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Ebola - One less thing to worry about

Started by CallMeLucky , Mar 07 2012 10:14 AM

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8 replies to this topic

#1 CallMeLucky

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Posted 07 March 2012 - 10:14 AM

Glad I can cross Ebola off my list of things to worry about

http://www.npr.org/b...rt-ebola-in-lab

Cancer Drugs Thwart Ebola In Lab

by Scott Hensley

   

The Ebola virus causes a hemorrhagic fever that can be deadly. Frederick Murphy/CDC

The Ebola virus causes a hemorrhagic fever that can be deadly.

Ebola is one virus you never want to catch. Ever.

After some aches and a fever, many infected people develop uncontrolled bleeding. The mortality rates from Ebola infection can run as high as 90 percent.

There's no cure for Ebola. But a group of scientists is exploring whether some drugs already approved to treat cancer might help tame the virus.

Sounds wild. But there's a reason — and now some evidence — to think it might work.

To reproduce, the Ebola virus needs the help of cells it invades. And a couple of cancer drugs tweak a human protein that new copies of the virus use to leave their host cells so they can infect others.

The tested drugs — Gleevec and Tasigna, both sold by Novartis — are called tyrosine kinase inhibitors. Tyrosine kinases are enzymes that put a phosphate group on a particular amino acid. Amino acids, as you might remember from high school biology, are the building blocks of proteins.

When a phosphate group gets attached to the right tyrosine block on the right protein, it changes the shape and function of the protein. And that might change everything when it comes to Ebola.

"Proteins are like little machines," says Emory University's Dan Kalman, one of the researchers. "As with a machine, they can be turned or turned off. The switch for turning things on or off is a modification. And one of those modifications is a phosphate group."

In some cancers, the tyrosine kinases help trigger the uncontrolled division of cells. Gleevec and Tasigna help stop that.

When it comes to Ebola, the researchers think drugs like these could turn off a transport protein and could keep new viruses bottled up inside cells.

The Ebola lab work using collections of human cells was published in the latest issue of Science Translational Medicine. It showed that the drugs dramatically decrease the ability of Ebola to replicate. "The effect was quite pronounced," Kalman told Shots.

And, if the theory holds, such a reduction might be enough to allow an infected person's immune system to mop up the Ebola viruses.

"Ebola is a very nasty infection," Kalman says. "The whole concept of containing the disease in a local group before it spreads all over the planet is something clearly we want to do."

The next step will be to see if the drugs can make a difference in animal experiments.


Date  -  Lab  -  Scale  -  Drug  -  Dosage MG  - PCR
2010/Jul -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 1.2%
2010/Oct -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0.25%
2010/Dec -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0.367%
2011/Mar -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0.0081%
2011/Jun -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0%
2011/Sep -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0.00084%
2011/Dec -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0%
2012/Mar -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0.004%
2012/Jun -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0%
2012/Sep -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0%
2012/Dec -  MSKCC  -  Non-IS  -  Sprycel  - 100 - 0%
2013/Jan -  Quest  -  IS  -  Sprycel  -  50-60-70  - 0%
2013/Mar -  Quest  -  IS  -  Sprycel  -  60-70  - 0%
2013/Apr -  CUMC  -  Non-IS  -  Sprycel  - 50 - 0.036%
2013/May -  CUMC  -  Non-IS  -  Sprycel  - 50 - 0.046%
2013/Jun -  Genoptix  -  IS  -  Sprycel  - 50 - 0.0239%
2013/Jul -  Genoptix  -  IS  -  Sprycel  - 70 - 0.0192%
2013/Jul -  Genoptix  -  IS  -  Sprycel  - 70 - 0.0034%
2013/Oct -  Genoptix  -  IS  -  Sprycel  - 70 - 0.0054%
2014/Jan -  Genoptix  -  IS  -  Sprycel  - 70 - 0.0093%
2014/Mar -  Genoptix  -  IS  -  Sprycel  - 100 - 0.013%
2014/Apr -  Genoptix  -  IS  -  Sprycel  - 100 - 0.0048%
2014/Jul -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2014/Nov -  Genoptix  -  IS  -  Sprycel  - 100 - 0.047%
2014/Dec -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2015/Mar -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2015/Jun -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2015/Sep -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2015/Dec -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2016/Mar -  Genoptix  -  IS  -  Sprycel  - 100 - 0.0228%
2016/Jun -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2016/Sep -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2016/Dec -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2017/Mar -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2017/Jun -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2017/Sep -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2017/Dec - Genoptix  -  IS  -  Sprycel  -  100 - 0%
 

 

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#2 hannibellemo

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Posted 07 March 2012 - 03:28 PM

Lucky,

I'm sure you didn't mean to make this mistake, but it's obvious that the picture you posted is PhilB after a day at Disney World!

Pat


Pat

 

"You can't change the direction of the wind but you can adjust your sails."

DX 12/08; Gleevec 400mg; liver toxicity; Sprycel 100mg.; CCyR 4/10; MMR 8/10; Pleural Effusion 2/12; Sprycel 50mg. Maintaining MMR; 2/15 PCRU; 8/16 drifting in and out of undetected like a wave meeting the shore. Retired 12/23/2016! 18 months of PCRU, most recent at Mayo on 7/25/17 was negative at their new sensitivity reporting of 0.003.<p>

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#3 Happycat

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Posted 07 March 2012 - 05:16 PM

Well, as long as the ebola virus doesn't mutate, we're all set!


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#4 CallMeLucky

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Posted 08 March 2012 - 08:53 AM

I think that is the plot of a movie...

Perhaps ponatinib then.....


Date  -  Lab  -  Scale  -  Drug  -  Dosage MG  - PCR
2010/Jul -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 1.2%
2010/Oct -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0.25%
2010/Dec -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0.367%
2011/Mar -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0.0081%
2011/Jun -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0%
2011/Sep -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0.00084%
2011/Dec -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0%
2012/Mar -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0.004%
2012/Jun -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0%
2012/Sep -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0%
2012/Dec -  MSKCC  -  Non-IS  -  Sprycel  - 100 - 0%
2013/Jan -  Quest  -  IS  -  Sprycel  -  50-60-70  - 0%
2013/Mar -  Quest  -  IS  -  Sprycel  -  60-70  - 0%
2013/Apr -  CUMC  -  Non-IS  -  Sprycel  - 50 - 0.036%
2013/May -  CUMC  -  Non-IS  -  Sprycel  - 50 - 0.046%
2013/Jun -  Genoptix  -  IS  -  Sprycel  - 50 - 0.0239%
2013/Jul -  Genoptix  -  IS  -  Sprycel  - 70 - 0.0192%
2013/Jul -  Genoptix  -  IS  -  Sprycel  - 70 - 0.0034%
2013/Oct -  Genoptix  -  IS  -  Sprycel  - 70 - 0.0054%
2014/Jan -  Genoptix  -  IS  -  Sprycel  - 70 - 0.0093%
2014/Mar -  Genoptix  -  IS  -  Sprycel  - 100 - 0.013%
2014/Apr -  Genoptix  -  IS  -  Sprycel  - 100 - 0.0048%
2014/Jul -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2014/Nov -  Genoptix  -  IS  -  Sprycel  - 100 - 0.047%
2014/Dec -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2015/Mar -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2015/Jun -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2015/Sep -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2015/Dec -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2016/Mar -  Genoptix  -  IS  -  Sprycel  - 100 - 0.0228%
2016/Jun -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2016/Sep -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2016/Dec -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2017/Mar -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2017/Jun -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2017/Sep -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2017/Dec - Genoptix  -  IS  -  Sprycel  -  100 - 0%
 

 

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#5 Happycat

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Posted 08 March 2012 - 05:26 PM

Lucky,

My first thought was, "Movie?  What's a movie?  I have 3 kids, I never get out. "

But then I realized I DO see movies, but they are almost always the animated variety. Don't think they made that Ebola plot one into a cartoon, huh?

Traci


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#6 janne

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Posted 08 March 2012 - 07:27 PM

Pat,


Too funny...wasn't expecting that comparison in our study of a magnified Pepto-bismol stained virus...Thanks for the contribution Lucky !


Dx'd: 8/2008. Started Gleevec 400 mg 11/08. 

Drug break 2011.

Started Tasigna 4/11 450 mg.

Reduction to 300 mg Tasigna 1/2012.

PCRU 9/2012.

12/2012 Detectable.

PCRU 4/2013 through 3/2015. (Reduced to 150 mg 7/2014)

12/2015  ? slightly detectable at probably less than 0.01% per Mayo Clinic.

4/2016 PCRU. Still at 150 mg Tasigna.

 

CESSATION: stopped treatment 7/20/2017. 

9/6/2017:  barely detectable at 0.01%. 

12/11/2017: PCR at 0.09% (did not do the monthly PCR testing.) 

12/18/2017: Inevitable call from Onc. Started back on Tasigna at 150 mg. (Considering Sprycel low dose.) 

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#7 CallMeLucky

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Posted 08 March 2012 - 10:44 PM

Check out "Osmosis Jones"

http://www.amazon.co...s/dp/B002AJIOES

It's about White Blood Cell played by Chris Rock who goes to battle against a deadly virus (Lawrence Fishburn) in Bill Murray's body.


Date  -  Lab  -  Scale  -  Drug  -  Dosage MG  - PCR
2010/Jul -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 1.2%
2010/Oct -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0.25%
2010/Dec -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0.367%
2011/Mar -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0.0081%
2011/Jun -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0%
2011/Sep -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0.00084%
2011/Dec -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0%
2012/Mar -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0.004%
2012/Jun -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0%
2012/Sep -  MSKCC  -  Non-IS  -  Gleevec  - 400 - 0%
2012/Dec -  MSKCC  -  Non-IS  -  Sprycel  - 100 - 0%
2013/Jan -  Quest  -  IS  -  Sprycel  -  50-60-70  - 0%
2013/Mar -  Quest  -  IS  -  Sprycel  -  60-70  - 0%
2013/Apr -  CUMC  -  Non-IS  -  Sprycel  - 50 - 0.036%
2013/May -  CUMC  -  Non-IS  -  Sprycel  - 50 - 0.046%
2013/Jun -  Genoptix  -  IS  -  Sprycel  - 50 - 0.0239%
2013/Jul -  Genoptix  -  IS  -  Sprycel  - 70 - 0.0192%
2013/Jul -  Genoptix  -  IS  -  Sprycel  - 70 - 0.0034%
2013/Oct -  Genoptix  -  IS  -  Sprycel  - 70 - 0.0054%
2014/Jan -  Genoptix  -  IS  -  Sprycel  - 70 - 0.0093%
2014/Mar -  Genoptix  -  IS  -  Sprycel  - 100 - 0.013%
2014/Apr -  Genoptix  -  IS  -  Sprycel  - 100 - 0.0048%
2014/Jul -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2014/Nov -  Genoptix  -  IS  -  Sprycel  - 100 - 0.047%
2014/Dec -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2015/Mar -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2015/Jun -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2015/Sep -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2015/Dec -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2016/Mar -  Genoptix  -  IS  -  Sprycel  - 100 - 0.0228%
2016/Jun -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2016/Sep -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2016/Dec -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2017/Mar -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2017/Jun -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2017/Sep -  Genoptix  -  IS  -  Sprycel  - 100 - 0%
2017/Dec - Genoptix  -  IS  -  Sprycel  -  100 - 0%
 

 

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#8 pammartin

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Posted 08 March 2012 - 10:56 PM

Hey Lucky,

I thought that movie was funny, I could never watch Fishburne on CSI Las Vegas without thinking of that movie and his part.  Thanks for the memory!


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#9 Guest_billronm_*

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Posted 09 March 2012 - 12:25 AM

Okay Lucky,

   I took a looong nap today,

      What are you guys talking about? "What Movie? "What csi Las Vegas"? What time is it? I'm going back to bed, and I'll read this post again tomorrow! After my Coffee.             LOL Billie


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