Branched amphiphilic peptide capsules: cellular uptake and retention of encapsulated solutes.

Branched amphiphilic peptide capsules: cellular uptake and retention of encapsulated solutes.
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分支的两亲性肽胶囊:细胞摄取和封装溶质的保留。

DOI:
10.1016/j.bbamem.2014.02.005
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发表时间:
2014-09
影响因子:
3.4
通讯作者:
Tomich, John M.
Tomich, John M.
中科院分区:
生物学3区
文献类型:
--
作者:
Sukthankar, Pinaldn;Avila, L. Adriana;Whitaker, Susan K.;Iwamoto, Takeo;Morgenstern, Alfred;Apostolidis, Christos;Liu, Ke;Hanzlik, Robert P.;Dadachova, Ekaterina;Tomich, John M.

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支链两亲肽胶囊(BAPCs)是由等摩尔比例的两个支链肽序列his (FLIVI)-K-KKKK和bis(FLIVIGSII)-K-KKKK组成的肽纳米球,它们自组装形成双层分隔胶囊。在最近的两篇文章中,我们描述了我们的bapc的脂质类似特性,检查了它们的初始组装、融合模式、溶质包封和调整大小,并描述了它们通过在4°C下储存而保持特定尺寸的能力。在本报告中,我们描述了BAPCs的稳定性、包封的尺寸限制、细胞定位、保留和体内生物分布。我们的结构能够保留α粒子发射的放射性核素而没有任何明显的泄漏,并且它们在细胞的核周围区域持续很长一段时间,再加上它们易于制备和潜在的可调谐性,使它们成为使用粒子发射放射性同位素靶向癌症治疗的生物相容性载体。这篇文章是题为“界面活性肽和蛋白质”的特刊的一部分。
Branched amphiphilic peptide capsules (BAPCs) are peptide nanospheres comprised of equimolar proportions of two branched peptide sequences bis(FLIVI)-K-KKKK and bis(FLIVIGSII)-K-KKKK that self-assemble to form bi-layer delimited capsules. In two recent publications we described the lipid analogous characteristics of our BAPCs, examined their initial assembly, mode of fusion, solute encapsulation, and resizing and delineated their capability to be maintained at a specific size by storing them at 4 °C. In this report we describe the stability, size limitations of encapsulation, cellular localization, retention and, bio-distribution of the BAPCs in vivo. The ability of our constructs to retain alpha particle emitting radionuclides without any apparent leakage and their persistence in the peri-nuclear region of the cell for extended periods of time, coupled with their ease of preparation and potential tune-ability, makes them attractive as biocompatible carriers for targeted cancer therapy using particle emitting radioisotopes. This article is part of a Special Issue entitled: Interfacially active peptides and proteins.
DOI: 10.1021/mp800051m
发表时间: 2008-07
影响因子: 4.9
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DOI: 10.1021/la401885t
发表时间: 2013-08-20
期刊: LANGMUIR
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发表时间: 1993-11-01
期刊: PROTEIN SCIENCE
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发表时间: 1994-01-18
影响因子: 11.1
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