Paludiculture, the productive use of wet or rewetted peatlands, offers an option for continued land use by farmers after rewetting formerly drained peatlands, while reducing the greenhouse gas emissions from peat soils. Biodiversity conservation may benefit, but research on how biodiversity responds to paludiculture is scarce. We conducted a multi-taxon study investigating vegetation, breeding bird and arthropod diversity at six rewetted fen sites dominated by Carex or Typha species.
View Article and Find Full Text PDFHydrogen embrittlement (HE) is one of the main limitations in the use of advanced high-strength steels in the automotive industry. To have a better understanding of the interaction between hydrogen (H) and a complex phase steel, an in-situ method with plasma charging was applied in order to provide continuous H supply during mechanical testing in order to avoid H outgassing. For such fast-H diffusion materials, only direct observation during in-situ charging allows for addressing H effects on materials.
View Article and Find Full Text PDFDog owners are often impressed by their dog's sense of smell. Many of these dogs, however, have skulls that are quite altered from those of their closest canid relatives. Housed within these skulls are essential olfactory structures like the cribriform plate that play a role in olfaction and the transmission of olfactory nerve impulses to the olfactory bulb of the brain.
View Article and Find Full Text PDFThe current study assessed the prevalence of appearance concerns, psychosocial difficulty, and use of an appearance-focused social and psychological support resource (Young Person's Face IT; YPF) within a population of teens (12-17 year-olds) receiving outpatient burn care with the goal to assess the feasibility of routine use of the resource in outpatient burn care. The study sample included 78 patients ages 12 to 17 receiving outpatient care for burns at one hospital. Appearance concerns were measured via the Burn Outcomes Questionnaire Appearance Subscale, the Appearance Subscale of the Body Esteem Scale for Adolescents, and a 2-part question which asked participants directly about appearance concerns related to the burn injury.
View Article and Find Full Text PDFAn in situ hydrogen (H) plasma charging and in situ observation method was developed to continuously charge materials, while tensile testing them inside a scanning electron microscope (SEM). The present work will introduce and validate the setup and showcase an application allowing high-resolution observation of H-material interactions in a Ni-based alloy, Alloy 718. The effect of charging time and pre-straining was investigated.
View Article and Find Full Text PDFThe Burn Outcomes Questionnaire for children ages 5-18 years (BOQ5-18) is a widely used, reliable, and valid parent-reported outcome measure designed to assess children's recovery from burn injuries in 12 physical and psychosocial domains. This study evaluated the feasibility, acceptability, and usefulness of a feedback system that delivered BOQ and Pediatric Symptom Checklist (PSC-17; a widely used measure of psychosocial functioning) results to burn care clinicians prior to an outpatient appointment or a postoperative surgical encounter. The BOQ and the PSC-17 were administered to the parents of 147 children receiving outpatient or surgical care in two pediatric burn hospitals.
View Article and Find Full Text PDFObjective: This study's aim is to identify the most popular online resources for burn treatment information available in the Spanish language, and to evaluate the readability of this information.
Methods: The phrase "tratamiento de quemaduras" (burn treatment) was entered into search engines Google and Bing on 9/15/2014 and 9/13/2017. The top 12 Spanish web results on each site were identified and analyzed using Readability Studio Professional Edition v2012.
An 84-year-old woman with metastatic squamous cell carcinoma of the nasopharynx and no history of diabetes was started on the antiprogrammed cell death ligand-1 (anti-PD-L1) antibody durvalumab. Four months later, she presented in diabetic ketoacidosis with glucose 488 mg/dL, anion gap 16, positive serum ketones and A9.1%.
View Article and Find Full Text PDFTwo years ago, data presented at the annual American Diabetes Association (ADA) meeting in New Orleans showed a marked decrease in deaths, especially those due to cardiovascular disease, with the use of empagliflozin. Two major questions have been asked: (i) was the result a fluke; and (ii) was it a class effect, or was it specific to the agent used? The hope that both questions would be answered by a second study has been answered: the conclusions of EMPA-REG were not an anomaly and it is a class effect, not one caused by a specific drug. Importantly, do these studies require us to alter our algorithms for the treatment of type 2 diabetes? The CANagliflozin cardioVascular Assessment Study (CANVAS) was designed similarly to EMPA-REG, enrolling individuals who either had known cardiac disease or were at high risk for cardiac disease.
View Article and Find Full Text PDFBackground: Noninvasive glucose-monitoring devices represent an exciting frontier in diabetes research. GlucoTrack® is a noninvasive device that indirectly measures glucose fluctuation in the earlobe tissue. However, GlucoTrack measurements may be susceptible to effects of quasi-stable factors that may be affected by demographic profiles.
View Article and Find Full Text PDFBackground: Fruit flies and mammals protect themselves against infection by mounting immune and metabolic responses that must be balanced against the metabolic needs of the pathogens. In this context, p38 mitogen-activated protein kinase (MAPK)-dependent signaling is critical to regulating both innate immunity and metabolism during infection. Accordingly, we asked to what extent the Asian malaria mosquito Anopheles stephensi utilizes p38 MAPK signaling during infection with the human malaria parasite Plasmodium falciparum.
View Article and Find Full Text PDFBackground: An increasing number of clinics offer complementary or integrative medicine services; however, clear guidance about how complementary medicine could be successfully and efficiently integrated into conventional health care settings is still lacking. Combining conventional and complementary medicine into integrative medicine can be regarded as a kind of merger. In a merger, two or more organizations - usually companies - are combined into one in order to strengthen the companies financially and strategically.
View Article and Find Full Text PDFInsulin and insulin-like growth factor signaling (IIS) regulates cell death, repair, autophagy, and renewal in response to stress, damage, and pathogen challenge. Therefore, IIS is fundamental to lifespan and disease resistance. Previously, we showed that insulin-like growth factor 1 (IGF1) within a physiologically relevant range (0.
View Article and Find Full Text PDFIn the United States, more than 25 million adults have diabetes, 40% of diabetics have diabetic retinopathy, and diabetes is the leading cause of blindness in people 20 to 74 years of age. Clinical trials have shown that strict control of blood glucose level and other risk factors delays diabetic retinopathy onset, progression, and vision loss. Patients with Type 1 or Type 2 diabetes mellitus, access to an Apple iPhone or iPad, and no psychological or medical condition that would interfere with the study participated in a nonrandomized clinical trial using SightBook™, a free mobile app that enables self-measurement of visual function and creates a password-protected web account for each patient.
View Article and Find Full Text PDFEndocrinol Metab Clin North Am
December 2013
Diabetic ketoacidosis (DKA) and the hyperglycemic hyperosmolar state (HHS) are potentially fatal hyperglycemic crises that occur as acute complications of uncontrolled diabetes mellitus. The authors provide a review of the current epidemiology, precipitating factors, pathogenesis, clinical presentation, evaluation, and treatment of DKA and HHS. The discovery of insulin in 1921 changed the life expectancy of patients with diabetes mellitus dramatically.
View Article and Find Full Text PDFThe insulin/insulin-like growth factor signaling (IIS) cascade is highly conserved and regulates diverse physiological processes such as metabolism, lifespan, reproduction and immunity. Transgenic overexpression of Akt, a critical regulator of IIS, was previously shown to shorten mosquito lifespan and increase resistance to the human malaria parasite Plasmodium falciparum. To further understand how IIS controls mosquito physiology and resistance to malaria parasite infection, we overexpressed an inhibitor of IIS, phosphatase and tensin homolog (PTEN), in the Anopheles stephensi midgut.
View Article and Find Full Text PDFThe development of a closed-loop "artificial pancreas" would be a welcome advance for both endocrinologists and diabetic patients struggling to attain near normal glycemic control. While great strides in automatically controlling blood sugar in the fasting, sedentary state have been made through complex mathematical modeling, management of blood sugar excursions due to food and exercise have been more problematic. An artificial pancreas is not feasible at this time because of limitations inherent in the currently available technology.
View Article and Find Full Text PDFThe overexpression of activated, myristoylated Akt in the midgut of female transgenic Anopheles stephensi results in resistance to infection with the human malaria parasite Plasmodium falciparum but also decreased lifespan. In the present study, the understanding of mitochondria-dependent midgut homeostasis has been expanded to explain this apparent paradox in an insect of major medical importance. Given that Akt signaling is essential for cell growth and survival, we hypothesized that sustained Akt activation in the mosquito midgut would alter the balance of critical pathways that control mitochondrial dynamics to enhance parasite killing at some cost to survivorship.
View Article and Find Full Text PDFThe highly conserved insulin/insulin-like growth factor (IGF) signaling (IIS) pathway regulates metabolism, development, lifespan and immunity across a wide range of organisms. Previous studies have shown that human insulin ingested in the blood meal can activate mosquito IIS, resulting in attenuated lifespan and increased malaria parasite infection. Because human IGF1 is present at higher concentrations in blood than insulin and is functionally linked with lifespan and immune processes, we predicted that human IGF1 ingested in a blood meal would affect lifespan and malaria parasite infection in the mosquito Anopheles stephensi.
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