The ecological impacts of nighttime light pollution: a mechanistic appraisal

Biological reviews/Biological reviews of the Cambridge Philosophical Society, Год журнала: 2013, Номер 88(4), С. 912 - 927

Опубликована: Апрель 8, 2013

ABSTRACT The ecological impacts of nighttime light pollution have been a longstanding source concern, accentuated by realized and projected growth in electrical lighting. As human communities lighting technologies develop, artificial increasingly modifies natural regimes encroaching on dark refuges space, time, across wavelengths. A wide variety implications identified. However, the primary research to date is largely focused disruptive influence higher vertebrates, while comprehensive reviews compiled along taxonomic lines within specific domains, subject need synthesis common mechanistic framework. Here we propose such framework that focuses cross‐factoring ways which alters (spatially, temporally, spectrally), influences biological systems, particularly distinction between as resource an information source. We review evidence for each combinations this cross‐factoring. patterns time wavelengths, use flows may be disrupted, with downstream effects structure function ecosystems. This highlights: ( i ) potential at all levels organisation (from cell ecosystem); ii significant impact even low can have; iii existence major gaps, terms population ecosystem levels, identification intensity thresholds, spatial extent vicinity lights.

Язык: Английский

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Melatonin—A pleiotropic, orchestrating regulator molecule

Progress in Neurobiology, Год журнала: 2010, Номер 93(3), С. 350 - 384

Опубликована: Дек. 29, 2010

Язык: Английский

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Shift work and chronic disease: the epidemiological evidence

Occupational Medicine, Год журнала: 2011, Номер 61(2), С. 78 - 89

Опубликована: Фев. 25, 2011

Background Shift work, including night has been hypothesized to increase the risk of chronic diseases, cancer, cardiovascular disease (CVD), metabolic syndrome and diabetes. Recent reviews evidence relating these hypotheses have focussed on specific diseases or potential mechanisms, but no general summary current data shift work published. Methods Systematic critical recent original studies indexed in PubMed prior 31 December 2009 were retrieved, aided by manual searches reference lists. The main conclusions from principle results are presented text tables. Results Published is suggestive not conclusive for an adverse association between breast cancer limited inconsistent cancers at other sites all combined. Findings relation risks CVD, diabetes also relationship. Conclusions Heterogeneity study exposures outcomes emphasis positive non-significant make it difficult draw conclusions. Further needed additional endpoints populations.

Язык: Английский

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Limiting the impact of light pollution on human health, environment and stellar visibility

Journal of Environmental Management, Год журнала: 2011, Номер 92(10), С. 2714 - 2722

Опубликована: Июль 15, 2011

Язык: Английский

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Circadian Clock Proteins and Immunity

Immunity, Год журнала: 2014, Номер 40(2), С. 178 - 186

Опубликована: Фев. 1, 2014

Язык: Английский

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Exposure to Room Light before Bedtime Suppresses Melatonin Onset and Shortens Melatonin Duration in Humans

The Journal of Clinical Endocrinology & Metabolism, Год журнала: 2010, Номер 96(3), С. E463 - E472

Опубликована: Дек. 30, 2010

Millions of individuals habitually expose themselves to room light in the hours before bedtime, yet effects this behavior on melatonin signaling are not well recognized. We tested hypothesis that exposure late evening suppresses onset synthesis and shortens duration production. In a retrospective analysis, we compared daily profiles living (<200 lux) vs. dim (<3 lux). Healthy volunteers (n = 116, 18–30 yr) were recruited from general population participate one two studies. Participants lived General Clinical Research Center for at least five consecutive days. Individuals exposed or 8 h preceding bedtime. Melatonin duration, offset, suppression, phase angle entrainment determined. Compared with light, bedtime suppressed melatonin, resulting later 99.0% shortening by about 90 min. Also, during usual sleep greater than 50% most (85%) trials. These findings indicate exerts profound suppressive effect levels body's internal representation night duration. Hence, chronically exposing oneself electrical lighting disrupts could therefore potentially impact sleep, thermoregulation, blood pressure, glucose homeostasis.

Язык: Английский

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Shift work and cancer risk: Potential mechanistic roles of circadian disruption, light at night, and sleep deprivation

Sleep Medicine Reviews, Год журнала: 2012, Номер 17(4), С. 273 - 284

Опубликована: Ноя. 6, 2012

Язык: Английский

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The Effects of Light at Night on Circadian Clocks and Metabolism

Endocrine Reviews, Год журнала: 2014, Номер 35(4), С. 648 - 670

Опубликована: Март 27, 2014

Most organisms display endogenously produced ∼24-hour fluctuations in physiology and behavior, termed circadian rhythms. Circadian rhythms are driven by a transcriptional-translational feedback loop that is hierarchically expressed throughout the brain body, with suprachiasmatic nucleus of hypothalamus serving as master oscillator at top hierarchy. Appropriate regulation important for many homeostatic functions including energy regulation. Multiple genes involved nutrient metabolism rhythmic oscillations, metabolically related hormones such glucagon, insulin, ghrelin, leptin, corticosterone released fashion. Mice harboring mutations clock alter feeding endocrine signaling, dietary fat absorption. Moreover, misalignment between behavioral molecular clocks can result obesity both rodents humans. Importantly, most potently synchronized to external environment light information exposure night potentially disrupts system function. Since advent electric lights around turn 20th century, artificial irregular schedules has become commonplace. The increase parallels global prevalence metabolic disorders. In this review, we propose alters function through disruption system. We first provide an introduction system, specific emphasis on effects Next address interactions metabolism. Finally, review current experimental epidemiological work directly associating

Язык: Английский

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Considerations of circadian impact for defining ‘shift work’ in cancer studies: IARC Working Group Report

Occupational and Environmental Medicine, Год журнала: 2010, Номер 68(2), С. 154 - 162

Опубликована: Окт. 20, 2010

Based on the idea that electric light at night might account for a portion of high and rising risk breast cancer worldwide, it was predicted long ago women working non-day shift would be higher compared with day-working women. This hypothesis has been extended more recently to prostate cancer. On basis limited human evidence sufficient in experimental animals, 2007 International Agency Research Cancer (IARC) classified 'shift work involves circadian disruption' as probable carcinogen, group 2A. A limitation epidemiological studies carried out date is definition work.' IARC convened workshop April 2009 consider how work' should assessed what domains occupational history need quantified valid future. The identified several major shifts schedules captured future studies: (1) system (start time shift, number hours per day, rotating or permanent, speed direction system, regular irregular); (2) years particular schedule (and cumulative exposure over subject's life); (3) intensity (time off between successive days schedule). also recognised further identified, research needs conducted impact various routines physiological rhythms workers real-world environments.

Язык: Английский

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Effects of artificial light at night on human health: A literature review of observational and experimental studies applied to exposure assessment

Chronobiology International, Год журнала: 2015, Номер 32(9), С. 1294 - 1310

Опубликована: Сен. 16, 2015

It has frequently been reported that exposure to artificial light at night (ALAN) may cause negative health effects, such as breast cancer, circadian phase disruption and sleep disorders. Here, we reviewed the literature assessing effects of human ALAN in order list various aspects ALAN. Several electronic databases were searched for articles, published through August 2014, related on health; these also included details experiments exposure. A total 85 articles review. observational studies showed outdoor levels are a risk factor cancer indoor intensity individual lighting habits relevant this risk. Exposure bright during nighttime suppresses melatonin secretion, increases onset latency (SOL) alertness. Circadian misalignment caused by chronic have psychological, cardiovascular and/or metabolic functions. causes disruption, which with longer duration later evening. shorter wavelengths preferentially disturb secretion shifts, even if is not bright. This review be helpful understand suggests it necessary consider characteristics light, beyond mere intensity.

Язык: Английский

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