The role of PCBP1 in carbon ion-induced ferroptosis and inhibition of lung adenocarcinoma proliferation.

Objective: To investigate the role of PCBP1 in the inhibition of lung adenocarcinoma proliferation by carbon irradiation.

Methods: A549 cells were irradiated with different doses of carbon ions to observe clonal survival and detect changes in cell proliferation. Whole transcriptome sequencing and the Illumina platform were used to analyze the differentially expressed genes in A549 cells after carbon ion irradiation.

Malignant Pilomatricoma with Lung Metastases: A Case Report and Literature Review.

Malignant pilomatricoma, an extremely rare tumor arising from hair follicles, most commonly occurs on the head, neck, and back. This tumor exhibits several noteworthy characteristics. First, it frequently recurs if it is incompletely excised and can occasionally metastasize to the lungs, bones, and lymph nodes.

The nuclear factor-κ B inhibitor SN50 enhances the efficacy of B-cell maturation antigen-targeted chimeric antigen receptor T-cell therapy.

Not available.

Lymph Node Staging and Treatment in Pediatric Patients With Soft Tissue Sarcomas: A Consensus Opinion from the Children's Oncology Group, European paediatric Soft tissue sarcoma Study Group, and the Cooperative Weichteilsarkom Studiengruppe.

Accurate staging of nodal involvement in pediatric sarcoma patients is important to determine correct systemic and local therapy, with the goal to reduce subsequent recurrences. However, differences in lymph node staging strategies, definitions, and treatment protocols between the Children's Oncology Group (COG), European paediatric Soft tissue sarcoma Study Group (EpSSG), and the Cooperative Weichteilsarkom Studiengruppe (CWS) complicate comparisons. In this article, we aim to establish internationally recognized recommendations for lymph node assessment and treatment of children and adolescents diagnosed with rhabdomyosarcoma (RMS) and non-rhabdomyosarcoma soft tissue sarcoma (NRSTS) according to the Consensus Conference Standard Operating Procedure methodology.

Neurofilament heavy chain in secondary progressive multiple sclerosis.

Background: Biomarkers are needed to track progression in MS trials. Neurofilament heavy chain (NfH) has been underutilized due to assay limitations.

Objective: To investigate the added value of cerebrospinal fluid (CSF) NfH in secondary progressive multiple sclerosis (SPMS) using contemporary immunoassays.

Patients, parents and professional perspectives on molecular radiotherapy for neuroblastoma and paediatric neuroendocrine cancers.

Treatment with radioactive drugs (molecular radiotherapy, MRT) is an option for selected children with neuroblastoma and neuroendocrine cancers. As few hospitals are appropriately equipped and staffed to provide paediatric MRT, many families have to travel long distances from home for prolonged periods. To improve professional understanding of the challenges faced by children receiving these treatments and their parents, and to help them appreciate the difficulties faced by professionals in delivering complex treatments, a meeting bringing together parents, patients and professionals was held.

Neutrophil extracellular traps (NETs) are increased in rheumatoid arthritis-associated interstitial lung disease.

Background: Neutrophil extracellular trap (NET) formation has been implicated as a pathogenic mechanism in both rheumatoid arthritis (RA) and interstitial lung disease (ILD). However, the role of NETs in RA-associated ILD (RA-ILD) and the mechanisms driving NET formation remain unclear. This study aimed to assess the involvement of NETs in RA-ILD and elucidate the underlying mechanisms.

Temporal and spatial pattern of DNA damage in neurons following spinal cord Injury in mice.

Background: Deficient DNA repair and excessive DNA damage contribute to neurodegenerative disease. However, the role of DNA damage and repair in spinal cord injury (SCI) is unclear. SCI, a debilitating disruption of the structural and biological network of the spinal cord, is characterized by oxidative stress.

A pre- and post-course survey of an elective Chinese medicine curriculum among junior Western medical students in Taiwan.

Background: Demonstrating a positive impact of educational programs on clinical care outcomes is challenging. We assess students' knowledge, attitudes, and behaviors as short-term outcomes of integrating a structured Traditional Chinese Medicine course within a Western medical school.

Methods: A prospective questionnaire survey was conducted among first-year and second-year undergraduate medical students who participated in the "Introduction to Chinese Medicine" course in 2020.

Empowering PET imaging reporting with retrieval-augmented large language models and reading reports database: a pilot single center study.

Purpose: The potential of Large Language Models (LLMs) in enhancing a variety of natural language tasks in clinical fields includes medical imaging reporting. This pilot study examines the efficacy of a retrieval-augmented generation (RAG) LLM system considering zero-shot learning capability of LLMs, integrated with a comprehensive database of PET reading reports, in improving reference to prior reports and decision making.

Methods: We developed a custom LLM framework with retrieval capabilities, leveraging a database of over 10 years of PET imaging reports from a single center.

Sequencing and characterizing human mitochondrial genomes in the biobank-based genomic research paradigm.

Human mitochondrial DNA (mtDNA) harbors essential mutations linked to aging, neurodegenerative diseases, and complex muscle disorders. Due to its uniparental and haploid inheritance, mtDNA captures matrilineal evolutionary trajectories, playing a crucial role in population and medical genetics. However, critical questions about the genomic diversity patterns, inheritance models, and evolutionary and medical functions of mtDNA remain unresolved or underexplored, particularly in the transition from traditional genotyping to large-scale genomic analyses.

Lutetium-177 labeled iPD-L1 as a novel immunomodulator for cancer-targeted radiotherapy.

Background: Cancer immunotherapy is a relatively new approach to cancer treatment. Peptides that target specific pathways and cells involved in immunomodulation can potentially improve the efficacy of cancer therapy. Recently, we reported iPD-L1 as a novel inhibitor peptide that specifically targets the cancer cell ligand PD-L1 (programmed death ligand 1).

CD45-PET is a robust, non-invasive tool for imaging inflammation.

Imaging inflammation holds immense potential for advancing the diagnosis, treatment and prognosis of many conditions. The lack of a specific and sensitive positron emission tomography (PET) probe to detect inflammation is a critical challenge. To bridge this gap, we present CD45-PET imaging, which detects inflammation with exceptional sensitivity and clarity in several preclinical models.

Dysregulation of REST and its target genes impacts the fate of neural progenitor cells in down syndrome.

Increasing shreds of evidence suggest that neurogenic-to-gliogenic shift may be critical to the abnormal neurodevelopment observed in individuals with Down syndrome (DS). REST, the Repressor Element-1 Silencing Transcription factor, regulates the differentiation and development of neural cells. Downregulation of REST may lead to defects in post-differentiation neuronal morphology in the brain of the DS fetal.

Microenvironment-confined kinetic elucidation and implementation of a DNA nano-phage with a shielded internal computing layer.

Multiple receptor analysis-based DNA molecular computation has been developed to mitigate the off-target effect caused by nonspecific expression of cell membrane receptors. However, it is quite difficult to involve nanobodies into molecular computation with programmed recognition order because of the "always-on" response mode and the inconvenient molecular programming. Here we propose a spatial segregation-based molecular computing strategy with a shielded internal computing layer termed DNA nano-phage (DNP) to program nanobody into DNA molecular computation and build a series of kinetic models to elucidate the mechanism of microenvironment-confinement.

Motif distribution and DNA methylation underlie distinct Cdx2 binding during development and homeostasis.

Transcription factors guide tissue development by binding to developmental stage-specific targets and establishing an appropriate enhancer landscape. In turn, DNA and chromatin modifications direct the genomic binding of transcription factors. However, how transcription factors navigate chromatin features to selectively bind a small subset of all the possible genomic target loci remains poorly understood.

Brain-related sexual dimorphism in tuberous sclerosis complex: an overlooked matter.

Biological sex strongly impacts tuberous sclerosis complex (TSC) symptoms like epilepsy and autism. However, the mechanisms driving this influence remain largely unknown. Here, we discuss how sex-specific changes in brain synapses and neural networks may drive these differences, offering insights that could be crucial for developing targeted therapies for TSC.

Role of lamins in cellular physiology and cancer.

Lamins, which are crucial type V intermediate filament proteins found in the nuclear lamina, are essential for maintaining the stability and function of the nucleus in higher vertebrates. They are classified into A- and B-types, and their distinct expression patterns contribute to cellular survival, development, and functionality. Lamins emerged during the transition from open to closed mitosis, with their complexity increasing alongside organism evolution.

Death ligand receptor (DLR) signaling: Its non-apoptotic functions in cancer and the consequences of DLR-directed therapies.

Death ligands (DLs), particularly tumor necrosis factor alpha (TNF-α), FAS ligand (FASL), and TNF-related apoptosis-inducing ligand (TRAIL), collectively termed TFT, are pivotal members of the TNF superfamily. While traditionally linked to apoptosis, TFT proteins have emerged as key regulators of various non-apoptotic processes. This review summarizes the non-apoptotic functions of TFT in cancer and explores the intricate crosstalk signaling pathways and their impact on nuclear factor kappa B (NF-κB) signaling, inflammation, and pro-tumorigenic function.

Prognostic significance of diagnosis-to-surgery interval in oral cavity squamous cell carcinoma: A nationwide study.

Background: The question as to whether prolonged diagnosis-to-surgery intervals (DSIs) may compromise survival outcomes in patients with oral cavity squamous cell carcinoma (OCSCC) remains unanswered. This nationwide study was designed to address this issue.

Methods: We analyzed data from 26,214 patients with first primary OCSCC identified in the Taiwanese Cancer Registry Database between 2011 and 2021.

Monolithic U-shaped crystal design for TOF-DOI detectors: a flat top vs. a tapered top.

For brain-dedicated positron emission tomography (PET) scanners, depth-of-interaction (DOI) information is essential to achieve uniform spatial resolution across the field-of-view (FOV) by minimizing parallax error. Time-of-flight (TOF) information can enhance the image quality. In this study, we proposed a novel monolithic U-shaped crystal design that had a tapered geometry to achieve good coincidence timing resolution (CTR) and DOI resolution simultaneously.

Amyloid-associated hyperconnectivity drives tau spread across connected brain regions in Alzheimer's disease.

In Alzheimer's disease (AD), amyloid-β (Aβ) triggers the aggregation and spreading of tau pathology, which drives neurodegeneration and cognitive decline. However, the pathophysiological link between Aβ and tau remains unclear, which hinders therapeutic efforts to attenuate Aβ-related tau accumulation. Aβ has been found to trigger neuronal hyperactivity and hyperconnectivity, and preclinical research has shown that tau spreads across connected neurons in an activity-dependent manner.

Transformation of sperm structure in Octopus vulgaris: From spermatogenesis to spermatophoric release.

The present study describes the differentiation process of male germ cells in Octopus vulgaris, the morphology of sperm in the testis and spermatophore, and the sperm released after the spermatophoric reaction. During spermatogenesis, the male sperm cell gradually elongates from a round shape, with cytoplasm shifting toward the head and the acrosome forming. Additionally, in the spermatid stage, the flagellum develops within the posterior nuclear channel and extends outside the cytoplasm.

Proper 5'-3' cotranslational mRNA decay in yeast requires import of Xrn1 to the nucleus.

The budding yeast Xrn1 protein shuttles between the nucleus, where it stimulates transcription, and the cytoplasm, where it executes the major cytoplasmic mRNA decay. In the cytoplasm, apart from catalyzing 5'→3' decay onto non translated mRNAs, Xrn1 can follow the last translating ribosome to degrade the decapped mRNA template, a process known as "cotranslational mRNA decay". We have previously observed that the import of Xrn1 to the nucleus is required for efficient cytoplasmic mRNA decay.

Cerebral Microbleeds and Amyloid Pathology Estimates From the Amyloid Biomarker Study.

Importance: Baseline cerebral microbleeds (CMBs) and APOE ε4 allele copy number are important risk factors for amyloid-related imaging abnormalities in patients with Alzheimer disease (AD) receiving therapies to lower amyloid-β plaque levels.

Objective: To provide prevalence estimates of any, no more than 4, or fewer than 2 CMBs in association with amyloid status, APOE ε4 copy number, and age.

Design, Setting, And Participants: This cross-sectional study used data included in the Amyloid Biomarker Study data pooling initiative (January 1, 2012, to the present [data collection is ongoing]).