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Blog of Signaling Pathways

Sulfobutylether-β-cyclodextrin /5,10,15,20-tetrakis(1-methylpyridinium-4-yl)porphine Nanoassemblies With Sustained Antimicrobial Phototherapeutic Action

94 views | Jun 08 2020

Roberto Zagami et al. proposed the design and characterization of a novel nanophototherapeutic based on the trade cyclodextrin CAPTISOL® (sulfobutylether-beta-cyclodextrin, SBE-βCD) and 5,10,15,20-tetrakis(1-methylpyridinium-4-yl)porphine tetrakis(p-toluenesulfonate) (TMPyP) to fabricate efficient biocompatible systems for aPDT. [Read the Full Post]

Ocular Side Effects of Target Therapy and Immunotherapy in Patients With Cutaneous Malignant Melanoma

72 views | Jun 07 2020

Jennifer Eikenberry et al. highlighted the frequency of ocular side effects in patients treated with target therapy and immunotherapy for CMM and showed that symptom resolution could be effectively achieved with proper ophthalmic care. [Read the Full Post]

Loss of HAT1 Expression Confers BRAFV600E Inhibitor Resistance to Melanoma Cells by Activating MAPK Signaling via IGF1R

62 views | Jun 07 2020

Suresh Bugide et al. showed that the loss of HAT1 expression confered acquired BRAFi resistance by activating the MAPK signaling pathway via IGF1R. [Read the Full Post]

Generation of Liver Bipotential Organoids With a Small-Molecule Cocktail

142 views | Jun 05 2020

Xin Wang et al. demonstrated that Wnt/β-catenin, NMII-Rac, and PKA-ERK are core signaling pathways essential and sufficient for mouse liver progenitor expansion. [Read the Full Post]

Exploring the Relevance of Senotherapeutics for the Current SARS-CoV-2 Emergency and Similar Future Global Health Threats

172 views | Jun 05 2020

Marco Malavolta et al. explored the idea that an exacerbated inflammatory response, in particular that mediated by IL-6, migtht drive the deleterious consequences of the infection. [Read the Full Post]

HMGB1-induced Aberrant Autophagy Contributes to Insulin Resistance in Granulosa Cells in PCOS

102 views | Jun 04 2020

Chuyue Zhang et al. indicated that increased HMGB1 contributes to IR development in granulosa cells of PCOS patients, which was associated with exacerbation of autophagy by HMGB1. Control of HMGB1 production might be benefical for the improvement of insulin sensitivity in granulosa cells in PCOS. [Read the Full Post]

Berberine Represses Human Gastric Cancer Cell Growth in Vitro and in Vivo by Inducing Cytostatic Autophagy via Inhibition of MAPK/mTOR/p70S6K and Akt Signaling Pathways

76 views | Jun 04 2020

Qiang Zhang et al. indicated that berberine repressed human gastric cancer cell growth in vitro and in vivo by inducing cytostatic autophagy via inhibition of MAPK/mTOR/p70S6K and Akt, and provided a molecular basis for the treatment of gastric cancer. [Read the Full Post]

Phase I Trial of Alpelisib in Combination With Concurrent Cisplatin-Based Chemoradiotherapy in Patients With Locoregionally Advanced Squamous Cell Carcinoma of the Head and Neck

50 views | Jun 03 2020

D Day et al. found that Alpelisib at 200 mg has a manageable safety profile in combination with cisplatin-based CRT in LA-SCCHN. [Read the Full Post]

The Novel Dual BET/HDAC Inhibitor TW09 Mediates Cell Death by Mitochondrial Apoptosis in Rhabdomyosarcoma Cells

75 views | Jun 03 2020

Stephanie Laszig et al. found that TW09 showed potent antitumor activity in RMS cells in vitro by inducing mitochondrial apoptosis and might represent a promising new therapeutic option for the treatment of RMS. [Read the Full Post]

Cell Cycle Arrest and Apoptosis Are Not Dependent on p53 Prior to p53-dependent Embryonic Stem Cell Differentiation

218 views | Jun 02 2020

Sushil K Jaiswal et al. found that the multiple roles of p53 in cell cycle regulation and apoptosis were first acquired during pluripotent stem cell differentiation. [Read the Full Post]

Pyruvate Anaplerosis Is a Mechanism of Resistance to Pharmacological Glutaminase Inhibition in Triple-Receptor Negative Breast Cancer

63 views | Jun 02 2020

Dean C Singleton et al. highlighted the potential influence that both circulating and tumour-derived pyruvate could have on glutaminase inhibitor efficacy. Furthermore, they highlighted the benefits of 3D spheroid cultures to model the features of the tumour microenvironment and improved the in vitro investigation of cancer metabolism-targeted therapeutics. [Read the Full Post]

A Natural Anthraquinone Derivative Shikonin Synergizes With AZD9291 Against wtEGFR NSCLC Cells Through Reactive Oxygen Species-Mediated Endoplasmic Reticulum Stress

109 views | Jun 01 2020

Xiu Hu et al. suggested that combining shikonin with AZD9291was a promising therapeutic strategy for treating wtEGFR NSCLC patients. [Read the Full Post]

CDK12-Altered Prostate Cancer: Clinical Features and Therapeutic Outcomes to Standard Systemic Therapies, Poly (ADP-Ribose) Polymerase Inhibitors, and PD-1 Inhibitors

81 views | Jun 01 2020

Emmanuel S Antonarakis et al. found that CDK12-altered prostate cancer was an aggressive subtype with poor outcomes to hormonal and taxane therapies as well as to PARP inhibitors. A proportion of these patients might respond favorably to PD-1 inhibitors, which implicated CDK12 deficiency in immunotherapy sensitivity. [Read the Full Post]

Phase II Trial of AKT Inhibitor MK-2206 in Patients With Advanced Breast Cancer Who Have Tumors With PIK3CA or AKT Mutations, and/or PTEN loss/PTEN Mutation

115 views | May 31 2020

Yan Xing et al. found that MK-2206 monotherapy had limited clinical activity in advanced breast cancer patients selected for PIK3CA/AKT1 or PTEN mutations or PTEN loss. This may, in part, be due to inadequate target inhibition at tolerable doses in heavily pre-treated patients with pathway activation, as well as tumor heterogeneity and evolution in markers such as PTEN conferring challenges in patient selection. [Read the Full Post]

Small Molecule JQ1 Promotes Prostate Cancer Invasion via BET-independent Inactivation of FOXA1

116 views | May 31 2020

Leiming Wang et al. indicated that JQ1 has an unexpected effect of promoting invasion in prostate cancer. [Read the Full Post]

PARP and PARG Inhibitors in Cancer Treatment

94 views | May 28 2020

Dea Slade highlighted clinical performance of four PARP inhibitors used in cancer therapy (olaparib, rucaparib, niraparib, and talazoparib) and discussed the predictive biomarkers of inhibitor sensitivity, mechanisms of resistance as well as the means of overcoming them through combination therapy. [Read the Full Post]

MG-132 Attenuates Cardiac Deterioration of Viral Myocarditis via AMPK Pathway

86 views | May 28 2020

Xin-Min Zhang et al. found that MG-132 modulated apoptosis and inflammation, improved hemodynamics, and inhibited the structural remodeling of ventricles in a myocarditis mouse model via regulation of the AMPK signal pathway. [Read the Full Post]

Hypoxia Upregulates Cxcl12 in Hepatocytes by a Complex Mechanism Involving Hypoxia-Inducible Factors and Transforming Growth Factor-β

89 views | May 27 2020

Jenna Strickland et al. demonstrated that hypoxia upregulated Cxcl12 in primary mouse hepatocytes by a mechanism that involved HIFs and TGF-β. [Read the Full Post]

Talazoparib in Patients With a Germline BRCA-Mutated Advanced Breast Cancer: Detailed Safety Analyses From the Phase III EMBRACA Trial

99 views | May 27 2020

Sara A Hurvitz et al. found that Talazoparib was associated with superior efficacy, favorable PROs, and lower HRU rate versus chemotherapy in gBRCA-mutated ABC. Toxicities were manageable with talazoparib dose modification and supportive care. [Read the Full Post]

GSK1120212 (JTP-74057) Is an Inhibitor of MEK Activity and Activation With Favorable Pharmacokinetic Properties for Sustained in Vivo Pathway Inhibition

0 views | May 26 2020

Aidan G Gilmartin et al. found that GSK1120212 combineed high potency, selectivity, and long circulating half-life, offering promise for successfully targeting the narrow therapeutic window anticipated for clinical MEK inhibitors. [Read the Full Post]