Tag: "stimulating" at biology news

Herpes-Based Gene Therapy Is Key To Promising Liver Tumor Vaccine

...f the cytokineGMCSF (granulocyte macrophage colony stimulating factor), whichattracts macrophages: 4 of 12 rats remain cancer-free. High cytokine levels peak on the first day, Dr. Federoffsays, and remain high for a couple of days before falling off andeventually returning to normal. The short duration and ...

Purdue Study Aims To Boost MRI Capabilities

...d muscles." Little human data are available on the stimulating effects of MRI gradient fields, Bourland says. "Our research is aimed at determining at what levels patients can feel the magnetic fields, and at what levels the symptoms are acceptable." Bourland and Nyenhuis are using a unique system designed to de...

Emory Researchers Advance Gene Therapy Studies For Metastatic Melanoma Treatment

...okine called GM-CSF (granulocyte macrophage colony stimulating factor) directs the immune system to shift into overdrive and attack melanoma tumor cells. Cytokines are natural proteins made by all cells, both normal and malignant. A single cell produces many cytokines; some influence the cell itself (an autoci...

Study: Device Prevents Epileptic Seizures, Doesn't Damage Hearts

...ugs. Now we are tryingto change the environment by stimulating nerves upstream toward the brain. Thisis a very different philosophy of treatment." Much confusion surrounds how to give first aid safely to a personexperiencing epileptic seizure, he said. "In the majority of cases, you don't need to...

Recombinant Protein Immunizes Mice, Promises New Strategy Against Infection And Cancer

...nfact, heat-shock proteins are extremely potent in stimulating a CTL immuneresponse," says Dr. Young. Heat shock proteins, or stress proteins, are a family of proteins thatcells produce in response to stress from heat, injury, germs, or toxins. Normally, these proteins act as molecular chaperones, bind...

Discovery By Fertility Specialist Offers Promise Of Reducing Multiple BirthsTied To Fertility Treatment

...was to administer follicle stimulating hormone, or FSH, which also causes multiple eggs to mature. By manipulating LH and FSH, Sullivan said it could be possible to sustain the growth and development of one or two follicles in women underg...

Peptides Implicated In Body's Response To Pain

...xample, act in the transmission of painmessages by stimulating pain receptors. It has been previously demonstratedthat when glutamate receptors are blocked, experimental mice exhibit a reductionin their responses to pain, providing scientists with compelling evidence of thechemical's role in transmission of pai...

Biotech Firms Develop Where Star Scientists Worked, Study Shows

...rlier. These results show the value of science in stimulating the local economy,said Marilynn Brewer, co-author of the study and a professor of psychologyat Ohio State University. “The biotech industry is a testament to the value of basic scientificresearch,” Brewer said. “The growth of the indu...

Desert Researcher Receives Environmental Award

...ctica. The award, which is made for the purpose of stimulating research and developmentin applied microbiology (excluding clinical fields) and environmentalmicrobiology, will be presented at the General Meeting of the American Societyfor Microbiology, May 17-21, 1998 in Atlanta, Georgia. He received his Ph.D. fr...

Jefferson Scientists Link Some Cases Of Scleroderma To Damage From Lingering Fetal Cells

... "We would like to show that those cells are stimulating the pathogenesis of scleroderma. If these foreign cells are involved in the pathogenesis of disease, you can create a vaccine or try some other way to eliminate them from the body. "The study describes the presence of fetal cell leve...

Naturally Produced Enzyme May Be Useful In Inflammatory Arthritis

... concept is consistentwith the broader approach of stimulating natural substances to control disease,Ward said. “Stimulating natural substances to work at their normal sites ofaction has the potential to produce therapeutic actions with minimal negativeside effects,” Ward said. He added tha...

"A Thousand (And More) Points Of Light" Yield New View Into Cells

...tion iscyclical despite the constant presence of a stimulating signal."To ouramazement,we found that transcription hits its peak in 30 minutes. By 60 minutestranscriptionfalls off, and two hours later, it's gone." This indicates the existence of anas-yet-unknown regulatory feedback mechanism, says Singer. ...

Cystic Fibrosis Gene Protects Against Typhoid Fever

...d bedelivered orally, and thus might be useful for stimulating immunity at themucosal surfaces that line the stomach and gut. AIDS researchers supported by NIAID recently initiated a clinical trial of anexperimental vaccine composed of a weakened form of S. typhi into which a genefor a human immunodeficiency vi...

Improved Oxygen Bath To Heal Wounds, Lessen Number Of Amputations: Sandia To Sign Agreement With Numotech To Help Create Home-Use Healing Facility

...ve oxygen delivered to a clotted wound,rather than stimulating healing, may feed microorganisms or create freeradicals, harming the patient whose clotted blood is unable to produce theanti-free-radical components normally found in flowing blood, says Heng. Lower Oressures, Lightweight Equipment Researchers of...

New Technology Deposits Bone-Regenerating Materials On The Surface Of Implants

...s are designed to extend the life ofthe implant by stimulating the growth of new bone, which bonds with the naturalbone surrounding it, thus anchoring the implant more firmly in place. Dr. Campbell presided at a symposium at which she and nine other scientistsreported new progress in the creation and use of bio...

Ligand Scientists Discover Tissue-Selective Female Hormone Mimics

...at the Ligand compounds were six tonine times less stimulating than was MPA." This proliferation of breast cellsrepresents a potential risk for the development of breast cancer. "The possibilities for these investigations are far-reaching," continued Dr.Jones. "The opportunity to design specific progestins may ...

Boosting Immune Response Against HIV-1 Key To Controlling Infection, Say University Of Pittsburgh Researchers

...e dendritic cells gave them the signal. By further stimulating naive T cells or boosting residual memory T cells withtherapeutic vaccines similar to the one we used in this study, it may bepossible to achieve complete immunity in patients. This would then allow apatient's immune system to exert a much stronger ...

Fauci To Present New Insights Into HIV Latency At 12th World AIDS Conference

...ing out" the virus (at least in the testtube) - by stimulating latently infected CD4+ T cells with antibodies to the CD3molecule on the cell surface, or with combinations of cytokines such asinterleukin-2 (IL-2), interleukin-6 (IL-6) and tumor necrosis factor-alpha(TNF-alpha). "This approach to purging the HIV...

'Molecular' Computers? Munich/UD Researchers Report First Glimpse Of Artificial Molecule In Action

...lmolecules' at work--thanks to a new invention for stimulating them the way lightexcites real molecules. "We developed a technology for probing artificial molecules that allowed us tosee a phenomenon analogous to Rabi oscillations [pronounced RAH-bee], which areactions observed in real molecules," says Rogert H....

Data Support Idea That Zinc Plays Key Role In Fight Against Anorexia

...e the compound had been recognized for its role in stimulating appetite, he had theorized a decline in its production in times of zinc deficiency. Instead production increased but the compound failed to produce its appetite-stimulating effect. New experiments are under way in Shay's lab -- among only a handful s...

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