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Biomedical subjects

T Miyajima

Publications and source records attributed to T Miyajima.

At least 73 records · Page 4Linked to original sources
PubMed1984

Strong association of idiopathic membranous nephropathy with HLA-DR2 and MT1 in Japanese.

HLA-A, B, DR, and MT antigens were examined in 50 patients with idiopathic membranous nephropathy (IMN) by the standard microlymphocytotoxicity technique. The frequency of HLA-DR2 was significantly increased in the patients in comparison to the controls. Significant decreases in the frequencies were seen for HLA-DR4, DRw8 and DRw9 in the patients. The linkage disequilibrium between HLA-Bw52 and DR2 was noted in the controls, but it was significantly weaker in the patients. The frequency of MT1 was significantly higher, and that of MT3 was significantly lower in the patients as compared with the controls. The findings suggest that an immunological disturbance under the influence of genetic factors may confer a susceptibility to IMN.

Adult↗
PubMed1982

Ocular manifestations of Kawasaki's disease (mucocutaneous lymph node syndrome).

In a prospective study of the ocular manifestations of Kawasaki's disease (mucocutaneous lymph node syndrome) in 18 children (11 boys and seven girls, ranging in age from 5 months to 9 years), we found bilateral injection of the bulbar conjunctiva in 16, bilateral iridocyclitis in 14, superficial punctate keratitis in four, vitreous opacities in two, papilledema in two, and subconjunctival hemorrhage in one. Conjunctival injection and iridocyclitis were always bilateral, and fellow eyes always had the same degree of inflammation. There were significant correlations between ocular inflammation and erythrocyte sedimentation rate (P less than .0001) and C-reactive protein level (P less than .0009). No serious ocular complications occurred.

Blood Sedimentation↗
PubMed1982

Strong association between IgA nephropathy and HLA-DR4 antigen.

Although the etiology and pathogenesis of IgA nephropathy is not fully understood, it has been classified as an immune-complex induced glomerulonephritis caused by an immunological mechanism. Forty-two patients with primary IgA nephropathy underwent tissue typing for HLA-A, B, and DR antigens by the standard method using a microlymphocytotoxicity test. There was no significant correlation between HLA-A and B antigens and this disease. However, the frequency of HLA-DR4 was 57.1% in the patients with normal renal function, 85.7% in those with decreased renal function, 100% in dialysis patients, and 39.2% in the control group. It is statistically significant in the patients with renal dysfunction (corrected P less than 0.05). Our results suggest that the HLA system may play an important role in the occurrence and exacerbation of IgA nephropathy in the Japanese population.

Adolescent↗
PubMed1981

HLA-DR antigens in pemphigus among Japanese.

The frequency of HLA-DR4 was significantly increased at P less than 0.02 in 37 unrelated pemphigus patients (62.2%), when compared with unrelated 73 healthy controls (30.1%). This antigen was more frequently found in pemphigus foliaceus (70.6%) than pemphigus vulgaris (55.8%).

Gene Frequency↗
PubMed1976

Behçet disease and the HLA system.

Seventy-three unrelated patients with Behçet disease together with 33 members of seven families with at least two patients per family were tissue typed for 26 antigens of the HLA system. The patients with the complete type of Behçet disease were found to have HLA-B5 more significantly than healthy individuals. Family studies suggest that the genes closely linked to HLA locus influence the degree of severity of Behçet disease.

Behcet Syndrome↗