Publications by authors named "Sarah Hanna"

Centrosomes and spindle pole bodies (SPB) are important for mitotic spindle formation and also serve as signaling platforms. In the fission yeast Schizosaccharomyces pombe, genetic ablation and high-resolution imaging indicate that the ɑ-helical Ppc89 is central to SPB structure and function. Here, we developed and characterized conditional and truncation mutants of ppc89.

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Centrosomes and spindle pole bodies (SPBs) are important for mitotic spindle formation and serve as cellular signaling platforms. Although centrosomes and SPBs differ in morphology, many mechanistic insights into centrosome function have been gleaned from SPB studies. In the fission yeast , the α-helical protein Ppc89, identified based on its interaction with the septation initiation network scaffold Sid4, comprises the SPB core.

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Case: A 10-year-old boy with osteosarcoma of the left distal femur underwent resection with compressive osseointegration endoprosthetic reconstruction, gradually resulting in a 4.5-cm leg-length difference with significant predicted progression. Two years after resection, he underwent right distal femur and proximal tibia epiphysiodesis and placement of a left femoral magnetic lengthening nail.

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Aim: We conducted a systematic review and evidence gap mapping to explore the existing supportive care interventions and their impact on well-being outcomes for melanoma patients and caregivers.

Methods: We searched MEDLINE, Embase, Web of Science Index Medicus, CINAHL, Lilacs, CENTRAL (Cochrane Library) and PsycINFO in December 2022, including interventional studies assessing the effectiveness of any supportive care intervention among melanoma patients and/or their caregivers.

Findings: Twenty studies were included in this review.

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Background: The SunSafe Student Ambassador Program (SSSAP) in Australia uses the peer-to-peer learning environment to educate high-school students about sun-safety.

Aims: To assess whether the SSSAP would improve knowledge, attitudes and behaviours towards sun safety in high-school students and whether this would be sustained at 3 months.

Methods: An assessment survey was delivered before, immediately after and 3 months after participation in the SSSAP in 2019.

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For patients who do not achieve adequate disease control on biologic monotherapy, or monotherapy with an oral-systemic agent such as methotrexate, combination biologic therapy may be considered. To the best of our knowledge, we report the first case assessing the safety and efficacy of the combination of an interleukin-23 (IL-23) inhibitor (risankizumab) with a tumour necrosis factor-α (TNF-α) inhibitor (golimumab) in the treatment of psoriasis and psoriatic arthritis. After twelve months of treatment with risankizumab and golimumab, our patient experienced a significant improvement in his psoriasis and psoriatic arthritis without any adverse effects to date.

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Background: Maintaining normocapnia during mechanical ventilation in anesthetized children during laparoscopic surgeries is highly recommended. There is a debate regarding the use of capnography (ETCO) as a trend monitor for evaluation of arterial carbon dioxide levels (PaCO). We analyzed the relationship between ETCO and PaCO with time in elective pediatric laparoscopic surgeries.

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Introduction: Cohorts from the electronic health record are often defined by the Current Procedural Terminology (CPT) codes. The error prevalence of CPT codes for patients receiving surgical treatment of metastatic disease of the femur has not been investigated, and the predictive value of coding ontologies to identify patients with metastatic disease of the femur has not been adequately discussed.

Methods: All surgical cases at a single academic tertiary institution from 2010 through 2015 involving prophylactic stabilization of the femur or fixation of a pathologic fracture of the femur were identified using the CPT and International Classification of Disease (ICD) codes.

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Preterm birth is a major contributor to neonatal mortality and morbidity. While the causes of preterm birth remain incompletely understood, infection is a major risk factor, and chorioamnionitis is commonly observed. Chorioamnionitis is characterized by inflammation and neutrophil infiltration of the fetal membranes (FM).

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Background: The main treatment of primary cutaneous melanoma is surgery. This review aims to assess the width of excision margin that minimises the risk of adverse outcome from surgery, locoregional recurrence, distant recurrence, and death.

Methods: PRISMA guidelines were followed.

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Total-Fix, Cary-Blair, and Para-Pak SVT parasite transport systems were compared to 10% formalin with the BD MAX Enteric Parasite Panel, using clinical and contrived samples to determine comparability and limits of detection. The three transport systems have equal or superior limits of detection for all pathogens tested compared to 10% formalin.

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Pemphigus is a group of rare and potentially fatal autoimmune blistering diseases that are associated with auto-antibodies that target intercellular adhesion molecules. Incidence of pemphigus varies among populations, with the lowest incidence in Switzerland and Finland at 0.6-0.

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Article Synopsis
  • The BD MAX™ Enteric Bacterial Panel (BDM-EBP) is an FDA-cleared test initially meant for stool samples, but this study investigates its effectiveness on rectal swabs taken from pediatric patients, which are commonly submitted for enteric pathogen testing.
  • Researchers conducted molecular testing alongside routine cultures and Shiga toxin testing on 272 rectal swab specimens, resolving any discrepancies using the Verigene® Enteric Pathogens Nucleic Acid Test.
  • Results showed that while 89 specimens tested positive through either culture or BDM-EBP, issues with false positives were addressed, leading to high agreement rates post-resolution, indicating that the BDM-EBP can effectively detect stool pathogens even from rect
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Backround: In December 2013, a multicomponent meningococcal serogroup B (4CMenB) vaccine was used before licensure on the basis of special consideration by the Food and Drug Administration to respond to an outbreak of Neisseria meningitidis B at a U.S. university.

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Background: Conventional bacterial stool culture is one of the more time-consuming tests in a routine clinical microbiology laboratory. In addition, less than 5 % of stool cultures yield positive results. A molecular platform, the BD MAX™ System (BD Diagnostics, Sparks, MD) offers the potential for significantly more rapid results and less hands-on time.

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A large fraction of submicron atmospheric aerosol particles contains both organic material and inorganic salts. As the relative humidity cycles in the atmosphere and the water content of the particles correspondingly changes, these mixed particles can undergo a range of phase transitions, possibly including liquid-liquid phase separation. If liquid-liquid phase separation occurs, the gas-particle partitioning of atmospheric semivolatile organic compounds, the scattering and absorption of solar radiation, and the reactive uptake of gas species on atmospheric particles may be affected, with important implications for climate predictions.

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The prevalence of adrenal incidentaloma (AI) on computed tomography (CT) in the general population has been reported to be as high as 4.2%. However, many of the previous studies in this field utilised a prospective approach with analysis of CT scans performed by one or more radiologists with a specialist interest in adrenal tumours and a specific focus on identifying the presence of an adrenal mass.

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This paper presents the studies of one and two component particles using a CO(2) laser for vaporization and VUV ionization in an ion trap mass spectrometer. The degree of fragmentation for a one component system was demonstrated to be a function of CO(2) laser energy. In a two component system, the degree of fragmentation was shown to be a function of the particle composition.

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An investigation of oleic acid and 2,4-dihydroxybenzoic (DHB) acid aerosols was carried out using an aerosol mass spectrometer with pulsed lasers for vaporization and ionization and an ion trap for mass analysis. The extent of ion fragmentation was studied as a function of both vaporization energy and ionization wavelength. Low CO2 laser energies in the vaporization stage and near-threshold single photon ionization resulted in the least fragmented mass spectra.

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