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YOSHIYUKI KIMURA KUMI YOKOI NOBUTOSHI MATSUSHITA HIROMICHI OKUDA 《The Journal of pharmacy and pharmacology》1997,49(8):816-822
The effects of different flavonoids isolated from the roots of Scutellaria baicalensis Georgi on the production of tissue-type plasminogen activator (t-PA) and plasminogen activator inhibitor-1 (PAI-1) induced by thrombin and thrombin receptor agonist peptide, Ser-Phe-Leu-Leu-Arg-Asn-Pro-Asn-Asp-Lys-Tyr-Glu-Pro-Phe, have been examined in cultured human umbilical vein endothelial cells (HUVECs). Thrombin and thrombin receptor agonist peptide induced production of both t-PA and PAI-1 and the elevation of intracellular free calcium concentration ([Ca2+]i). Baicalein isolated from Scutellariae Radix dose-dependently inhibited PAI-1 production induced by thrombin and thrombin receptor agonist peptide; its concentrations for 50% inhibition (IC50) were 6.8 and 3.5 μm , respectively. Other flavonoids had no effect. In contrast, flavonoids isolated from Scutellariae Radix had no effect on production of t-PA induced by thrombin and thrombin receptor agonist peptide. Baicalein inhibited the elevation of [Ca2+]; induced by thrombin and thrombin receptor agonist peptide and, at a concentration of 1000 μm , slightly increased t-PA production. These findings suggest that the mechanism by which baicalein inhibits PAI-1 production induced by thrombin and thrombin receptor agonist peptide might be by reduction of [Ca2+]i elevation. The results suggest that baicalein in Scutellariae Radix might be active as a drug in the treatment of arteriosclerosis and thrombosis. 相似文献
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TAIKO HIROSE TAEKO TERAMOTO SAKAE SAITOH IZUMI TAKAHASHI MAYUMI HIRAMATSU MOTOKO OKAMITSU MAMI SONOBE KUMI MIKUNI TAKAHIDE OMORI SONOKO SHIRAKAWA 《Pediatrics international》2007,49(6):950-958
Background: Mother–infant interactions have been acknowledged as one of the most important elements in measuring outcomes of parent support and infant mental health interventions. The present study was conducted to measure early intervention outcomes using the Nursing Child Assessment Teaching Scale (NCATS), and to identify factors that affected Japanese mother–infant interactions. Methods: Healthy Japanese mother–infant dyads who had lower scores on the NCATS, indicating potential problems, were assigned to an intervention group, and compared with a control group who had higher scores on NCATS. Health‐care professionals visited the intervention group dyads in their homes, and gave them positive feedback on their interactions, consultations on parenting, and health advice. The control group dyads had home visitation once every 6 months for assessment only. Results: The home visitations started at 3 months of age and continued until 18 months. NCATS scores in both groups were significantly different at baseline but differences faded by the end, which suggests that the intervention promoted improved interactions in the intervention group. Two of five factors were identified as influencing mother–infant interactions: maternal age; and personal networks, and together they significantly explained 27–30% of NCATS variance. Conclusion: The results appear to support the validity of measuring Japanese mother–infant interactions with NCATS. This study is the first to measure the outcomes of early intervention on Japanese dyads’ interactions using NCATS. Additional replication studies should be conducted elsewhere in Japan, and clinical practices for promoting mother–infant interactions should begin to assess their effectiveness with NCATS as an outcome measure. 相似文献
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SHINJI SAKATA M.D. YASUTAKA KURATA M.D. Ph.D. PEILI LI M.D. Ph.D. TOMOMI NOTSU M.B. KUMI MORIKAWA Ph.D. JUNICHIRO MIAKE M.D. Ph.D. KATSUMI HIGAKI Ph.D. YASUTAKA YAMAMOTO M.D. Ph.D. AKIO YOSHIDA M.D. Ph.D. YASUAKI SHIRAYOSHI Ph.D. KAZUHIRO YAMAMOTO M.D. Ph.D. MINORU HORIE M.D. Ph.D. HARUAKI NINOMIYA M.D. Ph.D. SUSUMU KANZAKI M.D. Ph.D. ICHIRO HISATOME M.D. Ph.D. 《Pacing and clinical electrophysiology : PACE》2014,37(7):853-863
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