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Study investigates extraordinary trout with tolerance to heavily polluted water

By Guest PostAugust 1, 2013Environmentaccumulation of metals, aquatic ecosystems, brown trout, concentrations of metals, cornwall, eduarda santos, Environment, extraordinary trout, gene encoding, genetic diversity, heavily polluted water, history, human activities, kidney, liver, metal content, metallothionein, mining activity, n bury, nerc, protein, river hayle, signs of toxicity, university of exeter, unpolluted sites, uren webster

New research from the University of Exeter and King’s College London has shown how a population of brown trout can survive in the contaminated waters of the River Hayle in Cornwall where metal concentrations are so high they would be lethal to fish from unpolluted sites.

The team believe this is due to changes in the expression of their genes. The research was funded by NERC and the Salmon and Trout Association.

The researchers compared the trout living in the River Hayle with a population living in a relatively clean site in the River Teign. The results showed that the accumulation of metals in the kidney and liver – where metals are stored and detoxified – were 19 and 34 times higher in the Hayle trout, respectively. In the gill, concentrations averaging 63 times higher were present in the Hayle fish, but there were no differences in metal content in the gut. This accumulation of metals in the Hayle fish highlights their extraordinary tolerance of the extreme metal concentrations in their environment. (more…)

Walk of A Lifetime Promotes Organ Donation

By Guest PostMarch 21, 2012General, Health, Mediafirefighter, harry kiernan, kidney, liver, los angeles, new haven, new york, organ donation, sukru emre, united states, vietnam veteran, walk of 2012

Donating part of his liver and a kidney to two different recipients was not enough for Harry Kiernan. The Vietnam veteran and firefighter is now taking his efforts to raise awareness about organ donation many steps further by walking across the United States.

Kiernan’s 3,300-mile journey began on March 19 at Yale-New Haven Hospital, where a kick off ceremony for “Walk of 2012,” took place under the Donate Life flag near the hospital’s entrance. (more…)

Ovarian Cancer Study Proves Drug Delays Disease Progression

By Guest PostJanuary 3, 2012Healthamerican study, amit oza, avastin, bevacizumab, blood vessels, brain, breast, canada, canadian cancer society, caz zyvatkauskas, colorectal, disease, drug, kidney, lung, oncologist, ovarian cancer, starving the cancer, timothy perren, tumours, university of toronto, women

*U of T, U.K. study focused on Avastin*

Treating ovarian cancer with the drug bevacizumab (“Avastin”) delays the disease and may also improve survival, according to an international clinical trial co-led by Drs. Amit Oza of the University of Toronto and Princess Margaret Hospital (PMH) and Timothy Perren of St James’s Institute of Oncology, Leeds, U.K.

The findings, published on Dec. 28 in the New England Journal of Medicine, report that the drug halted the cancer’s return for two months overall. However, for women with the highest risk disease, the delay was five to six months and in this group, the findings also indicate a strong trend to improved overall survival, which is being analysed until 2013. (more…)

Tag Archives: kidney

Study investigates extraordinary trout with tolerance to heavily polluted water

Walk of A Lifetime Promotes Organ Donation

Ovarian Cancer Study Proves Drug Delays Disease Progression