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Development and validation of a simple method for the extraction of human skin melanocytes

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机构: [1]University of Bourgogne Franche-Comte´, INSERM, EFS BFC, UMR1098, Interactions Hoˆte-Greffon-Tumeur/ Inge´nierie Cellulaire et Ge´nique, Besanc¸on, France [2]Bioexigence S.A.R.L, Besanc¸on, France [3]Greentech SA, Biopoˆle Clermont Limagne, Saint Beauzire, France [4]Department of Dermatology, First Affiliated Hospital of Kunming Medical University, Kunming, China [5]Clinical Investigation Center, Inserm CICB 1431, University Hospital, Besanc¸on, France
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关键词: Skin Melanocytes Pigmentation Cell culture Extraction

摘要:
Primary melanocytes in culture are useful models for studying epidermal pigmentation and efficacy of melanogenic compounds, or developing advanced therapy medicinal products. Cell extraction is an inevitable and critical step in the establishment of cell cultures. Many enzymatic methods for extracting and growing cells derived from human skin, such as melanocytes, are described in literature. They are usually based on two enzymatic steps, Trypsin in combination with Dispase, in order to separate dermis from epidermis and subsequently to provide a suspension of epidermal cells. The objective of this work was to develop and validate an extraction method of human skin melanocytes being simple, effective and applicable to smaller skin samples, and avoiding animal reagents. TrypLE (TM) product was tested on very limited size of human skin, equivalent of multiple 3-mm punch biopsies, and was compared to Trypsin/Dispase enzymes. Functionality of extracted cells was evaluated by analysis of viability, morphology and melanin production. In comparison with Trypsin/Dispase incubation method, the main advantages of TrypLE (TM) incubation method were the easier of separation between dermis and epidermis and the higher population of melanocytes after extraction. Both protocols preserved morphological and biological characteristics of melanocytes. The minimum size of skin sample that allowed the extraction of functional cells was 6 x 3-mm punch biopsies (e.g., 42 mm(2)) whatever the method used. In conclusion, this new procedure based on TrypLE (TM) incubation would be suitable for establishment of optimal primary melanocytes cultures for clinical applications and research.

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出版当年[2019]版:
大类 | 4 区 生物
小类 | 4 区 生物工程与应用微生物 4 区 细胞生物学
最新[2023]版:
大类 | 4 区 生物学
小类 | 4 区 生物工程与应用微生物 4 区 细胞生物学
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出版当年[2018]版:
Q3 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Q4 CELL BIOLOGY
最新[2023]版:
Q3 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Q4 CELL BIOLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2018版] 出版当年五年平均 出版前一年[2017版] 出版后一年[2019版]

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第一作者机构: [1]University of Bourgogne Franche-Comte´, INSERM, EFS BFC, UMR1098, Interactions Hoˆte-Greffon-Tumeur/ Inge´nierie Cellulaire et Ge´nique, Besanc¸on, France
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