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231222s1999 xx ||||| 00| ||eng c |
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|a pubmed25n0349.xml
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|a (NLM)10527694
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Nelson, C J
|e verfasserin
|4 aut
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| 245 |
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|a Enhancement of the contact hypersensitivity reaction by acute morphine administration at the elicitation phase
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| 264 |
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|c 1999
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 23.11.1999
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|a Date Revised 21.11.2013
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|a published: Print
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|a Citation Status MEDLINE
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| 520 |
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|a Copyright 1999 Academic Press.
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|a The present study investigated the effects of morphine on the irritant contact sensitivity (ICS) and contact hypersensitivity (CHS) reaction. ICS was induced by croton oil application on the pinnae of naïve rats. Morphine injected prior to croton oil application did not affect the ICS response when assessed by measurements of pinnae thickness. CHS was induced by applying the antigen 2,4-dinitro-1-fluorobenzene (DNFB) to the pinnae of rats sensitized to DNFB. Rats received an injection of morphine prior to either initial antigen exposure (sensitization) or antigen reexposure (challenge). Morphine prior to challenge, but not sensitization, resulted in a pronounced enhancement of the CHS response as measured by pinna thickness. Quantitative PCR also showed increased IFN-gamma mRNA levels in the inflamed tissue of morphine-treated rats. Naltrexone blocked the morphine-induced enhancement of the CHS response. The differential effects of morphine suggest that opioids have a more pronounced effect on in vivo immune responses that involve immunological memory
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|a Journal Article
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|a Research Support, U.S. Gov't, P.H.S.
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| 650 |
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|a Naltrexone
|2 NLM
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| 650 |
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|a 5S6W795CQM
|2 NLM
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| 650 |
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|a Morphine
|2 NLM
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| 650 |
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|a 76I7G6D29C
|2 NLM
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| 650 |
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|a Croton Oil
|2 NLM
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| 650 |
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|a 8001-28-3
|2 NLM
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| 650 |
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|a Interferon-gamma
|2 NLM
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| 650 |
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|a 82115-62-6
|2 NLM
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| 650 |
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|a Dinitrofluorobenzene
|2 NLM
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| 650 |
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|a D241E059U6
|2 NLM
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| 700 |
1 |
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|a How, T
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lysle, D T
|e verfasserin
|4 aut
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| 773 |
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8 |
|i Enthalten in
|t Clinical immunology (Orlando, Fla.)
|d 1999
|g 93(1999), 2 vom: 01. Nov., Seite 176-83
|w (DE-627)NLM098196855
|x 1521-6616
|7 nnns
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| 773 |
1 |
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|g volume:93
|g year:1999
|g number:2
|g day:01
|g month:11
|g pages:176-83
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