Blog of Signaling Pathways

Delta-short consensus repeat 4-decay accelerating factor (DAF: CD55) inhibits complement-mediated cytolysis but not NK cell-mediated cytolysis

112 views | Nov 27 2021

Shuji Miyagawa et al. suggested, for DAF to function on NK cells, SCR2-4 is required but no relation to its complement regulatory function exists. [Read the Full Post]

Non-canonical H3K79me2-dependent pathways promote the survival of MLL-rearranged leukemia

327 views | Nov 27 2021

William F Richter et al. found that this pathway also depends on MLL1, indicating combinations of DOT1L, MLL1 and FLT3 inhibitors should be explored for treating FLT3-mutant leukemia. [Read the Full Post]

Preclinical Test of Dacomitinib, an Irreversible EGFR Inhibitor, Confirms Its Effectiveness for Glioblastoma

0 views | Nov 26 2021

Cristina Zahonero et al. found that dacomitinib clearly affected receptor signaling in vivo and that its strong antitumoral effect was independent of the presence of mutant receptor isoforms although it could be affected by the PTEN status. [Read the Full Post]

Cadherin-12 Regulates Neurite Outgrowth Through the PKA/Rac1/Cdc42 Pathway in Cortical Neurons

475 views | Nov 26 2021

Beibei Guo et al. reported the effect of CDH12 on axonal extension in vitro and in vivo. [Read the Full Post]

PSEN1-selective gamma-secretase inhibition in combination with kinase or XPO-1 inhibitors effectively targets T cell acute lymphoblastic leukemia

168 views | Nov 25 2021

Inge Govaerts et al. thought that the antileukemic effect of PSEN1-selective gamma-secretase inhibition could be synergistically enhanced by the addition of other targeted inhibitors. [Read the Full Post]

MLK3 mediates impact of PKG1α on cardiac function and controls blood pressure through separate mechanisms

679 views | Nov 25 2021

Timothy D Calamaras et al. suggested augmenting MLK3 kinase activity could preserve LV function in HF but avoid hypotension from PKG1α activation. [Read the Full Post]

A High-Content Screen for Mucin-1-Reducing Compounds Identifies Fostamatinib as a Candidate for Rapid Repurposing for Acute Lung Injury

0 views | Nov 24 2021

Maria Kost-Alimova et al. suggested fostamatinib as a repurposing drug candidate for ALI. [Read the Full Post]

Nuclear Export Inhibitor KPT-8602 Synergizes with PARP Inhibitors in Escalating Apoptosis in Castration Resistant Cancer Cells

0 views | Nov 24 2021

Md Hafiz Uddin et al. found that KPT-8602 with or without olaparib reduced homologous recombination-regulated DNA damage response targets including BRCA1, BRCA2, CHEK1, EXO1, BLM, RAD51, LIG1, XRCC3 and RMI2. [Read the Full Post]

Blocking neddylation elicits antiviral effect against hepatitis B virus replication

170 views | Nov 23 2021

Karima Abounouh et al. provided new tools interfering with HBV persistence as well as novel therapeutic strategies against chronic hepatitis B. [Read the Full Post]

Lipophagy deficiency exacerbates ectopic lipid accumulation and tubular cells injury in diabetic nephropathy

247 views | Nov 22 2021

Yachun Han et al. found that autophagy-mediated lipophagy deficiency played a critical role in the ELD and lipid-related renal injury of DN. [Read the Full Post]

First-in-human phase 1 study of the anti-TIGIT antibody vibostolimab as monotherapy or with pembrolizumab for advanced solid tumors, including non-small cell lung cancer

310 views | Nov 22 2021

J Niu et al. found that vibostolimab plus pembrolizumab was well tolerated and demonstrated antitumor activity in patients with advanced solid tumors, including patients with advanced NSCLC. [Read the Full Post]

The expression of Annexin A1 and A5 mRNA by gonadotropin-releasing hormone in LβT2 gonadotrope cells

347 views | Nov 21 2021

Takuya Murata et al. found that ANXA1 mRNA expression was stimulated by GnRH through PKC like ANXA5, and the response of ANXA1 was much larger than that of ANXA5. [Read the Full Post]

Mutual regulation between chicken telomerase reverse transcriptase and the Wnt/β-catenin signalling pathway inhibits apoptosis and promotes the replication of ALV-J in LMH cells

496 views | Nov 21 2021

Yong Xiang et al. found that chTERT not only shortened the cell cycle to promote proliferation but also inhibited apoptosis by downregulating the expression of Caspase 3, Caspase 9 and BAX. [Read the Full Post]

Histone Deacetylase Inhibition Regulates Lipid Homeostasis in a Mouse Model of Amyotrophic Lateral Sclerosis

62 views | Nov 20 2021

Thibaut Burg et al. found that HDAC inhibition is a potential new therapeutic strategy to modulate lipid metabolism defects in ALS and potentially other neurodegenerative diseases. [Read the Full Post]

Sapanisertib Plus Exemestane or Fulvestrant in Women with Hormone Receptor-Positive/HER2-Negative Advanced or Metastatic Breast Cancer

45 views | Nov 20 2021

Bora Lim et al.found that sapanisertib plus exemestane or fulvestrant was well tolerated and exhibited clinical benefit in postmenopausal women with pretreated everolimus-sensitive or everolimus-resistant breast cancer. [Read the Full Post]

Multimodal obstruction of tumorigenic energy supply via bionic nanocarriers for effective tumor therapy

315 views | Nov 19 2021

Xiaoqian Yu et al. found that the CA4P/VK2-MSNs-TBAM/TSAG-HA (CVMMGH for short) nanocarrier combined well-controllable manipulation of tumor vasculature and tumor mitochondria to effectivly cut off the tumorigenic energy supply. [Read the Full Post]

First-in-child phase I/II study of the dual mTORC1/2 inhibitor vistusertib (AZD2014) as monotherapy and in combination with topotecan-temozolomide in children with advanced malignancies: arms E and F of the AcSé-ESMART trial

276 views | Nov 19 2021

Raphael J Morscher et al. found that vistusertib was well tolerated in paediatric patients. [Read the Full Post]

A high-throughput and simultaneous determination of combretastatin A-4 phosphate and its metabolites in human plasma using HPLC-MS/MS: Application to a clinical pharmacokinetic study

269 views | Nov 18 2021

Qizhen Wu et al. thought that an abundant ammonium adduct ion of CA4G in ESI+ was observed as an ideal precursor ion. [Read the Full Post]

Sequential drug delivery by injectable macroporous hydrogels for combined photodynamic-chemotherapy

291 views | Nov 18 2021

Yuanyuan Zhong et al. found that dual drugs treated groups had better tumor inhibition than solo drug under near infrared laser irradiation [Read the Full Post]

Chk1 inhibition potently blocks STAT3 tyrosine705 phosphorylation, DNA binding activity, and activation of downstream targets in human multiple myeloma cells

142 views | Nov 17 2021

Liang Zhou et al. suggest that Chk1 pathway inhibitors warranted attention as novel and potent candidate STAT3 antagonists in myeloma. [Read the Full Post]