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Tag: "zebrafish" at biology news

Zebrafish may hold key to understanding human nerve cell development

...y scientists at the Universityof Washington."Using zebrafish as a model, we've demonstrated that glial cells pl... formationbetween neurons.Piotrowski's research in zebrafish focuses on the development ofsensory neurons known as hair cells. Like humans, zebrafish use haircel...

Harmful Bacterium Commonly Found in Poultry May Survive Refrigeration and Frozen Storage Combined

...y scientists at the Universityof Washington."Using zebrafish as a model, we've demonstrated that glial cells pl... formationbetween neurons.Piotrowski's research in zebrafish focuses on the development ofsensory neurons known as hair cells. Like humans, zebrafish use haircel...

GenMAPP 2.0 released

...y scientists at the Universityof Washington."Using zebrafish as a model, we've demonstrated that glial cells pl... formationbetween neurons.Piotrowski's research in zebrafish focuses on the development ofsensory neurons known as hair cells. Like humans, zebrafish use haircel...

Glow-in-the-dark zebrafish at UH hold keys to biological clocks

Using genetically altered zebrafish that glow in the dark, University of Houston resea...rture," Cahill said. "We found that these per3-luc zebrafish contain something in their genetic makeup that gets their clocks ticking without parental influence,...

miRNA profiling

...file to date of microRNA (miRNA) expression during zebrafish development. The authors cloned 154 distinct miRNA...all interfering RNAs. Because of the importance of zebrafish as a vertebrate model organism, this analysis provides an important starting point for dissecting of...

Speak up: Louder neurons form more connections

...mple rule took some technical finesse. Hua created zebrafish with a few brain cells that made a protein that prevented them from firing their normal electrical signals. These cells were also engineered to produce a protein that glowed green under the appropriate light. Hua looked for green neurons in her immo...

Confirmation of human protein interaction data by human expression data

...mple rule took some technical finesse. Hua created zebrafish with a few brain cells that made a protein that prevented them from firing their normal electrical signals. These cells were also engineered to produce a protein that glowed green under the appropriate light. Hua looked for green neurons in her immo...

Temperature regulates circadian clock in zebrafish

...tions of as little as 2 oC (35.6 oF) can reset the zebrafish clock, Lahiri et al. show, and precise shifts in temperature trigger significant changes in the expression of specific clock genes. More explicitly, clock genes per4, cry2a, cry3, and clock1 showed rhythmic expression under temperature cycles when a...

Tadpole soon to help in the fight against cancer and lymphedema

...r in the study of the blood vessel system. But the zebrafish also offers little comfort, as it does not have any lymphatic vessels. In the early 20th century studies suggested that tadpoles do have lymphatic vessels. This urged Peter Carmeliet and his research group to examine whether tadpoles can form a suit...

Zebrafish may hold key to improved cancer research

A new study has confirmed that research done with zebrafish may be able to play a critical role in learning ab...dren's Hospital. The research also indicates that zebrafish may be a key to faster, less expensive studies on cancer and carcinogens, as well as a tool to lower...

Junk DNA may not be so junky after all

... The researchers developed a new system that uses zebrafish to test mammalian DNA and identify DNA sequences, ... standpoint, the last common ancestor of human and zebrafish lived more than 300 million years ago. Because DNA sequences in each species have changed over time,...

Infused spleen cells found not to impact islet recovery and reversal of type 1 diabetes in mice

... The researchers developed a new system that uses zebrafish to test mammalian DNA and identify DNA sequences, ... standpoint, the last common ancestor of human and zebrafish lived more than 300 million years ago. Because DNA sequences in each species have changed over time,...

Study fishes out new role for prostaglandins

... these cells to move. Previous studies in mice and zebrafish suggested that prostaglandins were important in de...ey develop outside the mother and are transparent, zebrafish embryos provide a unique model in which to examine prostaglandin's role in development. Yong Cha, a...

Even fish don't swim well when they're young!

... have found what it is that prevents larvae of the zebrafish from reaching top speeds: the larvae cannot maintain their body in a horizontal position while coasting. The research team think this is because larvae don't have the help of an adult swimbladder and have only small, ineffective side-fins. This lack ...

Malignant melanoma cells secrete protein required for embryo formation

...njecting aggressive melanoma cells into developing zebrafish embryos, which were used as "biosensors" for tumor...tage of these similarities by using the developing zebrafish to "detect" tumor-derived chemical signals. In addition, one of the hallmarks of aggressive cancer...

How does a zebrafish grow a new tail?

If a zebrafish loses a chunk of its tail fin, it'll grow back within a week. Like lizards, newts, and frogs, a zebrafish can replace surprisingly complex body parts. A tail fin, for example, has many different types of ce...

A giant among minnows: Giant danio can keep growing

...th, but mostly lose it after birth. Because the zebrafish and giant danio are closely related, and the zebra...ish, in contrast, grows to about two inches. The zebrafish has been a staple of genetic research because it is easy to raise and maintain. But the fish is too ...

U of MN researchers find novel genes critical in organ development

... The scientists studied the roles of genes in the zebrafish secretome. This group of genes makes proteins that...ops. They study genes that are "conserved" between zebrafish and humans. This means the genes exist and have the same function in both zebrafish and humans....

Cellular traffic backups implicated in skeletal malformations

...eart of some craniofacial defects, new research in zebrafish suggests. In the Sept. 17 online issue of Natur...utation that causes severe skeletal deformities in zebrafish by shutting down a critical protein transport pathway. The findings are surprising, said Ela Knap...

A fisheye view of the deadliest breast cancer

...ated to be immune suppressed. In recent years, the zebrafish has vaulted to the top as a laboratory model organism. The zebrafish is tough, easy to breed, and a vertebrate, just like us. Being immune suppressed, the transgenic fis...

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