Avtor/Urednik     Sollner, Marija; Štalc, Anton; Simčič, Saša; Wraber, Branka; Kotnik, Vladimir; Povšič, Lučka; Urleb, Uroš
Naslov     The immunomodulatory characteristics of phthalimido desmuramyl dipeptides
Prevedeni naslov     Imunomodulacijske karakteristike ftalimido dezmuramil dipeptidov
Tip     članek
Vir     Acta Pharm Zagreb
Vol. in št.     Letnik 51, št. 2
Leto izdaje     2001
Obseg     str. 95-106
Jezik     eng
Abstrakt     In search of therapeutically useful muramyl dipeptide related analogues, a series of phthalimido desmuramyl dipeptides has been synthesized. Immunobiological properties of compounds were examined in an in vivo immunorestoration test. LK-413 and LK-423 were selected for further ex vivo immunological studies to investigate their ability to influence the IL-2 production and activation of macrophages. Jernes plaque forming cells assay was performed to monitor the effect of B cell differentiation. Blast transformation of T cells stimulated with ConA was used to detect the influence on T lymphocytes. The immunossupressive or immunostimulating activity of the compounds tested can be interpreted as a result of attachment of different parts of the molecule to different immunocompetent cells that show their specific responses in a dose dependent manner.
Izvleček     V iskanju terapevtsko uporabnih analogov muramil dipeptida smo sintetizirali serijo ftalimidnih dezmuramil dipeptidov. Imunološke lastnosti smo preizkusili v in vivo testu imunorestavracije. Spojini LK-413 in LK-423 sta bili na tej osnovi izbrani za nadaljnje ex vivo imunološke preiskave, da bi ugotovili njihov vpliv na produkcijo IL-2 in aktivacijo makrofagov. Jernov test blastne transformacije smo uporabili za spremljanje vpliva spojin na diferenciacijo celic B, vpliv na celice T pa smo vrednotili z blastno transformacijo limfocitov T po aktivaciji s ConA. Imunozaviralno ali imunospodbujevalno delovanje testiranih spojin lahko razložimo kot rezultat vezave različnih delov iste molekule na različne celice imunskega sistema. Jakost njihovega odziva je odvisna od odmerka testiranih spojin.
Deskriptorji     PHTHALIMIDES
ACETYLMURAMYL-ALANYL-ISOGLUTAMINE
INTERLEUKIN-2
MACROPHAGE ACTIVATION
LYMPHOCYTE TRANSFORMATION
HEMOLYTIC PLAQUE TECHNIQUE
MICE