Keep Current with the Latest in Cell Biology Research

Cholesterol Synthases Suppress Metastasis and Stemness through PDIA4/ACLY or SYVN1/SCD1 Axis in Advanced Colorectal Cancer

[Communications Biology] Scientists demonstrated that suppress of cholesterol synthases FDFT1 or SQLE enhances colorectal cancer metastasis and stemness through impairing ER stress and degrading PDIA4 or SYVN1 individually.

Nuclear Hexokinase 2 Couples Hyperglycemia to MYC-Driven Glycolytic and Stemness Programs in Bladder Cancer

[Cell Death & Disease] Researchers identified a noncanonical, nuclear role of hexokinase 2 that couples systemic hyperglycemia to MYC-driven glycolysis and stemness in bladder cancer.

Blocking Ubiquitination of hnRNPA1 Maintains the Self-Renewal of Breast Cancer Stem Cells via Mutually Exclusive Splicing of PKM Pre-mRNA

[Oncogene] Investigators reported that PKM2 expression is upregulated in breast CSCs (BCSCs). LINC00887 maintains the self-renewal of BCSCs by promoting PKM2 splicing and reprogramming glucose metabolism.

Progesterone Receptors Drive Advanced Breast Cancer Phenotypes Including Circulating tumor- and Stem-Like Cell Expansion in the Context of ESR1 Mutation

[NPJ Breast Cancer] Scientists investigated progesterone receptor-dependent transcriptional programs such as the unfolded protein response that can be leveraged to target CSCs in Y537S estrogen receptor gene (ESR1)-mutant breast cancer.

Neuron-Derived Mitochondrial DNA (mtDNA) Activates Microglia via the Z-DNA Binding Protein 1 (ZBP1)-Mediated Pathway in Mild Traumatic Brain Injury

[Proceedings of the National Academy of Sciences of the United States of America] Using a clinically relevant closed-head weight-drop mouse model, scientists identified mtDNA-specific damage and increased expression of innate inflammatory markers in the cerebral cortex during the acute mild traumatic brain injury phase.

Brain-Derived Neurotrophic Factor Coordinates Neuron-Intrinsic Programs to Enhance Axonal Regeneration in Human Motor Neurons

[Science Signaling] Researchers found that the neurotrophin brain-derived neurotrophic factor amplifies multiple neuron-intrinsic programs to foster axonal regeneration in human iPSC-derived lower motor neurons.

Astrocyte-Mediated Higher-Order Control of Synaptic Plasticity

[Communications Biology] The authors introduced a higher-order model of the tripartite synapse, accounting for astrocyte-synapse-neuron interactions in short-term plasticity, such that astrocyte gliotransmission and pre-synaptic facilitation jointly modulate neurotransmitter release, generalizing earlier short-term plasticity models.

Identification of CD74-Positive Antigen Presenting Glioma Cells in Primary Human Tumors and Murine Models of NF1 High-Grade Glioma

[Molecular Cancer Therapeutics] Scientists generated three distinct glioma stem cell lines from high-grade gliomas arising in mice with Nf1 and Trp53 mutations in cis and characterized the allografts resulting from one Nf1-glioma stem cell line by single cell and single nuclear RNA-seq.

Defining the Functional Role and Potential As an Immunotherapeutic Target of ALCAM in Neuroblastoma

[Molecular Cancer Therapeutics] Researchers generated three inducible CRISPR inhibition cell lines to deplete activated leukocyte cell adhesion molecule (ALCAM) and elucidate its role in neuroblastoma.

Small-Molecule PCSK9 Inhibition Enhances BBB Amyloid-β Clearance and Suppresses Microglial Inflammation in Alzheimer’s Disease Models

[Scientific Reports] To define the therapeutic relevance of PCSK9 inhibition in Alzheimer’s disease-like pathology, scientists examined SBC-115,076 in AlCl3-challenged zebrafish larvae and mechanistically validated its effects using complementary endothelial–microglial in vitro models.

Neurokinin Receptor Antagonists for Vasomotor Symptoms: From KNDy Neurons to Clinical Translation

[Nature Reviews Endocrinology] The authors synthesize the current understanding of vasomotor symptoms neurobiological pathways, examines translational approaches from preclinical animal models to clinical studies, and discusses the evolution of treatments and mechanism-based interventions.

USC Researchers Awarded NIH Grant to Build a New Model of Hippocampal Neurodegeneration in Alzheimer’s Disease

[Keck School of Medicine of USC] A team of researchers at the University of Southern California (USC) Mark and Mary Stevens Neuroimaging and Informatics Institute at the Keck School of Medicine of USC has received a major grant from the National Institutes of Health (NIH) to investigate a long-standing mystery in Alzheimer’s disease.

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