2009
DOI: 10.1002/cbic.200900017
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Mitochondria‐Penetrating Peptides: Sequence Effects and Model Cargo Transport

Abstract: A class of mitochondria-penetrating peptides (MPPs) was studied in an effort to optimize their applications in the delivery of bioactive cargo to this therapeutically important organelle. The sequence requirements for mitochondrial entry were monitored, and it was discovered that while an alternating cationic/hydrophobic residue motif is not required, the inclusion of a stretch of adjacent cationic amino acids can impede access to the organelle. In addition, a variety of N- and C-terminal cargo were tested to … Show more

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Cited by 146 publications
(120 citation statements)
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“…5a). To ensure their targeting to mitochondria, we coupled these peptides with a MPP sequence (F-R-Cha-K-F-R-Cha-K, Cha, cyclohexylalanine), which was shown to allow both translocation of the plasma membrane and mitochondrial targeting with high specificity 28 . Since its original description, this MPP has been shown to allow the mitochondrial-specific delivery of a wide array of cargos, including fluorescent labels or drugs 29,30 , and its mitochondrial targeting properties have been observed by solid-state nuclear magnetic resonance 31 .…”
Section: Articlementioning
confidence: 99%
“…5a). To ensure their targeting to mitochondria, we coupled these peptides with a MPP sequence (F-R-Cha-K-F-R-Cha-K, Cha, cyclohexylalanine), which was shown to allow both translocation of the plasma membrane and mitochondrial targeting with high specificity 28 . Since its original description, this MPP has been shown to allow the mitochondrial-specific delivery of a wide array of cargos, including fluorescent labels or drugs 29,30 , and its mitochondrial targeting properties have been observed by solid-state nuclear magnetic resonance 31 .…”
Section: Articlementioning
confidence: 99%
“…Esta abordagem tem sido bem sucedida, dirigindo uma variedade de proteínas para a mitocôndria, a fim de estudar uma ampla gama de fenômenos biológicos 115 160,157 .…”
Section: A Mitocôndria: Alvo Terapêutico Específicounclassified
“…Este peptídeo facilita a entrega intracelular de diversas cargas, como drogas com permeabilidade celular limitada, biomoléculas maiores e até mesmo biomoléculas transportadoras, como lipossomos e nanopartículas 163 . A exclusão dos aminoácidos básicos (Y e G) gera o peptídeo Tat (49)(50)(51)(52)(53)(54)(55)(56)(57), que pode penetrar a membrana hidrofóbica da mitocôndria 157 . Recentemente, observou-se que as proteínas Tat-acopladas podem ultrapassar o principal obstáculo no tratamento do câncer ao cérebro, a barreira hematoencefálica 164,165 .…”
Section: A Mitocôndria: Alvo Terapêutico Específicounclassified
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