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  2. Signs and symptoms of Parkinson's disease - Wikipedia

    en.wikipedia.org/wiki/Signs_and_symptoms_of...

    Parkinson's Disease causes constipation and gastric dysmotility that is severe enough to endanger comfort and even health. [26] A factor in this is the appearance of Lewy bodies and Lewy neurites even before these affect the functioning of the substantia nigra in the neurons in the enteric nervous system that control gut functions. [27]

  3. Parkinson's disease and gut-brain axis - Wikipedia

    en.wikipedia.org/wiki/Parkinson's_Disease_and_Gut...

    Parkinson's disease (PD), the second most common neurodegenerative disease after Alzheimer's disease, affects 1% of people over 60 years of age. [1] [2] [3] In the past three decades, the number of PD cases has doubled globally from 2.5 million in 1990 to 6.1 million in 2016. [4] [5] As of 2022, there are ~10 million PD cases globally. [6]

  4. Dihydrotetrabenazine - Wikipedia

    en.wikipedia.org/wiki/Dihydrotetrabenazine

    VMAT2 is a membrane bound protein and a biomarker for Parkinson's disease. Binding of DTBZ to VMAT2 in individuals with Parkinson's disease is significantly reduced. [5] Moreover, the VMAT2 density as determined by [18 F]DTBZ has been shown to be well, inversely correlated with the severity of Parkinson's disease. [6]

  5. Biomarker - Wikipedia

    en.wikipedia.org/wiki/Biomarker

    In Parkinson's disease (PD), for example, finger tapping a mobile phone via counting apps have been used as a method of (self-)evaluating bradykinesia and effectiveness of medication. [16] Digital biomarkers are currently being used in conjugation with artificial intelligence (A.I.) in order to recognize symptoms for mild cognitive impairment ...

  6. Imaging biomarker - Wikipedia

    en.wikipedia.org/wiki/Imaging_biomarker

    An imaging biomarker is a biologic feature, or biomarker detectable in an image. [1] In medicine, an imaging biomarker is a feature of an image relevant to a patient's diagnosis. For example, a number of biomarkers are frequently used to determine risk of lung cancer .

  7. DaT scan - Wikipedia

    en.wikipedia.org/wiki/DAT_Scan

    DaT Scan (DaT scan or Dopamine Transporter Scan) commonly refers to a diagnostic method, based on SPECT imaging, to investigate if there is a loss of dopaminergic neurons in striatum. The term may also refer to a brand name of Ioflupane (123I) tracer used for the study.

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