Publications by authors named "Hanna J"

Background: Skin cancer prevention relies on effective sun safety practices. Previous studies have shown that LGBTQ+ individuals exhibit lower sunscreen use and higher tanning bed usage compared to their non-LGBTQ+ counterparts. This study is the first to assess skin cancer risk factors, sun-protective behaviors, and skin cancer concerns among LGBTQ+ individuals across Canada.

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Vesicle Amine Transport-1 (VAT1) is a protein that is overexpressed in many cancers, including breast cancer, glioblastoma, and angiosarcoma. High VAT1 expression correlates with poor overall survival, and genetic knockout models of VAT1 indicate potent antimigratory activity, suggesting that VAT1 is a promising antimetastasis target. Recently, the natural product neocarzilin A (NCA) from was reported to be the first validated small-molecule inhibitor of VAT1, having strong activity in metastasis models of angiosarcoma and breast cancer.

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Monitoring electrical potentials with high recording site density and micrometer spatial resolution in liquid is critical in biosensing. Organic electronic materials have driven remarkable advances in the field because of their unique material properties, yet limitations in spatial resolution and recording density remain. Here, we introduce organic electro-scattering antennas (OCEANs) for wireless, light-based probing of electrical signals with micrometer spatial resolution, potentially from thousands of sites.

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Background: Chronic pelvic pain is a debilitating but common syndrome that is a burden both for patients and health systems. Pelvic congestion syndrome (PCS) contributes to 30-40% of patients presenting with chronic pelvic pain where no other cause is identified. However, PCS is poorly understood, underdiagnosed and undertreated, with the average time to diagnosis being reported as up to four years after initial presentation.

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Background: Families are often unsure how best to prepare dependent children for the death of a significant caregiver with a poor cancer prognosis and seek guidance and support from health care teams. Health and social care professionals (hereafter referred to as professionals) often lack educational opportunities to gain the desired knowledge, skills, and confidence to provide family-centered supportive cancer care. e-Learning has positively impacted access and reach, improving educational opportunities in health care.

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Digital health tools are positive for delivering evidence-based care. However, few studies have applied rigorous frameworks to understand their use in community settings. This study aimed to identify implementation determinants of the Automated Heart-Health Assessment (AH-HA) tool within outpatient oncology settings as part of a hybrid effectiveness-implementation trial.

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Introduction: Postoperative delirium (POD) is a feared complication following major surgery in elderly patients. Further investigation of the risk factors and consequences of POD following total joint arthroplasty is warranted.

Methods: Patients who underwent total knee arthroplasty (TKA) or total hip arthroplasty (THA) were identified using PearlDiver.

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Observations of maxillary (upper bill) bending in hummingbirds have been considered an optical illusion, yet a recent description of out-of-phase opening and closing between their bill base and tip suggests a genuine capacity for bill bending. We investigate bill kinematics during nectar feeding in six species of hummingbirds. We employed geometric morphometrics to identify bending zones and combined these data with measurements of bill flexural rigidity from micro-computed tomography scans to better understand the flexing mechanism.

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Importance: Antiseizure medications (ASMs) are potential teratogens commonly prescribed for multiple indications. ASM fetal exposure can impair neurodevelopment. Folate improves pregnancy outcomes, but higher doses may pose risks.

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Purpose: Health and social care professionals (professionals) often lack knowledge, skills and confidence to support adults at end of life with significant caregiving responsibilities for children, < 18. A recent systematic review highlighted a dearth of educational interventions (n = 2) to equip professionals to provide supportive care to families when a parent has cancer. Addressing an evident gap in education, this paper details the adaption and optimisation of a face-to-face educational intervention to an accessible eLearning resource.

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Rheumatic heart disease leads to significant cardiovascular morbidity and mortality globally. This case presentation emphasizes the importance of considering patients' unique socioeconomic factors, such as crowded living conditions and multigenerational housing, to implement culturally sensitive approaches to prevention, diagnosis, secondary antibiotic prophylaxis, and management.

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Unlabelled: Fires in coniferous forests throughout the northern United States alter ecosystem processes and ecological communities, including the diversity and composition of microbial communities living in the soil. In addition to its influence on ecosystem processes and functions, the soil microbiome can interact with soilborne pathogens to facilitate or suppress plant disease development. Altering the microbiome composition to promote taxa that inhibit pathogenic activity has been suggested as a management strategy for forest diseases, including Armillaria root disease caused by , which causes growth loss and mortality of conifers.

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The integration of palliative care into conventional healthcare services has demonstrated significant benefits in alleviating serious health-related suffering (SHRS), reducing symptom burden, and lowering healthcare expenditure for patients and families. Despite Lebanon's initial steps towards palliative care development, its integration remains inadequate, particularly due to the country's socio-political and economic challenges. This paper examines the current landscape of palliative care services in Lebanon, including their geographical distribution and care models, while addressing the obstacles impeding their progress.

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Introduction Appendiceal neoplasms are more prevalent in patients ≥ 40 years old who present with complicated appendicitis, especially if managed conservatively. Routine interval appendicectomy is not recommended. Follow-up bowel screening using both a CT scan and colonoscopy is recommended.

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Cryptosporidiosis is a diarrheal disease caused by infection with spp. parasites and is a leading cause of death in malnourished children worldwide. The only approved treatment, nitazoxanide, has limited efficacy in this at-risk patient population.

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Angiosarcoma is a cancer that develops in blood or lymphatic vessels that presents a significant clinical challenge due to its rarity and aggressive features. Clinical outcomes have not improved in decades, highlighting a need for innovative therapeutic strategies to treat the disease. Genetically, angiosarcomas exhibit high heterogeneity and complexity with many recurrent mutations.

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Article Synopsis
  • The study investigates the spread of mis- and disinformation related to COVID-19, highlighting its prevalence and the role of social media in amplifying false information.
  • A comprehensive review of 868 peer-reviewed articles from 2020 to 2022 was conducted, revealing that over a third focused on mitigation and prevention strategies.
  • Analysis showed a predominance of negative sentiments in the literature, with fear and sadness being the most common emotions linked to the misinformation surrounding the pandemic.
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Background: The interplay between SARS-CoV-2 and contemporaneous bacterial or fungal culture growth may have crucial implications for clinical outcomes of hospitalized patients. This study aimed to quantify the effect of microbiological culture positivity on mortality among hospitalized patients with SARS-CoV-2.

Methods: In this retrospective cohort study, we included adult hospitalized patients from OPTUM COVID-19 specific data set, who tested positive for SARS-CoV-2 within 14 days of hospitalization between 01/20/2020 and 01/20/2022.

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Article Synopsis
  • The study focuses on the role of the extraembryonic ectoderm (ExE) in mouse placenta development and its critical interactions with the embryo, which are not fully understood.
  • Researchers created a detailed single-cell model to analyze differentiation processes in both embryonic and extraembryonic cells during mouse gastrulation, using a unique method to manipulate signaling pathways.
  • Key findings show that BMP4 signaling is essential for the differentiation of various cell types, influencing the development of the placenta and embryo at different stages, indicating a complex relationship between ExE and embryonic tissues.
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Article Synopsis
  • Historian Nick Hopwood discusses the fluctuating focus on human developmental biology over time in his companion piece.
  • The article features input from researchers across eight countries who share insights on how various local factors shape the development of this field.
  • This publication celebrates the 10th anniversary of a significant meeting on the topic of stem cells and human development.
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Article Synopsis
  • Skin cancer rates in Canada are increasing rapidly, with 1 in 3 Canadians at risk, highlighting the urgent need for better understanding of risky sun exposure behaviors.* -
  • A study in Manitoba revealed significant deficiencies in sun protection habits, with over 65% of participants reporting sunburns and more than 50% having used tanning beds, coupled with misconceptions about tanning benefits.* -
  • The findings indicate a critical lack of awareness and protective actions among different demographic groups, underscoring the need for improved public health messaging to combat rising skin cancer rates.*
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Background: Postoperative delirium (POD) is frequently reported in the elderly after major surgery. Several risk factors have been identified, including age, surgical complexity, and comorbidities.

Methods: Posterior lumbar fusion patients were identified using PearlDiver and filtered into two cohorts based on the presence or absence of POD within 7 days of surgery.

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Trauma induced coagulopathy (TIC) describes a complex set of coagulation changes affecting severely injured patients. The thrombomodulin-protein C axis is believed to be central to the evolution of TIC. Soluble thrombomodulin (sTM) levels are elevated after injury.

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Article Synopsis
  • * Kocher's Criteria (KC) is a commonly used scoring system that helps distinguish SA from other conditions like transient synovitis by evaluating clinical signs and laboratory results.
  • * Current literature indicates that KC has low specificity for SA diagnosis, suggesting it shouldn’t replace more definitive methods like arthrocentesis; further research is needed to confirm its reliability in pediatric cases.
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