Abstract
High-temperature-requirement A2 (HtrA2)/Omi/PARK13 is a serine protease with extensive homology to the Escherichia coli HtrAs that are required for bacterial survival at high temperatures. The HtrA2 protein is a key modulator of mitochondrial molecular quality control but under stressful conditions it is released into the cytosol, where it promotes cell death by various pathways, including caspase-dependent pathway and ER stress-mediated apoptosis. Recently, the HtrA2 protein has received great attention for its potential role in neurodegeneration. Here, we review the current knowledge and pathophysiological functions of the HtrA2 protein in neurodegenerative disorders such as Parkinson’s and Alzheimer’s disease.
Keywords: Alzheimer's disease, apoptosis, HtrA2, HtrA2 interacting proteins, mitochondria, Parkinson’s disease, protein quality control.
Graphical Abstract
Call for Papers in Thematic Issues
Advancements in Proteomic and Peptidomic Approaches in Cancer Immunotherapy: Unveiling the Immune Microenvironment
The scope of this thematic issue centers on the integration of proteomic and peptidomic technologies into the field of cancer immunotherapy, with a particular emphasis on exploring the tumor immune microenvironment. This issue aims to gather contributions that illustrate the application of these advanced methodologies in unveiling the complex interplay ...read more
Artificial Intelligence for Protein Research
Protein research, essential for understanding biological processes and creating therapeutics, faces challenges due to the intricate nature of protein structures and functions. Traditional methods are limited in exploring the vast protein sequence space efficiently. Artificial intelligence (AI) and machine learning (ML) offer promising solutions by improving predictions and speeding up ...read more
Nutrition and Metabolism in Musculoskeletal Diseases
The musculoskeletal system consists mainly of cartilage, bone, muscles, tendons, connective tissue and ligaments. Balanced metabolism is of vital importance for the homeostasis of the musculoskeletal system. A series of musculoskeletal diseases (for example, sarcopenia, osteoporosis) are resulted from the dysregulated metabolism of the musculoskeletal system. Furthermore, metabolic diseases (such ...read more
Protein Folding, Aggregation and Liquid-Liquid Phase Separation
Protein folding, misfolding and aggregation remain one of the main problems of interdisciplinary science not only because many questions are still open, but also because they are important from the point of view of practical application. Protein aggregation and formation of fibrillar structures, for example, is a hallmark of a ...read more
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