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Tag: "injected" at biology news

Growth in the sea comes down to a struggle for iron

...orthwestern Pacific, the Japanese team had already injected iron into the water and were monitoring the growing phytoplankton patch, roughly six by eight kilometers in size. "The patch changed quickly and constantly, breaking into two patches and streaming out into a long, narrow strip. The major night-time ...

Mouse brain cells rapidly recover after Alzheimer's plaques are cleared

...izeover the course of three to seven days, Brendza injected Abetaantibodies directly onto the surface of the mouse brains. In the regionof the injection, the antibodies cleared the plaques, confirmingearlier research results. Then Brendza closely monitored the swellingsfor three days."We thought that clearing...

Key molecule in plant photo-protection identified

...izeover the course of three to seven days, Brendza injected Abetaantibodies directly onto the surface of the mouse brains. In the regionof the injection, the antibodies cleared the plaques, confirmingearlier research results. Then Brendza closely monitored the swellingsfor three days."We thought that clearing...

Novel Therapy Tested in Mice Could Chase Away Cat Allergies

...act to cat protein only after the scientists first injected them with human allergic antibodies to cats. When these mice were then injected with cat allergen, GFD blocked the allergic reaction involving the human cell receptors, an indicati...

Muscle-targeted gene therapy reverses rare muscular dystrophy in mice

...d its activity to muscle. The investigators either injected the viral particles into the muscle or injected it intravenously in Pompe disease mice. Six weeks after muscular injection with the virus containin...

Gene Vaccine Protects Mice Against Development Of Her2/neu Breast Cancer

...“VRP-neu.?When these non-propagating particles are injected intoan animal, the vector directs the animal’s cells to make thousands ofcopies of the HER2/neu growth protein, says Lachman.In addition, the VRP-neu preferentially homes to specialized immunesystem cells known as dendritic cells, and infects them. I...

A comprehensive response to HIV could prevent 10 million AIDS deaths in Africa by 2020

...“VRP-neu.?When these non-propagating particles are injected intoan animal, the vector directs the animal’s cells to make thousands ofcopies of the HER2/neu growth protein, says Lachman.In addition, the VRP-neu preferentially homes to specialized immunesystem cells known as dendritic cells, and infects them. I...

UCLA scientists transform HIV into cancer-seeking missile

...that makes fireflies glow ?to the AIDS virus. They injected the camouflaged HIV into a vein in the mouse's tail and used a special optical camera to watch the carrier's movement. "The virus traveled through the animal's bloodstream and homed straight to the cancer cells in the lungs, where the melanoma had m...

NJIT Presidential Award winner takes stem cell research another step

...nt with a bone ailment would visit a doctor and be injected with a ready supply of stem cells. The cells would...ill help adult stem cells turn into cells that, if injected into a diseased area of the human body, could regenerate damaged tissue. Her research has also led ...

Influenza vaccine uses insect cells to speed development

... eggshell is punctured, and the influenza virus is injected into the fluid surrounding the embryo. The egg is then resealed, the embryo becomes infected, and the resulting virus is then harvested, purified and used to produce the vaccine. In addition to the long development time, another drawback to this meth...

Unexpressed But Indispensable -- The DNA Sequences That Control Development

... is ideal for observing developmental events. They injected individual CNEs into embryos, along with a green f...rter. By day two of development, 23 out of 25 CNEs injected had upregulated GFP expression, indicating interaction of these sequences with endogenous transcript...

New Treatment Rivals Chemotherapy For Lymphoma, Study Finds

...Bexxar therapeutic regimen, a radioactive antibody injected into the bloodstream that targets and kills cancer... Bexxar therapeutic regimen, a patient receives an injected test dose of radioactive Bexxar to determine how that patient's body processes the tagged antibody. ...

Carnegie Mellon scientists develop tool that uses MRI to visualize gene expression in living animals

... enters cells but doesn't reproduce itself. Ahrens injected the vector carrying the MRI reporter gene into brains of living mice and imaged the MRI reporter expression periodically for over a month in the same cohort of animals. The research showed no overt toxicity in the mouse brain from the MRI reporter. ...

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

...e targeted site inside of the heart, the VEGF-2 is injected into the heart muscle region with inadequate blood supply. The DNA plasmid is then taken up by the middle muscular layer of the heart wall near the injection site. Inside the cell, the DNA encoded VEGF-2 expresses itself which in turn stimulates the ...

PCRM develops world's first cruelty-free insulin assay

...lin antibodies grown in vivo--literally from cells injected into the abdomens of live mice--or we could use kits containing antibodies produced from cells cultured with fetal calf serum. Neither was acceptable to us." The answer? Develop an in-vitro, or test-tube, procedure using a synthetic replacement for ...

Bone Density Recovers After Teens Stop Injected Contraceptive

...ver in adolescent females once they stop using the injected contraceptive depot medroxyprogesterone acetate (DMPA), according to a study funded by the National Institute of Child Health and Human Development of the National Institutes of Health. Previous studies had shown that women who use DMPA, marketed un...

Rats infected as newborns grew up vulnerable to memory problems during an immune challenge

...re. In the study, a team led by Staci Bilbo, PhD, injected a group of 49 rat pups on postnatal Day 4 either w...on the first day, a second group of these rats was injected with a low dose of lipopolysaccharide (LPS), a bacterial component that causes flu-like symptoms,. T...

Norovirus, AIDS vaccine and Hepatitis Virus

...e virus requires to replicate). Four macaques were injected with the noninfectious vaccine, while two control animals remained unvaccinated. Both groups were challenged with SHIV. All four of the immunized macaques became infected with the challenge virus, but three survived. The two control subjects died. "...

PET/MRI scans may help unravel mechanisms of prenatal drug damage

...ollowed by PET. For the PET study, each animal was injected with a trace quantity of cocaine--less than 10 mic...s not enough to cause pharmacological effects. The injected cocaine had previously been "labeled," or "tagged," with a short-lived radioactive form of carbon (c...

Chemists identify immune system mechanism for methamphetamine binges

...world's largest scientific society. "Test animals injected with methamphetamine actually developed antibodies...o the drug. In follow-up studies using mice, those injected with the drug developed antibodies to it. "Antibodies are usually produced only in response to larg...

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