A researcher is investigating a drug to prevent organ rejection; this drug selectively inhibits TH cells. How would this help to prevent rejection of a transplanted organ?
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A researcher is investigating a drug to prevent organ rejection; this drug selectively inhibits TH cells. How would this help to prevent rejection of a transplanted organ?
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- Which cells are involved in transplant rejection?A patient recently underwent a transplant and first shows success. About two months after the surgery the patient comes in with complaints and issues are arising due to the transplant surgery. What type of hypersensitivity is occurring? How would you distinguish which type of rejection is taking place? Please explain in detail.If the main criteria for an antigen is that it is foreign, I'm curious how the body responds in the case of tissue/organ transplant. I've heard of cases where the body rejects the new organ. Is this why? What makes some bodies of recipients reject the donor organs while others will accept?
- Put the action in the verbs in the following sentences. (1) Measurements were performed on reaction products by a mass spectrometer. (2) An increase in transplant rejection occurred.Cells called histiocytes are specialized phagocytes which remain within certain tissues. O 1) True O 2) FalseWhich of the following cells in the diagram shown below phagocytizes antigen-antibody complexes and is effective against parasitic worms? Courtesy Michael Ross, University of Florida А В C D E a) A O b) B c) C d) D O el E
- What is a cytokine? A ) a. a chemical mediator (stimulus) of inflammation that is released by cells in response to tissue or cell damage O b. an antimicrobial substance made by neutrophils O c. a repair stimulator produced by Eosinophils during an allergic reaction O d. cellular (cyto-) substance that mediates noisy arguments between macrophages and lymphocytes And that I put A Cardiac disease is considered a(n) O a. acute, 3 O b. acute, 10 1 c. chronic, 3 O d. chronic, 10 Oe, acutely chronic, 114 And that I put Chronic 3 Are the 3 questions correct?How does a tissue rejection reaction involve an immune response?Some strains of the human papilloma virus (HPV) are resistant to interferons. If HPV can inhibit interferon binding to cells, what advantage does this give the virus? Question 2 options: Antiviral proteins will not be synthesized in neighbouring cells. Interferons will be released by non-infected neighbouring cells. Interferons will bind to the virus to neurtralize it. Interferons tell the virus-infected cells to apoptose. The viruses will be warned that a host is coming.
- The transplantation of organs from one person to another was impossible until the discovery of immunosuppressive drugs. Now, with the use of drugs such as cyclosporine, organs can be transplanted without rejection. Transplant patients must take immunosuppressive drugs for the remainder of their lives. What are the potential risks associated with long-term use of immunosuppressive drugs?A 39-year-old woman with rheumatoid arthritis comes to the physician for a follow-up examination. Treatment with multiple medications, including prednisone and methotrexate, has not been effective at slowing the progress of her condition. The most appropriate next step in pharmacotherapy is a drug that blocks the effects of which of the following cytokines? Entaracept : Fusion protein- decoy receptor A) Interferon gamma B) Interleukin-2 (IL-2) C) IL-4 D) IL-10 E) Tumor necrosis factor-a foundDifferent MHC I molecules between donor and recipient cells can lead to rejection of a transplanted organ or tissue. Explain relevant concepts in relation to tissue rejection in organ transplant.