MicroRNA Molecules Current Events | MicroRNA Molecules News | 3
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UF scientists identify cancer virus' genetic targets
University of Florida researchers have identified specific human genes targeted by a virus believed to cause Kaposi's sarcoma, a rare form of cancer associated with AIDS and with organ transplants that causes patches of red or purple tissue to grow under people's skin. view more (2007-05-11)
Scientists Use MicroRNAs to Track Evolutionary History for First Time
The large group of segmented worms known as annelids, which includes earthworms, leeches and bristle worms, evolved millions of years ago and can be found in every corner of the world. view more (2009-09-10)
Short RNAs show a long history
MicroRNAs, the tiny molecules that fine-tune gene expression, were first discovered in 1993. But it turns out they've been around for a billion years. view more (2008-10-02)
MicroRNAs grease the cell's circadian clockwork
Most of our cells possess an internal clock, a group of genes displaying a cyclic expression pattern that reaches a peak once a day. view more (2009-06-01)
MicroRNA gene that regulates lifespan found by Yale scientists
Genes that control the timing of organ formation during development also control timing of aging and death, and provide evidence of a biological timing mechanism for aging, Yale researchers report in the journal Science. view more (2005-12-23)
New genetic techniques to combat lung cancer
New results on genetic techniques that are helping doctors diagnose and treat lung cancer were released today at the 1st European Lung Cancer Conference jointly organized by the European Society for Medical Oncology (ESMO) and the International Association for the Study of Lung Cancer (IASLC) in Geneva, Switzerland. view more (2008-04-28)
New insights into progressive hearing loss
In parallel studies in human and mouse, two groups of researchers have come to the same conclusion: that a new kind of gene is associated with progressive hearing loss. view more (2009-04-13)
UCSF scientists illuminate how microRNAs drive tumor progression
UCSF researchers have identified collections of tiny molecules known as microRNAs that affect distinct processes critical for the progression of cancer. view more (2009-09-17)
Scaling the Wall of Deafness
Despite modern medicine, one in 1,000 American babies are born deaf. The numbers increase markedly with age, with more than 50% of seniors in the United States experiencing some form of hearing loss. view more (2009-04-15)
Texas A&M researchers find new mechanism for circadian rhythm
Molecules that may hold the key to new ways to fight cancer and other diseases have been found to play an important role in regulating circadian rhythm, says Liheng Shi, a researcher in Texas A&M's Department of Veterinary Integrative Biosciences. view more (2009-10-21)
A new kind of mutation could explain numerous phenotypic variations in various species
The authors describe the discovery of a novel class of mutations that disrupt the function of a gene and thereby cause a specific phenotype. The mutation created the appearance of an "illegitimate" microRNA (miRNA) recognition site in a gene that did not have it in its normal form. view more (2006-06-06)
Turning down gene expression promotes nerve cell maintenance
Anyone with a sweet tooth knows that too much of a good thing can lead to negative consequences. The same can be said about the signals that help maintain nerve cells, as demonstrated in a new study of myelin, a protein key to efficient neuronal transmission. view more (2009-02-02)
Small RNAs can prevent spread of breast cancer
Howard Hughes Medical Institute researchers have identified small pieces of ribonucleic acid (RNA) that suppress the spread of breast cancer to the lungs and bone. The new research shows that the most invasive and aggressive human breast cancer tumors are missing three critical microRNA molecules. view more (2008-01-10)
Researchers identify genetic markers for aggressive head and neck cancer
Scientists at Albert Einstein College of Medicine of Yeshiva University have identified genetic markers that signal poor outcomes for patients with head and neck cancer. These findings could one day lead to a genetic test that could help select or predict successful treatment options for patients with this type of cancer. The results were... view more... (2009-03-19)
UCSF team closer to creating safe embryonic-like stem cells
A team of UCSF researchers has for the first time used tiny molecules called microRNAs to help turn adult mouse cells back to their embryonic state. view more (2009-04-13)
Tiny RNA molecules fine-tune the brain's synapses
Non-coding regions of the genome - those that don't code for proteins - are now known to include important elements that regulate gene activity. view more (2006-01-19)
Gladstone scientists identify single microRNA that controls blood vessel development
Scientists from the Gladstone Institute of Cardiovascular Disease (GICD) and UCSF have identified a key regulatory factor that controls development of the human vascular system, the extensive network of arteries, veins, and capillaries that allow blood to reach all tissues and organs. view more (2008-08-12)
Tiny molecule helps control blood-vessel development, researchers find
The development and repair of heart tissue and blood vessels is intimately tied to a tiny piece of ribonucleic acid (RNA) that is found nowhere else in the body, researchers at UT Southwestern Medical Center have found. view more (2008-08-13)
Brain tissue reveals possible genetic trigger for schizophrenia
A study led by scientists from the University of North Carolina at Chapel Hill may have identified a molecular mechanism involved in the development of schizophrenia. view more (2007-03-29)
Scientists dig deeper into the genetics of schizophrenia by evaluating microRNAs
Researchers at Columbia University Medical Center have illuminated a window into how abnormalities in microRNAs, a family of molecules that regulate expression of numerous genes, may contribute to the behavioral and neuronal deficits associated with schizophrenia and possibly other brain disorders. view more (2008-05-12)
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