Tag: "tissue" at biology news

Pig-human transplantation not PERVerted

Organ or tissue transplantation is a potentially life-saving measu...viduals who have suffered organ failure or require tissue grafts for a variety of reasons. Today thousands die while waiting for suitable organs or tissues t...

JCI table of contents: 1 September, 2004

...ig-Human Transplantation Not PERVerted Organ or tissue transplantation is a potentially life-saving measu...viduals who have suffered organ failure or require tissue grafts for a variety of reasons. Today thousands die while waiting for suitable organs or tissues t...

Green tea research leads to gum and other products

...Hsu noted. The green tea gum not only protects the tissue but stimulates the salivary glands to produce more moisture. Healthy people can chew the gum for preventive health, or just to enjoy a piece of gum, Dr. Hsu said, noting that the cost is comparable to that of regular gum. He suggests chewing a piece ...

Mouse study shows NPAS3 and NPAS1 genes may be linked to psychosis

...have shown in postmortem examinations of the brain tissue of schizophrenics that these patients have a reduction in reelin, said Dr. McKnight. Schizophrenics also have problems socializing and often have enhanced physical activity, similar to that of the mutant mice. An impaired startle response, Dr. McKnig...

Patented process preserves transplant tissues/organs

... without forming ice crystals. The new process for tissue "vitrification"-chilling tissue and organs to a disordered, glass-like solid without ice formation-was developed with support from t...

Probing the surface of white blood cells to enhance immune system medicine

...lining blood vessel walls and into the surrounding tissue is known as 'extravasation'. Research indicates that microvilli may play a key role in this process. They allow white blood cells hurtling through the bloodstream at speeds analogous to a car traveling at 500 miles per hour to attach to the vessel wa...

Washington University in St. Louis plays key role in sequencing moss genome

...erimental features include few and simple cell and tissue types, ease in growing and undergoing sophisticated genetic manipulation including the capacity of this organism to integrate transforming DNA by homologous recombination at frequencies higher than that of any other multicellular eukaryote. This feat...

Review article makes case for a new source of cells in the body

...overy and documentation of their presence in every tissue that Dr. Sohal's research team has examined, inclu...y showing how VENT cells help make the body's four tissue types nerve, muscle, connective and epithelial tissues. It also clearly points out how the cells ar...

OHSU-VAMC study sheds light on estrogen's benefit for MS

... to self-antigen proteins, or "self-Ags," in fetal tissue can lead to fetal rejection, as well as the chronic inflammation that is the root of autoimmune disease. "It's very well known that pregnant women are in remission. They do feel better," Offner said. "If you could mimic pregnancy somehow, it would be...

Bright idea could doom cancer and viruses, say Purdue scientists

...t. Some lasers are also capable of shining through tissue without damaging it, and they might also be candidates for light delivery." The compound - known as DPPZPHEN, an abbreviation of its long chemical name - also has potential as an antiviral or blood sterilizing agent because it is lethal to any nuclei...

Trojan Horses, xenon imaging and remote controlled genes

...o research is actually getting inside of cells and tissue to see what is going on as it happens. At the University of Pennsylvania, researchers are caging molecules xenon, gene-blocking strands of antisense DNA and even therapeutics to facilitate their entry into cells and enable researchers to observe n...

Light turns on anticancer agents

... Va., Aug. 24, 2004 In order to not harm innocent tissue while aggressively treating diseases such as cancer with powerful medicine, scientists have been creating therapy agents that they can activate with light only at the site of a tumor. Until now, almost all photodynamic therapy agents have required o...

Engineering endurance: The future of the Olympics?

...sses. A number of metabolic pathways supply muscle tissue with the ATP needed to power muscle contraction an...lled PPAR--a major regulator of fat burning in fat tissue that is also prevalent in skeletal muscle--might be involved and genetically engineered mice to expr...

New compound could give some types of cancer the one-two punch

...atory experiments, the majority of prostate cancer tissue cells died within three days, Li said. "This compound stopped cell division in its tracks," he said. OSU 111 induces apoptosis cell suicide in cancer cells because it keeps key structures called microtubules from working during cell division. Micro...

Study suggests cell-cycle triggers might be cancer drug targets

...ll division and growth had little impact on normal tissue development of a mouse embryo. These same proteins...ice with both CDK molecules knocked out had normal tissue development as well.) The unexpectedly viable embryos contradict theory and previous laboratory expe...

Researchers report new gene test for isolated cleft lip and palate

... the protein's normal biological activities during tissue and organ development. Fueling their suspicions was the fact that the normal valine is tightly conserved from fish to humans, meaning if the valine was trivial, species along the evolutionary ladder might have altered it with greater frequency. "T...

MIT research that stops pain of needle jabs gets FDA approval

...les and materials for controlled drug delivery and tissue engineering, is a director and chairman of the scientific advisory board of the company. The small, battery-powered device applies a low-frequency, ultrasonic energy to the skin for 15 seconds. The sound waves open small cavities in the skin by disor...

New 'clock gene' uncovered

...ronmental changes. And these adjustments vary from tissue to tissue. Different tissues respond to the clock ...rray experiments on different samples of mammalian tissue to determine which genes are cycling and which might be components of the clock. These experiments...

Sweet success in targeting sugar molecules to cells in living animals

...n patterns when compared with their normal healthy tissue counterparts," said Bertozzi. "And there are chang...tness changes in the pattern of glycosylation in a tissue as an animal develops through the embryonic stages, as a disease develops, or as tumors become metas...

Gene linked to cleft lip and palate identified

..., the roof of the mouth (hard palate), or the soft tissue in the back of the mouth (soft palate). More than 70 percent of babies with cleft lip also have cleft palate. Children with oral clefts experience difficulties in chewing, swallowing, and speaking, and are prone to frequent ear infections that can...

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