Adenosine Deaminase (ADA, adenosine aminohydrolase) is one of the key enzymes of purine nucleotide catabolism. It catalyses the hydrolytic deamination of adenosine and deoxy‑adenosine to inosine and deoxyinosine . ADA is expressed in virtually all tissues and is expressed at high levels in T-lymphocytes. Adenosine Deaminase deficiency can cause a form of SCID (severe combined immunodeficiency) and lymphopenia in both B- and T-cell lineages . ADA can be used as a sensitive diagnostic marker for tuberculous pleuritis . Although it is primarily a cytosolic enzyme, ADA is known to be a positive regulator of T-cell co‑activation due to its binding to CD26 at the cell surface. The interaction of ADA with CD26 regulates lymphocyte-epithelial cell adhesion
Adenosine diphosphate (ADP) is a nucleoside that plays a key role in energy transfer reactions. In organisms, ADP is usually the product of Adenosine triphosphate (ATP) which hydrolysis after the loss of a phosphate group, that is breaking a high-energy phosphate bond and releasing energy. ADP exists in high-density particles in platelet cells and is released when platelets undergo coagulation reaction. ADP affects the shape and biological behavior of platelets through ADP receptors on platelets, and further accelerates the process of platelet coagulation. The detection principle of this kit is that ADP and the substrate are catalyzed by enzyme reagents to make the chromogenic agent produce fluorescence. The fluorescence microplate reader was used to detect the excitation wavelength of 535 nm and the emission wavelength of 587nm, and the ADP content in the sample was calculated according to the standard curve.
Adenosine diphosphate glucose pyrophosphorylase (AGP) catalyzes the substrate to produce an intermediate product, which produce chromogenic substances after enzyme catalysis. The substance has a maximum absorption peak at around 450 nm, and the AGP activity can be calculated by the OD value at 450 nm
A synthesized peptide derived from human ADFP, corresponding to a region within the internal amino acids.
A synthetic peptide from human ADFP
This gene encodes a protein that belongs to the adhesion family of G-protein-coupled receptors. Members of this family function in several sensory systems and regulate blood pressure, immune responses, food intake and development. A similar protein in rodents is thought to play a role in in the regulation of neuronal signaling pathways. Several alternatively spliced transcript variants of this gene have been described, but the full-length nature of some of these variants has not been determined.
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