Publications by authors named "Shi Yan"

Objective: To elucidate the mechanisms underlying diabetic osteoporosis, we conducted a comprehensive histological examination of the femora of Spontaneously Diabetic Torii-Lepr (SDT-fa/fa) rats, an established model of obesity-related type 2 diabetes.

Materials And Methods: Femora from 12 30-week-old male SDT-fa/fa rats and age-matched Sprague-Dawley (SD) rats (controls) were used for detailed histochemical analyses, including tartrate-resistant acid phosphatase (TRAP), cathepsin K, alkaline phosphatase (ALP), phosphoethanolamine/ phosphocholine phosphatase 1 (PHOSPHO1), dentin matrix protein (DMP)-1, matrix extracellular phosphoglycoprotein (MEPE), sclerostin, osteocalcin staining, silver impregnation, von Kossa staining, and micro-computed tomography (CT).

Results: Micro-CT and hematoxylin-eosin staining demonstrated significantly reduced trabecular bone volume in the femoral metaphyses of SDT-fa/fa rats.

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Introduction: Studies using cross-sectional data or with a short follow-up period fail to distinguish whether the associations between sleep duration and physical activity with cognitive function result from reverse causation.

Methods: The longitudinal study examined the individual and joint associations, with specific temporality, between sleep duration and physical activity with cognitive function, using time-lagged linear mixed models and generalized additive mixed models.

Results: A total of 14,694 participants aged ≥ 50 years were included, with an average lagged time of 4.

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Background: Epidermal stem cells (ESCs) are primarily located in the basal layer of the epidermis and play a crucial role in wound healing. ESCs-derived exosomes (ESCs-Exo) are emerging as promising candidates for skin regeneration and wound healing. However, the underlying mechanisms remain unclear.

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Rationale: Coach autonomy-supportive behaviors are a crucial factor in the communication effectiveness with athletes experiencing depressive moods. Therefore, clarifying the relationship between coach autonomy-supportive behaviors and the communication effectiveness with athletes experiencing depressive moods is of significant importance for promoting effective communication between coaches and athletes. This study employs in-depth interviews, questionnaires, and stepwise regression analysis, using purposive sampling to investigate coaches and athletes experiencing depressive moods from various regions, levels, genders, and sports in China.

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During mammalian preimplantation development, the transition from morula to blastocyst is a critical biological event. This process involves polarization and initial specification of lineages, regulated by various transcription factors that have been extensively studied in mice. Our single-cell RNA sequencing analyses revealed that TEAD3 is specifically expressed in the trophectoderm cells of bovine preimplantation embryos, unlike in mice.

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When harvesting bunch tomatoes, accurately identifying certain fruiting stems proves challenging due to their obstruction by branches and leaves, or their similarity in colour to the branches, main vines, and lateral vines. Additionally, irregularities in the growth pattern of the fruiting pedicels further complicate precise picking point localization, thus impacting harvesting efficiency. Moreover, the fruit stalks being too short or slender poses an obstacle, rendering it impossible for the depth camera to accurately obtain depth information during depth value acquisition.

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Objective: To develop and validate a signature to precisely predict prognosis in pancreatic ductal adenocarcinoma (PDAC) undergoing resection and adjuvant chemotherapy.

Summary Background Data: PDAC is largely heterogeneous, and responds discrepantly to treatment.

Methods: 551 consecutive patients with PDAC from 3 tertiary centers were initially enrolled.

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The aim of this study was to examine the genomic characteristics and explore the molecular mechanisms underlying adrenal metastases in lung adenocarcinoma. 57 patients diagnosed with lung adenocarcinoma (LUAD) and adrenal metastases (AM) were enrolled, alongside 33 controls diagnosed with non-adrenal metastases (non-AM) at the time of diagnosis. The primary lung cancer tissue sample were analyzed using next-generation sequencing.

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Background: This study aimed to evaluate the predictive value of baseline PD-L1 targeted peptide Ga-NOTA-WL12 PET/CT in neoadjuvant immunotherapy combined with chemotherapy of resectable NSCLC.

Methods: Patients with resectable NSCLC (n = 20) enrolled in this prospective study received baseline paired Ga-NOTA-WL12 PET/CT and F-FDG PET/CT. After 2-4 cycles of toripalimab plus nab-paclitaxel and cisplatin, surgery was performed if R0 resection was available.

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The biological dissolution of jarosite accelerates As mobilization in acid mine drainage environments, which can be influenced by coexisting metals. However, few studies have focused on the effects of coexisting Pb on this biogeochemical process. Here, we investigated the behavior of As during the reductive dissolution of Pb-As jarosite (PbFe(SO, AsO)(OH)) by a sulfate-reducing bacterium (SRB) of Desulfovibrio desulfuricans.

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The construction, use, and maintenance of tritium-related equipment will inevitably produce tritium-containing radioactive waste gas, and the production of efficient catalysts for tritium removal remains a difficult problem. Herein, silicalite-1 zeolite with entrapped Pt nanoclusters is skillfully post-oxidized at an appropriate temperature, building highly active Pt─O sites on the nanoclusters to achieve efficient oxidation of hydrogen isotopes at low temperatures. The designed Pt─O sites can directly participate in the oxidation reaction of hydrogen isotopes.

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Article Synopsis
  • The study explored the toxicity and mechanisms of two synthetic cannabinoids, JWH-018 and JWH-019, in mice, zebrafish, and human kidney cells, despite the lack of information linking their chemical structures to toxicity.
  • JWH-018 caused significant cannabinoid-like effects in mice and anxiogenic behaviors in zebrafish, which were blocked by a specific receptor antagonist, while JWH-019 did not produce similar effects.
  • Molecular docking revealed key amino acids in the cannabinoid receptor (CB1R) that influence how these substances interact with the receptor, highlighting important differences in their binding and activation mechanisms.
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More than half of the patients with type II diabetes mellitus (T2D) develop diabetic cardiomyopathy (DCM). Glycemic control alone cannot effectively prevent or alleviate DCM. Herein, we concentrated on the variations in levels of metabolites between DCM and T2D patients without cardiomyopathy phenotype.

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To systematically review the characteristics of patients experiencing acute angle closure (AAC) attacks during the COVID-19 outbreak in Beijing. Patients with AAC attacks during the COVID-19 epidemic and those in the same period the following year were recruited. Demographic characteristics, ocular biometry, ocular signs, sequential relationships, and the prognosis of operative management outcome were recorded and compared between the 2 groups.

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  • - The study investigates the effectiveness of intradermal acupuncture (IA) as an alternative therapy for major depressive disorder (MDD) in a trial involving 120 participants, comparing it with selective serotonin reuptake inhibitors (SSRIs) and sham acupuncture.
  • - After 6 weeks of treatment, the group receiving SSRIs combined with active IA showed significantly greater improvement in depression scores than those on SSRIs alone or SSRIs with sham acupuncture, with no serious side effects reported.
  • - MRI analyses indicated that IA treatment improved functional connectivity in the brain regions associated with mood regulation, suggesting its potential role as an effective adjunct therapy for MDD.
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Heat stress (HS) is a stress response of organisms to temperature changes, which can result in organ damage and increased chicken mortality in high-temperature environments. The CHOP protein, also known as GADD 135, plays a crucial role in endoplasmic reticulum stress. However, there are fewer studies related to whether CHOP proteins are involved in heat stress-induced organ damage.

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Objective: To evaluate the modified vertebral bone quality (VBQ) method on the magnetic resonance imaging (MRI) T1-weighted (T1w), T2-weighted (T2w), and fat suppression (FS) series in evaluating bone mineral density (BMD) for patients with degenerative lumbar disease.

Methods: We reviewed preoperative data of postmenopausal female patients aged ≥ 50 years hospitalized to undergo lumbar surgery for degenerative lumbar disease with available MRI and dual-energy X-ray absorptiometry (DEXA). Patients were categorized into three groups according to T-score.

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Article Synopsis
  • Bell palsy (BP) is a common cause of sudden facial paralysis, which negatively affects patients' daily lives and physical appearance.
  • This study aims to compare the effectiveness of two types of electroacupuncture (EA) waveforms—low frequency continuous and intermittent—on improving facial function in BP patients through a randomized clinical trial involving 120 participants.
  • It is the first study to assess the safety and treatment effects of these waveform types, potentially guiding future research on optimal EA parameters for BP.
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Parathyroid hormone (PTH) is thought to induce remodeling-based bone formation by promoting osteoclastic activity, a process known as cellular coupling. Our research has shown that the frequency of PTH administration affects trabecular number and thickness. High-frequency PTH administration induced remodeling-based bone formation, while less frequent administration induced both remodeling-based and modeling-based bone formation.

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