Publications by authors named "Feifei Xu"

What Is Already Known About This Topic?: China is rapidly encountering population aging, yet studies on aging are limited by the traditional aging measure: chronological age, particularly in the field of genomics. Several promising aging measures have been proposed, but they lack comparative evaluation.

What Is Added By This Report?: PhenoAge was identified as a measure of aging that demonstrated greater applicability in contemporary populations.

View Article and Find Full Text PDF

Mammalian pre-implantation development is a complex process involving sophisticated regulatory dynamics. WD repeat domain 36 (WDR36) is known to play a critical role in mouse early embryonic development, but its regulatory function in human embryogenesis is still elusive due to limited access to human embryos. The human pluripotent stem cell-derived blastocyst-like structure, termed a blastoid, offers an alternative means to study human development in a dish.

View Article and Find Full Text PDF
Article Synopsis
  • The study investigates the link between the systemic immune-inflammation index (SII) and the occurrence of delirium in ICU patients, highlighting that current evidence is limited.
  • Using data from a large medical database, the researchers conducted logistic regression analyses and survival evaluations to draw their conclusions.
  • Results show that higher SII levels significantly increase the risk of delirium and all-cause mortality, with patients in the highest SII quartile having over three times greater odds of developing delirium and approximately a 50% higher risk of death within 30 or 90 days.
View Article and Find Full Text PDF

Background: The expression level of immune checkpoint proteins detected by tissue biopsy is currently used as a predictive biomarker for immune checkpoint blockade (ICB) therapy. However, tissue biopsy is susceptible to invasive sample collection procedures, significant sampling heterogeneity, and the difficulty of repeated sampling. Therefore, liquid biopsy of blood samples is becoming an alternative choice for immune checkpoint protein detection.

View Article and Find Full Text PDF

Soluble starch synthase IIIa (SSIIIa) is a key enzyme involved in amylopectin biosynthesis in rice, and deficiency of SSIIIa results in high content of resistant starch, which is benefit to human health. However, little is known about metabolic differences and carbon re-allocation in the seeds of the indica rice ss3a mutant. We found that SSIIIa deficiency impaired the storage of starch, but increased the soluble sugars, free amino acids and lipids.

View Article and Find Full Text PDF
Article Synopsis
  • * The research utilized a variety of statistical methods, including logistic regression, propensity score matching, and mediation analysis, to ensure robust findings and explore potential causal links between RC levels and blood uric acid increase.
  • * Furthermore, the study highlights that inflammation (CRP), hypertension, and white blood cell count may mediate the relationship between high RC and hyperuricemia, indicating that managing these factors could be essential for addressing hyperuricemia risks.
View Article and Find Full Text PDF

Unmanned aerial vehicles (UAVs) are effective tools for identifying road anomalies with limited detection coverage due to the discrete spatial distribution of roads. Despite computational, storage, and transmission challenges, existing detection algorithms can be improved to support this task with robustness and efficiency. In this study, the K-means clustering algorithm was used to calculate the best prior anchor boxes; Faster R-CNN (region-based convolutional neural network), YOLOX-s (You Only Look Once version X-small), YOLOv5-s, YOLOv7-tiny, YOLO-MobileNet, and YOLO-RDD models were built based on image data collected by UAVs.

View Article and Find Full Text PDF

Polyphenols, a major bioactive constituent in rice grain, require processing and digestion before being absorbed by human body. Free and bound phenolics, flavonoids and their antioxidant activities in non-pigmented, red and black rice after cooking and INFOGEST digestions of oral, gastric and intestinal phases were investigated. It showed that cooking caused great losses of polyphenols and antioxidant activity.

View Article and Find Full Text PDF

Background: Cognitive-behavioral intervention techniques are increasingly demonstrating their efficacy in preventing relapses and managing problems in patients with schizophrenia. There is still variation in its effectiveness for negative symptoms, such as mood-related symptoms and motivation to engage socially.

Methods: A systematic search was conducted in PubMed, Web of Science for English literature on cognitive-behavioral therapy (CBT) interventions in patients with schizophrenia.

View Article and Find Full Text PDF

Assessing the bioaccessibility and bioavailability of cadmium (Cd) is crucial for effective evaluation of the exposure risk associated with intake of Cd-contaminated rice. However, limited studies have investigated the influence of gut microbiota on these two significant factors. In this study, we utilized in vitro gastrointestinal simulators, specifically the RIVM-M (with human gut microbial communities) and the RIVM model (without gut microbial communities), to determine the bioaccessibility of Cd in rice.

View Article and Find Full Text PDF

Sterile inflammation after injury is important for tissue restoration. In injured human and mouse tissues, macrophages were recently found to accumulate perivascularly. This study investigates if macrophages adopt a mural cell phenotype important for restoration after ischemic injury.

View Article and Find Full Text PDF

Stroke is a severe cerebrovascular disease. This study aimed to determine the association between triglyceride‑glucose (TyG) index and stroke among middle-aged and elderly Chinese. Data was extracted from China Health and Retirement Longitudinal Study survey 2015 and survey 2018.

View Article and Find Full Text PDF

Plants are known for their significant dust retention capacity and are widely used to alleviate atmospheric pollution. Urban green plants are exposed to periodic particulate matter pollution stress, and the time intervals between periods of pollution exposure are often inconsistent. The impact of stress memory and pollution intervals on plant dust retention capacity and physiological characteristics during periodic stress is not yet clear.

View Article and Find Full Text PDF
Article Synopsis
  • - China's new urbanization strategy (NUPP) aims to boost sustainable urban development and has shown a significant positive impact on urban green total factor productivity (GTFP) across 276 cities from 2011 to 2019.
  • - Key factors that aid in enhancing GTFP are the coordination between population, land, and industry (PLICCD), as well as the relationship between industry, environment, and economy (IEECCD). These findings hold true even after thorough statistical analyses.
  • - The study recommends promoting new urbanization efforts, focusing on coordinated development in planning, and tailoring strategies to fit the unique characteristics of different cities to maximize GTFP improvements and guide sustainable urban policies.
View Article and Find Full Text PDF

Objective: Patients with moderate traumatic brain injury (mTBI) are under the threat of intracranial hypertension (IHT). However, it is unclear which mTBI patient will develop IHT and should receive intracranial pressure (ICP)-lowering treatment or invasive ICP monitoring after admission. The purpose of the present study was to develop and validate a prediction model that estimates the risk of IHT in mTBI patients.

View Article and Find Full Text PDF
Article Synopsis
  • CHOP, a protein that typically triggers cancer cell death through ER stress, is inactivated by LAMTOR5 in liver cancer, leading to increased tumor growth.
  • Clinical analysis shows low levels of CHOP in liver cancer tissues are associated with poor prognosis, suggesting that higher CHOP levels can be beneficial.
  • LAMTOR5 promotes the silencing of CHOP by recruiting DNMT1 to its promoter and enhancing specific microRNAs, paving the way for therapies like lenvatinib to target this regulatory pathway in liver cancer treatment.
View Article and Find Full Text PDF

Ionizing radiation (IR) poses a significant threat to both the natural environment and biological health. Exposure to specific doses of ionizing radiation early in an organism's development can lead to developmental toxicity, particularly neurotoxicity. Through experimentation with Xenopus laevis (X.

View Article and Find Full Text PDF

Road traffic safety facilities (TSFs) are of significant importance in the management and maintenance of traffic safety. The complexity and variety of TSFs make it challenging to detect them manually, which renders the work unsustainable. To achieve the objective of automatic TSF detection, a target detection dataset, designated TSF-CQU (TSF data collected by Chongqing University), was constructed based on images collected by a car recorder.

View Article and Find Full Text PDF

Delirium is a serious and complex problem facing critically ill patients. This retrospective study aimed to explore the association between prognostic nutrition index (PNI) and delirium in critically ill patients in the intensive care unit (ICU). This study was based on the Medical Information Mart Intensive Care IV (MIMIC IV) database.

View Article and Find Full Text PDF

The morphology and function of the cerebellum are associated with various developmental disorders and healthy aging. Changes in cerebellar morphology during the aging process have been extensively investigated, with most studies focusing on changes in cerebellar regional volume. The volumetric method has been used to quantitatively demonstrate the decrease in the cerebellar volume with age, but it has certain limitations in visually presenting the morphological changes of cerebellar atrophy from a three-dimensional perspective.

View Article and Find Full Text PDF

A green and sensitive ratio fluorescence strategy was proposed for the detection of formaldehyde (FA) in food based on a kind of metal-organic frameworks (MOFs), MIL-53(Fe)-NO, and nitrogen-doped TiC MXene quantum dots (N-TiC MQDs) with a blue fluorescence at 450 nm. As a type of MOFs with oxidase-like activity, MIL-53(Fe)-NO can catalyze o-phenylenediamine (OPD) into yellow fluorescent product 2,3-diaminophenazine (DAP) with a fluorescent emission at 560 nm. DAP has the ability to suppress the blue light of N-TiC MQDs due to inner filter effect (IFE).

View Article and Find Full Text PDF

Preterm birth is associated with increased risk for a spectrum of neurodevelopmental disabilities. The cerebellum is implicated in a wide range of cognitive functions extending beyond sensorimotor control and plays an increasingly recognized role in brain development. Morphometric studies based on volume analyses have revealed impaired cerebellar development in preterm infants.

View Article and Find Full Text PDF
Article Synopsis
  • A study was conducted to see if transcutaneous electrical acupoint stimulation (TEAS) at the PC6 point could help reduce low blood pressure (hypotension) in pregnant women after spinal anesthesia for c-sections, comparing high frequency (TEAS-HF) and low frequency (TEAS-LF) applications.
  • Out of 90 participants, those who received TEAS-HF experienced significantly lower rates of hypotension and higher systolic blood pressure compared to the control and TEAS-LF groups within 30 minutes after anesthesia.
  • Participants receiving TEAS showed milder nausea and vomiting, with TEAS-HF also linked to fewer dizziness, dyspnea, and chest congestion cases, while there was no significant
View Article and Find Full Text PDF

Zongzi, made from glutinous rice, is usually thought to stay in the stomach for a long time, causing many people to shy away. In our research, Zongzi was prepared from three indica glutinous rice samples, and three japonica glutinous rice samples were digested in vitro in a human gastric simulator (HGS). It was found that digestion performance in HGS (gastric emptying) was mainly related to the hardness and stickiness of texture properties, and surprisingly, the hardness and stickiness of Zongzi were positively correlated, which contradicts past perception.

View Article and Find Full Text PDF