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Full-Text Articles in Medicine and Health Sciences
Share Cannabidiol Exposure During Gestation Leads To Adverse Cardiac Outcomes Early In Postnatal Life In Male Rat Offspring., Daniel B. Hardy, Steven R. Laviolette, Kendrick Lee, David Rc Natale
Share Cannabidiol Exposure During Gestation Leads To Adverse Cardiac Outcomes Early In Postnatal Life In Male Rat Offspring., Daniel B. Hardy, Steven R. Laviolette, Kendrick Lee, David Rc Natale
Physiology and Pharmacology Publications
Introduction: Studies indicate that *7% of pregnant individuals in North America consume cannabis in pregnancy. Pre-clinical studies have established that maternal exposure to D9-tetrahydrocannabinol (THC; major psychoactive component in cannabis) leads to fetal growth restriction and impaired cardiac function in offspring. However, the effects of maternal exposure to cannabidiol (CBD; major non-euphoric constituent) on cardiac outcomes in offspring remain unknown. Therefore, our objective is to investigate the functional and underlying molecular impacts in the hearts of offspring exposed to CBD in pregnancy. Methods: Pregnant Wistar rats were exposed to either 3 or 30mg/kg CBD or vehicle control i.p. daily from …
Authorizing Medical Cannabis For Children., Michael Rieder
Authorizing Medical Cannabis For Children., Michael Rieder
Paediatrics Publications
No abstract provided.
Maternal Exposure To Δ9-Tetrahydrocannabinol Impairs Female Offspring Glucose Homeostasis And Endocrine Pancreatic Development In The Rat., Ryan Gillies, Kendrick Lee, Sebastian Vanin, Steven R Laviolette, Alison C Holloway, Edith Arany, Daniel B Hardy
Maternal Exposure To Δ9-Tetrahydrocannabinol Impairs Female Offspring Glucose Homeostasis And Endocrine Pancreatic Development In The Rat., Ryan Gillies, Kendrick Lee, Sebastian Vanin, Steven R Laviolette, Alison C Holloway, Edith Arany, Daniel B Hardy
Physiology and Pharmacology Publications
Recent reports indicate that 7% of pregnant mothers in North America use cannabis. This is concerning given that in utero exposure to Δ9-tetrahydrocannabinol (Δ9-THC), the main psychoactive component in cannabis, causes fetal growth restriction and may alter replication and survival of pancreatic β-cells in the offspring. Accordingly, we hypothesized that maternal exposure to Δ9-THC during pregnancy would impair postnatal glucometabolic health of offspring. To test this hypothesis, pregnant Wistar rats were treated with daily intraperitoneal injections of either 3 mg/kg Δ9-THC or vehicle from gestational day 6 to birth. Offspring were subsequently challenged with glucose and insulin at 5 months …
Adolescent Cannabinoid Exposure Induces A Persistent Sub-Cortical Hyper-Dopaminergic State And Associated Molecular Adaptations In The Prefrontal Cortex., Justine Renard, Laura G Rosen, Michael Loureiro, Cleusa De Oliveira, Susanne Schmid, Walter J Rushlow, Steven R Laviolette
Adolescent Cannabinoid Exposure Induces A Persistent Sub-Cortical Hyper-Dopaminergic State And Associated Molecular Adaptations In The Prefrontal Cortex., Justine Renard, Laura G Rosen, Michael Loureiro, Cleusa De Oliveira, Susanne Schmid, Walter J Rushlow, Steven R Laviolette
Brain and Mind Institute Researchers' Publications
Considerable evidence suggests that adolescent exposure to delta-9-tetrahydrocanabinol (THC), the psychoactive component in marijuana, increases the risk of developing schizophrenia-related symptoms in early adulthood. In the present study, we used a combination of behavioral and molecular analyses with in vivo neuronal electrophysiology to compare the long-term effects of adolescent versus adulthood THC exposure in rats. We report that adolescent, but not adult, THC exposure induces long-term neuropsychiatric-like phenotypes similar to those observed in clinical populations. Thus, adolescent THC exposure induced behavioral abnormalities resembling positive and negative schizophrenia-related endophenotypes and a state of neuronal hyperactivity in the mesocorticolimbic dopamine (DA) pathway. …