Advertisement


Advertisement

Thread Rating:
  • 6 Vote(s) - 3.67 Average
  • 1
  • 2
  • 3
  • 4
  • 5
H1N1 flu infects deep cells
Advertisement
#1
[Image: hn1-reuters.jpg]

PARIS - H1N1 flu can infect cells deeper in the lungs than seasonal flu, thus helping to boost the severity of the illness, a study released on Thursday said.

The paper provides the first laboratory corroboration of reports from front-line doctors that some patients with A(H1N1) virus suffer worse symptoms compared to those with run-of-the-mill seasonal flu.

Influenza viruses penetrate cells by attaching themselves to molecules called receptors, located on the outside of the cell wall.

The virus' docking spike and the receptor are like a key and a lock. Some viruses only open a few cells, while others have something rather closer to a pass key, making it possible to infect a larger cell variety.

Once inside, the virus uses the cell's machinery to replicate, eventually bursting the cell and going on to attack others.

Seasonal strains attach themselves almost exclusively to cells found in the nose, throat and upper airway, producing a some of influenza's signature symptoms: runny nose, scratchy throat, a dry cough.

But the new research, published in the journal Nature Biotechnology, shows that the new H1N1 flu - by sticking to a greater range of receptors - can also breach cells deep in the lungs.

Lab-dish experiments were carried out by Ten Feizi of Imperial College London and colleagues in which 86 different receptors were exposed to both seasonal and pandemic flu.

The seasonal strains only locked onto the kind of receptors found in the upper respiratory track.

But the H1N1 flu virus was also able to latch onto receptors found deep inside the lungs, albeit more weakly. The adhesion results in a more severe lung infection.

Reply
Thanks given by:
Advertisement
#2
Yes That was Really Dangerous Virus
But in Sun News Channel , the Doctors Told If We Take Rest In Home For 1 week the Fever will Gets Cured Automatically Like Chicken Pox
கந்தல் ஆனாலும் தாய் மடி போல் ஒரு சுகம் வருமா.....வருமா...
சொர்க்கம் சென்றாலும் சொந்த ஊர் போல் சுதந்திரம் வருமா.... வருமா ...
Reply
Thanks given by:
Advertisement




Possibly Related Threads…
Thread Author Replies Views Last Post
  Help: Deep-sea volcano ‘discovered’ Mr.Bhat 0 594 11-02-2010, 11:21 AM
Last Post: Mr.Bhat
  American Scientists Create HIV Resistant Cells Mr.Bhat 2 985 07-05-2010, 08:52 PM
Last Post: Mr.Bhat
  Essential Trait of Embryonic Stem Cells Found SRK 0 849 05-27-2010, 05:31 AM
Last Post: SRK
  Using Stem Cells Scientists create jaw bone Mr.Bhat 0 871 10-12-2009, 12:08 PM
Last Post: Mr.Bhat
  Exposure to H1N1 strain in womb linked to higher heart disease risk Ananya 0 888 10-01-2009, 02:09 PM
Last Post: Ananya
  Hospitals let H1N1 flu patients die Sathish 0 725 09-15-2009, 07:39 AM
Last Post: Sathish
  Artificial red blood cells a step closer Mr.Bhat 0 1,475 08-24-2009, 12:49 PM
Last Post: Mr.Bhat
  India likely to have H1N1 vaccine by Sept Mr.Bhat 1 852 08-06-2009, 10:15 AM
Last Post: sripatiyadav
  White blood cells move like millipedes to get to the site of infection or injury Mr.Bhat 0 936 05-05-2009, 05:31 PM
Last Post: Mr.Bhat
  Heart cells grow back, finds Indian doctor Sathish 0 951 04-03-2009, 08:02 AM
Last Post: Sathish

Forum Jump:


Users browsing this thread: 1 Guest(s)
Advertisement