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BACKGROUND: Ovarian cancer (OC) is found to be the third most common gynecologic malignancy over the world, having the highest mortality rate among such tumors. Emerging studies underscore the presence of microorganisms within tumor tissues, with certain pathogens intricately linked to disease onset and progression. Disruption of the microbiome frequently precipitates disturbances in host metabolic and immune pathways, thereby fostering the development of cancer. METHODS: In this study, we initiated the investigation by conducting microbial reannotation on the RNA sequencing data derived from ovarian cancer tissues. Subsequently, a comprehensive array of analyses on tissue microbes was executed. These analyses encompassed the assessment of intergroup variations in microbial diversity, differential microbiological analysis, exploration of the association between host gene expression and microbial abundance, as well as an enrichment analysis of functional pathways linked to host genes associated with microbes. RESULTS: The analysis results revealed that Proteobacteria, Actinobacteria, Firmicutes, and Bacteroidetes were the main components at phylum level in ovarian tissue. Notably, the microbial composition of ovarian cancer tissue significantly diverged from that of normal ovarian tissue e, exhibiting markedly lower alpha diversity and distinct beta diversity. Besides, pathogenic microorganisms Achromobacter xylosoxidans and Enterobacter hormaechei were enriched in cancer tissue. Host genes associated with these pathogens were enriched in key pathways including "JAK-STAT signaling pathway", "Transcriptional misregulation in cancer", and "Th1 and Th2 cell differentiation", suggesting their role in ovarian cancer progression through microbial dysbiosis and immune response interaction. CONCLUSION: Abundance of pathogenic microorganisms in ovarian cancer tissue could modulate the expression of host genes, consequently impacting cancer-related signaling pathways and fostering cancer progression.
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Microbiota , Neoplasias Ovarianas , Humanos , Feminino , Neoplasias Ovarianas/microbiologia , Neoplasias Ovarianas/genética , Progressão da DoençaRESUMO
Objective: To investigate the impact of comprehensive health education on insulin therapy outcomes in diabetic patients. Methods: A total of 130 diabetes mellitus patients admitted to our hospital between January 2020 and January 2023 were enrolled. We used a randomization method to divide participants into two groups, one of which received the "admission-discharge-home follow-up" comprehensive health education program and the other which did not. They were randomly divided into an observation group and a control group (65 patients in each). The control group received conventional education, while the observation group received additional one-stop health education involving "admission-discharge-family follow-up." Various parameters, including 2-hour postprandial blood glucose (2hPG), fasting plasma glucose (FPG), glycated hemoglobin (HbA1c), insulin injection compliance, insulin standard injection mastery, and quality of life (assessed using the Insulin Therapy Related Quality of Life Questionnaire, ITR-QOL-CV), were compared between the two groups. Results: The study's key findings highlight the significant effects of a comprehensive health education program on key outcomes such as improving insulin injection compliance, improving glycemic control, and improving quality of life in patients with diabetes. Before the intervention, 2hPG, FPG, and HbA1c levels were similar in both groups (P > .05). Following the intervention, these indicators decreased in both groups, with significantly lower levels observed in the observation group (P < .05). Insulin injection compliance was comparable between the groups before the intervention (P > .05), but it increased in both groups post-intervention, with higher compliance observed in the observation group (P < .05). Similarly, scores from the insulin standard injection mastery questionnaire and ITR-QOL-CV were enhanced in both groups after the intervention, with higher scores in the observation group compared to the control group (P < .05). Conclusion: The implementation of one-stop health education involving "admission-discharge-family follow-up" led to improved insulin injection effectiveness, blood glucose control, compliance, insulin standard injection mastery, and overall quality of life in diabetic patients. These significant improvements have important clinical implications for patients with diabetes, as more efficient and consistent use of insulin injections will help to better control blood sugar levels, reducing patients' symptoms and risk of complications. For health care providers, these findings underscore the importance of providing comprehensive health education programs to improve outcomes and overall care for patients with diabetes.
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Background: The Fangji Dihuang formulation (FJDHF) is a widely recognized Traditional Chinese Medicine (TCM) formula that consists of five plant drugs: Stephaniae Tetrandrae Radix, Cinnamomi Ramulus, Rehmanniae Radix, Saposhnikoviae Radix, and Glycyrrhiza Urensis Fisch. This formulation has been known to exhibit clinical therapeutic effects in the treatment of inflammatory skin diseases. However, there is a lack of pharmacological research on its anti-atopic dermatitis (AD) activity. Methods: To investigate the potential anti-AD activity of FJDHF, DNCB was used to induce AD-like skin inflammation in the back of mice. Following successful modeling, the mice were administered FJDHF orally. The extent of the inflammatory skin lesions was recorded at day 4, 7, 14 and 28. UHPLC-Q-Exactive Orbitrap MS was used to identify and match the compounds present in FJDHF with ITCM, TCMIP and TCMSID. In silico predictions of potential target proteins of the identified compounds were obtained from SwishTargetPrediction, ITCM and TargetNet databases. AD-related genes were identified from GSE32924 data set, and FJDHF anti-AD hub genes were identified by MCODE algorithm. ClueGo enrichment analysis was employed to identify the core pathway of FJDHF's anti-AD effect. To further investigate the anti-AD effect of FJDHF, single-cell RNA sequencing data set (GSE148196) from AD patients was analyzed to determine the target cells and signaling pathways of FJDHF in AD. Finally, rt-PCR, flow cytometry, and mouse back skin RNA sequencing were utilized to validate our findings. Results: FJDHF was found to be effective in improving the degree of the AD-like lesions in the mice. Network pharmacological analysis revealed the core pathway of FJDHF to be the IL-17 signaling pathway, which is interactively associated with cytokines. Single-cell RNA sequencing analysis suggested that FJDHF may play an anti-AD role by influencing dendritic cells. Flow cytometry and rt-PCR results showed that FJDHF can reduce the influence of AD sample of IL-4, IFN-γ and the expression of IL-17. The RNA sequencing of mouse back skin also confirmed our conclusion. Conclusion: FJDHF may inhibit DNCB-induced AD-like skin inflammation in mice by inhibiting the IL-17 signaling pathway. Thus, FJDHF can be considered as a potential therapeutic agent for AD.
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Sepsis is defined as "a life-threatening organ dysfunction caused by dysregulated host systemic inflammatory and immune response to infection." At present, sepsis continues to pose a grave healthcare concern worldwide. Despite the use of supportive measures in treating traditional sepsis, such as intravenous fluids, vasoactive substances, and oxygen plus antibiotics to eradicate harmful pathogens, there is an ongoing increase in both the morbidity and mortality associated with sepsis during clinical interventions. Therefore, it is urgent to design specific pharmacologic agents for the treatment of sepsis and convert them into a novel targeted treatment strategy. Herein, we provide an overview of the molecular mechanisms that may be involved in sepsis, such as the inflammatory response, immune dysfunction, complement deactivation, mitochondrial damage, and endoplasmic reticulum stress. Additionally, we highlight important targets involved in sepsis-related regulatory mechanisms, including GSDMD, HMGB1, STING, and SQSTM1, among others. We summarize the latest advancements in potential therapeutic drugs that specifically target these signaling pathways and paramount targets, covering both preclinical studies and clinical trials. In addition, this review provides a detailed description of the crosstalk and function between signaling pathways and vital targets, which provides more opportunities for the clinical development of new treatments for sepsis.
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BACKGROUND: Despite all modern advances in medicine, an effective drug for treating sepsis has yet to be found. The discovery of CMPK2 spurred hopes for the treatment of sepsis. However, CMPK2-untapped target inhibitors are still an enormous obstacle that has hindered the CMPK2-centric treatment of sepsis. METHODS: Here, we found that the CMPK2 gene is highly expressed in the whole blood of sepsis patients by RNA-Seq. First, recombinant CMPK2 was purified by a eukaryotic expression purification system, and the activity of recombinant CMPK2 was detected by the ADP-GLO assay. Second, we developed an affinity MS strategy combined with quantitative lysine reactivity profiling to discover CMPK2 ligands from the active ingredients of Chinese herbs. In addition, the dissociation constant Kd of the ligand and the target protein CMPK2 was further detected by microscale thermophoresis technology. Third, we used this strategy to identify a naturally sourced small molecule, dracorhodin (DP). Using mass spectrometry-based quantitative lysine reactivity profiling combined with a series of mutant tests, the results show that K265 acts as a bright hotspot of DP inhibition of CMPK2. Fourth, immune-histochemical staining, ELISAs, RT-qPCR, flow cytometry and immunoblotting were used to illustrate the potential function and related mechanism of DP in regulating sepsis injury. RESULTS: Our results suggest that DP exerts powerful anti-inflammatory effects by regulating the NLRP3 inflammasome via the lipopolysaccharide (LPS)-induced CMPK2 pathway. Strikingly, DP significantly attenuated LPS-induced sepsis in a mouse model, but its effect was weakened in mice with myeloid-specific Cmpk2 ablation. CONCLUSION: We provide a new framework that provides more valuable information for new therapeutic approaches to sepsis, including the establishment of screening strategies and the development of target drugs to provide a theoretical basis for ultimately improving clinical outcomes for sepsis patients. Collectively, these findings reveal that DP is a promising CMPK2 inhibitor for the treatment of sepsis.
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Lipopolissacarídeos , Sepse , Humanos , Animais , Camundongos , Lisina , Inflamação/tratamento farmacológico , Sepse/tratamento farmacológico , Sepse/metabolismoRESUMO
The peroxiredoxin (PRDX) family is a class of antioxidant enzymes with peroxidase activity. Human PRDXs currently have six members (PRDX1-6), which are gradually becoming potential therapeutic targets for major diseases such as cancer. In this study, we reported ainsliadimer A (AIN), a sesquiterpene lactone dimer with antitumor activity. We found that AIN directly targets Cys173 of PRDX1 and Cys172 of PRDX2 and then inhibits their peroxidase activities. As a result, the level of intracellular ROS increases, causing oxidative stress damage in mitochondria, inhibiting mitochondrial respiration, and significantly inhibiting ATP production. AIN inhibits the proliferation and induces apoptosis of colorectal cancer cells. Additionally, it inhibits tumor growth in mice and the growth of tumor organoid models. Therefore, AIN can be one of the natural compounds targeting PRDX1 and PRDX2 in the treatment of colorectal cancer.
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Neoplasias Colorretais , Peroxirredoxinas , Animais , Humanos , Camundongos , Antioxidantes , Apoptose , Neoplasias Colorretais/tratamento farmacológico , Neoplasias Colorretais/patologia , Espécies Reativas de OxigênioRESUMO
A simple, sensitive and efficient solid-phase extraction method, combined with ultrahigh-performance liquid chromatography-charged aerosol detection, was applied to the pre-concentration and determination of four triterpenoid saponins from Pulsatilla chinensis (P. chinensis) ultrasound extract samples. Mesoporous molecular sieve Santa Barbara Amorphous 15 (SBA-15) displayed higher selectivity compared to Mobil Composition of Matter 41 (MCM-41), NH2-SBA-15 and mesoporous carbon when it comes to being used in pretreatment methods. It was applied as an effective sorbent in the SPE for the enrichment of the target analytes. Additionally, several key experimental parameters including the kinds of sorbents, the amount of SBA-15, the elute pH and types of elution solvent were investigated in detail. Under the optimized conditions, the satisfactory linearity (r2 ≥ 0.9940) was acquired and the limits of detection reached 0.461-0.976 µg/mL for the target analytes. The recoveries ranged from 95.1%-103.2%. The experimental results showed that SBA-15 was a candidate material for the purification and concentration of target triterpenoid saponins from complex P. chinensis samples. The study provided theoretical support for the application of mesoporous materials in the field of drug separation and provided references for the extraction and determination of trace compounds in the complex systems of traditional Chinese medicine.
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Pulsatilla , Saponinas , Triterpenos , Aerossóis , Cromatografia Líquida de Alta Pressão , Cromatografia Líquida , Limite de Detecção , Extração em Fase SólidaRESUMO
Screening diagnostic biomarkers can be challenging due to the complexity of traditional Chinese medicine (TCM) and ambiguous pharmacological mechanisms. In this study, we reported an integrated strategy for accurately screening diagnostic biomarkers based on metabolomics coupled with network pharmacology. First, a feasible pharmacological model was established through systems pharmacology and based on metabolomics-based techniques to explore diagnostic biomarkers. While the components satisfying the q-value < 0.05, fold change (FC) ≥ 1.2 or FC ≤ 0.8, coefficient of variance (CV) ≤ 30%(QC) and the variable importance in the project (VIP) value > 1 are considered to be diagnostic biomarkers. Second, the ingredients were retained only when oral bioavailability (OB), Caco-2 permeability, drug half-life, TPSA and drug likeness (DL) satisfied the criteria (OB ≥ 40%; Caco-2 ≥ -0.4; HL ≥ 4 h; TPSAË140; DL ≥ 0.18) suggested by the TCMSP database. Moreover, ingredients that exhibit extensive biological activity in TCM are also retained. Third, the effect targets of TCM were screened using the TCMSP database, Swiss Target Prediction and STICH online software. Disease targets were gathered from the therapeutic target database (TTD), PharmGkb and TCMSP database. Hub genes were screened by potential protein-protein interaction (PPI) network pharmacology analysis. Finally, a metabolic network pathway is established between the diagnostic biomarker and the hub gene. In the network analysis of metabolic pathways, most of the genes involved in this pathway are the second-step-obtained hub genes, which can explain the accuracy of the identified biomarkers. The proposed integrated strategy was successfully applied to explore the mechanism of action of Pulsatilla decoction (PD) in the treatment of acute ulcerative colitis (UC). Based on this integrated strategy, 23 potential biomarkers of acute UC treated with PD were identified. In conclusion, the integrated strategy provides novel insights into network pharmacology and metabolomics as effective tools to illuminate the mechanism of action of TCM.
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Colite Ulcerativa/tratamento farmacológico , Coptis , Fraxinus , Phellodendron , Preparações de Plantas/uso terapêutico , Pulsatilla , Animais , Biomarcadores/metabolismo , Células CACO-2 , Colite Ulcerativa/metabolismo , Colite Ulcerativa/patologia , Colo/efeitos dos fármacos , Colo/metabolismo , Colo/patologia , Fezes/química , Humanos , Masculino , Medicina Tradicional Chinesa , Metabolômica , Camundongos Endogâmicos BALB C , Farmacologia/métodos , Fitoterapia , Preparações de Plantas/farmacologiaRESUMO
INTRODUCTION: Hederacoside C (HDC) is a bioactive natural triterpenoid saponins constituent originating from traditional Chinese medicines, playing an important role in the treatment of acute respiratory infections and chronic inflammatory bronchitis. Meanwhile, it is recognised by Korea as a botanical drug. OBJECTIVES: In order to develop an integrated template approach to analysing screening and identification of the metabolites of traditional Chinese medicines. This study will provide available information for further pharmaceutical studies of HDC and other triterpene saponins. METHODOLOGY: An analysis strategy based on ultrahigh-performance liquid chromatography quadrupole Orbitrap mass spectrometry (UHPLC-Q-Orbitrap-MS) technique combined with automatic fragment ion search (FISh) was firstly exploited for the characterisation metabolites of HDC in vivo and in vitro. Accurate full mass scan combined with an on-line FISh annotations approach was developed to rapidly identify all the potential metabolites of HDC. Furthermore, FISh accurately located the structure of the target compound in a large number of mass spectral data. RESULTS: A total of 34 metabolites were detected and tentatively identified by analysing comprehensive biological samples. The results clearly demonstrated that HDC underwent general metabolic reactions including dealkylation, reduction, oxidation, desaturation, dehydration, cysteine conjugation, GSH conjugation, taurine conjugation, and glycine conjugation to produce 26 phase I and eight phase II metabolites. CONCLUSION: In the present study, UHPLC-Q-Exactive Orbitrap MS technique combined with FISh provided a rapid and efficient platform to characterise metabolites of HDC in vivo and in vitro. The proposed method could develop an integrated template approach to screen and identify the constituents and metabolites of traditional Chinese medicines.
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Ácido Oleanólico , Animais , Cromatografia Líquida de Alta Pressão , Cromatografia Líquida , Espectrometria de Massas , Ácido Oleanólico/análogos & derivadosRESUMO
Lung adenocarcinoma is the most common histologic subtype of lung cancer. The aim of the present study was to assess the expression of hepatoma-derived growth factor (HDGF) and protein kinase Cα (PRKCA) in lung adenocarcinoma (LADC), and to determine the association between the combined expression of these two proteins and clinicopathological characteristics of patients with LADC. The expression of HDGF and PRKCA mRNA was assessed by GEO database analysis, and HDGF and PRKCA protein levels were examined by immunohistochemistry using a tissue microarray. High HDGF and PRKCA expression was observed in LADC tissue compared to normal samples, and increased HDGF and PRKCA expression was associated with AJCC clinical stage, tumor classification, node classification, and lymph node metastasis. GEO database analysis revealed no significant differences between HDGF mRNA and PRKCA mRNA in LADC tissue. However, high PRKCA protein expression was associated with high HDGF protein expression, and patients with high HDGF and PRKCA expression exhibited poorer overall survival rates than patients with low expression levels of the two proteins. The results of the present study suggest that upregulation of both HDGF and PRKCA may be an unfavourable factor for lung adenocarcinoma progression.
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Betulin, as a new type of natural food preservative, is widely used in various kinds of meat products. However, its detailed mechanism of action and metabolism have not been clarified. In this study, for further gain insight of the mechanism of betulin as a preservative, an efficient method has been applied for measuring the antioxidant capacity of betulin, based on the absorbance of the DPPH⢠and ABTS⢠radical cation. When the concentration of betulin was more than 2.0â¯mg/mL, the scavenging rate of ABTS and DPPH radical reached over 90%, which was equivalent to the antioxidant capacity of Trolox. It is indicated that betulin has significant DPPH and ABTS free radical scavenging ability. This should be one of the important mechanisms for betulin as a preservative. A sensitive method using UHPLC-Q-TOF-MS/MS was established to determine the metabolite profile in vivo and in vitro of betulin. 32 phase I and 2 phase II metabolites were structurally characterized. This study will provide theoretical support for the safety and effectiveness of betulin in the field of preservatives and provide theoretical basis for the further study of betulin and the other natural preservatives. This research also contributes to the development of the food industry.
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Antioxidantes/análise , Triterpenos/análise , Cromatografia Líquida de Alta Pressão , Radicais Livres/química , Espectrometria de Massas em TandemRESUMO
Pulsatilla Adans (PSA) herbs (Ranunculaceae) have been widely used in traditional medicine in China and other countries. However, the authentication and quality control of PSA herbs have always been a challenging task due to their similar morphological characteristics and the diversity of the multiple components that exist in the complicated matrix. Herein, a novel integrated strategy combining UHPLC/Q-Orbitrap-MS techniques with chemometrics analysis is proposed for the discrimination of PSA materials. We developed a comprehensive method integrating a nontargeted bidirectionally screened (NTBDS) MS data set and a targeted extraction peak area analysis for the characterization of triterpenoid saponins of PSA from different species. After that, partial least-squares discriminant analysis (PLS-DA) was performed on the obtained MS data set and the parameter variable importance for the projection (VIP) value and P value were employed to screen the valuable MS features to discriminate PSA from different species. In addition, the receiver operating characteristic (ROC) curve is used to verify the reliability of MS features. Finally, heatmap visualization was employed to clarify the distribution of the identified triterpenoid saponins, and four medicinal species of PSA were successfully differentiated. Additionally, 34 constituents were reported in PSAs for the first time, 81 triterpenoid saponins were identified as differential components, and 12 chemical ingredients were characterized as potential chemical markers to differentiate the four officinal PSA herbs. This is the first time that the differences in different PSA herbs have been observed systematically at the chemical level. The results suggested that using the identified characteristic components as chemical markers to identify different PSA herbs was effective and viable. This method provides promising perspectives in the analysis and identification of the ingredients of Chinese herbal medicines, and the identification of similar herbs from the same species.
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Metabolômica/métodos , Pulsatilla/química , Saponinas/análise , Triterpenos/análise , Cromatografia Líquida de Alta Pressão/métodos , Análise dos Mínimos Quadrados , Espectrometria de Massas/métodos , Pulsatilla/metabolismo , Curva ROC , Saponinas/metabolismo , Triterpenos/metabolismoRESUMO
Betulinic acid is a triterpenoid organic acid with remarkable antitumor properties and is naturally present in many fruits, condiments and traditional Chinese medicines. Currently, a strategy was developed for the identification of metabolites following the in vivo and in vitro biotransformation of Betulinic acid with rat intestinal bacteria utilizing ultra high performance liquid chromatography with time-of-flight mass spectrometry with polymeric solid-phase extraction. As a result, 46 metabolites were structurally characterized. The results demonstrated that Betulinic acid is universally metabolized in vivo and in vitro, and Betulinic acid could undergo general metabolic reactions, including oxidation, methylation, desaturation, loss of O and loss of CH2 . Additionally, the main metabolic pathways in vivo and in vitro were determined by calculating the relative content of each metabolite. This is the first study of Betulinic acid metabolism in vivo, whose results provide novel and useful data for better understanding of the safety and efficacy of Betulinic acid.
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Triterpenos/análise , Administração Oral , Animais , Biotransformação , Cromatografia Líquida de Alta Pressão , Medicamentos de Ervas Chinesas/química , Fezes/química , Frutas/química , Masculino , Espectrometria de Massas , Medicina Tradicional Chinesa , Conformação Molecular , Triterpenos Pentacíclicos , Ratos , Ratos Sprague-Dawley , Fatores de Tempo , Triterpenos/metabolismo , Triterpenos/farmacocinética , Ácido BetulínicoRESUMO
Betulin is an active natural pentacyclic triterpene ingredient with valuable anti-cancer and anti-HIV efficacies. In the present study, an efficient approach was developed to screening and identification of metabolites and to assess the metabolic profiles of betulin in vivo using UHPLC-Q-TOF-MS/MS system based on multiple mass defect filter data acquisition (MMDF) and multiple data processing techniques. Based on the proposed method, 56 phase I and 6 phase II metabolites were detected in rats after oral administration of betulin. The main biotransformation routes of betulin were identified as demethylation, dehydroxylation, deoxidization, dehydration. Conjugation with sulfate, taurine, cysteine and N-acetylcysteine groups produced 6 phase II metabolites. This study not only provided useful information for further study of the pharmacology and mechanism of betulin in vivo, but also provided essential data for further pharmaceutical studies of other pentacyclic triterpenes.
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Metaboloma , Triterpenos/metabolismo , Triterpenos/farmacocinética , Administração Oral , Animais , Bile/química , Biotransformação , Cromatografia Líquida de Alta Pressão , Masculino , Estrutura Molecular , Plasma/química , Ratos , Ratos Sprague-Dawley , Espectrometria de Massas em Tandem , Urina/químicaRESUMO
INTRODUCTION: Triterpenoid saponins are the major bioactive constituents of Pulsatilla chinensis, playing an important role in various biological activities such as anti-tumour, cognition-enhancing, anti-biosis, anti-inflammatory, hypoglycemic and immunological adjuvant. OBJECTIVE: To establish a systematic strategy based on ultra-high-performance liquid chromatography-quadrupole time-of-flight tandem mass spectrometry (UPLC-Q-TOF-MS/MS) for the efficient characterisation and identification of triterpenoid saponins in crude extracts from Pulsatilla chinensis. METHODOLOGY: In this work, the strategy includes two aspects: (1) positive mode: by target screening, we can deduce the aglycone type and the composition of sugar moiety according to the fragment ions; untargeted screening includes four steps, find unknown, formula finder, ChemSpider search and MS/MS identification; (2) negative mode: according to the MS/MS spectra, the composition of sugar chain bonded to C-28 is inferred reasonably. The extract of Pulsatilla chinensis was separated within 60 min on a C18 column and eluted with methanol and water both containing 0.1% formic acid. RESULTS: As a result, a total of 22 triterpenoid saponins (11 pairs of isomers) with four aglycone skeletons were tentatively identified or elucidated in crude extracts from Pulsatilla chinensis based on their retention times, the mass spectrometric fragmentation patterns, and MS and MS/MS data. CONCLUSION: This study provides an efficient analysis strategy to rapidly identify the triterpenoid saponins in Pulsatilla species even in traditional Chinese medicines.