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Dr Mo Ameer Intern doctor at MUH (M... @ Mansoura University
city Al Manşūrah, Egypt
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In Health • 2 min read • Jun 12, 2022 13:07p.m.
Let's finalize our talk about "Immunity and Infection"

🎬Ag-Ab complex activates complement system (CS) through a series of signaling events. These events end up with killing pathogens 🦠 and rupturing membrane of the cell. These CS proteins also cause an inflammatory response, leading to the accumulation of white blood cells at the site of the infection (That's the cause of fever 🥵 in patients in general) Just to remind you that "In cell-mediated immunity, T cells are activated when they encounter (APC)antigen-presenting cells, such as B cells 🅱️or dendritic cells 🌠. Activated T cells then secrete cytokines that further trigger the production and maturation of T cells."Mature T cells into cytotoxic or killer T cells mainly destroy pathogen-infected cells, 🦠damaged cells 🦂, and cancer cells by rupturing the cell membrane. Whereas, T cells that mature into helper T cells facilitate B cells 🅱️ to execute antibody-mediated immune responses.   💉Some T-Cells that maturate into regulatory T cells Can stop 🛑 ✋ the immune response to maintain the homeostasis of immune system when the threat of pathogens 🦠 is over. Other types of T-Cells differntiate into memory cells to remember the pathogen 🦠 and eliminate it in an immediate response ⚡️⚡️ When the body encounters the same pathogen 🦠 for the second time. 🥈This was the story of immunity and infection from a simplified prospective way that can make you understand the basic information about the process, the type of cells the end product and the immunity acquired after an infection with specific pathogen 🦠.I hope you all have such good immune system and healthy lifestyle and stay safe. ⚕️Cauz I previously told you that your health is your wealth 💵💰

Tobi Igbinedion
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