Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Fernando L. Renaud"'
Autor:
Manuel Delgado-Vélez, Yarelis Robles, Eddy Ríos-Olivares, José W. Rodríguez, Irmarie Morales, Ana M. Lugo-Chinchilla, Nimaris Bruno, Fernando L. Renaud, Luis Lizardo, Miguel Correa
Publikováno v:
Journal of Neuroimmunology. 196:94-100
We have shown previously that whereas acute exposure of cultured murine peritoneal macrophages inhibits phagocytosis, chronic exposure results in a putative tolerant/dependent state. We now report similar observations using human cultured monocyte-de
Publikováno v:
The Journal of Eukaryotic Microbiology. 51:60-65
Morphine and other opioids have been reported to modulate phagocytosis in the ciliate Tetrahymena. However, the endogenous signaling molecule responsible for these effects remains uncharacterized. In this work we present evidence for the presence of
Publikováno v:
Journal of Neuroimmunology. 136:9-16
Studies with selective opioid agonists show that mu- and delta(2)-opioid receptors, but not kappa, are involved in opioid inhibition of phagocytosis in elicited murine macrophages. All mu and delta(2) agonists tested had similar maximal effects on ph
Publikováno v:
Journal of Eukaryotic Microbiology. 40:800-804
A pharmacological characterization has been performed of the opioid receptor involved in modulation of phagocytosis in the protozoan ciliate Tetrahymena. Studies on inhibition of phagocytosis by mammalian prototypic opioid agonists revealed that morp
Publikováno v:
Advances in Experimental Medicine and Biology ISBN: 0306464667
Macrophages are an important component of the immune system since they are part of both innate and cellular immune responses (Rooijen and Sanders, 1997). It is well documented that macrophage activation results in enhancement of antimicrobial and ant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::978ad1d1851650222d5e7fdcda85dfa7
https://doi.org/10.1007/0-306-47611-8_13
https://doi.org/10.1007/0-306-47611-8_13
Autor:
Cristhian J Ildefonso, Dennise Báez, Fernando L. Renaud, Mariella Vélez, Ana M. Lugo-Chinchilla
Publikováno v:
Journal of neuroimmunology. 176(1-2)
Alterations in opioid signaling that take place in murine peritoneal macrophages in vitro are variably dependent on opiate exposure conditions. Acute exposure to morphine inhibits Fc-mediated phagocytosis by a pertussis toxin (PT)-sensitive mechanism
Publikováno v:
Journal of neuroimmunology. 147(1-2)
Previous studies have shown that acute exposure to morphine and other opioids inhibits both non-opsonic (Rojavin et al., 1993; Szabo et al., 1993) and Fc-mediated (Casellas et al., 1991; Tomei and Renaud, 1997) phagocytosis by murine peritoneal macro
Autor:
Fernando L. Renaud, Carmen L. Cadilla, José A. Lebrón, Iris Colon, Nerian Ortiz, Fernando Rodriguez
Publikováno v:
The Journal of Eukaryotic Microbiology. 42:205-207
We have previously reported that a beta-endorphin-like substance inhibits phagocytosis in Tetrahymena perhaps by a mu-like opioid receptor. We now report a further characterization of the elements involved in the signal transduction mechanism of this
Publikováno v:
Drug and alcohol dependence. 58(1-2)
Proneness of addicts to infections may be partially due to opiate effects on immune cells. We find that acute morphine inhibits phagocytosis in murine peritoneal macrophages in vitro with apparent desensitization at high concentrations, whereas chron
Autor:
Enid Z. Tomei, Fernando L. Renaud
Publikováno v:
Journal of neuroimmunology. 74(1-2)
Acute exposure to morphine has been shown to inhibit phagocytosis in murine macrophages, whereas chronic exposure results in apparent desensitization. We now show that morphine may be either inhibitory or stimulatory depending on concentration and ex