The role of C9orf72 in neurodegenerative disorders: a systematic review, an updated meta-analysis, and the creation of an online database

…, D Rikos, A Provatas, K Dadouli, P Ntellas, P Tsitsi… - Neurobiology of …, 2019 - Elsevier
A pathologic expansion of a noncoding GGGGCC hexanucleotide repeat of the C9orf72
gene has been strongly associated with familial amyotrophic lateral sclerosis (ALS) and …

[HTML][HTML] Novel treatment opportunities against cognitive impairment in Parkinson's disease with an emphasis on diabetes-related pathways

H Green, P Tsitsi, I Markaki, D Aarsland… - CNS drugs, 2019 - Springer
Cognitive impairment is highly prevalent in patients with Parkinson’s disease (PD) and causes
adverse health outcomes. Novel procognitive therapies are needed to address this unmet …

[HTML][HTML] Synaptic proteins in CSF relate to Parkinson's disease stage markers

E Bereczki, A Bogstedt, K Höglund, P Tsitsi… - npj Parkinson's …, 2017 - nature.com
Recent findings of morphological and functional changes in Parkinson’s disease brains have
shown altered synapse formation, but their role in cognitive decline is still an area under …

Glycosphingolipid changes in plasma in Parkinson's disease independent of glucosylceramide levels

…, A Sturchio, DA Priestman, P Tsitsi… - Movement …, 2022 - Wiley Online Library
Background Alteration in glycosphingolipids (GSLs) in Parkinson's disease (PD) still needs
to be determined. Objectives We evaluated if PD subjects show abnormal GSLs levels …

Reduction of spontaneous cortical beta bursts in Parkinson's disease is linked to symptom severity

MC Vinding, P Tsitsi, J Waldthaler… - Brain …, 2020 - academic.oup.com
Parkinson’s disease is characterized by a gradual loss of dopaminergic neurons, which is
associated with altered neuronal activity in the beta-band (13–30 Hz). Assessing beta-band …

[HTML][HTML] Fixation duration and pupil size as diagnostic tools in Parkinson's disease

P Tsitsi, MN Benfatto, GÖ Seimyr… - Journal of …, 2021 - content.iospress.com
Background: Visual and oculomotor problems are very common in Parkinson’s disease (PD)
and by using eye-tracking such problems could be characterized in more detail. However, …

[HTML][HTML] Attenuated beta rebound to proprioceptive afferent feedback in Parkinson's disease

MC Vinding, P Tsitsi, H Piitulainen, J Waldthaler… - Scientific reports, 2019 - nature.com
Motor symptoms are defining traits in the diagnosis of Parkinson’s disease (PD). A crucial
component in motor function is the integration of afferent proprioceptive sensory feedback. …

[HTML][HTML] Vertical saccades and antisaccades: complementary markers for motor and cognitive impairment in Parkinson's disease

J Waldthaler, P Tsitsi, P Svenningsson - npj Parkinson's Disease, 2019 - nature.com
Previous studies provide partly contradictory results about the characteristics of saccades in
PD and the possible effects of levodopa, which may be attributed to different study design …

Cerebrospinal Fluid Levels of Kininogen‐1 Indicate Early Cognitive Impairment in Parkinson's Disease

I Markaki, S Bergström, P Tsitsi, J Remnestål… - Movement …, 2020 - Wiley Online Library
Background Cognitive impairment is common in patients with PD. Core markers of Alzheimer's
dementia have been related also to PD dementia, but no disease‐specific signature to …

A phase 2a trial investigating the safety and tolerability of the novel cortical enhancer IRL752 in Parkinson's disease dementia

…, A Johansson, S Grigoriou, P Tsitsi… - Movement …, 2020 - Wiley Online Library
Background IRL752 is a novel small‐molecule compound that acts to regioselectively enhance
norepinephrine, dopamine, and acetylcholine neurotransmission in the cerebral cortex. …