found: Work cat.: Melvin, P.D. Sperm production and vitellogenesis as biomarkers of endocrine disruption in the male western mosquitofish, Gambusia affinis, 2007:abstr. (We examined two potential biomarkers of endocrine disruption by estrogenic compounds: variation in sperm counts and the induction of the normally female-limited protein vitellogenin (VTG) in males)
found: MeSH Online, Feb. 14, 2008(Vitellogenins -- Phospholipoglycoproteins produced in the fat body of egg-laying animals such as non-mammalian vertebrates, arthropods, and others. Vitellogenins are secreted into the hemolymph and taken into the oocytes by receptor-mediated endocytosis to form the major yolk proteins, vitellins)
found: Quarterly review of biology, Mar. 2004:p. 77 (Vitellogenins are the principal precursors to the yolk proteins (the vitellins) of egg-laying animals and are defined as a class of macromolecular proteins that generally only occur in females)
found: Journal of insect science, Jan. 12, 2007:p. 3 (Vitellogenins are precursors of the yolk proteins, which are phosphoglycolipoproteins utilized in oviparous animals to provide nutrition for the developing embryo)
found: Wikipedia, Feb. 14, 2008(Vitellogenin ... is a synonymous term for the gene and the expressed protein. The molecule is classified as a glyco-lipo-protein, having properties of a sugar, fat and protein. Vitellogenin is an egg yolk precursor protein expressed in female fish, dormant in male fish and female insects. In the presence of estrogenic endocrine disruptive chemicals (EDCs), males can express the Vg gene in a dose dependent manner)