title: Tape Stripping Technique for Stratum Corneum Protein Analysis.
abstract: The aim of this study was to investigate the amount of protein in stratum corneum in atopic dermatitis (AD) patients and healthy controls, using tape stripping technique. Furthermore, to compare two different methods for protein assessment. Tape stripping was performed in AD patients and healthy controls to collect stratum corneum samples and subsequently analysed with two different methods: Squame Scan, which gives an estimate of total protein (soluble and insoluble) and Micro BCA protein determination kit which measures soluble protein. Significant differences in cumulative protein content between AD lesional, AD non-lesional and healthy control skin was found using the Squame Scan as well as the Micro BCA protein determination kit. AD patients had significantly lower amount of protein, both total protein and soluble protein compared to healthy controls. Furthermore, soluble protein formed 82% of total protein in AD lesional skin, compared to 17-24% for AD non-lesional skin and healthy control. A decreasing amount of total protein with increasing stratum corneum depth was found for all skin types. Significant differences in stratum corneum protein content between AD lesional, AD non-lesional and healthy control skin were revealed, independent of method used.
authors.affiliation: Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark.
authors.forename: Maja-Lisa
authors.initials: ML
authors.lastname: Clausen
authors.affiliation: Department of Microbiology and Infection Control, Statens Serum Institut, Copenhagen, Denmark.
authors.forename: H-C
authors.initials: HC
authors.lastname: Slotved
authors.affiliation: Department of Microbiology and Infection Control, Statens Serum Institut, Copenhagen, Denmark.
authors.forename: Karen A
authors.initials: KA
authors.lastname: Krogfelt
authors.affiliation: Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark.
authors.forename: Tove
authors.initials: T
authors.lastname: Agner
mesh_terms: D016022:Case-Control Studies; D003876:Dermatitis, Atopic / Q000378:metabolism* / Q000473:pathology; D004817:Epidermis / Q000378:metabolism* / Q000473:pathology; D005260:Female; D006801:Humans; D008297:Male; D020543:Proteome; D040901:Proteomics / Q000379:methods*
chemical_list: D020543:Proteome
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