Nonhuman primate model of baldness. Premature aging of hair follicle and hormones.
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Biomedical subjects
Publications and source records attributed to H Uno.
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Rats showing an ataxic gait induced by 20 wk of treatment with 0, 30, or 60 mg/kg of difluorobenzhydrylpiperadine (DFBP), a detriazinyl metabolic of almitrine, were examined by light microscopy and transmission electron microscopy. Vacuolar degeneration associated with lamellar inclusions was observed in musculus soleus and m. interossei of the hindlimbs in DFBP-treated rats. The inclusions were also produced within sensory neurons, satellite and Schwann cells, and vascular endothelial cells of thoracic and lumbar dorsal root ganglia as well as muscle spindles of affected muscles. Membrane-bound vacuoles containing electron-dense granules were seen in the peripheral nerves. This study demonstrated neuronal and muscular toxicity of DFBP in rats.
A case of congenital hemolytic anemia caused by pyruvate kinase (PK) deficiency variant designated PK 'Nichinan' is presented. A 29-old patient with a history of anemia and hepatosplenomegaly had an episode of aplastic crisis associated with fever, abdominal symptoms and worsening hepatosplenomegaly. Study of the family members revealed that his mother and two of three siblings showed decreased PK activity whereas his father showed normal PK activity with a normal level of glycolytic intermediates. The patient was assumed to be a double heterozygote with two separate mutant genes from the parents despite the apparent normality of his father's erythrocyte PK.
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Intrarectal inoculation of rhesus monkeys with low doses of SIVmac led to a prolonged clinical and virological latency that was not observed for high intrarectal doses or for intravenous inoculation. Animals infected intrarectally with low virus doses remained negative for serum antibody responses to SIV for at least one year even though they readily transferred SIV to naive recipients via transfusion of whole blood.