Key result
Administration of the PRR blocker handle region peptide significantly decreased 6-hydroxydopamine-induced dopaminergic cell death in mesencephalic cultures.
Angiotensin II-independent PRR intracellular signaling may exacerbate dopaminergic cell death, suggesting PRR blockade as a potential neuroprotective strategy in Parkinson's disease.
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May support PRR blockade for neuroprotection in Parkinson's; hypothesis-generating from animal cultures and leaves clinical translation open.
Valenzuela et al. (2010) studied Parkinson disease model (6-hydroxydopamine-induced dopaminergic cell death). PRR blocker (handle region peptide) was evaluated on 6-hydroxydopamine-induced dopaminergic cell death. Administration of the PRR blocker handle region peptide significantly decreased 6-hydroxydopamine-induced dopaminergic cell death in mesencephalic cultures.
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