Publications by authors named "Yanwu Li"

Ethnopharmacological Relevance: Inflammation-to-cancer transformation is critical for the progression of ulcerative colitis to colitis-associated colorectal cancer (CAC).

Aim Of The Study: To explore the role and potential mechanisms of Qingre Huayu Jianpi prescription (QHJ) treatment in the development of CAC.

Materials And Methods: Combined network pharmacology and transcriptome analyses were used to investigate QHJ-associated targets and pathways in the context of CAC.

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This study aimed to examine the correlation between daily physical activity levels and gut microbiota during the perimenopausal period. To explore the physiopathological traits of perimenopause women, and provide a theoretical basis for the development of menopause exercise intervention program. In this study, daily physical activity was assessed using the ActiGraph wGT3X-BT wearable sensor, and 16S rRNA sequencing was employed to analyze gut microbiota diversity and composition.

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Background: extract (PAE), a traditional Chinese medicine (TCM) from , has been used to treat ulcerative colitis (UC), various types of wounds and ulcers, infantile malnutrition, palpitation, asthma, and so on. However, the exact mechanisms of PAE in UC have still not been fully revealed. The study aims to explore the therapeutic effects and mechanisms of PAE in UC.

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Introduction: Ulcerative colitis (UC) is a chronic inflammatory condition of the intestinal tract in which mucosal healing is a crucial measure of therapeutic efficacy. Quercetin, a flavonoid prevalent in various foods and traditional Chinese medicines, exhibits notable pharmacological properties, including antioxidant and anti-inflammatory activities. Consequently, it warrants investigation to determine its potential therapeutic effects on UC.

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  • Menopausal syndrome in women is characterized by symptoms like hot flashes, insomnia, mental disorders, and osteoporosis due to decreased estrogen levels.
  • Research shows that the gut microbiota of perimenopausal women differs from that of healthy women, highlighting the importance of gut health during this stage.
  • The study examined 44 women using 16S rRNA sequencing, revealing that changes in gut microbiota and metabolites, particularly in amino and lipid metabolism, may influence menopausal symptoms and conditions like osteoporosis.
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  • COVID-19, while not deemed a public health emergency anymore, still requires accurate testing due to ongoing regional impacts, with a study assessing over 3,000 negative tests revealing consistently low pass rates across samples.
  • Analysis of 132 positive samples highlighted key factors affecting test quality, including the experience of samplers, the condition of the samples at various stages, and seasonal influences, with children's samples showing lower quality.
  • The study emphasizes the importance of standardized practices and quality control among sampling staff, noting that reliable internal references can help in identifying and minimizing factors that interfere with nucleic acid test results.
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Background: Colorectal cancer (CRC) is a malignancy that arises within the gastrointestinal tract. Despite ongoing research, the etiology and pathogenesis of CRC remain elusive; particularly, the distribution and characteristics of tumor-associated macrophages is currently an active area of investigation in understanding the pathological progression and prevention of CRC.

Methods: This study utilized CRC patient surgical samples, mouse models of colitis-associated cancer, colonic organoid, and co-culture cell line to examine the changes in CD11b/CD86 at different pathological region and detect the Wnt signaling pathway activity.

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Background: Rheumatoid arthritis-associated interstitial lung disease (RA-ILD) is a common complication of rheumatoid arthritis (RA) that result in significant morbidity and mortality. Understanding the molecular mechanisms underlying RA-ILD is crucial for effective prevention. This study aims to identify the specific molecule that mediate the causal association between RA and ILD, as well as to explore its potential mechanisms in the pathogenesis of RA-ILD.

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Alzheimer's disease (AD) is a neurodegenerative disease mainly characterized by cognitive impairment. Glycogen synthase kinase 3 (GSK3β) is a potential therapeutic target against AD. Isoorientin (ISO), a GSK3β substrate competitive inhibitor, plays anti-AD effects in in vitro and in vivo AD model.

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  • Alzheimer's disease (AD) is a neurodegenerative disorder linked to oxidative stress, and the compound TFGF-18 shows promise by inhibiting GSK-3β, a potential therapeutic target for AD.
  • The study assessed TFGF-18's neuroprotective effects against oxidative stress in both lab-grown rat cells and scopolamine-induced AD mice, measuring various biochemical and behavioral responses.
  • Results indicated that TFGF-18 reduces neuronal damage, decreases oxidative stress markers, and enhances protective protein expressions, suggesting it may be beneficial for treating AD.
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Indomethacin, as a non-steroidal anti-inflammatory drugs, is widely used in the clinic. However, it can cause severe injury to the gastrointestinal tract and the incidence is increasing. It has become an essential clinical problem in preventing intestinal damage.

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Astragaloside IV (AS‑IV) has various pharmacological effects, including antioxidant and immunoregulatory properties, which can improve myasthenia gravis (MG) symptoms. However, the potential mechanism underlying the effects of AS‑IV on MG remains to be elucidated. The present study aimed to investigate whether AS‑IV has a therapeutic effect on MG and its potential mechanism of action.

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Intestinal macrophages play crucial roles in both intestinal inflammation and immune homeostasis. They can adopt two distinct phenotypes, primarily determined by environmental cues. These phenotypes encompass the classically activated pro-inflammatory M1 phenotype, as well as the alternatively activated anti-inflammatory M2 phenotype.

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Ethnopharmacological Relevance: Sarcandra glabra is officially named Zhong Jie Feng as a traditional medicine. In the nationality of Yao and Zhuang, it has been used to treat digestive diseases like stomachache and dysentery. Similarly, in Dai nationality, it has been used to treat intestinal diseases like gastric ulcers.

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Sinomenine (SIN), an alkaloid extracted from the Chinese herbal medicine Sinomenium acutum, has great potential in anti-inflammatory, immune regulation, analgesic and sedative, and is already a clinical drug for the treatment of rheumatoid arthritis in China. Our previous studies show SIN inhibits inflammation by regulating ɑ7nAChR, a key receptor of cholinergic anti-inflammatory pathway (CAP), which plays an important role in regulating peripheral and central nervous system inflammation. Growing evidence supports the cholinergic dysregulation and inflammatory responses play the key role in the pathogenesis of AD.

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Ethnopharmacological Relevance: Licorice can nourish Pi (spleen) and thereby strengthening the digestive system according to the theory of traditional Chinese medicine. Licorice has been generally used in the compound prescription to treat intestinal inflammatory disease. Licochalcone A (Lico A) is one of the characteristic molecules from licorice.

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Ethnopharmacological Relevance: Ulcerative colitis (UC) is an idiopathic intestinal disease characterized by chronic inflammation with unknown etiology. Kuijieling decoction is a traditional Chinese Medicine with unique therapeutic efficacy for UC.

Aim Of The Study: To validate the effects of Kuijieling decoction on vitamin A metabolism and retinoic acid (RA) production, along with evaluation of its immunomodulatory activity, and further clarify the upstream mechanisms underlying Treg/Th17 regulation that contribute to therapeutic effects against UC.

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Copper-catalyzed selective alkynylation with N-propargyl carboxamides as nucleophiles has been successfully developed for the synthesis of C2-functionalized chromanones. Under optimized reaction conditions, 21 examples were obtained in one-pot procedure through 1,4-conjugate addition. This protocol features readily available feedstocks, easy operations, and moderate to good yields, which provides viable access to pharmacologically active C2-functionalized chromanones.

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  • The study investigates immune cell characteristics in patients with active Crohn's disease (CDa) and inactive Crohn's disease (CDin) to understand their immune system differences.
  • Using mass cytometry and single-cell RNA sequencing, researchers analyzed various immune cells and found distinct patterns between CDa, CDin, and healthy controls.
  • Results showed that specific immune cell types were more prevalent in CDa compared to CDin, suggesting these cells might play a role in the progression of Crohn's disease and could help in improving diagnosis and treatment strategies.
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  • * Products are easily purified through simple filtration and washing methods.
  • * Explored iminoboronates through a one-pot reaction and evaluated their properties, leading to effective cross-coupling reactions that could aid in creating new boron masking strategies.
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  • The research examines the immune system's role in ulcerative colitis (UC), comparing active UC (UCa), inactive UC (UCin), and healthy controls (HC) to identify distinct immune characteristics.
  • Techniques like mass cytometry (CyTOF) and single-cell RNA sequencing (scRNA-seq) were employed to analyze immune cell differences and validate findings between the groups.
  • Key immune cell subsets were identified, revealing that UCa featured unique increases and decreases in specific Tregs, B cells, dendritic cells, and natural killer cells, which may help differentiate between UCa, UCin, and HC for better patient classification.
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Context: Valerian extract capsule (VEC) is an effective Chinese patent medicine used for gastrointestinal (GI) diseases.

Objective: To investigate the detailed pharmacological activity for VEC clinical effects in GI diseases.

Materials And Methods: Sprague-Dawley rats were divided into six groups: control, model, and drug-treated (VEC-L, VEC-M, VEC-H, and teprenone).

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  • The study introduces a new synthesis method to convert aldehydes into nitriles, utilizing imidazole hydrochloride as a promoter instead of traditional catalysts.
  • This one-pot method, which uses commercially available aldehydes and hydroxylamine, yields high results—up to 95%—especially when sulfolane is used as a solvent.
  • The research successfully synthesized 27 different functionalized nitrile compounds, emphasizing an eco-friendly approach compared to conventional techniques.
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Background: Sinomenine (SIN) is an anti-inflammatory drug that has been used for decades in China to treat arthritis. In a previous study, SIN acted on α7 nicotinic acetylcholine receptor (α7nAChR) to inhibit inflammatory responses in macrophages, which indicates a new anti-inflammatory mechanism of SIN. However, the level of α7nAChR was increased in the inflammatory responses and was downregulated by SIN in vitro, so the underlying mechanisms of SIN acting on α7nAChR remain unclear.

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Background: The application/abuse of antibiotics can cause antibiotic-induced intestinal injury (AIJ), a typical clinical issue that disturbs intestinal homeostasis. However, the underlying post-transcriptional mechanism of AIJ remains unknown. Glycyrrhetinic acid (GA) is one of the main components of Glycyrrhiza uralensis Fisch.

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