New imaging approach promises insights into multiple sclerosis
...quire samples to be labeled with dyes, killing the tissues in the process. Being able to analyze living tissu...lial filaments also are involved in producing scar tissues following trauma injuries to the central nervous system, so a better understanding of their workings...Will nanotechnology revolutionize medicine?
...e; to engineer nanomaterials for use as artificial tissues that would replace diseased kidneys and livers, and even repair nerve damage; and to integrate nanodevices with the nervous system to create implants that restore vision and hearing, and build new prosthetic limbs. On Monday, April 23, 2007 Dr. ...Early-stage sperm cells created from human bone marrow
...have previously been found to grow into other body tissues such as muscle. They cultured these cells in the laboratory and coaxed them into becoming male reproductive cells, which are scientifically known as germ cells. Genetic markers showed the presence of partly-developed sperm cells called spermatago......ncers that develop in any part of the body in soft tissues like fat, nerve, muscle, deep skin tissue, blood vessels or fibrous tissues around joints. They are different than osteosarcomas, which grow in bone. Soft-tissue sarcomas pr...Deflecting damage: Flexible electronics aid brain injury research
...and living tissue is that electronics are hard and tissues are soft," he said, noting that nerve cells quickly become irritated when in contact with the hard electrodes of today. The hope is that the devices of the future will flex with living tissue, maintaining a connection without damaging the human cells...Study shows isolation of stem cells may lead to a treatment for hearing loss
...formation of spheres from early postnatal cochlear tissues and their expression of a wide range of developmental markers unique to hair cells confirm the possibility that self-supporting hair cell precursors exist in or can be derived from the postnatal mammalian cochlea. Currently there are no clinical ...A 'traffic light' for neurons means 'go' for improving brain research
...avior. Meanwhile, in experiments in living brain tissues extracted from mice at Stanford, the researchers were able to use the technique to cause neurons to signal or stop on the millisecond timescale, just as they do naturally. Other experiments showed that cells appear to suffer no ill effects from expos...Cold Spring Harbor Protocols highlights reliable methods for gene and protein analyses
...ress the -galactosidase protein. Once stained, the tissues with -galactosidase produce a brilliant blue pigment, allowing researchers to visualize where and when a gene of interest is expressed during embryonic development. ...UCLA identifies new molecule involved in the body's processing of dietary fat
...r triglycerides to the skeletal muscles and heart tissues that are hungry for fuel or to adipose tissue for energy storage. Molecules called proteoglycans, attached to the inside walls of capillaries, wait like baseball players with their mitts open, poised to catch the passing chylomicrons. Proteogl...Newly discovered 'platform' for processing dietary fat
... high levels in heart and adipose tissue, the same tissues that express high levels of the enzyme that breaks chylomicrons down, they report. The researchers conclude that GPIHBP1 is crucial for chylomicron processing. It is located on the inner surface of the capillary and binds both chylomicrons and the ...Research project tackles 'regeneration' gap
...ne marrow and blood with scientists who study how tissues and limbs develop in a variety of organisms. "A.... Even within a single organism, we find that some tissues have a far more robust ability to replenish and replace cells than others. Yet we do not understand ...Pezcoller Foundation-AACR International Award for Cancer Research recognizes Mina J. Bissell
... and biochemical environment that surrounds living tissues and how it regulates genes in both normal organs and malignant tumors. "Dr. Bissell is an extraordinarily accomplished cell biologist whose discoveries have had an enormous impact on our understanding of the mechanisms by which living cells prolif...Ultrathin films deliver DNA as possible gene therapy tool
... required to coax cells to develop into functional tissues and organs. "Our long-term goal is to develop materials useful for localized gene therapy," he says....Breakthrough vaccine to treat chemo-resistant ovarian cancer
...ough treatment method uses the patient's own tumor tissues to create a patient-specific vaccine and is combined with chemotherapy delivered directly into the abdominal cavity. Ovarian cancer, one of the hardest cancers to detect in the early stages, is a very complex disease that is often resistant to che...JCI table of contents -- March 8, 2006
...a new set of the cells that form that tissue. Most tissues contain connective tissue cells and these can be derived from mesenchymal stem cells (MSCs). However, it has not been clearly determined whether MSCs are recruited to a damaged tissue from the bone marrow or whether each tissue has its own population...Researchers learn what sparks plant growth
...scientists examined shoots and the three layers of tissues that make up the shoot system: the epidermis, whic... of environmental sentinel, communicating to plant tissues when conditions are right to seize the day for growth or hold back under less opportune conditions. ...Plant size morphs dramatically as scientists tinker with outer layer
...ments that addressed an old debated question: what tissues of the leaf drive or restrict growth? The answer was simple: the epidermis is in control. They found that when they drive the expression of the BRI1 receptor in the epidermis of a dwarf Arabidopsis, while leaving the sub-epidermal layer as it was ...Researchers identify ovarian cancer biomarkers
...se markers were not present in normal reproductive tissues that experience blood vessel growth, such as the placenta or endometrium. This suggests that the markers are specific to tumors and would not be mistaken for normal blood vessel growth in women of reproductive age. If the markers do prove to be spe...Photodynamic therapy as alternative therapy for periodontal diseases may be beneficial
...ntin hypersensitivity, reduced inflammation of the tissues surrounding the teeth, and allows tissues to repair faster." PDT may be an alternative to antibiotic treatment, which is becoming increasing......ne of every 700 live births worldwide, occurs when tissues that normally form the lip and palate fail to join early in fetal life. The investigation focused on genes in the fibroblast growth factor (FGF) family, which function in a signaling pathway important in fetal face development, said Bridget Riley, a ...