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Mn and Mg influxes through Ca channels of motor nerve terminals are prevented by verapamil in frogs
At frog neuromuscular junctions immersed in solutions containing 0.5 mM Mn2+, verapamil (40 microM) reduced the increase in miniature end-plate potential (MEPP) frequency produced by tetanic… Expand
Functional Coupling of Ca2+ Channels to Ryanodine Receptors at Presynaptic Terminals
- K. Narita, T. Akita, J. Hachisuka, S. Huang, K. Ochi, K. Kuba
- The Journal of General Physiology
- 1 April 2000
Ca2+-induced Ca2+ release (CICR) enhances a variety of cellular Ca2+ signaling and functions. How CICR affects impulse-evoked transmitter release is unknown. At frog motor nerve terminals, repetitive… Expand
Ca(2+)-dependent Ca(2+) clearance via mitochondrial uptake and plasmalemmal extrusion in frog motor nerve terminals.
Ca(2+) clearance in frog motor nerve terminals was studied by fluorometry of Ca(2+) indicators. Rises in intracellular Ca(2+) ([Ca(2+)](i)) in nerve terminals induced by tetanic nerve stimulation… Expand
Tetanic stimulation increases the frequency of miniature end-plate potentials at the frog neuromuscular junction in Mn2+-, CO2+-, and Ni2+-saline solutions
The effects of Mn2+, Co2+, and of Ni2+ on quantal acetylcholine (ACh) release have been studied with conventional microelectrode techniques. Increasing the [Co2+]0 or [Ni2+]0 (in the absence of… Expand
[Quarantine and health control of the squirrel monkey (Saimiri sciureus) (author's transl)].
- T. Suzuki, H. Miura, K. Narita, H. Suzuki, H. Miki, Toshihiko Sado
- Biology, Medicine
- Jikken dobutsu. Experimental animals
- 1 April 1978
A total of two hundreds and seventy squirrel monkeys (Saimiri sciureus) of both sexes were imported from South America through an animal dealer of the U. S. A. in eight lots from May, 1973 to July,… Expand
Inhibitory effect of mitomycin C upon experimental tumors.
Delayed administration of the nucleic acid analog 2Cl-C.OXT-A attenuates brain damage and enhances functional recovery after ischemic stroke
2Cl-C.OXT-A (COA-Cl) is a novel nucleic acid analog that enhances angiogenesis through extracellular signal-regulated kinase 1 or 2 (ERK1/2) activation. ERK1/2 is a well-known kinase that regulates… Expand
Effects of temperature on the decline in miniature end-plate potential frequency following a tetanus
When frog nerve-muscle preparations are stimulated tetanically in saline solutions containing Ca2+, Mn2+, Co2+, or Ni2+ there is a substantial rise in miniature end-plate potential (MEPP) frequency.… Expand