The tumorigenesis of colorectal cancer (CRC) often follows the normal-adenoma-carcinoma (N-A-C) sequence. However, the molecular mechanisms underlying colorectal adenoma carcinogenesis remain largely unknown. Here, we analyzed transcriptomic profile changes in normal, advanced adenoma, and carcinoma tissues from patients with CRC, revealing that glutamic-pyruvic transaminase 1 () in colorectal tissues was down-regulated during the N-A-C process and correlated with poor CRC prognosis.
View Article and Find Full Text PDFIntroduction: Pralurbactam (FL058) is a novel β-lactamase inhibitor with good inhibitory activity on class A, C, and D β-lactamases. This study aimed to evaluate the pharmacokinetic/pharmacodynamic (PK/PD) relationship of pralurbactam/meropenem in a neutropenic murine thigh infection model.
Methods: After 2-h infection, neutropenic mice was treated with meropenem every 2 h alone or in combination with pralurbactam at different dosing frequencies for 24 h, and the colony count in the thighs was determined before and after treatment.
Loss to follow-up (LTFU) in antiretroviral therapy (ART) poses significant challenges in the management of HIV/AIDS. This study aims to identify socio-demographic and clinical factors influencing LTFU among patients undergoing ART in Luzhou, China, and to develop a predictive model for LTFU using Cox risk regression analysis. In this retrospective cohort study, data from 8,770 patients diagnosed with HIV infection between January 1, 2018 and December 31, 2022 who were enrolled in the national free ART program were analyzed.
View Article and Find Full Text PDFRadiodynamic therapy that employs X-rays to trigger localized reactive oxygen species (ROS) generation can tackle the tissue penetration issue of phototherapy. Although calcium tungstate (CaWO) shows great potential as a radiodynamic agent benefiting from its strong X-ray absorption and the ability to generate electron-hole (e-h) pairs, slow charge carrier transfer and fast e-h recombination greatly limit its ROS-generating performance. Herein, via a one-pot wet-chemical method, oxygen vacancy-rich amorphous/crystalline heterophase CaWO nanoparticles (Ov-a/c-CaWO NPs) with enhanced radiodynamic effect are synthesized for radiodynamic-immunotherapy of cancer.
View Article and Find Full Text PDFBackground: Mucolipidosis (ML) II and III alpha/beta are lysosomal disorders caused by mutations in the GNPTAB gene which encodes the alpha and beta subunits of the heterohexameric enzyme, N-acetylglucosamine-1-phosphotransferase.
Method: To explore the clinical and molecular characteristics of the 20 ML II and III alpha/beta patients, clinical data was collected and GNPTAB gene was analyzed by nest PCR and direct Sanger-sequencing. The activity of several lysosomal enzymes was measured in the plasma.
Clear cell renal cell carcinoma (ccRCC) characterised by its diversity and a tendency to defy standard therapeutic approaches. Amidst the advent of immunotherapy, it has become imperative to pinpoint prognostic indicators of the tumour microenvironment (TME) influence the efficacy of treatments. Employing single-cell RNA sequencing (scRNA-seq), this research delved into the diverse landscape of ccRCC, uncovering its complex underpinnings and pinpointing molecular avenues for therapeutic intervention.
View Article and Find Full Text PDFThe rapid reaction between lead iodide (PbI2) and formamidinium iodide (FAI) complicates the fabrication of high-quality formamidinium lead iodide (FAPbI3) films. Conventional methods, such as using nonvolatile small molecular additives to slow the reaction, often result in buried interfacial voids and molecule diffusion, compromising the devices' operational stability. In this study, we introduced a molecular "thruster"-a hypervalent iodine (III) compound with three carbonyl groups and a C--I⁺ bond-that possesses coordination and dissociation abilities, enabling programed modulation of perovskite-film growth kinetics.
View Article and Find Full Text PDFThis study aims to determine the effect of different high-pressure processing (HPP) conditions (100 MPa/300 MPa/500 MPa; 2 min/4 min/6 min) on copigmentation, specifically between chlorogenic acid (CA), epicatechin (Epi), gallic acid (GA), malvidin-3-O-galactoside (Mv-3-O-gal), and malvidin-3-O-arabinoside (Mv-3-O-ara), as well as the storage stability of the copigmentation solutions. The results showed that the influence of different HPP treatment conditions on copigmentation was not significant. HPP treatment did not significantly affect the λ, peak absorption, color parameters, and Mv-3-O-gal anthocyanin content when applied alone or in combination with CA and Epi.
View Article and Find Full Text PDFBackground: Higher intake of antioxidants is associated with reduced risk of various chronic diseases. However, the relationship between composite dietary antioxidants and frailty has not been characterized, especially in neurodegenerative conditions like Parkinson's disease (PD) where frailty is highly prevalent. This study aimed to investigate the association between composite dietary antioxidant index (CDAI), a composite score reflecting antioxidant vitamin and mineral intakes, and frailty risk in the general United States (US) population and PD patients.
View Article and Find Full Text PDFBackground: Imlunestrant is a next-generation, brain-penetrant, oral selective estrogen-receptor (ER) degrader that delivers continuous ER inhibition, even in cancers with mutations in the gene encoding ERα ().
Methods: In a phase 3, open-label trial, we enrolled patients with ER-positive, human epidermal growth factor receptor 2 (HER2)-negative advanced breast cancer that recurred or progressed during or after aromatase inhibitor therapy, administered alone or with a cyclin-dependent kinase 4 and 6 (CDK4/6) inhibitor. Patients were assigned in a 1:1:1 ratio to receive imlunestrant, standard endocrine monotherapy, or imlunestrant-abemaciclib.
Over the past decades, numerous studies have demonstrated that proteases serve as a crucial regulatory mechanism in controlling plant immunity. In this review, we specifically focus on the role of one subfamily of RD21-like papain-like cysteine proteases that carry a C-terminal granulin domain. These proteases share high homology but have been described under very different names in different plant species.
View Article and Find Full Text PDFBackground: The neurolytic celiac plexus block (NCPB) can be introduced through the posterior para-aortic, anterior para-aortic, posterior transaortic, or endoscopic anterior para-aortic puncture approach, as well as the posterior approach via the intervertebral disc. To reduce the complications of puncture, this block's original manual blind puncture technique can be improved upon by using a C-arm fluoroscope, computed tomography (CT), or an ultrasound, the last of which may be endoscopic.
Objective: To observe the distribution of absolute alcohol and its analgesic effect on cancer-induced upper abdominal visceral pain during percutaneous NCPB through the anterior and posterior diaphragmatic crura under CT guidance.
The histone locus body (HLB) is a membraneless organelle that determines the transcription of replication-dependent histones. However, the mechanisms underlying the appropriate formation of the HLB in the nucleus but not in the cytoplasm remain unknown. HLB formation is dependent on the scaffold protein NPAT.
View Article and Find Full Text PDFImmune checkpoint inhibitor (ICI) treatment has the potential to induce durable disease remission. However, the current combined positive score (CPS) is insufficient accurate for predicting which patients will benefit from it. In the present study, a real-world retrospective study was conducted on 56 patients of HNSCC who received ICI treatment.
View Article and Find Full Text PDFTo date, only a few submerged plants have been reported to perform C and CAM. Ottelia cordata is a heteroblastic aquatic plant developing both submerged and floating leaves throughout its life cycle. Previous research found that, besides HCO use, the submerged leaves of O.
View Article and Find Full Text PDFArch Biochem Biophys
November 2024
Glutaredoxins (Grxs) are small, heat-stable proteins that serve as multi-functional glutathione (GSH)-dependent thiol transferases. Recent studies have elucidated their role in regulating cellular iron and copper homeostases. In Schizosaccharomyces pombe, five Grxs (Grx1-5) have been identified.
View Article and Find Full Text PDFJ Chromatogr B Analyt Technol Biomed Life Sci
January 2025
Dendrobium nobile (D. nobile), a traditional herb known for its immunomodulatory and neuroprotective properties, contains characteristic alkaloids and sesquiterpene glycosides. While alkaloids have been extensively studied, research on sesquiterpene glycosides remains limited.
View Article and Find Full Text PDFRationale And Objectives: Intratumoral heterogeneity means single site tumor biopsy might not be representative. Here we develop and optimize an MRI-informed robotic multiregional 'smart' biopsy technique in retroperitoneal and pelvic sarcomas (RPS). We also explore the relationship between imaging and histological biomarkers.
View Article and Find Full Text PDFIntroduction: Patients with pulmonary metastases from differentiated thyroid carcinoma (DTC) have a significantly poorer prognosis compared to DTC patients without metastases. This study aimed to establish a nomogram combined with dynamic survival analysis to predict the survival probability of patients with pulmonary metastases from differentiated thyroid carcinoma and compensate for the underestimation of survival in patients with very poor prognosis.
Patients And Methods: Patient data were collected from the Surveillance, Epidemiological, and End Result (SEER) data resource from 2010 to 2019.
Proc Natl Acad Sci U S A
December 2024
Neutralizing antibodies (nAbs) play a crucial role in virology, antibody drug development, and vaccine research. In this study, we investigated the synergistic effect of two hepatitis E virus (HEV) nAbs, 8H3, and 8C11, which have exhibited enhanced neutralizing activity in a rhesus monkey model. We presented crystal structures of 8H3 Fab alone and a triple complex of 8C11 Fab and 8H3 Fab simultaneously binding to the HEV E2s protein (8C11:E2s:8H3).
View Article and Find Full Text PDFThe water-absorbent sensing film, coated on the surface of traditional optical fiber humidity sensors, often suffers from detachment issues. In this paper, we present what we believe to be a new fiber-optic cascaded Fabry-Perot interferometer sensor for detecting relative humidity (RH) and temperature, without the need for sophisticated instrumentation. The sensing structure comprises two sections of single-mode optical fibers and a C-shaped cavity between them.
View Article and Find Full Text PDFBackground: Postpartum urinary incontinence (UI) is a serious condition that significantly affects the quality of life. Several studies have demonstrated that it is associated with pelvic floor dysfunction. This study aimed to develop and validate a UI risk prediction model to identify primiparas with singleton pregnancies at high risk.
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