Tag: "migrate" at medical news

Case study: cross-cultural bioethics training program helps fight African 'brain drain'

Baltimore When African professionals migrate to the United States or Europe, its often called brain drain. In the world of research ethics, at least one training program is causing the opposite effect. Now entering its eighth year of operation, the Johns Hopkins Fogarty African Research Ethics ...

Stanford researchers track human stem cells transplanted into rat brain

...e human stem cells used in this study were able to migrate toward a brain region in rats that mimicked a human stroke. They also found that those cells matured into the types of cells they would expect to find in that part of the brain. The only problem was that in order to find out where the cells ended u...

Scripps Research awarded $17 million for adult stem cell use to treat eye diseases

...he Friedlander group has found that the stem cells migrate to sites of new blood vessel formation, where they can become blood vessel cells ("endothelial" cells) or vessel-associated cells such as microglia. The endothelial cells can incorporate into the forming blood vessels and help to stabilize the growin...

Stem cells provide clues to cancer spread

... cells to investigate how some tumours are able to migrate to other parts of the body, which makes the treatment of cancer much more difficult. Dr Chris Ward, in the Universitys Faculty of Medical and Human Sciences, studied a crucial change that makes cancer cells able to start moving and spread into othe...

Veterans exposed to Agent Orange have higher rates of prostate cancer recurrence

...erris points out that microscopic cancer cells can migrate out of the area before surgery, becoming detectable later when they start pushing PSA levels back up. In fact, following any type of prostate cancer treatment, men routinely get PSA levels checked for the rest of their lives. Without cancer recurre...

Commonly used drug offers promise for premature babies

...xtremely active, churning out new brain cells that migrate and settle into other parts of the brain. "This...rt of the brain, from which neurons and glia cells migrate out to form all the layers of the brain," said Ballabh, an associate professor in the Department of ...

Scientists develop method to track immune system enzyme in live animals

...antigens from viruses, bacteria or allergens, they migrate to germinal centers specialized microenvironments in tonsils, spleen and lymph nodes. Within germinal centers, B cells divide extensively and express the AID enzyme, which causes random mutations and recombination in the cells immunoglobulin (antibo...

Blocking immune cell action increases Alzheimer's-associated protein deposits

...sts suggest that CCR2 is required for microglia to migrate to sites of amyloid deposition but that its absence does not interfere with the cells' activity once they encounter amyloid-beta. "By showing that microglia have a protective role in helping remove amyloid-beta from the brain, our findings suggest ...

Nanoparticles can track cells deep within living organisms

... labeling process. The labeled cells were shown to migrate to and incorporate into blood vessels forming around tumors in mice. The researchers believe the cells could soon be used in clinical settings. "Kathy and colleagues showed that we can scan for these cells at the same MRI field strength we are usi...

UCSD researchers discover internal compass of immune cell

...ternal compass" that neutrophils use to detect and migrate towards chemoattractants, markers of infection and...ernal compass could be used to coax neutrophils to migrate to infected wounds to improve wound healing....

Pioneers in field of functional genomics work toward gene therapy for vision defects

...ly-treated retina to restore vision. For humans to migrate around objects in their world requires that information about objects be transmitted from the retina to the brain, and that the brain recreate an image of the world. Their color vision research has also provided them with unique opportunities to dis...

'Erectile dysfunction' drugs heighten natural anti-cancer activity

...rs, allowing swarms of cancer-attacking T-cells to migrate to tumor sites in the rodents. Lab-grown cancer cells treated with sildenafil showed similar results, as did tissue samples taken from 14 head and neck cancer and multiple myeloma patients. Sildenafil, marketed under the trade name Viagra, is ...

Innovative movies show real-time immune-cell activity within tumors

...inger says. "Early on, the T cells didn't actively migrate through the tissue. This, we found, was because th...e behavior of the activated T cells. They began to migrate actively, searching for any other tumor cells that might remain in the area." In contrast, in the m...

Interaction between lymph and liver cells may affect immune response

...en presenting cells (APCs) before they are able to migrate across the endothelium and interact with organ cells. Recent studies have shown that the liver is an exception in that liver cells may be able to act as APCs, activating T cells independently of the lymph system, a process which makes them less effic...

Study shows six-injection allergy vaccine tames hay fever for at least 2 years

...ssenger that helps immune cells known as basophils migrate to nasal tissues where they cause inflammation. Together, the researchers believe these results hint that AIC is successfully reprogramming the immune system to tolerate the presence of allergen, without over-reacting. "Re-establishing immune toler...

Grasso, Stevens alumni deploy next generation information systems platform

...aper-based, environment and recognized the need to migrate to a digital and paperless one. However, this migration caused concern: During their due diligence of existing vendors, they realized that most vendors had serious deficiencies concerning issues such as data security, portability, scalability, abilit...

Digital surgery with touch feedback could improve medical training

... by the equations of physics. The localized points migrate along with the tip of the virtual instrument, much like a roving swarm of bees. This method enables the program to rapidly perform hundreds of thousands of calculations for real-time touch feedback, making it superior to other approaches, accordin...

Key event in cell death occurs as single, quick event

...e either already on the mitochondrial membranes or migrate to the membranes, where they trigger MOMP. "The slow, continuous release of one of the proteins, apoptosis-inducing factor (AIF), suggests that the pore formed during MOMP remains open for many hours," Green said. "Our finding of nearly simultaneou...

Promising therapy for ALS delivers antisense drug directly to nervous system

...glia, small immune cells in the spinal cord, which migrate through nerve tissue and remove damaged cells and debris. Damage to motor neurons determines timing of disease onset. Microglia the neighborhood, or "helper" cells are then activated to help nourish the motor neurons and clean out debris like a va...

Healing the heart with bone marrow cells

...urned on" c-kit activates the bone marrow cells to migrate to the heart to help stimulate new blood vessel growth. In the study, mice with defective c-kit bone marrow cells, could not mobilize these cells to race towards the injured site and regenerate the injured heart. Their heart function was dramatic...

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(Date:4/15/2014)... CLEVELAND, Ohio (April 16, 2014)A new study from the ... vitamin D levels and menopause symptoms. The study was ... of The North American Menopause Society., The authors analyzed ... and a number of menopause symptoms, including hot flashes, ... women who participated in the calcium and vitamin D ...
(Date:4/15/2014)... in Greenbelt, Md., is home to hundreds of ... Goddard, some of the most cutting-edge Earth science ... that cutting-edge innovation has earned a Goddard scientist ... for Anthropology and Geography awards the Vega Medal ... shown excellence in the fields of physical geography, ...
(Date:4/15/2014)... Missouri researchers have previously shown that a genetic pre-disposition ... In a new study, Frank Booth, a professor in ... potential link between the genetic pre-disposition for high levels ... maturation occurs. , For his study, Booth selectively bred ... extreme laziness. Booth then put the rats in cages ...
Breaking Biology News(10 mins):Low Vitamin D may not be a culprit in menopause symptoms 2Goddard scientist receives Vega Medal from King of Sweden 2Genetic pre-disposition toward exercise and mental development may be linked 2
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