Publications by authors named "Juan Bu"

Background: To investigate the protective effect of carvedilol against atherosclerosis by inhibiting the NLRP3 inflammasome.

Methods: In-vitro experiments, human umbilical vein endothelial cells (HUVEC) were divided into the control group, ox-LDL group, carvedilol 5 μM group, carvedilol 10 μM group, and carvedilol 20 μM group. The optimal concentration of carvedilol was determined using the CCK-8 method to assess cell proliferation levels and oil red O staining to observe intracellular lipid droplet formation.

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  • - This study investigated the effectiveness of surgery for correcting vertical head posture in patients with congenital nystagmus (CN) in a Chinese family, also exploring the genetic causes of the condition.
  • - Researchers evaluated 18 family members, performing specific surgeries on 7 patients and assessing their head posture, visual acuity, and stereopsis before and after the procedure over two years.
  • - Results showed significant improvements in head posture and vision post-surgery, and a genetic mutation identified in exon 7 was linked to the disease, suggesting a hereditary component.
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Background: Acacetin is a natural flavonoid known for its anti-tumor, antioxidant, and anti-inflammatory properties. Our previous studies have shown its protective effects against cerebral ischemia-reperfusion injury (IRI), but the underlying molecular mechanisms remain unclear.

Purpose: The study delves into acacetin's mechanism in mitigating cerebral IRI, with a focus on transcriptomic insights.

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  • This study focuses on a Chinese family's unique cases of Duane retraction syndrome, highlighting both clinical symptoms and genetic features.
  • Four family members were examined, showing two with the syndrome and two unaffected, with advanced genetic testing uncovering a shared mutation in the CHN1 gene.
  • The affected individuals exhibited varying eye movement issues, and treatments like strabismus surgery improved the eye function and appearance of the younger patient.
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Our preliminary research indicates that acacetin modulates the nucleotide-binding oligomerization domain (NOD)-like receptor pyrin domain containing 3 (NLRP3) inflammasome, providing protection against Alzheimer's Disease (AD) and cerebral ischemic reperfusion injury. The mechanisms of acacetin to inhibit the activation of the NLRP3 inflammasome remain fully elucidated. This study aims to investigate the effects and potential mechanisms of acacetin on various agonists induced NLRP3 inflammasome activation.

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Purpose: In this study, the aim was to investigate the prevalence and risk factors of hyperuricemia (HUA) in the urban health checkup population in Urumqi, Xinjiang, and thus provide clues for the prevention of HUA.

Methods: People who attended medical examinations from May 2021 to June 2022 at a hospital in Urumqi, Xinjiang, were selected for evaluation based on their general information, physical examination results, and laboratory test results. The chi-square test was used to determine whether there was a difference in the prevalence of HUA among participants with different characteristics.

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Unlabelled: Although cross-border acquisitions (CBAs) are prevalent, many such acquisitions fail to complete. This challenge is even more profound for emerging market MNEs (EMNEs). Drawing upon the vicarious learning theory, we argue that EMNEs can learn from inbound foreign acquirers through the latter's demonstration, professional services firms, and employees.

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Background: Acacetin (5,7-dihydroxy-4'-methoxyflavone), one of the main extractions from , has anti-inflammatory effects. Our previous study found that acacetin inhibited the Nod-like receptor pyrin domain containing 3 (NLRP3) signaling pathway after cerebral ischemia-reperfusion injury. NLRP3 inflammasome plays a role in Alzheimer's disease (AD) process.

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We analyzed the distribution of chlorophyll-a (Chla) in the Bohai Sea area based on data from the geosynchronous orbit optical satellite Gaofen-4 (GF-4), which was launched in 2015, carrying a panchromatic multispectral sensor (PMS). This is the first time the geosynchronous orbit optical satellite GF-4 remote-sensing data has been used in China to detect the Chla change details in the Bohai Sea. A new GF-4 retrieved model was established based on the relationship between in situ Chla value and the reflectance combination of 2 and 4 bands, with the R of 0.

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Purpose: To observe the efficacy of modified Snyder-Thompson posterior scleral reinforcement with round scleral patches in Chinese children with high myopia.

Methods: This retrospective study included 46 Chinese children with high myopia (72 eyes) who underwent modified Snyder-Thompson posterior scleral reinforcement (PSR) with round scleral patches and 43 Chinese children with high myopia (67 eyes) who wore only spectacles as a control group. Both groups attended a follow-up at 3 years.

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Fabricating lanthanide doped up-conversion luminescence based nanocomposites has drawn increasing attention in nanoscience and nanotechnology. Although challenging in precise synthesis, structure manipulation and interfacial engineering, fabricating dendritic mesoporous silica coated up-conversion nanoparticles (UCNP@dMSNs) with a tunable pore size is of great importance for the functionalization and application of UCNPs. Herein, we report a strategy to prepare uniform monodisperse UCNP@dMSNs with a core-shell structure.

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Acacetin (5,7-dihydroxy-4'-methoxyflavone), a potential neuroprotective agent, has an inhibitory effect on lipopolysaccharide-induced neuroinflammatory reactions. However, whether acacetin has an effect on inflammatory corpuscle 3 (NLRP3) after cerebral ischemia-reperfusion injury has not been fully determined. This study used an improved suture method to establish a cerebral ischemia-reperfusion injury model in C57BL/6 mice.

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A sensitive and rapid method for the simultaneous determination of nine anticoagulant rodenticides (ARs) in human blood is reported herein. The method involves phospholipid removal pretreatment for reduced matrix effect (ME) and detection with ultra-performance liquid chromatography coupled with tandem mass spectrometry. Satisfactory recoveries were achieved ranging from 80.

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Background: Leber congenital amaurosis (LCA) is a visual disease which is caused by RPE65 mutations and results in retinal degeneration and severe vision loss in early infancy. According to previous researches, mutations of the RPE65 gene account for 16% of all cases of LCA. This study aimed to identify RPE65 gene mutations in Chinese patients with LCA.

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Background: Emerging evidence indicates that impaired angiogenesis may contribute to hypertension-induced cardiac remodeling. The nicotinamide adenine dinucleotide-dependent deacetylase Sirtuin 3 (SIRT3) has the potential to modulate angiogenesis, but this has not been confirmed. As such, the aim of this study was to examine the relationship between SIRT3-mediated angiogenesis and cardiac remodeling.

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Background: Congenital nystagmus (CN) is characterized by conjugated, spontaneous, and involuntary ocular oscillations. It is an inherited disease and the most common inheritance pattern is X-linked CN. In this study, our aim is to identify the disease-causing mutation in a large sixth-generation Chinese family with X-linked CN.

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A facile one-step solvothermal method was developed for the homogeneously confined growth of ultra-small (∼1.5 nm) and monodispersed 2H phase MoS2 nanodots into mesoporous silica nanoparticles (MSNs).

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Background: Congenital cataract is a rare disorder characterized by crystallin denaturation, which becomes a major cause of childhood blindness. Although more than fifty pathogenic genes for congenital cataract have been reported, the genetic causes of many cataract patients remain unknown. In this study, the aim is to identify the genetic cause of a five-generation Chinese autosomal dominant congenital cataract family.

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We investigated the protective effect of adenosine monophosphate-activated protein kinase (AMPK) inhibition on cerebral ischemic injury of mice, and characterized the role of AMPK inhibition on astrocytes, microglias, and neuroinflammation. Focal cerebral ischemia was induced by middle cerebral artery occlusion (MCAO) in male Kunming mice, and Compound C was used to inhibit AMPK activity. The neurobehavioral scores, infarct volumes, phosphorylation of AMPK, activation of the glial cells, levels of connexin 43 (Cx43), and related inflammatory mediators were affected by the presence or absence of AMPK inhibitor Compound C.

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Two novel fluorescence probes based on conjugated Schiff base for the detection of Zn(2+) were developed. Corresponding molecular geometries, orbital energies, electron contributions and absorption properties of the fluorescence probes were calculated at B3LYP/6-31G(∗) by density functional theory. The fluorescence properties of the probes were investigated by UV-vis and fluorescence spectrometer.

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Current therapy of malignant glioma in clinic is unsatisfactory with poor patient compliance due to low therapeutic efficiency and strong systemic side effects. Herein, we combined chemo-photothermal targeted therapy of glioma within one novel multifunctional drug delivery system. A targeting peptide (IP)-modified mesoporous silica-coated graphene nanosheet (GSPI) was successfully synthesized and characterized, and first introduced to the drug delivery field.

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Image segmentation is an important tool in image processing and can serve as an efficient front end to sophisticated algorithms and thereby simplify subsequent processing. In this paper, we present a pixel-based color image segmentation using Support Vector Machine (SVM) and Fuzzy C-Means (FCM). Firstly, the pixel-level color feature and texture feature of the image, which is used as input of the SVM model (classifier), are extracted via the local spatial similarity measure model and Steerable filter.

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