Phospho-p38 (Thr180/Tyr182)抗体;Phospho-p38 (Thr180/Tyr182) Antibody—艾普蒂

+ +

•  

   

     Western blot analysis of Phospho-p38 (Thr180/Tyr182) in 293, 3T3 lysates using Phospho-p38 (Thr180/Tyr182) antibody.    

  
  

Phospho-p38 (Thr180/Tyr182) antibodies are essential tools for studying the activation status of p38 mitogen-activated protein kinase (MAPK), a key signaling molecule involved in cellular responses to stress, inflammation, and apoptosis. The p38 MAPK pathway is activated by diverse stimuli, including cytokines, UV radiation, and osmotic stress. Its activation requires dual phosphorylation at conserved threonine (Thr180) and tyrosine (Tyr182) residues within the activation loop, mediated by upstream MAPK kinases (MKK3/6). This phosphorylation induces conformational changes, enabling p38 to phosphorylate downstream targets like transcription factors (e.g., ATF-2. CREB) and kinases (e.g., MAPKAPK2), which regulate gene expression, cell survival, and inflammatory responses.

Phospho-specific antibodies targeting Thr180/Tyr182 allow researchers to distinguish activated p38 from its inactive form, providing insights into pathway dynamics in physiological and pathological contexts. These antibodies are widely used in techniques like Western blotting, immunofluorescence, and flow cytometry to study p38 activation in diseases such as cancer, autoimmune disorders, and neurodegenerative conditions. They also aid in evaluating drug efficacy, as p38 inhibitors are explored for therapeutic applications. Validation of these antibodies includes testing in knockout models or with phosphatase-treated lysates to confirm specificity. Proper controls are critical, as cross-reactivity with other phosphorylated MAPKs (e.g., JNK, ERK) may occur. Overall, these antibodies are pivotal for dissecting p38 MAPK signaling mechanisms in health and disease.