Intratumoral Immune Activation with TLR4 Agonist Synergizes with Effector T Cells to Eradicate Established Murine Tumors

Scientists combined intratumoral administration of the synthetic toll-like receptor 4 agonist glucopyranosyl lipid A with either active vaccination or adoptive transfer of tumor-specific CD8 T cells to mice bearing established melanomas.
[Npj Vaccines]
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Huge Open-Access Journal Deal Inked by University of California and Springer Nature

The University of California (UC) system announced it has signed the biggest open-access deal in North America with one of the largest commercial scientific publishers. The agreement with Springer Nature includes a commitment by the publisher to explore making all articles that UC corresponding authors publish in the Nature family of journals immediately free to read on publication starting in 2022.
[ScienceInsider]
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Cell Type Specific Adhesion to Surfaces Functionalised by Amine Plasma Polymers

The increased resistance observed for the non-endothelial cell types was accompanied by an increased rate of cellular attachment, even though spontaneous migration was comparable to the control, i.e., to the standard cultivation surface. As demonstrated on fibroblasts, the resistance to trypsin was similar in serum-supplemented and serum-free media.
[Scientific Reports]
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Coupling of Melanocyte Signaling and Mechanics by Caveolae is Required for Human Skin Pigmentation

Investigators showed that caveolae were asymmetrically distributed in melanocytes and particularly abundant at the melanocyte-keratinocyte interface in epidermis.
[Nature Communications]
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Chronic Expression of p16INK4a in the Epidermis Induces Wnt-Mediated Hyperplasia and Promotes Tumor Initiation

Scientists found that prolonged expression of transgenic p16INK4a in the mouse epidermis induced hyperplasia and dysplasia, involving high proliferation rates of keratinocytes not expressing the transgene.
[Nature Communications]
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Massively Parallel Reporter Assays of Melanoma Risk Variants Identify MX2 as a Gene Promoting Melanoma

Researchers showed that melanocyte-specific expression of human MX2 in a zebrafish model demonstrated accelerated melanoma formation in a BRAFV600E background.
[Nature Communications]
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Failed Apoptosis Enhances Melanoma Cancer Cell Aggressiveness

Using a cancer cell model to trigger non-lethal caspase activation, the authors found that melanoma cancer cells undergoing failed apoptosis have a particular transcriptomic signature associated with focal adhesions, transendothelial migration, and modifications of the actin cytoskeleton.
[Cell Reports]
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Intracellular Virus Sensor MDA5 Exacerbates Vitiligo by Inducing the Secretion of Chemokines in Keratinocytes under Virus Invasion

Researchers clarified that virus invasion significantly activated MDA5 and further potentiated the keratinocyte-derived CXCL10 and CXCL16 which are the two vital chemokines for the cutaneous infiltration of CD8+ T cells in vitiligo.
[Cell Death & Disease]
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POU4F1 Promotes the Resistance of Melanoma to BRAF Inhibitors through MEK/ERK Pathway Activation and MITF Up-Regulation

The authors report that over-expressed POU4F1 contributed to the acquired resistance of melanoma cells to Vemurafenib. POU4F1 also promoted the activation of ERK signaling pathway via transcriptional regulation on MEK expression.
[Cell Death & Disease]
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Topical Application of Endothelin Receptor A Antagonist Attenuates Imiquimod-Induced Psoriasiform Skin Inflammation

Researchers investigated the effects of endothelin-1 (ET-1) receptor antagonist on imiquimod-induced psoriasiform dermatitis in a mouse model and found that ET-1 and endothelin A receptor axis played an important role in the pathogenesis of psoriasis.
[Scientific Reports]
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Percutaneous Absorption of Resveratrol and Its Oligomers to Relieve Psoriasiform Lesions: In Silico, In Vitro and In Vivo Evaluations

Scientists investigated the antipsoriatic activity of topical administration of resveratrol oligomers and explored the effect of the number of resveratrol subunits on skin absorption to establish the structure-permeation relationship.
[International Journal of Pharmaceutics]
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