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Dr Kevin Cooper of the Institute for Global Food Security at Queen’s University Belfast, Northern Ireland, spoke to Kate Mosford of The
Column about the importance of accuracy, reliability, and stability in food safety analysis and the role of ultrahigh-pressure liquid chromatography tandem mass spectrometry (UHPLC–MS–MS) in his research.

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Balance maintenance relies on a complex interplay between many different sensory modalities. Although optimal multisensory processing is thought to decline with ageing, inefficient integration is particularly associated with falls in older adults. We investigated whether improved balance control, following a novel balance training intervention, was associated with more efficient multisensory integration in older adults, particularly those who have fallen in the past. Specifically, 76 healthy and fall-prone older adults were allocated to either a balance training programme conducted over 5 weeks or to a passive control condition. Balance training involved a VR display in which the on-screen position of a target object was controlled by shifts in postural balance on a Wii balance board. Susceptibility to the sound-induced flash illusion, before and after the intervention (or control condition), was used as a measure of multisensory function. Whilst balance and postural control improved for all participants assigned to the Intervention group, improved functional balance was correlated with more efficient multisensory processing in the fall-prone older adults only. Our findings add to growing evidence suggesting important links between balance control and multisensory interactions in the ageing brain and have implications for the development of interventions designed to reduce the risk of falls.

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Secondary or late graft failure has been defined as the development of inadequate marrow function after initial engraftment has been achieved. We describe a case of profound marrow aplasia occurring 13 years after sibling allogeneic bone marrow transplantation for chronic myeloid leukaemia (CML) in first chronic phase. Although the patient remained a complete donor chimera, thereby suggesting that an unselected infusion of donor peripheral blood stem cells (PBSC) or bone marrow might be indicated, the newly acquired aplasia was thought to be immune in aetiology and some immunosuppression was therefore considered appropriate. Rapid haematological recovery was achieved after the infusion of unselected PBSC from the original donor following conditioning with anti-thymocyte globulin (ATG).

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We present a patient who was diagnosed as suffering from Fanconi anaemia at the age of 36 years. At the time of diagnosis his bone marrow showed features of pre-leukaemic transformation. He received an allogeneic bone marrow transplant (BMT) from his HLA-identical sibling. The post-transplant course was unremarkable with evidence of trilineage engraftment at day +32 and no acute or chronic GVHD. He is well with sustained engraftment and no haematological evidence of Fanconi anaemia 18 months post-transplant.

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A 3-year old child with juvenile chronic myeloid leukaemia received a T cell-depleted BMT from a male unrelated donor. There was early graft failure associated with increasing splenomegaly and hypersplenism. Splenectomy was performed 53 days post-transplant and was followed by autologous marrow recovery with return of leukaemia. A second unrelated donor BMT was performed 9 months later using T cell-replete marrow from a similarly matched female donor. Grade 2 GVHD involving the skin and gut responded to treatment with steroids. Chimaerism was assessed using Y-specific polymerase chain reaction (PCR) and microsatellites. Samples taken at the time of splenectomy showed no donor marrow engraftment but there was significant engraftment in the spleen. Following the second transplant, donor-type haematopoiesis was documented using a panel of microsatellite probes. The patient remains well 6 months after transplant. Splenectomy should be considered prior to transplant in patients with significant splenomegaly and hypersplenism. Partial chimaerism in the spleen, but not bone marrow, post-BMT, has not previously been documented. PCR technology is a useful and highly sensitive way to assess chimaerism post-BMT and is informative in sex-matched cases, whilst the small amount of material required is advantageous in paediatric patients.

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The aim of this investigation was to establish median performance profiles for the six playing positions in elite women’s indoor hockey and then identify whether these position-specific profiles could discriminate between qualifying (top four), mid-table and relegated teams in the 2011-12 England Hockey premier league. Successful passing in relegated teams was significantly lower (p<0.008) than in mid-table and qualifying teams in four of the five outfield positions. Furthermore, the right backs of qualifying teams demonstrated significantly fewer (p<0.008) unsuccessful passes (x̃=15.5 ±CLs 15.0 and 10.0 respectively) and interceptions (x̃=4.0 ±CLs 4.0 and 3.0 respectively) than relegated teams (x̃=19.5 ±CLs 21.0 and 17.0; x̃=7.5 ±CLs 8.0 and 6.0 respectively). Finally, the right forwards of relegated teams demonstrated significantly fewer (p<0.008) successful interceptions (x̃=4.0 ±CLs 5.0 and 4.0 respectively) than qualifying teams (x̃=5.0 ±CLs 6.0 and 3.0 respectively) and significantly more (p<0.008) unsuccessful interceptions (x̃=5.5 ±CLs 6.0 and 4.0 respectively) than mid-table teams (x̃=3.0 ±CLs 3.0 and 2.0 respectively). Based on these findings, coaches should adapt tactical strategies and personnel deployment accordingly to enhance the likelihood of preparing a qualifying team. Research should build from these data to examine dribbling, pressing and patterns of play when outletting.

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Formal and informal partnerships have become key features of education policy and practice in many countries and managing such collaborative arrangements is an important dimension of the role(s) of leaders of educational organizations. Recent research has shown both the tensions and conflict that can develop in partnerships as well as the opportunities and benefits of partnership working for organizations and individuals. This article focuses on the characteristics of partnerships that contribute to their effectiveness, sustainability and success, filling a gap in the literature on educational partnerships. The research data emanate from a qualitative study of partnership working in England. The study used a grounded approach and inductively linked characteristics of partnerships found in the partnership literature with empirical data from a case study of a subregional partnership of education and training organizations. This combined evidence is used to conceptualize partnership as a continuum of weak to strong forms of partnership and to develop a table of characteristics which underpin such partnerships. The findings reveal the extent to which trust, networks, norms and values support effective, sustained and successful partnerships. These characteristics are differentiated and may fluctuate during the lifecourse of a partnership but remain fundamental features of partnership working and significantly contribute to the strength and effectiveness of partnerships.

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