Unknown,Transcriptomics,Genomics,Proteomics

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Gene Expression upon Doxorubicin Treatments


ABSTRACT: Murine C26 tumor xenografts displayed different responses to the treatments of PBS, Doxorubicin (Dox), and chimeric polypeptide (CP)-Dox conjugates. We used microarrays to globally study gene expression underlying these different responses and identified distinct classes of up-regulated or down-regulated genes upon treatment. C26 murine colon carcinoma xenografts were analyzed at 48 hours after treatment with CP-Dox, free Dox, and PBS (control). This study involved four replicates of each treatment.

ORGANISM(S): Mus musculus

SUBMITTER: ASHUTOSH CHILKOTI 

PROVIDER: E-GEOD-17115 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Self-assembling chimeric polypeptide-doxorubicin conjugate nanoparticles that abolish tumours after a single injection.

MacKay J Andrew JA   Chen Mingnan M   McDaniel Jonathan R JR   Liu Wenge W   Simnick Andrew J AJ   Chilkoti Ashutosh A  

Nature materials 20091108 12


New strategies to self-assemble biocompatible materials into nanoscale, drug-loaded packages with improved therapeutic efficacy are needed for nanomedicine. To address this need, we developed artificial recombinant chimeric polypeptides (CPs) that spontaneously self-assemble into sub-100-nm-sized, near-monodisperse nanoparticles on conjugation of diverse hydrophobic molecules, including chemotherapeutics. These CPs consist of a biodegradable polypeptide that is attached to a short Cys-rich segme  ...[more]

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