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I Honda

Publications and source records attributed to I Honda.

87 records · Page 5Linked to original sources

Specific pressor activity and stability of synthetic angiotensins.

Specific pressor activity of Asp1-Val5-antiotensins I and II was determined by a 4-point assay in rats against various synthetic angiotensins. Specific pressor activity of various angiotensins was also obtained from the dose-blood pressure-response (DR) curve, using a single angiotensin sample per rat. Comparison of two values showed that two angiotensins interacted in the 4-point assay, yielding a potentiation factor of 0.465-1.373. Therefore, specific pressor activity from DR curve is more reliable, because two angiotensins are not able to interact. Potency ratio on a molar basis of Asp1-IIe5-angiotensin I, Asp1-Val5-angiotensins I and II, Asn1-Val5-angiotensin II (Ciba Lot-094691), and Asp1-Val5-Ser9-angiotensin I against Asp1-IIe5-angiotensin II were 0.76, 0.91, 2.02, 0.50, and 1.39, respectively. Asp1-Val5-angiotensin II had twice the pressor activity of Asp1-IIe5-angiotensin II. Lyophylized Asp1-IIe5-angiotensins I and II kept desiccated at --20 degrees C, were stable for 27 months. Solutions of 100, 10, and 0.8 microng/ml were stable for 12, 8, and 6 months at--20 degrees C, respectively.

Angiotensin II↗

Evaluation of the use of 5-mycoloyl-beta-arabinofuranosyl-(1-->2)-5-mycoloyl- alpha-arabinofuranosyl-(1-->1')-glycerol in serodiagnosis of Mycobacterium avium-intracellulare complex infection.

5-Mycoloyl-beta-arabinofuranosyl-(1-->2)-5-mycoloyl-alpha-ar abinofuranosyl-(1-->1')-glycerol, an antigenic glycolipid from the Mycobacterium avium-intracellulare complex (MAC) was examined for its applicability to the serodiagnosis of MAC infection by ELISA. Serum IgM antibody titres against this glycolipid in healthy controls, pulmonary tuberculosis patients and sputum-MAC-culture-negative MAC patients were generally below the cut-off point (ELISA-negative), whereas most of the MAC-culture-positive MAC patient sera were ELISA-positive (93.5%) and their titres were often very high. Thus, high serum IgM titres against this glycolipid may be said to imply that the MAC disease is in an active phase.

Adult↗

Distribution of antibody titres against phenolic glycolipids from Mycobacterium tuberculosis in the sera from tuberculosis patients and healthy controls.

Sera from tuberculosis (TB) patients and healthy controls were tested by ELISA for their antibody titres against the two major phenolic glycolipids (PGLs) of Mycobacterium tuberculosis, PGL-tbO (a 1:3 mixture of PGL-tb1 and its analogue whose phthiocerol moiety is phenolphthiotriol A) and PGL-tbK. Both PGL-tbs were shown to be specific to M. tuberculosis, and the profiles of serum anti-PGL-tbK titres revealed that PGL-tbK, like PGL-tb1, was fairly widely distributed among strains of M. tuberculosis. Even when these two PGL-tbs were used, however, the rate of ELISA-positives was not very high among TB patients, which is probably explained by the nature of the disease. Moreover, a considerable number of sera from healthy controls, especially from younger age groups, had high anti-PGL-tb titres, which implies that environmental exposure to M. tuberculosis is much higher than has been estimated from the actual TB cases. The ELISA system using these species-specific PGL-tb antigens may be useful for the survey of TB infection, since it gives more direct information on TB infection than the PPD skin test.

Antibodies, Bacterial↗

Operative morbidity and mortality after D2 and D4 extended dissection for advanced gastric cancer: a prospective randomized trial conducted by Asian surgeons.

BACKGROUND/AIMS: A randomized study was performed to evaluate morbidity and mortality after D2 (level 1 and 2 lymphadenectomy) and D4 (D2 plus lymphadenectomy of para-aortic lymph nodes) dissection for advanced gastric cancer. METHODOLOGY: Two hundred and fifty-six patients with advanced gastric adenocarcinoma were enrolled (128 to each group). Patients were randomly allocated into D2 (N = 128) or D4 (N = 128) group. The first and second tiers of lymph nodes are removed in D2 dissection. In D4 gastrectomy, the paraaortic lymph nodes were additionally removed. RESULTS: There was no indication of significant distribution bias with regard to age, sex, T-grade, and N-grade between the two groups. Operation time of D4 gastrectomy (369 +/- 120 min) was significantly longer than that of D2 gastrectomy (273 +/- 1103 min), and blood loss of the D4 group (872 +/- 683 mL) was significantly greater than that of the D2 group 571 +/- 527 mL (P < 0.001). Five (4%) and two (2%) medical complications developed in the D2 and D4 groups, respectively. Surgical complications developed in 28 (22%) and 48 patients (38%) after D2 and D4 gastrectomy. The most common complications were anastomotic leakage, pancreatic fistula, and abdominal abscess. Pancreatic fistula developed in 6 (19%) of 32 patients after D4 plus pancreatosplenectomy, but the incidence of pancreatic fistula after D2 gastrectomy plus pancreatosplenectomy was low (6%, 1/16). Two patients died within 30 days of operation (0.8%, 2/256), and each patient belonged to the D2 and D4 group. CONCLUSIONS: Although there is a significantly higher surgical complication rate in D4 dissection, D4 dissection can be done safely as D2 dissection when performed by well-trained surgeons.

Abdominal Abscess↗