Aplha, transcription related growth factors and stimulating factors or repressing nuclear factors are complex subunits of proteins involved in cell differentiation. Complex subunit associated factors are involved in hybridoma growth, Eosinohils, eritroid proliferation and derived from promotor binding stimulating subunits on the DNA binding complex. NFKB 105 subunit for example is a polypetide gene enhancer of genes in B cells.Guinea pig ELISA kits for plasma and sera samples are used to study human genes through the guinea pig model (Cavia porcellus), also called the cavy rodent model. After mouzes and rats Guinea pigs are easy in maintained laboratory animals. cDNAs of Guinea pigs are also very popular.