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Cancer: Adenocarcinoma
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Total 766 results found since Jan 2013.
Circ_0072008, an oncogene in pancreatic ductal adenocarcinoma, contributes to tumour cell malignant progression and glycolysis by regulating miR-545-3p/SLC7A11 axis
CONCLUSION: Circ_0072088 elicited oncogenic role in malignant cell progression and glycolysis of PDAC cells through circ_0072088/miR-545-3p/SLC7A11 pathway.HighlightsCirc_0072088 was upregulated in PDAC tumours and was associated with high tumour burden.Blocking circ_0072088 suppressed cell proliferation, migration, invasion, and glycolysis in PDAC cells.Circ_0072088 could directly regulate miR-545-3p, and SLC7A11 was a target of miR-545-3p.Restoring miR-545-3p mimicked the effects of circ_0072088 knockdown in PDAC cell in vitro.PMID:35166634 | DOI:10.1080/08916934.2022.2027919
Source: Autoimmunity - February 15, 2022 Category: Allergy & Immunology Authors: Hui Sun Fang Liu Hongqing Zhang Source Type: research
Long Noncoding RNA Metastasis-Associated Lung Adenocarcinoma Transcript 1 in Extracellular Vesicles Promotes Hepatic Stellate Cell Activation, Liver Fibrosis and β-Catenin Signaling Pathway
Evidence shows that the long noncoding RNA metastasis-associated lung adenocarcinoma transcript 1 (Lnc-MALAT1) is associated with activation of hepatic stellate cells (HSCs) and liver fibrosis in animal and in vitro studies. However, its roles in human liver fibrosis and the underlying mechanism in HSC activation are not yet defined. In our current study, the expression of Lnc-MALAT1 in the fibrotic liver tissues and in the plasma extracelllar vesicles (EVs) of liver fibrosis patients was detected by FISH and qRT-PCR. The results revealed that enhanced expression of Lnc-MALAT1 was co-localized with increased expression of ...
Source: Frontiers in Physiology - February 14, 2022 Category: Physiology Source Type: research
PACER lncRNA regulates COX-2 expression in lung cancer cells
Oncotarget. 2022 Feb 4;13:291-306. doi: 10.18632/oncotarget.28190. eCollection 2022.ABSTRACTLong noncoding RNAs (lncRNAs) are known to regulate gene expression; however, in many cases, the mechanism of this regulation is unknown. One novel lncRNA relevant to inflammation and arachidonic acid (AA) metabolism is the p50-associated COX-2 extragenic RNA (PACER). We focused our research on the regulation of PACER in lung cancer. While the function of PACER is not entirely understood, PACER is known to play a role in inflammation-associated conditions. Our data suggest that PACER is critically involved in COX-2 transcription and...
Source: Oncotarget - February 9, 2022 Category: Cancer & Oncology Authors: Samuel Z Desind Joseph R Iacona Christina Y Yu Antonina Mitrofanova Carol S Lutz Source Type: research
Follicle-Stimulating Hormone Induces Lipid Droplets via G αi/o and β-Arrestin in an Endometrial Cancer Cell Line
In this study, we identify an additional mechanism of FSH-mediated signaling and downstream function in the endometrial adenocarcinoma Ishikawa cell line. While FSH did not induce increases in cAMP levels, this hormone potently activated pertussis toxin sensitive Gαi/o signaling. A selective allosteric FSHR ligand, B3, also activated Gαi/o signaling in these cells, supporting a role for receptor-mediated activation despite the low levels of FSHR mRNA. The low expression levels may attribute to the lack of Gαs/cAMP signaling as increasing FSHR expression resulted in FSH-mediated activation of the Gαs pathway. Unlike pri...
Source: Frontiers in Endocrinology - February 3, 2022 Category: Endocrinology Source Type: research
Investigation of the effects of the toll-like receptor 4 pathway on immune checkpoint vista in pancreatic cancer
In this study, we investigated the relation of TLR4 and downstream pathways with immune-check point VISTA in pancreatic cancer proliferation. We initially collected pancreatic cancer-related datasets using the GEPIA2 and UALCAN databases. Based on this data obtained the effect of various concentrations and incubation times of naloxone were used on PANC-1 cells proliferation. A combination of naloxone and VISTA-siRNA were applied, and the effect of both naloxone and combinedtreatment on TLR4, Interleukin 1 receptor associated kinase 4 (IRAK4) and VISTA gene expression were analyzed in pancreatic cancer cells. As a result of...
Source: Investigational New Drugs - February 3, 2022 Category: Drugs & Pharmacology Source Type: research
Thymidine phosphorylase induction by ionizing radiation antagonizes 5-fluorouracil resistance in human ductal pancreatic adenocarcinoma
Radiat Environ Biophys. 2022 Jan 27. doi: 10.1007/s00411-022-00962-w. Online ahead of print.ABSTRACTChemoresistance in pancreatic ductal adenocarcinoma (PDAC) frequently contributes to failure of systemic therapy. While the radiosensitizing properties of 5-fluorouracil (FU) are well known, it is unknown whether ionizing radiation (IR) sensitizes towards FU cytotoxicity. Here, we hypothesize that upregulation of thymidine phosphorylase (TP) by IR reverses FU chemoresistance in PDAC cells. The FU resistant variant of the human PDAC cell line AsPC-1 (FU-R) was used to determine the sensitizing effects of IR. Proliferation rat...
Source: Radiation and Environmental Biophysics - January 27, 2022 Category: Physics Authors: Lucas D Lee Ioannis Pozios Verena Liu Silke B Nachbichler Dirk B öhmer Carsten Kamphues Katharina Beyer Christiane J Bruns Martin E Kreis Hendrik Seeliger Source Type: research
