In this chapter, we describe methods for the purification of both untagged and polyhistidine-tagged tau protein. These protocols utilize a bacterial expression system to produce the tau isoform of interest, followed by heat treatment and column chromatography to separate tau from impurities. These techniques yield a biochemically pure protein with which to pursue any number of questions regarding the mechanisms of tau action.
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http://dx.doi.org/10.1016/bs.mcb.2017.06.001 | DOI Listing |
Curr Pharm Biotechnol
January 2025
Department of Pharmacy, Sumandeep Vidyapeeth Deemed to be University, AT & Po Piparia, Waghodia, Vadodara, Gujarat, India.
Alzheimer's disease (AD) remains a major challenge in developing effective treatments due to its complex pathophysiology, including the accumulation of amyloid-beta plaques and tau tangles. Small interfering RNA (siRNA) technology offers promise for targeted gene silencing, but effective delivery to the central nervous system remains a significant obstacle. Viral vectors have emerged as potent delivery vehicles for transporting siRNA to neural tissues.
View Article and Find Full Text PDFBMJ Open
December 2024
North Region and Department of Psychosis, Institute of Mental Health, Singapore.
Introduction: There are insufficient scalable, evidence-based treatments to meet increasing mental health needs of young people. Offering interim, brief interventions for young persons with psychological distress can improve access to care and mitigate adverse effects of long waiting times. This study tests the efficacy of solution-focused brief therapy (SFBT), a strength-based, goal-directed intervention, in adolescents and young adults at a community-based youth mental health service in Singapore.
View Article and Find Full Text PDFJ Eat Disord
January 2025
Dipartamento di Psicologia Generale, Università degli Studi di Padova, Padua, Italy.
Background: Poor quality of life in adults with anorexia nervosa (AN) and persistent high rates of readmission highlight the necessity of developing interventions to optimize treatment outcomes. ECHOMANTRA is a novel online intervention based on interventions for carers (Experienced Carers Helping Others, ECHO) and patients (Maudsley Model of Anorexia Nervosa Treatment for Adults, MANTRA) with anorexia nervosa. The objective of this paper is to describe the study protocol of a randomized control trial (RCT) aimed at evaluating the efficacy of an adaptation of the ECHOMANTRA for adults AN inpatients and outpatients, and their carers, to be implemented as an add-on to treatment-as-usual (TAU).
View Article and Find Full Text PDFAlzheimers Res Ther
January 2025
Radiology Department, Second Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong, China.
Background: The imbalance of glutamate (Glu) and gamma-aminobutyric acid (GABA) neurotransmitter system plays a crucial role in the pathogenesis of Alzheimer's disease (AD). Riluzole is a Glu modulator originally approved for amyotrophic lateral sclerosis that has shown potential neuroprotective effects in various neurodegenerative disorders. However, whether riluzole can improve Glu and GABA homeostasis in AD brain and its related mechanism of action remain unknown.
View Article and Find Full Text PDFMol Neurodegener
January 2025
College of Life Sciences and Oceanography, Brain Disease and Big Data Research Institute, Shenzhen University, Shenzhen, 518060, Guangdong, China.
Background: Astrocytes, the most abundant glial cell type in the brain, will convert into the reactive state in response to proteotoxic stress such as tau accumulation, a characteristic feature of Alzheimer's disease (AD) and other tauopathies. The formation of reactive astrocytes is partially attributed to the disruption of autophagy lysosomal signaling, and inhibiting of some histone deacetylases (HDACs) has been demonstrated to reduce the molecular and functional characteristics of reactive astrocytes. However, the precise role of autophagy lysosomal signaling in astrocytes that regulates tau pathology remains unclear.
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