Articles tagged with Scientific Journals
Scientists have created a mouse model of Wolf-Hirschorn Syndrome, a genetic disorder characterized by physical abnormalities and developmental delays. The model, which mimics the disease's effects on cardiac valves and facial structures, offers a valuable tool for researchers studying human development and disease.
A study by University of Illinois scientists reveals the FRG1 gene is crucial for angiogenesis, contributing to blood vessel growth and organization in the retina. The findings support the idea that FRG1 expression is a main cause of visual deficits associated with facioscapulohumeral muscular dystrophy.
Researchers developed a novel approach to isolate high-quality RNA from Kupffer cells, overcoming technical obstacles. The method uses laser capture microdissection with India ink labeling, resulting in enriched mRNA and significant gene expression changes.
Researchers found that alpha-fetoprotein is highly expressed in developing rat colons, particularly at embryonic day 18.5, and decreases significantly as the animal matures. The protein is localized to mesenchymal cells throughout different developmental stages of the colon.
A study by Michael D. Dodd and colleagues found that inhibition of return occurs during visual search tasks, but not during other visual behaviors. Volunteers were tracked while viewing scenes to identify eye movements, revealing a 'facilitation of return' effect where previously fixated locations are shifted faster than new ones.
Researchers found that imagining a posture can affect behavior, suggesting that our 'peripersonal space' can be extended to influence actions. This ability may have advantages in determining realism and avoiding collisions.
A new study published in The FASEB Journal reveals that poor nutrition during pregnancy can lead to permanent genetic changes in the offspring, causing health problems such as diabetes, growth retardation, and cardiovascular disease. The researchers found that rat fetuses receiving inadequate nutrition became genetically primed to be b...
The recent special edition of Virology journal explores the past, present, and future of small DNA tumor viruses, including polyomaviruses, adenoviruses, and papillomaviruses. These viruses have led to fundamental discoveries in basic biology, unraveling complex aspects of host cells.
A recent analysis found that downloads and citations are highly correlated with a 0.74 correlation coefficient, indicating that downloads can be used as an alternative metric to measure article impact. Downloads mirror citations but become available about two years earlier.
Researchers have discovered a group of nerve ending receptors and chemicals that can activate them, providing a blueprint for the development of new laxatives. This breakthrough has the potential to make bowel movements easier, especially for infants and the elderly.
A recent study found that flood conditions can decrease soil aggregation stability by up to 20%, impacting crop production. The research suggests that reducing conditions contribute to the degradation of soil structure.
Research by Joshua M. Ackerman and John A. Bargh found that imagining another person's self-control can lead to a depletion of one's own self-control, causing impulsive behaviors like overspending. In experiments, participants who imagined exerting self-control in someone else performed worse on cognitive tasks after the simulation.
New research using African frogs reveals that alcohol 'hijacks' a molecule needed to produce retinoic acid, which is crucial for embryonic development. This leads to cellular disorientation and malformations in babies.
The study found that organic and rotational grazing systems were more profitable than conventional monocropping, despite increased risk exposure. The results suggest that governmental policy should support crop rotations and organic farming practices.
A new study identifies a clinical prediction rule that can accurately predict patients most likely to benefit from measures to prevent recurrent C. difficile infection, which has become the leading known cause of hospital-acquired infectious diarrhea in developed countries.
A space experiment has shown that bone-destroying cells sense the absence of mechanical resistance and react by destroying bone. This discovery helps explain why bedridden patients and astronauts experience bone loss, providing a potential new drug target for stopping the process.
Research reveals that specific HCV genotype 4a mutations affect treatment outcomes, with a higher frequency of mutations associated with sustained viral response. The study identifies potential targets for developing new assays to predict treatment efficacy.
A new study published in the Journal of Personality reveals that personality at adolescence predicts reproductive success later in life. Adolescents with socially dominant personalities were more likely to have children as adults, suggesting that status striving may be important for reproductive success even in modern humans.
The Journal of General Physiology explores the mysteries of TRP channels, which are crucial for various senses. The latest Perspectives series provides a comprehensive overview of their biophysics, protein structure, and gating processes, shedding light on areas in need of further exploration.
A new study published in Archives of Gerontology and Geriatrics challenges the concept of consensus in anti-aging medical intervention, citing diverse therapeutic approaches and conflicting opinions. Dr. Imre Zs.-Nagy proposes an open-minded approach to reconcile differences and achieve a realistic goal of aging intervention.
Researchers at Uppsala University have identified the three genes that determine warfarin dosage: VKORC1, CYP2C9, and CYP4F2. This discovery will enable more precise treatment and reduce the risk of bleeding or blood clots.
Research finds that three- and four-year-old children favor majority opinions, even in follow-up experiments with only two individuals present. This suggests young children can recognize and trust consensus, and remember group membership.
The research, led by Johan Bollen, created a high-resolution graphic depiction of the virtual trails scientists leave behind when they retrieve information from online services. The map reveals unexpected relations between scientific domains and emerging relationships capturing the collective interest of the scientific community.
Researchers found that 'dialectical bootstrapping' technique can improve accuracy of estimates across various domains by averaging conflicting opinions and considering potential errors. The study suggests this method can be an effective strategy for boosting individual decision-making.
Researchers found that describing past actions in the imperfective aspect (e.g. I was solving word puzzles) improves memory recall and performance on similar tasks compared to the perfective aspect (e.g. I solved word puzzles). This technique may be useful in behavioral therapy for increasing healthy behaviors.
Research reveals that chemicals in cranberries, called proanthocyanidins, prevent E. coli bacteria from attaching to urinary tract cells. This prevents the development of UTIs, which burden the healthcare system with significant treatment costs.
Researchers at UT Southwestern used a computer-based tool to analyze millions of abstracts and found nearly 70,000 highly similar citations. Journal editors' reactions to the investigation revealed varying attitudes towards dealing with plagiarism, with some admitting to having borrowed previously published material.
A new study explores how and when politicians can use fear to manipulate the public into supporting policies they might otherwise oppose. Politicians' use of fear is more likely with abstract topics that are difficult for citizens to observe.
A new study published in the FASEB Journal reveals that a gene in the blind mole rat, which allows it to thrive in low-oxygen environments, is also active in human tumors. This discovery could lead to the development of new anti-cancer drugs that 'suffocate' tumors.
A new study finds that power can cause individuals to think they have more personal control over outcomes than they actually do. Researchers discovered that those in positions of power are more likely to believe they can influence events beyond their control, resulting in unrealistic optimism and inflated self-esteem.
A study by Dr. Ri-Nan Zheng found that esomeprazole significantly reduced heartburn scores and resolved symptoms faster than omeprazole, lansoprazole, and pantoprazole in patients with reflux esophagitis. The results suggest esomeprazole may be the best choice for symptom relief in these patients.
Research reviews scientific evidence on tooth decay, concluding that good oral hygiene and fluoride toothpaste practices override the effects of food alone. Lifestyle factors such as regular brushing and dental health education are essential in preventing tooth decay.
Research by Christophe Boone and Walter Hendriks found that IT firms with diverse expertise and work experience tend to be more effective in managing organizations. In contrast, personality diversity hinders firm performance. The study suggests using carefully designed personnel selection techniques to screen for knowledge and experience.
A study found that tillage and nutrient management practices can affect soil carbon storage differently depending on the soil profile. When considering only the top 20 cm of soil, no-till treatments showed higher organic carbon stocks, but this effect was cancelled when accounting for deeper soil layers.
The journal Molecular Oncology has been accepted by Thomson Reuters for inclusion in the Science Citation Index Expanded and other prominent databases. It highlights new discoveries and approaches in basic, clinical, and translational research related to cancer.
A study found significant confusion among pre-hospital healthcare providers regarding living wills and DNR orders, which can compromise lifesaving care. Implementing clearly defined code status designations within living wills can clarify this confusion and ensure patient safety.
Researchers have developed a human cell-derived model of ALS, allowing for the study of the disease's progression and potential therapeutics. The model, derived from motor neurons generated from human embryonic stem cells, exhibits characteristics typical of the disease.
A new study describes how telomere dysfunction in skin cells can lead to increased skin cancer risk and pigmentation. Limiting the activity of a tumor suppressor protein, p53, restores cell regeneration but also advances skin cancer progression.
Bias in medical literature can be prevented through recognition and declaration of competing interests, detailed authorship policies, and mechanisms to control outcome reporting bias. The PLoS Medicine editors propose these measures to reestablish the integrity of the scientific record.
A study published in the World Journal of Gastroenterology found that low-dose furazolidone-based quadruple regimens are effective for treating H pylori infection, with eradication rates ranging from 70-90%. The regimens have a low cost and relatively minor side effects, making them a useful option for rescue therapy, particularly in d...
Researchers found that males' mating organs with barbs cause severe injuries to females, but also increase fertilization success rates, outcompeting males with shorter barbs
A new study finds that open access articles experience a 12% increase in usage compared to commercial formats, but have only a small positive impact on attention. Open source publications benefit researchers in developing countries with limited access to research funding and libraries.
Recent experiments using brain waves have shown that our brains rapidly draw upon a wide range of information to understand unfolding sentences. Key findings include the rapid classification of speakers based on their voice and social stereotypes.
A new study by Hyunjin Song and Norbert Schwarz found that people tend to classify difficult-to-pronounce items as risky, whether they are desirable or undesirable risks. This suggests that the ease of processing a product's name can influence risk perception.
A study found that when individuals are presented with a challenging task, they are more likely to be drawn to it and perceive its importance in helping them achieve their goals. Conversely, simple tasks are often overlooked despite being equally valuable.
A study suggests that measuring intra-abdominal pressure can help predict abdominal compartment syndrome in acute pancreatitis patients. The research team recommends IAP monitoring for patients with severe acute pancreatitis (SAP) to prevent mortality.
Researchers found that fruit fly females' genes are activated similarly to an immune reaction when they mate, leading to a heightened defense system. The cost of mating is also revealed to be high, as females produce fewer offspring due to male harassment and toxic sperm fluid.
Researchers found that E-cadherin and N-cadherin expression is correlated with invasion and aggravation of esophageal squamous cell carcinoma. The down-regulation of N-cadherin decreases invasiveness of esophageal squamous cell carcinoma cells in vitro.
A study by Tufts University psychologists found that mentally depleted individuals were more direct and authentic in conversation with black interviewers, and perceived as less prejudiced. This suggests that relinquishing power over oneself can lead to more harmonious interactions.
When reading sentences describing everyday actions, volunteers who read second-person statements (
A study by the University of Minnesota found that 'Honeycrisp' apple trees produce more blushed fruit than striped ones, which have more intense markings. The research also discovered that northeast-facing branches produce more blushed fruit, highlighting the importance of tree position in determining peel pattern.
A team of researchers has developed a new method to analyze grape shapes using digital technology, which enables faster and more accurate breeding of elongated grapes. The study, led by Dr. John R. Clark, uses a special application of the SigmaScan technology to measure the area of each grape and calculate its shape.
Scientists analyze Lake Kråkenes sediments to detect short-term climate fluctuations. They attribute these changes to glacial melt runoff driven by the Gulf Stream's variability. The findings reveal a period of high-frequency climate oscillations during the Younger Dryas cold period.
Researchers explore social behavior in various animal species, including birds and gerbils, to understand how they use social cues for mating, diet, and survival. These findings demonstrate that animals have evolved complex social behaviors, challenging the idea of human exceptionalism.
Recent findings suggest early humans primarily ate gelatin, contradicting the long-held notion that they ate hard, tough foods like nuts. This shift in understanding may be linked to crisis situations rather than everyday dietary needs.
The AAAS Science Journalism Awards have received a $2 million endowment from the Kavli Foundation to foster strong, probing science writing. The awards, established in 1945, recognize distinguished reporting on science by professional journalists.
Researchers found that males maintain larger social networks with other males compared to women and have longer-lasting friendships with members of the same-sex. Males rated their roommates as more satisfactory and less bothersome than females did.
Richard A. Meserve has been selected to receive the 2008 Philip Hauge Abelson Prize for his remarkable career advancing science in the public interest. He is recognized for his contributions to institutions, scientific communities, and the general public, both domestically and internationally.
Drummond Rennie receives AAAS Scientific Freedom and Responsibility Award for his efforts to promote integrity in scientific publishing and research. He is recognized for his advocacy on issues such as publication bias, conflicts of interest, and compulsory registration of clinical trials.
Pragmatically licensed statements, which sound natural and informative, don't hinder the brain's understanding of negative statements. In contrast, pragmatically unlicensed statements elicit similar ERPs to true words, suggesting negation is not more challenging when useful.