Water temperature exhibits an overwhelming effect on the spatial allocation of sediment phosphorus fractions in the permanent backwater area of the Three Gorges Reservoir, China.

The upstream cascade reservoirs and the implementation of soil and water conservation practices have effectively mitigated sediment inflow to the Three Gorges Reservoir (TGR) since it was fully operational in 2010. However, total deposited sediments and algal blooms in its tributaries have increased during the post-TGR period. To investigate the spatial distribution characteristics of deposited fractional phosphorus in sediments and its influencing factors, column sediment and overlying water datasets collected from field campaigns were analysed using the multivariate statistical approaches by Partial Triadic Analysis (PTA) and Redundancy Analysis (RDA).

Eukaryotic plankton community and assembly processes in a large-scale water diversion project in China.

The Middle Route of the South to North Water Diversion Project (MRP) and its water source, the Danjiangkou Reservoir (DJK), play a pivotal role in mitigating the chronic water scarcity challenges faced by northern China. Eukaryotic plankton are widespread in aquatic ecosystems, which are crucial for the water quality stability of DJK and MRP, yet comparative studies on their contemporaneous dynamics and assembly processes are scarce. In this study, amplicon sequencing was used to investigate the eukaryotic plankton communities.

Red Blood Cell Casts on Kidney Biopsy and Progression of IgA Nephropathy.

Background: Renal red blood cell casts (RBCC) are common in IgA nephropathy (IgAN), but their role in kidney disease progression of patients with IgAN remains unclear.

Methods: 1425 patients in Peking University First Hospital IgAN (PKU-IgAN) cohort and 279 patients in TESTING trial were enrolled to test the association between RBCC and kidney outcome. RBCC was defined as positive (+) when at least one cast was identified within the renal tubules by light microscopy.

Enhanced solar hydrogen production via reconfigured semi-polar facet/cocatalyst heterointerfaces in GaN/Si photocathodes.

The development of an efficient and durable photoelectrode is critical for achieving large-scale applications in photoelectrochemical water splitting. Here, we report a unique photoelectrode composed of reconfigured gallium nitride nanowire-on-silicon wafer loaded with Au nanoparticles as cocatalyst that achieved an impressive applied bias photon-to-current efficiency of 10.36% under AM 1.

Saponins enhance the stability and cost-efficiency of human embryonic stem cell culture.

The cultivation and differentiation of human embryonic stem cells (hESCs) into organoids are crucial for advancing of new drug development and personalized cell therapies. Despite establishing of chemically defined hESC culture media over the past decade, these media's reliance on growth factors, which are costly and prone to degradation, poses a challenge for sustained and stable cell culture. Here, we introduce an hESC culture system(E6Bs) that facilitates the long-term, genetically stable expansion of hESCs, enabling cells to consistently sustain high levels of pluripotency markers, including NANOG, SOX2, TRA-1-60, and SSEA4, across extended periods.

Maintaining First-Line Therapy Plus Radiation Therapy May Prolong Progression-Free Survival and Delay Second-Line Therapy for Oligoprogressive Hepatocellular Carcinoma.

Purpose: Optimal treatment strategies for patients with hepatocellular carcinoma with oligoprogression after first-line systemic therapy (FLST) remain undefined. We aimed to determine whether maintaining (ie, continuing) FLST plus radiation therapy (RT) for oligoprogressive lesions (m-FLST + RT) would result in progression-free survival (PFS) equal to or greater than that of second-line systemic therapy (s-SLST), either alone or with RT (s-SLST + RT).

Methods And Materials: From October 2018 to February 2024, 154 patients from 7 medical centers who developed oligoprogression after FLST were enrolled and assigned to 1 of 3 groups based on post-oligoprogression treatment strategy: m-FLST + RT, s-SLST + RT, or s-SLST-only.

NR1D1 Inhibition Enhances Autophagy and Mitophagy in Alzheimer's Disease Models.

Alzheimer's disease (AD) is marked by extracellular beta-amyloid (Aβ) plaques and intracellular Tau tangles, leading to progressive cognitive decline and neuronal dysfunction. Impaired autophagy, a process by which a cell breaks down and destroys damaged or abnormal proteins and other substances, contributes to AD progression. This study investigated Nuclear Receptor Subfamily 1 Group D Member 1 (NR1D1) as a potential therapeutic target for modulating autophagy.

Estimating avoidable burden of stillbirth attributable to greenness improvement in Iran.

Introduction: Expanding evidence suggests beneficial impacts of greenspace on human health, yet the relationships between greenness and stillbirth remain unknown. This study aimed to quantify the risk and burden of stillbirth associated with maternal greenness exposure during pregnancy.

Methods: A total of 3,982,304 eligible birth records across 31 provinces in Iran from 2013 to 2018 were included in this study.

Causal association of plasma -3 PUFA with peptic ulcer disease: a two-sample Mendelian randomisation study.

Dietary -3 PUFA may have potential benefits in preventing peptic ulcer disease (PUD). However, data from observational epidemiological studies are limited. Thus, we conducted a Mendelian randomisation analysis to reveal the causal impact of -3 PUFA on PUD.

CDK4 gene copy number increase and concurrent genetic changes in acral melanoma of a Chinese cohort.

Acral melanoma (AM) is the most common subtype of melanoma in the Asian population. Abnormalities in the p16-cyclin D1-CDK4 signalling pathway play a crucial role in the development and progression of AM. However, the CDK4 copy number variations (CNVs) in AM are under-reported.

Effects of acute stress on biological motion perception.

Biological motion perception is an essential part of the cognitive process. Stress can affect the cognitive process. The present study explored the intrinsic ERP features of the effects of acute psychological stress on biological motion perception.

The potential therapeutic effect of human umbilical cord mesenchymal stem cell-derived exosomes in bronchopulmonary dysplasia.

Bronchopulmonary dysplasia (BPD) is a chronic lung disease of preterm infants, with its incidence rising due to improved survival rates of these infants. BPD results from a combination of prenatal and postnatal factors, such as mechanical ventilation, oxygen toxicity, and infections, all of which significantly impact the prognosis and growth of affected infants. Current treatment options for BPD are largely supportive and do not address the underlying pathology.

Preparation and Characterization of Responsive Cellulose-Based Gel Microspheres for Enhanced Oil Recovery.

As an important means to enhance oil recovery, ternary composite flooding (ASP flooding for short) technology has achieved remarkable results in Daqing Oilfield. Alkalis, surfactants and polymers are mixed in specific proportions and injected into the reservoir to give full play to the synergistic effect of each component, which can effectively enhance the fluidity of crude oil and greatly improve the oil recovery. At present, the technology for further improving oil recovery after ternary composite flooding is not mature and belongs to the stage of technical exploration.

The nucleus of solitary tract (NTS) synchronizes sleep-wake-state-dependent cortical activity through the parabrachial nucleus (PB) in rat.

Background: The medullary nucleus of solitary tract (NTS) and its afferents of vagus nerve have long been investigated in regulation of cortical activity and sleep promotion. However, the underlying neural circuit by which the NTS regulates electroencephalogram (EEG) and sleep remain unclear. As the NTS has a strong projection to the pontine arousal site, the parabrachial nucleus (PB), we proposed the NTS via the pontine parabrachial nucleus (PB) regulates cortical activity and sleep.

Mitochondrial dysfunction and NDUFS3: Insights from a PINK1 Drosophila model in Parkinson's disease pathogenesis.

PTEN-induced kinase1 (PINK1) mutation is the main cause of autosomal recessive inheritance and early-onset Parkinson's disease. Mitochondrial respiratory chain complex I (CI) functional impairment has been considered to be an important factor in the pathogenesis of PD in recent years. In addition, NDUFS3 (nicotinamide adenine dinucleotide deoxylase iron-thionein 3) is one of the core subunits of mitochondrial CI.

Effect of thymalfasin on myeloid-derived suppressor cells in patients with non-small cell lung cancer.

Objective: To observe the effect of thymalfasin on myeloid-derived suppressor cells (MDSCs) subsets in peripheral blood of patients with non-small cell lung cancer (NSCLC).

Methods: 50 cases of NSCLC (NSCLC group) diagnosed in Chest Hospital of Jiangxi Province were selected as the research subjects, and 50 healthy subjects who underwent physical examination in our hospital during the same period were selected as the healthy control group. The expression of HLA-DR-CD14-CD33 MDSCs in peripheral blood mononuclear cells and tumor tissue single cell suspension of NSCLC patients before and after thymalfasin treatment was explored by flow cytometry.

Synthesis of 1,2-Disubstituted C-Aryl Glycosides via Palladium/Norbornene Cooperative Catalysis.

The Catellani reaction offers an opportunity to address multiple chemical bonds in a single pot. However, it is still quite a challenge to construct fully substituted olefins via this strategy, especially in electron-rich, unstable, and highly functionalized glycals. Herein we report the first palladium-catalyzed Catellani reaction for the direct preparation of 1,2-disubstituted C-aryl glycosides from easily available 2-iodoglycals, bromoaryl, and alkene/alkyne substrates.

Facile Semiconductor p-n Homojunction Nanowires with Strategic p-Type Doping Engineering Combined with Surface Reconstruction for Biosensing Applications.

Photosensors with versatile functionalities have emerged as a cornerstone for breakthroughs in the future optoelectronic systems across a wide range of applications. In particular, emerging photoelectrochemical (PEC)-type devices have recently attracted extensive interest in liquid-based biosensing applications due to their natural electrolyte-assisted operating characteristics. Herein, a PEC-type photosensor was carefully designed and constructed by employing gallium nitride (GaN) p-n homojunction semiconductor nanowires on silicon, with the p-GaN segment strategically doped and then decorated with cobalt-nickel oxide (CoNiO).

Concordant B and T Cell Heterogeneity Inferred from the Multiomic Landscape of Peripheral Blood Mononuclear Cells in a Crohn's Disease Cohort.

Background And Aims: Crohn's disease is characterized by inflammation in the gastrointestinal tract due to a combination of genetic, immune, and environmental factors. Transcriptomic and epigenomic profiling of intestinal tissue of Crohn's disease patients have revealed valuable insights into pathology, however have not been conducted jointly on less invasive peripheral blood mononuclear cells (PBMCs). Furthermore, the heterogeneous responses to treatments among individuals with Crohn's disease imply hidden diversity of pathological mechanisms.

Development and Validation of a Nomogram Model to Predict Obstructive Sleep Apnea.

Polysomnography was class I test for who was suspected of obstructive sleep apnea (OSA) which would cost lots of time and money. This study aimed to develop a nomogram model mainly based on oxygen and blood routine indicators to predict OSA. We retrospectively analyzed 685 patients with suspected OSA at our hospital.

Allulose mitigates chronic enteritis by reducing mitochondria dysfunction via regulating cathepsin B production.

Metabolic changes have been linked to the development of inflammatory bowel disease (IBD), which includes colitis. Allulose, an endogenous bioactive monosaccharide, is vital to the synthesis of numerous compounds and metabolic processes within living organisms. Nevertheless, the precise biochemical mechanism by which allulose inhibits colitis remains unknown.

Convergence of coronary artery disease genes onto endothelial cell programs.

Linking variants from genome-wide association studies (GWAS) to underlying mechanisms of disease remains a challenge. For some diseases, a successful strategy has been to look for cases in which multiple GWAS loci contain genes that act in the same biological pathway. However, our knowledge of which genes act in which pathways is incomplete, particularly for cell-type-specific pathways or understudied genes.