Introduction: The molecular pathogenesis of ocular adnexal mucosa-associated lymphoid tissue (MALT) lymphoma and IgG4-related ophthalmic disease (IgG4-ROD) remains incompletely understood. Differentiating between the two diseases is vital given that the diagnostic evaluation and treatment approaches can vary significantly; this difficulty in distinction is exacerbated by the absence of specific biomarkers. This study aimed to investigate the differences between these two diseases based on their cellular composition, transcriptional heterogeneity, and the immune microenvironment using single-cell RNA transcriptional sequencing (scRNA-seq) technology.
View Article and Find Full Text PDFObjective: This study aimed to investigate the expression condition of a proliferation-inducing ligand (APRIL) in lacrimal gland lesions of patients with IgG4-associated ophthalmic diseases (IgG4-ROD) and mucosa-associated lymphoid tissue (MALT) lymphoma.
Patients And Methods: Fifteen patients with IgG4-ROD, 3 with MALT lymphoma, and 1 with elevated IgG4 with lacrimal gland lesions, treated in West China Hospital of Sichuan University from April 2022 to November 2023, were included. Immunofluorescence staining was used to detect the expression of APRIL in the specimen of lacrimal gland.
The first example of heterogeneous photoredox-catalyzed fluoroalkylation of 4-pyrido[1,2-]pyrimidin-4-ones has been developed. With low-cost commercial g-CN as the recyclable photocatalyst and cheap sodium fluoroalkyl sulfonates as the fluoroalkyl source, a variety of fluoroalkylated pyridopyrimidinones were constructed in moderate to high yields. The present reaction can be easily scaled up with good efficiency, and the heterogeneous catalytic system can be reused 5 times with a slight loss of catalytic activities.
View Article and Find Full Text PDFThe purpose of this study is to evaluate the effectiveness of intensity-modulated radiation therapy (IMRT) combined with periorbital triamcinolone acetonide injection in treating thyroid eye disease (TED) patients with active extraocular muscle but low CAS. The retrospective observational study was conducted. A total of 156 eligible patients were selected from the TED patient database of the Ophthalmology Department of West China Hospital of Sichuan University.
View Article and Find Full Text PDFWith Ce@g-CN as a heterogeneous semiconductor photocatalyst, BuNCl as both a redox catalyst and a hydrogen atom transfer catalyst, the first example of semiheterogeneous photocatalytic cross-dehydrogenative coupling of -heteroarenes and alkanes/ethers with H evolution was developed. Both a diverse array of high-value alkylated -heteroarenes and clean H can be efficiently coproduced under sacrificial reagent- and chemical oxidant/reductant-free conditions. Combining both the reversible Ce/Ce redox pair and the reversible Cl̅/Cl ̇ redox pair can considerably improve the photocatalytic efficiency.
View Article and Find Full Text PDFPathol Oncol Res
November 2024
Myeloid sarcoma (MS) occurs when primitive or naive myeloid cells form outside the bone marrow. It occurs mainly in soft/connective tissue and skin; orbital involvement is rare. We report the cases of two female adults, analyze the clinicopathologic characteristics, and review the literature.
View Article and Find Full Text PDFBackground This study was conducted to assess the clinicopathological characteristics of biopsy lesions in the lacrimal gland, in response to evolving pathological technologies and the emergence of new diseases. A retrospective review of case notes was conducted for 582 patients with biopsied lacrimal gland lesions at West China Hospital of Sichuan University in China. This study, spanning from January 1, 2010, to December 31, 2021, recorded demographics, clinical features, imaging findings, histopathological diagnoses, and recurrence rates.
View Article and Find Full Text PDFFront Endocrinol (Lausanne)
October 2024
Background: Significant individual differences exist in the clinical manifestations of thyroid-associated ophthalmopathy (TAO). Age and gender have an impact on the presentation and severity of TAO.
Objective: To evaluate the clinical characteristics of TAO patients, with particular consideration of their age and gender.
Background: Schizophrenic patients are prone to violence, frequent recurrence, and difficult to predict. Emotional and behavioral abnormalities during the onset of the disease, resulting in active myocardial enzyme spectrum.
Aim: To explored the expression level of myocardial enzymes in patients with schizophrenia and its predictive value in the occurrence of violence.
A highly effective external photocatalyst- and additive-free method for the phosphorylation of 3,4-dihydroquinoxalin-2(1)-ones to produce phosphorylated dihydroquinoxalin-2(1)-ones has been reported. A wide variety of phosphorylated products were formed in good to excellent yields. Preliminary mechanistic studies reveal that the phosphorylation process involves an EnT process, a SET process, a HAT process, and a deprotonation process.
View Article and Find Full Text PDFThis article profiles 13 newly approved nitrogen-containing heterocyclic drugs by the U.S. Food and Drug Administration (FDA) in 2023.
View Article and Find Full Text PDFAn efficient photocatalytic protocol combining heterogeneous semiconductors as photocatalysts and NHPI as a redox reagent was disclosed. Under this protocol, 3-sulfonylquinolines were formed in up to 92% yield via a multicomponent radical cascade annulation. Good substituent tolerance and gram-scale reaction showed the potential in fine chemicals modification and pharmaceutical synthesis.
View Article and Find Full Text PDFFeTiO has emerged as an interesting semiconductor photocatalyst in organic synthesis. We herein describe a visible-light-induced semiheterogeneous strategy for the synthesis of 3-(2-oxoethyl)indolin-2-ones with moderate to good yields and good functional group compatibility using recyclable FeTiO as a photocatalyst and NHPI as a redox catalyst.
View Article and Find Full Text PDFIn this work, we developed a visible-light-driven method for the selective synthesis of amides and N-acylureas from carboxylic acids and thioureas. This protocol was featured as avoidance of additional oxidants and transition metal catalysts, simple manipulations, low cost, broad substrate scope, and good functional group tolerance. As only oxygen serves as the oxidation reagent, this method provides a promising synthesis candidate for the formation of N-aryl amides and N-acylureas, including late-stage functionalization of complex pharmaceutical molecules and biologically active molecules.
View Article and Find Full Text PDFWith an inexpensive and commercially available WO semiconductor as the heterogeneous photocatalyst, a catalytic amount of NPh as the single-electron donor, and ambient air as the single-electron acceptor and oxygen source, the semiheterogeneous photocatalytic hydroxylation of alkyl and aryl boronic acids was developed. A broad range of hydroxylated compounds can be obtained in excellent yields.
View Article and Find Full Text PDFSalicylic acid (SA) is an essential phytoregulator that is widely used to promote the synthesis of high-value nutraceuticals in plants. However, its application in daylily, an ornamental plant highly valued in traditional Chinese medicine, has not been reported. Herein, we investigated the exogenous SA-induced physiological, transcriptional and biochemical changes in long yellow daylily (LYD).
View Article and Find Full Text PDFBackground: The present study reviewed the clinicopathological features and outcomes of bilateral lacrimal gland lesions.
Methods: The data of 113 patients who underwent lacrimal gland biopsy at the West China Hospital of Sichuan University, China, between January 1, 2010, and December 31, 2021, are presented in this case series. The patients all presented with bilateral lacrimal gland lesions.
Purpose: To explore the clinicopathological characteristics of immunoglobulin G4 (IgG4)-positive ocular adnexal marginal zone B-cell lymphoma (OAML) and associated patient treatment outcomes.
Methods: Medical records from patients diagnosed with IgG4-positive OAML treated at the West China Hospital between January 2016 and August 2023 were retrospectively analyzed.
Results: This study included data from 22 patients (11 males, 11 females), aged between 36 and 83 years, with disease durations from 1 month to 30 years.
Fungal orbital cellulitis is usually seen in immunocompromised individuals, and opportunistic pathogens are the main etiology. We herein report a case of fungal orbital cellulitis due to in a patient with no history of trauma. A 48-year-old man presented to the emergency room of our hospital with a 2-week history of periorbital swelling, conjunctival hyperemia, and chemosis of his right eye.
View Article and Find Full Text PDFThe first paired electrolysis-enabled arylation of quinoxalin-2(1)-ones was achieved using cyanoarenes as the arylation reagents. A variety of 3-arylquinoxalin-2(1)-ones with various important functional groups were obtained in moderate to good yields under metal- and chemical oxidant-free conditions. With a pair of reductive and oxidative processes occurring among the substrates and reaction intermediates, the power consumption can be dramatically reduced.
View Article and Find Full Text PDFWith both TEMPO and O (in air) as the homogeneous redox mediators, BiBrO as the heterogeneous semiconductor photocatalyst, the first example of semi-heterogeneous photocatalytic decarboxylative phosphorylation of N-arylglycines with diarylphosphine oxides was established. A series of α-amino phosphinoxides were efficiently synthesized.
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