Molecular weight (DA)
16kD
Immunogen
The antiserum was produced against synthesized peptide derived from the C-terminal region of human APLN. AA range:28-77
Specificity
Apelin Polyclonal Antibody detects endogenous levels of Apelin protein.
Formulation
Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.
Dilution rate
Western Blot: 1/500 - 1/2000. IHC-p: 1:100-300 ELISA: 1/20000. IF 1:100-300 Not yet tested in other applications.
Purification process (Immunogen)
The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
Background
This gene encodes a peptide that functions as an endogenous ligand for the G-protein coupled apelin receptor. The encoded preproprotein is proteolytically processed into biologically active C-terminal peptide fragments. These peptide fragments activate different tissue specific signaling pathways that regulate diverse biological functions including fluid homeostasis, cardiovascular function and insulin secretion. This protein also functions as a coreceptor for the human immunodeficiency virus 1. [provided by RefSeq, Feb 2016],
Function
function:Endogenous ligand for APJ, an alternative coreceptor with CD4 for HIV-1 infection. Inhibits HIV-1 entry in cells coexpressing CD4 and APJ. Apelin-36 has a greater inhibitory activity on HIV infection than other synthetic apelin derivatives. The oral intake in the colostrum and the milk could have a role in the modulation of the immune responses in neonates. May also have a role in the central control of body fluid homeostasis by influencing AVP release and drinking behavior.,PTM:Several active peptides may be produced by proteolytic processing of the peptide precursor.,similarity:Belongs to the apelin family.,tissue specificity:Expressed in the brain with highest levels in the frontal cortex, thalamus, hypothalamus and midbrain. Secreted by the mammary gland into the colostrum and the milk.,
Other name
APLN; APEL; Apelin; APJ endogenous ligand
Fields
>>Neuroactive ligand-receptor interaction;>>Apelin signaling pathway
Human protein sequence Database
Q9ULZ1
Mouse protein sequence database
Q9R0R4
Rat protein sequence database
Q9R0R3
Cellular localization
Secreted . Secreted, extracellular space . Abundantly secreted in the colostrum. Lower level in milk. Decreases rapidly within several days after parturition in milk, but is still detectable even in commercial milk. .
Tissue expression
Expressed in the brain with highest levels in the frontal cortex, thalamus, hypothalamus and midbrain (PubMed:10617103). Secreted by the mammary gland into the colostrum and the milk.
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