Dermal Cell News Volume 6.31 | Aug 31 2020

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    2020-08-31 | DCN 6.31


    Dermal Cell News by STEMCELL Technologies
    Vol. 6.31 – 31 August, 2020
    TOP STORY

    Single
    Cell Transcriptomics of Human Epidermis Identifies Basal Stem Cell Transition States

    Cell-cell communication modeling suggested that basal cell populations served as crucial signaling hubs to maintain epidermal communication.
    [Nature Communications]

    Full Article


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    PUBLICATIONSRanked by the impact factor of the journal
    DERMAL STEM CELLS & TISSUE REGENERATION

    Human Epidermal Stem Cell Differentiation Is Modulated by Specific Lipid Subspecies

    By intersecting lipidomic datasets from suspension-induced differentiation and knockdown keratinocytes, scientists pinpointed candidate bioactive lipid subspecies as differentiation regulators.
    [Proceedings of the National Academy of Sciences of the United States of America]

    Full Article

    Regulation of Epithelial-Mesenchymal Transition and Organoid Morphogenesis by a Novel TGFβ-TCF7L2 Isoform-Specific Signaling Pathway

    Researchers found that the TCF7L2 E-isoforms maintained, whereas the M and S isoforms disrupted morphogenesis of 3D-epithelial cell-derived organoids via regulation of epithelial-mesenchymal transition.
    [Cell Death & Disease]

    Full Article

    Toxicity of Topically Applied Drugs beyond Skin Irritation: Static Skin Model vs. Two Organs-on-a-Chip

    Scientists performed topical and systemic administration of terbinafine in reconstructed human skin (RHS) vs. a RHS plus liver model cultured in TissUse’ HUMIMIC Chip2.
    [International Journal of Pharmaceutics]

    AbstractGraphical Abstract

    SKIN CANCERS & DISORDERS

    Multi-Component
    Clobetasol-Loaded Monolithic Lipid-Polymer Hybrid Nanoparticles Ameliorate Imiquimod-Induced Psoriasis-Like Skin Inflammation in Swiss albino Mice

    Clobetasol loaded lipid-polymer hybrid nanoparticles (CP/LPNs) showed an improved cellular uptake with significant growth inhibition of HaCaT cells. In ex vivo studies, these LPNs penetrated into the viable epidermis and dermis region of the psoriatic skin with undetectable quantities leaching to the reservoir.
    [Acta Biomaterialia]

    AbstractGraphical Abstract

    IL-32γ Potentiates Tumor Immunity in Melanoma

    Investigators demonstrated interleukin 32 (IL-32) expression in human melanoma positively correlated with overall survival, response to immune checkpoint blockade, and an immune inflamed tumor microenvironment enriched in mature dendritic cells, M1 macrophages and CD8+ T cells.
    [JCI Insight]

    Full ArticleGraphical Abstract

    Differential Association of CD68+ and CD163+
    Macrophages with Macrophage Enzymes, Whole Tumor Gene Expression and Overall Survival in Advanced Melanoma

    Researchers investigated the association of macrophage infiltration with prognosis and functional changes in the tumour microenvironment in primary human melanoma.
    [British Journal of Cancer]

    Abstract

    Alpha-Lipoic Acid Alters the Antitumor Effect of Bortezomib in Melanoma Cells In
    Vitro

    Downregulation of apoptotic proteins such as HO-1 and Claspin along with the inhibition of the cleavage of Caspase-3 indicated the proteomic background of the altered responsiveness of the melanoma cells exposed to bortezomib and alpha-lipoic acid.
    [Scientific Reports]

    Full Article

    Bestatin
    and Bacitracin Inhibit Porcine Kidney Cortex Dipeptidyl Peptidase IV Activity and Reduce Human Melanoma MeWo Cell Viability

    In the human melanoma MeWo cell line, bestatin and bacitracin inhibited aminopeptidase N and dipeptidyl peptidase IV activities, reduced cell viability and increased DNA fragmentation, suggesting induction of apoptosis.
    [International Journal of Biological Macromolecules]

    Abstract

    Long
    Non-Coding RNA PICSAR Knockdown Inhibits the Progression of Cutaneous Squamous Cell Carcinoma by Regulating miR-125b/YAP1 Axis

    The authors explored the precise role and mechanism of p38 inhibiting cutaneous squamous cell carcinoma associated lincRNA (PICSAR) in cutaneous squamous-cell carcinoma.
    [Life Sciences]

    Abstract

    Circ_0079593
    Facilitates Proliferation, Metastasis, Glucose Metabolism and Inhibits Apoptosis in Melanoma by Regulating the miR-516b/GRM3 Axis

    Scientists discovered that circ_0079593 was highly expressed in melanoma, and its silencing suppressed melanoma cell proliferation, migration, invasion, glucose metabolism and promoted apoptosis
    [Molecular and Cellular Biochemistry]

    Abstract


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    REVIEWS

    Roles of Cannabinoids in Melanoma: Evidence from In Vivo Studies

    The authors reveal that cannabinoids, individually or combined, reduce tumor growth and promote apoptosis and autophagy in melanoma cells.
    [International Journal of Molecular Sciences]

    Full Article

    Elucidation
    of Melanogenesis Cascade for Identifying Pathophysiology and Therapeutic Approach of Pigmentary Disorders and Melanoma

    Scientists introduces four major topics of melanogenesis cascade that include melanocyte development and differentiation, melanogenesis and intracellular trafficking for melanosome biosynthesis, melanin pigmentation and pigment-type switching, and development of a novel therapeutic approach for malignant melanoma by elucidation of melanogenesis cascade.
    [International Journal of Molecular Sciences]

    Full Article

    INDUSTRY AND POLICY NEWS

    Krystal
    Biotech Announces Initiation of Phase I Study Evaluating KB301 in Aesthetic Indications

    Krystal Biotech, Inc. announced the initiation of the PEARL-1 study, a Phase I multi-dose, controlled clinical study of KB301 for the treatment of acne scars and facial wrinkles.
    [Krystal Biotech, Inc.]

    Press Release

    OncoSec
    Announces Initiation of a Phase II Study at the Moffitt Cancer Center to Evaluate the Combination of TAVO plus OPDIVO® as Neoadjuvant Therapy for Melanoma

    OncoSec Medical Inc. announced the commencement of an investigator-initiated Phase II study led by Dr. Ahmad A. Tarhini to evaluate its lead product candidate, TAVO™ in combination with intravenous OPDIVO® in up to 33 patients with operable locally/regionally advanced melanoma.
    [OncoSec Medical Incorporated]

    Press Release

    FEATURED EVENT

    CAR-T Beyond Oncology Digital Event

    November 18, 2020
    Virtual


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    JOB OPPORTUNITIES

    Researcher – Organ on a Chip/Microfluidics and Toxicology

    International Iberian Nanotechnology Laboratory – Braga, Portugal

    Postdoctoral
    Studies – Non-Coding RNAs in Skin Inflammation

    Karolinska Institute – Stockholm, Sweden


    Postdoctoral Research Associate – Translational Cancer

    University of North Carolina at Chapel Hill – Chapel Hill, North Carolina, United States


    Postdoctoral Scholar – Biomedical Engineering in Regenerative Medicine

    Pennsylvania State University – Philadelphia, Pennsylvania, United States

    Postdoctoral Fellow – Immune and Stem Cell Engineering

    Terasaki Institute for Biomedical Innovation – Los Angeles, California, United States

    > See All Jobs

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