Skin Tape Harvesting for Transcriptomics Analysis

For psoriasis group, tape-stripping will be done in both involved and uninvolved skin. The tape-stripping will be performed within 2.5 cm of the first punch biopsy. For healthy control group, tape-stripping will be performed on normal skin, within 2.5. cm of the first punch biopsy.

For psoriasis group, one punch biopsy will be taken from each of the following areas: involved skin, tape-stripped involved skin, uninvolved skin, and tape-stripped uninvolved skin. For healthy control group, one punch biopsy will be taken from each of the following areas: normal skin and tape-stripped normal skin (within 2.5 cm of the first punch biopsy).