ScienceDaily: Health & Medicine News |
- Memory in adults impacted by versions of four genes
- New genetic regions linked to bone-weakening disease and fractures
- Nanoparticles home in on brain tumors, boost accuracy of surgical removal
- Blood type A may predispose to some rotavirus infections
- Scientists identify FLT3 gene as a valid therapeutic target in acute myeloid leukemia
- New genes linked to brain size, intelligence
- Gene mutations play critically important role in acute myeloid leukemia; Promising development for new treatments
| Memory in adults impacted by versions of four genes Posted: 15 Apr 2012 12:13 PM PDT Scientists have advanced understanding of the genetic components of Alzheimer's disease and of brain development with two new studies. The first study has found that certain versions of four genes may speed shrinkage of a brain region involved in making new memories. The brain area, known as the hippocampus, normally shrinks with age, but if the process speeds up, it could increase vulnerability to Alzheimer's disease, the research suggests. The second article identifies two genes associated with intracranial volume -- the space within the skull occupied by the brain when the brain is fully developed in a person's lifespan, usually around age 20.  |
| New genetic regions linked to bone-weakening disease and fractures Posted: 15 Apr 2012 12:13 PM PDT Thirty-two previously unidentified genetic regions associated with osteoporosis and fracture have now been identified. Variations in the DNA sequences in these regions confer either risk or protection from the bone-weakening disease.  |
| Nanoparticles home in on brain tumors, boost accuracy of surgical removal Posted: 15 Apr 2012 12:13 PM PDT Like special-forces troops laser-tagging targets for a bomber pilot, tiny particles that can be imaged three different ways at once have enabled scientists to remove brain tumors from mice with unprecedented accuracy.  |
| Blood type A may predispose to some rotavirus infections Posted: 15 Apr 2012 12:13 PM PDT Whether you become infected by some strains of rotavirus may depend on your blood type. Some strains of rotavirus find their way into the cells of the gastrointestinal tract by recognizing antigens associated with the type A blood group, a finding that represents a new paradigm in understanding how this gut pathogen infects humans, said researchers.  |
| Scientists identify FLT3 gene as a valid therapeutic target in acute myeloid leukemia Posted: 15 Apr 2012 12:01 PM PDT Through a groundbreaking new gene sequencing technology, researchers have demonstrated that the gene FLT3 is a valid therapeutic target in Acute Myeloid Leukemia, AML, one of the most common types of leukemia. The discovery may help lead to the development of new drugs to treat AML.  |
| New genes linked to brain size, intelligence Posted: 15 Apr 2012 12:01 PM PDT A global team has mapped the human genes that boost or sabotage the brain's resistance to a variety of mental illnesses and Alzheimer's disease. The study also uncovered new genes that explain individual differences in brain size and intelligence.  |
| Posted: 15 Apr 2012 12:01 PM PDT The key to treating one of the most common types of human leukemia may lie within mutations in a gene called FLT3, according to new research. The work validates certain activating mutations in the FLT3 gene as targets for acute myeloid leukemia therapy -- a critically important finding for developing drugs.  |
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