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The article provides information about the research papers that will be presented at the spring meeting of The Society for Investigative Dermatology Inc. that will be held on April 27-28, 1973 in Atlantic City, New Jersey. Cathepsin D (CD), one of the major lysosomal proteinases, has been identified in rabbit skin. Extracts of skin were capable of degrading hemoglobin, at pH 3.2, to peptides that are soluble in trichioracetic acid. This activity was blocked by the CD inhibitor pepstatin and was eluted from a Sephadex G-100 column at a position identical to that of ultimately pure rabbit liver CD. A line of complete identity between crude skin extracts and ultimately pure CD was found in immunodiffusion studies using sheep anti-rabbit CD.

The article presents announcements related to dermatology. There will be two meetings of the Society for Investigative Dermatology Inc., in 1974. The first meeting will be on May 4, 1974 at the Chalfonte-Haddon Hall Hotel, Atlantic City, New Jersey. There will be a series of workshops on the preceding evening, and the dermatology sections of the American Federation for Clinical Research and the American Society for Clinical Investigation will be held on the day following our meeting. The American Academy of Dermatology Residents' Forum session is open and awards will be given to the resident who shall be adjudged to give the most outstanding paper in this Forum.