News tagged with genetic change
Mouse research links adolescent stress and severe adult mental illness
Working with mice, Johns Hopkins researchers have established a link between elevated levels of a stress hormone in adolescence—a critical time for brain development—and genetic changes that, in young adulthood, cause ...
Neuroscience
Jan 17, 2013 |
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Childhood trauma leaves its mark on the brain
It is well known that violent adults often have a history of childhood psychological trauma. Some of these individuals exhibit very real, physical alterations in a part of the brain called the orbitofrontal ...
Psychology & Psychiatry
Jan 15, 2013 |
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Epigenomic abnormalities predict patient survival in non-Hodgkins lymphoma
Think of the epigenome like a giant musical mixing board, turning up or down the expression of various genes. A University of Colorado Cancer Center study published today in the journal PLOS Genetics shows that in cancer ...
Genetics
Jan 10, 2013 |
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Scientists use Pap test fluid to detect ovarian, endometrial cancers
Using cervical fluid obtained during routine Pap tests, scientists at the Johns Hopkins Kimmel Cancer Center have developed a test to detect ovarian and endometrial cancers. In a pilot study, the "PapGene" test, which relies ...
Cancer
Jan 09, 2013 |
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Gene testing asthmatic children could lead to better treatment
(Medical Xpress)—Testing asthmatic children for a specific gene could prevent their condition worsening, according to new research by scientists in Dundee and Brighton.
Inflammatory disorders
Jan 08, 2013 |
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Immune system changes may drive aggressiveness of recurrent tumors
Nearly half of the 700,000 cancer patients who undergo surgical removal of a primary tumor each year suffer a recurrence of their disease at some point, and many of those patients will eventually die from their disease. The ...
Cancer
Dec 27, 2012 |
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Search for epigenetic decoder leads scientists to Rett Syndrome
(Medical Xpress)—A few years ago, scientists discovered an unexpected layer of information woven into the genetic code – a nucleotide called 5-hydroxymethylcytosine, or 5hmC. Its meaning was unknown at the time, but a ...
Medical research
Dec 21, 2012 |
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Protein creates paths for growing nerve cells
Working with mice, Johns Hopkins scientists have discovered that a particular protein helps nerve cells extend themselves along the spinal cord during mammalian development. Their results shed light on the ...
Neuroscience
Dec 19, 2012 |
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Researchers discover new molecule linked to late-stage breast cancer
Researchers at Case Western Reserve University School of Medicine have identified a molecule linked to more aggressive forms of breast cancer – a discovery that could point the way to potential cures.
Cancer
Dec 17, 2012 |
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Bugs without borders: Researchers track the emergence and global spread of healthcare associated Clostridium difficile
Researchers show that the global epidemic of Clostridium difficile 027/NAP1/BI in the early to mid-2000s was caused by the spread of two different but highly related strains of the bacterium rather than one as was previo ...
Genetics
Dec 09, 2012 |
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Different genes behind same adaptation to thin air
Highlanders in Tibet and Ethiopia share a biological adaptation that enables them to thrive in the low oxygen of high altitudes, but the ability to pass on the trait appears to be linked to different genes in the two groups, ...
Medical research
Dec 06, 2012 |
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A study of fruit fly genes reveals how molecules cooperate to induce tumor formation
Cancer biologists have known for decades that even the most potent cancer-causing genes do not act alone. Yet, identifying which combinations of genetic changes can cause a tumor to form and disease to progress ...
Genetics
Dec 05, 2012 |
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Study of link between night eating and the peculiar internal clock of fat cells
When researchers at the University of Pennsylvania messed with the internal clocks of mouse fat cells, a surprising thing happened. The mice got fat.
Medical research
Dec 04, 2012 |
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Kidney tumors have a mind of their own
New research has found there are several different ways that kidney tumours can achieve the same result – namely, grow.
Cancer
Nov 21, 2012 |
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A code of silence in acute myeloid leukemia
The development of acute myeloid leukemia (AML) is associated with a variety of genetic changes. Some of these alterations are epigenetic, wherein the sequence of the genes is unchanged, but chemical modifications to the ...
Cancer
Nov 19, 2012 |
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