Background: The novel nanomaterials PNA-TN (PN) and PNA-TN-Dox (PND) have been shown to have strong inhibitory effects on breast cancer; however, it is unclear whether PN and PND have anti-head and neck squamous cell carcinoma (HNSCC) activity, and their potential mechanisms of activity are unknown. So, our study aims to explore the therapeutic effects of PN and PND on HNSCC and their possible mechanisms.
Methods: We used a series of phenotypic research to evaluate the effects of PN + Laser (L) and PND + L on the biological function of HNSCC cells in vitro and in vivo.
The cationic and neutral boron-diamide precursors are employed to target the inclusion of N and N-P molecular fragments. The species (HCN(Dipp))BNH5, and (HCN(Dipp))BNH6 were prepared. While efforts to oxidize with [NO] gave mixtures of products, reactions with NH gave the salts [(HCN(Dipp))B(NHNH)][OSCF] 7 [(HCN(Dipp))B(NHNH)][OSCF] 8.
View Article and Find Full Text PDFReactions of (BuOCN) with Lewis acids and FLPs have previously been shown to prompt the formation of diazene compounds. In this work, we show that the reaction of (BuOCN) with 9-BBN leads to a bicyclic heterocyclic product (BuOCO(BBN)CN)1. In contrast, the reactions of (BuOCN) with BF or [EtSi][B(CF)] lead to the isolation of [BuNHNHBu][BF] 2 and [BuN(H)NBu][B(CF)] 3, respectively.
View Article and Find Full Text PDFObjective: Investigating the impact of centromere protein N (CENP-N) on radiosensitivity of nasopharyngeal carcinoma (NPC) cells.
Methods: Using immunohistochemistry and immunofluorescence to detect CENP-N expression in tissues from 35 patients with radiosensitive or radioresistant NPC. Assessing the effect of combined CENP-N knockdown and radiotherapy on various cellular processes by CCK-8, colony formation, flow cytometry, and Western blotting.
Introduction: The incidence of allergic rhinitis (AR) is increasing year by year, and the pathogenesis is complex, in which diet may play an important role. The role of polyunsaturated fatty acids (PUFAs) in AR is still controversial. Previous studies have looked at the effects of PUFA during pregnancy, childhood, and adolescence.
View Article and Find Full Text PDFAims: To investigate the long-term alterations in immune function and spontaneous inflammation in mice following specific knockout of Notch2 (Notch2KO) in Treg cells.
Main Methods: A Treg cell-specific Notch2 knockout mouse model was constructed, and the mice were named Notch2KO mice. The pathological changes and inflammatory cell infiltration in the lungs, skin, and liver of the mice at 2, 6, 9, and 12 months of age were evaluated by HE staining.
Cell Commun Signal
October 2023
Background: Pyroptosis is crucial for controlling various immune cells. However, the role of allergen-induced CD11c + dendritic cell (DC) pyroptosis in allergic rhinitis (AR) remains unclear.
Methods: Mice were grouped into the control group, AR group and necrosulfonamide-treated AR group (AR + NSA group).
Chemotherapeutic resistance is one of the most common reasons for poor prognosis of patients with nasopharyngeal carcinoma (NPC). We found that CENPN can promote the growth, proliferation and apoptosis resistance of NPC cells, but its relationship with chemotherapeutic resistance in NPC is unclear. Here we verified that the CENPN expression level in NPC patients was positively correlated with the degree of paclitaxel (PTX) resistance and a poor prognosis through analysis of clinical cases.
View Article and Find Full Text PDFObjective: To investigate the effect of Notch2 gene knockout in Treg cells on head and neck squamous cell carcinoma (HNSCC) in mice.
Methods: A mouse model of HNSCC was constructed. Flow cytometry and immunofluorescence were used to examine the numbers of related immune cells and programmed cell death in tumor cells in the spleen and tumor microenvironment of mice.
Cigarette smoke exposure is an important factor in chronic inflammation in patients with allergic rhinitis (AR); however, the relationship between cigarette smoke and AR-related glucocorticoid resistance requires further study. In mice, calpeptin significantly reduces inflammation of the lower respiratory tract caused by cigarette smoke, but whether it can treat glucocorticoid-resistant AR caused by cigarette smoke requires further research. In this study, we confirmed that cigarette smoke exposure can aggravate the Th2 inflammatory response in AR leading to glucocorticoid resistance.
View Article and Find Full Text PDFFollowing the publication of this article, a concerned reader drew to the authors' attention that a pair of the 24 h scratch‑wound assay data panels in Fig. 4A, and three of the migration and invasion assay data panels in Fig. 4B, exhibited overlapping sections, suggesting that data which were intended to have shown the results from differently performed experiments had originated from the same sources.
View Article and Find Full Text PDFNumerous real-world systems can be naturally modeled as multilayer networks, providing an efficient tool to characterize these complex systems. Although recent progress in understanding the controlling of synthetic multiplex networks, how to control real multilayer systems remains poorly understood. Here, we explore the controllability and energy requirement of molecular multiplex networks coupled by transcriptional regulatory network (TRN) and protein-protein interaction (PPI) network from the perspective of network structural characteristics.
View Article and Find Full Text PDFTo study the mechanism of saponins (GpS) regulating mitochondrial autophagy and anti-inflammatory through Sirtuin 1 (Sirt1) pathway in systemic lupus erythematosus (SLE). JURKAT cells were cultured in vitro, RT-PCR and western blotting (WB) were utilized to identify the expression of related-proteins in Sirt1 pathway and global autophagy and mitochondrial autophagy markers in JURKAT before and after GpS treatment induced by ultraviolet B (UVB), and the related-mechanism of GpS regulation of autophagy was analyzed. The SLE model was established to analyze the alleviating effects of GpS on various symptoms of lupus mice.
View Article and Find Full Text PDFObjectives: This study aimed to develop deep learning (DL) models for differentiating between eosinophilic chronic rhinosinusitis (ECRS) and non-ECRS (NECRS) on preoperative CT.
Design: Axial spiral CT images were pre-processed and used to build the dataset. Two semantic segmentation models based on U-net and Deeplabv3 were trained to segment the sinus area on CT images.
The aim of this study was to investigate the role and mechanism of Notch2-dependent GATA3+ Treg cells in allergic rhinitis (AR). Samples were collected from patients in the control and AR groups to detect differences in the numbers of GATA3+ Treg cells and their intracellular Notch2 levels. The effects of Notch2 on GATA3+ Treg cell differentiation and function in vitro were detected.
View Article and Find Full Text PDFObjective: To investigate the role of Tregs and their subtypes in the treatment of allergic rhinitis with allergen immunotherapy (AIT) as well as the underlying mechanism.
Methods: 1. Thirty-one healthy controls, 29 Allergic rhinitis (AR) patients and 16 AR patients treated with AIT were recruited.
Comb Chem High Throughput Screen
March 2023
Background: This study aimed to determine the features and differentiation of Giant Cell Reparative Granuloma (GCRG) and Giant Cell Tumor (GCT) of the head on CT and MRI.
Methods: This retrospective study included six patients with histopathology-confirmed head GCRG and 5 patients with histopathology-confirmed head GCT. All images were independently reviewed by two radiologists.
Comb Chem High Throughput Screen
March 2023
Objective: The National Health and Nutrition Examination Survey (NHANES) data has been used to study the relationship between fasting plasma glucose (FPG) and glycohemoglobin (A1c) in patients with allergic symptoms and specific sensitization, respectively.
Methods: A total of 1,687 participants and a variety of logistic regression models were selected based on the 2005-2006 NHANES (n = 10,348) for our study to describe the relationship between FPG and A1c in subjects with the sensitivity of allergic symptoms, specific sensitization and specific sensitization of 19 allergens, respectively. On this basis, a variety of logistic regression models were further established for hierarchical analysis to study the limiting conditions when FPG and A1c were related to allergic symptoms.
Allergy Asthma Clin Immunol
March 2022
Background: Epidemiological evidence between the sleep disorders and allergy-related outcomes is limited.
Objectives: The purpose of the present study was to estimate the relationship between sleep disorders and allergy-related outcomes in adults.
Methods: We built logistic regression models to examine the associations between sleep disorders and allergy-related outcomes in adult participants using the 2005-2006 NHANES database.
The level of autophagy in CD11c dendritic cell (DC) and its contribution to the subsequent immune imbalance are still unclear. The aim of this study was to investigate the role and mechanism of them in promoting the allergic inflammatory response. Nasal mucosa tissues were collected from allergic rhinitis (AR) mice and their control group to detect the expression of LC3II, P62 and ATG5 and CD11cDC autophagy.
View Article and Find Full Text PDFBackground And Objective: Maggots are the larval stage of and have strong antibacterial activity and immunomodulatory effects. The objective of our study was to investigate whether maggot extracts can modulate regulatory T cells (Tregs) and treat allergic rhinitis (AR).
Methods: Mice were randomly assigned to five groups (n=6/group): normal, AR, Maggot, AR+ Maggot, and AR+ dexamethasone (DXM).
Chem Commun (Camb)
January 2022
10 mol% B(2,6-CFH) in the presence of excess tetramethylpiperidine (TMP) and H (or D) is shown to catalyze the hydrogenative dehalogenation of benzyl-halides to give corresponding toluene derivatives. These reactions proceed an initial FLP activation of H yielding the ammonium hydridoborate [TMPH][HB(2,6-CFH)]. This species acts in analogy to a FLP to cooperatively activate C-X bond (X = Cl, Br, I) of benzyl-halides delivering hydride and generating the corresponding ammonium halide salts.
View Article and Find Full Text PDFBackground: Centromere protein N (CENP-N) has been reported to be highly expressed in malignancies, but its role and mechanism in nasopharyngeal carcinoma (NPC) are unknown.
Methods: Abnormal CENP-N expression from NPC microarrays of GEO database was analyzed. CENP-N expression level was confirmed in NPC tissues and cell lines.