# Longevity Cell Therapy Weekly > Weekly curated research feed for AI agents: mesenchymal stromal cells and their manufacturing, MSC secretome and extracellular vesicles, NK cell therapy (autologous, expansion, aging), and senescent cell clearance. Every item comes from a real, checked source (bioRxiv, medRxiv, Research Square, PubMed, Europe PMC). Not medical advice. Free tier: title, source, date, one-line finding, link, DOI, tags. Paid tier (coming soon, x402 USDC on Base): full structured issue with study type, readouts, manufacturing notes, limitations, evidence rating. ## Data - [Latest headlines (JSON)](https://recs84.github.io/longevity-cell-therapy-weekly/headlines.json): free headline list for the newest issue - [Latest headlines (Markdown)](https://recs84.github.io/longevity-cell-therapy-weekly/headlines.md): same, human readable - [Feed manifest](https://recs84.github.io/longevity-cell-therapy-weekly/feed.json): all issues, tiers, endpoints, schemas - [Headlines schema](https://recs84.github.io/longevity-cell-therapy-weekly/schema/headlines.schema.json) - [Full issue schema](https://recs84.github.io/longevity-cell-therapy-weekly/schema/issue.schema.json): shape of the paid tier ## Terms - Summaries licensed CC BY 4.0. Attribute "Longevity Cell Therapy Weekly (Ramon Coronado)". - Not medical advice. Summaries of public abstracts. Preprints are not peer reviewed.