Novel, potent, and radio-iodinatable somatostatin receptor 1 (sst1) selective analogues.

Novel, potent, and radio-iodinatable somatostatin receptor 1 (sst1) selective analogues.
复制标题

DOI:
10.1021/jm801314f
复制
发表时间:
2009-05-14
影响因子:
7.3
通讯作者:
Reubi JC
Reubi JC
中科院分区:
医学1区
文献类型:
--
作者:
Erchegyi J;Cescato R;Grace CR;Waser B;Piccand V;Hoyer D;Riek R;Rivier JE;Reubi JC

文献摘要

参考文献

被引文献

相似文献

建议sst 1药效团来自一个家庭的单和双环十一聚体的NMR结构被用来设计八,七和六聚体生长抑素sst 1受体具有高亲和力和选择性。这些化合物进行了测试,其在体外结合特性的所有五个生长抑素(SRIF)受体使用受体放射自显影;那些具有高SRIF受体亚型1(sst 1)的亲和力和选择性被证明是激动剂时,功能测试荧光素酶报告基因测定。对Des-AA 1,4- 6,10,12,13-[DTyr 2,DAg 1(NMe,2 naphthoyl)8,IAmp 9]-SRIF-Thr-NH 2(25)进行放射性碘标记(125 I-25),并特异性标记sst 1表达细胞和组织。在DMSO中计算des-AA 1,4- 6,10,12,13-[DPhe 2,DTrp 8,IAmp 9]-SRIF-Thr-NH 2(16)、des-AA 1,2,4- 6,10,12,13-[DAg 1(NMe,2萘甲酰基)8,IAmp 9]-SRIF-Thr-NH 2(23)和des-AA 1,2,4- 6,10,12,13-[DAg 1(NMe,2萘甲酰基)8,IAmp 9,Tyr 11]-SRIF-NH 2(27)的3D NMR结构。虽然类似物的SST 1药效团残基在先前确定的距离彼此,在16,23和27中的芳香族残基的定位是不同的,从前面描述的提示这些新的,较少约束的SST 1选择性家族成员的SST 1结合的诱导适合机制。
The proposed sst1 pharmacophore derived from the NMR structures of a family of mono- and dicyclic undecamers was used to design octa-, hepta- and hexamers with high affinity and selectivity for the somatostatin sst1 receptor. These compounds were tested for their in vitro binding properties to all five somatostatin (SRIF) receptors using receptor autoradiography; those with high SRIF receptor subtype 1 (sst1) affinity and selectivity were shown to be agonists when tested functionally in a luciferase reporter gene assay. Des-AA1,4-6,10,12,13-[DTyr2,DAgl(NMe,2naphthoyl)8,IAmp9]-SRIF-Thr-NH2 (25) was radio-iodinated (125I-25) and specifically labeled sst1-expressing cells and tissues. 3D NMR structures were calculated for des-AA1,4-6,10,12,13-[DPhe2,DTrp8,IAmp9]-SRIF-Thr-NH2 (16), des-AA1,2,4-6,10,12,13-[DAgl(NMe,2naphthoyl)8,IAmp9]-SRIF-Thr-NH2 (23) and des-AA1,2,4-6,10,12,13-[DAgl(NMe,2naphthoyl)8,IAmp9,Tyr11]-SRIF-NH2 (27) in DMSO. Though the analogues have the sst1 pharmacophore residues at the previously determined distances from each other, the positioning of the aromatic residues in 16, 23 and 27 is different from that described earlier suggesting an induced fit mechanism for sst1 binding of these novel, less constrained sst1-selective family members.
DOI: 10.1021/jm049518u
发表时间: 2005-01-27
影响因子: 7.3
作者:
Grace, CRR;Durrer, L;Riek, R
通讯作者: Riek, R
DOI: 10.1021/jm030246p
发表时间: 2003-12-18
影响因子: 7.3
作者:
Grace, CRR;Koerber, SC;Riek, R
通讯作者: Riek, R
DOI: 10.1111/j.1365-2362.2007.01848.x
发表时间: 2007-09-01
影响因子: 5.5
作者:
Bocci, G.;Culler, M. D.;Del Tacca, M.
通讯作者: Del Tacca, M.
DOI: 10.1002/bip.21060
发表时间: 2008-12-01
期刊: BIOPOLYMERS
影响因子: 2.9
作者:
Grace, Christy Rani R.;Erchegyi, Judit;Riek, Roland
通讯作者: Riek, Roland
DOI: 10.1016/0304-3940(89)90350-9
发表时间: 1989-09-25
影响因子: 2.5
作者:
BASKIN, DG;WIMPY, TH
通讯作者: WIMPY, TH