نتایج جستجو برای: peptide analogue
تعداد نتایج: 199665 فیلتر نتایج به سال:
The search for new peptides to be used as analgesics in place of morphine has been mainly directed to develop peptide analogues to have higher biological stability and receptor selectivity. Therefore extensive researches have been carried out on naturally occurring and synthetic opiates in order to enhance the analgesic potency, so we intended to prepare opioiod peptide analogue linked to estro...
Melanocortin-1 (MC1) receptor is an attractive melanoma-specific target for the development of α-MSH peptide based imaging and therapeutic agents. In this work a new lactam bridge α-MSH analogue was synthesized and radiolabeled with 99mTc via HYNIC chelator and tricine as co-ligand. Also, stability in human serum, receptor bound internalization and tissue biodistribution in tumor bearing nude m...
Melanocortin-1 (MC1) receptor is an attractive melanoma-specific target for the development of α-MSH peptide based imaging and therapeutic agents. In this work a new lactam bridge α-MSH analogue was synthesized and radiolabeled with 99mTc via HYNIC chelator and tricine as co-ligand. Also, stability in human serum, receptor bound internalization and tissue biodistribution in tumor bearing nude m...
Recent studies using synthetic altered peptide ligands (Analogues) have led to the fine dissection of TCR-mediated T cell functions elicited by Ag recognition. Certain Analogues behave as full agonists of the antigenic peptide while others are partial agonists in that they only trigger selected T cell functions. Additionally, peptide Analogues can behave as antagonists by inhibiting functions o...
Background: Bombesin shows high affinity for Gastrin-releasing peptide (GRP) receptors which over expressed on the cell surfaces of several human tumors particularly in prostate and breast cancers. The aim of this study was labeling of designed analogue with99mTc via HYNIC and Tricine /EDDA and evaluation as potential targeted tumor scintigraphic agent. Materials and Methods: HYNIC-Bombesin wa...
melanocortin-1 (mc1) receptor is an attractive melanoma-specific target for the development of α-msh peptide based imaging and therapeutic agents. in this work a new lactam bridge α-msh analogue was synthesized and radiolabeled with 99mtc via hynic chelator and tricine as co-ligand. also, stability in human serum, receptor bound internalization and tissue biodistribution in tumor bearing nude m...
background: bombesin shows high affinity for gastrin-releasing peptide (grp) receptors which over expressed on the cell surfaces of several human tumors particularly in prostate and breast cancers. the aim of this study was labeling of designed analogue with99mtc via hynic and tricine /edda and evaluation as potential targeted tumor scintigraphic agent.materials and methods: hynic-bombesin was ...
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