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Grafted Hyaluronic Acid Nanogel for the Incorporation of Poly(I:C) as an Immunostimulatory Adjuvant

Abstract

Nararat Kotcharat, Penpimol Charoenkanburkang, Jittima Amie Luckanagul.

The aim of this research was to develop a nanogel formulation-based on modified natural polymer, hyaluronic acid (HA), as biodegradable material for adjuvant delivery. Polyinosinic:polycytidylic acid (poly(I:C)) have been approved by FDA as promising adjuvant candidate for the TLR3 (Toll-Like Receptor 3) activation to induce of effective immune system. However, it suffers from being poor stability and is subjected to rapid enzymatic hydrolysis in serum, so that it requires high administered dose leading to the adverse effects. To augment the adjuvant stability and protection from the degradation, the nano-particulate carriers were herein designed with self-assembly of HA scaffold grafted with poly (N-isopropylacrylamide), or pNIPAM. The grafting was processed through amide formation using the coupling agent (EDC/NHS). 1H NMR was carried out to confirm the modified products (HA-g-pNI). The physical incorporation of the nucleic acid into the grafted HA nanogel was achieved by incubation method with the poly(I:C) concentrations of 0.2, 1, and 10 (μg ml-1) in formulations by using 0.1, 0.25, and 0.5 (%w/v) of HA-g-pNI to form the nanogel particles. The mean size, size distribution and surface charge of the nanogel particles were determined by dynamic light scattering (DLS). The particle morphology was investigated by transmission electron microscopy (TEM). Results demonstrated that HA-g-pNI with 4% degree of substitution were formed into nearly spherical nanogel particles with the size of approximately submicron range. The particles presented negative value in zeta-potential showing that poly(I:C) was entrapped. Moreover, we founded that the size and PDI of particles were decreased upon continuous incubation. The development of this poly(I:C)-loaded grafted HA nanogel will lead to the new generation of smart materials that can be functionalized and optimized for different medical purposes.

How to Cite this Article
Pubmed Style

Nararat Kotcharat, Penpimol Charoenkanburkang, Jittima Amie Luckanagul. Grafted Hyaluronic Acid Nanogel for the Incorporation of Poly(I:C) as an Immunostimulatory Adjuvant. SRP. 2020; 11(11): 247-253.
doi:10.31838/srp.2020.11.36

Web Style

Nararat Kotcharat, Penpimol Charoenkanburkang, Jittima Amie Luckanagul. Grafted Hyaluronic Acid Nanogel for the Incorporation of Poly(I:C) as an Immunostimulatory Adjuvant. http://www.sysrevpharm.org/?mno=9819 [Access: March 29, 2021]. doi:10.31838/srp.2020.11.36

AMA (American Medical Association) Style

Nararat Kotcharat, Penpimol Charoenkanburkang, Jittima Amie Luckanagul. Grafted Hyaluronic Acid Nanogel for the Incorporation of Poly(I:C) as an Immunostimulatory Adjuvant. SRP. 2020; 11(11): 247-253. doi:10.31838/srp.2020.11.36



Vancouver/ICMJE Style

Nararat Kotcharat, Penpimol Charoenkanburkang, Jittima Amie Luckanagul. Grafted Hyaluronic Acid Nanogel for the Incorporation of Poly(I:C) as an Immunostimulatory Adjuvant. SRP. (2020), [cited March 29, 2021]; 11(11): 247-253. doi:10.31838/srp.2020.11.36



Harvard Style

Nararat Kotcharat, Penpimol Charoenkanburkang, Jittima Amie Luckanagul (2020) Grafted Hyaluronic Acid Nanogel for the Incorporation of Poly(I:C) as an Immunostimulatory Adjuvant. SRP, 11 (11), 247-253. doi:10.31838/srp.2020.11.36



Turabian Style

Nararat Kotcharat, Penpimol Charoenkanburkang, Jittima Amie Luckanagul. 2020. Grafted Hyaluronic Acid Nanogel for the Incorporation of Poly(I:C) as an Immunostimulatory Adjuvant. Systematic Reviews in Pharmacy, 11 (11), 247-253. doi:10.31838/srp.2020.11.36



Chicago Style

Nararat Kotcharat, Penpimol Charoenkanburkang, Jittima Amie Luckanagul. "Grafted Hyaluronic Acid Nanogel for the Incorporation of Poly(I:C) as an Immunostimulatory Adjuvant." Systematic Reviews in Pharmacy 11 (2020), 247-253. doi:10.31838/srp.2020.11.36



MLA (The Modern Language Association) Style

Nararat Kotcharat, Penpimol Charoenkanburkang, Jittima Amie Luckanagul. "Grafted Hyaluronic Acid Nanogel for the Incorporation of Poly(I:C) as an Immunostimulatory Adjuvant." Systematic Reviews in Pharmacy 11.11 (2020), 247-253. Print. doi:10.31838/srp.2020.11.36



APA (American Psychological Association) Style

Nararat Kotcharat, Penpimol Charoenkanburkang, Jittima Amie Luckanagul (2020) Grafted Hyaluronic Acid Nanogel for the Incorporation of Poly(I:C) as an Immunostimulatory Adjuvant. Systematic Reviews in Pharmacy, 11 (11), 247-253. doi:10.31838/srp.2020.11.36

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