Natural killer cells (NKC)

Natural killer cells (NKC)

Introduction of Natural Killer Cells Natural killer cells are class of lymphocytes that respond to intracellular microbes by killing the infected cells and by producing macrophage activating cytokines. They comprise about 10% of the lymphocytes in the blood and peripheral lymphoid organs. These cells contain abundant cytoplasmic granules and express characteristic markers but they do … Read more

Important viruses and their properties

Important viruses and their properties

  Group Virus Characteristics Clinical importance Retroviruses Human T-cell leukaemia virus(HTLV-1)                       Human immune deficiency virus (HIV)       Spherical enveloped virus, 100nm in diameter Icosahedral cores contain two copies of linear RNA molecules and reverse transcriptase.       Differs from other retroviruses … Read more