Reductive coupling of azonaphthalenes for the synthesis of BINAMs a diboron-enabled [5,5]-sigmatropic rearrangement.

The [5,5]-sigmatropic rearrangement is a less-studied reaction and may be strategically utilized to devise unique synthetic processes. Herein, we document a diboron-enabled [5,5]-sigmatropic rearrangement for practical synthesis of BINAM derivatives. Mechanistically, a concerted activation of azonaphthalenes by diboron creates a unique ten-membered transition state, which subsequently triggers a [5,5]-sigmatropic rearrangement.

Off-pump coronary artery bypass grafting versus percutaneous coronary intervention with second-generation drug-eluting stents for coronary artery revascularization.

Objective: This study compared the clinical efficacy of off-pump coronary artery bypass grafting (OPCAB) with percutaneous coronary intervention (PCI) in the treatment of left main coronary artery and/or triple-vessel disease (LM and/or TVD).

Methods: We retrospectively enrolled 1484 consecutive patients with LM and/or TVD in Shanxi Cardiovascular Hospital from January 2015 to December 2022 and divided them into the OPCAB group (n = 583) and the PCI group (with second-generation drug-eluting stents) (n = 901). Propensity score matching was used for 316 equally matched pairs of patients in the groups.

Correlation between hematological indicators in acclimatized high-altitude individuals and acute mountain sickness.

Background: The impact of acute mountain sickness (AMS) on individuals ascending to plateaus, soon after exposure to high altitudes, is well-documented. However, the specific relationship between AMS and alterations in blood parameters remains unclear.

Methods: A total of 40 healthy volunteers were recruited.

A New Insight into the Mechanism of Atrazine-Induced Neurotoxicity: Triggering Neural Stem Cell Senescence by Activating the Integrated Stress Response Pathway.

Atrazine (AT), a widely utilized chemical herbicide, causes widespread contamination of agricultural water bodies. Recently, exposure to AT has been linked to the development of age-related neurodegenerative diseases (NDs), suggesting its neurotoxicity potential. As an endocrine disruptor, AT targets the hypothalamus, a crucial part of the neuroendocrine system.

Mitochondrial transplantation rescues Ca homeostasis imbalance and myocardial hypertrophy in SLC25A3-related hypertrophic cardiomyopathy.

SLC25A3 encodes mitochondrial phosphate carrier (PiC), which is involved in inorganic phosphate transport. Clinical reports have found that most patients with homozygous or complex heterozygous mutations in SLC25A3 exhibit lactic acidosis, cardiac hypertrophy, and premature death. However, the potential molecular mechanisms underlying these associations remain unclear.

AFP shields hepatocellular carcinoma from macrophage phagocytosis by regulating HuR-mediated CD47 translocation in cellular membrane.

Objectives: Alpha fetoprotein(AFP) overexpression connecting with macrophage dysfunction remain poorly defined. In this study, explore AFP regulates macrophage immunomodulation in hepatocellular carcinoma(HCC) through comprehensive in vitro and in vivo studies.

Methods: Immunohistochemical and immunofluorescence staining was used to analyze the relativity of AFP and cellular membrane CD47 expression in clinical 30 HCC tissues, and the expression of AFP and CD47 in HCC cells.

Dual-control of incubation effect for efficiently fabricating surface structures in fused silica.

Fused silica with surface structures has potential applications in microfluidic, aerospace and other fields. To fabricate structures with high dimensional accuracy and surface quality is of paramount importance. However, it is indeed a challenge to strike a balance between accuracy and efficiency at the same time.

Alteration of Immune Function and Gut Microbiome Composition in Carassius auratus Challenged With Rahnella aquatilis.

Rahnella aquatilis as an emerging pathogen can cause bacterial enteritis in cyprinid fish such as crucian carp Carassius auratus. Currently, the characterisation of immune function and gut microbiome composition in C. auratus orally challenged by R.

Model-assisted CRISPRi/a library screening reveals central carbon metabolic targets for enhanced recombinant protein production in yeast.

Production of recombinant proteins is regarded as an important breakthrough in the field of biomedicine and industrial biotechnology. Due to the complexity of the protein secretory pathway and its tight interaction with cellular metabolism, the application of traditional metabolic engineering tools to improve recombinant protein production faces major challenges. A systematic approach is required to generate novel design principles for superior protein secretion cell factories.

Granular Nanofiber-Hydrogel Composite-Programmed Regenerative Inflammation and Adipose Tissue Formation.

The interplay between biomaterials and host immune responses critically determines outcomes in tissue restoration. Recent studies suggest that physicochemical properties of materials can dictate pro-regenerative versus pro-fibrotic responses and have begun to define the key immune cell types and signals governing these divergent effects. This emerging understanding enables the engineering of regenerative biomaterials capable of functional restoration in situ.

High-precision integral imaging 3D salient object detection and reconstruction with texture features based on E2E-TransGAN.

Under the framework of integral imaging, a high-precision 3D salient object detection and high-quality texture features reconstruction method is proposed by using the element to element-transformer and generative adversarial network (E2E-TransGAN). The proposed method fully exploits the global salient clues of the element image array to establish cross-regional element image dependency, thereby the accuracy of the salient prediction improved. Meanwhile, our proposed E2E-TransGAN algorithm stratifies the binary salient object area and the grayscale salient object edge, effectively addressing salient region prediction errors, obvious background noise, and color loss.

Nomogram model for predicting medication adherence in patients with various mental disorders based on the Dryad database.

Objective: Treatment compliance among psychiatric patients is related to disease outcomes. How to assess patient compliance remains a concern. Here, we established a predictive model for medication compliance in patients with psychotic disorders to provide a reference for early intervention in treatment non-compliance behaviour.

Ensemble modeling of aquatic plant invasions and economic cost analysis in China under climate change scenarios.

Pistia stratiotes, Eichhornia crassipes, Alternanthera philoxeroides, and Cabomba caroliniana are officially recognized as invasive aquatic plants in China. Accurately predicting their invasion dynamics under climate change is crucial for the future safety of aquatic ecosystems. Compared to single prediction models, ensemble models that integrate multiple algorithms provide more accurate forecasts.

Case report: A rare EBV-associated T/NK cell monomorphic posttransplant lymphoproliferative disorder.

Background: Kidney transplantation (KT) is the best treatment for patients with end-stage renal disease. However, postoperative complications remain the main issues faced during KT recovery period. Posttransplant lymphoproliferative disorders (PTLD) are one of the severe and life-threatening complications that occur after KT while the recipient is undergoing immunosuppressive therapy.

Photoinduced Bartoli Indole Synthesis by the Oxidative Cleavage of Alkenes with Nitro(hetero)arenes.

Given the unique charm of dipole chemistry, intercepting N-O=C dipoles precisely generated by designed processes to develop novel reactivity has become a seminal challenge. The polar fragmentation of 1,3,2-dioxazolidine species generated through the radical addition of excited nitro(hetero)arenes to alkenes represents a significantly underappreciated mechanism for generating N-O=C dipoles. Herein, we present a photoinduced Bartoli indole synthesis by the oxidative cleavage of alkenes with nitro(hetero)arenes.

Light-Controlled Interconvertible Self-Assembly of Non-Photoresponsive Suprastructures.

Achieving light-induced manipulation of controlled self-assembly in nanosized structures is essential for developing artificially dynamic smart materials. Herein, we demonstrate an approach using a non-photoresponsive hydrogen-bonded (H-bonded) macrocycle to control the self-assembly and disassembly of nanostructures in response to light. The present system comprises a photoacid (merocyanine, 1-MEH), a pseudorotaxane formed by two H-bonded macrocycles, dipyridinyl acetylene, and zinc ions.

[Comparative Life Cycle Assessment and Carbon Footprint of Typical Hydrogen Energy Products].

To compare the environmental impact and carbon footprint of gray hydrogen, blue hydrogen, and green hydrogen, inventories were obtained through literature research. Some inventories that were not available in China were obtained through foreign inventories combined with localized power conversion. The localized end-point destructive life cycle impact assessment method was used to calculate the environmental impact potential of the raw material acquisition, transportation, and hydrogen production stages of five hydrogen products.

In Situ Expression of Yak in Mammary Glands as a Treatment for Bovine -Induced Mastitis in Mice.

Since the development of dairy farming, bovine mastitis has been a problem plaguing the whole industry, which has led to a decrease in milk production, a reduction in dairy product quality, and an increase in costs. The use of antibiotics to treat mastitis can cause a series of problems, which can bring a series of harm to the animal itself, such as the development of bacterial resistance and dramatic changes in the gut flora. However, the in vivo and in vitro antibacterial activity of yak Interleukin-22 (IL-22) and its application in mastitis caused by have not been reported.

The Utility of Indocyanine Green Angiography in Breast Reconstruction to Detect Mastectomy Skin Flap Necrosis and Free Flap Perfusion: An Umbrella Review.

Two of the greatest challenges in breast reconstruction are mastectomy skin flap necrosis (MSFN) and autologous flap failure. This review summarizes current evidence regarding the usage of indocyanine green angiography (ICGA) in breast reconstruction, identifies knowledge gaps, and provides directions for future studies. An umbrella review was conducted to identify related syntheses in Embase, Ovid Medline, Scopus, the Cochrane Central Register of Controlled Trials, the Cochrane Database of Systematic Reviews, and the Clinical Trials databases.

Trace antibiotic exposure affects murine gut microbiota and metabolism.

Gut microbiota is important for host metabolism regulation. Antibiotic exposure disturbs this regulation by affecting the microbiome. Trace levels of antibiotics in water have been widely reported and the impact on gut microbiota remains understudied.

Establishment of heterozygous LMOD2 knockout human embryonic stem cell line (ZZUNEUi022-A-1) using CRISPR/Cas9 system.

Dilated Cardiomyopathy (DCM), a prevalent form of cardiomyopathy, is characterized by ventricular dilation and systolic dysfunction. Its etiology is intricate, encompassing multiple genetic and environmental elements. The LMOD2 (Leiomodin 2) gene has been demonstrated to be closely associated with the pathogenesis of DCM.

A novel pelvic magnetic resonance imaging measurement for pelvic organ prolapse evaluation.

Background: Pelvic magnetic resonance imaging has been proven effective for quantifying the extent of prolapse. The pubococcygeal line is used universally as a reference line in measuring pelvic organ prolapse; however, it focuses solely on 3 lowest points in the anterior, middle, and posterior pelvic compartments, without taking into account other pelvic floor structures and their interactions.

Objective: This study aimed to introduce and validate the area under the pubococcygeal line, a novel measurement method for evaluating pelvic organ prolapse, to examine its correlation with clinical Pelvic Organ Prolapse Quantification staging, and assess its reliability across different raters.

Lycopene mitigates atrazine-induced hypothalamic neural stem cell senescence by modulating the integrated stress response pathway.

Background: Atrazine, a widely used herbicide, has become a major pollutant in agricultural water bodies. Pesticide contamination, including atrazine, is linked to a high incidence of age-related neurodegenerative diseases, suggesting its neurotoxic potential. Lycopene, a potent antioxidant, is renowned for its diverse pharmacological effects, especially its neuroprotective properties.

Nickel-Catalyzed Stereoconvergent C(sp)-F Alkenylation of Monofluoroalkenes.

The stereoconvergent synthesis of a single stereoisomer from /-olefin mixtures remains one of the foremost challenges in organic synthesis. Herein, we describe a nickel-catalyzed stereoconvergent cross-coupling between - and -mixed monofluoroalkenes and alkenyl electrophiles, which allows the construction of C(sp)-C(sp) bonds. This defluorinative transformation offers facile access to various 1,3-dienes with -selectivity and good functional group tolerance.