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Filename: controllers/Detail.php
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Line: 249
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File: /var/www/html/index.php
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Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
Line: 249
Function: _error_handler
File: /var/www/html/index.php
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Severity: Warning
Message: Trying to access array offset on value of type null
Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
Line: 249
Function: _error_handler
File: /var/www/html/index.php
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Message: Trying to access array offset on value of type null
Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
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Function: _error_handler
File: /var/www/html/index.php
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Filename: models/Detail_model.php
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Function: strpos
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Function: insertAPISummary
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Filename: helpers/my_audit_helper.php
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Filename: controllers/Detail.php
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File: /var/www/html/index.php
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Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
Line: 256
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File: /var/www/html/index.php
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Filename: controllers/Detail.php
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Filename: controllers/Detail.php
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Filename: controllers/Detail.php
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Filename: controllers/Detail.php
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Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
Line: 260
Function: _error_handler
File: /var/www/html/index.php
Line: 316
Function: require_once
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Filename: controllers/Detail.php
Line Number: 260
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Function: require_once
Objective: Paroxysmal nocturnal hemoglobinuria (PNH) is a clonal non-malignant disease in which hematopoietic cell apoptosis may play an important pathophysiological role. Previous studies of the content of phosphatidylinositol (3,4,5)-trisphosphate (PI(3,4,5)P3) indicated the possibility of remote transmission of anti-apoptotic signals between pathological and normal hematopoietic progenitors.
Methods: The study determined the plasma levels of beta chemokines and cytokines in N = 19 patients with PNH and 31 healthy controls. The research material was peripheral blood plasma (EDTA) stored at -80 °C until the test. Beta chemokine and cytokine concentrations were tested in duplicate with Bio-Plex Pro Human Cytokine Assay (Bio-Rad, Hercules, CA, USA) using a Luminex 200 flow cytometer and xPONENT software (Luminex Corporation, Austin, TX, USA). In peripheral blood CD34+ cells we tested the proportions of PI(3,4,5)P3+ and Annexin binding apoptotic phenotype using FC and phosflow.
Results: Compared to the control group, the PNH group showed a significant increase in the plasma concentration of some beta chemokines and cytokines, including MIP-1alpha/CCL3, eotaxin/CCL11, MCP1/CCL2, IL4 and G-CSF. In the group of PNH patients, a significant decrease in the concentration of some cytokines was also observed: RANTES/CCL5, MIP-1beta/CCL4, PDGF-BB and IL9. At the same time, the plasma concentrations of the chemokine IP-10/CXCL10 and the cytokines IFN-gamma, TNF, IL6 and IL10 showed no significant deviations from the values for the control group. Anti-apoptotic phenotype and phosphatidylinositol (3,4,5)-trisphosphate content in PNH clone of CD34+ cells were associated with the level of CCL3 and negatively associated with CCL5, CCL4, PDGF-BB and IL9.
Conclusions: This data suggest the existence of apoptotic and PI(3,4,5)P3 imbalance in PNH CD34+ cells driven by anti-apoptotic cytokine biosignature in PNH. Plasma cytokines and intracellular enzymes that regulate the phosphoinositide pathways may become a therapeutic target in PNH.
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http://dx.doi.org/10.1016/j.cyto.2021.155780 | DOI Listing |
Front Endocrinol (Lausanne)
December 2024
Division of Endocrinology, Mayo Clinic, Jacksonville, FL, United States.
Introduction: BRAFV600E mutation (BRAF) is common in papillary thyroid cancer (PTC), and most patients have an excellent outcome. However, a TERT-promoter mutation (pTERT) in the presence of BRAF (BRAFpTERT) has been demonstrated to confer a more aggressive behavior to PTC. Lymphocytic infiltration is often present in PTC.
View Article and Find Full Text PDFAm J Physiol Lung Cell Mol Physiol
December 2024
Center for Environmental Medicine, Asthma, and Lung Biology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
Acute exposure to ozone (O) causes upper and lower airway inflammation. We and others have previously demonstrated that O oxidizes lipids, particularly cholesterol, into electrophilic oxysterols, such as secosterol B (SecoB), which can adduct proteins, thus altering cellular signaling pathways. To investigate how O-derived oxysterols influence cytokine and chemokine release, nasal epithelial cells (HNECs) from healthy donors (N = 18 donors) were exposed to 0.
View Article and Find Full Text PDFNat Commun
December 2024
Department of Biomolecular Engineering, Graduate School of Engineering, Nagoya University, Nagoya, Japan.
Biologically produced protein drugs are generally susceptible to degradation by proteases and often exhibit immunogenicity. To address this issue, mirror-image peptide/protein binders consisting of D-amino acids have been developed so far through the mirror-image phage display technique. Here, we develop a mirror-image protein binder derived from a monobody, one of the promising protein scaffolds, utilizing two notable technologies: chemical protein synthesis and TRAP display, an improved version of mRNA display.
View Article and Find Full Text PDFPLoS One
December 2024
Faculty of Engineering, Department of Chemical Engineering and Biotechnological Engineering, 3D Dynamic Cell Culture Systems Laboratory, Université de Sherbrooke, Sherbrooke, QC, Canada.
Glioblastoma multiforme (GBM) is the most prevalent malignant brain tumor, with an average survival time of 14 to 20 months. Its capacity to invade brain parenchyma leads to the failure of conventional treatments and subsequent tumor recurrence. Recent studies have explored new therapeutic strategies using a chemoattracting gradient to attract GBM cells into a soft hydrogel trap where they can be exposed to higher doses of radiation or chemotherapy.
View Article and Find Full Text PDFInflammopharmacology
December 2024
Department of Research and Development, First Floor, Molecules Biolabs Private Limited, Commercial Building Kinfra, 3/634Konoor Road, Muringur, Vadakkummuri, Koratty, Mukundapuram, Thrissur, Kerala, 680309, India.
Palmitoylethanolamide (PEA) is emerging as a promising therapeutic agent for neuropathic and other pain-related conditions. This naturally occurring fatty acid has drawn interest because of its ability to regulate pain and inflammation. Initially identified in food sources, PEA has been the subject of extensive research to elucidate its properties, efficacy, and clinical applications.
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