Valine metabolite, 3-hydroxyisobutyrate, promotes lipid metabolism and cell proliferation in porcine mammary gland epithelial cells.

Improving mammary gland epithelial cells proliferation through nutrition is an important approach for enhancing sow milk production and piglet growth. An intermediate metabolite of valine, 3-hydroxyisobutyrate (3-HIB), regulates cellular lipid metabolism. In the present study, we investigated the effects of 3-HIB on porcine mammary gland epithelial cells proliferation and lipid metabolism.

Computer-Aided Construction and Evaluation of Poly-L-Lysine/Hyodeoxycholic Acid Nanoparticles for Hemorrhage and Infection Therapy.

Traumatic hemorrhage and infection are major causes of mortality in wounds caused by battlefield injuries, hospital procedures, and traffic accidents. Developing a multifunctional nano-drug capable of simultaneously controlling bleeding, preventing infection, and promoting wound healing is critical. This study aimed to design and evaluate a nanoparticle-based solution to address these challenges effectively.

Glycerol Monolaurate Complex Improved Antioxidant, Anti-Inflammation, and Gut Microbiota Composition of Offspring in a Sow-Piglet Model.

This study aimed to investigate the effects of maternal glycerol monolaurate complex (GML) and antibiotic (acetylisovaleryltylosin tartrate, ATLL) supplementation during late gestation and lactation on the reproductive performance of sows and the growth performance of piglets. In total, 64 pregnant sows were randomly divided into control, antibiotic, 0.1% GML, and 0.

Broad-Temperature Optical Thermometry via Dual Sensitivity of Self-Trapped Excitons Lifetime and Higher-Order Phonon Anharmonicity in Lead-Free Perovskites.

Broad-temperature optical thermometry necessitates materials with exceptional sensitivity and stability across varied thermal conditions, presenting challenges for conventional systems. Here, we report a lead-free, vacancy-ordered perovskite Cs2TeCl6, that achieves precise temperature sensing through a novel combination of self-trapped excitons (STEs) photoluminescence (PL) lifetime modulation and unprecedented fifth-order phonon anharmonicity. The STEs PL lifetime demonstrates a highly temperature-sensitive response from 200 to 300 K, ideal for low-to-intermediate thermal sensing.

Ticks jump in a warmer world: Global distribution shifts of main pathogenic ticks are associated with future climate change.

In recent decades, the threats of ticks and tick-borne diseases (TBDs) increased extensively with environmental change, urbanization, and rapidly changing interactions between human and animals. However, large-scale distribution of tick and TBD risks as well as their relationship with environmental change remain inadequately unclear. Here, we first proposed a "tick-pathogen-habitat-human" model to project the global potential distribution of main pathogenic ticks using a total of 70,714 occurrence records.

Conformational Engineering of Flexible Protein Fragments on the Surface of Different Nanoparticles: The Surface-Atom Mobility Rules.

As a newly emerging technology, conformational engineering (CE) has been gradually displaying the power of producing protein-like nanoparticles (NPs) by tuning flexible protein fragments into their original native conformation on NPs. But apparently, not all types of NPs can serve as scaffolds for CE. To expedite the CE technology on a broader variety of NPs, the essential characteristic of NPs as scaffolds for CE needs to be identified.

β-Elemene Inhibits Adrenocortical Carcinoma Cell Proliferation and Migration, and Induces Apoptosis by Up-Regulating miR-486-3p/Targeting NPTX1 Axis.

β-elemene has a variety of anti-inflammatory, antioxidant, and antitumor effects. Currently, the influence of β-elemene on adrenocortical carcinoma (ACC) malignant progression and action mechanism remains unclear. This research aims to explore the influence and action mechanism of β-elemene on ACC progression.

Comparative Impact of Alternate-Day Fasting and Time-Restricted Feeding on Placental Function and Fetal Development in Maternal Obesity.

Background: Maternal obesity detrimentally affects placental function and fetal development. Both alternate-day fasting (ADF) and time-restricted feeding (TRF) are dietary interventions that can improve metabolic health, yet their comparative effects on placental function and fetal development remain unexplored.

Objectives: This study aims to investigate the effects of ADF and TRF on placental function and fetal development during maternal consumption of a high-fat diet (HFD).

Quercetin can improve anesthesia induced neuroinflammation and cognitive dysfunction by regulating miR-138-5p/ LCN2.

Background: Anesthesia can lead to functional cognitive impairment, which can seriously affect postoperative recovery. To investigate the effect and mechanism of quercetin (Que) in anesthetized rats, the study provided a new therapeutic idea for the prevention of cognitive dysfunction caused by anesthesia.

Methods: Cognitively impaired rats were constructed using Isoflurane (ISO) anesthesia and treated with Que.

[Alkaloid compounds in Nelumbinis Folium and their hypolipidemic effect].

Four alkaloid compounds including one new compound and three known ones were isolated and extracted from the 70% ethanol extract of Nelumbinis Folium by silica gel column chromatography, octadecylsilyl(ODS) column chromatography and preparative high-performance liquid chromatography. Their structures were identified by nuclear magnetic resonance spectroscopy, high-resolution mass spectrometry, circular dichroism and other methods. Compound 1 was identified as a new compound and named as lotustine B(1).

Effects of Yucca Extract on Nutrient Digestibility, Antioxidant Status, Estrus and Faecal Microorganism in Gilts.

The objective of this study was to investigate the effects of yucca extract (YE) supplementation on estrus, nutrient digestibility, antioxidant capacity and fecal microorganisms of gilts. Twenty gilts were randomly divided into two groups: basal diet (CONT) and basal diet + 0.25 g/kg YE (YETG).

Acute kidney disease in hospitalized pediatric patients: risk prediction based on an artificial intelligence approach.

Background: Acute kidney injury (AKI) and acute kidney disease (AKD) are prevalent among pediatric patients, both linked to increased mortality and extended hospital stays. Early detection of kidney injury is crucial for improving outcomes. This study presents a machine learning-based risk prediction model for AKI and AKD in pediatric patients, enabling personalized risk predictions.

Research progresses on non-coding DNA regulatory elements in the evolution of animal adaptive traits.

Driven by adaptive evolution, animals have developed a variety of adaptive traits that are critical to their survival and reproduction. Unraveling the molecular mechanisms of adaptive evolution is of key significance for understanding important biological phenomena such as species diversification and phenotypic convergence, etc. With the development and maturation of multi-omics technologies, genomic non-coding DNA regulatory elements have been proven to play important regulatory roles in the evolution of adaptive traits in animals.

The segmented flavivirus Alongshan virus reduces mitochondrial mass by degrading STAT2 to suppress the innate immune response.

Alongshan virus (ALSV) is a newly discovered pathogen in the family, characterized by a unique multi-segmented genome that is distantly related to the canonical flaviviruses. Understanding the pathogenic mechanism of this emerging segmented flavivirus is crucial for the development of effective intervention strategies. In this study, we demonstrate that ALSV can infect various mammalian cells and induce the expression of antiviral genes.

HBV Remodels PP2A Complexes to Rewire Kinase Signaling in Hepatocellular Carcinoma.

Hepatitis B virus (HBV) infections promote liver cancer initiation by inducing inflammation and cellular stress. Despite the primarily indirect effect on oncogenesis, HBV is associated with a recurrent genomic phenotype in HCC, suggesting that it impacts the biology of established HCC. Characterization of the interaction of HBV with host proteins and the mechanistic contributions of HBV to HCC initiation and maintenance could provide insights into HCC biology and uncover therapeutic vulnerabilities.

Metasurface spectrometers beyond resolution-sensitivity constraints.

Conventional spectrometer designs necessitate a compromise between their resolution and sensitivity, especially as device and detector dimensions are scaled down. Here, we report on a miniaturizable spectrometer platform where light throughput onto the detector is instead enhanced as the resolution is increased. This planar, CMOS-compatible platform is based around metasurface encoders designed to exhibit photonic bound states in the continuum, where operational range can be altered or extended simply through adjusting geometric parameters.

School mental health prevention and intervention strategies in China: a scoping review.

Student mental health issues remain a significant global concern, imposing considerable health, social, and economic burdens. China has also published numerous national policies prioritizing this area. To further investigate the current prevention and intervention programs, we conducted a scoping review, searching six databases (three in English and three in Chinese) up to May 2024.

Effect of Salt Substitution on Cardiac Structure and ECG Parameters in Middle-aged and Elderly Hypertensive Patients.

Background: Salt substitution (SS) has been found to reduce blood pressure (BP). However, the impact of SS on cardiac structure, as assessed through ultrasonic cardiogram (UCG) and electrocardiograms (ECG), remains poorly understood. This study aims to evaluate the effects of SS on cardiac structure and ECG parameters.

Multi-protomics analysis identified host cellular pathways perturbed by tick-borne encephalitis virus infection.

Tick-borne encephalitis virus (TBEV) represents a pivotal tick-transmitted flavivirus responsible for severe neurological consequences in Europe and Asia. The emergence of TBEV genetic mutations and vaccine-breakthrough infections, along with the absence of effective vaccines and specific drugs for other tick-borne flaviviruses associated with severe encephalitis or hemorrhagic fever, underscores the urgent need for progress in understanding the pathogenesis and intervention strategies for TBEV and related flaviviruses. Here we elucidate cellular alterations in the proteome, phosphoproteome, and acetylproteome upon TBEV infection.

Running, walking, and cross-country skiing: how to shape adolescents' personalities through physical activity?

Adolescence is crucial for personality development, and sports play a significant role. This study investigates the impact of various sports on the personality traits of junior high and high school students in Shandong Province, focusing on neuroticism, extraversion, openness, agreeableness, and conscientiousness. Utilizing data from the "Database of Youth Health," we employed Seemingly Unrelated Regression (SUR) and Generalized Structural Equation Modeling (GSEM) to analyze the effects of physical activity on personality development.

Adipocyte FGF21 Signaling Defect Aggravated Adipose Tissue Inflammation in Gestational Diabetes Mellitus.

Gestational diabetes mellitus (GDM) is associated with increased inflammation in adipose tissues. Fibroblast growth factor 21 (FGF21) is an endocrine hormone which signals to multiple tissues to regulate metabolism. However, its role in GDM remains largely unknown.

Cognitive Impairment Mechanisms in High-Altitude Exposure: Proteomic and Metabolomic Insights.

High-altitude exposure can adversely affect neurocognitive functions; however, the underlying mechanisms remain elusive. Why and how does high-altitude exposure impair neurocognitive functions, particularly sleep? This study seeks to identify the molecular markers and mechanisms involved, with the goal of forming prevention and mitigation strategies for altitude sickness. Using serum proteomics and metabolomics, we analyzed blood samples from 23 Han Chinese plain dwellers before and after six months of high-altitude work in Tibet.

Folic Acid Attenuates N-Methyl-N'-Nitro-N-NitrosoguanidineInduced Gastric Mucosal Injury in Rats.

Background/aims: N-Methyl-N'-nitroso-N-nitrosoguanidine (MNNG) is suspected to increase the risk of developing stomach cancer. Folic acid (FA) is familiar with decreasing inflammation. We expected that FA would protect against MNNG-induced gastric mucosal injury.