{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreiaxqb5uohfp2xa4quxfhb5u3hieoh6gw4q3kpayrxyotolet5mfcq",
    "uri": "at://did:plc:pmmp7irwts7faw56jdxk3idc/app.bsky.feed.post/3mnb4n2rg3c62"
  },
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreigsrxev3vy3eeq7xbouvcjqnywpox5g4nz2vd2wofcubogg3my6ra"
    },
    "mimeType": "image/jpeg",
    "size": 281252
  },
  "path": "/news/2026-06-tumors-resist-immunotherapy-blocking-mir.html",
  "publishedAt": "2026-06-01T18:00:03.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "Immune checkpoint therapy, a type of cancer immunotherapy that helps the immune system recognize and attack tumors, has transformed cancer treatment. While these therapies can produce long-lasting benefits for some patients, many cancers either fail to respond or become resistant over time.",
  "title": "Why some tumors resist immunotherapy: Blocking miR-25 may help turn 'cold' cancers 'hot'"
}