Prenatal exposure to methadone or buprenorphine alters µ‐opioid receptor binding and downstream signaling in the rat brain

M Kongstorp, IL Bogen, S Steinsland… - International Journal …, 2020 - Wiley Online Library
There is a growing concern related to the use of opioid maintenance treatment during
pregnancy. Studies in both humans and animals have reported reduced cognitive …

[HTML][HTML] Prenatal exposure to methadone or buprenorphine impairs cognitive performance in young adult rats

M Kongstorp, IL Bogen, T Stiris, JM Andersen - Drug and Alcohol …, 2020 - Elsevier
Background Concerns have been raised about the use of opioid maintenance treatment
(OMT) during pregnancy and negative effects for the offspring. While neonatal outcomes and …

Prenatal methadone exposure leads to long‐term memory impairments and disruptions of dentate granule cell function in a sex‐dependent manner

ME Gamble, R Marfatia, MR Diaz - Addiction Biology, 2022 - Wiley Online Library
Prenatal opioid exposures lead to extensive cognitive and emotion‐regulation problems in
children, persisting at least through school‐age. Methadone, an opioid typically used for the …

Brain opioid receptor adaptation and expression after prenatal exposure to buprenorphine

MM Belcheva, LM Bohn, MT Ho, FE Johnson… - Developmental Brain …, 1998 - Elsevier
Previous in vivo studies revealed that buprenorphine can down-regulate μ and up-regulate
δ2 and κ1 opioid receptors in adult and neonatal rat brain. To assess gestational effects of …

Transient down-regulation of neonatal rat brain μ-opioid receptors upon in utero exposure to buprenorphine

MM Belcheva, S Dawn, J Barg, RJ McHale… - Developmental brain …, 1994 - Elsevier
Gestational actions of the mixed agonist-antagonist buprenorphine on μ-and κ 1-opioid
binding in neonatal and maternal rat brain were investigated. Upon exposure of pregnant …

Differential effects of gestational buprenorphine, naloxone, and methadone on mesolimbic μ opioid and ORL1 receptor G protein coupling

Y Hou, Y Tan, MM Belcheva, AL Clark, DS Zahm… - Developmental Brain …, 2004 - Elsevier
In addition to its use for heroin addiction pharmacotherapy in general, buprenorphine has
advantages in treating maternal heroin abuse. To examine the gestational effects of …

Opioid addiction and pregnancy: perinatal exposure to buprenorphine affects myelination in the developing brain

ES Sanchez, JW Bigbee, W Fobbs, SE Robinson… - Glia, 2008 - Wiley Online Library
Buprenorphine is a μ‐opioid receptor partial agonist and κ‐opioid receptor antagonist
currently on trials for the management of pregnant opioid‐dependent addicts. However, little …

Prenatal morphine exposure differentially alters expression of opioid peptides in striatum of newborns

A Tempel, J Yang, R Basheer - Molecular brain research, 1995 - Elsevier
The biochemical and cellular mechanisms involved in the development and/or maintenance
of morphine tolerance remain unclear. In the adult central nervous system (CNS) results are …

Chronic prenatal methadone exposure alters central opioid μ-receptor affinity in both fetal and maternal brain

NA Darmani, SH Schnoll, U Pandey… - Neurotoxicology and …, 1992 - Elsevier
The effects of chronic prenatal methadone exposure (6.3–9.0 mg/kg/day) via osmotic
minipumps to pregnant dams on fetal and maternal brain opioid μ-receptors were assessed …

High accumulation of methadone compared with buprenorphine in fetal rat brain after maternal exposure

M Kongstorp, IL Bogen, T Stiris, JM Andersen - Journal of Pharmacology and …, 2019 - ASPET
Experimental animal studies are valuable in revealing a causal relationship between
prenatal exposure to opioid maintenance treatment (OMT) and subsequent effects; however …