Mechanical tension helps shape lung development
...ix. Ingber's team put lungs from embryonic mice in culture and exposed them to various chemical agents that stimulate or inhibit Rho's activity. In normal mice, photographs taken every 12 hours as the lungs grew showed each bud enlarging until a cleft formed in its tip, pinching it into two or three new buds...Scientists rid stem cell culture of key animal cells
...r cells were an important ingredient in the mix of culture materials required to keep stem cells in their und...ell-conditioned medium." "It is important that the culture of human ES cells be simplified so that the average scientist can use them without extensive prior t...Symposium explores opportunities presented by US re-entry into UNESCO
...ciate Members in the fields of education, science, culture and communication. "UNESCO: Opportunities Upon U.S. Re-entry" will take place on Saturday, February 19, from 2-5 pm at the Mariott Wardman Park Hotel as a component of the AAAS focus on international science that day. Expected attendees include repr...Scientists find both damage and promise for renewal in devastated Iraqi marshlands
... since the future of the 5,000-year-old Marsh Arab culture and the economic stability of large portions of so...a refuge for the self-sustaining Marsh Arabs. That culture has long fished and raised water buffalo in close harmony with its environment, living on artificial...An evolutionary road less traveled
...ended from the ancient Hoabinhian huntinggathering culture of Southeast Asia. But, in a new study published in the freely-available online journal PLoS Biology , Mark Stoneking and colleagues reveal that the Mlabri are actually descended from farmers, who subsequently reverted to a huntinggathering lifestyl...Individual differences in taste perception directly related to genetic variation in taste receptors
...itions on the taste receptor protein. In the cell culture experiments, small amounts of the bitter compounds...ounds, confirming the lack of response in the cell culture experiment. These data implicate the responsive PAV haplotype as a major determinant of sensitivity ...Clemson's Burg brings 'Era of Hope' to breast cancer research
...rature: lack of suitable three-dimensional tissue culture models," Burg said. "Until now, we've been largely limited by two-dimensional models, which don't accurately reflect cell behavior in the human body." A three-dimensional test bed comprised of human cells will help researchers: decipher cell-to-ce...Kids with chronic illness face difficult transition to adult care
...ressure on adult medicine." Doctors liken it to a culture clash, as adolescents and families adjust to a very different style of health care. Young patients must say goodbye to the physicians they trust and who often took a team approach to their care by incorporating the opinions of many specialists to opt...Bugs, even 'bad' ones, can be educationally beneficial, new book says
...list Leopold Trouvelot brought them to use in silk culture experiments. A few escaped as caterpillars and their descendants thrived, leading to rampant defoliation 20 years later. Such destruction has led people to devise various methods to exterminate bad bugs. "The least creative way to get rid of bad bugs...New way to make human embryonic stem cell therapy safer
...USA) used a sterile protein matrix to generate and culture embryonic stem cells. A new stem cell line was der...e the safety and quality of cells. Identifying all culture constituents meeting Good Manufacturing Practice is now an important challenge for those who derive ...Survivors to revisit the polio scare
...ns of Children's Hospital Boston were the first to culture poliovirus in a variety of tissues under primitiv...hildren's Hospital Boston, reported the successful culture of poliovirus in quantity in a variety of tissues, earning them the 1954 Nobel Prize in Medicine. ...New class of tuberculosis-fighting antibiotics suggested by biochemical-pathway study
... found that phenothiazines killed the bacterium in culture and suppressed its growth in mice with acute TB in...is biochemically active against the TB bacteria in culture and in small animals." Is it a new drug for tuberculosis? Not yet, cautions Rubin. It's premature to...Understanding biological foundation of human behavior critical to improving laws
...ors or that their brains are blank slates on which culture and only culture is written. The reality is much more complicated and can only be appreciated with a deeper understan...New lab technique identifies high levels of pathogens in therapy pool
...reported. Health inspectors typically capture and culture microorganisms found in such environments to assess the number of pathogen species, an approach that misses many airborne bacteria that are difficult to grow in a lab environment. The new approach allowed researchers to survey more than 1,300 riboso...Advances in the characterisation of the oyster mushroom genes
...responsible for this activity and investigated the culture in which each of these genes expresses itself. Five genes of one family The PhD work resulted in the isolation of five genes of the oyster mushroom, of the Florida variety, and the expression thereof giving rise to different cellobiohydrolases, thu...From lobster flock to lobster feast?
...t to make breakthroughs that will help to make the culture of this species a reality, " she says. Spiny lobster is an ideal target for commercial culture due to its high value and limited availability from wild capture, mostly using traps. Each year, 3 t...Men and women: The differences are in the genes
... model. Although this data was collected from cell culture experiments, it may have implications for counseling individuals with X chromosome abnormalities, which accounts for about one in 650 births. It also explains that there is more variability among females than scientists thought. The data also suggest...No serious adverse events found with next-generation smallpox vaccine
...tenuated smallpox vaccine that is produced in cell culture from vaccinia virus that has been attenuated, or modified, so that it can initiate an immune response without causing serious adverse effects. Derived from the Lister strain of vaccinia, LC16m8 has been licensed in Japan since 1980 and forms the basi...Food preservative neutralizes anthrax spores
...a control group were able to germinate and grow in culture and cause lethal infection in mice, the treated spores remained dormant and caused no apparent disease. The next step for the researchers is to formulate a delivery system. One that appears to have promise is an impregnated wipe. A similar produc......ddition, ATBF1 was found to inhibit cell growth in culture dishes. A tumor suppressor gene is a gene whose loss of function contributes to the development of cancer. ATBF1 is a transcription factor (regulator of gene expression) that functions to regulate the expression of other genes. If its function is imp...