Keep Current with the Latest in Cell Biology Research

CLEC12A Signaling Represses Protective Immune Responses and Contributes to Hippocampal Pathology in Neurotropic Picornavirus Infection

[Scientific Reports] Scientists characterized the effect of C-type lectin domain family 12 member A (CLEC12A) signaling on virus control and neuropathology in Theiler’s murine encephalomyelitis virus infection.

Dual Effects of the Alternative Spliced RIG-I Isoform PTIR1 on Host Antiviral Defense and Immune Homeostasis

[Cell Death & Disease] The authors identified promoter of tumor immune resistance 1 (PTIR1), a primate-specific splice variant of DDX58 lacking exon 4 and encoding a truncated RIG-I isoform, as a negative regulator of innate immune signaling.

Multiomics Analysis Reveals the Genetic and Epigenetic Features of High-Risk NK Cell-Type Chronic Active EBV Infection

[Blood] Scientists explored the molecular mechanisms underlying chronic active Epstein-Barr virus (EBV) infection (CAEBV) by performing a comprehensive multiomics analysis, including genome, transcriptome, epigenome, and single-cell transcriptome and surface proteome analyses, of 65 patients with CAEBV.

Molecular Basis for Selection and Inhibition of HIV-1 Escape Virus by T Cells and KIR2DL2NK Cells

[Nature Communications] The authors investigated the role of HIV-1-specific CD8+ T cells and NK cells recognizing superimposed Pol peptides in selection and control of HIV-1 mutant virus.

CAPRIN1 Specifically Mediates M6a Modification of RIG-I RNA to Inhibit Mycobacterium Tuberculosis Infection

[Communications Biology] Molecular and cellular experiments demonstrated that CAPRIN1 regulates the m6A modification of RIG-I RNA through direct interaction with METTL3, further influencing downstream interferon-associated gene networks and modulating Mycobacterium tuberculosis infection.

Respiratory Immunization Using Antibiotic-Inactivated Bordetella Pertussis Confers T Cell-Mediated Protection against Nasal Infection in Mice

[Nature Microbiology] Investigators presented preclinical evidence of a safe and effective respiratory-delivered vaccine platform for inducing T cell-mediated sterilizing immunity against a respiratory pathogen.

Pathogenic Drivers of Lupus Myocarditis and Potential Therapeutic Targets

[Experimental & Molecular Medicine] The authors offer an overview of the current knowledge on autoreactive T cells and autoantibodies identified in primary systemic lupus erythematosusor autoimmune myocarditis conditions from both clinical and preclinical studies.

Oncogenic KRAS Mutations Drive Immune Suppression through Immune-Related Regulatory Network and Metabolic Reprogramming

[Cell Death & Disease] Scientists review the KRAS mutation-associated immune microenvironment features and discuss how KRAS remodels the immune microenvironment by regulating immune-related molecules, inflammatory factors, and multiple metabolic pathways.

SARS-CoV-2 Variants: Biology, Pathogenicity, Immunity, and Control

[Nature Reviews Microbiology] The authors describe the origins and evolution of SARS-CoV-2, and outline variant and subvariant-specific characteristics.

Piwil-2 Represents a Poor Prognosticator in Merkel Cell Carcinomas That Regulates Oncoproteins, Cell Cycle Arrest, and SOX-2 Expression

[Scientific Reports] Investigators utilized siRNAs for Piwil-2 knock-down in Merkel cell carcinoma cells. Downregulation of Piwil-2 caused a significant change of 202 different PIWI-interacting RNAs and 419 proteins.

USP13 Ameliorates Diabetic Cardiomyopathy via Deubiquitinating NLRP3 and Inhibiting Pyroptosis in Cardiomyocytes

[Cell Death & Differentiation] Scientists observed that the expression of the deubiquitinating enzyme USP13 was significantly downregulated in diabetic cardiomyopathy mouse heart tissues.

YAP1 Reactivation in Cardiomyocytes following ECM Remodelling Contributes to the Development of Contractile Force and Sarcomere Maturation

[Cell Death Discovery] The authors employed mechanical actuation as a proxy reproducing extracellular matrix remodelling in vitro to trigger YAP1 nuclear shuttling in contractile cardiomyocytes derived from hESCs and iPSCs.

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