Enhancing immunomodulation on innate immunity by shape transition among RNA triangle, square and pentagon nanovehicles

Emil F. Khisamutdinov; Hui Li; Daniel L. Jasinski; Jiao Chen; Jian Fu; Peixuan Guo

doi:10.1093/nar/gku516

Enhancing immunomodulation on innate immunity by shape transition among RNA triangle, square and pentagon nanovehicles

Emil F. Khisamutdinov, Hui Li, Daniel L. Jasinski, Jiao Chen, Jian Fu, Peixuan Guo

Research output: Contribution to journal › Article › peer-review

101 Scopus citations

Abstract

Modulation of immune response is important in cancer immunotherapy, vaccine adjuvant development and inflammatory or immune disease therapy. Here we report the development of new immunomodulators via control of shape transition among RNA triangle, square and pentagon. Changing one RNA strand in polygons automatically induced the stretching of the interior angle from 60° to 90° or 108°, resulting in self-assembly of elegant RNA triangles, squares and pentagons. When immunological adjuvants were incorporated, their immunomodulation effect for cytokine TNF-α and IL-6 induction was greatly enhanced in vitro and in animals up to 100-fold, while RNA polygon controls induced unnoticeable effect. The RNA nanoparticles were delivered to macrophages specifically. The degree of immunostimulation greatly depended on the size, shape and number of the payload per nanoparticles. Stronger immune response was observed when the number of adjuvants per polygon was increased, demonstrating the advantage of shape transition from triangle to pentagon.

Original language	English
Pages (from-to)	9996-10004
Number of pages	9
Journal	Nucleic Acids Research
Volume	42
Issue number	15
DOIs	https://doi.org/10.1093/nar/gku516
State	Published - Sep 1 2014

Bibliographical note

Funding Information:
We thank Luda Shlyakhtenko for AFM imaging at the Nanoimaging Core Facility supported by the NIH SIG program and the UNMC Program of ENRI to Yuri Lyubchenko; Markey Cancer Center for confocal microscope shared resource facility; University of Kentucky for flow cytometry and cell sorting core facility; Dr. Deneys R. van der Westhuyzen for kindly providing the RAW 264.7 cell line; Jeannie Haak for assistance in manuscript preparation.

Funding Information:
NIH grant R01-EB003730 from National Institute of Biomedical Imaging and Engineering; U01-CA 151648 from National Cancer institute; Funding of Peixuan Guo’s Endowed Chair Position from the William Fairish Endowment Fund.

Publisher Copyright:
© The Author(s) 2014. Published by Oxford University Press on behalf of Nucleic Acids Research.

ASJC Scopus subject areas

Genetics

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1093/nar/gku516

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abstract = "Modulation of immune response is important in cancer immunotherapy, vaccine adjuvant development and inflammatory or immune disease therapy. Here we report the development of new immunomodulators via control of shape transition among RNA triangle, square and pentagon. Changing one RNA strand in polygons automatically induced the stretching of the interior angle from 60° to 90° or 108°, resulting in self-assembly of elegant RNA triangles, squares and pentagons. When immunological adjuvants were incorporated, their immunomodulation effect for cytokine TNF-α and IL-6 induction was greatly enhanced in vitro and in animals up to 100-fold, while RNA polygon controls induced unnoticeable effect. The RNA nanoparticles were delivered to macrophages specifically. The degree of immunostimulation greatly depended on the size, shape and number of the payload per nanoparticles. Stronger immune response was observed when the number of adjuvants per polygon was increased, demonstrating the advantage of shape transition from triangle to pentagon.",

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Enhancing immunomodulation on innate immunity by shape transition among RNA triangle, square and pentagon nanovehicles

Abstract

Bibliographical note

ASJC Scopus subject areas

UN SDGs

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