IEEE Trans Vis Comput Graph
January 2025
Generative methods for creating computer-aided design (CAD) models have gained significant attention over the past two years. However, existing methods lack fine-grained control over the generated CAD models, making it difficult to manage details such as model dimensions and the relative structure of components. To address these limitations, this study introduces Diffusion-CAD, a diffusion-based generative approach that outputs CAD construction sequences.
View Article and Find Full Text PDFA new type of gold catalyzed intermolecular dearomative cyclization reaction between diazo oxindole and tryptamine has been developed by utilizing the combination of LAuCl/AgPO (L=hexamethyl phosphane triamine) as the catalyst. This method allows for the facile preparation of a series of C-3-oxindole fused pyrroloindoline products in moderate to good yields with high diastereoselectivities. A plausible reaction mechanism, involving a cascade process of regioselective nucleophilic addition of the carbophilic gold carbenoid intermediate onto tryptamine, followed by an intramolecular cyclization, has been proposed, in which, the high diastereoselectivity is attributed to a preferred transition state.
View Article and Find Full Text PDFBlack corn (Zea mays L.), native to Latin America, has been cultivated for millennia and holds significant cultural and culinary importance. While anthocyanins are well-characterized flavonoids in black corn, acylated derivatives remain insufficiently explored.
View Article and Find Full Text PDFBackground: Microfracture drilling is a surgical technique that involves creating multiple perforations in areas of cartilage defects to recruit stem cells from the bone marrow, thereby promoting cartilage regeneration in the knee joint. Increasing the exposed bone marrow surface area (more holes in the same area) can enhance stem cell outflow. However, when the exposed area is large, it may affect the mechanical strength of the bone at the site of the cartilage defect.
View Article and Find Full Text PDFThe serious impact of on jujube black spot disease has seriously affected the quality and yield of jujube, constraining the sustainable development of the jujube industry. The purpose of this study was to isolate and screen highly effective biocontrol strains of jujube black spot disease from jujube rhizosphere soil. Thirty-three soil samples were collected from four regions in southern Xinjiang.
View Article and Find Full Text PDFDeep hashing technology, known for its low-cost storage and rapid retrieval, has become a focal point in cross-modal retrieval research as multimodal data continue to grow. However, existing supervised methods often overlook noisy labels and multiscale features in different modal datasets, leading to higher information entropy in the generated hash codes and features, which reduces retrieval performance. The variation in text annotation information across datasets further increases the information entropy during text feature extraction, resulting in suboptimal outcomes.
View Article and Find Full Text PDFThere is currently a dearth of evidence regarding the impact of the manipulation mode on human occupational exposure to volatile organic compounds (VOCs) originating from e-waste dismantling. Therefore, 11 VOC metabolites (mVOCs) and four oxidative stress biomarkers (OSBs; i.e.
View Article and Find Full Text PDFThe effects of salt-enzyme-alkali progressive tenderization treatments on porcine cortical conformation and collagen properties were investigated, and their effectiveness and mechanisms were analyzed. The tenderization treatment comprised three treatment stages: CaCl (25 °C/0-30 min), papain (35 °C/30-78 min), and NaCO (25 °C/78-120 min). The textural, microscopic, and collagenous properties (content, solubility, and structure) of pork skin were determined at the 0th, 30th, 60th, 90th, and 120th min of the treatment process.
View Article and Find Full Text PDFVolatile organic compounds (VOCs) have proven to be hazardous to the human respiratory system. However, the underlying biological mechanisms remain poorly understood. Therefore, targeted determination of eleven VOC metabolites (mVOCs) along with the nontargeted metabolomic analysis was performed on urine samples collected from lung cancer patients and healthy individuals.
View Article and Find Full Text PDFSoil fungi participate in various ecosystem processes and are important factors driving the restoration of degraded forests. However, little is known about the changes in fungal diversity and potential functions under the development of different vegetation types during natural (secondary forest succession) and anthropogenic (reforestation) forest restoration. In this study, we selected typical forest succession sequences (including Siebold & Zucc.
View Article and Find Full Text PDFCell Host Microbe
July 2024
Background: Malassezia restricta, a lipophilic and lipodependent yeast belonging to the basidiomycetes group, is an opportunistic fungal pathogen associated with various skin diseases, including seborrheic dermatitis and dandruff. Typically, Malassezia infection in neonates manifests as fungemia or hematogenous dissemination to the bone or lungs. However, vertebral osteomyelitis caused by these fungi is rarely reported owing to non-specific clinical presentations and laboratory/imaging findings.
View Article and Find Full Text PDFThe aim of infrared and visible image fusion is to generate a fused image that not only contains salient targets and rich texture details, but also facilitates high-level vision tasks. However, due to the hardware limitations of digital cameras and other devices, there are more low-resolution images in the existing datasets, and low-resolution images are often accompanied by the problem of losing details and structural information. At the same time, existing fusion algorithms focus too much on the visual quality of the fused images, while ignoring the requirements of high-level vision tasks.
View Article and Find Full Text PDFIn recent years, hydrogel-based wearable flexible electronic devices have attracted much attention. However, hydrogel-based sensors are affected by structural fatigue, material aging, and water absorption and swelling, making stability and accuracy a major challenge. In this study, we present a DN-SPEZ dual-network hydrogel prepared using polyvinyl alcohol (PVA), sodium alginate (SA), ethylene glycol (EG), and ZnSO and propose a self-calibration compensation strategy.
View Article and Find Full Text PDFPeripheral CD8 T cell number is tightly controlled but the precise molecular mechanism regulating this process is still not fully understood. In this study, we found that epilepsy patients with loss of function mutation of DEPDC5 had reduced peripheral CD8 T cells, and DEPDC5 expression positively correlated with tumor-infiltrating CD8 T cells as well as overall cancer patient survival, indicating that DEPDC5 may control peripheral CD8 T cell homeostasis. Significantly, mice with T cell-specific Depdc5 deletion also had reduced peripheral CD8 T cells and impaired anti-tumor immunity.
View Article and Find Full Text PDFBackground: Increasing data indicated that long noncoding RNAs (lncRNAs) were directly or indirectly involved in the occurrence and development of tumors, including hepatocellular carcinoma (HCC). Recent studies had found that the expression of lncRNA HAND2-AS1 was downregulated in HCC tissues, but its role in HCC progression is unclear. Ultrasound targeted microbubble destruction mediated gene transfection is a new method to overexpress genes.
View Article and Find Full Text PDFNutrients are essential for supporting tumor growth and immune cell function in the tumor microenvironment, but emerging evidence reveals a paradoxical competition and collaboration between the metabolic demands of proliferating cancer cells and immune cell activation. Dietary interventions and metabolic immunoengineering offer promise to selectively modulate cancer and immune cell metabolism by targeting metabolic sensing processes rather than pathways directly, moving beyond conventional ideas and heralding an exciting new era of immunometabolism discovery and translation.
View Article and Find Full Text PDFBiochem Pharmacol
May 2024
Colorectal cancer (CRC) is one of the most common causes of tumor-related deaths globally. Despite recent improvements in the comprehensive therapy of malignancy, metastatic CRC continues to have a poor prognosis. Human epidermal growth factor receptor 2 (HER2) is an established oncogenic driver, which is successfully targeted for breast and gastric cancers.
View Article and Find Full Text PDFRNA splicing is involved in cancer initiation and progression, but how it influences host antitumor immunity in the metabolically abnormal tumor microenvironment (TME) remains unclear. Here, we demonstrate that lactate modulates Foxp3-dependent RNA splicing to maintain the phenotypic and functional status of tumor-infiltrating regulatory T (Treg) cells via CTLA-4. RNA splicing in Treg cells was correlated with the Treg cell signatures in the TME.
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