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Search results for “Gene Expression”

1,000+ results for "Gene Expression"

Combining the VIGex gene expression signature with liquid biopsy may improve response prediction to immunotherapy

Researchers have found that combining the VIGex gene expression signature with liquid biopsy analysis improves response prediction to immunotherapy in patients with advanced solid tumors. The study analyzed tumor samples and circulating tumor DNA (ctDNA) by liquid biopsy, showing that the VIGex-Hot subgroup was associated with higher o...

SourceVall d'Hebron Institute of Oncology·JournalJCO Precision Oncology·DateNov 7, 2024

Cracking the genomic code

New research from Sharon Torigoe at Lewis & Clark College confirms the importance of low-affinity binding sites for Klf4 gene enhancers in naive-state pluripotent stem cells. This discovery advances scientists' knowledge of gene expression mechanisms and has implications for regenerative medicine and understanding human disease.

SourceLewis & Clark College·JournalPLOS ONE·TypeExperimental study·DateOct 15, 2024

K-State researchers determine molecular interactions in plants

Researchers led by Kathrin Schrick discovered a new type of molecular interaction between a protein and a phospholipid molecule, which regulates gene expression levels. This finding has significant implications for developing crops that can efficiently use phosphorus, essential for plant growth, to withstand drought and climate change.

SourceKansas State University·JournalNew Phytologist·TypeComputational simulation/modeling·DateSep 5, 2024

Enhanced expression of two ISGs as potential biomarkers of prognosis in HIV-infected immunological non-responders

Researchers found that HIV-infected individuals with impaired immune recovery (INRs) have significantly higher expression of IFI27 and IFI6 in their peripheral blood compared to those who recovered well (IRs). A predictive model using these genes, along with age and CD4+ T/CD8+ T ratio, accurately identified INRs. These findings sugges...

SourceCompuscript Ltd·JournalZoonoses·DateAug 15, 2024

New open-source platform for high-resolution spatial transcriptomics

A new open-source platform, Nova-ST, is transforming gene expression profiling in tissue samples by offering affordable and high-resolution spatial analysis. This approach allows scientists to map gene expression across a tissue section with a spatial context, enabling the study of complex biological processes.

SourceVlaams Instituut voor Biotechnologie·JournalCell Reports Methods·TypeComputational simulation/modeling·DateAug 6, 2024

The hidden drivers of evolution: transposable elements in Rosaceae genomes

This study investigates transposable elements in 14 Rosaceae genomes, revealing distinct evolutionary patterns and effects on genome size and gene expression. Gene near recent TE insertions are associated with adversity resistance, while those near older insertions link to morphogenesis, enzyme activity, and metabolic processes.

Variants in the genome affect DNA methylation

Scientists at deCODE Genetics found that genome variants drive the correlation between DNA methylation and gene expression. The research uses new nanopore sequencing technology to analyze DNA sequences in real-time, revealing a link between noncoding sequence variants and diseases.

SourcedeCODE genetics·JournalNature Genetics·TypeMeta-analysis·DateJul 24, 2024

A CNIC team has created an innovative tool for the reliable and efficient study of gene function

A CNIC team has developed iSuRe-HadCre, a novel genetic tool that enables precise and efficient gene modification in mouse models. This new technology overcomes limitations of existing methods, offering improved efficiency, precision, and applicability in biomedical research.

SourceCentro Nacional de Investigaciones Cardiovasculares Carlos III (F.S.P.)·JournalNucleic Acids Research·TypeExperimental study·DateJun 11, 2024

Changes Upstream: RIPE team uses CRISPR/Cas9 to alter photosynthesis for the first time

Researchers from the University of Illinois have used CRISPR/Cas9 to alter the upstream regulatory DNA of a food crop, increasing gene expression and improving downstream photosynthesis. This approach, which does not require adding foreign DNA, has shown promising results in increasing photosynthetic activity in rice.

Low doses of kretek cigarette smoke altered rat lung histometric, and overexpression of the p53 gene

A study found that low doses of filtered kretek cigarette smoke altered rat lung histometric measurements, increasing the size of respiratory bronchioles. P53 gene overexpression was also observed in response to exposure. The findings suggest potential health risks from even low levels of kretek cigarette smoke.

SourceBentham Science Publishers·JournalThe Open Respiratory Medicine Journal·DateJun 6, 2024

Gene cluster expression index and potential indications for targeted therapy and immunotherapy for lung cancers

A novel gene cluster expression analysis was introduced to potentially expand treatments for more lung cancer patients. The study found that a gene cluster expression index can classify cancers with dramatically different recurrence risks, with higher risk groups suitable for targeted therapy or immunotherapy.

SourceXia & He Publishing Inc.·JournalCancer Screening and Prevention·DateMay 22, 2024

Researchers identify new marker for breast cancer prognosis

Researchers found elevated expression of RPGRIP1L in invasive breast cancer specimens, correlating with shorter survival times and unfavorable clinicopathological features. The study identified 50 genes and 15 proteins related to RPGRIP1L expression, including those involved in immune response and metabolism.

SourceWiley·JournalThe FASEB Journal·DateMay 15, 2024

Gene expression analysis reveals clinically significant genes associated with familial hypercholesterolemia and atherosclerosis

The study identifies key genes differentially expressed in individuals with familial hypercholesterolemia (FH) and their association with atherosclerosis. These findings provide insights into the development of cardiovascular diseases and suggest potential therapeutic targets for alleviating their impact.

SourceXia & He Publishing Inc.·JournalGene Expression·DateMay 15, 2024

Dopamine inhibits the expression of hepatitis b virus surface and e antigens by activating the JAK/STAT pathway and upregulating interferon-stimulated gene 15 expression

A study found that dopamine inhibits the expression of HBV surface and e antigens in HepG2 cells, increasing interferon-stimulated gene 15 expression. The JAK/STAT pathway was also activated, leading to decreased HBV DNA and antigen expression in a mouse model.

SourceXia & He Publishing Inc.·JournalJournal of Clinical and Translational Hepatology·DateMay 14, 2024

Transcriptomic analysis of rat brain response to alternating current electrical stimulation: unveiling insights via single-nucleus RNA sequencing

The study identifies neurons as the primary cell subtype sensitive to iACS, with minimal gene expression changes within neurons. Rgs9 is found to be reduced in expression, while unilateral iACS application diminishes its positive neurons in the ipsilateral hemisphere.

SourceSichuan International Medical Exchange and Promotion Association·JournalMedComm·TypeExperimental study·DateMar 17, 2024

Serum iron overload activates the SMAD pathway and hepcidin expression of hepatocytes via SMURF1

Researchers investigated the molecular mechanism of serum iron overload-induced BMP/SMAD pathway and hepcidin expression. SMURF1, a master regulatory function, mediates Holo-Tf-induced SMAD1/5 activation and hepcidin expression. The inhibition of SMURF1 may represent a therapeutic strategy for iron overload-related diseases.

SourceXia & He Publishing Inc.·JournalJournal of Clinical and Translational Hepatology·DateMar 11, 2024

Scientists develop high-resolution method to analyze skin gene expression post burns

Researchers developed a high-resolution cell type deconvolution mode method using CIBERSORTx to analyze pooled skin bulk transcriptome data, identifying eight different skin cell types. This allowed for more accurate analysis of gene expression changes post-burn injury and exploration of new targets for clinical wound healing.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalJournal of Burn Care & Research·DateJan 7, 2024

NIH researchers create genetic atlas detailing early stages of zebrafish development

A new genetic atlas details the gene expression programs that drive zebrafish development, revealing insights into human embryonic growth and the origins of diseases such as gastrointestinal disorders. The atlas provides a comprehensive resource for studying cell development and differentiation in vertebrates.

Revisiting gene dosage

A study by Max Planck researchers has discovered an epigenetic regulator MSL2 that ensures the expression of both alleles of haploinsufficient genes, crucial for human health. This mechanism allows for tissue- and cell-type specificity in gene dosage, opening new directions for understanding diseases and developing potential treatments.

SourceMax Planck Institute of Immunobiology and Epigenetics·JournalNature·TypeExperimental study·DateNov 29, 2023

New insights into the prognostic power of gene expression signatures in breast cancer

The study analyzed 10,000 gene expression signatures to assess their prognostic ability, finding that they lead to accurate patient prognosis in no more than 80% of cases. The researchers emphasize the need for a comprehensive approach incorporating molecular, clinical, histological, and other factors to ensure an accurate prognosis.

SourceUniversität Leipzig·JournalScientific Reports·TypeData/statistical analysis·DateOct 5, 2023

Promising gene-based approaches to repair lethal lung injury in the elderly from COVID-19, pneumonia, flu, sepsis

Researchers discovered a gene called FOXM1 that plays a crucial role in repairing blood vessels and improving survival rates. A low-dose repurposed drug, decitabine, was found to reactivate the gene and promote vascular repair in aged mice. An alternative approach using endothelium-targeted nanoparticle gene delivery also showed promise.

SourceAnn & Robert H. Lurie Children's Hospital of Chicago·JournalScience Translational Medicine·DateSep 18, 2023

Understanding the regulation of apicoplast gene expression in the malaria parasite

Scientists at Tokyo Institute of Technology identified ApSigma, a nuclear-encoded apicoplast RNA polymerase σ subunit that coordinates gene expression with the life cycle of Plasmodium falciparum and host circadian rhythm. Melatonin is shown to increase apicoplast transcription and expression of the apSig gene.

SourceTokyo Institute of Technology·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateJul 3, 2023

AI and CRISPR precisely control gene expression

A new study by researchers at NYU and the New York Genome Center combines deep learning with CRISPR screens to control human gene expression. The model predicts on- and off-target activity of RNA-targeting CRISPRs, enabling precise gene controls for developing new therapies.

SourceNew York University·JournalNature Biotechnology·DateJul 3, 2023

CU researchers weave deeper understanding of diverse ancestry and gene expression

A new study published in Nature Genetics examines the relationship between gene expression and ancestry, revealing ancestry-specific patterns of genetic architecture. The research analyzed whole genome and RNA sequencing data from African American and Hispanic/Latino children, exploring ancestry-related differences in gene expression.