A Japanese team of scientists has identified a long-elusive enzyme necessary for the proper regulation of primary cilia, which serve as communication hubs in sensory neurons. The discovery may aid in developing therapies for diseases such as retinitis pigmentosa and polycystic kidney disease.
The National Science Foundation has awarded a $360,000 grant to establish an online resource for biochemistry and molecular biology educators. The initiative aims to improve undergraduate-level teaching by providing core concepts, assessments, and forums. Hundreds of life scientists will collaborate on the project.
Dr. George Stark receives prestigious lectureship for outstanding lifetime scientific contributions, spanning basic biochemistry and specialized fields like gene regulation and cell signaling.
Research reveals that high-strain tendons, like the Achilles tendon, repair themselves less frequently due to increased mechanical damage. This study sheds light on the increased susceptibility of certain tendons to injury during aging.
Researchers have found that lithium reduces brain inflammation by increasing levels of anti-inflammatory DHA and decreasing pro-inflammatory arachidonic acid. This dual mechanism may explain why lithium is effective in treating bipolar disorder, and could lead to additional therapeutic uses.
The American Society for Biochemistry and Molecular Biology will present 10 scientists with various awards for their outstanding contributions to the field. This year's awardees include Phillip Sharp, Sarah Keller, David Russell, James Wells, John Tesmer, Lisa Gentile, Susan S. Taylor, Douglas Rees, and Ruedi Aebersold.
Researchers have discovered the molecular signals used by Toxoplasma gondii to control cell behavior, paving the way for new treatments and vaccines. By disabling these signals, scientists can liberate cells from parasite takeover, potentially improving immune responses and treatment outcomes.
Researchers have identified a cluster of small RNA that correlates with pluripotency in induced-pluripotent stem cells, enabling the distinction of more viable cell lines. This discovery is expected to improve the production of full pluripotent iPS cells and their application in disease therapy.
Scientists have uncovered key rules governing ferritin's self-assembling nanostructure, enabling potential breakthroughs in drug development and nanotechnology. The study may lead to creating biological nanostructures with precise dimensions for various applications.
A study published in Molecular and Cellular Proteomics identified 57 proteins that change during diabetes-induced erectile dysfunction, including those involved in cell death, fat metabolism, and sex hormone transport. These findings may lead to new diagnostic tools and drug targets for treating ED in diabetic patients.
Researchers found that an enzyme suspected of causing inflammation has only limited role in spurring edema. A two-hit model is proposed to explain vascular permeability regulation, suggesting other drug targets for preventing or reversing inflammation and edema.
A team of researchers has discovered that kinesin proteins use a string of water molecules to harness the energy of ATP breakdown. This breakthrough reveals a critical role for water molecules in cellular function and may lead to novel drugs to combat diseases. The study provides a clearer picture of how cells function and flourishes.
A study challenges the prevailing belief that a key human protein linked to cancer needs a partner to function, revealing it can initiate processes on its own. The researchers used high-resolution microscopy techniques to observe proteins in living cells and found that the protein's activation rate is directly linked to its nuclear entry.
Researchers have discovered a compound that can obstruct the enzyme protecting a deadly parasite causing sleeping sickness, Chagas disease, and leishmaniasis. The findings provide new hope for developing effective treatments against these incurable diseases.
Researchers found six essential oils, including thyme, can inhibit the COX-2 enzyme, which contributes to inflammation. Thyme oil proved most active, reducing COX-2 levels by almost 75% with carvacrol as the primary active agent.
Researchers have found that calcium channels on the tongue are involved in enhancing flavors when paired with substances like glutathione. The study provides new insight into the biology of taste and could lead to the development of healthier foods with minimal sugar or salt.
A team of researchers has successfully studied the elusive CstF-64 protein, a crucial component of gene expression. The breakthrough allows scientists to understand its interactions with other proteins and improve polyadenylation machinery in living cells.
Scientists have discovered a pivotal role for two key proteins in preventing the onset of age-related macular degeneration. The study found that one protein binds to another to reduce damage caused by inflammation, and that genetic variations can make people more vulnerable to eye damage.
A team of researchers has made a breakthrough discovery about the defective protein that causes cystic fibrosis, understanding its special relationship with pH levels inside cells. By regulating acid-base balance, the protein controls salt transport and cell survival, offering hope for developing new therapies to restore function.
James A. Wells, a UCSF professor and director of the small molecule discovery center, has made groundbreaking contributions to protein engineering and discovery. He integrates multiple disciplines to design molecules that selectively activate or inhibit cellular processes.
David W. Russell has received the 2010 Avanti Award in Lipids for his groundbreaking work on cholesterol metabolism and oxysterol function. His laboratory has elucidated the enzymatic pathways responsible for cholesterol breakdown and identified genes involved in related diseases.
Keller's groundbreaking studies on membrane lipids have revealed how lipid composition affects cell membrane physical parameters and protein activity. Her work has opened a new area of study, with colleagues praising her thorough analyses and phase diagrams as the gold standard in membrane research.
Researchers have identified cardiac myosin-binding protein C as a potential new diagnostic biomarker for heart attacks, particularly useful for mild attacks. cMyBP-C becomes nearly 20 fold more abundant than before within 5 minutes following a heart attack, suggesting its value in early diagnosis.
Scientists have successfully generated long chains of RNA molecules in water, shedding light on the earliest evolutionary steps in biological molecule formation. The study found that cyclic nucleotides can merge together to form polymers over 100 nucleotides long at temperatures similar to ancient Earth.
Phillip A. Sharp has been awarded the 2010 Herbert Tabor Lectureship for his groundbreaking research on small RNAs, RNA interference, and its potential to revolutionize biology and generate new therapeutics. Sharp's work builds on his landmark discovery of RNA splicing in 1977, which earned him a Nobel Prize in Physiology or Medicine.
A recent study found that statins can have profoundly different effects on brain cells, including benefits in reducing cholesterol transporter expression but potential risks in increasing Alzheimer's disease-related proteins. The findings highlight the importance of personalized treatment approaches for individuals taking statin therapy.
Researchers in China have discovered a new protein-based neurotoxin, anntoxin, found in the skin of the Chinese tree frog. This finding sheds light on the evolution of amphibians and poison, revealing a unique toxin that differs from other vertebrate animals.
A chemical found in blueberry leaves has shown a strong effect in blocking the replication of the Hepatitis C virus, which affects 200 million people worldwide. The compound, proanthocyanidin, is similar to chemicals found in grapes and wine and is considered safe as a dietary supplement.
A long-term study found that increased exercise in middle-aged adults led to decreased triglycerides and increased HDL cholesterol levels, with stronger effects in women. African-American women experienced the greatest benefits, especially post-menopause, while racial differences may be attributed to genetic variations.
A study published in JBC found that mice with defective mitochondrial protein MCLK1 lived longer and aged slower than normal mice. Despite high levels of oxidative stress, their inefficient mitochondria produced less energy and fewer oxygen radicals, accumulating less damage over time.
A new study suggests that preimplantation genetic diagnosis (PGD) may increase the risk of weight gain and memory decline in adulthood. The research used a mouse model to examine the effects of blastomere biopsy on fetal, neonatal, and adult development.
Researchers found that quinine blocks cells' ability to take up essential amino acid tryptophan, leading to adverse side effects. Dietary tryptophan supplements may help alleviate these issues by improving quinine's effectiveness against malaria parasites.
Researchers discovered a protein profile that may accurately predict tamoxifen resistance in breast cancer patients. The study found that the extracellular matrix metalloproteinase inducer (EMMPRIN) was significantly associated with an earlier tumor progression and poor clinical outcome.
Researchers have successfully created a line of induced pluripotent stem cells from adult pigs, providing a valuable model for studying therapeutic potential and addressing ethical concerns. The pig iPS cells closely resemble human stem cells, making them an exciting emerging field with rapid progression and multiple applications.
A controlled diet study with human volunteers found that a 2:1 w6/w3 ratio mimics early human diets can reduce inflammatory signaling genes. This study provides the first evidence of large changes in gene expression as a mechanism for omega fatty acids' clinical effects
Researchers used mouse models to study Huntington Disease, finding significant protein alterations as early as 2 weeks before symptoms appear. These changes may affect late-stage disease by altering biochemical activity in the brain.
The American Society for Biochemistry and Molecular Biology has awarded several undergraduate students with grants to support their research in biochemistry and molecular biology. The recipients of the awards will present their findings at upcoming meetings and use the funds to purchase research supplies and reagents.
A study of over 1,000 CAD patients found that high PLTP levels increased the risk of heart attack in statin users. Elevated PLTP levels may blunt statin benefits, according to researchers.
Researchers find suberoylanilide hydroxamic acid (SAHA) activates latent HIV in cells and blood samples, potentially improving upon HAART treatment. This breakthrough offers new hope for eradicating the virus.
Researchers developed a synthetic atherosclerosis drug, DMHCA, which targets the Liver X Receptors and reduces plaque formation without increasing fat levels. The study found significant therapeutic promise, with DMHCA significantly reducing arterial lesions in mice by 45-48%.
Researchers found that male neurons more readily withered up and died under starvation, while female neurons conserved energy and stayed alive. The study revealed sex-dependent effects in brain cells, shedding light on metabolic differences between males and females.
A new family of antibacterial agents has been identified in the freshwater animal Hydra, which shows promise in combating drug-resistant bacteria. The protein hydramacin-1, found in Hydra, exhibits broad-spectrum antibacterial activity against Gram-positive and Gram-negative bacteria.
Researchers found that long-chain fats like oleic acid in olive oil increase intestinal absorption of pro-inflammatory lipopolysaccharides (LPS), promoting inflammation. This study suggests a potential link between dietary fat intake and inflammatory bowel disorders.
Researchers used lasers to visualize amyloid fibers in the lab and found that it can inhibit their growth and degrade them. This technique may offer a new approach to treat amyloid-based disorders like Alzheimer's, Parkinson's, and Huntington's diseases.
Scientists have found a way for ancient RNA molecules to fuse together naturally, forming larger fragments that can reach a biologically important size. This discovery could help explain how life emerged on Earth, with RNA molecules able to fold into functional shapes at around 100 bases long.
A proteomics study found that numbing drugs can have profound effects on the developing nervous system, even after minimal exposure. The study highlights the need for caution when administering sedatives or anesthetics to pregnant women or infants.
Researchers found that acyclovir can directly slow down HIV infection by targeting the reverse transcriptase enzyme. However, this effect also leads to the emergence of resistant HIV variants, such as the V75I strain, which could compromise current treatments.
Scientists have identified potential biomarkers in plasma samples from premature infants to detect infection and type of microbe. Eight proteins associated with immune responses were found to be consistently over-expressed in infected neonates.
Research reveals a connection between mitochondrial activity and stem cell differentiation, with high-metabolism cells more prone to forming tumors. Administering a mitochondrial inhibitor reduced teratoma capacity in these cells, suggesting a potential therapeutic strategy.
Researchers found that inactivating key genes involved in 'fat-burning' can increase energy expenditure and lower diet-induced obesity. By forcing the body to use less efficient methods, mice became resistant to obesity despite consuming a high-fat diet.