vitamin a deficiency/ödem

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Some observations on beef cattle affected with generalized edema or anasarca due to vitamin A deficiency.

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The occurence and chemistry of anasarca due to vitamin A deficiency in fattening beef cattle.

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Possible association of vitamin A deficiency with displacement of the abomasum in dairy heifers.

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Clinical manifestations of anasarca, left displacement of the abomasum, abortion, and incoordination appeared in a group of heifers fed a vitamin A-deficient diet. Older heifers and heifers late in pregnancy were more affected. All clinical signs of disease disappeared within 14 days after vitamin A

Herpetic keratouveitis mixed with bilateral Pseudomonas corneal ulcers in vitamin A deficiency.

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A 56-year-old woman complained of blurred vision and pain in her right eye for several days. Slit lamp examination revealed a large epithelial defect and disciform stromal edema with ring infiltration in her right cornea. Unfortunately, hypopyon and purulent discharge subsequently developed in both

Vitamin A-responsive panocular xerophthalmia in a healthy adult.

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An unusual case of classical xerophthalmia occurred in an otherwise healthy, well-nourished, 25-year-old woman. She had marked conjunctival and corneal xerosis, including early stromal edema, evolving pigmentary alterations of the retinal pigment epithelium, and notable constriction of her visual

Incidence of otitis media in vitamin A-deficient guinea pigs.

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After observing an association between vitamin A deficiency and otitis media among children in Micronesia, we sought to develop an animal model for vitamin A-deficiency-induced otitis media. Thirty juvenile guinea pigs were screened for absence for otitis and then divided into two groups. The

Concentration of vitamin A in the liver of foetuses and infants dying of various causes in Brasilia, Brazil.

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The vitamin A concentration in liver samples taken at autopsy from the central portion of the right lobe of 57 infants 0-1 year old was determined by a dual spectrophotometric and colorimetric assay. Death was due to respiratory disease (30%), complications of premature birth (16%), infections

Advanced xerophthalmia as a presenting sign in cystic fibrosis.

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Xerophthalmia is a common complication of vitamin A deficiency in communities where malnutrition is found. We report on a 16-month-old infant with severe photophobia and failure to thrive. On examination, her major presenting sign was corneal xerosis, with corneal and conjunctival keratinization,

Acute retinal vein occlusion and cystic fibrosis.

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UNASSIGNED The ocular manifestations of cystic fibrosis typically present with surface irritation or nyctalopia due to Vitamin A deficiency, however, there have been two previous reports of patients with cystic fibrosis that developed retinal vein occlusions. These reports hypothesized that either

The effect of thermal burns on the release of collagenase from corneas of vitamin A--deficient and controls rats.

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A mild trauma in the form of a thermal burn was applied to corneas of vitamin A--deficient rats and their pair-fed controls. The control corneas routinely showed rapid re-epithelialization without stromal changes. The corneas of deficient rats recovered more slowly, frequently exhibiting stromal

Possible pathomechanisms of sudden infant death syndrome: key role of chronic hypoxia, infection/inflammation states, cytokine irregularities, and metabolic trauma in genetically predisposed infants.

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Chronic hypoxia, viral infections/bacterial toxins, inflammation states, biochemical disorders, and genetic abnormalities are the most likely trigger of sudden infant death syndrome (SIDS). Autopsy studies have shown increased pulmonary density of macrophages and markedly more eosinophils in the

The Retinol Binding Protein Receptor 2 (Rbpr2) is required for Photoreceptor Outer Segment Morphogenesis and Visual Function in Zebrafish.

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Vitamin A (all-trans retinol) plays critical roles in mammalian development and vision. Since vitamin A is food-derived, tissue-specific uptake and storage mechanism are needed. In the eye, uptake of RBP4-retinol is mediated by the receptor Stra6, whereas the receptor mediating RBP4 binding and

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