Low systemic toxicity nanocarriers fabricated from heparin-mPEG and PAMAM dendrimers for controlled drug release

In this report, poly(amide amine) (PAMAM) dendrimer and Heparin-grafted-monomethoxy polyethylene glycol (HEP-mPEG) were synthesized and characterized. In aqueous solution, the generation 4 PAMAM dendrimers (G4.0-PAMAM) existed as nanoparticles with particle size of 5.63nm. However, after electrostat...

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Veröffentlicht in:Materials Science & Engineering C 2018-01, Vol.82, p.291-298
Hauptverfasser: Thanh, Vu Minh, Nguyen, Thi Hiep, Tran, Tuong Vi, Ngoc, Uyen-Thi Phan, Ho, Minh Nhat, Nguyen, Thi Thinh, Chau, Yen Nguyen Tram, Le, Van Thu, Tran, Ngoc Quyen, Nguyen, Cuu Khoa, Nguyen, Dai Hai
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container_title Materials Science & Engineering C
container_volume 82
creator Thanh, Vu Minh
Nguyen, Thi Hiep
Tran, Tuong Vi
Ngoc, Uyen-Thi Phan
Ho, Minh Nhat
Nguyen, Thi Thinh
Chau, Yen Nguyen Tram
Le, Van Thu
Tran, Ngoc Quyen
Nguyen, Cuu Khoa
Nguyen, Dai Hai
description In this report, poly(amide amine) (PAMAM) dendrimer and Heparin-grafted-monomethoxy polyethylene glycol (HEP-mPEG) were synthesized and characterized. In aqueous solution, the generation 4 PAMAM dendrimers (G4.0-PAMAM) existed as nanoparticles with particle size of 5.63nm. However, after electrostatic complexation with HEP-mPEG to form a core@shell structure G4.0-PAMAM@HEP-mPEG, the size of nanoparticles was significantly increased (73.82nm). The G4.0-PAMAM@HEP-mPEG nanoparticles showed their ability to effectively encapsulate doxorubicin (DOX) for prolonged and controlled release. The cytocompatibility of G4.0-PAMAM@HEP-mPEG nanocarriers was significantly increased compared with its parentally G4.0-PAMAM dendrimer in both mouse fibroblast NIH3T3 and the human tumor HeLa cell lines. DOX was effectively encapsulated into G4.0-PAMAM@HEP-mPEG nanoparticles to form DOX-loaded nanocarriers (DOX/G4.0-PAMAM@HEP-mPEG) with high loading efficiency (73.2%). The release of DOX from DOX/G4.0-PAMAM@HEP-mPEG nanocarriers was controlled and prolonged up to 96h compared with less than 24h from their parentally G4.0-PAMAM nanocarriers. Importantly, the released DOX retained its bioactivity by inhibiting the proliferation of monolayer-cultured cancer HeLa cells with the same degree of fresh DOX. This prepared G4.0-PAMAM@HEP-mPEG nanocarrier can be a potential candidate for drug delivery systems with high loading capacity and low systemic toxicity in cancer therapy.
doi_str_mv 10.1016/j.msec.2017.07.051
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Engineering C</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Thanh, Vu Minh</au><au>Nguyen, Thi Hiep</au><au>Tran, Tuong Vi</au><au>Ngoc, Uyen-Thi Phan</au><au>Ho, Minh Nhat</au><au>Nguyen, Thi Thinh</au><au>Chau, Yen Nguyen Tram</au><au>Le, Van Thu</au><au>Tran, Ngoc Quyen</au><au>Nguyen, Cuu Khoa</au><au>Nguyen, Dai Hai</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Low systemic toxicity nanocarriers fabricated from heparin-mPEG and PAMAM dendrimers for controlled drug release</atitle><jtitle>Materials Science &amp; Engineering C</jtitle><addtitle>Mater Sci Eng C Mater Biol Appl</addtitle><date>2018-01-01</date><risdate>2018</risdate><volume>82</volume><spage>291</spage><epage>298</epage><pages>291-298</pages><issn>0928-4931</issn><eissn>1873-0191</eissn><abstract>In this report, poly(amide amine) (PAMAM) dendrimer and Heparin-grafted-monomethoxy polyethylene glycol (HEP-mPEG) were synthesized and characterized. In aqueous solution, the generation 4 PAMAM dendrimers (G4.0-PAMAM) existed as nanoparticles with particle size of 5.63nm. However, after electrostatic complexation with HEP-mPEG to form a core@shell structure G4.0-PAMAM@HEP-mPEG, the size of nanoparticles was significantly increased (73.82nm). The G4.0-PAMAM@HEP-mPEG nanoparticles showed their ability to effectively encapsulate doxorubicin (DOX) for prolonged and controlled release. The cytocompatibility of G4.0-PAMAM@HEP-mPEG nanocarriers was significantly increased compared with its parentally G4.0-PAMAM dendrimer in both mouse fibroblast NIH3T3 and the human tumor HeLa cell lines. DOX was effectively encapsulated into G4.0-PAMAM@HEP-mPEG nanoparticles to form DOX-loaded nanocarriers (DOX/G4.0-PAMAM@HEP-mPEG) with high loading efficiency (73.2%). The release of DOX from DOX/G4.0-PAMAM@HEP-mPEG nanocarriers was controlled and prolonged up to 96h compared with less than 24h from their parentally G4.0-PAMAM nanocarriers. Importantly, the released DOX retained its bioactivity by inhibiting the proliferation of monolayer-cultured cancer HeLa cells with the same degree of fresh DOX. This prepared G4.0-PAMAM@HEP-mPEG nanocarrier can be a potential candidate for drug delivery systems with high loading capacity and low systemic toxicity in cancer therapy.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>29025661</pmid><doi>10.1016/j.msec.2017.07.051</doi><tpages>8</tpages></addata></record>
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subjects Animals
Bearing strength
Biocompatibility
Biological activity
Cancer
Cancer therapies
Cancer therapy
Cell proliferation
Cell Proliferation - drug effects
Cell Survival - drug effects
Controlled release
Dendrimer
Dendrimers
Dendrimers - chemistry
Doxorubicin
Doxorubicin - chemistry
Doxorubicin - metabolism
Doxorubicin - toxicity
Drug Carriers - chemical synthesis
Drug Carriers - chemistry
Drug Carriers - toxicity
Drug delivery system
Drug delivery systems
Drug Liberation
Encapsulation
HeLa Cells
Heparin
Heparin - chemistry
Humans
Materials science
Mice
MPEG encoders
Nanoparticles
Nanoparticles - chemistry
NIH 3T3 Cells
PAMAM
Particle Size
Polyethylene glycol
Polyethylene Glycols - chemistry
Spectrophotometry
Studies
Toxicity
Tumor cell lines
Video compression
title Low systemic toxicity nanocarriers fabricated from heparin-mPEG and PAMAM dendrimers for controlled drug release
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