Method for determining the homeostasis of hairy skin
First Claim
1. An in vitro method for identifying genetically encoded molecules which are differentially expressed in hairy skin when compared to hairless skin, comprising:
- a) providing a first sample of human hairy skin comprising genetically encoded molecules which are transcribed and optionally translated in said hairy skin;
b) providing a second sample of human hairless skin comprising genetically encoded molecules which are transcribed and, optionally translated in said hairless skin; and
c) subjecting said first and second samples to a serial analysis of gene expression (SAGE), thereby identifying genetically encoded molecules which are differentially expressed in hairy as compared to hairless skin.
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Abstract
The invention relates to a method for determining the homeostasis of hairy skin in vitro, to test kits and biochips for determining markers of hairy skin, in addition to the use of proteins, mRNA molecules or fragments thereof as markers of hairy skin. The invention also relates to a test method for detecting the effectiveness of cosmetic or pharmaceutical active substances for treating hairy skin in addition to a screening method for identifying cosmetic or pharmaceutical active substances for treating hairy skin and to a method for producing a cosmetic or pharmaceutical preparation for treating hairy skin.
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Citations
33 Claims
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1. An in vitro method for identifying genetically encoded molecules which are differentially expressed in hairy skin when compared to hairless skin, comprising:
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a) providing a first sample of human hairy skin comprising genetically encoded molecules which are transcribed and optionally translated in said hairy skin;
b) providing a second sample of human hairless skin comprising genetically encoded molecules which are transcribed and, optionally translated in said hairless skin; and
c) subjecting said first and second samples to a serial analysis of gene expression (SAGE), thereby identifying genetically encoded molecules which are differentially expressed in hairy as compared to hairless skin. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A biochip for determining the homeostasis of hairy skin in humans in vitro, including
i. a solid, i.e. rigid or flexible support and ii. probes immobilized thereon which are capable of specific binding to at least one of the proteins, mRNA molecules or fragments thereof defined by their UniGene accession number in column 7 in a Table selected from the group of Tables 3 to 12.
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30. A test method for determining the efficacy of cosmetic or pharmaceutical active ingredients for disorders or impairments of homeostasis of hairy skin in vitro, said method comprising
a) obtaining a hairy skin sample and determining the status of said skin; -
b) contacting said skin sample with an active ingredient for disorders or impairments of homeostasis of hairy skin at least once, c) determining the skin status of hairy skin following step b) and d) comparing the skin status results from a) and c), agents which improve said skin status being efficacious for disorders or impairments of homeostasis of hairy skin. - View Dependent Claims (31, 32, 33)
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Specification