Targeting the RBM39-MEK5 axis synergizes with bortezomib to inhibit the malignant growth of multiple myeloma.

Aberrant alternative splicing is one of the hallmarks of cancer and is potentially based on upregulated expression of splicing factors in some types of cancer. Our previous study suggested that the splicing factor RBM39 is significantly upregulated in multiple myeloma (MM) and that its upregulation is positively associated with poor prognosis. Here, we further demonstrate that the survival and proliferation of MM cells rely on RBM39 and that RBM39 knockdown inhibits the malignant growth of MM.

Global burden of viral skin diseases from 1990 to 2021: a systematic analysis for the global burden of disease study 2021.

Background: The scarcity of knowledge regarding the epidemiology and temporal patterns of viral skin diseases worldwide poses significant challenges to their control and management.

Methods: We analyzed the global incidence, prevalence, and age-standardized rates (ASR) of disability-adjusted life years (DALYs) for viral skin diseases in 2021. To examine temporal trends from 1990 to 2021, we employed the EPAC model, assessing changes by country, gender, age, Socio-demographic Index (SDI), and GBD regions.

β-Diketone Functionalized Microspheres Chelate Reactive Iron via Metal Coordination for Cartilage Repair.

Excessive intracellular iron accumulation can induce mitochondrial dysfunction, leading to chondrocyte ferroptosis, a key contributor to cartilage damage in osteoarthritis (OA). Here, micelle-microfluidic hydrogel microspheres, featuring keto-enol-thiol bridged nano-sized secondary structures that disintegrate within the intracellular peroxidative environment to reveal β-diketone groups with metal chelation capabilities, are utilized for the in situ removal of reactive iron, thereby facilitating cartilage repair through the restoration of mitochondrial homeostasis. The relevant experiments demonstrate that the microspheres reduce iron influx by downregulating transferrin receptor (TfR1) expression and decrease mitochondrial iron uptake by upregulating mitochondrial outer membrane iron-sulfur cluster protein (CISD1), thus restoring intracellular mitochondrial iron homeostasis.

A critical role of N-acetylation of cytidine in mRNA by NAT10 in T cell expansion and antiviral immunity.

Following activation, naive T cells exit quiescence and require global translation for rapid expansion, yet the underlying mechanisms remain unclear. Here, we show that during T cell activation, cells upregulate the expression of N-acetyltransferase 10 (NAT10), an enzyme responsible for N-acetylcytidine (acC) modification of mRNAs. acC-modified Myc mRNAs show higher translation efficiency, enabling rapid synthesis of MYC protein and supporting robust T cell expansion.

Cytotoxic T-cell activation profile in critically ill children with malignancies and hemophagocytic lymphohistiocytosis.

Background: The early identification of hemophagocytic lymphohistiocytosis (HLH) in critically ill children with malignancies is challenging. The value of an activated cytotoxic T-cell profile in diagnosing HLH in this group of patients is unknown.

Methods: Critically ill children with malignancies who suffered from persistent cytopenia in the pediatric intensive care unit were included.

Are EQ-5D-Y-3L and EQ-5D-Y-5L Useful Tools to Assess Health Outcomes in Children With Asthma? An Analysis of Child and Parental Carer Reporting.

Objective: The three-level and five-level child-friendly versions (EQ-5D-Y) are widely employed for assessing health-related quality of life (HRQoL) in children. However, their effectiveness in asthma remains understudied. We aimed to assess their psychometric properties in asthmatic children.

Chinese Position Paper on Biologic Therapy for Chronic Rhinosinusitis With Nasal Polyps.

Emerging biologics that selectively target key cytokines present a promising therapeutic alternative for patients suffering from severe, uncontrollable chronic rhinosinusitis with nasal polyps (CRSwNP). Despite the limited availability of registered biologics for CRSwNP treatment in China, the country is experiencing rapid development in this field. It is imperative to standardize the application of biologic agents in CRSwNP management in preparation for their future integration into the CRSwNP care pathway.

Gut microbiota-derived tryptophan metabolites regulated by Wuji Wan to attenuate colitis through AhR signaling activation.

Disruption of the intestinal mucosal barrier caused by gut dysbiosis and metabolic imbalance is the underlying pathology of inflammatory bowel disease (IBD). Traditional Chinese medicine Wuji Wan (WJW) is commonly used to treat digestive system disorders and showed therapeutic potential for IBD. In this interdisciplinary study, we aim to investigate the pharmacological effects of WJW against experimental colitis by combining functional metabolomics and gut-microbiota sequencing techniques.

SplitFusion enables ultrasensitive gene fusion detection and reveals fusion variant-associated tumor heterogeneity.

Gene fusions are common cancer drivers and therapeutic targets, but clinical-grade open-source bioinformatic tools are lacking. Here, we introduce a fusion detection method named SplitFusion, which is fast by leveraging Burrows-Wheeler Aligner-maximal exact match (BWA-MEM) split alignments, can detect cryptic splice-site fusions (e.g.

AI-assisted facial analysis in healthcare: From disease detection to comprehensive management.

Medical conditions and systemic diseases often manifest as distinct facial characteristics, making identification of these unique features crucial for disease screening. However, detecting diseases using facial photography remains challenging because of the wide variability in human facial features and disease conditions. The integration of artificial intelligence (AI) into facial analysis represents a promising frontier offering a user-friendly, non-invasive, and cost-effective screening approach.

Chinese expert consensus on flow cytometric detection of hematological malignant cells in tissue samples.

Flow cytometry (FCM), characterized by its simplicity, rapid processing, multiparameter analysis, and high sensitivity, is widely used in the diagnosis, treatment, and prognosis of hematological malignancies. FCM testing of tissue samples not only aids in diagnosing and classifying hematological cancers, but also enables the detection of solid tumors. Its ability to detect numerous marker parameters from small samples is particularly useful when dealing with limited cell quantities, such as in fine-needle biopsy samples.

RNA cytidine acetyltransferase NAT10 maintains T cell pathogenicity in inflammatory bowel disease.

The emerging field of epitranscriptomics is reshaping our understanding of post-transcriptional gene regulation in inflammatory diseases. N-acetylcytidine (acC), the only known acetylation modification in RNA catalyzed by N-acetyltransferase 10 (NAT10), is known to enhance mRNA stability and translation, yet its role in inflammatory bowel disease (IBD) remains unclear. In this study, we discovered that Nat10 expression correlates with inflammatory and apoptotic pathways in human ulcerative colitis CD4 T cells.

Reference Intervals for 24-Hour Urinary Calcium Excretion and Its Association With Bone Metabolism: A Multicenter Study.

Context: The 24-hour urinary calcium excretion (UCaE) not only serves as an important indicator of calcium metabolism balance but also correlates with metabolic diseases. However, the distribution of 24-hour UCaE and its relationship with bone metabolism are unknown.

Objective: To investigate the distribution of 24-hour UCaE and its association with bone metabolism.

Transcription factor ONECUT3 regulates HDAC6/HIF-1α activity to promote the Warburg effect and tumor growth in colorectal cancer.

The Warburg effect, also known as aerobic glycolysis, plays a crucial role in the onset and progression of colorectal cancer (CRC), although its mechanism remains unclear. In this study, bioinformatics analysis of public databases combined with validation using clinical specimens identified the transcription factor ONECUT3 as a key regulator related to the Warburg effect in CRC. Functionally, silencing ONECUT3 reverses the Warburg effect and suppresses tumor growth.

Nuclear translocation of CDK5RAP3 regulated by NXF3 promotes the progression of gastric cancer.

Background: Nuclear-cytoplasmic transport proteins (NCTPs) impact the transport of proteins and RNA molecules between the nucleus and cytoplasm in tumor cells, making them promising targets for cancer therapy. Currently, the molecular mechanism and function of Nuclear RNA export factor 3 (NXF3) in gastric cancer (GC) remains unclear.

Methods: We used Univariate Cox regression analysis and LASSO regression analysis, Receiver Operating Characteristic (ROC) curves to construct and evaluate a NCTP prognosis risk scoring model (NCTP model).

A Functional Skincare Formulation Mixed With Retinyl Propionate, Hydroxypinacolone Retinoate, and Vitamin C on Antiaging and Whitening Han Women in Shanghai, China.

Background: Human skin is remodeled as a result of aging. Retinoids (or retinol derivatives) can intervene in this process, which can be optimally formulated and concentrated by providing maximum antiaging effects with minimal irritation.

Aims: To determine the optimal ratio of two retinol derivatives hydroxypinacolone retinoate (HPR), retinol propionate (RP), and vitamin C (VitC) in dermal remodeling and preventing skin aging, and to investigate their synergistic antiaging and whitening effects in vitro and in vivo.

Generation of 3D Midbrain Organoids from Human-Induced Pluripotent Stem Cells.

The development of midbrain organoids (MOs) from human pluripotent stem cells (hPSCs) represents a significant advancement in understanding brain development, facilitating precise disease modeling, and advancing therapeutic research. This protocol outlines a method for generating midbrain-specific organoids using induced pluripotent stem cells (iPSCs), employing a strategic differentiation approach. Key techniques include dual-SMAD inhibition to suppress SMAD signaling, administration of fibroblast growth factor 8b (FGF-8b), and activation of the Sonic Hedgehog pathway using the agonist purmorphamine, guiding iPSCs towards a midbrain fate.

Gender differences in cognitive performance among young adults with first-episode schizophrenia in China.

Background: Individuals with schizophrenia exhibit distinctive patterns of cognitive impairments, which pose difficulties in patients' everyday functionality and reduce patients' quality of life. Previous research suggests that many demographic variables, such as gender and age, influence the cognitive performance profiles of schizophrenia patients; however, the gender differences in neurocognitive dysfunction among first-episode schizophrenia (FES) patients remain less clear.

Methods: In this cross-sectional study, we compared the cognitive performance of FES patients to that of healthy controls (HC), with a specific focus on gender differences within the Chinese population aged under 35 years.

EasyMetagenome: A user-friendly and flexible pipeline for shotgun metagenomic analysis in microbiome research.

Shotgun metagenomics has become a pivotal technology in microbiome research, enabling in-depth analysis of microbial communities at both the high-resolution taxonomic and functional levels. This approach provides valuable insights of microbial diversity, interactions, and their roles in health and disease. However, the complexity of data processing and the need for reproducibility pose significant challenges to researchers.

Intranasal delivery of AEP inhibitor-loaded neuron-targeted liposome ameliorates radiation-induced brain injury.

Acute exposure to high-dose radiation during head and neck tumors radiotherapy can result in radiation-induced brain injury (RIBI), characterized by neurocognitive deficits, dementia, and epilepsy. Asparagine endopeptidase (AEP), a cysteine proteinase, is effective in preventing neurodegenerative diseases and RIBI. However, the limited permeability of selective AEP inhibitor (AEPI) delivery to the brain reduces its effectiveness in preventing RIBI.

Early Predictive Value of Infectious Markers for Ventilator-associated Pneumonia after Stanford Type A Aortic Dissection Surgery.

Background: This study investigates the early predictive value of infectious markers for ventilator-associated pneumonia (VAP) after Stanford type A aortic dissection surgery.

Methods: A retrospective review of the medical records of all patients with Stanford type A aortic dissection admitted to Shanghai General Hospital from July 2020 to July 2023 who received mechanical ventilation after surgery was performed. Patients were divided into infection and non-infection groups according to the presence of VAP.