Announcement VOL. 100, NO.2 FEBRUARY 1993 18. PH O'Farrell: High resolution two-dimensional electrophoresis of proteins. J Cell BioI 250:4007 - 4021,1975 19. Towbin H, Staehelin T, Gordon J: Electrophoretic transfer of proteins from polyacrylamide gels to nitrocellulose sheets: procedure and some application. Proc Nat! Acad Sci USA 756 :4350-4354,1979 20. Schiller D, Franke WW, Geiger B: A subfamily of relatively large and basic cytokeratin polypeptides as defined by peptides mapping is represented by one or several polypeptides in epithelial cells. EMBO J 1:761-769, 1982 21. Quinlan R, Dorthea LS, Hatzefeld M, Achtstatter T, Moll R, Jorcano JL, Margin TM, Franke WW: Patterns of expression and organiza- tion of cytokeratin intermediate filaments. Ann New York Acd Sci 455:282 - 306,1985 22. Baden HP, Kubilus J: Fibrous proteins of bovine hoof. J Invest Derma- tol 81:220-224,1983 CELLULAR PROPERTIES OF NAIL 175 23 . Baden HP, Kubilus J: A comparative study of immunologic properties of hoof and nail fibrous proteins. J Invest Dermatol 83:327 -33 1, 1983 24. Heid HW, Moll I, Franke WW: Patterns of expression of trichocytic and epithelial cytokeratins in mammalian tissues. 2. Concomitant and mutually exclusive synthesis of trichocytic and epithelial cyto- keratins in diverse human and bovine tissues. Differentiation 37:215-230,1988 25. Moll I, Heid HW, Franke WW, Moll R: Patterns of expression of trichocytic and epithelial cytokeratins in mammalian tissues. 3. Hair a.~d nail formation during human fetal development. Differentia- tIOn 39:167 - 184,1988 26. Dhouailly D, Xu C, Manabe M, Schermer A, Sun T-T: Expression of hair-related keratins in a soft epithelium. Exp Cell Res 181 :14 1 - 158, 1989 ANNOUNCEMENT The Korean Derm Meeting will be held May 7 - 10, 1993 in Seoul, Korea. The Post-Congress Meeting will be held May 11-12, 1993 in Hong Kong and May 13-14, 1993 in Macao. This symposium is sponsored by the Departments of Dermatology, Yonsei University Col- lege of Medicine, Seoul, Korea and the Jefferson Center for International Dermatology, Thomas Jefferson University, Jefferson Medical College, Philadelphia, PA. For further infor- mation, please contact Eileen O'Shaughnessy, Meeting Coordinator, JCID, Jefferson Medical College, 233 S. 10th Street, Room 450, Philadelphia PA. Tel. (215) 955-5785; FAX (215) 955-5788.