A stepwise retreat: How immune cells catch pathogens
...of proteins called actin. The filaments constantly grow and shrink by adding or removing individual actin building blocks. But the dynamic properties of the filopodia and the mechanical forces that they can apply are not fully understood. Using a special microscopy technique a team of researchers from the...Kaposi sarcoma arises independently from multiple cells
...arcoma is unique among cancers because most tumors grow from a small number of different cells, whereas nearly all other cancers arise from a single cell, according to a study published online July 10 in the Journal of the National Cancer Institute . Kaposi sarcoma, which is often associated with AIDS...Aphids make 'chemical weapons' to fight off killer ladybirds
...ether or not they develop wings. Those aphids that grow wings see a rapid decline in the amount of glucosinolates they store from the time wing buds start to develop. Dr Glen Powell from Imperial College Londons Division of Biology, one of the papers authors, explains: Our study seems to show that aphi...The new wildlife refuge -- Golf courses?
...adpoles have advantages in permanent ponds and can grow larger and more powerful, nudging out other species. By drying golf course ponds in the early fall, the tadpoles can be eliminated, while other species of amphibians survive and thrive....Fat horses face health problems
...ssociated laminitis cases that led Dr. Pleasant to grow curious and seek the collaboration of Dr. Thatcher, an internationally renowned veterinary nutritionist, on the innovative research project. Dr. Ray Geor, the Paul Mellon Distinguished Professor of Agriculture in the College of Agriculture and Life ...Tomorrow's green nanofactories
...r and electronic materials, she is coaxing them to grow and self-assemble nanomaterials into a functional ...als, Belchers nanofactories generate little waste, grow at room temperature, and promise to be inexpensive and largely biodegradable. Does all this sound...UF scientists work to develop simple bladder cancer test
...Imagine the bladder like a balloon, and the tumors grow into the interior of the balloon, Goodison said. So the surgeons go in and want to be as least disruptive as possible, so they nip these growths off from the inside, but unfortunately once its happened its very likely going to happen again -- once yo......NA from three of the four most common plants which grow in the area. That means that, what one finds under the ice, represents the local environment explains Eske Willerslev. In the base layer sample from the GRIP drilling, from the middle of the Greenlandic ice sheet, there were no DNA remains at all- ...Link between immune system and mammary gland could shed new light on breast cancer
...hat respond incorrectly to cytokine signalling can grow out of control and become cancerous. When the body needs to fight infection it makes specific cells that respond to the invading organism. These cells are either T helper Type 1 to fight a virus or T helper Type 2 to attack a parasite. Once made ea...New medical implants should react with the body, not seek to be inert
...res that encourage small blood vessels to actively grow through the implant, or implants coated with DNA that specifically prevents formation of the collagenous capsule. Both of these let the implant and the body actively work together, rather than simply try to prevent them fighting against each other....Effective new biodiversity data access portal
...rtal, the GBIF network of data providers is set to grow dramatically, from hundreds to thousands of institutions. GBIF makes the Portal and its extensive capabilities and services, as well as software for data providers, freely available. Civil society, countries and organisations are invited to utilis...Endometriosis increases the risk of certain cancers
... the immune system that allow the endometriosis to grow and also might allow cancer cells to grow in different parts of the body. Maybe the treatment of endometriosis, hormonal or surgical, can infl...Support for chromosomal theory of cancer found in cancers' development of drug resistance
...d the cancer suddenly stop responding and begin to grow again. In a paper responding to Duesberg's in the same issue of Drug Resistance Updates, Tito Fojo of the National Cancer Institute argues that there are many ways in which the mutation theory of cancer can explain drug resistance. A gene mutation,...Researchers find gene that spurs development of the epididymis
... is about 13 days old, the Wolffian duct begins to grow and differentiate into the plumbing system connecting testes and vas deferens. This normally occurs in males shortly after testosterone levels begin their increase. But in the embryos Tomaszewski had found, the epididymis did not follow the standard ...American Chemical Society's Weekly PressPac -- June 20, 2007
... and other non-food supplies, a figure expected to grow by more than 6 percent annually. Written by C&EN associate editor Rachel A. Petkewich, the article describes how global pharmaceutical companies, best known for making medicines for humans, have animal health divisions that are devoting more effo...Gut check: Tracking the ecosystem within us
...vironment, and thus are difficult or impossible to grow in culture in the lab. So the researchers turned to DNA microarray technology. That technology, developed by Brown in the 1990s, allows researchers to simultaneously measure the presence or activity of thousands of genes. The team used microarrays to...Omega-3 fatty acids protect eyes against retinopathy, study finds
...ase in which blood vessels swell and leak fluid or grow abnormally on the surface of the retina, and age-related macular degeneration (AMD), a disease of the macula, the part of the retina responsible for central vision, and a leading cause of vision loss in Americans 60 years of age and older. The res...Researchers isolate new risk marker for overweight children
...risk, particularly in our young population as they grow older."...Mathematics reveals genetic pattern of tumor growth
... die. The scientists found that cancerous tumors grow best when they are very unstable in early stages of development and become stable in later stages. In other words, tumors thrive when cancerous cells mutate to speed up malignant transformation, and then stay that way by turning off the mutation rate...International team to honor 30th anniversary of deep-sea vent discovery in Galpagos
... fastest-growing marine invertebrate known, it can grow to six feet, lacks a mouth and digestive system, and survives thanks to a symbiotic relationship with bacteria. "A recent ChEss-related discovery led by a research team from the University of Bremen, Germany, was that of shrimp and other animals liv...