Immunogen sequence: YDFTNCDFEK IKAAYLSTIS KDLITYMSGT KSTEFNNTVS CSNRPHCLTE IQSLTFNPTA GCASLAKEMF AMKTKAALAI WCPGYSETQI NATQAMKKRR KRKVTTNKCL EQVSQLQGLW RRFNRPLLKQ Q; Positive Samples: U-87MG, Rat brain. TSLP is a 159 amino acid four helix-bundle hemopoie