Search Results - "Grolleau, F."

Imidacloprid actions on insect neuronal acetylcholine receptors by Buckingham, S, Lapied, B, Corronc, H, Sattelle, F

“…The neonicotinoid insecticide Imidacloprid acts at three pharmacologically distinct acetylcholine receptor (AChR) subtypes in the cockroach (Periplaneta…”
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Dimethyl Disulfide Exerts Insecticidal Neurotoxicity Through Mitochondrial Dysfunction and Activation of Insect K ATP Channels by Dugravot, Sébastien, Grolleau, Françoise, Macherel, David, Rochetaing, Annie, Hue, Bernard, Stankiewicz, Maria, Huignard, Jacques, Lapied, Bruno

“…The plant-derived insecticides have introduced a new concept in insecticide research. In response to insect attacks, some plants can release volatile sulfur…”
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Two distinct low-voltage-activated Ca2+ currents contribute to the pacemaker mechanism in cockroach dorsal unpaired median neurons by Grolleau, F, Lapied, B

“…1. The contribution of Ca2+ currents to the endogenous firing properties of cockroach isolated adult dorsal unpaired median neurons was investigated using…”
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Separation and identification of multiple potassium currents regulating the pacemaker activity of insect neurosecretory cells (DUM neurons) by Grolleau, F, Lapied, B

“…1. Whole cell voltage-clamp studies performed in isolated adult neurosecretory cells identified as dorsal unpaired median (DUM) neurons of the terminal…”
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Biophysical properties of scorpion α-toxin-sensitive background sodium channel contributing to the pacemaker activity in insect neurosecretory cells (DUM neurons) by Lapied, B., Stankiewicz, M., Grolleau, F., Rochat, H., Zlotkin, E., Pelhate, M.

“…A scorpion α‐toxin‐sensitive background sodium channel was characterized in short‐term cultured adult cockroach dorsal unpaired median (DUM) neurons using the…”
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Insect background sodium channel as a new target for scorpion alpha toxin by Stankiewicz, Maria, Grolleau, Françoise, Rochat, Hervé, Zlotkin, Eliahu, Pelhate, Marcel, Lapied, Bruno

“…The effects of an anti‐insect scorpion alpha toxin, LqhαIT, isolated from the venom of the Israeli scorpion Leiurus quinquestriatus hebraeus was studied on…”
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Bot IT2, a toxin paralytic to insects from the Buthus occitanus tunetanus venom modifying the activity of insect sodium channels by Stankiewicz, M., Grolleau, F., Lapied, B., Borchani, L., El Ayeb, M., Pelhate, M.

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A Possible Explanation for a Neurotoxic Effect of the Anticancer Agent Oxaliplatin on Neuronal Voltage-Gated Sodium Channels by Grolleau, Francoise, Gamelin, Laurence, Boisdron-Celle, Michele, Lapied, Bruno, Pelhate, Marcel, Gamelin, Erick

“…  1 Laboratoire de Neurophysiologie Unité Propre de Recherche de l'Enseignement Supérieur Equipe d'Accueil (UPRES EA) 2647, Université d'Angers, Unité de…”
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Synergism between insecticides permethrin and propoxur occurs through activation of presynaptic muscarinic negative feedback of acetylcholine release in the insect central nervous system by Corbel, Vincent, Stankiewicz, Maria, Bonnet, Julien, Grolleau, Françoise, Hougard, Jean Marc, Lapied, Bruno

“…Although synergism between pesticides has been widely documented, the physiological mechanisms by which an insecticide synergizes another remains unclear…”
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Two distinct calcium-sensitive and -insensitive PKC up- and down-regulate an α-bungarotoxin-resistant nAChR1 in insect neurosecretory cells (DUM neurons) by Courjaret, Raphaël, Grolleau, Françoise, Lapied, Bruno

“…While there is mounting knowledge about the structure and diversity of insect neuronal nicotinic acetylcholine receptors, less attention has been directed…”
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Dorsal unpaired median neurones in the insect central nervous system: towards a better understanding of the ionic mechanisms underlying spontaneous electrical activity by Grolleau, F, Lapied, B

“…The efferent dorsal unpaired median (DUM) neurones, which include octopaminergic neurones, are among the most intensively studied neurones in the insect…”
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new scorpion venom toxin paralytic to insects that affects Na+ channel activation. Purification, structure, antigenicity and mode of action by Borchani, L, Mansuelle, P, Stankiewicz, M, Grolleau, F, Cestele, S, Karoui, H, Lapied, B, Rochat, H, Pelhate, M, El Ayeb, M

“…A new toxin, BotIT2, with a unique mode of action on the isolated giant axon of the cockroach Periplaneta americana and DUM (dorsal unpaired median) neurons,…”
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Indoxacarb, an oxadiazine insecticide, blocks insect neuronal sodium channels by Lapied, Bruno, Grolleau, Françoise, Sattelle, David B

“…Decarbomethoxyllated JW062 (DCJW), the active component of a new oxadiazine insecticide DPX‐JW062 (Indoxacarb), was tested on action potentials and the inward…”
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Contryphan-Vn: a modulator of Ca2+-dependent K+ channels by Massilia, Gabriella Raybaudi, Eliseo, Tommaso, Grolleau, Francoise, Lapied, Bruno, Barbier, Julien, Bournaud, Roland, Molgó, Jordi, Cicero, Daniel Oscar, Paci, Maurizio, Schininà, Maria Eugenia, Ascenzi, Paolo, Polticelli, Fabio

“…Contryphan-Vn is a D-tryptophan-containing disulfide-constrained nonapeptide isolated from the venom of Conus ventricosus, the single Mediterranean cone snail…”
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Ca super(2+)/Calmodulin-Dependent Protein Kinase Regulates GABA-Activated Cl super(-) Current in Cockroach Dorsal Unpaired Median Neurons by Alix, P, Grolleau, F, Hue, B

“…We studied gamma -aminobutyric acid (GABA)-mediated currents in short-term cultured dorsal unpaired median (DUM) neurons of cockroach Periplaneta americana…”
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Indirect activation of neuronal noncapacitative Ca entry is the final step involved in the neurotoxic effect of Tityus serrulatus scorpion beta-toxin by Grolleau, F., Stankiewicz, M., Kielbasiewicz, E., Mf, Martin-Eauclaire, Lavialle, C., Vente J, De, Lapied, B.

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Ca2+/calmodulin dependent protein kinase regulates GABA activated Cl- current in cockroach dorsal unpaired median neurons by Alix, Philippe, Grolleau, F, Hue, B

“…Laboratoire de Neurophysiologie Unité Propre de Recherche de l'Enseignement Supérieur Equipe d'Accueil 2647, Université d'Angers, Unité de Formation et de…”
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Indirect activation of neuronal noncapacitative Ca2+ entry is the final step involved in the neurotoxic effect of Tityus serrulatus scorpion β-toxin by Grolleau, Françoise, Stankiewicz, Maria, Kielbasiewicz, Ewa, Martin-Eauclaire, Marie-France, Lavialle, Céline, De Vente, Jan, Lapied, Bruno

“…Interweaving strategies of electrophysiology, calcium imaging and immunocytochemistry bring new insights into the mode of action of the Brazilian scorpion…”
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Dimethyl Disulfide Exerts Insecticidal Neurotoxicity Through Mitochondrial Dysfunction and Activation of Insect K sub(ATP) Channels by Dugravot, S, Grolleau, F, Macherel, D, Rochetaing, A, Hue, B, Stankiewicz, M, Huignard, J, Lapied, B

“…The plant-derived insecticides have introduced a new concept in insecticide research. In response to insect attacks, some plants can release volatile sulfur…”
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Single channel analysis of the blocking actions of BIDN and fipronil on a Drosophila melanogaster GABA receptor (RDL) stably expressed in a Drosophila cell line by Grolleau, Françoise, Sattelle, David B

“…Single channel recordings were obtained from a Drosophila S2 cell line stably expressing the wild‐type RDLac Drosophila melanogaster homomer‐forming ionotropic…”
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