HOME >> BIOLOGY >> NEWS
Cigarette smoke exacerbates alcohol's effects on defense against Streptococcus pneumoniae

  • Streptococcus pneumoniae is a bacterium that causes a number of infections, including pneumonia.
  • Alcoholics and cigarette smokers are particularly susceptible to pulmonary infections caused by S. pneumoniae.
  • New research has found that alcohol consumption alone can increase movement of S. pneumoniae toward the lungs, and that smoke exposure exacerbates alcohol's effects.

Streptococcus pneumoniae is a bacterium that can infect the upper respiratory tract and cause pneumonia, as well as infections in other parts of the body such as the bloodstream (bacteremia), lining of the brain and spinal cord (meningitis), bones (osteomyelitis), joints (arthritis), ears (otitis media) and sinuses (sinusitis). Alcoholics and cigarette smokers are particularly susceptible to pulmonary infections caused by S. pneumoniae. A rodent study in the May issue of Alcoholism: Clinical & Experimental Research has found that alcohol consumption increases movement of S. pneumoniae toward the lungs, and that smoke exposure exacerbates the alcohol-induced increase in bacterial penetration.

"All of the infections caused by S. pneumoniae start with the bacterium colonizing or binding to cells in the upper part of the nose, which is called the nasopharynx," said Gentry-Nielsen, professor of microbiology and immunology at Creighton University School of Medicine, research microbiologist at the Omaha Veterans Affairs Medical Center, and corresponding author for the study. "The trachea that leads from the nasopharynx to the lungs is lined with cells that have hair-like projections called cilia. These cilia beat in an upward direction to sweep mucus and microorganisms like S. pneumoniae upward and prevent their movement into the lungs. Disease normally occurs when the immune system is compromised or the person is colonized with a new or especially virulent strain of S. pneumoniae that
'"/>


15-May-2005


Page: 1 2 3 4

Related biology news :

1. Cigarette smoke alters DNA in sperm, genetic damage could pass to offspring
2. Cigarette smoke blocks cell repair mechanism, University of Florida study shows
3. Cigarette smoke reduces transport of hamster eggs
4. Cigarette smoking exacerbates alcohol-induced brain damage
5. Cigarette smoke a culprit in poor healing and increased scarring
6. Children of smokers have more than 5 times higher levels of a nicotine toxin
7. Study confirms the risk of exposure to secondhand tobacco smoke outdoors
8. Good vibrations from deep-sea smokers may keep fish out of hot water
9. Exercise can reduce a smokers lung cancer risk, but quitting smoking is still most important
10. Successful lung cancer surgery not enough to break nicotine dependence in many smokers
11. PET imaging shows young smokers quick benefit of quitting

Post Your Comments:
(Date:3/24/2015)... 24, 2015   NexID Biometrics LLC, whose ... needs, today announced the beginning of shipments of version ... The company, based in Potsdam, N.Y. ... Connect:ID Expo, which began here today at the Walter ... 2.0 of its SDK boosts the accuracy rate range ...
(Date:3/23/2015)... ANGELES , March 23, 2015  In the ... Federal fraud case conviction losses. This figure accounts for ... which, according to The Nilson Report, exceeds $11 billion ... investigative tool after a crime has occurred. Investor ... and polygraph expert Joe Paolella partnered to ...
(Date:3/20/2015)... NXT-ID, Inc. (NASDAQ: NXTD ) ("NXT-ID" ... the growing mobile commerce market, announces its biometric payment ... products featured in 2015 "I Want That" International CES ... on the DIY Network.   DIY,s "I ... , site of the 2015 International CES for a ...
Breaking Biology News(10 mins):NexID Begins Shipments Of Version 2.0 Fake-Finger-Detection Solution 2Polygraph Test Now Used to Protect Investors From Fraud 2Polygraph Test Now Used to Protect Investors From Fraud 3NXT-ID's Wocket Biometric Smart Wallet to Air on "I Want That" International CES Special 2NXT-ID's Wocket Biometric Smart Wallet to Air on "I Want That" International CES Special 3
(Date:3/30/2015)... PARK, N.J. , March 30, 2015 /PRNewswire/ ... (PAMORA) under development by Shionogi & Co., Ltd., ... phase III study (COMPOSE I) for the treatment ... chronic non-cancer pain receiving opioid therapy. Study results ... daily) statistically significantly improved the frequency of spontaneous ...
(Date:3/30/2015)... and MADISON, Wis. , ... Shigehiro Nakajima ,) (TSE: 4901) ("Fujifilm") and Cellular Dynamics ... ICEL ) ("CDI"), a leading developer and manufacturer ... precise specifications, today announced that the two companies have ... CDI via an all-cash tender offer to be followed ...
(Date:3/29/2015)... IRVING, Texas , March 29, 2015 ... presentation of study data in small cell ... profiling using Caris Molecular Intelligence®, the company,s ... of certain gene mutations which may explain ... Researchers found that identification of certain biomarkers ...
(Date:3/29/2015)... NJ (PRWEB) March 29, 2015 As ... deadlines often required by our pharmaceutical manufacturing clients, Whitehouse ... its sponsorship of the Berkenstock Race Team for the ... requires not only speed, but a strong sense of ... principles that lead to success in the quality control ...
Breaking Biology Technology:Shionogi & Co., Ltd. Announces That Naldemedine Meets Primary Endpoint In A Phase 3 Study For The Treatment Of Opioid-Induced Constipation 2Shionogi & Co., Ltd. Announces That Naldemedine Meets Primary Endpoint In A Phase 3 Study For The Treatment Of Opioid-Induced Constipation 3Fujifilm Holdings to Acquire Cellular Dynamics International, Inc. 2Fujifilm Holdings to Acquire Cellular Dynamics International, Inc. 3Fujifilm Holdings to Acquire Cellular Dynamics International, Inc. 4Fujifilm Holdings to Acquire Cellular Dynamics International, Inc. 5Fujifilm Holdings to Acquire Cellular Dynamics International, Inc. 6Fujifilm Holdings to Acquire Cellular Dynamics International, Inc. 7Fujifilm Holdings to Acquire Cellular Dynamics International, Inc. 8Study Using Caris Molecular Intelligence Multiplatform Tumor Profiling Identifies Potential Treatment Strategies for Small Cell Cervical Cancer 2Study Using Caris Molecular Intelligence Multiplatform Tumor Profiling Identifies Potential Treatment Strategies for Small Cell Cervical Cancer 3Whitehouse Laboratories Reaffirms Commitment to Speedy Results – Renews Sponsorship of Berkenstock Racing Team 2
Cached News: