Unit 12 Antibodies Immunoglobulins Video Joke of the

Unit 12: Antibodies (Immunoglobulins)

Video Joke of the Day: http: //www. youtube. com/watch? v= qnyd. Fmq. Hu. Vo

http: //www. youtube. com/watch? v=Jddr. H 26 uxk. Y http: //www. youtube. com/watch? v=Ys_V 6 Fc. YD 5 I

Antibodies: “Immunoglobulins” Definition: Proteins produced in response to the presence of an Antigen of a foreign molecule.

Antibodies: “Immunoglobulins” Antibodies connecting to the Antigens of Pathogens

Antibodies: “Immunoglobulins” 5 Classes: – – – Ig. M Ig. A Ig. D Ig. G Ig. E

Antibodies: “Immunoglobulins” 5 Classes of Antibodies 1. Ig. M: Biggest of all, Can’t cross membranes, 1 st released 2. Ig. A: Present in saliva, mucus, tears. Keeps Pathogens from entering blood 3. Ig. D: Assist B Cells in recognizing Pathogens 4. Ig. G: Most Common, smallest, can cross placenta 5. Ig. E: Binds with allergens, causes release of histamine

Antibodies: “Immunoglobulins” So how does it all work? Neutralization – Antibodies bind to the Pathogens and “neutralize” them.

Antibodies: “Immunoglobulins” So how does it all work? Opsonization – The process of coating a Pathogen with Antibodies.

Video: Antibody Immune Response http: //www. youtube. com/watch? v=lr. Yl. ZJiuf 18&feature=related

Video” Vaccines and Herd Immunity https: //www. youtube. com/watch? v=Zui. HFg_nfn. E

Gammagard

Infusion facts • • Concentrated supply of Ig. G’s Takes 5 -6 hours $11, 000 every 3 weeks ($20 co-pay) Last week of the 3 week period – feels crappy • Reduced her need to be on antibiotics • Referred to as “passive immunity”