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Shigeru Chaen

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Haruo Sugi; Takahiro Abe; Shigeru Chaen; Takakazu Kobayashi; Yoshiki Ohnuki; Yasutake Saeki; Seiryo Sugiura
Enhancement of force generated by individual Myosin heads in skinned rabbit psoas muscle fibers at low ionic strength.
Hiroyuki Okubo; Masanori Iwai; Sosuke Iwai; Shigeru Chaen
Thermal activation energy for bidirectional movement of actin along bipolar tracks of myosin filaments.
Haruo Sugi; Hiroki Minoda; Yuhri Inayoshi; Fumiaki Yumoto; Takuya Miyakawa; Yumiko Miyauchi; Masaru Tanokura; Tsuyoshi Akimoto; Takakazu Kobayashi; Shigeru Chaen; Seiryo Sugiura
Direct demonstration of the cross-bridge recovery stroke in muscle thick filaments in aqueous solution by using the hydration chamber.

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All Publications

2013: Haruo Sugi; Takahiro Abe; Shigeru Chaen; Takakazu Kobayashi; Yoshiki Ohnuki; Yasutake Saeki; Seiryo Sugiura
Enhancement of force generated by individual Myosin heads in skinned rabbit psoas muscle fibers at low ionic strength.
PloS one 2013;8(5):e63658.
2010: Hiroyuki Okubo; Masanori Iwai; Sosuke Iwai; Shigeru Chaen
Thermal activation energy for bidirectional movement of actin along bipolar tracks of myosin filaments.
Biochemical and biophysical research communications 2010;396(2):539-42.
2008: Haruo Sugi; Hiroki Minoda; Yuhri Inayoshi; Fumiaki Yumoto; Takuya Miyakawa; Yumiko Miyauchi; Masaru Tanokura; Tsuyoshi Akimoto; Takakazu Kobayashi; Shigeru Chaen; Seiryo Sugiura
Direct demonstration of the cross-bridge recovery stroke in muscle thick filaments in aqueous solution by using the hydration chamber.
Proceedings of the National Academy of Sciences of the United States of America 2008;105(45):17396-401.
2007: Sosuke Iwai; Shigeru Chaen
Mutation in the SH1 helix reduces the activation energy of the ATP-induced conformational transition of myosin.
Biochemical and biophysical research communications 2007;357(1):325-9.
2006: Sosuke Iwai; Daisuke Hanamoto; Shigeru Chaen
A point mutation in the SH1 helix alters elasticity and thermal stability of myosin II.
The Journal of biological chemistry 2006;281(41):30736-44.
2005: Haruo Sugi; Shigeru Chaen; Ibuki Shirakawa
Mysteries about amplitude and efficiency of cross-bridge powerstroke.
Advances in experimental medicine and biology 2005;565():93-111; discussion 111-2, 371-7.
2004: Takakazu Kobayashi; Yasutake Saeki; Shigeru Chaen; Ibuki Shirakawa; Haruo Sugi
Effect of deuterium oxide on contraction characteristics and ATPase activity in glycerinated single rabbit skeletal muscle fibers.
Biochimica et biophysica acta 2004;1659(1):46-51.
2004: Takakazu Kobayashi; Tateo Daimon; Ibuki Shirakawa; Shigeru Chaen; Haruo Sugi
Electrical and mechanical properties and mode of innervation in scorpionfish sound-producing muscle fibres.
The Journal of experimental biology 2004;207(Pt 21):3757-63.
2003: Haruo Sugi; Shigeru Chaen
Force-velocity relationships in actin-myosin interactions causing cytoplasmic streaming in algal cells.
The Journal of experimental biology 2003;206(Pt 12):1971-6.
2003: Shigeru Chaen; Naoto Yamamoto; Ibuki Shirakawa; Haruo Sugi
In vitro actomyosin motility in deuterium oxide.
Advances in experimental medicine and biology 2003;538():183-92; discussion 192.
2001: Shigeru Chaen; Naoto Yamamoto; Ibuki Shirakawa; Haruo Sugi
Effect of deuterium oxide on actomyosin motility in vitro.
Biochimica et biophysica acta 2001;1506(3):218-23.
2000: Ibuki Shirakawa; Shigeru Chaen; CR Bagshaw; Haruo Sugi
Measurement of nucleotide exchange rate constants in single rabbit soleus myofibrils during shortening and lengthening using a fluorescent ATP analog.
Biophysical journal 2000;78(2):918-26.
1998: Seiryo Sugiura; Naoshi Kobayakawa; Hiroshi Fujita; Hiroshi Yamashita; Shin-ichi Momomura; Shigeru Chaen; Masao Omata; Haruo Sugi
Comparison of unitary displacements and forces between 2 cardiac myosin isoforms by the optical trap technique: molecular basis for cardiac adaptation.
Circulation research 1998;82(10):1029-34.
1998: Shigeru Chaen; Ibuki Shirakawa; CR Bagshaw; Haruo Sugi
Measurement of ATP turnover during shortening and lengthening of rabbit psoas myofibrils using a fluorescent ATP analog.
Advances in experimental medicine and biology 1998;453():569-76.
1998: Seiryo Sugiura; Naoshi Kobayakawa; Hiroshi Fujita; Shin-ichi Momomura; Shigeru Chaen; Haruo Sugi
Distinct kinetic properties of cardiac myosin isoforms revealed by in vitro studies.
Advances in experimental medicine and biology 1998;453():125-30.
1998: Haruo Sugi; Tsuyoshi Akimoto; Shigeru Chaen; Suechika Suzuki
ATP-induced axial movement of myosin heads in living thick filaments recorded with a gas environmental chamber attached to the electron microscope.
Advances in experimental medicine and biology 1998;453():53-61; discussion 61-2.
1998: H Miyata; Shigeru Chaen; Seiryo Sugiura; Haruo Sugi
Evanescent excitation microscopy. Its application to the study of single molecular process kinetics of actomyosin motor.
Advances in experimental medicine and biology 1998;453():29-35; discussion 35-6.
1997: Shigeru Chaen; Ibuki Shirakawa; CR Bagshaw; Haruo Sugi
Measurement of nucleotide release kinetics in single skeletal muscle myofibrils during isometric and isovelocity contractions using fluorescence microscopy.
Biophysical journal 1997;73(4):2033-42.
1997: Haruo Sugi; Tsuyoshi Akimoto; Kazuo Sutoh; Shigeru Chaen; Noboru Oishi; S Suzuki
Dynamic electron microscopy of ATP-induced myosin head movement in living muscle thick filaments.
Proceedings of the National Academy of Sciences of the United States of America 1997;94(9):4378-82.
1996: Shigeru Chaen; Misako Nakaya; X F Guo; Shugo Watabe
Lower activation energy for sliding of F-actin on a less thermostable isoform of carp myosin.
Journal of biochemistry 1996;120(4):788-91.
1996: Seiryo Sugiura; Naoshi Kobayakawa; Shin-ichi Momomura; Shigeru Chaen; Masao Omata; Haruo Sugi
Different cardiac myosin isoforms exhibit equal force-generating ability in vitro.
Biochimica et biophysica acta 1996;1273(2):73-6.
1995: Seiryo Sugiura; H Yamashita; M Sata; Shin-ichi Momomura; Takashi Serizawa; Kazuhiro Oiwa; Shigeru Chaen; T Shimmen; Haruo Sugi
Force-velocity relations of rat cardiac myosin isozymes sliding on algal cell actin cables in vitro.
Biochimica et biophysica acta 1995;1231(1):69-75.
1995: Ibuki Shirakawa; Kazuhiro Oiwa; Shigeru Chaen; T Shimizu; H Tanaka; Haruo Sugi
The mode of ATP-dependent microtubule-kinesin sliding in the auxotonic condition.
The Journal of experimental biology 1995;198(Pt 8):1809-15.
1995: Shigeru Chaen; J Inoue; Haruo Sugi
The force-velocity relationship of the ATP-dependent actin-myosin sliding causing cytoplasmic streaming in algal cells, studied using a centrifuge microscope.
The Journal of experimental biology 1995;198(Pt 4):1021-7.
1995: T Kobayashi; T Gross; Shigeru Chaen; Seiryo Sugiura; H Tanaka; Haruo Sugi
Effect of lateral forces on the movement of myosin-coated beads on actin cables studied using a centrifuge microscope.
The Japanese journal of physiology 1995;45(1):177-86.
1993: R Tregear; Kazuhiro Oiwa; Shigeru Chaen; Haruo Sugi
Relation between magnetically-applied force and velocity in beads coated with rabbit myosin, sliding on actin cables in Nitellopsis cells.
Journal of muscle research and cell motility 1993;14(4):412-5.
1993: Shigeru Chaen; Kazuhiro Oiwa; T Kobayashi; T Gross; E Kamitsubo; T Shimmen; Haruo Sugi
Kinetic properties of the ATP-dependent actin-myosin sliding as revealed by the force-movement assay system with a centrifuge microscope.
Advances in experimental medicine and biology 1993;332():351-9; discussion 360.
1993: Haruo Sugi; Kazuhiro Oiwa; Shigeru Chaen
Dependence of the work done by ATP-induced actin-myosin sliding on the initial baseline force: its implications for kinetic properties of myosin heads in muscle contraction.
Advances in experimental medicine and biology 1993;332():303-9; discussion 310-1.
1991: Kazuhiro Oiwa; Shigeru Chaen; Haruo Sugi
Measurement of work done by ATP-induced sliding between rabbit muscle myosin and algal cell actin cables in vitro.
The Journal of physiology 1991;437():751-63.
1990: Kazuhiro Oiwa; Shigeru Chaen; E Kamitsubo; T Shimmen; Haruo Sugi
Steady-state force-velocity relation in the ATP-dependent sliding movement of myosin-coated beads on actin cables in vitro studied with a centrifuge microscope.
Proceedings of the National Academy of Sciences of the United States of America 1990;87(20):7893-7.
1989: Shigeru Chaen; Kazuhiro Oiwa; T Shimmen; H Iwamoto; Haruo Sugi
Simultaneous recordings of force and sliding movement between a myosin-coated glass microneedle and actin cables in vitro.
Proceedings of the National Academy of Sciences of the United States of America 1989;86(5):1510-4.
1988: Shigeru Chaen; M Shimada; Haruo Sugi
Cooperative interactions of myosin two heads in muscle force generation.
Advances in experimental medicine and biology 1988;226():289-98.