Multiplicity and Welt

Alcohol dependence is a chronic remitting disorder—for some; but clearly not for all, as Cunningham & McCambridge observe in their thought-provoking paper [1]. Several epidemiological studies around the world, at least the western world, confirm that the majority of people who at one point in time fulfil the criteria for alcohol dependence no longer do so a few years later on. It is also evident that this disorder, like most other disorders, varies in severity. Most people seem to develop it in a mild form, typically in young adulthood, and then appear to mature out of their drinking problems. In a recent Swedish study [2], approximately 75% of all subjects with dependence had a mild or moderate form of dependence, with three or four DSM-IV dependence criteria, and a minority, approximately 25%, had a more severe form, with five to seven criteria. How these epidemiological observations connect with neurobiological research is still unclear. In spite of impressive advances in this field we still do not understand why some people do not develop dependence at all, in spite of considerable exposure to alcohol, and how clinical severity and neurobiological measures of impairment correlate [3]. Cunningham & McCambridge make an important point where they observe that most clinical and biological addiction research has been based on clinically selected samples. This limits generalizability, as the vast majority of people with alcohol dependence do not seek or receive treatment [4]. Those who do tend to have more severe forms of addiction and/or more psychiatric comorbidity and other psychosocial trouble. Perhaps it is only in this group that significant structural changes in the brain or changes in biochemistry will be found—and perhaps it is mainly in this group that the chronic remitting form of alcohol dependence is found. More studies are required on the less severe end of the alcohol problems continuum to clarify this. One serious consequence of present popular conceptions about dependence and its treatment is that they leave the majority of alcohol-dependent people without help from the treatment system. This is troublesome for the individuals concerned and their families, as well as for the wider community. As Cunningham & McCambridge rightly observe, the epidemiological paradox applies to the alcohol field as much as to other health fields, where most of the suffering and costs are generated in the majority with lower severity. There has been general agreement for at least 20–30 years that treatment for alcohol problems needs a broader base in the community [5]. However, so far little progress has been made in this regard. Despite impressive evidence of effectiveness, screening and brief intervention for alcohol problems has not yet been integrated into routine practice. One reason for this failure is probably the concern that screening will reveal not only hazardous or harmful drinking, but alcohol dependence as well, and that this disorder is considered too complicated to manage in primary care. This view of alcohol dependence is largely a result of clinical research based on the most severe cases. Clinical research, experiences among practitioners, popular perceptions of addiction, all contribute to a vicious circle. Drinking problems are managed mainly without treatment because treatment is unattractive. The barriers to treatment are overcome only when the trouble becomes very severe, reinforcing the perception that alcohol dependence is a very severe disorder. As this view is shared by general practitioners, other non-specialists and the general population alike, only people with the chronic remitting form of the disorder will be found in treatment—and will form the basis for further studies of the disorder. What is needed now is, on one hand, neurobiological research on the majority of alcohol-dependent people who do not seek treatment and, on the other hand, research on how people in this group view their condition and what kind of help—if any—they want. A reasonable hypothesis is that many people with alcohol dependence realize that they are drinking too much, but reject help from the formal addiction treatment system because they do not identify with the majority of severely dependent, socially marginalized people who are being treated today. For practitioners, the major challenge is to make treatment for alcohol dependence more attractive to the large majority. Researchers have the responsibility to convey to practitioners a correct picture of alcohol dependence as a mainly time-limited disorder of mild or moderate severity and equip them with adequate tools to manage this disorder. None.

Behavioural, molecular, and functional analyses revealed that fever contributes to induction and resolution phases of acute inflammation, through enhancement of antimicrobial defences, increased efficiency in inflammation control, and improved wound repair.

Long Pentaxin 3 is highly expressed by non-hematopoietic cells during Streptococcus pneumoniae invasive infections and regulates polymorphonuclear neutrophils' recruitment through interaction with P-selectin which damps inflammation-associated tissue damage and pneumococcal systemic dissemination.

The timing and duration of locomotor activity can be impacted by changes in environmental light conditions. In mammals, the circadian system in offspring is initially entrained by that of the mother. Photoentrainment of the biological clock by the perinatal light environment begins at birth, and development of the circadian system is completed postnatally when the individual establishes its own internal circadian rhythm. Because of this perinatal to adult patterning, the perinatal light environment can have important developmental consequences to behavior and physiology in the adult. Here we explore the possible effects of photoentrainment on the skeleton using a mouse model system. Skeletal phenotypes are produced through a combination of an animal's genetic background, its plastic responses to its environment (e.g., diet, activity), and the interactions between genetics and environment. Because light environment can have both immediate and long‐term effects on locomotor behavior patterns, variation in photoperiod may impact bone biology indirectly via altered activity levels. To investigate the influence of perinatal light environment on adult activity patterns and bone morphology, one group of C57BL/6 mice was kept under a standard 12:12 L/D photoperiod (12 L; n = 10) and another group (24 L; n = 8) lived under constant light throughout their prenatal and early postnatal development. After five postnatal weeks, the 24 L group were transitioned into a 12:12 photoperiod. Home cage activity data for each animal was collected at 12, 20, and 28 postnatal weeks. After 31 weeks, mice were sacrificed to allow morphometric analyses on dissected long bones. At each of the three time points, we found that the 24 L mice spent significantly less of their time walking (P = 0.044) and walked lower distances overall than the 12 L group (P = 0.006). However, despite significant differences in activity, comparisons of femur length, AP diameter, ML diameter, proximal width, distal width, head height, and head depth indicated no significant differences between the two treatment groups. Overall, our results suggest that while perinatal light environment does have a lasting influence on the activity levels of adults, neither the differences in perinatal environment nor in adult activity between the two treatment groups had a significant impact on femoral morphology. These results support other recent research which has indicated that genetic background has a greater impact on skeletal phenotype than exercise does. Future studies will include investigating bone mineralization and bending mechanics.Support or Funding InformationAmerican Diabetes Association 1‐14‐BS‐181

BACKGROUND: Work-related musculoskeletal disorders (WMSDs) are significant problems in the workplace that are extremely costly to employees, employers, and society. One of the most common symptoms of WMSDs is musculoskeletal pain which has been associated with detrimental effects to health behaviors including a decrease in physical activity levels. Lower levels of physical activity have been associated with elevated levels of obesity which increases the risk for the negative health consequences associated with a higher BMI. PURPOSE: To compare the prevalence of obesity, musculoskeletal pain, and the difficulty to engage in physical activity of Correctional Officers (COs) to the U.S. adult general population at two time points. Furthermore, to explore the associations between musculoskeletal pain and health behaviors amongst COs. DESIGN: Seventy-seven Correctional Officers from two maximum security correctional facilities in the Northeastern United States were enrolled in the study. The health profiles (musculoskeletal pain, difficulty to engage in physical activity, and BMI characteristics) of participants were collected at two time points (Time 1 (2011) and Time 2 (2013)) and compared to the U.S. adult general population. The health profiles of COs were also used to investigate associations between musculoskeletal pain and the difficulty to engage in physical activity at two time points. Also to explore if musculoskeletal pain at Time 1 predicts the difficulty to engage in physical activity at Time 2. RESULTS: Correctional employees exhibited a significantly higher prevalence of overweight and obesity, musculoskeletal pain, and difficulty to engage in physical activity than the U.S. adult general population at both time points (p<.05). Musculoskeletal pain was associated with a difficulty to engage in physical activity at both time points (p<.05). Musculoskeletal pain was predictive of the future difficulty to engage in physical activity (p<.05). CONCLUSIONS: As a result of the musculoskeletal pain, COs report difficulties to engage in physical activity. The results of this study provide a rationale for the implementation of feasible ergonomic interventions in the environment of corrections to alleviate musculoskeletal pain and improve the health behaviors of COs.

Molecular timekeeping in Neurospora crassa is robust even under severe limitation of carbon sources and the efficient adaptation to changing nutrient availability is dependent on the positive component of the circadian clock.

The benefits of neighborhood racial diversity: Neighborhood factors and its association with increased physical activity in ACS patients

Regulatory developmental neurotoxicology testing: data evaluation for risk assessment purposes

TIP60 (HTATIP) is a histone acetyltransferase (HAT) whose function is critical in regulating ataxia-telangiectasia mutated (ATM) activation, gene expression, and chromatin acetylation in DNA repair. Here we show that under non-stressed conditions, activating transcription factor-2 (ATF2) in cooperation with Cul3 ubiquitin ligase promotes degradation of TIP60, thereby attenuating its HAT activity. Inhibiting either ATF2 or Cul3 expression by small interfering RNA stabilizes the TIP60 protein. ATF2 association with TIP60 on chromatin is decreased following exposure to ionizing radiation (IR), resulting in enhanced TIP60 stability and activity. We also identified a panel of melanoma and prostate cancer cell lines whose ATF2 expression is inversely correlated with TIP60 levels and ATM activation after IR. Inhibition of ATF2 expression in these lines restored TIP60 protein levels and both basal and IR-induced levels of ATM activity. Our study provides novel insight into regulation of ATM activation by ATF2-dependent control of TIP60 stability and activity.

Radiopaque microspheres may provide intraprocedural and postprocedural feedback during transarterial radioembolization (TARE). Furthermore, the potential to use higher resolution x-ray imaging techniques as opposed to nuclear medicine imaging suggests that significant improvements in the accuracy and precision of radiation dosimetry calculations could be realized for this type of therapy. This study investigates the absorbed dose kernel for novel radiopaque microspheres including contributions of both short and long-lived contaminant radionuclides while concurrently quantifying the self-shielding of the glass network. Monte Carlo simulations using EGSnrc were performed to determine the dose kernels for all monoenergetic electron emissions and all beta spectra for radionuclides reported in a neutron activation study of the microspheres. Simulations were benchmarked against an accepted 90 Y dose point kernel. Self-shielding was quantified for the microspheres by simulating an isotropically emitting, uniformly distributed source, in glass and in water. The ratio of the absorbed doses was scored as a function of distance from a microsphere. The absorbed dose kernel for the microspheres was calculated for (a) two bead formulations following (b) two different durations of neutron activation, at (c) various time points following activation. Self-shielding varies with time postremoval from the reactor. At early time points, it is less pronounced due to the higher energies of the emissions. It is on the order of 0.4-2.8% at a radial distance of 5.43mm with increased size from 10 to 50μm in diameter during the time that the microspheres would be administered to a patient. At long time points, self-shielding is more pronounced and can reach values in excess of 20% near the end of the range of the emissions. Absorbed dose kernels for 90 Y, 90m Y, 85m Sr, 85 Sr, 87m Sr, 89 Sr, 70 Ga, 72 Ga, and 31 Si are presented and used to determine an overall kernel for the microspheres based on weighted activities. The shapes of the absorbed dose kernels are dominated at short times postactivation by the contributions of 70 Ga and 72 Ga. Following decay of the short-lived contaminants, the absorbed dose kernel is effectively that of 90 Y. After approximately 1000h postactivation, the contributions of 85 Sr and 89 Sr become increasingly dominant, though the absorbed dose-rate around the beads drops by roughly four orders of magnitude. The introduction of high atomic number elements for the purpose of increasing radiopacity necessarily leads to the production of radionuclides other than 90 Y in the microspheres. Most of the radionuclides in this study are short-lived and are likely not of any significant concern for this therapeutic agent. The presence of small quantities of longer lived radionuclides will change the shape of the absorbed dose kernel around a microsphere at long time points postadministration when activity levels are significantly reduced.

Validating a measure of growing pattern understanding in Chinese preschool children

There have been several proposals for the mechanism by which we are able to recognize an object across a number of viewpoints. Viewpoint-dependent accounts suggest that recognition may be based on an incremental transformation (e.g., mental rotation) strategy, while a variety of viewpoint-independent mechanisms for object recognition have also been proposed. Recent research in neurobiology, based on the two cortical visual systems account, suggest that the processes of viewpoint-dependent and viewpoint-independent object recognition may rely on separate anatomical regions, and that brain lesions may leave patients with selective access to particular types of representation. Evidence from a variety of neuropsychological disorders are reviewed to support the position that viewpoint-independent object recognition depends upon the integrity of occipitotemporal structures. In addition, it is suggested that viewpoint-dependent processes (perhaps depending on occipitoparietal structures) may supplement this primary system under nonoptimal circumstances.

Background: Participation in at least 150 minutes/week of moderate-intensity aerobic activity is suggested for postpartum women. However, few women engage in these recommended levels of physical activity after pregnancy. To inform the development of interventions aimed at maintaining or increasing physical activity in the postpartum period, it is important to understand which factors are associated with postpartum physical activity. Methods: We examined the correlates of self-reported moderate to vigorous physical activity (MVPA) at 3- and 12-months postpartum among a cohort of women in the Pregnancy, Infection, and Nutrition Postpartum study. Women self-reported the frequency, duration, and mode of MVPA. Potential correlates were identified according to the socioecological framework and included sociodemographics, behavioral characteristics, non-recreational modes of MVPA (assessed only for recreational MVPA), reproductive history, infant care, psychosocial factors, and barriers to MVPA. Logistic regression models with GEE were used to identify correlates of any MVPA (≥10 minutes/week across all modes of activity) and any recreational MVPA (≥10 minutes/week) among women at 3-months (n=667) and 12-months (n=530) postpartum. Results: At both time points, lower odds of participation in any MVPA were associated with lower education, breastfeeding, depression, and minimal emotional support. Low confidence in exercise ability, receipt of advice about physical activity, and warmer seasons were associated with higher odds of participation in any MVPA. Associations varied by time point for two correlates. Low poverty and odds of any MVPA were negatively associated at 3-months and positively associated at 12-months postpartum. History of preeclampsia and odds of any MVPA were positively associated at 3-months and negatively associated at 12-months postpartum. For recreational MVPA at both time points, lower odds of participation were associated with unmarried status, lower education, employment, low poverty, history of preeclampsia, and minimal emotional support. Involvement in child/adult care activities and warmer seasons were associated with higher odds of participation in any recreational MVPA. Associations varied by time point for two correlates. Transportation MVPA and odds of any recreational MVPA were positively associated at 3-months and negatively associated at 12-months postpartum. Moderate stress and odds of any recreational MVPA were negatively associated at 3-months and positively associated at 12-months postpartum. Conclusion: These findings suggest that there are several modifiable factors associated with participation in MVPA in the postpartum period. Selected associations varied by time point. This information should be considered when developing interventions to help women maintain or increase physical activity following pregnancy.

Cyp450 Geno-Phenotype Analysis: Application of Ceiba Cocktail To Mexican Populations

Mice Heterozygous for a Defect in Mitochondrial Trifunctional Protein Develop Hepatic Steatosis and Insulin Resistance