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  "path": "/news/2026-03-mitochondria-key-players-rare-disease.html",
  "publishedAt": "2026-03-17T19:20:01.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "Human cells have two copies of each chromosome, and this balance is essential for genes to be expressed in the appropriate proportions and for cells to function correctly. When errors occur during cell division and the number of chromosomes in the cell changes, \"aneuploidies\" arise—a genetic alteration associated with developmental diseases, certain hereditary syndromes, and various types of cancer.",
  "title": "Mitochondria identified as key players in a rare disease causing microcephaly"
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