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Researchers studying mRNA COVID-19 vaccines say they have identified a possible<\/p>\n
biological mechanism that may help explain rare cases of myocarditis, particularly in younger males.<\/p>\n
While the vaccines are widely considered highly effective and generally safe, myocarditis has been observed in a small number of cases, and scientists have been trying to understand why it occurs.<\/p>\n
A Stanford Medicine\u2013related study suggests that immune signaling proteins called CXCL10 and IFN-gamma may be involved in triggering inflammatory responses.<\/p>\n
In lab and animal models, certain immune cells exposed to vaccine components produced these signals, which were linked to inflammation that could affect heart tissue.<\/p>\n
These findings offer a potential explanation for how rare heart inflammation cases might develop after vaccination.<\/p>\n
However, researchers emphasize that the overall risk remains very low and that COVID-19 infection itself carries a higher risk of myocarditis and other complications.<\/p>\n
The study also showed that blocking these inflammatory signals reduced heart-related damage in experimental settings, though it did not eliminate the broader immune response.<\/p>\n
While compounds like genistein showed some protective effects in models, scientists stress that this is early research and not an immediate treatment recommendation.<\/p>\n","protected":false},"excerpt":{"rendered":"
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