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Biotech / Medical : XOMA. Bull or Bear? -- Ignore unavailable to you. Want to Upgrade?

To: Robert K. who wrote (16720)	3/11/2004 1:25:02 PM
From: Robert K.	Read Replies (1) \| Respond to of 17367

Not if, only when. Regarding xmp629 and the much bigger picture. >Exp Dermatol. 2004 Jan;13(1):55-60. Links Presence of bactericidal/permeability-increasing protein in human and rat skin. Takahashi M, Horiuchi Y, Tezuka T. Department of Dermatology, Kinki University School of Medicine, Osaka-Sayama, Japan. Takahashi M, Horiuchi Y, Tezuka T. Presence of bactericidal/permeability-increasing protein in human and rat skin.Abstract: To examine the presence of bactericidal/permeability-increasing protein (BPI) in skin, which is an antibacterial protein, has cytotoxicity toward Gram-negative bacteria, and may have an important role against bacterial infection in the skin, immunohistochemical and biochemical analyses were performed. Anti-BPI/KLH Ab reacted with the cytoplasm of the inner root sheath cells of both human and rat hair follicles by immunohistochemical examination. A protein band in 10-M alkaline urea extracts of human scalp skin or 7-day-old rat skin reacted with an antibody against BPI conjugated with KLH (anti-BPI/KLH Ab). Purified skin BPI (sBPI) from rat was a single protein spot and reacted with both anti-BPI/KLH Ab and a commercially available monoclonal antibody against BPI (anti-BPI MoAb). Moreover, sBPI possessed inhibitory activity against LPS. Bactericidal/permeability-increasing protein mRNA was expressed not only in leukocytes but also in human scalp skin and cultured keratinocytes. These findings suggest that sBPI could exist in the inner root sheath cells of human and rat hair follicles, and might play a role as a barrier against anaerobic bacteria in the isthmus of hair follicles.