Developmental Excitation-Inhibition Imbalance Underlying Psychoses Revealed by Single-Cell Analyses of Discordant Twins-Derived Cerebral Organoids

Brain organoids derived from iPSCs of patients are a powerful avenue to investigate the pathophysiological processes. Scientists generated iPSC-derived cerebral organoids from monozygotic twins discordant for psychosis.
[Molecular Psychiatry]
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ERK/MAPK Signaling Is Essential for Intestinal Development through Wnt Pathway Modulation

Scientists found that deletion of Erk1/2 in intestinal epithelial cells at embryonic stages resulted in an unexpected increase in cell proliferation and migration, expansion of intestinal stem cells and formation of polyp-like structures, leading to postnatal death.
[Development]
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Long Non-Coding RNA MIR503HG Inhibits the Proliferation, Migration and Invasion of Colon Cancer Cells via MiR-107/Par4 Axis

MIR503HG negatively regulated its target miR-107. MiR-107 overexpression reversed the anti-tumor effects of MIR503HG overexpression on colon cancer cells. Par4 was a target of miR-107, which was positively regulated by MIR503HG. The promoting effects of MIR503HG silencing on colon cancer cells were eliminated by Par4 overexpression.
[Experimental Cell Research]
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Discrete Adaptive Responses to MEK Inhibitor in Subpopulations of Triple-Negative Breast Cancer

The authors defined the differential responses to trametinib in subpopulations of a clinically-relevant in vitro model of TNBC, and identified both adaptive and acquired elements that contribute to the emergence of drug resistance mediated by increased expression of CXCR7 and amplification of KRAS.
[Molecular Cancer Research]
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Comprehensive Multi-Omics Analysis Uncovers a Group of TGF-β-Regulated Genes among lncRNA EPR Direct Transcriptional Targets

Investigators integrated data derived from ChIRP-Seq, ChIP-Seq as well as RNA-Seq in a comprehensive analysis and selected a group of bona fide direct transcriptional targets of EPR. Among them, they identified a subset of EPR targets whose expression was controlled by TGF-β with one of them—Arrdc3—being able to modulate Epithelial to Mesenchymal Transition.
[Nucleic Acids Research]
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Distinct Phenotypes of Cancer Cells on Tissue Matrix Gel

Scientists investigated mammary epithelial cell phenotypes and metabolic profiles on animal breast extracellular matrix-derived tissue matrix gel, Col I, and Matrigel. Atomic force microscopy, fluorescence microscopy, acini formation assay, differentiation experiments, spatial migration/invasion assays, proliferation assay, and nuclear magnetic resonance spectroscopy were used to examine biological phenotypes and metabolic changes.
[Breast Cancer Research]
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The Role of the Oncostatin M/Osm Receptor β Axis in Activating Dermal Microvascular Endothelial Cells in Systemic Sclerosis

Cell culture experiments were performed in human dermal microvascular endothelial cells and included mRNA and protein analysis, and cell migration and proliferation assays. Ex vivo skin organoid culture was used to evaluate the effect of OSM on perivascular fibrosis.
[Arthritis Research & Therapy]
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The Prostaglandin Synthases, COX-2 and L-PGDS, Mediate Prostate Hyperplasia Induced by Low-Dose Bisphenol A

In vitro studies showed that low-dose bisphenol A promoted the proliferation of human prostate fibroblasts and epithelial cells, and significantly upregulated the expression of cyclooxygenase-2 (COX-2) and L-PGDS in the cells.
[Scientific Reports]
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Polydatin Executes Anticancer Effects against Glioblastoma Multiforme by Inhibiting the EGFR-AKT/ERK1/2/STAT3-SOX2/Snail Signaling Pathway

The authors demonstrated that polydatin repressed cell proliferation, migration, invasion and stemness and promoted apoptosis in glioblastoma multiforme cells.
[Life Sciences]
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Amyloid Aggregates Accumulate in Melanoma Metastasis Modulating YAP Activity

Using secretome analyses, the authors revealed the extracellular accumulation of amyloidogenic proteins, i.e. premelanosome protein, in metastatic melanoma, together with proteins that assist amyloid maturation into fibrils.
[EMBO Reports]
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Targeting Hypoxia-Driven Metabolic Reprogramming to Constrain Tumor Progression and Metastasis

The authors aims to understand the biological processes, key events, and consequences regarding the hypoxia-driven metabolic adaptation of tumor cells.
[International Journal of Molecular Sciences]
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