Tag: "selective" at medical news

MRI for carpets & fabrics: Researchers apply medical diagnostic tool to wide range of industrial processes

...oisture and oil concentrate, theresearchers used a selective MRI imaging sequence. "In the normal imaging sequence, we can place a series ofexcitation pulses that act as a filter to differentiate oil frommoisture," Beckham explained. "As long as there is a chemicaldifference between fluids, we can use a filt...

Are the signs of dyslexia in a newborn baby?

...thebetter readers. Such differences may arise from selective damage to nerves inthe fetal brain, which is thought to cause dyslexia (New Scientist, 24 April1999, p 26). As Molfese will tell a symposium on dyslexia in October at the MaxPlanck Institute in Nijmegen, the Netherlands, 22 out of the 24 dyslexics co...

Duke/Novalon researchers identify potential mechanism behind tamoxifen resistance in breast cancers

...s thegoal of his research. Such drugs are known as selective estrogen receptormodulators (SERMs) because they act like estrogen in some tissues but not inothers. Tamoxifen is called a SERM because it acts like estrogen in the bonesbut as an anti-estrogen in breast tissues -- at least, at first. But o...

Depression-treating drugs lead record-setting pharmacy benefit cost rise -- Total increase lower when pharmacy benefit actively managed

...ns like selectiveserotonin reuptake inhibitors and selective norephinephrine reuptakeinhibitors." Drugs used to treat depression accounted for $4.76 of last year's $47.35 averageincrease in per member per year drug costs. These drugs are expected to accountfor more of the pharmacy benefit dollar than any oth...

Full bone mass restored to most postmenopausal women with osteoporosis in two-year trial of new treatment

...sed on agents that suppress boneremoval. Estrogen; selective estrogen receptor modulators (SERMS), such asraloxifene; biophosphonates (alendronate); and calcitonin are the primary drugsin use. Parathyroid hormone has an opposite mode of action. It stimulates bone formationby increasing the number of osteoblast...

UCSF study finds that an osteoporosis prevention drug reduces the risk of breast cancer by 76 percent in postmenopausal women

...ns." Raloxifene belongs to a class of drugs called selective estrogen receptormodulators (SERMS). SERMS work by mimicking the effects of estrogen in someparts of the body--for example SERMS mimic the positive effects of estrogen on awoman's bones and cholesterol levels--while inhibiting estrogen's "bad" effect...

Melanoma Patients' Sentinel Lymph Nodes (SLNS) Play A Strong Role In Disease Prognosis, UCSF Study Reports

...tudy participants underwent a SLN dissection using selective techniques calledpreoperative lymphoscintigraphy a...patients." Leong and his colleagues have performed selective SLN dissection on over 600melanoma patients and are currently initiating a SLN program with breast c...

New Approach To Attacking Alzheimer's Disease Studied

...resent study represents thefirst to develop highly selective inhibitors of BChE alone with appropriatecharacteristics for use in animals and humans." Recent laboratory studies haveshown that BChE levels are increased in the beta-amyloid plaques which form inthe brains of patients with Alzheimer's disease and ...

Researchers Uncover Clues About Gateway To The Brain

...he transporter proteins at the choroid plexus in a selective andcareful way," he says. These efforts might allo...riments using cells grown in specialtest tubes and selective inhibitors of the two transporters verified that Pgpand MRP could play the roles suggested by their ...

New Surgery At Cedars-Sinai Provides Hope For Epilepsy Patient Who Has Had A Lifetime Of Seizures

...e subpial transections of thelanguage cortex and a selective hippocampectomy, both performed while she wasawake by neurosurgeon Michel Levesque, M.D., Director of the NeurofunctionalSurgery Center at Cedars-Sinai Medical Center. This relatively rare surgicalapproach was undertaken after extensive studies deter...

New Theory May Explain Ritalin Action In Hyperactivity

...an" Gainetdinov said. "In other words, giving them selective serotonindrugs could have the same effect, or even better, than Ritalin or Dexedrine." Although these commonly prescribed drugs are effective in treating ADHD,the use of such psychostimulants in children is controversial due to well-knownside...

Nerve Agent Sensor A Million Times More Sensitive

An extremely sensitive and selective sensor that can detect minute tracesof the chemical nerve agents sarin and soman has been successfully tested byresearchers at Johns Hopkins University. Sarin was the agent used in theinfamous 1995 terrorist attack on a Tokyo subway. Both compounds...

Views Of Tamoxifen And Synthetic Estrogen In Action Provide Clues For Designing Better Drugs

...r uterinecancer. Designer estrogens, also known as selective estrogen receptor modulators(SERMs), are a class of drugs that function like estrogen in some tissues butblock estrogen's actions in others. The best known SERM is tamoxifen, whichrecently received FDA approval for breast cancer prevention. But tamox...

Osteoporosis Drug Evista (Raloxifene) Cuts Newly Diagnosed, Invasive Breast Cancer Risk By More Than 60 Percent

...stmenopausal women. Raloxifene is the only selective estrogen receptor modulator (SERM)available in the United States to protect postmenopausal women against the rapidloss of bone that occurs after menopause and often leads to thinning bones,osteoporosis and fractures. Besides its effects on the breast...

Signal Pharmaceuticals Announces Positive Results In Preclinical Study Of Novel Drug Leads For Treatment Of Osteoporosis

...g to a new class of small moleculecompounds termed selective estrogen receptor modulators (SERMs), also referredto as 'designer estrogens.' SERMs are designed to mimic the positive effects ofestrogen by inhibiting bone loss in postmenopausal women, while avoiding some ofestrogen's adverse effects such as incr...

First Drug Shown Effective For Treating Chronic Forms Of Major Depression

... that belong to the class of drugs called SSRI's, selective seretoninre-uptake inhibitors. The drugs block re-uptake of the chemical seretonin in thesynapses between neurons in the nervous system. This action is thought toalleviate the symptoms and syndromes of depression, and keeps them fro...

Novel Therapy Significantly Reduces Spinal Fractures In Postmenopausal WomenWith Two Years Of Therapy

...en." Raloxifene belongs to a class of drugs called selective estrogen receptormodulators (SERMS), which block the actions of estrogen in some tissues, such asthe breasts, and mimic estrogen in other tissues, such as the bones.Raloxifene is similar to other SERMS, such as tamoxifen, because it has apositive, es...

New Data Show Evista Reduces Spinal Fractures

... Germany. "These data are the first to show that a selective estrogen receptor modulatorcan significantly reduc... study evaluates benefits and risks beyond bone A selective estrogen receptor modulator (SERM), Evista has demonstrated theability to act like estrogen in some ...

Brain Regions Identified That Influence What We Remember Or Forget

...ences. "This gives us the tool to ask whether such selective problems in memory forrecent events occurs due to poor initial encoding -- the memory is never formedin the first place -- or later difficulties of storing or using the memories," hesaid. In the Stanford study healthy volunteers were shown a group of...

New Drug Prevents Breast Cancer In Postmenopausal Women, UCSF Researchers Report

...ne and tamoxifen belong to a class of drugs called selective estrogenreceptor modulators (SERMS), which block the actions of estrogen in sometissues, such as the breasts, and mimic estrogen in other tissues, such as thebones. "During the clinical trials of raloxifene, we saw twice as many cases of breastcance...

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