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1.
Langmuir ; 2024 Sep 20.
Artículo en Inglés | MEDLINE | ID: mdl-39304525

RESUMEN

Fe[Fe(CN)6] (FeHCF) is considered a promising material for capacitive deionization-desalination of saline wastewater due to its excellent structure. However, additives are usually introduced during the synthesis of FeHCF in order to avoid [Fe(CN)6]3- vacancy defects filled by ligand water, which can result in the appearance of harmful byproducts and additional water treatment costs. In this study, an additive-free in situ vacancy repair strategy is proposed for the rapid synthesis of high-quality FeHCF in a saturated K3Fe(CN)6 solution. During the process of synthesizing FeHCF in solution, a high concentration of [Fe(CN)6]3- is found to facilitate the binding of Fe3+ to [Fe(CN)6]3- and hinder the hydrolysis and coordination reaction of Fe3+. After undergoing repair, FeHCF4 demonstrates an increased capacity and highly reversible electrochemical performance due to the robust structure. When utilized as Faraday cathodes in hybrid capacitive deionization (HCDI) systems, FeHCF4 exhibits a higher salt removal capacity (65.67 mg g-1) and lower energy consumption (0.68 kWh kg-1-NaCl) compared to unrepaired FeHCF1, while still maintaining excellent cycling performance. This environmentally friendly approach of repairing vacancies serves as a source of inspiration for the advancement of high-performance Prussian Blue analogues as capacitive sodium-removing materials.

2.
Angew Chem Int Ed Engl ; : e202416711, 2024 Sep 19.
Artículo en Inglés | MEDLINE | ID: mdl-39297431

RESUMEN

Single-atom catalysts with precise structure and extremely high catalytic efficiency remain a fervent focus in the fields of materials chemistry and catalytic science. Herein, a nickel-substituted polyoxometalate (POM) {NiSb6O4(H2O)3[ß-Ni(hmta)SbW8O31]3}15- (NiPOM) with one extremely exposed nickel site [NiO3(H2O)3] was synthesized using the conventional aqueous method. The uniform dispersion of single nickel center with well-defined structure was facilely achieved by anchoring nanosized NiPOM on graphene oxide (GO). The resulting NiPOM/GO can couple with CdS photoabsorber for the construction of low-cost and ultra-efficient hydrogen evolution system. The H2 yield can reach to 2753.27 mmol gPOM-1 h-1, which represents a record value among all the POM-based photocatalytic systems. Remarkablely, an extremely high hydrogen yield of 3647.28 mmol gPOM-1 h-1 was achieved with simultaneous photooxidation of commercial waste plastic, representing the first POM-based photocatalytic system for H2 evolution and waste plastic conversion. This work highlights a straightforward strategy for constructing extremely exposed single-metal site with precise microenvironment by facilely manipulating nanosized molecular cluster to control individual atom.

3.
Neural Regen Res ; 2024 Sep 24.
Artículo en Inglés | MEDLINE | ID: mdl-39314155

RESUMEN

Alzheimer's disease is a common neurodegenerative disorder defined by decreased reasoning abilities, memory loss, and cognitive deterioration. The presence of the blood-brain barrier presents a major obstacle to the development of effective drug therapies for Alzheimer's disease. The use of ultrasound as a novel physical modulation approach has garnered widespread attention in recent years. As a safe and feasible therapeutic and drug-delivery method, ultrasound has shown promise in improving cognitive deficits. This article provides a summary of the application of ultrasound technology for treating Alzheimer's disease over the past 5 years, including standalone ultrasound treatment, ultrasound combined with microbubbles or drug therapy, and magnetic resonance imaging-guided focused ultrasound therapy. Emphasis is placed on the benefits of introducing these treatment methods and their potential mechanisms. We found that several ultrasound methods can open the blood-brain barrier and effectively alleviate amyloid-ß plaque deposition. We believe that ultrasound is an effective therapy for Alzheimer's disease, and this review provides a theoretical basis for future ultrasound treatment methods.

4.
Anal Chem ; 2024 Sep 12.
Artículo en Inglés | MEDLINE | ID: mdl-39264829

RESUMEN

Plasma separation, rich in biomarkers crucial for diagnosis, is conventionally achieved via high-speed centrifugation, a method hindered by its blood usage, lengthy processes, and complex operations, which delays detection. We introduced a novel real-time blood sensing method based on a Janus membrane and enzymes @MOFs. Asymmetric driving of the janus membrane can realize spontaneous separation of plasma and prevent hemolysis during direct separation. Glucose oxidase (GOx), uric acid oxidase (UOx) and horseradish peroxidase (HRP) were encapsulated in a hydrophilic organometallic framework (MOFs) to construct an enzyme cascade nanoreactor. Embedding enzyme in hydrophilic MOFs not only retains the natural conformation of free enzyme but also improves the brittleness of enzyme, endows MOFs with new biological functions, and expands its sensing application. Using 3,3',5,5'-tetramethylbenzidine (TMB) as a chromogen and a custom app for color interpretation, we achieved real-time visualization of glucose (Glu) and uric acid (UA) at a 50 µM limit. The system accurately analyzed serum samples, matching commercial kits and showing promise for portable, personalized diagnostics.

5.
Adv Sci (Weinh) ; : e2403389, 2024 Sep 12.
Artículo en Inglés | MEDLINE | ID: mdl-39264289

RESUMEN

Lysosomes are important cellular structures for human health as centers for recycling, signaling, metabolism and stress adaptation. However, the potential role of lysosomes in stress-related emotions has long been overlooked. Here, it is found that lysosomal morphology in astrocytes is altered in the medial prefrontal cortex (mPFC) of susceptible mice after chronic social defeat stress. A screen of lysosome-related genes revealed that the expression of the mucolipin 1 gene (Mcoln1; protein: mucolipin TRP channel 1) is decreased in susceptible mice and depressed patients. Astrocyte-specific knockout of mucolipin TRP channel 1 (TRPML1) induced depressive-like behaviors by inhibiting lysosomal exocytosis-mediated adenosine 5'-triphosphate (ATP) release. Furthermore, this stress response of astrocytic lysosomes is mediated by the transcription factor EB (TFEB), and overexpression of TRPML1 rescued depressive-like behaviors induced by astrocyte-specific knockout of TFEB. Collectively, these findings reveal a lysosomal stress-sensing signaling pathway contributing to the development of depression and identify the lysosome as a potential target organelle for antidepressants.

6.
Artículo en Inglés | MEDLINE | ID: mdl-39264425

RESUMEN

PURPOSE: An MRI-based risk calculator (RC) has been recommended for diagnosing clinically significant prostate cancer (csPCa). PSMA PET/CT can detect lesions that are not visible on MRI, and the addition of PSMA PET/CT to MRI may improve diagnostic performance. The aim of this study was to incorporate the PRIMARY score or SUVmax derived from [68Ga]Ga-PSMA-11 PET/CT into the RC and compare these models with MRI-based RC to assess whether this can further reduce unnecessary biopsies. METHODS: A total of 683 consecutive biopsy-naïve men who underwent both [68Ga]Ga-PSMA-11 PET/CT and MRI before biopsy were temporally divided into a development cohort (n = 552) and a temporal validation cohort (n = 131). Three logistic regression RCs were developed and compared: MRI-RC, MRI-SUVmax-RC and MRI-PRIMARY-RC. Discrimination, calibration, and clinical utility were evaluated. The primary outcome was the clinical utility of the risk calculators for detecting csPCa and reducing the number of negative biopsies. RESULTS: The prevalence of csPCa was 47.5% (262/552) in the development cohort and 41.9% (55/131) in the temporal validation cohort. In the development cohort, the AUC of MRI-PRIMARY-RC was significantly higher than that of MRI-RC (0.924 vs. 0.868, p < 0.001) and MRI-SUVmax-RC (0.924 vs. 0.904, p = 0.002). In the temporal validation cohort, MRI-PRIMARY-RC also showed the best discriminative ability with an AUC of 0.921 (95% CI: 0.873-0.969). Bootstrapped calibration curves revealed that the model fit was acceptable. MRI-PRIMARY-RC exhibited near-perfect calibration within the range of 0-40%. DCA showed that MRI-PRIMARY-RC had the greatest net benefit for detecting csPCa compared with MRI-RC and MRI-SUVmax-RC at a risk threshold of 5-40% for csPCa in both the development and validation cohorts. CONCLUSION: The addition of the PRIMARY score to MRI-based multivariable model improved the accuracy of risk stratification prior to biopsy. Our novel MRI-PRIMARY prediction model is a promising approach for reducing unnecessary biopsies and improving the early detection of csPCa.

7.
J Thorac Oncol ; 2024 Sep 19.
Artículo en Inglés | MEDLINE | ID: mdl-39306192

RESUMEN

INTRODUCTION: An increasing number of early-stage lung adenocarcinoma (LUAD) are detected as lung nodules. The radiological features related to LUAD progression remain further investigation. Exploration is required to bridge the gap between radiomics features and molecular characteristics of lung nodules. METHODS: Consensus clustering was applied to the radiomics features of 1,212 patients to establish stable clustering. Clusters were illustrated using clinicopathological and next-generation sequencing (NGS). A classifier was constructed to further investigate the molecular characteristic in patients with paired CT and RNA-seq data. RESULTS: Patients were clustered into 4 clusters. Cluster 1 was associated with a low consolidation-to-tumor ratio (CTR), pre-invasion, grade I disease and good prognosis. Clusters 2 and 3 showed increasing malignancy with higher CTR, higher pathological grade and poor prognosis. Cluster 2 possessed more spread through air spaces (STAS) and cluster 3 showed higher proportion of pleural invasion. Cluster 4 had similar clinicopathological features with cluster 1 except higher proportion of grade II disease. RNA-seq indicated that cluster 1 represented nodules with indolent growth and good differentiation, whereas cluster 4 showed progression in cell development but still had low proliferative activity. Nodules with high proliferation were classified into clusters 2 and 3. Additionally, the radiomics classifier distinguished cluster 2 as nodules harboring an activated immune environment, while cluster 3 represented nodules with a suppressive immune environment. Furthermore, gene signatures associated with the prognosis of early-stage LUAD were validated in external datasets. CONCLUSION: Radiomics features can manifest molecular events driving progression of lung adenocarcinoma. Our study provides a molecular insight into radiomics features and assists in the diagnosis and treatment of early stage LUAD.

8.
Artículo en Inglés | MEDLINE | ID: mdl-39261123

RESUMEN

Streptococcus oralis, belonging to the viridans group streptococci (VGS), has been considered a component of the normal flora predominantly inhabiting the oral cavity. In recent years, a growing body of literature has revealed that dental procedures or daily tooth brushing activities can cause the spread of S. oralis from the oral cavity into various body sites leading to life-threatening opportunistic infections such as infective endocarditis (IE) and meningitis. However, very little is currently known about the pathogenicity of S. oralis. Thus, the aim of this review is to update the current understanding of the pathogenic potential of S. oralis to pave the way for the prevention and treatment of S. oralis opportunistic infections.

9.
ACS Nano ; 2024 Sep 05.
Artículo en Inglés | MEDLINE | ID: mdl-39238258

RESUMEN

Rescuing or compensating mitochondrial function represents a promising therapeutic avenue for radiation-induced chronic wounds. Adult stem cell efficacies are primarily dependent on the paracrine secretion of mitochondria-containing extracellular vesicles (EVs). However, effective therapeutic strategies addressing the quantity of mitochondria and mitochondria-delivery system are lacking. Thus, in this study, we aimed to design an effective hydrogel microneedle patch (MNP) loaded with stem cell-derived mitochondria-rich EVs to gradually release and deliver mitochondria into the wound tissues and boost wound healing. We, first, used metformin to enhance mitochondrial biogenesis and thereby increasing the secretion of mitochondria-containing EVs (termed "Met-EVs") in adipose-derived stem cells. To verify the therapeutic effects of Met-EVs, we established an in vitro and an in vivo model of X-ray-induced mitochondrial dysfunction. The Met-EVs ameliorated the mitochondrial dysfunction by rescuing mitochondrial membrane potential, increasing adenosine 5'-triphosphate levels, and decreasing reactive oxygen species production by transferring active mitochondria. To sustain the release of EVs into damaged tissues, we constructed a Met-EVs@Decellularized Adipose Matrix (DAM)/Hyaluronic Acid Methacrylic Acid (HAMA)-MNP. Met-EVs@DAM/HAMA-MNP can load and gradually release Met-EVs and their contained mitochondria into wound tissues to alleviate mitochondrial dysfunction. Moreover, we found Met-EVs@DAM/HAMA-MNP can markedly promote macrophage polarization toward the M2 subtype with anti-inflammatory and regenerative functions, which can, in turn, enhance the healing process in mice with skin wounds combined radiation injuries. Collectively, we successfully fabricated a delivery system for EVs, Met-EVs@DAM/HAMA-MNP, to effectively deliver stem cell-derived mitochondria-rich EVs. The effectiveness of this system has been demonstrated, holding great potential for chronic wound treatments in clinic.

10.
Stroke Vasc Neurol ; 2024 Sep 13.
Artículo en Inglés | MEDLINE | ID: mdl-39277180

RESUMEN

OBJECTIVES: Despite the potential spillover effect, the optimal duration of dual antiplatelet therapy for minor stroke within 72 hours of symptom onset is still uncertain. METHODS: Safety and Efficacy of Aspirin-Clopidogrel in Acute Noncardiogenic Minor Ischemic Stroke (National Institutes of Health Stroke Scale (NIHSS) score≤5) is a prospective cohort study involving patients with minor ischaemic stroke within 72 hours of symptom onset. The DAPT group was further categorised into three subgroups: shorter duration (<10 days), short duration (10-21 days) and long duration (>21 days). The primary efficacy and safety outcomes were composite vascular event and severe bleeding during 90 days. RESULTS: Among 3061 eligible patients (age was 61.7±12.0 years, 73.3% were men, median (IQR) NIHSS score, 2 (1-3)), 2977 (97.4%) completed the follow-up. Dual antiplatelet therapy (DAPT) and single antiplatelet therapy (SAPT) were administered in 61.0% and 39.0% of patients. Among them, 305 patients (16.8%) received a shorter duration of DAPT, 937 patients (51.7%) received a short duration and 572 patients (31.5%) received a long duration. In the propensity-weighted Cox proportional hazards regression analysis, the use of DAPT in the short-duration group was associated with a lower risk of the primary vascular event outcome (HR (HR)=0.66, 95% CI 0.46 to 0.94, p=0.02) compared with SAPT group. The incidence of severe bleeding events at 90 days was similar. Similar findings were obtained from the propensity score-matching analysis. CONCLUSION: Short duration of DAPT (10-21 days) is superior to SAPT in minor stroke within 72 hours, reducing 90-day composite vascular events without increasing bleeding risk.

11.
Ecotoxicol Environ Saf ; 283: 116985, 2024 Sep 15.
Artículo en Inglés | MEDLINE | ID: mdl-39217894

RESUMEN

Cigarette smoke, a complex mixture produced by tobacco combustion, contains a variety of carcinogens and can trigger DNA damage. Overactivation of c-MET, a receptor tyrosine kinase, may cause cancer and cellular DNA damage, but the underlying mechanisms are unknown. In this work, we investigated the mechanisms of cigarette smoke extract (CSE) induced malignant transformation and DNA damage in human bronchial epithelial cells (BEAS-2B). The results demonstrated that CSE treatment led to up-regulated mRNA expression of genes associated with the c-MET signaling pathway, increased expression of the DNA damage sensor protein γ-H2AX, and uncontrolled proliferation in BEAS-2B cells. ATR, ATR, and CHK2, which are involved in DNA damage repair, as well as the phosphorylation of c-MET and a group of kinases (ATM, ATR, CHK1, CHK2) involved in the DNA damage response were all activated by CSE. In addition, CSE activation promotes the phosphorylation modification of ATR, CHK1 proteins associated with DNA damage repair. The addition of PHA665752, a specific inhibitor of c-MET, or knock-down with c-MET both attenuated DNA damage, while overexpression of c-MET exacerbated DNA damage. Thus, c-MET phosphorylation may be involved in CSE-induced DNA damage, providing a potential target for intervention in the prevention and treatment of smoking-induced lung diseases.


Asunto(s)
Bronquios , Daño del ADN , Células Epiteliales , Nicotiana , Proteínas Proto-Oncogénicas c-met , Humo , Humanos , Proteínas Proto-Oncogénicas c-met/metabolismo , Fosforilación/efectos de los fármacos , Células Epiteliales/efectos de los fármacos , Bronquios/efectos de los fármacos , Bronquios/citología , Humo/efectos adversos , Transformación Celular Neoplásica/efectos de los fármacos , Transformación Celular Neoplásica/inducido químicamente , Línea Celular , Transducción de Señal/efectos de los fármacos , Productos de Tabaco
12.
Food Chem Toxicol ; 192: 114926, 2024 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-39147356

RESUMEN

Valproic acid (VPA), a common antiepileptic drug, can cause liver steatosis after long-term therapy. However, an impact of ferroptosis on VPA-induced liver steatosis has not been investigated. In the study, treatment with VPA promoted ferroptosis in the livers of mice by elevating ferrous iron (Fe2+) levels derived from the increased absorption by transferrin receptor 1 (TFR1) and the decreased storage by ferritin (FTH1 and FTL), disrupting the redox balance via reduced levels of solute carrier family 7 member 11 (SLC7A11), glutathione (GSH), and glutathione peroxidase 4 (GPX4), and augmenting acyl-CoA synthetase long-chain family member 4 (ACSL4) -mediated lipid peroxide generation, accompanied by enhanced liver steatosis. All the changes were significantly reversed by co-treatment with an iron-chelating agent, deferoxamine mesylate (DFO) and a ferroptosis inhibitor, ferrostatin-1 (Fer-1). Similarly, the increases in Fe2+, TFR1, and ACSL4 levels, as well as the decreases in GSH, GPX4, and ferroportin (FPN) levels, were detected in VPA-treated HepG2 cells. These changes were also attenuated after co-treatment with Fer-1. It demonstrates that ferroptosis promotes VPA-induced liver steatosis through iron overload, inhibition of the GSH-GPX4 axis, and upregulation of ACSL4. It offers a potential therapy targeting ferroptosis for patients with liver steatosis following VPA treatment.


Asunto(s)
Coenzima A Ligasas , Hígado Graso , Ferroptosis , Fosfolípido Hidroperóxido Glutatión Peroxidasa , Receptores de Transferrina , Ácido Valproico , Ferroptosis/efectos de los fármacos , Animales , Ácido Valproico/toxicidad , Ratones , Fosfolípido Hidroperóxido Glutatión Peroxidasa/metabolismo , Coenzima A Ligasas/metabolismo , Coenzima A Ligasas/genética , Humanos , Hígado Graso/inducido químicamente , Hígado Graso/metabolismo , Masculino , Receptores de Transferrina/metabolismo , Receptores de Transferrina/genética , Hierro/metabolismo , Ratones Endogámicos C57BL , Ferritinas/metabolismo , Glutatión/metabolismo , Células Hep G2 , Sistema de Transporte de Aminoácidos y+/metabolismo , Sistema de Transporte de Aminoácidos y+/genética , Hígado/efectos de los fármacos , Hígado/metabolismo
13.
Nutrition ; 127: 112536, 2024 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-39182329

RESUMEN

OBJECTIVE: We assessed the impact and prognostic significance of alterations in muscle quality and quantity (myosteatosis and sarcopenia, respectively) in patients with esophageal cancer treated with radiotherapy (RT). METHODS: We retrospectively pooled 258 patients with esophageal squamous cell cancer who underwent RT. Myosteatosis and sarcopenia were determined based on the skeletal muscle index derived from the muscle area and attenuation at the L3 level from computed tomography images. Subgroups were formed as 2 subgroups of non-sarcopenia/myosteatosis and sarcopenia/myosteatosis (with or without other muscle status) at either timepoint of RT, 3 subgroups of only-sarcopenia, only myosteatosis (without other muscle status), and the co-presence of sarcopenia and myosteatosis at either timepoint of RT, as well as 4 subgroups of continuous sarcopenia/myosteatosis, developed sarcopenia/myosteatosis, reduced sarcopenia/myosteatosis and non-sarcopenia/myosteatosis according to alterations of muscle status at both timepoints of RT. Overall survival (OS) was compared. Univariate and multivariate analyses based on Cox regression identified independent risk factors for prognosis. RESULTS: Either pre- or post-RT, patients with sarcopenia and myosteatosis (with or without other muscle status) had poor OS. Patients with only myosteatosis (without other muscle status) showed the best OS (1352 days pre-RT vs. 1648 days post-RT), while patients with concurrent myosteatosis and sarcopenia had the worst OS (907 days pre-RT vs. 706 days post-RT). The ascending order of OS for sarcopenia alterations was as follows: continuous sarcopenia (1093 days), non-sarcopenia (1740 days), developed sarcopenia (2187 days), and reduced sarcopenia (2208 days) (P = 0.002). The ascending order of OS for myosteatosis alterations was ranked as follows: continuous myosteatosis (1165 days), reduced myosteatosis (1275 days), developed myosteatosis (1783 days), and non-myosteatosis (1942 days) (P = 0.061). Univariate and multivariate Cox regression analyses revealed that increased age, longer tumor length, developed myosteatosis, and continuous myosteatosis were independent prognostic factors for OS. CONCLUSIONS: Muscle mass status at presentation and alterations in patients with esophageal cancer before and after RT should be considered prognostic indicators.


Asunto(s)
Neoplasias Esofágicas , Carcinoma de Células Escamosas de Esófago , Músculo Esquelético , Sarcopenia , Humanos , Sarcopenia/etiología , Masculino , Femenino , Estudios Retrospectivos , Pronóstico , Neoplasias Esofágicas/radioterapia , Neoplasias Esofágicas/mortalidad , Neoplasias Esofágicas/complicaciones , Persona de Mediana Edad , Anciano , Carcinoma de Células Escamosas de Esófago/radioterapia , Carcinoma de Células Escamosas de Esófago/mortalidad , Carcinoma de Células Escamosas de Esófago/complicaciones , Músculo Esquelético/efectos de la radiación , Tomografía Computarizada por Rayos X/métodos , Carcinoma de Células Escamosas/radioterapia , Carcinoma de Células Escamosas/mortalidad , Carcinoma de Células Escamosas/complicaciones , Factores de Riesgo , Modelos de Riesgos Proporcionales
14.
Int Immunopharmacol ; 141: 112794, 2024 Nov 15.
Artículo en Inglés | MEDLINE | ID: mdl-39137626

RESUMEN

In China, the Astragalus membranaceus root is used to treat chronic kidney disease. Astragaloside IV (AS-IV), the primary bioactive compound, exhibits anti-inflammatory and antioxidative properties; however, its renoprotective mechanism in diabetic kidney disease (DKD) remains unclear. The study aimed to investigate the protective effects of AS-IV on DKD revealing the underlying mechanisms. We established an early diabetic rat model by feeding a high-fat diet and administering low-dose streptozotocin. Twelve weeks post-treatment, renal function was evaluated using functional assays, histological analyses, immunohistochemistry, western blotting, and transmission electron microscopy. HK-2 cells exposed to high glucose conditions were used to examine the effect of AS-IV on oxidative stress, iron levels, reactive oxygen species (ROS), and lipid peroxidation. Network pharmacology, proteomics, molecular docking, and molecular dynamics simulation techniques were employed to elucidate the role of AS-IV in DKD. The results revealed that AS-IV effectively enhanced renal function and mitigated disease pathology, oxidative stress, and ferroptosis markers in DKD rats. In HK-2 cells, AS-IV lowered the levels of lipid peroxides, Fe2+, and glutathione, indicating the repair of ferroptosis-related mitochondrial damage. AS-IV reduced mitochondrial ROS while enhancing mitochondrial membrane potential and ATP production, indicating its role in combating mitochondrial dysfunction. Overall, in silico analyses revealed that AS-IV interacts with HMOX1, FTH1, and TFR1 proteins, supporting its efficacy in alleviating renal injury by targeting mitochondrial dysfunction and ferroptosis. AS-IV may play a renoprotective role by regulating mitochondrial dysfunction and inhibiting. HMOX1/FTH1/TFR1-induced ferroptosis. Accordingly, AS-IV could be developed for the clinical treatment of DKD-related renal injury.


Asunto(s)
Diabetes Mellitus Experimental , Nefropatías Diabéticas , Células Epiteliales , Ferroptosis , Túbulos Renales , Mitocondrias , Saponinas , Triterpenos , Animales , Ferroptosis/efectos de los fármacos , Nefropatías Diabéticas/tratamiento farmacológico , Nefropatías Diabéticas/patología , Saponinas/farmacología , Saponinas/uso terapéutico , Triterpenos/farmacología , Triterpenos/uso terapéutico , Humanos , Masculino , Mitocondrias/efectos de los fármacos , Mitocondrias/metabolismo , Ratas , Diabetes Mellitus Experimental/tratamiento farmacológico , Línea Celular , Túbulos Renales/patología , Túbulos Renales/efectos de los fármacos , Células Epiteliales/efectos de los fármacos , Ratas Sprague-Dawley , Estrés Oxidativo/efectos de los fármacos , Especies Reactivas de Oxígeno/metabolismo , Simulación del Acoplamiento Molecular
15.
Animals (Basel) ; 14(16)2024 Aug 16.
Artículo en Inglés | MEDLINE | ID: mdl-39199916

RESUMEN

In recent years, genome-wide association studies (GWAS) and metabolome genome-wide association studies (mGWAS) have emerged as crucial methods for investigating complex traits in animals and plants. These have played pivotal roles in research on livestock and poultry breeding, facilitating a deeper understanding of genetic diversity, the relationship between genes, and genetic bases in livestock and poultry. This article provides a review of the applications of GWAS and mGWAS in animal genetic breeding, aiming to offer reference and inspiration for relevant researchers, promote innovation in animal genetic improvement and breeding methods, and contribute to the sustainable development of animal husbandry.

16.
Infect Drug Resist ; 17: 3425-3438, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-39145118

RESUMEN

Purpose: Early empiric antibiotics were prescribed to numerous patients during the Coronavirus disease 2019 (COVID-19) pandemic. However, the potential impact of empiric antibiotic therapy on the clinical outcomes of patients hospitalized with COVID-19 is yet unknown. Methods: In this retrospective cohort study, early antibiotics use cohort was defined as control group, which was compared with no antibiotic use and delayed antibiotic use cohorts for all-cause mortality during hospitalization. The 1:2 propensity score matched patient populations were further developed to adjust confounding factors. Survival curves were compared between different cohorts using a Log rank test to assess the early antibiotic effectiveness. Results: We included a total of 1472 COVID-19 hospitalized patients, of whom 87.4% (1287 patients) received early antibiotic prescriptions. In propensity-score-matched datasets, our analysis comprised 139 patients with non-antibiotic use (with 278 matched controls) and 27 patients with deferred-antibiotic use (with 54 matched controls). Patients with older ages, multiple comorbidities, severe and critical COVID-19 subtypes, higher serum infection indicators, and inflammatory indicators at admission were more likely to receive early antibiotic prescriptions. After adjusting confounding factors likely to influence the prognosis, there is no significant difference in all-cause mortality (HR=1.000(0.246-4.060), p = 1.000) and ICU admission (HR=0.436(0.093-2.04), p = 0.293), need for mechanical ventilation (HR=0.723(0.296-1.763), p = 0.476) and tracheal intubation (HR=1.338(0.221-8.103), p = 0.751) were observed between early antibiotics use cohort and non-antibiotic use cohort. Conclusion: Early antibiotics were frequently prescribed to patients in more severe disease condition at admission. However, early antibiotic treatment failed to demonstrate better clinical outcomes in hospitalized patients with COVID-19 in the propensity-score-matched cohorts.

17.
Sci Rep ; 14(1): 18900, 2024 08 14.
Artículo en Inglés | MEDLINE | ID: mdl-39143315

RESUMEN

To investigate whether peritumoral edema (PE) could enhance deep learning radiomic (DLR) model in predicting axillary lymph node metastasis (ALNM) burden in breast cancer. Invasive breast cancer patients with preoperative MRI were retrospectively enrolled and categorized into low (< 2 lymph nodes involved (LNs+)) and high (≥ 2 LNs+) burden groups based on surgical pathology. PE was evaluated on T2WI, and intra- and peri-tumoral radiomic features were extracted from MRI-visible tumors in DCE-MRI. Deep learning models were developed for LN burden prediction in the training cohort and validated in an independent cohort. The incremental value of PE was evaluated through receiver operating characteristic (ROC) analysis, confirming the improvement in the area under the curve (AUC) using the Delong test. This was complemented by net reclassification improvement (NRI) and integrated discrimination improvement (IDI) metrics. The deep learning combined model, incorporating PE with selected radiomic features, demonstrated significantly higher AUC values compared to the MRI model and the DLR model in the training cohort (n = 177) (AUC: 0.953 vs. 0.849 and 0.867, p < 0.05) and the validation cohort (n = 111) (AUC: 0.963 vs. 0.883 and 0.882, p < 0.05). The complementary analysis demonstrated that PE significantly enhances the prediction performance of the DLR model (Categorical NRI: 0.551, p < 0.001; IDI = 0.343, p < 0.001). These findings were confirmed in the validation cohort (Categorical NRI: 0.539, p < 0.001; IDI = 0.387, p < 0.001). PE improved preoperative ALNM burden prediction of DLR model, facilitating personalized axillary management in breast cancer patients.


Asunto(s)
Axila , Neoplasias de la Mama , Aprendizaje Profundo , Ganglios Linfáticos , Metástasis Linfática , Imagen por Resonancia Magnética , Humanos , Femenino , Neoplasias de la Mama/patología , Neoplasias de la Mama/diagnóstico por imagen , Imagen por Resonancia Magnética/métodos , Persona de Mediana Edad , Metástasis Linfática/diagnóstico por imagen , Estudios Retrospectivos , Ganglios Linfáticos/patología , Ganglios Linfáticos/diagnóstico por imagen , Edema/diagnóstico por imagen , Edema/patología , Adulto , Anciano , Curva ROC , Radiómica
18.
Chem Sci ; 15(32): 13021-13031, 2024 Aug 14.
Artículo en Inglés | MEDLINE | ID: mdl-39148794

RESUMEN

The environmental concern posed by toxic heavy metal pollution in soil and water has grown. Ca-based layered double hydroxides (LDHs) have shown exceptional efficacy in eliminating heavy metal cations through the formation of super-stable mineralization structures (SSMS). Nevertheless, it is still unclear how the intricate coordination environment of Ca2+ in Ca-based LDH materials affects the mineralization performance, which hinders the development and application of Ca-based LDH materials as efficient mineralizers. Herein, we discover that, in comparison to a standard LDH, the mineralization efficiency for Cd2+ ions may be significantly enhanced in the pentacoordinated structure of defect-containing Ca-5-LDH utilizing both density functional theory (DFT) and ab initio molecular dynamics (AIMD) simulations. Furthermore, the calcination-reconstruction technique can be utilized to successfully produce pentacoordinated Ca-5-LDH. Subsequent investigations verified that Ca-5-LDH exhibited double the mineralization performance (421.5 mg g-1) in comparison to the corresponding pristine seven coordinated Ca-7OH/H2O-LDH (191.2 mg g-1). The coordination-relative mineralization mechanism of Ca-based LDH was confirmed by both theoretical calculations and experimental results. The understanding of LDH materials and their possible use in environmental remediation are advanced by this research.

19.
Infect Drug Resist ; 17: 3483-3490, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-39157747

RESUMEN

Aseptic abscess (AA) syndrome is a rare inflammatory disorder often associated with inflammatory bowel disease (IBD). Cases of IBD-associated AA have been reported in Japan, India, and Canada, but rarely in China. Herein, we present the case of a Chinese patient with IBD-associated AAs and review the literature on AA with underlying IBD. We report the case of a 48-year-old male patient with multiple AAs on his left hand and lungs who was successfully treated with prednisone. He had undergone cutaneous abscess incision and drainage twice in the previous 2 years. The patient presented to our hospital with ulcerative colitis and pain in the dorsum of the left hand. Pus from his hand and blood cultures revealed sterile cutaneous abscesses. Chest computed tomography examination during hospitalization revealed a lung abscess. The AA was unresponsive to cefotiam or cefoperazone-sulbactam. The patient's left hand and lung conditions did not improve until prednisone was administered. The patient was followed up as an outpatient for 3 months and recovered without any clinical symptoms. We retrieved 17 cases of IBD-associated AA from the literature. None of the patients showed evidence of infection and failed antibiotic treatment, and all improved with corticosteroid use. AA may be an extra-intestinal manifestation of IBD. Effective medications include corticosteroids and immunosuppressive agents. This case may increase the awareness of AA and aid in early identification.

20.
Sci Total Environ ; 951: 175506, 2024 Nov 15.
Artículo en Inglés | MEDLINE | ID: mdl-39151631

RESUMEN

The Great Wall, as a World Heritage Site, is constructed with rammed earth and is currently facing the threat of erosion from wind and rain. Vascular plants and biocrusts are the main coverings of the Great Wall, and their role in mitigating soil erosion has attracted increased amounts of attention; however, the understanding of their underlying mechanisms is limited. Here, we conducted an extensive survey of vascular plants, biocrusts, soil properties (soil organic and inorganic binding materials, aggregates, and texture), soil aggregate stability, and soil erodibility at the top of the Great Wall in four different defensive zones in Northwest China. Vascular plants covered 13.6 % to 63.9 % of the tops of the Great Wall, and their rich diversity was mainly derived from perennial herbs. Moss, lichen, and cyanobacterial crusts collectively covered 36.3 % to 67.8 % of the top of the Great Wall. Redundancy analysis and structural equation modeling revealed that the synergistic effects of vascular plants and biocrusts enhanced soil aggregation stability (including geometric mean diameter, GMD; water-stable macroaggregate content, R) by increasing the accumulation of soil organic carbon (SOC), amorphous iron oxide (Feo), and amorphous alumina (Alo) and promoting the formation of macroaggregates (ASD>0.25 mm) and microaggregates (ASD0.053-0.25 mm). Furthermore, soil erodibility was primarily influenced negatively by the synergistic promotion of SOC accumulation by vascular plants and biocrusts and positively by the reduction in soil sand (PSD>0.05 mm) content by biocrusts. Our work highlights the mechanisms and importance of vascular plants and biocrusts as natural covers for altering the intrinsic properties of soil for the protection of the Great Wall. These findings provide reliable theoretical support for the protection of the Great Wall from erosion by vascular plants and biocrusts and offer new insights for the conservation of global earthen sites and similar wall habitats.


Asunto(s)
Suelo , China , Suelo/química , Erosión del Suelo , Plantas
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