Inflammation without pain: Immunederived opioids hold the key

SE Carbone, DP Poole - Neurogastroenterology & Motility, 2020 - Wiley Online Library
… a peripherally restricted opioid receptor … opioids by colitogenic CD4 + T cells present in the
mucosa. This mini‐review provides a brief overview of analgesia by immunederived opioids

Peripherally acting opioid analgesics and peripherally-induced analgesia

V Martínez, R Abalo - Behavioural Pharmacology, 2020 - ingentaconnect.com
… central nervous system (CNS) penetration (and therefore a reduced side effect profile) yet
maintaining the desired opioid-related peripheral antinociceptive activity. These include highly …

[HTML][HTML] Peripherally acting opioids in orofacial pain

Q Liu, H He, L Mai, S Yang, W Fan… - Frontiers in Neuroscience, 2021 - frontiersin.org
… Additionally, intrathecal morphine results in a reduction in the number of β-endorphin-containing
cells within the inflamed tissues, and peripheral endogenous antinociceptive effects are …

Peripheral opioid receptor blockade enhances epithelial damage in piroxicam-accelerated colitis in IL-10-deficient mice

X Mas-Orea, M Sebert, M Benamar, C Petitfils… - International Journal of …, 2021 - mdpi.com
Immune-derived opioids exhibit anti-inflammatory activities in Th1/Th17-driven colitis because
of their propensity to favor the commitment of lymphocytes towards a Th2 phenotype [45,…

[HTML][HTML] Proenkephalin deletion in hematopoietic cells induces intestinal barrier failure resulting in clinical feature similarities with irritable bowel syndrome in mice

X Mas-Orea, L Rey, L Battut, C Bories… - Communications …, 2023 - nature.com
… in which the mucosal opioid tone is dramatically reduced … colonic sensory afferents by
immune-derived opioids in IBS, β-… be hypothesized that a reduced opioid tone delays mucosal …

[HTML][HTML] Pain management in a model of Interstitial Cystitis/Bladder Pain Syndrome by a vaccinal strategy

C Augé, L Basso, C Blanpied, N Vergnolle… - Frontiers in Pain …, 2021 - frontiersin.org
… a novel antinociceptive strategy exploiting the opioid-mediated … -methiodide, a peripheral
opioid receptor antagonist. Similarly, … We show opioid-dependent analgesic properties of local …

[HTML][HTML] Which idea is better with regard to immune response? Opioid anesthesia or opioid free anesthesia

B Lisowska, J Jakubiak, K Siewruk… - Journal of …, 2020 - Taylor & Francis
… In this review, we discuss the influence of either opioids or non-opioid analgesics used
under opioid-free anesthesia (OFA) on the immune response to surgical stress as described in …

IMT504 provides analgesia by modulating cell infiltrate and inflammatory milieu in a chronic pain model

C Leiguarda, C Potilinski, J Rubione, P Tate… - Journal of Neuroimmune …, 2021 - Springer
… by the simultaneous action of several immune-derived ligands upon nociceptors. This explains
the … effect of IMT504 over other endogenous opioid peptides. Even though lymphoid cells …

[HTML][HTML] Neurotransmitters: promising immune modulators in the tumor microenvironment

L Xiao, X Li, C Fang, J Yu, T Chen - Frontiers in Immunology, 2023 - frontiersin.org
… Endorphin, encephalin, and dynorphin, known as endogenous opioids or opioid peptides,
are … Opioid substances exerted a chief immunosuppressive effect on anti-tumor immunity …

[HTML][HTML] Changes in corneal innervation and pain responses in fungal keratitis

CJ Ren, YF Zhou, Y Wu, XD Peng, C Li… - International Journal …, 2020 - ncbi.nlm.nih.gov
… In acute inflammation, opioid peptides are almost … the opioid peptide is released, it acts on
the corresponding receptors of peripheral sensory nerve endings to trigger antinociception[12]…