Publications by authors named "J Marine"

Lung metastases occur in up to 54% of patients with metastatic tumours. Contributing factors to this high frequency include the physical properties of the pulmonary system and a less oxidative environment that may favour the survival of cancer cells. Moreover, secreted factors from primary tumours alter immune cells and the extracellular matrix of the lung, creating a permissive pre-metastatic environment primed for the arriving cancer cells.

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Article Synopsis
  • Transitioning from a proliferative to an invasive melanoma phenotype increases vulnerability to ferroptosis, but the regulatory circuits behind this susceptibility are unclear.
  • Apolipoprotein E (ApoE) was identified as a key lipid-metabolism gene that helps differentiate between ferroptosis-resistant and sensitive melanoma states by protecting invasive cells from ferroptosis-inducing agents.
  • The study suggests that ApoE secretion and its expression may serve as potential biomarkers for poor response to ferroptosis in melanoma patients.
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Background: In atrial fibrillation (AF) management, understanding left atrial (LA) substrate is crucial. While both electroanatomic mapping (EAM) and late gadolinium enhancement magnetic resonance imaging (LGE-MRI) are accepted methods for assessing the atrial substrate and are associated with ablation outcome, recent findings have highlighted discrepancies between low-voltage areas (LVAs) in EAM and LGE areas.

Objective: The purpose of this study was to explore the relationship between LGE regions and unipolar and bipolar LVAs using multipolar high-density mapping.

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Background: Prior analyses of the relationship between insurance status and receipt of tests and procedures have yielded conflicting findings and have focused on outpatient care. We sought to characterize the relationship between primary payer and diagnostic and procedural intensity, comparing rates of cardiac tests and procedures in matched hospitalized Medicaid and commercially insured patients.

Methods And Results: We created a propensity score-matched sample of Medicaid and commercially insured adults hospitalized at all acute care hospitals in Kentucky, Maryland, New Jersey, and North Carolina from 2016 to 2018.

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