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Tattooing Improves Response To DNA Vaccine

Date:
February 11, 2008
Source:
BioMed Central
Summary:
A tattoo can be more than just a fashion statement -- it has potential medical value, according to a new article. Tattooing is a more effective way of delivering DNA vaccines than intramuscular injection.

A tattoo can be more than just a fashion statement -- it has potential medical value, according to an article published in the online open access journal, Genetic Vaccines and Therapy.

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Martin Mόller and his team at the Deutsches Krebsforschungszentrum (German Cancer Research Center), Heidelberg, Germany, have shown that tattooing is a more effective way of delivering DNA vaccines than intramuscular injection.

Using a coat protein from the human papillomavirus (HPV, the cause of cervical cancer) as a model DNA vaccine antigen, they compared delivery by tattooing the skin of mice with standard intramuscular injection with, and without, the molecular adjuvants that are often given to boost immune response.

The tattoo method gave a stronger humoral (antibody) response and cellular response than intramuscular injection, even when adjuvants were included in the latter. Three doses of DNA vaccine given by tattooing produced at least 16 times higher antibody levels than three intramuscular injections with adjuvant. The adjuvants enhanced the effect of intramuscular injection, but not of tattooing.

Tattooing is an invasive procedure done with a solid vibrating needle, causing a wound and sufficient inflammation to 'prime' the immune system. It also covers a bigger area of the skin than an injection, so the DNA vaccine can enter more cells. These effects may account for the stronger immune response arising from introducing a DNA vaccine into the body by tattooing. Of course, the tattooing approach may not be to everyone's taste -- as it is likely to hurt -- but the researchers believe that it could have a role in, for instance, routine vaccination of cattle or in delivering therapeutic (rather than prophylactic) vaccines to humans.

'Vaccination with naked DNA has been hampered by its low efficiency' says Mόller. 'Delivery of DNA via tattooing could be a way for a more widespread commercial application of DNA vaccines'

Journal reference:  DNA-vaccination via tattooing induces stronger humoral and cellular immune responses than intramuscular delivery supported by molecular adjuvants

Dana Pokorna, Ivonne Rubio and Martin Mόller. Genetic Vaccines and Therapy (in press)


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The above story is based on materials provided by BioMed Central. Note: Materials may be edited for content and length.


Cite This Page:

BioMed Central. "Tattooing Improves Response To DNA Vaccine." ScienceDaily. ScienceDaily, 11 February 2008. <www.sciencedaily.com/releases/2008/02/080206203106.htm>.
BioMed Central. (2008, February 11). Tattooing Improves Response To DNA Vaccine. ScienceDaily. Retrieved October 25, 2014 from www.sciencedaily.com/releases/2008/02/080206203106.htm
BioMed Central. "Tattooing Improves Response To DNA Vaccine." ScienceDaily. www.sciencedaily.com/releases/2008/02/080206203106.htm (accessed October 25, 2014).

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