News tagged with pten gene
Discovery in worms points to more targeted cancer treatment
Nov 10, 2009 |
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Researchers at Queen's University have found a link between two genes involved in cancer formation in humans, by examining the genes in worms. The groundbreaking discovery provides a foundation for how tumor-forming ...
Researchers find how a common genetic mutation makes cancer radiation resistant
Jun 10, 2009 |
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(PhysOrg.com) -- Many cancerous tumors possess a genetic mutation that disables a tumor suppressor called PTEN. Now researchers at Washington University School of Medicine in St. Louis have shown why inactivation of PTEN ...
Gene helps protect tumor suppressor in breast cancer
Apr 06, 2009 |
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Scientists at The University of Texas M. D. Anderson Cancer Center have discovered a gene that protects PTEN, a major tumor-suppressor that is reduced but rarely mutated in about half of all breast cancers.
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Ecological speciation by sexual selection on good genes: Is speciation adaptive?
Nov 26, 2009 |
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Darwin suggested that the action of natural selection can produce new species, but 150 years after the publication of his famous book, 'On the Origin of Species', debate still continues on the mechanisms of speciation. New ...
Knockouts in human cells point to pathogenic targets
Nov 26, 2009 |
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(PhysOrg.com) -- Whitehead researchers have developed a new approach for genetics in human cells and used this technique to identify specific genes and proteins required for pathogens.
Scientists reveal 'protector' gene behind 50-fold increase in number of bowel tumours
Nov 26, 2009 |
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(PhysOrg.com) -- Cancer Research UK scientists have shown that deleting a single gene can increase the average number of tumours in the bowel by 50-fold, according to research published in PNAS today.
Whiteflies sabotage alarm system of plant in distress
Nov 26, 2009 |
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(PhysOrg.com) -- When spider mites attack a bean plant, the plant responds by producing odours which attract predatory mites. These predatory mites then exterminate the spider mite population, thus acting ...
A RANK insider resolving the enigma of the fever chart
Nov 25, 2009 |
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Mammals have evolved a complex system for controlling bone remodeling. Babies require calcium for healthy bones and they obtain it from their mother's milk. Nursing mothers release calcium from their bones. Surprisingly, ...
Cells defend themselves from viruses, bacteria with armor of protein errors
Nov 25, 2009 |
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When cells are confronted with an invading virus or bacteria or exposed to an irritating chemical, they protect themselves by going off their DNA recipe and inserting the wrong amino acid into new proteins to defend them ...
Researchers discover biological basis of 'bacterial immune system'
Nov 25, 2009 |
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Bacteria don't have easy lives. In addition to mammalian immune systems that besiege the bugs, they have natural enemies called bacteriophages, viruses that kill half the bacteria on Earth every two days.
Feeding the clock: Cycles of feeding and fasting drive circadian gene expression in the liver
Nov 25, 2009 |
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When you eat may be just as vital to your health as what you eat, found researchers at the Salk Institute for Biological Studies. Their experiments in mice revealed that the daily waxing and waning of thousands ...
Discovery leads to effective treatment of painful skin condition
Nov 24, 2009 |
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Researchers at Huntsman Cancer Institute, in collaboration with a worldwide group of physicians and scientists, have discovered a remarkable treatment for a rare, yet debilitating, skin condition.
Gene increases effectiveness of drugs used to fight cancer and allows reduction in dosage
Nov 24, 2009 |
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Researchers at the University of Granada, Spain, have found a suicide gene, called 'gene E', which leads to the death of tumour cells derived from breast, lung and colon cancer, and prevents their growth. ...
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