hydroxyproline


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hydroxyproline

 [hi-drok″sĭ-pro´lēn]
an amino acid produced in the digestion of hydrolytic decomposition of proteins, especially of collagens.

hydroxyproline

Biochemistry A hydroxylated amino acid which is most concentrated in collagen ↑ in urine Indicates ↑ turnover of bone matrix, often caused by osteoporosis ↓ in Malnutrition, ↑ by acromegaly, acute osteomyelitis, burns, congenital hyperphosphatasia, fibrous dysplasia, healing fractures, hyperparathyroidism, hyperthyroidism, Marfan syndrome, osteomalacia, Paget's disease of bone, parathyroid adenoma, rickets, bone tumors
References in periodicals archive ?
The damaged mucosal area in the right nasal wall was shaved with a scalpel over the bone and placed in Eppendorf tubes and stored at -80[degrees]C until hydroxyproline level analysis.
Results demonstrated that eight weeks of PrimaVie shilajit supplementation at 500 mg promoted the retention of muscular strength following the fatiguing protocol and decreased baseline hydroxyproline, which is a marker for collagen degradation.
(17) reported that the anastomotic bursting pressures gradually increased from the third day on and reached to maximum levels on day 10 while the hydroxyproline levels at the anastomotic area decreased by 40% within the first three days, approached to normal levels by approximately at the fifth day and raised above normal by days 10-14.
Keywords: Hydroxyproline, Tobacco smoke, Urine, HPLC, Ultraviolet detection, Electrochemical detection.
The hydroxyproline level was found to be 0.38[+ or -]0.23 [micro]g/mg in Group 1, 0.48[+ or -]0.31 [micro]g/mg in Group 2, and 0.40[+ or -]0.06 [micro]g/mg in Group 3.
The collagen content in right lungs was measured with the conventional hydroxyproline method.[22] The right lungs were dried at 120[degrees]C overnight and then acid-hydrolyzed in sealed, oxygen-purged glass ampules containing 3 ml HCl at 120[degrees]C for 16 h.
All groups were compared in terms of Pt[O.sup.2] levels before, right after, and 30 days after gastrectomy; burst pressure of the gastrectomy line; and hydroxyproline level at the EGJ.
Levels of serum calcium alkaline phosphatase and urinary hydroxyproline in post menopausal women.
To date, three types of post-translational modifications have been found in peptide hormones in plants: tyrosine sulfation, proline hydroxylation, and hydroxyproline arabinosylation (reviewed in 55)).
It is composed of amino acids glycine, proline, hydroxyproline and arginine.
Caption: FIGURE 1: Hematoxylin & eosin (H&E), sirius red staining and hydroxyproline assay of rats liver tissue.
Hydroxyproline (HYP) and Total Antioxidant Capacity (T-AOC) Detection.

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