Pemphigus foliaceous (PF) is a pustular, immune-mediated skin disease characterised by acantholytic cells and commonly treated with high doses of glucocorticoids. This report describes one case of feline PF successfully controlled using oral oclacitinib, suggesting a possible therapeutic alternative to glucocorticoids in some cases.

Coronavirus disease 2019 (COVID‐19), caused by severe acute respiratory syndrome‐related coronavirus 2 (SARS‐CoV‐2), was first reported in China on December 2019. Almost 5 months into the pandemic, little is still known about cutaneous manifestations in COVID‐19. In fact, the prevalence of cutaneous signs varies greatly in the literature, ranging from 0.2% to 20.4%. Given their potential association with COVID‐19, acral lesions have received special attention worldwide, both in the medical literature and the media. Our aim is to share our experience regarding acral manifestations during this pandemic.

The search for molecular biomarkers for diagnosing and classifying dementias is becoming a high priority need. Neurosin (Kallikrein 6, hk6) is one molecule with promising preliminary results since its levels in brain tissue, cerebrospinal fluid and blood have been found to be abnormal in Alzheimer's disease (AD). In this study, we measured plasmatic levels of neurosin in healthy individuals and patients with cognitive symptoms independently of what the final diagnosis was. We collected plasma samples from 228 controls and 447 patients finally diagnosed with either AD, Mild Cognitive Impairment, Dementia with Lewy Bodies or Parkinson-Dementia, Frontotemporal Dementia, Huntington's disease, Primary Progressive Aphasia, Corticobasal degeneration, Creutzfeldt-Jakob's disease or Pseudodementia. We found that plasmatic levels of neurosin increase with age in healthy individuals and decrease in patients with AD. Plasmatic levels of neurosin differ significantly between AD and Vascular Dementia, Pseudodementia and the control group. Analyses comparing any other form of neurodegenerative dementia to the AD group did not show significant differences. In conclusion, measurement of plasmatic levels of neurosin is useful to distinguish AD patients from subjects without neurodegenerative dementia (either Pseudodementia, Vascular Dementia or controls) although it is not useful to distinguish among neurodegenerative dementias.

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