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Cancer: Adenocarcinoma

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Total 121 results found since Jan 2013.

Hemorrhagic Brain Metastases as a Diagnosis of Exclusion: A Diagnostic Dilemma
We have read with great interest the study published in The American Journal of Medicine by Juan et  al.1 The authors presented a patient with symptoms of left hemiparesis and left facial palsy for whom computed tomography of the brain showed a single hemorrhagic lesion in the right basal ganglia. They also reported that the patient had a medical history of adenocarcinoma of the lung and hyperten sion. They presented a diagnostic dilemma, with hemorrhagic stroke or hemorrhagic brain metastasis as the cause of the hemorrhagic lesion.
Source: The American Journal of Medicine - February 15, 2018 Category: General Medicine Authors: Athanasios Konstantelias, Sofia Mourgela Tags: Letter Source Type: research

Chemoprevention of Barrett ’s Esophagus and Esophageal Adenocarcinoma
AbstractBarrett ’s esophagus is common in Western countries, but progression to esophageal adenocarcinoma is uncommon. Chemoprevention therefore needs to consider whether benefits outweigh risks given an otherwise healthy population. This will depend on the particular population at risk and the relative safety of a potential preventive agent. Most evidence regarding the potential benefit of chemoprevention of Barrett’s esophagus and prevention of progression to esophageal adenocarcinoma is based on observational studies such as case–control and cohort studies. Given the potential benefits and relatively low risks, pa...
Source: Digestive Diseases and Sciences - June 12, 2018 Category: Gastroenterology Source Type: research

The cigarette smoke components induced the cell proliferation and epithelial to mesenchymal transition via production of reactive oxygen species in endometrial adenocarcinoma cells.
Abstract Cigarette smoke (CS) causes about 480,000 deaths each year worldwide and is well-known to have harmful effects on the human body, leading to heart disease, stroke, lung cancer, and cardiovascular problems. In the present study, the effects of acrylonitrile (AN), benzo(a)pyrene (B(a)P), formaldehyde (FOR), isoprene (ISO), nicotine-derived nitrosamine ketone (NNK), which are the main components of CS, on the proliferation, invasion, and the epithelial-mesenchymal transition (EMT) process of human Ishikawa endometrial adenocarcinoma cells were investigated. Treating Ishikawa cells with CS components resulted...
Source: Food and Chemical Toxicology - September 17, 2018 Category: Food Science Authors: Kim SM, Hwang KA, Choi DW, Choi KC Tags: Food Chem Toxicol Source Type: research

Black pleural effusion as the presenting feature of lung cancer.
Conclusion: In the present case, the black stain most likely results from intrapleural haemolysis following haemorrhage. Pleural fluid bilirubin may be useful in evaluating pleural effusion, especially if black.
Source: European Respiratory Journal - November 19, 2018 Category: Respiratory Medicine Authors: Fernandes, V., Alfaro, T. M., Cruz, C., Cordeiro, C. R. Tags: Clinical Problems Source Type: research

Long non-coding RNA MALAT1 regulates angiogenesis following oxygen-glucose deprivation/reoxygenation.
Abstract Long non-coding RNAs (lncRNAs) have been identified as playing critical roles in multiple diseases. However, little is known regarding their roles and mechanisms in post-stroke angiogenesis. Our studies focused on deciphering the functional roles and the underlying mechanisms of the lncRNA metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) in the process of angiogenesis following oxygen-glucose deprivation/reoxygenation (OGD/R). We characterized the up-regulation of MALAT1 expression in the process of angiogenesis after hypoxic injury in vivo and in vitro. We further showed that compared with...
Source: J Cell Mol Med - February 19, 2019 Category: Molecular Biology Authors: Wang C, Qu Y, Suo R, Zhu Y Tags: J Cell Mol Med Source Type: research

LncRNA MALAT1 cessation antagonizes hypoxia/reoxygenation injury in hepatocytes by inhibiting apoptosis and inflammation via the HMGB1-TLR4 axis
In this study, elevation of MALAT1 expression was corroborated in human hepatocytes under hypoxia/reoxygenation (H/R)H/R condition. Of interest, depression of MALAT1 blunted H/R-inhibited cell viability, and counteracted lactate dehydrogenase (LDH) and malondialdehyde release. Additionally, MALAT1 cessation antagonized H/R-evoked cell apoptosis and caspase-3 activity. Simultaneously, the increased inflammatory reaction triggered by H/R stimulation was also abrogated following MALAT1 suppression by reducing pro-inflammatory cytokine transcripts and productions including IL-1β and TNF-α. Mechanistically, H/R exposure activ...
Source: Molecular Immunology - May 9, 2019 Category: Allergy & Immunology Source Type: research

Dabrafenib Plus Trametinib for BRAF V600E-Mutant Non-small Cell Lung Cancer: A Patient Case Report
We report the case of a 70-year-old Asian woman (never smoker) who was diagnosed with lung adenocarcinoma in May 2014. Testing at diagnosis was negative for programmed death ligand 1 orEGFR,ALK, andROS1 alterations. She was started on carboplatin-pemetrexed-bevacizumab and maintenance bevacizumab but progressed in September 2015. Subsequently, she progressed on second-line nivolumab and third-line docetaxel. In March 2016, pleural fluid obtained at diagnosis tested positive for theBRAF V600E mutation and she received dabrafenib plus trametinib. She experienced rapid tumor shrinkage and symptom improvement and became able t...
Source: Clinical Drug Investigation - June 26, 2019 Category: Drugs & Pharmacology Source Type: research

Nonbacterial Thrombotic Endocarditis Due to Primary Gallbladder Malignancy with Recurrent Stroke Despite Anticoagulation: Case Report and Literature Review
AbstractNonbacterial thrombotic endocarditis (NBTE) associated with malignancy is rare; its infrequency and similarity to other diagnoses make it a significant diagnostic challenge. A 63-year-old woman on rivaroxaban for prior deep vein thrombosis presented with left upper extremity weakness and left facial droop with imaging demonstrating multiple strokes. Echocardiograms revealed mitral and aortic valve vegetations. The patient was switched to apixaban and started on vancomycin and ceftriaxone for presumed culture-negative endocarditis. Despite continuing apixaban, her hospital course was complicated by new acute embolic...
Source: Journal of General Internal Medicine - July 15, 2019 Category: Internal Medicine Source Type: research

MALAT1 affects hypoxia-induced vascular endothelial cell injury and autophagy by regulating miR-19b-3p/HIF-1 α axis.
MALAT1 affects hypoxia-induced vascular endothelial cell injury and autophagy by regulating miR-19b-3p/HIF-1α axis. Mol Cell Biochem. 2020 Jan 13;: Authors: Liu H, Shi C, Deng Y Abstract Cardiovascular disease has become the leading cause of death in the world. Metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) plays an important role in cardiovascular disease, such as stroke. However, the role of MALAT1 in hypoxia (HYP)-induced vascular endothelial cells (VECs) remains unclear. In the present study, HYP-treated human umbilical vein endothelial cells (HUVECs) were utilized to simulate HY...
Source: Molecular and Cellular Biochemistry - January 12, 2020 Category: Biochemistry Authors: Liu H, Shi C, Deng Y Tags: Mol Cell Biochem Source Type: research

A Nomogram for Individual Prediction of Poor Prognosis After Radical Surgery in Patients with Primary Pancreatic Duct Adenocarcinoma.
CONCLUSIONS Our study presents a valid and practical model to predict prognosis of pancreatic cancer patients, which contributes to individualized therapy by assisting surgeons to predict poor prognosis in patients who received radical surgery. PMID: 32088726 [PubMed - as supplied by publisher]
Source: Medical Science Monitor - February 24, 2020 Category: Research Tags: Med Sci Monit Source Type: research

Structural and thermodynamic analyses of interactions between death-associated protein kinase 1 and anthraquinones
Death-associated protein kinase 1 (DAPK1) is a serine/threonine protein kinase that regulates apoptosis and autophagy. DAPK1 is considered to be a therapeutic target for amyloid- β deposition, endometrial adenocarcinomas and acute ischemic stroke. Here, the potent inhibitory activity of the natural anthraquinone purpurin against DAPK1 phosphorylation is shown. Thermodynamic analysis revealed that while the binding affinity of purpurin is similar to that of CPR005231, which is a DAPK1 inhibitor with an imidazopyridazine moiety, the binding of purpurin was more enthalpically favorable. In addition, the inhibition potencies ...
Source: Acta Crystallographica Section D - April 14, 2020 Category: Biochemistry Authors: Yokoyama, T. Wijaya, P. Kosaka, Y. Mizuguchi, M. Tags: DAPK1 kinase inhibitor purpurin – purpurin complex enthalpic forces apoptosis autophagy research papers Source Type: research

CDKN2B-AS1: An indispensable long non-coding RNA in multiple diseases.
CONCLUSIONS: Long non-coding RNA CDKN2B-AS1 likely serves as a promising therapeutic target or prognosis biomarker in multiple human diseases. PMID: 32767927 [PubMed - as supplied by publisher]
Source: Current Pharmaceutical Design - August 4, 2020 Category: Drugs & Pharmacology Authors: Song C, Qi Y, Zhang J, Guo C, Yuan C Tags: Curr Pharm Des Source Type: research

Potentially fatal complications of systemic air embolism after computed tomography ‐guided transthoracic needle biopsy in lung cancer harboring epithelial growth factor receptor mutation: A case report
Systemic air embolism developed after CT ‐guided TTNB, leading to ST‐elevation, myocardial infarction and acute ischemic stroke. The patient recovered completely without sequelae and was diagnosed with adenocarcinoma harboring activatingEGFR mutation. Treatment with gefitinib showed a response. Air embolism is a rare, fatal complication of computed tomography (CT) ‐guided transthoracic needle biopsy (TTNB) of the lung. Here, we report a patient who developed an air embolism after CT‐guided TTNB, which led to ST‐elevation myocardial infarction and acute cerebral ischemia. The patient recovered completely without c...
Source: Thoracic Cancer - October 1, 2020 Category: Cancer & Oncology Authors: Hyung ‐Joo Oh, Won Gi Jeong, Yongwhan Lim, Sang‐Joon Koh, Sung Min Lee, Min‐Seok Kim, Bo‐Gun Koh, Tae‐Ok Kim, Yoo‐Duk Choi, In‐Jae Oh, Young‐Chul Kim, Cheol‐Kyu Park Tags: CASE REPORT Source Type: research

Nonbacterial Thrombotic Endocarditis Related to Adenocarcinoma of the Uterine Cervix
We report a 66-year-old female patient who presented with acute onset of visual loss with relative afferent pupillary defect, hemineglect, hemihypesthesia, and apraxia. Magnetic resonance imaging of the brain demonstrated different stages of ischemic stroke in different vascular territories, suggesting cardiogenic embolism. Past history was significant for advanced-stage adenocarcinoma of the uterine cervix under chemoradiation treatment. On echocardiogram, vegetation at the aortic valve was observed. With the absence of evidence of infectious endocarditis, diagnosis of nonbacterial thrombotic endocarditis was made, and th...
Source: Case Reports in Neurology - December 14, 2020 Category: Neurology Source Type: research

Hyperthermia induced disruption of mechanical balance leads to G1 arrest and senescence in cells.
This study elucidates the significant role of cellular traction, focal adhesions, and cytoskeletal networks in mitotic cell rounding and chromosomal misalignment. It also highlights the significance of HDAC6 in heat-evoked senile cellular responses. PMID: 33346336 [PubMed - as supplied by publisher]
Source: The Biochemical Journal - December 21, 2020 Category: Biochemistry Authors: Mundhara N, Majumder A, Panda D Tags: Biochem J Source Type: research