definiens: means, to the extent that they were developed using funds from the Foundation or a Foundation - Supported Entitypursuant to a Global Health Program or they relate exclusively to an Additional Product and the Company has agreed in writing that they will be includedas Research Tools, any ( i ) primers and/or probes for the detection and quantiﬁcation of Target Diseases and Conditions ( ii ) cell lines engineered toexpress antigens relevant to Target Diseases and Conditions, or which are transfected or infected with vectors for antigens relevant to Target Diseasesand Conditions ( iii ) HLA - antigen protein complexes relevant to Target Diseases and Conditions ( iv ) TCRs ( other than those using the same scaﬀold as aDevelopment Product ) speciﬁc for antigens for particular Target Diseases and Conditions and ( v ) any other nucleic acid and/or amino acid sequencesthat are developed for use as research tools