Publications by authors named "Dana Pearl"

Background: In Canada, after completing their treatment at oncology centers in tertiary care facilities, most breast cancer patients are discharged and receive survivorship care from primary care providers (PCPs). Evidence-based guidelines exist to inform appropriate care for breast cancer survivor follow-up.

Objectives: This study analyzed the concordance of breast cancer survivorship follow-up care by PCPs with recommended guidelines at an academic Family Health Team (FHT) in Ottawa.

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Introduction: The COVID-19 pandemic has had a significant impact on the health and wellbeing of people worldwide. General practices were forced to adapt to constantly changing circumstances, leading to predominance of virtual consultations. The aim of this study was to examine the impact the pandemic had on the ability of patients to access general practice.

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Background/Aim: Since the onset of the COVID-19 pandemic, virtual consultations have become commonplace, and access to healthcare more complex. The study was designed to examine the impact COVID-19 has had on access to general practice care in Ireland. Methods: A 25-question online survey was designed in Qualtrics®.

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Deregulation of mRNA translation engenders many human disorders, including obesity, neurodegenerative diseases, and cancer, and is associated with pathogen infections. The role of eIF4E-dependent translational control in macrophage inflammatory responses in vivo is largely unexplored. In this study, we investigated the involvement of the translation inhibitors eIF4E-binding proteins (4E-BPs) in the regulation of macrophage inflammatory responses in vitro and in vivo.

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Herpes Simplex Virus 1 (HSV1) is amongst the most clinically advanced oncolytic virus platforms. However, efficient and sustained viral replication within tumours is limiting. Rapamycin can stimulate HSV1 replication in cancer cells, but active-site dual mTORC1 and mTORC2 (mammalian target of rapamycin complex 1 and 2) inhibitors (asTORi) were shown to suppress the virus in normal cells.

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The mechanisms that link environmental and intracellular stimuli to mitochondrial functions, including fission/fusion, ATP production, metabolite biogenesis, and apoptosis, are not well understood. Here, we demonstrate that the nutrient-sensing mechanistic/mammalian target of rapamycin complex 1 (mTORC1) stimulates translation of mitochondrial fission process 1 (MTFP1) to control mitochondrial fission and apoptosis. Expression of MTFP1 is coupled to pro-fission phosphorylation and mitochondrial recruitment of the fission GTPase dynamin-related protein 1 (DRP1).

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Translational control of gene expression plays a key role during the early phases of embryonic development. Here we describe a transcriptional regulator of mouse embryonic stem cells (mESCs), Yin-yang 2 (YY2), that is controlled by the translation inhibitors, Eukaryotic initiation factor 4E-binding proteins (4E-BPs). YY2 plays a critical role in regulating mESC functions through control of key pluripotency factors, including Octamer-binding protein 4 (Oct4) and Estrogen-related receptor-β (Esrrb).

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