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Functional states of the same cell versus Different cell types


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#1 Tabaluga

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Posted 16 February 2015 - 07:48 AM

Hi all,

i got results which point towards the fact that a phenomenon can be explained by the existence of 2 different functional states of the same cell, rather than them representing 2 different cell types. Now I'm discussing this interpretation in the discussion part of my thesis, but I also wanted to (in the same paragraph) make suggestions on how this question may be definitely settled in future experiments.

Now I stumbled on the problem that I'm not sure which methods that would be !! In literature I could not find any hard criteria on how to discern functional states of the same cell versus different cell types. I'd be grateful if anyone could point me to useful papers in this respect.

Generally, I thought about studying the reversibility of transitions, with irreversibility meaning that they are two different cell types rather than states. I also considered studying gene expression profile or epigenetic changes, but for both of them they would also differ between different functional states, not only between different cell types. So I'm at a loss as to which method(s) to propose ?

 

Does anyone have any ideas or literature to help me out ? How CAN you actually safely discern between functional states of the same cell type and different cell types ?

 

Thanks !


Il dort. Quoique le sort fût pour lui bien étrange,
Il vivait. Il mourut quand il n'eut plus son ange;
La chose simplement d'elle-même arriva,
Comme la nuit se fait lorsque le jour s'en va.

 


#2 bob1

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Posted 16 February 2015 - 12:03 PM

Short answer is, you can't, however there are methods of distinguishing cell types morphologically and on the basis of molecular markers such as the ones used for cell line validation.

 

How I would go about it would be to first prove that there aren't two separate cell populations, but that the cells you see are of one type only, by the cell validation methods and then determine if it is a functional change by some of the other methods you suggested.



#3 Tabaluga

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Posted 22 February 2015 - 11:33 PM

All right, thanks !


Il dort. Quoique le sort fût pour lui bien étrange,
Il vivait. Il mourut quand il n'eut plus son ange;
La chose simplement d'elle-même arriva,
Comme la nuit se fait lorsque le jour s'en va.

 





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