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1.
Biomaterials ; 313: 122803, 2025 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-39232334

RESUMEN

Bacteria-infected wounds pose challenges to healing due to persistent infection and associated damage to nerves and vessels. Although sonodynamic therapy can help kill bacteria, it is limited by the residual oxidative stress, resulting in prolonged inflammation. To tackle these barriers, novel 4 octyl itaconate-coated Li-doped ZnO/PLLA piezoelectric composite microfibers are developed, offering a whole-course "targeted" treatment under ultrasound therapy. The inclusion of Li atoms causes the ZnO lattice distortion and increases the band gap, enhancing the piezoelectric and sonocatalytic properties of the composite microfibers, collaborated by an aligned PLLA conformation design. During the infection and inflammation stages, the piezoelectric microfibers exhibit spatiotemporal-dependent therapeutic effects, swiftly eliminating over 94.2 % of S. aureus within 15 min under sonodynamic therapy. Following this phase, the microfibers capture reactive oxygen species and aid macrophage reprogramming, restoring mitochondrial function, achieving homeostasis, and shortening inflammation cycles. As the wound progresses through the healing stages, bioactive Zn2+ and Li + ions are continuously released, improving cell recruitment, and the piezoelectrical stimulation enhances wound recovery with neuro-vascularization. Compared to commercially available dressings, our microfibers accelerate the closure of rat wounds (Φ = 15 mm) without scarring in 12 days. Overall, this "one stone, four birds" wound management strategy presents a promising avenue for infected wound therapy.


Asunto(s)
Terapia por Ultrasonido , Cicatrización de Heridas , Animales , Cicatrización de Heridas/efectos de los fármacos , Terapia por Ultrasonido/métodos , Ratas Sprague-Dawley , Ratas , Staphylococcus aureus/efectos de los fármacos , Óxido de Zinc/química , Ratones , Estimulación Eléctrica , Masculino , Infecciones Estafilocócicas/terapia , Poliésteres/química , Especies Reactivas de Oxígeno/metabolismo , Terapia por Estimulación Eléctrica/métodos , Neovascularización Fisiológica/efectos de los fármacos
2.
Mycology ; 15(3): 400-423, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-39247897

RESUMEN

The arthroconidial yeast-like species currently classified in the asexual genera Geotrichum and Saprochaete and the sexual genera Dipodascus, Galactomyces and Magnusiomyces are frequently associated with dairy and cosmetics production, fruit rot and human infection. However, the taxonomic system of these fungi has not been updated to accommodate the new nomenclature code adopting the "one fungus, one name" principle. Here, we performed phylogenetic analyses of these yeast-like species based on the sequences of the internal transcribed spacer (ITS) region and the D1/D2 domain of the large subunit of the rRNA gene. Two monophyletic groups were recognised from these species. One group contained Dipodascus, Galactomyces, and Geotrichum species and the other Magnusiomyces and Saprochaete species. We thus assigned the species in each group into one genus and selected the genus name Geotrichum for the first group and Magnusiomyces for the second one based on the principle of priority of publication. Five new Geotrichum species were identified from arthroconidial yeast strains recently isolated from various sources in China. The new species are described as Ge. dehoogii sp. nov., Ge. fujianense sp. nov., Ge. maricola sp. nov., Ge. smithiae sp. nov., and Ge. sinensis sp. nov.

4.
bioRxiv ; 2024 Aug 19.
Artículo en Inglés | MEDLINE | ID: mdl-39229102

RESUMEN

Background: Osteoarthritis (OA) is a painful degenerative joint disease and a leading source of years lived with disability globally due to inadequate treatment options. Neuroimmune interactions reportedly contribute to OA pain pathogenesis. Notably, in rodents, macrophages in the DRG are associated with onset of persistent OA pain. Our objective was to determine the effects of acute systemic macrophage depletion on pain-related behaviors and joint damage using surgical mouse models in both sexes. Methods: We depleted CSF1R+ macrophages by treating male macrophage Fas-induced apoptosis (MaFIA) transgenic mice 8- or 16-weeks post destabilization of the medial meniscus (DMM) with AP20187 or vehicle control (10 mg/kg i.p., 1x/day for 5 days), or treating female MaFIA mice 12 weeks post partial meniscectomy (PMX) with AP20187 or vehicle control. We measured pain-related behaviors 1-3 days before and after depletion, and, 3-4 days after the last injection we examined joint histopathology and performed flow cytometry of the dorsal root ganglia (DRGs). In a separate cohort of male 8-week DMM mice or age-matched naïve vehicle controls, we conducted DRG bulk RNA-sequencing analyses after the 5-day vehicle or AP20187 treatment. Results: Eight- and 16-weeks post DMM in male mice, AP20187-induced macrophage depletion resulted in attenuated mechanical allodynia and knee hyperalgesia. Female mice showed alleviation of mechanical allodynia, knee hyperalgesia, and weight bearing deficits after macrophage depletion at 12 weeks post PMX. Macrophage depletion did not affect the degree of cartilage degeneration, osteophyte width, or synovitis in either sex. Flow cytometry of the DRG revealed that macrophages and neutrophils were reduced after AP20187 treatment. In addition, in the DRG, only MHCII+ M1-like macrophages were significantly decreased, while CD163+MHCII- M2-like macrophages were not affected in both sexes. DRG bulk RNA-seq revealed that Cxcl10 and Il1b were upregulated with DMM surgery compared to naïve mice, and downregulated in DMM after acute macrophage depletion. Conclusions: Acute systemic macrophage depletion reduced the levels of pro-inflammatory macrophages in the DRG and alleviated pain-related behaviors in established surgically induced OA in mice of both sexes, without affecting joint damage. Overall, these studies provide insight into immune cell regulation in the DRG during OA.

5.
Food Chem ; 463(Pt 1): 141097, 2024 Sep 02.
Artículo en Inglés | MEDLINE | ID: mdl-39244997

RESUMEN

Cold maceration (CM) is widely applied in winemaking to improve wine aroma and overall quality. However, more efficient CM techniques for industrial-scale winemaking are still needed. This study examined the impact of CM with indigenous cryotolerant Metschnikowia pulcherrima Mp0520 (Mp-CM) on the Muscat wine aromatic characteristics. The results demonstrated a significant divergence in the types and concentrations of aroma compounds between Mp-CM wine and the control. The Mp-CM wine exhibited a significantly higher terpenes content, resulting in a Muscat wine characterized by terpenes, compared to the control predominated by esters. Additionally, the Mp-CM wine demonstrated elevated levels of α-terpineol and terpinolene, potentially enhancing the varietal aroma stability of Muscat wine. Furthermore, Mp-CM gave Muscat wine a heightened fruity aroma and a more complex aroma. These findings suggested that the Mp-CM utilized in this study offered promising avenues for enhancing the variety aroma characteristics of Muscat wine on large scale winemaking.

6.
Scand J Med Sci Sports ; 34(9): e14725, 2024 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-39245921

RESUMEN

The relationship between structural changes in the cerebral gray matter and diminished balance control performance in patients with chronic ankle instability (CAI) has remained unclear. This paper aimed to assess the difference in gray matter volume (GMV) between participants with CAI and healthy controls (HC) and to characterize the role of GMV in the relationship between disease duration and balance performance in CAI. 42 participants with CAI and 33 HC completed the structural brain MRI scans, one-legged standing test, and Y-balance test. Regional GMV was measured by applying voxel-based morphometry methods. The result showed that, compared with HC, participants with CAI exhibited lower GMV in multiple brain regions (familywise error [FWE] corrected p < 0.021). Within CAI only, but not in HC, lower GMV in the thalamus (ß = -0.53, p = 0.003) and hippocampus (ß = -0.57, p = 0.001) was associated with faster sway velocity of the center of pressure (CoP) in eyes closed condition (i.e., worse balance control performance). The GMV in the thalamus (percentage mediated [PM] = 32.02%; indirect effect ß = 0.119, 95% CI = 0.003 to 0.282) and hippocampus (PM = 33.71%; indirect effect ß = 0.122, 95% CI = 0.005 to 0.278) significantly mediated the association between the disease duration and balance performance. These findings suggest that the structural characteristics of the supraspinal elements is critical to the maintenance of balance control performance in individuals suffering from CAI, which deserve careful consideration in the management and rehabilitation programs in this population.


Asunto(s)
Articulación del Tobillo , Sustancia Gris , Inestabilidad de la Articulación , Imagen por Resonancia Magnética , Equilibrio Postural , Humanos , Equilibrio Postural/fisiología , Masculino , Inestabilidad de la Articulación/fisiopatología , Inestabilidad de la Articulación/diagnóstico por imagen , Femenino , Adulto Joven , Sustancia Gris/diagnóstico por imagen , Sustancia Gris/patología , Articulación del Tobillo/diagnóstico por imagen , Articulación del Tobillo/fisiopatología , Articulación del Tobillo/patología , Estudios de Casos y Controles , Adulto , Enfermedad Crónica , Tálamo/diagnóstico por imagen , Tálamo/patología , Tálamo/fisiopatología , Hipocampo/diagnóstico por imagen , Hipocampo/patología , Factores de Tiempo
7.
Pest Manag Sci ; 2024 Sep 09.
Artículo en Inglés | MEDLINE | ID: mdl-39248013

RESUMEN

BACKGROUND: DEAD-box protein (DDX) is a member of the DDX RNA helicase family that exerts multiple functions in RNA metabolism, cell cycle, tumorigenesis, signal pathway, and fertility, particularly in mammals. Nevertheless, the biological functions of DDXs in insects have not been fully resolved and attracted increasing attention these years. Laodelphax striatellus (Hemiptera) is a notorious rice pest through feeding on rice sap and transmitting plant viruses. In this study, we aim to elucidate the functional characterization of DDXs in L. striatellus, and to exploit potential target genes for the development of pest control strategies. RESULTS: In this study, we characterized the expression patterns of LsDDX6, LsDDX47, and LsDDX51 in planthoppers and analyzed their conserved motifs. These genes were found to be expressed in all tissues and developmental stages examined, with significantly higher transcript levels observed in the ovary. Knockdown of LsDDX6, LsDDX47, and LsDDX51 resulted in an obvious lethal phenotype in nymphs and abnormal ovarian development in adults. Furthermore, a total of 27 DDXs were identified in L. striatellus, and most DDXs were highly expressed in ovary and structure analysis result revealed that all of the DDXs possessed nine motifs that were unique to the DDX family. CONCLUSION: The three DDX RNA helicases (LsDDX6, LsDDX47, and LsDDX51) are essential for both survivorship and reproduction in L. striatellus. Considering a total number of 27 DDXs identified in L. striatellus, they might serve as promising candidates for application in RNAi-based control of this destructive pest. © 2024 Society of Chemical Industry.

8.
Artículo en Inglés | MEDLINE | ID: mdl-39235754

RESUMEN

Plant fatty acids (FAs) are critical components of lipids and play an important role in coping with pollution-induced stress. However, the relationship between the fluctuating changes of FAs and the toxic effects of pollutants is not clear. Here, we analyzed and identified 19 FAs, namely 14 medium and long chain fatty acids (MLCFAs) and 5 very long chain fatty acids (VLCFAs). First, a positive correlation between plant biomass and LCFA content was observed. Changes in unsaturation were inversely related to cell membrane permeability, which serves as an indicator of the toxic effects. In particular, the use of herbicides led to a reduction in total FA content, but caused a significant increase in free fatty acids (FFAs), which facilitate oxidative stress. In addition, supplementation with exogenous FAs, particularly linoleic and alpha-linolenic acids, effectively alleviated the toxic inhibition. (R)-dichlorprop causes abnormal FA metabolism that can be reversed by ferrostatin-1, a ferroptosis inhibitor. Under (R)-dichlorprop exposure, the balance of FA unsaturation in plants is disrupted by inhibition of FA desaturase activity, ultimately leading to ferroptosis and disruption of cell membrane integrity. This study aims to enhance the understanding of the ecotoxic effects of herbicides by examining changes in FAs. The findings will provide a scientific basis for controlling environmental risks associated with hazardous substances.

9.
Front Pharmacol ; 15: 1393861, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-39239648

RESUMEN

Background: Hepatitis B, often leading to Hepatocellular carcinoma (HCC), poses a major global health challenge. While Tenofovir (TDF) and Entecavir (ETV) are potent treatments, their comparative effectiveness in improving recurrence-free survival (RFS) and overall survival (OS) rates in HBV-related HCC is not well-established. Methods: We conducted an individual patient data meta-analysis using survival data from randomized trials and high-quality propensity score-matched studies to compare the impact of Tenofovir (TDF) and Entecavir (ETV) on RFS and OS in HBV-related HCC patients. Data from six databases and gray literature up to 30 August 2023, were analyzed, utilizing Kaplan-Meier curves, stratified Cox models, and shared frailty models for survival rate assessment and to address between-study heterogeneity. The study employed restricted mean survival time analysis to evaluate differences in RFS and OS between TDF-treated and ETV-treated patients. Additionally, landmark analyses compared early (<2 years) and late (≥2 years) tumor recurrence in these cohorts. Results: This study incorporated seven research articles, covering 4,602 patients with HBV-related HCC (2,082 on TDF and 2,520 on ETV). Within the overall cohort, TDF recipients demonstrated significantly higher RFS (p = 0.042) and OS (p < 0.001) than those on ETV. The stratified Cox model revealed significantly improved OS for the TDF group compared to the ETV group (hazard ratio, 0.756; 95% confidence interval, 0.639-0.896; p = 0.001), a result corroborated by the shared frailty model. Over a follow-up period of 1-8 years, no significant difference was noted in the mean time to death between the TDF and ETV groups. The rates of early recurrence did not significantly differ between the groups (p = 0.735). However, TDF treatment was significantly associated with a reduced risk of late recurrence compared to ETV (p < 0.001). In the HCC resection subgroup, the disparities in OS, early, and late recurrence rates between the two treatments paralleled those seen in the overall cohort. Conclusion: Compared to ETV, TDF may enhance OS and reduce late tumor recurrence risk in HBV-related HCC patients receiving curative treatment. However, there was no statistically significant distinction in the timing of tumor recurrence and mortality between patients administered TDF and those prescribed ETV. Systematic Review Registration: http://www.crd.york.ac.uk/prospero/.

10.
Nat Cancer ; 2024 Sep 03.
Artículo en Inglés | MEDLINE | ID: mdl-39227745

RESUMEN

The Cancer Genome Atlas (TCGA) and the Cancer Cell Line Encyclopedia (CCLE) are foundational resources in cancer research, providing extensive molecular and phenotypic data. However, large-scale proteomic data across various cancer types for these cohorts remain limited. Here, we expand upon our previous work to generate high-quality protein expression data for approximately 8,000 TCGA patient samples and around 900 CCLE cell line samples, covering 447 clinically relevant proteins, using reverse-phase protein arrays. These protein expression profiles offer profound insights into intertumor heterogeneity and cancer dependency and serve as sensitive functional readouts for somatic alterations. We develop a systematic protein-centered strategy for identifying synthetic lethality pairs and experimentally validate an interaction between protein kinase A subunit α and epidermal growth factor receptor. We also identify metastasis-related protein markers with clinical relevance. This dataset represents a valuable resource for advancing our understanding of cancer mechanisms, discovering protein biomarkers and developing innovative therapeutic strategies.

11.
Artículo en Inglés | MEDLINE | ID: mdl-39222455

RESUMEN

Graph theory-based techniques have recently been adopted for anomaly detection in hyperspectral images (HSIs). However, these methods rely excessively on the relational structure within the constructed graphs and tend to downplay the importance of spectral features in the original HSI. To address this issue, we introduce graph frequency analysis to hyperspectral anomaly detection (HAD), which can serve as a natural tool for integrating graph structure and spectral features. We treat anomaly detection as a problem of graph frequency location, achieved by constructing a beta distribution-based graph wavelet space, where the optimal wavelet can be identified adaptively for anomaly detection. Initially, a high-dimensional, undirected, unweighted graph is built using the pixels in the HSI as vertices. By leveraging the observation of energy shifting to higher frequencies caused by anomalies, we can dynamically pinpoint the specific Beta wavelet associated with the anomalies' high-frequency content to accurately extract anomalies in the context of HSIs. Furthermore, we introduce a novel entropy definition to address the frequency location problem in an adaptive manner. Experimental results from seven real HSIs validate the remarkable detection performance of our newly proposed approach when compared to various state-of-the-art anomaly detection methods.

12.
Zhongguo Yi Xue Ke Xue Yuan Xue Bao ; 46(4): 565-574, 2024 Aug.
Artículo en Chino | MEDLINE | ID: mdl-39223021

RESUMEN

Hymenopteran insect stings are a risk factor that cannot be ignored for the people allergic to hymenopteran venoms.In China,the current diagnostic tools cannot provide accurate information to identify sensitized insects,thus affecting clinical diagnosis and treatment.Honeybee is a common hymenopteran insect.Due to its wide distribution,large number,and complex venom composition,researchers have carried out recombination schemes for the main allergens of honeybee venom,laying a theoretical foundation for the detection of allergens.The development of diagnostic technologies for allergen components can accurately detect bee venom allergens,providing a new set of clinical diagnosis and treatment schemes for the population allergic to bee venom.


Asunto(s)
Alérgenos , Venenos de Abeja , Venenos de Abeja/inmunología , Alérgenos/análisis , Alérgenos/inmunología , Animales , Humanos , Hipersensibilidad/diagnóstico , Hipersensibilidad/inmunología , Abejas/inmunología
13.
Zhonghua Wei Zhong Bing Ji Jiu Yi Xue ; 36(7): 681-686, 2024 Jul.
Artículo en Chino | MEDLINE | ID: mdl-39223880

RESUMEN

Sepsis is a prevalent critical illness observed in emergency intensive care unit (ICU), characterized by life-threatening organ dysfunction caused by infection-induced inflammatory immune disorders in the body. The suppression of immune function plays a crucial role in the development and progression of sepsis. Traditional Chinese medicine theory of "acute deficiency syndrome" in sepsis shares similarities with the concept of "immunosuppression". According to this theory, ginseng is frequently utilized in clinical treatment of sepsis due to its ability to invigorate vitality and strengthen the body, playing a crucial role in tonifying deficiency and improving the overall health of patients. This paper provides a detailed discussion of the pathophysiological mechanisms of sepsis immune dysfunction and its correlation with "acute deficiency syndrome" in traditional Chinese medicine. It summarizes the current state of modern pharmacological research on ginseng's impact on the body's immune function, discusses relevant research progress and shortcomings regarding ginseng's therapeutic effects on immunosuppression in sepsis, and proposes future research directions.


Asunto(s)
Panax , Sepsis , Humanos , Sepsis/tratamiento farmacológico , Sepsis/inmunología , Medicina Tradicional China/métodos , Medicamentos Herbarios Chinos/uso terapéutico
14.
Future Microbiol ; : 1-17, 2024 Sep 03.
Artículo en Inglés | MEDLINE | ID: mdl-39225491

RESUMEN

Aim: To explore the complex relationship between gut microbiota, obesity-related male reproductive impairments, and the NLRP3 inflammasome.Methods: A high-fat diet was administered to induce obesity in a mouse model, fecal microbiota transplantation or a high-dietary fiber diet (HDFD) was administered for 5 weeks to evaluate changes in parameters related to reproductive capacity, NLRP3, gut microbiota composition and metabolites in mice.Results: A high-fat diet induces obesity and decreases reproductive capacity in male mice. Fecal microbiota transplantation and HDFD can improve reproductive capacity in obese mice by adjusting the gut microbiota population to suppress the NLRP3/ASC/caspase-1 axis, thereby reducing IL-1ß levels.Conclusion: This study offers a potential treatment for obesity-induced reproductive dysfunction by targeting the gut microbiota and the NLRP3 inflammasome pathway.


This study looks at how gut bacteria, obesity and our immune system affect male reproductive health. We made mice obese by feeding them a high-fat diet. Then, we treated them with either a transplant of gut bacteria or a high-fiber diet for 5 weeks. We found that the high-fat diet made it harder for male mice to have babies. Both the transplant and the high-fiber diet helped improve their ability to reproduce. Changing the bacteria in their gut reduced inflammation by affecting the immune system. Our findings suggest that changing gut bacteria and focusing on this part of the immune system could help with reproductive problems caused by obesity.

15.
World J Stem Cells ; 16(8): 824-826, 2024 Aug 26.
Artículo en Inglés | MEDLINE | ID: mdl-39219727

RESUMEN

This letter addresses the review titled "Wharton's jelly mesenchymal stem cells: Future regenerative medicine for clinical applications in mitigation of radiation injury". The review highlights the regenerative potential of Wharton's jelly mesenchymal stem cells (WJ-MSCs) and describes why WJ-MSCs will become one of the most probable stem cells for future regenerative medicine. The potential plausible role of WJ-MSCs for diabetic bone regeneration should be noticeable, which will provide a new strategy for improving bone regeneration under diabetic conditions.

16.
Artículo en Inglés | MEDLINE | ID: mdl-39230599

RESUMEN

Covalent organic framework (COF) film with electrofluorochromic (EFC) and electrochromic (EC) properties has been synthesized by using triphenylamine-based monomers. The film exhibited a high maximum fluorescence contrast of 151 when subjected to a drive voltage of 0.75 V vs the Ag/AgCl electrode, causing the fluorescence to be quenched, which resulted in the EFC process's "fluorescence off" state. The switching times for the fluorescence on and off states were 0.51 and 7.79 s, respectively. Over the same voltage range, the COF film also displayed EC properties, achieving a contrast of 50.23% and a coloration efficiency of 297.4 cm2 C-1 at 532 nm, with switching times of 18.6 s for coloration and 0.7 s for bleaching. Notably, the quenched fluorescence of the COF film could be restored by adding dopamine as a reductant. This phenomenon enabled the implementation of a NAND logic gate using the applied potential as a physical input and dopamine addition as a chemical input. This study demonstrates the successful development of COF films with bifunctional EFC and EC properties, showcasing their potential for use in constructing advanced optoelectronic devices.

17.
ACS Omega ; 9(36): 37856-37868, 2024 Sep 10.
Artículo en Inglés | MEDLINE | ID: mdl-39281940

RESUMEN

Implementing novel technologies, including the "well factory" model and zipper fracturing techniques, has become prevalent in shale gas development. During completion operations such as lowering casing and multistage fracturing, the casing is subjected to many complex loads, reducing its strength and increasing the risk of casing deformation. By establishing a casing wear model and conducting multistage cyclic loading experiments and numerical simulations, we analyzed the change rule of casing anticollapse strength under complex loads, developed a calculation method for casing comprehensive anticollapse ability under complex loads, and applied the method to an illustrative calculation. The study shows that the wear effect during completion has a negligible impact on the strength of the casing. The casing anticollapse strength exhibits a linear decline in correlation with the number of cycles. The zipper fracturing operation resulted in a nonuniform distribution of geo-stress around the well, and the casing anticollapse strength demonstrated a nearly linear decline in correlation with the nonuniformity of geo-stress. In the presence of both internal and external effects, the casing anticollapse strength exhibited a decline exceeding 15%, thereby increasing the risk of casing deformation. This research method can provide computational guidance for preventing casing deformation in field fracturing construction.

18.
Ren Fail ; 46(2): 2385724, 2024 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-39282735

RESUMEN

OBJECTIVES: Effectiveness of nirmatrelvir/ritonavir (NR) in kidney transplant recipients (KTRs) infected COVID-19 for more than 5 days has not been evaluated. METHODS: In this multicenter retrospective study, 85 KTRs with COVID-19 were enrolled, including 50 moderate, 21 severe, and 14 critical patients. RESULTS: The median time from onset to starting NR treatment was 14 (IQR, 11-19) days. Before NR treatment, 96.5% patients reduced use of antimetabolites. They also stopped using calcineurin inhibitors (CNI) 12-24 hours before NR treatment, with CNI concentrations well-controlled during NR treatment. The use of intravenous corticosteroids increased with COVID-19 severity. The median time to reach viral negative conversion was 5 (IQR, 4-8) days for all patients. For moderate and severe COVID-19 patients, they had a low rate of ICU admission (1.4%), exacerbation requiring upgraded oxygen therapy (5.6%), and dialysis (2.8%); no intubation and mechanical ventilation, and no deaths were observed. Patients with critical COVID-19 had a low mortality rate (7.1%). CONCLUSIONS: A regimen including NR for clearing SARS-CoV-2 along with reducing immunosuppressants and using intravenous corticosteroids is associated with lower rates of exacerbation and mortality in KTRs who have moderate to critical SARS-CoV-2 infection and the virus still present after 5 days.


Asunto(s)
Antivirales , Tratamiento Farmacológico de COVID-19 , Trasplante de Riñón , Ritonavir , Humanos , Ritonavir/uso terapéutico , Ritonavir/administración & dosificación , Masculino , Femenino , Persona de Mediana Edad , Estudios Retrospectivos , Antivirales/uso terapéutico , Antivirales/administración & dosificación , Anciano , COVID-19/mortalidad , COVID-19/complicaciones , SARS-CoV-2 , Combinación de Medicamentos , Inmunosupresores/administración & dosificación , Inmunosupresores/efectos adversos , Inmunosupresores/uso terapéutico , Resultado del Tratamiento , Lopinavir/uso terapéutico , Lopinavir/administración & dosificación , Adulto , Receptores de Trasplantes/estadística & datos numéricos , Hospitalización/estadística & datos numéricos
19.
Int J Biol Macromol ; : 135563, 2024 Sep 14.
Artículo en Inglés | MEDLINE | ID: mdl-39284470

RESUMEN

Intrahepatic cholangiocellular carcinoma (ICC) is a challenging malignancy marked by subtle early symptoms and a high mortality rate, making effective diagnostic markers crucial for early detection and improved patient outcomes. Currently, the conventional diagnosis of ICC is not easily distinguishable from Hepatocellular Carcinoma (HCC) and lacks highly specific and sensitive diagnostic markers. Protein glycosylation, pivotal in biological processes, shows promise for cancer biomarkers due to its association with disease progression. This study aims to develop a novel biomarker discovery framework for ICC utilizing site-specific quantitative N-glycoproteomics to overcome the limitations of existing diagnostic approaches. Employing a tandem mass tag (TMT)-based quantitative analysis, we profiled serum glycoproteins from ICC, HCC, and control cohorts at site-specific glycosylation level. The identified markers underwent further validation in an independent cohort using label-free quantitative methods. Ultimately, we identified five site-specific N-glycans on haptoglobin (HP) as potential biomarkers (AUC > 0.9) for distinguishing ICC from HCC. This finding represents a considerable advance over traditional biomarkers, highlighting the significance of protein glycosylation alterations in ICC pathogenesis. This research, therefore, sets a new precedent for biomarker discovery in ICC, with potential applications in other cancers characterized by glycosylation abnormalities.

20.
Sci Rep ; 14(1): 21607, 2024 09 16.
Artículo en Inglés | MEDLINE | ID: mdl-39284867

RESUMEN

This paper aims to analyze the risk factors for the recurrence or progression of non-functioning pituitary adenomas (NFPAs) in male patients after transnasal sphenoidal surgery and to develop a predictive model for prognosis. Clinical and follow-up data of 126 male patients with NFPAs treated by transnasal sphenoidal surgery from January 2011 to January 2021 in Fuzhou 900th Hospital were retrospectively analyzed. Lasso regression analysis was used to screen the best predictors, and the predictors were further screened by multivariate logistic regression analysis, and the nomogram prediction model was constructed. The performance of the model was verified by three aspects: discrimination, calibration and clinical utility by using the consistency index (C-index), receiver operating characteristic curve (ROC), calibration curve, clinical decision curve (DCA) and Clinical impact curve (CIC). Out of 126 cases, 7 (5.56%) showed postoperative tumor recurrence, and 18 (14.29%) exhibited postoperative residual regrowth (progression). Age (P = 0.024), maximum tumor diameter (P < 0.001), modified Knosp grade (P < 0.001), resection extent (P < 0.001), Ki67 (P < 0.001), pressure symptom (P < 0.001), Pre-op hypopituitarism (P = 0.048), Post-op new hypopituitarism (P = 0.017) showed significant differences among the recurrence group, the progression group, and the alleviation group. Three independent risk factors (Ki67, modified Knosp grade, and resection extent) affecting postoperative remission were used to construct a predictive model for long-term postoperative failure to remit. The C-index of the nomogram model was 0.823, suggesting that the model had a high discriminatory power, and the AUC of the area under the ROC curve was 0.9[95% CI (0.843, 0.958)]. A nomogram prediction model based on modified Knosp grading (grades 3B-4), resection extent (partial resection), and Ki-67 (≥ 3%) predicts the recurrence or progression of NFPAs in men after transnasal sphenoidal surgery.


Asunto(s)
Adenoma , Progresión de la Enfermedad , Recurrencia Local de Neoplasia , Nomogramas , Neoplasias Hipofisarias , Humanos , Masculino , Persona de Mediana Edad , Neoplasias Hipofisarias/cirugía , Neoplasias Hipofisarias/patología , Factores de Riesgo , Adulto , Adenoma/cirugía , Adenoma/patología , Estudios Retrospectivos , Anciano , Pronóstico , Curva ROC
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