Tag: "cycle" at medical news
AIDS Treatments Seek To Eradicate Virus, Restore Immunity
...alogues, which interrupt a stepin the virus's life cycle
when its genetic material is inserted in a hostcell's gene. Ritonavir, a protease inhibitor that received FDA approvalearlier this year, kills HIV by crippling an enzyme crucial to its survival,a mechanism different from other anti-viral compounds. ...
Early Menopause Stress Related In Developing Countries
...ariety of stresses that combined, stop the normal cycle
of hormones. Runners and anorexics frequently experience amenorrhea due to a combination of low body weight and stress. "Menopause is characterized biochemically by high levels of two hormones, luteinizing hormone (LH) and follicle stimulating h...
Timing Of Breast Cancer Surgery Doesn't Appear To Influence Survival Anymore
...ncer surgery to a particular phase ofthe menstrual cycle
influences subsequent survival. "This ...y our study, thetiming of surgery in the menstrual cycle
has been unimportant. "Right now we don't advocate scheduling breast cancer surgery on anypart...
"Happy Hour" Is Unhappy For Many Cardiac Arrest Victims
...rhythm. Circadian rhythms are tied to the 24-hour cycle
of theearth's rotation and are possibly a result of changing amounts of light anddarkness as a day progresses. The explanation for the morning peak may be that chemicals that stimulate theheart are at higher levels in the morning than afternoon. B...
Epilepsy Drug Found To Stop Cocaine's Effects In Animals
...kick theirhabit and for society to stop the costly cycle
of addiction, violence and wastedlives. My colleagues and I are unaware of any other drug that has looked aspromising." Later this year, Brookhaven and NYU plan to begin a clinical trial totest GVG's effect on volunteer human cocaine addict...
Faster Relief From Influenza Symptoms For 'High Risk' And Otherwise Healthy Patients With Inhaled Zanamivir
...inhibitors, which work by interferingwith the life cycle
of the influenza virus. It blocks the neuraminidase enzymeon the surface of the virus, thus preventing its release from the cell, andinhibiting it from spreading to neighbouring cells within the respiratory tract. Administering zanamivir via an inha...
Discovery: Experiments Confirm Novel Eye Pigment Controls Circadian Rhythm
...ian time, which was in tune with the day and night cycle
of the departurepoint. Also, breast cancer rates have climbed this century with some blaminglong exposure to electric lights for disrupting normal hormone patterns. Cancer experts want to know more about such rhythms because bothbeneficial an...
Now Is Time To Design Brain-Saving Drugs Specifically For Children, UCSF Neurologist Says
...ospital, NewYork, report on mechanisms in the cell cycle
of the developing brain includingideas that might be useful to turn off the rapid growth of brain tumors. --Pierre Gressens of Hopital Robert Debre, Paris, describes how neuroimagingtechniques have provided clues to brain malformations that run in fa...
Unlocking Secrets Of The Body's Inner Clock; Researchers Discover Key Control Mechanism For An Area Of The Brain That Regulates Sleep
...wn to regulate the circadian rhythm -- the 24-hour cycle
of sleep andwakefulness. When neurons in the SCN are damaged, the sleep cycle
is disrupted. "The connection between these brain cells and the circadian cycle
Jefferson Scientists Show Tumor Characteristics May Help Explain Tumor Biology And Prognosis
...tion. For a cell to grow, it has to pass through a cycle
of particularbiochemical steps. Cancer is characte...with the absence or presence of MSIwith other cell cycle
proteins, suggesting that deficiencies in DNA repair mayplay a role in cell cycle
New book on osteoporosis covers preventing and treating 'The Aging Disease' in consumer language
...Patients andTheir Families, Lane outlines the life cycle
of bone, how osteoporosis develops,who is at risk, and how the disease is diagnosed, treated, and prevented. Organized as an educational guide, the book includes a summary of key points atthe end of each chapter, profiles of typical patients to hel...
Progress In Cancer-Vaccine Studies: Simpler, Safer Approach Producing Encouraging Results
...ve days to boost the immune response. Thetreatment cycle
was repeated three times. "Using total white blood cells instead of cultured dendritic cells was somewhatheretical," explains Thomas Gajewski, M.D., Ph.D., assistant professor ofpathology and medicine at the University of Chicago and director of the ...
Ordinary Touches Multiply Into Severe Pain For Fibromyalgia Patients
...tress, and pain makessleeping difficult, a vicious cycle
develops. LeMay said many people dismiss her condition, not understanding the "hugedifference" between her severe fatigue and the healthy person's occasionaltiredness. "When this fatigue would come about, it's almost like a weight being droppedon you...
Study links body image to athletes' fertility
...ly 19 percent of thenon-athletes reported abnormal cycle
lengths. Williams notes, "What was surpri... reproductive hormones,even though many had normal cycle
lengths of 27 to 31 days. These alterations inhormone levels could impact their fertility." The ...
Female hormones don't cause overeating and weight gain
...es during the premenstrual phase oftheir menstrual cycle
or when taking contraceptive hormones. In ...ual phase of theirmenstrual cycle. Suppressing the cycle
with a contraceptive drug didn'tsignificantly alter food intake, change food preferences, or cause w...
Alcohol: the chemistry of the dark side
... more they drink, the more CRF is produced. This cycle
ultimately raisesthe "set point" for alcohol intake, or the amount it takes to make an alcoholicfeel "normal," according to Koob. He says some data from animal studies suggestthat CRF remains active as long as four weeks after someone stops drinking...
New data provide further evidence of effectiveness of targeted delivery of Relenza and efficacy in both A&B strains
...inhibitors, which work by interfering withthe life cycle
of the influenza virus, in both influenza A and B types. Itblocks the neuraminidase enzyme on the surface of the virus, thus preventing itsrelease from the cell, which means that spread to neighbouring cells within therespiratory tract is inhibited....
New 'real time' MRI stress test pictures heart in motion
...essary to synchronize the imaging with the heart's cycle
so that images wererequired over numerous heartbeats in a 5-10 minute interval. The newest, mostmodern technology allows imaging of the heart in 'real time.' This is a majorstep in the evolution of MRI applications to the heart," he says. "Perha...
Institute publishes "Principles of Drug Addiction Treatment"
...t impossible for most people to stop the spiraling cycle
ofaddiction on their own without treatment." While the JAMA article was written primarily to inform physicians about drugaddiction and the effectiveness of treatment, the Principles of Drug AddictionTreatment booklet is intended for health care pro...
A new ion channel involved in cell proliferation: evidence for its oncogenic
...er, the presence of theproteins implicated in cell cycle
control is universal in all tissues. In contrast to most known oncogenes, the gene discovered at the MPI in Gttingenis not ubiquitous, but expressed in brain under normal conditions.This wouldoffer the possibility to design a diagnostic method to det...
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