The effect of maternal and fetal weight on the risk of emergency cesarean section in nulliparous women.

Although many studies based on different ethnic groups have analyzed the impact of maternal and infant weight on overall cesarean section rates in recent years, research on the impact of maternal and infant weight on emergency cesarean section (EmCS) rates is lacking, especially in the Chinese population. This study aimed to analyze whether maternal and fetal weight could influence the risk of EmCS. A total of 8427 nulliparous women who delivered vaginally (full-term, singleton, and cephalic presentation) were included in this study and divided into the normal vaginal delivery (VD) and EmCS groups.

mTOR signaling mediates energy metabolic equilibrium in bovine and mouse oocytes during the ovulatory phase†.

The mammalian target of rapamycin (mTOR) signaling pathway is activated by luteinizing hormone in preovulatory follicle. However, its impact on ovulation remains inadequately explored. Utilizing in vivo studies and in vitro fertilization, we demonstrated that the negative effect of inhibition of mTOR signaling by rapamycin on oocyte quality during the ovulatory phase, with a notable decrease in the total cell count of blastocysts, a reduction in gastrula size, and fetal degeneration on the 16th day of gestation while not affecting ovulated oocyte count or granulosa cell luteinization.

Naotaifang formula regulates Drp1-induced remodeling of mitochondrial dynamics following cerebral ischemia-reperfusion injury.

Cerebral ischemia-reperfusion injury (CIRI) has emerged as a hindrance for rehabilitation of ischemic stroke patients. Naotaifang (NTF) exhibits beneficial efficacy in alleviating inflammation and ferroptosis in vitro during CIRI. While the potential role of NTF in regulating mitochondrial dynamics in CIRI are not elucidated.

Downregulation of collagen IV deposition and ITGB1-FAK signaling pathway to inhibit adipogenesis: A novel mechanism of swertiamarin in treating type 2 diabetes mellitus.

Extracellular matrix (ECM) and integrins are important biological macromolecules. ECM especially collagen IV (COLIV) deposition modulates the integrin-FAK signaling pathway involved in adipogenesis and is strongly associated with insulin resistance. Type 2 diabetes mellitus (T2DM) mice were given swertiamarin (STM) by intragastric administration.

Diffusion transformer model with compact prior for low-dose PET reconstruction.

Positron emission tomography (PET) is an advanced medical imaging technique that plays a crucial role in non-invasive clinical diagnosis. However, while reducing radiation exposure through low-dose PET scans is beneficial for patient safety, it often results in insufficient statistical data. This scarcity of data poses significant challenges for accurately reconstructing high-quality images, which are essential for reliable diagnostic outcomes.

Impact of climate change on the distribution of the citrus longhorned beetle Anoplophora chinensis (Coleoptera: Cerambycidae) and its host plants, Castanea mollissima and Castanea seguinii: a predictive analysis using optimized MaxEnt models.

The Anoplophora chinensis (Coleoptera: Cerambycidae) (Forster), a serious phytophagous pest threatening Castanea mollissima Blume and Castanea seguinii Dode, poses risks of ecological imbalance, significant economic loss, and increased management difficulties if not properly controlled. This study employs optimized MaxEnt models to analyze the potential distribution areas of A. chinensis and its host plants under current and future climate conditions, identifying their movement pathways and relative dynamics.

Machine learning models for predicting postoperative peritoneal metastasis after hepatocellular carcinoma rupture: a multicenter cohort study in China.

Background: Peritoneal metastasis (PM) after the rupture of hepatocellular carcinoma (HCC) is a critical issue that negatively affects patient prognosis. Machine learning models have shown great potential in predicting clinical outcomes; however, the optimal model for this specific problem remains unclear.

Methods: Clinical data were collected and analyzed from 522 patients with ruptured HCC who underwent surgery at 7 different medical centers.

Assessment of viable tumours by [Ga]Ga-FAPI-04 PET/CT after local regional treatment in patients with hepatocellular carcinoma.

Purpose: To investigate the efficacy of [Ga]Ga-FAPI-04 PET/CT for assessing viable tumours (VTs) after local regional treatment (LRT) in hepatocellular carcinoma (HCC) patients. The related imaging features of HCC after LRT are preliminarily discussed.

Methods: A cohort of 37 LRT patients with HCC (encompassing 51 lesions) was retrospectively included from a prospective parent study (ChiCTR2000039099), and sequential PET/CT using [F]FDG and [Ga]Ga-FAPI-04 was performed.

A De Novo Frameshift Variant in SMC1A Causes Non-Classic Cornelia de Lange Syndrome With Epilepsy: A Case Report and Literature Review.

Background: Cornelia de Lange syndrome (CdLS) is a multisystem genetic disorder. Although individuals with variants in the SMC1A gene are less commonly seen in CdLS, they exhibit a high incidence of epilepsy and atypical phenotypic variability.

Methods: The clinical data of a patient with non-classic CdLS and epilepsy caused by an SMC1A variant were summarized.

Near-infrared brain functional characteristics of mild cognitive impairment with sleep disorders.

Background: Mild cognitive impairment (MCI) has a high risk of progression to Alzheimer's disease. The disease is often accompanied by sleep disorders, and whether sleep disorders have an effect on brain function in patients with MCI is unclear.

Aim: To explore the near-infrared brain function characteristics of MCI with sleep disorders.

Posttraumatic stress symptoms among Chinese university students during the COVID-19 pandemic: Prevalence, correlates, and mental health help-seeking.

Background: Revisiting the epidemiology of posttraumatic stress symptoms (PTSSs) among university students during the coronavirus disease 2019 (COVID-19) pandemic as well as understanding the mental health help-seeking behavior of individuals with PTSSs has critical implications for public mental health strategies in future medical pandemics.

Aim: To investigate the prevalence and correlates of PTSSs among university students during the first wave of the COVID-19 pandemic in China and to examine mental health help-seeking behaviors among these students.

Methods: A total of 2507 Chinese university students were recruited snowball sampling.

Anatomic and clinical implications of venous drainage variations in superior segment resections for clinical T1N0 non-small cell lung cancer.

Background: Superior segmentectomies for clinical T1N0 non-small cell lung cancer (NSCLC) often suffer from inadequate surgical margins. Our study aimed to enhance the precision of superior segmentectomies by focusing on the anatomical features of the superior segmental vein (V) branches, and assess the relevant outcomes.

Methods: The clinical data of 646 patients with cT1N0 NSCLC who underwent video-assisted thoracic surgery (VATS) from August 2020 to August 2021 were retrospectively analyzed.

Development and validation of a nomogram for predicting visceral pleural invasion in patients with early-stage non-small cell lung cancer.

Background: Visceral pleural invasion (VPI) is associated with a poor outcome in early-stage non-small cell lung cancer (NSCLC). Preoperative prediction of VPI could have an impact on surgical planning. The aim of this study was to establish a nomogram model based on computed tomography (CT) features to predict VPI in early-stage NSCLC.

knockdown ameliorates retinal ganglion cell injury by inhibiting NLRP3 inflammasome activation after retinal ischemia.

Aim: To explore the neuroprotective effects of high mobility group box 2 () knockdown on retinal ganglion cells (RGCs) in the retinal ischemia-reperfusion injury (RIRI).

Methods: Oxygen-glucose deprivation (OGD)-injured RGCs from postnatal three-day C57BL/6 mice pups and high intraocular pressure (IOP)-induced RIRI mice were used as cellular and animal models of RIRI. The expression of HMGB2 in the retina of RIRI mice and OGD-injured RGCs was detected through reverse transcription-polymerase chain reaction (RT-qPCR) and Western blotting.

Quantifying the Pore Characteristics and Heterogeneity of the Lower Cambrian Black Shale in the Deep-Water Region, South China.

Recently, significant breakthroughs have been made in the exploration of shale gas in the Lower Cambrian black shale of the Sichuan Basin, indicating a promising commercial extraction potential. However, there remains considerable controversy regarding the pore structural characteristics for this shale formation, especially in the deep-water region. To address this, this paper focused on core samples from two shale gas wells (Xa1 and Xb1) located in the slope-basin facies zone during the Early Cambrian.

Functional characterisation of WRKY transcription factor CrWRKY48 involved in regulating seed abortion of Ponkan (Citrus reticulata).

Citrus fruits are one of the most important fruits in the world, and their seedless character is favored by consumers. WRKY is a plant-specific transcription factor family involved in all aspects of plant growth and development. However, the molecular mechanism of seedless fruit formation in citrus and the role of the WRKY gene family in seed abortion are still poorly understood.

Application of narrow-band imaging combined with hysteroscopic 7Fr cold knife in the treatment of missed early miscarriage.

Purpose: The application of narrow-band imaging for missed early miscarriage treatment remains unclear. This study determined the application advantages of NBI combined with hysteroscopic 7Fr cold knife embryo removal for treating missed early miscarriage.

Methods: A retrospective selection of 208 patients who were hospitalized for missed early miscarriage at Hubei Provincial Maternal and Child Health Hospital from January 2023 to June 2023 were included.

Recent Advances in Fast-Charging Sodium-Ion Batteries.

Sodium-ion batteries (SIB), stemming from the abundance of sodium resources and their cost-effectiveness, have positioning them favorably a potential candidate for stationary energy storage and public electric vehicles. As an intermediary of the grid system and output terminals of the charging station, fast-charging performance has actually become a crucial metric, which greatly relates to the charging station utilization and cost- and time-efficient. Besides, the fast-charging capacity is also relevant to the long-term stable operation public transportation.

Supramolecular Scale Hydrophilicity Regulation Enabling Efficient Dewatering and Assembly of Nanocellulose into Dense and Strong Bulk Materials as Sustainable Plastic Substitutes.

Cellulose nanofibers (CNFs) are ideal building blocks for creating lightweight and strong bulk structural materials due to their unique supramolecular structure and exceptional mechanical properties within the crystalline regions. However, assembling CNFs into dense bulk structural materials with customizable shape and functionalities remains a great challenge, hindering their practical applications. Here, the dewatering issue of aqueous CNF dispersions is addressed by regulating supramolecular scale hydrophilicity using lactic acid, combined with hot-press molding.

[Genetic evolution analysis of enteric cytopathogenic human orphan virus type 30 in three cases of infants and young children in Hubei Province].

Three throat swab samples from infants and young children in Hubei Province were identified as positive for enteroviruses. All subjects were one month old, and the onset of symptoms occurred in June; these cases were sporadic and exhibited no clear epidemiological associations. The results of VP1 gene amplification analysis indicated that all three infant cases were attributed to Echovirus 30 (ECHO30).

Interleukin-6 (IL-6)-associated tumor microenvironment remodelling and cancer immunotherapy.

Interleukin-6 (IL-6) is a pro-inflammatory cytokine playing a pivotal role during inflammation and immune responses. In the recent years, the function of IL-6 in the tumor microenvironment (TME) for affecting tumorigenesis and immunotherapy response has been investigated. The genetic mutations are mainly responsible for the development of cancer, while interactions in TME are also important, involving both cancers and non-cancerous cells.

Pathogenic Aeromonas veronii with the cheZ-mshK-aerA triple-gene mutant is attenuated and exhibits a potential candidate as a live attenuated vaccine.

Aeromonas veronii is a zoonotic pathogen that is commonly found in various aquatic environments and causes serious damage to the aquaculture industry. Anti-virulence strategies based on mutating the virulence factors are important antibiotic alternative methods against A. veronii infection.

IBI310 plus sintilimab vs. placebo plus sintilimab in recurrent/metastatic cervical cancer: A double-blind, randomized controlled trial.

Background: It remains unclear whether adding CTLA-4 blockade to PD-1/PD-L1 blockade improves clinical outcomes in cervical cancer (CC).

Methods: In this randomized, double-blind, placebo-controlled, phase 2 study (ClinicalTrials.gov: NCT04590599), patients with recurrent/metastatic CC (R/M CC) who experienced disease progression after or during platinum-based chemotherapy were enrolled from 37 centers across China and randomly assigned (1:1), stratified by PD-L1 expression and prior treatment lines, to receive either IBI310 plus sintilimab or placebo plus sintilimab intravenously every 3 weeks for 12 weeks, followed by sintilimab alone.

Prediction of OCT contours of short-term response to anti-VEGF treatment for diabetic macular edema using generative adversarial networks.

Diabetic macular edema (DME) stands as a leading cause for vision loss among the working-age population. Anti-vascular endothelial growth factor (VEGF) agents are currently recognized as the first-line treatment. However, a significant portion of patients remain insensitive to anti-VEGF, resulting in sustained visual impairment.