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Tag: "veins" at biology news

Blood-brain barrier breached by new therapeutic strategy

...siRNA bound to the rabies peptide through the tail veins in one group of mice, while other mice served as control groups. All the mice in the control groups died from JEV infection; in contrast, 80 percent of the mice that got the antiviral siRNA linked to the rabies peptide survived. These experiments dem...

New imaging technique tracks traffic patterns of white blood cells

...d inner workings of white blood cells in the small veins and bone marrow of mice. "Intravital micropscopy (IVM) has contributed enormously to the recent mechanistic advances in leukocyte trafficking," wrote Mount Sinai School of Medicine researchers lead author Elaine Y. Chiang, Andres Hidalgo, Jungshan C...

Researchers show that veins stiffen as we age

...h System in Newark has now confirmed that even our veins stiffen as we age. "When you are young, your veins are nice and elastic--like rubber bands," William Farquhar, a cardiovascular physiologist in UD's Co...

The appearance of your hands can reveal your age, study finds

...ed photographs of female hands ?blemishes and hand veins were removed or jewelry and nail polish were added...ized by thin skin, age spots, wrinkles, deformity, veins and prominent joints ?did not change the participants' ability to distinguish the person's age. ...

Study shows pine bark naturally decreases severe chronic venous insufficiency

...t travel-related DVT. Like varicose veins, spider veins also develop if edema is left untreated. "Chronic venous insufficiency is caused when leg veins cannot pump enough blood back into the heart. When people are not active, blood pools in their leg v...

Researchers offer clues to how leaves patterns are formed

...he mechanism responsible for the initiation of the veins in the leaf with that of formation of the shoot an...roach, the team identified cells within individual veins that transport the hormone auxin in two opposite directions. He also showed for the first time that ...

Natural pine bark extract relieves muscle cramp and pain in athletes and diabetics

...abetic microangiopathy (a disorder of the smallest veins commonly associated with diabetes), or intermittent claudication (a blood vessel disease that causes the legs to easily cramp).This study also used a two-week pre-trial observation period followed by a week of supplementing with Pycnogenol (200 mg pe...

Researchers develop portable 'vein finder' for faster, more accurate injections

...sical conditions often make it difficult to locate veins and administer lifesaving drugs or solutions. In ...ce that uses Doppler ultrasound technology to find veins quickly. "Depth and angle are the critical issues for vessel detection," says project leader Micha...

Rare Tibetan antelope listed as endangered

...ced real-time 3D images of a dog's right pulmonary veins -?sites that are targeted in treating atrial fibrillation. Similar 3D ultrasound devices also hold promise for minimally invasive abdominal and brain surgery applications, Smith said. Collaborators on the study include research and development engi...

3D ultrasound device poised to advance minimally invasive surgery

...ced real-time 3D images of a dog's right pulmonary veins -?sites that are targeted in treating atrial fibrillation. Similar 3D ultrasound devices also hold promise for minimally invasive abdominal and brain surgery applications, Smith said. Collaborators on the study include research and development engi...

University of Delaware researchers develop cancer 'nanobomb'

... generate additional cancerous cells and the small veins that nourish the diseased cells. Also, it can be spread over a wide area to create structural damage to the cancer cells that are close by. The nanobombs are superior to a variety of current treatments because they are powerful, selective, non-inv...

Retinal scans eyed for New Mexico show cattle

... light into the eyeball and records the pattern of veins in the eye." Each retina, whether bovine or human, is unique and a scan is considered one of the most accurate forms of identification, he said. The NMSU evaluations are part of an accelerating effort by the U.S. Department of Agriculture to implem...

Scientists identify genes responsible for 'black rot' disease in vegetables

... through the plants' vascular tissues, turning the veins in their leaves yellow and black, and causing V-shaped lesions along the margins of the leaves. All vegetables in the crucifer family, including broccoli, Brussels sprouts, cabbage, cauliflower, kale, mustard, radish, rutabaga, and turnip, are potent...

Rush Physicians Using Gene Therapy For Heart Patients With Moderate To Severe Chest Pains Who Do Not Benefit From Other Treatments

...ypass surgery requires open-heart surgery to place veins removed from the patient's leg or arteries taken from the patient's chest wall or arm to "bypass" the blocked blood vessels. While both of these treatments have been shown to be successful in relieving severe chest pains resulting from blocked arter...

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