Xanthan gum (XG), recognized for its environmentally friendly properties and versatile capabilities, has been studied for drilling fluid applications. However, its limited solubility and thermal stability restricts its broader use. In this study, a modified XG derivative, XG-g-KH570 modified SiO, was synthesized by grafting XG with KH570-modified nano-SiO.
View Article and Find Full Text PDFUlcerative colitis (UC) treatment is often limited by adverse reactions and high recurrence rates, highlighting the need for safer, more effective therapies. Citrus medica 'Fingered' (C. medica), known for its anti-inflammatory properties, remains underexplored, particularly its polysaccharide components.
View Article and Find Full Text PDFThe role of oxidative stress metabolism during hepatocellular carcinoma (HCC) formation potentially allows for positron emission tomography (PET) imaging of oxidative stress activity for early and precise HCC detection. However, there is currently limited data available on oxidative-stress-related PET imaging for longitudinal monitoring of the pathophysiological changes during HCC formation. This work aimed to explore PET-based longitudinal monitoring of oxidative stress metabolism and determine the sensitivity of [18F]-5-fluoroaminosuberic acid ([18F]FASu) for assessing pathophysiological processes in diethylnitrosamine (DEN) induced rat HCC.
View Article and Find Full Text PDFProtoderm formation is a crucial step in early embryo patterning in plants, separating the precursors of the epidermis and the inner tissues. Although key regulators such as ARABIDOPSIS THALIANA MERISTEM LAYER1 (ATML1) and PROTODERMAL FACTOR2 (PDF2) have been identified in the model plant Arabidopsis thaliana, the genetic pathways controlling protoderm specification remain largely unexplored. Here, we combined genetic, cytological, and molecular approaches to investigate the regulatory mechanisms of protoderm specification in Arabidopsis thaliana.
View Article and Find Full Text PDFPsoriasis vulgaris remains a common inflammatory skin disease globally. The imbalance between Th17 and Treg cells plays an integral role in the pathogenesis of psoriasis vulgaris, but the underlying mechanisms remain obscure. The role of AIM2 in Treg cell function in psoriasis is unclear.
View Article and Find Full Text PDFMedicine (Baltimore)
December 2024
To analyze hotspots and trends in renal cell carcinoma (RCC)-macrophage research using bibliometric analysis, although numerous studies on macrophages in RCC have been recently reported, understanding the progressive trends in this field remains challenging. Publications focused on macrophages in RCC were extracted from the Web of Science Core Collection. VOSviewer, Citespace, and Bibliometrics online platforms were used to visualize hot topics and global trends in RCC-macrophage research.
View Article and Find Full Text PDFTissue factor (TF) initiates local blood clotting and infiltration of tumor-associated macrophages, leading to tumor recurrence post-local ablation. Our study addressed inefficient cancer cell killing and immunosuppressive macrophage infiltration after percutaneous ethanol injection (PEI) in hepatocellular carcinoma (HCC). We evaluated the feasibility of F-radiolabeled polypeptide TF-targeted radioligand (tTF) as a PET tracer for assessing tumor response.
View Article and Find Full Text PDFHuman leukocyte antigen DR alpha (HLA-DRA) is recognized for its inhibitory effect on the progression of clear cell renal cell carcinoma (ccRCC); high HLA-DRA expression levels are positively correlated with improved prognosis in patients with ccRCC. In this study, we evaluated HLA-DRA expression in ccRCCs, its effects on tumor-associated macrophage recruitment, and the influence of polarization. Clinical cohort analyses revealed that elevated HLA-DRA expression in ccRCC cells was correlated with enhanced tumor infiltration by M1-type macrophages.
View Article and Find Full Text PDFHyperspectral imaging (HSI) technology was combined with chemometrics to achieve rapid determination of tanshinone contents in , as well as the rapid identification of its origins. Derivative (D1), second derivative (D2), Savitzky-Golay filtering (SG), multiplicative scatter correction (MSC), and standard normal variate transformation (SNV) were utilized to preprocess original spectrum (ORI). Partial least squares discriminant analysis (PLS-DA) and support vector machine (SVM) models were employed to discriminate 420 samples collected from Shandong, Hebei, Shanxi, Sichuan, and Anhui Provinces.
View Article and Find Full Text PDFIn Arabidopsis thaliana, the asymmetric cell division (ACD) of the zygote gives rise to the embryo proper and an extraembryonic suspensor, respectively. This process is controlled by the ERECTA-YODA-MPK3/6 receptor kinase-MAP kinase-signaling pathway, which also orchestrates ACDs in the epidermis. In this context, the bHLH transcription factor ICE1/SCRM is negatively controlled by MPK3/6-directed phosphorylation.
View Article and Find Full Text PDFTo establish a predictive model for clinical pregnancy outcomes following the transfer of a single fresh blastocyst in vitro fertilization (IVF). 615 patients (492 in training set and 123 in test set) who underwent the first single and fresh blastocyst transfer in the first IVF or intracytoplasmic sperm injection cycle performed in fertility centre of Shenzhen Zhongshan Obstetrics & Gynecology Hospital from July 2015 to June 2021 were enrolled in this study. Conventional method such as logistic regression (LR), individual machine learning methods including naive bayesian (NB), K-nearest neighbours (K-NN), support vector machine (SVM), decision tree (DT), and ensemble learning methods including random forest (RF), XGBoost, LightGBM, Voting were used to establish the clinical pregnancy outcome prediction model, and the efficacy among different models was compared.
View Article and Find Full Text PDFObjectives: The purpose of this study was to compare the safety and efficacy of drug-eluting bead (DEB) transarterial chemoembolization combined with lenvatinib and camrelizumab (DEB-TACE-Len-C) and DEB-TACE-Len for the treatment of unresectable hepatocellular carcinoma (uHCC).
Methods: This retrospective study consecutively included uHCC patients who underwent DEB-TACE-Len-C or DEB-TACE-Len treatment at our hospital and Qujing Second People's Hospital from April 2020 to April 2022. In total, 85 patients were enrolled.
Dormancy is an essential characteristic that enables seeds to survive in unfavorable conditions while germinating when conditions are favorable. Myosin-binding proteins (MyoBs) assist in the movement of organelles along actin microfilaments by attaching to both organelles and myosins. In contrast to studies on yeast and metazoans, research on plant MyoBs is still in its early stages and primarily focuses on tip-growing cells.
View Article and Find Full Text PDFBackground: Due to the scarcity and high cost of MRI in resource-constrained regions, prompt diagnosis and treatment of rotator cuff tears remain problematic in these areas. Therefore, extensive research has been conducted to predict rotator cuff tears using simple and affordable anteroposterior radiographs. It remains unclear whether non-standard anteroposterior radiographs would have a notable impact on the preciseness of the diagnosis.
View Article and Find Full Text PDFIntroduction: The general population experiences mortality rates that are related to high levels of high-sensitivity C-reactive protein (hs-CRP). We aim to assess the linkage of longitudinal trajectories in hs-CRP levels with all-cause mortality in Chinese participants.
Methods: We utilized data from the China Health and Retirement Longitudinal Study (CHARLS).
Systemic lupus erythematosus (SLE) is an autoimmune disorder that commonly affects the skin, kidneys, joints, and various other systemic tissues, with its development intricately linked to the process of immunosenescence. Quercetin (QC), a phytochemical that occurs naturally, demonstrates many different biological capabilities, such as antibacterial, antioxidant, and anti-inflammatory activities. Our investigation found that QC effectively reduced kidney damage and relieved mesenteric lymph nodes (mLNs) swelling in MRL/lpr lupus mice.
View Article and Find Full Text PDFBackground: The brain and kidneys share similar low-resistance microvascular structures, receiving blood at consistently high flow rates and thus, are vulnerable to blood pressure fluctuations. This study investigates the causative factors of cerebral microbleeds (CMBs), aiming to quantify the contribution of each risk factor by constructing a multivariate model via stepwise regression.
Methods: A total of 164 hospitalized patients were enrolled from January 2022 to March 2023 in this study, employing magnetic susceptibility-weighted imaging (SWI) to assess the presence of CMBs.
This study investigates the efficacy of a novel tissue-engineered scaffold for nerve repair and functional reconstruction following injury. Utilizing stable jet electrospinning, we fabricated aligned ultrafine fibers from dopamine and poly(L-lactic acid) (PLLA), further developing a biomimetic, oriented, and electroactive scaffold comprising poly(pyrrole) (PPy), polydopamine (PDA), and PLLA through dual in situ polymerizations. The scaffold demonstrated enhanced cell adhesion and reactive oxygen species (ROS) scavenging capabilities and promoted the differentiation of mesenchymal stem cells (MSCs) into Schwann-like cells, essential for nerve regeneration.
View Article and Find Full Text PDFObjectives: Flavonoids exhibit antioxidative, anti-inflammatory, and anticancer properties, yet the relationship between flavonoid intake and all-cause mortality in the obese population remains unclear.
Methods: This study included NHANES participants from 2007 to 2010 and 2017 to 2018. Cox regression analysis evaluated the impact of total flavonoid intake on all-cause mortality among participants with varying comorbidity profiles.
The accumulation of secondary metabolites in Panax ginseng Meyer (P. ginseng) exhibits significant geographical variation, normally due to environmental factors. The current study aimed at elucidating the key environmental factors modulating the accumulation of secondary metabolites in P.
View Article and Find Full Text PDFDrug discovery is a sophisticated process that incorporates scientific innovations and cutting-edge technologies. Compared to traditional bioactivity-based screening methods, encoding and display technologies for combinatorial libraries have recently advanced from proof-of-principle experiments to promising tools for pharmaceutical hit discovery due to their high screening efficiency, throughput, and resource minimization. This review systematically summarizes the development history, typology, and prospective applications of encoding and displayed technologies, including phage display, ribosomal display, mRNA display, yeast cell display, one-bead one-compound, DNA-encoded, peptide nucleic acid-encoded, and new peptide-encoded technologies, and examples of preclinical and clinical translation.
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