Keep Current with the Latest in Cell Biology Research

Identification of Lymphatic Vessels in Skull Periosteum but Not Bone Marrow Reveals Skull Channel Heterogeneity

[Journal of Experimental Medicine] Researchers used organ clearing, high-resolution three-dimensional imaging, cell type–specific mouse genetics, and surgical approaches to investigate skull vasculatures.

Old World Alphaviruses Use Distinct Mechanisms to Infect Brain Microvascular Endothelial Cells for Neuroinvasion

[Cell Reports] The authors investigated alphavirus-blood-brain barrier interactions by pairing a physiologically relevant, hPSC-derived model of brain microvascular endothelial-like cells with sindbis virus strains of opposite neuroinvasiveness.

A Subset of Transposable Elements As Mechano-Response Enhancer Elements in Controlling Human Embryonic Stem Cell Fate

[Nature Cell Biology] Investigators showed that various transposable element families, notably LTR7, undergo transcriptomic, epigenetic and three-dimensional genome changes in response to matrix mechanical cues in hESCs.

Signaling Pathway-Based Culture Condition Improves Differentiation Potential of Canine Induced Pluripotent Stem Cells

[Stem Cell Reports] Investigators have established NANOG-reporter canine iPSC (ciPSC) lines and found that fibroblast growth factor, activin/transforming growth factor-β, and WNT signals were critical for the robust maintenance of ciPSCs.

A Noncanonical Role of Glycolytic Metabolites Controlling the Timing of Mouse Embryo Segmentation

[Science Advances] Scientists found that energetically subminimal amounts of glucose can support ongoing segmentation clock activity, providing evidence that glycolysis exerts a signaling function.

Cancer-Associated Fibroblasts Drive Lung Adenocarcinoma Progression via THBS2-Mediated Epithelial-Mesenchymal Transition

[Oncogene] Scientists utilized single-cell RNA sequencing, spatial transcriptomics, and a combination of in vivo and in vitro models to decode the dynamics of tumor-stroma interactions during human LUAD progression.

Betaine Improves Hyperoxic Lung Injury through Downregulating Pulmonary Macrophage Pyroptosis in Newborn Mice

[Pediatric Research] Newborn mice were exposed to either hyperoxia or room air shortly after birth and treated subcutaneously with betaine daily for 14 days.

Gene Therapy and mRNA Drugs Approach for Mitochondrial OXPHOS Deficiencies

[Molecular Therapy] Scientists focus on gene therapy and mRNA drug approaches for nuclear-encoded gene defects causing isolated, combined, or multiple oxidative phosphorylation defects and mitochondrial-encoded gene defects for which a gene replacement approach has been tested, and on the allotopic expression of mtDNA genes.

Mitochondrial-Activity-Driven Hematopoietic Stem Cell Fate and Lineage Choice Is First Established in the Aorta-Gonad-Mesonephros

[Cell Reports] The authors showed that during the endothelial-to-hematopoietic transition in the mouse embryo, dynamic changes in mitochondrial activity drive the production of hematopoietic stem and progenitor cells with differing potencies.

FLT3L-Based Drug Conjugate Effectively Targets Chemoresistant Leukemia Stem Cells in Acute Myeloid Leukemia

[Cell Reports Medicine] Investigators developed FL-Fc-DM1, a FLT3-targeted conjugate linking FLT3 ligand-Fc to DM1. FL-Fc-DM1 demonstrates potent anti-leukemic activity in vitro, ex vivo, and in both cell line- and patient-derived xenograft models.

EKLF/KLF1 Coordinates Specialized Transcriptional Networks Required to Maintain the Integrity of Terminal Erythropoiesis

[Journal of Cell Science] Scientists discovered that genes involved in cell motility, cell division, and mitotic pathways are all directly regulated by erythroid Krüppel like factor (EKLF/ KLF1).

A 30-Gene Classifier Distinguishes Low-Risk MDS HSPCs from Healthy HSPCs

[Experimental Hematology] Researchers leveraged single-cell transcriptomics to characterize cell states across the hematopoietic stem and progenitor (HSPC)-myeloid differentiation landscape in lower-risk myelodysplastic syndromes (MDS).

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