Publications by authors named "Xiao-jie Feng"

Article Synopsis
  • The study investigates the effects of a macroporous resin extract of leaves (DoMRE) on reducing serum uric acid (SUA) levels in rats with hyperuricemia (HUA) induced by unhealthy lifestyle choices.
  • Rats were given daily doses of DoMRE for 12 weeks, and various biochemical markers were measured to assess its impact on uric acid metabolism and liver function.
  • Results showed that DoMRE significantly lowered SUA levels, increased fecal uric acid excretion, and regulated various enzymes and transporters related to uric acid processing in the body.
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Metabolic hypertension (MH) is the most common type of hypertension worldwide because of unhealthy lifestyles, such as excessive alcohol intake and high-sugar/high-fat diets (ACHSFDs), adopted by humans. Poor diets lead to a decrease in the synthesis of short-chain fatty acids (SCFAs), which are produced by intestinal flora and transferred by G protein-coupled receptors (GPCRs), resulting in impaired gastrointestinal function, disrupted metabolic processes, increased blood pressure (BP), and ultimately, MH. It is not clear whether polysaccharide (DOPS) can mediate its effects by triggering the SCFAs-GPCR43/41 pathway.

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Materials And Methods: The active compounds in DO, their targets, and targets associated with hyperlipidemia were screened across various databases, and the hidden targets of DO in treating hyperlipidemia were forecast. The compound-target (C-T), protein-protein interaction (PPI), and compound-target-pathway (C-T-P) networks of DO were set up with Cytoscape software. The hub genes and core clusters of DO predicted to be active against hyperlipidemia were calculated by Cytoscape.

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Titanium (Ti) and Ti alloys are widely used biomaterials, but they lack osteogenic capability for rapid bone integration. To improve osseointegration of Ti implants, TiO nanotubes were prepared using the anodizing oxidation technique, and strontium (Sr) combined with icariin (ICA) was loaded on TiO nanotube coatings. Cell adhesion and proliferation of MC3T3-E1 cells, alkaline phosphatase (ALP) activity, mineralization of extracellular matrix, and bone formation around titanium implants in ovariectomized rats, were examined separately.

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Ti and Ti alloys are bioinert materials and two frequent problems associated with them are bacterial infection and lack of osteogenic potential for rapid bone integration. To overcome the problems, the present study incorporated strontium (Sr) and silver (Ag) simultaneously into porous TiO coatings through a single-step technique, micro-arc oxidation (MAO). Incorporation of Sr and Ag brought no significant changes to coating micromorphology and physicochemical properties, but endowed TiO coatings with both strong antibacterial activity and osteogenic ability.

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Various bone substitutes have been applied in sinus augmentation (SA) to overcome insufficient bone height at the posterior maxilla region caused by pneumatized sinus and severe alveolar bone resorption after teeth loss. However, their effectiveness in SA needs to be further elucidated. In this study, strontium-doped brushite (Sr-DCPD), a new bone substitute, together with bovine-derived hydroxyapatite (bHA) and synthetic hydroxyapatite (sHA) was used in rabbit maxillary SA with simultaneous implant installation.

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Calcium/calmodulin-dependent protein kinases (CaMKs) are a group of important molecules mediating calcium signal transmission and have been proved to participate in osteoclastogenesis regulation. CaMKII, a subtype of CaMKs is expressed during osteoclast differentiation, but its role in osteoclastogenesis regulation remains controversial. In the present study, we identified that both mRNA and protein levels of CaMKII (δ) were upregulated in a time-dependent manner during osteoclast differentiation.

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Article Synopsis
  • Pulp stones are hardened deposits formed from the denaturation of pulp tissue, commonly found in the pulp chamber and linked to dental issues like caries and pulposis.
  • Their occurrence tends to increase with age and they can be identified through X-ray as round or oval radiopaque spots.
  • This report details a unique case of a young female with multiple pulp stones despite having normal-looking clinical crowns, and it discusses the potential causes behind this situation.
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Background: This study assessed the survival outcomes and recurrent patterns in pelvic node-positive IB1-IIA2 cervical cancer patients treated with postoperative external beam irradiation with or without vaginal brachytherapy.

Methods: The records of 1149 cervical cancer patients received radical surgery between February 2008 and March 2010 were retrospectively reviewed. 126 stages IB1-IIA2 patients with positive pelvic lymph node (LN) were included and a total of 113 patients who received different postoperative radiation therapy were identified and analyzed.

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Purpose: To investigate the current status and problems of bilingual teaching on stomatology in China.

Methods: Three database, including CNKI, Wanfang database and VIP were used to retrieve the articles of bilingual teaching on stomatology from January 2001 to December 2012.

Results: Fifty articles were included in this study and the following items, publishing time, foundation support, journals, authors and author affiliation, the course, teaching effects, research classification and main components of the articles were analyzed.

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