Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UNIPROT:P02794 (ferritin)
 17,525 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A 58-year-old woman developed slowly progressive hearing loss, anosmia, and unsteady gait. She had neither repeated episode of headache nor a past history of neurosurgical operation or head injury. Neurological examination revealed anosmia, moderate degree of sensorineural hearing loss. She showed loss of caloric response bilaterally. No nystagmus was found. Romberg sign was present. No cerebellar ataxia was noted in the finger-to-nose or the heel-to-knee test. No adiadochokinesis was noted. Deep tendon reflexes were increased in both upper and lower extremities. Sensation was intact. She showed disturbance of the righting reflex in the tilt-table examination. CSF were under normal pressure, xanthochromic with siderophages. CSF total protein and ferritin level were elevated. T2-weighted image (TE4000/TR100) of high field strength magnetic resonance imaging (MRI) showed marginal hypointensity of the brain stem, the Sylvian fissures, the tips of temporal lobes, anterior cerebellar surfaces and the entire spinal cord. Angiography of the cerebral vessels and spinal arteries failed to identify the source of bleeding. It seemed likely that she had lost bilateral vestibular and auditory functions caused by hemosidelin deposition to her eighth nerves which are often affected by this disorder. Her disturbance of gait and station was apparently similar to cerebellar ataxic gait, however, she did not have limb ataxia. The electronystagmogram revealed marked degree of vestibular dysfunction (VOR) and relative sparing of cerebellar function (OKN). Her disturbance of the righting reflex in the tilt-table examination and the characteristic feature of her Romberg sign with directional preponderance also indicate that the bilateral loss of vestibular functions, i.e., vestibular ataxia caused her dysequilibrium syndrome. It is our impression that vestibular ataxia might precede cerebellar ataxia commonly reported so far.
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PMID:[A case of superficial siderosis of the central nervous system with bilateral vestibular dysfunction]. 936 92

We report a 49-year-old female with hereditary ceruloplasmin deficiency with hemosiderosis. There was a family history of the same symptoms; her brother showed hypoceruloplasminemia and decrease of the serum copper content. On physical examinations, dementia, dysarthria, downbeat nystagmus, sensorineural hearing disturbance, orthostatic hypotension, retinitis pigmentosa, diffuse goiter, and cerebellar ataxia were noted. Laboratory examinations disclosed leukopenia, diabetes mellitus, hypothyroidism, decrease of copper content in the serum and urine. Serum ferritin concentration was remarkably increased. Serum ceruloplasmin could not be detected. Biopsy of the liver showed that iron content in the liver was increased. On MRI study, dentate nucleus of the cerebellum, basal ganglia, and the liver showed low intensity in both T1 and T2 weighted images. A nonsense mutation in the ceruloplasmin gene was found in this patient. Systemic iron deposition and tissue damage were considered as caused by deficiency of function of ceruloplasmin as ferroxidase. To our knowledge, the characteristic combination of the clinical signs in this patient has not been reported.
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PMID:[A case of hereditary ceruloplasmin deficiency with hemosiderosis]. 1039 Oct 79

Deoxyguanosine kinase (dGK) deficiency, a rare severe cause of mitochondrial DNA (mtDNA) depletion, has two forms of presentation: hepatocerebral syndrome and isolated hepatic disease. The authors report three cases with neonatal liver failure due to dGK deficiency. Consanguinity was present in all patients. One patient had a brother who died with a probable diagnosis of neonatal haemochromatosis. All patients had progressive cholestatic liver failure, hypoglycaemia, hyperlactacidaemia, elevated ferritin levels and nystagmus, since first day of life. Liver tissue study revealed: cholestasis, iron deposits, microvesicular steatosis and fibrosis/cirrhosis. Only one patient was submitted to liver transplantation. The other two died, at 2 and 5 months of age. mtDNA quantification and DGUOK gene study should be considered in infants/neonates with acute liver failure and systematically performed in patients with hepatocerebral presentation. Differential diagnosis with neonatal haemochromatosis is needed. Liver transplantation might be a therapeutic option. Early diagnosis is important for genetic counselling.
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PMID:Neonatal liver failure due to deoxyguanosine kinase deficiency. 2260 37