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A monoclonal antibody against leptin
Jafar Mahmoudian1, Mahmood Jeddi-Tehrani, Ali Ahmad Bayat
1Monoclonal Antibody Research Center, Avicenna Research Institute, Academic Center for Education, Culture, and Research, Tehran, Iran.
Researchers developed a high-affinity monoclonal antibody for human leptin, a key protein regulating energy balance. This new antibody is a valuable tool for studying leptin
Area of Science:
- Biotechnology
- Immunology
- Endocrinology
Background:
- Leptin is a crucial protein regulating energy storage and homeostasis.
- Leptin deficiency is linked to metabolic disorders like diabetes, obesity, and infertility.
Purpose of the Study:
- To produce and characterize a high-affinity monoclonal antibody against human leptin.
- To develop a tool for monitoring and tracing leptin function in biological samples.
Main Methods:
- Recombinant human leptin conjugated to KLH for immunization.
- Hybridoma technology involving cell fusion and selection.
- ELISA, Western blot, immunocytochemistry, and flow cytometry for characterization.
Main Results:
- A high-affinity murine monoclonal antibody against human leptin was successfully produced.
- The antibody demonstrated specific binding to leptin with an affinity constant of approximately 1.13 × 10⁻⁹ M.
- The antibody recognized intracellular leptin in JEG-3 cells.
Conclusions:
- A high-affinity murine anti-human leptin antibody was generated and validated.
- This antibody serves as a reliable tool for leptin research and diagnostics.
- Further applications in studying leptin's role in various physiological and pathological conditions are anticipated.
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