Current Enzyme Activity News and Events

Current Enzyme Activity News and Events, Enzyme Activity News Articles.
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UIC researchers invent new gene-editing tool
Researchers have discovered a new gene-editing technique that allows for the programming of sequential cuts -- or edits -- over time. (2021-02-23)

Distorting memories helps the brain remember
In order to remember similar events, the brain exaggerates the difference between them. This results in divergent brain activity patterns but better memory performance, according to new research published in JNeurosci. (2021-02-22)

Targeting MAPK4 emerges as a promising therapy for prostate cancer
New research opens the possibility that targeting the enzyme MAPK4 in human prostate cancer might provide a novel therapeutic strategy for this disease that is the second leading cause of cancer death in American men. (2021-02-19)

How inflammatory signalling molecules contribute to carcinogenesis
A team of MedUni Vienna researchers led by Johannes A. Schmid at the Center for Physiology and Pharmacology, Institute of Vascular Biology and Thrombosis Research, has managed to identify a previously unknown molecular connection between an inflammatory signalling molecule and one of the main oncogenes. The study has been published in the leading journal 'Molecular Cancer'. (2021-02-17)

Antibiotic could be repurposed and added to tuberculosis treatment arsenal
Research has found fidaxomicin, an antibiotic usually used to treat bowel infections, prevents growth of resistant strains of Mycobacterium tuberculosis (MTb) in the lab. (2021-02-17)

Silencing the alarm
Like a scene from a horror movie, tomato fruitworm caterpillars silence their food plants' cries for help as they devour their leaves. That is the finding of a multidisciplinary team of researchers, who said the results may yield insights into the abilities of crop plants -- such as tomato and soybean -- to withstand additional stressors, like climate change. (2021-02-17)

Cells use concentration gradients as a compass
Biophysicists at Ludwig-Maximilians-Universitaet (LMU) in Munch have developed a new theory, which accounts for the observation that cells can perceive their own shapes, and use this information to direct the distribution of proteins inside the cell. (2021-02-16)

A boost for plant research
Optogenetics can be used to activate and study cells in a targeted manner using light. Scientists at the University of W├╝rzburg have now succeeded in transferring this technique to plants. (2021-02-16)

Neandertal gene variants both increase and decrease the risk for severe COVID-19
Last year, researchers at Karolinska Institutet in Sweden and the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany showed that a major genetic risk factor for severe COVID-19 is inherited from Neandertals. Now the same researchers show, in a study published in PNAS, that Neandertals also contributed a protective variant. Half of all people outside Africa carry a Neandertal gene variant that reduces the risk of needing intensive care for COVID-19 by 20 percent. (2021-02-16)

Common pipistrelle bats attracted to wind turbines
One of the most abundant bats in Europe may be attracted to wind turbines, a new study shows. (2021-02-11)

Study identifies never-before-seen dual function in enzyme critical for cancer growth
In developing therapies for hard-to-treat breast and ovarian cancers in patients with BRCA gene mutations, scientists aim to identify ways to keep cancer cells from using DNA break repair pathways. New findings demonstrate a previously-unknown capability for polymerase theta (pol theta) - a key enzyme in this repair function - that shows promise as a new avenue for treatment development. (2021-02-11)

The chemistry lab inside cells
Osaka University scientists describe a novel protein that spurs the post-translational modifications of the amino acid tryptophan to create an enzyme cofactor. This work may lead to the creation of new biological catalysts. (2021-02-10)

Metabolism: Researchers first to shed light on structure of huge enzyme complex
A new method has enabled the natural structure of particularly large and complex enzymes to be revealed. Scientists at Martin Luther University Halle-Wittenberg (MLU) and TU Berlin have published their findings in the journal Cell Reports. They investigated a multi-enzyme complex that plays an essential role in metabolism and have discovered that it functions differently than previously thought. This will help scientists better understand certain diseases. (2021-02-10)

Study identifies 'Achilles heel' of bacteria linked to Crohn's disease
The discovery of an ''Achilles heel'' in a type of gut bacteria that causes intestinal inflammation in patients with Crohn's disease may lead to more targeted therapies for the difficult to treat disease, according to Weill Cornell Medicine and NewYork-Presbyterian investigators. (2021-02-05)

Probiotics or prebiotics? Exploring the complex world of 'gut' health
Elena Goun at the University of Missouri and an international team of scientists have developed a noninvasive diagnostic imaging tool to measure the levels of a naturally occurring enzyme -- bile salt hydrolase -- inside the body's entire gastrointestinal tract. This research could lead to better precision medicine treatments by providing a way for scientists to better understand how a person's individual gut health is connected to various human pathologies, or the origin and nature of human diseases. (2021-02-04)

Garlic and selenium increase stress resistance in carps, says a RUDN University biologist
A biologist from RUDN University confirmed that selenium nanoparticles and garlic extract can effectively reduce the negative impact of stress on the health of grass carp in the breeding industry. (2021-02-04)

Blink! The link between aerobic fitness and cognition
Researchers from the University of Tsukuba have found evidence that spontaneous eye blink activity, which reflects activity in the dopaminergic system, explains the connection between fitness and cognitive function. This is the first study to indicate that dopamine has an essential role in linking aerobic fitness and cognition. These findings open the door to new research regarding the mechanisms by which exercise improves brain function, and may lead to novel fitness strategies for enhancing cognition. (2021-02-03)

Hydrogen-producing enzyme protects itself against oxygen
Hydrogen-producing enzymes are beacons of hope in biohydrogen research. However, they are so vulnerable to oxygen in the air that it has not been possible to exploit their potential on a larger scale. The recently discovered [FeFe]-hydrogenase CbA5H from the bacterium Clostridium beijerinckii resists the oxygen attack. (2021-02-02)

Researchers discover mechanism to overcome drug-resistance in leukemia
In a new study led by Yale Cancer Center, researchers have discovered a novel metabolic gatekeeper mechanism for leukemia. This mechanism depends on a molecule called PON2, which could lead to a new treatment for the disease. The findings were published online today in the Proceedings of the National Academy of Sciences. (2021-02-01)

Youth with autism see sharp decline in physical activity between ages 9-13
A recent study from Oregon State University has found that to best help kids with autism maintain healthy rates of physical activity, interventions should be targeted during the ages of 9 to 13, as that's when kids show the biggest drop in active time. (2021-02-01)

Remdesivir disrupts COVID-19 virus better than other similar drugs
New PME research shows how the COVID-19 drug remdesivir works at the molecular level, which could help scientists determine how best to use it to treat the disease. (2021-01-29)

Mouse study identifies novel compound that may help develop diabetes drugs
Research led by The Ohio State University Wexner Medical Center and College of Medicine identified a new compound that might serve as a basis for developing a new class of drugs for diabetes. Study findings are published online in the journal Nature Chemical Biology. (2021-01-26)

Fighting cancer from a chair
Cisplatin has been used to treat cancer since the 1970s. Since then, many other platinum-containing cytostatic drugs have been developed, such as triplatinNC, a highly charged complex that contains three ligand-bridged platinum atoms. Unlike cisplatin, this drug also directly inhibits metastasis. The reason for this seems to be modulation of the geometry of a sugar component of heparan sulfate, an important component of the extracellular matrix, reports a research team in the journal Angewandte Chemie. (2021-01-25)

MRI helps unravel the mysteries of sleep
Scientists at EPFL and the Universities of Geneva, Cape Town and Bochum have joined forces to investigate brain activity during sleep with the help of MRI scans. It turns out our brains are much more active than we thought. (2021-01-22)

Regulating the ribosomal RNA production line
The enzyme that makes RNA from a DNA template is altered to slow the production of ribosomal RNA (rRNA), the most abundant type of RNA within cells, when resources are scarce and the bacteria Escherichia coli needs to slow its growth. (2021-01-22)

Scientists make pivotal discovery on mechanism of Epstein-Barr virus latent infection
Wistar Researchers have discovered a new enzymatic function of the Epstein-Barr Virus (EBV) protein EBNA1, a critical factor in EBV's ability to transform human cells and cause cancer. Study provides new indications for inhibiting EBNA1 function, opening up fresh avenues for development of therapies to treat EBV-associated cancers. (2021-01-21)

Sloan Kettering Institute scientists solve a 100-year-old mystery about cancer
A long-standing mystery is why fast-growing cells, like cancer cells and immune cells, rely on a seemingly inefficient form of metabolizing glucose to power their activities. In a new study, scientists at the Sloan Kettering Institute offer a compelling solution. (2021-01-21)

Breakthrough in understanding 'tummy bug' bacteria
Scientists have discovered how bacteria commonly responsible for seafood-related stomach upsets can go dormant and then ''wake up''. (2021-01-20)

Target of new cancer treatment valid for breast as well as blood cancers: study
Newly published research shows that a new anti-cancer drug developed at the University of Alberta, set to begin human trials this year, may work against breast cancer as well as blood cancer. (2021-01-20)

Gene-editing 'scissor' tool may also be a 'dimmer switch'
In a series of experiments with laboratory-cultured bacteria, Johns Hopkins scientists have found evidence that there is a second role for the widely used gene-cutting system CRISPR-Cas9 -- as a genetic dimmer switch for CRISPR-Cas9 genes (2021-01-19)

Researchers discover mechanism behind most severe cases of a common blood disorder
G6PD deficiency affects about 400M people worldwide and can pose serious health risks. Now, researchers think they've found the cause of the most severe cases, which could finally lead to treatments. (2021-01-19)

Scientists discover key enzyme responsible for skin blistering in the elderly
The Granzyme B (GzmB) enzyme, which accumulates in certain tissues as we age, has been identified as a driver of itchy and sometimes life-threatening autoimmune conditions known as pemphigoid diseases (PDs), which cause blistering and skin erosion below the skin's surface. New research led by University of British Columbia (UBC) and Vancouver Coastal Health Research Institute (VCHRI) scientists has found that a gel containing a specific and potent inhibitor of GzmB activity, VTI-1002, resulted in significant improvements on skin affected by PDs. (2021-01-12)

Study shows meaningful lockdown activity is more satisfying than busyness
With much of the world practicing varying degrees of social distancing and lockdown, researchers have been investigating the key to happiness in isolation. (2021-01-11)

Expanding the boundaries of CO2 fixation
Design and realization of synthetic enzymes open up an alternative to natural photorespiration (2021-01-09)

Nanocrystals that eradicate bacteria biofilm
POSTECH-UNIST joint research team finds ways to control the surface texture of nanostructures. (2021-01-08)

Integrator: A guardian of the human transcriptome
In a joint collaboration, Danish and German researchers have characterized a cellular activity that protects our cells from potentially toxic by-products of gene expression. This activity is central for the ability of multicellular organisms to uphold a robust evolutionary 'reservoir' of gene products. (2021-01-05)

Immunology study finds protein critical to T cell metabolism and anti-tumor immune response
Researchers at The University of Texas MD Anderson Cancer Center have discovered that a protein called NF-kappa B-inducing kinase (NIK) is essential for the shift in metabolic activity that occurs with T cell activation, making it a critical factor in regulating the anti-tumor immune response. (2021-01-04)

UC researcher urges caution using remdesivir to treat COVID-19
Research at the University of Cincinnati, however, contends that this antiviral drug is being used too indiscriminately when treating patients hospitalized with the virus. The study is published in the journal Fundamental & Clinical Pharmacology. (2020-12-29)

Wistar reports new class of antibiotics active against a wide range of bacteria
Wistar Institute scientists have discovered a new class of compounds that uniquely combine direct antibiotic killing of pan drug-resistant bacterial pathogens with a simultaneous rapid immune response for combatting antimicrobial resistance (AMR). These finding were published today in Nature. (2020-12-23)

Scientists pinpoint molecular cause for severe disorder in children
A team of scientists from the University of Ottawa have opened a window into the cause of a rare genetic disorder that causes mortality in young children. (2020-12-22)

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