Publications by authors named "GuiCai Sun"

Background: The factors influencing the clinical outcome of arthroscopic rotator cuff repair are not fully understood.

Purpose: To explore the factors related to the postoperative outcome of arthroscopic single-row rivet rotator cuff repair in patients with rotator cuff injury and to construct the related nomogram risk prediction model.

Methods: 207 patients with rotator cuff injury who underwent arthroscopic single-row rivet rotator cuff repair were reviewed.

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Arctigenin (Ar) is a promising therapeutic candidate for postmenopausal osteoporosis (PMOP). This study explores its mechanism by examining its effects on adipogenesis and osteogenesis in ovariectomized (OVX) rats. In vitro, Ar effectively suppressed the adipogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) from OVX rats, reducing lipid droplet formation and downregulating proteins associated with lipid synthesis.

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polysaccharides used in polyphenol encapsulation and delivery under weightlessness are rarely reported. In this study, an anionic polysaccharide fragment named AAP Iα with a molecular weight of 133.304 kDa was isolated and purified to construct a polyphenol encapsulation system.

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Background: The purpose of this study was to investigate the influence of different residual meniscus volume on the biomechanics of tibiofemoral joint after discoid lateral meniscus (DLM) surgery by finite element analysis.

Methods: A knee joint model was established based on CT and MRI imaging data. The DLM model was divided into five regions according to conventional meniscectomy, with volumes of 15%, 15%, 15%, 15%, 15%, and 40% for each region.

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Background: Frozen shoulder (FS) and Dupuytren's disease (DD) are two closely related diseases, but the mechanism of their interaction is unknown. Our study sought to elucidate the molecular mechanism of these two diseases through shared gene and protein interactions.

Methods: GSE75152 and GSE140731 data were downloaded from the Gene Expression Omnibus (GEO) database, and shared genes between FS and DD were selected by using R packages.

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Article Synopsis
  • This study explores the role of N6-methyladenosine (mA) modification in the immune microenvironment of osteoarthritis (OA), revealing significant differences in mA regulator expression between healthy and OA samples.
  • Researchers analyzed 139 OA samples to identify two mA modification patterns, key mA regulators, and their associations with immune cell infiltration and gene activity.
  • The findings suggest that mA modification influences OA progression and immune responses, providing new insights into the disease's underlying mechanisms.
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Postmenopausal osteoporosis (PMOP) poses a significant threat to women's health worldwide. However, detailed molecular mechanism and therapeutic strategy for PMOP remain insufficient. Accumulating evidence suggests that miR-48-5p is implicated in the pathogenesis of osteoporosis.

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Background: To systematically evaluate the efficacy of teriparatide and bisphosphonates in preventing fractures in postmenopausal women with osteoporosis.

Materials And Methods: We performed a systematic search of PubMed, Embase, and the Cochrane Library for randomized controlled trials (RCTs) that compared teriparatide and bisphosphonates for osteoporosis treatment. Searches were performed without language restrictions and included studies from beginning of time to March 2019.

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Objective: To investigate the interaction between nuclear factor kappa-B (NF-κB) and inflammatory cytokines in synovial cell inflammatory responses induced by sodium urate, and to evaluate the efficacy of Xixiancao (Herba Siegesbeckiae Orientalis) on these interactions.

Methods: The interactions between NF-κB and inflammatory cytokines/mediators in synovial cells in acute gouty arthritis were investigated. We observed the expressions of NF-κB, interleukin (IL)-1β, IL-8, and tumor necrosis factor alpha (TNF-α) in synovial cells at different timepoints in an in vitro model of synovial cell inflammatory responses induced by sodium urate and in an in vivo model of gouty arthritis.

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Article Synopsis
  • Metabolomics is used to investigate how herbal medicine, specifically Epimedium, can help treat osteoporosis (OP), but its exact mechanisms are not fully understood.
  • A study analyzed the effects of ethanol extract from Epimedium on OP in rats, identifying 46 potential biomarkers, with 16 showing significant changes after treatment.
  • Key pathways related to the efficacy of Epimedium included arachidonic acid and glycerophospholipid metabolism, highlighting how metabolomics can shed light on disease mechanisms and the effects of natural remedies.
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Postmenopausal osteoporosis, the most common type of primary osteoporosis, poses a significant threat to women's health worldwide. However, detailed molecular mechanism and therapeutic strategy for postmenopausal osteoporosis remain insufficient. Increasing evidence suggests that microRNAs contributed to the pathogenesis of osteoporosis and could be considered as potential therapeutic targets.

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The incidence of atherosclerosis is greatly increased, which becomes the leading cause for the death and disability worldwide. Endothelial cells dysfunction plays a substantial role in the pathogenesis of atherosclerosis. MicroRNA-148a-3p (miR-148a-3p) and circular RNA 0003575 (circ_0003575) modulated lipid metabolism and proliferative function of endothelial cells, respectively.

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Background: To provide a low-toxicity and high-efficacy clinical treatment for osteoporosis via a novel combination of LiCl and LY294002.

Methods: The protein levels of p-AKT, AKT, p-GSK3β, GSK3β, β-catenin, p-β-catenin, and NFATC1 were measured in osteoblasts and osteoclasts by Western blot. ALP activity and TRACP activity were measured using the corresponding kit.

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Accumulation of extracellular amyloid-β (Aβ) in hippocampal subregions is a hallmark of Alzheimer's disease (AD), which promotes neuronal apoptosis, potentiates cognitive decline and play a causative role in AD pathogenesis. However, whether this process is controlled by distinct miRNAs at the posttranscriptional level remain fascinating but poorly understood. Using post mortem hippocampal samples from human AD patients and 3xTg-AD mouse, we demonstrate that miR-342-3p expression was significantly induced during the AD development.

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Aims: The present study aims to investigate the protective effect and underlying mechanism of Z-Guggulsterone (Z-GS), an active component from myrrh, on glucocorticoid-induced osteoporosis (GIO).

Main Methods: GIO rats were used to simulate osteoporosis in vivo while MC3T3-E1 cells were induced to osteoblast differentiation and treated with dexamethasone to simulate osteoporosis in vitro. The rats and cells were treated with Z-GS according to the protocol.

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Article Synopsis
  • Osteoporosis poses significant socio-economic challenges, including high medical costs and lifestyle restrictions, while oleanolic acid (OA) is recognized as a natural anti-osteoporosis agent with unclear therapeutic mechanisms.
  • This study investigates OA's anti-osteoporosis effects using a metabolomics approach on rats, focusing on biomarker identification and metabolic pathways linked to OA treatment.
  • Results show OA improves clinical indicators and bone density, influencing key metabolic pathways and potentially restoring balance in carbohydrate and lipid metabolism disrupted by osteoporosis.
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Pine polyphenols (PPs) are bioactive dietary constituents that enhance health and help prevent diseases through antioxidants. Antioxidants reduce the level of oxidative damages caused by ionizing radiation (IR). The main purpose of this paper is to study the protective effect of PPs on peripheral blood, liver and spleen injuries in mice induced by IR.

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