APOPTOSIS PART 1: Definition, Causes & Mechanism/Pathways

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  • čas přidán 21. 11. 2016
  • A series of video tutorials discussing the topics for undergraduates in Pathology
    In this 1st part of Apoptosis tutorial , i have discussed Definition, Causes & Mechanism/Pathways
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    • Definition of apoptosis
    • Causes /conditions where apoptosis is seen
    • Understand the mechanism of apoptosis
    • Extrinsic pathway
    • Intrinsic pathway
    A pathway of cell death
    Induced
    By a tightly regulated suicide program
    Found in 1972 John Kerr, Andrew H. Wyllie & Alastair Currie
    Greek - mean "falling off" (like leaves falling from a tree)
    Also referred to as programmed cell death
    PHYSIOLOGICAL CONDITIONS
    Embryogenesis
    Involution of hormone dependent tissues
    Menstruation, menopause, weaning
    Loss of cells in proliferating cell populations
    Bone marrow, thymus
    Removal of self reactive lymphocytes
    Death of inflammatory cells after their functions are over
    PATHOLOGICAL CONDITIONS
    Injured cells which cant be repaired
    • DNA damage
    • Misfolded protein accumulation
    • Viral infections
    • Duct obstructions
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    Please watch: "WARBURG EFFECT: Hallmark of CANCER. What, Why & How?"
    • NEOPLASIA 6: WARBURG E...
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