Magic Bullets: Chemistry vs. Cancer

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    Introduction to Treating Cancer

      Click for larger picture!
    The Bloch Cancer Survivors Plaza
    in New Orleans, Louisiana.
    In 1953, the life expectancy of a child diagnosed with leukemia was three months. By 1954, the anticancer drug 6-MP—that had just been developed by Gertrude Elion and George Hitchings—was undergoing tests by Dr. Joseph Burchenal. Nine-year-old Debbie Brown was among the first patients to be given the drug by Dr. Burchenal at New York's Memorial Sloan-Kettering Hospital. As a result, she became one of the first long-term survivors of childhood leukemia. Today she is a mother and a teacher living in New Jersey.

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    "Cancer...There Is Hope."
     
    This astounding leap from a three-month life expectancy to an 80% cure rate for childhood leukemia illustrates the gains made in treating cancer over the past 50 years. As dramatic as Debbie Brown's story is, there are hundreds more like it. Some of these amazing stories are about patients and some are about the scientists and physicians who have brought about these changes in cancer treatment. In this module you will read several such stories of discovery, stories about scientists or physicians who—like Hitchings and Elion—found a drug that could be used to save the lives of cancer patients. There is also a reading that will give you a general overview of cancer treatment methods.

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    Columns of the Bloch
    Cancer Surviviors Plaza.
    Two lab activities illustrate important means that scientists have used to develop cancer drugs for the patients who so need them. In the lab Separating Cherry Cola, you will perform a simple mixture separation. The process parallels the types of separations chemists must perform to isolate possible drugs from their natural sources. The second lab, Designer Molecules: Esterification, illustrates how chemists can produce compounds that have specifically designed properties, substances that can act as "magic bullets" against diseases like cancer.

    In Taxol® and Yew: A WebQuest Senate Debate, you and your class will examine some of the different points of view concerning the use of natural products or resources to make medicines. You will also have a chance to go on a scavenger hunt, cyberspace style, to test your Internet skills.

    In this section you will find:

      Methods of Treatment: Choosing a Weapon

        Alkylating Agents: The Janus Effect
        Antibiotics: Dr. Hamao Umezawa
        Cisplatin: The Platinum Standard
        Vinblastine: From Jamaica to a Cure
        Hormone Therapy: Our Best Friend to the Rescue

      Taxol® and Yew: A WebQuest Senate Debate
      Separating Cherry Cola: A Simulation
      Designer Molecules: Esterification
      Cyber Scavenger Hunt

    For more information, at other Web sites...

      Scientific American: Tumor-Busting Viruses [BIOTECHNOLOGY] — A new technique called virotherapy harnesses viruses, those banes of humankind, to stop another scourge—cancer.
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