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Pregled bibliografske jedinice broj: 1313

In vivo enhancement of cytotoxic actitvity of mouse peritoneal macrophages by Met-enkephalin


Gabrilovac, Jelka; Breljak, Davorka; Balog, Tihomir; Marotti, Tanja
In vivo enhancement of cytotoxic actitvity of mouse peritoneal macrophages by Met-enkephalin // Immunology letters, Abstracts of the 13th European Immunology Meeting / Wagner, H. ; Heeg, K. ; Pfeffer K. (ur.).
Amsterdam: Elsevier, 1997. str. 465-465 (poster, međunarodna recenzija, sažetak, znanstveni)


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Naslov
In vivo enhancement of cytotoxic actitvity of mouse peritoneal macrophages by Met-enkephalin
(In vivo enhancement od cytotoxic activity of mouse peritoneal macrophages by Met-enkephalin)

Autori
Gabrilovac, Jelka ; Breljak, Davorka ; Balog, Tihomir ; Marotti, Tanja

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Immunology letters, Abstracts of the 13th European Immunology Meeting / Wagner, H. ; Heeg, K. ; Pfeffer K. - Amsterdam : Elsevier, 1997, 465-465

Skup
13th European Immunology Meeting

Mjesto i datum
Amsterdam, Nizozemska, 22.-25.06.1997

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
met-enkephalin; nitric oxides; peritoneal macrophages; cytotoxicity

Sažetak
Met-enkephalin modulates several functions of macrophages in vitro by binding to opioid receptors expressed on them. However, there is a paucity of data on its ability to alter macrophages function in vivo. In this study, we examined the effect of single systemic i.p. injection of Met-enkephalin (MENK) into CBA mice on the cytotoxic activity and NO secretion of peritoneal macrophages. Involment of opioid receptors in the MENK actions was tested by using opioid receptor antagonist, naloxon (Nx). MENK significantly enhanced cytotoxic activity of peritoneal macrophages. This was associated with enhanced NO production. MENK induced effects were completely (NO release) or partly (cytotoxicity) reversed by naloxone (10mg/kg). However, naloxone by itself acted as an agonists, enhancing macrophage cytotoxicity. Lower Nx doses (2.5 and 5mg/kg) had lower agonistic activity, but were inactive with regrad to the antagonistic ability. The necessity for relatively high naloxone concentration for the reversion of the MENK induced enhancement of macrophages cytotoxicity suggests involment of delta opioid receptors.

Izvorni jezik
Engleski

Znanstvena područja
Temeljne medicinske znanosti, Kliničke medicinske znanosti



POVEZANOST RADA


Projekti:
00981107
00981106

Ustanove:
Institut "Ruđer Bošković", Zagreb

Profili:

Avatar Url Jelka Gabrilovac (autor)

Avatar Url Davorka Breljak (autor)

Avatar Url Tihomir Balog (autor)

Avatar Url Tatjana Marotti (autor)


Citiraj ovu publikaciju:

Gabrilovac, Jelka; Breljak, Davorka; Balog, Tihomir; Marotti, Tanja
In vivo enhancement of cytotoxic actitvity of mouse peritoneal macrophages by Met-enkephalin // Immunology letters, Abstracts of the 13th European Immunology Meeting / Wagner, H. ; Heeg, K. ; Pfeffer K. (ur.).
Amsterdam: Elsevier, 1997. str. 465-465 (poster, međunarodna recenzija, sažetak, znanstveni)
Gabrilovac, J., Breljak, D., Balog, T. & Marotti, T. (1997) In vivo enhancement of cytotoxic actitvity of mouse peritoneal macrophages by Met-enkephalin. U: Wagner, H., Heeg, K. & Pfeffer K. (ur.)Immunology letters, Abstracts of the 13th European Immunology Meeting.
@article{article, author = {Gabrilovac, Jelka and Breljak, Davorka and Balog, Tihomir and Marotti, Tanja}, year = {1997}, pages = {465-465}, keywords = {met-enkephalin, nitric oxides, peritoneal macrophages, cytotoxicity}, title = {In vivo enhancement of cytotoxic actitvity of mouse peritoneal macrophages by Met-enkephalin}, keyword = {met-enkephalin, nitric oxides, peritoneal macrophages, cytotoxicity}, publisher = {Elsevier}, publisherplace = {Amsterdam, Nizozemska} }
@article{article, author = {Gabrilovac, Jelka and Breljak, Davorka and Balog, Tihomir and Marotti, Tanja}, year = {1997}, pages = {465-465}, keywords = {met-enkephalin, nitric oxides, peritoneal macrophages, cytotoxicity}, title = {In vivo enhancement od cytotoxic activity of mouse peritoneal macrophages by Met-enkephalin}, keyword = {met-enkephalin, nitric oxides, peritoneal macrophages, cytotoxicity}, publisher = {Elsevier}, publisherplace = {Amsterdam, Nizozemska} }




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