Keep Current with the Latest in Cell Biology Research

Extracellular Matrix in Vascular Homeostasis and Disease

[Nature Reviews Cardiology] The authors explore various aspects of extracellular matrix biology in vascular development, disorders and aging, emphasizing the effect of the ECM on disease initiation and progression.

THBS2+ Cancer-Associated Fibroblasts Promote EMT Leading to Oxaliplatin Resistance via COL8A1-Mediated PI3K/AKT Activation in Colorectal Cancer

[Molecular Cancer] Together with single-cell RNA sequencing and spatial transcriptomics analyses, scientists identified THBS2 specifically derived from subsets of cancer associated fibroblasts (CAFs), termed THBS2 + CAFs, which could promote oxaliplatin resistance by interacting with malignant cells via the collagen pathway in colorectal cancer.

LKB1 Inactivation Promotes Epigenetic Remodeling-Induced Lineage Plasticity and Antiandrogen Resistance in Prostate Cancer

[Cell Research] Utilizing single-cell RNA sequencing on both human and mouse prostate cancer samples, combined with whole-genome bisulfite sequencing and multiple genetically engineered mouse models, researchers investigated the molecular mechanism of androgen receptor-independent lineage plasticity and uncovered a potential therapeutic strategy.

Brain-Wide Cell-Type-Specific Transcriptomic Signatures of Healthy Aging in Mice

[Nature] Scientists presented a comprehensive single-cell RNA sequencing dataset containing roughly 1.2 million high-quality single-cell transcriptomes of brain cells from young adult and aged mice of both sexes, from regions spanning the forebrain, midbrain and hindbrain.

Generation and Characterization of CRISPR-Cas9-Mediated XPC Gene Knockout in Human Skin Cells

[Scientific Reports] Scientists used CRISPR-Cas9 technology in order to knockout the Xeroderma pigmentosum group C (XPC) gene in various human skin cells. They built a 3D reconstructed skin using these XPC knockout skin cells.

Role of P2X7 Receptor in the Progression and Clinicopathological Characteristics of Gastric Cancer

[Scientific Reports] Scientists investigated the relationship between P2X7 receptor (P2X7R) and clinicopathological features of patients with gastric cancer, and further explored the effect of P2X7R on the proliferation, migration, and invasion of gastric cancer cells through functional experiments.

A Novel lncRNA AC112721.1 Promotes the Progression of Triple-Negative Breast Cancer by Directly Binding to THBS1 and Regulating miR-491-5p/C2CD2L Axis

[Scientific Reports] The authors identified a novel lncRNA, AC112721.1, that was overexpressed in TNBC and was associated with poor overall survival in TNBC patients. Loss- and gain-of-function experiments revealed that AC112721.1 promoted cell proliferation and migration, suppressed cell apoptosis in vitro and inhibited tumorigenesis in vivo.

PSCA-Targeted BPX-601 CAR T Cells with Pharmacological Activation by Rimiducid in Metastatic Pancreatic and Prostate Cancer: A Phase I Dose Escalation Trial

[Nature Communications] Investigators reported results of a Phase I open-label, dose-escalation trial of BPX-601, an investigational autologous prostate stem cell antigen (PSCA)-directed GoCAR-T® cell product containing an inducible MyD88/CD40 ON-switch responsive to the activating dimerizer rimiducid, in patients with metastatic CRPC.

SPOCK2 Controls the Proliferation and Function of Immature Pancreatic β-Cells Through MMP2

[Experimental & Molecular Medicine] Scientists identified SPARC (osteonectin), Cwcv and Kazal-like domains proteoglycan 2 (SPOCK2), an extracellular matrix protein, as an inhibitor of immature β-cell proliferation. Human β-cells lacking SPOCK2 presented elevated matrix metalloproteinase-2 (MMP2) expression and activity, leading to β-integrin-FAK-c-JUN pathway activation.

Reducing Functionally Defective Old HSCs Alleviates Aging-Related Phenotypes in Old Recipient Mice

[Cell Research] Through comprehensive molecular and functional analyses, scientists identified a subset of hematopoietic stem cells in aged mice that exhibited “younger” molecular profiles and functions, marked by low levels of CD150 expression.

SOCS Domain Targets ECM Assembly in Lung Fibroblasts and Experimental Lung Fibrosis

[Scientific Reports] Scientists showed that the suppressor of cytokine signaling (SOCS) conserved domain operated as a molecular tool, to disrupt collagen and fibronectin fibrils in the extracellular matrix associated with fibrotic lung myofibroblasts.

NOS Inhibition Sensitizes Metaplastic Breast Cancer to PI3K Inhibition and Taxane Therapy via C-JUN Repression

[Nature Communications] Scientists reported that nitric oxide synthase (NOS) blockade potentiated response of human metaplastic breast cancer cell lines and tumors to phosphoinositide 3-kinase (PI3K) inhibitor alpelisib and taxane.

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