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Porter J, Elbur E, Lowes D, Grant S, Dimarakis I, Clayton N, Shah R, Rammohan K. P-148CARDIOPULMONARY EXERCISE TESTING–A USEFUL ADJUNCT IN DECISION MAKING IN HIGH-RISK LUNG CANCER RESECTION SURGERY: A TERTIARY REFERRAL CENTRE EXPERIENCE. Interact Cardiovasc Thorac Surg 2013. [DOI: 10.1093/icvts/ivt288.148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Furst D, Mozaffarian N, Grant S, Cifaldi M, Clewell J, Kremer J, Shaw J. FRI0156 Adalimumab treatment is associated with decreased concomitant RA medication use over 24 months. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2012-eular.2613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Kremer J, Wenkert D, Grant S, Xu P, Koenig A, Collier D. AB0472 The frequency of methotrexate (MTX) or prednisone discontinuation and of TNF inhibitor (TNFI) discontinuation/switching in rheumatoid arthritis (RA) patients results from 2002-2004 and 2007-2009 in a large us registry. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2012-eular.472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Griffiths J, Le N, Grant S, Bjorksten A, Hebbard P, Royse C. Symptomatic local anaesthetic toxicity and plasma ropivacaine concentrations after transversus abdominis plane block for Caesarean section. Br J Anaesth 2013; 110:996-1000. [DOI: 10.1093/bja/aet015] [Citation(s) in RCA: 111] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Barker D, Osmond C, Grant S, Thornburg KL, Cooper C, Ring S, Davey-Smith G. Maternal cotyledons at birth predict blood pressure in childhood. Placenta 2013; 34:672-5. [PMID: 23731799 DOI: 10.1016/j.placenta.2013.04.019] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2013] [Revised: 04/16/2013] [Accepted: 04/21/2013] [Indexed: 11/26/2022]
Abstract
INTRODUCTION A small placental surface at birth has been shown to be associated with the development of hypertension in later life. In this study we extend this observation by looking at the relationship between the number of placental cotyledons and blood pressure in childhood. Because the number of cotyledons is correlated with the surface area, we hypothesized that fewer cotyledons would be associated with higher blood pressure. METHODS The Alspac study is a longitudinal study of 13,971 children born in Bristol. Their placentas were stored in formalin. We photographed the placentas of a sample of the children and related the number of maternal cotyledons to their blood pressure levels at age 9 years. RESULTS Contrary to our hypothesis, a greater number of maternal cotyledons was associated with higher blood pressure. Among boys, a greater number of cotyledons was associated with higher systolic and diastolic pressure but not with higher pulse pressure. Diastolic pressure rose by 2.2 mmHg (95% CI 0.6 to 3.7, p = 0.007) for every 10 additional cotyledons. Among girls, a greater number of cotyledons was associated with higher systolic pressure and pulse pressure but not with higher diastolic pressure. Pulse pressure rose by 2.7 mmHg (1.1-4.3, p < 0.001) for every 10 additional cotyledons. These associations were little changed by adjustment for placental surface area. CONCLUSION Our study has shown that a large number of maternal cotyledons is associated with raised blood pressure in childhood. The associations differ in the two sexes.
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Preshaw J, Ficquet J, Burden C, Overton C, Grant S. O556 WOULD IT BE BEST PRACTICE FOR TRAINEES TO LEARN ULTRASOUND SCANNING IN A SIMULATED SETTING PRIOR TO A CLINICAL SETTING? Int J Gynaecol Obstet 2012. [DOI: 10.1016/s0020-7292(12)60986-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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McAllister K, Hickey G, Grant S, Bridgewater B, Buchan I. OP71 Discriminating Clinical Outcome Models May Drift Unacceptably: Example of Cardiac Surgery Mortality. Br J Soc Med 2012. [DOI: 10.1136/jech-2012-201753.071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Liu Z, Fei Y, Li G, Grant S, Roufogalis B, Liu J. P04.45. A systematic review of randomized clinical trials on herbal medicines for treatment of fatty liver diseases. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2012. [PMCID: PMC3373695 DOI: 10.1186/1472-6882-12-s1-p315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Kiwanuka T, Grant S, Zakai D, Jeynes P, Webster K. An evaluation of the survival rates of extra-oral implants used to retain over 200 facial prostheses over a 10 year period. Br J Oral Maxillofac Surg 2012. [DOI: 10.1016/j.bjoms.2012.04.082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Robinson W, Grant S. The ‘heart’ of the matter: that's where advance care planning engagement begins. BMJ Support Palliat Care 2012. [DOI: 10.1136/bmjspcare-2012-000250.4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Grant S. Using tele-health and web technologies to provide ACP education for informal caregivers. BMJ Support Palliat Care 2012. [DOI: 10.1136/bmjspcare-2012-000250.60] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Crooks N, Ross T, Grant S, Anmolsingh R, Gabriel A, Foggo-Osseyran A, Carroll K, Wilson C. A severe pneumonia due to methicillin resistant staphylococcus aureus clone USA 300: implications of vertical transmission. W INDIAN MED J 2012; 61:145-147. [PMID: 23155959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Staphylococcus aureus is an important pathogen in both community and healthcare associated pneumonia. We describe a case of severe pneumonia caused by the methicillin resistant Staphylococcus aureus (MRSA) clone USA 300 in a 44-year old post-partum woman and the subsequent vertical transmission of this virulent organism to her neonate.
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Lancefield T, Wai B, Patel S, Velkoska E, Sourris K, Grant S, Minson A, Ord M, Forbes J, Srivastava P, Burrell L. Are Advanced Glycation End Products (AGEs) Associated with Elevated Filling Pressures Diabetes? Heart Lung Circ 2012. [DOI: 10.1016/j.hlc.2012.05.168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Spiegel S, Milstien S, Grant S. Endogenous modulators and pharmacological inhibitors of histone deacetylases in cancer therapy. Oncogene 2011; 31:537-51. [PMID: 21725353 DOI: 10.1038/onc.2011.267] [Citation(s) in RCA: 105] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The class-I histone deacetylases (HDACs) HDAC1 and HDAC2 belong to a family of 11 zinc-dependent human HDACs and are overexpressed in many cancers. Inhibitors of these HDACs now in clinical trials show activity against several types of cancers. This review is focused on recent advances in both clinical and preclinical efforts to understand the basis for the actions of HDACis, with emphasis on implications for rational combinations with conventional or other targeted agents. We will address new perspectives on the molecular mechanisms by which HDACs act and how these actions relate to cancer. We will also review new evidence showing that HDACs are direct intracellular targets of the potent sphingolipid mediator S1P, the first identified endogenous nuclear regulator of these enzymes, linking sphingolipid metabolism in the nucleus to remodeling of chromatin and epigenetic regulation of gene expression. Understanding how endogenous molecules regulate HDAC activity in vivo may facilitate the search for safer and more effective anticancer drugs capable of interfering with HDAC functions in a highly specific manner.
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Grant S, Sivarajasingam V. Incidence of inferior alveolar and lingual nerve paraesthesia following mandibular third molar extractions: a retrospective audit of 236 cases. Br J Oral Maxillofac Surg 2011. [DOI: 10.1016/j.bjoms.2011.03.104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Griffiths JD, Barron FA, Grant S, Bjorksten AR, Hebbard P, Royse CF. Plasma ropivacaine concentrations after ultrasound-guided transversus abdominis plane block. Br J Anaesth 2010; 105:853-6. [PMID: 20861094 DOI: 10.1093/bja/aeq255] [Citation(s) in RCA: 135] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND The transversus abdominis plane block is a novel technique involving injection of local anaesthetic between the internal oblique and the transversus abdominis muscles of the abdominal wall. It is possible that injection of a large dose of local anaesthetic into a relatively vascular plane may result in toxic concentrations. One previously published study examined plasma lidocaine concentrations after transversus abdominus plane block and showed potentially toxic plasma concentrations. Although ropivacaine is most commonly used for this technique, plasma concentrations of ropivacaine after this block have not been reported previously. METHODS Adult female patients undergoing elective open gynaecological surgery received bilateral ultrasound-guided transverse abdominal plane blocks before surgical incision (3 mg kg(-1) of ropivacaine diluted to 40 ml). Venous blood was collected each 15 min for the first hour, each 30 min for the second hour, and then at 3, 4, 12, and 24 h post-block. RESULTS Twenty-eight patients were recruited. The mean (sd) peak total ropivacaine concentration occurred 30 min post-injection and was 2.54 (sd 0.75) µg ml(-1). The highest measured concentration was 4.00 µg ml(-1), also 30 min post-injection. Mean total concentrations remained above 2.20 µg ml(-1) for up to 90 min post-injection. The mean unbound peak venous concentration was 0.14 (0.05) µg ml(-1), and the peak was 0.25 µg ml(-1). CONCLUSIONS Transversus abdominus plane block using 3 mg kg(-1) of ropivacaine produces venous plasma concentrations that are potentially neurotoxic, although broadly consistent with plasma levels found after injection at other comparable sites.
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Jones M, McManus RJ, Hobbs FDR, Mant J, Williams B, Bryan S, Little P, Bray EP, Greenfield SM, Holder R, Grant S, Virdee S. A RANDOMISED CONTROLLED TRIAL OF TELEMONITORING AND SELF MANAGEMENT IN THE CONTROL OF HYPERTENSION: TELEMONITORING AND SELF MANAGEMENT IN HYPERTENSION (TASMINH2): QUALITATIVE STUDY: PP.14.20. J Hypertens 2010. [DOI: 10.1097/01.hjh.0000378946.57039.9d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Dickson MA, Rathkopf DE, Grant S, Roberts JD, Reid JM, Ames MM, McGovern RM, Gonen M, Dials HJ, Schwartz GK. Phase I trial of pulse-dose vorinostat with flavopiridol in solid tumors. J Clin Oncol 2010. [DOI: 10.1200/jco.2010.28.15_suppl.e13511] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Grant S. Oxford specialist handbooks in surgery: oral and maxillofacial surgery. Br Dent J 2010. [DOI: 10.1038/sj.bdj.2010.430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Tibber MS, Melmoth DR, Grant S, Morgan MJ. Eye movements and visuospatial perceptual extrapolations compete for common resources. J Vis 2010. [DOI: 10.1167/9.8.397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Harrop-Griffiths W, Prineas S, Grant S. ‘The workman is worthy of his hire’* What is an anaesthetist worth in 2010? Anaesthesia 2010; 65:325-7. [DOI: 10.1111/j.1365-2044.2010.06326.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Wai B, Patel S, Ord M, Grant S, Srivastava P, Burrell L. Predictive Value of Left Ventricular Mass and Geometry in Type 2 Diabetes Mellitus for Adverse Cardiovascular Events. Heart Lung Circ 2010. [DOI: 10.1016/j.hlc.2010.06.789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Rambal AA, Panaguiton ZLG, Kramer L, Grant S, Harada H. MEK inhibitors potentiate dexamethasone lethality in acute lymphoblastic leukemia cells through the pro-apoptotic molecule BIM. Leukemia 2009; 23:1744-54. [PMID: 19404317 PMCID: PMC2761998 DOI: 10.1038/leu.2009.80] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Glucocorticoids (GC) are common components of many chemotherapeutic regimens for lymphoid malignancies. GC-induced apoptosis involves an intrinsic mitochondria-dependent pathway. We and others have shown that BIM (BCL-2 interacting mediator of cell death), a BH3-only pro-apoptotic protein, is up-regulated by dexamethasone (Dex) treatment in acute lymphoblastic leukemia (ALL) cells and plays an essential role in Dex-induced apoptosis. Furthermore, BIM is inactivated by extracellular signal-regulated kinase (ERK)-mediated phosphorylation. We therefore hypothesized co-treatment with Dex and MEK/ERK inhibitors would promote apoptosis in ALL cells through BIM up-regulation and activation. We show here that MEK inhibitors (PD184352 and PD98059) synergistically enhance Dex lethality in a variety of ALL cells and in two primary ALL specimens. Co-treatment with Dex and PD184352 results in BIM accumulation, pro-apoptotic BAX/BAK activation, and cytochrome c release from mitochondria. Down-regulation of BIM by short-hairpin RNA in ALL cells suppressed BAX/BAK activation, cytochrome c release, and cell death by Dex/PD184352 co-treatment. BIM accumulated by this treatment sequesters anti-apoptotic BCL-XL/MCL-1, resulting in the release of BAK from these anti-apoptotic molecules. This study provides a rational foundation for future attempts to improve the activity of glucocorticoids with clinically relevant pharmacologic MEK inhibitors in the treatment of ALL and possibly other hematologic malignancies.
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Fritsch T, Kwak J, Grant S, Lang J, Montgomery RR, Basting AD. Impact of TimeSlips, a Creative Expression Intervention Program, on Nursing Home Residents With Dementia and their Caregivers. THE GERONTOLOGIST 2009; 49:117-27. [DOI: 10.1093/geront/gnp008] [Citation(s) in RCA: 95] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Mitsiades C, Richardson PG, Grant S, Pei XY, Berenson JR, Richon V, Garcia-Vargas J, Rizvi S, Anderson KC. B257 Vorinostat in Combination with Other Anti-MM Agents. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/s1557-9190(11)70694-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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