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Science News Archive June 2023 - Page 7


Page 7 of 40

Towards rapid tissue regeneration

Researchers at DTU Health Tech created a multi-levelled scaffold that enables near-perfect bone healing in just eight weeks, without using growth factors or endocrine factors and cells. The scaffold combines essential bone minerals with mechanical properties matching human bone compressive strength.

SourceTechnical University of Denmark·JournalACS Applied Materials & Interfaces·DateJun 27, 2023

Policy Makers Aplenty: Researchers and citizens play positive roles in the governance of human genome editing

A study by Osaka University researchers reveals that various stakeholders, including experts, the general public, and patients, can participate in genome editing governance. This collaboration enables more effective policy-making, with citizens engaging in new initiatives such as interactive events.

SourceOsaka University·JournalAsian Bioethics Review·TypeContent analysis·DateJun 27, 2023

New insights into liver cancer development

A study published in Cancer Research identifies a novel mechanism by which liver cancer develops, involving the aberrant activation of the Wnt signaling pathway and the gene GREB1. The research reveals that GREB1 is responsible for integrating conflicting cellular states of differentiation and proliferation, leading to tumor promotion.

SourceOsaka University·JournalCancer Research·TypeExperimental study·DateJun 27, 2023

Like human, like dog

A recent study by researchers at the University of Vienna found that dogs and humans have brain regions specialized in perceiving body postures, similar to those found in humans. The study used magnetic resonance imaging (MRI) to compare the brains of 40 human participants with 15 pet dogs.

SourceUniversity of Vienna·JournalCommunications Biology·DateJun 27, 2023

The more stakeholders are included in policy planning, the better those policies protect them

Researchers found that groundwater management plans with stakeholder input offered greater protection from groundwater depletion, especially for domestic wells and ecosystems. However, only 9% of plans integrated all three stakeholder groups, with economically vulnerable communities being disproportionately affected.

SourceUniversity of California - Santa Barbara·JournalNature Communications·DateJun 27, 2023

Colin Powell School psychologist Eric Fertuck and colleagues identify neural signature for Borderline Personality Disorder

A new study has identified a neural signature in the rostro-medial prefrontal cortex that may be linked to Borderline Personality Disorder. Individuals with BPD exhibit reduced activity in this region when rejected, suggesting a hypersensitivity to social rejection. This finding could help develop targeted therapies for the disorder.

SourceCity College of New York·JournalBiological Psychiatry Cognitive Neuroscience and Neuroimaging·TypeRandomized controlled/clinical trial·DateJun 27, 2023

The release of DNA methylation map of four Chinese populations and epigenetic variation associated with Tibetans’ adaptation to Qinghai-Tibet Plateau

A DNA methylation map of four Chinese populations, including Tibetans, has been released, showing that epigenetic variation is associated with high-altitude adaptation. The study reveals ethnic-specific and non-ethnic-specific DNA methylation variations correlated to global genetic divergence and high-altitude adaptation genes.

SourceScience China Press·JournalScience China Life Sciences·DateJun 27, 2023

How the evolution of tooth enamel tissue unfolded

A recent study by researchers at the University of Zurich found that the Notch signaling pathway plays a crucial role in shaping and varying tooth enamel. The team used genetically modified mouse models to analyze the effects of the Notch-ligands on teeth, revealing that their absence affected tooth morphology and enamel formation.

SourceUniversity of Zurich·JournalCellular and Molecular Life Sciences·TypeComputational simulation/modeling·DateJun 27, 2023

Cleveland Clinic risk calculator surpasses other clinical measures in predicting overall survival of patients with non-small cell lung cancer

Researchers developed a risk calculator using persistent homology scores from CT scans, which is the strongest predictor of overall survival among standard clinical measures. The calculator has the potential to guide clinicians in choosing treatment options and transform the way outcomes are predicted.

SourceCleveland Clinic·JournalJCO Clinical Cancer Informatics·TypeObservational study·DateJun 27, 2023

Know a shortcut to Paris?

A recent study by Kyoto University has raised concerns about the authenticity of Big Oil's net-zero emissions claims. The research team found that oil majors are not making sufficient progress in phasing out fossil fuels and transitioning to clean energy, despite their pledges to achieve net-zero by 2050.

SourceKyoto University·JournalClimatic Change·TypeData/statistical analysis·DateJun 27, 2023

DNA barcoding identifies the plants a person has eaten

A new technique using DNA barcoding can identify the plant matter in human feces, improving clinical trials, nutrition studies and historical research. The method detected specific plant species and their relative amounts consumed, varying according to diet, age, and household income.

SourceDuke University·JournalProceedings of the National Academy of Sciences·TypeObservational study·DateJun 27, 2023

A symbiosis in the open ocean

Researchers discovered a symbiotic relationship between diatom Hemiaulus hauckii and cyanobacterium Richelia euintracellularis, with the diatom supplying reduced organic compounds to support nitrogen fixation. The study found that proteins from the endosymbiont play a crucial role in molecule transport across cell membranes.

SourcePNAS Nexus·JournalPNAS Nexus·DateJun 27, 2023

New study sheds light on the evolution of animals

A new study published in Trends in Ecology & Evolution suggests that animals first evolved around 574 million years ago. The researchers used advanced analytical techniques to investigate preservation conditions in Cambrian and Neoproterozoic rocks, finding that certain clays were essential for capturing early animal fossils.

SourceUniversity of Oxford·JournalTrends in Ecology & Evolution·DateJun 27, 2023

Obesity associated with increased inflammation and prolonged symptoms after mild traumatic brain injury

Researchers found that obese patients with mild traumatic brain injuries had higher levels of inflammatory biomarkers and prolonged symptoms compared to those with healthy body mass indexes. The study suggests that obesity may mediate the inflammatory response and symptoms in mTBI patients.

SourceUniversity of Pittsburgh·JournalJournal of Neurology Neurosurgery & Psychiatry·DateJun 27, 2023

Molecular imaging identifies brain changes in response to food cues; offers insight into obesity interventions

A study using molecular imaging found that individuals with obesity respond differently to food cues than normal-weight individuals, with altered connectivity between brain networks. The research offers valuable insights into potential medical interventions for obesity, including novel drug treatments and behavioral therapies.

SourceSociety of Nuclear Medicine and Molecular Imaging·JournalJournal of Nuclear Medicine·DateJun 27, 2023

A new generic treatment for multiple types of cancer

Researchers have developed a new technique to generically treat several kinds of cancer, showing tumors grew almost three times less and survival rates reached 100% after just one injection. The method targets cancer cells with alpha radiation, sparing healthy tissue.

SourceRIKEN·JournalChemical Science·DateJun 27, 2023

New developments for high-speed internet from space enabled by coherent modulation and adaptive optics

A team of researchers demonstrated a 1 Terabit per second line-rate over a wireless distance of 53.42 km using advanced optical modulation formats. Adaptive optics mitigation technique improved received optical power, enabling high data-rates despite atmospheric turbulence.

European bird communities move to cooler areas, but mountain ranges and coastlines ‘control the traffic’

Researchers found that two-thirds of European bird species shifted northeastward by an average of 100km over the past 30 years, with coastal communities facing extinction. Mountain ranges also controlled bird migrations, preventing some species from adapting to changing temperatures.

SourceUniversity of Helsinki·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateJun 27, 2023

Updated guidance shows how hospitals should protect patients from resistant infections

The updated guidance emphasizes the importance of antimicrobial stewardship to reduce MRSA infection rates. It also recommends surveillance for asymptomatic carriers and decolonization for those colonized with MRSA. Effective hand hygiene and cleaning practices remain crucial in preventing MRSA transmission.

SourceSociety for Healthcare Epidemiology of America·JournalInfection Control and Hospital Epidemiology·TypeLiterature review·DateJun 27, 2023

New drug delivery method can reverse senescence of stem cells

A new drug delivery method utilizes polymer-stabilized crystals to deliver antioxidants to stem cells, minimizing variation in drug release and extending the duration of effectiveness. This technology can be applied to various cell cultures and potentially other hydrophilic drugs, disease models, and methods applications.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalAdvanced Functional Materials·TypeExperimental study·DateJun 27, 2023

Lupus flare-ups strongly linked to specific bacterial growth in gut

A new study from NYU Langone Health found a strong link between lupus flare-ups and specific bacterial growth in the gut, particularly Ruminococcus blautia gnavus. The researchers identified 34 genes linked to the bacterium's growth in people with inflammation, highlighting its potential role in triggering autoimmune diseases.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalAnnals of the Rheumatic Diseases·TypeRandomized controlled/clinical trial·DateJun 27, 2023

HSE scientists investigate third-party punishment for unfairness

Researchers from HSE Institute of Cognitive Neuroscience examine the brain's reaction to social norms violations and calculate a behavioral index to assess an individual's sensitivity to unfairness. This index can be used to develop personalized rehabilitation programs for patients with various types of behavioral disorders.

PT-symmetric lasers beyond proof-of-concept demonstrations

Researchers have developed a novel electrically pumped edge-emitting laser chip with unprecedented performance, achieving single-mode output power levels of 400 mW at room temperature. The device uses PT-symmetry to suppress higher-order modes, maintaining beam quality comparable to narrow waveguide devices.