Papers by William Gilmore
Nutrients, 2017
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Frontiers in Immunology
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Frontiers in Immunology
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Thrombosis research, Jan 1, 2005
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British journal of haematology, Jan 1, 2005
Most acute promyelocytic leukaemia (APL) patients suffer from disordered haemostasis. APL can be ... more Most acute promyelocytic leukaemia (APL) patients suffer from disordered haemostasis. APL can be treated successfully in most instances by all-trans retinoic acid (ATRA) therapy, which induces endpoint maturation of the leukaemic promyelocytes with the characteristic t(15;17). Annexin II (AnII), a profibrinolytic protein, has been implicated in the bleeding manifestation seen in APL. Our group has shown previously that high levels of AnII are expressed on other acute myeloid leukaemia subtypes that are sometimes associated with disordered haemostasis, albeit less frequently than APL. This study examined the effects of ATRA on AnII expression and cell differentiation, on myeloid leukaemia cell lines to determine whether a regulatory influence on AnII may contribute to the return of haemostatic stability in APL following treatment. The results confirmed that AnII expression in the APL cell line (NB4) was significantly downregulated in response to ATRA (P < 0·01), with associated morphological and immunophenotypical evidence of myeloid differentiation. ATRA also downregulated AnII expression on other myeloid cell lines, albeit to a lesser extent than observed on NB4 cells. The results provide evidence that ATRA may resolve the hyperfibrinolysis in APL by downregulation of AnII expression.
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Handbook of Vascular Biology Techniques, 2015
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British Journal of Biomedical Science, Feb 1, 2000
Multimedia computer-aided learning (CAL) is an area that has become increasingly prevalent in bio... more Multimedia computer-aided learning (CAL) is an area that has become increasingly prevalent in biomedical science. Here we describe the advances that have taken place in the computing industry that have led to this trend. We also outline areas within the subject of biomedical science that can most benefit from using multimedia CAL as a teaching aid. Furthermore, issues concerning the design of CAL (i.e. iterative design, structure, development tools) are discussed. As the evaluation of CAL is an essential part of the iterative design process, we look at new approaches to evaluation that have emerged in response to the superficial focus on usability that many evaluations take.
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Applied Physiology Nutrition and Metabolism
Angiotensin converting enzyme (ACE) and bradykinin receptor B2 (B2R) genetic variation may affect... more Angiotensin converting enzyme (ACE) and bradykinin receptor B2 (B2R) genetic variation may affect thirst because of effects on angiotensin II production and bradykinin activity, respectively. To examine this, 45 healthy Caucasian men completed 60 min of cycle exercise at 62% ± 5% peak oxygen uptake in a room heated to 30.5 ± 0.3 °C with ad libitum fluid intake. Blood samples were collected pre-, mid-, and immediately post-cycle. Fluid intake, body mass loss (BML), sweat loss (determined via changes in body mass and fluid intake), and thirst sensation were recorded. All participants were genotyped for the ACE insert fragment (I) and the B2R insert sequence (P). Participants were homozygous for the wild-type allele (WW or MM), heterozygous (WI or MP) or homozygous for the insert (II or PP). No differences between genotype groups were found in mean (±SD) voluntary fluid intake (WW: 613 ± 388, WI: 753 ± 385, II: 862 ± 421 mL, p = 0.31; MM: 599 ± 322, MP: 745 ± 374, PP: 870 ± 459 mL, p =...
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Cytokine, 2014
C-reactive protein (CRP) is the most acute-phase reactant serum protein of inflammation and a str... more C-reactive protein (CRP) is the most acute-phase reactant serum protein of inflammation and a strong predictor of cardiovascular disease. Its expression is associated with atherosclerotic plaque instability and the formation of immature micro-vessels. We have previously shown that CRP upregulates endothelial-derived Notch-3, a key receptor involved in vascular development, remodelling and maturation. In this study, we investigated the links between the bioactive monomeric CRP (mCRP) and Notch-3 signalling in angiogenesis. We used in vitro (cell counting, wound-healing and tubulogenesis assays) and in vivo (chorioallantoic membrane) angiogenic assays and Western blotting to study the angiogenic signalling pathways induced by mCRP and Notch-3 activator chimera protein (Notch-3/Fc). Our results showed an additive effect on angiogenesis of mCRP stimulatory effect combined with Notch-3/Fc promoting bovine aortic endothelial cell (BAEC) proliferation, migration, tube formation in Matrigel(TM) with up-regulation of phospho-Akt expression. The pharmacological blockade of PI3K/Akt survival pathway by LY294002 fully inhibited in vitro and in vivo angiogenesis induced by mCRP/Notch-3/Fc combination while blocking Notch signalling by gamma-secretase inhibitor (DAPT) partially inhibited mCRP/Notch-3/Fc-induced angiogenesis. Using a BAEC vascular smooth muscle cell co-culture sprouting angiogenesis assay and transmission electron microscopy, we showed that activation of both mCRP and Notch-3 signalling induced the formation of thicker sprouts which were shown later by Western blotting to be associated with an up-regulation of N-cadherin expression and a down-regulation of VE-cadherin expression. Thus, mCRP combined with Notch-3 activator promote angiogenesis through the PI3K/Akt pathway and their therapeutic combination has potential to promote and stabilize vessel formation whilst reducing the risk of haemorrhage from unstable plaques.
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Applied Physiology, Nutrition, and Metabolism, 2015
Angiotensin converting enzyme (ACE) and bradykinin receptor B2 (B2R) genetic variation may affect... more Angiotensin converting enzyme (ACE) and bradykinin receptor B2 (B2R) genetic variation may affect thirst because of effects on angiotensin II production and bradykinin activity, respectively. To examine this, 45 healthy Caucasian men completed 60 min of cycle exercise at 62% ± 5% peak oxygen uptake in a room heated to 30.5 ± 0.3 °C with ad libitum fluid intake. Blood samples were collected pre-, mid-, and immediately post-cycle. Fluid intake, body mass loss (BML), sweat loss (determined via changes in body mass and fluid intake), and thirst sensation were recorded. All participants were genotyped for the ACE insert fragment (I) and the B2R insert sequence (P). Participants were homozygous for the wild-type allele (WW or MM), heterozygous (WI or MP) or homozygous for the insert (II or PP). No differences between genotype groups were found in mean (±SD) voluntary fluid intake (WW: 613 ± 388, WI: 753 ± 385, II: 862 ± 421 mL, p = 0.31; MM: 599 ± 322, MP: 745 ± 374, PP: 870 ± 459 mL, p = 0.20), percentage BML or any other fluid balance variables for both the ACE and B2R genes, respectively. Mean thirst perception in the B2R PP group, however, was higher (p &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;lt; 0.05) than both MM and MP at 30, 45, and 60 min. In conclusion, the results of this study suggest that voluntary fluid intake and fluid balance in healthy men performing 60 min of moderate-intensity exercise in the heat are not predominantly influenced by ACE or B2R genetic variation.
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Nutrition, 2014
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Lasers in Surgery and Medicine, 1996
The purpose of this study was to evaluate the possible role of reactive oxygen species (ROS) in m... more The purpose of this study was to evaluate the possible role of reactive oxygen species (ROS) in mediating previously recorded alterations in DNA synthesis, inducible by low-intensity laser irradiation (LILI), in the haemopoietic cell line U937. The ability of LILI (660 nm, 12 mW, 5 kHz) to induce ROS from U937 cells was assessed spectrophotometrically at energy densities (E.D.) from 1.0 to 11.5 J/cm2. In order to assess whether laser-induced ROS could alter cellular proliferation DNA synthesis was measured post-irradiation, by the incorporation of tritiated thymidine (3H-TdR) into the cells in both the presence and absence of the antioxidant catalase (CAT). Detectable ROS were produced post-irradiation only from the differentiated form of the cell line. Analysis by Student&amp;amp;amp;amp;#39;s t-test for unrelated groups showed a significant difference, at E.D.s 2.9 and 8.6 J/cm2, in the extent of DNA synthesis occurring in cells irradiated in the presence of CAT or in its absence. These findings demonstrate that laser-inducible ROS can mediate laser&amp;amp;amp;amp;#39;s effects on this cell line.
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Thrombosis research, 2005
Acute promyelocytic leukaemia (APL) (M3) is associated with both a characteristic t(15;17) and se... more Acute promyelocytic leukaemia (APL) (M3) is associated with both a characteristic t(15;17) and severe bleeding diathesis caused by disseminated intravascular coagulation (DIC) and/or hyperfibrinolysis. It has been suggested that annexin II, a coreceptor for tissue plasminogen activator (t-PA) and plasminogen (PLG), is overexpressed on the surface of promyelocytes, leading to an increased fibrinolytic potential.
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cmft.nhs.uk
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Clinical Chemistry, 2005
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Papers by William Gilmore