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Cystatin C is a non-glycosylated, basic protein (isoelectric point at pH 9.3). The crystal structure of cystatin C is characterized by a short alpha helix and a long alpha helix which lies across a large antiparallel, five-stranded beta sheet. Like other type 2 cystatins, it has two disulfide bonds.
Cystatin C - Cystatin C is produced in kidney cells and is used as a biomarker. The level of cystatin C is used to determine whether the kidney is functioning well or not since it is removed from the kidney through glomerular filtration. Therefore, a high amount of cystatin C in the blood is a determinant of kidney injury. [21]
Cystatin C, a novel marker of kidney function; Jaffe reaction, an example of a method of assaying creatinine; Rhabdomyolysis, which may be diagnosed using serum creatinine concentrations; Nephrotic syndrome
The cystatin locus on chromosome 20 contains the majority of the type 2 cystatin genes and pseudogenes. This gene is located in the cystatin locus and encodes a secreted thiol protease inhibitor found at high levels in saliva, tears and seminal plasma.
One of these is cystatin C, a ubiquitous protein secreted by most cells in the body (it is an inhibitor of cysteine protease). [14] Cystatin C is freely filtered at the glomerulus. After filtration, Cystatin C is reabsorbed and catabolized by the tubular epithelial cells, with only small amounts excreted in the urine.
Hereditary cystatin C amyloid angiopathy (HCCAA) is a rare, fatal type of hereditary cerebral amyloid angiopathy found almost exclusively in Iceland. A mutation in the protein cystatin C leads to amyloid (protein aggregate) dispositions in arteries in the brain, resulting in repeated brain hemorrhages .
Fruits high in vitamin C get a lot of attention during cold and flu season, and for good reason. Vitamin C plays a role in keeping the immune system strong, which helps people get better when they ...
These are cystatin-like proteins found in a range of organisms: plant phytocystatins, fetuin in mammals, insect cystatins, and a puff adder venom cystatin, which inhibits metalloproteases of the MEROPS peptidase family M12 (astacin/adamalysin). Also, a number of the cystatin-like proteins have been shown to be devoid of inhibitory activity.