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Live Recombinant Adenovirus Vaccine Technique Explored
...hat a live recombinant adenovirus could be made to express L1 as the virus replicated in the body and thereby create a lasting immune response. The researchers inserted the L1 gene into a live adenovirus such that it would be expressed using the virus' own late-gene expression machinery. L1 is expressed at v...Weill Cornell Research Reveals Secrets Of Trafficking Within Cells
... Òknock-outÓ mice genetically engineered to either express -- or not express -- the protein under study. But Dr. Ryan's group wanted to go deeper, and discover what happened to...Gene Vaccine Protects Mice Against Development Of Her2/neu Breast Cancer
...reproduce itself, but still allowing the vector to express thetarget protein. For this study, the researchers...unity to it appears tobe low, because normal cells express very small amounts of the HER2/neugrowth protein.?...A comprehensive response to HIV could prevent 10 million AIDS deaths in Africa by 2020
...reproduce itself, but still allowing the vector to express thetarget protein. For this study, the researchers...unity to it appears tobe low, because normal cells express very small amounts of the HER2/neugrowth protein.?...Gene Therapy For Parkinson's Disease Moves Forward In Animals
...idea of introducing a vector into brain that would express GDNF. What they've found is that if you get low-level expression, you can prevent cell death in a part of the brain called the substantia nigra. That's been shown before in rodent models, but it's encouraging to see data that it works in higher anima...Gene therapy for Parkinson's disease moves forward in animals
...idea of introducing a vector into brain that would express GDNF. What they've found is that if you get low-level expression, you can prevent cell death in a part of the brain called the substantia nigra. That's been shown before in rodent models, but it's encouraging to see data that it works in higher anima...Variation in women's X chromosomes may explain differences among individuals, between sexes
... at variable levels among females, while all males express a single copy of such genes. "We now know that 25 percent of the X chromosome -- 200 to 300 genes ?can be uniquely expressed in one sex relative to the other," Willard said. "In essence, therefore, there is not one human genome, but two -- male and ......ved cells display spontaneous rhythmic beating and express cardiac markers, whether they are grown in a test tube or have migrated to injured hearts in study mice. The authors can't say why skeletal muscle would harbor cardiac stem cells, but for now, the Spoc cells provide a valuable tool for studying hear...Alzheimer's cognitive decline slowed
...r's disease. The tissue was modified in the lab to express nerve growth factor (NGF), a naturally occurring protein that prevents cell death and stimulates cell function. In surgeries that took place in 2001 and 2002 at UCSD's John M. and Sally B. Thornton Hospital, the genetically modified tissue was implan...Silence the gene, save the cell: RNA interference as promising therapy for ALS
... spinal cords of transgenic ALS mice (mice bred to express the human SOD1 gene). Short strands of RNA that targeted multiple mutated and normal forms of the human SOD1 gene were delivered in a specially engineered lentivirus. Expression of the SOD1 protein was knocked down in the affected motor neurons and n...Double triumph in stem cell quest
...ids really are true ESCs. Verlinsky says the cells express a number of ESC markers. His team has also shown the cells can differentiate into a number of cell types, including heart muscle cells, neurons and blood stem cells, although the results have not yet been published. Trounson, whose team has been exp...Study reveals dramatic difference between breast cancers in US and Africa
...rs from African women were slightly less likely to express the cell-surface marker HER2. HER2 is the target for the drug Herceptin, which was recently approved for metastatic breast cancer. It is over-expressed in about 23 percent of Caucasians and 19 percent of Africans. Breast cancer strikes fewer women i...Disease progression model of pancreatic cancer developed by Penn researchers
...Cancer Biology, and colleagues, engineered mice to express two mutant genes commonly associated with pancreatic cancer: Kras, an oncogene, and p53, a well-studied tumor suppressor. The investigators linked physiological, cellular, and genomic changes due to mutations in Kras and p53 in the mice to changes si...Gene keeps neural cells on correct developmental path
...uronal tissues, such as skin, where you don't dare express a neuronal gene. But it also allows the full elaboration of the neuronal phenotype from the precursor cell." Led by HHMI associate Nurit Ballas, a postdoctoral fellow in Mandel's lab, the study may advance stem cell research aimed at understanding r...Fox Chase study shows that weakened T-cell receptor signals change T-cell lineage
...evel expression of Egr proteins instructs cells to express the set of cellular genes necessary to become a gamma-delta T cell." Understanding the development of critical components of the immune system can lead to scientific and medical advances in stimulating desirable immune responses and halting unwanted...Remote control flies? Fly behavior controlled by laser light
...rking. After genetically engineering the flies to express the ion channel in the giant fiber system cells and using the tiniest of injections to place the caged ATP inside the flies, the researchers shone a ultraviolet-wavelength laser in brief, millisecond pulses at the flies trapped inside a glass-domed a...An (ecological) origin of species for tropical reef fish
...land and sea. Coral reefs, like tropical forests, express an extreme of life's capacity for variation. Yet high biodiversity in tropical seas foil evolutionists' attempts to explain the splitting of one species into two on the basis of geographical barriers. According to standard evolutionary theory propose......cated in normal cells when they were engineered to express Wnt-7b, demonstrating the importance of Wnt-7b in the inflammatory response of RA. The above findings identify a role for Wnt-7b in arthritic processes. Arthritic diseases manifest differently depending on the type, with RA exhibiting inflammation o...Achilles heel of the herpes virus possibly found
...ll into letting the virus in. And since most cells express the gene for the B5 receptor, this may be a reason... sequence, and figured out how to get pig cells to express the human B5 protein to allow the pig cells to be infected with human herpes virus. For these studi...Study: Harmless virus kills some cancers
...another virus, AAV2 seems to be able to infect and express itself in other types of cancer cells also disrupt...lls that have undergone deregulation, infect them, express its own genes, which disrupt the host cell's life cycle and kill it. Scientists have suspected that...New vaccine protects more effectively against tuberculosis
...ol of this global threat. Recombinant BCG, which express listeriolysin and is deleted for the urease gene, has been created and shown to stimulate far more efficacious protection against tuberculosis than the BCG vaccine currently in use. This new vaccine induces cell death in infected host cells, which le...Human embryonic stem cells have the potential to develop into eggs and sperm in the laboratory
...roportion of cells in the embryoid bodies began to express some of the genes that are found in human primordial germ cells. Some cells also expressed proteins only found in maturing sperm. This suggests that HESCs may have the ability to develop into PGCs and early gametes as has been shown previously for mo...Insects develop resistance to engineered crops
...ch the insect, genetically modified (GM) Bt plants express the bacterium in the plant tissue, which makes Bt plants especially effective against insects that bore into stems, such as the European corn borer, which causes more than $1 billion in damage annually in the United States. In greenhouses at the New...Gene therapy advance treats hemophilia in mouse models
...archers also modified the vehicle so that it would express these therapeutic genes only in liver cells, thus ...d virus goes to other organs of the body, it won't express well because its promoter is liver-specific," McCray said. "This modification helps prevent negative...Mass production of human papillomavirus could lead to gains against cervical cancer
...er, in its earliest stage, papillomavirus does not express those proteins, making the virus invisible to that...iciently non-virulent, attenuated virus that would express early gene products could raise additional immune responses against the virus in other stages of its...What comes first…the chicken, the egg, or the bad attitude?
...s not a conscious thing the bird does, but it does express a tendency of that bird to either be generous or to be selfish with its nutrients." Channelling food into body-building results in lower egg production, chick production and chick quality, said Dr. Frank Robinson, professor of Agricultural Food and ...Engineered skin offers clues to melanoma development
... tissue containing cells selectively engineered to express specific mutations found in melanoma. They report their findings in the June 12, 2005, issue of the journal Nature Genetics, offering clues to the oncogenic potency of several genes implicated in the development of melanoma. Melanoma is the deadlies...... tissue containing cells selectively engineered to express specific mutations found in melanoma. They report their findings in the June 12, 2005, issue of the journal Nature Genetics, offering clues to the oncogenic potency of several genes implicated in the development of melanoma. Melanoma is the deadlies...Researchers use RNAi libraries to identify regulators of apoptosis and chemoresistance
... tissue containing cells selectively engineered to express specific mutations found in melanoma. They report their findings in the June 12, 2005, issue of the journal Nature Genetics, offering clues to the oncogenic potency of several genes implicated in the development of melanoma. Melanoma is the deadlies...Researchers create infectious hepatitis C virus in a test tube
...l. They also showed that HepG2 cells, which do not express CD81 but can support HCV RNA replication, could not be infected by HCVcc unless they express CD81. Liver failure due to hepatitis C is the leading cause of liver transplants in the United Stat...Hopkins scientists uncover 'tags' that force proteins to cell surface
...p in drug development is to get cells in a dish to express the protein you want to target with drugs, and then to test thousands of molecules to see which ones interact with the protein and have the effect you want," says the study's senior author, Min Li, Ph.D., a professor of neuroscience at the High Throu...Insight into our sight: A new view on the evolution of the eye lens
...ing vision, thanks to the fact that their eyes all express crystallins and form a lens; however, the vertebrates' nearest invertebrate relatives, such as sea squirts, have only simple eyes that detect light but are incapable of forming an image. This has lead to the view that the lens evolved within the vert...U-M researchers identify new blood test for prostate cancer
...t a library of 2,300 bacteriophage, organisms that express proteins on their surface, and were able to narrow the field to the 22 biomarkers that most often pinpointed the cancerous blood samples. More than 230,000 men will be diagnosed with prostate cancer this year. Current screening methods involve a bl...Identical twins may have more differences than meet the eye
... "One would expect identical twins to develop and express genes at the same levels, but in fact this changes over time," Plass said. "We think that methylation plays a genome-wide role in these changes." Scientists think that foods, exposure to chemicals, physical activity levels and aging may all contribu...Scientists find evidence of catastrophic sand avalanches, sea level changes in Gulf of Mexico
... "One would expect identical twins to develop and express genes at the same levels, but in fact this changes over time," Plass said. "We think that methylation plays a genome-wide role in these changes." Scientists think that foods, exposure to chemicals, physical activity levels and aging may all contribu...Single gene is genetic switch for fly sexual behavior
... also make amorous advances toward male flies that express female pheromones. In these cases, "we have been able to reverse the sex roles during Drosophila courtship," Dickson and Demir say. Dickson and Demir created male-spliced versions of fruitless in female flies and female-spliced versions in male flie...Scientists discover genetic pathway responsible for breast cancer cell growth
... paper. "It is found in breast cancer tumours that express the estrogen receptor." In their study, the researchers found that the FOXA1 gene was required for the estrogen receptor to activate the growth of breast cancer cells. "By inactivating the FOXA1 gene in laboratory cell cultures, we were able to bloc...Survey Uncovers Surprising Attitudes Towards HIV Vaccine Research
...al population. Nonetheless, many were reluctant to express strong support for friends or family members volunteering for HIV vaccine trials. Only 29 percent of the general population and 35 percent of African Americans said they would be extremely or very supportive. Hispanics and men who have sex with men w...Old drug shows new promise for Huntington's Disease
... decided to test the drug in vivo, on mice bred to express the toxic huntingtin protein. The mice were given approximately 1 milligram of Clioquinol per day in water. After eight weeks of treatment, they had accumulated four times less toxic protein in their brains than control mice given water alone. The ex...New study finds how cells with damaged DNA alert the immune system
...ny advanced tumors. In addition, many cancer cells express Rae1. It has been known that when genetic abnormalities occur, the cell cycle is halted so that the cell has time to fix the damage before the DNA is replicated. If the damage is too severe for the cell to repair on its own, it can trigger cell death...Renewed hope for Parkinson's patients
...ny advanced tumors. In addition, many cancer cells express Rae1. It has been known that when genetic abnormalities occur, the cell cycle is halted so that the cell has time to fix the damage before the DNA is replicated. If the damage is too severe for the cell to repair on its own, it can trigger cell death...Discarded placentas deliver researchers promising cells similar to embryonic stem cells
... to embryonic stem cells, including the ability to express two key genes that give embryonic stem cells their...markers that define embryonic stem cells, and also express the Oct-4 and nanog genes that are known to be required for self-renewal and pluripotency ?the abili...Tissue regeneration operates differently than expected
...how, cultivated mesenchymal stem cells are able to express a number of heart- and skeletal muscle specific genes and undergo some morphologic changes, after they are co-cultured with growth-factor producing feeder cells, finally they did not become entirely functional muscle cells. Fully-functional muscle c...Study hints at role of stem cell genes in testicular, breast cancers
...have reverted to a more embryonic state that would express these genes?" The suggestion that embryonic stem ... normal breast tissue. While normal tissue did not express detectable levels of the genes, both the breast carcinoma cell lines and stage 3 breast carcinoma ex...Gene therapy reverses genetic mutation responsible for heart failure in muscular dystrophy
...h newborn- and adult-treated hamsters were able to express the normal protein almost a year later. There were dramatic biochemical and structural improvements in muscle cells in both groups as well. This was accompanied by markedly improved skeletal and cardiac muscle functions. Indeed, the newborn-treated ...UT Southwestern researchers develop screening test for cells that activate immune system
...biosensor system. "We basically engineered DCs to express a fluorescent signal only when sensing activation signals so that you can identify immuno-stimulatory agents very easily," said Dr. Takashima. Immuno-stimulatory agents launch the immune system. The research appears on Blood magazine's online Web si......rs have shown that the bacteria that cause cholera express protein toxins only when they detect bile salts in the host's intestine. It will be interesting to see whether those bacteria also increase the replication of the genes necessary for disease." The bacterium A. tumefaciens employs a large tumor-ind......he body. So a drug that could force tumor cells to express ZBP1 might prevent cancers from spreading." In addition to Dr. Singer, other Einstein researchers involved in the study are Dr. John Condeelis, professor and co-chair with Dr. Singer of Einstein's Department of Anatomy and Structural Biology, Daniel...Restoring silenced suppressor gene kills lung-cancer cells
...ring the WWOX gene in lung-cancer cells that don't express it will kill that lung-cancer cell," says coauthor Kay Huebner, professor of molecular virology, immunology and medical genetics and a researcher with the OSU Comprehensive Cancer Center . "This suggests that if this gene could be delivered to, or ...Prostate cancer uses Wnt signaling proteins to promote growth of bone tumors
... mice, injected with prostate cancer cells made to express the Wnt inhibitor, DKK-1, developed highly osteolytic tumor lesions, which destroyed most of the bone. "This demonstrated that Wnts promote the overproduction of bone by prostate cancer cells," Keller says. In previous research, the U-M team foun...A new window into structural plasticity in the adult visual cortex
... cortex in four- to six-week-old mice. These mice express fluorescent protein in neocortical neurons, allowing Lee et al. to track the location and morphology of these neurons using two-photon microscopy. Time-lapse images of six pyramidal neurons and eight nonpyramidal neurons in 13 mice were taken over th...Polymer gel can block toxic leakage problem in gene therapy
...these genetically modified viruses are designed to express their modified genes to manufacture proteins that can either trigger tumor cell death or stimulate the immune system to attack the cancer. Yuan said he and other Duke researchers have found that, because of the small size of pores in blood vessel wa...Stem cell microenvironment reverses malignant melanoma
... to the hECS microenvironment were reprogrammed to express a melanocyte-associated protein, called Melan-A, and form colonies similar to the hESC colonies. The melanoma cells reprogrammed by the hESC microenvironment were also less invasive than the tumor cells that had not been exposed to the embryonic matr...Model identifies genes that induce normal skin cells to become abnormal
...ed by the metastatic melanoma were reprogrammed to express genes (produce specific gene proteins) associated with a highly plastic cell type similar to the aggressive melanoma cells used in the study. Removal of the "transdifferentiated" skin cells from the melanoma microenvironment caused the cells to reve...New GM mosquito sexing technique is step towards malaria control, report scientists
...tists have genetically modified male mosquitoes to express a glowing protein in their gonads, in an advance t...ial College London have altered male mosquitoes to express a green fluorescent protein in their gonads. Coupled with a high speed sorting technique, scientists...How Fruitflies Know It's Time for Lunch
...neurons responsible for coordinating taste signals express the gene hugin (hug), a gene linked to abnormal ea...d levels. Because both starved and sugar-fed flies express little hug, the researchers inferred that hug levels do not solely signal internal energy requiremen...Compound from marine bacteria shows potential as multiple myeloma therapy
...ells. Analyses showed that NPI-0052 and bortezomib express different profiles for inhibiting the three major proteasome activities. In mice implanted with human myeloma tumor cells, NPI-0052 was well tolerated, prolonged survival and significantly reduced the rate of cancer recurrences. Because NPI-0052 and...Microarray technology for tailoring breast cancer therapy
... cancer. Identifying patients whose breast tumours express these genes could potentially be used to predict which patients would not benefit from adjuvant therapy, and avoid patients being given therapies with the potential of causing more harm than good. A team of researchers led by Jonas Bergh from the Ka......bstances, were able to bring the stem cell line to express proteins characteristic of muscle cells. Interestingly, when a particular path, known as the wnt-signal path, was stimulated, the cells began to develop the features of heart muscle cells. In contrast, when they were beforehand stimulated with a prot...Targeted drug delivery achieved with nanoparticle-aptamer bioconjugates
...was not seen to be enhanced in cells which did not express the PSMA protein, indicating a selective tumour-targeting action. "These bioconjugates represent an exciting prospect in the advancing field of cancer nanotechonology and hold significant promise for future cancer treatment," remarked Dr Farokhzad....Other ContentsmacromeremacroevolutionmacromoleculesmacromoleculesmacromoleculesmacromoleculeslayerlayerlayerlayerlayerlayerlayerlayertubuletubulemammarymammarymammarymammarymammarymammaryOther TagsfillfillfillworsensOxleyadvisor
(Date:8/20/2008)...ional Human Genome Research Institute (NHGRI), par...y awarded more than $20 million in grants to devel...and efficient enough to sequence a person,s DNA as...care. , "The ability to comprehensively sequenc...needed to usher in an age of personalized medicine...
(Date:8/19/2008)...mes to unravel gonadotrophs , Although the bas... is known, it has been harder to associate specifi...o the limited cell population. In an article on p....eproduction , Feng et al. take the approach of com...ll lines that were immortalized at different stage...
(Date:8/19/2008)...rosting isnt just for livening up boring bran flak...teins. Researchers at the National Institute of St...t, inexpensive and effective method for evaluating...ize protein-drugs for storage at room temperature....American Chemical Society National Meeting and Exp...
(Date:8/19/2008)...NSWICK, N.J. Rutgers University has received a $3...ion (NSF) to apply engineering, physical science a... In funding 70 doctoral fellowships, the program c...lar biology, computational modeling and biomateria...y lab into practical and commercially viable thera...
Breaking Biology News(10 mins):NHGRI seeks DNA sequencing technologies fit for routine laboratory and medical use 2NHGRI seeks DNA sequencing technologies fit for routine laboratory and medical use 3NHGRI seeks DNA sequencing technologies fit for routine laboratory and medical use 4NHGRI seeks DNA sequencing technologies fit for routine laboratory and medical use 5September 2008 Biology of Reproduction highlights 2Candy-coating keeps proteins sweet 2$3.2M for Rutgers to apply biology, engineering, physical sciences toward stem cells 2$3.2M for Rutgers to apply biology, engineering, physical sciences toward stem cells 3Ortho Biotech Modifies Prescribing Information for PROCRIT 28R 29 28Epoetin alfa 29 Label Reflects Recommendations from Recent FDA Advisory Committee 1737 1Ortho Biotech Modifies Prescribing Information for PROCRIT 28R 29 28Epoetin alfa 29 Label Reflects Recommendations from Recent FDA Advisory Committee 1737 2Ortho Biotech Modifies Prescribing Information for PROCRIT 28R 29 28Epoetin alfa 29 Label Reflects Recommendations from Recent FDA Advisory Committee 1737 3Ortho Biotech Modifies Prescribing Information for PROCRIT 28R 29 28Epoetin alfa 29 Label Reflects Recommendations from Recent FDA Advisory Committee 1737 4Ortho Biotech Modifies Prescribing Information for PROCRIT 28R 29 28Epoetin alfa 29 Label Reflects Recommendations from Recent FDA Advisory Committee 1737 5Milnacipran Demonstrated Significant Improvement in Pain and the Core Symptoms of Fibromyalgia Syndrome Data Show 808 1Milnacipran Demonstrated Significant Improvement in Pain and the Core Symptoms of Fibromyalgia Syndrome Data Show 808 2Milnacipran Demonstrated Significant Improvement in Pain and the Core Symptoms of Fibromyalgia Syndrome Data Show 808 3Milnacipran Demonstrated Significant Improvement in Pain and the Core Symptoms of Fibromyalgia Syndrome Data Show 808 4Milnacipran Demonstrated Significant Improvement in Pain and the Core Symptoms of Fibromyalgia Syndrome Data Show 808 5Milnacipran Demonstrated Significant Improvement in Pain and the Core Symptoms of Fibromyalgia Syndrome Data Show 808 6Milnacipran Demonstrated Significant Improvement in Pain and the Core Symptoms of Fibromyalgia Syndrome Data Show 808 7Milnacipran Demonstrated Significant Improvement in Pain and the Core Symptoms of Fibromyalgia Syndrome Data Show 808 8Hot spots the key to controlling European carp in Australia 1150 1Hot spots the key to controlling European carp in Australia 1150 2A genetic identity card for Plasmodium populations to improve control strategies 1147 1A genetic identity card for Plasmodium populations to improve control strategies 1147 2A genetic identity card for Plasmodium populations to improve control strategies 1147 3(Date:8/21/2008)... New names and fresh websit... UME/GME administration software , ... one45 Software, a leading provider of healthcare ... of Cytiva Software Inc. (CRX:TSX.V), announced to...hcare education administration products., , ,Compl...
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(Date:8/20/2008)...use postponed reproductive onset in teen, adult fe...EDNESDAY, Aug. 20 (HealthDay News) -- Alcoholism i...ccording to a study that compared women,s and men,... age when they had their first child. , The re...ian twins born between 1893-1964 (3,634 female and...
Breaking Medicine News(10 mins):Health News:Cytiva's one45 Software Rebrands Healthcare Education Administration Products 2Health News:Cytiva's one45 Software Rebrands Healthcare Education Administration Products 3Health News:Cytiva's one45 Software Rebrands Healthcare Education Administration Products 4Health News:Questex Acquires Leading Spa Industry Portal and Spa Executive Business Networking Site and Events 2Health News:Questex Acquires Leading Spa Industry Portal and Spa Executive Business Networking Site and Events 3Health News:New Health IT Survey for Care Management Services Shows Opportunities for Integration, Standardization and Innovation 2Health News:New Health IT Survey for Care Management Services Shows Opportunities for Integration, Standardization and Innovation 3Health News:Women's Alcohol Use Tied to Delayed Childbearing 2[0] Cytiva's one45 Software Rebrands Healthcare Education Administration Products[0] Questex Acquires Leading Spa Industry Portal and Spa Executive Business Networking Site and Events[0] New Health IT Survey for Care Management Services Shows Opportunities for Integration, Standardization and Innovation[0] Women's Alcohol Use Tied to Delayed Childbearing
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