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    "headline": "Researchers Find Dopamine Deficit Causes Breathing Issues in Rett Syndrome",
    "dek": "UConn researchers link Rett syndrome breathing instability to dopamine loss in the carotid body.",
    "prose": "University of Connecticut researchers reported in Current Biology that abnormal breathing episodes in Rett syndrome are caused by a dopamine deficit in the carotid body. [^1]\n\nIn 2026, the Connecticut Department of Agriculture issued a reminder to horse and livestock owners to take preventive measures against mosquito-borne diseases, including West Nile virus (WNV) and eastern equine encephalitis (EEE). [^2]\n\nDan Mulkey, a neurophysiologist at UConn, stated that the loss of dopamine inhibition in the carotid body means the breathing system is 'driving without brakes'. [^3]\n\nMonica Strain, a neurophysiologist at Boston Children's Hospital, led the research using a mouse model lacking the MECP2 gene to study breathing patterns. [^4]\n\nTreatment with pramipexole, a drug typically used to treat Parkinson's disease, helped normalize breathing in MECP2-deficient mice. [^5]\n\nThe Connecticut Agricultural Experiment Station reported in 2026 that it had detected an increase in West Nile virus-infected mosquitoes in recent weeks. [^6]",
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