TABLE 1.

Summary of the associations/common features of AGP and other members of the Lipocalin protein family discussed in this mini-review. Note many other examples might exit.

Other Lipocalins	Topic discussed	Section
Several	Immunocalin group	AGP, Definition, and Molecular Characteristics
ApoD and ApoM	Progesterone binding	Endogenous Ligands
ApoM	PAF, barrier permeability	Endogenous Ligands
Lipocalin 1 and 2	Siderophore binding	In vivo Approaches, Transgenesis, and Knockouts
ApoD	Leptin Receptor	In vivo Approaches, Transgenesis, and Knockouts
RBP4 and several others	Retinol Binding	In vivo Approaches, Transgenesis, and Knockouts
ApoD and Lcn2	Lipocalins and Astrocyte responses	In vivo Approaches, Transgenesis, and Knockouts