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Research reveals lipids' unexpected role in triggering death of brain cells

The lipid that accumulates in brain cells of individuals with an inherited enzyme disorder also drives the cell death that is a hallmark of the disease, according to new research led by St.

Tips from the journals of the American Society for Microbiology

Genes May Determine Susceptibility to H5N1 Avian Influenza A Virus Infection

New chromosomal abnormality identified in leukemia associated with Down syndrome

Researchers identified a new chromosomal abnormality in acute lymphoblastic leukemia (ALL) that appears to work in concert with another mutation to give rise to cancer. This latest anomaly is particularly common in children with Down syndrome.

Immune cell entry into the pancreatic islets key to understanding type 1 diabetes origins

St. Jude Children's Research Hospital investigators have discovered how destructive immune cells gain access to insulin-producing cells and help cause diabetes.

The finding points to possible new strategies to halt or prevent type I diabetes.

Some brain tumors may be mediated by tiny filament on cells

UCSF scientists have discovered that a tiny filament extending from cells, until recently regarded as a remnant of evolution, may play a role in the most common malignant brain tumor in children.

Scientists link genetic glitches to common childhood cancer

GAINESVILLE -- A multicenter team of childhood cancer researchers has discovered two genetic variations linked to an increased risk for acute lymphoblastic leukemia, or ALL, the most common childhood cancer in the United States.

Inherited risk factors increase odds of developing childhood acute lymphoblastic leukemia

Scientists at St. Jude Children's Research Hospital have identified inherited variations in two genes that account for 37 percent of childhood acute lymphoblastic leukemia (ALL), including a gene that may help predict drug response.

Avian influenza strain primes brain for Parkinson's disease

At least one strain of the H5N1 avian influenza virus leaves survivors at significantly increased risk for Parkinson's disease and possibly other neurological problems later in life, according to new research from St. Jude Children's Research Hospital.

Decoding leukemia patient genome leads scientists to mutations in other patients

Decoding the complete DNA of cancer patients is giving scientists at Washington University School of Medicine in St. Louis a clearer picture of the complexity of the disease and allowing them to see intriguing and unexpected genetic relationships among patients.

Comprehensive look at rare leukemia finds relatively few genetic changes launch disease

The most comprehensive analysis yet of the genome of childhood acute myeloid leukemia (AML) found only a few mistakes in the genetic blueprint, suggesting the cancer arises from just a handful of missteps, according to new findings from St. Jude Children's Research Hospital. The research appears in the July 27 online edition of the Proceedings of the National Academy of Sciences.

Scientists track impact of DNA damage in the developing brain

Switching off a key DNA repair system in the developing nervous system is linked to smaller brain size as well as problems in brain structures vital to movement, memory and emotion, according to new research led by St. Jude Children's Research Hospital scientists.

Pre-chewed food could transmit HIV

(MEMPHIS, Tenn. -- July 21, 2009) Researchers have uncovered the first cases in which HIV almost certainly was transmitted from mothers or other caregivers to children through pre-chewed food. The source of HIV in the pre-chewed food was most likely the infected blood in the saliva of the people who pre-chewed the food before giving it to the children.

St. Jude scientists discover a new mechanism controlling neuronal migration

The molecular machinery that helps brain cells migrate to their correct place in the developing brain has been identified by scientists at St. Jude Children's Research Hospital. The finding offers new insight into the forces that drive brain organization in developing fetuses and children during their first years.

Context is key: Differential PI3K signaling and consequences for targeted therapy

In the July 15th issue of G&D, Dr. Suzanne Baker (St. Jude Children's Research Hospital) and colleagues report on their surprising discovery of cell-type specificity of PI3K signaling in the mammalian brain.

Small evolutionary shifts make big impacts -- like developing night vision

In the developing fetus, cell growth follows a very specific schedule. In the eye's retina, for example, cones ? which help distinguish color during the day ? develop before the more light-sensitive rods ? which are needed for night vision.



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