Bypass in Biological News

Chemical found in medical devices impairs heart function

... plastic tubing outside the body, such as heart bypass surgery or kidney dialysis. These findings also ... In addition to loss of taste and memory, coronary bypass patients often complain of swelling and fatigue. ... His personal experience with coronary bypass surgery propelled his search for a root cause for ...

Our microbes, ourselves

... individuals, those who have undergone gastric bypass surgery, and patients suffering the condition of ... of obesity and plausible alternatives to gastric bypass surgerystill the only reliable long-term ... weight, morbidly obese and following gastric bypass surgeryto participate in the study. The ...

Franklin Square to study airway bypass procedure for severe emphysema

... air to exit the lungs. During the airway bypass procedure, new openings are created in the airway ... creating new pathways for airflow with the airway bypass procedure, we hope to reduce hyperinflation and ... emphysema and there is no cure. "The airway bypass procedure could be an excellent option for those ...

National Jewish Health researchers evaluating treatment to help emphysema sufferers breathe easier

... their quality of life." During the airway bypass procedure, new openings are created in the airway ... by Broncus Technologies, Inc. "Airway bypass is groundbreaking because right now it is the ... control or the treatment group. During the airway bypass procedure physicians will use a Doppler probe ...

Researchers at National Jewish Health evaluating a treatment

... their quality of life." During the airway bypass procedure, new openings are created in the airway ... by Broncus Technologies, Inc. "Airway bypass is groundbreaking because right now it is the ... control or the treatment group. During the airway bypass procedure physicians will use a Doppler probe ...

Clinical trial that may help patients breathe easier begins at Central DuPage Hospital

... for the EASE trial in the Chicago area. Airway bypass could be groundbreaking because it is a potential ... struggle with each breath. During the airway bypass procedure, new openings are created in the airway ... and there is no cure. If proven, the airway bypass procedure could be an excellent option for those ...

Researchers at Sarasota Memorial Health Care System to study airway bypass treatment for emphysema

... The study focuses on a procedure called airway bypass that involves creating pathways in the lung for ... creating new pathways for airflow with the airway bypass procedure, we hope to reduce hyperinflation and ... in dyspnea (shortness of breath). The airway bypass procedure could be an excellent option for those ...

Positive results for airway bypass

... a medical device company investigating the airway bypass procedure for the treatment of emphysema, today ... for patients at six months after the airway bypass procedure. Airway bypass is a catheter-based bronchoscopic procedure ...

Probiotics help gastric-bypass patients lose weight more quickly, Stanford study shows

... suggests that the use of a dietary supplement after Roux-en-Y gastric bypass surgery can help obese patients to more quickly lose weight and to avoid ... the procedure. Roughly 15 million Americans are morbidly obese, and bypass surgery is becoming an increasingly common treatment for the problem. Some ...

Fatty foods -- not empty stomach -- fire up hunger hormone

... interested in how ghrelin may be involved in the rapid benefits of gastric bypass surgery," says Tschp. "This powerful obesity therapy frequently reduces ... weight loss occurs. Intriguingly, this procedure causes food to bypass the stomach and gut sections that contain GOAT/ghrelin cells, which, based ...

New device detects heart disease using less than one drop of blood

... current techniques allow, bringing laboratory-created tissue for vascular bypass surgeries another step closer to reality. "This simple device is a ... grafted from patient's bodies. The amount of pain and recovery times for bypass surgeries would be reduced significantly." ...

Robotic surgery lowers risk of a rare but serious complication of gastric bypass

... in 605 patients who either underwent laparoscopic Roux-en-Y gastric bypass or the same procedure with the assistance of a robot at Memorial Hermann ... Snyder said. "The angles encountered during a laparoscopic gastric bypass are sometimes awkward and can make the surgical technique challenging. ...

Human embryonic stem cell secretions minimized tissue injury after heart attack

... heart injury by enhancing reperfusion therapy (angioplasty and cardiac bypass surgery) and reducing tissue death by another 60%. Heart function was ... treatments such as angioplasty (commonly known as "ballooning") or bypass surgery is carried out in the hospital. Despite this, most MI patients ...

New horizons in modelling surface processes

... also cover the chemistry of bioglass implants and a new polymer for heart bypass grafts and valves. UCL scientists have been modelling ice nucleation in ... risk of thrombosis (blood clotting) and are being used to develop arterial bypass graft, stent and heart valves. Professor Mike Gillan, Director of the ...

Human hormone blocker found to help prevent obesity and diabetes: study

... possible parallels exist with the benefits of Roux-en-Y surgery (gastric bypass surgery) in treating gross obesity and associated diabetes in people. In this procedure, nutrients surgically bypass the area of the small intestine, resulting in a deficiency of circulating ...

New DNA and RNA aptamers offer unique therapeutic advantages

... bloodstream. Aptamer therapeutics presently in clinical development target diseases and applications such as macular degeneration, coronary artery bypass graft surgery, and various types of cancer. Kristina W. Thiel, PhD and Paloma H. Giangrande, PhD, from the University of Iowa, present a thorough ...

Plastic that grows on trees, part two

... >, scientists produced HMF from simple sugars derived from cellulose. In this new work, researchers developed a way to bypass the sugar-forming step and go straight from cellulose to HMF. This simple process generates a high yield of HMF and allows the use of raw cellulose ...

Synthetic chemical offers solution for crops facing drought

... example of how a chemical allowed us to solve a problem that genetics has been struggling with," he said. "Clearly, chemical genetics can be used to bypass some of the limitations that slow down classical genetic analysis. Not too long ago, the United Nations called for a 'blue revolution' - the water ...

Canadian biomedical engineering pioneer receives international award

... helped to make the use of life-saving devices such as prosthetic heart valves, vascular stents, vascular grafts, heart-assist devices, and heart-lung bypass systems almost commonplace. In the process, he has helped to establish Canada as a biomaterials leader. John Brash, P.Eng., director of the ...

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

... online on March 27. "The hope is that this discovery someday could result in a therapy for new blood vessel growth that could be a sort of natural bypass in humans. Perhaps it could also benefit patients with peripheral artery disease, who cannot walk, for example, but who might be able to grow new ...

Pitt-led researchers create quick, simple fluorescent detector for TB

... on the institute's Web site at www.hhmi.org/news/krith20090319.html "The development of reporter flurophages," Jacobs said, "allows us to bypass the existing method of diagnosing TB, which requires cultivating slow-growing bacteria in a biosafety level 3 environment, a time-consuming and ...

Einstein and Pitt researchers develop new TB test that will dramatically cut diagnosis time

... to glow. A clinician could detect the glow with equipment available at many clinics. "The development of these reporter flurophages allows us to bypass the existing method of diagnosing TB, which requires cultivating slow-growing bacteria in a biosafety level 3 environment, a time-consuming and ...

UNC scientists teach enzyme to make synthetic heparin in more varieties

... the intestinal lining of pigs. The manufactured form of the substance is most often used during and after procedures such as kidney dialysis, heart bypass surgery, stent implantation, indwelling catheters, and knee and hip replacements to prevent clots from blocking or restricting the flow of blood. The ...

JHU chemists devise self-assembling 'organic wires'

... From pacemakers constructed of materials that so closely mimic human tissues that a patient's body can't discern the difference to devices that bypass injured spinal cords to restore movement to paralyzed limbs, the possibilities presented by organic electronics read like something from a science ...

UCSF Fresno leading-edge study lends hope to emphysema patients

... Patients in the Valley with emphysema might soon be breathing a little easier thanks to a new airway bypass study called the Exhale Airways Stents for Emphysema (EASE) trial. The trial principal is Dr. Karl Van Gundy aided by investigators Drs. Michael ...

12-month ATLANTA trial data show sustained benefit of Catania Stent

... showed zero (0.0) percent stent thrombosis (Academic Research Consortium, or ARC-defined), death, myocardial infarction, stroke, or coronary artery bypass graft. Target lesion revascularization was 10.9 percent (only 3.6 percent clinically driven, 7.3 percent non-clinically driven), with a binary ...

When cells go bad

... time that this type of cell death which doesn't use p53 is caused by gaining or losing copies of other important genes, Golic says. Cells that bypass all of the protective suicide measures divide multiple times, accumulating more and more chromosomal abnormalities. In humans, such cells are likely ...

Cataloguing invisible life: Microbe genome emerges from lake sediment

... novel." Only 1 percent of microbes survive in the laboratory, Chistoserdova said, and the remaining 99 percent are undiscovered. Genetics can bypass the laboratory to help reveal microscopic communities, but most genetic tools use short stretches of known genetic code. Researchers look for these ...

Monash researchers uncover cancer survival secrets

... during DNA replication," Assoc Prof Tiganis said. "We have identified one mechanism by which PTKs may remain activated and allow cancer cells to bypass the molecular warden of DNA replication. They may lack a key enzyme called TCPTP." Experiments published in the prestigious journal Cancer Cell have ...

How chemo kills tumors: research to reduce side effects

... them, because many studies were population-based approaches that were indirect and led to vague and confusing interpretations. Dr Taylor said: "To bypass the neurotoxicity, new anti-mitotics are being generated. Early clinical studies show that these drugs do not result in significant neurotoxicity. ...

Death, division or cancer? Newly discovered checkpoint process holds the line in cell division

... control systems, just like in a factory assembly line, that ensures that each new cell gets their proper share of DNA." "Cancer cells tend to bypass quality control, such as the mitotic checkpoint, so as to allow them to shuffle their deck of chromosomes to select for traits that promote drug ...

Researchers find way to make tumor cells easier to destroy

... if it will enhance the cell-killing effect of hyperthermia and radiation. They are also working to develop chemicals that have heat-like effects to bypass the need to supply a physical heat source to tissue. ...

Scientists determine drug target for the most potent botulinum neurotoxin

... taken the first step toward designing an effective antidote to the most potent form of the toxin. They have found that they can trick the toxin to bypass its normal binding protein, thereby blocking its deadly action. The results of their research are reported in the April 22, 2008 online issue of the ...

Hatchery fish outnumber wild chinook salmon in troubled fall run

... use. "Most of the hatcheries in the Central Valley put the fish in tanker trucks and release them into the lower San Francisco Bay Delta, so they bypass a lot of the mortality that occurs in the rivers," Barnett-Johnson said. "If freshwater mortality was a key factor in population declines, we would ...

Work with power grids leads to cell biology discovery

... or by other factors that compromise gene activity. Their network-based method does this by targeted deletion of genes, forcing the cell to either bypass the functions affected by the defective gene or to compensate for the lost function. The research, led by Adilson E. Motter, assistant professor ...

Is hybridoma production about to take a quantum leap forward?

... human monoclonal antibodies as a complementary or primary therapeutic agent against a variety of diseases. The most obvious advantage would be to bypass the interference from the patient's immune system that typically characterizes the use of chemerical or humanized antibodies. Due to the growing ...

Pennsylvania Hospital recognized for excellence in bariatric surgery

... (minimally-invasive) and open surgeries, and perform the latest, most-advanced bariatric surgery procedures, including LAP-BAND and roux-en-y gastric bypass surgery. In becoming a Bariatric Surgery Center of Excellence, the program has held itself to the highest standards in the industry and is ...

Story ideas from the Journal of Biological Chemistry

... also inhibited rat and human potassium channels expressed in a human cell line. Singh and colleagues point out that since these arrhythmia effects bypass COX-2, it is unclear if other COX-2 inhibitors would yield similar results. They also stress it is too early to speculate on human effects, although ...

Minimally invasive heart surgery research wins NIH award

... has become routine, in great part because of the availability of cardiopulmonary bypass, said del Nido. But we now know that putting patients on bypass carries some risks and can lead to problems, such as neuromotor defects in children and stroke in adults. Dupont is developing the instruments and ...

UF scientists reveal how dietary restriction cleans cells

... been identified, UF researchers say the next step is to figure out how the proteins can be activated without inflicting dietary stress. What if we bypass the caloric restriction and find a way of increasing autophagy" asked Dunn. That is, instead of starving yourself you can find another way of ...