What is my role in recycling: Evolvement of waste, recycling and resource recovery International and in South Africa

Dirk van Niekerk of The Wastegroup, addressed participants on managing waste for a friendlier environment. Dirk touched on the following topics: The evolvement of waste, recycling and resource recovery internationally and in South Africa; Why recycling? The value chain and environmental impacts; Recycling principles 5 x R ‘s; Recycling at source and after source; Recovery rates, case studies; Who does it currently and who is responsible?Paper presented to University of Pretoria staff and students at the Go green event, organized by the Department of Library Services and held in the Merensky II auditorium on 5 February 2015.eo201

Risk management as a social defence against anxiety.

Orientation: This article deals with the unconscious role of risk management in an African country. Research purpose: The aim of the study is to describe how risk management unconsciously influences behaviour when doing business in an African country. Motivation for the study: Operational risk management is a rational management imperative. However, this does not take cognisance of the unconscious role of risk management. A systems-psychodynamic perspective might be particularly relevant if the anxiety implied in risk management is not appropriately contained. Awareness of these dynamics may provide an opportunity for addressing them and allow for a more holistic way of managing risk. Research design, approach and method: The researchers conducted the study as a qualitative case study in an African country. They used purposive sampling and analysed the data using qualitative content analysis. Main findings: Viewing risk management from a systems-psychodynamic perspective allowed the researchers to identify the influence of risk management on the behaviour of people. The emerging hypothesis was that, if businesses do not address the anxiety underlying risk management, managing risk becomes a social defence against the anxiety. Practical/managerial implications: Awareness of the anxiety involved in risk management may assist businesses to manage risk in a more realistic way, making provision for, and even capitalising on, the human element. Contributions/value-add: The article provides a systems-psychodynamic, and hence a more complete, perspective of operational risk management when doing business in an African country

Ecodomy - Life in its fullness

This book provides a coherent and conceptual portrayal of aspects of the theological research theme, entitled Ecodomy (literally meaning to ‘build a house’). In its figurative meaning the term Ecodomy addresses the theme, ‘life in its fullness’. This fullness of life entails a polarity which is inherently part of life, namely its brokenness and its wholeness. From various theological disciplines, namely Old Testament Studies, New Testament Studies, Systematic Theology, Church History and Practical Theology, both the brokenness and wholeness are addressed theologically. Every chapter focuses on a specific theological discipline, while the combination of theological disciplines, addresses the brokenness and wholeness of life as coherent concept. One pole does not exclude the other. Brokenness is visible in current or recent very relevant societal challenges, such as racism and xenophobia, apartheid, foreignness and exclusivism, leadership crises and violence. In contrast, wholeness is embedded in themes such as the African concept of ubuntu, a life of faith and wisdom, reconciling leadership, or transforming space and community. Ultimately, a Greek term ἀναίδεια (persistence) is connected to the meaning of Ecodomy and ‘life in its fullness’. Several methodologies have been used in the different contributions of the book. Every theological discipline applies a different methodology for the purpose of exposing a specific topic or research theme. In general, the contributions in this book follow a combination of a literature study with the further application of diachronic and synchronic exegetical methods. In addition, single contributions follow an own hermeneutical approach. Not one single contribution, but a combination of different theological disciplines, which form the concepts of brokenness and wholeness (life in its fullness), which expose the polarity of life, are included in this book. In its exposed interdisciplinary interwovenness, the book provides a tapestry of how different theological disciplines are combined into a single theme and how they contribute together by means of theological analyses and attempted building blocks to build the broken ‘houses’ of societal structures or human life. The book contributes to selected aspects of broken life in society and the healing experiences of human life. Several themes touch on recent and relevant challenges which have contributed to the brokenness of life. Not only in South Africa, but globally these are currently relevant themes. They include realities of racism and xenophobia, apartheid, foreignness and exclusivism, leadership crises and violence. With the focus on wholeness, specific attention is given to the African concept of ubuntu, a life of faith and wisdom, reconciling leadership, and transforming space and society. A Greek term ἀναίδεια (insolence as ‘in keeping on asking’ – Lk 11:8) illuminates the theme of Ecodomy from the perspective of a parable. The target audience of the book is academic scholars and theologians, who specialise in the different fields of Theology, the Humanities and other Social Sciences. Furthermore, the book is also accessible to scholars of other academic disciplines outside these disciplines. The book contains original research and contributions have not been plagiarised from publications elsewhere

Comprehensive serial analysis of gene expression of the cervical transcriptome

<p>Abstract</p> <p>Background</p> <p>More than half of the approximately 500,000 women diagnosed with cervical cancer worldwide each year will die from this disease. Investigation of genes expressed in precancer lesions compared to those expressed in normal cervical epithelium will yield insight into the early stages of disease. As such, establishing a baseline from which to compare to, is critical in elucidating the abnormal biology of disease. In this study we examine the normal cervical tissue transcriptome and investigate the similarities and differences in relation to CIN III by Long-SAGE (L-SAGE).</p> <p>Results</p> <p>We have sequenced 691,390 tags from four L-SAGE libraries increasing the existing gene expression data on cervical tissue by 20 fold. One-hundred and eighteen unique tags were highly expressed in normal cervical tissue and 107 of them mapped to unique genes, most belong to the ribosomal, calcium-binding and keratinizing gene families. We assessed these genes for aberrant expression in CIN III and five genes showed altered expression. In addition, we have identified twelve unique HPV 16 SAGE tags in the CIN III libraries absent in the normal libraries.</p> <p>Conclusion</p> <p>Establishing a baseline of gene expression in normal cervical tissue is key for identifying changes in cancer. We demonstrate the utility of this baseline data by identifying genes with aberrant expression in CIN III when compared to normal tissue.</p

Using LongSAGE to Detect Biomarkers of Cervical Cancer Potentially Amenable to Optical Contrast Agent Labelling

Sixteen longSAGE libraries from four different clinical stages of cervical intraepithelial neoplasia have enabled us to identify novel cell-surface biomarkers indicative of CIN stage. By comparing gene expression profiles of cervical tissue at early and advanced stages of CIN, several genes are identified to be novel genetic markers. We present fifty-six cell-surface gene products differentially expressed during progression of CIN. These cell surface proteins are being examined to establish their capacity for optical contrast agent binding. Contrast agent visualization will allow real-time assessment of the physiological state of the disease process bringing vast benefit to cancer care. The data discussed in this publication have been submitted to NCBIs Gene Expression Omnibus (GEO, http://www.ncbi.nlm.nih.gov/geo/) and are accessible through GEO Series accession number GSE6252

Up regulation in gene expression of chromatin remodelling factors in cervical intraepithelial neoplasia

<p>Abstract</p> <p>Background</p> <p>The highest rates of cervical cancer are found in developing countries. Frontline monitoring has reduced these rates in developed countries and present day screening programs primarily identify precancerous lesions termed cervical intraepithelial neoplasias (CIN). CIN lesions described as mild dysplasia (CIN I) are likely to spontaneously regress while CIN III lesions (severe dysplasia) are likely to progress if untreated. Thoughtful consideration of gene expression changes paralleling the progressive pre invasive neoplastic development will yield insight into the key casual events involved in cervical cancer development.</p> <p>Results</p> <p>In this study, we have identified gene expression changes across 16 cervical cases (CIN I, CIN II, CIN III and normal cervical epithelium) using the unbiased long serial analysis of gene expression (L-SAGE) method. The 16 L-SAGE libraries were sequenced to the level of 2,481,387 tags, creating the largest SAGE data collection for cervical tissue worldwide. We have identified 222 genes differentially expressed between normal cervical tissue and CIN III. Many of these genes influence biological functions characteristic of cancer, such as cell death, cell growth/proliferation and cellular movement. Evaluation of these genes through network interactions identified multiple candidates that influence regulation of cellular transcription through chromatin remodelling (<it>SMARCC1</it>, <it>NCOR1</it>, <it>MRFAP1 </it>and <it>MORF4L2</it>). Further, these expression events are focused at the critical junction in disease development of moderate dysplasia (CIN II) indicating a role for chromatin remodelling as part of cervical cancer development.</p> <p>Conclusion</p> <p>We have created a valuable publically available resource for the study of gene expression in precancerous cervical lesions. Our results indicate deregulation of the chromatin remodelling complex components and its influencing factors occur in the development of CIN lesions. The increase in SWI/SNF stabilizing molecule <it>SMARCC1 </it>and other novel genes has not been previously illustrated as events in the early stages of dysplasia development and thus not only provides novel candidate markers for screening but a biological function for targeting treatment.</p

Exploratory analysis of quantitative histopathology of cervical intraepithelial neoplasia: objectivity, reproducibility, malignancy-associated changes, and human papillomavirus

Background: Background: As part of a project to evaluate emerging optical technologies for cervical neoplasia, our group is performing quantitative histopathological analyses of biopsy specimens from 1,190 patients. Objectives in the interim analysis are (a) quantitatively assessing progression of the neoplastic process of cervical intraepithelial neoplasia (CIN)/squamous intraepithelial lesions (SIL), (b) detecting malignancy-associated changes (MACs), and (c) phenotypically measuring human papillomavirus (HPV) detected by DNA testing. Methods: The diagnostic region of interest (ROI) from immediately adjacent sections were imaged, and the basal lamina and surface of the superficial layer were delimited. Nonoverlapping quantitatively stained nuclei were selected from 1,190 samples with histopathological characteristics of normal (929), koilocytosis (130), CIN 1 (40), CIN 2 (23), and CIN 3/carcinoma in situ (CIS) (68). A fully automatic procedure located and recorded the center of every nucleus in the region of interest (ROI). We used linear discriminant analysis to assess the changes between normal and CIN 3/CIS

Women's intentions to self-collect samples for human papillomavirus testing in an organized cervical cancer screening program

Abstract: Background: Mounting evidence affirms HPV testing as an effective cervical cancer screening tool, and many organized screening programs are considering adopting it as primary testing. HPV self-collection has comparable sensitivity to clinician collected specimens and is considered a feasible option in hard-to-reach women. We explored women's intentions to HPV self-collect for cervical cancer screening from a cohort participating in a Canadian randomized controlled cervical cancer screening trial. Methods: Women aged 25-65 were invited to complete an online survey assessing intentions to be screened with HPV testing instead of the Pap smear. The survey was based in the Theory of Planned Behaviour and questions were included to assess women's intentions to self-collect for HPV. Demographic characteristics of women who intended to self-collect were compared with those who did not. Demographic and scale variables achieving a p-value <0.1 in the univariate and bivariate analyses were included in the stepwise logistic regression model. The final model was created to predict factors associated with women's intentions to self-collect an HPV specimen for cervical cancer. Odds ratios were calculated with 95% confidence intervals to identify variables associated with a woman's intention to self-collect for cervical cancer screening. Results: The overall survey response rate was 63.8% (981/1538) with 447 (45.6%) reporting they intended to self-collect, versus 534 (54.4%) reporting they did not. In the univariate analysis, women with more than high school education were more likely to self-collect. Women who intended to receive HPV testing versus the Pap smear were 1.94 times as likely to be in favour of self-collection and those who intended to self-collect had significantly higher attitudinal scores towards HPV self-collection. The adjusted odds ratio and 95% confidence interval from the multivariate analysis demonstrated attitude towards self-collection was the only significant variable predicting a woman's intention to self-collect (OR 1.25; 95% CI: 1.22, 1.29). Conclusions: The primary predictor of a woman's intention to HPV self-collect for cervical cancer screening was her attitude towards the procedure. From a program planning perspective, these results indicate that education and awareness may be significant contributing factors to improving acceptance of self-collection and subsequently, improving screening attendance rates

WOMEN’S INTENTIONS TO RECEIVE CERVICAL CANCER SCREENING WITH PRIMARY HUMAN PAPILLOMAVIRUS TESTING

We explored the potential impact of HPV testing on women’s intentions to be screened for cervical cancer in a cohort of Canadian women. Participants aged 25-65 from an ongoing trial were sent a questionnaire to assess women’s intentions to be screened for cervical cancer with HPV testing instead of Pap smears and to be screened every 4 years or after 25 years of age. We created scales for attitudes about HPV testing, perceived behavioural control and direct and indirect subjective norms. Demographic data and scales that were significantly different (p<0.1) between women who intended to be screened with HPV and those who did not intend were included in a stepwise logistic regression model. Of the 2016 invitations emailed, 1538 were received, and 981 completed surveys for a response rate of 63% (981/1538). Eighty-four percent of women (826/981) responded that they intended to attend for HPV-based cervical cancer screening, which decreased to 54.2% when the screening interval was extended, and decreased further to 51.4% when screening start was delayed to age 25. Predictors of intentions to undergo screening were attitudes (OR 1.22; 95%CI 1.15, 1.30), indirect subjective norms (OR 1.02; 95%CI 1.01, 1.03) and perceived behavioural control (OR 1.16; 95% CI 1.10; 1.22). Intentions to be screened for cervical cancer with HPV testing decreased substantially when the screening interval was extended and screening started at age 25. Use of primary HPV testing may optimize the screening paradigm, but programs should ensure robust planning and education to mitigate any negative impact on screening attendance rates