The effects of repeated morphine treatment on the endogenous cannabinoid system in the ventral tegmental area

H Zhang, AA Lipinski, E Liktor-Busa, AF Smith… - Frontiers in …, 2021 - frontiersin.org
… Coronal slices containing the VTA were sectioned at a … the production of endogenous 2-AG
on sustained morphine-induced … Our results showed that rats receiving sustained morphine

… of dopamine D1-and D2-like receptors in the CA1 region of the hippocampus on expression and extinction of morphine-induced conditioned place preference in rats

F Nazari-Serenjeh, S Zarrabian, R Azizbeigi… - Behavioural brain …, 2021 - Elsevier
… ; the brain was removed and cut coronally in 50-μm sections … 2B) experiments was verified
according to the rat brain atlas [… be inhibited by endogenous GABA [29] and morphine can …

Endogenous opioid peptides and brain development: Endomorphin‐1 and Nociceptin play a sex‐specific role in the control of oligodendrocyte maturation and brain …

E Mohamed, CE Paisley, LC Meyer, JW Bigbee… - Glia, 2020 - Wiley Online Library
… timing of myelination in the rat brain is disturbed by in utero … However, the functions of the
endogenous opioid receptor … staining of coronal brain sections with MBP antibody. Shown are …

Simultaneous intrathecal injection of muscimol and endomorphin‐1 alleviates neuropathic pain in rat model of spinal cord injury

M Hosseini, Z Karami, M Yousefifard… - Brain and …, 2020 - Wiley Online Library
… Also, special attention has been focused on endogenous morphine (endomorphins) in
reducing chronic pain originates from damage to the nervous system. The purpose of this study is …

[HTML][HTML] The effect of morphine on rat microglial phagocytic activity: An in vitro study of brain region-, plating density-, sex-, morphine concentration-, and receptor …

DN King'uyu, L Nti-Kyemereh, JL Bonin… - Journal of …, 2023 - Elsevier
… M morphine increased phagocytosis in cortical … morphine in striatal microglia plated at 10
K density is mediated via TLR4, and not μORs. Overall, our data suggest that in rats, a morphine

Different neuronal populations mediate inflammatory pain analgesia by exogenous and endogenous opioids

XY Zhang, YN Dou, L Yuan, Q Li, YJ Zhu, M Wang… - Elife, 2020 - elifesciences.org
… the analgesic effect of morphine in acute pain, but not in endogenous opioid analgesia during
… (b) Graphs showing the immunostaining of MOR in brain sections of Oprm1 KI/KI , Vglut2-…

Body size and brain volumetry in the rat following prolonged morphine administration in infancy and adulthood

M Taylor, AB Cheng, DJ Hodkinson… - Frontiers in Pain …, 2023 - frontiersin.org
… Coronal brain sections are organized from the most rostral (top left) to the most caudal (bottom
right) ends. The most anterior section included the last section-containing cortex and …

Application of infrared matrix-assisted laser desorption electrospray ionization mass spectrometry for morphine imaging in brain tissue

Y Desyaterik, JN Mwangi, MP McRae… - Analytical and …, 2023 - Springer
… other endogenous information … morphine and abacavir, we measured four endogenous
ions that showed differing signal abundance across the coronal sections of the posterior brain, …

Morphine-sensitive synaptic transmission emerges in embryonic rat microphysiological model of lower afferent nociceptive signaling

KJ Pollard, DA Bowser, WA Anderson, M Meselhe… - Science …, 2021 - science.org
… be endogenously gated in the DRG-SCDH circuitry through both descending synaptic input
from the brain … Dorsal horn field potentials recorded in ex vivo slice preparations from the rat

Shift of µ-opioid receptor signaling in the dorsal reticular nucleus is implicated in morphine-induced hyperalgesia in male rats

AR Costa, M Sousa, SP Wilson, C Reguenga… - …, 2020 - pubs.asahq.org
… The dorsal reticular nucleus belongs to the endogenous pain … morphine infusion, 14 we
explored the effects of sustained … Five sections encompassing the rostro-caudal extent of the …