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Penchalaiah, K., Kumari, A.V., Naik, R.S., Deepthi, M. |
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Title |
Paederus Dermatitis: A Clinical Study of 200 Cases |
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Journal Article |
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2017 |
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Indian Journal of Applied Research |
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7 |
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4 |
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65-67 |
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Human Health |
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Introduction: Paederus dermatitis is peculiar irritant dermatitis seen in regions with warm, tropical and subtropical regions, like India, causes significant morbidity and can be misleading in diagnosis. The study was conducted to know the clinical profile of Paederus dermatitis and to create awareness among medical practitioners about this condition. Materials & Methods: All clinically diagnosed cases of Paederus dermatitis were included in the study. Detailed history was taken and a thorough clinical examination was conducted in all the cases. Results: A total of 200 cases comprising of 124 males and 76 females were studied. Morphology of lesions was mainly linear, but zosteriform, kissing and bizarre lesions were also observed. Conclusion: Paederus dermatitis should be included in differential diagnosis while examining erythemato– vesicular lesions of sudden onset, especially on exposed body parts during rainy and post rainy season. Awareness of this condition and its clinical features among the physicians and medical practitioners will prevent misdiagnosis. |
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NC @ ehyde3 @ |
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2069 |
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Author |
Gall, D. |
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Title |
Die Messung circadianer Strahlungsgrößen |
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2004 |
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Technische Universität Illmenau |
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17 |
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LoNNe @ kagoburian @ |
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754 |
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Rybnikova, N.A.; Portnov, B.A. |
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Outdoor light and breast cancer incidence: a comparative analysis of DMSP and VIIRS-DNB satellite data |
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2016 |
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International Journal of Remote Sensing |
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International Journal of Remote Sensing |
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38 |
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21 |
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5952-5961 |
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Human Health |
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Several population-level studies explored the association between breast cancer (BC) incidence and artificial light-at-night (ALAN), and found higher BC rates in more lit areas. Most of these studies used ALAN satellite data, available from the United States Defence Meteorological Satellite Program (US-DMSP), while, in recent years, higher-resolution ALAN data sources, such as Visible Infrared Imaging Radiometer Suite Day-Night Band (VIIRS-DNB), have become available. The present study aims to determine whether the use of different ALAN data sources may affect the BC–ALAN association. As the test case, we use data on BC incidence rates in women residing in the Greater Haifa Metropolitan Area (GHMA; Israel), matching them with US-DMSP and VIIRS-DNB data on ALAN intensities, and controlling for several potential confounders, including age, fertility, and socio-economic status (SES). Both ordinary least squares (OLS) and spatial dependency models were used in the analysis. ALAN emerged as a stronger predictor of BC rates in models based on better-resolution VIIRS-DNB estimates (t > 6.035; p < 0.01) than in models based on coarser US-DMSP data (t < 4.196; p < 0.01). |
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0143-1161 |
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1552 |
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Schröter-Schlaack, C.; Schulte-Römer, N.; Revermann, C. |
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Title |
Lichtverschmutzung – Ausmaß, gesellschaftliche und ökologische Auswirkungen sowie Handlungsansätze |
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2020 |
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186 |
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1-200 |
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Review; Skyglow; Ecology; Human Health; Lighting; Public Safety; Remote Sensing |
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Künstliches Licht kann als eine der größten technischen Errungenschaften der Menschheit angesehen werden, die erhebliche Veränderungen bzw. Fortschritte der Arbeits- und Lebensweisen ermöglichen. Mit künstlicher Beleuchtung wird aber auch der natürliche Rhythmus von Tag und Nacht verändert und damit das Gesamtgefüge des Naturhaushaltes und der Nachtlandschaft transformiert. Ein natürlich dunkler Nachthimmel ist in Deutschland selten geworden. Licht-glocken über urbanen Gebieten sind weit weg von ihrem Entstehungsort in unbeleuchteten Gebieten noch sichtbar und lassen Sterne und die Milchstraße unkenntlich werden. Nicht nur das direkte elektrische Licht erleuchtet unsere Umwelt, sondern auch der nach oben abgestrahlte und reflektierte Teil des Lichts. Schichten der Atmosphäre, Staub oder Wassertropfen reflektieren und streuen das Licht. Dieser auch als Skyglow bezeichnete Effekt bewirkt eine zusätzliche Erhellung. Neben dieser künstlich erhöhten Himmelshelligkeit kann Licht auch die direkte Umgebung ungewollt aufhellen oder durch Blendung das Sehen einschränken. Licht ist ein wichtiger externer Zeitgeber für die innere Uhr der Lebewesen, an dessen natürlichen Rhythmus sich Menschen, Tiere und Pflanzen über Jahrhunderte angepasst haben. So wird vermutet, dass die permanent und periodisch veränderten Lichtverhältnisse durch zunehmende künstliche Beleuchtung negative Auswirkungen auf die menschliche Gesundheit haben und ebenso zu ökologischen Beeinträchtigungen führen.All diese nichtintendierten Wirkungen der künstlichen Beleuchtung werden unter dem Sammelbegriff Lichtverschmutzung verstanden. Lichtverschmutzung ist hier definiert als unerwünschte Wirkung künstlicher Beleuchtung im Außenbereich, also das Licht, das räumlich (Richtung und Fläche), zeitlich (Tages- und Jahreszeit, Dauer, Periodizität) oder in der Intensität oder spektralen Zusammensetzung (z.B. Ultraviolett- oder Blauanteil) über den reinen Beleuchtungszweck hinaus nicht beabsichtigte Auswirkungen hat (Kuechly et al. 2018). Mit dem vorliegenden Bericht werden der wissenschaftliche Erkenntnis-stand im Hinblick auf Umfang und Trends der Lichtverschmutzung sowie ihre wirtschaftlichen und soziokulturellen, humanmedizinischen und ökologischen Wirkungen zusammengefasst. Auf Basis dieser Erkenntnisse und aktueller beleuchtungstechnologischer und lichtplanerischer Möglichkeiten werden Handlungsoptionen abgeleitet, die eine Verringerung der Lichtverschmutzung bei gleichzeitiger Berücksichtigung der nutzbringenden Ziele der Beleuchtung unterstützen können. |
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Büro für Technikfolgen-Abschätzung beim Deutschen Bundestag (TAB) |
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German |
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GFZ @ kyba @ |
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3058 |
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Zahra, H. S., Iqbal, A., Hassan, S. H., Shakir, H. A., Khan, M., Irfan, M., ... & Ali, S. |
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Title |
Epigenetics: A Bridge between Artificial Light at Night and Breast Cancer |
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2019 |
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Punjab University Journal of Zoology |
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34 |
Issue |
2 |
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231-238 |
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Review; Human Health |
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The second most frequent cancer all over the world is breast cancer (BC). It is
reported that only about 10% BC cases are attributed due to inherited genetic mutations while remaining 90% cancer cases are associated with environmental factors. Artificial light at night (ALAN) is considered one of the major environmental risk factors for breast cancer. It inhibits production of melatonin (MLT) from pineal gland which results in abnormal epigenetic changes that relates with an increased risk of BC. The most important ALAN-mediated epigenetic changes include methylation of DNA and acetylation of histone, which are significant for growth, development and progression of BC. DNA hypermethylation of promoter CpG islands inhibits transcriptional activity by methyltransferase enzyme which results in inactivation of tumor suppressor genes (TSG), while in hypomethylation, demethyltransferase enzyme causes the activation of oncogenes by promoting transcriptional activity. Contrary to DNA methylation, histone acetylation and deacetylation results in chromatin opening and closing, respectively; leading to transcriptional activation and inactivation of genes. Histone acetylation has been frequently detected in oncogenes while histone deacetylation in TSG. Collective data from various studies demonstrate that DNA hypermethylation and histone deacetylation of TSG lead to inactivation of TSG and activation of oncogenes. The purpose of this review is to discuss the evidence based relationship between ALAN and oncogenes expression through epigenetic remodeling by DNA methylation and histone acetylation. |
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IDA @ intern @ |
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2973 |
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