Publications by authors named "Weiwei Jia"

Introduction: This study aimed to evaluate the effectiveness of GPT-4o, with and without Retrieval-Augmented Generation (RAG), in responding to soft tissue sarcoma (STS)-related queries.

Methods: The study used a 20-question dataset derived from clinical scenarios related to adult STS. The responses were generated by GPT-4o with and without the RAG approach.

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Background: Ischemic brain injury results in high disability due to neuroinflammation and oxidative stress, and M1/M2 polarization of glial cells plays a key role in neuroinflammation. This research explored the protective effect of Catalpalactone on middle cerebral artery occlusion (MCAO)-induced brain injury and its underlying regulation mechanism in rats.

Methods: The ischemic lesions were induced by the MCAO, and the oxygen and glucose deprivation/reoxygenation (OGD/R) was used for BV2 microglial cell induction.

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We analyzed the differences in knot property of linear and curved knots of dominant, medium, and inferior wood with thirty-three trees from Mengjiagang Forest Farm and Linkou Forestry Bureau in Heilongjiang Province. We divided the 33 trees into two groups according to the height of the site index. We constructed a trunk diameter growth models to explore the connection, between the knot growth inflection points and the successive growth of diameter, and to screen for the types that had a weaker impact on wood quality.

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Background: Retroperitoneal liposarcoma (RLPS) is a mesenchymal malignant tumor characterized by different degrees of adipocytic differentiation. Well-differentiated liposarcoma (WDLPS) and dedifferentiated liposarcoma (DDLPS) are two of the most common subtypes of RLPS, exhibiting clear differences in biological behaviors and clinical prognosis. The metabolic features and genomic characteristics remain unclear.

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Exploring feasible drugs for the treatment of pathological cardiac hypertrophy has always been a focus of cardiovascular disease research. Paeoniflorin (PF) and β-Ecdysterone (β-Ecd) are the main active components of Paeonia lactiflora and Achyranthes bidentata, which can be used for the treatment of cardiovascular diseases, but their mechanism of action remains unclear. This study focused on oxidative stress and ferroptosis to investigate the protective effects of PF and β-Ecd on cardiac hypertrophy in primary cardiomyocytes and C57BL/6 mice, utilizing the integration of CCK8 assays, ROS detection, molecular docking, real-time quantitative PCR, western blot, immunofluorescence, etc.

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Article Synopsis
  • * Out of 50 patients, those who had bypass surgery (with gastrojejunostomy) experienced significantly less grade B-C DGE compared to those who didn't, suggesting the bypass may be beneficial.
  • * Although the bypass group showed a trend towards shorter hospital stays, the difference wasn’t statistically significant, indicating further research is needed on the overall benefits of the gastrojejunostomy procedure.
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Traditional Chinese Medicine (TCM) formulations serve as a multi-component pharmacological combination therapy with various potential targets and have collected extensive knowledge regarding the in vivo efficacy of treating cardiovascular disorders in clinical practice for thousands of years. However, the obscurity of the chemicals and the molecular mechanisms are impediments to their continued growth and globalization. Therefore, new modern medications based on the combination of beneficial TCM components with precise clinical efficacy are required.

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Background: Retroperitoneal liposarcoma (RLPS) typically shows limited response to standard chemotherapy, presenting a challenge in treating advanced or metastatic RLPS.

Objective: This study aimed to evaluate the potential advantages of a combined therapeutic strategy utilizing eribulin, anlotinib, and camrelizumab.

Design: Between December 2020 and March 2023, this retrospective study enrolled patients with advanced or metastatic RLPS who received treatment at Peking University Cancer Hospital Sarcoma Center.

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We established a mixed-effects model incorporating climatic factors for the base diameter and length of the primary branches of using stepwise regression, based on climatic data from a total of 40 standard plots located in Xiaolongshan, Gansu Province, Changlinggang Forest Farm in Jianshi County, Hubei Province, and Dagujia Forest Farm in Qingyuan County, Liaoning Province, as well as the data from 120 sample trees. Additionally, we created prediction charts for the fixed effects portion of the optimal mixed model to determine the relationship between climatic factors and base diameter and branch length, to explore the differential response of branches to climatic variables. The results showed that the base diameter mixing model with annual mean temperature and water vapor deficit and the branch length mixing model with annual mean temperature had the best fitting effect, with of 0.

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In this paper, we collected the individual tree point cloud data in the plots of plantations with different thinning intensities in Mengjiagang Forest Farm, applied the fractal analysis theory to extract box dimensions () on MATLAB platform, and characterized the structural complexity of . We assessed the effect of different thinning intensities and tree attributes on the structural complexity of . The results showed significant differences in between control (CK: 1.

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In order to analyze the growth pattern of tree height of planted and screen the provenances with fastest growth, we grouped the provenances using the differences in tree height, diameter at breast height (DBH) and volume of timber of 234 individuals of planted from 26 provenances in Maoershan Experimental Forest Farm. We constructed the growth equation for tree height by combining the base models of Gompertz, Korf, Richards, Logistic, and Schumacher, and then selected the optimal one. We introduced the prove-nance grouping as a dummy variable into the base model, and evaluated the optimal tree height growth equation by a comprehensive evaluation of the model according to the coefficient of determination (), the root-mean-square error (RMSE), the Akaikei Information Criterion (AIC), and the model's predictive precision ().

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Objective: Studies have shown that electroacupuncture (EA) can alleviate cognitive impairments from Alzheimer's disease (AD) by regulating the expression of adenosine monophosphate-activated protein kinase (AMPK), but the specific mechanism involved remains to be elucidated. Therefore, this study explores the potential mechanism by which EA improves cognitive function from the perspective of mitochondrial dynamics.

Methods: The four-month-old transgenic mice with amyloid precursor protein (APP)/presenilin 1 (PS1) and AMPKα1-subunit conditional knockout (AMPKα1-cKO) were used for experiments.

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Elastic polymer-based conductive composites (EPCCs) are of great potential in the field of flexible sensors due to the advantages of designable functionality and thermal and chemical stability. As one of the popular choices for sensor electrodes and sensitive materials, considerable progress in EPCCs used in sensors has been made in recent years. In this review, we introduce the types and the conductive mechanisms of EPCCs.

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Biocatalysis has emerged as a powerful alternative to traditional chemical methods, especially for asymmetric synthesis. As biocatalysts usually exhibit excellent chemical, regio- and enantioselectivity, they facilitate and simplify many chemical processes for the production of a broad range of products. Here, a new biocatalyst called, R-selective amine transaminases (R-ATAs), was obtained from Mycobacterium sp.

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Compound Shenhua Tablet, a medicine comprising seven herbs, is employed in treating IgA nephropathy. This study aimed to meticulously analyze its chemical composition. Based on a list of candidate compounds, identified through extensive literature review pertinent to the tablet's herbal components, the composition analysis entailed the systematic identification, characterization, and quantification of the constituents.

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When conventional delivery vehicles are driven over complex terrain, large vibrations can seriously affect vehicle-loaded equipment and cargo. Semi-active vehicle-mounted vibration isolation control based on road preview can improve the stability of loaded cargo and instruments by enabling them to have lower vertical acceleration. A combined dynamic model including a vehicle and platform is developed first.

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We constructed base model, dummy variable model, and mixture model with three variables including knot diameter, loose knot length, and sound knot length with three typical coniferous species, , , and var. , from the Linkou Forestry Bureau and Mengjiagang forest farm in Heilongjiang Province in 2020. We analyzed the differences in knot properties among different tree species and simplified the modeling work.

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The aim of the present study was to elucidate the role and downstream mechanism of long non‑coding RNA (lncRNA) metastasis‑associated lung adenocarcinoma transcript 1 () in the process of cervical cancer cell pyroptosis. The effect of inhibiting lncRNA on cervical cancer cells was determined using primary cells isolated from patients and U14 cervical tumor‑bearing nude mice. The level of lncRNA expression and cell viability were determined for relationship analysis.

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Article Synopsis
  • * Methods: 117 dysphagia patients were analyzed via VFSS, including those with Parkinson's and those recovering from strokes.
  • * Results: Significant differences were found in multiple swallowing metrics across different function grades, indicating that some quantitative measures reflect swallowing performance effectively, though further optimization is needed.
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Cardiac hypertrophy is frequently associated with ventricular dysfunction and heart failure. Paeoniflorin, has been widely used to treat cardiovascular dysfunction-related diseases. However, the underlying mechanism has been unclear.

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Background: Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumors of the gastrointestinal tract. Distant metastasis has been detected in approximately 50% of GIST patients at the first diagnosis. The surgical strategy for metastatic GIST with generalized progression (GP) after imatinib therapy remains unclear.

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N-methyladenosine (mA) methyltransferase Mettl3 is involved in conventional T cell immunity; however, its role in innate immune cells remains largely unknown. Here, we show that Mettl3 intrinsically regulates invariant natural killer T (iNKT) cell development and function in an mA-dependent manner. Conditional ablation of Mettl3 in CD4CD8 double-positive (DP) thymocytes impairs iNKT cell proliferation, differentiation, and cytokine secretion, which synergistically causes defects in B16F10 melanoma resistance.

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Background: Conventional chemotherapy has limited therapeutic effects in retroperitoneal soft tissue sarcomas (RSTs), while anlotinib emerged as a novel multi-target tyrosine kinase inhibitor (TKI) for sarcomas. TKIs in combination with immunotherapy have demonstrated clinical activity in a variety of solid tumors. This study retrospectively analyzed the efficacy and safety of anlotinib plus camrelizumab for the treatment of RSTs.

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Paddy rice is a typical wetland plant species, and mercury (Hg) accumulation in this rice has received much attention over the last two decades. The role of root iron plaque on rice Hg accumulation is not well understood. The effects of iron plaque on Hg uptake, translocation, and volatilization in rice seedlings were investigated under hydroponic conditions using different rice genotypes.

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