Publications by authors named "S E Montague"

Invasive non-typhoidal infections are responsible for >75 000 deaths/year and >500 000 cases/year globally. Seventy-five percent of these cases occur in Sub-Saharan Africa, an increasing number of which are from multi-drug resistant strains. Interactions between bacteria and platelets can lead to thrombus formation, which can be beneficial for control of infection (immunothrombosis), or harmful through uncontrolled inflammation and organ damage (thromboinflammation).

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Background: Intravenous albumin has limited indications supported by randomised controlled trials, yet it is often prescribed for indications not supported by evidence.

Aim: To reduce unnecessary transfusion of albumin.

Interventions: Under the leadership of a multidisciplinary quality improvement team, evidence-based recommendations were disseminated in tandem with a new electronic order set, an educational strategy, qualitative interviews with prescribers and a return policy change to reduce wastage.

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Background: Scott syndrome is a mild platelet-type bleeding disorder, first described in 1979, with only 3 unrelated families identified through defective phosphatidylserine (PS) exposure and confirmed by sequencing. The syndrome is distinguished by impaired surface exposure of procoagulant PS on platelets after stimulation. To date, platelet function and thrombin generation in this condition have not been extensively characterized.

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Article Synopsis
  • - GPVI, a collagen receptor on platelets, is stable in circulation but gets cleaved when platelets are activated, mainly through the action of ADAM10, a type of metalloproteinase.
  • - The study assessed the levels of Tissue Inhibitors of Metalloproteinases (TIMPs) on resting and activated platelets, finding variable levels present, particularly TIMP1 and TIMP2.
  • - Recombinant TIMP3 effectively inhibited ADAM10 activity, whereas TIMP2 only slightly reduced ligand-dependent cleavage of GPVI, indicating that while some TIMPs can influence ADAM10, they do not strongly regulate GPVI shedding.
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