| Alkaptonuria is an uncommon inherited hereditary | | | | Alkaptonuria is inherited, which means it is passed |
| disorder of tyrosine metabolism. Alkaptonuria is | | | | down from parents to their children. Coronary |
| more popular in sure areas of slovakia and in the | | | | artery disease may be accelerated in alkaptonuria. |
| dominican republic. Mutations in the homogentisate | | | | Males tend to have an earlier onset of arthritic |
| oxidase gene reason alkaptonuria. The | | | | symptoms with a greater degree of severity |
| homogentisate oxidase gene provides instructions | | | | than females, although the reason for this |
| for making an enzyme called homogentisate | | | | difference is unclear. Vision is not usually affected, |
| oxidase. This enzyme helps fracture downward | | | | but pigmentation in the white part of the eye is |
| the amino acids phenylalanine and tyrosine, which | | | | evident in most patients by their early forties. The |
| are significant construction blocks of proteins. | | | | teeth, central nervous system (brain and spinal |
| Because alkaptonuria is autosomal recessive, a | | | | cord), and endocrine organs also may be affected. |
| household bloodline, in all likelihood, reveals no new | | | | Like most genetic diseases, alkaptonuria itself |
| affected individuals. However, because many | | | | cannot be prevented, but some of the |
| individuals are asymptomatic, the reduced | | | | manifestations, such as arthritis, can be minimized |
| frequency of stricken household members may | | | | by treatment. The condition does not cause |
| be payable to a deficiency of ascertainment. | | | | developmental delay or cognitive impairment and |
| Although unproved, the deposition of polymer is | | | | lifespan of affected individuals is generally not |
| assumed to too induce an incendiary reaction that | | | | reduced.Some of the symptoms of Alkaptonuria |
| results in calcium deposition in affected joints. | | | | may be controlled with treatment. |
| This condition is inherited in an autosomal | | | | The diagnosis of alkaptonuria needs to be |
| recessive pattern, which means both copies of | | | | suspected before diagnostic examination can be |
| the gene in each cell have mutations. Alkaptonuria | | | | performed, using newspaper chromatography and |
| itself is asymptomatic, but the sclera of the eyes | | | | slim bed chromatography. Both blood plasma and |
| may be pigmented and the skin is darkened in | | | | urine can be used for diagnosis. No handling mode |
| sun-exposed areas as well as around sweat | | | | has been unambiguously demonstrated to cut the |
| glands; sweat may be coloured brown. Urine may | | | | complications of alkaptonuria. Commonly |
| turn brown on standing, especially when left for a | | | | recommended treatments include dietary restraint |
| period of time. The main symptoms of | | | | of phenylalanine and tyrosine and big doses of |
| alkaptonuria are due to the accumulation of | | | | ascorbic acid. Dietary restraint may be efficient in |
| homogentisic acid in tissues. In the joints this leads | | | | children, but benefits in adults have not been |
| to cartilage damage, specifically in the spine and | | | | demonstrated. Some patients gain from high-dose |
| leading to low back pain at a young age in most | | | | vitamin C. This has been shown to fall the |
| cases, but also of the hip and shoulder. Valvular | | | | construct upward of brown pigment in the |
| heart disease, mainly calcification and regurgitation | | | | cartilage and may decelerate the growth of |
| of the aortic and mitral valves, may occur, and in | | | | arthritis. Hip, shoulder, or knee multilateral |
| severe and progressive cases valve replacement | | | | successor may be needed. |
| may be necessary. | | | | |