Seiryo Sugiura

Multiphysics simulation of left ventricular filling dynamics uding fluid-structure interaction finite element method (2008)

Hiroshi Watanabe, Seiryo Sugiura, Hidenobu Kafuku, Toshiaki Hisada

ABSTRACT To relate the subcellular molecular events to organ level physiology in heart, we have developed a threedimensional finite-element-based simulation program incorporating the cellular...

Membrane potential of rat ventricular myocytes responds to axial stretch in phase, amplitude and speed-dependent manners (2006)

Nishimura, Satoshi, Kawai, Yasuo, Nakajima, Toshiaki, Hosoya, Yumiko, Fujita, Hideo, Katoh, Masayoshi, ...

Objective: To elucidate the interdependence between the mechanical state of the myocardium and its electrical activity, previous studies have been performed at the cellular level. However, the...

Myosin light chain isoforms modify force-generating ability of cardiac myosin by changing the kinetics of actin-myosin interaction (2003)

Yamashita, Hiroshi, Sugiura, Seiryo, Fujita, Hideo, Yasuda, So-ichiro, Nagai, Ryozo, Saeki, Yasutake, ...

Objective: To investigate the functional role of myosin light chain (MLC) isoforms in cardiac muscles, we examined the motor function of two different myosins the structure of which differed only in...

Actin--myosin interaction (1999)

Sugiura, Seiryo

Recent advances in the study of muscle physiology was made possible by the application of novel experimental techniques including in vitro motility assay, molecular biology, and X-ray...

Analysis of cardiac assistance by latissimus dorsi cardiomyoplasty with a time varying elastance model (1993)

Sugiura, Seiryo, Harada, Kazumasa, Yokoyama, Ikuo, Momomura, Shin-ichi, Naruse, Yosihiro, Maku-uchi, Haruo, ...

Objective: The clinical use of skeletal muscle cardiomyoplasty is limited because of its inadequate haemodynamic benefits. To facilitate experimental and clinical efforts to improve the efficacy of...

Multiphysics Simulation of Left Ventricular Filling Dynamics Using Fluid-Structure Interaction Finite Element Method

Watanabe, Hiroshi, Sugiura, Seiryo, Kafuku, Hidenobu, Hisada, Toshiaki

To relate the subcellular molecular events to organ level physiology in heart, we have developed a three-dimensional finite-element-based simulation program incorporating the cellular mechanisms of...

Multiphysics Simulation of Left Ventricular Filling Dynamics Using Fluid-Structure Interaction Finite Element Method

Watanabe, Hiroshi, Sugiura, Seiryo, Kafuku, Hidenobu, Hisada, Toshiaki

To relate the subcellular molecular events to organ level physiology in heart, we have developed a three-dimensional finite-element-based simulation program incorporating the cellular mechanisms of...

In vivo imaging in mice reveals local cell dynamics and inflammation in obese adipose tissue

Nishimura, Satoshi, Manabe, Ichiro, Nagasaki, Mika, Seo, Kinya, Yamashita, Hiroshi, Hosoya, Yumiko, ...

To assess physiological and pathophysiological events that involve dynamic interplay between multiple cell types, real-time, in vivo analysis is necessary. We developed a technique based on confocal...

Direct demonstration of the cross-bridge recovery stroke in muscle thick filaments in aqueous solution by using the hydration chamber

Sugi, Haruo, Minoda, Hiroki, Inayoshi, Yuhri, Yumoto, Fumiaki, Miyakawa, Takuya, Miyauchi, Yumiko, ...

Despite >50 years of research work since the discovery of sliding filament mechanism in muscle contraction, structural details of the coupling of cyclic cross-bridge movement to ATP hydrolysis are...