Targeted delivery of pharmacological chaperones for Gaucher disease to macrophages by a mannosylated cyclodextrin carrier
作者:Julio Rodríguez-Lavado、Mario de la Mata、José L. Jiménez-Blanco、M. Isabel García-Moreno、Juan M. Benito、Antonio Díaz-Quintana、José A. Sánchez-Alcázar、Katsumi Higaki、Eiji Nanba、Kousaku Ohno、Yoshiyuki Suzuki、Carmen Ortiz Mellet、José M. García Fernández
DOI:10.1039/c3ob42530d
日期:——
Gaucherdisease (GD) is a rare monogenetic disorder leading to dysfunction of acid β-glucosidase (β-glucocerebrosidase; GCase) and accumulation of glucosylceramide in lysosomes, especially in macrophages (Gaucher cells). Many of the mutations at the origin of GD do not impair the catalytic activity of GCase, but cause misfolding and subsequent degradation by the quality control system at the endoplasmic
Glycosidase inhibition by ring-modified castanospermine analogues: tackling enzyme selectivity by inhibitor tailoring
作者:Matilde Aguilar-Moncayo、Tracey M. Gloster、Johan P. Turkenburg、M. Isabel García-Moreno、Carmen Ortiz Mellet、Gideon J. Davies、José M. García Fernández
DOI:10.1039/b906968b
日期:——
mutarotating pseudoanomeric hydroxyl group results in tight-binding β-glucosidase inhibitors with unusual binding signatures; the presence of an N-octyl substituent imparts a remarkable anomeric selectivity, promoting strong binding of the appropriate β-anomer by the β-glucosidase.
Cyclodextrin-mediated crystallization of acid β-glucosidase in complex with amphiphilic bicyclic nojirimycin analogues
作者:Boris Brumshtein、Matilde Aguilar-Moncayo、Juan M. Benito、José M. García Fernandez、Israel Silman、Yoseph Shaaltiel、David Aviezer、Joel L. Sussman、Anthony H. Futerman、Carmen Ortiz Mellet
DOI:10.1039/c1ob05200d
日期:——
aggregates that increase the heterogeneity of the sample and affect nucleation and growth of crystals. Cyclomaltoheptaose (β-cyclodextrin, βCD) efficiently captures NOI-NJ and 6S-NOI-NJ in aqueousmedia to form inclusion complexes in which the lipophilic tail is accommodated in the hydrophobic cavity of the cyclooligosaccharide. The dissociation constant of the complex of the amphiphilic sp2-iminosugars
已经开发了基于环糊精的客体-客体化学试剂,以促进重组人酸性β-葡萄糖苷酶(β-葡萄糖脑苷脂酶,GlcCerase)与sp 2-亚氨基糖类型的两亲性双环诺吉林霉素类似物的共结晶。尝试与5- N,6- O- [ N '-(n-辛基)亚氨基亚甲基] nojirimycin(NOI-NJ)或与5- N,6- S- [ N '-(n-辛基亚氨基甲叉基] -6-噻唑啉霉素(6S-NOI-NJ)是两种有效的酶抑制剂,具有针对一些Gaucher疾病相关突变的有希望的药理伴侣活性,但可能未成功,这可能是由于形成了可增加蛋白异质性的聚集体所致。样品并影响晶体的成核和生长。 环戊庚糖(β-环糊精,βCD)在水性介质中有效捕获NOI-NJ和6S-NOI-NJ形成包合物,亲脂性尾巴容纳在环寡糖的疏水腔中。两亲性sp 2-亚氨基糖与βCD的复合物的解离常数比相应的与GlcCerase的复合物的解离常数高两个数量级,从