Blog of Signaling Pathways

STIM2 promotes store-operated calcium entry via enhancing recruitment of STIM1 to the ER-PM junctions

1949 views | Jan 26 2015

Ong et al. found STIM2 promotes STIM1 recruitment in endoplasmic reticulum- plasma membrane junctions at low stimulus intensities, results in the enhancement of store-operated calcium entry. [Read the Full Post]

ESKM, a novel therapeutic agent for sensitive and resistant PH+ leukemias

12319 views | Jan 23 2015

Dubrovsky et al. developed an antibody, ESKM, which is therapeutically effective on acute and chronic leukemias in murine models. [Read the Full Post]

The inhibition of class I histone deacetylases by butyrate can suppress acute gout arthritis

4100 views | Jan 22 2015

Cleophas et al. found high concentration of short-chain fatty acid butyrate provides anti-inflammatory effect by inhibiting of histone deacetylases (HDACs) in acute gout arthritis. [Read the Full Post]

MAPK cascade promotes early axonal degeneration in response to injury

4998 views | Jan 21 2015

By using traumatic injury as a model, Yang et al. demonstrated a critical role of mitogen-activated protein kinase (MAPK) cascade in early axonal degeneration in response to injury. [Read the Full Post]

BUB1 plays a key role in promoting TGF-β signaling

6014 views | Jan 20 2015

By using human kinome siRNA screen and a live-cell reporter for TGF-β receptor (TGFBR) activity, Nyati et al. identified the kinase budding uninhibited by benzimidazoles-1 (BUB1) plays a critical role in regulating TGF-β signaling. [Read the Full Post]

Butyrate acts as an suppressor against colonic tumor in gnotobiotic mouse models

4359 views | Jan 19 2015

Donohoe et al. demonstrated dietary fiber suppress tumor progress in a microbiota- and butyrate-dependent manner. [Read the Full Post]

Snail also acts as a transactivator for the expression of tumor-associated cytokines

5621 views | Jan 16 2015

Hsu et al. demonstrated the underlying mechanism of Snail-mediated target gene transactivation, and also identified several target genes. [Read the Full Post]

The new finding of PI3K signaling regulation provides a novel therapeutic strategy for luminal breast cancer

7100 views | Jan 15 2015

Costa et al. found the high efficiency of p110α inhibition by BYL719 is attenuated due to p110β accumulation. [Read the Full Post]

Tofacitinib promotes myeloid-derived suppressor cells expansion and reduces disease severity of arthritis SKG mice

5744 views | Jan 14 2015

Nishimura et al. revealed that tofacitinib has effect on promoting MDSCs expansion and ameliorating arthritis in SKG mice. [Read the Full Post]

The important role of Cav1 in inducing peritoneal membrane epithelial-mesenchymal transition and fibrosis

2212 views | Jan 13 2015

Strippoli et al. found Caveolin-1 (Cav1) acts as a critical factor in the increasing epithelial-mesenchymal transition (EMT), thickness, and fibrosis of peritoneum during peritoneal dialysis. [Read the Full Post]

The mechanism of kinase independent AKT in promoting cancer development

5035 views | Jan 12 2015

Vivanco et al. revealed the mechanism and emphasized a kinase-independent function of AKT in regulating cancer cell survival. [Read the Full Post]

Inflammatory signaling plays a critical role in vertebrates embryonic hematopoiesis

1966 views | Jan 09 2015

He et al. found inflammatory signaling is critical in zebrafish and mouse embryonic hematopoiesis without infection or pathological inflammation. [Read the Full Post]

Generate hypothalamic neurons from hESCs and human iPSCs

3292 views | Jan 08 2015

Wang et al. reported a protocol of differeiciating human embryonic stem cells (hESCs) and induced pluripotent stem cells (iPSCs) into hypothalamic cells. [Read the Full Post]

The mechanism of resistance to JAK2 inhibitor in myeloproliferative neoplasms patients

10031 views | Jan 07 2015

Winter et al. identified the underlying mechanism of the emerging JAK2 inhibitor therapy resistance in MPNs patients, and found the RAS and pathways mediated by AKT and ERK contribute to the resistance. [Read the Full Post]

An unusual mechanism of ERBB4 in regulating tumor related gene expression

8001 views | Jan 06 2015

Haskins et al. found ERBB4 activated the transcriptional coactivator YAP by binding to its ligand neuregulin 1 (NRG1), to regulate gene expression of cancer cells. [Read the Full Post]

Resvertrol targets a human tRNA synthetase for activation of NAD+-dependent PARP1

4474 views | Jan 05 2015

Mathew Sajish and Paul Schimmel found resvertrol interacts with tyrosyl transfer-RNA (tRNA) synthetase (TyrRS), which translocates to the nucleus in response to stress, to initiating its effect in nuclear. [Read the Full Post]

The important role of immune microenvironment in resistance to MAPK pathway-targeted therapy

1837 views | Jan 04 2015

Smith et al. demonstrated that the factors within immune microenvironment can promote the resistance to mitogen-activated protein kinase (MAPK) pathway-targeted therapy. [Read the Full Post]

Two states of BRAFV600 mutant melanoma that related to MAPK inhibition resistance

6116 views | Dec 31 2014

Konieczkowski et al. revealed the mechanism of MAPK inhibition on BRAFV600 mutant melanomas. [Read the Full Post]

The mechanism of GSI resistance in T cell acute lymphoblastic leukemia

4905 views | Dec 30 2014

Knoechel et al. identified BRD4 is an important regulator of GSI resistance in T-ALL cells, and the combination of GSI and JQ1, the BRD4 inhibitor, is effective against T-ALL in vivo. [Read the Full Post]

The important role of HSF1 expressed by cancer-associated fibroblasts

3429 views | Dec 29 2014

Scherz-Shouval et al. found cancer-associated fibroblasts (CAFs) frequently express heat shock factor 1 (HSF1), which acts as a strong enabler of tumorigenesis. [Read the Full Post]