Tag: "cells" at biology news
American Chemical Society's Weekly PressPac -- Aug. 8, 2007
...d accumulation of the protein film and adhesion of cells
responsible for formation of secondary cataracts. ...of whether these nanomaterials are toxic to living cells
or organisms has not been fully answered, the researchers explain. The scientists used laboratory ...
NIH gives $8M to University of Pittsburgh School of Medicine for myositis research
...ptoms of myositis are related to the presence of B cells
in the blood and rituximab is being given to reduce the number of blood B cells. This drug has been used in other research studies in patients with other rheumatologic and autoimmune diseases. ...
Beyond batteries: Storing power in a sheet of paper
...the device is made up of cellulose, the same plant cells
used in newsprint, loose leaf, lunch bags, and nearly every other type of paper. Rensselaer researchers infused this paper with aligned carbon nanotubes, which give the device its black color. The nanotubes act as electrodes and allow the storage d...
Unravelling new complexity in the genome
...ent of thousands of alternative splicing events in cells
and tissues. Until recently researchers studied splicing regulation on a gene by gene basis. Now we can obtain a picture of what is happening on a global scale, which provides a fascinating new perspective on how genes are regulated, Blencowe explain...
Diverse genetic abnormalities lead to NF-κB activation in multiple myeloma
... underlie aberrant NF-κB activity in MM tumor cells
and underscores the relevance of the NF-κB si...dy results in the accumulation of malignant plasma cells
beyond the physiological control of the bone marrow compartment. Our results suggest a mechanism by ...
Invasion of the brain tumors
...ised mice with human gliomas and compared invasive cells
(which left the primary tumor site) to noninvasive cells
(which remained at the site of injection) in order to understand the molecular mechanisms underlying...
Bursts of waves drive immune system 'soldiers' toward invaders
...t torrents of microscopic waves propel white blood cells
toward invading microbes. The discovery - recorded... a second key player were already known to trigger cells
to move, but their interaction to generate the self-sustaining waves has now been revealed. "See...
Protein 'chatter' linked to cancer activation
...er explains that lack of this cross talk in normal cells
promotes short chromosome ends and as a result pro... cancer formation. A key difference between cancer cells
and normal cells
is that the former maintain their chromosome ends and have the unlimited potential ...
Newly created cancer stem cells could aid breast cancer research
... plays a specific role, and just a fraction of the cells
serve as queens, possessing the unique ability to ... an unspecialized state and seed new tumors. These cells
can also divide and produce the worker cells
that form the bulk of the tumor. These queens are ca...
Doernbecher Children's Hospital scientist earns coveted Javits award
...velopment, thereis a critical time period when the cells
(oligos or oligodendrocyteprogenitors) required to make myelin are easily killed by low blood flowto the brain. The loss of these oligo-cells results in failure to makethe myelin required for normal brain function. Progress in preventing this brain...
Gene regulation, not just genes, is what sets humans apart
...himps, Haygood said. While the biochemistry that cells
use to turn food into energy is essentially the same across most animal species, the fine-tuning of how an organism deals with the different sorts of sugars and complex carbohydrates in its diet lies in the regulatory sequences, Wray said. Chimps ...
MIT creates 3-D images of living cell
...the first time the functional activities of living cells
can be studied in their native state. Using the ...new technique is that it can be used to study live cells
without any preparation, said Kamran Badizadegan, principal research scientist in the Spectroscopy L...
High blood pressure, low energy -- a recipe for heart failure
...nd pharmacology. ERR alpha sits in the nucleus of cells
and senses how much energy is needed. When a heart...brous connective tissue accumulated and some heart cells
died. They also saw that the hearts had depleted fuel reserves. Kelly indicates that these studies ...
New, more direct pathways from outside the cell-to-cell nuclei discovered
... by Gavin about 10 years ago while simply watching cells
through a microscope. "I am a patient and constant...e area outside of the cell. They then observed the cells
phagocytose (eat) the beads, which gradually moved to the nucleus. The arrival of the phagosomes and...
Abnormal fat metabolism underlies heart problems in diabetic patients
...ory mice with diabetes. They have found that heart cells
of diabetic mice lose an important lipid from cell...ailure. These children have mutations that prevent cells
from producing enough cardiolipin. The connection between cardiolipin and heart disease in Barth syn...
ESF EURYI award winner aims to stop cancer cells reading their own DNA
...wards a new generation of drugs that target cancer cells
much more specifically than traditional chemothera...encoded correctly in the daughter cell. In healthy cells
it is important that this process works normally, but in cancer cells
it is a natural target for dis...
OHSU turns mouse into factory for human liver cells
...how to turn a mouse into a factory for human liver cells
that can be used to test how pharmaceuticals are m... toxicity." The worldwide market for human liver cells
the pharmaceutical industry uses for testing candidate drug compounds is estimated at $2 billion a y...
A study by the MUHC and McGill University opens a new door to understanding cancer
...s smaller than a millionth of a millimetre! In a cells
interior, the function of the ubiquitin molecule i... which results in an unrestrained proliferation of cells
that can become a cancer. In the long term, this may serve as a basis for us to find ways to inte...
New study suggests Concord grape juice may provide protection against breast cancer
...Concord grape juice protected healthy human breast cells
from DNA damage. Healthy human breast cells
were exposed in a test tube to an environmental carcinogen, benzo(a)pyrene, that is able to initiate...
Research shows skeleton to be endocrine organ
...he August 10 issue of Cell, demonstrates that bone cells
release a hormone called osteocalcin, which contro...dition to boosting the number of insulin-producing cells
and reducing stores of fat. In this published research, authors show that an increase in osteoca...
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