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Thread: Blue Jean Dye Kills Cancer Cells?!?

  1. #1
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    Blue Jean Dye Kills Cancer Cells?!?

    [url]http://news.bbc.co.uk/2/hi/science/nature/5323704.stm[/url]

    UK researchers are employing tiny gold "nanoparticles", 1/5000th the thickness of a human hair, to deliver the chemical compound directly into cancer cells, tearing them apart instantly.

    The common dye found in blue jeans and ballpoint pens is called phthalocyanine and is a light-activated, or photosensitive, agent with cell-destroying properties.

    This has been known for at least 15 years but, until now, scientists have not been able to successfully deliver it into cells; hence there's no harm in wearing blue jeans.

    The University of East Anglia (UEA) team used the gold particles as "trojan horses". Their small size enables them to easily enter cells, and the phthalocyanine is taken up along with them.

    When pulsed with laser light, the compound produces a highly reactive form of oxygen which causes the cancer cells to commit suicide.

    Cancer cells are too greedy for their own good

    Dr David Russell
    UEA's Dr David Russell explained: "Because this compound does not dissolve in water, it is difficult to get it into cells. But this 'fat soluble' property is precisely what makes it a great potential therapy.

    "We have shown using nanotechnology that we can get phthalocyanine into the cancer cells where it binds and, on activation, causes substantial cell death," he told the British Association's Science Festival.

    Red 'trigger'

    Healthy cells will also internalise the drug-coated nanoparticles, but unlike cancer cells they will excrete the phthalocyanine.

    "Cancer cells are too greedy for their own good," said Dr Russell. "They are growing so fast that they take in and retain everything - not just nutrients needed for growth."

    The use of so called photodynamic therapy is not new; the first of the four compounds that are currently in clinical use was approved in 1995.

    Of these all are water soluble and are used largely to treat skin cancer as they naturally accumulate in the surface of the skin where they are more easily activated by light.

    For some reason, phthalocyanine does not get into the skin - making it more suitable for treating solid tumours within the body. "Best of all," added Dr Russell, "this compound is optimised for activation by red light and produces far more of the deadly oxygen than the currently available photodynamic therapies.

    "In addition, because it doesn't go into the skin there is no need for the patient to stay out of the sun which can trigger side-effects with the other drugs."

    No escape

    Traditional cancer chemotherapies rely on the patient being able to process the drug. In some people, their genetic differences mean this does not happen and for others, their cells become resistant to the effects of the drug.

    Photodynamic therapy bypasses this issue because it does not rely on the body to activate the drug - rather a pulse of, rather ordinary, red light.

    Dr Mark Wainwright, a senior lecturer in medicinal chemistry at the Liverpool John Moores University says that an improved drug design such as this should have significant advantages over the currently available photosensitive agents.

    He adds: "Red light can only travel through 5-6mm tissue, but activating the nanoparticles in tumours inside the body, such as in the gut, could be done by using a fibre optic cable to shine the laser on the cancer target."

    So far, Dr Russell's research, recently published in Photochemical and Photobiological Sciences, has only been conducted on human cervical cells in the laboratory.

    But his team's collaborators in Italy have just begun testing the approach in animal models of cancer.

    If all goes to plan, phthalocyanine nanoparticles could be available for human trials within five years and will be administered either by injection into the bloodstream or directly into a tumour.

    --------------------------------------------------------------------------


    Now that is some cool stuff, huh?

  2. #2
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    I'm sure religious groups will find a reason to stop this from being study.

  3. #3
    These researchers constantly amaze me. I mean, who sits around and thinks to themself, "I wonder if blue ink can cure cancer?"

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    [QUOTE=Klecko73isGod]These researchers constantly amaze me. I mean, who sits around and thinks to themself, "I wonder if blue ink can cure cancer?"[/QUOTE]

    It must be an act of God.

  5. #5
    flushingjet
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    [QUOTE=New York Mick]I'm sure religious groups will find a reason to stop this from being study.[/QUOTE]

    Only if its squeezed from the babies of blue bloods.
    Otherwise, no.

  6. #6
    flushingjet
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    [QUOTE=New York Mick]It must be an act of God.[/QUOTE]

    If not, would it be an act of Satan?
    Clue us in.

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    [QUOTE=flushingjet]If not, would it be an act of Satan?
    Clue us in.[/QUOTE]

    So Satan is equal to God in your eyes?

    I figured it was an act of humans doing research.

  8. #8
    flushingjet
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    [QUOTE=New York Mick]So Satan is equal to God in your eyes?

    I figured it was an act of humans doing research.[/QUOTE]

    No, you said it was an act of God.

    Facetiously, yes but then why say it in the 1st place.

    Cluttering up threads to be annoying is, well, annoying.

    Or worse, boring.

    Go find whatshisname and have a private pissing match
    about what Gd looks like

  9. #9
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    [QUOTE=flushingjet]No, you said it was an act of God.

    Facetiously, yes but then why say it in the 1st place.

    Cluttering up threads to be annoying is, well, annoying.

    Or worse, boring.

    Go find whatshisname and have a private pissing match
    about what Gd looks like[/QUOTE]

    Did I offend Mr Religion? Relax I was just making a point about religion butting their noses into things that can help out humanity and trying to stop it. I could careless who worships what as long as it doesn't affect me, you stay in your backyard and I stay in mine. Mr Whatshisname is not posting much, he can't respond to anyones post with anything other then going to to hell. It's no more annoying then people who push their religious beliefs on people.

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    [QUOTE=New York Mick]Did I offend Mr Religion? Relax I was just making a point about religion butting their noses into things that can help out humanity and trying to stop it. I could careless who worships what as long as it doesn't affect me, you stay in your backyard and I stay in mine. Mr Whatshisname is not posting much, he can't respond to anyones post with anything other then going to to hell. It's no more annoying then people who push their religious beliefs on people.[/QUOTE]


    No you were just making a bigoted comment towards those that choose to follow a faith based religion.

    A more mature person would have chuckled the thought to themselves rather than be a bigoted spokesperson.

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    [QUOTE=JetFanTransplant]No you were just making a bigoted comment towards those that choose to follow a faith based religion.

    A more mature person would have chuckled the thought to themselves rather than be a bigoted spokesperson.[/QUOTE]

    I'm bigoted because I challenge people that believe in religion and talk about. How is this being bigoted? I have never said anything about Jews, Catholics, Muslims, Buddhist, Hindus or anyone else like many others have on this board. I simply challenge people to prove their religion and this makes me a bigot.

  12. #12
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    [QUOTE=New York Mick]I'm bigoted because I challenge people that believe in religion and talk about. How is this being bigoted? I have never said anything about Jews, Catholics, Muslims, Buddhist, Hindus or anyone else like many others have on this board. I simply challenge people to prove their religion and this makes me a bigot.[/QUOTE]


    You're bigoted because you decided to take a cheap shot in a thread where there was NO RELIGIOUS CONTROVERY whatsoever.

    YOU took the first unwarranted cheap shot. Accept it, grow up and move along.
    Last edited by JetFanTransplant; 10-28-2006 at 08:30 PM.

  13. #13
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    [QUOTE=JetFanTransplant]You're bigoted because you decided to take a cheap shot in a thread where there was NO RELIGIOUS CONTROVERY whatsoever.

    YOU took the first unwarranted cheap shot. Accept it, grow up and move along.[/QUOTE]

    That's not being bigoted, that's just trying to start a debate :D I was just making a point about how we benefit from medical research, I guess I need to work on my delivery. It is impressive what people can figure out if they are allowed to do the proper research and how it helps out humanity. Is that better?

  14. #14
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    [QUOTE=New York Mick]That's not being bigoted, that's just trying to start a debate :D I was just making a point about how we benefit from medical research, I guess I need to work on my delivery. It is impressive what people can figure out if they are allowed to do the proper research and how it helps out humanity. Is that better?[/QUOTE]

    Agreed. My point was there was no moral implication here. Your comment would have better been suited for the existing thread on Stem Cells.

    Further, my point was that there are far too many people creating arguments where none was needed. My feeling was that those comments you made were antagonist, not pointed towards creating any meaningful debate.

    My apologies if I came out harsh myself.

    - JFT

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