Tag: "identified" at biology news
Duke Researchers Discover Candidate Susceptibility Gene For Autoimmune Disease
...t Duke medical center. To date, doctors have not identified
any specific genes for autoimmunediseases such as ...mmune diseases." The corresponding gene has been identified
in people, and Blackshear'sgroup will soon begin a study to see if mutations in the gene correlatewi...
Duke Researchers Find Second Gene Linked To Blood Vessel Disorder
...ponse to injury. The finding links a previously identified
human gene called activin receptorlike kinase 1 (A...the December 1994 issue of Nature Genetics,Marchuk identified
the first gene linked to HHT. This gene, called ENG,is located on chromosome 9 and encodes a protein...
Race Plus Roaches: A Breathtaking Link
... breeding ground. The domestic cockroach has been identified
as a source of indoor allergen worldwide, both in temperate and tropical climates. Although more than 60 species have been identified, the most common in North America are the German, Oriental, and American cockroaches. Cockroach allergens are known ...
Cornell Researchers Precisely Date Wood From Ancient Tomb In Turkey
...-- A team of researchers at Cornell University has identified
the exact year that logs were cut at an archaeolog... sites throughout the eastern Mediterranean. They identified
this exact "window," from 2200 B.C. to 718 B.C., by analyzing variations in the width of annual tree...
Florida Researchers Discover Gene For Fatal Childhood Disease
...INESVILLE---University of Florida researchers have identified
the genethat causes a rare, fatal childhood diseas... medication may be available." Researchers identified
the gene by first mapping its location in micewith Chediak-Higashi syndrome, sifting through piece a...
Researchers Find Possible New Route to Making Cancer Cells Vulnerable
...eof death for cancer patients. The scientists have identified
a new targetto stop drug resistance in cancer cell...promising the immune system. "We may have identified
an Achilles' heel in the body's natural reactionin expelling toxic drugs," said geneticist Dr. Josep...
Bark Beetle Infestation Spurs Multifaceted Study
...he forest. Onsome trees, fire-damaged rings can be identified
and then dated. A compilationof burning dates and locations can reveal the fire pattern in the area,including both frequency and extent. The severity of the fires can be estimatedfrom the burn scars. A survey of the ages of trees at specific fires ...
A Genetic Skeleton Key
...find humangenes." Many cancer-causing genesalready identified
in mice and otherlaboratory animals are thought tohave analogs that cause cancer inhumans. This animal research cannow be translated far more quicklyinto human gene sequences, andultimately, it is hoped, into treat-mentsand cures." Pevzner and his Ru...
Salvage Gene Is At The Root Of Many Mutations
...nce, noting that Rochester scientists have already identified
similar gene sequences in human DNA. "And mutagenesisis at the heart of cancer, which is thought to occur because mutations permit precancerous cells to overcome the geneticdefenses against unlimited cell proliferation and migration." The Roches...
Major Plant Genome Research Project Underway
...mallest genome and the highest gene density so far identified
in a flowering plant. What scientists learn from the study of Arabidopsis genes will be immediately applicable to economically important plant species, according to Mary Clutter, NSF assistant director for biological sciences, and will lead to the ...
Discovery Of Cell Sites May Shed Light On How Bodily Systems Interact
... journal Endocrinology. Specifically, researchers identified
two types of receptors for interleukin-1(IL-1), a molecule produced by the body's immune system during a bacterialinfection, on the somatotrope cells in the pars anterior (outside sections)of the pituitary gland. The research, funded by the National ...
Discovery Could Help Understand Breast-Cancer Therapies
...ncer researchers at the University of Illinoishave identified
four amino acids viewed as leading actors in the b...es therisk of breast cancer in some women. "We've identified
portions of the hormone-binding domain of this proteinthat appear to be critical sites for binding w...
Researchers Identify A New Cellular Structure: The "Dumposome"
...ve garbage disposal for unneeded DNA. The recently identified
cellular component, dubbed a "dumposome," mayprove to be an entirely new organelle. It's introduced in the cover story of the October 4 issue of Cell . "The dumposome surrounds the DNA it's gobbling up, and then spits it out of the nucleus," sa...
Newly Discovered Gene Halts Cell Division and May Have Cancer Link
...sts at Memorial Sloan-Kettering Cancer Center have identified
a human gene that arrests cell division in the lab...s lead author. MAD2 is the first human gene to be identified
that serves as a checkpoint for cells to progress into the final stages of cell division. Until now,...
Researchers Find Genetic Clues To Intestinal Disease
...and sister. Another 32 such pairs of patients were identified
through a multi-center survey. Among the Hopkins patients, the younger of each pair developed Crohn's disease anaverage of about 11 years earlier in life than the older one. Among the multi-center patients, younger members of pairs of Crohn's diseas...
Medicinal Leech May Offer Clues To Neural Regeneration
... to a number of functions, scientists have not yet identified
how NOS operates at a cellular level. "We suspect that NOS plays an important role in the organization of many events, but we have not yet determined how it sends its signals or what specific molecules it targets," Sahley says. "Our goal in this stud...
...ed mole-rats one mark of distinction: Their newly identified
recruitment chirp, issued by the food-bearing scouts on the way to the nest, brings to 18 the total number of different vocalizations. That gives naked mole-rats the largest vocal repertoire of any known rodent....
Two Long-sought Diabetes Gene Found
...oguel, Institute Pasteur de Lille, and others have identified
other diabetes-causing genes. They identified
a specific gene (for the enzyme glucokinase) as MODY2 in 1992. In 1995 they mapped MODY3 to a specif...
Researcher Discovers Key Brain Center For Speech
... intricate movements necessary for speech has been identified
for thefirst time by a UC Davis researcher. In a study of 25 stroke patients, neuropsychologist Nina Dronkers foundthat damage to a region known as the "insula" seems to be a crucialimpediment to the motor control necessary for words and sentences. ...
Fast Measurement Technique Reveals Early Steps In Protein Folding
... recent measurements of apomyoglobin, Gruebele has identified
twodistinct phases in the folding process. In the first phase, which lastsseveral hundred nanoseconds, the amino acids quickly curl into helixes --the fundamental building blocks of proteins. In the second phase, whichtakes three to four microseconds...
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