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Tag: "cells" at biology news

Circles Of DNA Might Help Predict Success Of Stem Cell Transplantation

...ssfully restore a population of infection-fighting cells called T lymphocytes in a child. This research, by...tion. Moreover, if the transplant is successful, T cells arising from donated stem cells will be available to launch attacks on the patient's cancer cells--t...

GenMAPP 2.0 released

...balance. Traditionally viewed as supportingactors, cells known as glia may be essential for the normal developmentof nerve cells responsible for hearing and balance, according to newUniversity of Utah research. The study is repor...

UCLA scientists transform HIV into cancer-seeking missile

...thes enables it to hunt down metastasized melanoma cells in living mice, reports a UCLA AIDS Institute stud...ective carrier and reprogram it to target specific cells in the body." The UCLA team employed a two-step approach to transform HIV into a cancer-seeking mac...

First real-time view of developing neurons reveals surprises, say Stanford researchers

...g new technology for the first time to watch these cells develop, a team of researchers at the Stanford University School of Medicine found that neurons come into this world with a good idea about what they'll become as adults. The work, which is detailed in a paper in the March 24 issue of Neuron, took p...

Estrogen-like Component of Plastic Stimulates Growth of Certain Prostate Cancer Cells

...ry 1 issue of CancerResearch, such prostate cancer cells proved to be vulnerable toexposure to the chemical...rmone sensitizing?ability of BPA inprostate cancer cells from studies on animals. It is also important tonote that our study demonstrates that the actual dos...

Novel ultrafast laser detection of cancer cells also may improve understanding of stem cells

...ime, high-throughput identification of liver tumor cells at their earliest stages, and without invasive che...e technique generates a laser beam in single human cells pumped from a flask through tiny microchannels. The beam is altered by what it encounters. These cha...

Newly Discovered Compound Blocks Known Cancer-Causing Protein

...ey could block the growth of cultured colon cancer cells using this new compound, called cysmethynil. Thei... they found it blocked the ability of colon cancer cells to grow independently in soft agar, a typical test of the cancerous potential of cells. "The next s...

Tiny scaffolding allows stem cells to become working fat cells

..., three-dimensional scaffolding to coax mouse stem cells to transform themselves into fat cells, and then to function identical to how fat cells naturally do in the body. While other studies have previously grown fat cells, or adipocytes, in th...

Antibodies from plants protect against anthrax

...s," Baillie and his colleagues first collected the cells that make antibodies from individuals who had been...t as effective as the antibodies produced by human cells from immunized individuals. The antibodies can be used either before exposure to prevent infection ...

Scientists identify new model Of NK cell development

... Scientists have believed for years that human NK cells are generated in bone marrow, but Michael Caligiur... in his laboratory shows that the precursors to NK cells are actually found in cellular nurseries deep inside the body's lymph nodes. The findings, appearin...

The very unexpected life and death of a leukemic cell

...ic leukemia (CLL) is an incurable disease in which cells in the bone marrow grow and survive to the point w...ase of long-lived lymphocytes -- that the leukemia cells were both immortal and born at a slow rate, causing the slow rise in cell count over time. But resea...

Study of genomic DNA leads to new advances in cancer diagnostics

...d a method of assessing the malignant potential of cells based on the sensitivity of cellular DNA to enzyme... the human genome, Dr. Maniotis's group classified cells based on sensitivity or resistance to DNA digestion. Non-malignant cells were sensitive to DNA diges...

White blood cell waste disposal system plays critical regulatory role

...l immune cells. Human neutrophils are white blood cells that are constantly being produced in the bone mar.... Dying neutrophils are recognized and ingested by cells in the body tissues called phagocytes. Although the specific mechanisms that regulate the proper ra...

New RNA polymerase discovered in plants

...n machine, essential for carrying out functions of cells and for expression of biological traits. It does its job by copying a template of DNA genetic information in order to make RNAs that encode proteins or that function directly in the cell. Biologists have studied three kinds of RNA polymerase for dec...

Research Using Mouse Models Reveals A Novel Key Player In The Initiation Of Colon Cancer

... Polyposis Coli (APC) has a profound effect on the cells lining the innermost layer of the colon (called th...mined the integrity of the APC gene in these tumor cells and found that more than ninety per cent of the tumors had lost the normal copy of the APC gene and ...

NJIT Presidential Award winner takes stem cell research another step

...ngineering at NJIT, is researching the use of stem cells to induce bone repair. Her research will help diab...be injected with a ready supply of stem cells. The cells would seek out the patient's damaged bone tissue and begin to generate healthy tissue. After six mon...

New methods of gene delivery using lasers

...have developed a new method of delivering genes to cells using laser light. The new technique, which is che...st to other methods the team can select individual cells to be treated at will under the microscope. The new technique involves the violet laser being focus...

The Bacteria's guide to survival

... to keep your host from going apoptotic." A host's cells can respond to a bacterial infection with apoptosi...osts' gene expression - and possibly keep the host cells alive longer - through tiny tugs on cell membranes. The study examined gene activity in human epithe...

Influenza vaccine uses insect cells to speed development

...a genetically modified baculovirus and caterpillar cells scientists from Protein Sciences Corporation have ...us and insert them into a baculovirus. Caterpillar cells are then infected with the virus and begin to produce the hemagglutinin. The FluBlok vaccine has re...

RNA project to create language for scientists worldwide

...ledge that can help us to understand how different cells grow and develop as they do. This knowledge is key to curing hereditary diseases." The National Science Foundation is providing $500,000 for the five-year project as one of its Research Coordination Networks, whose goals are to "encourage and foster...

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