Sheng Li Xue Bao
February 2025
Cardiovascular disease remains the leading cause of death in China, with its morbidity and mortality continue to rise. Ferroptosis, a unique form of iron-dependent cell death, plays a major role in many heart diseases. The classical mechanisms of ferroptosis include iron metabolism disorder, oxidative antioxidant imbalance and lipid peroxidation.
View Article and Find Full Text PDFWaste printed circuit boards (WPCBs) constitute a significant component of e-waste, harboring abundant recyclable valuable metals. The ongoing increase in e-waste requires an efficient recycling method to recover valuable metals, thereby enhancing the recycling efficiency. In this study, an efficient and environmentally friendly combined process of reverse flotation and two-step slurry electrolysis was used to recover copper and gold from WPCBs.
View Article and Find Full Text PDFJ Nanobiotechnology
February 2025
Integrated imaging techniques offer enhanced medical insights into the central nervous system by combining different modalities. In glioma diagnosis, the challenge often lies in delivering contrast agents effectively across the blood-brain barrier. We present an integrated multimodal imaging biohybrid, GV@pCY5, which enables blood-brain barrier penetrating as well as fluorescence and ultrasound (FL/US) imaging capabilities.
View Article and Find Full Text PDFBackground: This study aims to compare the effectiveness and safety of traditional endoscopic submucosal dissection (ESD), endoscopic submucosal tunneling dissection (ESTD), and endoscopic submucosal dissection with C-shaped incision (ESD-C) in the treatment of superficial esophageal cancer and precancerous lesions, providing reference and guidance for the treatment of esophageal cancer.
Methods: A retrospective analysis was conducted on the clinical data of patients who underwent ESD (n = 96), ESTD (n = 103), and ESD-C (n = 98) for superficial esophageal cancer or precancerous lesions between January 2017 and December 2022. Through comparative analysis, the effectiveness and safety of the three surgical methods were evaluated, and the risk factors for postoperative esophageal stricture were explored.
Compr Rev Food Sci Food Saf
March 2025
In recent decades, frozen dough has become an attractive means of preserving and offering the convenience of fresh-tasting foods while retaining their nutritional benefits. However, the frozen dough industry still faces significant challenges related to processing, freezing, and storage that affect the dough's quality and stability during thawing. Understanding the complex interactions between proteins (gluten, glutenin, gliadin, and glutenin macropolymers), starch dynamics (gelatinization and retrogradation), and water distribution-particularly how ice crystals interact with the gluten-starch matrix-is essential for improving frozen dough quality.
View Article and Find Full Text PDFWhether the calyx tube of the Korla fragrant pear falls off seriously affects the fruit quality. 'Xinnonglinxiang' is a mutant variety of the Korla fragrant pear, which has a high calyx removal rate under natural conditions, and calyx tube fall seriously affects the fruit quality. The mechanism behind the high calyx removal rate of 'Xinnonglinxiang' remains unclear; thus, Korla fragrant pear (PT) and 'Xinnonglinxiang' (YB) with different degrees of calyx abscission were used as examples and the abscission areas of calyx tubes were collected in the early (21 April), middle (23 April), and late (25 April) shedding stages to explore the regulatory mechanism behind the abscission.
View Article and Find Full Text PDFCropland changes are crucial aspects of land-use/land-cover changes (LUCC), which profoundly influence agricultural sustainability and terrestrial ecosystem health. In the context of dynamic shifts within the natural environment, coupled with the evolution of agricultural practices and the transformation of agrarian systems and policies, the trajectory of farmland alteration has exhibited significant divergence across various nations and regions. This article delves into the intriguing phenomenon of China's cropland migrating up to mountains and down to wetlands and analyses its spatiotemporal pattern evolution from 1990 to 2020.
View Article and Find Full Text PDFBackground: This study focused on the aging mechanism and degradation of mechanical and structural features of elastodontic appliances (EA) under artificial and intraoral aging to achieve oral myofunctional therapy with particular removable silicone elastomer devices.
Materials And Methods: EAs artificially aged in saliva with different pH values were investigated through cyclic compression testing along with characterization techniques (Scanning electron microscopy, X-ray diffraction, and Fourier transform infrared spectroscopy), and characterization analysis was also performed on clinically retrieved EAs.
Results: Artificial aging was found to have minimal effect on the structural properties of EAs, and intraorally aged samples showed perceptible micro-morphology.
Background: Gastrointestinal stromal tumors (GISTs) have malignant potential, and treatment varies according to risk. However, no specific protocols exist for preoperative assessment of the malignant potential of gastric GISTs (gGISTs). This study aimed to use machine learning (ML) to develop and validate clinically relevant preoperative models to predict the malignant potential of gGISTs.
View Article and Find Full Text PDFMethicillin-resistant Staphylococcus aureus (MRSA) infections pose great challenges to skin wound care due to the severe drug resistance developed in the clinic. There is an urgent need to exploit next-generation bactericidal therapeutics that are both antibiotic-free and multifunctional for enhanced wound healing. Herein, we designed a Ca-crosslinked alginate hydrogel (EcNSIN@Alg) containing two naturally derived bioactive components, probiotics Escherichia coli Nissle1917 (EcN) and Squid ink nanoparticles (SIN), to treat MRSA-infected wounds.
View Article and Find Full Text PDFIntroduction: Preeclampsia (PE), characterised by hypertension in pregnancy, is regarded as a placental metabolism-related syndrome affecting 5-8% of pregnancies worldwide. The insufficiency of polyunsaturated fatty acids (PUFAs), such as docosahexaenoic acid (DHA), is a causative factor of PE pathogenesis. However, its molecular aetiology is yet to be comprehensively elucidated.
View Article and Find Full Text PDFCellulose, as a biomass resource, has attracted increasingly attention and extensive research by virtue of its widely sources, ideal degradability, good mechanical properties and easy modification due to its rich hydroxyl groups. Nevertheless, it is still a challenge to attain high performance cellulose-based composite film materials with diverse functional combinations. In this work, we developed a multifunctional cellulose-based film via a facile impregnation-curing strategy.
View Article and Find Full Text PDFFetal growth restriction (FGR) is a relatively common complication of pregnancy, and insufficient syncytialization in the placenta may play an important role in the pathogenesis of FGR. However, the mechanism of impaired formation of the syncytiotrophoblast layer in FGR patients requires further exploration. In the present study, we demonstrated that the level of syncytialization was decreased in FGR patient placentas, while the expression of connective tissue growth factor (CTGF) was significantly upregulated.
View Article and Find Full Text PDFShanghai Kou Qiang Yi Xue
June 2024
Purpose: This study aimed to measure and analyze the transverse indicators of normodivergent patients with different sagittal skeletal malocclusions, to explore the transverse characteristics of different sagittal skeletal malocclusions.
Methods: Lateral cephalograms and CBCT of 90 normodivergent patients with skeletal Class Ⅰ, Ⅱ and Ⅲ in their permanent dentition were collected. Dolphin software was applied to measure the widths of the basal bone, alveolar bone, dental arch and buccolingual inclination angle of the corresponding teeth in the maxillary and mandibular canine, premolar and molar areas.
Background: CircRNA-encoded proteins (CEPs) are emerging as new players in health and disease, and function as baits for the common partners of their cognate linear-spliced RNA encoded proteins (LEPs). However, their prevalence across human tissues and biological roles remain largely unexplored. The placenta is an ideal model for identifying CEPs due to its considerable protein diversity that is required to sustain fetal development during pregnancy.
View Article and Find Full Text PDFYogurt is popular as a natural and healthy food, but its flavor greatly affects acceptability by consumers. Flavor compounds of yogurt are generally produced by the metabolism of lactose, protein, and fat, and the resulting flavors include carbonyls, acids, esters, alcohols, and so on. Each flavor compound can individually provide the corresponding flavor, or it can be combined with other compounds to form a new flavor.
View Article and Find Full Text PDFThe Mongolian gerbil is a distinctive experimental animal in China, as its genetic qualities possess significant value in the field of medical biology research. Here, we aimed to establish an economical and efficient panel for genetic quality detection in Mongolian gerbils using single-nucleotide polymorphism (SNP) markers. To search for SNPs, we conducted whole-genome sequencing (WGS) in 40 Mongolian gerbils from outbred populations.
View Article and Find Full Text PDFBiochim Biophys Acta Mol Basis Dis
October 2024
N6-methyladenosine (m6A) is the most abundant modification controlling RNA metabolism and cellular functions, but its roles in placental development are still poorly understood. Here, we characterized the synchronization of m6A modifications and placental functions by mapping the m6A methylome in human placentas (n = 3, each trimester), revealing that the dynamic patterns of m6A were associated with gene expression homeostasis and different biological pathways in placental development. Then, we generated trophoblast-specific knockout mice of Wtap, a critical component of methyltransferase complex, and demonstrated that Wtap was essential for trophoblast proliferation, placentation and perinatal growth.
View Article and Find Full Text PDFIn the field of chiral amine synthesis, ω-amine transaminase (ω-ATA) is one of the most established enzymes capable of asymmetric amination under optimal conditions. However, the applicability of ω-ATA toward more non-natural complex molecules remains limited due to its low transamination activity, thermostability, and narrow substrate scope. Here, by employing a combined approach of computational virtual screening strategy and combinatorial active-site saturation test/iterative saturation mutagenesis strategy, we have constructed the best variant M14C3-V5 (M14C3-V62A-V116S-E117I-L118I-V147F) with improved ω-ATA from (ATA) activity and thermostability toward non-natural substrate 1-acetylnaphthalene, which is the ketone precursor for producing the intermediate ()-(+)-1-(1-naphthyl)ethylamine [()-NEA] of cinacalcet hydrochloride, showing activity enhancement of up to 3.
View Article and Find Full Text PDFThe NODULE-INCEPTION-like protein (NLP) family is a plant-specific transcription factor (TF) family involved in nitrate transport and assimilation in plants, which are essential for improving plant nitrogen use efficiency. Currently, the molecular nature and evolutionary trajectory of NLP genes in the C4 model crop foxtail millet are unknown. Therefore, we performed a comprehensive analysis of NLP and molecular evolution in foxtail millet by scanning the genomes of foxtail millet and representative species of the plant kingdom.
View Article and Find Full Text PDFBackground: Colon cancer is a prevalent invasive neoplasm in the gastrointestinal system with a high degree of malignancy. Despite extensive research, the underlying mechanisms of its recurrence and metastasis remain elusive.Rho GTPase activating protein 4 (ARHGAP4), a member of the small GTPases protein family, may be closely related to tumor metastasis, and its expression is increased in colon cancer.
View Article and Find Full Text PDFThe increased use and expansion of biomass applications offer a viable approach to diminish reliance on petroleum-derived resources and promote carbon neutrality. Cellulose, being the most abundant natural polymer on Earth, has garnered considerable attention. This study introduces a straightforward method to fabricate a cellulose-based multifunctional composite film designed for efficient light management, specifically featuring flame retardant and thermal-healing capabilities.
View Article and Find Full Text PDFBackground: Colorectal cancer (CRC) is an aggressive tumor of the gastrointestinal tract, which is a major public health concern worldwide. Despite numerous studies, the precise mechanism of metastasis behind its progression remains elusive. As a member of the containing olfactomedin domains protein family, olfactomedin 2 (OLFM2) may play a role in tumor metastasis.
View Article and Find Full Text PDFImmobilized enzymes exhibit favorable advantages in biocatalysis, such as high operation stability, feasible reusability, and improved organic solvents tolerance. Herein, an immobilized ω-amine transaminase AtATA@MWCNTs-NH is successfully prepared using amino modified multi-walled carbon nanotubes as carrier and glutaraldehyde as crosslinker. Under the optimum immobilization conditions, the activity recovery is 78.
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