REVIEWS

397. ATP-Sensitive Potassium Channels: Structures, Functions, and Pathophysiology
     Nobuya INAGAKI and Susumu SEINO
     

413. Axoplasmic Transport and Its Signal Transduction Mechanism
     Toshifumi TAKENAKA, Tadashi KAWAKAMI, Hideaki HORI, Yoko HASHIMOTO, Hiromi HIRUMA, and Tatsumi KUSAKABE
     

421. Cytoplasmic free Concentrations of Ca²⁺ and Mg²⁺ in Skeletal Muscle Fibers at Rest and during Contraction
     Masato KONISHI
     

REGULAR PAPERS

439. Effect of an Allosteric Modifier of Hemoglobin, RSR-4, on Oxygen Affinity and Oxygen Saturation of Hemoglobin in Rabbits
     Kou UCHIDA, Michael P. REILLY, Donald J. ABRAHAM, and Toshio ASAKURA
     

445. Effects of Myosin Isozyme Shift on Curvilinearity of the Left Ventricular End-Systolic Pressure-Volume Relation of In Situ Rat Hearts
     Shinyu LEE, Yoshimi OHGA, Hideo TACHIBANA, Yi SYUU, Haruo ITO, Mine HARADA, Hiroyuki SUGA, and Miyako TAKAKI
     

457. Properties of Inhibitory Junctional Transmission in Smooth Muscle of the Guinea Pig Lower Esophageal Sphincter
     Kenro IMAEDA, Takashi JOH, Yoshimichi YAMAMOTO, Makoto ITOH, and Hikaru SUZUKI
     

467. Activation of Inwardly Rectifying K⁺ Channel in OK Proximal Tubule Cells Involves cGMP-Dependent Phosphorylation Process
     Manabu KUBOKAWA, Shigeyuki NAKAYA, Yoshichika YOSHIOKA, Kazuyoshi NAKAMURA, Fumio SATO, Yoshiaki MORI, and Takahiro KUBOTA
     

477. Infrared Thermography of Bullfrog Skeletal Muscle at Rest and during an Isometric Tetanus
     Takakazu KOBAYASHI, Makoto SHIMO, and Haruo SUGI
     

483. Positive Inotropic, Negative Chronotropic, and Coronary Vasoconstrictor Effects of Acetylcholine in Isolated Rat Hearts: Role of Muscarinic Receptors, Prostaglandins, Protein Kinase C, Influx of Extracellular Ca²⁺, Intracellular Ca²⁺ Release, and Endothelium
     Sadiye ATES and Ziya KAYGISIZ
     

493. Hemispheric Laterality in Contextual Recognition
     Ichiro SHIMOYAMA, Toshihiko ITO, Tadahiko SHIBATA, Dilshat ABLA, and Yoshio NAKAJIMA
     

499. Transient Change in Standing Posture after Linear Treadmill Locomotion
     Motoyuki HASHIBA
     

SHORT COMMUNICATION

505. Adaptive changes in the Thermogenesis of Rats by Cold Acclimation and Deacclimation
     Kazuko HORI, Tohru ISHIGAKI, Katsuhiro KOYAMA, Mitsuharu KAYA, Junzo TSUJITA, and Seiki HORI