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UNC studies add new dimension to 'lock-and-key' theory of drug action

A UNC research team has shed new light on the classic 'lock-and-key' theory of drug action by discovering functional selectivity. The findings reveal that drugs can act as both agonists and antagonists at different receptors, allowing for more targeted treatment options. This breakthrough could lead to improved clinical effects with ex...

SourceUniversity of North Carolina at Chapel Hill·JournalJournal of Pharmacology and Experimental Therapeutics·DateMay 30, 2002
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Biologists track down central cause of lupus

Researchers at Princeton University have pinpointed what appears to be a central cause of lupus, an autoimmune disease that affects 1.4 million Americans. The discovery highlights a specific mechanism in B cells that produces disease-fighting antibodies, which can mistakenly attack the body's own DNA.

SourcePrinceton University·DateApr 22, 2002

Relative of snake venom toxin may aid in understanding nicotine addiction

Researchers have discovered a protein, lynx1, that modulates nicotinic acetylcholine receptors, which are involved in nicotine addiction and other neurological disorders. Studying lynx1 has provided insights into its potential role as a therapeutic target for treating nicotine addiction.

SourceHoward Hughes Medical Institute·JournalNeuron·DateMar 18, 2002
Creality K1 Max 3D Printer

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Antibiotic prescription patterns violate guidelines, increase costs

A study found that only 24% of antibiotics prescribed for women's urinary tract infections are the recommended drug, down from 48% in 1990. The alternative medications are no more effective and cost 11-40 times as much. This trend appears to result from non-clinical forces such as pharmaceutical promotions and sub-specialty culture.

SourceUniversity of Chicago Medical Center·JournalArchives of Internal Medicine·DateJan 13, 2002

Science's Top Ten: nanoscale computing circuits named top scientific advance of 2001

Researchers created molecular-scale computing circuits that can carry out basic computing operations, paving the way for tiny but powerful machines. These circuits have the potential to translate conversations on the fly or diagnose illnesses quickly, and could provide computing power for decades to come.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateDec 20, 2001

Study finds brain's reward areas also activated by pain

Researchers found that brain structures associated with rewarding experiences are also activated by painful stimuli, leading to a better understanding of pain's emotional component. This study may lead to the development of new approaches to diagnosing and treating chronic pain.

SourceMassachusetts General Hospital·JournalNeuron·DateDec 5, 2001

Scientists determine the structure of human Monoamine Oxidase B (MAO B)

Researchers at Emory University Health Sciences Center revealed the architecture of MAO B's active site and membrane binding sites, enabling improved drug design with increased specificity and fewer side effects. The study also highlights potential applications in treating depression and neurodegenerative diseases.

SourceEmory University Health Sciences Center·JournalNature Structural & Molecular Biology·DateNov 25, 2001
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Zambian women support mass nevirapine distribution

A survey of 310 pregnant women in Zambia found that 74% prefer targeted therapy with resources available, while 60% support mass drug administration if only half the population is targeted. The results suggest that most women would prioritize access to nevirapine over testing.

SourceThe Lancet_DELETED·JournalThe Lancet·DateNov 8, 2001
Garmin GPSMAP 67i with inReach

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New drugs could be more effective at lowering cholesterol

Researchers have discovered two targets for a new generation of cholesterol-lowering drugs that should allow greater precision in managing cholesterol levels. A key compound, LG268, has been shown to completely block the absorption of cholesterol in mice, while also enhancing the production of reverse cholesterol transporters.

SourceHoward Hughes Medical Institute·JournalScience·DateAug 31, 2000
Celestron NexStar 8SE Computerized Telescope

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Pinpoint targeting promises improved success in gene therapy for blood and other disorders

Researchers at UNC-CH have developed a gene therapy method that targets specific types of cells, avoiding the less effective 'shotgun' approach. The technique successfully corrects genetic defects in primitive stem cells, which can be used to treat inherited blood disorders like hemophilia and non-inherited illnesses such as cancer.

SourceUniversity of North Carolina at Chapel Hill·JournalProceedings of the National Academy of Sciences·DateAug 17, 1999

Neighborhood Merchants Target Teens For Cigarette Sales

A Johns Hopkins study found that in 83 neighborhood stores, 86% of African-American and white teen buyers successfully purchased cigarettes, often with seductive advertisements targeting minors. The researchers suggest strengthening public awareness of tobacco's health hazards to prevent teen smoking.

SourceJohns Hopkins Medicine·DateApr 1, 1997