AIDS Treatments Seek To Eradicate Virus, Restore Immunity
...hich is hiding, and to understandwhy it eventually becomes resistant to drug therapy." HIV is found in three "compartments" in the body, Bartlett said.The largest is the lymphoid tissue, such as nodes, liver and spleen. Theothers are plasma and peripheral blood cells. While clinical trials...Chemists Develop Probe To Detect Changes In Imaging Agents Inside Body
...ated with athin layer of polymer. The package then becomes a probe which canbe inserted directly into the heart tissue. "We can get these fibers as free samples and simply take outa single fiber and make it into a sensor by coating it with thepolymer that gives us the selectivity needed to detect theimaging ......ge. While the thymus organ, located in the chest, becomes virtually nonfunctional in older age, it serves the important function in children of producing T lymphocyte immune cells. In particular, it produces the CD4+ helper T cells that are depleted by the AIDS virus. It also produces CD8+ cytotoxic T cel...Duke Study Uses Tiny Temperature Changes To Probe Water-Exclusion At Protein Binding Sites
...tent than was previously imagined. The bindingsite becomes "much more hydrophobic than you would have guessed,"he said. According to Toone, the next step in his research "is to try andlearn more about the relationship between shape and hydrophobicity. "Certainly if you could find some motifs that......st's archive of pastpathological cases essentially becomes a data classifier for processingnew mammograms." In its mammogram analysis, the software did not miss anymicrocalcifications in any of the digitized mammograms that wereproperly calibrated. "In all of the data that's similar to our database data, t...Many Medical Screening Tests May Be Unnecessary.
... specific antigen tests in men. The ethical issue becomes more complicated when doctors provide controversial screening tests because they fear a future lawsuit by a patient who later develops a disease. The article describes several potential risks of screening tests with controversial benefits, includin...Mammography Messages Need To Be Tailored For Older Women
... seconds,and it can reveal breast cancer before it becomes a serious disease,"she says....Medicare Approves UM Medical Center For Lung Transplants
... The University of Maryland Medical Center becomes the onlyMedicare-approved lung transplant center between Philadelphia and Durham, NC. Itis the 24th in the nation. The designation covers patients who need single,double or combined heart-lung transplantation. HCFA conducts a rigorous evalua...Keeping Score On Doctors: Report Says Flaws In Counting Must Be Addressed To Ensure Accuracy
...ndtransferred to a cardiologist's care if the case becomes particularlyproblematic." For example, the researchers say 14 percent of patients assigned byMedicare as having been cared for by cardiologists were actually admitted byinternists or family physicians. The ideal monitoring system, they say, ...More Bad News For Fast Food Fans
...estricts the travel ofwater. If the flow of blood becomes too slow and the heart doesn1t receiveenough oxygen, heart disease may develop. Co-investigators in the study were Joseph H. Rapp, MD, SFVAMC chief of vascularsurgery and UCSF professor in residence; Xian-Mang Pan, MD, SFVAMC researchassociate; and K...... "language universalist," but by the first year it becomes a "languagespecialist," in which its nerve cells wire themselves to perceive distinctionsbetween different types of sounds in its native language. FOR ADDITIONAL INFORMATION BEFORE JUNE 22 Please feel free to call Ben Stein of the American Institute......posureto these atherogenic factors the vessel wall becomes activated and enters astate of inflammation; recruited macrophages engulf lipids and secretepro-inflammatory cytokines (mainly interleukin-1 and TNF), leading to cellproliferation and lipid accumulation. Other cytokines (e.g. IL-6 andprostaglandin) a...Treatment For Cancer May No Longer Be As Grim As The Disease
...s ofevaluation will be needed before the procedure becomes common.McGahan says radio-frequency ablation could treat benign tumours as well ascancer. For example, he recently removed a painful bone tumour from a girl's legby inserting the wire through a small hole in her femur. Param Sharma, an electr...Encapsulating Insulin-Producing Cells For Possible Diabetes Therapy
...r us to do." If islet transplantation ever becomes a reality, Hatchell said pigswould likely be the "donors of choice." That's because "porcine insulin is whatdiabetics took for years until there was recombinant human insulin," she added."We know the human body can tolerate it." Grinstaff's c...Best Use Of Angiostatin May Be To Enhance Radiation Therapy
...tudy extends our previous finding that angiostatin becomes muchmore effective when used to enhance the effects of radiation," saidWeichselbaum,"and that radiation, already a standard of cancer therapy, could becomemore effective with a boost from short courses of concomitant low-doseangiostatin. This combina......s with overlapping butnon-identical components, it becomes impossible for vaccine purchasers to selectthe most efficient inventory to minimize costs. "State health departments, HMOs, and other large vaccine purchasers arefacing daunting decisions because of the surfeit of choices becoming available...Ultrasonography Predicts Heart Attack/Stroke Risk
... narrowedopening impedes blood flow. If an artery becomes blocked, a heart attack orstroke can occur. Atherosclerotic buildup is not uniform. By combining the measures fromboth arteries, scientists gained a more complete picture of the patients'conditions than either measure alone could yield. ...New Protease Inhibitor Could Thwart AIDS Resistance To Current Drugs
...eeds to multiply. However,HIV quickly mutates and becomes resistant to individual inhibitors within weeks. The most successful treatment to date tries to overwhelm HIV with two or threeof these drugs simultaneously in a so-called "combination therapy," but eventhis approach eventually loses effectiveness. ...More Evidence Of Possible Adverse Effects From New Hormone Use In Women With Heart Disease
...ble angina, which is defined as chest pain that becomes worse or chest pain felt at night. This difference in rates of unstable angina was significantly higher in this group, compared to the other women, and they also had significantly more angioplasty procedures during the study follow-up. No de......ryou go without the surgery, the larger your heart becomes and the more likely itis that even after you fix it, you're going to have ongoing or further rhythmproblems," Gatzoulis adds. Researchers examined 213 adult patients (82 men, 131 women) who had undergonesurgical closure of hole defects -- the most co...