**Background of MAPK8IP3 Antibody**
MAPK8IP3 (Mitogen-Activated Protein Kinase 8 Interacting Protein 3), also known as JIP3 or JSAP1. is a scaffold protein that regulates the c-Jun N-terminal kinase (JNK) signaling pathway. It interacts with JNK, upstream kinases, and other signaling components to modulate cellular responses to stress, apoptosis, inflammation, and neuronal development. MAPK8IP3 is highly expressed in the brain, where it plays a critical role in axonal transport by linking motor proteins (e.g., kinesin, dynein) to cargo vesicles, ensuring proper neuronal function. Dysregulation of MAPK8IP3 is implicated in neurodegenerative disorders (e.g., Alzheimer’s disease), neurodevelopmental defects, and cancer.
Antibodies targeting MAPK8IP3 are essential tools for studying its expression, localization, and interactions. They are commonly used in techniques like Western blotting, immunohistochemistry (IHC), and immunoprecipitation (IP) to investigate JNK pathway dynamics, neuronal trafficking mechanisms, or disease-associated alterations. Many MAPK8IP3 antibodies are raised against specific epitopes (e.g., C-terminal regions) and validated for specificity using knockout models or siRNA knockdown. These antibodies have advanced research in neurobiology, oncology, and cellular stress responses, providing insights into disease mechanisms and potential therapeutic targets.