The role of drug efflux and uptake transporters in the plasma pharmacokinetics and tissue disposition of morphine and its main metabolites

MLF Martins, P Heydari, W Li… - Toxicology and Applied …, 2024 - Elsevier
… of the lack of mAbcb1 and mAbcg2 on morphine brain accumulation (around 8-fold higher
in … had no significant impact on the brain accumulation of morphine (Supplementary Fig. 3). …

Physiologically based pharmacokinetic/pharmacodynamic model for the prediction of morphine brain disposition and analgesia in adults and children

LFM Verscheijden, CHC Litjens… - PLoS Computational …, 2021 - journals.plos.org
… This study focused on the short-term analgesic effects after morphine administration, in which
morphine alone is mainly responsible for the analgesic effects. Accumulation of morphine-6…

Morphine accumulates in the retina following chronic systemic administration

N Bergum, CT Berezin, G Dooley, J Vigh - Pharmaceuticals, 2022 - mdpi.com
… levels seem to increase upon repeated systemic exposure, we wanted to compare the
deposition of morphine in the retina to the brain. We chose to compare the retina to the …

[HTML][HTML] Morphine-element interactions–The influence of selected chemical elements on neural pathways associated with addiction

P Kupnicka, K Kojder, E Metryka, P Kapczuk… - Journal of Trace …, 2020 - Elsevier
… between morphine and zinc, manganese, chromium, cadmium, lead, fluoride, their impact
on neural pathways associated with addiction, and on antinociception and morphine tolerance …

Fluoride affects dopamine metabolism and causes changes in the expression of dopamine receptors (D1R and D2R) in chosen brain structures of morphine …

P Kupnicka, J Listos, M Tarnowski… - International Journal of …, 2020 - mdpi.com
Accumulation of fluoride in the brain has been shown to cause neurodegenerative
changes in the striatum, motor cortex, cerebellum, and amygdala of rats [9,10]. Studies on the …

Deep proteomics and phosphoproteomics reveal novel biological pathways perturbed by morphine, morphine‐3‐glucuronide and morphine‐6‐glucuronide in human …

V Dozio, Y Daali, J Desmeules… - Journal of …, 2022 - Wiley Online Library
… significantly reduced the inhibitory phosphorylation of HMGCR, which might enhance
intracellular cholesterol accumulation. Little is known about the relationship between opioid …

[HTML][HTML] Distribution of morphine and methadone to the brain in a developmental chicken embryo model

D Rajalingam, F Boix, A Khoder, JM Andersen… - Toxicology and Applied …, 2023 - Elsevier
… that the distribution of morphine to the brain followed a first-… , but not morphine, reduced μ
receptor (the main morphine … first to report the brain distribution of morphine, which can be …

Morphine produces potent antinociception, sedation, and hypothermia in humanized mice expressing human mu-opioid receptor splice variants

YH Huang, YW Wu, JY Chuang, YC Chang, HF Chang… - Pain, 2020 - journals.lww.com
… are very different from those of humans, 40 and it is difficult to … are similar to those in human
brains. Therefore, we established … inhibition of forskolin-stimulated cAMP accumulation: (1 − […

Differential Effect of Chronic Morphine on Neuronal Degeneration in Male vs. Female Mice

C Brazile Jr, R Fan, B Benoit, T Arnold, N Korneeva - Pathophysiology, 2024 - mdpi.com
… A recent analysis of the neuroimaging data from two databases of human brains revealed
… The accumulation of MBP in the plasma of morphine-treated female mice suggests that …

Systems biology analyses reveal enhanced chronic morphine distortion of gut-brain interrelationships in simian human immunodeficiency virus infected rhesus …

OA Olwenyi, SD Johnson, M Bidokhti… - Frontiers in …, 2022 - frontiersin.org
brain function. Finally, we provide extra cues as to how morphine further disorganizes gut-brain
Accumulation of CD163 and CD206 alternative microglia could serve as a means to …