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Termites feed through good vibrations
...ocks into small blocks and found that the termites switched their preference to the large blocks. Prof Lai created an artificial signal similar to that made by the termites chewing the large block, which Dr Evans broadcast into small blocks and the scientists found that the termites had no preference for eith...Researchers identify target for cancer drugs
...ancers. If Akt travels to the cell membrane, it is switched on and promotes cell division, often contributing to tumor growth as a result. However, as long as it stays within the cell cytoplasm, it remains relatively inactive. That's because the tumor-suppressor protein PTEN keeps Akt in check by destroying l...Protein Packages Found To Activate Genes; May Be What Regulates Development And Disease
... and previously unknown specifics of how genes get switched on during development of the human body and in diseases such as cancer. "Each type of cell in our bodies contains the same genes. What makes them do different things involves which genes are turned on," notes Bradley Bernstein, a pathologist at Harv...Open microfluidic and nanofluidic systems
...rfaces covered by molecular monolayers that can be switched by light, temperature, or electric potential. The experiments described in the PNAS study use a polymeric liquid that freezes quickly and can then be scanned directly with the tip of an atomic force microsope. However, the same morphology diagram sh...Highly adaptable genome in gut bacterium key to intestinal health
...ivity analysis showed that B. theta had adaptively switched on a different set of genes encoding surface proteins and carbohydrate-busting enzymes. This switch allowed B. theta to bind to and digest the host-produced mucus carbohydrates. "By changing its digestive enzymes and surface proteins, the bacterium ......igned mines for the British navy. After the war he switched from physics to molecular biology, and, with a Medical Research Council fellowship, he went to Cambridge University. There he joined Max Perutz’s protein structure group at the Cavendish Laboratory and earned his Ph.D. in 1953. In the summer of 1951...Scientists reveal molecular secrets of the malaria parasite
...hemosquito. That motif regulates proteins that are switched on as theparasite enters the mosquito.Hall's group identified the gene regulation by comparing the genesexpressed in the sexual stage transcriptome with the proteomes of boththe sexual stage and a developmental stage in the mosquito. Severalgenes wer...Scientists discover unique microbe in California's largest lake
...separates theproteobacteria and cyanobacteria, and switched places with the portionof the gene that had originally been inherited from the cyanobacterialparent."This finding shows that even this popular evolutionary chronometer canbe a mosaic of genetic information with radically different origins,"Miller say...Beyond lithium for bipolar disorder
...have identified genes whose activity appears to be switched on by lithium, suggesting more direct targets for drugs to treat the disorder. Lithium is known to inhibit the production of an important cellular switch, called inositol monophosphate, so the researchers set out to find genes that were activated by...Variation in women's X chromosomes may explain differences among individuals, between sexes
...genes on one copy of the female's X chromosome are switched off, a modification known as X inactivation. Originally, scientists had assumed that the inactivation process resulted in complete silencing of the genes on the second X chromosome, Willard said, in order to leave both sexes with the same activity l...Gene keeps neural cells on correct developmental path
... among cell types arose from various sets of genes switched on inside developing cells. Then, studies showed that adult neurons uniquely lack a protein that permanently turns off neuronal genes in the rest of the body's cells. Now, it turns out that precursor nerve cells contain that same repressive protein ...Two chemicals boost immune cells' ability to fight HIV without gene therapy
...fen School of Medicine at UCLA. "The two compounds switched telomerase back on in the cells." In earlier research, the UCLA team showed that inserting the telomerase gene into the immune cells of an HIV-infected person prevented the cells from aging prematurely. The telomerase enabled the immune cells to div...Currents could disrupt ocean food chain
...ation. A growing body of evidence suggests that it switched on and off 20 to 25 times during the last ice age. "During the last ice age, from about 100,000 years before present to 20,000 years B.P., thick ice sheets over Canada sporadically dropped armadas of icebergs into the North Atlantic where they melte...Newly discovered protein an important tool for sleeping sickness research
...s divide and reproduce. Trypanosomes whose VSG has switched evade the antibodies the human immune system made to fight the original antigen, thus assuring the long-term survival of these parasites within their hosts. The trypanosome has approximately 1,000 different VSG genes, but only expresses one at a time...Breakthrough System for Understanding Ocean Plant Life Announced
...s divide and reproduce. Trypanosomes whose VSG has switched evade the antibodies the human immune system made to fight the original antigen, thus assuring the long-term survival of these parasites within their hosts. The trypanosome has approximately 1,000 different VSG genes, but only expresses one at a time...Researchers develop promising new gene network analysis method
... answer a question. When a deadly "oncoprotein" is switched on, what chain reaction of gene activity does it s...o make a form of the c-Myc protein, which could be switched on or off by the hormone treatment tamoxifen. One batch of cells was treated with tamoxifen, then h...Researchers discover mechanism for multiplying adult stem cells
...long been dormant. Hochedlinger found that when he switched the gene on, the mice immediately formed tumors in...and in the skin where the gene was active. When he switched the gene off, the tumors subsided, demonstrating that the process is reversible. Discovering that s...Spiders help scientists discover how muscles relax
...s that form our muscles and found out how they are switched off," said Raul Padron, a HHMI international resea...re formed and maintained and how the filaments are switched off due to interactions between the myosin heads Padron explained. "It also opens the way to underst...Researchers devise new technique for creating human stem cells
...l genes characteristic of adult cells had all been switched off, while those characteristic of embryonic cells had been switched on. "With the exception of a few genes one way or the other -- which is perhaps because these cells ...Neurotransmitters signal aggressive cancer, offer potential for early diagnosis
...involved in the production of these compounds were switched on in poor prognosis malignant metastatic tumors. ...uired to produce these metabolites were invariably switched on the poor prognosis but not the good prognosis tumor groups." "Most people understand the revolut...Research casts doubt on circulating stem cells
...ntly "switched off" and the cells cannot simply be switched back on again. After all, what comes from bone marrow is generally blood and not muscle tissue. The story of a "jack of all trades" circulating via the blood stream throughout the body and repairing, wherever needed, any type of tissue is, unfortunat...Gene that helps mosquitoes fight off malaria parasite identified
... determined that the SPRN6 gene, which is normally switched off in Anopheles stephensi and Anopheles gambiae mosquitoes, is switched on when they are infected with the malaria parasite. To determine the function of SPRN6, the researc...Scientists discover the molecular switch for nerve cells' insulating jelly rolls
...r, until now it wasn't clear whether the gene also switched on production of the sheath. In a series of experiments, Dr. Carla Taveggia, the first author of the study and an NYU research scientist, together with collaborators at NYU, Columbia University College of Physicians and Surgeons, and other instituti...Magnetic probe successfully tracks implanted cells in cancer patients
...t to advance to clinical trials, the research team switched from the experimental magnetic tags to formulations of iron oxide already approved for clinical use in Europe (as Endorem) and the United States (as Feridex). Because immature dendritic cells naturally take up materials around them, they simply absor...Viagra's hidden help for wildlife
... Western drug than vice versa. In fact, nobody had switched from a Western drug to a TCM treatment for impotence. "This was in contrast to their behaviour with the other three ailments - arthritis, indigestion and gout, where the men were more likely to be current users of a TCM treatment than a Western tre...Plant defenses prompt bacterial countermeasure in the form of 'island' DNA excision
...his genomic island also encodes enzymes that, when switched on, snip the DNA on either side of the island, resulting in the excision of the entire island from the genome. The researchers found that this excision occurs in response to a so-called hypersensitive resistance reaction by the plant . The specific p...Seal rookeries could provide a reliable food source for endangered California condors, study finds
...usands of cattle were brought here, so the condors switched their whole diet to cattle." The large cattle ranches disappeared within a few decades, once leaving the condors without a reliable food source. "After the cattle were gone, condors starting getting rarer and hence more valuable as collector's items......oloured spots showing which genes are expressed or switched on in the sample. "What we're trying to find out is, what's different in the superior frontal cortex [front of brain] when you compare alcoholics with controls, that's not different in a spared area of the brain," Dr Dodd said. "In that way we ca...Swiss researchers develop all-in-one remote control gene expression tool
...or the gene silencing via RNA interference--can be switched on or off at will. An all-in-one tool like this ?efficiently combining techniques that each previously required separate delivery ?will likely see wide use in genetic research and in clinical gene therapy applications. It is particularly applicable ...Mute swan population helps explain longstanding evolutionary question
... researcher Ann Charmantier. "Gradually the debate switched to an evolutionary point of view with a second, related question: Why is clutch size not evolving despite significant heritability and directional selection?" Many long-term studies of avian clutch size have looked for--but not seen-- an increase in...Cancer cells suppress large regions of DNA by a reversible process that can be tackled
...t to do now is determine if these same regions are switched off in other types of cancers". The team also hope that new cancer therapies, which can reverse DNA methylation, will restore the cell's normal regulation and treat and prevent cancer. ......ses and to infect new host cells. Those have to be switched on, and ZEBRA functions as the switch which turns the cell into a factory to manufacture thousands of copies of the virus." One result is the disease infectious mononucleosis ?called the "kissing disease" because EBV is transmitted in saliva ?whose...Salk researchers make fast strides towards understanding how our body controls walking
...p, each burst of motor neuron activity needs to be switched off. Switching off motor neurons more quickly, speeds up the stepping movements, allowing animals to walk, run, or swim faster. ...HIV vaccine takes different tack to boosting immune response
...mmune response. Dendritic cells in which SOSC1 was switched off were able to induce an effective long-term memory immune response to HIV. "In mice, we were pretty consistent in activating anti-HIV immune responses," said Chen. "In most cases, we found a significant enhancement in both antibody and T-cell res...Genes affecting blood pressure change as children become adults
... 18," says Dr. Snieder. "There are new genes being switched on that are involved in blood pressure and factors underlying blood pressure. I think that is the most interesting finding: the large amount of new genes that come into play." Even though the genes responsible for blood pressure regulation remain un...UC San Diego biologists solve plant growth hormone enigma
...family of auxin genes, and shows that each gene is switched on at a distinct location in the plant. Contrary to the current thinking in the field, the research shows that the patterns in which auxin is produced in the plant influence development, a finding that can be applied to improving crops. "The auxin...Attacking cancer's sweet tooth is effective strategy against tumors
...earchers suspected that was because the cells have switched to an alternative means of producing ATP, namely glycolysis, but it was not clear if the glycolytic and mitochondrial pathways were connected in this fashion. It appears the two pathways are reciprocally linked. Fantin and her colleagues found that...Pest control research leads to pain control discovery
...of the National Academy of Sciences. The discovery switched the focus of the research from "pest control to pain control." M. Eric Gershwin, chief of the Division of Rheumatology, Allergy and Clinical Immunology at the UC Davis School of Medicine and a distinguished professor of medicine, called the discove...Parkinson's disease mechanism discovered
...s involved in regulating trafficking could also be switched on to suppress alpha-synuclein toxicity in yeast cells. "Our findings indicated that this ER-to-Golgi trafficking pathway is intimately coupled to the pathology, although in humans there are likely others involved as well, given how many genes we fo...Rehydrate -- your RNA needs it
...ectly observe and measure how quickly the ribozyme switched forms and how the rates changed when various parts of the molecule were altered. The situation in ribozymes contrasts with what happens in protein enzymes, which repel water from their cores and rely on direct contact, rather than a network of hydr...Study links high levels of nitric oxide to infertility and sperm DNA damage
...nable to find the cut-off point at which NO levels switched from having a positive effect to having a negative effect. "This study indicates that infertile men have higher levels of sperm DNA damage and NO concentration in their seminal plasma compared to fertile men, and that the sperm DNA damage may be cau...Computational analysis shows that plant hormones often go it alone
...analysis revealed that surprisingly few genes were switched on by multiple hormones. And when more than one hormone did initiate a similar program, such as activating genes encoding proteins called "expansins" that loosen plant cell walls to allow for growth, the investigators found that they mobilized differ......gulatory sequences have changed. So the scientists switched the two genes' coding regions. Each gene then produced the other gene's protein. Mice born with the switched genes were essentially normal. That means the coding regions were interchangeable, and that evolu...Diabetes research takes wing thanks to long-lived fruit fly
...mann initially studied cancer in human cells, then switched to studying fruit flies because he felt that making findings important to human health would happen more rapidly using flies, then transferring the findings to people. He notes that the same molecular signals that control how cells divide in fruit fl...Mobile DNA part of evolution's toolbox
...yos to see whether and where the reporter gene was switched on. Sure enough, the gene was active in the embryos' developing nervous systems, as would be expected if the LF-SINE copy were regulating the activity of ISL1. The discoverer of mobile DNA elements, Barbara McClintock, suggested in 1950 that they ...Tastes great! Study shows brain's response to pleasing -- and changing -- tastes
... and when we did that the neurons we were studying switched their response," says senior author J. Wayne Aldridge, Ph.D., a research associate professor in the Department of Neurology at the U-M Medical School. "Pleasure has traditionally been one of the hardest problems for neuroscience to measure, but these...Honey bee genome holds clues to social behavior
... genes turn on, while others turn off. Genes are switched on and off by short strings of DNA that lie close ...tor latches into the binding site, the gene may be switched on. If the transcription factor breaks away from the binding site, the gene is switched off. To se...Hope for a more effective and less toxic cancer drug
..., explains, "Normally, the cell death machinery is switched on when damaged cells need to be removed. The failure of the machinery to be turned on when it should can lead to cancer. ABT-737 is a 'switch flicker' that kicks the cell death machinery into action. Much more remains to be done to assess the drug's...Seals protect brain, conserve oxygen by turning off shivering response on icy dives
...ve below the surface in frigid water, shivering is switched off, the study found. By shutting down the shivering response, a seal allows its body temperature to drop and achieves the benefits of hypothermia: a slower metabolism and lowered oxygen requirements which extends the dive time, Folkow said. T...Detailed 3-D image catches a key regulator of neural stem cell differentiation in action
...n, muscle and liver. In the nervous system Scp1 is switched off, enabling RNA polymerase II to efficiently transcribe information encoded by neuronal genes and driving the maturation of neural stem cells into specialized neurons. "Scp1 is an interesting twist on how genes can be regulated during developme......on until the right time. Such pathways are usually switched on and off by external stimuli that help cells res...This created cells in which the pathway was always switched on. We've known that Wingless contributes to blood differentiation, but didn't know how the signals ...Neuron cell stickiness may hold key to evolution of the human brain
...enes and DNA sequences that control when genes are switched on or off. In this study by comparing the entire genome of many organisms to that of humans we were able to identify a series of human-specific sequence changes that have a high likelihood of turning genes on and off." Homo sapiens share more th...Low levels of neurotransmitter serotonin may perpetuate child abuse across generations
...pieri and his colleagues studied females that were switched at birth between abusive and non-abusive mothers. That research showed that the offspring of non-abusive mothers were likely to become abusive themselves if they were raised by abusive mothers. That finding showed that the intergenerational transmiss...... of fossil fuels: the heating in the greenhouse is switched on. Furthermore the greenhouse can be ventilated to decrease humidity and reduce the temperature. Thanks to modifications and Van Ooteghem's new control system less energy is lost and excess heat is reused. This means that sustainable energy can be u...Turning a cellular sentinel into a cancer killer
...RNAi) that had been modified so that RNAi could be switched off by the antibiotic. The RNA interference technology was developed in collaboration with HHMI investigator Gregory Hannon at Cold Spring Harbor Laboratory. When the researchers reactivated p53 in the mice they found that the liver tumors complete......iation. During differentiation, specific genes are switched on while other genes are switched off. The genes that are activated during differentiation determine which type of cell the stem cell ...Scientists unlock secret of what makes plants flower
... The FT protein is produced when the FT gene is switched on by another gene known as CONSTANS. This is a key gene expressed in leaves which reacts to changes in day length. Dr Colin Turnbull from Imperial College London's Division of Biology, who carried out the research, said: "This could be a really ...Birth rate, competition are major players in hominid extinctions
...enced the same reduction in large animal game, but switched to also fishing, snaring small mammals like rabbits and capturing turtles and birds. "Rather than being a specialized large mammal predator, modern humans would eat anything they could get their hands on. They eked out a living even if it meant e......ch for their target. The visual display screen was switched off at various time intervals either before or after the subjects' eyes landed on the target. When the on-screen image was hidden immediately after the subjects' eyes had landed on the target, the subjects often believed they were just guessing where...... regions of COX4, they found that the HIF-1 sensor switched on COX4-2 activity when oxygen is low. And they learned that because COX4-1 already is in the mitochondria, the swap for COX4-2 occurs when the sensor turns on yet another gene that produces an enzyme to specifically chew up COX4-1. Engineering human...Other ContentsblastblastcountcountcountcountcountcountcountfullfullfullfullfullfullfullfullfullfullbotanybotanybrainbrainbrainbrainbrainbrainbrainbrainbrainbraincapacitationcancercancercancercancercancercancercancercancercancercancerOther TagsAttaAttaAttaAttaAttauncovereProjecProjecProjecProjec
(Date:5/15/2008)...ng-held assumptions, high-salt diets may not incre...from the Albert Einstein College of Medicine of Ye...ter examining dietary intake among a nationally re...tein researchers actually observed a significantly...se (CVD) associated with lower sodium diets. They ...
(Date:5/15/2008)...ional Laboratory has signed a memorandum of unders...ory (SRNL) to collaborate on nuclear energy and en...t of critical U.S. Energy Department (DOE) needs a...OU allows Argonne to remain a leader in nuclear en...d. "Argonne has the nation,s largest concentration...
(Date:5/15/2008)...una aggregate under floating objects, such as leng...ine mammals. There is still no full explanation fo...s have seen purse-seine fishery operators take adv...ishermen cast off floating rafts equipped with buo... deployed in a wide arc on either side of the vess...
(Date:5/14/2008)...nux, Security, and Low Power ...wswire/ -- Silex Technology today announced,the SX...ned for connecting,devices that require low power ...works (WLANs). It is ideal for mobile OEM applicat...r usage, such as battery-operated,portable devices...
Breaking Biology News(10 mins):New study casts further doubt on risk of death from higher salt intake 2Argonne-SRNL agreement supports critical DOE, national priorities 2Does fishing on drifting fish aggregation devices endanger the survival of tropical tuna? 2Does fishing on drifting fish aggregation devices endanger the survival of tropical tuna? 3New Silex SX-560 Enables Enterprise 802.11 Wireless Connectivity for Battery Operated Devices 2Providence Service Corporation Announces 35 25 Revenue Growth with Third Quarter Results 3B Increases Revenue Guidance for 2007 5714 1Providence Service Corporation Announces 35 25 Revenue Growth with Third Quarter Results 3B Increases Revenue Guidance for 2007 5714 2Providence Service Corporation Announces 35 25 Revenue Growth with Third Quarter Results 3B Increases Revenue Guidance for 2007 5714 3Providence Service Corporation Announces 35 25 Revenue Growth with Third Quarter Results 3B Increases Revenue Guidance for 2007 5714 4Providence Service Corporation Announces 35 25 Revenue Growth with Third Quarter Results 3B Increases Revenue Guidance for 2007 5714 5Providence Service Corporation Announces 35 25 Revenue Growth with Third Quarter Results 3B Increases Revenue Guidance for 2007 5714 6Providence Service Corporation Announces 35 25 Revenue Growth with Third Quarter Results 3B Increases Revenue Guidance for 2007 5714 7Providence Service Corporation Announces 35 25 Revenue Growth with Third Quarter Results 3B Increases Revenue Guidance for 2007 5714 8Providence Service Corporation Announces 35 25 Revenue Growth with Third Quarter Results 3B Increases Revenue Guidance for 2007 5714 9Providence Service Corporation Announces 35 25 Revenue Growth with Third Quarter Results 3B Increases Revenue Guidance for 2007 5714 10PharmAthene to Webcast its Third Quarter Conference Call on November 13 2007 at 4 3A30 P M Eastern Time 780 1PharmAthene to Webcast its Third Quarter Conference Call on November 13 2007 at 4 3A30 P M Eastern Time 780 2AtriCure Reports Third Quarter 2007 Financial Results 5711 1AtriCure Reports Third Quarter 2007 Financial Results 5711 2AtriCure Reports Third Quarter 2007 Financial Results 5711 3AtriCure Reports Third Quarter 2007 Financial Results 5711 4AtriCure Reports Third Quarter 2007 Financial Results 5711 5AtriCure Reports Third Quarter 2007 Financial Results 5711 6AtriCure Reports Third Quarter 2007 Financial Results 5711 7AtriCure Reports Third Quarter 2007 Financial Results 5711 8AtriCure Reports Third Quarter 2007 Financial Results 5711 9ARCA Discovery Announces Data Demonstrating Potential for Bucindolol as Targeted Therapy in Heart Failure Atrial Fibrillation and Ventricular Arrhyt 776 1ARCA Discovery Announces Data Demonstrating Potential for Bucindolol as Targeted Therapy in Heart Failure Atrial Fibrillation and Ventricular Arrhyt 776 2ARCA Discovery Announces Data Demonstrating Potential for Bucindolol as Targeted Therapy in Heart Failure Atrial Fibrillation and Ventricular Arrhyt 776 3ARCA Discovery Announces Data Demonstrating Potential for Bucindolol as Targeted Therapy in Heart Failure Atrial Fibrillation and Ventricular Arrhyt 776 4ARCA Discovery Announces Data Demonstrating Potential for Bucindolol as Targeted Therapy in Heart Failure Atrial Fibrillation and Ventricular Arrhyt 776 5[0] New study casts further doubt on risk of death from higher salt intake[1] Argonne-SRNL agreement supports critical DOE, national priorities[1] Does fishing on drifting fish aggregation devices endanger the survival of tropical tuna?[1] New Silex SX-560 Enables Enterprise 802.11 Wireless Connectivity for Battery Operated Devices
(Date:5/16/2008)...ew study being presented at the American Society o...4020), may change treatment practice in about 25 p...sis for proposed changes to the way colorectal can...ational Cancer Institute (NCI) SEER population-bas...se III clinical trial data, shows that outcomes of...
(Date:5/16/2008)...ll fibroids located just beneath the lining of the...e endometrial cavity after uterine artery emboliza...ons, according to a new study. , The study incl...n MRI examination before and after UAE. The study ...33% migrated to the endometrial cavity after UAE, ...
(Date:5/16/2008)... Live Web Cast Scheduled for May 19 at 10:15 a.m....tCall/ - Response Biomedical,Corporation (TSX: RBM...,Chief Executive Officer, is scheduled to present ...re Conference on Monday May 19th at 10:15 a.m.,EDT...ailable on the Company,s,Web site at, http://www.r...
(Date:5/16/2008)... help docs determine who would benefit most from c...Y, May 16 (HealthDay News) -- A panel of 15 genes ... non-small cell lung cancer will experience a recu...therapy, a new study shows. , By extension, th...s with less aggressive forms of the cancer who wou...
Breaking Medicine News(10 mins):Health News:Response Biomedical Corporation to Present at Rodman & Renshaw 5th Annual Global Healthcare Conference 2Health News:Gene Signature May Predict Recurrence of Lung Cancer 2Health News:Gene Signature May Predict Recurrence of Lung Cancer 3[0] New method proposed for determining which patients should get treatment for colorectal cancer[1] Fibroids common, but women have options[0] Response Biomedical Corporation to Present at Rodman & Renshaw 5th Annual Global Healthcare Conference[0] Gene Signature May Predict Recurrence of Lung Cancer
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