Childhood brain tumor traced to normal stem cells gone bad
BOSTON--An aggressive childhood brain tumor known as medulloblastoma originates in normal brain "stem" cells that turn malignant when acted on by a known mutant, cancer-causing oncogene, say researchers from Dana-Farber Cancer Institute and the University of California, San Francisco (UCSF).
Childhood Asthma, Allergies Traced to Womb
New research suggests birth order, method of delivery all play a part
WEDNESDAY, May 21 (HealthDay News) -- At least some of the biological risk for childhood asthma and allergies traces back to the womb, new research suggests.
Both the order of birth and even the way a baby is deli...
Blood-Thinner Contaminant Traced to Chinese Plant
As a result, FDA to require testing of all imported heparin
FRIDAY, March 14 (HealthDay News) -- The contaminant found in the blood-thinner heparin, which has been linked to hundreds of allergic reactions and possibly 19 deaths in the United States, has been traced
to a Chinese plant ...
Some cases of autism may be traced to the immune system of mothers during pregnancy
(SACRAMENTO, Calif.) New research from the UC Davis M.I.N.D. Institute and Center for Childrens Environmental Health has found that antibodies in the blood of mothers of children with autism bind to fetal brain cells, potentially interrupting healthy brain development. The study authors also foun...
Colon cancer risk in US traced to common ancester
Salt Lake City A married couple who sailed from England to America around 1630 may be the ancestors of hundreds of people alive today who are at risk for a hereditary form of colon cancer.
Researchers from Huntsman Cancer Institute (HCI) at The University of Utah have discovered a founder mut...
Salmonella Outbreak Traced to Banquet and Store Brand Frozen Pot Pies
HARRISBURG, Pa., Oct. 10 /PRNewswire-USNewswire/ -- The Pennsylvania
Department of Health today is emphasizing the Centers for Disease Control
and Prevention's (CDC) advisory for consumers not to eat Banquet brand and
store brand frozen, not-ready-to-eat pot pie products due to possible
Spinach Contamination Traced to Wild Boar
Wild boar has been linked to the E. coli outbreak in September that sickened 204 people in 26 states and one Canadian //province, and left three people dead.
In addition health authorities announced at a Thursday night press conference, nine samples of the bacteria found on one ranch in Californ...
Loss of Functions Traced in Alzheimer's disease
A recent study has traced
the loss of functions in Alzheimer's patients and found that after memory loss sets in through mild cognitive impairment, executive ability// is the next to go.
The study was performed by researchers at the Mayo Clinic. The results of the study presented in the confere...
Origin of HIV Traced To Wild Chimps
According to the study conducted by an international team of researchers it was found that HIV in wild chimpanzees in southern Cameroon. The researchers analyzed the feces sample collected// from the chimpanzee found from forest floors in Africa. They collected 599 fecal samples from 10 forest site...
Rare Bone Disease Traced To Faulty FOP Gene
The mystery surrounding a rare bone disease called fibrodysplasia ossificans progressiva (FOP) has been resolved following the identification of a mutant gene// linked to the disease. It is this gene that triggers the formation of a second skeleton, making movement impossible. Nearly 2500 individua...
traced in Medical Technology
Ancestry.com DNA Testing Reveals 'Roots' Author's Scottish Ancestry
...ved and worked on an Alabama slave plantation. This scientific finding adds weight to research conducted by Mr. Haley's uncle, Alex Haley, in which he traced
his ancestry back to Baugh (variation of Baff) - an overseer of an Alabama slave plantation - who was thought to have fathered Mr. Haley's great-grand...
Parasites That Live Inside Cells Use Loophole to Thwart Immune System
that these microbes did trigger arginase production and that this
triggering suppressed nitric oxide production in macrophages. The
researchers also traced
the biochemical mechanism by which the organisms
triggered arginase--finding that the microbes hijack the machinery by which
the macrophages recognize...
Just in Time for Winter, a New Berry That's Good for Your Health
...ense to fight the many types of viruses that will be trying to invade it
during the winter months and beyond."
The benefits of the elderberry can be traced
back to prehistoric times.
Evidence of this use has been seen in Stone Age villages located at sites
in Italy and Switzerland; recipes were also disco...
traced in Medical Definition
Canadian Health Libraries Association
... health sciences librarians to governments, the health community and fellow librarians.
The genesis of the CHLA/ABSC can be traced
to the Annual Meeting of the Medical Library Association which was held in Cleveland, Ohio, in 1975. The Canadian Group of the MLA met there (it was...
... 6 Notes
7 See also
8 External links
The histories of both experimental and medical pathology can be traced
to the earliest application of the scientific method to the field of medicine , a development which occurred in Western Europe during the Italia...
traced in Medical Dictionary
...seen in those who abuse ... Thiamin ( thiamine ), vitamin B1 ... Thiamin (also spelled " thiamine ") is a water-soluble B-complex vitamin, ... traced
to thiamine deficiency related to ... Thiamine . deficiency. and its prevention and. control in major ... Strategies to prevent thiamine ...
... at Encyclopedia.com. ... tetany , condition of mineral imbalance in the body that results in severe muscle spasms. ... Grass tetany can be traced
to low blood levels of magnesium. ... Grass tetany is more common on grass pasture than legumes, as the legumes tend ... Grass Tetany in B...
...acenta Previa ... How the Fastest Growing Pregnancy Complications Are Closely Related ... Nearly 70% of all pregnancy complications can be traced
to both morbid obesity and diabetes. ... Pregnancy Complication ... Unfortunately, pregnancy complications still do occur. ... Maternal ...
...roaches that were ... Naturopathy is a holistic system, meaning that naturopathic doctors (N.D.s) or ... The modern form of naturopathy can be traced
to 18th- and 19th-century ... Naturopathy is fond of such terms as "balance" and "harmony" and "energy. ... A Close look at Naturopathy by Wil...
...sun protection in your Melasma regimen " ... Brown skin is Diverse, Unique and Beautiful. Our Diverse backgrounds from across the globe can be traced
back to one woman and man in Africa. Our unique skin, hair ... Disorders of skin pigmentation can be cosmetically disfiguring and embarrassing...
...Internet ( ) n. An interconnected system of networks that connects computers around the world via the TCP/IP ... The origins of the Internet can be traced
to ... Download Internet Explorer 8 , the latest version of Microsoft's new, improved, and free web browser. ... of Windows 7, which includes I...
...d 15 years old. ... Overview: Histiocytosis encompasses a group of diverse disorders with the common ... Each category of histiocytosis can be traced
to reactive or neoplastic ... Histiocytosis ... Histiocytosis is a general name for a group of syndromes that involve an ... Histiocytosis X...
...t and fastest procedures used to ... Changes in an EKG from the normal tracing can ... electrocardiogram ( ) n. ( Abbr. EKG or ECG ) The curve traced
by an electrocardiograph. ... Why is an electrocardiogram called an EKG ? Read answer... How to Read an EKG Strip. Components of the EKG Wave...
...rt conditions such as agnina, occurance of a prior heart attack or of an evolving ... electrocardiogram ( ) n. ( Abbr. EKG or ECG ) The curve traced
by an electrocardiograph. ... The ECG ' (or sometimes still EKG' in the US, from the German ... What is an electrocardiogram (EKG / ECG )? An EK...
...ternary Cleaner Disinfectant ... The use of vinegar as a disinfectant is widespread. ... The regular use of vinegar as a disinfectant can be traced
at least as far back ... Definition of disinfectant from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the...
traced in Biological News
Form of Crohn's disease traced to disabled gut cells
St. Louis, Oct. 5, 2008 Scientists report online this week in Nature that they have linked the health of specialized gut immune cells to a gene associated with Crohn's disease, an often debilitating and increasingly prevalent inflammatory bowel disorder.
The link to immune cells intrigued re...
Obesity predisposition traced to the brain's reward system
BOSTON (July 29, 2008) The tendency toward obesity is directly related to the brain system that is involved in food reward and addictive behaviors, according to a new study. Researchers at Tufts University School of Medicine (TUSM) and colleagues have demonstrated a link between a predisposition ...
High blood pressure in older adults traced to gene's effects in blood vessels
COLUMBUS, Ohio Scientists have identified the gene that sets off a sequence of events in the blood vessels of otherwise healthy adults that can lead to high blood pressure. The disease process eventually makes conditions in vessels ripe for the creation of blockages that can cause heart attacks, ...
Effects of social isolation traced to brain hormone
The anxiety and aggression that result from social isolation have been traced
to altered levels of an enzyme that controls production of a brain hormone.
The study, done in mice by researchers at the University of Illinois at Chicago College of Medicine, is reported in this week's online additi...
Critical step traced in anthrax infection
Scientists at Harvard Medical School (HMS) have revealed details of a key step in the entry of anthrax toxin into human cells. The work, which grew out of an ongoing effort to produce a better anthrax therapeutic, shows that the protective antigen component of the bacterial toxin plays an active ro...
Scientists link immune system's natural killer cells to infant liver disease
...pleting NK cells at the time biliary atresia is diagnosed," he added.
Very little is known about the cause of biliary atresia, although it has been traced
to the immune system responding to an infection in the liver and bile ducts. Surface tissues inside the bile ducts are damaged, which in turn allows i...
Life on Earth came from other planets
preadapted for traveling through space and they inherited these abilities from the microbes which first took root on Earth and whose ancestry can be traced
back to the solar
system of the parent star.
Because the parent star lost 40 percent to 80 percent of its mass after it became a red giant (blow...
Chasing tiny vehicles
...d works by tagging individual particles with a dye that acts like a "molecular lamp" to light up the particle's path into the cell.
"Thus, we have traced
magnetic lipoplex nanoparticles and made movies of their transport," reports Anna Sauer, first author of the study. "We were able to watch the particl...
The faster they come
...ydney is trying to find the answer to this question by studying the interactions between male mosquitofish to see if their behavioural strategy can be traced
down to their physical skills.
When the speed of escape in response to an attack was measured, the researchers found that subordinate fish were sig...
UCLA cancer researchers develop model that may help identify cancer stem cells
...e to isolate leukemia stem cells as well as brain and breast cancer stem cells. Many scientists believe that most, if not all, cancers will one day be traced
back to these stem cells.
Only a small percentage of cells in a tumor are cancer stem cells, making them hard to find and even more difficult to ta...
traced in Biological Technology
Lets Use Science to Corral Mad Cow Disease and the Public Stampede
...t birth on a tag placed in the animals ear. Similar to a Social Security number, it stays with the animal for its lifetime and allows the animal to be traced
from farm to farm.
At Wayside Dairy near Reedsville, Wis., Dave Natzke and his family manage one of the first dairies in the nation to participate ...
Choice of next UW president comes down to matching skills with the challenge
...egislature and working with the states delegation in Congress will also be important, as some of the UW Systems budget troubles in recent years can be traced
to a lack of political consensus that money was being spent wisely.
The job of UW System president is tough and will get tougher. The Regents must ...
The birth of biotech: San Francisco, Boston, Geneva or Chicago?
... $9.5 billion.
Origins of Biotech
When did the biotech industry begin and what were the major catalysts? Though some say biotech activities can be traced
back several hundred years, lets stay with modern times. According to Bio.org, some of the seminal events creating the industry were:
1953: A publi...
Wisconsin company with SARS diagnostic role lands $13 million investment
...etermined that a single isolated case was not a mutation, but a known strain, she said. Thus, a SARS mutation scare was averted, and the infection was traced
to bad lab practices, she said.
The gene chips work by allowing scientists to compare spots of DNA to a sample. If theres a perfect match, scientis...
New UW master's program ramps up to fill demand for biotech skills
...ple trying to develop biotechnology cannot replicate," said Kurt Zimmerman, the associate director of the program.
The program's character can be traced
to the establishment of the Wisconsin Alumni Research Foundation, WARF , an institution started in 1925 to ensure that research at the university wou...
Efforts to avoid friendly fire spawned ancestor of todays RFID
... itself. Not unlike other technologies, RFID technology has military roots.
Military need spawned development
What is now known as RFID can be traced
to the British military launch of IFF in 1939. IFF was an answer to a problem posed by the advances of radar systems; before radar systems were in use...
RFID medical devices - Opportunities and challenges
...ation (RFID) technology as critical for the long-term safety and integrity of the U.S. drug supply. RFID allows pharmaceutical packages to be tracked, traced
and authenticated throughout the chain of distribution from manufacturer to pharmacy.
The FDA also is evaluating RFID as part of an initiative t...
DNASTAR catches second wave of sequencing
... Madison, Wis. - The origins of Madison's technology industry can be traced
back much farther than 1982, but Fred Blattner felt pretty isolated when he opened DNASTAR, Inc . that year.
Other than another young company - an...
Exploiting the Life Science Data Explosion to Speed New Drug Discovery
Several issues arise when creating an integrated view across public and private sources. To avoid potentially unsafe traffic being traced
between two sensitive points on the internet, some organizations choose to collect a large data set from various sources, in a manner which makes it a...
traced in Biological Definition
...ction of particular antibodies is a very common form of medical diagnostics. Serology depends on these menthods. Autoimmune disorders can often be traced
to antibodies that bind the body's own epitopes; many can be detected through blood tests .
"Designed" monoclonal antibody therapy is already bei...
... team led by John Sulston succeeded in tracing the nematode C. elegan's entire embryonic cell lineage. In other words, Sulston and his team had traced
where each and every cell in the roundworm's embryo came from during the division process, and where they ended up.
H. Robert Horvitz arrived fr...
... those adjacent to each other on the alternate side of the sheet are polar or charged (hydrophilic).
Some sequences involved in a β sheet, when traced
along the backbone, take a hairpin turn in orientation (direction), sometimes through one or more prolines .
See also : tertiary structure ...
...Building of cellular clusters ( foci ).
Loss of contact inhibition .
Low or no need for growth factors .
Items 2-4 (above) can sometimes be traced
to mutations in genes that result in a disruption of cell adhesion . Some cell adhesion proteins are tumor suppressor genes .
...dden animals". Huevelmans' monumental 1955 book, On The Track of Unknown Animals is often seen as the disipline's genesis, but Huevelmans himself traced
the scholarly origins of the discipline to Anthonid Cornelis Oudemans and his 1892 study, The Great Sea Serpent .
Huevelmans argued that cry...
...factors (e.g. exposure to a causative agent). There is a genetic element in the susceptibility of individuals to some of these triggers which has been traced
to particular HLA genotypes (i.e. genetic "self" identifiers used by the immune system). However, even in those who have inherited the susceptibi...
2 Systems for digital organisms research
3 External links
4 Further reading
Digital organisms can be traced
back to the game Core War , in which computer programs had to compete with each other and try to stop the opponent from executing . It turned out t...
... the subsequent emergence of an oxygen-rich, non-reducing atmosphere can be traced
through the formation of banded iron deposits, and later red beds of iron...d agreement on how traits were inherited. Today most inherited traits are traced
to discrete, persistent entities called genes , encoded in linear molecu...
Main article: history of genetics
It was not until 1865 that Gregor Mendel first traced
inheritance patterns of certain traits in pea plants and showed that they obeyed simple statistical rules. Although not all features show these patter...
...ology and medicine . It studies the relationship between the body systems, pathogens and immunity. The earliest written mention of immunity can be traced
back to the plague of Athens in 430 BC . Thucydides noted that people who had recovered from a previous bout of the disease could nurse the s...
traced in Biological Dictionary
... Some eukaryotic viruses... In geometry, a centered trochoid is the roulette formed by a circle rolling along another circle . That is, the path traced
by a point attached to a circle as the circle rolls without slipping along a fixed circle . The term encompasses both epitrochoid and hypotrochoi...
...primitive streak a faint white trace at the caudal end of the ... Developmental fates of cells emigrating from the primitive streak were traced
by a ... So far no fate map for quail primitive streak has ... Yahoo! Shopping is the best place to comparison shop for Primitive Streak - ...
...vorship. Similar interactions within a species are known as co-operation. It can be... Mutualism is an anarchist school of thought which can be traced
to the writings of Pierre-Joseph Proudhon, who envisioned a society where each person might possess a means of production, either individually or coll...
...ctional ... This suggests that the intercalated disc was saturated with cadherin protein in ... Stacked images of intercalated discs were traced
with IPLab ... Immunoblotting of intercalated disc -associated proteins in ... intercalated disc ... The nexus in the intercalated disc...
... of the infundibulum can predict clinical course in ... ... and usually divides into two branches near the infundibulum of the gallbladder. ... traced
to its division near the infundibulum /cystic duct junction. ... ... divided into an anterior infundibulum , middle ... infundibulum (or "tub...