Publications by authors named "MeiCun Yao"

Article Synopsis
  • Triphala is a combination of three botanical drugs known for its heat-clearing, anti-inflammatory, antioxidant, and antibacterial properties, extensively used in India and Tibet.
  • The study examines the antibacterial effects of Triphala on various bacteria strains using different methods, revealing its capability to inhibit bacterial growth and biofilm formation.
  • Results indicate that Triphala disrupts bacterial structure and downregulates key genes, highlighting its potential as a new therapeutic option for preventing and treating bacterial infections.
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Background: Retz, known as the King of Tibet, is considered a functional food in China, celebrated for its antioxidant, immune-modulating, antibacterial, and anti-inflammatory properties. Chebulinic acid, derived from aqueous extracts of Retz, is known for its anti-inflammatory properties. However, its potential as an anti- (HP) agent has not been fully explored.

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Article Synopsis
  • Gastric cancer is a major global health issue, and this study explores the impact of Helicobacter pylori (HP) infection on gastric cancer cells, focusing on their viability and migration.
  • The research involved multiple assays to assess the effects of HP on cancer cell behaviors and used bioinformatics to identify genes associated with HP infection, with particular attention to their implications for immunity and drug sensitivity.
  • Results indicated that while HP infection doesn't significantly affect cell viability, it enhances the migration of gastric cancer cells; 1405 genes related to HP infection were identified, and seven key genes were validated that appear to influence migration and treatment response in gastric cancer.
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Background: The aqueous extract of the dried buds of Syzygium aromaticum (SAAE) have the potential to alleviate Helicobacter pylori infection, but the specific molecular mechanism has not been fully elucidated.

Purpose: This study aimed to investigate the underlying mechanisms of SAAE on H. pylori pathogenicity.

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The primary treatment method for eradicating Helicobacter pylori (H. pylori) infection involves the use of antibiotic-based therapies. Due to the growing antibiotic resistance of H.

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1,3,6-Trigalloylglucose is a natural compound that can be extracted from the aqueous extracts of ripe fruit of Retz, commonly known as "". The potential anti- (HP) activity of this compound has not been extensively studied or confirmed in scientific research. This compound was isolated using a semi-preparative liquid chromatography (LC) system and identified through Ultra-high-performance liquid chromatography-MS/MS (UPLC-MS/MS) and Nuclear Magnetic Resonance (NMR).

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Article Synopsis
  • HZQYF, made from herbal ingredients like Chebulae Fructus, Ficus hirta, and Cloves, shows potential as an alternative treatment against a stomach bacterium linked to disorders like gastritis and gastric cancer.
  • The study evaluated HZQYF's antibacterial activity, gene expression effects, and its impact on bacterial morphology and membrane permeability using various laboratory methods.
  • Results indicate that HZQYF effectively inhibits bacterial growth and alters gene expressions critical for bacterial adhesion and activity, suggesting it could be a viable treatment option amidst rising antibiotic resistance.
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Ethnopharmacological Relevance: Terminalia chebula Retz., known as the King of Traditional Tibetan Medicine, is widely used for treating various ailments, particularly stomach disorders. It exhibited inhibitory activity against helicobacter pylori.

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Unlabelled: L., a traditional Chinese medicine (TCM) called DiYu (DY) in China, has a strong tradition of utilization as a scorching, blood-cooling, and hemostatic medication, and was used for cancer prevention and treatment due to its potential immune-enhancing and hematological toxicity-reducing effects. Previous studies have reported significant effects of DY on cancers including colorectal cancer (CRC), which is one of the most common malignancies worldwide.

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The CLU rs11136000C mutation (CLU) is the third most common risk factor for Alzheimer's disease (AD). However, the mechanism by which CLU leads to abnormal GABAergic signaling in AD is unclear. To address this question, this study establishes the first chimeric mouse model of CLU AD.

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Helicobacter pylori (H. pylori) has infected more than half of the world's population, and is the major cause of gastric cancer. The efficacy of standard antibiotic-based triple therapy is declining due to drug resistance development.

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Background: Colorectal cancer (CRC) is the most common malignant cancer worldwide. has been shown to have anti-inflammatory, anti-bacterial, antioxidant, and anti-tumor effects, while its molecular mechanism against CRC remains unclear. The aim of this study is to explore the underlying mechanism of against CRC cell lines using network pharmacology and transcriptomic sequencing methods.

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Background: Medicinal dendrobiums are used popularly in traditional Chinese medicine for the treatment of diabetes, while their active compounds and mechanism remain unclear. This review aimed to evaluate the mechanism and active compounds of medicinal dendrobiums in diabetes management through a systematic approach.

Methods: A systematic approach was conducted to search for the mechanism and active phytochemicals in Dendrobium responsible for anti-diabetic actions using databases PubMed, Embase, and SciFinder.

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Background: Colorectal cancer (CRC) is a widespread cancer with high morbidity and mortality. Chemoresistance and metastasis are the current challenges for CRC treatment. Sanguisorba officinalis Linn.

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Ethnopharmacological Relevance: Canarium album Raeusch. belongs to the Burseraceae family. Its ripe fruits, known as Qing Guo (QG) in Traditional Chinese Medicine (TCM), are used to treat sore throat, cough, and fish or crab poisoning.

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Colorectal cancer (CRC) is one of the most common cancer in the world. The first line chemotherapeutic agent, 5-fluorouracil (5-FU), plays a predominant role in the clinical treatment of CRC. However, with the wide use of 5-FU, more and more CRC patients have been obtaining drug resistance to 5-FU, which leads to a large amount of treatment failures.

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Background: Helicobacter pylori (H. pylori) infection has become an international public health problem, and antibiotic-based triple or quadruple therapy is currently the mainstay of treatment. However, the effectiveness of these therapies decreases due to resistance to multiple commonly used antibiotics.

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This new decade has started with a global pandemic of COVID-19 caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), precipitating a worldwide health crisis and economic downturn. Scientists and clinicians have been racing against time to find therapies for COVID-19. Repurposing approved drugs, developing vaccines and employing passive immunization are three major therapeutic approaches to fighting COVID-19.

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A selective, accurate, and efficient liquid chromatography-tandem mass spectrometry method was developed for the simultaneous determination of 13 phenolic acids. Additionally, for more comprehensively determining the chemical constituents in Sanguisorba officinalis L. extract, a previously developed method was employed for the simultaneous determination of six triterpenes.

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Article Synopsis
  • The rapid outbreak of 2019-nCoV leads to severe health consequences due to a phenomenon known as "cytokine storm," where the body overreacts to virus infections by releasing excessive inflammatory factors that cause widespread damage.
  • The Arachidonic acid metabolic pathway is crucial for synthesizing these inflammatory cytokines, indicating that targeting this pathway could help reduce the harmful immune response associated with the virus.
  • By screening traditional Chinese medicine databases, researchers identified several potential herbal remedies that could inhibit the Arachidonic acid pathway and mitigate the effects of cytokine storms, including compounds extracted from various medicinal plants.
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Article Synopsis
  • The study explores the use of traditional Chinese medicine (TCM) in combating COVID-19 by utilizing molecular docking technology to identify potential herbs for prevention and treatment, addressing the limitations of TCM screening.
  • Researchers created optimized docking models to screen the TCMD 2009 database, identifying 12,322 potential active components targeting the Mpro protease and 11,294 for the PLP inhibitor, with various herbs suggested as effective.
  • The findings emphasize the importance of combining empirical treatment protocols with ACE2 inhibitor research to enhance the application of selected candidate herbs during the COVID-19 pandemic.
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