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Synergistic clearance of intracellular pathogens by hyaluronan-streptomycin micelles encapsulated with rapamycin.

Identifieur interne : 000223 ( Main/Exploration ); précédent : 000222; suivant : 000224

Synergistic clearance of intracellular pathogens by hyaluronan-streptomycin micelles encapsulated with rapamycin.

Auteurs : Yuanhao Qiu [République populaire de Chine] ; Chunbo Lu [République populaire de Chine] ; Peng Chen [République populaire de Chine] ; Feifei Sun [République populaire de Chine] ; Dongdong Wang [République populaire de Chine] ; Zhaojie Wang [République populaire de Chine] ; Chunyan Hou [République populaire de Chine] ; Haibo Mu [République populaire de Chine] ; Jinyou Duan [République populaire de Chine]

Source :

RBID : pubmed:30732772

Descripteurs français

English descriptors

Abstract

Many pathogenic bacteria can invade phagocytic and non-phagocytic cells and colonize inside, which protects them from the attack by host immune system and antibiotics. A novel amphiphilic molecule was synthesized through conjugation of streptomycin and decylamine to hyaluronan. Rapamycin was encapsulted by the spontaneous self-assembly of hyaluronan-based amphiphilic molecules. The newly formed micelles not only facilitated the entry of drugs into host cells in part via CD44 phagocytic receptor, released streptomycin in the acidic compartment, but also could activate autophagy. The micelles elicited an efficient killing capacity against intracellular bacteria through the promotion of streptomycin uptake and rapamycin-initiated activation of autophagy. This strategy might highlight an acid-sensitive hyaluronan-based drug delivery system for effective treatment of intracellular infections.

DOI: 10.1016/j.carbpol.2019.01.068
PubMed: 30732772


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Le document en format XML

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<term>Animals (MeSH)</term>
<term>Autophagy (drug effects)</term>
<term>Capsules (MeSH)</term>
<term>Drug Carriers (chemistry)</term>
<term>Drug Liberation (MeSH)</term>
<term>Drug Synergism (MeSH)</term>
<term>Hyaluronic Acid (chemistry)</term>
<term>Hydrophobic and Hydrophilic Interactions (MeSH)</term>
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<term>Intracellular Space (microbiology)</term>
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<term>Acide hyaluronique (composition chimique)</term>
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<div type="abstract" xml:lang="en">Many pathogenic bacteria can invade phagocytic and non-phagocytic cells and colonize inside, which protects them from the attack by host immune system and antibiotics. A novel amphiphilic molecule was synthesized through conjugation of streptomycin and decylamine to hyaluronan. Rapamycin was encapsulted by the spontaneous self-assembly of hyaluronan-based amphiphilic molecules. The newly formed micelles not only facilitated the entry of drugs into host cells in part via CD44 phagocytic receptor, released streptomycin in the acidic compartment, but also could activate autophagy. The micelles elicited an efficient killing capacity against intracellular bacteria through the promotion of streptomycin uptake and rapamycin-initiated activation of autophagy. This strategy might highlight an acid-sensitive hyaluronan-based drug delivery system for effective treatment of intracellular infections.</div>
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<Keyword MajorTopicYN="N">Autophagy</Keyword>
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<li>République populaire de Chine</li>
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<name sortKey="Qiu, Yuanhao" sort="Qiu, Yuanhao" uniqKey="Qiu Y" first="Yuanhao" last="Qiu">Yuanhao Qiu</name>
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<name sortKey="Chen, Peng" sort="Chen, Peng" uniqKey="Chen P" first="Peng" last="Chen">Peng Chen</name>
<name sortKey="Duan, Jinyou" sort="Duan, Jinyou" uniqKey="Duan J" first="Jinyou" last="Duan">Jinyou Duan</name>
<name sortKey="Hou, Chunyan" sort="Hou, Chunyan" uniqKey="Hou C" first="Chunyan" last="Hou">Chunyan Hou</name>
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<name sortKey="Mu, Haibo" sort="Mu, Haibo" uniqKey="Mu H" first="Haibo" last="Mu">Haibo Mu</name>
<name sortKey="Sun, Feifei" sort="Sun, Feifei" uniqKey="Sun F" first="Feifei" last="Sun">Feifei Sun</name>
<name sortKey="Wang, Dongdong" sort="Wang, Dongdong" uniqKey="Wang D" first="Dongdong" last="Wang">Dongdong Wang</name>
<name sortKey="Wang, Zhaojie" sort="Wang, Zhaojie" uniqKey="Wang Z" first="Zhaojie" last="Wang">Zhaojie Wang</name>
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</record>

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