Calcitonin Gene-Related Peptide, alpha (CGRPa) (KLH)

Catalog No : USB-C0115-01B2
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Product name Calcitonin Gene-Related Peptide, alpha (CGRPa) (KLH)
Catalog No USB-C0115-01B2
Supplier’s Catalog No C0115-01B2
Supplier US Biologicals
Source antigen
Reactivity
Cross reactivity
Applications
Molecular weight
Storage -20°C
Other names
Grade Purified
Purity Purified
Form Supplied as a lyophilized powder.
Reactivity life 12 months
Note For reserch purpose only
Purity Purified
Description Synthetic rat alpha calcitonin gene related peptide conjugated to KLH. Sequence (linear): N-KDNFVPT NVGSEAF-CONH2 conjugated to KLH. Corresponding antibody C0115-01B recognizes rat CGRPalpha. Calcitonin leads to a lowering of plasma calcium and phosphate levels via the inhibition of bone resorption and excretion through the kidneys. Calcitonin is found in C cells of the normal and hyperplastic thyroid. The calcitonin family of bioactive peptides comprises of calcitonin, amylin, two calcitonin-gene related peptides (CGRP1, and CGRP2) and adrenomedullin (ADM). Calcitonin is 32aa peptide found in the parafollicular "C" cells of the thyroid in mammals. It is also found in a number of non-mammals. It regulated the mineral (calcium and phosphate) balance. Calcitonin causes hypercalcemia by acting as an inhibitor of osteoclast induced bone resorption. CGRP is a 37-aa peptide produced by tissue specific processing of the calcitonin gene. Calcitonin is the major product in the thyroid, whereas CGRP is the major product in neural tissues. CGRP is a potent cardiovascular agent. It has structural similarity with amylin. CGRP is found in two isoforms (CGRP-I and CGRP-II) that differs only by 3 amino acids. Amylin is a 37-aa peptide produced in the pancreatic beta-cell secretory granules and is co-released with insulin. Amylin also has CGRP-like effects on bone metabolism. Amylin has specific binding sites in the CNS and it may regulate gastric emptying and influence carbohydrate metabolism. Adrenomedullin (ADM) is a 52-aa hypotensive peptide. It has structural similarity with CGRP and amylin. ADM is produced in peripheral tissues, adrenal medulla, lung, and kidney. ADM has specific receptors on astrocytes and it is unregulated in ischaemia. The calcitonin family peptides probably act through G-protein coupled membrane receptors. Recently, a homolog of calcitonin receptor, CRLR (calcitonin-receptor-like receptor human 461 aa; rat/mouse 463 aa) was identified. It is now shown that CRLR can function as either a CGRP receptor or an ADM receptor, depending upon which members of a new family of proteins called receptor activity modifying proteins (RAMP1-3) are expressed. Applications: Suitable for use in ELISA, Western Blotting. Other applications not tested. Recommended Dilution: Western Blotting: 1:1000-1:2000 Optimal dilutions to be determined by the researcher. Storage and Stability: Lyophilized powder may be stored at 4°C for short-term only. Stable for 12 months at -20°C. Reconstitute to nominal volume (see reconstitution instructions for peptides) and store at -20°C. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Further dilutions can be made in assay buffer. .