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Research Brief: Researchers determine that AI-based tools have not yet reached full diagnostic potential in COVID-19

Researchers evaluated the real-time performance of an AI model to detect COVID-19 from chest X-rays and found that it did not outperform radiologist predictions. The study highlights the limitations of AI in diagnostic accuracy, particularly for certain groups such as women and minority populations.

SourceUniversity of Minnesota Medical School·JournalRadiology·TypeComputational simulation/modeling·DateJul 28, 2022

Orchid helps insect get a grip

The white egret orchid's unique petal shape supports the hawkmoth pollinator, leading to higher healthy seed production. The research found that intact plants produced more seeds than those with the fringed petal removed.

SourceKobe University·JournalEcology·TypeExperimental study·DateJul 28, 2022

Fast food diet before pregnancy can impact breast milk and baby’s health, say scientists

A new study found that a fast food diet before pregnancy can negatively impact breast milk quality and baby's health, increasing the risk of conditions like heart disease and diabetes. Even short-term consumption of high sugar and fat diets affects women's health and fertility.

SourceSt. John's College, University of Cambridge·JournalActa Physiologica·TypeRandomized controlled/clinical trial·DateJul 27, 2022

Scientists find molecular clues behind acute and chronic phases of traumatic brain injury

Researchers at Arizona State University have discovered molecular signatures associated with acute and chronic phases of traumatic brain injury (TBI). The study aims to address current limitations in TBI diagnosis and treatment by identifying biomarkers and understanding the blood-brain barrier's role in drug delivery.

SourceArizona State University·JournalScience Advances·TypeExperimental study·DateJul 22, 2022

New study offers hope to endangered species

A new study investigates how birds experience neophobia, which could play a vital role in helping to save Critically Endangered species. The research gathered data on the behavior of captive Bali myna birds, revealing that juvenile birds may be more suitable for reintroduction than adults.

SourceAnglia Ruskin University·JournalRoyal Society Open Science·DateJul 19, 2022

Researchers discover neural plastic changes that improve functional recovery after cervical spinal cord injury

Researchers have discovered neural plastic changes that can improve functional recovery after a cervical spinal cord injury. Using an optogenetic neuromodulation strategy, they found that the intact corticospinal system in the opposite side of the brain and spinal cord can be modulated to take over control of the damaged forelimb, resu...

SourceIndiana University School of Medicine·JournalJournal of Clinical Investigation·DateJul 19, 2022

New research puts your online privacy preferences to the test

A new study highlights the importance of distinguishing between consumers' intrinsic and instrumental privacy preferences when providing data-sharing options. The research found that marketers and websites should separate these two components to reduce bias in analysis and improve understanding of consumer behavior.

SourceInstitute for Operations Research and the Management Sciences·JournalMarketing Science·TypeCase study·DateJul 18, 2022

The retron switch

Scientists identified that retrons encode toxin proteins kept inactive by a small DNA fragment, unleashing them upon viral attacks. The EMBL team discovered how retrons form antitoxins and found natural switches to trigger growth inhibition complexes.

Neutrino factories in deep outer space

An international research team has shed light on the origin of neutrinos, shedding new evidence that blazars can be confidently associated with astrophysical neutrinos. The study utilizes neutrino data from the IceCube Neutrino Observatory and BZCat catalogue to establish a connection between high-energy neutrinos and galactic nuclei.

SourceUniversité de Genève·JournalThe Astrophysical Journal Letters·TypeData/statistical analysis·DateJul 14, 2022

Moffitt researchers discover DNA copy number alterations lead to changes in RNA circuits that impact melanoma metastasis

Researchers at Moffitt Cancer Center discovered that gains in chromosome 1q stimulate a network of competitive endogenous RNA molecules that promote melanoma metastasis. These RNA sequences act as 'ceRNAs' that sponge miRNA molecules, driving tumor growth and development.

SourceH. Lee Moffitt Cancer Center & Research Institute·JournalCancer Research·TypeExperimental study·DateJul 14, 2022

Research reveals how brain inflammation may link Alzheimer’s risk, sleep disturbance

A recent study discovered that brain inflammation may be a key link between Alzheimer's disease risk and sleep disturbance. The research found that age-related increases in brain inflammation can disrupt fast sleep spindles, which are crucial for long-term memory retention. This disruption contributes to age-related memory impairment i...

SourceUniversity of California - Irvine·JournalSLEEP·TypeObservational study·DateJul 13, 2022

Johns Hopkins researchers call for closing gap in collecting racial and ethnic data in studies of rare genetic condition

A systematic review of US-based studies on Hereditary Hemorrhagic Telangiectasia (HHT) reveals a lack of racial and ethnic data, potentially impacting treatment and diagnosis. The study highlights the need for inclusive research designs to address growing concerns about racial disparities in HHT care.

SourceJohns Hopkins Medicine·JournalOrphanet Journal of Rare Diseases·DateJul 11, 2022

Bioproduction Breakthrough: New method for developing Pichia pastoris yeast strains with high productivity of useful proteins

Researchers at Kobe University have successfully identified and disrupted genes in Pichia pastoris yeast to increase its secretory production of useful proteins. Through a series of processes, they developed new host strains that can produce high yields of proteins for industrial enzymes and biomedical antibodies.

SourceKobe University·JournalCommunications Biology·TypeExperimental study·DateJul 7, 2022

Coin-sized device detects measles virus in saliva

A novel point-of-care biosensing device has been developed to detect measles virions in human saliva, potentially aiding in viral spread control. The device, smaller than a €1-cent coin or U.S. quarter, utilizes lab-on-a-chip technology and showed high accuracy in experiments.

SourceWiley·JournalAdvanced Functional Materials·DateJul 7, 2022

Social interactions tied to sense of purpose

Research from Washington University in St. Louis finds that positive social interactions are associated with a greater sense of purpose in older adults, particularly those who are retired. The study suggests that the quality of relationships and social connections play a significant role in shaping one's sense of purpose.

SourceWashington University in St. Louis·JournalAmerican Journal of Geriatric Psychiatry·TypeData/statistical analysis·DateJul 7, 2022

Study points to Armenian origins of ancient crop with aviation biofuel potential

Research from Washington University in St. Louis reveals that camelina, an ancient oilseed crop, may have been more important and widespread than previously thought, with origins in the Caucasus region near present-day Armenia. The study's findings support breeding programs to improve this crop for biofuels applications, highlighting i...

SourceWashington University in St. Louis·JournalAmerican Journal of Botany·TypeExperimental study·DateJul 5, 2022

Largest genetic atlas for zebrafish ‘breakthrough’ for biomedical research

Researchers have created the largest genetic atlas for zebrafish, which provides a comprehensive understanding of gene expression and developmental dynamics. The atlas, developed by the DANIO-CODE consortium, offers a broad picture of candidate DNA regions for transgenic breeding and genetic research into development and diseases.

SourceUniversity of Birmingham·JournalNature Genetics·TypeMeta-analysis·DateJul 4, 2022

Dynamic cells linked to brain tumor growth and recurrence

A study by Michigan Medicine researchers has identified oncostreams, highly active cells connected to brain tumor growth and invasion. The team found that eliminating Collagen 1 production from tumor cells reduces tumor aggressive behavior. This discovery could lead to novel therapeutic targets for treating lethal brain tumors.

SourceMichigan Medicine - University of Michigan·JournalNature Communications·TypeExperimental study·DateJun 28, 2022

Fossils in the ‘Cradle of Humankind’ may be more than a million years older than previously thought

Fossils found in the 'Cradle of Humankind' in South Africa are estimated to be between 3.4 and 3.7 million years old, making them older than previously thought. This new age range places these fossils at the beginning of the Australopithecus era, challenging previous theories that they were near the end.

SourcePurdue University·JournalProceedings of the National Academy of Sciences·DateJun 27, 2022