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Self-assembled hyaluronic acid nanoparticles: Implications as a nanomedicine for treatment of type 2 diabetes

Authors
Rho, JG; Han, HS; Han, JH; Lee, H; Nguyen, VQ; Lee, WH; Kwon, S; Heo, S; Yoon, J; Shin, HH; Lee, EY; Kang, H; Yang, S; Lee, EK; Park, JH; Kim, W
Citation
Journal of controlled release : official journal of the Controlled Release Society, 279:89-98, 2018
Journal Title
Journal of controlled release : official journal of the Controlled Release Society
ISSN
0168-36591873-4995
Abstract
Self-assembled hyaluronic acid nanoparticles (HA-NPs) have been extensively investigated for biomedical and pharmaceutical applications owing to their biocompatibility and receptor-binding properties. Here, we report that an empty HA-NP itself not bearing any drug has therapeutic effects on adipose tissue inflammation and insulin resistance. HA-NPs inhibited not only the receptor-mediated internalization of low-molecular-weight (LMW) free HA but also LMW free HA-induced pro-inflammatory gene expression in mouse primary bone marrow-derived macrophages (BMDMs) isolated from wild-type mice, but not in CD44-null (CD44-/-) BMDMs. An in vivo biodistribution study showed the distribution of HA-NPs and their co-localization with CD44 in adipose tissues including epididymal white adipose tissues (eWATs), but these were rarely observed in the eWATs of CD44-/- mice. In addition, CD44 expression and HA-NP accumulation in the eWATs were increased in mice with diet-induced obesity (DIO) compared to lean mice. Interestingly, treatment with HA-NPs in DIO mice suppressed adipose tissue inflammation as indicated by reduced macrophage content, the production of proinflammatory cytokines and NLRP3 inflammasome activity in eWATs, leading to improved insulin sensitivity and normalized blood glucose levels. Collectively, these results suggest that an empty HA-NP itself can be a therapeutic agent for the treatment of type 2 diabetes.
Keywords
Self-assembled nanoparticlesHyaluronic acidNanomedicineInflammationInsulin resistanceType 2 diabetes
MeSH terms
Adipose Tissue/drug effectsAdipose Tissue/pathologyAnimalsBlood Glucose/drug effectsCytokines/metabolismDiabetes Mellitus, Type 2/drug therapyDiabetes Mellitus, Type 2/geneticsHyaluronan Receptors/geneticsHyaluronic Acid/administration & dosage*Hyaluronic Acid/pharmacokineticsInflammation/drug therapy*Inflammation/pathologyInsulin ResistanceMacrophages/metabolism*MaleMiceMice, Inbred C57BLMice, Inbred DBAMice, KnockoutNanomedicine/methodsNanoparticles/administration & dosage*Obesity/metabolismTissue Distribution
DOI
10.1016/j.jconrel.2018.04.006
PMID
29649530
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Pharmacology
AJOU Authors
양, 시영
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