Cognitive frailty is defined as a clinical condition characterized by both physical frailty and cognitive impairment, without reaching the criteria for dementia. The major goal of rehabilitation intervention is to assist patients in performing ordinary personal duties without the assistance of another person, or at the very least to remove the need for additional support, using adaptive approaches and facilities. In this regard, home-based rehabilitation allows patients to continue an intervention begun in a hospital setting while also ensuring support and assistance when access to healthcare systems is limited, such as during the present pandemic situation. We thus present Brain m-App, a tablet-based application designed for home-based cognitive rehabilitation of frail subjects, addressing spatial memory, attention, and executive functions. This app exploits the potential of 360° videos which are well-suited to home-based rehabilitation. The Brain m-app is made up of 10 days of activities that include a variety of exercises. The activities were chosen based on those patients used to do during their clinical practice in the hospital with the aim to improve their independence and autonomy in daily tasks. The preliminary usability test, which was conducted on five older people, revealed a sufficient level of usability, however, the sample size was modest. Results from the clinical study with 10 patients, revealed that Brain m-App improved especially executive functions and memory performances.
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http://dx.doi.org/10.3389/fnhum.2022.898633 | DOI Listing |
Int J Mol Sci
February 2023
Bioaraba, Neurofarmacología Celular y Molecular, 01008 Vitoria-Gasteiz, Spain.
In this report, we describe the kinetics characteristics of the diacylglycerol lipase-α (DGLα) located at the nuclear matrix of nuclei derived from adult cortical neurons. Thus, using high-resolution fluorescence microscopy, classical biochemical subcellular fractionation, and Western blot techniques, we demonstrate that the DGLα enzyme is located in the matrix of neuronal nuclei. Furthermore, by quantifying the 2-arachidonoylglycerol (2-AG) level by liquid chromatography and mass spectrometry when 1-stearoyl-2-arachidonoyl-sn-glycerol (SAG) was exogenously added as substrate, we describe the presence of a mechanism for 2-AG production through DGLα dependent biosynthesis with an apparent () of 180 µM and a of 1.
View Article and Find Full Text PDFFront Hum Neurosci
June 2022
Applied Technology for Neuro-Psychology Lab, I.R.C.C.S. Istituto Auxologico Italiano, Milan, Italy.
Cognitive frailty is defined as a clinical condition characterized by both physical frailty and cognitive impairment, without reaching the criteria for dementia. The major goal of rehabilitation intervention is to assist patients in performing ordinary personal duties without the assistance of another person, or at the very least to remove the need for additional support, using adaptive approaches and facilities. In this regard, home-based rehabilitation allows patients to continue an intervention begun in a hospital setting while also ensuring support and assistance when access to healthcare systems is limited, such as during the present pandemic situation.
View Article and Find Full Text PDFComp Biochem Physiol C Toxicol Pharmacol
August 2019
Federal University of Alagoas, Institute of Chemistry and Biotechnology, Av. Lourival Melo Mota, S/N, Tabuleiro do Martins, Maceió, AL, Brazil.
Acetylcholinesterase (AChE) plays an important role in the therapy of Alzheimer's disease and in the detection of pesticides such as organophosphates which are also widely used in chemical warfare. The aim of this study is the physicochemical and kinetic characterization of brain and muscle ChE from Danio rerio (Zebrafish). Optimal activity was found for brain ChE at alkaline pH 9.
View Article and Find Full Text PDFExp Physiol
March 2008
Department of Physiology, Faculty of Medicine, Kuwait University, Kuwait.
Sheep choroid plexus epithelium expresses equilibrative nucleoside transporters (ENT) 1 and 2 and concentrative nucleoside transporter 2 at the transcript level. This study aimed to explore the kinetics and functional role of these transporters at the basolateral side of the sheep choroid plexus epithelium perfused in situ. The cellular uptake of [(3)H]adenosine and [(3)H]uridine was insensitive to 1 microm nitrobenzylthioinosine (NBTI), and the uptake of [(3)H]adenosine was reduced significantly when 10 microm NBTI was present in low-Na(+) Ringer solution.
View Article and Find Full Text PDFJ Biochem
May 2006
Departments of Molecular Enzymology and Molecular Physiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto 860-8556.
Comparison of the primary structures of pig kidney D-amino acid oxidase (DAO) and human brain D-aspartate oxidase (DDO) revealed a notable difference at I215-N225 of DAO and the corresponding region, R216-G220, of DDO. A DAO mutant, in which I215-N225 is substituted by R216-G220 of DDO, showed D-aspartate-oxidizing activity that wild-type DAO does not exhibit, together with a considerable decrease in activity toward D-alanine. These findings indicate that I215-N225 of DAO contributes profoundly to its substrate specificity.
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