New technology may help identify safe alternatives to BPA

Many research have linked exposure to bisphenol A (BPA) in plastic, receipt paper, toys, and other goods with many well being problems from poor growth to cancer, and the FDA has been supporting efforts to obtain and use options. But are these alternatives...

New technology may help identify safe alternatives to BPA

Many research have linked exposure to bisphenol A (BPA) in plastic, receipt paper, toys, and other goods with many well being problems from poor growth to cancer, and the FDA has been supporting efforts to obtain and use options. But are these alternatives safer? Researchers reporting in the Cell Press journal Chemistry & Biology have created new tests that can classify such compounds' activity with fantastic detail and speed. The advance could supply a fast and cost-efficient way to determine secure replacements for BPA.

Millions of tons of BPA and associated compounds are created each year. "I consider it is fair to say that numerous of these BPA analogs have not been thoroughly tested, yet they are employed in daily plastics such as water bottles, baby bottles, and the lining of canned goods." says lead author Dr. Fabio Stossi of Baylor College of Medicine.

BPA and BPA analogs belong to a class of compounds named endocrine disruptors, so named since they can interfere with the body's endocrine, or hormonal, method. Utilizing their newly developed assays on living cells, Dr. Stossi and his colleagues characterized how 18 unique BPA analogs influence alpha and beta estrogen receptors, which are the key targets of this class of chemical substances. Their research were conducted working with higher throughput microscopy and automated image analysis in unique cell line models, with varying exposures to BPA analogs.

The investigators had been able to record and analyze massive data sets associated to BPA analogs. "The higher throughput method that we've refined throughout the past several years can simultaneously quantify what these compounds are performing to a wide range of processes such as protein levels, nuclear trafficking, DNA binding, protein interactions, transcription, cell cycle, and proliferation," says senior author Dr. Michael A. Mancini, of Baylor and the Texas A&M Health Science Center Institute of Biosciences and Technologies (IBT). "The benefits showed us that many BPA analogs improved or decreased particular receptor activities, while other people were receptor specific clearly, the numerous BPA analogs can have unique properties."

The investigators discovered that numerous BPA analogs have inhibitory effects on the beta form of the estrogen receptor, a significantly less properly-studied steroid receptor that has tumor fighting properties. Many analogs also acted to stimulate the alpha type of the estrogen receptor or they had mixed inhibitory and stimulatory effects. Figuring out precisely how these effects influence human well being will call for more investigation. "These research represent a breakthrough in our ability to focus precious sources on those BPA analogs and other endocrine disrupting chemicals of greatest concern," says coauthor Dr. Cheryl Walker of the IBT.

The scientists note that there are likely lots of much more BPA-like compounds that can be located in products and in the environment. The extensively applicable technologies made use of in the study will allow investigators to swiftly test such compounds for any unexpected or undesirable properties.

Read More: Phys

23 May 2014 Friday 07:09
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