Cell mediated and Humoral mediated Immunity Part 1 | Medico Paji

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In this video, we begin Cell Mediated and Humoral Immunity – Part 1, focusing on the activation of Helper T lymphocytes (CD4⁺) and Cytotoxic T lymphocytes (CD8⁺) — one of the most important and frequently asked topics in Immunology.

The concepts are explained in a step-by-step, conceptual and exam-oriented manner, making it ideal for MBBS, Nursing, BSc, Paramedical students, and NEET PG / INI-CET / FMGE preparation.


📚 Topics Covered:

✅ Overview of cell-mediated vs humoral immunity
✅ Antigen presentation & role of APCs
✅ Activation of Helper T cells (CD4⁺)
– Signal 1 & Signal 2
– Role of MHC class II
– Cytokine release & differentiation
✅ Activation of Cytotoxic T cells (CD8⁺)
– Role of MHC class I
– Co-stimulation & IL-2
– Mechanism of target cell killing
✅ Exam-oriented flowcharts & key points
🎓 By Medico Paji – Simplifying Immunology for Medicos
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Cell mediated immunity
Humoral immunity explained
Activation of T cells immunology
Helper T cells CD4 activation
Cytotoxic T cells CD8 mechanism
Cell mediated immunity MBBS
Immunology for medical students
Antigen presentation T cells
NEET PG immunology
CD4 vs CD8 T cells


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