期刊
GEROSCIENCE
卷 44, 期 2, 页码 785-803出版社
SPRINGER
DOI: 10.1007/s11357-022-00530-6
关键词
Parkinson's disease; DBS; PACAP plasma level; Biomarker
资金
- University of Pecs
- Hungarian Scientific Research Fund [K119759, K129190, K135457]
- Hungarian Brain Research Program [GINOP2.3.2-15-2016-00050, 2017-1.2.1-NKP-2017-00002]
- Hungarian Academy of Sciences [MTA-TKI-14016]
- University of Pecs Medical School KA Research Grant [KA-2019-30]
- Thematic Excellence Program 2021 Health Sub-programme of the Ministry for Innovation and Technology in Hungary
- National Research, Development and Innovation Fund of Hungary under the TKP2021EGA funding scheme [TKP2021-EGA-16]
- ELIXIR Hungary
- [GINOP-2.3.4-15-202000010]
- [GINOP-2.3.1-20-202000001]
- [ERASMUS + -2019-0-HU01-KA203-061251]
The study found that PACAP levels were significantly decreased in PD patients without DBS therapy and in the akinetic-rigid subtype. However, there were no significant correlations between PACAP levels and other clinical parameters. The results suggest that monitoring PACAP alterations in PD patients could improve therapeutic interventions and provide a clearer prognosis for the disease.
The neuroprotective effects of pituitary adenylate cyclase-activating polypeptide (PACAP) have been shown in numerous in vitro and in vivo models of Parkinson's disease (PD) supporting the theory that PACAP could have an important role in the pathomechanism of the disorder affecting mostly older patients. Earlier studies found changes in PACAP levels in neurological disorders; therefore, the aim of our study was to examine PACAP in plasma samples of PD patients. Peptide levels were measured with ELISA and correlated with clinical parameters, age, stage of the disorder based on the Hoehn and Yahr (HY) scale, subtype of the disease, treatment, and specific scores measuring motor and non-motor symptoms, such as movement disorder society-unified Parkinson's disease rating scale (MDS-UPDRS), Epworth sleepiness scale (ESS), Parkinson's disease sleep scale (PDSS-2), and Beck depression inventory (BDI). Our results showed significantly decreased PACAP levels in PD patients without deep brain stimulation (DBS) therapy and in akinetic-rigid subtype; additionally we also observed a further decrease in the HY stage 3 and 4. Elevated PACAP levels were found in patients with DBS. There were no significant correlations between PACAP level with MDS-UPDRS, type of pharmacological treatment, PDSS-2 sleepiness, or depression (BDI) scales, but we found increased PACAP level in patients with more severe sleepiness problems based on the ESS scale. Based on these results, we suggest that following the alterations of PACAP with other frequently used clinical biomarkers in PD patients might improve strategic planning of further therapeutic interventions and help to provide a clearer prognosis regarding the future perspective of the disease.
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