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Tuesday 07, Sep 2010

  Athletes often misuse protein supplements

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Athletes often misuse protein supplementsAccording to a recent study, protein supplements are not good enough to enhance performance or reduce recovery time.

Martin Fréchette, a researcher and graduate of the Université de Montréal Department of Nutrition, said that protein supplements are often poorly used or unnecessary by both high-level athletes and amateurs.

Fréchette remarked that some supplements have levels of sodium, magnesium, niacin, folate, vitamin A and iron that exceeded the acceptable norms that can lead to health complications such as nausea, fatigue, vision trouble, and liver anomalies.

Monday 12, Jul 2010

  Proteins and sport drinks not a great combination

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Proteins and sport drinks not a great combinationRecent findings from researchers at the McMaster University have suggested that there is no point of adding proteins to sport drinks, which is a common practice with some sportsmen.

Martin Gibala, an Associate Professor of Kinesiology at McMaster, presented findings of the study that disclosed that addition of protein to a carbohydrate-electrolyte sport drink is not useful for enhancing cycling time trial performance when compared to the sport drink alone.

It was also disclosed by this study that sport drink can be useful only because of carbohydrates, which provides the fuel required to work muscles, and sodium that is effective to maintain fluid balance.

Tuesday 25, May 2010

  Biodegradable particles may bypass mucus and release drugs

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Biodegradable particles may bypass mucus and release drugsBiodegradable nanosized particles have been created by researchers at Johns Hopkins University, which could easily slip through the sticky and viscous mucus secretions of the body for delivering a medication cargo over a period of time.

It was remarked by the involved researchers that these nanoparticles can one day carry life-guarding drugs for patients with health conditions such as eye and female reproductive tract diseases.

The biodegradable nanoparticles, which can penetrate the mucus, were developed by an interdisciplinary team led by Justin Hanes, a professor of chemical and biomolecular engineering in the Whiting School of Engineering at Johns Hopkins.

Friday 05, Mar 2010

  Gene responsible for fatal kidney disease identified

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Gene responsible for fatal kidney disease identifiedA critical genetic cause of a fatal kidney disease that is the second leading cause of kidney failure among children has been identified by researchers from Children’s Hospital Boston and Brigham and Women’s Hospital, as per The NephCure Foundation.

This study was published online by Nature Genetics and can offer clues to develop treatment options for focal segmental glomerulosclerosis (FSGS).

The research team was led by Elizabeth Brown, MD of Children’s Division of Nephrology, working in the laboratory of Martin Pollak, MD of the Renal Division at Brigham and Women’s Hospital.

Wednesday 03, Mar 2010

  Biodegradable particles capable of bypassing mucus and release drugs

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Biodegradable particles capable of bypassing mucus and release drugsResearchers from the John Hopkins University have created Biodegradable nanosized particles that can easily slip through sticky and viscous mucus secretions of the body to deliver a sustained-release medication cargo.

It was remarked by the researchers that the nanoparticles can carry life-saving drugs to patients suffering from diseases such as eye, gut, and lung complications.

The work was supported in part by funding from the National Institutes of Health, a National Center for Research Resources Clinical and Translational Science Award, the Cystic Fibrosis Foundation, the National Science Foundation and a Croucher Foundation Fellowship.

Friday 15, May 2009

  BRASSINOSTEROIDS WORKS FOR PLANTS

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BRASSINOSTEROIDS WORKS FOR PLANTSPlant steroids are called brassinosteroids which regulates plants growth and development. Plants deficient in brassinosteroids are stunted in growth and are infertile. Brassinosteroids work at cellular level and targets the receptors which are anchored to the outside surface of the cell membranes. Researchers studied the transmission of hormonal signal from the cell surface receptor to its action in the nucleus, where genes are the targets of regulation. This was all based on proteomics-the comprehensive survey and mapping of proteins. Since cell membrane is made up of proteins and brassinosteroids functions on cell membrane, thus researchers tried separating the membranes from the rest of the cell material and just analyzed that fraction. And that worked.

In the studies produced, it was found that kinases, a class of proteins, which are linked with phosphate ions, responded to brassinosteroids. This was known as brassinosteroids signaling kinases, which were supposed to be first ever signaling compound to be inferred by proteomics.

Major works showed by Wang showed the signal transduction pathways which established the connection between kinase signaling in plants and steroid signaling by cell-surface receptors in general.

Till now, we believed that steroids just work on human and animals, but the above studies showed the hormone paradigm in plants along with steroids and gave us a new way in research.