Cells
in sentence
1993 examples of Cells in a sentence
You see, diabetes is an autoimmune disease where your body fights itself, and at the time people thought that somehow maybe exposure to a pathogen had triggered my immune system to fight the pathogen and then kill the
cells
that make insulin.
And if you look at them in the microscope, you can see that we actually have 10 times as many
cells
of microbes on us as we have human
cells.
And somehow maybe the microbial community that's in and on me got off, and then this triggered some sort of immune response and led to me killing the
cells
that make insulin in my body.
So, this guy, with all the
cells
in his body, all have the same genetic information.
So, have a guess of how many
cells
he has in his body.
Somewhere between 10 trillion to 70 trillion
cells
in his body.
Now, how did these cells, all with the same genetic material, make all those tissues?
Now, if .0001 of these
cells
got mutated, and .00001 got cancer, you will be a lump of cancer.
So, they put the
cells
in cultures, chicken cells, dumped the virus on it, and it would pile up, and they would say, this is malignant and this is normal.
Every one of those blue
cells
are a cancer gene inside a cancer cell, and they're part of the feather.
So, when we dissociated the feather and put it in a dish, we got a mass of blue
cells.
That means that microenvironment and the context which surrounds those
cells
actually are telling the cancer gene and the cancer cell what to do.
We want to make this a structure, and ask the question, how do the
cells
do that?
You take these cells, you put them in a dish, and within three days, they look like that.
In different contexts,
cells
do different things.
So, we made a section of the mammary gland of the mouse, and all those lovely acini are there, every one of those with the red around them are an acinus, and we said okay, we are going to try and make this, and I said, maybe that red stuff around the acinus that people think there's just a structural scaffold, maybe it has information, maybe it tells the
cells
what to do, maybe it tells the nucleus what to do.
So I said, extracellular matrix, which is this stuff called ECM, signals and actually tells the
cells
what to do.
We found some gooey material that had the right extracellular matrix in it, we put the
cells
in it, and lo and behold, in about four days, they got reorganized and on the right, is what we can make in culture.
On the right, you see it looks very ugly, the
cells
continue to grow, the normal ones stop.
And in order to show you that the malignant phenotype I didn't just choose one, here are little movies, sort of fuzzy, but you see that on the left are the malignant cells, all of them are malignant, we add one single inhibitor in the beginning, and look what happens, they all look like that.
But before we do that, I'd like you to think that at any given time when you're sitting there, in your 70 trillion cells, the extracellular matrix signaling to your nucleus, the nucleus is signaling to your extracellular matrix and this is how your balance is kept and restored.
So, we have now made an amazing discovery, a post-doc in the lab who is a physicist asked me, what do the
cells
do when you put them in?
You put the cancer
cells
there, and they do go all over, they do this.
It doesn't matter if your computer's mechanical, like Babbage's was, or electronic, like computers are today, or perhaps in the future, cells, or, again, mechanical again, once we get into nanotechnology.
Nature's main process of creation, morphogenesis, is the splitting of one cell into two
cells.
And these
cells
can either be identical, or they can be distinct from each other through asymmetric cell division.
This is a work of some proportion and some weight that makes the body into a city, an aggregation of
cells
that are all interconnected and that allow certain visual access at certain places.
One such process I'd like to highlight are solar
cells.
Could we then make a nighttime power-generation device that generates useful amounts of electricity when solar
cells
don't work?
So, embryonic stem
cells
are really incredible
cells.
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