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Dr. Klaus-Peter Ossenkopp
ossenkop@uwo.ca
Social Science Centre 9248
519-661-2111 ext. 84656

 

Selected Publications

 

Immune System and Behavior

Cloutier CJ; Rodowa, M-S; Cross-Mellor SK; Chan MYT; Kavaliers M; Ossenkopp K-P. Inhibition of LiCl-induced conditioning of anticipatory nausea in rats following immune system stimulation: Comparing the immunogens lipopolysaccharide, muramyl dipeptide, and polyinosinic: polycytidylic acid. Physiology and Behavior, 2012, in press.

Chan MYT; Cross-Mellor SK; Kavaliers M; Ossenkopp K-P. Lipopolysaccharide (LPS) blocks the acquisition of LiCl-induced gaping in a rodent model of anticipatory nausea. Neuroscience Letters, 2009, 450:301-305.

Lockey AJ; Kavaliers M; Ossenkopp K-P. Lipopolysaccharide produces dose-dependent reductions of the acoustic startle response without impairing prepulse inhibition in male rats. Brain, Behavior, and Immunity, 2009, 23:101-107.

Lockey AJ; Kavaliers M; Ossenkopp K-P. The tactile startle response, but not prepulse inhibition, is reduced by lipopolysaccharide in a dose-related manner. Pharmacology, Biochemistry and Behavior, 2009, 93:47-53.

Tenk CM; Kavaliers M; Ossenkopp K-P. Sexually dimorphic effects of neonatal immune system activation with lipopolysaccharide on the behavioural response to a homotypic adult immune challenge. International Journal of Developmental Neuroscience, 2008, 26:331-338.

Hormones and Behavior

Ossenkopp K-P; Biagi E; Cloutier CJ; Chan MYT; Kavaliers M; Cross-Mellor SK. Acute corticosterone increases conditioned spontaneous orofacial behaviors but fails to influence the dose related LiCl-induced conditioned “gaping” responses in a rodent model of anticipatory nausea. European Journal of Pharmacology, 2011, 660:358-362.

Fudge MA; Kavaliers M; Ossenkopp K-P. Tamoxifen and raloxifene produce conditioned taste avoidance in female rats: A microstructural analysis of licking patterns. Life Sciences, 2009, 84:282-289.

Fudge MA; Kavaliers M; Baird J-P; Ossenkopp K-P. Tamoxifen produces conditioned taste avoidance in male rats: An analysis of microstructural licking patterns and taste reactivity. Hormones and Behavior, 2009, 56:322-331.

Conditioned Taste Aversion and Nausea

Ossenkopp K-P; Foley KA; Gibson J; Fudge MA; Kavaliers M; MacFabe DF. Systemic treatment with the enteric bacterial fermentation product propionic acid produces both conditioned taste avoidance and conditioned place avoidance in rats. Behavioural Brain Research, 2012, 227:134-141.

Cloutier CJ; Cross-Mellor SK; Chan MYT; Kavaliers M; Ossenkopp K-P. Simultaneous conditioning of “gaping” and taste avoidance in rats injected with lithium chloride and saccharin: Examining the role of context and taste cues in the rodent model of anticipatory nausea.Neuroscience Letters, 2011, 502:76-79.

Limebeer CL; Vimuri K; Bedard H; Lang ST; Ossenkopp K-P; Makriyannis A; Parker LA. Peripheral inverse agonism of CB1 receptors potentiates LiCl-induced nausea: Evidence from the conditioned gaping model in rats. British Journal of Pharmacology, 2010, 161:336-349.

Chan MYT; Cross-Mellor SK; Kavaliers M; Ossenkopp K-P. Lipopolysaccharide (LPS) blocks the acquisition of LiCl-induced gaping in a rodent model of anticipatory nausea. Neuroscience Letters, 2009, 450:301-305.

Cross-Mellor SK; Parker LA; Ossenkopp K-P. Lipopolysaccharide dose-dependently impairs rapid toxin-induced gustatory conditioning in rats consuming a sucrose-lithium chloride solution: A taste reactivity analysis. Brain, Behavior, and Immunity, 2009, 23:204-216.

Rodent Model of Autism

MacFabe DF; Cain N; Boon F; Ossenkopp K-P; Cain DP. Effects of the enteric bacterial metabolic product propionic acid on social behavior, cognition, and object fixation in adolescent rats: Further support for an animal model of autism spectrum disorder. Behavioural Brain Research, 2011, 217:47-54.

Shultz SR; MacFabe DF; Ossenkopp K-P; Scratch S; Whelan J; Taylor R; Cain DP. Intracerebroventricular injections of propionic acid impair cognition and sensorimotor ability in adult male rats. Behavioural Brain Research, 2009, 200:33-41.

MacFabe DF; Rodriguez-Capote K; Hoffman JE; Franklin AE; Mohammad-Asef Y; Taylor RA; Boon F; Cain DP; Kavaliers M; Possmayer F; Ossenkopp K-P. A novel rodent model of autism: Intraventricular infusions of propionic acid increase locomotor activity and induce neuroinflammation and oxidative stress in discrete regions of adult rat brain. American Journal of Biochemistry and Biotechnology, 2008, 4:146-166.

Shultz SR; MacFabe DF; Ossenkopp K-P; Scratch S; Whelan J; Taylor R; Cain DP. Intracerebroventricular injection of propionic acid, an enteric bacterial metabolic end-product, impairs social behavior in the rat: Implications for an animal model of autism. Neuropharmacology, 2008, 54:901-911.

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