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270 result(s) for "Wang, Weiqun"
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Phenolic Compounds in Whole Grain Sorghum and Their Health Benefits
Sorghum grain (Sorghum bicolor L. Moench) is a staple food grown across the globe, and is mainly cultivated in the semi-arid regions of Africa and Asia. Recently, sorghum grain is increasingly utilized for human consumption, due to the gluten-free nature and potential phenolic-induced health benefits. Sorghum grain is rich in bioactive phenolic compounds, such as ferulic acid, gallic acid, vanillic acid, luteolin, and apigenin, 3-deoxyanthocyanidins (3-DXA), which are known to provide many health benefits, including antioxidant, anti-inflammatory, anti-proliferative, anti-diabetic, and anti-atherogenic activities. Given an increasing trend of sorghum consumption for humans, this article reviews the content and profile of phenolics in sorghum. It covers aspects of their health benefits and explores their mechanisms of action. The impact of thermal processing, such as boiling, steaming, roasting, and extrusion on sorghum phenolics is also discussed. Compelling data suggest the biological functions of sorghum phenolics, however, further investigations appear warrant to clarify the gap in the current research, and identify promising research topics in future.
Measurement of static and dynamic pupillary characteristics after implantable collamer lens by sirius anterior segment analysis system
This study investigated static and dynamic pupillometry changes before and after ICL V4c implantation under varying light conditions. A prospective study of 210 high myopia patients undergoing V4c ICL implantation was conducted. Pupillometry was performed preoperatively and at 2 weeks, 1 month, and 3 months postoperatively using the Sirius anterior eye segment analysis system (CSO, Florence, Italy). Static parameters (pupil diameter at scotopic, mesopic, and photopic levels) and dynamic parameters (minimum pupil diameter post-light stimulation and dilation velocity) were evaluated. Postoperatively, pupil diameter (PD) decreased significantly under scotopic, mesopic, and photopic conditions but returned to preoperative levels by 1–3 months. Minimum PD after light stimulation and dilation velocity remained unchanged. Pupil center coordinates shifted inferotemporally and gradually approached the corneal center. Scotopic and photopic vaults positively correlated with PD under all light conditions but showed no correlation with minimum PD or dilation velocity. ICL V4c implantation transiently reduces pupil diameter under all light conditions, with recovery to baseline by 1–3 months. Pupil center shifts inferotemporally and approaches the corneal center, while vaults correlate with PD but not dynamic pupillary parameters. The ethics committee of Zhengzhou University’s First Affiliated Hospital gave its approval to this study (2024-KY-0561).
Antioxidant Properties of Hemp Proteins: From Functional Food to Phytotherapy and Beyond
As one of the oldest plants cultivated by humans, hemp used to be banned in the United States but returned as a legal crop in 2018. Since then, the United States has become the leading hemp producer in the world. Currently, hemp attracts increasing attention from consumers and scientists as hemp products provide a wide spectrum of potential functions. Particularly, bioactive peptides derived from hemp proteins have been proven to be strong antioxidants, which is an extremely hot research topic in recent years. However, some controversial disputes and unknown issues are still underway to be explored and verified in the aspects of technique, methodology, characteristic, mechanism, application, caution, etc. Therefore, this review focusing on the antioxidant properties of hemp proteins is necessary to discuss the multiple critical issues, including in vitro structure-modifying techniques and antioxidant assays, structure-activity relationships of antioxidant peptides, pre-clinical studies on hemp proteins and pathogenesis-related molecular mechanisms, usage and potential hazard, and novel advanced techniques involving bioinformatics methodology (QSAR, PPI, GO, KEGG), proteomic analysis, and genomics analysis, etc. Taken together, the antioxidant potential of hemp proteins may provide both functional food benefits and phytotherapy efficacy to human health.
CXCL3 promotes liver cancer progression by modulating the tumor microenvironment via the PI3K/AKT/mTOR pathway
CXCL3, a member of the CXC chemokine family, has been increasingly implicated in the progression of various cancers, including hepatocellular carcinoma, due to its role in immune and inflammatory responses within the tumor microenvironment. This study aimed to investigate the expression and function of CXCL3 in liver cancer and to elucidate its underlying mechanisms. A combination of bioinformatics analysis, ELISA, RT-qPCR, immunohistochemistry, in vitro cell assays, and in vivo nude mouse models was employed to assess CXCL3 expression and function. The results showed that CXCL3 was significantly upregulated in hepatocellular carcinoma tissues and associated with reduced overall survival in patients. It promoted the proliferation, colony formation, and migration of liver cancer cells (Bel-7402, HepG2, and SMMC-7721) via exogenous, autocrine, and paracrine mechanisms, and recruited tumor-associated macrophages, neutrophils, and fibroblasts into the tumor microenvironment. Mechanistically, CXCL3 activated the PI3K/AKT/mTOR pathway by upregulating PI3K, p-PI3K, AKT, p-AKT, mTOR, and p-mTOR, while the mTOR inhibitor Torin 1 reversed these effects. Gene set enrichment analysis showed enrichment in immune-related pathways, including Toll-like receptor and chemokine signaling. In vivo, CXCL3 overexpression significantly promoted tumor growth in nude mice. These findings suggest CXCL3 facilitates liver cancer progression through tumor microenvironment modulation and PI3K/AKT/mTOR pathway activation.
Longitudinal assessment of the progression of severe keratoconus based on corneal topography
We aimed to assess long-term disease progression in patients with severe keratoconus (KC). Clinical records of 125 patients (201 eyes) with severe KC followed-up for > 12 months were retrospectively analyzed. From these, 28 patients (31 eyes) were included. Corneal topography parameters evaluated included thinnest corneal thickness (TCT), maximum keratometry (Kmax), anterior and posterior mean corneal radii of 3 mm (aKM, pKM), steep keratometry, and KC screening indices. All patients wore rigid gas permeable contact lenses (RGPCLs) for an extended period. The median patient age and follow-up period were 20 (interquartile range [IQR] 17–22) years and 25 (15–38) months, respectively. Compared to baseline, the aKM, Kmax, and KC screening indices on the anterior corneal surface were reduced at the final follow-up ( P  < 0.05). No changes were observed in RGP-corrected visual acuity, TCT, pKM, or KC screening indices on the posterior corneal surface. The higher the baseline value, the greater the reduction in aKM and Kmax. Five patients (16%) experienced disease progression during follow-up. Patients with severe KC showed reduced anterior corneal surface curvature and no change in corneal thickness during an average follow-up period of 2–3 years while wearing RGPCLs.
Genetically Modified Rice Is Associated with Hunger, Health, and Climate Resilience
While nearly one in nine people in the world deals with hunger, one in eight has obesity, and all face the threat of climate change. The production of rice, an important cereal crop and staple food for most of the world’s population, faces challenges due to climate change, the increasing global population, and the simultaneous prevalence of hunger and obesity worldwide. These issues could be addressed at least in part by genetically modified rice. Genetic engineering has greatly developed over the century. Genetically modified rice has been approved by the ISAAA’s GM approval database as safe for human consumption. The aim behind the development of this rice is to improve the crop yield, nutritional value, and food safety of rice grains. This review article provides a summary of the research data on genetically modified rice and its potential role in improving the double burden of malnutrition, primarily through increasing nutritional quality as well as grain size and yield. It also reviews the potential health benefits of certain bioactive components generated in genetically modified rice. Furthermore, this article discusses potential solutions to these challenges, including the use of genetically modified crops and the identification of quantitative trait loci involved in grain weight and nutritional quality. Specifically, a quantitative trait locus called grain weight on chromosome 6 has been identified, which was amplified by the Kasa allele, resulting in a substantial increase in grain weight and brown grain. An overexpressing a specific gene in rice, Oryza sativa plasma membrane H+-ATPase1, was observed to improve the absorption and assimilation of ammonium in the roots, as well as enhance stomatal opening and photosynthesis rate in the leaves under light exposure. Cloning research has also enabled the identification of several underlying quantitative trait loci involved in grain weight and nutritional quality. Finally, this article discusses the increasing threats of climate change such as methane–nitrous oxide emissions and global warming, and how they may be significantly improved by genetically modified rice through modifying a water-management technique. Taken together, this comprehensive review will be of particular importance to the field of bioactive components of cereal grains and food industries trying to produce high-quality functional cereal foods through genetic engineering.
Investigating and analyzing the current situation and factors influencing chronic neck, shoulder, and lumbar back pain among medical personnel after the epidemic
Background Chronic shoulder and neck pain is one of the most common chronic occupational disorders, with an average incidence rate of 48.5%, severely affecting patients’ quality of life and ability to work. According to epidemiological research, the prevalence of chronic neck, shoulder, and low back pain in adults over the age of 45 ranges from 40 to 80%. According to reports, medical staff have a higher incidence rate than other populations, and there is a positive correlation between the grade of the medical institution and the incidence rate, making medical staff a priority group for the prevention of chronic neck, shoulder, and low back pain. By the end of 2022, China has been fully opened to epidemic prevention and control, the total number of patients in domestic hospitals has increased significantly, and resulting in medical personnel shoulting great pressure, which seriously affects the physical and mental health of medical personnel. The aim of this study was to explore the risk factors of chronic neck, shoulder and lumbar back pain in medical staff. To provide guidelines for medical staff to improve cervical and lumbar subacute pain and reduce the emergence of spinal lesions. Methods From January to February 2023, 602 staff members of a third-grade hospital in Zunyi City were studied by Questionnaire star. Univariate and multivariate Logistic regression were used to analyze the independent risk factors of chronic neck, shoulder and lumbar back pain in medical staff, with stepwise regression utilized to choose the optimum model. The model was selected using Akaike’s information criterion (AIC) and the Hosmer-Lemeshow goodness-of-fit test. Results A total of 602 medical staff were polled, and the findings revealed that 588 cases of chronic neck, shoulder, and low back pain of varied severity had occurred in the previous 1 to 2 years, with a 97.7% incidence rate; logistic regression analysis revealed that anxiety level, frequency of bending over in the previous 1 to 2 years, whether related preventive measures were taken at work, gender, positive senior title, daily ambulation time, and whether the department they worked in organized independent influencing factors. Conclusion The incidence of chronic neck, shoulder, and lumbar back pain among medical staff is high; its influencing factors are different and have not been systematically identified. Hospitals should take effective measures tailored to local conditions to improve the physical and mental health of medical staff.
Influence of Beach Erosion during Wave Action in Designed Artificial Sandy Beach Using XBeach Model: Profiles and Shoreline
Beach width is an important factor for tourists’ comfort, and the backshore is a swash zone where sediment moves quickly. Artificial sandy beaches focus on beach width stability and evolution. This paper is based on an artificial beach project in Haikou Bay, where, in view of the existing conditions, a new type of beach profile that can protect beach berm and width without being eroded by large wave action. Numerical simulation based on XBeach model were conducted to predict the morphodynamical responses of the beach, including a diagnosis of the erosion spots under storm and normal wave events, respectively. Sediment fluxes along and across the shoreline under varied scenarios, dependent on profile width and backshore slope, were discussed. It was found that normal waves with lower heights and longer periods can induce stronger erosion than storm waves due to the landform of the inner-bay in Haikou Bay. Engineering and biological methods to reduce beach erosion during wave action were discussed. Biological methods such as green-plants-root-system can retain berm surface sediment without allowing it to be transported offshore by wave action. The design concept of this artificial beach project may inspire more beach design and protection projects in coastal zones.
Efficacy of small incision lenticule extraction (SMILE), femtosecond-assisted laser in situ keratomileusis (FS-LASIK), and toric implantable collamer lens (TICL) implantation in correcting myopia with high astigmatism: a vector analysis
Purpose We evaluated the efficacy of small incision lenticule extraction (SMILE), femtosecond-assisted laser in situ keratomileusis (FS-LASIK), and toric implantable collamer lens (TICL) implantation for correcting myopia with high astigmatism by vector analysis. Methods This retrospective study included 155 patients (155 eyes) with myopia and high astigmatism who underwent SMILE, FS-LASIK, or TICL implantation at our hospital. Patients were selected and divided into three groups based on the surgical procedure. The safety and effectiveness of three methods in correcting high astigmatism were compared, and the efficacy on high astigmatism were compared using Alpins’ vector analysis. Results Six months after surgery, operative safety and effectiveness did not differ significantly among the implantation types. Postoperative cylinder and SE were higher in the SMILE and FS-LASIK groups compared to the TICL group ( P  < 0.05). Among the three groups, significant differences were observed in surgically-induced astigmatism (1.91 ± 0.46D vs. 2.14 ± 0.56D vs. 1.89 ± 0.63D), difference vector (0.43 ± 0.28 vs. 0.34 ± 0.24 vs. 0.80 ± 0.52), correction index (0.96 ± 0.15 vs. 1.02 ± 0.15 vs. 0.87 ± 0.21), angle of error (-3.38 ± 5.87°vs. -0.54 ± 4.04° vs. -7.23 ± 10.09°), flattening effect (1.87 ± 0.47 vs. 2.13 ± 0.57 vs. 1.74 ± 0.64), flattening index (0.93 ± 0.14 vs. 1.01 ± 0.15 vs. 0.80 ± 0.22), and index of success (0.23 ± 0.16 vs. 0.16 ± 0.12 vs. 0.38 ± 0.24) ( P  < 0.05). Conclusions SMILE, FS-LASIK, and TICL implantation are all safe and effective for correcting myopia with high astigmatism. FS-LASIK demonstrated the best correction effect on high astigmatism, followed by SMILE and TICL implantation.
Elevated expression of CXCL3 in colon cancer promotes malignant behaviors of tumor cells in an ERK-dependent manner
Background CXC chemokine ligand 3 (CXCL3) is a member of CXC-type chemokine family that is identified as a major regulator in immune and inflammation responses. Recently, numerous evidence indicated that CXCL3 is broadly expressed in various human tumor types, and it is also known to play a critical role in mediating tumor development and progression. However, the expression profile of CXCL3 and the exact molecular mechanism behind the role of CXCL3 in colon adenocarcinoma (COAD) has not been fully elucidated. Methods The expression and clinical significance of CXCL3 mRNA and protein in the tissues from COAD patients were estimated using bioinformatics and immunohistochemistry assays. The expression and roles of exogenous administration or overexpression of CXCL3 in HT-29 and SW480 COAD cells were determined using enzyme-linked immunosorbent assay(ELISA), Cell Counting Kit-8 (CCK-8) and Transwell assays. Mechanically, CXCL3-induced malignant behaviors were elucidated using western blotting assay and extracellular signal-regulated protein kinase 1/2 (ERk1/2) inhibitor PD98059. Results The cancer genome atlas ( TCGA)-COAD data analysis revealed that CXCL3 mRNA is highly expressed and has high clinical diagnostic accuracy in COAD. Increased expression of CXCL3 mRNA was associated with patient’s clinical stage, race, gender, age, histological subtype, nodal mestastasis and tumor protein 53 (TP53) mutation status. Similarly, immunohistochemistry assay also exhibited that CXCL3 protein in COAD tissues was significantly up-regulated. Gene expression associated assay implied that CXC chemokine ligand 1 (CXCL1) and CXC chemokine ligand 2 (CXCL2) were markedly correlated with CXCL3 in COAD. Protein-protein interaction (PPI) analysis revealed that cyclin B1 (CCNB1), mitotic arrest deficient 2 like 1 (MAD2L1), H2A family member Z (H2AFZ) and CXCL2 may be the important protein molecules involved in CXCL3-related tumor biology. Gene set enrichment analysis (GSEA) analysis revealed that CXCL3 was mainly enriched in the cell cycle, DNA replication, NOD-like receptors, NOTCH and transforming growth factor-β (TGF-β) Signal pathways. In vitro, exogenous administration or overexpression of CXCL3 resulted in increased malignant behaviors of HT-29 and SW480 cells, and down-regulation of CXCL3 expression inhibited the malignant behaviors of these tumor cells. In addition, overexpression of CXCL3 affected the expression of genes related to extracellular signal regulated kinase (ERK) pathway, including ERK1/2, p-ERK, B-cell lymphoma-2 (Bcl-2), Bcl-2-associated X protein (Bax) and Cyclin D1. Finally, CXCL3-induced malignant behaviors in HT-29 and SW480 cells were obviously attenuated following treatment with ERK inhibitor PD98059. Conclusion CXCL3 is upregulated in COAD and plays a crucial role in the control of malignant behaviors of tumor cells, which indicated its involvement in the pathogenesis of COAD.