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Characterization of two types of calcium channels in mouse neuroblastoma cells.
Calcium channel currents as carried by Ba2+ (50 mM) were recorded using the whole‐cell variation of the patch‐electrode voltage‐clamp technique and were considered to be two different entities, equally sensitive to the temperature.
Substance P as an excitatory transmitter of primary afferent neurons in guinea-pig sympathetic ganglia
It is suggested that axon collaterals of certain visceral primary efferents form synapses with principal cells in the prevertebral ganglia and release substance P as a transmitter for the non-cholinergic slow EPSP.
Substance P: Depletion in the dorsal horn of rat spinal cord after section of the peripheral processes of primary sensory neurons
It appears that peripheral nerve injury results in the degeneration of primary sensory neurons which contain and release substance P as neurotransmitter.
Enkephalin as a transmitter for presynaptic inhibition in sympathetic ganglia
In mammalian prevertebral ganglia, the conditioning stimulation given to preganglionic nerves produces a long-lasting presynaptic inhibition of cholinergic transmission and that this inhibition is specifically abolished by naloxone, strongly suggesting that enkephalin or closely related peptide(s) liberated from certain pre ganglionic fibres act as a transmitter for presYNaptic inhibition, regulating the release of acetylcholine in the sympathetic ganglia.
Block of calcium channels by enkephalin and somatostatin in neuroblastoma-glioma hybrid NG108-15 cells.
The time- and voltage-dependent block of type 2 Ca2+ channels may provide a mechanism underlying the enkephalinergic presynaptic inhibition of transmitter release and the somatostatin block of pituitary growth hormone release.
Effects of the mycelial extract of cultured Cordyceps sinensis on in vivo hepatic energy metabolism in the mouse.
Mice were given the extract of cultured Cordyceps sinensis (Cs) (200 mg/kg daily, p.o.) for 3 weeks. In vivo phosphorus-31 nuclear magnetic resonance (NMR) spectra of the liver were acquired at
Enkephalins presynaptically inhibit cholinergic transmission in sympathetic ganglia
Enkephalins presynaptically inhibit cholinergic transmission in sympathetic ganglia and are reported to be the major neurotransmitter in the autonomic ganglia.
Role of substance P as a sensory transmitter in spinal cord and sympathetic ganglia.
Electrophysiological and neurochemical studies on the prevertebral ganglia of the guinea-pig strongly suggest that SP is released from axon collaterals of visceral primary afferent neurons in the ganglia and serves as a transmitter that generates non-cholinergic slow EPSPs in principal cells.