Discover and read the best of Twitter Threads about #mRNAvaccinesagainst

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1. ENTER #mRNAvaccines for #pancreaticcancer! Long-term #PDAC survivor story PART3.

"Do #PDACs REALLY have vaccine neoantigens (NAs)"? (aren’t they lowly mutated?)

If each patient = own NAs, how do you vaccinate?

Maybe mRNA? But how?

@Nature nature.com/articles/s4158…

👇🏽 [1/32]
2. In 2017, we reported in @Nature here -> nature.com/articles/natur… -> that primary tumors of long-term survivors of #PDAC had ~12x more activated CD8 T cells vs. short-term survivors

AND

despite #PDAC’s few mutations, mutation-derived NAs may still be T cell antigens in #PDAC.
3. Now, prevailing belief ->#PDAC = few mutations = fewer mutation-derived NAs = NAs unlikely #PDAC T cell antigens.

BUT...our #NeoantigenQualityModel(estimates the ~1-2% of immunogenic NAs)

found that long term #PDACsurvivors ∝ more “high quality” NAs ∝longer survival. Image
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