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Dictionary » N » NK cell

NK cell

Definition

noun

An abbreviated form for Natural Killer cell, a form of T lymphocyte that kills target cell through antibody-dependent cell-mediated cytotoxicity.


Supplement

This type of cell attacks tumor cells and infected cells by releasing chemicals that are toxic to the cell, resulting to cell death of the target cell.


Variants:


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Re: UV Effect on cell pigmentation (melanocytes)

it is based on the intensity of vu rays as the pigment melanin is purely designed for protection from uv rays is is deffinetey effected by the intensity of the light

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by rat554
Sat Mar 02, 2013 6:52 pm
 
Forum: Cell Biology
Topic: UV Effect on cell pigmentation (melanocytes)
Replies: 1
Views: 125

TCA preipitation

You will get soluble part, precipitated proteins and cell debris, i.e. insoluble polysaccharides and stuff. However, I would first care how to get it into solution.

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by JackBean
Wed Feb 27, 2013 11:07 am
 
Forum: General Discussion
Topic: TCA preipitation
Replies: 2
Views: 144

TCA preipitation

Hi there, I have to do a cell wall extraction on bacteria soon and my protein of interest is cell wall anchored. My supervisor told me to do TCA precipitation (haven't done before) but I assume it's too isolate the proteins within the ...

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by biology_06er
Wed Feb 27, 2013 3:25 am
 
Forum: General Discussion
Topic: TCA preipitation
Replies: 2
Views: 144

Re: How did endosymbionts coordinate replication?

Just a question about mtDNA: According to the endosymbiontic theory mitochondria were ancient bacteria that survived in an ancient eukaryotic cell and continued to live as part of it as an organelle. So, I suppose, in any eukaryotic cell the mtDNA should be relatively conserved. However, the ...

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by kk
Tue Feb 26, 2013 8:29 am
 
Forum: Cell Biology
Topic: How did endosymbionts coordinate replication?
Replies: 5
Views: 800

UV Effect on cell pigmentation (melanocytes)

Does UV level increase the rate of pigmentation in skin? ( Stimulation of melanocytes...) Or if the UV level is high enough, ie 4 and above, is pigmentation purely based on time exposure to sunlight if the UV level is 10+. And would this be the same for pigment in the lips/mucous skin tissue? Many T...

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by John3373
Wed Feb 20, 2013 1:41 pm
 
Forum: Cell Biology
Topic: UV Effect on cell pigmentation (melanocytes)
Replies: 1
Views: 125
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