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Swelling in Biological News

New technique can fast-track better ionic liquids for biomass pre-treatments

... of pre-treating biomass, we observed a rapid swelling of the secondary plant cell walls within three ... for this research. "We attributed the swelling to disruption of inter- and intra-molecular ... bonding between cellulose fibrils and lignin. The swelling was followed by complete dissolution of biomass. ...

New trigger for chronic inflammation in rheumatoid arthritis discovered

... 1 in 100 people. It causes painful and persistent swelling in the joints that can result in damage to the ... that could produce tenascin-C had severe joint swelling with bone and cartilage destruction, but the mice that could not produce tenascin-C had no swelling or tissue destruction at all. In a subsequent ...

UVa biomedical engineering study shows magnetic field can reduce swelling

... strength can result in significant reduction of swelling when applied immediately after an inflammatory ... indicate that magnets can significantly reduce swelling if applied immediately after tissue trauma. ... of blood vessels is often a major cause of swelling at sites of trauma to soft tissues such as ...

Chemical found in medical devices impairs heart function

... to loss of taste and memory, coronary bypass patients often complain of swelling and fatigue. These side effects usually resolve within a few months after ... exposure. Finally, the team observed increased fluid retention and swelling in the rats after cyclohexanone injections. According to ...

UC Davis research shows that newly discovered drug reduces heart enlargement

... Department of Entomology, showed that the new class of drugs reduces heart swelling in rat models with heart failure. "This holds promise to treat heart ... drug made by Paul Jones, a former postgraduate researcher at UC Davis. The swelling and ultimate failure of the heart is blocked and reversed, Hammock said. ...

Researchers describe protease inhibitor that may aid in diabetic retinopathy treatment

... complication of diabetes. It is a progressive disease that causes retinal swelling and destroys small blood vessels in the retina, eventually leading to ... can cause permanent blindness. Diabetic macular edema, which involves swelling in the retina that transiently or permanently impairs vision, can occur at ...

Pain is in the eyes of the beholder

... hand, researchers have found they could increase or decrease the pain and swelling in patients moving their symptomatic limbs. The findingsreported in the ... seen through inverted binoculars that minimized its size. The degree of swelling too was less when people watched a "minified" image of their arm during ...

Key to out-of-control immune response in lung injury found

... white blood cells and destroy bacteria, but also lead to fever, swelling and other symptoms of shock and can wreak havoc on the patient in the ... from the Cblb-deficient mice than in normal mice. NF-kB is known to induce swelling of tissues. "There are already early-stage drug trials of treatments ...

Scientists discover new genetic immune disorder in children

... of the interleukin-1 receptor antagonist). Children with the disorder display a constellation of serious and potentially fatal symptoms that include swelling of bone tissue; bone pain and deformity; inflammation of the periosteum (a layer of connective tissue around bone); and a rash that can span from ...

DNA barcoding of mosquito species deployed in bid to end elephantiasis

... Symptoms often appear years after infection. The disease can permanently damage the lymph system and kidneys, which results in fluid collecting and swelling in the arms, breasts, legs, and, for men, the genital area. The disease also makes it difficult for the body to fight germs and infections. Poor ...

Multiple route bone marrow stem cell injections show promise to treat spinal cord injury

... is attenuated, he explained. The disruption of blood flow leads to spinal cord infarction, the disruption of the blood-spinal cord injury barrier, swelling and the release of molecules influencing spinal cord perfusion and ischemia, a restriction in blood supply. "BMCs are well known for their ability ...

Childhood chicken pox could affect oral health years later

... D to their diet, exercise and weight train, quit smoking and decrease caffeine and alcohol intake. Symptoms of osteonecrosis: Pain, swelling or infection of the gums Loosening of teeth Poor healing of the gums Numbness or the feeling of heaviness in the jaw ...

Researchers may have found why women have an edge on salt-sensitive hypertension

... for gender studies on how these endothelin A, or ETA, receptors work in the blood vessels and tubules of the kidney. They also may help explain the swelling that occurs in some patients taking powerful new ETA antagonists, which are in use for pulmonary hypertension and under study for conditions such as ...

Gene therapy demonstrates benefit in patients with rheumatoid arthritis

... that tissues removed from the subject's joint tissue synthesized lower amounts of disease-related proteins, confirming that the reduction in pain and swelling resulted from the actions of the implanted gene. "Existing treatments for rheumatoid arthritis are costly and need to be administered regularly," ...

Mitochondria could be a target for therapeutic strategy for Alzheimer's disease patients

... disease. The cortical mitochondria isolated from Alzheimer's disease mice lacking CypD are resistant to Aβ- and Ca2+-induced mitochondria swelling and permeability transition, increase calcium buffering capacity, and attenuate generation of mitochondrial ROS. Furthermore, CypD-deficient neurons ...

Better understanding of blood vessel constrictor needed to harness its power for patients

... worked well," she says. But in clinical trials they failed badly; a drug for heart failure actually worsened problems such as labored breathing and swelling in patients already having difficulty moving blood through their body. The first antagonists blocked both known receptors: a and b; the next ...

Scientists identify the genes that cause blindness produced by corneal edema

... cell barrier of corneal endothelium. When the endothelial cell barrier is unharmed, the cornea remains dehydrated and transparent. An oedema is a swelling caused by the accumulation of liquid in the tissues of the human body, including cornea. The researchers of Granada have proved that the alteration ...

Prosthetic vein valve designed to direct blood flow shows promising pre-clinical results

... Tech. "However, sometimes a vein valve dissolves away after a blood clot. The loss of the valve leaflets allows blood to flow the wrong way, causing swelling in the legs and ankles." Ku is leading a research team that has developed a prosthetic vein valve to replace damaged, non-functioning valves. ...

Pivotal national trial uses newest interventional radiology treatment to bust blood clots in legs

... blood clot continues to block the vein and permanently damages its one-way valves, resulting in the pooling of blood in the leg, chronic leg pain, swelling and fatigue and sometimes skin ulcers. It's logical that immediate clot removal will prevent PTS," said Vedantham. The ATTRACT trialthe first ...

Common treatment to delay labor decreases preterm infants' risk for cerebral palsy

... biologic plausibility, because magnesium stabilizes blood vessels, protects against damage from oxygen depletion, and protects against injury from swelling and inflammation, all of which threaten the vulnerable preterm brain," Rouse said. "Our study is the largest, most comprehensive effort to evaluate ...

Pre-eclampsia may be autoimmune disease

... typically occurs in the last trimester of pregnancy and is characterized by a sudden increase in blood pressure, excess protein in the urine and swelling of the hands, feet and face. It affects about one in 20 pregnancies and the only cure is delivery of the baby. Pre-eclampsia contributes to 15 ...

Early cessation of breastfeeding by HIV+ women in poor countries and child survival

... findings, the researchers theorize that the chances of transmitting the virus may actually increase as a result of the weaning process. The breast swelling and infection (mastitis) that occurs when breast-feeding is sharply reduced may increase the likelihood that the virus will be transmitted in the few ...

CAPHOSOL relieves oral mucositis and improves quality-of-life in cancer patients

... cancer. Oral mucositis usually manifests itself within seven to 14 days after initiation of therapy. Initial signs and symptoms include redness, swelling and ulceration of the mucosa. Oral mucositis can cause mouth pain, xerostomia (dryness of the mouth or throat), difficulty eating and drinking, as ...

Ancient protein offers clues to killer condition

... dont know as much about it as we need to know. In humans, any changes in the composition of myosin within the muscles can be fatal. For example, a swelling in the walls of an artery can cause a brain aneurism, while an enlarged heart can lead to cardiac arrest in a young, fit person. Says Professor ...

MIT-led teams unravel heparin death mystery

... More than 100 patients have experienced adverse reactions after receiving the tainted heparin. Symptoms include extremely low blood pressure, swelling of the skin and mucus membranes, shortness of breath, and abdominal pain. The researchers found that the contaminant activates two inflammatory ...

Research identifies first method for testing, assessing drug treatments for Chagas' disease

... contaminated blood transfusions and by eating food contaminated with parasites. In its first stages, the disease often causes no more than a local swelling at the point of the bite. This acute phase often passes, but the malady, if untreated, can then enter a chronic phase that can last for decades and ...

MBL develops infrastructure and portal for Encyclopedia of Life

... say the EOL could, for example, help map vectors of human disease, reveal mysteries behind longevity, suggest substitute plant pollinators for a swelling list of places where honeybees no longer provide that service, and foster strategies to slow the spread of invasive species. Most importantly, the ...

New approach for attacking lupus identified

... skin, joints, heart, lungs, blood, kidneys and brain. Inflammation, considered the primary feature of lupus, is characterized by pain, heat, redness, swelling and loss of function. In most people, the disease affects only a few organs and symptoms are mild, but in others, the disease can cause serious and ...

An Alzheimer's vaccine?

... its success has been limited. In 2002, for example, the pharmaceutical company Elan halted trials of a different vaccine after 15 patients suffered swelling of the central nervous system. OMRF President Stephen Prescott, M.D., is hopeful that Tangs work will avoid the pitfalls that beset Elans vaccine. ...

Amid spiralling government interest, world's top 350 DNA barcode scientists meet in Taipei

... Sept. 18-20; see: www.dnabarcodes2007.org), experts will assess progress and global priorities, share latest insights and techniques among the swelling ranks of interested scientists and officials, and air views on a host of questions swirling around the new scientific field. Says conference ...

Amid spiralling government interest, world's top 350 DNA barcode scientists meet in Taipei

... Sept. 18-20; see: www.dnabarcodes2007.org), experts will assess progress and global priorities, share latest insights and techniques among the swelling ranks of interested scientists and officials, and air views on a host of questions swirling around the new scientific field. Says conference ...

Low vitamin D during pregnancy linked to pre-eclampsia

... this week in the Journal of Clinical Endocrinology and Metabolism. A serious complication of pregnancy marked by soaring blood pressure and swelling of the hands and feet, preeclampsia is the leading cause of premature delivery and maternal and fetal illness and death worldwide, conservatively ...

Neural stem cell study reveals mechanism that may play role in cancer

... The neurons start out with a branched leading process. Then one of the processes is stabilized and the neuron translocates its body into a swelling that forms in the stabilized leading process. When the levels of the gap junction protein are reduced, however, the neurons are no longer able to ...

Bleeding, not inflammation, is major cause of early lung infection death

... and first author on the paper. The medical establishment had for years believed that the breathing difficulty was brought on by inflammation: the swelling and fluid build-up caused as immune system proteins rushed to the lungs to fight the infection. A medical mystery emerged, however, when our studies ...

New way of tracking muscle damage from radiation

... called quantitative T2 to determine the extent of swelling in tissues before, during and after radiation ... in T2 measurements may indicate an increase in swelling following radiation therapy, which is evidence of ... the early changes they see in muscle, such as swelling and leakage, might help them predict how much ...

Study shows pine bark naturally decreases severe chronic venous insufficiency

... calves, skin alterations, pain during walking and swelling limbs than Daflon®, a combination of diosmin and ... due to CVI. If left untreated, leg and ankle swelling can lead to dangerous conditions such as deep ... patients supplemented with 1000 mg. Ankle swelling was measured before 10 a.m. to avoid ...

Neuronal 'traffic jam' marks early Alzheimer's disease

... by a "traffic jam" within neurons that causes swelling and prevents proper transport of proteins and ... disease. They detected the same kinds of swelling in those samples that they had seen in the mice. ... cases a very strong, statistically meaningful swelling in the neurons." The researchers tested ...

Researchers use MRI to predict recovery after spinal cord injury

... They also looked at other factors, including bleeding within the spine, swelling and soft tissue injury. The results showed that severity of MSCC, bleeding and cord swelling were key indicators of a poor prognosis after SCI. Conversely, the absence ...

Anti-wrinkle compound causes pathological reaction in skin cells

... team revealed that the application of DMAE induces a quick and spectacular swelling of skin cell vacuoles called fibroblasts, which act as reservoirs and ... antiwrinkle cream. The thickening of the skin induced by the pathological swelling of the fibroblasts would explain the antiwrinkle effect of DMAE, according ...
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