Some digenetic trematodes of the olive ridley sea turtle, Lepidochelys olivacea (Testudines, Cheloniidae) in Costa Rica

Summary Three species of digeneans including 1 Gorgoderidae (Plesiochorus cymbiformis) from the urinary bladder, 1 Plagiorchiidae (Enodiotrema megachondrus) from the duodenum, and 1 Pachypsolidae (Pachypsolus irroratus) from the stomach were recovered from 2 of 3 olive ridley turtles (Lepidochelys olivacea) found stranded along the Pacific coast of Costa Rica. All trematodes represent new locality records. Histopathological changes associated with eggs of cardiovascular flukes (Digenea, Spirorchiidae) were described from the lungs, spleen, and intestine of a single turtle.     

小鼠卵细胞质内显微注入单精子受精的实验研究

为了探讨提高小鼠卵细胞质内单精子注入受精率的方法，选取鼠龄１２－１４周的健康昆明白小鼠作为精子和卵子的供体，受用ＩＣＳＩ技术，以受精后二细胞卵裂的形成率为指标，了解不同采卵时间，不同微注射针参数及不同培养液对细胞质单精子注入的影响。结果表明，ｈＣＧ注射后１８－１９ｈ采卵，用针尖内径为４－５μｍ，斜面角度为３５－４０度的微注射针进行ＩＣＳＩ操作受精后卵子置ＣＺＢ中培养可获得较多的２细胞胚，卵裂率明显     

Application of an aldrin and dieldrin ELISA to the detection of pesticides in eggs

This paper details the results obtained when a number of egg samples, collected in Egypt from different races of chicken were analyzed for the presence of the organochlorine insecticides aldrin and dieldrin. A simple ELISA was used for the detection and quantification of aldrin and dieldrin. The test was modified for application in this high protein system. Pesticide was detected in 83–352% (14/17) of the samples at levels ranging from 0.006 to 0.7 ppm (0.006 to 0.7 μg ml^‐1). People eating eggs containing these amounts of pesticides which are above the World Health Organisation average daily intake levels would be at increased risk.     

Increasing Egg Consumption at Breakfast Is Associated with Increased Usual Nutrient Intakes: A Modeling Analysis Using NHANES and the USDA Child and Adult Care Food Program School Breakfast Guidelines

The objective of the current modeling analysis was three-fold: (1) to examine usual nutrient intakes in children when eggs are added into dietary patterns that typically do not contain eggs; (2) to examine usual nutrient intakes with the addition of eggs in the Child and Adult Care Food Program (CACFP) school breakfast; and (3) to examine nutrient adequacy when eggs are included in routine breakfast patterns and with the addition of eggs to the CACFP school breakfast program. Dietary recall data from the National Health and Nutrition Examination Survey 2011–2016 (children aged 1–18 years-old; n = 9254; CACFP n = 159) were used in the analysis. The usual intakes of pantothenic acid, riboflavin, selenium, and vitamin D increased ≥10 percent (relative to the baseline values) with the addition of one egg at breakfast. The usual intakes of protein and vitamin A at breakfast were also increased by more than 10 percent compared to the baseline values with the addition of two eggs. Similar outcomes were observed with the addition of eggs to the CACFP school breakfast. The percent of children above the adequate intake for total choline increased to 43.6 and 57.8% with one and two eggs, respectively, compared to 22.6% at the baseline. The addition of eggs at breakfast can contribute to nutrient intakes and overall dietary adequacy and play a role in public health initiatives aimed at increasing the intake of under-consumed nutrients and nutrients of concern.     

Randomised controlled trial of advice on an egg exclusion diet in young children with atopic eczema and sensitivity to eggs

Background: The role of exclusion diets in the management of atopic eczema in young children is uncertain. This randomised controlled trial evaluates the effect of excluding egg from the diet in young children with atopic eczema and sensitivity to eggs. Fifty-five such children were randomised either to a 4-week regimen, in which mothers were given general advice on care of eczema and additional specific advice from a dietician about an egg exclusion diet (diet group), or to a control group in which general advice only was given. Both groups continued conventional topical treatment. Disease activity was assessed by estimates of the surface area affected by eczema and by an arbitrary severity score. Possible egg sensitivity was identified by RAST before randomisation and after the trial by double-blind placebo-controlled egg challenge. Results: The mean reduction in surface area affected by eczema was significantly greater (p = 0.02) in the group receiving dietary advice (from 19.6% to 10.9% area affected) than in the control group (from 21.9% to 18.9%). A significant improvement also occurred in severity score (p=0.04): from 33.9 to 24.0 units for the diet group compared with a decrease from 36.7 to 33.5 in the control group. The study suggests that advice on the dietary exclusion of eggs is useful as part of the overall management of young children with atopic eczema and sensitivity to eggs.     

获卵数低多囊卵巢综合征患者再次促排卵的妊娠结局及影响因素分析#br#

Objective?To investigate the impact of different ovulation induction protocols on the clinical outcomes and analyze related factors when polycystic ovarian syndrome(PCOS) patients whose number of eggs obtained last time equal to or less than five received the ovarian hyperstimulation treatment again. Methods?The retrospective analysis was made on the clinical data of 242 PCOS patients whose number of eggs obtained last time was equal to or less than five in in vitro fertilization and embryo transfer(IVF/ICSI) in the Reproductive Center of Peking University Third Hospital from January 2011 to December 2018 who received the ovulation induction treatment again. The amount of Gn used, the number of eggs obtained, and the pregnancy outcome of different ovulation induction protocols was compared. At the same time, the multi-factor linear regression analysis model was used to analyze the related factors affecting the accumulative live birth rate. Results?242 patients used the ultra-long protocol, long protocol, short protocol, and antagonist protocol for ovarian hyperstimulation. The number of eggs obtained was 12.46±2.66, 12.28±86, 10.64±1.77, 13.25±0.97, respectively. There was no statistical difference among different groups (P=0.780). The amount of Gn used and the number of days of use in the antagonist protocol group was significantly smaller than those of the ultra-long protocol and long protocol groups (P＜0.05). The amount of Gn used in the ultra-long protocol group was significantly bigger than that of the long protocol, short protocol, and antagonist protocol groups (P＜0.05). In 115 transplant cycles, the rate of embryo implantation, clinical pregnancy rate, and accumulative live birth rate of different ovulation induction protocols had no statistical difference (P＞0.05). The multi-factor regression analysis showed that the treatment method was the important affecting factor of the accumulative live birth rate (P＜0.05) and the number of eggs obtained was a mediating variable. Conclusion?For PCOS patients whose number of eggs obtained last time was not big, after another time of ovulation induction, the average number of eggs obtained maybe bigger than ten and an ideal reproduction assistance outcome could be achieved.     

Determination of heavy metals in albumen of hen eggs from the Markazi Province (Iran) using ICP-OES technique

Increase of distribution of environmental contaminants such as heavy metals have been caused the knowledge of the safety and hygiene of food is very important, especially eggs, because of its role in the daily diet. There are very few studies about the investigation of the heavy metal contents in egg-white. In this study, six heavy metals include Aluminium (Al), Arsenic (As), Lead (Pb), Cadmium (Cd), Mercury (Hg), Antimony (Sb) in egg-white from 32 industrial poultry farms were investigated, by ICP-OES. All the samples were collected in all area of Markazi Province, Iran in autumn 2013. The mean concentrations of heavy metals in egg-white as follows: 0.119 for Al, 0.785 for As, 0.750 for Pb, 0.249 for Cd, 0.270 for Hg and 0.186?mg/kg for Sb. Also, the concentration of the some heavy metals were higher than maximum allowable concentration that probably it is associated to use pesticides and activities of industrial factories around the poultry farms.     

Dietary Sources of Vitamin B-12 and Their Association with Vitamin B-12 Status Markers in Healthy Older Adults in the B-PROOF Study

Low vitamin B-12 concentrations are frequently observed among older adults. Malabsorption is hypothesized to be an important cause of vitamin B-12 inadequacy, but serum vitamin B-12 may also be differently affected by vitamin B-12 intake depending on food source. We examined associations between dietary sources of vitamin B-12 (meat, fish and shellfish, eggs, dairy) and serum vitamin B-12, using cross-sectional data of 600 Dutch community-dwelling adults (≥65 years). Dietary intake was assessed with a validated food frequency questionnaire. Vitamin B-12 concentrations were measured in serum. Associations were studied over tertiles of vitamin B-12 intake using P for trend, by calculating prevalence ratios (PRs), and splines. Whereas men had significantly higher vitamin B-12 intakes than women (median (25th–75th percentile): 4.18 (3.29–5.38) versus 3.47 (2.64–4.40) μg/day), serum vitamin B-12 did not differ between the two sexes (mean ± standard deviation (SD): 275 ± 104 pmol/L versus 290 ± 113 pmol/L). Higher intakes of dairy, meat, and fish and shellfish were significantly associated with higher serum vitamin B-12 concentrations, where meat and dairy—predominantly milk were the most potent sources. Egg intake did not significantly contribute to higher serum vitamin B-12 concentrations. Thus, dairy and meat were the most important contributors to serum vitamin B-12, followed by fish and shellfish.     

One Egg per Day Improves Inflammation when Compared to an Oatmeal-Based Breakfast without Increasing Other Cardiometabolic Risk Factors in Diabetic Patients

There is concern that egg intake may increase blood glucose in patients with type 2 diabetes mellitus (T2DM). However, we have previously shown that eggs reduce inflammation in patients at risk for T2DM, including obese subjects and those with metabolic syndrome. Thus, we hypothesized that egg intake would not alter plasma glucose in T2DM patients when compared to oatmeal intake. Our primary endpoints for this clinical intervention were plasma glucose and the inflammatory markers tumor necrosis factor (TNF)-α and interleukin 6 (IL-6). As secondary endpoints, we evaluated additional parameters of glucose metabolism, dyslipidemias, oxidative stress and inflammation. Twenty-nine subjects, 35–65 years with glycosylated hemoglobin (HbA1c) values <9% were recruited and randomly allocated to consume isocaloric breakfasts containing either one egg/day or 40 g of oatmeal with 472 mL of lactose-free milk/day for five weeks. Following a three-week washout period, subjects were assigned to the alternate breakfast. At the end of each period, we measured all primary and secondary endpoints. Subjects completed four-day dietary recalls and one exercise questionnaire for each breakfast period. There were no significant differences in plasma glucose, our primary endpoint, plasma lipids, lipoprotein size or subfraction concentrations, insulin, HbA1c, apolipoprotein B, oxidized LDL or C-reactive protein. However, after adjusting for gender, age and body mass index, aspartate amino-transferase (AST) (p < 0.05) and tumor necrosis factor (TNF)-α (p < 0.01), one of our primary endpoints were significantly reduced during the egg period. These results suggest that compared to an oatmeal-based breakfast, eggs do not have any detrimental effects on lipoprotein or glucose metabolism in T2DM. In contrast, eggs reduce AST and TNF-α in this population characterized by chronic low-grade inflammation.     

江西农村社区蛔虫感染动态一年纵向研究

目的 :了解未加控制措施干预下农村社区蛔虫感染与传播动态。方法 :由 6次横断面调查组成的一年纵向研究。结果 :当地人群感染率常年稳定在 60 %以上 ,但年内社区感染率与感染度 ( EPG)有显著性波动。年龄分层分析进一步表明 ,感染的波动仅在部分儿童具显著性 ,而在几乎所有成人组波动不具显著性。蛔虫在土壤内的发育率变化与年内月平均温度的变化相一致。结论 :该地蛔虫感染呈相对稳定的地方性传播但存在明显季节波动 ,此种波动与季节对土壤中虫卵发育的影响有关 ,儿童是构成社区蛔虫感染波动的主要人群。