Tag: "bypass" at biology news
Salvage Gene Is At The Root Of Many Mutations
...y Nelson, Hinkle, and Lawrence, causes a mutagenic bypass
to occur. "REV1, in its efforts to cope with DNA damage, can actually produce mutations," Nelson says. "When exposed to DNA-damaging agents, yeast without the REV1 enzyme develop less than one percent as many mutations as yeast with theenzyme." ...
Seeds Without Sex
... by scientists because of its rapid lifecycle - to bypass
the normal pollination process and begin seed formation.This is the crucial first step in developing plants which can produce seedwithout pollination. The hunt is now on to find equivalent genes in commercial plants likerice - the world's biggest cr...
Engineering Our Arteries: Replacements And Assisted Healing
...uld prevent some of the need to go to bypass
Towards A Local Stimulation Of Natural Bypass Growth - Max Planck Scientists Developed New Treatment For Ischemic Heart Disease
...n become an alternative to baloon dilatation or bypass
surgery. As reported in the February edition of ...gene of a growth factor was given as adjunct to bypass
surgery. The new method developed by Arras and collegues on the contrary requires only a routine ...
Study Is First Ever To Document Protein Therapy Induces Creation Of New Blood Vessels To The Human Heart
... the body can grow its own newcapillary network to bypass
occluded vessels. "This capillary net...e University of Michigan. "This is not to say that bypass
should be abandoned, but this research showsangiogenesis is a powerful therapy to be used with bypas...
Researchers From Rockefeller University Develop Novel Method To Fight Cancer
...an avenue forusing the cell's natural machinery to bypass
this requirement, allowing theindividual's own dendritic cell to determine the correct part of the tumorantigen that fits their MHC molecules. In a model system, the researcherscollected human tissue and infected it with influenza. These cells weretr...
Genetic Make-Up May Determine Response To Cholesterol-Lowering Drugs
...f 485 individuals who hadundergone coronary artery bypass
surgery, which involves using a blood vesselgraft to bypass
blockages in the coronary arteries that carry blood to theheart. Patients were given either a high ...
New Test Opens Window On Corrosive Free-Radical Activity In Individuals
...ted during the critical period ofreperfusion after bypass
surgery or treatment for a heart attack. In a report published in the October 15 issue of the Journal of ClinicalInvestigation, high levels of both 8-epi-PGF2alpha and IPF2alpha-I wereidentified in atherosclerotic plaque tissue removed from b...
One Year Follow-Up Of Non-Invasive Angina Treatment Suggests A Lasting Benefit
...patients who takemedications or who have had major bypass
surgery or angioplasty to cleararteries that suppl...ients, and may be used in conjunction withcoronary bypass
surgery or balloon angioplasty or as a follow-up whenangina persists after these procedures, accordi...
American Heart Association Journal Report: Gene Therapy Findings Updated: Treatment Used In Patients With Blocked Leg Vessels
... The treatment, used to grow new blood vessels to bypass
obstructions ofblood flow in the legs of people wi...aluatingthis gene therapy to grow blood vessels to bypass
obstructed heart arteries. Two people have been treated. "Both are doing fine, but both are st...
Duke Researchers Genetically Engineer Mice To Block Heart Enlargement
... larger. Koch and his colleagues wanted to bypass
the conventional method ofinhibiting pressure overload enlargement by going straight to the Gq signalingprotein. They studied the Gq protein and found a single segment that seemed toact like a receiver for all the various receptor messages. Koch and ...
Gene Transfer Process Generates Seedless Summer Days
...s. Using the gene transfer process, Li is able to bypass
MotherNature by inserting a fusion gene into a fruit plant. This insertionwill subsequently lead to the production of a plant hormone calledauxin that will stimulate fruit growth and development withoutpollination or production of seeds. "By doing t...
New Clue To apoE Function
...and bodes apoor neurological outcome after cardiac bypass
or cerebral hemorrhage. "Our thinking is t...er's disease, Parkinson's disease andrecovery from bypass
surgery and cerebral hemorrhage." The researchers will explore this idea further. The apoE3...
New Study Shows White Males Have More Receptors For Patent Blood-Vessel Contracting Substance
...ieces of left-oversaphenous vein tissue from heart bypass
surgeries, they compared the veins ofwhite men and... at the suture line) and graftfailures after heart bypass
surgery than women. Since ET-1 was first discovered, researchers have focused on itspotential...
New Hope On The Horizon For Patients With End-Stage Cardiovascular Disease
...tients who have undergone multipleangioplasties or bypass
procedures for coronary artery disease. Both proceduresare non-surgical and show promise of improving quality of life for patients withend-stage cardiovascular disease. "The preliminary data are very encouraging,"says P.K. Shah, M.D., Director of Car...
Artificial Heart Chamber And Artificial Blood Vessels Aid Cardiovascular
...he polymer vessels aredesigned to be used in heart bypass
operations, which are performed more than500,000 times a year. The artificial vessels are designed to substitute for thesaphenous vein, the major vein in the leg that is most often used to replaceclogged coronary arteries. Since most saphenous vein...
Stroke Risk Increased In Patients With High Oxygen Use In Brain
... a large, multi-center study showed that the EC-IC bypass
was nobetter than medical therapy in reducing risk...amic failure warrant areconsideration of the EC-IC bypass
technique. "Because of the negative findings in the past, we expect we will hav...
Arsenic Shown To Induce Cancer Remission
...apse with the disease. Arsenictrioxide appears to bypass
this resistance by forcing APL cells to partlymature, and then causing them to self-destruct. "This finding shows that arsenic trioxide does not discriminate between APL thatis resistant or not resistant to retinoic acid, which may mean that we can ...
Calcium Channel Blocker Slows Hardening Of Arteries In Some Key Arteries, But Not Others
...ocedures to relieve angina,such as coronary artery bypass
surgery. Because of that finding, amlodipine "mayh... coronaryartery lesions" by deferring the need for bypass
surgery or angioplasty, hesaid. The study, which was called PREVENT (prospective randomized ...
American Heart Association Announces Top 10 Research Advances For 1998 -- Gene Therapy Among The List
....1 killer. 1. Gene therapy to create a "natural" bypass
to circumvent plaque obstructions in the heart's b...ering drugs and the surgical procedures of cardiac bypass
surgery and angioplasty.Gene therapy to create natural bypasses is described in research published t...
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