The invention provides isolated nucleic acids molecules, designated 26199, 33530, 33949, 47148, 50226, 58764, 62113, 32144, 32235, 23565, 13305, 14911, 86216, 25206 and 8843 nucleic acid molecules. The invention also provides antisense nucleic acid molecules, recombinant expression vectors containing 26199, 33530, 33949, 47148, 50226, 58764, 62113, 32144, 32235, 23565, 13305, 14911, 86216, 25206 and 8843 nucleic acid molecules, host cells into which the expression vectors have been introduced, and nonhuman transgenic animals in which a 26199, 33530, 33949, 47148, 50226, 58764, 62113, 32144, 32235, 23565, 13305, 14911, 86216, 25206 or 8843 gene has been introduced or disrupted. The invention still further provides isolated 26199, 33530, 33949, 47148, 50226, 58764, 62113, 32144, 32235, 23565, 13305, 14911, 86216, 25206 or 8843 proteins, fusion proteins, antigenic peptides and anti-26199, 33530, 33949, 47148, 50226, 58764, 62113, 32144, 32235, 23565, 13305, 14911, 86216, 25206 or 8843 antibodies. Diagnostic and therapeutic methods utilizing compositions of the invention are also provided.