Friday September 21, 2018

Combination of 50 everyday-use chemicals could be carcinogenic, says research

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image courtesy: www.upi.com
image courtesy: www.upi.com

London: A cocktail of 50 chemicals we are exposed to on a daily basis, including some found in mobile phones, detergents and pesticides used on fruits and vegetables, may trigger cancer, says a research.

“This research backs up the idea that chemicals not considered harmful by themselves may be combining and accumulating in our bodies to trigger cancer and might lie behind the global cancer epidemic we are witnessing,” said Hemad Yasaei from Brunel University London.

A global task force of 174 scientists from leading research centres across 28 countries studied the link between mixtures of commonly encountered chemicals and the development of cancer.

The study selected 85 chemicals not considered carcinogenic to humans and found 50 supported key cancer-related mechanisms at exposures found in the environment.

“A review on this scale, looking at environmental chemicals from the perspective of all the major hallmarks of cancer, is unprecedented,” professor Andrew Ward from University of Bath in Britain said.

Current research estimates that chemicals could be responsible for as many as one in five cancers.

With the human population routinely exposed to thousands of chemicals, the effects need to be better understood to reduce the incidence of cancer globally.

“Every day we are exposed to an environmental ‘chemical soup’, so we need testing that evaluates the effects of our ongoing exposure to these chemical mixtures,” lead study author William Goodson, senior scientist at the California Pacific Medical Centre in San Francisco said.

The research was published in the journal Carcinogenesis. (IANS)

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Gut Microbiota Can Help Identify Liver Cancer: Researchers

Gut microbiota can help the body digest certain foods that the stomach and small intestine have not been able to digest.

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Liver Cancer
How gut microbiota can aid in early diagnosis of liver cancer.

Chinese researchers have identified gut microbiota as a new biomarker of liver cancer, that can help in early diagnosis as well as treatment of the condition.

Hepatocellular carcinoma (HCC) is the most common type of liver cancer and the third leading cause of cancer-related death worldwide.

Due to the absence of specific symptoms in early stages and the lack of diagnostic markers, most patients with HCC are often diagnosed in an advanced stage.

Liver Cancer
AFP is a plasma protein that is produced in abundance by the liver cells. Pixabay

Researchers from China’s Zhejiang University, and Zhengzhou University, found that the microbial diversity in patients with cirrhosis was significantly lower than that in healthy people, but it increased when cirrhosis develops into cancer, the Xinhua reported.

Human gut microbiota has been considered the most important micro-ecosystem living with the body, containing tens of trillions of microorganisms, including at least 1,000 species of bacteria with more than 3 million genes.

Gut microbiota can help the body digest certain foods that the stomach and small intestine have not been able to digest.

Liver Cancer
A high-magnification image from a 2012 glioblastoma case is seen as an example in this College of American Pathologists image released from Northfield. VOA

For the study, appearing in the journal Gut, the team collected 486 fecal samples from across the country.

Also Read: Deaths Due to Cancer Increases to More Than 18 Mn Every Year: WHO

About 12 bacteria genera decreased and six increased in patients with early cancer compared with healthy people.

According to researchers, more data and further studies are needed to confirm the validity and reliability of the model. (IANS)

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