QOT: Quantized Optimal Transport for sample-level distance matrix in single-cell omics.

Single-cell technologies have enabled the high-dimensional characterization of cell populations at an unprecedented scale. The innate complexity and increasing volume of data pose significant computational and analytical challenges, especially in comparative studies delineating cellular architectures across various biological conditions (i.e.

Using machine learning models to identify severe subjective cognitive decline and related factors in nurses during the menopause transition: a pilot study.

Objective: This study aims to develop and validate a machine learning model for identifying individuals within the nursing population experiencing severe subjective cognitive decline (SCD) during the menopause transition, along with their associated factors.

Methods: A secondary analysis was performed using cross-sectional data from 1,264 nurses undergoing the menopause transition. The data set was randomly split into training (75%) and validation sets (25%), with the Bortua algorithm employed for feature selection.

Optical Coherence Tomography Angiography in Patients With the Boston Keratoprosthesis Type 1.

Purpose: To report on optical coherence tomography angiography (OCTA) in patients with a type 1 Boston keratoprosthesis (KPro) and determine its feasibility through assessment of imaging artifacts.

Methods: KPro and non-KPro subjects were matched for age, gender, and glaucoma diagnosis. OCTA images of the peripapillary optic nerve were obtained, reviewed by 2 readers masked to the diagnosis for artifacts and usability, and used for microvascular measurements.

Building Three-Dimensional Complexity by Intramolecular 2-Aminoallyl Cation-Diene (4+3) Cycloaddition.

Reliable methods for rapidly constructing C(sp)-rich three-dimensional polycycles are in high demand for organic synthesis and medicinal chemistry. Although there are various mature systems for synthesizing five- or six-membered polycycles, a catalytic platform for accessing diverse cycloheptanoid-containing polycyclic scaffolds is lacking. Herein, we describe a method for copper-catalyzed intramolecular 2-aminoallyl cation-diene (4+3) cycloaddition reactions.

Using Transorbital Sonography for Assessing Traumatic Brain Injury in Patients With Periorbital Hematoma.

Objective: The aim of this study is to assess the comparative effectiveness of transorbital sonography (TOS) and the pupillary penlight visual assessment method in patients with traumatic brain injury (TBI) and periorbital hematoma.

Methods: A total of 140 patients with traumatic brain injury (TBI), meeting the inclusion and exclusion criteria, were selected from a tertiary hospital in Zhejiang Province between January 2022 and December 2023. Pupillary function in all patients was assessed using both TOS and the pupillary penlight visual assessment method on the first, third, and seventh day after admission.

Regulating Intermediate Adsorption and Promoting Charge Transfer of CoCr-LDHs by Ce Doping for Enhancing Electrooxidation of 5-Hydroxymethylfurfural.

Electrochemical oxidation of 5-hydroxymethylfurfural (HMFOR) to generate high-value chemicals under mild conditions acts as an energy-saving and sustainable strategy. However, it is still challenging to develop electrocatalysts with high efficiency and good durability. Here, nickel foam (NF) supported CoCrCe(7.

Flavonoids and Kavalactones Isolated from Seeds of Alpinia katsumadai Hayata. and Their Cytotoxic Activities.

An unrevealed dihydroflavone-monoterpene conjugate (1), two unrevealed kavalactones (2-3, including one with an uncommon side chain), and thirteen previously identified compounds (4-16) were extracted from Alpinia katsumadai Hayata. seeds. The two-dimension structures of the new compounds were authenticated utilizing HRESIMS as well as NMR spectral analysis, while their absolute chiral configurations were ascertained either by correlating the experimental and simulated values of electronic circular dichroism (ECD) patterns or conducting X-ray diffraction experiments.

Dietary patterns and cardiovascular diseases among Chinese high-risk population aged 35 years and older: A 6-year cohort study.

This study aims to investigate the dietary patterns of Chinese individuals aged 35 years and older who are at high risk of cardiovascular disease (CVD) and to explore the correlation between these dietary patterns and the risk of CVD. A total of 28,747 high-risk participants in China PEACE in Zhejiang Province from 2014 to 2019 were included in the analysis Dietary data were obtained using the Food Frequency Questionnaire, and dietary patterns were extracted through factor analysis. Cox regression was used to examine the relationship between the dietary patterns and CVD risk in the high-risk groups.

Comparison of Jinzhen oral liquid and ambroxol hydrochloride and clenbuterol hydrochloride oral solution in the treatment of acute bronchitis in children: A multicenter, non-inferiority, prospective, randomized controlled trial.

The comparison between traditional Chinese medicine Jinzhen oral liquid (JZOL) and Western medicine in treating children with acute bronchitis (AB) showed encouraging outcomes. This trial evaluated the efficacy and safety of the JZOL for improving cough and expectoration in children with AB. 480 children were randomly assigned to take JZOL or ambroxol hydrochloride and clenbuterol hydrochloride oral solution for 7 days.

UBE2G2 inhibits vasculogenic mimicry and metastasis of uveal melanoma by promoting ubiquitination of LGALS3BP.

Uveal melanoma (UM) poses a significant lethality, with approximately 50% of those developing metastases surviving less than one year. In the progression of UM, vasculogenic mimicry (VM) induced by hypoxia plays a pivotal role, which also partially explains the resistance of UM to anti-angiogenic therapies. Nevertheless, the crucial molecular mechanisms underlying VM in the progression of UM remain unclear.

Human Hair Follicle Mesenchymal Stem Cell-Derived Exosomes Attenuate UVB-Induced Photoaging via the miR-125b-5p/TGF-β1/Smad Axis.

Cutaneous photoaging, induced by chronic exposure to ultraviolet (UV) radiation, typically manifests as alterations in both the physical appearance and functional properties of the skin and may predispose individuals to cancer development. Recent studies have demonstrated the reparative potential of exosomes derived from mesenchymal stem cells in addressing skin damage, while specific reports highlight their efficacy in ameliorating skin photoaging. However, the precise role of exosomes derived from human hair follicle mesenchymal stem cells (HFMSC-Exos) in the context of cutaneous photoaging remains largely unexplored.

NRICM101 in combatting COVID-19 induced brain fog: Neuroprotective effects and neurovascular integrity preservation in hACE2 mice.

Amidst growing concerns over COVID-19 aftereffects like fatigue and cognitive issues, NRICM101, a traditional Chinese medicine, has shown promise. Used by over 2 million people globally, it notably reduces hospitalizations and intubations in COVID-19 patients. To explore whether NRICM101 could combat COVID-19 brain fog, we tested NRICM101 on hACE2 transgenic mice administered the S1 protein of SARS-CoV-2, aiming to mitigate S1-induced cognitive issues by measuring animal behaviors, immunohistochemistry (IHC) staining, and next-generation sequencing (NGS) analysis.

Hyalinizing trabecular tumor of the thyroid: A case report.

A hyalinizing trabecular tumor (HTT), characterized by a trabecular growth pattern and notable hyalinization within the trabeculae, occurs at a rate of ~1%. As patients with HTT may be asymptomatic, accurate diagnosis is a challenge. Due to its resemblance to other tumors, such as papillary thyroid carcinoma and medullary thyroid carcinoma, a precise diagnosis necessitates both pathological and molecular examinations.

Tunable Memory Performances of Hyperbranched Polyimides Functionalized with Metal-Porphyrins.

With the rapid advancement of information technology, the need to achieve ultra-high-density data storage has become a pressing necessity. This study synthesized three hyperbranched polyimides (HBPI-TAPP, HBPI-(Zn)TAPP, and HBPI-(Cu)TAPP) by polymerizing 5,10,15,20-tetrakis(4-aminophenyl)porphyrin (TAPP), which features a cavity for metal ion coordination, with 4,4'-(hexafluoroisopropylidene)diphthalic anhydride (6FDA), to systematically investigate the effect of metal ion species on storage performance. According to the results, memory devices based on HBPI-(Zn)TAPP exhibit volatile SRAM (static random-access memory) characteristics, whereas devices employing HBPI-TAPP and HBPI-(Cu)TAPP demonstrate non-volatile WORM (write-once, read-many) characteristics.

Structural Modifications and Prospects of Histone Deacetylase (HDAC) Inhibitors in Cancer.

Histone deacetylases (HDACs) play a crucial role in the regulation of cancer progression and have emerged as key targets for antitumor therapy. Histone Deacetylase Inhibitors (HDACis) effectively suppress tumor cell proliferation, induce apoptosis, and cause cell cycle arrest, demonstrating broad-spectrum antitumor activity. This article primarily focuses on enhancing the selectivity of HDACis through structural modification using natural compounds.

[Anticoagulation effects of nafamostat mesylate in sustained low-efficiency dialysis and its relevant factors].

To investigate anticoagulation effects of nafamostat mesylate(NM) in sustained low-efficiency dialysis (SLED) and its relevant factors. Critically ill patients with kidney disease who were admitted to Zhongshan Hospital Affiliated to Fudan University and underwent SLED treatment from May to August 2024 were retrospectively included. Baseline clinical data were collected, and the activated partial thromboplastin time (APTT) and activated clotting time (ACT) were measured at the arterial end, before the filter, and at the venous end two hours post-NM anticoagulation treatment.

Bioinspired Electrostatic Capture-and-Release System for Precise Microdroplet Manipulation.

The application of physical fields is crucial for droplet generation and manipulation, underpinning technologies like printing, microfluidic biochips, drug delivery, and flexible sensors. Despite advancements, precise micro/nanoscale droplet generation and accurate microfluidic reactions remain challenging. Inspired by the liquid ejection mechanisms in microscopic organisms, an electrostatic manipulator for the precise capture, emission, and transport of microdroplets is proposed.

Parents' knowledge, attitudes and practices towards the prevention and treatment of dust mite allergy: a cross-sectional study in Shenyang (China).

Objective: This cross-sectional study aimed to evaluate parents' knowledge, attitudes and practices (KAP) concerning the prevention and treatment of dust mite allergy in children.

Design: This cross-sectional study survey was conducted from September to December 2022 at Shengjing Hospital, Affiliated with China Medical University.

Participants: A total of 503 parents of children with dust mite allergies participated, with 253 parents having children undergoing desensitisation treatment and 250 parents whose children did not.

Risk factors and prediction model of breast cancer-related lymphoedema in a Chinese cancer centre: a prospective cohort study protocol.

Introduction: Lymphoedema is a distressing and long-term complication for breast cancer survivors. However, the reported incidence of lymphoedema varies, and its risk factors remain underexplored. Currently, a well-established risk prediction model is still lacking.

Comparison of I-gel and Baska mask in elective surgery: a meta-analysis.

Objective: The supraglottic airway device is a viable alternative to tracheal intubation for elective surgery. To conduct a comparative analysis of the advantages and disadvantages associated with use of the Baska mask and I-gel across various dimensions.

Design: A comprehensive search was conducted across PubMed, Embase, Cochrane Library, Web of Science, and other relevant databases to identify randomised controlled trials (RCTs) involving patients who used the Baska mask and I-gel.

Lipid droplets in central nervous system and functional profiles of brain cells containing lipid droplets in various diseases.

Lipid droplets (LDs), serving as the convergence point of energy metabolism and multiple signaling pathways, have garnered increasing attention in recent years. Different cell types within the central nervous system (CNS) can regulate energy metabolism to generate or degrade LDs in response to diverse pathological stimuli. This article provides a comprehensive review on the composition of LDs in CNS, their generation and degradation processes, their interaction mechanisms with mitochondria, the distribution among different cell types, and the roles played by these cells-particularly microglia and astrocytes-in various prevalent neurological disorders.

CEST imaging combined with H-MRS reveal the neuroprotective effects of riluzole by improving neurotransmitter imbalances in Alzheimer's disease mice.

Background: The imbalance of glutamate (Glu) and gamma-aminobutyric acid (GABA) neurotransmitter system plays a crucial role in the pathogenesis of Alzheimer's disease (AD). Riluzole is a Glu modulator originally approved for amyotrophic lateral sclerosis that has shown potential neuroprotective effects in various neurodegenerative disorders. However, whether riluzole can improve Glu and GABA homeostasis in AD brain and its related mechanism of action remain unknown.