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1.
Front Pharmacol ; 15: 1431617, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-39351097

RESUMEN

Background: Fufang Yinhua Jiedu (FFYH) granules are recommended for treating coronavirus pneumonia (COVID-19) in China. However, its anti-severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) activity and clinical efficacy against COVID-19 remain to be confirmed. Aims: Our study aimed to investigate the anti-SARS-CoV-2 effect and potential mechanism of FFYH. Materials and Methods: The activity of FFYH against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was evaluated via cell pathogenic effects, immunoblotting, immunofluorescence staining, and qRT-PCR. The potential mechanism of FFYH against SARS-CoV-2 was investigated by immunoblotting. One head-to-head randomized controlled trial was designed to evaluate the clinical efficacy of FFYH in mild COVID-19. Two hundred patients were randomly recruited to receive either FFYH or LHQW (Lianhua Qingwen) granules. Results: The in vitro results indicated that FFYH effectively inhibited SARS-CoV-2 replication by suppressing CPE and decreasing viral RNA and protein expression. A time-of-drug-addition assay confirmed that FFYH mainly targeted the binding and replication stages of the SARS-CoV-2 life cycle. Mechanistic studies revealed that blocking SARS-CoV-2-triggered autophagy may be the primary mechanism by which FFYH protects against SARS-CoV-2 infection by regulating the phosphatidylinositol 3-kinase (PI3K)/AKT/mammalian target of rapamycin (mTOR) signaling pathway. Clinical results confirmed that FFYH effectively shortened the recovery time of clinical symptoms and viral nucleic acid negativity, improved abnormal hematology parameters, and controlled excessive cytokine responses in mild COVID-19 patients. Subgroup analysis revealed that FFYH improved the recovery time of clinical symptoms, improved hematological parameters, and controlled excessive cytokine storms to a greater extent in the mild COVID-19 male subgroup, abnormal hematology subgroup, and 32-42-year-old subgroup than in the corresponding LHQW subgroup (P < 0.05). No patients progressed to severe or critical cases. Conclusion: Our results indicate that FFYH not only has good anti-viral activity against SARS-CoV-2 but also has significant efficacy against COVID-19, indicating that FFYH may be a novel complementary option for treating COVID-19.

2.
J Med Internet Res ; 2024 Oct 14.
Artículo en Inglés | MEDLINE | ID: mdl-39402012

RESUMEN

BACKGROUND: Chronic kidney disease (CKD) is a significant public health concern, with an escalating global prevalence ranging from 11% to 13%. Therefore, practical strategies for slowing CKD progression and improving patient outcomes are imperative. There is limited evidence to substantiate the efficacy of mobile app-based nursing systems for decelerating CKD progression. OBJECTIVE: This study aimed to evaluate the long-term efficacy of the KidneyOnline intelligent care system in slowing the progression of non-dialysis-dependent CKD. METHODS: In this retrospective study, the KidneyOnline app was utilized for CKD patients in China who were registered between January 2017 and April 2023. Patients were divided into two groups: an intervention group using the app's nurse-led, patient-oriented management system and a conventional care group that didn't use the app. Patients' uploaded health data were processed via deep learning optical character recognition, and the AI system provided personalized healthcare plans and interventions. Conversely, the conventional care group received suggestions from nephrologists during regular visits without AI assistance. Monitoring extended for an average duration of 2.1 years post-recruitment, with the study's objective being to assess the app's effectiveness in preserving kidney function. The primary outcome was the eGFR slope over the follow-up period, and secondary outcomes included changes in albumin-to-creatinine ratio (ACR) and mean arterial pressure (MAP). RESULTS: A total of 12297 eligible patients who registered on the KidneyOnline app from January 2017 to April 2023 were enrolled for the analysis. Among them, 808 patients were successfully matched using 1:1 propensity score matching, resulting in 404(50%) patients in the KidneyOnline care system group and another 404(50%) patients in the conventional care group. The eGFR slope in the KidneyOnline care group was significantly lower than that in the conventional care group (-1.3, 95% CI: -2.4, -0.1 mL/min/1.73 m2 per year vs. -2.8, 95% CI: -3.8, -1.9 mL/min/1.73 m2 per year,P=.009). Subgroup analysis revealed that the effect of the KidneyOnline care group was more significant in males, patients over 45 years old, and patients with worse baseline kidney function, higher blood pressure, and heavier proteinuria. After 3 and 6 months, the MAP in the KidneyOnline care group decreased to 85.6 (SD 9.2) and 83.6 (SD 10.5) mmHg, respectively, compared to 94.9 (SD 10.6) and 95.2 (SD 11.6) mmHg in the conventional care group (P<.001). The ACR in the KidneyOnline care group showed a more significant reduction after 3 and 6 months (736 mg/g vs. 980 mg/g and 572 mg/g vs. 840 mg/g, P=.074, .027)); however, there was no significant difference in ACR between the two groups at the end of the follow-up period (618 mg/g vs. 639 mg/g, P=.904). CONCLUSIONS: The utilization of KidneyOnline, an AI-based, nurse-led, patient-centered care system, may be beneficial in slowing the progression of non-dialysis-dependent CKD.

3.
Front Cell Infect Microbiol ; 14: 1376525, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-39421642

RESUMEN

Background: Ankylosing spondylitis (AS) is a connective tissue disease that primarily affects spinal joints, peripheral joints, and paravertebral soft tissues, leading to joint stiffness and spinal deformity. Growing evidence has implicated gut microbiota in the regulation of AS, though the underlying mechanisms remain poorly understood. Methods: We conducted a comprehensive search of PubMed, Embase, Web of Science, the Cochrane Library, MEDLINE, Wanfang Data, China Science and Technology Journal Database (VIP), and China National Knowledge Internet (CNKI) databases from the time the databases were created until 30 July 2023. To evaluate changes in α-diversity and the abundance of certain microbiota families in AS, standardized mean difference (SMD) and 95% confidence interval (CI) calculations were made. Meta-analyses were performed using STATA 12.0 and the quality of the literature was assessed by following systematic review guidelines. Results: This systematic review and meta-analysis included 47 studies, providing insights into the gut microbiota composition in patients with AS compared to healthy controls (HCs). Our findings indicate a significant reduction in gut microbial diversity in patients with AS, as evidenced by a decrease in both richness and evenness. Specifically, the Shannon index showed a moderate decrease (SMD = -0.27, 95% CI: -0.49, -0.04; P < 0.001), suggesting a less diverse microbial ecosystem in patients with AS. The Chao1 index further confirmed this trend, with a larger effect size (SMD = -0.44, 95% CI: -0.80, -0.07; P < 0.001), indicating a lower species richness. The Simpson index also reflected a significant reduction in evenness (SMD = -0.30, 95% CI: -0.53, -0.06; P < 0.001). Additionally, patients with AS who received anti-rheumatic combination treatment exhibited a more pronounced reduction in α-diversity compared to untreated patients, highlighting the potential impact of this treatment on gut microbiota balance. In terms of specific microbial families, we observed a significant decrease in the abundance of Bifidobacterium (SMD = -0.42, 95% CI: -2.37, 1.52; P < 0.001), which is known for its beneficial effects on gut health. Conversely, an increase in the abundance of Bacteroidetes was noted (SMD = 0.42, 95% CI: -0.93, 1.76; P < 0.001), suggesting a possible shift in the gut microbiota composition that may be associated with AS pathophysiology. Conclusion: Our analysis revealed changes in α-diversity and the relative abundance of specific bacteria in AS. This suggests that targeting the gut microbiota could provide new therapeutic opportunities for treating AS. Systematic review registration: https://www.crd.york.ac.uk./PROSPERO/, identifier CRD42023450028.


Asunto(s)
Disbiosis , Microbioma Gastrointestinal , Espondilitis Anquilosante , Espondilitis Anquilosante/microbiología , Humanos , Disbiosis/microbiología , Bacterias/clasificación , Bacterias/aislamiento & purificación , Bacterias/genética , Biodiversidad
4.
J Ethnopharmacol ; : 118975, 2024 Oct 19.
Artículo en Inglés | MEDLINE | ID: mdl-39433164

RESUMEN

ETHNOPHARMACOLOGICAL RELEVANCE: Hand, foot, and mouth disease (HFMD) is mainly caused by various of enteroviruses such as enterovirus 71 (EVA71), coxsackievirus A16 (CVA16), CVA6, and CVA10 in infants and children under 5 years old. During the past 5 years, CVA4 has become the dominant pathogen resulting in HFMD in China. However, there are no effective vaccines and antiviral drugs available. Houttuynia cordata Thunb (HC). is a Chinese herbal medicine eaten as vegetables for treating viral infection diseases, but whether HC has anti-CVA4 effect remains unclear. AIM OF THE STUDY: In this study, we want to investigate the antiviral activity of HC against CVA4 in vitro and in vivo and elucidate the potential mechanism of HC against CVA4. MATERIALS AND METHODS: MTT assay were used to evaluate the cytotoxicity of HC. Virus titers assay, CPE assay, violet staining and immunofluorescence were used to investigate the antiviral effect of HC against CVA4. A 13-day-old suckling mice model was established to evaluate the therapeutic efficacy of HC against CVA4 infection. Western blot, qRT-PCR and time-of-drug addition assay were performed to elucidate the potential mechanism of HC against CVA4 infection. RESULTS: MTT assay indicated the cytotoxicity concentration of HC on Vero cells and RD cells were more than 1mg/ml, suggesting that the low cytotoxicity of HC. In vitro antiviral assay revealed that HC could dose-dependently prevent the CPE, suppress the release of newborn virus, and inhibit the replication of CVA4 by decreasing viral RNA transcription and protein expression with IC50 of 88.96 µg/mL. A time-of-addition assay showed that HC mainly exerted anti-CVA4 effect by inhibiting virus replication at the post-entry stage. In vivo results further demonstrated that HC could effectively prevent the lethal infection of CVA4 by promoting survival, improving clinical symptoms, prolonging the survival time, inhibiting excessive inflammatory responses, and reducing pathological injury in vivo. Mechanistic studies revealed inhibition of p38 MAPK and JNK pathway over-activation may be the primary mechanism of HC against CVA4 infection. CONCLUSION: In summary, our results for the first time demonstrated that HC not only effectively inhibited CVA4 replication, but also partially protected the lethal infection of CVA4 in vivo. Furthermore, pharmacological mechanism studies revealed that the primary mechanism of HC against CVA4 infection may be associated with its effect of inhibiting over-activation of p38 MAPK and JNK signaling pathways caused by enteroviruses. Our finding indicated that HC might be a potential innovative medicine for treating HFMD.

5.
Chemistry ; : e202402988, 2024 Sep 21.
Artículo en Inglés | MEDLINE | ID: mdl-39305182

RESUMEN

Cyclophellitol is a potent and selective mechanism-based retaining ß-glucosidase inhibitor that has served as a versatile starting point for the development of activity-based glycosidase probes (ABPs). We developed routes of synthesis of eight mono- and dideoxycyclophellitols and cyclophellitol aziridines, the latter as ABPs carrying either a biotin or fluorophore linked to the aziridine nitrogen. We reveal the potency of these 24 compounds as inhibitors of the three human retaining ß-glucosidases, GBA1, GBA2 and GBA3. We show that 3,6-dideoxy-ß-galacto-cyclophellitol aziridine selectively captures GBA3 over GBA1 and GBA2 in extracts of cells overexpressing both GBA2 and GBA3. We also identify a probe that selectively labels GBA1 and GBA2 over GBA3 at lower concentrations. In sum, the here-presented studies reveal new chemistries to prepare chiral, substituted cyclitol epoxides and aziridines, add to the growing suite of cyclophellitols varying in configuration and substitution pattern, and yielded a reagent that may find use to investigate the physiological role and therapeutic relevance of the most elusive of the three retaining ß-glucosidases: GBA3.

6.
Adv Sci (Weinh) ; : e2407295, 2024 Sep 05.
Artículo en Inglés | MEDLINE | ID: mdl-39234809

RESUMEN

Recently, solar-driven interfacial evaporation (SDIE) has been developed quickly for low-cost and sustainable seawater desalination, but addressing the conflict between a high evaporation rate and salt rejection during SDIE is still challenging. Here, a spatial confinement strategy is proposed to prepare the gel composite solar evaporator (SCE) by loading one thin hydrogel layer onto the skeleton of a carbon aerogel. The SCE retains the hierarchically porous structure of carbon aerogels with an optimized water supply induced by dual-driven forces (capillary effects and osmotic pressure) and takes advantage of both aerogels and hydrogels, which can gain energy from air and reduce water enthalpy. The SCE has a high evaporation rate (up to 4.23 kg m-2 h-1 under one sun) and excellent salt rejection performance and can maintain structural integrity after long-term evaporation even at high salinities. The SDIE behavior, including heat distribution, water transport, and salt ion distribution, is investigated by combining theoretical simulations and experimental results. This work provides new inspiration and a theoretical basis for the development of high-performance interfacial evaporators.

7.
Sci Rep ; 14(1): 20983, 2024 09 09.
Artículo en Inglés | MEDLINE | ID: mdl-39251641

RESUMEN

Tourism is an emotional sphere, and researchers focus on emotions to optimize tourism experiences. Tourism studies on emotions mostly ignore differences in emotions across demographic tourist groups by gender and age, thus limiting the understanding of emotions to the explicit characteristics of tourists' emotions. On the basis of geotagged facial expressions on social media platforms, this study aims to visualize the emotions of groups in scenic spots and then reveal the variations between groups' emotions within theme parks. By employing a facial recognition algorithm, an emotion distribution graph was proposed to represent groups' emotions in detail. Some analytical methods were combined to characterize of the emotion distribution of each group. Through a comprehensive comparison, the results suggest that there are unique characteristics of emotion distribution for each group and considerable variations between them. This study helps researchers achieve a deeper understanding of tourists' emotional differences and enhances the theorization of emotions. This research also highlights the advantages and significant practical implications of our method framework.


Asunto(s)
Emociones , Expresión Facial , Humanos , Emociones/fisiología , Femenino , Masculino , Adulto , Turismo , Adulto Joven , Algoritmos , Medios de Comunicación Sociales , Persona de Mediana Edad , Adolescente
8.
Heliyon ; 10(16): e36178, 2024 Aug 30.
Artículo en Inglés | MEDLINE | ID: mdl-39253133

RESUMEN

Background: Yinqiaosan decoction (YQSD), a traditional Chinese medicinal recipe, has been employed to treat influenza in China for approximately 300 years. Objective: Our study aimed to explore the mechanisms of YQSD against influenza via in vivo and in vitro experimental studies. Study design: and methods UHPLC-Q-TOF-MS/MS was utilized to examine the substances of the YQSD. The chemical components of YQSD detected by UHPLC-Q-TOF-MS/MS were used for network pharmacology analysis. The antiviral effect of YQSD in vivo was investigated. The potential mechanisms of YQSD in combating influenza, which were predicted from network pharmacology analysis, were validated in vitro. Results: By use of UHPLC-Q-TOF-MS/MS, 97 compounds were identified from YQSD. Network pharmacology analysis revealed that the therapeutic effect of YQSD against influenza may be associated with the regulation of T cell receptors (TCR) and Phosphoinositide 3-Kinase (PI3K)- protein kinase B (Akt) signaling pathways. Treatment with YQSD significantly prolonged the mean survival time of the mice and reduced lung injury due to the influenza A virus in vivo. It was discovered that YQSD efficiently inhibited the expression of inflammation-related cytokines. Moreover, YQSD has been found to significantly reduce the expression levels of cluster of differentiation 3 (CD3), monocyte chemoattractant protein-1 (MCP-1), and H1N1 virus nucleoprotein (NP), and prevent the decrease of epithelial cadherin (E-cadherin) protein. In addition, YQSD can inhibit the phosphorylation of the zeta chain of T cell receptor-associated protein kinase 70 (ZAP70) and PI3K proteins in vitro. Conclusion: The capacity of YQSD to suppress viral multiplication and inflammatory response by modulating T cell immunity may explain its effect against influenza viral pneumonia, which may involve the regulation of TCR and PI3K signaling pathways.

9.
Chem Sci ; 2024 Sep 03.
Artículo en Inglés | MEDLINE | ID: mdl-39246358

RESUMEN

GBA2, the non-lysosomal ß-glucosylceramidase, is an enzyme involved in glucosylceramide metabolism. Pharmacological inhibition of GBA2 by N-alkyl iminosugars is well tolerated and benefits patients suffering from Sandhoff and Niemann-Pick type C diseases, and GBA2 inhibitors have been proposed as candidate-clinical drugs for the treatment of parkinsonism. With the ultimate goal to unravel the role of GBA2 in (patho)physiology, we sought to develop a GBA2-specific activity-based probe (ABP). A library of probes was tested for activity against GBA2 and the two other cellular retaining ß-glucosidases, lysosomal GBA1 and cytosolic GBA3. We show that ß-d-arabinofuranosyl cyclitol aziridine (ß-d-Araf aziridine) reacts with the GBA2 active site nucleophile to form a covalent and irreversible bond. Fluorescent ß-d-Araf aziridine probes potently and selectively label GBA2 both in vitro and in cellulo, allowing for visualization of the localization of overexpressed GBA2 using fluorescence microscopy. Co-staining with an antibody selective for the lysosomal ß-glucosylceramidase GBA1, shows distinct subcellular localization of the two enzymes. We proffer our ABP technology for further delineating the role and functioning of GBA2 in disease and propose the ß-d-Araf aziridine scaffold as a good starting point for the development of GBA2-specific inhibitors for clinical development.

10.
World J Radiol ; 16(8): 329-336, 2024 Aug 28.
Artículo en Inglés | MEDLINE | ID: mdl-39239246

RESUMEN

BACKGROUND: With the increasingly extensive application of artificial intelligence (AI) in medical systems, the accuracy of AI in medical diagnosis in the real world deserves attention and objective evaluation. AIM: To investigate the accuracy of AI diagnostic software (Shukun) in assessing ischemic penumbra/core infarction in acute ischemic stroke patients due to large vessel occlusion. METHODS: From November 2021 to March 2022, consecutive acute stroke patients with large vessel occlusion who underwent mechanical thrombectomy (MT) post-Shukun AI penumbra assessment were included. Computed tomography angiography (CTA) and perfusion exams were analyzed by AI, reviewed by senior neurointerventional experts. In the case of divergences among the three experts, discussions were held to reach a final conclusion. When the results of AI were inconsistent with the neurointerventional experts' diagnosis, the diagnosis by AI was considered inaccurate. RESULTS: A total of 22 patients were included in the study. The vascular recanalization rate was 90.9%, and 63.6% of patients had modified Rankin scale scores of 0-2 at the 3-month follow-up. The computed tomography (CT) perfusion diagnosis by Shukun (AI) was confirmed to be invalid in 3 patients (inaccuracy rate: 13.6%). CONCLUSION: AI (Shukun) has limits in assessing ischemic penumbra. Integrating clinical and imaging data (CT, CTA, and even magnetic resonance imaging) is crucial for MT decision-making.

11.
Expert Opin Biol Ther ; 24(10): 1119-1132, 2024 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-39230202

RESUMEN

INTRODUCTION: Psoriatic arthritis (PsA) is a debilitating chronic condition characterized by inflammation of the joints, bones, enthesis, and skin. The pivotal role of interleukin-23 (IL-23) in the pathogenesis of PsA has become increasingly evident. This proinflammatory cytokine is markedly elevated in patients with PsA, suggesting its potential as a therapeutic target. Consequently, IL-23 inhibitors have emerged as promising first-line biologic treatments for PsA. AREAS COVERED: This review delves into the immunopathogenic mechanisms of IL-23 at the cellular and molecular levels in PsA. Furthermore, it provides the recent efficacy and safety profiles of IL-23 inhibitors. We conducted a literature search in PubMed for the following terms: 'IL-23 and psoriatic arthritis,' 'Ustekinumab,' 'Guselkumab,' 'Risankizumab,' and 'Tildrakizumab.' In addition, we retrieved clinical trials involving IL-23 inhibitors registered in ClinicalTrials.gov, EudraCT, and ICTRP. EXPERT OPINION: Despite the promising outcomes observed with IL-23 inhibitors, several challenges persist. The long-term effects of these agents require further investigation through prospective studies, and their limited accessibility worldwide necessitates urgent attention. Additionally, ongoing research is warranted to explore other potential drug targets within the IL-23/IL-23 R axis. The development of reliable biomarkers could greatly enhance early detection, tailored management strategies, and personalized treatment approaches for patients with PsA.


Asunto(s)
Artritis Psoriásica , Interleucina-23 , Humanos , Artritis Psoriásica/tratamiento farmacológico , Artritis Psoriásica/inmunología , Interleucina-23/antagonistas & inhibidores , Interleucina-23/inmunología , Animales , Terapia Molecular Dirigida , Anticuerpos Monoclonales/uso terapéutico
12.
Heliyon ; 10(17): e37016, 2024 Sep 15.
Artículo en Inglés | MEDLINE | ID: mdl-39286210

RESUMEN

A model of the generalized dark hollow sine-Gaussian beam (GDHsGB) is proposed to uniformly describe both conventional dark hollow beams (DHBs) and anomalous dark hollow beams (ADHBs) with circular or elliptic geometrical patterns. Using the Collins formula, we derive the analytical expression for GDHsGBs propagating in ABCD paraxial optical systems. We analyze the evolution of the intensity pattern and beam width of circular ADHBs, as well as the ellipticity of elliptic ADHBs, providing mathematical expressions for these physical quantities. The results reveal various evolution forms based on beam parameters, with elliptic ADHBs exhibiting more intricate propagation behavior compared to circular ADHBs. By controlling parameters, the intensity pattern of elliptic ADHBs undergoes a transformation into a petal-like distribution in the near field, later reverting to its original elliptic configuration but rotated 90° from its initial orientation on the source plane in the far field.

13.
J Transl Med ; 22(1): 795, 2024 Aug 28.
Artículo en Inglés | MEDLINE | ID: mdl-39198829

RESUMEN

BACKGROUND: Difficult-to-treat Rheumatoid arthritis (D2T RA) is primarily characterised by failure of at least two different mechanism of action biologic/targeted synthetic disease-modifying antirheumatic drug (DMARDs) with evidence of active/progressive disease. While a variety of drugs have been used in previous studies to treat D2T RA, there has been no systematic summary of these drugs. This study conducted a systematic review of randomized controlled trials aimed at analyzing the efficacy and safety of individual therapeutic agents for the treatment of D2T RA and recommending the optimal therapeutic dose. METHODS: The English databases were searched for studies on the treatment of D2T RA published between the date of the database's establishment and March, 2024. This study uses R 3.1.2 for data analysis, and the rjags package runs JAGS 3.4.0.20. The study fitted a stochastic effects Bayesian network meta-analysis for each outcome measure. RESULT: A total of 42 studies were included in this study. Compared with placebo, the improvement of Disease Activity Score of 28 Joints (DAS28) score is ranked from high to low as tocilizumab, baricitinib and opinercept. The improvement of American College of Rheumatology 50 response (ACR50) score in patients with drug use was ranked from good to poor as follows: olokizumab, tocilizumab, adalimumab, baricitinib, and upadacitinib, and 8 mg/4w tocilizumab demonstrated the best efficacy. Notably, rituximab is generally the safest drug. Janus kinase (JAK) inhibitors and T cell costimulation modulators are effective in D2T RA refractory to biologic DMARDs, while JAK inhibitors and interleukin-6 (IL-6) inhibitors show effectiveness in D2T RA refractory to csDMARDs. CONCLUSION: Tocilizumab and rituximab have better efficacy and safety in the treatment of D2T RA, and the 8 mg/4w dose of tocilizumab may be the first choice for achieving disease remission.


Asunto(s)
Antirreumáticos , Artritis Reumatoide , Humanos , Antirreumáticos/uso terapéutico , Antirreumáticos/efectos adversos , Artritis Reumatoide/tratamiento farmacológico , Metaanálisis en Red , Ensayos Clínicos Controlados Aleatorios como Asunto , Resultado del Tratamiento
14.
Gene Ther ; 31(9-10): 489-498, 2024 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-39134629

RESUMEN

Recombinant adeno-associated virus (rAAV) vectors are currently the only proven vehicles for treating ophthalmological diseases through gene therapy. A wide range of gene therapy programs that target ocular diseases are currently being pursued. Nearly 20 years of research have gone into enhancing the efficacy of targeting retinal tissues and improving transgene delivery to specific cell types. The engineered AAV capsid, AAV2.7m8 is currently among the best capsids for transducing the retina following intravitreal (IVT) injection. However, adverse effects, including intraocular inflammation, have been reported following retinal administration of AAV2.7m8 vectors in clinical trials. Furthermore, we have consistently observed that AAV2.7m8 exhibits low packaging titers irrespective of the vector construct design. In this report, we found that AAV2.7m8 packages vector genomes with a higher degree of heterogeneity than AAV2. We also found that genome-loaded AAV2.7m8 stimulated the infiltration of microglia in mouse retinas following IVT administration, while the response to genome-loaded AAV2 and empty AAV2.7m8 capsids produced much milder responses. This finding suggests that IVT administration of AAV2.7m8 vectors may stimulate retinal immune responses in part because of its penchant to package and deliver non-unit length genomes.


Asunto(s)
Cápside , Dependovirus , Terapia Genética , Vectores Genéticos , Retina , Dependovirus/genética , Animales , Vectores Genéticos/genética , Vectores Genéticos/administración & dosificación , Ratones , Retina/metabolismo , Cápside/metabolismo , Terapia Genética/métodos , Genoma Viral , Humanos , Ratones Endogámicos C57BL , Transducción Genética/métodos , Microglía/metabolismo
15.
Molecules ; 29(15)2024 Jul 25.
Artículo en Inglés | MEDLINE | ID: mdl-39124877

RESUMEN

Histone acetylation is an important epigenetic mechanism that has been shown to play a role in diapause regulation. To explore the physiological and molecular mechanisms of histone deacetylase in the diapause process, LC-MS/MS analysis was used to perform TMT proteomic and metabolomic analysis on non-diapause (ND), pre-diapause (PreD), diapause (D), cold treatment (CT), and post-diapause (RD) stages of the meadow moth. A total of 5367 proteins were identified by proteomics, including 1179 differentially expressed proteins. We found 975 (602 up-regulated and 373 down-regulated), 997 (608 up-regulated and 389 down-regulated), 1119 (726 up-regulated and 393 down-regulated), 1179 (630 up-regulated and 549 down-regulated), 94 (51 up-regulated and 43 down-regulated), 111 (63 up-regulated and 48 down-regulated), 533 (243 up-regulated and 290 down-regulated), 58 (31 up-regulated and 27 down-regulated), and 516 (228 up-regulated and 288 down-regulated) proteins in ND and PreD, ND and D, ND and CT, ND and RD, PreD and D, PreD and CT, PreD and RD, D and CT, D and RD, and CT and RD stages, respectively. A total of 1255 differentially expressed metabolites were annotated by metabolomics. Through KEGG analysis and time series analysis of differentially expressed metabolites, we found that phospholipids were annotated in significantly different modules, demonstrating their important role in the diapause process of the meadow moth. Using phospholipids as an indicator for weighted gene co-expression network analysis, we analyzed the most relevant differentially expressed proteins in the module and found that ribosomal 40s and 60s subunits were the most relevant proteins for diapause. Because there have been studies that have shown that histone deacetylase is associated with the diapause of meadow moths, we believe that histone deacetylase regulates the 40s and 60s subunits of ribosomes, which in turn affects the diapause of meadow moths. This finding expands our understanding of the regulation of meadow moth diapause and provides new insights into its control mechanism.


Asunto(s)
Metabolómica , Proteómica , Animales , Proteómica/métodos , Metabolómica/métodos , Proteínas de Insectos/metabolismo , Proteínas de Insectos/genética , Lepidópteros/metabolismo , Lepidópteros/genética , Mariposas Nocturnas/metabolismo , Mariposas Nocturnas/genética , Espectrometría de Masas en Tándem , Diapausa de Insecto/genética , Metaboloma
16.
Food Chem X ; 23: 101637, 2024 Oct 30.
Artículo en Inglés | MEDLINE | ID: mdl-39108628

RESUMEN

The effects of dry-salted and salt-fermented processing on the physicochemical characteristics and microbial communities of Yacai were systematically investigated. The results showed that the contents of total acid, amino acid nitrogen (AAN) and nitrite in the final products of dry-salted Yacai were greater than those in salt-fermented Yacai. Lactic acid was the dominant organic acid in the two types of Yacai. Dry-salted processing is more conducive to forming a high-quality reddish-brown color. During whole pickling process, the microbial diversity of dry-salted Yacai was higher than that of salt-fermented Yacai, particularly in the early and middle stages of fermentation. For dry-salted Yacai, 8 bacteria (Natribacillus, Chromohalobacter, Marinococcus, Lentibacillus, Nesterenkonia, Gracilibacillus, Oceanobacillus and Tetragenococcus) and 1 fungus (Zygosaccharomyces) showed a significant positive correlation with AAN. For salt-fermented Yacai, 8 bacteria (Gracilibacillus, Alkalibacillus, Oceanobacillus, Virgibacillus, Lentibacillus, Salibacterium, Chromohalobacter and Tetragenococcus) and 3 fungi (Zygosaccharomyces, Millerozyma, and Wickerhamomyces) exhibited significant positive correlations with AAN.

17.
Ren Fail ; 46(2): 2386146, 2024 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-39091091

RESUMEN

The significance of glomerular IgM deposit intensity in IgA Nephropathy (IgAN) remained ambiguous and requires further research. Patients with biopsy-proven IgAN in our hospital from January 2018 to May 2023 were recruited into this retrospective single-center study. Patients who presented with positive IgM deposit were included in IgM + cohort while patients with negative IgM deposit were included in IgM- cohort. Of the IgM+, patients whose IF intensity of IgM deposits exceeded 1+ formed IgM-H cohort while patients whose IF intensity of IgM deposits was equal to 1+ consisted IgM-L cohort. Pairwise comparisons were performed among these cohorts to determine clinical disparities, following the propensity score matching process. Among 982 IgAN patients, 539 patients presented with positive IgM deposit. The Kaplan-Meier analysis showed that the IgM deposit did not contribute adversely to the outcomes (eGFR decreased from the baseline ≥ 50% continuously or reached end-stage renal disease). However, the Cox regression analysis showed that increased intensity of IgM deposit was an independent risk factor (p = 0.03) in IgM+. The IgM-H exhibited more pronounced segmental glomerulosclerosis (p = 0.02) than the IgM-L, which may also be associated more directly with higher urine protein levels (p = 0.02). Moreover, our generalized linear mixed model demonstrated a remarkably higher urine albumin/creatinine ratio (p < 0.01) and serum creatinine (p = 0.04) levels as well as lower serum albumin (p < 0.01) level in IgM-H persistently during the 5-year follow-up. This study concluded that increased intensity of glomerular IgM deposits may contribute adversely to clinicopathologic presentation and outcome in those IgM + patients.


Asunto(s)
Tasa de Filtración Glomerular , Glomerulonefritis por IGA , Inmunoglobulina M , Glomérulos Renales , Humanos , Inmunoglobulina M/sangre , Masculino , Glomerulonefritis por IGA/inmunología , Femenino , Estudios Retrospectivos , Adulto , Estudios de Seguimiento , Glomérulos Renales/patología , Glomérulos Renales/inmunología , Persona de Mediana Edad , Factores de Riesgo , Fallo Renal Crónico/etiología , Fallo Renal Crónico/inmunología , Estimación de Kaplan-Meier , Progresión de la Enfermedad , Biopsia , Relevancia Clínica
18.
Small ; : e2404893, 2024 Aug 06.
Artículo en Inglés | MEDLINE | ID: mdl-39105465

RESUMEN

Vanadium-based compounds have attracted significant attention as cathodes for aqueous zinc metal batteries (AZMBs) because of their remarkable advantages in specific capacities. However, their low diffusion coefficient for zinc ions and structural collapse problems lead to poor rate capability and cycle stability. In this work, bilayered Sr0.25V2O5·0.8H2O (SVOH) nanowires are first reported as a highly stable cathode material for rechargeable AZMBs. The synergistic pillaring effect of strontium ions and water molecules improves the structural stability and ion transport dynamics of vanadium-based compounds. Consequently, the SVOH cathode exhibits a high capacity of 325.6 mAh g-1 at 50 mA g-1, with a capacity retention rate of 72.6% relative to the maximum specific capacity at 3.0 A g-1 after 3000 cycles. Significantly, a unique single-nanowire device is utilized to demonstrate the excellent conductivity of the SVOH cathode directly. Additionally, the energy storage mechanism of zinc insertion and extraction is investigated using a variety of advanced in situ and ex situ analysis techniques. This method of ion intercalation to improve electrochemical performance will further promote the development of AZMBs in large-scale applications.

19.
J Occup Health Psychol ; 29(5): 342-358, 2024 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-39172435

RESUMEN

Physical exercise is widely recognized for its benefits to individuals' general health, yet its implications for in-role and extrarole job performance, especially on demanding workdays, have rarely been explored. This oversight is concerning as high work demands can deter employees from exercising when they are unaware that exercise can improve their job performance on demanding workdays. In this research, we draw on the effort-recovery model to propose that daily physical exercise not only promotes next-day well-being but also enhances next-day in-role job performance and extrarole organizational citizenship behavior (OCB) by fostering positive affect and work engagement the following day. Moreover, these benefits of daily physical exercise are more pronounced on days with high rather than low work demands. Results from two experience sampling studies generally support our hypotheses, revealing that daily physical exercise contributes to next-day well-being, both self- and leader-rated in-role job performance and self-rated, but not leader-rated, extrarole OCB, through the sequential mediation of next-morning positive affect and next-day work engagement. Furthermore, these benefits of physical exercise are more evident on days when employees face high overall work demands (Study 1) and in particular on days with high-hindrance demands but on days with low-challenge demands (Study 2). (PsycInfo Database Record (c) 2024 APA, all rights reserved).


Asunto(s)
Ejercicio Físico , Rendimiento Laboral , Humanos , Masculino , Femenino , Adulto , Ejercicio Físico/psicología , Persona de Mediana Edad , Carga de Trabajo/psicología , Adulto Joven , Compromiso Laboral , Encuestas y Cuestionarios , Satisfacción en el Trabajo
20.
Forensic Sci Int ; 362: 112152, 2024 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-39067177

RESUMEN

Given that microbiological analysis can be an alternative method that overcomes the shortcomings of traditional forensic technology, and skin samples may be the most common source of cases, the analysis of skin microbiome was investigated in this study. High-throughput sequencing targeting the V3-V4 region of 16S rRNA gene was performed to reveal the skin microbiome of healthy individuals in Guangdong Han. The bacterial diversity of the palm, navel, groin and plantar of the same individual was analyzed. The overall classification based on 16S rRNA gene amplicons revealed that the microbial composition of skin samples from different anatomical parts was different, and the dominant bacterial genus of the navel, plantar, groin and palm skin were dominated by Cutibacterium, Staphylococcus, Corynebacterium and Staphylococcus, respectively. PCoA analysis showed that the skin at these four anatomical locations could only be grouped into three clusters. A predictive model based on random forest algorithm showed the potential to accurately distinguish these four anatomical locations, which indicated that specific bacteria with low abundance were the key taxa. In addition, the skin microbiome in this study is significantly different from the dominant microbiome in saliva and vaginal secretions identified in our previous study, and can be distinguished from these two tissue fluids. In conclusion, the present findings on the community and microbial structure details of the human skin may reveal its potential application value in assessing the location of skin samples and the type of body fluids in forensic medicine.


Asunto(s)
Secuenciación de Nucleótidos de Alto Rendimiento , Microbiota , ARN Ribosómico 16S , Piel , Humanos , Piel/microbiología , Femenino , Masculino , Adulto , ADN Bacteriano , Bacterias/aislamiento & purificación , Bacterias/genética , Bacterias/clasificación , Saliva/microbiología , Análisis de Secuencia de ADN , Ciencias Forenses/métodos , Reacción en Cadena de la Polimerasa
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