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ETHNOPHARMACOLOGICAL RELEVANCE: Morus alba L. are widely used as ethnomedicine and functional food in China, Japan, Korea and other Asian countries. Morus alba L. have a variety of pharmacological activity such as antiviral, antioxidation, anti-cholesterol, anticancer, hypoglycemia, and neuroprotection. Morus alba L. has demonstrated antiviral efficacy against influenza viruses, SARS-CoV-2 and so on, but its potential activity against pseudorabies virus (PRV) remains uncertain. AIM OF THE STUDY: This study endeavors to delve into the anti-pseudorabies virus (PRV) potential of the ethanol extract of Morus alba L. leaves (MLE), while simultaneously elucidating its underlying mechanism of action. MATERIALS AND METHODS: The anti-PRV activities of Morus alba L. extracts at different concentrations were evaluated by qPCR and immunoblotting. The inhibitory effects of MLE on PRV replication in three distinct treatment modes (pretreatment, co-treatment, and post-treatment) were detected by qPCR and indirect immunofluorescence assays. qPCR was used to investigate the effects of MLE on PRV attachment, entrance, and cytokine expression in PRV-infected cells. The chemical components in MLE were analyzed by UPLC-MS/MS. RESULTS: MLE significantly inhibits PRV replication and protein expression in a dose-dependent manner. MLE displays inhibitory effects against PRV at three different modes of treatment. The most significant inhibitory effect of MLE was observed when used in co-treatment mode, resulting in an inhibition rate of 99.42%. MLE inhibits PRV infection in the early stage. MLE inhibits PRV infection by affecting viral attachment and viral entry. Furthermore, MLE exerts its inhibition on PRV replication by mitigating the heightened expression of cytokines (TNF-α and IFN-α) triggered by PRV. Analysis of its chemical composition highlights phenolic acids and flavonoids as the principal constituents of MLE. CONCLUSION: The results illustrate that MLE effectively impedes PRV infection by suppressing viral adsorption and entry, while also curbing the expression of antiviral cytokines. Therefore, MLE may be a potential resource for creating new medications to treat human and animal PRV infections.
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Antivirais , Herpesvirus Suídeo 1 , Morus , Extratos Vegetais , Folhas de Planta , Replicação Viral , Herpesvirus Suídeo 1/efeitos dos fármacos , Morus/química , Antivirais/farmacologia , Antivirais/isolamento & purificação , Extratos Vegetais/farmacologia , Animais , Replicação Viral/efeitos dos fármacos , Folhas de Planta/química , Citocinas/metabolismo , Cães , Células Madin Darby de Rim Canino , Internalização do Vírus/efeitos dos fármacos , Ligação Viral/efeitos dos fármacosRESUMO
Identifying the cause of death has always been a major focus and challenge in forensic practice and research. Traditional techniques for determining the causes of death are time-consuming, labor-intensive, have high professional barriers, and are vulnerable to significant subjective bias. Additionally, most current studies on causes of death are limited to specific organs and single causes. To overcome these challenges, this study utilized simple and rapid fourier transform infrared spectroscopy (FTIR) detection technology, integrating data from six organs-heart, liver, spleen, lung, kidney, and brain. The optimum model for identifying seven different causes of death was determined by evaluating the performance of models developed using the model efficiencies of single-organ (SO), single-organ model fusion (SOMF), multi-organ data fusion (MODF), and multi-organ data model fusion (MODMF) modeling methods. Considering factors such as operational costs, model performance, and model complexity, the MODF artificial neural network (ANN) model was found to be the most suitable choice for constructing a cause of death identification model, with a cross-validation mean accuracy of 0.960 and a test set accuracy of 0.952. The heart and kidney contributed more spectral features to the construction of the cause of death identification model compared to other organs. This study not only demonstrated that data fusion and model fusion are effective strategies for improving model performance but also provided a comprehensive data analysis framework and process for modeling with small sample multi-modal data (multiple organ data). In conclusion, by exploring various approaches, this study offers new solutions for identifying the cause of death.
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INTRODUCTION/BACKGROUND: Micropapillary variant urothelial carcinoma (MPUC) is associated with increased risk of treatment failure with intravesical therapy likely due to the increased risk of occult lymph node (LN) metastasis at radical cystectomy (RC). To date, limited data exists as to whether percent MPUC present within transurethral resection (TUR) samples impacts LN positivity at RC. Our objective is to evaluate the association of percentage MP variant on TUR on incidence of lymph node metastasis and survival outcomes. METHODS: A total of 67 patients with MPUC on TUR were identified from a prospectively maintained database of patients undergoing RC at our institution between 2007 and 2022. TUR samples were rereviewed by an expert GU pathologist with over ten years of experience. Presence and percent MP component, LVI, CIS, grade, and clinical stage were evaluated. Pathologic outcomes were collected from subsequent RC specimens, and recurrence free (RFS) and overall survival (OS) were estimated via the Kaplan-Meier method. Associations between percent MP and lymph node metastasis, RFS, and OS were assessed with univariate and multivariable logistic regression and Cox survival analyses as appropriate. RESULTS: Thirty four of 67 (51%) patients underwent RC for cT1 disease, the remainder harbored ≥cT2 disease. 19 of 33 (58%) patients with ≥cT2 disease received neoadjuvant chemotherapy (NAC). Mean percent MPUC was 35% in cT1 patients and 28% in cT2 patients (Pâ¯=â¯0.25). On univariate analysis, both MPUC ≥ 30% (Odds Ratio (OR) 3.38, Pâ¯=â¯0.02) and clinical ≥T2 (OR 2.88, Pâ¯=â¯0.04) were significant predictors of nodal metastasis at RC. On multivariable analysis, MPUC% (OR 1.02, Pâ¯=â¯0.036) or MPUC% ≥ 30% (OR 4.01, Pâ¯=â¯0.013) and clinical T stage ≥2 (OR 3.73, Pâ¯=â¯0.018) were significant predictors of pathologic node positive disease. The lowest rate of LN metastasis was found in patients with cT1 disease and MPUC <30% (3/16, 18.7%), versus the highest in ≥cT2 disease and MP ≥ 30% (12/16, 75%). CONCLUSIONS: Percent MPUC component on TUR is associated with increased risk of occult lymph node metastasis at RC. Routine pathologic evaluation of percent MP component has the potential to help select patients with MPUC that might be reasonable candidates for intravesical therapy.
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Ferroptosis has emerged as a promising strategy for cancer treatment. Nevertheless, the efficiency of ferroptosis-mediated therapy remains a challenge due to high glutathione (GSH) levels and insufficient endogenous hydrogen peroxide in the tumor microenvironment. Herein, we presented a nitric-oxide (NO) boost-GSH depletion strategy for enhanced ferroptosis therapy through a multifunctional nanoplatform with near-infrared (NIR) triggered NO release. The nanoplatform, IS@ATF, was designed that self-assembled by loading the NO donor L-arginine (L-Arg), ferroptosis inducer sorafenib (SRF), and indocyanine green (ICG) onto tannic acid (TA)-Fe3+âmetal-phenolic networks (MPNs) modified with hydroxyethyl starch. Inside the tumor, SRF could inhibit GSH biosynthesis, impair the activation of glutathione peroxidase 4, and disrupt the ferroptosis defensive system. In conjunction with TA-Fe3+âMPNs, which has cascaded Fenton catalytic activity, it could navigate the lethal ferroptosis to cancer cells. Upon NIR laser irradiation, the ICG-generated ROS oxidated L-Arg to a substantial quantity of NO, which further depleted the intracellular GSH and caused LPO accumulation, enhancing cell ferroptosis. Moreover, ICG also serves as a photothermal agent that can produce hyperthermia when exposed to irradiation, further potentiating ferroptosis therapy. In addition, the nanoplatform showed significantly improved tumor therapeutic efficacy and anti-metastasis efficiency. This work thus demonstrated that utilizing NO boost-GSH depletion to enhance ferroptosis induction is a feasible and promising strategy for cancer treatment.
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Ferroptose , Glutationa , Óxido Nítrico , Ferroptose/efeitos dos fármacos , Animais , Óxido Nítrico/metabolismo , Camundongos , Humanos , Linhagem Celular Tumoral , Glutationa/metabolismo , Raios Infravermelhos , Arginina/química , Arginina/farmacologia , Verde de Indocianina/química , Verde de Indocianina/farmacologia , Nanopartículas/química , Camundongos Endogâmicos BALB C , Sorafenibe/farmacologia , Neoplasias/tratamento farmacológico , Neoplasias/metabolismo , Microambiente Tumoral/efeitos dos fármacos , Taninos/química , Taninos/farmacologiaRESUMO
OBJECTIVES: The aim of this study was to detect trends and related factors in the functional dentition (FD) in 65- to 74-year-olds in Guangdong, China, while also assessing trends in education and income inequality factors. MATERIALS AND METHODS: Three large-scale cross-sectional National Oral Health Surveys (NOHS), specifically NOHS II in 1995, NOHS III in 2005, and NOHS IV in 2015, were included. Post hoc stratification was weighted for 1038 participants aged 65 to 74years. Retaining teeth ≥ 20 teeth and retaining < 20 teeth was defined as functional dentition (FD) and nonfunctional dentition (NFD), respectively. Logistic regression models were established to assess related factors. Slope index of inequality (SII) and relative index of inequality (RII) were used to analyze inequality. RESULTS: From NOHS II to IV, the FD proportion increased from 42.8 to 71.9%. Years of NOH, with caries, with periodontal pocket, high educational level, high income level, female, and those who had dental visits were associated with FD preservation. The education-related SII decreased from 0.44 to 0.20, and the income-related SII increased from 0.13 to 0.16. CONCLUSIONS: The FD proportion among 65- to 74-year-olds improved from 1995 to 2015. Years of NOHS, with caries, with periodontal pocket, high education level, and high income level were associated with higher FD proportion. Female and those who had dental visits were associated lower FD proportion. Social inequalities in FD persisted, especially economic-related inequalities. Public health policy support and respective interventions should be applied to increase FD retention.
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Inquéritos de Saúde Bucal , Perda de Dente , Humanos , Estudos Transversais , China/epidemiologia , Idoso , Feminino , Masculino , Perda de Dente/epidemiologia , Fatores de Risco , Escolaridade , Renda/estatística & dados numéricos , Fatores SocioeconômicosRESUMO
With the booming development of Li-ion batteries (LIBs), the recycling and reusing of spent graphite (SG) from LIBs is becoming increasingly crucial. Meanwhile, developing low-cost and efficient carbon hosts for lithium-sulfur (Li-S) batteries has gained widespread attention in the past decade. Nevertheless, the processing of carbon materials as sulfur hosts is often energy-consuming and complex. Herein, a simple and environmental-friendly strategy is proposed to reuse the SG to prepare graphene/sulfur composite cathode for Li-S batteries. Due to expanded layer spacing and defects of SG, sulfur molecules can strip it into a graphene-type host via ball milling. By optimizing the S/SG ratio and ball milling time, the as-prepared graphene/sulfur composite cathode with 70 wt.% sulfur content exhibits a high capacity of 1000 mAh g-1. With a high sulfur loading of 4.68 mg cm-2, the graphene/sulfur cathode can maintain 526 mAh g-1 after 400 cycles. This work provides a novel waste-to-wealth perspective for recycling spent graphite from LIBs to reuse in Li-S batteries.
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The thermoelectric properties and infrared emissivity of materials may seem unrelated, but both are influenced by electrical conductivity and thermal conductivity. The photothermal effect of SrTiO3 can establish a connection between the Seebeck coefficient and infrared absorption in the 8-14 µm range. However, there is currently limited research on the relationship between thermoelectric performance and infrared emissivity. In this study, ZnO/SrTiO3 composites were prepared using a hydrothermal method combined with spark plasma sintering. The intrinsic relationship between the thermoelectric and infrared emission performance of the composites was investigated by varying the ZnO content. As the ZnO content increased, the grain boundary barrier of the samples changed, affecting both electrical and thermal conductivities. The infrared emissivity initially decreased and then increased with increasing ZnO content, which contrasted with the trend observed in electrical conductivity, in accordance with the Hagen-Rubens relationship. The ZT value and infrared emissivity exhibited opposite trends, with the ZnO-5 sample having the highest thermoelectric performance and the lowest infrared emissivity, making it the most representative sample. The relationship between the thermoelectric performance and infrared emissivity of SrTiO3 is of significant importance for developing multifunctional materials with both thermoelectric and infrared properties.
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Ultraviolet (UV) photodetectors (PDs) based on nanowire (NW) hold significant promise for applications in fire detection, optical communication, and environmental monitoring. As optoelectronic devices evolve towards lower dimensionality, multifunctionality, and integrability, multicolor PDs have become a research hotspot in optics and electronic information. This study investigates the enhancement of detection capability in a light-trapping ZnO NW array through modification with Pt nanoparticles (NPs) via magnetron sputtering and hydrothermal synthesis. The optimized PD exhibits superior performance, achieving a responsivity of 12.49 A/W, detectivity of 4.07 × 1012 Jones, and external quantum efficiency (EQE) of 4.19 × 103%, respectively. In addition, the Pt NPs/ZnO NW/ZnO PD maintains spectral selectivity in the UV region. These findings show the pivotal role of Pt NPs in enhancing photodetection performance through their strong light absorption and scattering properties. This improvement is associated with localized surface plasmon resonance induced by the Pt NPs, leading to enhanced incident light and interfacial charge separation for the specialized configurations of the nanodevice. Utilizing metal NPs for device modification represents a breakthrough that positively affects the preparation of high-performance ZnO-based UV PDs.
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Background: The impact of the coronavirus disease 2019 (COVID-19) pandemic on the etiology of non-COVID-19 viral pneumonia remains to be identified. We investigated the evolution of non-COVID-19 viral pneumonia in hospitalized patients before and after the COVID-19 pandemic. Methods: This is a single-center retrospective study. Patients who came to West China Hospital of Sichuan University diagnosed with non-COVID-19 viral pneumonia from January 1, 2016 to December 31, 2021, were included and divided into pre- and post-COVID-19 groups according to the date of the COVID-19 outbreak in China. The results of 13 viral nucleic acid tests were compared between the two groups. Results: A total of 5937 patients (3954 in the pre-COVID-19 group and 1983 in the post-COVID-19 group) were analyzed. Compared with the pre-COVID-19 group, the proportion of patients tested for respiratory non-COVID-19 viral nucleic acid was significantly increased in the post-COVID-19 group (14.78% vs. 22.79%, P <0.05). However, the non-COVID-19 virus-positive rates decreased from 37.9% to 14.6% after the COVID-19 outbreak (P < 0.001). Notably, non-COVID-19 viral pneumonia caused by the influenza A virus H1N1 (InfAH1N1) (2009) dropped to 0% after the pandemic. The top three viruses were InfAH1N1 (2009) (13.9%), human rhinovirus (7.4%), and human adenovirus (3.4%) in the pre-COVID-19 group, and human rhinovirus (3.8%), human respiratory syncytial virus (2.0%), human parainfluenza virus (1.1%) and InfAH3N2 (1.1%) in the post-COVID-19 group. Conclusions: The proportion of non-COVID-19 viral pneumonia decreased significantly after the COVID-19 outbreak, among which InfAH1N1 (2009) pneumonia decreased the most dramatically.
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Membrane technology exhibits low cost and high efficiency in gas separation. Zeolite-imidazole framework-67 (ZIF-67) membrane shows a theoretically superior performance in H2/CO2 separation, owing to its effective size-sieving pores between H2 and CO2. However, the gas molecules are permeate through a series of consecutive crystal cells of common ZIF-67 polycrystalline membranes, resulting in high transport resistance to the gas permselective transport. To this end, this work employs a contra-diffusion synthesis to construct a honeycomb ZIF-67 (h-ZIF67) crystalline membrane for low-resistance H2/CO2 permselective transport. The controlled growth of h-ZIF67 following the van der Drift theory produces the honeycomb polycrystal with hierarchical channels for low-resistance gas permeation. The prepared membrane with micron-scale thickness still achieves a H2 permeance as high as 1.6 × 10-7 mol m-2 s-1 Pa-1 and a H2/CO2 selectivity of 17, which can be maintained after a long-term operation for the H2/CO2 mixture separation.
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Background: All-suture anchor (ASA) is a special type of suture anchor. It has been used to repair rotator cuff tears (RCTs). However, mechanical properties and tendon-bone integration at different time postoperatively remains to be unclear. Methods: Mechanical testing and water contact angle measurements were conducted for ASA. In vitro biocompatibility was assessed using rat bone marrow stem cells (BMSCs), including live/dead cell staining and Cell Counting Kit-8 assays. ASA was implanted for rotator cuff repair (ASA group) in a New Zealand White rabbit model of RCTs, and a natural rotator cuff was used as a control (natural group). The animals were sacrificed, and tissue samples were harvested for biomechanical, radiographic, and histological analysis at 4, 8, and 12 weeks postoperatively. Results: ASA was hydrophobic and had a strong mechanical property in vitro. The biocompatibility analysis showed that ASA had no effect on the viability of BMSCs. Mechanical testing in vivo revealed that a gradually improved failure load of ASA group was 118.0 ± 22.53N at 12 weeks postoperatively, which was recovered to the natural group. Micro-CT analysis indicated that an initial decrease in BMD and trabecular quality following ASA implantation, with a slight recovery observed at 12 weeks. Additionally, histological analysis showed the tendon-bone interface gradually integrated in the ASA group. A significant increase in tendon-bone interface scores was found from 4 weeks to 12 weeks. Tendon maturing score also improved in the ASA group, and Type I collagen content recovered to 18.58 ± 4.378 % at 12 weeks and no different from that of the natural group. Conclusion: Rotator cuff repair with ASA in a rabbit model demonstrated the capacity to enhance biomechanical properties and tendon-bone integration.
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Importance: Thrombotic microangiopathy (TMA) on kidney biopsy is a pattern of endothelial injury commonly seen in malignant hypertension (mHTN), but treatment strategies are not well established. Objective: To evaluate the kidney outcomes of angiotensin receptor-neprilysin inhibitor (ARNI), specifically sacubitril/valsartan, vs angiotensin-converting enzyme inhibitor (ACEI) or angiotensin receptor blocker (ARB) therapy for patients with mHTN-associated TMA. Design, Setting, and Participants: This single-center cohort study enrolled consecutive patients in China diagnosed with mHTN-associated TMA through kidney biopsy from January 2008 to June 2023. Follow-up was conducted until the conclusion of the study period. Data were analyzed in September 2023. Exposures: Treatment with sacubitril/valsartan or ACEI/ARBs during hospitalization and after discharge. Main Outcomes and Measures: The primary outcome was a composite of kidney recovery: a 50% decrease in serum creatinine level, decrease in serum creatinine levels to the reference range, or kidney survival free from dialysis for more than 1 month. The secondary and tertiary outcomes were a 15% increase in the estimated glomerular filtration rate (eGFR) relative to baseline and kidney survival free from dialysis, respectively. Propensity score matching (PSM) and Cox proportional hazards regression analysis were used to evaluate the association between sacubitril/valsartan and ACEI/ARB therapy with kidney recovery outcomes. Results: Among the 217 patients (mean [SD] age, 35.9 [8.8] years; 188 men [86.6%]) included in the study, 66 (30.4%) received sacubitril/valsartan and 151 (69.6%) received ACEI/ARBs at baseline. Sacubitril/valsartan treatment was associated with shorter time to the primary outcome compared with ACEI/ARB treatment (20 of 63 [31.7%] vs 38 of 117 [32.5%]; adjusted hazard ratio [aHR], 1.85; 95% CI, 1.05-3.23). Sacubitril/valsartan treatment was independently associated with shorter time to a 15% increase in eGFR (15 of 46 [32.6%] vs 46 of 83 [55.4%]; aHR, 2.13; 95% CI, 1.09-4.17) and kidney survival free from dialysis (11 of 23 [47.8%] vs 16 of 57 [28.1%]; aHR, 2.63; 95% CI, 1.15-5.88) compared with ACEI/ARB treatment. These differences remained significant in the PSM comparison. Conclusions and Relevance: In this cohort study, sacubitril/valsartan treatment was associated with a potential kidney function benefit in patients with mHTN-associated TMA compared with ACEI/ARB treatment. The findings suggested that sacubitril/valsartan could be a superior therapeutic approach for managing this serious condition in terms of kidney recovery.
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Aminobutiratos , Antagonistas de Receptores de Angiotensina , Inibidores da Enzima Conversora de Angiotensina , Compostos de Bifenilo , Combinação de Medicamentos , Microangiopatias Trombóticas , Valsartana , Humanos , Masculino , Feminino , Inibidores da Enzima Conversora de Angiotensina/uso terapêutico , Antagonistas de Receptores de Angiotensina/uso terapêutico , Microangiopatias Trombóticas/tratamento farmacológico , Pessoa de Meia-Idade , Valsartana/uso terapêutico , Compostos de Bifenilo/uso terapêutico , Aminobutiratos/uso terapêutico , Adulto , Hipertensão Maligna/tratamento farmacológico , Rim/efeitos dos fármacos , Rim/fisiopatologia , Neprilisina/antagonistas & inibidores , Estudos de Coortes , China , Tetrazóis/uso terapêutico , Resultado do Tratamento , Taxa de Filtração Glomerular/efeitos dos fármacosRESUMO
The breast plumage color of Guangxi Yao chickens shows obvious sexual dimorphism, with roosters showing black and black with red, and hens displaying partridge and red. Black plumage in roosters is considered a sign of quality, necessitating the purification of plumage color. Here, we developed an effective method based on genetic variations within MC1R and plumage characteristics. We clarified the distribution of 5 single nucleotide polymorphisms (SNP) and 3 haplotypes (H1, H2, and H3) of MC1R gene, and revealed potential associations between haplotype H1 and black breast plumage in the F2 resource population derived from a backcross between Guangxi Yao and Yellow chickens. Subsequently, using H1/H1 diplotype roosters and hens to construct families (n = 1,244) notably increased the proportion of offspring with black plumage. Further analysis suggested that red plumage in hens may be the putative phenotype of black plumage in roosters, driven by haplotype H1 of the MC1R gene, as verified by genotype and phenotype analysis. As expected, we found that almost all male offspring of hens with red breast plumage showed black plumage. In short, we established a selection pattern based on the combination of black-plumage roosters and red-plumage hens can significantly purify the sexually dimorphic plumage color and improve the efficiency of breeding programs in Guangxi Yao chickens. Our findings provide a novel technical framework to accelerate the breeding process for plumage trait in poultry.
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Galinhas , Plumas , Pigmentação , Polimorfismo de Nucleotídeo Único , Caracteres Sexuais , Animais , Plumas/fisiologia , Galinhas/genética , Galinhas/fisiologia , Masculino , Feminino , Pigmentação/genética , Haplótipos , Cruzamento , Receptor Tipo 1 de Melanocortina/genética , Seleção Genética , ChinaRESUMO
Objective: Mulberry (Morus alba) leaf (ML) is a high-quality feed source for ruminants, while it is unclear whether it can enhance the growth performance and meat quality of Xiangdong black goats. Methods: In this study, we investigated the effects of ML supplementation (0, 5, 10, 15, and 20%) on the growth performance, serum variables, and the profiles of amino acids and fatty acids in the muscle of Xiangdong black goats. Results: Results showed that the final body weight, initial and final dry matter intake, and average daily gain increased linearly and quadratically with the increasing ML content (P < 0.05). The serum concentrations of total antioxidant capacity (T-AOC) increased linearly, while immunoglobulin G (IgG) increased quadratically with the increasing ML content (P < 0.05). Conversely, the saturated fatty acids (SFA) content in meat decreased linearly with the increasing ML content (P < 0.05). Compared to goats without ML supplementation, goats fed with 15% ML showed significant increases in serum concentrations of T-AOC, superoxide dismutase, catalase, and IgG (P < 0.05). Furthermore, goats fed with 20% ML displayed significant decreases in SFA (C18:0) content, compared to goats without ML supplementation (P < 0.05). Conclusion: These results suggest that ML supplementation promotes the growth performance of goats. A diet containing 15% ML showed better effects in promoting antioxidant and immunomodulatory activities, while a diet with 20% ML was more effective in enhancing meat flavor in Xiangdong black goats.
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With global warming, the number of deaths due to heatstroke has drastically increased. Nevertheless, there are still difficulties with the forensic assessment of heatstroke deaths, including the absence of particular organ pathological abnormalities and obvious traces of artificial subjective assessment. Thus, determining the cause of death for heatstroke has become a challenging task in forensic practice. In this study, hematoxylin-eosin (HE) staining, attenuated total reflection-Fourier transform infrared spectroscopy (ATR-FTIR), and machine learning algorithms were utilized to screen the target organs of heatstroke and generate a multi-organ combination identification model of the cause of death. The hypothalamus (HY), hippocampus (HI), lung, and spleen are thought to be the target organs among the ten organs in relation to heatstroke death. Subsequently, the single-organ and multi-organ combined models were established, and it was found that the multi-organ combined approach yielded the most precise model, with a cross-validation accuracy of 1 and a test-set accuracy of 0.95. Additionally, the primary absorption peaks in the spectrum that differentiate heatstroke from other common causes of death are found in Amide I, Amide II, δ CH2, and vas PO2- in HI, δ CH2, vs PO2-, v C-O, and vs C-N+-C in HY, Amide I, δ CH2, vs COO-, and Amide III in lung, Amide I and Amide II in spleen, respectively. Overall, this research offers a novel technical approach for determining the heatstroke death as well as crucial evidence for judicial identification.
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Background: Sepsis triggers a strong inflammatory response, often leading to organ failure and high mortality. The role of serum albumin levels in sepsis is critical but not fully understood, particularly regarding the significance of albumin level changes over time. This study utilized Group-based Trajectory Modeling (GBTM) to investigate the patterns of serum albumin changes and their impact on sepsis outcomes. Methods: We conducted a retrospective analysis on ICU patients from West China Hospital (2015-2022), employing GBTM to study serum albumin fluctuations within the first week of ICU admission. The study factored in demographics, clinical parameters, and comorbidities, handling missing data through multiple imputation. Outcomes assessed included 28-day mortality, overall hospital mortality, and secondary complications such as AKI and the need for mechanical ventilation. Results: Data from 1,950 patients revealed four serum albumin trajectories, showing distinct patterns of consistently low, increasing, moderate, and consistently high levels. These groups differed significantly in mortality, with the consistently low level group experiencing the highest mortality. No significant difference in 28-day mortality was observed among the other groups. Subgroup analysis did not alter these findings. Conclusion: The study identified four albumin trajectory groups in sepsis patients, highlighting that those with persistently low levels had the worst outcomes, while those with increasing levels had the best. Stable high levels above 30 g/L did not change outcomes significantly. These findings can inform clinical decisions, helping to identify high-risk patients early and tailor treatment approaches.
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BACKGROUND: The prevalence of oral diseases is subject to change over time. In 2021, Guangdong Province conducted its fourth survey assessing the oral health status of individuals aged 65-74. MATERIALS AND METHODS: Evaluation criteria and potential influencing factors were identified. A sample of residents aged 65-74 from 13 designated monitoring sites in Guangdong Province was randomly selected for the study. Spearman correlation analysis was employed to investigate the clinical correlation between influencing factors and evaluation criteria. Negative binomial and zero-inflated negative binomial regression models were utilized to examine the factors influencing caries prevalence. In contrast, logistic regression was employed to identify the risk factors for caries occurrence. A p-value of ≤0.05 was considered statistically significant. RESULTS: The prevalence of caries rate of crowns, roots, and teeth were 76.36%, 52.25%, and 79.2%, respectively. Individuals with periodontal pockets exhibited a significantly higher risk of root caries. The presence of dental calculus significantly exacerbated the occurrence of crown, root, and dental caries, and increased the risk of crown and dental caries. Consuming sweet foods once or more a week notably increased the average root decayed score (D of roots), the prevalence rate of root caries, and the D score of the Decayed, Missing, and Filled teeth [DMFT] index in individuals already afflicted with this condition. Similarly, the consumption of sweetened drinks significantly elevated the risk of crown and root caries, exacerbating overall caries progression. Frequencies of manual toothbrush and toothpick cleaning showed a negative correlation with average tooth missing score (MT). In contrast, the frequency of manual/electric toothbrush and toothpick cleaning was negatively correlated with the DMFT index. Engaging in dental diagnosis and treatment behaviors significantly increased the number of filled crowns (F), MT, and DMFT scores while reducing the prevalence of dental caries. CONCLUSIONS: In Guangdong Province, caries prevalence among older individuals aged 65-74 remains substantial. Relevant professionals and institutions must provide comprehensive guidance and assistance to the older population, emphasizing the importance of reducing the consumption of sweets and sweetened beverages, adopting correct tooth brushing techniques and frequency (at least twice daily), timely treatment of periodontal diseases, conducting regular epidemiological caries surveys, and addressing economic barriers to accessing caries diagnosis and treatment services.
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Cárie Dentária , Humanos , Cárie Dentária/epidemiologia , China/epidemiologia , Prevalência , Idoso , Estudos Transversais , Masculino , Feminino , Fatores de Risco , Índice CPO , Cárie Radicular/epidemiologiaRESUMO
MXene based catalysts can significantly enhance hydrogenation and dehydrogenation (de/hydrogenation) kinetics of Mg/MgH2, but they suffer from uncontrollable catalysts-hydrogen bond strength and structural instability. Here, we propose Tx density control of MXene-based catalysts and MnOx coating as a promising solution. The MnOx@Ti2CTx-catalyzed Mg/MgH2 can release 5.97 wt % H2 at 300 °C in 3 min and 5.60 wt % H2 at 240 °C in 15 min with an activation energy of 75.57 kJ·mol-1. In addition, the samples showed excellent de/hydrogenation-cycle stability, and the degradation of hydrogen storage capacity is negligible even after 100 cycles. DFT calculations combined with XPS analysis showed that the Tx defect on the surface of the MnOx@Ti2CTx catalyst could optimize the strength of the Ti-H bond, accelerating both hydrogen dissociation and diffusion processes. The catalyst's surface properties were protected by the MnOx coating, achieving high chemical and catalytic stability. These findings offer a strategy for surface structure optimization and protection of MXene-based catalysts, realizing controllable catalyst-hydrogen bond strength.
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BACKGROUND: tRNA-derived small RNAs (tsRNAs) are newly discovered non-coding RNA, which are generated from tRNAs and are reported to participate in several biological processes in diseases, especially cancer; however, the mechanism of tsRNA involvement in colorectal cancer (CRC) and 5-fluorouracil (5-FU) is still unclear. METHODS: RNA sequencing was performed to identify differential expression of tsRNAs in CRC tissues. CCK8, colony formation, transwell assays, and tumor sphere assays were used to investigate the role of tsRNA-GlyGCC in 5-FU resistance in CRC. TargetScan and miRanda were used to identify the target genes of tsRNA-GlyGCC. Biotin pull-down, RNA pull-down, luciferase assay, ChIP, and western blotting were used to explore the underlying molecular mechanisms of action of tsRNA-GlyGCC. The MeRIP assay was used to investigate the N(7)-methylguanosine RNA modification of tsRNA-GlyGCC. RESULTS: In this study, we uncovered the feature of tsRNAs in human CRC tissues and confirmed a specific 5' half tRNA, 5'tiRNA-Gly-GCC (tsRNA-GlyGCC), which is upregulated in CRC tissues and modulated by METTL1-mediated N(7)-methylguanosine tRNA modification. In vitro and in vivo experiments revealed the oncogenic role of tsRNA-GlyGCC in 5-FU drug resistance in CRC. Remarkably, our results showed that tsRNA-GlyGCC modulated the JAK1/STAT6 signaling pathway by targeting SPIB. Poly (ß-amino esters) were synthesized to assist the delivery of 5-FU and tsRNA-GlyGCC inhibitor, which effectively inhibited tumor growth and enhanced CRC sensitive to 5-FU without obvious adverse effects in subcutaneous tumor. CONCLUSIONS: Our study revealed a specific tsRNA-GlyGCC-engaged pathway in CRC progression. Targeting tsRNA-GlyGCC in combination with 5-FU may provide a promising nanotherapeutic strategy for the treatment of 5-FU-resistance CRC.
Assuntos
Neoplasias Colorretais , Progressão da Doença , Resistencia a Medicamentos Antineoplásicos , Fluoruracila , Neoplasias Colorretais/genética , Neoplasias Colorretais/tratamento farmacológico , Neoplasias Colorretais/patologia , Neoplasias Colorretais/metabolismo , Humanos , Fluoruracila/farmacologia , Fluoruracila/uso terapêutico , Resistencia a Medicamentos Antineoplásicos/genética , Camundongos , Animais , RNA de Transferência/genética , RNA de Transferência/metabolismo , Linhagem Celular Tumoral , Feminino , Masculino , Regulação Neoplásica da Expressão Gênica , Proliferação de Células , Pequeno RNA não Traduzido/genéticaRESUMO
BACKGROUND: Sepsis-associated liver injury (SLI) is a severe and prevalent complication of sepsis. AIM: To explore the literature on SLI via a bibliometric approach. METHODS: Reviews and articles correlated with SLI published from January 1, 2000 to October 28, 2023 were searched from the Web of Science Core Collection. Then, the searched data were analyzed using VOSviewer, CiteSpace, and R language. RESULTS: There were 787 publications involved in this paper, comprising 745 articles and 42 reviews. China, the United States, and Germany are the primary publication sources in this area. Studies related to SLI primarily focused on mechanisms of pathogenesis, as evidenced by analyzing keywords, references, and the counting of original research. These studies mainly involved tumor necrosis factor alpha, inflammation, oxidative stress, and nuclear factor-kappa B. CONCLUSION: There is significant growth in the research on SLI. Current investigations primarily involve basic experiments that aimed at uncovering pathogenic mechanisms. According to the analyzed literature, the identified pathogenic mechanisms and potential therapeutic targets serve as the foundation for translating findings from basic research to clinical applications.