CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Nanodiamonds Mediate Oral Delivery of Proteins for Stem Cell Activation and Intestinal Remodeling in Drosophila
Hu, XJ; Li, XJ; Yin, M; Li, P; Huang, P; Wang, LH; Jiang, YG; Wang, H; Chen, N; Fan, CH; Song, HY
2017
Source PublicationACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
Volume9Issue:22Pages:18575-18583
Subtype期刊论文
AbstractIntroduction of exogenous biomacromolecules into living systems is of great interest in genome editing, cancer immunotherapy, and stem cell reprogramming. Whereas current strategies generally depend on nucleic acids transfection, direct delivery of functional proteins that provides enhanced specificity, increased safety, and fast and temporal regulation is highly desirable. Nevertheless, intracellular delivery of intact and bioactive proteins, especially in vivo, remains poorly explored. In this study, we developed a nanodiamonds (NDs)-based protein delivery system in cultured cells and in Drosophila that showed high adsorption, high efficiency, and effective cytosolic release of fully functional proteins. Through live-cell imaging, we observed a novel phenomenon wherein a substantial amount of internalized NDsprotein complex rejected fusion with the early endosome, thereby evading protein degradation in the lysosome. More significantly, we demonstrated that dietary NDsRNase induced apoptosis in enterocytes, stimulating regenerative divisions in intestinal stem cells and increasing the number of stem cells and precursor cells in Drosophila intestine. As stem cells are poorly accessible by exogenous agents in vivo, NDs-mediated oral delivery of proteins provides a new approach to modulate the stem cell microenvironment for intestinal remodeling, which has important implications for colorectal cancer therapy and regenerative medicine.
KeywordWalled Carbon Nanotubes Fluorescent Nanodiamonds Dna Nanostructures Drug-delivery Nanoparticles Cancer Pathway Autophagy Oxide Biocompatibility
DOI10.1021/acsami.7b04788
WOS KeywordWALLED CARBON NANOTUBES ; FLUORESCENT NANODIAMONDS ; DNA NANOSTRUCTURES ; DRUG-DELIVERY ; NANOPARTICLES ; CANCER ; PATHWAY ; AUTOPHAGY ; OXIDE ; BIOCOMPATIBILITY
Indexed BySCI
Language英语
WOS IDWOS:000403136400022
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28745
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
GB/T 7714
Hu, XJ,Li, XJ,Yin, M,et al. Nanodiamonds Mediate Oral Delivery of Proteins for Stem Cell Activation and Intestinal Remodeling in Drosophila[J]. ACS APPLIED MATERIALS & INTERFACES,2017,9(22):18575-18583.
APA Hu, XJ.,Li, XJ.,Yin, M.,Li, P.,Huang, P.,...&Song, HY.(2017).Nanodiamonds Mediate Oral Delivery of Proteins for Stem Cell Activation and Intestinal Remodeling in Drosophila.ACS APPLIED MATERIALS & INTERFACES,9(22),18575-18583.
MLA Hu, XJ,et al."Nanodiamonds Mediate Oral Delivery of Proteins for Stem Cell Activation and Intestinal Remodeling in Drosophila".ACS APPLIED MATERIALS & INTERFACES 9.22(2017):18575-18583.
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