Enhanced intracellular peptide delivery by multivalent cell-penetrating peptide with bioreducible linkage

2018 ◽  
Vol 28 (3) ◽  
pp. 378-381 ◽  
Author(s):  
Hyungjin Kim ◽  
Mizuki Kitamatsu ◽  
Takashi Ohtsuki
2007 ◽  
Vol 35 (4) ◽  
pp. 775-779 ◽  
Author(s):  
R. Abes ◽  
A.A. Arzumanov ◽  
H.M. Moulton ◽  
S. Abes ◽  
G.D. Ivanova ◽  
...  

Cationic CPPs (cell-penetrating peptides) have been used largely for intracellular delivery of low-molecular-mass drugs, biomolecules and particles. Most cationic CPPs bind to cell-associated glycosaminoglycans and are internalized by endocytosis, although the detailed mechanisms involved remain controversial. Sequestration and degradation in endocytic vesicles severely limits the efficiency of cytoplasmic and/or nuclear delivery of CPP-conjugated material. Re-routing the splicing machinery by using steric-block ON (oligonucleotide) analogues, such as PNAs (peptide nucleic acids) or PMOs (phosphorodiamidate morpholino oligomers), has consequently been inefficient when ONs are conjugated with standard CPPs such as Tat (transactivator of transcription), R9 (nona-arginine), K8 (octalysine) or penetratin in the absence of endosomolytic agents. New arginine-rich CPPs such as (R-Ahx-R)4 (6-aminohexanoic acid-spaced oligo-arginine) or R6 (hexa-arginine)–penetratin conjugated to PMO or PNA resulted in efficient splicing correction at non-cytotoxic doses in the absence of chloroquine. SAR (structure–activity relationship) analyses are underway to optimize these peptide delivery vectors and to understand their mechanisms of cellular internalization.


2015 ◽  
Vol 13 (1) ◽  
pp. 55-62 ◽  
Author(s):  
Tayebeh Saleh ◽  
Azam Bolhassani ◽  
Seyed Abbas Shojaosadati ◽  
Saman Hosseinkhani

2014 ◽  
Vol 85 (5) ◽  
pp. 1369-1380 ◽  
Author(s):  
X. X. Yang ◽  
X. N. Hou ◽  
B. Xu ◽  
X. Hao ◽  
G. J. Jiang ◽  
...  

2005 ◽  
Vol 145 (8) ◽  
pp. 1093-1102 ◽  
Author(s):  
Simon W Jones ◽  
Richard Christison ◽  
Ken Bundell ◽  
Catherine J Voyce ◽  
Sarah M V Brockbank ◽  
...  

2020 ◽  
Vol 1 (2) ◽  
pp. 100014 ◽  
Author(s):  
Anja Henning-Knechtel ◽  
Sunil Kumar ◽  
Cecilia Wallin ◽  
Sylwia Król ◽  
Sebastian K.T.S. Wärmländer ◽  
...  

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