Supramolecular assemblies and nanoparticle integration studied through quantitative image analysis and 3D reconstruction.

Nanoparticle incorporation into supramolecular assemblies is essential for designing hybrid nanostructures with tailored optical and structural properties. However, understanding the interactions that govern the attachment and formation of such composites remains a challenge, particularly when complex structures are involved. In this study, we explore the fabrication of quantum dot (QD)/J-aggregate composites of tetrakis(4-sulfonatophenyl)porphyrin (HTPPS), where electrostatic interactions between cysteamine-functionalized QDs and negatively charged J-aggregates of HTPPS with L-alanine play a key role in their formation.

Sulfur-Functionalized MOF via Ligand Additive-Stabilized SALE for Efficient Hg Ion Removal.

Metal-organic frameworks (MOFs) are versatile materials used in adsorption and separation. Post-synthetic modification, especially solvent-assisted linker exchange (SALE), enables precise ligand functionalization while maintaining framework integrity. However, incorporating linkers with Lewis basic sites presents challenges due to their strong coordination tendencies, which can disrupt framework stability.

Metabolite phenotyping of kobusin and identification of glutathione conjugates with kobusin catechol metabolite.

We aimed to investigate the metabolic pathways of kobusin, a tetrahydrofurofuran lignan with benzo[1,3]dioxole group, which exhibits antioxidant, anti-inflammatory, and anticancer activities. The metabolic profiles of kobusin, following incubation with hepatocytes and human liver microsomes (HLMs), were categorized into three clusters using ion identity molecular networking, with each cluster subsequently linked by glucuronidation and sulfation. These clusters were predicted to correspond to demethylenation, demethylation, and methylation with demethylenation.

Non-linear associations between exposure to a mixture of per- and polyfluoroalkyl substances and thyroid hormone levels in Korean adults.

Background: This study investigated how exposure to per- and polyfluoroalkyl substances (PFAS) influence the levels of thyroid-stimulating hormone (TSH) and free thyroxine (fT4) and the risk of thyroid disease in euthyroid adults.

Methods: A retrospective cohort study was conducted using data from 181 euthyroid Korean adults (59.4 ± 8.

Feature-based molecular networking updates the in vitro metabolic characterisation of fenbendazole across species.

Feature-based molecular networking (FBMN), an advanced metabolomics tool leveraging MS/MS spectral similarity, was applied to update metabolite characterisation of fenbendazole (FBZ), a veterinary antiparasitic agent with emerging anticancer potential in humans. Despite its therapeutic promise, FBZ's human metabolic pathways remain poorly understood.In this study, FBMN was utilised for the comprehensive profiling of FBZ metabolites across species, employing high-resolution liquid chromatography-mass spectrometry (LC-HRMS) with data-dependant MS acquisition.

Long-Term Hepatic and Extrahepatic Outcomes of Chronic Hepatitis C Patients After Sofosbuvir-Based Treatment (LONGHEAD Study).

Background/aims: Direct-acting antivirals (DAAs) are highly effective in treating hepatitis C virus (HCV) infection. The long-term hepatic and extrahepatic outcomes of DAAs in chronic hepatitis C (CHC) patients receiving curative antivirals are elusive.

Methods: CHC patients were retrieved from two phase III sofosbuvir-based clinical trials conducted from 2013-2014.

The FOXP1-ABCG2 axis promotes the proliferation of cancer stem cells and induces chemoresistance in pancreatic cancer.

Pancreatic cancer is an aggressive disease with low survival and high recurrence rates. A major obstacle in treating pancreatic cancer is the frequent development of chemoresistance to the standard therapeutic drug, gemcitabine. One mechanism by which pancreatic cancer develops chemoresistance is through the proliferation of cancer stem cells (CSC).

SLC5A3 depletion promotes apoptosis by inducing mitochondrial dysfunction and mitophagy in gemcitabine-resistant pancreatic cancer cells.

Pancreatic ductal adenocarcinoma (PDAC) is a highly aggressive cancer with poor prognosis, largely due to the rapid development of chemoresistance in patients. Mitochondrial dynamics play a crucial role in cancer cell survival. Currently, the specific mechanisms underlying gemcitabine resistance in PDAC remain unknown.

Real-world efficacy and toxicity of olaparib maintenance therapy in Korean ovarian cancer patients with an exploratory analysis of BRCA mutations.

Objective: To evaluate the real-world efficacy and toxicity of olaparib maintenance therapy in Korean patients with BRCA-mutated ovarian cancer (OC), with an exploratory analysis of BRCA mutations.

Methods: We conducted a retrospective analysis of Korean BRCA-mutated OC patients treated with olaparib maintenance therapy as first-line (1Lm) or second-/subsequent-line (2Lm +) at Asan Medical Center, South Korea, from August 2015 to April 2023. Survival outcomes, including progression-free survival (PFS) and overall survival (OS), as well as toxicity, were analyzed with patient characteristics and BRCA mutations.

Clinical practice guidelines for uterine corpus cancer: an update to the Korean Society of Gynecologic Oncology guidelines.

The Korean Society of Gynecologic Oncology has updated its clinical practice guidelines for endometrial cancer to incorporate advancements in recent high-quality randomized controlled trials. These guidelines address evolving treatment paradigms, and are tailored to the Korean medical context. Key updates include a strong recommendation for doxorubicin/trabectedin combination therapy in metastatic or recurrent unresectable leiomyosarcoma based on the significant survival benefits demonstrated in a randomized controlled trial.

Current Landscape of Adoptive Cell Therapy and Challenge to Develop "Off-The-Shelf" Therapy for Hepatocellular Carcinoma.

Adoptive cell therapy (ACT) is a type of immunotherapy in which autologous or allogeneic immune cells, such as tumor-infiltrating lymphocytes or engineered lymphocytes, are infused into patients with cancer to eliminate malignant cells. Recently, autologous T cells modified to express a chimeric antigen receptor (CAR) targeting CD19 showed a positive response in clinical studies for hematologic malignancies and have begun to be used in clinical practice. This article discusses the current status and promise of ACT research in hepatocellular carcinoma (HCC), focusing on challenges in off-the-shelf ACT using primary cells or induced pluripotent stem cells (iPSCs) with or without genetic engineering.

The real-world efficacy and toxicity of first-line paclitaxel and cisplatin with bevacizumab in platinum-naïve primary stage IVB cervical cancer.

Objective: To investigate the real-world efficacy and toxicity of paclitaxel-cisplatin-bevacizumab and identify prognostic factors for paclitaxel-cisplatin-bevacizumab in platinum-naïve primary stage IVB cervical cancer.

Materials And Methods: We retrospectively reviewed patients with stage IVB cervical cancer who received paclitaxel-cisplatin-bevacizumab as first-line treatment between July 2015 and December 2021 at Asan Medical Center, Korea. Patient data including clinicopathologic characteristics, imaging, paclitaxel-cisplatin-bevacizumab administration, recurrence, and survival were collected.

Research of Optical Properties and Biocompatibility in Different Zones of Multilayered Translucent Zirconia on Hydrothermal Aging.

Objective: We assessed the changes in optical properties and biocompatibility of transition zones in multilayered translucent monolithic zirconia exposed to prolonged hydrothermal aging and compared the results to those with different yttrium oxide contents.

Materials And Methods: Four types of zirconia blocks from IPS e.max ZirCAD were used: 3Y-TZP e.

Sinapine suppresses ROS-induced C2C12 myoblast cell death through MAPK and autophagy pathways.

Oxidative stress in skeletal muscle can lead to muscle atrophy through reactive oxygen species (ROS)-induced damage and cell death. -Butyl hydroperoxide (TBHP), an exogenous ROS generator, induces oxidative stress and cell death in various cells. Sinapine from cruciferous plants possesses beneficial effects, but its role in protecting skeletal muscle cells against ROS-induced cell death remains unclear.

The Comparative Metabolism of a Novel Hepatocellular Carcinoma Therapeutic Agent, 2,3-Diamino--(4-(benzo[d]thiazol-2-yl)phenyl)propanamide, in Human and Animal Hepatocytes.

[2,3-diamino--(4-(benzo[d]thiazol-2-yl)phenyl)propanamide], named as ETN101, is a novel therapeutic agent for hepatocellular carcinoma. In vitro studies examined ETN101 metabolites in human, mouse, rat, dog, and monkey hepatocytes and identified the drug-metabolizing enzymes involved using cDNA-expressed human recombinant cytochrome P450s (CYPs), carboxylesterases (CESs), -acetyltransferase (NAT) 1, and human liver cytosol. ETN101 showed similar metabolic stability across hepatocytes from five species, with particularly comparable stability in humans, rats, and monkeys.

Stereoselective Synthesis of Glycosides via Tsuji-Trost Type Glycosylation Using 3,4-Carbonate Galactals.

Pd-catalyzed stereoselective glycosylations using unsaturated sugar derivatives, glycals, have been successfully achieved in recent years. This review focuses on approaches to control the stereoselectivities of glycosides via π-allyl intermediates that mimic the Tsuji-Trost asymmetric allylic alkylation reactions, enabling stereoselectivity control through rational design. In the reaction process, zwitterionic Pd-π-allyl complexes, formed after the oxidative addition and decarboxylation, play a crucial role in increasing reactivities and enhancing the stereoselectivities of α- and β-glycosides.

Practice guidelines for management of uterine corpus cancer in Korea: a Korean Society of Gynecologic Oncology consensus statement.

The Korean Society of Gynecologic Oncology (KSGO) had been making an effort to standardize and enhance the quality of domestic uterine corpus cancer treatment by developing updated clinical practice guidelines in 2021. The KSGO revised the guidelines based on a literature search using 4 key elements: Population, Intervention, Comparison, and Outcome framework. These elements include the evaluation of the efficacy and safety of immune checkpoint inhibitor treatment in recurrent/advanced endometrial cancer patients who have failed platinum-based chemotherapy, as well as the effect of combined treatment with trastuzumab in patients with HER2/neu-positive endometrial cancer.

Change of Symptoms after Total Hip Arthroplasty in Patients with Hip-Spine Syndrome.

Purpose: Elderly patients with degenerative diseases undergo treatment for the hip and spine; these patients present with various symptoms. This study focused on patients with residual symptoms, predominantly pain, even after receiving treatment for their spinal lesions.

Materials And Methods: Patients who underwent total hip arthroplasty (THA) between 2016 and 2022 at a single tertiary hospital were included in the study.

Pd-catalyzed oxa-[4 + ] dipolar cycloaddition using 1,4-O/C dipole synthons for the synthesis of O-heterocycles.

Transition metal-catalyzed dipolar cycloaddition is one of the most efficient and powerful synthetic strategies to produce diverse heterocycles. In particular, for the construction of oxygen-containing heterocycles, which are valuable structural motifs found in pharmaceuticals and natural compounds, transition metal-catalyzed oxa-dipolar cycloaddition using an oxygen-containing dipole has emerged as a promising method. In recent years, the 1,4-O/C dipole synthons 2-alkylidenetrimethylene carbonate and 2-hydroxymethylallyl carbonate have been developed and successfully applied to palladium-catalyzed oxa-[4 + ] dipolar cycloadditions with diverse dipolarophiles.

Feature-Based Molecular Networking Combined with Multivariate Analysis for the Characterization of Glutathione Adducts as a Smoking Gun of Bioactivation.

Feature-based molecular networking (FBMN) is a powerful analytical tool for mass spectrometry (MS)-based untargeted metabolomics data analysis. FBMN plays an important role in drug metabolism studies, enabling the visualization of complex metabolomics data to achieve metabolite characterization. In this study, we propose a strategy for the characterization of glutathione (GSH) adducts formed metabolic activation using FBMN assisted by multivariate analysis (MVA).

Metatarsal sliding osteotomy is effective without altering plantar pressure in Morton's neuroma: Retrospective case series.

Background: Various operative methods for the treatment of Morton's neuroma have been discussed, and osteotomy of the metatarsal bone has been reported recently. However, there has been no report of pedobarographic changes after metatarsal osteotomy. Pedobarographic changes of other metatarsal area after the surgery may cause transfer metatarsalgia, and thorough analysis of the pedobarographic data should be performed peri-operatively.

Combination therapy of niclosamide with gemcitabine inhibited cell proliferation and apoptosis via Wnt/β-catenin/c-Myc signaling pathway by inducing β-catenin ubiquitination in pancreatic cancer.

Pancreatic ductal adenocarcinoma (PDAC) is a type of cancer with high morbidity and mortality rates worldwide. Owing to a lack of therapeutic options, the overall survival rate of patients with pancreatic cancer is low. Gemcitabine has been mainly used to treat patients with pancreatic cancer, but its efficacy is limited by chemoresistance.

SLC38A5 Modulates Ferroptosis to Overcome Gemcitabine Resistance in Pancreatic Cancer.

Pancreatic cancer is characterized by a poor prognosis, with its five-year survival rate lower than that of any other cancer type. Gemcitabine, a standard treatment for pancreatic cancer, often has poor outcomes for patients as a result of chemoresistance. Therefore, novel therapeutic targets must be identified to overcome gemcitabine resistance.