Cystatins are a superfamily of cysteine proteinase inhibitors found in both plants and animals. They comprise a group of proteinase inhibitors, widely distributed in tissues and body fluids, and form tight complexes with cysteine proteases such as cathepsin B, H, L and S. Cystatin C, a secreted molecule of this family, is of interest from biochemical, medical and evolutionary points of view. Cystatin C, with molecular weight of 13,260D, is composed of 146 amino acids, lacks carbohydrate and has two disulfide bridges located near the carboxyl terminus.
Cystatin C is increased in patients with malignant diseases and is related to the insufficiency of renal function and appears to be a better marker than creatinine. On the other hand, low levels of cystatin C involve cause the breakdown of the elastic laminae and, subsequently, the atherosclerosis and abdominal aortic aneurysm.
Applications:
Suitable for use in ELISA. Other applications have not been tested.
Recommended Dilutions:
Optimal dilutions to be determined by the researcher.
Hybridoma:
Hybridization of Sp2/0 myeloma I cells with spleen cells from Balb/c mice.
Recommended pair:
Capture Detection
C8950-03 C8950-09
C8950-03 C8950-01B
Storage and Stability:
May be stored at 4 degrees C for short-term only. For long-term storage and to avoid repeated freezing and thawing, add sterile glycerol (40-50%), aliquot and store at -20 degrees C. Aliquots are stable for at least 12 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
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