Publications by authors named "Pallister C"

Article Synopsis
  • Obesity substantially strains healthcare resources, particularly with limited support from the NHS; this study evaluated the effectiveness of a behavioral program (Slimming World) over 24 months based on BMI and socioeconomic status.
  • The study analyzed data from over 27,500 adults referred to Slimming World in 2016, showing a mean weight change of -5.6% at 3 months, reaching -7.3% by 24 months, with significant differences in weight loss based on BMI categories.
  • Changes in dietary behaviors were similar across BMI categories, but increased physical activity was less pronounced among individuals with higher BMI; socioeconomic status influenced some lifestyle changes, particularly those related to sugary drink consumption and physical activity levels.
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Scaled interventions are required to address levels of overweight and obesity and reduce health inequalities. Little data is available on the effectiveness of community weight management programmes for participants self-selecting to attend across different socio-economic backgrounds. This analysis investigates 3, 6, and 12-month outcomes of adults joining a real-life community weight management programme.

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Optimizing diabetes management in patients with complex type 2 diabetes (T2DM) and obesity presents challenges. This study evaluates weight and HbA1c at 12 months (primary outcomes) and blood pressure, lipids, medication and lifestyle changes (secondary outcomes) in patients referred by a diabetes specialist (DSN) to the weight management intervention (Slimming World). Patients attended up to 12 or 24 funded weekly group sessions.

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Phthalates have detrimental effects on health and have been shown to dysregulate the immune system of mammals, birds, and fish. We recently reported that di(2-ethylhexyl) phthalate exposure reduces the abundance and inhibits the proliferation of rainbow trout (Oncorhynchus mykiss) IgM(+) B lymphocytes and expression of secreted immunoglobulin heavy-chain mu transcripts in an in vitro culture system. We proposed that phthalates act as immunomodulators by modifying the normal B cell-activation pathways by accelerating B cell differentiation while suppressing plasmablast expansion, thus resulting in fewer IgM-secreting plasma cells.

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Background: Over sixty percent of adults in the UK are now overweight/obese. Weight management on a national scale requires behavioural and lifestyle solutions that are accessible to large numbers of people. Evidence suggests commercial weight management programmes help people manage their weight but there is little research examining those that pay to attend such programmes rather than being referred by primary care.

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Background: It is not clear if behaviour change programmes are more or less effective for weight management in people with high BMIs than for those who are moderately overweight. An earlier service evaluation reported on the rate and extent of weight loss in a primary care/commercial weight management organisation partnership scheme, in 34,271 patients were referred by their health care professionals to a UK commercial weight management organisation, Slimming World for 12 weekly sessions. This project updated that service evaluation by examining weight loss outcomes as a function of initial BMI in the same 34,271 patients.

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Background: Family-based approaches are recommended for the prevention and management of childhood obesity. Given the large numbers of obese children, scalable practical solutions are required. The present study evaluated a family-based national programme that aimed to empower adolescents to adopt healthier lifestyles.

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Background:   There are few practical, scalable, community-based solutions that provide ongoing support to combat the recent rapid rise in obesity in young people. A commercial weight management organisation (CWMO) has developed a tailored version of its programme for young people. The present study assessed the programme's impact on self-reported body weight, body mass index (BMI; kg m(-2) ) and health-related behaviour changes in participating young people.

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What Is Already Known On This Subject: •  There is growing evidence of the effectiveness of commercial weight management programmes in the community. A recent randomized controlled trial has shown commercial providers to be more effective than NHS providers for weight management solutions in primary care. Some commercial weight management providers have established national slimming on referral schemes for weight management, which result on average in weight losses of 4-5% over a 12-week referral period.

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Objective: This project audited rate and extent of weight loss in a primary care/commercial weight management organisation partnership scheme.

Methods: 34,271 patients were referred to Slimming World for 12 weekly sessions. Data were analysed using individual weekly weight records.

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Background: Understanding the impact of commercial weight management programmes on behaviour change is an area that requires greater evidence. The present study investigated the impact of a commercial weight management organisation's diet and activity programmes on the lifestyles of those accessing the services and their families.

Methods: This survey was based on self-reports from a group of people involved in their own weight control.

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Anaemia is not an inconsequential side effect of cancer and its treatment should not be ignored. Current practice for anaemia management varies and its role in influencing outcome in cancer patients is under recognized. As a common complication of cancer, anaemia is prevalent in virtually all tumour types to varying degrees.

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Pure red cell aplasia (PRCA) is a rare condition characterised by an arrest in red blood cell production, which may be congenital or acquired. Recombinant human erythropoietin (epoetin) was introduced in 1989 for the treatment of anaemia of chronic kidney disease patients and has maintained an excellent therapeutic and safety record while treating hundreds of thousands of patients. A very rare, but serious adverse event associated with epoetin administration is a condition in which patients develop neutralising anti-erythropoietin antibodies and, consequently, PRCA.

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Recombinant human erythropoietin (rHuEPO) is an effective treatment for anemia in patients with cancer, and recent studies show that over two-thirds of patients can be expected to respond with a large increase (>2 g/dl) in hemoglobin concentration. However, it would be helpful to identify likely responders and nonresponders before initiating treatment. Previous studies have suggested that high pretreatment endogenous erythropoietin levels are associated with a lower response to erythropoietin, especially in certain patient groups, such as patients with hematological malignancies, non-chemotherapy patients, or patients with myelodysplastic syndrome.

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This study assesses whether the kinetic response of AML cells to HGFs might help to predict initial clinical outcome of treatment in de novo AML in association with age, FAB type and karyotype. Best subset regression analysis indicated optimal variables to develop models to predict prognosis. High S-phase in surviving cells following 7 days incubation in SFM, resistance to stimulation by G+GM-CSF and poor karyotype taken in combination correctly predicted outcome in 83% of patients.

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The type III tyrosine kinase receptor c-KIT and its ligand stem cell factor (SCF; also known as KIT ligand, mast cell growth factor and steel factor) are closely involved in the regulation of a wide range of tissues at different stages of life. This review provides an outline of the discovery, structure and expression of SCF and c-KIT but concentrates on their respective roles in the regulation of human haemopoiesis and how this knowledge might be exploited in the clinical setting.

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The scarcity of viable tissue samples for leukaemia research is widely recognised and currently restrictive. Archival bone-marrow smears present a valuable resource that can be exploited easily for mutational analysis. Here, a modified technique to extract DNA is described, and used subsequently for mutation/polymorphism screening of the stem-cell factor receptor proto-oncogene c-kit in 23 patients with acute myeloid leukaemia (AML).

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The enzyme vitamin K1 2,3 epoxide reductase is responsible for converting vitamin K1 2,3 epoxide to vitamin K1 quinone thus completing the vitamin K cycle. The enzyme is also the target of inhibition by the oral anticoagulant, R,S-warfarin. Purification of this protein would enable the interaction of the inhibitor with its target to be elucidated.

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In this study, we show that the adapter proteins CrkL and Cbl undergo increases in tyrosine phosphorylation and form an intracellular complex in platelets stimulated with the snake venom toxin convulxin, a selective agonist at the collagen receptor glycoprotein VI (GPVI). Constitutive tyrosine phosphorylation of CrkL has previously been reported in platelets from chronic myeloid leukaemia (CML) patients. This was confirmed in the present study, and shown to result in a weak constitutive association of CrkL with Cbl and a number of other unidentified tyrosine-phosphorylated proteins.

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Antimicrobial drugs may influence neutrophil-microbe interactions in several ways, and, conversely, neutrophils may interfere with the action(s) of antimicrobial drugs. Here, evidence for the existence of such effects is evaluated and attention drawn to the problems of in vitro experimentation in this area. The review is restricted to those studies that used human neutrophils, clinically achievable drug concentrations, and were well designed.

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