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The role of amylin, a gut-brain axis hormone, in metabolic and neurological disorders

2 days 15 hours ago
Amylin, also known as islet amyloid polypeptide (IAPP), is a pancreatic β-cell peptide hormone involved in satiation and control food intake. It is also produced in smaller quantities by neurons, the gastrointestinal tract, and spinal ganglia. Numerous studies have revealed that patients with type 2 diabetes mellitus (T2DM) and cognitive deficits exhibit IAPP deposits in the pancreas, brain, and blood vessels. IAPP has also been shown to exert neuroprotective effects against Alzheimer's disease...
Tahir Muhammad

Neuron-specific repression of alternative splicing by the conserved CELF protein UNC-75 in C. elegans

2 days 15 hours ago
Tissue-regulated alternative exons are dictated by the interplay between cis-elements and trans-regulatory factors such as RNA binding proteins. Despite extensive research on splicing regulation, the full repertoire of these cis and trans features and their evolutionary dynamics across species are yet to be fully characterized. Members of the CUG-binding protein and ETR-like family (CELF) of RNA binding proteins are known to play a key role in the regulation of tissue-biased splicing patterns,...
Pallavi Pilaka-Akella

Language models for protein design

5 days 15 hours ago
The recent surge of large language models has shown that machines are capable of reading, understanding, and communicating through language, even sometimes displaying capabilities surpassing those of humans. Proteins can be represented as strings of amino acids akin to words in a sentence, and the same principles of language modeling can be used to learn informative representations for protein structure prediction, design, and property prediction. In this review, we will focus on applications of...
Jin Sub Lee

Internet-Based Cognitive Behavioral Therapy for Preventing Postpartum Depressive Symptoms Among Pregnant Individuals With Depression: Multicenter Randomized Controlled Trial in China

5 days 15 hours ago
CONCLUSIONS: Among individuals with antenatal depression, ICBT did not prevent the development of PPD. However, ICBT may be a preferable option for those with mild to moderate antenatal depressive symptoms. Future research is needed to explore modifications to ICBT to address more severe depressive symptoms.
Chen-Chi Duan

Cross-kingdom-mediated detection of intestinal protozoa through NLRP6

1 week ago
Intestinal protists are detected by the host innate immune system through mechanisms that remain poorly understood. Here, we demonstrate that Tritrichomonas protozoa induce thickening of the colonic mucus in an NLRP6-, ASC-, and caspase-11-dependent manner, consistent with the activation of sentinel goblet cells. Mucus growth is recapitulated with cecal extracts from Tritrichomonas-infected mice but not purified protozoa, suggesting that NLRP6 may detect infection-induced microbial dysbiosis. In...
Nathaniel J Winsor

iModEst: disentangling -omic impacts on gene expression variation across genes and tissues

1 week ago
Many regulatory factors impact the expression of individual genes including, but not limited, to microRNA, long non-coding RNA (lncRNA), transcription factors (TFs), cis-methylation, copy number variation (CNV), and single-nucleotide polymorphisms (SNPs). While each mechanism can influence gene expression substantially, the relative importance of each mechanism at the level of individual genes and tissues is poorly understood. Here, we present the integrative Models of Estimated gene expression...
Dustin J Sokolowski

Synergistic RAS-MAPK and AKT Activation in MYC-Driven Tumors via Adjacent PVT1 Rearrangements

1 week 2 days ago
MYC-driven (MYC+) cancers are aggressive and often fatal. MYC dysregulation is a key event in these cancers, but overexpression of MYC alone is not always enough to cause cancer. Plasmocytoma Variant Translocation 1 (PVT1), a long non-coding RNA (lncRNA) adjacent to MYC on chromosome 8 is a rearrangement hotspot in many MYC+ cancers. In addition to being co-amplified with MYC, the genomic rearrangement at PVT1 involves translocation, which has had obscure functional consequences. We report that...
Ashutosh Tiwari

Sex differences in biomarkers and biologic mechanisms in psoriatic diseases and spondyloarthritis

1 week 2 days ago
Psoriasis and spondyloarthritis (SpA), including psoriatic arthritis (PsA), are immune-mediated inflammatory conditions that affect the skin and musculoskeletal system. Males and female patients with psoriatic disease and SpA exhibit differences in clinical presentation, disease progression, and treatment response. The underlying biological mechanisms driving these sex differences remain poorly understood. This review explores the current evidence on sex-related differences in biomarkers and...
Steven Dang

Dietary fibre counters the oncogenic potential of colibactin-producing Escherichia coli in colorectal cancer

1 week 2 days ago
Diet, microbiome, inflammation and host genetics have been linked to colorectal cancer development; however, it is not clear whether and how these factors interact to promote carcinogenesis. Here we used Il10^(-/-) mice colonized with bacteria previously associated with colorectal cancer: enterotoxigenic Bacteroides fragilis, Helicobacter hepaticus or colibactin-producing (polyketide synthase-positive (pks^(+))) Escherichia coli and fed either a low-carbohydrate (LC) diet deficient in soluble...
Bhupesh Kumar Thakur

Arabidopsis research in 2030: Translating the computable plant

1 week 2 days ago
Plants are essential for human survival. Over the past three decades, work with the reference plant Arabidopsis thaliana has significantly advanced plant biology research. One key event was the sequencing of its genome 25 years ago, which fostered many subsequent research technologies and datasets. Arabidopsis has been instrumental in elucidating plant-specific aspects of biology, developing research tools, and translating findings to crop improvement. It not only serves as a model for...
Siobhan Brady

Electrostatics of salt-dependent reentrant phase behaviors highlights diverse roles of ATP in biomolecular condensates

1 week 2 days ago
Liquid-liquid phase separation (LLPS) involving intrinsically disordered protein regions (IDRs) is a major physical mechanism for biological membraneless compartmentalization. The multifaceted electrostatic effects in these biomolecular condensates are exemplified here by experimental and theoretical investigations of the different salt- and ATP-dependent LLPSs of an IDR of messenger RNA-regulating protein Caprin1 and its phosphorylated variant pY-Caprin1, exhibiting, for example, reentrant...
Yi-Hsuan Lin

Spatial Variations of Atmospheric Alkylated Polycyclic Aromatic Hydrocarbons across the Western Pacific to the Southern Ocean: Unexpected Increasing Deposition

1 week 2 days ago
Spatial variations of atmospheric alkylated polycyclic aromatic hydrocarbons (Alk-PAHs) are key to understanding their long-range atmospheric transport (LRAT). However, limited Alk-PAHs data have hindered their LRAT characterizations on a global scale. In this study, 49 Alk-PAHs were measured in the atmospheric samples collected across the Western Pacific to the Southern Ocean. The summed concentration of 39 frequently detected Alk-PAHs (Σ(39)Alk-PAHs) was 25.8 ± 25.3 ng m^(-3). The...
Fu-Jie Zhu

Dimension Reduction Using Local Principal Components for Regression-Based Multi-SNP Analysis in 1000 Genomes and the Canadian Longitudinal Study on Aging (CLSA)

1 week 4 days ago
For genetic association analysis based on multiple SNP regression of genotypes obtained by dense DNA sequencing or array data imputation, multi-collinearity can be a severe issue causing failure to fit the regression model. In this study, we propose a method of Dimension Reduction using Local Principal Components (DRLPC) which aims to resolve multi-collinearity by removing SNPs under the assumption that the remaining SNPs can capture the effect of a removed SNP due to high linear dependency....
Fatemeh Yavartanoo

Search for Magnetic Monopole Pair Production in Ultraperipheral Pb+Pb Collisions at sqrt[s_{NN}]=5.36  TeV with the ATLAS Detector at the LHC

1 week 5 days ago
This Letter presents a search for highly ionizing magnetic monopoles in 262 μb^{-1} of ultraperipheral Pb+Pb collision data at sqrt[s_{NN}]=5.36 TeV collected by the ATLAS detector at the LHC. A new methodology that exploits the properties of clusters of hits reconstructed in the innermost silicon detector layers is introduced to study highly ionizing particles in heavy-ion data. No significant excess above the background, which is estimated using a data-driven technique, is observed. Using a...
G Aad

GWAS meta-analysis of psoriasis identifies new susceptibility alleles impacting disease mechanisms and therapeutic targets

1 week 5 days ago
Psoriasis is a common, debilitating immune-mediated skin disease. Genetic studies have identified biological mechanisms of psoriasis risk, including those targeted by effective therapies. However, the genetic liability to psoriasis is not fully explained by variation at robustly identified risk loci. To refine the genetic map of psoriasis susceptibility we meta-analysed 18 GWAS comprising 36,466 cases and 458,078 controls and identified 109 distinct psoriasis susceptibility loci, including 46...
Nick Dand

Comprehensive assessment of 45 antibiotics in ten urban wastewater treatment plants in Northeastern China: Terminal treatment is not a reliable guard

1 week 6 days ago
The increasing presence of antibiotics in urban wastewater has raised significant concerns. Therefore, wastewater treatment plants (WWTPs) face questions about their ability to reliably and effectively remove antibiotics. In this study, data from ten representative WWTPs were systematically evaluated to assess antibiotic occurrence, removal efficiencies, seasonal variations, and ecological risks, revealing the prevalent instability in antibiotic removal capacities of traditional WWTPs. The...
Xin-Ming Guo

International Precision Child Health Partnership (IPCHiP): an initiative to accelerate discovery and improve outcomes in rare pediatric disease

1 week 6 days ago
Advances in genomic technologies have revolutionized the diagnosis of rare genetic diseases, leading to the emergence of precision therapies. However, there remains significant effort ahead to ensure the promise of precision medicine translates to improved outcomes. Here, we discuss the challenges in advancing precision child health and highlight how international collaborations such as the International Precision Child Health Partnership, which embed research into clinical care, can maximize...
Katherine B Howell

COVID-19 Breakthrough Infections in Immune-Mediated Inflammatory Diseases: Data from the SUCCEED (Safety and Immunogenicity of COVID-19 Vaccines in Systemic Autoimmune-Mediated Inflammatory Diseases) Study

2 weeks ago
Background: The Safety and Immunogenicity of COVID-19 Vaccines in Systemic Autoimmune-Mediated Inflammatory Diseases (SUCCEED) study was created to better understand COVID-19 vaccination in immune-mediated inflammatory disease (IMID). Knowing the frequency of COVID-19 breakthrough infections is important, particularly in IMID. Our objective was to assess these events in IMID. Methods: We prospectively studied IMID participants who had received ≥three COVID-19 vaccine doses. Individuals provided...
Jeremiah Tan

Tuning TCR complex recruitment to the T cell antigen coupler (TAC) enhances TAC-T cell function

2 weeks 1 day ago
The T cell antigen coupler (TAC) receptor is a novel synthetic receptor designed to maximize the therapeutic potential of T cells in the absence of tonic signaling or receptor-related toxicities. Prior studies indicated that TACs provide safe and long-lasting anti-tumor immunity in multiple preclinical models of solid tumors supported by mounting clinical evidence. TAC receptors function by targeting a cancer associated surface antigen while recapitulating natural T cell receptor (TCR)...
Trevor M Morey
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