Keep Current with the Latest in Cell Biology Research

Engineered GM1 Intersects Between Mitochondrial and Synaptic Pathways to Ameliorate ALS Pathology

[Advanced Science] Researchers conducted proteomic analyses of human iPSC-derived motor neurons carrying C9ORF72 mutations, alongside spinal ventral horns from mice with pathogenic C9orf72-mutations.

Distinct Endocannabinoids Specifically Signal to Astrocytes or Neurons in the Adult Mouse Hippocampus

[Nature Neuroscience] Investigators showed that 2-arachidonoylglycerol selectively signals to neurons, eliciting the depression, which is mediated exclusively by neuronal mechanisms.

TGFβ Signaling Mediates Microglial Resilience to Spatiotemporally Restricted Myelin Degeneration

[Nature Neuroscience] By examining spinal cord white matter tracts in mice, the authors determined that myelin degeneration was particularly prominent in the dorsal column during normal aging.

NLRP3 Facilitates α-Synuclein-Induced Dopaminergic Neuronal Senescence in a Mouse Model of Parkinson’s Disease through SATB1/DNA Damage/P21 Signaling Pathway

[Acta Pharmacologica Sinica] Scientists identified the cell type susceptible to α-synuclein-induced cellular senescence in the substantia nigra and investigated the specific role of microglia with a particular focus on the NLRP3 inflammasome.

Atypical Cell Cycle Regulation over Neural Stem Cell Expansion

[Stem Cell Reports] Using a conditional mouse model, we demonstrate that driving the expression of Spy1, in the Nestin-enriched NSC population of the brain, increases stemness characteristics, decreases differentiation, and increases susceptibility to oncogenic transformation.

DMTF1 Up-Regulation Rescues Proliferation Defect of Telomere Dysfunctional Neural Stem Cells via the SWI/SNF-E2F Axis

[Science Advances] Investigators found that DMTF1, a transcription factor that regulates the Arf/p53 axis in cancer, is down-regulated in the NSCs of a premature aging model driven by telomerase deficiency.

Integrated Microfluidic Platform for High-Throughput Generation of Intestinal Organoids in Hydrogel Droplets

[Advanced Science] Researchers presented an integrated microfluidic platform that addresses these limitations by enabling high-throughput generation of uniform hydrogel microparticles embedded with primary-derived human adult intestinal stem cells.

Small Nucleolar RNA Snord17 Promotes Self-Renewal of Intestinal Stem Cells through Yy2 mRNA Export and Tead4 Activation

[Advanced Science] The authors identified a small nucleolar RNA Snord17 that is highly expressed in intestinal stem cells (ISCs). Snord17 knockout abrogates stemness of ISCs and impairs epithelial regeneration.

Endoglin as a BMP9 Co-Receptor in Vascular Endothelial Cells: Prodomain Displacement and TGFBRII Recruitmen

[Nature Communications] Endoglin (ENG) efficiently displaces prodomains from BMP9 and BMP10, enabling effective capturing of both ligands from the circulation, and binds to and recruits TGFBRII into the BMP9 signalling complex, thereby explaining ENG’s involvement in both TGF-β and BMP9 pathways.

Inhibition of PAK2 in Endothelial Cells Suppresses Tumor Angiogenesis and Promotes Immune Sensitization through CXCL10

[Cell Reports] Scientists showed that endothelial-specific deletion of p21-activated kinase 2 (PAK2) in orthotopic tumor mouse models markedly reduces tumor size and angiogenesis.

Derivation and Analysis of Human Somatic Sensory Neuron Subtypes Facilitated through Fluorescent hPSC Reporters

[Stem Cell Reports] To improve upon iPSC-based somatosensory disease models, investigators described the generation and validation of a genetic toolset to fluorescently label all or distinct somatosensory subtypes.

UCHL1 Stabilizes Twist1 via K11/K63-Linked Deubiquitination to Drive Tumor Metastasis in Non-Small Cell Lung Cancer

[Cell Death Discovery] Scientists demonstrated that ubiquitin C-terminal hydrolase L1 (UCHL1) is upregulated in NSCLC and drives tumor metastatic progression.

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