Comprehensive Analysis of Interleukin-17A and Its Receptor IL-17RA: From Basic Research to Clinical Detection
Interleukin-17A (IL-17A), commonly referred to as IL-17, is a key cytokine in the human immune defense system.
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1. What are the core biological characteristics and discovery history of IL-17A?
Interleukin-17A (IL-17A), commonly referred to as IL-17, is a key cytokine in the human immune defense system. Its discovery initially stemmed from transcriptional studies of rodent T cells, after which scientists confirmed its expression by activated CD4+ T cells and its ability to induce fibroblasts to produce inflammatory mediators such as IL-6. Further research revealed that IL-17A plays a crucial bridging role between adaptive and innate immunity, and its abnormal expression can lead to extramedullary hematopoiesis. Modern immunology studies have further elucidated that Th17 cells producing IL-17A have a differentiation pathway independent of traditional Th1/Th2 cells. IL-17A binds to specific receptor complexes (with IL-17RA as the key signaling subunit), playing a central role in host defense against extracellular pathogen infections and mediating tissue inflammatory responses. This makes it an important drug target for treating autoimmune and inflammatory diseases.
2. How does the IL-17A/IL-17RA pathway drive autoimmune diseases?
Th17 cells and their effector cytokine IL-17A are key drivers of tissue inflammatory responses. Clinical and basic research has confirmed that this signaling pathway plays a central role in the pathological processes of various autoimmune diseases such as psoriasis, rheumatoid arthritis, multiple sclerosis, and inflammatory bowel disease, with patients often showing significantly elevated IL-17A levels. For example, in multiple sclerosis, Th17 cells can effectively penetrate the blood-brain barrier, and IL-17A serves as an important biomarker for assessing disease activity. In psoriasis treatment, the clinical success of IL-17A-targeting monoclonal antibody drugs (e.g., secukinumab) directly validates the pathogenic mechanism of this pathway. Therefore, precise detection of IL-17A and its receptor levels in serum, tissue samples, or cell culture supernatants is crucial for auxiliary diagnosis, mechanism research, and efficacy evaluation of these diseases, highlighting the important application direction of high-specificity IL-17A/IL-17RA detection kits.
3. What dual role does IL-17A play in respiratory diseases?
IL-17A has both protective and pathogenic roles in respiratory immunity. Under physiological conditions, it is essential for clearing extracellular bacterial (e.g., Klebsiella pneumoniae) and fungal (e.g., Candida albicans) infections by effectively recruiting and activating neutrophils for defense. However, excessive IL-17A responses can lead to pathological neutrophil inflammation. Clinical observations show that in asthma and chronic obstructive pulmonary disease patients, IL-17A levels in the respiratory tract are positively correlated with disease severity and lung function decline. Animal experiments further confirm that blocking the IL-17A/IL-17RA signaling pathway significantly reduces tobacco smoke-induced airway inflammation and emphysema pathology. Therefore, systematically monitoring IL-17A levels in sputum, bronchoalveolar lavage fluid, or serum helps assess the inflammatory status and disease progression of respiratory diseases, providing a theoretical basis and application value for developing corresponding clinical detection kits.
4. Why is the role of IL-17A in the tumor immune microenvironment complex and dualistic?
The role of IL-17A in tumor development exhibits significant context-dependency and dual characteristics. In certain tumor types, IL-17A can promote tumor growth, angiogenesis, and immune evasion by recruiting immunosuppressive cell populations like myeloid-derived suppressor cells, inducing the production of pro-inflammatory factors such as IL-6, and activating the STAT3 signaling pathway. However, in other cases, it may also enhance anti-tumor immunity. This complex mode of action makes accurate assessment of IL-17A/IL-17RA pathway activity in the tumor microenvironment particularly important. Using high-sensitivity IL-17A/IL-17RA detection kits for precise quantitative analysis of tumor tissues, peripheral blood samples, or cell culture supernatants helps deepen the understanding of this pathway's mechanism in specific tumor types, providing important biomarker information for disease prognosis and exploring combined immunotherapy strategies.
5. Summary and Outlook
The IL-17A and its receptor IL-17RA-mediated signaling pathway holds a central position in immune response regulation, inflammatory reactions, and disease development. From basic scientific research to clinical translation, precise detection of this pathway's activity is of great value. Specialized kits for detecting IL-17A and IL-17RA, with their high specificity and sensitivity, have become key tools for in-depth research into disease mechanisms, precise auxiliary diagnosis, dynamic monitoring of disease progression, and evaluation of targeted therapy effects, showcasing broad development prospects in the era of precision and personalized medicine. With advancing detection technologies, IL-17A/IL-17RA detection kits will play an increasingly important role in more disease areas.
6. Which manufacturers provide IL-17A/IL-17RA detection kits?
Nanjing U-Protein's independently developed "Human IL-17A/IL-17RA Binding Kit" is a high-performance in vitro detection platform specifically designed for studying key signaling pathways in inflammatory responses and immune regulation. This kit aims to accurately and sensitively quantify the binding activity between interleukin-17A (IL-17A) and its specific receptor IL-17RA, providing stable and reliable standardized analytical tools for mechanism exploration, drug screening, and efficacy evaluation in fields such as autoimmune diseases, chronic inflammation, tumor immunology, and antibody drug development.
| Core Advantages of the Product |
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| High Affinity and Native Conformation: The kit provides rigorously validated high-purity, high-activity human IL-17A protein and its receptor IL-17RA, both maintaining native conformations and full biological functions. This enables accurate simulation of specific, high-affinity ligand-receptor interactions under physiological conditions, ensuring the physiological relevance and data accuracy of binding experiments. |
| Excellent Batch-to-Batch Consistency and Stability: We employ advanced recombinant expression systems and precise purification processes, combined with strict quality control throughout, to ensure the protein products exhibit outstanding purity, long-term storage stability, and excellent batch-to-batch consistency, providing reliable support for your long-term research and continuous experiments. |
| Ready-to-Use Flexible Detection System: Based on optimized enzyme-linked immunosorbent assay (ELISA) principles, this kit provides pre-coated strips, detection antibodies, standards, and a full set of optimized buffer components. The operation process is simple and fast, combining high sensitivity and strong specificity, making it widely applicable to various scenarios such as neutralizing antibody screening, affinity measurement, competitive binding experiments, and related signaling pathway mechanism research. |
| Complete Solutions and Professional Support: We provide detailed standard operating procedures, typical data curves, and result interpretation guides to help you quickly establish stable and reproducible detection processes. Our professional technical team can also offer comprehensive consultation and support for your experimental design, process optimization, and data analysis. |
Nanjing U-Protein is committed to providing high-quality, high-performance key reagents and tools for immunology, inflammation research, and biopharmaceutical development. For detailed technical information, validation data, or specific application support regarding the "Human IL-17A/IL-17RA Binding Kit" (Catalog No.: UA086014), please feel free to contact us.
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