Related Experiment Video
Updated: Dec 31, 2025

Assay for Phosphorylation and Microtubule Binding Along with Localization of Tau Protein in Colorectal Cancer Cells
Published on: October 10, 2017
Phosphorylation Signaling in APP Processing in Alzheimer's Disease
Tao Zhang1, Dongmei Chen1, Tae Ho Lee1
1Fujian Key Laboratory for Translational Research in Cancer and Neurodegenerative Diseases, Institute for Translational Medicine, School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, China.
Phosphorylation of amyloid precursor protein (APP) and its processing enzymes influences amyloid-beta (Aβ) accumulation in Alzheimer's disease (AD). Targeting these phosphorylation pathways offers potential therapeutic strategies for AD.
Area of Science:
- Neuroscience
- Biochemistry
- Molecular Biology
Background:
- Alzheimer's disease (AD) is characterized by abnormal amyloid-beta (Aβ) accumulation in the central nervous system.
- Amyloid precursor protein (APP) processing is crucial for Aβ generation.
- Phosphorylation of APP and secretases regulates Aβ production and APP function.
Purpose of the Study:
- To review kinases and signaling pathways involved in APP and secretase phosphorylation.
- To explore how phosphorylation affects APP processing and Aβ pathology.
- To discuss therapeutic potential of modulating these pathways for AD.
Main Methods:
- Literature review of studies on APP phosphorylation and Alzheimer's disease.
- Analysis of signaling pathways regulating secretase activity.
- Examination of the impact of phosphorylation on APP processing.
Main Results:
- Phosphorylation critically modulates APP processing by affecting APP localization and secretase activity.
- Specific kinases and signaling pathways are identified as key regulators.
- Altered phosphorylation impacts Aβ generation and overall AD pathology.
Conclusions:
- Modulating APP and secretase phosphorylation is a promising therapeutic avenue for Alzheimer's disease.
- Understanding these phosphorylation-dependent mechanisms is vital for developing novel AD interventions.
- Targeting specific kinases offers a potential strategy to reduce Aβ pathology.
Related Concept Videos
Alzheimer's Disease: Overview
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ...
Phosphorylation
During phosphorylation, protein kinases transfer the terminal phosphate group of ATP to specific amino acid side chains of substrate proteins. Serine, threonine, and tyrosine are the most commonly...
Protein Kinases and Phosphatases
Protein kinases
Many proteins in the cell are regulated by phosphorylation, the addition of a phosphate group. A family of enzymes called kinases...
Alzheimer's Disease: Treatment
Calmodulin-dependent Signaling
The Ca2+-CaM complex does not have enzymatic activity by itself. Instead, the complex binds downstream target proteins, including membrane proteins or enzymes,...
Amplifying Signals via Enzymatic Cascade

