Research team develops nonhuman primate model of smallpox infection
...eveloping an animal model of smallpox that closely resembles human disease, which will be necessary for testing of future vaccines and potential treatments. The study, published in this week's online early edition of Proceedings of the National Academy of Sciences , is the first to demonstrate that variola vi...World's top theoretical physicists converge to consider 'future of physics'
... The footprint of the original two-story structure resembles a squat capital "E," with the top and bottom horizontal lines representing corridors with offices on both sides and the vertical a thicker block which houses the two-story auditorium at one end and the tower at the other. In place of the middle ba...Darwin's greatest challenge tackled: the mystery of eye evolution
...," Platynereis dumerilii, a marine worm that still resembles early ancestors that lived up to 600 million years ago. Arendt had seen pictures of this worm's brain taken by researcher Adriaan Dorresteijn (University of Mainz, Germany). "When I saw these pictures, I noticed that the shape of the cells in the wor...Mayo researchers define celecoxib pathways and mechanisms for tumor reduction
...e study employed a mouse model system that closely resembles spontaneous breast cancer progression and metastasis in humans. "The MTag mouse model for human metastatic breast cancer is a helpful and important model in which to evaluate therapeutic strategies and to understand the mechanisms associated w......leader of the research group, said, "A horse's leg resembles a pogo stick that uses energy stored in the muscles and tendons to propel the animal forwards and upwards. We have found that the stiffer a horse's leg restricts how quickly it can transmit force to the ground and bounce back up again and also increa...Tiny plant a model for commercially important trees
...utive size, Arabidopsis produces wood that closely resembles that produced by commercially important trees species such as poplar and pine. "The Arabidopsis genome contains about 25,000 genes. Figuring out which ones are required for a plant to produce wood is the challenge we face," Beers said. Gr...Stem cells may hold promise as multiple sclerosis cure
.... While EAE is not the same as MS, it closely resembles the disease in many ways, including disease progression, lesions and behavior, according to Dr. Politi. "The result in damaged tissue is very much the same," Dr. Scotti said. "Since the stem cells try to repair the damaged tissue, the model ...Efforts to clone primates move forward
...st stage, a developmental step in which the embryo resembles a hollow, fluid-filled cavity surrounded by a single layer of cells. Called the inner cell mass, this layer contains embryonic stem cells. Growth of a cloned nonhuman primate egg to the blastocyst stage is farther along the developmental spectrum tha...MIT creates new model of cancer syndrome
...arch have developed a new mouse model that closely resembles Li-Fraumeni Syndrome (LFS) in humans, a syndrome that predisposes those affected to a broad range of cancers. Some 95 percent of LFS patients develop cancer by age 65. The work could not only lead to a treatment for LFS, but could also aid the develo...Suspect protein found to play protective role in chronic lung disease
...es adenosine itself causes damage in the lung that resembles that seen in chronic lung diseases such as asthma, chronic obstructive pulmonary disease (emphysema, for example) and pulmonary fibrosis. Understanding adenosine and its interaction with the four types of receptor is critical to determining its role ...An invasion of cheats: The evolution of worthless nuptial gifts
... edible gift or an inedible cotton ball token that resembles tokens given by other empidid fly species. The researchers found that although pairs copulated longest after presentation of a large edible gift, the females receiving the worthless cotton ball token were sufficiently tricked to allow males to copula...Tips from the journals of the American Society for Microbiology
...o result in the fulminant form of the illness that resembles SIDS." (M. Nevas, M. Lindstrom, A. Virtanen, S. Hielm, M. Kuusi, S.S. Arnon, E. Vuori, H. Korkeala. 2005. Infant botulism acquired from household dust presenting as sudden infant death syndrome. Journal of Clinical Microbiology, 43. 1: 511-513.)...How do cells travel through our bodies?
...e, so the head and spine remain open. This closely resembles Spina bifida, a condition that leads to severe disabilities in humans and is frequently fatal. The Monterotondo group showed that n-cofilin has to be present for neural crest cells to be untied from their neighbors and to crawl away. "This gives us...'Moss in space' project shows how some plants grow without gravity
...urned at a slow spin on a clinostat a machine that resembles a record turntable placed on its edge, and is used to negate the effects of gravity. On earth gravity controls the direction of moss growth so thoroughly that it grows straight away from the center of the earth, just like shoots in a field of corn. I...Man and mouse share genome structures
...NA spooled around bundles of histone proteins, and resembles a chain of beads which is then compressed into a working chromosome. Chemical tags placed on the histones alter the way chromatin is organized, thus allowing the right combination of genes to be turned on. In their study, the researchers analyzed th...Opposing fat metabolism pathways triggered by a single gene
... increases fat content. In its function, nhr-49 resembles a mammalian NHR, called peroxisome proliferator-activated receptors (PPARs). Further investigation of this link may lead to better understanding of the functions of PPARs and provide opportunities for altering their function for treatment of fat meta...New species of coral discovered off southern California
...e it grows to a height greater than two meters and resembles pink, white and red flocked Christmas trees. The complete scientific Greek name for the new coral is Antipathes dendrochristos. The word for black coral is "Anti" for against, and "pathos," for disease, a reference to the fact that black coral amule...New monkey species name to be auctioned
... back and forth while clutching each other in what resembles a human embrace....Tailing the cause of a rare heart disease
...c machinery for cardiovascular development closely resembles that of mammals. In their experiments with the fish, they used antisense genetic techniques to reduce the fish's production of eya4 protein and measured the resulting changes to the heart. The treated fish developed swelling of the heart ventricle th...Tiny scaffolding allows stem cells to become working fat cells
...nies. "The PET fibers are spun out onto a mat that resembles the intracellular matrix that bonds cells together in normal tissue. The fibers are about the size of a collagen fiber, several nanometers (a billionth of a meter) across, and provide tensile strength to support the growing tissue," Kniss said.The re...