Nanoparticles in Bovine Viral Disease Control: Hype or Future Reality?

Vaccination remains the backbone of Foot-and-Mouth Disease (FMD) control worldwide¹. However, conventional approaches still face several practical limitations including short-lived immunity, poor cross-protection between serotypes, cold-chain dependence, and repeated booster requirements^2,3,4. 

Because of these limitations, researchers are exploring newer technologies that may strengthen viral disease control in livestock populations. 

What Makes Nanoparticles Different? 

Nanoparticles (NPs) are extremely small particles with unique physical and biological properties. Their small size and large surface-area-to-volume ratio allow them to interact efficiently with microbes, viruses, and biological tissues⁵. 

According to the review, nanoparticles possess^1,6,7: 

• Antiviral properties  
• Antimicrobial activity 
• Antifungal effects  

• Antioxidant capabilities  
• Anti-parasitic potential 

These properties are making nanotechnology increasingly important in medicine, diagnostics, and vaccine research. 

How Nanoparticles Act Against Viruses 

Nanoparticles mainly interfere with viral activity by¹: 

• Blocking viral attachment to host cells  

• Preventing viral entry into cells  
• Inhibiting viral replication 
• Altering viral capsid structure and reducing virulence 

Some nanoparticles may also modify membrane potential, reducing viral penetration into host cells  

Nanoparticles Showing Promise Against FMDV 

Several nanoparticle systems discussed in the review demonstrated promising activity against FMDV. 

Zinc oxide nanoparticles (ZnO NPs) showed the ability to block viral entry into cells and exert virostatic activity. Gold nanoparticles (AuNPs) reduced viral titers by interfering with post-entry stages of viral replication^8,9. 

Another important finding involved chitosan-stabilized silver nanoparticles. These nanoparticles effectively inhibited FMDV replication at low concentrations without cytotoxicity to BHK-21 cells¹⁰. 

Such findings suggest that nanoparticle-based antiviral strategies may eventually complement traditional vaccination approaches. 

Nanovaccines and Smarter Drug Delivery¹ 

Nanocarriers are capable of delivering drugs or vaccine components directly to target tissues. Their small size and large surface area improve drug stability, controlled release, and targeted delivery. 

The review also discusses nanoparticle-assisted vaccine systems such as: 

• Gold nanoparticle-linked virus-like particles 
• Calcium phosphate nanoparticle vaccine conjugates 

• PLGA nanoparticle-assisted DNA vaccines 

These systems may improve both humoral and cellular immune responses. 

Green Synthesis and Eco-Friendly Approaches 

Modern nanoparticle production is increasingly shifting toward biological or “green” synthesis methods. These approaches use plants, fungi, bacteria, and biomolecules for nanoparticle formation¹.  

Green synthesis methods are gaining popularity because they are: 

• More eco-friendly 
• Cost-effective 
• Less toxic 
• Easier to scale for biomedical applications¹ 

This may become especially important in livestock medicine where large-scale applications require affordable and safe technologies. 

Toxicity and Safety Concerns 

Despite their potential, nanoparticles are not entirely risk-free. The review highlights concerns regarding: 

• Chronic toxicity  
• Immune toxicity  
• Reproductive toxicity  
• Epigenetic effects 

Some nanoparticles may influence gene expression and cellular regulation mechanisms through microRNA alterations¹. 

Further toxicological evaluation is therefore essential before widespread field-level applications. 

What Future Field Applications Could Look Like 

Nanotechnology may eventually reshape how viral diseases are diagnosed, prevented, and treated in livestock populations. Future applications could include rapid antiviral therapies, smarter vaccine delivery systems, and more stable vaccines for challenging field conditions. 

Although more research is still required, nanoparticles are steadily emerging as one of the most promising future tools in bovine viral disease control. 

References 

1. Abbas RZ, Ambrose S, Khan AM, Mobashar M, Mohamed K. Nanoparticles as an alternative strategy to control foot and mouth disease virus in bovines. Biological Trace Element Research. 2025 Sep;203(9):4590-606. https://www.researchgate.net/profile/Arslan-Muhammad-Ali-Khan/publication/388798066_Nanoparticles_as_an_Alternative_Strategy_to_Control_Foot_and_Mouth_Disease_Virus_in_Bovines/links/67a73804461fb56424cddca7/Nanoparticles-as-an-Alternative-Strategy-to-Control-Foot-and-Mouth-Disease-Virus-in-Bovines.pdf 

2. Singh RK, Sharma GK, Mahajan S, Dhama K, Basagoudanavar SH, Hosamani M, Sreenivasa BP, Chaicumpa W, Gupta VK, Sanyal A. Foot-and-mouth disease virus: immunobiology, advances in vaccines and vaccination strategies addressing vaccine failures—an Indian perspective. Vaccines. 2019 Aug 16;7(3):90. https://www.mdpi.com/2076-393X/7/3/90 

3. Hardham JM, Krug P, Pacheco JM, Thompson J, Dominowski P, Moulin V, Gay CG, Rodriguez LL, Rieder E. Novel foot-and-mouth disease vaccine platform: formulations for safe and DIVA-compatible FMD vaccines with improved potency. Frontiers in Veterinary Science. 2020 Sep 25;7:554305. https://www.frontiersin.org/journals/veterinary-science/articles/10.3389/fvets.2020.554305/pdf 

4. Li J, Chang Y, Yang S, Zhou G, Wei Y. Formulation enhanced the stability of Foot-and-mouth virus and prolonged vaccine storage. Virology Journal. 2022 Dec 3;19(1):207. https://link.springer.com/content/pdf/10.1186/s12985-022-01928-6.pdf 

5. ÖZİÇ C, YILDIZ B, Demirel R, ÖZDEN Ö. Effects of zinc oxide nanoparticles on pyruvate dehydrogenase and lactate dehydrogenase expressions and apoptotic index in breast cancer cells. Kafkas Univ Vet Fak Derg. 2024 Jul 1;30:489-96. https://vetdergikafkas.org/uploads/full_issue_pdf/full_issue_pdf_220.pdf#page=87 

6. Sánchez-López E, Gomes D, Esteruelas G, Bonilla L, Lopez-Machado AL, Galindo R, Cano A, Espina M, Ettcheto M, Camins A, Silva AM. Metal-based nanoparticles as antimicrobial agents: an overview. Nanomaterials. 2020 Feb 9;10(2):292. https://www.mdpi.com/2079-4991/10/2/292 

7. Ge X, Cao Z, Chu L. The antioxidant effect of the metal and metal-oxide nanoparticles. Antioxidants. 2022 Apr 18;11(4):791. https://www.mdpi.com/2076-3921/11/4/791’ 

8. Venkataraman S, Reddy VS, Khurana SP. Biomedical applications of viral nanoparticles in vaccine therapy. InNanoBioMedicine 2020 Feb 4 (pp. 213-236). Singapore: Springer Singapore. https://www.researchgate.net/profile/Gunjan-Dagar/publication/339006590_Nanoparticles_as_Potential_Endocrine_Disruptive_Chemicals/links/62556edbcf60536e235796de/Nanoparticles-as-Potential-Endocrine-Disruptive-Chemicals.pdf#page=220 

9. El-Mohamady RS, Ghattas TA, Zawrah MF, Abd El-Hafeiz YG. Inhibitory effect of silver nanoparticles on bovine herpesvirus-1. International journal of veterinary science and medicine. 2018 Dec 1;6(2):296-300. https://www.tandfonline.com/doi/pdf/10.1016/j.ijvsm.2018.09.002 

10. Maina TW, Grego EA, Boggiatto PM, Sacco RE, Narasimhan B, McGill JL. Applications of nanovaccines for disease prevention in cattle. Frontiers in bioengineering and biotechnology. 2020 Dec 11;8:608050.https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2020.608050/pdf