Preview

AP2 Unit 3 discussion on Organ Transplantion

Good Essays
Open Document
Open Document
1061 Words
Grammar
Grammar
Plagiarism
Plagiarism
Writing
Writing
Score
Score
AP2 Unit 3 discussion on Organ Transplantion
In this unit’s readings contained information about the four varieties of grafts. They are and definition are as follows: Autografts which is a transplant procedure where one 's own tissue is used to grafts for burns and plastic surgery. Isograft is a procedure where tissue from an identical twin is used for a tissue transplant. Allograft is a procedure where tissue from different genetic donor but is the same species as the recipient. Xenograft is a procedure where tissue of a different species such as pigs or cows are used on humans for severe burns.
2. Describe how and why both types of adaptive immunity can cause problems with organ transplantation.
Both types of adaptive immunity can cause problems with transplanted organs because they are systems created to help maintain homeostasis within the body. Cytotoxic T cells are part of the cell - mediated type of adaptive immunity. These cells are activated when specific foreign cells are detected in the body. They are cells that directly attack invading antigens within the body. (Tortora, 2014) Antibody-mediated immunity contains B cells that transforms into plasma membrane that synthesizes and secretes antibodies that bind to and deactivate specific antigens in the bodies fluids. (Tortora, 2014) An organ transplant cells usually is recognized in the body as non-self or foreign and provokes the adaptive immunity to respond with antigen fighting cells and plasma. Because both types work together to fight of antigens, they both can be troublesome for a transplant recipient ability to heal. (Tortora, 2014)
3. Discuss how the body works to recognize your own cells and to differentiate them from foreign body cells.
The body is able to recognize its own cells and differentiate them from foreign cells by developing self-recognition and self-tolerance during the developmental generation of the B and T cells. (Tortora, 2014) There are two processes that take place during the development of the B and T cells,



References: Tortora, G. (2014). Principles of Anatomy and Physiology [VitalSouce bookshelf version]. Retrieved from http://online.vitalsource.com/books/9781118934678/id/P22-190 on September 14, 2014 Edward, Lin (2011). Phys.Org. Skin-cell gun drastically cut healing time for burns. Retrieved from http://phys.org/news/2011-02-skin-cell-gun-drastically.html on September 14, 2014 Medlinplus (2014). Immune Response, Retrieved from http://www.nlm.nih.gov/medlineplus/ency/article/000821.htm on September 16, 2014 Neuralstem Inc. (2014). Neuralstem Cell Therapy for ALS, Retrieved for http://www.neuralstem.com/cell-therapy-for-als on September 16, 2014. (Tortora, 2014) lo Class.

You May Also Find These Documents Helpful

  • Good Essays

    Biology

    • 1023 Words
    • 5 Pages

    b) Based on what you have learned in this lesson, which cells of skin are likely to be the source of cancerous cells? What do you think would happen to the differentiation process in cancerous skin cells? (Answer in 200 words or less. Send to instructor)…

    • 1023 Words
    • 5 Pages
    Good Essays
  • Good Essays

    2. In what tissue do B- and T- lymphocytes originate and what are the two steps involved in lymphocyte “maturation”?…

    • 585 Words
    • 3 Pages
    Good Essays
  • Better Essays

    Organ Transplantation According to the article Organ Transplantation, “Organ transplantation refers to the process of surgically removing one organ from a human or animal, known as the donor, and implanting it into a recipient human.” Kidneys, livers, hearts, lungs, intestines, the pancreas, and the skin transplant successfully today. Two types of transplantation surgeries include autografts and allografts. An autograft alludes to a surgery performed on the same person. Allograft surgery pertains to an organ transplant from one person to another (Organ Transplantation). Most scientific studies emphasize on allograft surgeries, for danger accompanies removing organs from one person to place in another. Surgeons classify transplantation as one…

    • 1376 Words
    • 6 Pages
    Better Essays
  • Good Essays

    Organs including the heart, intestine, kidney, liver, lung, and pancreas can be transplanted. Issues that can cause this can be kidney failures, intestine failure, heart disease, lung disease, diabetes that makes the pancreas not work properly, or cirrhosis of the liver (formation of scar tissue that stops…

    • 630 Words
    • 3 Pages
    Good Essays
  • Good Essays

    “Each day, an average of 79 people receive organ transplants. However, an average of 21 people die each day waiting for transplants that can't take place because of the shortage of donated organs” (The Need Is Real). There are many different views of the pros and cons that make up transplants of all kinds, from organ to bone transplants, and whether or not they should be allowed to be continued.…

    • 630 Words
    • 3 Pages
    Good Essays
  • Satisfactory Essays

    Lymphatic System

    • 272 Words
    • 2 Pages

    Describe the roles of helper T cells and killer T cells. During cell mediated immunity, T cells divide and differentiate into killer T cells and helper T cells. The killer T cells track down and destroy the bacteria, fungi, protozoan or foreign tissue that contains the antigen while the helper T cells produce memory T…

    • 272 Words
    • 2 Pages
    Satisfactory Essays
  • Better Essays

    THE IMMUNE SYSTEM Definition of the Immune System The human immune system is a collective network of tissues, glands, and organs that work in a coordinated effort with each other to guard our bodies from foreign antigens such as viruses, bacteria, and infection causing microorganisms. For the immune system to work properly, two things must happen: first, the body must recognize that it has been invaded, either by pathogens or toxins or by some other threat. Second, the immune response must be activated quickly, before the invaders destroy many body tissue cells. For the immune system to respond effectively, several conditions must be in order, including the proper interaction of non-specific and specific defenses. The nonspecific defenses on the skin do not identify the antigen (a substance able to manipulate an immune response or reaction) that is attacking or potentially attacking the body; instead, these defenses simply react to the presence of what it identifies as something foreign. Often, the nonspecific defenses effectively destroy microorganisms, but if these defenses prove to be ineffective and the microorganisms manage to infect tissues, the specific defenses go into action. The specific defenses function by locating the antigen in question and mounting a response that targets it for destruction.…

    • 1505 Words
    • 7 Pages
    Better Essays
  • Good Essays

    Second Line Of Defense

    • 1241 Words
    • 5 Pages

    The two cells have different responses, the T-cells are involved in a cell-mediated response, while the B-cell are involved in the humoral response. During the process of the T-cell response there are many different variations of the T-cell such as the killer T-cell, helper T-cells, suppressor T-cells, and memory cells. By using cytotoxic T-cell, the third response is able to detect and recognize antigens on the surface of infected cell. The cytotoxic T-cells then bind to the infected cells secrete cytotoxins that induce apoptosis in the infected cell and perforins that cause perforations in the infected cells. When both of these mechanisms are through they will help destroy pathogens in the infected body. This diagram will help with the visualization of these mechanism and their processes. Killer T-cells combine with antigens on the surface of any invading cell and release a powerful group of chemicals called lymphokines. Some lymphokines kill the pathogens directly, others stimulate lymphocytes to become active and help increase the inflammation so that there are more macrophages. Helper T-cells co-operate with B-cells in the antibody production. They also activate macrophages and promote inflammation. Memory cells remain even after the pathogens have been killed to stop…

    • 1241 Words
    • 5 Pages
    Good Essays
  • Good Essays

    Liver Research Paper

    • 408 Words
    • 2 Pages

    Liver is one of the most important organs in human body, it helps in fighting infections, metabolizing drugs by producing enzymes, and synthesizing proteins like, albumin. Liver failure happens When the liver cannot adequately functions and it is life threatening condition if it’s not managed immediately, it might cause some complications, like cirrhosis, hepatitis and multi-organ damage.(1)Liver transplant might be a lifesaving solution with liver failure, unfortunately liver transplant have its own complication like, acute or chronic rejection, and graft loss. Although liver is considered an immune privileged organ due to t cell role in immune response ,though we must use immunosuppressive medications in post liver transplant surgery but in lower doses…

    • 408 Words
    • 2 Pages
    Good Essays
  • Good Essays

    Kidney Transplants

    • 478 Words
    • 2 Pages

    Transplantation has many advantages. It eliminates the need for dialysis and helps patients enjoy a life filled with more freedom, energy and productivity. Although most patients are on…

    • 478 Words
    • 2 Pages
    Good Essays
  • Good Essays

    Organ Transplants

    • 359 Words
    • 2 Pages

    In conclusion, immunosuppressive drugs are quite efficient in making sure that transplanted organs are not rejected, but are also associated with significant side effects. Health professionals…

    • 359 Words
    • 2 Pages
    Good Essays
  • Better Essays

    Organ Trasplantation

    • 1418 Words
    • 6 Pages

    All clinicians should have a good transplant immunology background so as to be more efficient and able to make better alternation in patients’ therapy if needed. Clinicians play an important role in explaining to patients the novel risk assessment and the treatment strategies and ongoing clinical trials they will go through (Heeger P.S. and Dinavahi MD.R, 2012). Human immune system is divided into innate and adaptive. Innate immunity is rapid but with no memory and little specificity. Innate immunity surrounds cellular components (eg. dentritic cells- DCs and natural killer cells -NKCs) and molecular components (eg. toll-like receptors- TLRs). Microbial products or endogenous pro-inflammatory ligands are released during the mechanical and ischemia-reperfusion injury (Ischemia-reperfusion is an injury observed when blood supply returns to tissue after ischemia period or reduced amount of oxygen and nutrients resulting in tissue damage) activating the innate immunity to…

    • 1418 Words
    • 6 Pages
    Better Essays
  • Powerful Essays

    Immunosuppressive Drugs

    • 2649 Words
    • 11 Pages

    The Use of Immunosuppressive Drugs In Organ Transplants The body is similar to a soldier; it is programmed to recognize any threats to itself in order to defend itself from these things. Skin surrounds the body like a shield of armor, preventing anything unwanted from entering. What does manage to infiltrate the body will be examined by the immune system, then determined to be an ally or enemy. When a breach of security is detected, weapons are at the body’s disposal like any soldier. Cells, antibodies, macrophages and lymphocytes are simply a preview to the large arsenal the body contains. If recognized as a threat, the body will do anything in its power to destroy this substance and protect itself. Unfortunately for organ transplant recipients, transplants also fall into the category of a potential threat to the body. Transplants will trigger a natural response from the immune system to eliminate or neutralize the graft, a process known as rejection (Hoffman, Nelson, Drangstveit, Flynn,…

    • 2649 Words
    • 11 Pages
    Powerful Essays
  • Good Essays

    Mhc Paper

    • 753 Words
    • 4 Pages

    MHC and Organ Transplant Paper BIO/402 April 22, 2013 MHC and Organ Transplant Paper There are a few routes that sensitization to non-self human leukocyte antigens (HLA) occurs (Fuggle & Martin, 2008). This article shows that 23% of renal patients that are awaiting transplantation are sensitized. More females than males have the HLA antigen. It also shows that first time transplants have less HLA antibodies than those that have had transplants in the past. Several approaches to transplant sensitized patients are presently used or have been used in the past. It is important to understand the different techniques but knowing why is just as important.…

    • 753 Words
    • 4 Pages
    Good Essays
  • Good Essays

    Organ Donation

    • 2020 Words
    • 9 Pages

    Human organ failure has a long history. Since a long time, people have been suffering and eventually dying because one or more of their organ(s) stopped functioning. The advent of the concept of organ transplantation came as an important breakthrough in the medical field, in the 20th century. The idea behind organ donation and transplant is simple. A healthy organ (such as heart, lungs, kidneys, liver, pancreas, and intestines) or a tissue (such as bones and bone marrow, veins, cornea, heart valves, tendons, and skin) is removed from the body of the donor, living or dead, and is transplanted in that of the recipient. Such a surgery imparts a second chance to the recipient to lead a healthy life.…

    • 2020 Words
    • 9 Pages
    Good Essays