Keep Current with the Latest in Cell Biology Research

European Commission Expands Role of Gilead’s Trodelvy® in First-Line Metastatic Triple-Negative Breast Cancer Across PD-L1 Status

[Gilead Sciences, Inc. (BioSpace)] Gilead Sciences, Inc. announced that the European Commission has granted marketing authorization for Trodelvy® in combination with Keytruday® for the treatment of adult patients with unresectable, locally advanced or metastatic triple-negative breast cancer (TNBC) who have not received prior systemic therapy for metastatic disease.

Matrix Stress Relaxation Drives Glioblastoma Cell Response in Viscoelastic Biomaterials

[Science Advances] Researchers engineered a tunable hyaluronan-elastin-like protein hydrogel to independently control ligand presentation and matrix viscoelasticity. Using dynamic covalent chemistry, they developed hydrogels with matched stiffness but distinct stress relaxation profiles.

Cancer-Associated Adipocytes: Metabolic Reprogramming, Crosstalk, and Therapeutic Implications in Tumor Progression

[Signal Transduction and Targeted Therapy] The authors synthesize how cancer-associated adipocytes and adipose dynamics drive oncogenesis, progression and therapeutic failure and highlight actionable nodes within the adipose–tumor axis for precision oncology.

CXCR4-Targeted Dual Softener for Inducing Senescence Therapy in Hepatic Fibrosis

[Proceedings of the National Academy of Sciences of the United States of America] Researchers developed an activation of hepatic stellate cell-targeted nanocomplex to remodel a rigid fibrotic barrier. This platform inhibits the fibrotic process by inducing cellular senescence and activating endogenous immune surveillance.

Spatial Profiling of the Spleen in Mouse and Human Myelofibrosis Reveals Complement-Driven Immune-Stromal Interactions As a Therapeutic Target

[Cell Stem Cell] Scientists combined spatial and single-nucleus transcriptomics of patient spleens with spatial and single-cell transcriptomics, as well as imaging analyses, of murine spleens to map extramedullary hematopoiesis niches.

ST6GAL1-Mediated Sialyl Linkage Switching Drives Cancer-Promoting α2,6-Sialo-Protrusions Radiating from Anti-Inflammatory TAMs

[Proceedings of the National Academy of Sciences of the United States of America] Using system glycobiology approaches, the authors reported that ST6GAL1 facilitates profound sialyl linkage switching within the glycocalyx upon tumor-associated macrophage (TAM) polarization.

Unraveling the Epigenetic Code in Cancer Cell-Tumor Microenvironment Crosstalk

[Molecular Oncology] Scientists discussed various epigenetic mechanisms controlling cancer cell-intrinsic states, cancer cell–TME crosstalk, current epigenetic therapies, and future research directions that may lead to the discovery of new biomarkers and the development of effective epigenetic anticancer therapeutics.

Extracellular Matrix Composition and Stiffness Regulates Progesterone Responsiveness and Decidualization

[iScience] Investigators used hydrogels to mimic physiological stiffnesses and examine how mechanical and biochemical ECM cues influence progesterone-induced differentiation (decidualization) in healthy fibroblasts.

HydroMEA: A 3D Hydrogel-Based Microfluidic Device to Study Electrophysiology for Myelinated Nerve-on-Chip

[Advanced Healthcare Materials] Researchers described ‘hydroMEA,’ a 3D platform fabricated by placing polydimethylsiloxane microstructures on a high-density multielectrode array and filled with a desired hydrogel, to offer controlled topologies, physiologically relevant microenvironments, and real-time electrophysiological measurements.

The Telomeric DNA Damage Response As a Therapeutic Target in Idiopathic Pulmonary Fibrosis

[EMBO Molecular Medicine] Researchers identified telomeric DNA damage signaling as a driver of idiopathic pulmonary fibrosis, with targeted inhibition reversing key molecular and fibrotic features of disease.

Targeting the S100A2-RAGE Pathway Restores AT2 Cell Identity and Mitigates Lung Fibrosis

[American Journal of Respiratory Cell and Molecular Biology] Scientists indicated that S100A2 is a key driver of epithelial dysfunction in lung fibrosis, promoting loss of alveolar type 2 epithelial (AT2) identity, aberrant basal fate acquisition, and persistent epithelial injury.

The Ferroptosis Inhibitor NUPR1 Coordinates the Mitochondrial Response to Oxidative Stress and Cell Metabolism during COPD Pathogenesis in the Lung

[American Journal of Physiology-Lung Cellular and Molecular Physiology] Investigators demonstrated that nuclear protein 1 (NUPR1) inhibition exacerbates iron accumulation, enhances lipid peroxidation, impairs mitochondrial function, disrupts cellular metabolism, and increases oxidative stress in lung epithelial cells.

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