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Holmes G, Ferguson SR, Lewis PA, Echeverri K. LRRK2 kinase activity is necessary for development and regeneration in Nematostella vectensis. Res Sq 2023:rs.3.rs-3525606. [PMID: 37986927 PMCID: PMC10659525 DOI: 10.21203/rs.3.rs-3525606/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
Background The starlet sea anemone, Nematostella vectensis, is an emerging model organism with a high regenerative capacity, which was recently found to possess an orthologue to the human LRRK2 gene (nvLRRK2). The leucine rich repeat kinase 2 (LRRK2) gene, when mutated, is the most common cause of inherited Parkinson's Disease (PD). Its protein product (LRRK2) has implications in a variety of cellular processes, however, the full function of LRRK2 is not well established. Current research is focusing on understanding the function of LRRK2, including both its physiological role as well as its pathobiological underpinnings. Methods We used bioinformatics to determine the cross-species conservation of LRRK2, then applied drugs targeting the kinase activity of LRRK2 to examine its function in development, homeostasis and regeneration in Nematostella vectensis. Results An in-silico characterization and phylogenetic analysis of nvLRRK2 comparing it to human LRRK2 highlighted key conserved motifs and residues. In vivo analyses inhibiting the kinase function of this enzyme demonstrated a role of nvLRRK2 in development and regeneration of N. vectensis. These findings implicate a developmental role of LRRK2 in Nematostella, adding to the expanding knowledge of its physiological function. Conclusions Our work introduces a new model organism with which to study LRRK biology. We show a necessity for LRRK2 in development and regeneration. Given the short generation time, genetic trackability and in vivo imaging capabilities, this work introduces Nematostella vectensis as a new model in which to study genes linked to neurodegenerative diseases such as Parkinson's.
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Halling R, Fechner N, Holmes G, Davoodian N. Kgaria ( Boletaceae, Boletoideae) gen. nov. in Australia: Neither a Tylopilus nor a Porphyrellus. Fungal Syst Evol 2023; 12:31-45. [PMID: 38455954 PMCID: PMC10918407 DOI: 10.3114/fuse.2023.12.02] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 07/23/2023] [Indexed: 03/09/2024] Open
Abstract
Kgaria is described as a new porphyrellus-like genus of Boletaceae to accommodate Tylopilus cyanogranulifer, a dark brown to dull lilac/violet, or rarely, nearly black bolete with a series of oxidation reactions progressing from blue to red then nearly black and a dark brown spore deposit. Idiosyncratic blue-green pigment encrustations (cyanogranules) and a similarly colored reaction of the hyphae located on pileus and stipe surfaces are also diagnostic. Phylogenetic analyses of nuclear large-subunit rDNA (nrLSU), translation elongation factor 1-alpha (tef-1), and the second largest subunit of RNA polymerase II (rpb2) infer Kgaria as a unique generic lineage with two species, one of which is newly described (K. similis). Tylopilus olivaceoporus, originally described at the same time and as distinct from T. cyanogranulifer, appears to be conspecific with the latter. Some darkly pigmented taxa with similar oxidation reactions that were recently described from Brazil, Guyana, and China are further supported by morphology and molecular data as discrete lineages in separate genera in subfamily Boletoideae. Citation: Halling RE, Fechner NA, Holmes G, Davoodian N (2023). Kgaria (Boletaceae, Boletoideae) gen. nov. in Australia: Neither a Tylopilus nor a Porphyrellus. Fungal Systematics and Evolution 12: 31-45. doi: 10.3114/fuse.2023.12.02.
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Affiliation(s)
- R.E. Halling
- Department of Research & Conservation, Denver Botanic Gardens, 909 York St, Denver CO 80206 USA; Institute of Systematic Botany, New York Botanical Garden, 2900 Southern Blvd, Bronx, NY 10458, USA
| | - N.A. Fechner
- Queensland Herbarium, Mt Coot-tha Road, Toowong, Brisbane, QLD 4066, Australia
| | - G. Holmes
- Royal Botanic Gardens Victoria, South Yarra, VIC 3141, Australia
| | - N. Davoodian
- Royal Botanic Gardens Victoria, South Yarra, VIC 3141, Australia
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Berg AC, Padilla HM, Sanders CE, Garner CT, Southall HG, Holmes G, Ashley S, Crosson L, Twilley B, Everson DD, Hubbard R, Brown CS, Lamm AJ, Johnson LP, Davis M. Community Gardens: A Catalyst for Community Change. Health Promot Pract 2023; 24:92S-107S. [PMID: 36999494 DOI: 10.1177/15248399221120808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/01/2023]
Abstract
Community gardens are increasing in popularity and are associated with extensive physical and mental health benefits, increased access to fresh produce, and increased social connections. However, evidence is primarily from research in urban and school settings, and little is known about the role of community gardens in rural settings as part of policy, systems, and environmental (PSE) changes to promote health. This study explores the implementation of community gardens as part of an obesity prevention project, titled Healthier Together (HT), in five rural Georgia counties with limited food access and high obesity prevalence (>40%) using a mixed-methods research design that included data from project records, a community survey, interviews, and focus groups with county coalition members. Nineteen community gardens were implemented across five counties, 89% distributed produce direct to consumers, and 50% were integrated into the food system. Few (8.3%) of the survey respondents (n = 265) identified gardens as a food source, but 21.9% reported using an HT garden in the past year. Themes emerging from interviews (n = 39) and five focus groups suggested community gardens were a catalyst for broader community health change by increasing awareness of the value and absence of healthy food and generating excitement for future PSE initiatives to more comprehensively address food and physical activity access. Practitioners should consider placement of rural community gardens to optimize access to and distribution of produce as well as communication and marketing strategies to increase engagement and leverage gardens as gateways for PSE approaches to improve rural health.
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Borron A, Berg A, Jones C, Lamm A, Sanders C, Southall H, Holmes G, Brown C, Davis M, Walker B. Examining the Relationship Between Existing Community Resources and Community Leaders' Perceptions of Resilience and Rural Health During COVID-19. Health Promot Pract 2023; 24:56S-67S. [PMID: 36999491 PMCID: PMC10064178 DOI: 10.1177/15248399221124596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/01/2023]
Abstract
This study explored the relationship between existing community resources and community leaders' perceptions of resilience and rural health during COVID-19. Observational data of material capitals (e.g., grocery stores and physical activity resources) present in five rural communities involved in a health promotion project were collected and compared with key informant interviews of perceived community health and resilience during the COVID-19 pandemic. The analysis compares the differences in community leaders' perceptions of resilience during the pandemic to the actual material capitals of the community. While these rural counties were average in terms of available physical activity and nutritional resources, the onset of the pandemic led to varying degrees of disruption in access due to structural closures of mainstay resources, as well as residents perceiving that they cannot or should not access available resources. In addition, county coalition progress was stalled as individuals and groups could not gather together to complete projects, such as building playground equipment. This study demonstrates that existing quantitative instruments, such as NEMS and PARA, fail to take into account perceived access and utility of resources. Therefore, practitioners should consider multiple ways to evaluate resources, capacity, and progress on a health intervention or program and consider community voice to ensure feasibility, relevance, and sustainability-especially when faced with a public health emergency like COVID-19.
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Drinkwater E, Allen WL, Endler JA, Hanlon RT, Holmes G, Homziak NT, Kang C, Leavell BC, Lehtonen J, Loeffler‐Henry K, Ratcliffe JM, Rowe C, Ruxton GD, Sherratt TN, Skelhorn J, Skojec C, Smart HR, White TE, Yack JE, Young CM, Umbers KDL. A synthesis of deimatic behaviour. Biol Rev Camb Philos Soc 2022; 97:2237-2267. [DOI: 10.1111/brv.12891] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 07/17/2022] [Accepted: 07/19/2022] [Indexed: 11/29/2022]
Affiliation(s)
- Eleanor Drinkwater
- Department of Animal Science Writtle University College Writtle Chelmsford CM1 3RR UK
| | - William L. Allen
- Department of Biosciences Swansea University Sketty Swansea SA2 8PP UK
| | - John A. Endler
- Centre for Integrative Ecology, School of Life & Environmental Sciences Deakin University Waurn Ponds VIC 3216 Australia
| | | | - Grace Holmes
- Biosciences Institute, Faculty of Medical Sciences Newcastle University Newcastle upon Tyne NE2 4HH UK
| | - Nicholas T. Homziak
- McGuire Center for Lepidoptera and Biodiversity, Florida Museum of Natural History University of Florida Gainesville FL 32611 USA
- Entomology and Nematology Department University of Florida Gainesville FL 32611 USA
| | - Changku Kang
- Department of Biosciences Mokpo National University Muan Jeollanamdo 58554 South Korea
- Department of Agricultural Biotechnology Seoul National University Seoul 08826 South Korea
- Department of Agriculture and Life Sciences Seoul National University Seoul 08826 South Korea
| | - Brian C. Leavell
- Department of Biological Sciences Purdue University West Lafayette IN 47907 USA
| | - Jussi Lehtonen
- Faculty of Science, School of Life and Environmental Sciences The University of Sydney Sydney NSW 2006 Australia
- Department of Biological and Environmental Science University of Jyväskylä Jyväskylä 40014 Finland
| | | | - John M. Ratcliffe
- Department of Biology University of Toronto Mississauga Mississauga ON L5L 1C6 Canada
| | - Candy Rowe
- Biosciences Institute, Faculty of Medical Sciences Newcastle University Newcastle upon Tyne NE2 4HH UK
| | - Graeme D. Ruxton
- School of Biology University of St Andrews St Andrews Fife KY16 9TH UK
| | - Tom N. Sherratt
- Department of Biology Carleton University Ottawa ON K1S 5B6 Canada
| | - John Skelhorn
- Biosciences Institute, Faculty of Medical Sciences Newcastle University Newcastle upon Tyne NE2 4HH UK
| | - Chelsea Skojec
- McGuire Center for Lepidoptera and Biodiversity, Florida Museum of Natural History University of Florida Gainesville FL 32611 USA
- Entomology and Nematology Department University of Florida Gainesville FL 32611 USA
| | - Hannah R. Smart
- Hawkesbury Institute for the Environment Western Sydney University Penrith NSW 2751 Australia
| | - Thomas E. White
- Faculty of Science, School of Life and Environmental Sciences The University of Sydney Sydney NSW 2006 Australia
| | - Jayne E. Yack
- Department of Biology Carleton University Ottawa ON K1S 5B6 Canada
| | | | - Kate D. L. Umbers
- Hawkesbury Institute for the Environment Western Sydney University Penrith NSW 2751 Australia
- School of Science Western Sydney University Penrith NSW 2751 Australia
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Cheng B, Cooper E, Krishnan A, Groshong T, Madejski I, Sundaresan A, Holmes G, Gupta I, Leschly E, Hauser P, De L. Codon Optimization of saCas9 Gene Enhances Protein Expression in Human Kidney Cells to Compensate for Difficulties in Delivery Vectors to Boost CRISPR‐Cas9 in vivo Therapeutic Application. FASEB J 2022. [DOI: 10.1096/fasebj.2022.36.s1.0r420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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van der Plas-Krijgsman W, Morgan J, de Glas N, de Boer A, Martin C, Holmes G, Ward S, Chater T, Reed M, Merkus J, van Dalen T, Vulink A, van Gerven L, Guicherit O, Linthorst E, Bastiaannet E, Portielje J, Liefers G, Wyld L. Differences in treatment and survival of older patients with operable breast cancer between the United Kingdom and the Netherlands – a comparison of two national prospective longitudinal multi-centre cohort studies. J Geriatr Oncol 2021. [DOI: 10.1016/s1879-4068(21)00472-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Morgan JL, Shrestha A, Reed MWR, Herbert E, Bradburn M, Walters SJ, Martin C, Collins K, Ward S, Holmes G, Burton M, Lifford K, Edwards A, Ring A, Robinson T, Chater T, Pemberton K, Brennan A, Cheung KL, Todd A, Audisio R, Wright J, Simcock R, Thomson AM, Gosney M, Hatton M, Green T, Revill D, Gath J, Horgan K, Holcombe C, Winter MC, Naik J, Parmeschwar R, Wyld L. Bridging the age gap in breast cancer: impact of omission of breast cancer surgery in older women with oestrogen receptor-positive early breast cancer on quality-of-life outcomes. Br J Surg 2021; 108:315-325. [PMID: 33760065 PMCID: PMC10364859 DOI: 10.1093/bjs/znaa125] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 11/15/2020] [Indexed: 01/04/2023]
Abstract
BACKGROUND Primary endocrine therapy may be an alternative treatment for less fit women with oestrogen receptor (ER)-positive breast cancer. This study compared quality-of-life (QoL) outcomes in older women treated with surgery or primary endocrine therapy. METHODS This was a multicentre, prospective, observational cohort study of surgery or primary endocrine therapy in women aged over 70 years with operable breast cancer. QoL was assessed using European Organisation for Research and Treatment of cancer QoL questionnaires QLQ-C30, -BR23, and -ELD14, and the EuroQol Five Dimensions 5L score at baseline, 6 weeks, and 6, 12, 18, and 24 months. Propensity score matching was used to adjust for baseline variation in health, fitness, and tumour stage. RESULTS The study recruited 3416 women (median age 77 (range 69-102) years) from 56 breast units. Of these, 2979 (87.2 per cent) had ER-positive breast cancer; 2354 women had surgery and 500 received primary endocrine therapy (125 were excluded from analysis due to inadequate data or non-standard therapy). Median follow-up was 52 months. The primary endocrine therapy group was older and less fit. Baseline QoL differed between the groups; the mean(s.d.) QLQ-C30 global health status score was 66.2(21.1) in patients who received primary endocrine therapy versus 77.1(17.8) among those who had surgery plus endocrine therapy. In the unmatched analysis, changes in QoL between 6 weeks and baseline were noted in several domains, but by 24 months most scores had returned to baseline levels. In the matched analysis, major surgery (mastectomy or axillary clearance) had a more pronounced adverse impact than primary endocrine therapy in several domains. CONCLUSION Adverse effects on QoL are seen in the first few months after surgery, but by 24 months these have largely resolved. Women considering surgery should be informed of these effects.
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Affiliation(s)
- J L Morgan
- Department of Oncology and Metabolism, University of Sheffield Medical School, Sheffield, UK
| | - A Shrestha
- Department of Oncology and Metabolism, University of Sheffield Medical School, Sheffield, UK
| | - M W R Reed
- Brighton and Sussex Medical School, Brighton, UK
| | - E Herbert
- Clinical Trials Research Unit, School for Health and Related Research, University of Sheffield, Sheffield, UK
| | - M Bradburn
- Clinical Trials Research Unit, School for Health and Related Research, University of Sheffield, Sheffield, UK
| | - S J Walters
- Clinical Trials Research Unit, School for Health and Related Research, University of Sheffield, Sheffield, UK
| | - C Martin
- Department of Oncology and Metabolism, University of Sheffield Medical School, Sheffield, UK
| | - K Collins
- Faculty of Health and Wellbeing, Department of Allied Health Professions, Sheffield Hallam University, Sheffield, UK
| | - S Ward
- Department of Health Economics and Decision Science, School for Health and Related Research, ScHARR, University of Sheffield, Sheffield, UK
| | - G Holmes
- Department of Health Economics and Decision Science, School for Health and Related Research, ScHARR, University of Sheffield, Sheffield, UK
| | - M Burton
- Clinical Trials Research Unit, School for Health and Related Research, University of Sheffield, Sheffield, UK
| | - K Lifford
- Division of Population Medicine, Cardiff University, Cardiff, UK
| | - A Edwards
- Division of Population Medicine, Cardiff University, Cardiff, UK
| | - A Ring
- Department of Medical Oncology, Royal Marsden Hospital, London, UK
| | - T Robinson
- Department of Cardiovascular Sciences and National Institute for Health Research Biomedical Research Centre, University of Leicester, Cardiovascular Research Centre, Glenfield General Hospital, Leicester, UK
| | - T Chater
- Clinical Trials Research Unit, School for Health and Related Research, University of Sheffield, Sheffield, UK
| | - K Pemberton
- Clinical Trials Research Unit, School for Health and Related Research, University of Sheffield, Sheffield, UK
| | - A Brennan
- Department of Health Economics and Decision Science, School for Health and Related Research, ScHARR, University of Sheffield, Sheffield, UK
| | - K L Cheung
- School of Medicine, University of Nottingham, Royal Derby Hospital, Derby, UK
| | - A Todd
- Department of Oncology and Metabolism, University of Sheffield Medical School, Sheffield, UK
| | - R Audisio
- Department of Surgery, University of Gothenberg, Sahlgrenska Universitetssjukhuset, Gothenberg, Sweden
| | - J Wright
- Brighton and Sussex Medical School, Brighton, UK
| | - R Simcock
- Brighton and Sussex Medical School, Brighton, UK
| | - A M Thomson
- Department of Surgery, Baylor College of Medicine, Houston, Texas, USA
| | - M Gosney
- School of Psychology and Clinical Language Sciences, University of Reading, Reading, UK
| | - M Hatton
- Sheffield Teaching Hospitals NHS Foundation Trust, Weston Park Hospital, Sheffield, UK
| | - T Green
- North Trent Cancer Research Network Consumer Research Panel, Sheffield, UK
| | - D Revill
- North Trent Cancer Research Network Consumer Research Panel, Sheffield, UK
| | - J Gath
- North Trent Cancer Research Network Consumer Research Panel, Sheffield, UK
| | - K Horgan
- Department of Breast Surgery, Bexley Cancer Centre, St James's University Hospital, Leeds, UK
| | - C Holcombe
- Department of Breast Surgery, Liverpool University Hospitals Foundation Trust, Liverpool, UK
| | - M C Winter
- Sheffield Teaching Hospitals NHS Foundation Trust, Weston Park Hospital, Sheffield, UK
| | - J Naik
- Department of General Surgery, Pinderfields Hospital, Mid Yorkshire NHS Foundation Trust, Wakefield, UK
| | - R Parmeschwar
- Department of Breast Surgery, University Hospitals of Morecambe Bay, Lancaster, UK
| | - L Wyld
- Department of Oncology and Metabolism, University of Sheffield Medical School, Sheffield, UK
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Wyld L, Reed MWR, Collins K, Burton M, Lifford K, Edwards A, Ward S, Holmes G, Morgan J, Bradburn M, Walters SJ, Ring A, Robinson TG, Martin C, Chater T, Pemberton K, Shrestha A, Nettleship A, Murray C, Brown M, Richards P, Cheung KL, Todd A, Harder H, Brain K, Audisio RA, Wright J, Simcock R, Armitage F, Bursnall M, Green T, Revell D, Gath J, Horgan K, Holcombe C, Winter M, Naik J, Parmeshwar R, Gosney M, Hatton M, Thompson AM. Bridging the age gap in breast cancer: cluster randomized trial of two decision support interventions for older women with operable breast cancer on quality of life, survival, decision quality, and treatment choices. Br J Surg 2021; 108:499-510. [PMID: 33760077 PMCID: PMC10364907 DOI: 10.1093/bjs/znab005] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 10/04/2020] [Accepted: 12/28/2020] [Indexed: 11/14/2022]
Abstract
BACKGROUND Rates of surgery and adjuvant therapy for breast cancer vary widely between breast units. This may contribute to differences in survival. This cluster RCT evaluated the impact of decision support interventions (DESIs) for older women with breast cancer, to ascertain whether DESIs influenced quality of life, survival, decision quality, and treatment choice. METHODS A multicentre cluster RCT compared the use of two DESIs against usual care in treatment decision-making in older women (aged at least ≥70 years) with breast cancer. Each DESI comprised an online algorithm, booklet, and brief decision aid to inform choices between surgery plus adjuvant endocrine therapy versus primary endocrine therapy, and adjuvant chemotherapy versus no chemotherapy. The primary outcome was quality of life. Secondary outcomes included decision quality measures, survival, and treatment choice. RESULTS A total of 46 breast units were randomized (21 intervention, 25 usual care), recruiting 1339 women (670 intervention, 669 usual care). There was no significant difference in global quality of life at 6 months after the baseline assessment on intention-to-treat analysis (difference -0.20, 95 per cent confidence interval (C.I.) -2.69 to 2.29; P = 0.900). In women offered a choice of primary endocrine therapy versus surgery plus endocrine therapy, knowledge about treatments was greater in the intervention arm (94 versus 74 per cent; P = 0.003). Treatment choice was altered, with a primary endocrine therapy rate among women with oestrogen receptor-positive disease of 21.0 per cent in the intervention versus 15.4 per cent in usual-care sites (difference 5.5 (95 per cent C.I. 1.1 to 10.0) per cent; P = 0.029). The chemotherapy rate was 10.3 per cent at intervention versus 14.8 per cent at usual-care sites (difference -4.5 (C.I. -8.0 to 0) per cent; P = 0.013). Survival was similar in both arms. CONCLUSION The use of DESIs in older women increases knowledge of breast cancer treatment options, facilitates shared decision-making, and alters treatment selection. Trial registration numbers: EudraCT 2015-004220-61 (https://eudract.ema.europa.eu/), ISRCTN46099296 (http://www.controlled-trials.com).
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Affiliation(s)
- L Wyld
- Department of Oncology and Metabolism, University of Sheffield Medical School, Sheffield, UK
| | - M W R Reed
- Brighton and Sussex Medical School, Falmer, Brighton, UK
| | - K Collins
- College of Health, Wellbeing and Life Sciences, Department of Allied Health Professions, Sheffield Hallam University, Sheffield, UK
| | - M Burton
- College of Health, Wellbeing and Life Sciences, Department of Allied Health Professions, Sheffield Hallam University, Sheffield, UK
| | - K Lifford
- Division of Population Medicine, Cardiff University, Cardiff, UK
| | - A Edwards
- Division of Population Medicine, Cardiff University, Cardiff, UK
| | - S Ward
- Department of Health Economics and Decision Science, School for Health and Related Research, ScHARR, University of Sheffield, Sheffield, UK
| | - G Holmes
- Department of Health Economics and Decision Science, School for Health and Related Research, ScHARR, University of Sheffield, Sheffield, UK
| | - J Morgan
- Department of Oncology and Metabolism, University of Sheffield Medical School, Sheffield, UK
| | - M Bradburn
- Clinical Trials Research Unit, School for Health and Related Research, University of Sheffield, Sheffield, UK
| | - S J Walters
- Clinical Trials Research Unit, School for Health and Related Research, University of Sheffield, Sheffield, UK
| | - A Ring
- Royal Marsden Hospital NHS Foundation Trust, London, UK
| | - T G Robinson
- Department of Cardiovascular Sciences and NIHR Biomedical Research Centre, University of Leicester, Cardiovascular Research Centre, Glenfield General Hospital, Leicester, UK
| | - C Martin
- Department of Oncology and Metabolism, University of Sheffield Medical School, Sheffield, UK
| | - T Chater
- Clinical Trials Research Unit, School for Health and Related Research, University of Sheffield, Sheffield, UK
| | - K Pemberton
- Clinical Trials Research Unit, School for Health and Related Research, University of Sheffield, Sheffield, UK
| | - A Shrestha
- Department of Oncology and Metabolism, University of Sheffield Medical School, Sheffield, UK
| | - A Nettleship
- EpiGenesys, University of Sheffield, Sheffield, UK
| | - C Murray
- EpiGenesys, University of Sheffield, Sheffield, UK
| | - M Brown
- EpiGenesys, University of Sheffield, Sheffield, UK
| | - P Richards
- Department of Health Economics and Decision Science, School for Health and Related Research, ScHARR, University of Sheffield, Sheffield, UK
| | - K L Cheung
- University of Nottingham, Royal Derby Hospital, Derby, UK
| | - A Todd
- Department of Oncology and Metabolism, University of Sheffield Medical School, Sheffield, UK
| | - H Harder
- Brighton and Sussex Medical School, Falmer, Brighton, UK
| | - K Brain
- Division of Population Medicine, Cardiff University, Cardiff, UK
| | - R A Audisio
- University of Gothenberg, Sahlgrenska Universitetssjukhuset, Gothenberg, Sweden
| | - J Wright
- Brighton and Sussex Medical School, Falmer, Brighton, UK
| | - R Simcock
- Brighton and Sussex Medical School, Falmer, Brighton, UK
| | | | - M Bursnall
- Clinical Trials Research Unit, School for Health and Related Research, University of Sheffield, Sheffield, UK
| | - T Green
- Yorkshire and Humber Consumer Research Panel (yhcrp.org.uk), Leeds, UK
| | - D Revell
- Yorkshire and Humber Consumer Research Panel (yhcrp.org.uk), Leeds, UK
| | - J Gath
- Yorkshire and Humber Consumer Research Panel (yhcrp.org.uk), Leeds, UK
| | - K Horgan
- Department of Breast Surgery, Bexley Cancer Centre, St James's University Hospital, Leeds, UK
| | - C Holcombe
- Liverpool University Hospitals Foundation Trust, Liverpool, UK
| | - M Winter
- Weston Park Hospital, Sheffield, UK
| | - J Naik
- Pinderfields Hospital, Mid Yorkshire NHS Foundation Trust, Wakefield, UK
| | - R Parmeshwar
- University Hospitals of Morecambe Bay, Lancaster, UK
| | - M Gosney
- Royal Berkshire NHS Foundation Trust, Reading, UK
| | - M Hatton
- Weston Park Hospital, Sheffield, UK
| | - A M Thompson
- Department of Surgery, Baylor College of Medicine, Houston, Texas, USA
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Morgan J, Holmes G, Martin C, Ward S, Walters S, Cheung K, Audisio R, Reed M, Wyld L. Quality of life outcomes following breast surgery in older women with operable breast cancer: Analysis of the Bridging the Age Gap study. Eur J Cancer 2020. [DOI: 10.1016/s0959-8049(20)30598-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Wyld L, Reed M, Collins K, Burton M, Lifford K, Edwards A, Ward S, Holmes G, Morgan J, Bradburn M, Walters S, Ring A, Martin C, Shrestha A, Nettleship A, Brown M, Richards P, Todd A, Harder H, Brain K. Cluster randomised trial to evaluate the clinical benefits of decision support interventions for older women with operable breast cancer. Eur J Cancer 2020. [DOI: 10.1016/s0959-8049(20)30545-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Morgan J, Holmes G, Martin C, Ward S, Walters S, Cheung K, Audisio R, Reed M, Wyld L. Variation in the rates of surgical treatment of older women with operable breast cancer between UK breast units: Analysis of the Bridging the Age Gap Study. Eur J Cancer 2020. [DOI: 10.1016/s0959-8049(20)30597-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Morgan JL, George J, Holmes G, Martin C, Reed MWR, Ward S, Walters SJ, Cheung KL, Audisio RA, Wyld L. Breast cancer surgery in older women: outcomes of the Bridging Age Gap in Breast Cancer study. Br J Surg 2020; 107:1468-1479. [DOI: 10.1002/bjs.11617] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 12/23/2019] [Accepted: 03/15/2020] [Indexed: 01/04/2023]
Abstract
Abstract
Background
Breast cancer surgery in older women is variable and sometimes non-standard owing to concerns about morbidity. Bridging the Age Gap in Breast Cancer is a prospective multicentre cohort study aiming to determine factors influencing treatment selection and outcomes from surgery for older patients with breast cancer.
Methods
Women aged at least 70 years with operable breast cancer were recruited from 57 UK breast units between 2013 and 2018. Associations between patient and tumour characteristics and type of surgery in the breast and axilla were evaluated using univariable and multivariable analyses. Oncological outcomes, adverse events and quality-of-life (QoL) outcomes were monitored for 2 years.
Results
Among 3375 women recruited, surgery was performed in 2816 patients, of whom 24 with inadequate data were excluded. Sixty-two women had bilateral tumours, giving a total of 2854 surgical events. Median age was 76 (range 70–95) years. Breast surgery comprised mastectomy in 1138 and breast-conserving surgery in 1716 procedures. Axillary surgery comprised axillary lymph node dissection in 575 and sentinel node biopsy in 2203; 76 had no axillary surgery. Age, frailty, dementia and co-morbidities were predictors of mastectomy (multivariable odds ratio (OR) for age 1·06, 95 per cent c.i. 1·05 to 1·08). Age, frailty and co-morbidity were significant predictors of no axillary surgery (OR for age 0·91, 0·87 to 0·96). The rate of adverse events was moderate (551 of 2854, 19·3 per cent), with no 30-day mortality. Long-term QoL and functional independence were adversely affected by surgery.
Conclusion
Breast cancer surgery is safe in women aged 70 years or more, with serious adverse events being rare and no mortality. Age, ill health and frailty all influence surgical decision-making. Surgery has a negative impact on QoL and independence, which must be considered when counselling patients about choices.
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Affiliation(s)
- J L Morgan
- Department of Oncology and Metabolism, University of Sheffield Medical School, Sheffield, UK
| | - J George
- Department of Oncology and Metabolism, University of Sheffield Medical School, Sheffield, UK
| | - G Holmes
- Department of Health Economics and Decision Science, Sheffield, UK
| | - C Martin
- Department of Oncology and Metabolism, University of Sheffield Medical School, Sheffield, UK
| | - M W R Reed
- Brighton and Sussex Medical School, Brighton, UK
| | - S Ward
- Department of Health Economics and Decision Science, Sheffield, UK
| | - S J Walters
- Clinical Trials Research Unit, School for Health and Related Research, ScHARR, University of Sheffield, Sheffield, UK
| | - K Leung Cheung
- University of Nottingham, Royal Derby Hospital, Derby, UK
| | - R A Audisio
- University of Gothenberg, Sahlgrenska Universitetssjukhuset, Göteborg, Sweden
| | - L Wyld
- Department of Oncology and Metabolism, University of Sheffield Medical School, Sheffield, UK
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Kaufman B, O’Brien E, Stearns S, Xian Y, Matsouaka R, Holmes G, Weinberger M, Taylor D. SHARED SAVINGS ACOS AND PALLIATIVE CARE FOR ISCHEMIC STROKE PATIENTS: FINDINGS FROM GET WITH THE GUIDELINES-STROKE. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.1958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- B Kaufman
- University of North Carolina at Chapel Hill
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Chen Y, Sharifi N, Holmes G, Cheang UK. Biosensing by Learning: Cancer Detection as Iterative optimization. Annu Int Conf IEEE Eng Med Biol Soc 2018; 2018:1837-1840. [PMID: 30440753 DOI: 10.1109/embc.2018.8512705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
We propose a novel cancer detection procedure (CDP) based on an iterative optimization method. The global minimum of a tumor-induced biological cost function indicates the tumor location, the domain of the cost function is the tissue region at high risk of malignancy, and the time-variant guess input is a swarm of externally controllable and trackable nanorobots for tumor sensing. We consider the spatial distrib-ution of fibrin as the cost function; the fibrin is formed during the coagulation cascade activated by tumor-targeted signalling modules (nanoparticles) and recruits clot-targeted receiving modules (nanorobots) towards the site of disease. Subsequently, the CDP can be interpreted from the iterative optimization perspective: the guess input (i.e., a swarm of nanorobots) is continuously updated according to the gradient of the cost function in order to find the optimum (i.e., cancer) by moving through the domain (i.e., tissue under screening). Along this line of thought, we consider the gradient descent (GD) iterative method, and propose the GD-inspired CDP, which takes into account the realistic in vivo propagation scenario of nanorobots. Finally, we present numerical examples to demonstrate the features of the GD-inspired CDP.
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Shrestha A, Martin C, Burton M, Collins K, Holmes G, Ward S, Audisio R, Chater T, Pemberton K, Robinson T, Cheung K, Ring A, Walters S, Reed M, Gath J, Green T, Revell D, Wyld L. Comparison of quality of life of older women treated with surgery or primary endocrine therapy for early breast cancer: propensity score matched analysis of a large prospective multicentre cohort study. Eur J Cancer 2018. [DOI: 10.1016/s0959-8049(18)30261-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Pooley S, Barua M, Beinart W, Dickman A, Holmes G, Lorimer J, Loveridge AJ, Macdonald DW, Marvin G, Redpath S, Sillero-Zubiri C, Zimmermann A, Milner-Gulland EJ. An interdisciplinary review of current and future approaches to improving human-predator relations. Conserv Biol 2017; 31:513-523. [PMID: 27783450 DOI: 10.1111/cobi.12859] [Citation(s) in RCA: 87] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Revised: 10/12/2016] [Accepted: 10/22/2016] [Indexed: 06/06/2023]
Abstract
In a world of shrinking habitats and increasing competition for natural resources, potentially dangerous predators bring the challenges of coexisting with wildlife sharply into focus. Through interdisciplinary collaboration among authors trained in the humanities, social sciences, and natural sciences, we reviewed current approaches to mitigating adverse human-predator encounters and devised a vision for future approaches to understanding and mitigating such encounters. Limitations to current approaches to mitigation include too much focus on negative impacts; oversimplified equating of levels of damage with levels of conflict; and unsuccessful technical fixes resulting from failure to engage locals, address hidden costs, or understand cultural (nonscientific) explanations of the causality of attacks. An emerging interdisciplinary literature suggests that to better frame and successfully mitigate negative human-predator relations conservation professionals need to consider dispensing with conflict as the dominant framework for thinking about human-predator encounters; work out what conflicts are really about (they may be human-human conflicts); unravel the historical contexts of particular conflicts; and explore different cultural ways of thinking about animals. The idea of cosmopolitan natures may help conservation professionals think more clearly about human-predator relations in both local and global context. These new perspectives for future research practice include a recommendation for focused interdisciplinary research and the use of new approaches, including human-animal geography, multispecies ethnography, and approaches from the environmental humanities notably environmental history. Managers should think carefully about how they engage with local cultural beliefs about wildlife, work with all parties to agree on what constitutes good evidence, develop processes and methods to mitigate conflicts, and decide how to monitor and evaluate these. Demand for immediate solutions that benefit both conservation and development favors dispute resolution and technical fixes, which obscures important underlying drivers of conflicts. If these drivers are not considered, well-intentioned efforts focused on human-wildlife conflicts will fail.
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Affiliation(s)
- S Pooley
- Department of Zoology, University of Oxford, The Tinbergen Building, South Parks Road, Oxford OX1 3PS, U.K., & Department of Geography, Environment and Development Studies, Birkbeck, University of London, 32 Tavistock Square, London, WC1H 9EZ, U.K
| | - M Barua
- School of Geography and the Environment, University of Oxford, South Parks Road, Oxford OX1 3QY, U.K., & Oxford India Centre for Sustainable Development, Somerville College, Woodstock Road, Oxford, OX2 6HD, U.K
| | - W Beinart
- African Studies Centre, School of Interdisciplinary Area Studies, University of Oxford, 13 Bevington Road, Oxford, OX2 6LH, U.K
| | - A Dickman
- WildCRU, Recanati-Kaplan Centre, Department of Zoology, Oxford University, OX13 5QL, U.K
| | - G Holmes
- Critical Environmental Social Science, School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, U.K
| | - J Lorimer
- School of Geography and the Environment, University of Oxford, South Parks Road, Oxford, OX1 3QY, U.K
| | - A J Loveridge
- African Studies Centre, School of Interdisciplinary Area Studies, University of Oxford, 13 Bevington Road, Oxford, OX2 6LH, U.K
| | - D W Macdonald
- African Studies Centre, School of Interdisciplinary Area Studies, University of Oxford, 13 Bevington Road, Oxford, OX2 6LH, U.K
| | - G Marvin
- Anthropology, Department of Life Sciences, University of Roehampton, Erasmus House, Roehampton Lane, London, SW15 5PU, U.K
| | - S Redpath
- Institute of Biological & Environmental Sciences, University of Aberdeen, Zoology Building, Tillydrone Avenue, Aberdeen, AB24 2TZ, U.K
| | - C Sillero-Zubiri
- African Studies Centre, School of Interdisciplinary Area Studies, University of Oxford, 13 Bevington Road, Oxford, OX2 6LH, U.K
| | - A Zimmermann
- Conservation Science Department, Chester Zoo, Caughall Road, Upton-by-Chester, CH2 1LH, U.K., & WildCRU, Recanati-Kaplan Centre, Department of Zoology, Oxford University, OX13 5QL, U.K
| | - E J Milner-Gulland
- Department of Zoology, University of Oxford, The Tinbergen Building, South Parks Road, Oxford, OX1 3PS, U.K
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Oldekop JA, Holmes G, Harris WE, Evans KL. A global assessment of the social and conservation outcomes of protected areas. Conserv Biol 2016; 30:133-41. [PMID: 26096222 DOI: 10.1111/cobi.12568] [Citation(s) in RCA: 176] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2014] [Revised: 05/19/2015] [Accepted: 05/31/2015] [Indexed: 05/22/2023]
Abstract
Protected areas (PAs) are a key strategy for protecting biological resources, but they vary considerably in their effectiveness and are frequently reported as having negative impacts on local people. This has contributed to a divisive and unresolved debate concerning the compatibility of environmental and socioeconomic development goals. Elucidating the relationship between positive and negative social impacts and conservation outcomes of PAs is key for the development of more effective and socially just conservation. We conducted a global meta-analysis on 165 PAs using data from 171 published studies. We assessed how PAs affect the well-being of local people, the factors associated with these impacts, and crucially the relationship between PAs' conservation and socioeconomic outcomes. Protected areas associated with positive socioeconomic outcomes were more likely to report positive conservation outcomes. Positive conservation and socioeconomic outcomes were more likely to occur when PAs adopted comanagement regimes, empowered local people, reduced economic inequalities, and maintained cultural and livelihood benefits. Whereas the strictest regimes of PA management attempted to exclude anthropogenic influences to achieve biological conservation objectives, PAs that explicitly integrated local people as stakeholders tended to be more effective at achieving joint biological conservation and socioeconomic development outcomes. Strict protection may be needed in some circumstances, yet our results demonstrate that conservation and development objectives can be synergistic and highlight management strategies that increase the probability of maximizing both conservation performance and development outcomes of PAs.
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Affiliation(s)
- J A Oldekop
- International Forestry Resources and Institutions Research Network, School of Natural Resources and Environment, The University of Michigan, Ann Arbor, MI, 48109, U.S.A
- School of Biology, Newcastle University, Newcastle-upon-Tyne, NE1 7RU, United Kingdom
| | - G Holmes
- School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, United Kingdom.
| | - W E Harris
- School of Science and Environment, Manchester Metropolitan University, Manchester, M1 5GD, United Kingdom
| | - K L Evans
- Department of Animal and Plant Sciences, The University of Sheffield, Sheffield, S3 7HF, United Kingdom
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Jobst B, Testorf M, Kleen J, Rundle M, Holmes G, Lenck-Santini PP. Hippocampal oscillatory patterns during working memory in epileptic patients. KLIN NEUROPHYSIOL 2014. [DOI: 10.1055/s-0034-1371209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Holmes G. The Goulstonian Lectures ON SPINAL INJURIES OF WARFARE: Delivered before the Royal College of Physicians of London. Br Med J 2011; 2:769-74. [PMID: 20767904 DOI: 10.1136/bmj.2.2865.769] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Holmes G. The Goulstonian Lectures ON SPINAL INJURIES OF WARFARE: Delivered before the Royal College of Physicians of London. Br Med J 2011; 2:855-61. [PMID: 20767931 DOI: 10.1136/bmj.2.2867.855] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Holmes G. The Goulstonian Lectures ON SPINAL INJURIES OF WARFARE: Delivered before the Royal College of Physicians of London. Br Med J 2011; 2:815-21. [PMID: 20767922 DOI: 10.1136/bmj.2.2866.815] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Bowman SJ, Ibrahim GH, Holmes G, Hamburger J, Ainsworth JR. Estimating the prevalence among Caucasian women of primary Sjögren's syndrome in two general practices in Birmingham, UK. Scand J Rheumatol 2009; 33:39-43. [PMID: 15124941 DOI: 10.1080/03009740310004676] [Citation(s) in RCA: 115] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
OBJECTIVE To establish the prevalence among women of primary Sjögren's syndrome (PSS) in Birmingham, UK. METHODS Eight hundred and forty-six female Caucasians from two general practitioner lists were invited to complete a questionnaire that included a screening question on dry eyes and mouth. Individuals who responded positively were evaluated further. RESULTS Overall, 65/% of individuals who were sent a questionnaire responded. Two had possible PSS, but were negative for anti-Ro/La antibodies. Our estimates of the prevalence of PSS ranged from < 0.1% up to 0.4%, depending on the assumptions used. CONCLUSION Our data support previous studies suggesting a prevalence of PSS in the community of 0.1-0.6% rather than those suggesting a higher figure.
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Affiliation(s)
- S J Bowman
- Department of Rheumatology, University of Birmingham, Medical School, Edgbaston, UK.
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Wapenaar MC, Monsuur AJ, van Bodegraven AA, Weersma RK, Bevova MR, Linskens RK, Howdle P, Holmes G, Mulder CJ, Dijkstra G, van Heel DA, Wijmenga C. Associations with tight junction genes PARD3 and MAGI2 in Dutch patients point to a common barrier defect for coeliac disease and ulcerative colitis. Gut 2008; 57:463-7. [PMID: 17989107 DOI: 10.1136/gut.2007.133132] [Citation(s) in RCA: 132] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Coeliac disease (gluten-sensitive enteropathy; GSE) and inflammatory bowel disease (IBD) are common gastrointestinal disorders. Both display enhanced intestinal permeability, initiated by gluten exposure (GSE) or bacterial interactions (IBD). Previous studies showed the association of both diseases with variants in MYO9B, presumably involved in epithelial permeability. AIM It was hypothesised that genetic variants in tight junction genes might affect epithelial barrier function, thus contributing to a shared pathogenesis of GSE and IBD. METHODS This hypothesis was tested with a comprehensive genetic association analysis of 41 genes from the tight junction pathway, represented by 197 tag single nucleotide polymorphism (SNP) markers. RESULTS Two genes, PARD3 (two SNPs) and MAGI2 (two SNPs), showed weak association with GSE in a Dutch cohort. Replication in a British GSE cohort yielded significance for one SNP in PARD3 and suggestive associations for two additional SNPs, one each in PARD3 and MAGI2. Joint analysis of the British and Dutch data further substantiated the association for both PARD3 (rs10763976, p = 6.4 x 10(-5); OR 1.23, 95% CI 1.11 to 1.37) and MAGI2 (rs6962966, p = 7.6 x 10(-4); OR 1.19, 95% CI 1.08 to 1.32). Association was also observed in Dutch ulcerative colitis patients with MAGI2 (rs6962966, p = 0.0036; OR 1.26, 95% CI 1.08 to 1.47), and suggestive association with PARD3 (rs4379776, p = 0.068). CONCLUSIONS These results suggest that coeliac disease and ulcerative colitis may share a common aetiology through tight junction-mediated barrier defects, although the observations need further replication.
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Affiliation(s)
- M C Wapenaar
- Genetics Department, University Medical Center Groningen, PO Box 30001, 9700 RB Groningen, The Netherlands.
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Strickland P, Holmes G, Jones L, McMahon B. Getting the best out of IUCr journals (practical advice and demonstrations). Acta Crystallogr A 2005. [DOI: 10.1107/s0108767305094663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Brandt A, Scharf M, Pedra JHF, Holmes G, Dean A, Kreitman M, Pittendrigh BR. Differential expression and induction of two Drosophila cytochrome P450 genes near the Rst(2)DDT locus. Insect Mol Biol 2002; 11:337-341. [PMID: 12144699 DOI: 10.1046/j.1365-2583.2002.00344.x] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Previous studies have shown that the major metabolic resistance locus in the insecticide-resistant Drosophila line Rst(2)DDT(Wisconsin) maps between the markers cn and vg on chromosome 2. Six cytochrome P450 genes exist in this region. We investigated the expression levels of these P450 genes in DDT-resistant and -susceptible fly lines. We report: (i) DDT resistance is significant (> 30-fold) and dominant, (ii) resistance is reduced by the cytochrome P450 inhibitor PBO, (iii) there is constitutive over-expression relative to susceptible flies of two genes encoding cytochrome P450 enzymes within the cn-vg region (CYP6G1 = 4.3-fold; CYP12D1 = 6.0-fold), and (iv) exposure to DDT results in an increased expression of only one of these two P450 genes (CYP12D1 > or = 6-fold above constitutive resistant fly baselines).
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Affiliation(s)
- A Brandt
- Department of Entomology, Room 100, 1158 Smith Hall, Purdue University, West Lafayette, IN 47907-1158, USA
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Popat S, Bevan S, Braegger CP, Busch A, O'Donoghue D, Falth-Magnusson K, Godkin A, Hogberg L, Holmes G, Hosie KB, Howdle PD, Jenkins H, Jewell D, Johnston S, Kennedy NP, Kumar P, Logan RFA, Love AHG, Marsh MN, Mulder CJ, Sjoberg K, Stenhammar L, Walker-Smith J, Houlston RS. Genome screening of coeliac disease. J Med Genet 2002; 39:328-31. [PMID: 12011149 PMCID: PMC1735127 DOI: 10.1136/jmg.39.5.328] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Simpson CJSM, Price J, Holmes G, Adam W, Martin HD, Bish S. Dynamics of the thermal dissociation of unsaturated cyclic ketones: nascent vibrational energy distributions in the products. J Am Chem Soc 2002. [DOI: 10.1021/ja00169a015] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Abstract
Waikato Environment for Knowledge Analysis (WEKA) is a comprehensive suite of Java class libraries that implement many state-of-the-art machine learning/data mining algorithms. Non-programmers interact with the software via a user interface component called the Knowledge Explorer. Applications constructed from the WEKA class libraries can be run on any computer with a web-browsing capability, allowing users to apply machine learning techniques to their own data regardless of computer platform. This paper describes the user interface component of the WEKA system in reference to previous applications in the predictive modelling of foods.
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Affiliation(s)
- G Holmes
- Department of Computer Science, University of Waikato, Hamilton, New Zealand.
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Abstract
The Drosophila and vertebrate slit proteins have been characterized as secreted chemorepellents recognized by the robo receptor proteins that function principally for the guidance of neuronal axons and neurons. slit genes are also expressed in the limb. To provide a basis for the determination of slit functions in the limb we have isolated and characterized the expression of chick slit-2 and slit-3 in the developing limb and other tissues of the chick embryo. Both genes share similar expression profiles in the chick embryo when compared to that of their mammalian homologues, particularly in the neural tube. In the limb, their expression patterns suggest their involvement in many aspects of limb development. In the early limb bud, slit-2 is expressed in the peripheral mesenchyme and invading muscle precursors, while slit-3 expression is restricted to the future chondrogenic core of the limb bud. At later stages, both slit genes are expressed in interdigital mesenchyme, in inner periosteal cells, and in mesenchyme immediately radial to the periosteum and under the epidermis. slit-3 is also expressed in proliferating chondrocytes during cartilage development, while slit-2 is expressed in later muscle masses and peripherally to joints in the autopod.
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Affiliation(s)
- G Holmes
- Howard Hughes Medical Institute, Memorial Sloan-Kettering Cancer Center, Molecular Biology Program, New York, NY 10021, USA.
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Affiliation(s)
- G Holmes
- Child Development Unit, University of Kansas Medical Center, Kansas City 66160-7340, USA.
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Abstract
A 43-year-old female with multiple congenital naevi presented with a 5-year history of right upper quadrant pain. Magnetic resonance imaging demonstrated a large epidural thoracic arachnoid cyst. This case highlights the need to consider that the management of patients with giant congenital melanocytic naevus is variable depending on the age of the patient, the location of lesions and the presence of complications such as neurocutaneous melanosis. The value of magnetic resonance scanning as a screening device is discussed.
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Affiliation(s)
- G Holmes
- Department of Dermatology, Royal North Shore Hospital, Sydney, New South Wales, Australia.
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Skelly M, Norton B, Holmes G. Casebook: dyspepsia. Practitioner 2001; 245:184, 187-9, 189-91. [PMID: 11258186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/16/2023]
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Abstract
A 26-year-old woman presented with a 12-month history of persistent dermatitis of the lips. She had failed to respond to cosmetic avoidance and therapeutic measures. Patch testing was negative, including her toothpaste and toothpaste flavours. She defied diagnosis until an acute flare followed immediately after dental treatment with a mint flavoured tooth cleaning powder. This led us to prick test her to mint leaves and this was positive. Her cheilitis settled after changing from her mint-flavoured toothpaste. A diagnosis of contact urticaria should be considered in cases of cheilitis of unknown cause.
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Affiliation(s)
- G Holmes
- Skin and Cancer Foundation, Sydney, New South Wales, Australia.
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Christensen DB, Neil N, Fassett WE, Smith DH, Holmes G, Stergachis A. Frequency and characteristics of cognitive services provided in response to a financial incentive. J Am Pharm Assoc (Wash) 2000; 40:609-17. [PMID: 11029841 DOI: 10.1016/s1086-5802(16)31100-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
OBJECTIVE To determine the effects of a financial incentive on the number and types of cognitive services (CS) provided by community pharmacies to Medicaid recipients in the State of Washington. DESIGN Prospective randomized trial. CS were reported using a problem-intervention-result coding system over a 20-month period. SETTING AND SUBJECTS Pharmacists practicing in 110 study (financial incentive) and 90 control community pharmacies. RESULTS Study pharmacists documented an average of 1.59 CS interventions per 100 prescriptions over a 20-month period, significantly more than controls, who documented an average of 0.67 interventions (P < .05) per 100 prescriptions. One-half (48.4%) of all CS were for patient-related problems, 32.6% were for drug-related problems, 17.6% were for prescription-related problems, and 1.4% were for other problems that did not involve drug therapy. A change in drug therapy occurred as a result of 28% of all CS documented in this demonstration. Changes were rarely (2.4%) due to generic or therapeutic substitution and almost always (90%) followed communication with the prescriber. The average self-reported time to perform CS was 7.5 minutes; 75% of interventions were < or = 6 minutes. Considerable differences existed between study and control groups in the types of problems identified, intervention activities performed, and results of interventions. CONCLUSION A financial incentive was associated with significantly more, and different types of, CS performed by pharmacists.
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Affiliation(s)
- D B Christensen
- Division of Pharmaceutical Policy and Evaluative Sciences, School of Pharmacy, University of North Carolina at Chapel Hill, NC 27599-7360, USA.
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