immunopathology notes

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Leong PP, PhD 12/6/2014 1

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Immunopathology

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  • Leong PP, PhD

    12/6/2014 1

  • Hypersensitivity

    To describe pathophysiology and clinical outcome of the following clinical examples

    Type I atopic dermatitis

    Type II erythroblastoma fetalis

    Type III systemic lupus erythematous

    Type IV contact dermatitis

    Autoimmunity

    To describe the pathophysiology and clinical outcome of Grave disease and Hashimoto thyroiditis

    Immunodeficiency

    To understand the use of traditional chinese medicine (TCM) approach for immunodeficiency

    12/6/2014 2

  • Pruritus dermatitis (red, flare up & extremely itchy)

    Common in individual with history of hay fever or asthma

    Associated with IgE antibody

    12/6/2014 3

  • 12/6/2014 4

  • Immune mediated skin rash (swelling, erythema, vesiculation) at the site of contact with a chemicals Poison ivy

    Nickel metal in costume jewelry

    Dyes, perfume and etc

    Mediated by sensitized Th1 cells

    12/6/2014 5

  • 12/6/2014 6

  • Rh system antigen D

    Two Rh blood type Rh positive

    Dominant

    More common in population

    Rh negative

    Incompatible haemolysis

    12/6/2014 7

  • 8 12/06/2013

    First pregnancy baby safe Rh ve mother acquires anti-Rh antibodies

    Second pregnancy and onwards (baby is Rh +ve) Haemolytic disease of newborn brain damage,

    mental retardted and even death

  • 12/6/2014 9

    Production of antibodies against a multitude of self-antigen including DNA (single and double stranded), nucleolar RNA, histones, RBCs, platelets. The disease is caused by the direct activity of the auto-antibodies and also by deposition of soluble antibody-antigen complexes which deposit along the walls of small blood vessels inflammtion & cell damage

  • Graves Disease Hashimoto thryoiditis

    Hyperfunction of thyroid gland

    Bulging eye, nervousness, enlarged thyroid, fast heart beat

    Hypofunction of thyroid gland

    Fatigue, enlarged thyroid, slow heart beat

    12/6/2014 10

  • Auto-antibody

    against TSH

    receptor

    Self-reactive

    CTL

    11 11/06/2013 LPP

  • Healthy == well functioning immune system

    Immunodeficiency Immune system is suppressed by certain factors

    e.g. nutrition, lifestyle and etc

    Vulnerable to disease, infection, allergy and even cancer

    Chinese Medicine Textbooks (since thousand years ago) Natural herbs

    Dietary therapy

    Acupuncture

    Tai Chi

    12/6/2014 12

    http://www.tcmpage.com/hpimmunedef.html

  • Food with immune stimulation properties Shiitake mushroom

    Lentinan anti-viral, immune stimulant

    Garlic, sesame seed, yogurt, fruits & vegetables

    Micro-nutrient Beta carotene, zinc and vitamin A, E and C

    Low fat diet

    12/6/2014 13

    http://www.tcmpage.com/hpimmunedef.html

  • Astragalus (Huang Qi) Strong immune enhancing effect increased

    number & activity of WBC

    Showed to restore function of immune cells in cancer patient

    Ginseng Widely used

    Protects the liver, stimulates immune system, prevents radiation damage to nerve cells; has antioxidant effects, prevents cancer

    12/6/2014 14

    http://www.tcmpage.com/hpimmunedef.html

  • Chi Spleen Tonic (Bu Zhong Yi Qi Tang)

    12/6/2014 15

    Astragalus (Huang Qi)

    Licorice (Gan Cao)

    Agelica (Dang Gui)

    Ginseng (Ren Shen)

    Tangerine Peel (Chen Pi)

    Cimicifuga (Sheng Ma)

    Buplerum (Chai Hu)

    Atractylodes (Bai Zhu)

    http://www.tcmpage.com/hpimmunedef.html

  • Immunenergy Formula - Shi Quan Da Bu Tang Used to treat immune deficiency & fatigue

    Often used for post-cancer management

    12/6/2014 16

    Angelica (Dang Gui)

    Cnidium (Chuan Qiong)

    Peony (Bai Shao)

    Rehmannia (Shu Di Huang)

    Ginseng (Ren Shen)

    Atractylodes (Bai Zhu)

    Poria (Fu Ling)

    Licorice (Gan Cao)

    Astragalus (Huang Qi)

    Cinnamon (Rou Gui)

    http://www.tcmpage.com/hpimmunedef.html

  • Regulation of immune system

    Potential to treat wide range of health problems including immunodeficiency

    Effects Increase the T cell count

    Increase number of phagocytes

    Increase WBC count and mobility

    12/6/2014 17

    http://www.tcmpage.com/hpimmunedef.html

  • Traditional Chinese martial art may help to boost immune system in elderly people

    Showed to mount a stronger immune response to vaccine

    12/6/2014 18

    Miranda Hitti, Tai Chi May Boost Immune System, Journal of the American Geriatrics Society

  • 12/6/2014 19