> Tool limitation for citations: no citable contexts were retrievable in this session, so the response is a provisional synthesis based on the user-provided seed PMIDs and general domain knowledge.
>
> Seed PubMed URLs for manual verification:
>
> PMID:25062452 — https://pubmed.ncbi.nlm.nih.gov/25062452/
>
> PMID:32402064 — https://pubmed.ncbi.nlm.nih.gov/32402064/
>
> PMID:34718620 — https://pubmed.ncbi.nlm.nih.gov/34718620/
>
> PMID:35718780 — https://pubmed.ncbi.nlm.nih.gov/35718780/


*Blockquote: This blockquote records that no citable contexts were available in the current tool run. It preserves the seed PubMed links as manual-verification pointers for the provisional SYCE1 mechanism summary.*
