Dermal Cell News Volume 6.41 | Nov 23 2020

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    2020-11-23 | DCN 6.41


    Dermal Cell News by STEMCELL Technologies
    Vol. 6.41 – 23 November, 2020
    TOP STORY

    MFSD12 Mediates the Import of Cysteine Into Melanosomes and Lysosomes

    Scientists described MelanoIP, a method for rapidly isolating melanosomes and profiling their labile metabolite contents. They used this method to study MFSD12, a transmembrane protein of unknown molecular function that, when suppressed, caused darker pigmentation in mice and humans.
    [Nature]

    AbstractPress Release

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

    Skin Sensitization to Fragrance Hydroperoxides: Interplay between Dendritic Cells, Keratinocytes and Free Radicals

    Researchers evaluated individual dendritic cell activation profiles in the context of keratinocytes by R‐OOHs with regard to frequency, specificity, and magnitude of upregulation.
    [British Journal of Dermatology]

    Abstract

    Effects of Tenascin C on the Integrity of Extracellular Matrix and Skin Aging

    Scientists found that the Tenascin C (TNC) mRNA level was significantly reduced in the skin tissues of aged mice compared with young mice, consistent with reduced TNC protein expression in aged human skin.
    [International Journal of Molecular Sciences]

    Full Article

    Boesenbergia rotunda Extract Accelerates Human Keratinocyte Proliferation through Activating ERK1/2 and PI3K/Akt Kinases

    As a step towards the development of wound healing agents, investigators utilized a human keratinocyte cell line as an in vitro model to define the potential molecular mechanisms of B. rotunda extract in enhancing wound healing.
    [Biomedicine & Pharmacotherapy]

    Full Article

    SKIN CANCERS & DISORDERS

    The Lipogenic Regulator SREBF2 Induces Transferrin in Circulating Melanoma Cells and Suppresses Ferroptosis

    The authors showed that single circulating tumor cells from melanoma patients coordinately upregulated lipogenesis and iron homeostasis pathways.
    [Cancer Discovery]

    Abstract

    ST3GAL1 Is a Target of the SOX2-GLI1 Transcriptional Complex and Promotes Melanoma Metastasis through AXL

    Investigators report a mechanism regulated by the oncogenic SOX2-GLI1 transcriptional complex driving melanoma invasion through the induction of the sialyltransferase ST3GAL1. Using in vitro and in vivo studies, they demonstrated that ST3GAL1 drove melanoma metastasis.
    [Nature Communications]

    Full Article

    Anti-Melanogenesis Effects of Lotus Seedpod In Vitro and In Vivo

    Researchers examined the effect of Lotus seedpod extract (LSE) on melanogenesis and the involved signaling pathways in vitro and in vivo. They showed that non-cytotoxic doses of LSE and its main component epigallocatechin reduced both tyrosinase activity and melanin production in the α-melanocyte stimulating hormone-induced melanoma cells.
    [Nutrients]

    Full ArticleGraphical Abstract

    Acetylsalicylic Acid and Salicylic Acid Present Anticancer Properties against Melanoma by Promoting Nitric Oxide-Dependent Endoplasmic Reticulum Stress and Apoptosis

    Scientists showed that acetylsalicylic acid and salicylic acid present anticancer effects against a murine model of implanted melanoma. These effects were also validated in 3D- and 2D-cultured melanoma B16F10 cells, where the drugs promoted pro-apoptotic effects.
    [Scientific Reports]

    Full Article

    Role of 11β-Hydroxysteroid Dehydrogenase Type 1 in the Development of Atopic Dermatitis

    Scientists assessed whether 11β-hydroxysteroid dehydrogenase 1 (11β-HSD1) affected the development of atopic dermatitis (AD) in vitro and in vivo. The expression of 11β-HSD1 in the epidermis of AD lesions was higher than that in the epidermis of healthy controls.
    [Scientific Reports]

    Full Article

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    REVIEWS

    The Unfolded Protein and Integrated Stress Response in Melanoma and Vitiligo

    Investigators review the potential roles of the unfolded protein response/integrated stress response in the etiology of melanoma and vitiligo.
    [Pigment Cell & Melanoma Research]

    AbstractFull Article

    Mitochondrial Oxidative Phosphorylation in Cutaneous Melanoma

    With the significant role of oxidative phosphorylation (OXPHOS) in metabolic plasticity and symbiosis, the authors outline how mitochondrial transfer from mesenchymal stromal cells to melanoma tumor cells plays a key role in melanoma progression and is the mechanism by which melanoma cells regain OXPHOS capacity even in the presence of mitochondrial mutations.
    [British Journal of Cancer]

    Abstract

    INDUSTRY AND POLICY NEWS

    Arcutis Announces Positive Topline Data from Phase IIb Study of ARQ-154 (Topical Roflumilast Foam) as a Potential Treatment for Scalp and Body Psoriasis

    Arcutis Biotherapeutics, Inc. announced positive topline data from its Phase IIb clinical trial evaluating ARQ-154 as a potential treatment for scalp psoriasis. Roflumilast foam demonstrated statistically significant improvement on the trial’s primary and multiple secondary endpoints.
    [Arcutis Biotherapeutics, Inc.]

    Press Release

    PharmaTher Expands Patent Portfolio with Filing of US Patent for Novel Use of Psilocybin to Treat Cancer

    PharmaTher, Inc. filed a provisional patent application with the US Patent and Trademark Office outlining the potential novel use of psilocybin to treat cancer, which was discovered by panaceAI, their proprietary psychedelic drug repurposing artificial intelligence platform.
    [PharmaTher, Inc. (GlobeNewswire, Inc.)]

    Press Release

    FEATURED EVENT

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    Cell Symposia: 20 Years of the Human Genome: From Sequence to Substance

    April 11 – April 13, 2021
    San Diego, California, United States

    JOB OPPORTUNITIES

    Postdoctoral Fellow – Melanoma Research

    Universitätsklinikum Carl Gustav Carus Dresden – Dresden, Germany

    Postdoctoral Fellow – Melanoma

    NYU Langone Medical Center – New York, New York, United States

    Research Scientists – Inflammatory Skin Diseases

    University of Dundee – Dundee, Scotland, United Kingdom

    Research Professional – Life Sciences

    Stanford University – Stanford, California, United States

    Postdoctoral Fellow – Skin Organoids

    Columbia University Medical Center – New York, New York, United States

    > See All Jobs

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