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Are Cancers Newly Evolved Species?
07-29-2011, 11:48 PM #1
JayRodney ⓐⓛⓘⓔⓝ
Posts:30,191 Threads:1,487 Joined:Feb 2011
Quote:Cancer patients may view their tumors as parasites taking over their bodies, but this is more than a metaphor for Peter Duesberg, a molecular and cell biology professor at the University of California, Berkeley.
Cancerous tumors are parasitic organisms, he said. Each one is a new species that, like most parasites, depends on its host for food, but otherwise operates independently and often to the detriment of its host.

In a paper published in the July 1 issue of the journal Cell Cycle, Duesberg and UC Berkeley colleagues describe their theory that carcinogenesis -- the generation of cancer -- is just another form of speciation, the evolution of new species.

A molecular biologists has long believed that cancer results from chromosome disruption rather than a handful of gene mutations, which is the dominant theory today. That idea has led him to propose that cancers have actually evolved new chromosomal karyotypes that qualify them as autonomous species, akin to parasites and much different from their human hosts.

"Cancer is comparable to a bacterial level of complexity, but still autonomous, that is, it doesn't depend on other cells for survival; it doesn't follow orders like other cells in the body, and it can grow where, when and how it likes," said Duesberg. "That's what species are all about."

Read more at sciencedaily.com

spock.gif I find this perspective fascinating, and hope it can lead research in alternative positive directions.


07-29-2011, 11:51 PM #2
yankees skier
Posts:5,032 Threads:215 Joined:Feb 2011

07-29-2011, 11:52 PM #3
JayRodney ⓐⓛⓘⓔⓝ
Posts:30,191 Threads:1,487 Joined:Feb 2011
I know! damned.gif


07-29-2011, 11:53 PM #4
yankees skier
Posts:5,032 Threads:215 Joined:Feb 2011
You can substitute the word in-laws for cancer, and get a clear message.

07-30-2011, 12:14 AM #5
Octo Mother Superior
Posts:41,060 Threads:1,568 Joined:Feb 2011

but seriously...I find this very interesting hmm.gif
07-30-2011, 01:21 AM #6
Octo Mother Superior
Posts:41,060 Threads:1,568 Joined:Feb 2011
Weird I just found this damned.gif

Can the cat give you cancer? Parasite in their bellies linked with brain tumours

Cats may be spreading brain cancer to their owners, scientists warned last night.

They have linked a parasite that breeds in cats’ stomachs with brain tumours in people.

Brain cancer, in its various guises, claims more than 3,500 lives a year in the UK alone, and its causes are largely unknown.

The parasite in the frame – Toxoplasma gondii – is carried by around a third of the world’s population deep inside their brains and has been linked to personality changes, in people as well as animals.

The parasite, which infects up to 34 per cent of Britons, has a complicated lifecycle but can only breed inside cats, which then pass their microscopic eggs, spreading the infection.

French scientists collected global data on brain cancers in men and women and compared it with figures on T. gondii infection rates.
Mind bender: The parasite is carried by 34 per cent of British people, and can have an affect on personality. It can also be fatal to unborn babies

Mind bender: The parasite is carried by 34 per cent of British people, and can have an affect on personality. It can also be fatal to unborn babies

This showed brain cancer rates to be highest in countries where the parasite was most prevalent – even when other factors such as income were taken into account.

The scientists, led by Frederic Thomas, from the CNRS research institute in Montpellier, said: ‘We feel our results are sufficiently strong to propose that T. gondii potentially increases the risk of brain cancer in humans.’

The parasite has already been linked to brain tumours in animals.

Read more: http://www.dailymail.co.uk/health/articl...mours.html

07-30-2011, 01:28 AM #7
Kreeper Griobhtha
Posts:11,009 Threads:759 Joined:Feb 2011
(07-29-2011, 11:48 PM)JayRodney Wrote:  spock.gif I find this perspective fascinating, and hope it can lead research in alternative positive directions.

For what? A cure? Forget it. There are no profits in cures.


What politics from both sides wants to teach us is that things are never complex. If you have your little package and something doesn't fit into that package, You don't know what to make of it so you want to dismiss it or then you will have to do the work of reconsidering your assumptions. - Michael Malice



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