Gene screen for breast cancer better than pathologist's 'eye'
...cancer-detection rates of their QM-MSP test versus microscopic review by a pathologist on breast fluid samples. The fluid samples, taken from high-risk women or those diagnosed with breast cancer, were obtained through a process called ductal lavage, a saline wash via a catheter threaded through openings in the...Report warns about carbon dioxide threats to marine life
...temperatures cause the coral to expel the colorful microscopic algae that provide the coral polyps with food. Many calcifying organisms--including marine plankton such as pteropods, a planktonic marine snail--are affected by the chemistry changes. Shelled pteropods are an important food source for salmon, mack...Eighty below and loving it: Montana State University scientists to get new cold lab
...commercially available - contains no more than 100 microscopic particles per cubic foot of air. An average office contains 500,000 to 1,000,000 particles per cubic foot. The facility will also house a cold observation lab, where students can watch sub-zero experiments through windows while still in the comfor...Key to early diagnosis of autism may be in the placenta
...am identified trophoblast inclusions by performing microscopic examinations of placental tissues. "We knew that t...Trophoblast inclusions reflect abnormal folding of microscopic layers in the placenta and appear to result from altered cell growth. Kliman likened the presence of...Race plays a key role in prostate cancer survival rates
... which defines the severity of the cancer based on microscopic analysis. Only two factors - race and the pre-treatment PSA score were shown to have a significant effect on whether the patient survived and for how long. "One of the reasons why the survival rate may be better among Japanese American men with a P...Bone marrow may restore cells lost in vision diseases
...male, albino recipients, Harris said. Chemical and microscopic analysis showed the cells that traveled to the injury site and transformed into RPE indeed had male genetic characteristics. Furthermore, these cells were capable of producing pigment - a colorful indication that the RPE could only have arisen from t...Worms hold clue to link between cancer and ageing in humans
...ed cells from dividing, also determine lifespan in microscopic worms. The findings raise the question of whether genetic variations in specific proteins in humans may protect some people from age associated diseases, while placing others at heightened risk of cancer. In the study, which received funding from the...Worm links cancer risk to ageing
...ed genetically removing checkpoint proteins in the microscopic worm C. elegans. By doing so, the researchers caused a 15-30% increase in the worm's lifespan. "Given the role that checkpoint proteins play in the development of cancer or in causing tumours when the proteins are defective the findings raise the q...Proteins linked to cancer prevention in humans affect aging in worms
...genetically eliminating checkpoint proteins in the microscopic worms. This caused a 15 30% increase in their lifespan. Given the role that checkpoint proteins play in preventing the development of cancer (or in encouraging it when the proteins are defective), the findings raise the question of whether genetic v......ng at the structures and organelles in cells using microscopic methods, and then drawing conclusions about their function. Biochemical methods have allowed scientists to examine the inner life of the cell, an organisational unit basic to all life. Now, they are clarifying its structures in detail: from mitochond...Algae's protein 'tails' create motion and aid munching
... for Volvox would quadruple, too, as it grows. Yet microscopic organisms such as volvocines get nutrients through diffusion, a process by which bits of food bump into the cell and pass through the cell membrane. Doubling the radius of the colony doubles not quadruples the colony's food intake rate. So a large ...Nobel Laureate Nsslein-Volhard to discuss mysteries of genetics
...ology that reveals the miraculous processes in the microscopic world of cells. Looking back at decades of fascinating discoveries, she also brings up many important issues relating to historical and contemporary questions in science. In addition, she provides the reader with the latest research about embryonic...Microbes hitchhike across Atlantic on desert dust
... way from Africa to the Americas by hitchhiking on microscopic dust particles kicked up by storms in the Sahara, according to research presented today at the 106th General Meeting of the American Society for Microbiology in Orlando, Florida. "This study presents evidence of early summer survival and transport o...DOE JGI finishes 100th microbial genome
...ia, Archaea, and even the Eukaryota, which include microscopic fungi, plants, and animals. The 100th microbial genome, a project originally proposed by Dr. Kevin Sowers of the Center of Marine Biotechnology at the University of Maryland Biotechnology Institute (UMBI), is Methanosarcina barkeri fusaro, a methan......ecules. Brownian motion can be harnessed to create microscopic motors that are driven by molecular battering (for a recent example of an experimentally realized Brownian motor see Phys. Rev. Lett. 96, 190602 (2006), http://link.aps.org/abstract/PRL/v96/e190602 ). Now researchers at Hasselt University in Belgium...Giant deep-sea tubeworm's meal ticket comes in as a skin infection
...us volcanicsoup in which they both thrive. But the microscopic larvae of these giantsare born bacteria-free, with a completedigestive system. Juveniles swim, hunt, andeat before permanently settling down andtaking up with their microbial partners. Nowthe idea that the larvae acquire theirsymbionts by eating them...ACS weekly press package — May 1st, 2006
...rtilization? Sperm are notorious for turningtheir microscopic heads and changing directions during their journey towardthe egg. Research shows that sperm turn in response to chemical signals, aprocess termed chemotaxis, and even have their own olfactory receptors.Those signals may play key roles in the fertiliz...Researchers look to nature for design inspiration
... By carefully controlling the types of stimuli the microscopic worms are exposed to via an intricate micro chip w... jaws to allow them to compare species and see the microscopic architecture that reinforces the jaws while the fish crush their prey. Using a technique commonly us...Collaborative study successfully applies neutrons to study hydrogen transfer in biological systems
...ctures and complements X-ray diffraction and other microscopic studies. However, unlike X-rays, neutron scattering can detect heavy and light elements equally well and even sense vibrations of atoms as well as their positions. An accelerator generates neutrons by driving an intense beam of particles, usually pr...... it stemmed from the fat cells themselves. Indeed, microscopic images of white fat tissue taken from the mutant mice revealed a marked increase in collagen, with levels elevated by more than 10-fold. Further in vitro study of preadipocytes confirmed that normal fat formation within the context of a 3-dimensional...