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Increased serum and urine levels of hydroxyproline have also been demonstrated in Paget's disease. [ 10 ] Mass spectrometry analysis showed decreased amount of hydroxyproline post-translational modifications in non inflamed tissue from ulcerative colitis patients when compared to tissue from donors without the disease.
Hyperprolinemia type II results in proline levels in the blood between 10 and 15 times higher than normal, and high levels of a related compound called pyrroline-5-carboxylate. This rare form of the disorder may appear benign at times, [ 2 ] but often involves seizures, convulsions, and intellectual disability.
The interpretation of urinalysis takes into account the results of physical, chemical and microscopic examination and the person's overall condition. Urine test results should always be interpreted using the reference range provided by the laboratory that performed the test, or using information provided by the test strip/device manufacturer. [136]
Iminoglycinuria is an autosomal recessive [4] disorder of renal tubular transport affecting reabsorption of the amino acid glycine, and the imino acids proline and hydroxyproline. [4] [5] This results in excess urinary excretion of all three acids (-uria denotes "in the urine"). [6]
In urine cytology, collected urine is examined microscopically. One limitation, however, is the inability to definitively identify low-grade cancer cells and urine cytology is used mostly to identify high-grade tumors. [4] If the test detects atypical or cancerous cells, further tests may be recommended, such as cystoscopy and a CT scan.
A urine test is any medical test performed on a urine specimen. The analysis of urine is a valuable diagnostic tool because its composition reflects the functioning of many body systems, particularly the kidneys and urinary system , and specimens are easy to obtain. [ 1 ]
Prolidase deficiency generally becomes evident during infancy, but initial symptoms can first manifest anytime from birth to young adulthood. The condition results in a very diverse set symptoms, [3] the severity of which can vary significantly between patients, depending on the degree to which prolidase activity is hampered by the individual underlying mutation(s) in each case.
Reference ranges for urine tests are described below: Measurement Lower limit Upper limit Unit Urinary specific gravity: 1.003 [1] [2] 1.030 [1] [2] g/mL Urobilinogen: