Yale Study Links EBV to Multiple Sclerosis
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- Yoshiaki Yasumizu led Yale researchers who examined 617,186 people, discovering that just 1 % of participants harbored 64 % of all EBV DNA measured in blood.
- UK Biobank supplied genomic and health record data that enabled detection of EBV DNA across a massive population cohort.
- All of Us data helped identify 39 genetic regions associated with heightened EBV load, many of which coincide with known multiple sclerosis risk loci.
- Kate Attfield (Oxford) stressed that EBV lives inside B‑cells, manipulating them for the virus’s advantage.
- Epstein‑Barr virus was shown to hijack B‑cells and activate MS‑risk genes, providing a mechanistic bridge between infection and autoimmunity.
Why it matters: MS patients (≈2 M) gain a concrete biological target; biotech firms lose ambiguity, enabling faster, cheaper therapeutic pipelines that will slash R&D spending by billions and speed vaccine‑like preventive trials.
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