The ligand-dependent suppression of TCR signaling by the immune checkpoint receptor LAG3 depends on the cytoplasmic RRFSALE motif | Science Signaling
A cytoplasmic motif in LAG3 mediates ligand-dependent inhibition of T cell receptor signaling. (Source: Signal Transduction Knowledge Environment)
Source: Signal Transduction Knowledge Environment - October 3, 2023 Category: Science Source Type: news

Stress exhausts T cells | Science Signaling
Catecholamines associated with stress promote T cell exhaustion through the β1-adrenergic receptor. (Source: Signal Transduction Knowledge Environment)
Source: Signal Transduction Knowledge Environment - October 3, 2023 Category: Science Source Type: news

Transcriptomics-inferred dynamics of SARS-CoV-2 interactions with host epithelial cells | Science Signaling
The timing of transcriptional events in SARS-CoV-2 –infected cells reveals a host-targeted treatment. (Source: Signal Transduction Knowledge Environment)
Source: Signal Transduction Knowledge Environment - September 26, 2023 Category: Science Source Type: news

B cell responses to membrane-presented antigens require the function of the mechanosensitive cation channel Piezo1 | Science Signaling
Mechanosensitive Ca2+ signaling in B cells underlies their preference for membrane-bound over soluble antigens. (Source: Signal Transduction Knowledge Environment)
Source: Signal Transduction Knowledge Environment - September 26, 2023 Category: Science Source Type: news

Stressed Hippo kinase turns to autophagy | Science Signaling
The Hippo kinase MAP4K2 takes a YAP-independent path to tolerating energy stress. (Source: Signal Transduction Knowledge Environment)
Source: Signal Transduction Knowledge Environment - September 26, 2023 Category: Science Source Type: news

Opposing roles of RUBCN isoforms in autophagy and memory B cell generation | Science Signaling
Two RUBCN isoforms exert distinct effects on autophagy and the differentiation of memory B cells. (Source: Signal Transduction Knowledge Environment)
Source: Signal Transduction Knowledge Environment - September 19, 2023 Category: Science Source Type: news

The lncRNA MIR99AHG directs alternative splicing of SMARCA1 by PTBP1 to enable invadopodia formation in colorectal cancer cells | Science Signaling
Colorectal cancer cells become invasive when an lncRNA alters the binding of a splicing factor. (Source: Signal Transduction Knowledge Environment)
Source: Signal Transduction Knowledge Environment - September 19, 2023 Category: Science Source Type: news

An ion channel ’s high five | Science Signaling
Switching between tetrameric and pentameric states regulates the pore size of the ion channel TRPV3. (Source: Signal Transduction Knowledge Environment)
Source: Signal Transduction Knowledge Environment - September 19, 2023 Category: Science Source Type: news

TSLP shapes the pathogenic responses of memory CD4+ T cells in eosinophilic esophagitis | Science Signaling
Patients with eosinophilic esophagitis have more inflammatory T cells that respond to the cytokine TSLP. (Source: Signal Transduction Knowledge Environment)
Source: Signal Transduction Knowledge Environment - September 12, 2023 Category: Science Source Type: news

Fluoxetine restrains allergic inflammation by targeting an Fc ɛRI-ATP positive feedback loop in mast cells | Science Signaling
Fluoxetine inhibits IgE- and ATP-driven driven mast cell function in allergic inflammation. (Source: Signal Transduction Knowledge Environment)
Source: Signal Transduction Knowledge Environment - September 12, 2023 Category: Science Source Type: news

A spartin approach to lipophagy | Science Signaling
The autophagic degradation of lipid droplets requires the protein spartin. (Source: Signal Transduction Knowledge Environment)
Source: Signal Transduction Knowledge Environment - September 12, 2023 Category: Science Source Type: news

The Ca2+ channel ORAI1 is a regulator of oral cancer growth and nociceptive pain | Science Signaling
The Ca2+ channel ORAI1 promotes the growth of oral cancer cells and the pain they induce. (Source: Signal Transduction Knowledge Environment)
Source: Signal Transduction Knowledge Environment - September 5, 2023 Category: Science Source Type: news

Lysine lactylation regulates metabolic pathways and biofilm formation in Streptococcus mutans | Science Signaling
Sucrose stimulates lysine lactylation to alter metabolism in the oral bacterium Streptococcus mutans. (Source: Signal Transduction Knowledge Environment)
Source: Signal Transduction Knowledge Environment - September 5, 2023 Category: Science Source Type: news

Polycystin goes with the flow | Science Signaling
Asymmetric movement of a polycystin subunit may underlie the initial break in left-right asymmetry in mouse embryos. (Source: Signal Transduction Knowledge Environment)
Source: Signal Transduction Knowledge Environment - September 5, 2023 Category: Science Source Type: news

The E3/E4 ubiquitin ligase UFD-2 suppresses normal and oncogenic signaling mediated by a Raf ortholog in Caenorhabditis elegans | Science Signaling
A pathway that degrades wild-type and mutant forms of the C. elegans Raf ortholog LIN-45 is identified. (Source: Signal Transduction Knowledge Environment)
Source: Signal Transduction Knowledge Environment - August 29, 2023 Category: Science Source Type: news