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Biomedical subjects

T Miyajima

Publications and source records attributed to T Miyajima.

83 records · Page 5Linked to original sources
PubMed1975

HL-A system in the Japanese population 1.

The antigen W22 was found to be subdivided into three components in the Japanese population. Population and family studies indicate that at least two of these components are new antigens. By using both known and new antigens, gene and haplotype frequencies in the Japanese population are shown.

Chromosome Mapping↗
PubMedDate not supplied

A case of early infantile epileptic encephalopathy (EIEE) with anatomical cerebral asymmetry and myoclonus.

The authors report a case of early encephalopathy with myoclonus, tonic spasms and a suppression-burst pattern on electroencephalography (EEG) associated with unilateral cerebral hypertrophy following hemiatrophy. This patient showed frequent myoclonus in relation to a suppression-burst pattern resembling that in early myoclonic encephalopathy (EME). Moreover, the case also showed tonic spasms, from the age of 13 days, in series, as seen in Ohtahara syndrome. On the other hand, there was a previously undescribed peculiar CT scan finding, which showed hypertrophy of the right cerebral hemisphere at birth, following hemiatrophy. Neuropathological examination revealed cerebral atrophy associated with heterotopia and an ependymal hyperplasia in the right hemisphere, suggesting hemimegalencephaly. This case should be classified as Ohtahara syndrome accompanied by myoclonus, because of the spasms in series interrupting the suppression-burst pattern, and the etiological factor of brain malformation. The nosological aspects of this epileptic encephalopathy are discussed.

Atrophy↗
PubMedDate not supplied

A case of intractable epilepsy positive for the detection of measles virus genome in the cerebrospinal fluid and peripheral mononuclear cells using reverse transcriptase-polymerase chain reaction.

We report a rare case of intractable frontal lobe epilepsy with mental deterioration, in which the measles virus gene was detected from the cerebrospinal fluid (CSF) and peripheral mononuclear cells (PBMC) obtained 9 years after the first epileptic episode using reverse transcriptase-polymerase chain reaction (RT-PCR). The patient had been immunized with an attenuated measles vaccine and had no history of clinically apparent acute measles infection. However the analysis of the sequence of the PCR product from CSF showed the circulating wild strain genotype at the time when the patient complained of his first epileptic episode.

Adolescent↗
PubMedDate not supplied

Prevalence of antibody against non-A, non-B hepatitis virus in Japanese patients with hepatocellular carcinoma.

Antibodies against a possible causative agent of non-A, non-B hepatitis, hepatitis C virus (HCV), in Japanese patients with hepatocellular carcinoma were analyzed using the enzyme-linked immunosorbent assay (ELISA) system from Ortho Diagnostic Systems, Japan. Fifty of 58 cases of hepatitis B virus surface antigen (HBsAg)-negative hepatocellular carcinoma were positive for the antibody (86%) and 8 of 42 cases of HBsAg-positive hepatocellular carcinoma were positive (19%). Among patients with HBsAg-negative hepatocellular carcinoma, the prevalence of the antibody was greater among those who had received a blood transfusion (97%) than among those with no history of transfusion (70%). Only 3 of 54 patients with cancers other than hepatocellular carcinoma were found to be antibody-positive (5.6%) and all three patients had a history of blood transfusion. These results show a close relationship between the presence of anti-HCV antibody and HBsAg-negative hepatocellular carcinoma in Japan.

Carcinoma, Hepatocellular↗