Invertebrate Neuroscience
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Neuropeptide signaling near and far: how localized and timed is the action of neuropeptides in brain circuits?
Invertebrate Neuroscience - Tập 9 - Trang 57-75 - 2009
Neuropeptide signaling is functionally very diverse and one and the same neuropeptide may act as a circulating neurohormone, as a locally released neuromodulator or even as a cotransmitter of classical fast-acting neurotransmitters. Thus, neuropeptides are produced by a huge variety of neuron types in different parts of the nervous system. Within the central nervous system (CNS) there are numerous...... hiện toàn bộ
Effect of hydrogen peroxide on electrical coupling between identified Lymnaea neurons
Invertebrate Neuroscience - Tập 12 - Trang 63-68 - 2012
The pair of giant reciprocally coupled neurons VD1 and RPaD2 within the CNS of the freshwater pond snail Lymnaea stagnalis was used to analyse the effect of hydrogen peroxide on gap-junction connection. Electrical activity of VD1/RPaD2 was recorded with intracellular microelectrodes in order to analyse gap-junction signalling. Hydrogen peroxide application (1 × 10−4 M) results in a rapid, 1.3-fold...... hiện toàn bộ
Neuronal cell death during metamorphosis of Hydractina echinata (Cnidaria, Hydrozoa)
Invertebrate Neuroscience - Tập 10 - Trang 77-91 - 2010
In planula larvae of the invertebrate Hydractinia echinata (Cnidaria, Hydrozoa), peptides of the GLWamide and the RFamide families are expressed in distinct subpopulations of neurons, distributed in a typical spatial pattern through the larval body. However, in the adult polyp GLWamide or RFamide-expressing cells are located at body parts that do not correspond to the prior larval regions. Since w...... hiện toàn bộ
Electrophysiological recording from parasitic nematode muscle
Invertebrate Neuroscience - Tập 8 - Trang 167-175 - 2008
Infection of man and animals with parasitic nematodes is recognized as a significant global problem (McLeod in Int J Parasitol 25(11):1363–1367, 1994; Hotez et al. in N Engl J Med 357(10):1018–1027, 2007). At present control of these infections relies primarily on chemotherapy. There are a limited number of classes of anthelmintic compounds and the majority of these act on ion-channels of the para...... hiện toàn bộ
The dual effect of enflurane on gill withdrawal reflex ofAplysia
Invertebrate Neuroscience - Tập 2 - Trang 35-40 - 1996
Superfusion of clinical concentrations of enflurane (0.5% or 1.0%), an inhalation anaesthetic, over the abdominal ganglion ofAplysia significantly affected the amplitude of the gill withdrawal reflex evoked by tactile stimulation of the siphon. Enflurane superfusion (0.5%) suppressed the gill withdrawal reflex amplitude (to 46.1% of control; P<0.001 vs control) in eight of ten experiments. In the ...... hiện toàn bộ
Synaptic plasticity in cephalopods; more than just learning and memory?
Invertebrate Neuroscience - Tập 13 - Trang 35-44 - 2013
The outstanding behavioural capacity of cephalopods is underpinned by a highly sophisticated nervous system anatomy and neural mechanisms that often differ significantly from similarly complex systems in vertebrates and insects. Cephalopods exhibit considerable behavioural flexibility and adaptability, and it might be expected that this should be supported by evident cellular and synaptic plastici...... hiện toàn bộ
A biphasic dopaminergic modulation of the high voltage-activated Ba2+ current of identified snail neurons
Invertebrate Neuroscience - Tập 2 - Trang 199-208 - 1996
We have investigated the intracellular mechanisms by which dopamine induced a biphasic modulation of the Ba2+ current amplitude through the high voltage-activated Ca2+ channel (HVA-IBa) in identifiedHelix aspersa neurons. We used the two electrode voltage clamp technique on a group of identified neurons of the right parietal ganglionin situ, and the whole cell patch clamp technique on these same n...... hiện toàn bộ
Knockout of PINK1 altered the neural connectivity of Drosophila dopamine PPM3 neurons at input and output sites
Invertebrate Neuroscience - Tập 20 - Trang 1-9 - 2020
Impairment of the dopamine system is the main cause of Parkinson disease (PD). PTEN-induced kinase 1 (PINK1) is possibly involved in pathogenesis of PD. However, its role in dopaminergic neurons has not been fully established yet. In the present investigation, we have used the PINK1 knockout Drosophila model to explore the role of PINK1 in dopaminergic neurons. Electrophysiological and behavioral ...... hiện toàn bộ
“The Natural History of the Crustacea”: Volume 3, “Nervous Systems and Control of Behavior,” edited by Charles Derby and Martin Thiel, and Volume 4 “Physiology,” edited by Ernest Chang and Martin Thiel
Invertebrate Neuroscience - Tập 15 - Trang 1-2 - 2015
In these handsomely produced new volumes in “The Natural History of the Crustacea” series (series editor Martin Thiel), the Editors have assembled a comprehensive and authoritative series of reviews exploring all aspects of the neurobiology and physiology of crustaceans.
Expression and genetic variation of theAplysia egg-laying hormone gene family in the atrial gland
Invertebrate Neuroscience - Tập 2 - Trang 261-271 - 1997
We have screened anAplysia atrial gland cDNA library using an egg-laying hormone (ELH) precursor probe and have isolated and characterized five different clones, four of which are full-length and approximately 0.8 kb in size. The characterization of these cDNA clones firmly established the genetic variation of the ELH-related precursors expressed in the atrial gland and provided a rational basis f...... hiện toàn bộ
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