Eutely

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plasmodesmata11
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Eutely

Post by plasmodesmata11 » Mon Jan 11, 2010 2:01 am

Awhile ago I posted something about cell constance. It was bothering me the other day, and after a bit of perusing, I found out it was more properly termed eutely. With this title, hopefully more people will get it...
Does anyone know exactly how and why this happens? I read something and it mentioned the organism using quorum sensing, a new topic to me. The site says "These cells communicate with each other chemically in a process called quorum sensing to ensure that the total number of cells in the colony remains constant over time." Then I looked up quorum sensing and it said it was used for groups of organisms, not within an organism. Does it secrete the signal molecules in the EM or something? Or is it just wrong (The site looked like garbage)? And if so, what is the mechanism and how could it be imposed on other cells?
And also, what is the viability of inducing or using eutely as an anticancer strategy/ treatment?
Thanks

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JackBean
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Post by JackBean » Mon Jan 11, 2010 8:46 am

here
http://www.wisegeek.com/what-is-eutely.htm
they write, that it's achieved by limited number of cell divisions.
In the case of chemical signal I would guess something like growth factors and stuff, but I think, that would not guarantee the exact number ;)
http://www.biolib.cz/en/main/

Cis or trans? That's what matters.

plasmodesmata11
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Post by plasmodesmata11 » Tue Jan 12, 2010 2:03 am

alright... how does a cell come with limited divisions? does it have to do with things that control the cell cycle? do they get it stuck in an arrested phase using CDKs?

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JackBean
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Post by JackBean » Tue Jan 12, 2010 7:45 am

IMHO CDKs or anything related to cell cycle itself won't guarantee exact number of divisions, again. I would guess something like telomeres...?
http://www.biolib.cz/en/main/

Cis or trans? That's what matters.

plasmodesmata11
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Post by plasmodesmata11 » Sun Jan 17, 2010 10:55 pm

are you referring to the hayflick limit?

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JackBean
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Re: Eutely

Post by JackBean » Mon Jan 18, 2010 7:29 am

sorry? :oops:
http://www.biolib.cz/en/main/

Cis or trans? That's what matters.

plasmodesmata11
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Post by plasmodesmata11 » Mon Jan 18, 2010 7:20 pm

http://en.wikipedia.org/wiki/Hayflick_limit
then the cells undergo apoptosis...

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JackBean
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Post by JackBean » Mon Jan 18, 2010 7:33 pm

yes, probably something like that
http://www.biolib.cz/en/main/

Cis or trans? That's what matters.

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