1,683,313 results match your criteria: "Centre for Cellular & Molecular Biology[Affiliation]"

Galectin-3 secreted by triple-negative breast cancer cells regulates T cell function.

Neoplasia

December 2024

Felsenstein Medical Research Center, Beilinson Campus, Petah Tikva, Israel; Tel Aviv University, Faculty of Medicine and Health Sciences, Tel Aviv, Israel; Rabin Medical Center, Beilinson Campus, Petah Tikva, Israel; Davidoff Cancer Center, Beilinson Campus, Petah Tikva, Israel. Electronic address:

Triple-negative breast cancer (TNBC) is an aggressive subtype that accounts for 10-15 % of breast cancer. Current treatment of high-risk early-stage TNBC includes neoadjuvant chemo-immune therapy. However, the substantial variation in immune response prompts an urgent need for new immune-targeting agents.

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The incidence of neurotrophic tyrosine kinase receptor (NTRK) fusion uterine sarcoma is extremely low, and reports have been mostly focused on cases localized to the cervix. So far, only 4 cases have been reported of the uterine corpus. In this study, we reported a case of NTRK fusion corpus sarcoma.

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NAC-Grafted ROS-Scavenging Polymer Nanoparticles for Modulation of Acute Lung Injury Microenvironment In Vivo.

Biomacromolecules

December 2024

MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310058, China.

-Acetyl cysteine (NAC) is an essential molecule that boosts acute lung injury (ALI) defense via its direct antioxidant capability. Nevertheless, the therapeutic use of NAC is limited due to its poor bioavailability and short half-life. In this study, NAC was grafted to the polyurethane consisting of poly(propylene fumarate), poly(thioketal), and 1,6-hexamethylene diisocyanate (PFTU) to reduce excessive oxidative stress and inflammatory factors in ALI.

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Cell-free systems, which can express an easily detectable output (protein) with a DNA or mRNA template, are promising as foundations of biosensors devoid of cellular constraints. Moreover, by encasing them in membranes such as natural cells to create artificial cells, these systems can avoid the adverse effects of environmental inhibitory molecules. However, the bacterial systems generally used for this purpose do not function well at ambient temperatures.

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A High-Efficiency Electrochemical Biosensor for the Detection of Mucosal-Associated Invariant T Cells.

Anal Chem

December 2024

Center for Cell Structure and Function, Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, Shandong 250014, China.

Mucosal-associated invariant T (MAIT) cells exhibit significant potential in the assessment of tumor development and immunotherapy. However, there is currently no convenient and efficient method to analyze the quantitative changes of MAIT cells during cancer development and treatment, which has not been extensively studied. Here, we report an electrochemical biosensor designed to efficiently monitor MAIT cells in peripheral blood by simultaneously recognizing Vα7.

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Metastasis in patients with oral squamous cell carcinoma has been associated with a poor prognosis. However, sensitive and reliable tests for monitoring their occurrence are unavailable, with the exception of PET-CT. Circulating tumor cells and cell-free DNA have emerged as promising biomarkers for determining treatment efficacy and as prognostic predictors in solid tumors such as breast cancer and colorectal cancer.

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Treatment for major depressive disorder (depression) often has partial efficacy and a large portion of patients are treatment resistant. Recent studies implicate reduced somatostatin (SST) interneuron inhibition in depression, and new pharmacology boosting this inhibition via positive allosteric modulators of α5-GABAA receptors (α5-PAM) offers a promising effective treatment. However, testing the effect of α5-PAM on human brain activity is limited, meriting the use of detailed simulations.

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Unlabelled: This paper presents the results of the evaluation of cellular and humoral immunity in chronic purulent otitis media (CPOM), as well as cytokine status, and studies the effect of azoximers bromide on the immunity system in CPOM.

Objective: To study the clinical and immunologic effectiveness of azoximer bromide in the postoperative period during tympanoplasty in CPOM patients.

Material And Methods: Forty-nine patients with mesotympanitis and epitympanitis were examined.

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Discovery, Characterization, and Application of Broad-Spectrum Antimicrobial Peptide AtR905 from as a Biocontrol Agent.

J Agric Food Chem

December 2024

Key Laboratory of Microbial Pesticides (Ministry of Agriculture and Rural Affairs), National Biopesticide Engineering Research Centre, Hubei Biopesticide Engineering Research Centre, Hubei Academy of Agricultural Sciences, Wuhan 430064, China.

This study investigates a novel antimicrobial peptide AtR905 derived from the endophytic fungus , which was successfully expressed in , purified, and characterized, and highlighted as a promising potential biocontrol agent against various plant pathogens. The results indicated AtR905 exhibited broad-spectrum antimicrobial activities against key pathogens such as and with very low minimal inhibitory concentrations (MICs). Stability tests confirmed that AtR905 retains its antimicrobial properties under varying thermal, pH, and UV conditions.

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Previously, we reported that α-synuclein (α-syn) clusters synaptic vesicles (SV) Diao et al., 2013, and neutral phospholipid lysophosphatidylcholine (LPC) can mediate this clustering Lai et al., 2023.

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Application of Proteomic Methods in Oomycete Biology.

Methods Mol Biol

December 2024

The Centre for Crop and Disease Management, Curtin University, Bentley, WA, Australia.

The biochemical makeup of any organism provides insight into key factors regarding its biological functions. These factors can be explored using proteomics, which allows us to obtain a snapshot of the protein content and abundance in an organism, cell type or sub-cellular compartment. Here, we describe proteomic methodologies that can be used to dissect the biochemical mechanism of phytopathogenicity in oomycetes.

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Objectives: Phosphorus-31 magnetic resonance spectroscopic imaging (P-MRSI) is a non-invasive tool for assessing cellular high-energy metabolism in-vivo. However, its acquisition suffers from a low sensitivity, which necessitates large voxel sizes or multiple averages to achieve an acceptable signal-to-noise ratio (SNR), resulting in long scan times.

Materials And Methods: To overcome these limitations, we propose an acquisition and reconstruction scheme for FID-MRSI sequences.

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Standard: Human gastric cancer organoids.

Cell Regen

December 2024

Guangzhou National Laboratory, Guangzhou, 510005, China.

Gastric cancer is one of the most common malignancies with poor prognosis. The use of organoids to simulate gastric cancer has rapidly developed over the past several years. Patient-derived gastric cancer organoids serve as in vitro models that closely mimics donor characteristics, offering new opportunities for both basic and applied research.

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The intraprostatic inflammatory infiltrate is characterized by Th1 CD4 T cells, and its molecular mechanism is not well defined. This study explored the mechanisms responsible for the alteration of Th1/Th17 differentiation of CD4 T cells in chronic non-bacterial prostatitis (CNP). CNP rats were induced by the administration of testosterone and 17β-estradiol.

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SUZ12-Increased NRF2 Alleviates Cardiac Ischemia/Reperfusion Injury by Regulating Apoptosis, Inflammation, and Ferroptosis.

Cardiovasc Toxicol

December 2024

Department of Cardiovascular Center, Beijing Tongren Hospital, Capital Medical University, No. 3 Chongwenmennei Street, Dongcheng District, Beijing, 100730, China.

Nuclear factor erythroid 2-related factor 2 (NRF2) is a redox-sensitive transcriptional factor that enables cells to resist oxidant responses, ferroptosis and inflammation. Here, we set out to probe the effects of NRF2 on cardiomyocyte injury under acute myocardial infarction (AMI) condition and its potential mechanism. Human cardiomyocytes were exposed to hypoxia/reoxygenation (H/R) to induce cell injury.

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Signaling pathway regulators in preimplantation embryos.

J Mol Histol

December 2024

Department of Embryology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, P.O.Box 16635-148, Tehran, Iran.

Embryonic development during the preimplantation stages is highly sensitive and critically dependent on the reception of signaling cues. The precise coordination of diverse pathways and signaling factors is essential for successful embryonic progression. Even minor disruptions in these factors can result in physiological dysfunction, fetal malformations, or embryonic arrest.

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Identifying the Pathogenicity of a Novel NPRL3 Missense Mutation Using Personalized Cortical Organoid Model of Focal Cortical Dysplasia.

J Mol Neurosci

December 2024

Department of Neurosurgery, National Children's Medical Center (Shanghai), Children's Hospital of Fudan University, No.399 Wan Yuan Avenue, Minhang District, Shanghai, 201102, China.

Focal cortical dysplasia (FCD) II is a cortical malformation characterized by cortical architectural abnormalities, dysmorphic neurons, with or without balloon cells. Here, we systematically explored the pathophysiological role of the GATOR1 subunit NPRL3 variants including a novel mutation from iPSCs derived from one FCD II patient. Three FCD II children aged 0.

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In the last decades the survival of metastatic gastrointestinal (GI) cancer patients could have been significantly extended due to the introduction of targeted- and immunotherapy. However, only the minority of patients will experience long-lasting survival. Hence, novel therapeutics are clearly necessary for GI cancer patients.

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Cells of the methylotrophic yeast Ogataea parapolymorpha have two genes encoding low-affinity phosphate transporters: PHO87, encoding the plasma membrane transporter, and PHO91, encoding a protein, which is homologous to the Saccharomyces cerevisiae vacuolar membrane transporter. Earlier, we reported that inactivation of PHO91 in O. parapolymorpha interferes with methanol utilization due to the lack of activity of methanol oxidase encoded by the MOX gene.

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Lung adenocarcinoma (LUAD) represents one of the most common subtypes of lung cancer with high rates of incidence and mortality, which contributes to substantial health and economic demand across the globe. Treatment today mainly consists of surgery, radiotherapy, and chemotherapy, but their efficacy in advanced stages is often suboptimal and emphasizes the clear need for new biomarkers and therapeutic targets. Using comprehensive bioinformatics analyses consisting of the Cancer Genome Atlas (TCGA), Gene Expression Omnibus (GEO), Human Protein Atlas (HPA) and Clinical Proteomic Tumor Analysis Consortium (CPTAC), immune infiltration analysis and functional enrichment analysis, and single-cell analysis, we examined the potential of keratin 18 (KRT18) as a candidate biomarker in advanced LUAD.

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Molecular mechanisms behind the inhibitory effects of ginsenoside Rg3 on hepatic fibrosis: a review.

Arch Toxicol

December 2024

College of Chinese Medicinal Materials, Jilin Provincial International Joint Research Center for the Development and Utilization of Authentic Medicinal Materials, Jilin Agricultural University, Changchun, 130118, China.

Hepatitis is a chronic inflammatory liver disease and an important cause of liver fibrosis, which can progress to cirrhosis and even hepatocellular carcinoma if left untreated. However, liver fibrosis is a reversible disease, so finding new intervention targets and molecular markers is the key to preventing and treating liver fibrosis. Ginseng, the roots of Panax ginseng C.

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Mitigation of depleted uranium-induced mitochondrial damage by ethylmalonic encephalopathy 1 protein via modulation of hydrogen sulfide and glutathione pathways.

Arch Toxicol

December 2024

State Key Laboratory of Trauma and Chemical Poisoning, Institute of Combined Injury, Chongqing Engineering Research Center for Nanomedicine, College of Preventive Medicine, Army Medical University, Chongqing, 400038, China.

Depleted uranium (DU) is a byproduct of uranium enrichment, which can cause heavy-metal toxicity and radiation toxicity as well as serious damage to the kidneys. However, the mechanism of renal injury induced by DU is still unclear. This study aimed to explore the role of ethylmalonic encephalopathy 1 (ETHE1) in DU-induced mitochondrial dysfunction and elucidate the underlying mechanisms.

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Dilute Povidone-Iodine Irrigation: The Science of Molecular Iodine (I2) Kinetics and Its Antimicrobial Activity.

J Am Acad Orthop Surg

January 2025

From the UC Davis Department of Orthopaedic Surgery, Sacramento, CA.

Dilute povidone-iodine (polyvinylpyrrolidone iodine [PVP-I]) irrigation in spine surgery and total joint arthroplasty has seen a rapid and substantial increase in its use during the past decade. Yet, most surgeons do not know the chemistry and biochemistry that explain its efficacy in preventing infections. PVP-I forms a complex with molecular iodine (I2), facilitating the delivery of I2 to the membrane of the infectious organism.

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Analysis of time-of-flight secondary ion mass spectrometry data of human skin treated with diclofenac using sparse autoencoder.

Anal Bioanal Chem

December 2024

Faculty of Science and Technology, Seikei University, 3-3-1 Kichijoji-Kitamachi, Musashino, Tokyo, 180-8633, Japan.

Methods that facilitate molecular identification and imaging are required to evaluate drug penetration into tissues. Time-of-flight secondary ion mass spectrometry (ToF-SIMS), which has high spatial resolution and allows 3D distribution imaging of organic materials, is suitable for this purpose. However, the complexity of ToF-SIMS data, which includes nonlinear factors, makes interpretation challenging.

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Mammalian sterile20-like kinase 1 (MST1), a serine/threonine kinase frequently expressed, has emerged as pivotal modulator of multiple physiological and pathological conditions such as cellular growth, programmed cell death, oxidative stress, neurodegeneration, inflammation, and synaptic plasticity in the central nervous system. Various neurological diseases are associated with the activation of MST1. Epilepsy is a severe neurological disorder characterized by abrupt abnormal electrical activity in the brain and recurring spontaneous seizures.

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