Publications by authors named "Xiaodan Dong"

Background: Elevated lactate levels are reliable biomarkers of tissue hypoperfusion and metabolic stress. However, their prognostic significance in extensive burn patients undergoing early excision and grafting (EEG) remains unclear. This study aimed to evaluate the prognostic value of perioperative lactate levels in predicting clinical deterioration following EEG in patients with extensive burns.

View Article and Find Full Text PDF

Trametes sanguinea belongs to the polyporaceae family and its fruiting body possesses several benefits. In the current study, Trametes sanguinea ZHSJ (T. sanguinea ZHSJ) isolated from the chestnut tree wood was studied for its whole genome sequence and transcriptome sequence with their annotations.

View Article and Find Full Text PDF

This study examines the phytochemical profiles and antioxidant activities of highland barley varieties with white, blue, and black seed coat colors, focusing on the effects of cooking methods on black barley. Among the varieties, black barley, particularly Xiongzhang type, showed high concentrations of anthocyanins, proanthocyanidins, flavonoids, and phenolics, all of which are associated with enhanced antioxidant activities. Metabolomic profiling revealed significant biochemical diversity across the barley samples closely linked to seed coat color.

View Article and Find Full Text PDF

Elaborated molecular architectures, specifically those containing a 2-aminophenoxazinone scaffold, belong to one of the most ubiquitous and prominent classes of heterocyclic frameworks, going from natural products to biologically active pharmaceutical molecules and from agrochemicals to functional materials and polymers. Therefore, efficient synthetic strategies for the assembly of 2-aminophenoxazinone frameworks are always in demand and have gained attention in academic and industrial communities. Methodologies that involve cascade reactions generally catalyzed by transition metal complexes, such as iron, cobalt, manganese, copper, and zinc complexes, have stood out as a representative approach.

View Article and Find Full Text PDF

The number of communication base stations in the forest is insufficient, and it is difficult to cover the entire forest. Therefore, when a forest fire occurs, it is difficult for sensors to send the fire data to the monitoring and control center in a timely and complete manner, which will lead to greater disasters. In this paper, the Internet of Vehicles (IoV) communication technologies was employed to ensure the connectivity of communication links in the forest.

View Article and Find Full Text PDF

Alginate oligosaccharides (AOSs), important plant immunity inducers, are widely used in agriculture because of their important role in the biological control of crop diseases. However, the mechanism by which AOSs induce plant resistance to pathogens is not clear. Here, we report AOS with a degree of polymerization of 2-5, which was obtained by a newly reported enzyme Aly2.

View Article and Find Full Text PDF

Oral squamous cell carcinoma (OSCC) is the most common malignant tumour in the oral and maxillofacial region. Early diagnosis can significantly improve the 5-year survival rate of patients with OSCC. Therefore, it is extremely important to differentiate OSCC patients early, easily and quickly.

View Article and Find Full Text PDF

Macrophages are crucial immune cells within the tumor microenvironment (TME), involved in regulating tumor proliferation, invasion, metastasis, ECM remodeling, angiogenesis, and immunosuppression. Although more and more experimental evidence and clinical data indicate that macrophages are involved in the onset and progression of oral squamous cell carcinoma (OSCC), the exact pathogenesis of OSCC associated with macrophages has not been fully elucidated. Enhanced knowledge of the molecular mechanisms involving macrophages in OSCC will aid in the creation of treatments targeted specifically at macrophages.

View Article and Find Full Text PDF

Oral squamous cell carcinoma (OSCC) is a highly aggressive and malignant tumor of oral cavity with a poor prognosis and high mortality due to the limitations of existing therapies. The significant role of tumor microenvironment (TME) in the initiation, development, and progression of OSCC has been widely recognized. Various cells in TME, including tumor-associated macrophages (TAMs), cancer-associated fibroblasts (CAFs), T lymphocytes, tumor-associated neutrophils (TANs), myeloid-derived suppressor cells (MDSCs) and dendritic cells (DCs), form a complicated and important cellular network to modulate OSCC proliferation, invasion, migration, and angiogenesis by secreting RNAs, proteins, cytokines, and metabolites.

View Article and Find Full Text PDF

Alginate lyases can fully degrade alginate into various size-defined unsaturated oligosaccharide products by -elimination. Here, we identified the bifunctional endolytic alginate lyase Aly35 from the marine bacterium sp. Strain H204.

View Article and Find Full Text PDF
Article Synopsis
  • * Data was sourced from genome-wide association studies, including nearly 485,000 Europeans and ASI data from over 127,000 participants to identify causal relationships between ASI and eight age-related diseases.
  • * The analysis found that conditions like cardiovascular disease and hypertension may increase ASI, while hyperthyroidism and bowel issues could lower ASI, suggesting ASI could be a useful health indicator for older adults.
View Article and Find Full Text PDF

Lactarius deliciosus, a widely appreciated mushroom with delightful tastes and texture, has exhibited immunomodulatory activity in vitro, while the effects on intestinal flora metabolisms in vivo are ambiguous. In this study, a L. deliciosus polysaccharide (LDP) was extracted and purified, and the structural characteristics were evaluated, as well as the immunological enhancement on tumor-bearing mice through regulating intestinal flora metabolisms.

View Article and Find Full Text PDF

In the context of peptide drug development, glycosylation plays a pivotal role. Accordingly, L-type peptides were synthesized predicated upon the PD-1/PD-L1 blocker PPA-1. Subsequent glycosylation resulted in the production of two distinct glycopeptides, D-glu-PPA-1 and D-gal-PPA-1, by using D-glucose (D-glu) and D-galactose (D-gal), respectively, during glycosylation.

View Article and Find Full Text PDF

Small berry pomaces (SBPs) are poorly utilized as an inexpensive source of bioactive compounds. This study investigated the impact of compounding treatment on nutritional and antioxidant characteristics of combined SBPs, in comparison with single SBP. The results showed that the amounts of protein, minerals, dietary fiber (DF) and anthocyanidins were significantly () higher in combined SBPs than in combined fruits.

View Article and Find Full Text PDF
Article Synopsis
  • Bonord. Bainier belongs to the Hypocreaceae family and is recognized for its biocontrol and plant growth promotion abilities.
  • This genus exhibits several beneficial activities, including antimicrobial, insecticidal, herbicidal, and resistance to DDT, as well as the capacity to degrade it through specific enzymes.
  • The review highlights the need for further research on its potential against human pathogens and its role as an opportunistic pathogen, particularly focusing on its antiviral and antioxidant properties.
View Article and Find Full Text PDF

The roots of the medicinal plant Codonopsis pilosula (Franch.) Nannf (C. pilosula) possess most medicinal supplements.

View Article and Find Full Text PDF

In this study, an acid-extracted polysaccharide (GFP-A) was extracted from the fruiting bodies of G. frondosa with 1 % hydrochloric acid solution. Our study aimed to imitate the processes of digestion, absorption and antitumor activities of polysaccharides from G.

View Article and Find Full Text PDF

Polysaccharides from the Polygala tenuifolia Willd. have been shown multiple biological activities, however the structural feature and immunomodulatory activity are still rarely reported. In this study, a polysaccharide was obtained by purification, and its structural characteristics and immune activity were analyzed.

View Article and Find Full Text PDF

Objectives: The purpose of this study was to systematically analyze the studies of hypertension associated with obstructive sleep apnea to assess the current status and hot spots in this field.

Methods: We searched the Web of Science Core Collection for publications related to hypertension associated with obstructive sleep apnea published before July 3, 2021. Bibliometric analyses and science mappings were carried out using the CiteSpace 5.

View Article and Find Full Text PDF

In recent years, multiple edible polysaccharides from were mainly isolated with high average molecular weights and exhibited various bioactivities, but it was proven that low-molecular-weight polysaccharides could exert stronger activities due to the superior water solubility and permeability. In the present study, the water-soluble polysaccharide with low molecular weight was isolated under ultrasonic assistance at 30 °C, the extraction process was optimized via response surface method (RSM), and the structure and immunoregulatory activity were further investigated. The maximum yield (4.

View Article and Find Full Text PDF
Article Synopsis
  • - A novel polysaccharide called Angelica dahurica polysaccharide (ADP) was isolated, featuring a molecular weight of 6.09 × 10 Da and composed of 91.04% total sugar and 12.69% uronic acid, with various sugars identified in specific ratios.
  • - In vivo experiments on mice showed that ADP significantly inhibited tumor growth, boosted spleen lymphocyte and NK cell activity, and improved cytokine levels, alongside inducing apoptosis in tumor cells.
  • - The findings suggest that ADP's properties may provide a theoretical basis for its use in functional foods, highlighting its potential health benefits.
View Article and Find Full Text PDF

We recently isolated a polysaccharide from Polygala tenuifolia Willd. (PTP) and reported that such a PTP could induce cell apoptosis with FAS/FAS-L-mediated death receptor pathway in human lung cancer cells. Herein, we indicate antitumor activity and immunoregulation of PTP for S180 sarcoma cells by in vitro and in vivo targeting.

View Article and Find Full Text PDF

The Astragalus membranaceus polysaccharide (APS4) with direct cytotoxicity on various cancer cells has been prepared in our previous study, while the underlying therapeutic role of APS4 on solid tumors in vivo hasn't been investigated yet. Therefore, in this paper, the lymphocytes-mediated antitumor and immunoregulatory activities of APS4 were researched by establishing S180 tumor-bearing mice model. Flow cytometry analysis revealed that APS4 could effectively regulate the percentages of CD3, CD4, CD8 T cells and CD19 B cells in thymus, peripheral blood and spleen of S180 tumor-bearing mice, dose-dependently.

View Article and Find Full Text PDF

In this paper, a novel acidic polysaccharide (CPS-1) was successively prepared from Gynostemma pentaphyllum using hot water isolation method to explore its antitumor and antioxidant activities. Structural characteristics of CPS-1 were evaluated by SEM, HPGPC, HPAEC-PAD, FT-IR, and NMR. The results indicated: CPS-1 was mainly composed of Ara, Gal, Glc, Xyl, Man, GalA and GlcA in a molar ratio of 1.

View Article and Find Full Text PDF
Article Synopsis
  • * CMP90 is made up of various sugars like arabinose, galactose, glucose, xylose, and mannose, and shows promise for inhibiting cancer cell growth, notably HL-60 cells, by causing cell cycle arrest.
  • * In animal models, CMP90 demonstrated the ability to reduce solid tumor growth while supporting immune function by boosting serum cytokines and enhancing immune cell activity, suggesting its potential as an anti-cancer agent.
View Article and Find Full Text PDF