Shin-ichi Hiromatsu

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Endogenous catecholamine concentrations in the rat iris-ciliary body (ICB) were determined using the technique of microwave irradiation, whereby enzymes are inactivated within milliseconds, and high performance liquid chromatography. Rats were sacrificed by microwave irradiation at 9.5 kW at 2450 MHz for 0.9 seconds. The eyes were enucleated, the ICBs(More)
Abdominal aortic aneurysm (AAA) is characterized by the destruction of tissue architecture due to chronic inflammation of unknown etiology. Recent studies have indicated that control of inflammation is a promising therapeutic strategy; however, no established pharmacological intervention is currently available for AAA. We found that hepatocyte growth factor(More)
In an attempt to estimate the in vivo catecholamine level in rat iris-ciliary body, animals were sacrificed by microwave irradiation which rapidly inactivates metabolic enzymes. Catecholamine levels in the iris-ciliary body were determined by high-performance liquid chromatography with electrochemical detection. The norepinephrine level in rat iris-ciliary(More)
In acquired arteriovenous fistula (AVF), there is usually a history of penetrating injury and hemorrhage. We report a very rare case of an elderly man with acquired AVF of the right upper extremity without any history of penetrating trauma and hemorrhage, but with a history of repeated blunt trauma on his right forearm. Although no surgery was performed for(More)
The technique of microwave irradiation, whereby enzymes are inactivated within milliseconds, was employed to accurately determine the in vivo acetylcholine (ACh) concentration in the iris-ciliary body (ICB). Rats were sacrificed by microwave irradiation at 9.5 kW at 2,450 MHz for 0.9 seconds. The eyes were enucleated, the ICBs isolated and 10 ICBs from 10(More)
In an attempt to estimate the in vivo acetylcholine level in rat iris-ciliary body, animals were sacrificed by microwave irradiation which rapidly inactivates metabolic enzymes. Acetylcholine levels in the iris-ciliary body were determined by high-performance liquid chromatography with electrochemical detection. The acetylcholine level in rat iris-ciliary(More)
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