Monday, May 20, 2024

Asthma vaccine effective in animal trials

French researchers have developed a vaccine that could induce long-term protection against allergic asthma, Medical Xpress reports. Their research on mice has been published in the journal Nature Communications. A team from Inserm, Institut Pasteur, and the company NEOVACS, have developed a conjugate vaccine, called a kinoid, by coupling the recombinant cytokines IL-4 and IL-13 with a carrier protein called CRM197 (a non-pathogenic mutated form of the diphtheria toxin, used in many conjugate vaccines). The preclinical results (in animal models) show that this vaccine induces the sustained production of antibodies specifically directed against IL-4 and IL-13. Six weeks after the first injection of the conjugate vaccine, 90% of the mice presented high levels of antibodies. Over one year after primary immunization, 60% of them still had antibodies capable of neutralizing IL-4 and IL-13 activity.

 

https://medicalxpress.com/news/2021-05-asthma-vaccine-effective-mice.html

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