Researchers at UCSD have discovered a new immunological pathway involving the enzyme I-kappa-B kinase alpha (IKKa), which plays a crucial role in developing B cells and forming certain lymphoid organs. Blocking IKKa's action may offer a new approach to treating autoimmune diseases without compromising the immune system.
A study found that a specific mutation in the human MDR1 gene affects P-glycoprotein expression, leading to decreased effectiveness of HIV-1 protease inhibitors in West Africans and African Americans compared to Caucasians. This could have significant implications for drug treatment in these populations.
A Johns Hopkins study finds that removing cholesterol from a cell's membrane can completely block HIV transmission. Researchers used microbicides containing a starchy substance that drains cholesterol, allowing for reduced or stopped HIV transmission.
A panel of seven renowned experts, including Henry Black and Jay Cohn, reviewed RESPeRATE's progress and results from six clinical studies. The board expressed excitement about the potential for breathing exercises to modify the cardiovascular system and further evidence of RESPeRATE's effectiveness as a non-drug option to lower high b...
A study reformulates a common anti-depressive medication of the nineteenth century, revealing that it would have delivered a daily dose of mercury exceeding current safety standards. Mercury poisoning may have explained Lincoln's neurological symptoms, including insomnia and rage attacks, but also contributed to his famous composure.
A study of 170 pregnant women in treatment for drug dependency found that those with co-occurring alcohol problems have more severe psychological issues, including depression and anxiety. The findings highlight the need for universal screening and tailored treatment approaches to address these women's unique needs.
A study published by researchers at the University of Chicago Medical Center found that prenatal exposure to methamphetamine increases the risk of brain disorders, such as Parkinson's disease, in male offspring who later take the drug themselves. The toxic effects of methamphetamine can hasten the onset of these conditions.
Scientists have identified small blood vessels as a key target of radiation therapy, allowing for higher doses with minimal side effects. The discovery could lead to improved treatment options for cancers treated with abdominal radiation therapy.
A study published in the Proceedings of the National Academy of Sciences found that prostaglandins are required for efficient liver regeneration. The research used mouse models to show that blocking prostaglandin synthesis impaired the liver's regenerative response, highlighting a crucial role for these molecules in liver disease.
Researchers discover bacterial toxin ST can slow down metastatic colorectal cancer tumor growth by targeting GCC receptor. GCC is a protein marker on cancer cells that allows scientists to detect if they have spread, and it can also be used as a diagnostic tool.
Researchers at the University of Pennsylvania School of Medicine found that activation of vitamin A receptors can regulate the human circadian clock. This discovery provides an important clue to how the master clock in the brain regulates distal organs by controlling clocks throughout the body.
Researchers review vitamin C absorption and metabolism, suggesting re-evaluation of its use in treating cancer. New insights reveal differences between intravenous and oral administration routes.
Researchers discovered that beneficial bacteria in the gut influence the expression of genes important to intestinal development and function. The study found that these microbes activate genes involved in sugar and fat absorption, cellular barrier integrity, and blood vessel formation.
Researchers have identified a protein in fruit flies that resembles the molecule targeted by cocaine, offering insights into its addictive properties. The discovery of this protein, called dDAT, could lead to genetic manipulation and behavioral studies.
Researchers discovered a plausible mechanism for a cancer-causing gene found in aberrant bone marrow cells. The study reveals the function of SET, a protein that helps regulate gene activity and protects cell integrity.
Researchers have identified a new genetic risk factor for late onset Alzheimer’s disease on chromosome 10, which may interact independently of the APOE4 gene. The study found a potential mechanism linking this region to elevated amyloid-beta levels in the brain, suggesting new therapeutic opportunities.
A team of researchers at Northeastern University has discovered a specific molecular change in the brain that causes people to crave higher dosages of drugs over time. The finding could lead to more effective treatments for heroin addicts and cancer patients with chronic pain.
A recent study found that newer anti-psychotic drugs like clozapine are more effective in treating first-time schizophrenia patients than traditional medications. The research also suggests a potential link between toxoplasmosis and poorer treatment outcomes.
Researchers at UNC Health Care have identified the crystal structure of a key protein interaction involved in cancer cell spread. This discovery aims to develop targeted therapies against invasive cancer cells with minimal side effects.
Researchers at Penn have found a simple urine test that can help track and treat Alzheimer's disease by measuring isoprostane levels. This non-invasive method provides an easier alternative to spinal taps, allowing doctors to diagnose the disease earlier and prepare better treatment.
The event will feature panel presentations by patients and family members who share their experiences coping with spinal cord injuries. Researchers discuss recent advances in treating SCI, including neurotrophic electrodes, growth factors, gene therapy, and stem cell therapies.
A study by UCLA researchers found that androstenedione supplements can contain a contaminant linked to banned steroid nandrolone. The study tested 37 healthy men, revealing that 20 of their urine samples contained enough 19-norandrosterone to test positive for steroid use.
Researchers at NYU Langone Health discovered a link between a bladder gene and vesicoureteral reflux, a condition that causes urine to flow backward into the kidneys. The study suggests earlier detection and treatment of the condition could prevent kidney failure.
A Mediterranean-style diet rich in olive oil, fruit, and fish was associated with a lower risk of death after a heart attack. The study found that participants who consumed more fresh fruits and vegetables had a reduced risk of dying within 42 months after their heart attack.
A University of Pennsylvania study suggests that taking ibuprofen before aspirin can inhibit the cardioprotective benefits gained from a daily aspirin regimen. The study found no competitive interaction between aspirin and Tylenol or Vioxx when taken separately.
Researchers at UCSF have identified a fundamental decision-making unit in cells that integrates multiple signals to initiate cell movement. This protein, N-WASP, relies on cooperative action between two signal molecules to trigger actin polymerization and drive cell movement.
Jefferson scientists discover that blocking a protein affects collagen gene expression in both normal and scleroderma cells, offering new hope for treating the disease. The findings suggest that therapeutic compounds may be developed to inhibit this pathway and reduce collagen production.
Researchers at Northwestern University are analyzing DNA samples from families with children born with spina bifida to identify genetic traits and risk factors. The study aims to predict the likelihood of having a child with the condition, giving parents power to make informed decisions.
Researchers at Northwestern University are conducting six studies on the role of diet and hormones in breast cancer prevention and development, as well as innovative translational therapies.
David Julius, PhD, has made a groundbreaking discovery about the capsaicin receptor, VR1, which mediates responses to painful stimuli. His work builds on the pioneering research of Edward R. Perl, who first identified nociceptors as responsible for pain perception.
The NIH-funded program will bring together researchers from the Center for Biomedical Inventions and the Touchstone Diabetes Center to develop novel therapies for type II diabetes. Researchers aim to translate basic science into medical therapy, exploring new approaches in treatment and delivery methods.
Researchers have developed a chemically switchable approach to study kinases, crucial for signal transmission in all cells. The technique allows precise experiments to determine the specific function of hundreds of kinases without disrupting overall cell function.
University of Maryland researchers successfully created a new brain circuit that takes over damaged vision functions in newborn hamsters. The study suggests that surgically created neural pathways might one day be used to treat brain damage and restore lost functions like vision or hearing.
Renowned scientists and clinicians will discuss recent advances in breast cancer science and treatment, including new developments in imaging techniques, hormone replacement therapy, and alternative therapies. The symposium will feature prominent speakers from top medical institutions.
A $10 million-per-year project allows researchers worldwide to collaborate on studying cell signaling, with the goal of developing a 'virtual cell' for testing new drugs. The Alliance for Cellular Signaling (AFCS) will help understand the global properties of cellular signaling, leading to breakthroughs in medical research.
The study found that the Gz protein conveys signals from epinephrine, supporting the body's ability to stave off lethal blood clots and avoid strokes. The research also sheds light on human drug dependency and holds promise for the development of more effective painkillers, anti-depressants, and clot-busters.
The University of North Carolina at Chapel Hill's Center for Alcohol Studies is developing an educational program to educate middle-school students about the dangers of maternal alcohol abuse and its effects on unborn babies. The program aims to raise awareness among children and help them make informed decisions about drinking and sex...
Researchers used antisense oligonucleotides to block defective genes responsible for producing hemoglobin, restoring correct production of beta-globin and enabling cells to produce more hemoglobin. The correction could last for months and may be a simpler therapy than gene therapy.
Researchers at Penn State have developed a procedure that virtually eliminates tissue growth and subsequent blockages after angioplasty, reducing the risk by 90%. The ceramide-coated balloon catheters inhibit vascular smooth muscle cell growth, preventing arterial obstruction.
Researchers at NYU Langone Health and the University of Pennsylvania School of Medicine have discovered that hair follicles are the source of new cells for the skin's outermost layer, the epidermis. These stem cells reside in a protected area called the bulge, which migrates to the epidermis, replenishing the skin throughout life.
Researchers at Memorial Sloan-Kettering Cancer Center and Vion will study the use of TAPET bacterial vector technology for tumor diagnostic imaging in preclinical animal models. The goal is to define molecular signatures that result in preferential accumulation of TAPET bacteria in tumors, enabling more effective diagnosis.
Scientists at UCSF have shown that deformed prion proteins can trigger normal proteins to change shape and become infectious. The researchers used a new system to introduce prions into yeast, eliminating the possibility of non-prion molecules contributing to infection.
Researchers found that methoxsalen inhibits CYP2A6 enzyme, increasing nicotine levels and reducing smoking desire. The medication was shown to improve oral nicotine replacement effectiveness in reducing cravings and puff counts.
A team of researchers has identified a specific binding site for alcohols and anesthetics on brain proteins, which could lead to new pharmacologic interventions for addiction and substance abuse. This breakthrough finding builds upon previous studies suggesting that alcohols interact with specific protein molecules in the brain.
A study published by Emory University researchers found that a naturally occurring neurotransmitter called CART peptide produces behaviors associated with cocaine and methamphetamine. The finding suggests a role for the brain chemical in modulating or mediating the actions of drugs and potentially treating addiction.
Researchers at Rosetta Inpharmatics used high-quality gene expression data and computational methods to identify novel gene functions. The company's approach enables the deciphering of previously uncharacterized genes, with applications in new drug discovery and development.
A study discovered a link between lower platelet adenylyl cyclase activity and increased risk of alcoholism. Recent alcohol consumption was found to be a confounding variable, and other factors such as major depression and hyperlipidemia were also associated with low AC activity.
Dialysis patients who took amino acid supplements experienced a significant increase in albumin levels, with an average rise of 0.22 g/dL for hemodialysis patients and 0.01 g/dL for peritoneal dialysis patients. This study suggests that simple nutritional interventions can have a positive impact on the health of dialysis patients.
Scientists at UCSF deciphered a pattern of signals that determine the survival of T cells, the body's natural defense arsenal. The research identifies a new role for chemical messages between the immune system and a steroid hormone signal, which may control stress-induced hormone imbalance and autoimmune diseases.
Researchers developed an experimental drug that reversed the effects of Fabry disease in mice, reducing glycolipid levels and eliminating toxic side effects. The treatment has potential applications for other lysosomal storage diseases affecting thousands of people in the US.
The UCSD Superfund program will conduct projects on 20 toxic contaminants, studying their effects on humans, animals, and the environment. Researchers will use molecular biology and recombinant DNA technology to develop tools for evaluating health risks and minimizing hazardous risks.
Researchers discovered a direct link between apoE and cerebral amyloid angiopathy (CAA), a leading cause of bleeding strokes in the elderly. Decreasing apoE expression may inhibit CAA buildup, lowering the risk for cerebral hemorrhage.
A molecular-level malfunction in patients with heart failure can be repaired with existing treatments, suggesting a new approach to treating the root cause of the disease. The research reveals that a malfunctioning calcium channel is responsible for the defect, and beta blockers may prevent or reverse its development.
Researchers found associations between certain personality traits and a polymorphic region in the human AP-2beta gene. These traits include muscular tension, guilt, somatic anxiety, psychasthenia, and indirect aggression. The study suggests a novel approach to understanding the genetic basis of psychiatric disorders and personality.
A new NIH clinical advisory statement recommends using systolic blood pressure as the primary criterion for diagnosing and treating hypertension in middle-aged and older Americans. This shift aims to improve outcomes by targeting systolic pressure, which is associated with a higher risk of heart disease.
Researchers have developed a method to deliver nucleotides directly into tumor cells, assembling them on their own. This approach may lead to new treatments with improved efficacy and reduced side effects for various types of cancer.
A national leukemia research consortium will be established to study chronic lymphocytic leukemia in a new way, bringing together top scientists from different disciplines. The consortium aims to generate new insights and novel ways of attacking the disease, with the ultimate goal of curing CLL.
A nerve protein known as the capsaicin receptor triggers pain signals when exposed to heat or noxious chemicals, contributing to pain from tissue injury and inflammation. Blocking this receptor may ease some kinds of pain, such as visceral pain conditions.
Researchers at McGill University have identified a novel receptor combination that could lead to new treatments for various neurological disorders. The discovery involves the interaction between dopamine and somatostatin receptors, which can produce synergistic responses when activated simultaneously.
Damage to nerves caused by injury can lead to slow and poor recovery. However, a new study suggests that electrical stimulation can enhance nerve regeneration, allowing for faster healing in just two to three weeks. Researchers hope to test this method on people with nerve damage.