Tumor initiating cells escape tumor immunity via CCL8 from tumor-associated macrophages in mice.

Tumor-initiating cells (TICs) play a key role in cancer progression and immune escape. However, how TICs evade immune elimination remains poorly characterized. Combining single-cell RNA sequencing (scRNA-seq), dual-recombinase-based lineage tracing, and other approaches, we identified a WNT-activated subpopulation of malignant cells that act as TICs in vivo.

Pelvic Desmoplastic Small Round Cell Tumor on 18F-PSMA PET/CT.

Desmoplastic small round cell tumor (DSRCT) as a subtype of sarcoma is rare and aggressive. We present the case of a 23-year-old man with a histologically confirmed DSRCT who underwent 18F-PSMA PET/CT before prostate biopsy and surgical resection of the tumor. It is well known that PSMA PET has a high accuracy for detecting clinically significant prostate adenocarcinoma and is useful in guiding prostate biopsy.

Age-related changes in the impact of metabolic syndrome on prostate volume: a cross-sectional study.

This study investigated the impact of metabolic syndrome (MetS) and its components on prostate volume (PV) in the general Chinese population. In total, 43 455 participants in The First Medical Center of the Chinese PLA General Hospital (Beijing, China) from January 1, 2012, to December 31, 2022, undergoing health examinations were included in the study. Participants were categorized into four groups according to PV quartiles: Q1 (PV ≤24.

Metabolomic and proteomic profiling of a burn-hemorrhagic shock swine model reveals a metabolomic signature associated with fatal outcomes.

Background: Burn-hemorrhagic shock combined injury, a severe condition causing complex stress responses and metabolic disturbances that significantly affect clinical outcomes in both military and civilian settings, was modeled in swine to investigate the associated metabolomic and proteomic changes and identify potential biomarkers for disease prognosis.

Methods: Eight clean-grade adult male Landrace pigs (4-5 months, average weight 60-70 kg) were used to model burn-hemorrhagic shock combined injury. Serum samples collected at 0 h and 2 h post-injury were analyzed using metabolomic and proteomic measurements.

Highly proliferating cancer cells function as novel prognostic biomarkers for lung adenocarcinoma with particular usefulness for stage IA risk stratification.

Background: The refinement of risk stratification in lung adenocarcinoma (LUAD) plays a pivotal role in advancing precision medicine; however, the current staging classification falls short of comprehensiveness, particularly in the case of stage IA patients. We aimed to molecularly stratify LUAD patients especially for stage IA.

Methods: We analysed tumour heterogeneity and identified highly proliferating cancer cells (HPCs) in LUAD by performing single-cell RNA sequencing (scRNA-seq) analysis, immunohistochemical (IHC) staining using a tissue microarray, flow cytometry and biological experiments.

US-Guided Thermal Ablation for Secondary Hyperparathyroidism: A Prospective Multicenter Study.

Background Interest in microwave ablation (MWA) and radiofrequency ablation (RFA) use for treating secondary hyperparathyroidism (SHPT) is rising; however, ablation outcomes in patients with SHPT are not well characterized. Purpose To assess the response of parathyroid hormone (PTH), calcium, phosphorus, and alkaline phosphatase (ALP) levels to US-guided parathyroid MWA and RFA and the safety of these treatments in participants with SHPT. Materials and Methods This prospective multicenter cohort study, conducted from September 2017 to March 2022, included participants with SHPT.

Bosniak Classification of Cystic Renal Masses Version 2019: Proportion of Malignancy by Class and Subclass-Systematic Review and Meta-Analysis.

Bosniak classification version 2019 (v2019) was a major revision to version 2005 (v2005) that defined cystic renal mass subclasses based on wall or septa features. To determine the proportion of malignancy within cystic renal masses stratified by Bosniak classification v2019 class and feature-based subclass. MEDLINE and EMBASE databases were searched on July 24, 2023 for studies published in 2019 or later that reported cystic renal masses that underwent renal-mass CT or MRI, were assessed using Bosniak v2019, and had a reference standard (histopathology indicating benignity or malignancy or ≥5-year imaging follow-up indicating benignity).

Radiation-Induced Tumor-Derived Extracellular Vesicles Combined with Tyrosine Kinase Inhibitors: An Effective and Safe Therapeutic Approach for Lung Adenocarcinoma with EGFR19Del.

Combining radiotherapy with targeted therapy benefits patients with advanced epidermal growth factor receptor-mutated non-small cell lung cancer (EGFRm NSCLC). However, the optimal strategy to combine EGFR tyrosine kinase inhibitors (TKIs) with radiotherapy for maximum efficacy and minimal toxicity is still uncertain. Notably, EVs, which serve as communication mediators among tumor cells, play a crucial role in the anti-tumor immune response.

Cell-Cycle-Related and Expression Elevated Protein in Tumor Upregulates the Antioxidant Genes via Activation of NF-κB/Nrf2 in Acute Liver Injury.

Background And Aims: Cell-cycle-related and expression elevated protein in tumor (CREPT, also named RPRD1B) is highly expressed in tumors and functions to promote tumorigenesis. However, the role of CREPT in the pathophysiology of acute liver injury is limited. Here, we demonstrate that CREPT plays an essential role during acute liver injury.

Preclinical Study of a Dual-Target Molecular Probe Labeled with Ga Targeting SSTR2 and FAP.

Objective: Currently, Ga-labeled somatostatin analogs (SSAs) are the most commonly used imaging agents for patients with neuroendocrine tumors (NETs) in clinical practice, demonstrating good results in tumor diagnosis. For applications in peptide receptor radionuclide therapy (PRRT), targeted drugs should have high tumor uptake and prolonged tumor retention time. To enhance the uptake and retention of tracers in NETs, our goal is to design a Ga-labeled heterodimer for optimizing pharmacokinetics and assess whether this form is more efficacious than its monomeric equivalents.

Early Alpha-Fetoprotein Response Predicts Sustained Tumor Response Following Immune Checkpoint Inhibitors Combined with Targeted Therapy in Liver Cancer.

Although immune checkpoint inhibitors (ICI) have revolutionized liver cancer treatment, some patients experience early tumor progression after therapy, missing the window for other potential treatments, such as neoadjuvant therapy. Therefore, identifying the predictive factors for early progression is critical for timely therapeutic adjustment and the optimization of patient outcomes. This retrospective study enrolled patients with liver cancer who received their first ICI combined with targeted therapy at the Fifth Medical Center of the PLA General Hospital between June 2022 and December 2023.

Prolyl 4-hydroxylase α-subunit family regulation of type I collagen deposition and IL17RB/c-Jun activation synergistically mediate choline dehydrogenase promotion of colorectal cancer metastasis.

Metastasis continues to pose a significant challenge in tumor treatment. Evidence indicates that choline dehydrogenase (CHDH) is crucial in tumorigenesis. However, the functional role of CHDH in colorectal cancer (CRC) metastasis remains unreported.

The impact of the National Syphilis Prevention Program on the prevalence of syphilis among people living with HIV in China: a systematic review and meta-analysis.

Introduction: In 2010, China launched the 10-year National Syphilis Prevention and Control Program to curb the spread of syphilis by integrating syphilis screening and treatment with HIV services. Herein, we aimed to evaluate changes in the prevalence of syphilis among people living with HIV (PLHIV) in China.

Methods: We conducted this systematic review and meta-analysis by searching the PubMed, Embase, Web of Science, China Biomedical Literature, China National Knowledge Infrastructure, Wanfang and CQVIP databases from inception to 1 June 2024 to obtain relevant articles.

Curcumin-mediated antimicrobial photodynamic therapy for inactivating Mycobacterium abscessus: a promising approach for non-tuberculous mycobacterial skin infections.

Non-tuberculous mycobacterial skin infection lead to complex and lengthy treatment cycles. Antimicrobial photodynamic therapy (aPDT) is an emerging promising approach for treating infections. This study aims to assess the effects of aPDT using curcumin as a photosensitizer (PS) on non-tuberculous mycobacteria, Mycobacterium abscessus, a subtype that has become common in dermatology in recent years.

GP73 reinforces cytotoxic T-cell function by regulating HIF-1α and increasing antitumor efficacy.

Background: Immunotherapy that targets immune checkpoints has achieved revolutionary success, but its application in solid tumors remains limited, highlighting the need for reliable enhancement of the efficacy of immunotherapy. Golgi protein 73 (GP73), a Golgi membrane protein, has been implicated in various cellular processes, including immune regulation. Recent studies suggested that GP73 may play a role in modulating the immune response in patients with cancer.

Autonomous International Classification of Diseases Coding Using Pretrained Language Models and Advanced Prompt Learning Techniques: Evaluation of an Automated Analysis System Using Medical Text.

Background: Machine learning models can reduce the burden on doctors by converting medical records into International Classification of Diseases (ICD) codes in real time, thereby enhancing the efficiency of diagnosis and treatment. However, it faces challenges such as small datasets, diverse writing styles, unstructured records, and the need for semimanual preprocessing. Existing approaches, such as naive Bayes, Word2Vec, and convolutional neural networks, have limitations in handling missing values and understanding the context of medical texts, leading to a high error rate.

A deformable SIS/HA composite hydrogel coaxial scaffold promotes alveolar bone regeneration after tooth extraction.

After tooth extraction, alveolar bone absorbs unevenly, leading to soft tissue collapse, which hinders full regeneration. Bone loss makes it harder to do dental implants and repairs. Inspired by the biological architecture of bone, a deformable SIS/HA (Small intestinal submucosa/Hydroxyapatite) composite hydrogel coaxial scaffold was designed to maintain bone volume in the socket.

Efficacy and safety of camrelizumab plus famitinib in patients with previously treated non-small-cell lung cancer: a single-arm, phase II trial.

Background: For non-small-cell lung cancer (NSCLC) patients who progressed after first-line chemotherapy, immunotherapy targeting programmed cell death (ligand) 1 has shown promising activity. However, the activity is relatively limited in patients harboring epidermal growth factor receptor (EGFR) mutations.

Objectives: This study aimed to evaluate the efficacy and safety of camrelizumab plus famitinib in previously treated patients with locally advanced and metastatic NSCLC.

Epidemiology of pulmonary embolism in China, 2021: a nationwide hospital-based study.

Background: Pulmonary embolism (PE) as a preventable and potentially fatal noncommunicable disease was believed to have a lower incidence in Asian populations compared to Western populations. However, the incidence and mortality rates of PE in China and the impact of venous thromboembolism (VTE) prevention system constructions on PE still lack nationwide evidence.

Methods: For this nationwide hospital-based observational study, we used data from the National Hospital Quality Monitoring System (HQMS) and public database in China.

Impact of thrombocytopenia on failure of endoscopic variceal treatment in cirrhotic patients with acute variceal bleeding.

Background: Acute variceal bleeding (AVB), a life-threatening complication of liver cirrhosis, can be effectively treated by endoscopy, but there is a risk of early rebleeding after endoscopic variceal treatment (EVT). Thrombocytopenia is the most common hemostatic abnormality in liver cirrhosis. However, it is still unclear about whether thrombocytopenia increases the failure of EVT in cirrhotic patients with AVB.

Microfluidic-based electrically driven particle manipulation techniques for biomedical applications.

Microfluidic chips exhibit unique advantages in both economy and rapidity, particularly for the separation and detection of biomolecules. In this review, we first introduced the mechanisms of several electrically driven methods, such as electrophoresis, dielectrophoresis, electro-wetting and electro-rotation. We then discussed in detail the application of these methods in nucleic acid analysis, protein manipulation and cell treatment.

A pan-immune panorama of bacterial pneumonia revealed by a large-scale single-cell transcriptome atlas.

Bacterial pneumonia is a significant public health burden, contributing to substantial morbidity, mortality, and healthcare costs. Current therapeutic strategies beyond antibiotics and adjuvant therapies are limited, highlighting the need for a deeper understanding of the disease pathogenesis. Here, we employed single-cell RNA sequencing of 444,146 bronchoalveolar lavage fluid cells (BALFs) from a large cohort of 74 individuals, including 58 patients with mild (n = 22) and severe (n = 36) diseases as well as 16 healthy donors.

Extracorporeal membrane oxygenation for Chinese neonates with severe respiratory and cardiac failure.

Objective: We aimed to outline the experience with extracorporeal membrane oxygenation (ECMO) for respiratory and cardiac failure in neonates in our institution and compare our results with those from other countries.

Method: The clinical data of 28 neonates who required ECMO assistance were studied retrospectively.

Results: A total of 28 neonates underwent support with veno-arterial ECMO, including 14 cardiac support and 14 respiratory support.

[Clinical update in critical care of pulmonary medicine 2024].

This review outlines significant clinical research developments in the field of critical care respiratory medicine from October 2023 to September 2024. In the post-pandemic era, the new global definition of acute respiratory distress syndrome (ARDS) has improved practicality and early warning capabilities, although further refinement through respiratory mechanics and multi-omics approaches is required. Novel patterns of pulmonary microbiota distribution in ARDS patients have emerged, with microbiota-host immune interactions significantly influencing clinical outcomes.