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Johns Hopkins researchers have identified a specific cell death pathway named Parthanatos — after Thanatos, the ancient Greek personification of death — that leads to the physical and intellectual degeneration associated with Parkinson’s disease. They also found that a protein called PARP-1 is a key mediator of cell death via Parthanatos, supporting the…

Oral administration of a small molecule specifically blocked the activation of a stress-sensing protein complex called the NLRP3 inflammasome and prevented the loss of brain cells, resulting in significantly improved motor function in a mouse model of Parkinson’s disease, a study reports. Findings also revealed that the inflammasome is activated in Parkinson’s patients.

Patients with middle-onset Parkinson’s disease have difficulties recognizing negative and neutral emotions, deficits that appear to be even stronger in female patients, a study shows. The study, “Emotion-Specific Affective Theory of Mind Impairment in Parkinson’s Disease,” was published in the journal Scientific Reports. Parkinson’s disease…