RESUMO
Background: The purpose of this study was to evaluate the impact of glucose levels on admission, on the risk of 30-day major adverse cardiovascular events (MACEs) in patients with acute myocardial infarction (AMI), and to assess the difference in outcome between ST-segment elevation myocardial infarction (STEMI) and non-ST-segment elevation myocardial infarction (NSTEMI) patients. Methods: This study was a post hoc analysis of the Acute Coronary Syndrome Quality Improvement in Kerala Study, and 13,398 participants were included in the final analysis. Logistic regression models were used to assess the association between glucose levels on admission and the risk of 30-day MACEs, adjusting for potential confounders. Results: Participants were divided according to the glucose quintiles. There was a positive linear association between glucose levels at admission and the risk of 30-day MACEs in AMI patients [adjusted OR (95% CI): 1.05 (1.03, 1.07), p < 0.001]. Compared to participants with an admission glucose between 5.4 and 6.3 mmol/L, participants with the highest quintile of glucose level ( ≥ 10.7 mmol/L) were associated with increased risk of 30-day MACEs in the fully adjusted logistic regression model [adjusted OR (95% CI): 1.82 (1.33, 2.50), p < 0.001]. This trend was more significant in patients with STEMI (p for interaction = 0.036). Conclusions: In patients with AMI, elevated glucose on admission was associated with an increased risk of 30-day MACEs, but only in patients with STEMI.
RESUMO
BACKGROUND: Psoriasis is an immune-mediated skin disease, closely related to immune regulation. The aim was to understand the pathogenesis of psoriasis further, reveal potential therapeutic targets, and provide new clues for its diagnosis, treatment, and prevention. MATERIALS AND METHODS: Expression profiling data were obtained from the Gene Expression Omnibus (GEO) database for skin tissues from healthy population and psoriasis patients. Differentially expressed genes (DEGs) were selected for Gene Ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG), and Gene Set Enrichment Analysis (GSEA) analysis separately. Machine learning algorithms were used to obtain characteristic genes closely associated with psoriasis. Receiver operating characteristic (ROC) curve was used to assess the diagnostic value of the characteristic genes for psoriasis. The Cell-type Identification by Estimating Relative Subsets of RNA Transcripts (CIBERSORT) algorithm was used to calculate the proportion of immune cell infiltration. Correlation analysis was used to characterize the connection between gene expression and immune cell, Psoriasis Area and Severity Index (PASI). RESULTS: A total of 254 DEGs were identified in the psoriasis group, including 185 upregulated and 69 downregulated genes. GO was mainly enriched in cytokine-mediated signaling pathway, response to virus, and cytokine activity. KEGG was mainly focused on cytokine-cytokine receptor interaction and IL-17 signaling pathway. GSEA was mainly in chemokine signaling pathway and cytokine-cytokine receptor interaction. The machine learning algorithm screened nine characteristic genes C10orf99, GDA, FCHSD1, C12orf56, S100A7, INA, CHRNA9, IFI44, and CXCL9. In the validation set, the expressions of these nine genes increased in the psoriasis group, and the AUC values were all > 0.9, consistent with those of the training set. The immune infiltration results showed increased proportions of macrophages, T cells, and neutrophils in the psoriasis group. The characteristic genes were positively or negatively correlated to varying degrees with T cells and macrophages. Nine characteristic genes were highly expressed in the moderate to severe psoriasis group and positively correlated with PASI scores. CONCLUSION: High levels of nine characteristic genes C10orf99, GDA, FCHSD1, C12orf56, S100A7, INA, CHRNA9, IFI44, and CXCL9 were risk factors for psoriasis, the differential expression of which was related to the regulation of immune system activity and PASI scores, affecting the proportions of different immune cells and promoting the occurrence and development of psoriasis.
Assuntos
Perfilação da Expressão Gênica , Psoríase , Psoríase/genética , Psoríase/imunologia , Humanos , Aprendizado de Máquina , Pele/imunologia , Pele/patologia , Bases de Dados Genéticas , Transcriptoma/genéticaRESUMO
Preventing the progression of gastric precancerous lesions (GPLs) can reduce the morbidity and mortality of gastric cancer (GC). The preventive effect of a plant-based diet on cancers has been widely recognised. In this case-control study, 1,130 subjects were included using 1:1 propensity score matching for age and sex. Dietary habits, anthropometry and sample collection were conducted using standard and effective methods. Plant-based diet indices (PDIs) were calculated using a previously reported method. Faecal samples were analysed by untargeted metabolomics. Our study found that adherence to a healthy plant-based diet was inversely associated with the occurrence of GPLs. Metabolomic analysis identified six different metabolites correlated with GPLs, among which luteolin-related metabolites may be used as biomarkers of the association between PDIs and GPLs. In addition, the difference in N-acyl amides found in PDIs needs further verification. Our findings suggest that a healthy plant-based diet may have a protective effect against GPLs.
Assuntos
Padrões Dietéticos , Lesões Pré-Cancerosas , Humanos , Estudos de Casos e Controles , Dieta Baseada em Plantas , Dieta , Lesões Pré-Cancerosas/prevenção & controle , Lesões Pré-Cancerosas/patologia , Metabolômica/métodosRESUMO
Gastric cancer is the third leading cause of cancer death, and gastric precancerous lesions (GPLs) are an important stage in the transformation of normal gastric mucosa to gastric cancer. Matched for age and sex, a total of 316 subjects were eventually included from our prospective observation population (including 1007 patients with GPLs and 762 normal controls), and a questionnaire survey was conducted. In total, 10 plasma elements (iron, copper, zinc, selenium, rubidium, strontium, titanium, aluminum, vanadium and arsenic) were measured by applying inductively coupled plasmaâmass spectrometry (ICPâMS). A multivariate conditional logistic regression model and Bayesian kernel logistic regression model (BKMR) were used to analyze the association between plasma element concentrations and GPLs. In the multimetal model, plasma titanium concentrations were significantly and positively associated with the prevalence of GPLs, with a fourth-quartile OR of 11.56 ([95% CI]: [2.78-48.13]). Plasma selenium and copper were negatively correlated with GPLs, with the highest quartiles of selenium and copper having an OR of 0.03 ([95% CI]: [0.01-0.15]; P < 0.001) and 0.24 ([95% CI]: [0.07-0.82]), respectively. In the BKMR model, there was a significant negative combined correlation of five metals on GPLs: iron, copper, zinc, selenium, and titanium. The results of this study showed that plasma concentrations of selenium and copper were negatively correlated with GPLs, while plasma concentrations of titanium were positively correlated with GPLs, and the combined action of the five elements was negatively correlated with GPLs.
Assuntos
Selênio , Neoplasias Gástricas , Oligoelementos , Humanos , Cobre , Zinco , Ferro , Titânio , Neoplasias Gástricas/prevenção & controle , Teorema de Bayes , Estudos Prospectivos , VanádioRESUMO
Biological organisms are exposed to low-dose arsenic or N-nitro compounds (NOCs) alone or in combination worldwide, especially in areas with high cancer prevalence through drinking water or food exposure; however, information on their combined exposure effects is limited. Here, we conducted an in-depth study of the effects on the gut microbiota, metabolomics, and signaling pathways using rat models exposed to arsenic or N-methyl-N'-nitro-N-nitrosoguanidine (MNNG), one of the most active carcinogenic NOCs, separately or in combination with metabolomics and high-throughput sequencing. Compared to exposure alone, combined exposure to arsenic and MNNG exacerbated damage to gastric tissue morphology, interfered with intestinal microflora and substance metabolism, and exerted a stronger carcinogenic effect. This may be related to intestinal microbiota disorders, including Dyella, Oscillibacter, Myroides, and metabolic pathways such as glycine, serine, and threonine metabolism, arginine biosynthesis, central carbon metabolism in cancer, and purine and pyrimidine metabolism, thereby enhancing the cancer-causing effects of gonadotrophin-releasing hormone (GnRH), P53, and Wnt signaling pathways.
Assuntos
Arsênio , Microbioma Gastrointestinal , Neoplasias Gástricas , Ratos , Animais , Metilnitronitrosoguanidina/toxicidade , Arsênio/toxicidade , MetabolomaRESUMO
OBJECTIVE: This study aimed to observe the impact of the coronavirus disease 2019 (COVID-19) pandemic on the incidence of non-COVID-19 community-acquired pneumonia (CAP) in Shenzhen of China, offering new ideas for evaluating the effects of non-pharmaceutical interventions. METHODS: A retrospective analysis was conducted of inpatients with pneumonia from 2017 to 2021. Epidemiological characteristics of CAP and effects from the COVID-19 pandemic were analyzed by the basic characteristics, time distribution, etiology and disease burden. RESULTS: There were a total of 5746 CAP inpatient cases included from 2017 to 2021. The number of CAP hospitalizations decreased during the pandemic from 2020 to 2021, with seasonal variations of being higher in spring and winter and lower in summer and autumn, whereas it was prevalent throughout the year prior to the pandemic. The children group decreased significantly during the pandemic, with a 15% decrease in the share of CAP inpatients. The detection rates of bacteria and mycoplasma decreased in CAP patients, while the detection rate of the virus increased, and the number of moderate and severe cases reduced more than that of the mild. CONCLUSION: Non-pharmaceutical interventions from COVID-19 have led to a decrease in the number of CAP inpatients, especially for children, with a specific seasonal prevalence in spring and winter, when the prevention interventions should be strengthened further for adults during the pandemic.
Assuntos
COVID-19 , Infecções Comunitárias Adquiridas , Pneumonia , Criança , Adulto , Humanos , COVID-19/epidemiologia , Pandemias , Estudos Retrospectivos , Pneumonia/epidemiologia , Pneumonia/microbiologia , Infecções Comunitárias Adquiridas/epidemiologia , Infecções Comunitárias Adquiridas/microbiologia , China/epidemiologiaRESUMO
Alzheimer's disease (AD) is one of the most common forms of dementia, closely related to epigenetic factors. N6-methyladenosine (m6A) is the most abundant RNA modification, affecting the pathogenesis and development of neurodegenerative diseases. This study was the first exploration of the combined role of 25 common m6A RNA methylation regulators in AD through the integrated bioinformatics approaches. The 14 m6A regulators related to AD were selected by analyzing differences between AD patients and normal controls. Based on the selected m6A regulators, AD patients could be well classified into two m6A models using consensus clustering. The two clusters of patients had different immune profiles, and m6A regulators were associated with the components of immune cells. Additionally, there were 19 key AD genes obtained by screening differential genes through weighted gene co-expression network and least absolute shrinkage and selection operator regression analysis, which were highly associated with important m6A regulators during the occurrence of AD. More interestingly, NOTCH2 and NME1 could be potential targets for m6A regulation of AD. Taken together, these findings indicate that dysregulation of m6A methylation affects the occurrence of AD and is vital for the subtype classification and immune infiltration of AD.
Assuntos
Doença de Alzheimer , Adenosina/metabolismo , Doença de Alzheimer/genética , Biologia Computacional , Humanos , Metilação , RNA/genética , RNA/metabolismoRESUMO
C1q-tumor necrosis factor-related protein-9 (CTRP9) is an important adipocytokine that is closely associated with cardiovascular disease. This study aimed to detect CTRP9 expression in hypertensive patients and mice and to analyze its effects on hypertension-related atherogenesis. First, circulating CTRP9 levels were detected in both nonhypertensive subjects and hypertensive patients. The results showed that plasma CTRP9 levels were increased in hypertension patients compared with control subjects and gradually elevated in the Grade I, Grade II, and Grade III groups. While nondipper state did not affect CTRP9 expression in hypertension patients. Hypertension patients with carotid atherosclerotic plaque (CAP) exhibited higher CTRP9 levels and the high CTRP9 group exhibited significantly higher CAP morbidity, CTRP9 levels were positively correlated with the occurrence of CAP. Then, effects of CTRP9 on angiotensin II (Ang II)-induced endothelial dysfunction were analyzed in vitro, and the results exhibited that treatment with Ang II significantly increased CTRP9 mRNA expression in endothelial cells (ECs), and downregulation of CTRP9 expression aggravated Ang II-induced endothelial dysfunction in ECs. Mice were infused with Ang II, and CTRP9 was also increased in Ang II-infused mice and mainly secreted by ECs. In Ang II-infused ApoE-/- mice, treatment with recombinant CTRP9 significantly reduced atherosclerotic area and alleviated endothelial dysfunction. In conclusion, our results may found that CTRP9 delayed the progression of hypertension-related arteriosclerosis by alleviating endothelial dysfunction.
Assuntos
Adiponectina/metabolismo , Aterosclerose/metabolismo , Hipertensão/metabolismo , Adipocinas/metabolismo , Adiponectina/sangue , Adiponectina/genética , Adulto , Idoso , Angiotensina II/metabolismo , Angiotensina II/farmacologia , Animais , Aterosclerose/genética , Aterosclerose/patologia , Doenças das Artérias Carótidas/genética , Complemento C1q/genética , Complemento C1q/metabolismo , Células Endoteliais/metabolismo , Feminino , Glicoproteínas/sangue , Glicoproteínas/genética , Glicoproteínas/metabolismo , Humanos , Hipertensão/genética , Hipertensão/fisiopatologia , Masculino , Camundongos , Camundongos Endogâmicos C57BL , Pessoa de Meia-IdadeRESUMO
AIM: To investigate the effectiveness of metformin in delaying or preventing progression to diabetes in a Chinese population with impaired glucose regulation (IGR). MATERIALS AND METHODS: This multicentre, randomized, open-label, controlled study (NCT03441750) will assess the efficacy of metformin in preventing diabetes over ≥2 years. Eligible participants will be randomly assigned (1:1) to lifestyle intervention (LSI) or metformin plus LSI, with stratification based on blood pressure, anti-hypertensive medication use and isolated/non-isolated impaired fasting glucose. All participants will receive LSI advice. Participants in the metformin plus LSI group will receive metformin 850 mg once daily for the first 2 weeks, and twice daily thereafter, according to tolerability. RESULTS: The primary objective is to compare rates of newly diagnosed diabetes in the two intervention groups. Changes in glycaemia, blood pressure, body weight, insulin resistance, and safety outcomes will also be evaluated. CONCLUSIONS: This large clinical trial in a Chinese population with IGR aims to provide critical information to guide clinical decision-making in order to alleviate the current diabetes epidemic.
Assuntos
Diabetes Mellitus Tipo 2/prevenção & controle , Intolerância à Glucose/tratamento farmacológico , Metformina/uso terapêutico , Estado Pré-Diabético/tratamento farmacológico , Adolescente , Adulto , Idoso , China , Feminino , Intolerância à Glucose/patologia , Humanos , Masculino , Pessoa de Meia-Idade , Estado Pré-Diabético/patologia , Resultado do Tratamento , Adulto JovemRESUMO
Multiterritorial atherosclerosis has dramatically increased annual risk of adverse cardiovascular events than atherosclerotic disease with single-artery affected. Serum uric acid (SUA) is an important predictor of stroke and atherosclerosis; however, which is supported by few direct evidence based on cohort studies. A prospective cohort study including 2644 North Chinese adults aged ≥40 years was performed in 2010-2012 to investigate the association between SUA and multiterritorial vascular stenosis. Hyperuricaemia was defined as SUA levels >6 and >7 mg/dL for males and females, respectively. All participants underwent twice transcranial Doppler (TCD) and bilateral carotid duplex ultrasound to evaluate intracranial artery stenosis (ICAS) and extracranial arterial stenosis (ECAS) and peripheral arterial disease (PAD) was determined by ankle-brachial index (ABI) on January 2010 and January 2012 based on regular health check-ups. The cumulative incidence of vascular stenosis was significantly higher in subjects with hyperuricaemia than in those without hyperuricaemia (54.1% vs. 34.7%, P < 0.001). The adjusted odds ratios (ORs) with 95% confidence intervals (CIs) for new on-set vascular stenosis due to hyperuricaemia and a 1-mg/dL change in SUA level were 1.75 (1.32-2.31) and 1.29 (1.21-1.38), respectively. Furthermore, in the gender-stratified analysis, the association between SUA levels and ICAS was statistically significant in males (OR: 2.02; 95% CI: 1.18-3.46), but not females (OR: 0.85, 95% CI: 0.41-1.76, P for interaction: 0.026).
Assuntos
Artérias/patologia , Aterosclerose/sangue , Ácido Úrico/sangue , Adulto , Povo Asiático , Aterosclerose/fisiopatologia , Estudos de Coortes , Constrição Patológica/sangue , Constrição Patológica/fisiopatologia , Feminino , Humanos , Hiperuricemia/sangue , Hiperuricemia/fisiopatologia , Masculino , Pessoa de Meia-Idade , Razão de Chances , Doença Arterial Periférica/fisiopatologia , Estudos Prospectivos , Fatores de TempoRESUMO
BACKGROUND/AIMS: Kidney function is critical for homocysteine (Hcy) clearance, and plasma Hcy levels are frequently increased in patients with renal failure. Microalbuminuria (MAU) is an important marker of early renal damage caused by hypertension. At present, there is insufficient evidence on the relationship between Hcy and microalbuminuria. METHODS: This is a 1: 2 matched, hospital-based case-control study. At initial visit, out of 1535 outpatients with no prior history of medication, 450 qualified subjects were selected based on inclusion and exclusion criteria. The concentration of Hcy in the serum was evaluated using a cyclic enzyme method. MAU was defined by a urine albumin/creatinine ratio (UACR) between 30 µg/mg and 300 µg/mg. RESULTS: A total of 450 patients were included in this study (150 in the MAU group and 300 in the non-MAU group). The MAU group had higher mean systolic blood pressure (SBP), mean diastolic blood pressure (DBP), heart rate (HR) and plasma Hcy levels than did the non-MAU group. The area under the receiver operating characteristics (ROC) curves was 0.772 (95% CI: 0.724-0.819, P < 0.001) with a cut-off value of 15.0, and the sensitivity and specificity of Hcy in predicting the MAU status in hypertensive patients were 49.3% and 92.3%, respectively. Multiple logistic regression modelling suggested that patients with a higher Hcy level (> 15 µmol/L) were more likely to have MAU (95% CI: 5.650-16.543, P < 0.001). The other predictive factor for MAU was 24-h mean SBP (95% CI: 0.941-0.993, P = 0.015). CONCLUSION: This matched case-control study indicates that Hcy may increase the susceptibility of essential hypertensive subjects to MAU.
Assuntos
Albuminúria/diagnóstico , Hipertensão Essencial/complicações , Homocisteína/sangue , Adulto , Idoso , Albuminúria/etiologia , Albuminúria/urina , Pressão Sanguínea , Estudos de Casos e Controles , Creatina/urina , Suscetibilidade a Doenças , Feminino , Frequência Cardíaca , Humanos , Masculino , Pessoa de Meia-Idade , Fatores de Risco , Albumina Sérica Humana/urinaRESUMO
The G-quadruplexes located in the P1 promoter of B-cell lymphoma-2 (Bcl-2) gene are implicated to regulate Bcl-2 expression. Here, we designed a new pyridostatin analog named PDF, which exhibited high specificity and stabilizing effect toward G-quadruplexes. The luciferase assay demonstrated that PDF could significantly suppress Bcl-2 transcriptional activation in human laryngeal squamous carcinoma cells (Hep-2) cells. Besides, PDF also induced cell apoptosis in vitro assays. These results provide an excellent G-quadruplex specific ligand as an efficient Bcl-2 inhibitor. These results also implicate that PDF may be a potential anticancer drug to head neck cancer.
Assuntos
Aminoquinolinas/química , Aminoquinolinas/farmacologia , Antineoplásicos/química , Antineoplásicos/farmacologia , Regulação para Baixo/efeitos dos fármacos , Quadruplex G/efeitos dos fármacos , Ácidos Picolínicos/química , Ácidos Picolínicos/farmacologia , Proteínas Proto-Oncogênicas c-bcl-2/genética , Carcinoma de Células Escamosas/tratamento farmacológico , Carcinoma de Células Escamosas/genética , Carcinoma de Células Escamosas/patologia , Linhagem Celular Tumoral , DNA/genética , Humanos , Neoplasias Laríngeas/tratamento farmacológico , Neoplasias Laríngeas/genética , Neoplasias Laríngeas/patologia , Laringe/efeitos dos fármacos , Laringe/metabolismo , Laringe/patologia , Ativação Transcricional/efeitos dos fármacosRESUMO
BACKGROUND: Rheumatoid factor (RF) can interfere both positively and negatively in immunoassays. It remains unclear whether the negative interference is an exceptional phenomenon or a denominator of immunoassays and which RF subgroup plays a key role in its causation. METHODS: Serum models comprising hepatitis B envelope antigen (HBeAg) and RF were made by blending HBeAg-positive sera and RF-positive sera at a ratio of 1:9. Paramagnetic microparticles coated with P human chorionic gonadotropin (betaHCG)-anti-betaHCG complexes were used to remove RFs from the models, and HBeAg was determined in models using the chemiluminescent microparticle immunoassay (CMIA). RESULTS: HBeAg sample/cutoff (S/CO) relative light units (RLUs) measured in 27.06% of the serum models were significantly lower than those in the control models with a maximum decline rate of > 70.00%. The discrepancies between the HBeAg S/CO RLUs measured in serum and control models were not associated with the serum RF levels when these ranged from 20 to 1510 IU/mL. Pretreatment of the serum models with the paramagnetic microparticles increased the HBeAg S/CO RLUs measured and decreased the immunoglobulin (Ig) A-RF and IgG-RF levels significantly. However, the discrepancies between the HBeAg S/CO RLUs measured in serum models before and after pretreatment were only associated inversely with the discrepancies in IgG-RF levels. CONCLUSIONS: Measurement of HBeAg by CMIA is susceptible to negative interference from RFs. The level of IgG-RF played a key role in interfering with HBeAg CIMA and predominantly caused falsely low results. The pretreatment of samples with blocking reagents is therefore advisable prior to the interpretation of test results.
Assuntos
Antígenos E da Hepatite B/sangue , Imunoensaio/métodos , Imunoglobulina G/sangue , Medições Luminescentes , Fator Reumatoide/sangue , Biomarcadores/sangue , Reações Falso-Negativas , Hepatite B/sangue , Hepatite B/diagnóstico , Hepatite B/imunologia , Antígenos E da Hepatite B/imunologia , Humanos , Imunoglobulina G/imunologia , Valor Preditivo dos Testes , Reprodutibilidade dos Testes , Fator Reumatoide/imunologiaRESUMO
Previous studies in patients with hypertension have demonstrated that there is a U-shaped association between HDL-C (high-density lipoprotein cholesterol) and the risk of cardiovascular events in male patients with hypertension. However, to the best of our knowledge, the relationship between HDL-C and intensive blood pressure control in specific cardiovascular events has never been investigated. To fill this knowledge gap, the authors analyzed the relationship between HDL-C levels and cardiovascular events in hypertensive patients within the Systolic Blood Pressure Intervention Trial (SPRINT). The SPRINT evaluated the impact of intensive blood pressure control (systolic blood pressure < 120 mm Hg) versus standard blood pressure control (systolic blood pressure < 140 mm Hg). The Cox proportional risk regression was used to investigate the association between different HDL-C status and clinical outcomes. Additional stratified analyzes were performed to evaluate the robustness of sex difference. A total of 9323 participants (6016 [64.53%] males and 3307 [35.47%] females) with hypertension from the SPRINT research were included in the analysis. The median follow-up period was 3.26 years. Our population was divided into five groups based on the HDL-C plasma levels: HDL-C < 30 mg/dL, HDL-C between 30 and 40 mg/dL, HDL-C between 40 and 60 mg/dL, HDL-C between 60 and 80 mg/dL and HDL-C > 80 mg/dL. Sensitivity analyzes showed that in the SPRINT, women in the HDL-C high population had a higher risk of mortality from all causes than men. In this cohort study, results suggest that patients with HDL-C levels higher than 80 mg/dL had lower risk of SPRINT primary outcome, cardiovascular death, and stroke, but this study tested association, not causation. HDL-C levels were associated with composite cardiovascular outcomes in male but not female patients. Our results demonstrated that in patients with hypertension, the association between HDL-C and risk of cardiovascular events is L-shaped.
Assuntos
Doenças Cardiovasculares , Hipertensão , Feminino , Humanos , Masculino , Anti-Hipertensivos/farmacologia , Pressão Sanguínea/fisiologia , Doenças Cardiovasculares/epidemiologia , Estudos de Coortes , Hipertensão/tratamento farmacológico , Hipertensão/epidemiologia , Hipertensão/complicações , Fatores de Risco , Ensaios Clínicos como AssuntoRESUMO
OBJECTIVE: To explore the prognostic role of RNF113A in colorectal cancer (CRC) and its relationship with immune infiltration. METHODS: Data from publicly available datasets were collected and analyzed to evaluate RNF113A expression in different tumors compared with normal samples and investigate the relationship between RNF113A and CRC survival. The protein expression of RNF113A among colorectal cancer cell lines (HCT116, Caco2, Colon3) and human colorectal mucosa cell (FHC) was detected as well. Pathway enrichment analysis was performed to identify signaling pathways associated with RNF113A. The diagnostic and prognostic values of RNF113A expression in CRC and its correlation with cancer immune characteristics were analyzed by using the TIMER and TISIDB databases. RESULTS: RNF113A is predominantly overexpressed in CRC, which has diagnostic and prognostic value. The protein expression of RNF113A in Colon3 cells was significantly higher than that of FHC cells (P<0.05). The rRNA processing signaling pathway-related gene SNU13 was positively correlated with RNF113A (R=0.245, P<0.001). The area under the ROC curve (AUC) of RNF113A expression for diagnosis of CRC was 0.885. The nomogram showed that RNF113A expression outperformed traditional clinical features such as age in predicting prognosis. RNF113A expression was negatively correlated with the infiltration level of memory B cells, NK cells, Th2 cells, and CD8+ T cells. Moreover, RNF113A expression was negatively correlated with the expression of CCL4, CXCL16, CCR5, and CXCR4. CONCLUSION: RNF113A may regulate CRC through the rRNA processing pathway and negatively correlate with the infiltration level of immune cells, serving as a prognostic biomarker for CRC.
RESUMO
Non-alcoholic fatty liver disease (NAFLD) is a major public health problem due to the high incidence affecting approximately one-third of the world's population. NAFLD is usually linked to obesity and excessive weight. A subset of patients with NAFLD expresses normal or low body mass index; thus, the condition is called non-obese NAFLD or lean NAFLD. However, patients and healthcare professionals have little awareness and understanding of NAFLD in non-obese individuals. Furthermore, preclinical results from non-obese animal models with NAFLD are unclear. Gut microbiota and their metabolites in non-obese/lean-NAFLD patients differ from those in obese NAFLD patients. Therefore, we analyzed the biochemical indices, intestinal flora, and intestinal metabolites in a non-obese NAFLD mouse model established using a methionine-choline-deficient (MCD) diet. The significantly lean MCD mice had a remarkable fatty liver with lower serum triglyceride and free fatty acid levels, as well as higher alanine transaminase and aspartate transaminase levels than normal mice. 16S RNA sequencing of fecal DNA showed that the overall richness and diversity of the intestinal flora decreased in MCD mice, whereas the Firmicutes:Bacteroidota ratio was increased. g_Tuzzerella, s_Bifidobacterium pseudolongum, and s_Faecalibaculum rodentium were the predominant species in non-obese NAFLD mice. Fecal metabolomics using liquid chromatography-tandem mass spectrometry revealed the potential biomarkers for the prognosis and diagnosis of non-obese NAFLD, including high levels of tyramine glucuronide, 9,12,13-TriHOME, and pantetheine 4'-phosphate, and low levels of 3-carbamoyl-2-phenylpropionaldehyde, N-succinyl-L,L-2,6-diaminopimelate, 4-methyl-5-thiazoleethanol, homogentisic acid, and estriol. Our findings could be useful to identify and develop drugs to treat non-obese NAFLD and lean NAFLD. IMPORTANCE: Patients and healthcare professionals have little awareness and understanding of NAFLD in non-obese individuals. In fact, about 40% of people with NAFLD worldwide are non-obese, and nearly one-fifth are lean. Lean NAFLD unfortunately may be unnoticed for years and remains undetected until hepatic damage is advanced and the prognosis is compromised. This study focused on the lean NAFLD, screened therapeutic agents, and biomarkers for the prognosis and diagnosis using MCD-induced male C57BL/6J mice. The metabolites tyramine glucuronide, 9,12,13-TriHOME, and pantetheine 4'-phosphate, together with the predominant flora including g_Tuzzerella, s_Bifidobacterium pseudolongum, and s_Faecalibaculum rodentium, were specific in non-obese NAFLD mice and might be used as targets for non-obese NAFLD drug exploration. This study is particularly significant for non-obese NAFLDs that need to be more actively noticed and vigilant.
Assuntos
Bifidobacterium , Firmicutes , Microbioma Gastrointestinal , Hepatopatia Gordurosa não Alcoólica , Panteteína/análogos & derivados , Tiramina/análogos & derivados , Humanos , Animais , Camundongos , Masculino , Hepatopatia Gordurosa não Alcoólica/diagnóstico , Microbioma Gastrointestinal/genética , Camundongos Endogâmicos C57BL , Obesidade/complicações , Biomarcadores , Colina , FosfatosRESUMO
The Nicotiana tabacum L. plant, a medicinal resource, holds significant potential for benefiting human health, as evidenced by its use in Native American and ancient Chinese cultures. Modern medical and pharmaceutical studies have investigated that the abundant and distinctive function metabolites in tobacco including nicotine, solanesol, cembranoid diterpenes, essential oil, seed oil and other tobacco extracts, avoiding the toxic components of smoke, mainly have the anti-oxidation, anti-lipid production, pro-lipid oxidation, pro-insulin sensitivity, anti-inflammation, anti-apoptosis and antimicrobial activities. They showed potential pharmaceutical value mainly as supplements or substitutes for treating neurodegenerative diseases including Alzheimer's and Parkinson's disease, inflammatory diseases including colitis, arthritis, sepsis, multiple sclerosis, and myocarditis, and metabolic syndrome including Obesity and fatty liver. This review comprehensively presents the research status and the molecular mechanisms of tobacco and its metabolites basing on almost all the English and Chinese literature in recent 20 years in the field of medicine and pharmacology. This review serves as a foundation for future research on the medicinal potential of tobacco plants.
RESUMO
Exogenous hydrogen peroxide (H2O2) may generate excessive oxidative stress, inducing renal cell apoptosis related with kidney dysfunction. Geniposide (GP) belongs to the iridoid compound with anti-inflammatory, antioxidant and anti-apoptotic effects. This study aimed to observe the intervention effect of GP on H2O2-induced apoptosis in human kidney-2 (HK-2) cells and to explore its potential mechanism in relation to N6-methyladenosine (m6A) RNA methylation. Cell viability, apotosis rate and cell cycle were tested separately after different treatments. The mRNA and protein levels of m6A related enzymes and phosphoinositide 3-kinase (PI3K)/a serine/threonine-specific protein kinase 3 (AKT3)/forkhead boxo 1 (FOXO1) and superoxide dismutase 2 (SOD2) were detected by reverse transcription-quantitative real-time PCR (RT-qPCR) and Western blot. The whole m6A methyltransferase activity and the m6A content were measured by ELISA-like colorimetric methods. The changes of m6A methylation levels of PI3K/AKT3/FOXO1 and SOD2 were determined by methylated RNA immunoprecipitation (MeRIP)-qPCR. Multiple comparisons were performed by ANOVA with Turkey's post hoc test. Exposed to 400 µmol/L H2O2, cells were arrested in G1 phase and the apoptosis rate increased, which were significantly alleviated by GP. Compared with the H2O2 apoptosis group, both the whole m6A RNA methyltransferase activity and the m6A contents were increased due to GP intervention. Besides, the SOD2 protein was increased, while PI3K and FOXO1 decreased. The m6A methylation level of AKT3 was negatively correlated with its protein level. Taken together, GP affects the global m6A methylation microenvironment and regulates the expression of PI3K/AKT3/FOXO1 signaling pathway via m6A modification, alleviating cell cycle arrest and apoptosis caused by oxidative stress in HK-2 cells with a good application prospect.
Assuntos
Adenina , Fosfatidilinositol 3-Quinase , Fosfatidilinositol 3-Quinases , Humanos , Peróxido de Hidrogênio , Rim , Iridoides/farmacologia , Apoptose , Estresse Oxidativo , RNA , Metiltransferases , Proteína Forkhead Box O1 , Proteínas Proto-Oncogênicas c-aktRESUMO
Background: Non-alcoholic fatty liver disease (NAFLD) is increasingly observed in non-obese individuals. The ZJU (Zhejiang University) index has been established as a new and efficient tool for detecting NAFLD, but the relationship between the ZJU index and NAFLD within non-obese individuals still remains unclear. Methods: A post-hoc evaluation was undertaken using data from a health assessment database by the Wenzhou Medical Center. The participants were divided into four groups based on the quartile of the ZJU Index. Cox proportional hazards regression, Kaplan-Meier analysis and tests for linear trends were used to evaluate the relationship between the ZJU index and NAFLD incidence. Subgroup analysis was conducted to test the consistency of the correlation between ZJU and NAFLD in subsgroups. Receiver operative characteristic (ROC) curve analysis was performed to evaluate the predictive performance of the ZJU index, compared with the Atherogenic index of plasma (AIP) and Remnant lipoprotein cholesterol (RLP-C) index. Results: A total of 12,127 were included in this study, and 2,147 participants (17.7%) developed NAFLD in 5 years follow-up. Participants in higher ZJU quartiles tended to be female and have higher liver enzymes (including ALP, GGT, ALT, AST), GLU, TC, TG, LDL and higher NAFLD risk. Hazard Ratios (HR) and 95% confidence intervals (CI) for new-onset NAFLD in Q2, Q3, and Q4 were 3.67(2.43 to 5.55), 9.82(6.67 to 14.45), and 21.67(14.82 to 31.69) respectively in the fully adjusted model 3. With increased ZJU index, the cumulative new-onset NAFLD gradually increased. Significant linear associations were observed between the ZJU index and new-onset NAFLD (p for trend all<0.001). In the subgroup analysis, we noted a significant interaction in sex, with HRs of 3.27 (2.81, 3.80) in female and 2.41 (2.21, 2.63) in male (P for interaction<0.01). The ZJU index outperformed other indices with an area under the curve (AUC) of 0.823, followed by AIP (AUC=0.747) and RLP-C (AUC=0.668). Conclusion: The ZJU index emerges as a promising tool for predicting NAFLD risk in non-obese individuals, outperforming other existing parameters including AIP and RLP-C. This could potentially aid in early detection and intervention in this specific demographic.
Assuntos
Hepatopatia Gordurosa não Alcoólica , Feminino , Humanos , Masculino , Povo Asiático , China/epidemiologia , Incidência , Hepatopatia Gordurosa não Alcoólica/diagnóstico , Hepatopatia Gordurosa não Alcoólica/epidemiologia , Estudos Prospectivos , Indicadores Básicos de SaúdeRESUMO
Swine Enteric Coronaviruses (SECoVs), with high lethality and infectiousness, are the main pathogens causing fatal and watery diarrhea in piglets and spreading globally. Moreover, these SECoVs can cause similar clinical manifestations and are often co-infected, requiring an accurate assay suitable for rapid, in situ, and differential detection. Here, we developed a multiplexed fluorescent-based lateral flow immunoassay (mFB-LFIA) for the detection of three SECoVs, including porcine delta coronaviruses (PDCoV), transmissible gastroenteritis virus (TGEV), and porcine epidemic diarrhea virus (PEDV), in swine fecal samples. Thanks to the filter pad design and reasonable optimization, the mFB-LFIA was achieved within 15 min for three SECoVs detection simultaneously and improved the tolerance of the strips for feces samples. The limit of detection (LoD) of detecting PDCoV, TGEV, and PEDV were 2.1 × 104 TCID50 mL-1, 3.4 × 102 TCID50 mL-1, and 3.6 × 102 TCID50 mL-1, respectively. Additionally, the proposed assay was successfully applied to the detection of PDCoV, TGEV, and PEDV in swine feces with high accuracy. Compared with the gold standard nucleic acid testing, the total coincidence rate of the proposed assay was more than 90 %. Moreover, the mFB-LFIA performed excellent stability and repeatability. The proposed mFB-LFIA allows for rapid, in situ, more cost-effective and simultaneous detection of PDCoV, TGEV, and PEDV compared with nucleic acid testing. To the best of our knowledge, this is the first report to describe a multiplexed point-of-care assay capable of detecting PDCoV, TGEV, and PEDV in swine fecal samples. We believe our approach has a great potential for application to pig farm.