black/tyrosine

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[Black knee-ochronotic alterations in alkaptonuria].

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This article presents the case of a 53-year-old male patient born in Sri Lanka, who presented to the outpatient unit with the suspicion of empyema of the knee joint. Within the framework of knee arthroscopy, the diagnosis of ochronosis was made and later confirmed by histopathological biopsy. The

Black-Colored Ligamentum Flavum Due to Alkaptonuria.

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Alkaptonuria is a rare metabolic disease caused by deficiency of homogentisic acid oxidase and characterized by bluish-black discoloration of cartilages and skin (ochronosis). Defective production of this enzyme results in the accumulation of homogentisic acid (HGA), a tyrosine degradation product,

Black Aortic Valve Stenosis Reveals a Rare Disorder of Tyrosine Metabolism.

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Tyrosine aminotransferase in AKR/J albino and C57BL/6J black mouse skin.

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L-Tyrosine aminotransferase is present in a high speed supernatant fraction of skin homogenate of AKR/J albino and C57BL/6J black mice. The conversion of tyrosine to p-hydroxyphenylpyruvate was shown to be catalyzed by an aminotransferase by the following observations: the reaction was partially

A comparative study on tyrosine metabolism in livers of albino & black mice.

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Black grain mycetoma: the ultrastructure of Madurella mycetomi.

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Madurella mycetomi, the fungus pathogen of black grain mycetoma, shows an elaborate development of mesosomes as its most striking ultrastructural feature. These occur in addition to mitochondria and endoplasmic reticulum. Condensations of hyphal cytoplasm and recurring intrahyphal growth of new

Identification of genes related to white and black plumage formation by RNA-Seq from white and black feather bulbs in ducks.

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To elucidate the genes involved in the formation of white and black plumage in ducks, RNA from white and black feather bulbs of an F(2) population were analyzed using RNA-Seq. A total of 2,642 expressed sequence tags showed significant differential expression between white and black feather bulbs.

Exogenous neurotensin modulates sperm function in Japanese Black cattle.

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Recently, the conception rates after artificial insemination have been pointed out to decline continuously. To overcome this problem, the control of frozen and thawed sperm quality is required. However, the mechanism of bovine sperm functional regulation is still largely unknown. In mammals, the

A comparative study on tyrosine metabolism in the livers of albino and black rats.

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Red hair in black cats is reversed by addition of tyrosine to the diet.

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The black thyroid. Its relation to minocycline use in man.

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We studied a patient with a grossly black thyroid gland considered to be related to minocycline therapy. Microscopically, a brown granular pigment was localized in follicular cells and colloid, which histochemically was melanin or a melaninlike substance. Ultrastructurally, the pigment is confined

Black hip: a rare case treated by total hip replacement.

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OBJECTIVE Ochronic arthropathy of hip (Black Hip) is a rare clinical manifestation of congenital disorder of amino acid metabolism characterized by a classic triad: (1) degenerative arthritis, (2) ochronotic pigmentation, and (3) urine that turns black on long standing or alkalinization. We report a

Changes in tyrosine levels of black & white skins of guinea pigs treated with psoralen & hormones.

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Soluble fms-like tyrosine kinase-1 in HIV infected pre-eclamptic South African Black women.

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BACKGROUND Hypertensive disorders of pregnancy are the commonest direct cause of maternal deaths in South Africa, 83% being attributed to pre-eclampsia. Elevated placental sFlt-1 levels are linked with angiogenic disruption and subsequent pre-eclampsia development. The impact of HIV infection on

Increased dietary intake of tyrosine upregulates melanin deposition in the hair of adult black-coated dogs.

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The principle determinant of melanin derived hair colour and patterning in mammals is genetic, but environmental factors are now thought to play a role. It has been shown that the concentration of melanins in cat hair is influenced by the amino acid composition of their diets. Also, puppies were

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