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Vessel in Biological News

NSF announces funding for Alaska Region Research Vessel

... has announced that the Alaska Region Research vessel will be the first project funded from NSF's ... Recovery and Reinvestment Act. The research vessel is a 242-foot, ice-capable vessel to support scientific research in high-latitude ...

New evidence of how high glucose damages blood vessels could lead to new treatments

... diabetes die from some form of heart or blood vessel disease, according to the American Heart ... that can modify proteins. Inside the blood vessel walls of healthy mice, MCG researchers found ... synthase, so that it makes more of the blood vessel dilator. But add more O-GlcNAc to the mix and it ...

Building the lymphatic drainage system

... and NFATc1. Foxc2 had been implicated in lymph vessel development already, but Norrmn and colleagues ... of Cell Biology . Foxc2 built the lymph vessel valves with the help of NFATc1, which was a known ... can show that Foxc2 and NFATc1 also prompt lymph vessel regeneration in adults, boosting these factors ...

Ambati study published in PNAS

... different established animal models of new blood vessel growth, siRNA killed these cells by activating an ... This was a critical finding, as immune and blood vessel toxicities were not believed to occur with this ... of siRNA suppressed both blood and lymphatic vessel growth via endothelial cell toxicity. Won Gil ...

A missing enzyme conveys major heart protection in pre-clinical work

... someday could result in a therapy for new blood vessel growth that could be a sort of natural bypass in ... step forward in the science of stimulating blood vessel growth around the heart, which many people have ... he said. "A therapy that can increase blood vessel growth in a person with only mild coronary artery ...

Promising 3-year data: Saving limbs with drug-eluting stents

... a balloon angioplasty to open a clogged blood vessel and then places a drug-eluting stent in that ... to a more than 5 times increased risk of vessel reclogging when bare metal stents were used," he added. "Because of the reduced vessel restenosis, repeat angioplasties were necessary ...

Oh baby, interventional radiology makes childbirth safer

... metal coils, are released to block an injured vessel and stop the bleeding. "The women we treated ... taking the mother to surgery to find the bleeding vessel and stop the bleeding. In some cases, surgical ... delivery. A specific type of injury to the blood vessel known as a pseudoaneurysmwhich is a contained ...

Decreasing insulin resistance prevents obesity-related cardiovascular damage

... have less nitric oxide, you start getting blood vessel disease," says Dr. David Fulton, vascular ... Obese humans also show evidence of impaired blood vessel dilation and vascular remodeling. In an effort to ... hemoglobin also can start sticking to blood vessel walls, a problem deletion of PTP1B also seems to ...

Ocean research officials hail completion of modernization for US scientific ocean drilling vessel

... Program today marked the occasion of the research vessel JOIDES Resolution sailing off from Singapore for ... The JOIDES Resolution is the U.S. research vessel for exploring and monitoring the sub-seafloor; it ... it is, for all of us, to have this important vessel back in action." Already a 20-year workhorse ...

Control of blood vessels a possible weapon against obesity

... Scientists now hope to learn how to control blood vessel development in humans in order to combat obesity ... is the first time it's been shown that blood vessel growth affects the metabolic activity of adipose ... but scientists believe by controlling blood vessel development that it might be possible to ...

Coral reefs found growing in cold, deep ocean

... the seabed from the NIOZ oceanographic research vessel 'Pelagia' and brought back to the surface a year ... by using a piston core from the research vessel to take samples of up 4.5 metres of sediment. ... being studied from the American research vessel 'Nancy Foster' by Furu Mienis, her supervisor ...

Where optics meets medicine

... is in constant need of oxygen, and when a blood vessel is blocked during a stroke, part of the brain ... associated with the blockage of a large blood vessel that leads to devastating loss of brain tissue, ... the blood to the eye where it highlights flow and vessel integrity in the small capillaries in the retina. ...

Discovery of natural compounds that could slow blood vessel growth

... 30 known diseases affected by excessive blood vessel growth." To identify short protein fragments peptides that can block blood vessel growth, the team started by looking at 40 known ... by other experts in the field to stop blood vessel growth in animal models of disease. Working under ...

High blood pressure takes big toll on small filtering units of the kidney

... to high pressure actually is for the small vessel to stretch. That stretch prompts smooth muscle cells on the vessel wall to release ATP, a common molecule known as ... kind of event." When he puts ATP on the vessel it rapidly constricts; when he blocks the ATP ...

Normalizing tumor vessels to improve cancer therapy

... sheet, have gaps between them, causing vessel leakiness. "These abnormal features of tumor ... VEGF in abundance; it not only promotes blood vessel growth (angiogenesis), but makes them leaky. ... VEGF action helps reduce leakiness and improves vessel function, the effects have been transient, Ghosh ...

Natural compounds in cocoa tied to blood flow improvements for adults with type 2 diabetes

... have the potential to positively impact the blood vessel dysfunction associated with diabetes, suggests a ... experienced a 30 percent improvement in measured vessel function at the completion of a 30-day trial. Poor blood vessel function is recognized as an early stage in the ...

1/3 of risk for dementia attributable to small vessel disease, autopsy study shows

... demented before death showed evidence of small vessel damage: the type of small, cumulative injury that ... associated with damage to the brain from small vessel disease. Dr. Montine and his colleagues ... and are now studying in more detail, this small vessel damage is the cumulative effect of multiple small ...

Blood vessel protein reverses macular degeneration, diabetic retinopathy in mice

... by drugs that activate a protein found in blood vessel cells, researchers at the University of Utah ... the diseases by inhibiting abnormal blood vessel growth and by stabilizing blood vessels to prevent leakage. Abnormal blood vessel growth and leakage are two primary factors in ...

The Lancet publishes first clinical trial data of a fully bioabsorbable drug eluting stent

... posed by metallic stents in areas such as vessel imaging and vessel remodeling." At 6 months, the overall MACE ... n=30) and late loss, a measure of reduction in vessel lumen diameter after stenting, was 0.44 mm. At ...

High blood pressure in older adults traced to gene's effects in blood vessels

... of the disease. When remodeling occurs, blood vessel walls increase in thickness, decreasing the ... through which blood flows, causing stress on vessel walls, injuring the lining of the vessel walls and making it easier for blockages to ...

UVa biomedical engineering study shows magnetic field can reduce swelling

... blood vessels. Quantitative measurements of blood vessel diameter were taken both before and after ... implying that the magnetic field could induce vessel relaxation in tissues with constrained blood ... as muscles or ligaments. The prior results on vessel constriction led Morris and Skalak to look closer ...

Protein controls blood vessel formation, offers new drug target

... to play a major role in controlling new blood vessel growth, offering a target for drug treatments to ... itself after injury and control unwanted blood vessel growth. In the future, this knowledge may help our ability to control blood vessel growth in disease situations such as wound ...

New treatment for age-related macular degeneration within sight

... reduced or eliminated abnormal blood vessel growth within the eye, which is ultimately why ... leads to total blindness. Abnormal blood vessel growth, also known as angiogenesis, is a hallmark ... as the bodys own natural inhibitor of new blood vessel growth as Judah Folkman of Harvard predicted. ...

ERS-2 data vital for maritime security

... Earth Observation (EO) data with conventional vessel tracking data to deliver an understanding of the ... the Automatic Identification System (AIS) and the vessel Monitoring System (VMS) for tracking fishing ... of verification like, correlation with AIS, vessel Traffic Management Systems (VTS) and VMS, with ...

Study reveals a key to blood vessel growth and possible drug target

... finding will offer important insights into blood vessel formation in humans, says lead author Massimo ... vessels and maintain the integrity of the blood vessel wall during vascular development -- in zebrafish ... irreparably damaged. The integrity of the blood vessel wall is determined by a dynamic balance between ...

EC unveils new EU maritime policy

... forecasting, coastal bathymetry mapping and vessel detection. Because both ERS-1 and ERS-2 ... By integrating the SAR oil slick information with vessel information, it becomes possible to identify ... satellite based surveillance with conventional vessel tracking systems. Routine monitoring of water ...

Scientists launch deep-sea scientific drilling program to study volatile earthquake zone

... gets underway, with the Japanese drilling vessel Chikyu departing from Shingu Port with scientists ... provided by the U.S. scientific ocean drilling vessel and European mission-specific platforms, which ... systems. Sea trials for the custom-built drilling vessel began in 2005 and concluded more than two years ...

JCI table of contents: Aug. 16, 2007

... Eyeing up a role for S1P2R in abnormal blood vessel formation Many millions of individuals ... of blood vessels in the eye. This abnormal blood vessel network forms in response to damage to the retina ... show that under normal conditions, blood vessel development is indistinguishable in wild-type ...

Will IVF work for a particular patient? The answer may be found in her blood

... (the growth of new blood vessels), endothelin signalling (blood vessel constriction), inflammation, oxidative stress (damage to cell structures), vascular endothelial growth factor (signalling processes in blood vessel growth), and pyruvate metabolism (the supply of energy to cells). "All ...

First riser-drilling research operations undertaken

... Approximately 58 km southeast of Shingu City, Japan--Deepsea Drilling vessel CHIKYU has resumed IODP drilling operations in the Nankai Trough ... and deeper drilling. CHIKYU is the world's first scientific drilling vessel capable of riser-drilling deep beneath the ocean floor and in seismogenic ...

A longer lasting tumor blocker

... of drug. Another distinction between the two inhibitors was the type of vessel growth that was blocked. Blocking VEGF prevented dangerous vessels from ... injured tissues heal. Blocking M-CSF, on the other hand, only impeded bad vessel growth. Most likely, the antiM-CSF treatment had a lasting effect ...

Australia, India, New Zealand join integrated ocean drilling program

... The program operates three drilling platforms: Chikyu, a riser-equipped vessel provided by Japan; the JOIDES Resolution, a newly refurbished research vessel provided by the United States; and mission-specific drilling platforms ...

Interventional treatment can be recommended as first-line treatment for 'silent killer'

... of the disease, is caused by a weakened area in the aorta, the main vessel that supplies blood from the heart to the rest of the body. When blood ... advanced to the aneurysm and then opened, creating new walls in the blood vessel through which blood flows. This innovative and noninvasive method of ...

Pulmonary hypertension in children may result from reduced activity of gene regulator

... lung injuries, may help these infants restore a healthy balance of blood vessel dilation and contraction, preventing the remodeling that transforms ... to the lungs than to the body. The shear force this exerts on the blood vessel lining sets in motion the resulting imbalance of contraction, dilation and ...

Researcher seeks to turn stem cells into blood vessels

... just the right molecular signals that will cause stem cells to form blood vessel networks. One of these environmental factors is the amount of oxygen to ... the cells to form the proper three-dimensional shape of living blood vessel networks. "To be able to do that," she said, "we need to understand much ...

New technique images tumor vessel leakiness to predict breast cancer chemotherapy outcome

... the imaging was completed and the leakiness of each individual cancer vessel was quantified, the animals were intravenously injected with a clinically ... characterization. "We want to study the molecular basis for blood vessel leakiness," said Bellamkonda. "We want to understand why there is ...

Statins may treat blood vessel disorder that can lead to fatal strokes

... University of Utah School of Medicine researchers have shown that a blood vessel disorder leading to unpredictable, sometimes fatal, hemorrhagic strokes, ... that increased Rho activity in endothelial cells might lead to the blood vessel defects seen in CCM patients. They tested their hypothesis by ...

Researchers describe protease inhibitor that may aid in diabetic retinopathy treatment

... new opportunities to inhibit plasma kallikrein and reduce retinal blood vessel leakage," said Dr. Feener. "While these results are encouraging, more work ... temporary blindness. In later phases of the disease, continued abnormal vessel growth and the formation of scar tissue may cause serious problems such as ...

Cell movements totally modular, Stanford study shows

... STANFORD, Calif. A study describing how cells within blood vessel walls move en masse overturns an assumption common in the age of genomics ... took close to two more. This discovery, at least in the case of blood vessel cell movement, marks a return to an earlier notion of modules in cell ...

Mechanisms of cardiovascular disease and cancer give clues to new therapies

... axis. The endothelium is the thin layer of cells lining every blood vessel of the body from the smallest capillaries to the largest arteries and even the heart itself. This layer separates the blood from the vessel walls and the smooth muscles whose contractions restrict and control blood ...
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