Study finds direct association between cardiovascular disease and periodontal bacteria
...her the likelihood of a thickened carotid artery," added Papapanou, whose laboratory performed the periodon...n dental plaque. If so, the finding would provide added specificity to strengthen the case for the association. "After re-analyzing the data, we found, w...New stem cell source could boost bone marrow success
...r research indicates that infusing the marrow with added mesenchymal stem cells can increase the transplant success rate. "Mesenchymal stem cells can leave the marrow during injury and actually home to the tissue which is damaged," says Davies. "This is why these cells are very important to us in an ongo...Family trees of ancient bacteria reveal evolutionary moves
...m whole genome sequences. Additional species were added to the tree using ribosomal RNA genes. Morphological characters, for instance, the presence or absence of a sheath, unicellular or filamentous growth, the presence or absence of heterocysts a thick-walled cell occurring at intervals were coded and ...Falling ants glide back to trunk to avoid dangers of forest floor
...g to a whole Pandora's Box of gliding arthropods," added Kaspari. "Steve, Robert and I right now are exploring how pervasive such directed descent might be we are, in fact, finding it in a variety of wingless arthropods that glide in using a variety of techniques. Plummeting to the earth may be the except...Research focusing on why estrogenic hormones produce differing results
... Schultz and postgraduate researcher Larry N. Petz added fuel to the argument that the long-held model for how an estrogen receptor binds to DNA and, in turn, regulates gene transcription is need of retooling. Nardulli's team has found four discrete regions of the human progesterone receptor gene that conf...The BIOS Initiative - open source biotechnology is born
...ies for patent system reform. CAMBIA has also just added theINPADOC patent status database to its free online service, now allowing any searchers to know the dynamic status of patent applications and patents in over 40 countries. "Thisexpansion is part of our ongoing effort to restore transparency and trus...UCLA scientists transform HIV into cancer-seeking missile
...line edition of Nature Medicine . The scientists added the protein that makes fireflies glow to the virus...der to track the carrier's journey, the scientists added luciferase the protein that makes fireflies glow to the AIDS virus. They injected the camouflaged...Study methods, strains of Pfiesteria are both critical in determining organism's toxicity
...ents showed that purified Pfiesteria toxin residue added to cultures of larval fish killed the fish, while control fish without exposure to the toxin remained healthy. In the study, two basic methods of detecting Pfiesteria toxicity were compared: fish microassays (FMAs) using larval fish, and standardize...Alcohol's effects on gene expression in the central nervous system
... and repeated withdrawals." Collectively speaking, added McBride, findings presented at the symposium demon...es for different subgroups of alcoholics." McBride added that, despite recent advances, researchers need further developments in microarray technologies and ...Study links Ebola outbreaks to animal carcasses
...ads are barely usable and communications limited," added Karesh. "Conservation organizations such as WCS are therefore critical to the early detection of the conditions that can lead to deadly health emergencies."...AAAS honors recombinant DNA advisory committee at NIH, citing 30 years of leadership
...fe use of this promising but unproven technology," added Mark Frankel, director of the AAAS Scientific Freedom, Responsibility and Law program. The RAC criteria were first set forth in Guidelines published in 1976 and they continue to be revised periodically. "Because the RAC carries out its work at open m...New DNA studies verify existence of three right whale species
...right whale, a total of 14 diagnostic markers were added to the existing three mitochondrial markers. Together, the datasets combined along with other analytical procedures provided researchers with the most definitive evidence for North Pacific right whales as a species. This combination of evidence was ...American Chemical Society meeting March 13-17 features wide variety of new research
...or law enforcement investigators A soluble fiber, added to foods, which may prevent Type 2 diabetes, lower cholesterol Environmental issues facing California and the San Diego area Exploring the chemical enterprise in the year 2015 A free, hands-on Spanish-language science program for Hispanic children...Educators in Pennsylvania and North Carolina earn top 2004 Mentoring Awards from AAAS
...ional careers." Former student Laura Novak, Ph.D., added that Hughes "is acutely sensitive to the difficulties of graduate school in the mathematical sciences, particularly those encountered by women with liberal arts backgrounds." Hughes earned her Ph.D. in Mathematics from the University of Illinois at ...Discovery offers cancer prevention, diagnosis, treatment hopes
...ult stem cell stage and then go cancerous." Trosko added that there are many benefits to working with adult stem cells, as opposed to embryonic stem cells. "In particular, we're able to bypass the ethical, religious, legal and political issues that are raised when we talk about embryonic stem cells," he sa...Methodist, UH system joining forces for biomedical research, clinical care
...ve relationship is unlike any other in the state," added Vailas. "This will lead to more efficacious patient care and increases the probability of making greater discoveries that can be applied to medical care through our joint ventures in clinical and basic research." The affiliation between UHS and TMH ...Worms, slugs inspire robotic devices
...on," Chiel explained. The current prototype can be added to existing medical endoscopes. Eventually, the device may be miniaturized and equipped with sensors that enable it to work autonomously and self propelling. According to Chiel, the research team will also be working to make the device more flexible,...Robots walk with close-to-human efficiency
...ers, who carefully researched gliders, then simply added a motor to achieve powered flight. The robot work was done primarily to study the biomechanics of human locomotion, but it could have applications in practical robotics. Collins, now at the University of Michigan, already is applying some of what he ...California researchers help map human genetic variation across populations
...ay be extremely useful for geneticists worldwide," added ICSI's Halperin. "They could choose to sequence a small subset of SNPs in each region, and use the high correlations between the different SNPs in order to predict the SNPs that were not sequenced." The HAP study found substantially more blocks in ......man leukemia, too," says Caligiuri, "so that gives added merit to our mouse model as an investigative tool." Using data from the methylation studies, Caligiuri and Plass were able to identify a particular stretch of DNA, called Id4, as a tumor suppressor gene. Tumor suppressor genes help control cancer b...