Publications by authors named "Collinge A"

Autologous stem cell transplantation (ASCT) is the standard of care consolidation therapy for eligible patients with myeloma but most patients eventually progress, an event associated with features of immune escape. Novel approaches to enhance antimyeloma immunity after ASCT represent a major unmet need. Here, we demonstrate that patient-mobilized stem cell grafts contain high numbers of effector CD8 T cells and immunosuppressive regulatory T cells (Tregs).

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The COVID-19 pandemic negatively impacted sleep quality. However, research regarding older adults' sleep quality during the pandemic has been limited. This study examined the association between socioeconomic background (SEB) and older adults' sleep quality during the COVID-19 pandemic.

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Autologous stem cell transplantation (ASCT) with subsequent lenalidomide maintenance is standard consolidation therapy for multiple myeloma, and a subset of patients achieve durable progression-free survival that is suggestive of long-term immune control. Nonetheless, most patients ultimately relapse, suggesting immune escape. TIGIT appears to be a potent inhibitor of myeloma-specific immunity and represents a promising new checkpoint target.

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Background: Protective malarial antibodies are acquired more rapidly in adults than children, independently of cumulative exposure, however the cellular responses mediating these differences are unknown. CD4 T-follicular helper (Tfh) cells have key roles in inducing antibodies, with Th2-Tfh cell activation associated with antibody development in malaria. Whether Tfh cell activation in malaria is age dependent is unknown and no studies have compared Tfh cell activation in children and adults with malaria.

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Background: The spread of the COVID-19 pandemic has led to a rapid reorganization in all human and hospital activities, with impact on cancer patients.

Aim: An analysis of cancer patients fears, and awareness of COVID-19 has been done in this study.

Methods And Results: We analyzed cancer patients' reactions to the pandemic and their perception of oncological care reorganization, through a 12-item survey, proposed at the peak of pandemic and 3 months later.

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Objective: The purpose of this study was to investigate if Canadian doctors of chiropractic consider using wellness strategies after functional recovery in acute and chronic conditions. This study also attempted to determine if there is a difference in the use of wellness management strategies between broad and narrow scope practitioners.

Methods: Forty-one practicing, licensed chiropractors were recruited to complete an interview survey regarding 2 mock clinical case presentations.

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Presently there is a significant effort to develop and evaluate vaccines and antibiotics against the potential bioterrorism agent Yersinia pestis. The animal models used to test these countermeasures involve the deposition of small particles within the lung. However, deliberate aerosol release of Y.

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The deposition patterns of large-particle microbiological aerosols within the respiratory tract are not well characterized. A novel system (the flow-focusing aerosol generator [FFAG]) which enables the generation of large (>10-microm) aerosol particles containing microorganisms under laboratory conditions was characterized to permit determination of deposition profiles within the murine respiratory tract. Unlike other systems for generating large aerosol particles, the FFAG is compatible with microbiological containment and the inhalational challenge of animals.

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We measured stereoacuity using TNO test on 25 patients without fixation disparity (FD) and compared the result with other 25 patients exhibited FD related to visual stress. All patients were presbyopes of ages ranging from 40 to 80 years, with visual acuity 6/6 or better in each eye, free from ocular diseases and generally healthy. The results showed statistically significant difference in the stereoacuities measured between the groups (Mann-Whitney U = 181.

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Hyphae around the periphery of colonies of Penicillium chrysogenum were subjected to hypotonic shock by flooding them with distilled water at 25 degrees C, which provoked bursting of hyphal tips. A minority of hyphal tips (26%) burst rapidly within 1.8 s of the flooding, but bursting continued to occur such that the majority of peripheral tips (51%) were found to have burst around colonies maintained in the flooded state for 2 h.

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The use of the Arden gratings (AO contrast sensitivity system) in optometric practice is evaluated. A total of 320 patients presenting for eye examination were screened with the gratings. Sixty-four eyes (10%) gave abnormal grating scores although results from conventional examination techniques revealed no abnormality.

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Centrifugation of membrane vesicles, prepared from ultrasonically disrupted Escherichia coli K12, on to a planar surface followed by slow, partial dehydration results in a high degree of parallel orientation of the membrane planes with respect to each other and the supporting surface. Rotation of such membrane multilayers about a single axis parallel with the membrane planes within the magnetic field of an electron paramagnetic resonance (e.p.

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An investigation was carried out in the relationship between the position of the binoculus and the depth (transmittance) of a monocular filter. The method used relied on changes in motor function and the linearity of the relationship found by previous workers, who used purely visual techniques, was confirmed. Some anomalous results were found which remain unexplained.

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An investigation was carried out into the effect of a monocular neutral density filter on the position of the binoculus. Two experiments were used, and it is postulated that the difference in the results obtained is due to the presence of a motor component in one of the experiments.

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An experiment is undertaken to investigate the relationship between "sighting" and motor dominance. A review of recent work on the neurophysiology of vision is carried out and an attempt to explain ocular dominance using this is made.

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Growth of the walls of hyphae of Neurospora crassa and Geotrichum candidum was studied using longitudinal and serial transverse sectioning methods. Rigidification of the hyphal wall below the extension zone did not appear to involve the gross formation of a secondary wall since the transition from extensible to non-extensible wall was not associated with an increase in thickness. However, behind the extension zone the walls leading hyphae of N.

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