{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreibb36zwtgnlh7ail4ytphljnw6yseg7gk4cia2k24axgvsrptm52q",
    "uri": "at://did:plc:pmmp7irwts7faw56jdxk3idc/app.bsky.feed.post/3mfrmlqwry4q2"
  },
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreieeq7er4d3p72szsqgrllnbjthzfaipplxvmlurxef6xqmi7whana"
    },
    "mimeType": "image/jpeg",
    "size": 142815
  },
  "path": "/news/2026-02-important-clue-healthy-heartbeats.html",
  "publishedAt": "2026-02-26T10:40:01.000Z",
  "site": "https://medicalxpress.com",
  "tags": [
    "Cardiology"
  ],
  "textContent": "A tiny region in a little-known muscle protein may hold the key to a healthy, steady heartbeat, as well as possible clues to future treatment of devastating heart ailments. Washington State University researchers have found a region of a protein called leiomodin that is critical in maintaining the length of tiny filaments that control a person's heartbeat. The work, in collaboration with researchers from the University of Arizona and Mount Sinai School of Medicine in New York, is featured in the journal Circulation Research.",
  "title": "Researchers find important clue to healthy heartbeats"
}