Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

K-State researcher links cigarette smoke, vitamin A deficiency and emphysema

27.07.2004


While studying the relationship between vitamin A and lung inflammation, a Kansas State University researcher made a surprising discovery -- a link between vitamin A and emphysema in smokers. Richard Baybutt, associate professor of human nutrition, said his research could have a number of implications for smokers and the cigarette and health industries.



The discovery was accidental, Baybutt said, but the research project quickly shifted to investigate the link. "We essentially weren’t looking for it," he said. "But we knew we had do this."

According to Baybutt, his previous research had shown that rats fed a vitamin A-deficient diet developed emphysema, a lung disease found primarily in smokers. In his most recent research, Baybutt exposed a group of rats to cigarette smoke and found that those rats became vitamin A deficient. Benzopyrene, a common carcinogen found in cigarettes, is the link to the deficiency, Baybutt said. When fed to rats, benzopyrene induces vitamin A deficiency.


"When the lung content of vitamin A was low, the score of emphysema was high," he said. "So, the hypothesis is that smokers develop emphysema because of a vitamin A deficiency."

To further study the connection between smoking, vitamin A deficiency and emphysema, Baybutt began feeding the rats exposed to cigarette smoke a diet with higher levels of vitamin A. The result was what he had hoped.

"We saw that the areas of emphysema were effectively reduced," he said.

Baybutt said he believes this might help explain the occurrence of emphysema.

"There are a lot of people who live to be 90 years old and are smokers," he said. "Why? Probably because of their diet."

The research still shows that smoking does not support a healthy lifestyle, Baybutt said.

"The implications are that those who start smoking at an early age are more likely to become vitamin A deficient and develop complications associated with cancer and emphysema," he said. "And if they have a poor diet, forget it."

Baybutt said he also hopes to investigate the link between vitamin A and lung cancer. Vitamin A has been asserted to have anti-cancer effects.

Baybutt’s work was published in the Journal of Nutrition (Vols. 130 and 133). Support for the research was provided by the Kansas Agricultural Experiment Station, the Unites States Department of Agriculture and the K-State Center for Basic Cancer Research.

Richard Baybutt | EurekAlert!
Further information:
http://www.k-state.edu

More articles from Health and Medicine:

nachricht World first: Massive thrombosis removed during early pregnancy
20.07.2017 | Universitätsspital Bern

nachricht Therapy of preterm birth in sight?
19.07.2017 | Universitätsspital Bern

All articles from Health and Medicine >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Manipulating Electron Spins Without Loss of Information

Physicists have developed a new technique that uses electrical voltages to control the electron spin on a chip. The newly-developed method provides protection from spin decay, meaning that the contained information can be maintained and transmitted over comparatively large distances, as has been demonstrated by a team from the University of Basel’s Department of Physics and the Swiss Nanoscience Institute. The results have been published in Physical Review X.

For several years, researchers have been trying to use the spin of an electron to store and transmit information. The spin of each electron is always coupled...

Im Focus: The proton precisely weighted

What is the mass of a proton? Scientists from Germany and Japan successfully did an important step towards the most exact knowledge of this fundamental constant. By means of precision measurements on a single proton, they could improve the precision by a factor of three and also correct the existing value.

To determine the mass of a single proton still more accurate – a group of physicists led by Klaus Blaum and Sven Sturm of the Max Planck Institute for Nuclear...

Im Focus: On the way to a biological alternative

A bacterial enzyme enables reactions that open up alternatives to key industrial chemical processes

The research team of Prof. Dr. Oliver Einsle at the University of Freiburg's Institute of Biochemistry has long been exploring the functioning of nitrogenase....

Im Focus: The 1 trillion tonne iceberg

Larsen C Ice Shelf rift finally breaks through

A one trillion tonne iceberg - one of the biggest ever recorded -- has calved away from the Larsen C Ice Shelf in Antarctica, after a rift in the ice,...

Im Focus: Laser-cooled ions contribute to better understanding of friction

Physics supports biology: Researchers from PTB have developed a model system to investigate friction phenomena with atomic precision

Friction: what you want from car brakes, otherwise rather a nuisance. In any case, it is useful to know as precisely as possible how friction phenomena arise –...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Closing the Sustainability Circle: Protection of Food with Biobased Materials

21.07.2017 | Event News

»We are bringing Additive Manufacturing to SMEs«

19.07.2017 | Event News

The technology with a feel for feelings

12.07.2017 | Event News

 
Latest News

NASA looks to solar eclipse to help understand Earth's energy system

21.07.2017 | Earth Sciences

Stanford researchers develop a new type of soft, growing robot

21.07.2017 | Power and Electrical Engineering

Vortex photons from electrons in circular motion

21.07.2017 | Physics and Astronomy

VideoLinks
B2B-VideoLinks
More VideoLinks >>>