO biomarker:  Combination therapy in advanced urothelial cancer: the role of PARP, HER-2 and mTOR inhibitors. (Pubmed Central) -  Apr 15, 2021   
    We report ongoing clinical trials involving these agents, either in monotherapy or in combination with other compounds, highlighting the dynamic scenario of metastatic urothelial carcinoma treatment. Several challenges need to be faced in the development of new potential therapeutic strategies, such has inter/intratumoral heterogeneity and the lack of validated biomarkers.
  • ||||||||||  ketamine / Generic mfg., sirolimus / Generic mfg.
    Journal:  The involvement of PI3K/Akt/mTOR/GSK3β signaling pathways in the antidepressant-like effect of AZD6765. (Pubmed Central) -  Apr 14, 2021   
    In this context, we demonstrated that a single administration of AZD6765 (1 mg/kg, i.p.) was able to induce an antidepressant-like effect in mice submitted to tail suspension test (TST), an effect reversed by LY294002 (a reversible PI3K inhibitor, 10 nmol/site, i.c.v.), wortmannin (an irreversible PI3K inhibitor, 0.1 μg/site, i.c.v.) and rapamycin (a selective mTOR inhibitor, 0.2 nmol/site, i.c.v.)...In addition, a single administration of AZD6765 (1 mg/kg, i.p.) or ketamine (1 mg/kg, i.p.) reversed the depressive-like behavior induced by chronic unpredictable stress (CUS). Altogether, the results provide evidence for the fast-acting antidepressant profile of AZD6765, by a mechanism likely dependent on PI3K/Akt/mTOR/GSK3β.
  • ||||||||||  Clinical, Review, Journal:  A Case for Phosphoinositide 3-Kinase-Targeted Therapy for Infectious Disease. (Pubmed Central) -  Apr 14, 2021   
    In this review, we briefly highlight the development and applications of PI3K inhibitors and summarize data supporting the concept that PI3Kδ inhibitors initially developed for oncology have immune regulatory potential that could be exploited to improve the control of some infectious diseases. This repurposing of existing kinase inhibitors could lay the foundation for alternative infectious disease therapy using available therapeutic agents.