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Wang G, Kato K, Ichinose S, Inoue D, Kobayashi A, Terui H, Tottori S, Kanzaki M, Nishizawa M. Bilaterally Aligned Electroosmotic Flow Generated by Porous Microneedle Device for Dual-Mode Delivery. Adv Healthc Mater 2024:e2401181. [PMID: 38734966 DOI: 10.1002/adhm.202401181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 05/10/2024] [Indexed: 05/13/2024]
Abstract
Here, a novel porous microneedle (PMN) device with bilaterally aligned electroosmotic flow (EOF) enabling controllable dual-mode delivery of molecules is developed. The PMNs placed at anode and cathode compartments are modified with anionic poly-2-acrylamido-2-methyl-1-propanesulfonic acid and cationic poly-(3-acrylamidopropyl) trimethylammonium, respectively. The direction of EOF generated by PMN at the cathode compartment is, therefore, reversed from cathode to anode, countering the unwanted cathodal suctioning of interstitial fluid caused by reverse iontophoresis. With the bilateral alignment of EOF, the versatility of the proposed device is evaluated by delivering molecules with different charges and sizes using Franz cell. In addition, a 3D printed probe device is developed to ease practical handling and minimize electrical stimulation by integrating two PMNs in closed proximity. Finally, the performance of the integrated probe device is demonstrated by dual delivery of a variety of molecules (methylene blue, rhodamine B, and fluorescein isothiocyanate-dextran) using pig skin and vaccination using mice with delivered ovalbumin.
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Affiliation(s)
- Gaobo Wang
- Department of Finemechanics, Graduate School of Engineering, Tohoku University, 6-6-1 Aramaki Aoba, Aoba-ku, Sendai, 980-8579, Japan
| | - Kosuke Kato
- Department of Finemechanics, Graduate School of Engineering, Tohoku University, 6-6-1 Aramaki Aoba, Aoba-ku, Sendai, 980-8579, Japan
| | - Sae Ichinose
- Department of Finemechanics, Graduate School of Engineering, Tohoku University, 6-6-1 Aramaki Aoba, Aoba-ku, Sendai, 980-8579, Japan
| | - Daisuke Inoue
- Department of Finemechanics, Graduate School of Engineering, Tohoku University, 6-6-1 Aramaki Aoba, Aoba-ku, Sendai, 980-8579, Japan
| | - Airi Kobayashi
- Department of Dermatology, Graduate School of Medicine, Tohoku University, 1-1 Seiryo-machi, Aoba-ku, Sendai, 980-8574, Japan
| | - Hitoshi Terui
- Department of Dermatology, Graduate School of Medicine, Tohoku University, 1-1 Seiryo-machi, Aoba-ku, Sendai, 980-8574, Japan
| | - Soichiro Tottori
- Department of Finemechanics, Graduate School of Engineering, Tohoku University, 6-6-1 Aramaki Aoba, Aoba-ku, Sendai, 980-8579, Japan
| | - Makoto Kanzaki
- Department of Biomedical Engineering, Graduate School of Biomedical Engineering, Tohoku University, 6-6-4 Aramaki Aoba, Aoba-ku, Sendai, 980-8579, Japan
| | - Matsuhiko Nishizawa
- Department of Finemechanics, Graduate School of Engineering, Tohoku University, 6-6-1 Aramaki Aoba, Aoba-ku, Sendai, 980-8579, Japan
- Department of Biomedical Engineering, Graduate School of Biomedical Engineering, Tohoku University, 6-6-4 Aramaki Aoba, Aoba-ku, Sendai, 980-8579, Japan
- Division for the Establishment of Frontier Sciences of the Organization for Advanced Studies, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577, Japan
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2
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Abbasi M, Fan Z, Dawson JA, Wang S. Anti-obesity and metabolic benefits of metformin: Comparison of different delivery routes. J Drug Deliv Sci Technol 2024; 91:105110. [PMID: 38188941 PMCID: PMC10768944 DOI: 10.1016/j.jddst.2023.105110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
Obesity is a severe public health problem. Healthy lifestyle interventions are commonly recommended for fighting obesity. But they are hard to follow and have low efficacy. Pharmacotherapy and surgery are of high efficacy but are beset with side effects. Browning subcutaneous white adipose tissue (WAT) is a practical and efficient approach for combating obesity. Metformin, a commonly used FDA-approved antidiabetic drug, is potent to induce browning of WAT through phosphorylation and activation of AMP-activated protein kinase. However, oral administration of metformin has low oral bioavailability, fast renal clearance, and low target specificity that limit metformin's application in browning WAT. Local and transdermal delivery of metformin directly to subcutaneous WAT using injection or microneedle (MN) in combination with iontophoresis (INT) may solve these problems. In this paper, we administered metformin to C57BL/6J obese mice using the following three routes: transdermal delivery (MN and INT), local injection into inguinal WAT (IgWAT, a type of subcutaneous WAT in mice), and oral gavage. The anti-obesity and metabolic effects of metformin via these delivery routes were determined and compared. As compared to local IgWAT injection and oral gavage delivery, transdermal delivery of metformin using MN and INT resulted in 9% lower body weight and 7% decrease in body fat% accompanied by improved energy metabolism and decreased inflammation through browning IgWAT in obese C57BL/6J mice. Transdermal delivery of metformin using MN and INT is an effective approach in browning subcutaneous WAT for combating obesity and improving metabolic health.
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Affiliation(s)
- Mehrnaz Abbasi
- Department of Nutritional Sciences, Texas Tech University, Lubbock, Texas 79409, USA
- College of Human Sciences, Auburn University, Auburn, AL, 36830, USA
| | - Zhaoyang Fan
- Department of Nutritional Sciences, Texas Tech University, Lubbock, Texas 79409, USA
- School of Electrical, Computer and Energy Engineering, Arizona State University, Tempe, Arizona 85281, USA
| | - John A. Dawson
- Department of Nutritional Sciences, Texas Tech University, Lubbock, Texas 79409, USA
- Department of Economics, Applied Statistics, and International, New Mexico State University, Las Cruces, New Mexico 88003, USA
| | - Shu Wang
- Department of Nutritional Sciences, Texas Tech University, Lubbock, Texas 79409, USA
- College of Health Solutions, Arizona State University, Phoenix, Arizona, 85004, USA
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3
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Patil S, Vijayanand S, Menon I, Gomes KB, Kale A, Bagwe P, Yacoub S, Uddin MN, D’Souza MJ. Adjuvanted-SARS-CoV-2 Spike Protein-Based Microparticulate Vaccine Delivered by Dissolving Microneedles Induces Humoral, Mucosal, and Cellular Immune Responses in Mice. Pharmaceuticals (Basel) 2023; 16:1131. [PMID: 37631046 PMCID: PMC10457992 DOI: 10.3390/ph16081131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 07/16/2023] [Accepted: 07/19/2023] [Indexed: 08/27/2023] Open
Abstract
COVID-19 continues to cause an increase in the number of cases and deaths worldwide. Due to the ever-mutating nature of the virus, frequent vaccination against COVID-19 is anticipated. Most of the approved SARS-CoV-2 vaccines are administered using the conventional intramuscular route, causing vaccine hesitancy. Thus, there is a need for an effective, non-invasive vaccination strategy against COVID-19. This study evaluated the synergistic effects of a subunit microparticulate vaccine delivered using microneedles. The microparticles encapsulated a highly immunogenic subunit protein of the SARS-CoV-2 virus, such as the spike protein's receptor binding domain (RBD). Adjuvants were also incorporated to enhance the spike RBD-specific immune response. Our vaccination study reveals that a microneedle-based vaccine delivering these microparticles induced spike RBD-specific IgM, IgG, IgG1, IgG2a, and IgA antibodies. The vaccine also generated high levels of CD4+ and CD8a+ molecules in the secondary lymphoid organs. Overall, dissolving microneedles delivery spike RBD antigen in microparticulate form induced a robust immune response, paving the way for an alternative self-administrable, non-invasive vaccination strategy against COVID-19.
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Affiliation(s)
| | | | | | | | | | | | | | - Mohammad N. Uddin
- Center for Drug Delivery and Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA; (S.P.); (S.V.); (I.M.); (K.B.G.); (A.K.); (P.B.); (S.Y.)
| | - Martin J. D’Souza
- Center for Drug Delivery and Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA; (S.P.); (S.V.); (I.M.); (K.B.G.); (A.K.); (P.B.); (S.Y.)
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4
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Malek-Khatabi A, Sadat Razavi M, Abdollahi A, Rahimzadeghan M, Moammeri F, Sheikhi M, Tavakoli M, Rad-Malekshahi M, Faraji Rad Z. Recent progress in PLGA-based microneedle-mediated transdermal drug and vaccine delivery. Biomater Sci 2023; 11:5390-5409. [PMID: 37387317 DOI: 10.1039/d3bm00795b] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/01/2023]
Abstract
Microneedles (MNs) have recently been found to have applications in drug, vitamin, protein and vaccine delivery. Polymeric MN arrays continue to attract increasing attention due to their capability to bypass the skin's stratum corneum (SC) barrier with minimal invasiveness. These carriers can achieve the targeted intradermal delivery of drugs and vaccines and improve their transdermal delivery level. As a nontoxic FDA-approved copolymer, polylactic glycolic acid (PLGA) has good biocompatibility and biodegradability. Currently, PLGA-based MNs have a noticeable tendency to be utilized as a delivery system. This study focuses on the most recent advances in PLGA-based MNs. Both PLGA nanoparticle-based MNs and PLGA matrix-based MNs, created for the delivery of vaccines, drugs, proteins and other therapeutic agents, are discussed. The paper also discusses the various types of MNs and their potential applications. Finally, the prospects and challenges of PLGA-based MNs are reviewed.
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Affiliation(s)
- Atefeh Malek-Khatabi
- Department of Pharmaceutical Biomaterials and Medical Biomaterials Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Malihe Sadat Razavi
- Department of Pharmaceutics, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
- Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Alyeh Abdollahi
- Department of Pharmaceutical Biomaterials and Medical Biomaterials Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Milad Rahimzadeghan
- Functional Neurosurgery Research Center, Shohada Tajrish Comprehensive Neurosurgical Center of Excellence, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fatemeh Moammeri
- Department of Laboratory Sciences, School of Paramedical Sciences, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mojgan Sheikhi
- Department of Drug and Food Control, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohamadreza Tavakoli
- Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mazda Rad-Malekshahi
- Department of Pharmaceutical Biomaterials and Medical Biomaterials Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Zahra Faraji Rad
- School of Engineering, University of Southern Queensland, Springfield, QLD 4300, Australia.
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5
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Bagwe P, Bajaj L, Menon I, Braz Gomes K, Kale A, Patil S, Vijayanand S, Gala R, D'Souza MJ, Zughaier SM. Gonococcal microparticle vaccine in dissolving microneedles induced immunity and enhanced bacterial clearance in infected mice. Int J Pharm 2023; 642:123182. [PMID: 37369287 PMCID: PMC10529368 DOI: 10.1016/j.ijpharm.2023.123182] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/31/2023] [Accepted: 06/24/2023] [Indexed: 06/29/2023]
Abstract
There is an alarming rise in the number of gonorrhea cases worldwide. Neisseria gonorrhoeae, the bacteria that causes gonorrhea infection, has gradually developed antimicrobial resistance over the years. To date, there is no licensed vaccine for gonorrhea. This study investigates the in vivo immunogenicity of a whole-cell inactivated gonococci in a microparticle formulation (Gc-MP) along with adjuvant microparticles (Alhydrogel®- Alum MP and AddaVax™ MP) delivered transdermally using dissolving microneedles (MN). The proposed vaccine formulation (Gc-MP + Alum MP + AddaVax™ MP) was assessed for induction of humoral, cellular, and protective immune responses in vivo. Our results show the induction of significant gonococcal-specific serum IgG, IgG1, IgG2a, and vaginal mucosal IgA antibodies in mice immunized with Gc-MP + Alum MP + AddaVax™ MP and Gc-MP when compared to the control groups receiving blank MN or no treatment. The serum bactericidal assay revealed that the antibodies generated in mice after immunization with Gc-MP + Alum MP + AddaVax™ MP were bactericidal towards live Neisseria gonorrhoeae. Gc-MP + Alum MP + AddaVax™ MP and Gc-MP-immunized mice showed enhanced clearance rate of gonococcal bacterial infection post challenge. In contrast, the control groups did not begin to clear the infection until day 10. In addition, the mice which received Gc-MP + Alum MP + AddaVax™ MP showed enhanced expression of cellular immunity markers CD4 and CD8 on the surface of T cells in the spleen and lymph nodes. Taken together, the data shows that microneedle immunization with whole-cell inactivated gonococci MP in mice induced humoral, cellular, and protective immunity against gonococcal infection.
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Affiliation(s)
- Priyal Bagwe
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Lotika Bajaj
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Ipshita Menon
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Keegan Braz Gomes
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Akanksha Kale
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Smital Patil
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Sharon Vijayanand
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Rikhav Gala
- Fraunhofer USA, Center Mid-Atlantic, Biotechnology Division, 9, Innovation Way, Newark, DE 19011, USA
| | - Martin J D'Souza
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA.
| | - Susu M Zughaier
- College of Medicine, QU Health, Qatar University, PO Box 2731, Doha, Qatar.
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Wan W, Li Y, Wang J, Jin Z, Xin W, Kang L, Wang J, Li X, Cao Y, Yang H, Wang J, Gao S. PLGA Nanoparticle-Based Dissolving Microneedle Vaccine of Clostridium perfringens ε Toxin. Toxins (Basel) 2023; 15:461. [PMID: 37505730 PMCID: PMC10467084 DOI: 10.3390/toxins15070461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/12/2023] [Accepted: 07/14/2023] [Indexed: 07/29/2023] Open
Abstract
Epsilon toxin (ETX) is an exotoxin produced by type B and D Clostridium perfringens that causes enterotoxemia or necrotic enteritis in animals such as goats, sheep, and cattle. Vaccination is a key method in preventing such diseases. In this study, we developed a new type of dissolving microneedle patch (dMN) with a nanoparticle adjuvant for enhanced immune response to deliver the rETXY196E-C protein vaccine. We chose FDA-approved poly(lactic-co-glycolic acid) (PLGA) to prepare nanospheres as the vaccine adjuvant and introduced dimethyldioctadecylammonium bromide (DDAB) to make the surface of PLGA nanoparticles (PLGA NPs) positively charged for antigen adsorption. PLGA NPs with a diameter of 100~200 nm, a surface ZETA potential of approximately +40 mV, and good safety were successfully prepared and could effectively adsorb rETXY196E-C protein. Using non-toxic and antibacterial fish gelatin as the microneedle (MN) matrix, we prepared a PLGA-DDAB dMN vaccine with good mechanical properties that successfully penetrated the skin. After immunization of subcutaneous (SC) and dMN, antibody titers of the PLGA and Al adjuvant groups were similar in both two immune ways. However, in vivo neutralization experiments showed that the dMN vaccines had a better protective effect. When challenged with 100 × LD50 GST-ETX, the survival rate of the MN group was 100%, while that of the SC Al group was 80%. However, a 100% protective effect was achieved in both immunization methods using PLGA NPs. In vitro neutralization experiments showed that the serum antibodies from the dMN and SC PLGA NPs groups both protect naive mice from 10 × LD50 GST-ETX attack after being diluted 20 times and could also protect MDCK cells from 20 × CT50 GST-ETX attack. In conclusion, the PLGA-DDAB dMN vaccine we prepared has good mechanical properties, immunogenicity, and protection, and can effectively prevent ETX poisoning. This provides a better way of delivering protein vaccines.
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Affiliation(s)
- Wei Wan
- State Key Laboratory of Pathogen and Biosecurity, Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences (AMMS), Beijing 100071, China; (W.W.); (Y.L.); (J.W.); (Z.J.); (W.X.); (L.K.); (X.L.); (Y.C.)
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yue Li
- State Key Laboratory of Pathogen and Biosecurity, Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences (AMMS), Beijing 100071, China; (W.W.); (Y.L.); (J.W.); (Z.J.); (W.X.); (L.K.); (X.L.); (Y.C.)
| | - Jing Wang
- State Key Laboratory of Pathogen and Biosecurity, Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences (AMMS), Beijing 100071, China; (W.W.); (Y.L.); (J.W.); (Z.J.); (W.X.); (L.K.); (X.L.); (Y.C.)
| | - Zhiying Jin
- State Key Laboratory of Pathogen and Biosecurity, Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences (AMMS), Beijing 100071, China; (W.W.); (Y.L.); (J.W.); (Z.J.); (W.X.); (L.K.); (X.L.); (Y.C.)
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
| | - Wenwen Xin
- State Key Laboratory of Pathogen and Biosecurity, Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences (AMMS), Beijing 100071, China; (W.W.); (Y.L.); (J.W.); (Z.J.); (W.X.); (L.K.); (X.L.); (Y.C.)
| | - Lin Kang
- State Key Laboratory of Pathogen and Biosecurity, Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences (AMMS), Beijing 100071, China; (W.W.); (Y.L.); (J.W.); (Z.J.); (W.X.); (L.K.); (X.L.); (Y.C.)
| | - Junhong Wang
- School of Medical Technology, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China;
| | - Xiaoyang Li
- State Key Laboratory of Pathogen and Biosecurity, Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences (AMMS), Beijing 100071, China; (W.W.); (Y.L.); (J.W.); (Z.J.); (W.X.); (L.K.); (X.L.); (Y.C.)
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yakun Cao
- State Key Laboratory of Pathogen and Biosecurity, Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences (AMMS), Beijing 100071, China; (W.W.); (Y.L.); (J.W.); (Z.J.); (W.X.); (L.K.); (X.L.); (Y.C.)
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang 050024, China
| | - Hao Yang
- Beijing Noninvasion Biomedical Technology Co., Ltd., Beijing 101111, China;
| | - Jinglin Wang
- State Key Laboratory of Pathogen and Biosecurity, Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences (AMMS), Beijing 100071, China; (W.W.); (Y.L.); (J.W.); (Z.J.); (W.X.); (L.K.); (X.L.); (Y.C.)
| | - Shan Gao
- State Key Laboratory of Pathogen and Biosecurity, Institute of Microbiology and Epidemiology, Academy of Military Medical Sciences (AMMS), Beijing 100071, China; (W.W.); (Y.L.); (J.W.); (Z.J.); (W.X.); (L.K.); (X.L.); (Y.C.)
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7
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Braz Gomes K, Vijayanand S, Bagwe P, Menon I, Kale A, Patil S, Kang SM, Uddin MN, D’Souza MJ. Vaccine-Induced Immunity Elicited by Microneedle Delivery of Influenza Ectodomain Matrix Protein 2 Virus-like Particle (M2e VLP)-Loaded PLGA Nanoparticles. Int J Mol Sci 2023; 24:10612. [PMID: 37445784 PMCID: PMC10341628 DOI: 10.3390/ijms241310612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/20/2023] [Accepted: 06/23/2023] [Indexed: 07/15/2023] Open
Abstract
This study focused on developing an influenza vaccine delivered in polymeric nanoparticles (NPs) using dissolving microneedles. We first formulated an influenza extracellular matrix protein 2 virus-like particle (M2e VLP)-loaded with poly(lactic-co-glycolic) acid (PLGA) nanoparticles, yielding M2e5x VLP PLGA NPs. The vaccine particles were characterized for their physical properties and in vitro immunogenicity. Next, the M2e5x VLP PLGA NPs, along with the adjuvant Alhydrogel® and monophosphoryl lipid A® (MPL-A®) PLGA NPs, were loaded into fast-dissolving microneedles. The vaccine microneedle patches were then evaluated in vivo in a murine model. The results from this study demonstrated that the vaccine nanoparticles effectively stimulated antigen-presenting cells in vitro resulting in enhanced autophagy, nitric oxide, and antigen presentation. In mice, the vaccine elicited M2e-specific antibodies in both serum and lung supernatants (post-challenge) and induced significant expression of CD4+ and CD8+ populations in the lymph nodes and spleens of immunized mice. Hence, this study demonstrated that polymeric particulates for antigen and adjuvant encapsulation, delivered using fast-dissolving microneedles, significantly enhanced the immunogenicity of a conserved influenza antigen.
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Affiliation(s)
- Keegan Braz Gomes
- Center for Drug Delivery and Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Sharon Vijayanand
- Center for Drug Delivery and Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Priyal Bagwe
- Center for Drug Delivery and Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Ipshita Menon
- Center for Drug Delivery and Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Akanksha Kale
- Center for Drug Delivery and Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Smital Patil
- Center for Drug Delivery and Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Sang-Moo Kang
- Center for Inflammation, Immunity, and Infection, Institute for Biomedical Sciences, Georgia State University, Atlanta, GA 30303, USA
| | - Mohammad N. Uddin
- Center for Drug Delivery and Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Martin J. D’Souza
- Center for Drug Delivery and Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
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Menon I, Patil S, Bagwe P, Vijayanand S, Kale A, Braz Gomes K, Kang SM, D'Souza M. Dissolving Microneedles Loaded with Nanoparticle Formulation of Respiratory Syncytial Virus Fusion Protein Virus-like Particles (F-VLPs) Elicits Cellular and Humoral Immune Responses. Vaccines (Basel) 2023; 11:vaccines11040866. [PMID: 37112778 PMCID: PMC10144232 DOI: 10.3390/vaccines11040866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 03/25/2023] [Accepted: 04/17/2023] [Indexed: 04/29/2023] Open
Abstract
Respiratory syncytial virus (RSV) is one of the leading causes of bronchiolitis and pneumonia in children ages five years and below. Recent outbreaks of the virus have proven that RSV remains a severe burden on healthcare services. Thus, a vaccine for RSV is a need of the hour. Research on novel vaccine delivery systems for infectious diseases such as RSV can pave the road to more vaccine candidates. Among many novel vaccine delivery systems, a combined system with polymeric nanoparticles loaded in dissolving microneedles holds a lot of potential. In this study, the virus-like particles of the RSV fusion protein (F-VLP) were encapsulated in poly (D, L-lactide-co-glycolide) (PLGA) nanoparticles (NPs). These NPs were then loaded into dissolving microneedles (MNs) composed of hyaluronic acid and trehalose. To test the in vivo immunogenicity of the nanoparticle-loaded microneedles, Swiss Webster mice were immunized with the F-VLP NPs, both with and without adjuvant monophosphoryl lipid A (MPL) NPs loaded in the MN. The mice immunized with the F-VLP NP + MPL NP MN showed high immunoglobulin (IgG and IgG2a) levels both in the serum and lung homogenates. A subsequent analysis of lung homogenates post-RSV challenge revealed high IgA, indicating the generation of a mucosal immune response upon intradermal immunization. A flowcytometry analysis showed high CD8+ and CD4+ expression in the lymph nodes and spleens of the F-VLP NP + MPL NP MN-immunized mice. Thus, our vaccine elicited a robust humoral and cellular immune response in vivo. Therefore, PLGA nanoparticles loaded in dissolving microneedles could be a suitable novel delivery system for RSV vaccines.
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Affiliation(s)
- Ipshita Menon
- Center for Drug Delivery Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Smital Patil
- Center for Drug Delivery Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Priyal Bagwe
- Center for Drug Delivery Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Sharon Vijayanand
- Center for Drug Delivery Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Akanksha Kale
- Center for Drug Delivery Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Keegan Braz Gomes
- Center for Drug Delivery Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Sang Moo Kang
- Center for Inflammation, Immunity & Infection, Institute for Biomedical Sciences, Georgia State University, Atlanta, GA 30303, USA
| | - Martin D'Souza
- Center for Drug Delivery Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
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Vijayanand S, Patil S, Menon I, Braz Gomes K, Kale A, Bagwe P, Uddin MN, Zughaier SM, D’Souza MJ. An Adjuvanted Inactivated SARS-CoV-2 Microparticulate Vaccine Delivered Using Microneedles Induces a Robust Immune Response in Vaccinated Mice. Pharmaceutics 2023; 15:pharmaceutics15030895. [PMID: 36986756 PMCID: PMC10058898 DOI: 10.3390/pharmaceutics15030895] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 02/21/2023] [Accepted: 03/07/2023] [Indexed: 03/12/2023] Open
Abstract
SARS-CoV-2, the causal agent of COVID-19, is a contagious respiratory virus that frequently mutates, giving rise to variant strains and leading to reduced vaccine efficacy against the variants. Frequent vaccination against the emerging variants may be necessary; thus, an efficient vaccination system is needed. A microneedle (MN) vaccine delivery system is non-invasive, patient-friendly, and can be self-administered. Here, we tested the immune response produced by an adjuvanted inactivated SARS-CoV-2 microparticulate vaccine administered via the transdermal route using a dissolving MN. The inactivated SARS-CoV-2 vaccine antigen and adjuvants (Alhydrogel® and AddaVax™) were encapsulated in poly(lactic-co-glycolic acid) (PLGA) polymer matrices. The resulting MP were approximately 910 nm in size, with a high percentage yield and percent encapsulation efficiency of 90.4%. In vitro, the vaccine MP was non-cytotoxic and increased the immunostimulatory activity measured as nitric oxide release from dendritic cells. The adjuvant MP potentiated the immune response of the vaccine MP in vitro. In vivo, the adjuvanted SARS-CoV-2 MP vaccine induced high levels of IgM, IgG, IgA, IgG1, and IgG2a antibodies and CD4+ and CD8+ T-cell responses in immunized mice. In conclusion, the adjuvanted inactivated SARS-CoV-2 MP vaccine delivered using MN induced a robust immune response in vaccinated mice.
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Affiliation(s)
- Sharon Vijayanand
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Smital Patil
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Ipshita Menon
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Keegan Braz Gomes
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Akanksha Kale
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Priyal Bagwe
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Mohammad N. Uddin
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Susu M. Zughaier
- College of Medicine, QU Health, Qatar University, Doha P.O. Box 2713, Qatar
- Correspondence:
| | - Martin J. D’Souza
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
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10
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Li X, Xie X, Wu Y, Zhang Z, Liao J. Microneedles: structure, classification, and application in oral cancer theranostics. Drug Deliv Transl Res 2023:10.1007/s13346-023-01311-0. [PMID: 36892816 DOI: 10.1007/s13346-023-01311-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/11/2023] [Indexed: 03/10/2023]
Abstract
Oral cancer is a malignant tumor that threatens the health of individuals on a global scale. Currently available clinical treatment methods, including surgery, radiotherapy, and chemotherapy, significantly impact the quality of life of patients with systemic side effects. In the treatment of oral cancer, local and efficient delivery of antineoplastic drugs or other substances (like photosensitizers) to improve the therapy effect is a potential way to optimize oral cancer treatments. As an emerging drug delivery system in recent years, microneedles (MNs) can be used for local drug delivery, offering the advantages of high efficiency, convenience, and noninvasiveness. This review briefly introduces the structures and characteristics of various types of MNs and summarizes MN preparation methods. An overview of the current research application of MNs in different cancer treatments is provided. Overall, MNs, as a means of transporting substances, demonstrate great potential in oral cancer treatments, and their promising future applications and perspectives of MNs are outlined in this review.
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Affiliation(s)
- Xintong Li
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Xi Xie
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Yongzhi Wu
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Zhuoyuan Zhang
- Department of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.
| | - Jinfeng Liao
- State Key Laboratory of Oral Diseases, National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.
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11
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Kale A, Joshi D, Menon I, Bagwe P, Patil S, Vijayanand S, Braz Gomes K, Uddin MN, D'Souza MJ. Zika Vaccine Microparticles (MPs)-Loaded Dissolving Microneedles (MNs) Elicit a Significant Immune Response in a Pre-Clinical Murine Model. Vaccines (Basel) 2023; 11:vaccines11030583. [PMID: 36992167 DOI: 10.3390/vaccines11030583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/25/2023] [Accepted: 03/01/2023] [Indexed: 03/06/2023] Open
Abstract
Although the global Zika epidemic in 2015–16 fueled vaccine development efforts, there is no approved Zika vaccine or treatment available to date. Current vaccine platforms in clinical trials are administered via either subcutaneous or intramuscular injections, which are painful and decrease compliance. Therefore, in the present study, we explored Zika vaccine microparticles (MPs)-loaded dissolving microneedles (MNs) with adjuvant MPs encapsulating Alhydrogel® and MPL-A® administered via the transdermal route as a pain-free vaccine strategy. We characterized the MNs for needle length, pore formation, and dissolvability when applied to murine skin. Further, we evaluated the in vivo efficacy of vaccine MPs-loaded MNs with or without adjuvants by measuring the immune response after transdermal immunization. The vaccine MPs-loaded dissolving MNs with adjuvants induced significant IgG, IgG1, and IgG2a titers in immunized mice compared to the untreated control group. After the dosing regimen, the animals were challenged with Zika virus, monitored for seven days, and sacrificed to collect spleen and lymph nodes. The lymphocytes and splenocytes from the immunized mice showed significant expressions of helper (CD4) and cytotoxic (CD8a) cell surface markers compared to the control group. Thus, this study puts forth a ‘proof-of-concept’ for a pain-free transdermal vaccine strategy against Zika.
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Affiliation(s)
- Akanksha Kale
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, Mercer University College of Pharmacy, Atlanta, GA 30341, USA
| | - Devyani Joshi
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, Mercer University College of Pharmacy, Atlanta, GA 30341, USA
| | - Ipshita Menon
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, Mercer University College of Pharmacy, Atlanta, GA 30341, USA
| | - Priyal Bagwe
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, Mercer University College of Pharmacy, Atlanta, GA 30341, USA
| | - Smital Patil
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, Mercer University College of Pharmacy, Atlanta, GA 30341, USA
| | - Sharon Vijayanand
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, Mercer University College of Pharmacy, Atlanta, GA 30341, USA
| | - Keegan Braz Gomes
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, Mercer University College of Pharmacy, Atlanta, GA 30341, USA
| | - Mohammad N Uddin
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, Mercer University College of Pharmacy, Atlanta, GA 30341, USA
| | - Martin J D'Souza
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery and Research, Mercer University College of Pharmacy, Atlanta, GA 30341, USA
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12
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Patil S, Vijayanand S, Joshi D, Menon I, Braz Gomes K, Kale A, Bagwe P, Yacoub S, Uddin MN, D'Souza MJ. Subunit microparticulate vaccine delivery using microneedles trigger significant SARS-spike-specific humoral and cellular responses in a preclinical murine model. Int J Pharm 2023; 632:122583. [PMID: 36610521 PMCID: PMC9811858 DOI: 10.1016/j.ijpharm.2023.122583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 12/29/2022] [Accepted: 01/02/2023] [Indexed: 01/06/2023]
Abstract
The objective of this "proof-of-concept" study was to evaluate the synergistic effect of a subunit microparticulate vaccine and microneedles (MN) assisted vaccine delivery system against a human coronavirus. Here, we formulated PLGA polymeric microparticles (MPs) encapsulating spike glycoprotein (GP) of SARS-CoV as the model antigen. Similarly, we formulated adjuvant MPs encapsulating Alhydrogel® and AddaVax™. The antigen/adjuvant MPs were characterized and tested in vitro for immunogenicity. We found that the antigen/adjuvant MPs were non-cytotoxic in vitro. The spike GP MPs + Alhydrogel® MPs + AddaVax™ MPs showed enhanced immunogenicity in vitro as confirmed through the release of nitrite, autophagy, and antigen presenting molecules with their co-stimulatory molecules. Next, we tested the in vivo efficacy of the spike GP MP vaccine with and without adjuvant MPs in mice vaccinated using MN. The spike GP MPs + Alhydrogel® MPs + AddaVax™ MPs induced heightened spike GP-specific IgG, IgG1 and IgG2a antibodies in mice. Also, spike GP MPs + Alhydrogel® MPs + AddaVax™ MPs enhanced expression of CD4+ and CD8+ T cells in secondary lymphoid organ like spleen. These results indicated spike GP-specific humoral immunity and cellular immunity in vivo. Thus, we employed the benefits of both the subunit vaccine MPs and dissolving MN to form a non-invasive and effective vaccination strategy against human coronaviruses.
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Affiliation(s)
- Smital Patil
- Center for Drug Delivery Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Sharon Vijayanand
- Center for Drug Delivery Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Devyani Joshi
- Center for Drug Delivery Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Ipshita Menon
- Center for Drug Delivery Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Keegan Braz Gomes
- Center for Drug Delivery Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Akanksha Kale
- Center for Drug Delivery Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Priyal Bagwe
- Center for Drug Delivery Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Shadi Yacoub
- Center for Drug Delivery Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Mohammad N Uddin
- Center for Drug Delivery Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Martin J D'Souza
- Center for Drug Delivery Research, Vaccine Nanotechnology Laboratory, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA.
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13
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Zheng X, Zhu J, Zheng C, Tan Z, Ji Z, Tao J, Zhao Y, Ji Z, Hu Y. Dissolving Microneedle Arrays as a Hepatitis B Vaccine Delivery System Adjuvanted by APC-Targeted Poly (Lactic-co-Glycolic Acid) (PLGA) Nanoparticles. AAPS PharmSciTech 2023; 24:42. [PMID: 36697935 DOI: 10.1208/s12249-022-02473-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 11/17/2022] [Indexed: 01/26/2023] Open
Abstract
The objective of this study is to develop a new hepatitis B surface antigen (HBsAg) delivery system by coating soluble microneedle arrays with mannose-modified PLGA nanoparticles (MNPs). MNPs of different sizes were synthesized. The effects these nanoparticles on the maturation of dendritic cells were studied by flow cytometry. HBsAg-containing MNPs (HBsAg/MNPs) of the appropriate sizes were coated into water-soluble microneedle arrays. The in vitro characteristics of microneedles arrays and the immune responses after subcutaneous administration in mice were studied. The results showed that PLGA nanoparticles with an average size of about 800 nm showed the most significant effects in stimulating the maturation of dendritic cells. In the water-soluble microneedle array, the targeted PLGA nanoparticles containing HBsAg were distributed discretely with a maximum distribution height of about 280 μm with a drug load of 0.98 ± 0.05 μg/mg. The drug-containing microneedle arrays exhibited excellent mechanical properties and improved biosafety. The results of immune responses in vivo showed that the subcutaneous administration of the microneedle arrays induced the proliferation of splenocyte, secreted specific IL-12 and IFN-γ, and promote the production of IgG in mice. This study verifies the feasibility of soluble composited microneedles administration in hepatitis B immunization, and provides new ideas for the development and application of non-injectable vaccine delivery systems.
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Affiliation(s)
- Xiaoling Zheng
- Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, China
| | - Jiahuan Zhu
- School of Pharmacy, Zhejiang Pharmaceutical University, Ningbo, 315000, China.,School of Pharmacy, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Caihong Zheng
- Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, China
| | - Zeng Tan
- School of Pharmacy, Zhejiang Pharmaceutical University, Ningbo, 315000, China
| | - Zhonghua Ji
- School of Pharmacy, Zhejiang Pharmaceutical University, Ningbo, 315000, China
| | - Jin Tao
- School of Pharmacy, Zhejiang Pharmaceutical University, Ningbo, 315000, China
| | - Yunchun Zhao
- Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, China
| | - Zhuwa Ji
- School of Pharmacy, Zhejiang Pharmaceutical University, Ningbo, 315000, China
| | - Ying Hu
- School of Pharmacy, Zhejiang Pharmaceutical University, Ningbo, 315000, China.
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14
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Men Z, Su T, Tang Z, Liang J, Shen T. Tacrolimus nanocrystals microneedle patch for plaque psoriasis. Int J Pharm 2022; 627:122207. [PMID: 36122614 DOI: 10.1016/j.ijpharm.2022.122207] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 09/02/2022] [Accepted: 09/11/2022] [Indexed: 11/25/2022]
Abstract
Plaque psoriasis is characterized by an abnormal thickening of the epidermis, which causes great difficulties for traditional topical drug delivery. Microneedles can pierce the thickened epidermis and deliver drugs to the skin for psoriasis treatment. Tacrolimus is a poorly water-soluble immunosuppressant used for the treatment of psoriasis. In this study, tacrolimus (TAC) nanocrystals (NCs) were produced using a bottom-up technique that dispersed TAC into a sodium hyaluronate-based microneedle patch (MNP), and its therapeutic efficacy was evaluated. The average particle size of the TAC NCs was 259.6 ± 2.3 nm. The mechanical strength of the microneedles was 0.41 ± 0.06 N/needle, which was sufficient to penetrate psoriatic skin. Microneedles were detached from the substrate 10 min after insertion into the psoriasis skin with an insertion depth of 258.8 ± 14.4 μm. The intradermal retention of the MNP (8.40 ± 0.33 μg/cm2) was six times that of the commercial ointment (1.40 ± 0.12 μg/cm2). In pharmacodynamic experiments, results indicated improvement in the phenotypic and histopathological features and reduction in the level of TNF-α, IL-17A, and IL-23 of psoriatic skin treated with TAC NCs MNP. Therefore, MNP loaded with TAC NCs may be a promising approach for psoriasis treatment.
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Affiliation(s)
- Zening Men
- Department of Pharmaceutics, School of Pharmacy, Fudan University & Key Laboratory of Smart Drug Delivery, Ministry of Education, Shanghai 201203, People's Republic of China
| | - Tong Su
- Department of Pharmaceutics, School of Pharmacy, Fudan University & Key Laboratory of Smart Drug Delivery, Ministry of Education, Shanghai 201203, People's Republic of China
| | - Zequn Tang
- Department of Pharmaceutics, School of Pharmacy, Fudan University & Key Laboratory of Smart Drug Delivery, Ministry of Education, Shanghai 201203, People's Republic of China
| | - Jun Liang
- Department of Dermatology, Huashan Hospital, Fudan University, Shanghai 200040, People's Republic of China
| | - Teng Shen
- Department of Pharmaceutics, School of Pharmacy, Fudan University & Key Laboratory of Smart Drug Delivery, Ministry of Education, Shanghai 201203, People's Republic of China; Institutes of Integrative Medicine, Fudan University, Shanghai 200040, People's Republic of China.
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15
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Microneedle Delivery of an Adjuvanted Microparticulate Vaccine Induces High Antibody Levels in Mice Vaccinated against Coronavirus. Vaccines (Basel) 2022; 10:vaccines10091491. [PMID: 36146568 PMCID: PMC9503342 DOI: 10.3390/vaccines10091491] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/01/2022] [Accepted: 09/05/2022] [Indexed: 11/26/2022] Open
Abstract
This ‘proof-of-concept’ study aimed to test the microparticulate vaccine delivery system and a transdermal vaccine administration strategy using dissolving microneedles (MN). For this purpose, we formulated poly(lactic-co-glycolic) acid (PLGA) microparticles (MP) encapsulating the inactivated canine coronavirus (iCCoV), as a model antigen, along with adjuvant MP encapsulating Alhydrogel® and AddaVax. We characterized the vaccine MP for size, surface charge, morphology, and encapsulation efficiency. Further, we evaluated the in vitro immunogenicity, cytotoxicity, and antigen-presentation of vaccine/adjuvant MP in murine dendritic cells (DCs). Additionally, we tested the in vivo immunogenicity of the MP vaccine in mice through MN administration. We evaluated the serum IgG, IgA, IgG1, and IgG2a responses using an enzyme-linked immunosorbent assay. The results indicate that the particulate form of the vaccine is more immunogenic than the antigen suspension in vitro. We found the vaccine/adjuvant MP to be non-cytotoxic to DCs. The expression of antigen-presenting molecules, MHC I/II, and their costimulatory molecules, CD80/40, increased with the addition of the adjuvants. Moreover, the results suggest that the MP vaccine is cross presented by the DCs. In vivo, the adjuvanted MP vaccine induced increased antibody levels in mice following vaccination and will further be assessed for its cell-mediated responses.
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16
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Gomes KB, Menon I, Bagwe P, Bajaj L, Kang SM, D’Souza MJ. Enhanced Immunogenicity of an Influenza Ectodomain Matrix-2 Protein Virus-like Particle (M2e VLP) Using Polymeric Microparticles for Vaccine Delivery. Viruses 2022; 14:1920. [PMID: 36146733 PMCID: PMC9506217 DOI: 10.3390/v14091920] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/19/2022] [Accepted: 08/25/2022] [Indexed: 11/16/2022] Open
Abstract
In this study, we demonstrate how encapsulating a conserved influenza ectodomain matrix-2 protein virus-like particle (M2e5x VLP) into a pre-crosslinked bovine serum albumin (BSA) polymeric matrix enhances in vitro antigen immunogenicity and in vivo efficacy. The spray-dried M2e5x VLP-loaded BSA microparticles (MPs) showed enhanced stimulation of antigen presenting cells (APCs), as confirmed through nitrite production and increased antigen-cell interactions seen in real time using live-cell imaging. Next, to further boost the immunogenicity of M2e5x VLP microparticles, M2e5x MPs were combined with Alhydrogel® and monophosphoryl lipid-A (MPL-A®) adjuvant microparticles. M2e5x VLP MPs and the combination VLP M2e5x VLP + Alhydrogel® + MPL-A® MPs elicited a significant increase in the expression of antigen-presenting molecules in dendritic cells compared to M2e5x VLP alone. Lastly, for preliminary evaluation of in vivo efficacy, the vaccine was administered in mice through the skin using an ablative laser. The M2e5x VLP + Alhydrogel® + MPL-A® MPs were shown to induce high levels of M2e-specific IgG antibodies. Further, a challenge with live influenza revealed heightened T-cell stimulation in immune organs of mice immunized with M2e5x VLP + Alhydrogel® + MPL-A® MPs. Hence, we utilized the advantages of both VLP and polymeric delivery platforms to enhance antigen immunogenicity and adaptive immunity in vivo.
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Affiliation(s)
- Keegan Braz Gomes
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery, Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Ipshita Menon
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery, Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Priyal Bagwe
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery, Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Lotika Bajaj
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery, Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
| | - Sang-Moo Kang
- Center for Inflammation, Immunity, and Infection, Institute for Biomedical Sciences, Georgia State University, Atlanta, GA 30303, USA
| | - Martin J. D’Souza
- Vaccine Nanotechnology Laboratory, Center for Drug Delivery, Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, Atlanta, GA 30341, USA
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17
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Menon I, Kang SM, D'Souza M. Nanoparticle formulation of the fusion protein virus like particles of respiratory syncytial virus stimulates enhanced in vitro antigen presentation and autophagy. Int J Pharm 2022; 623:121919. [PMID: 35714815 DOI: 10.1016/j.ijpharm.2022.121919] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 06/05/2022] [Accepted: 06/12/2022] [Indexed: 01/02/2023]
Abstract
Respiratory Syncytial Virus (RSV) is one of the leading causes of bronchiolitis and pneumonia in childrenunder one year globally. As a result, RSV poses a severe burden on healthcare services. Thus, a vaccine for RSV is a global need. Utilizing polymeric nanoparticles as a delivery system for vaccine antigen holds a lot of promise. In this study, the virus like particles of RSV fusion protein (F-VLP) was encapsulated in poly (D, L-lactide-co-glycolide) (PLGA) nanoparticles (NP). The F-VLP NP was formulated using a double emulsion solvent evaporation technique. The optimized NPs had a particle size of 525 ± 10.5 nm and an antigen encapsulation efficiency of 73% ± 10.5. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis showed that the F-VLP was stable post formulation. The F-VLP NP showed a sustained release of the F-VLP antigen for up to a week. In vitro study revealed that the F-VLP NP were non-cytotoxic, and the cellular uptake of the NPs by dendritic cells was observed within 3 h. The F-VLP NP with adjuvant monophosphoryl lipid A (MPL) NP and without MPL NP showed enhanced expression of antigen presentation molecule major histocompatibility complex (MHC)-I and autophagosomes in dendritic cells. In summary, the sustained release of the antigen from the F-VLP NP and the particulate nature of the vaccine resulted in enhanced antigen presentation and induction of autophagy in antigen-presenting cells (APCs).
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Affiliation(s)
- Ipshita Menon
- Center for Drug Delivery Research, Vaccine Nanotechnology Laboratory, Mercer University, College of Pharmacy, Atlanta, GA 30341, USA
| | - Sang Moo Kang
- Center for Inflammation, Immunity & Infection, Institute for Biomedical Sciences, Georgia State University, Atlanta, GA 30303, USA
| | - Martin D'Souza
- Center for Drug Delivery Research, Vaccine Nanotechnology Laboratory, Mercer University, College of Pharmacy, Atlanta, GA 30341, USA.
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