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    Treating cancer with drugs for diabetes and hypertension

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    yoly
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    Treating cancer with drugs for diabetes and hypertension

    Post by yoly on Wed Dec 28 2016, 10:37

    (The same mode of action that a ketonic diet helps fights cancer)

    Treating cancer with drugs for diabetes and hypertension

    A combination of a diabetes medication and an antihypertensive drug can effectively combat cancer cells. The team of researchers led by Prof. Michael Hall at the Biozentrum of the University of Basel has also reported that specific cancer cells respond to this combination of drugs. The results of the study have now been published in Science Advances.

    Metformin is the most widely prescribed drug for the treatment of type 2 diabetes. Besides its blood sugar lowering effect, it also displays anti-cancer properties. The usual therapeutic dose, however, is too low to effectively fight cancer. The research team led by Prof. Michael Hall, at the Biozentrum of the University of Basel, has now made an unexpected discovery: The antihypertensive drug syrosingopine potentiates the anti-cancer efficacy of metformin. Apparently, this drug combination drives cancer cells to programmed "suicide".

    Drug cocktail kills tumor cells

    At higher doses, the antidiabetic drug inhibits the growth of cancer cells but could also induce unwanted side effects. Therefore, the researchers screened over a thousand drugs for whether they can enhance the anticancer action of metformin. A favorite emerged from this screening: Syrosingopine, an antihypertensive drug. As the study shows, the cocktail of these two drugs is effective in a wide range of cancers.

    "For example, in samples from leukemia patients, we demonstrated that almost all tumor cells were killed by this cocktail and at doses that are actually not toxic to normal cells", says the first author, Don Benjamin. "And the effect was exclusively confined to cancer cells, as the blood cells from healthy donors were insensitive to the treatment."

    Drugs block "juice" supply to cancer cells

    In mice with malignant liver cancer, enlargement of the liver was reduced after the therapy. Also the number of tumor nodules was less - in some animals the tumors disappeared completely. A glance at the molecular processes in the tumor cells explains the drug combination's efficacy: Metformin lowers not only the blood glucose level, but also blocks the respiratory chain in the energy factories of the cell, the mitochondria. The antihypertensive drug syrosingopine inhibits, among other things, the degradation of sugars.

    Thus, the drugs interrupt the vital processes which provide energy for the cell. Due to their increased metabolic activity and rapid growth, cancer cells have a particularly high energy consumption, which makes them extremely vulnerable when the energy supply is reduced.

    Groundbreaking step towards clinical application

    By testing a range of other compounds with the same mode of action, the scientists could demonstrate that the inhibition of the respiratory chain in the mitochondria is a key mechanism. These also reduced cancer cell growth in combination with the antihypertensive drug.

    "We have been able to show that the two known drugs lead to more profound effects on cancer cell proliferation than each drug alone," explains Benjamin. "The data from this study support the development of combination approaches for the treatment of cancer patients." This study may have implications for future clinical application of combination scenarios targeting the energy needs of tumor cells.


    https://www.eurekalert.org/pub_releases/2016-12/uob-tcw122716.php
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    chris c
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    Re: Treating cancer with drugs for diabetes and hypertension

    Post by chris c on Wed Dec 28 2016, 22:01

    Great stuff! Don't know syrosingopine, is it as cheap as metformin?

    Meanwhile Richard Feinman is doing some research into ketogenic diets and cancers

    https://feinmantheother.com/2016/08/22/can-we-target-cancer-with-ketogenic-diets-can-you-help/

    and following posts. Amy Berger

    http://www.tuitnutrition.com/2014/11/metabolic-theory-cancer-intro.html

    has a series of posts on the same subject. This could all be groundbreaking.

      Current date/time is Thu Oct 18 2018, 11:22