Activity

  • Dodson Sharp posted an update 1 week ago

    This case study evaluates the effects of a 4.7 mg deslorelin acetate implant on one male olive baboon (Papio anubis). Implantation induces transient azoospermia after which the subject was able to conceive again. Behavior was also impacted with a decrease in our proxies of aggressiveness and sexual arousal.Cutaneous manifestations are becoming increasingly well-documented in adults with COVID-19. There is now also a growing body of literature regarding skin involvement in children, with reports of papulovesicular, petechial and widespread macular and papular lesions, as well as chilblains (pernio). We describe the case of a thirteen-year-old boy with confirmed COVID-19 in the United Kingdom who presented with skin findings localized to the plantar aspects of the feet, axillae and lower limbs. The morphology was predominantly maculopapular but also included petechiae and annular lesions.Background 1The effect of diet on allergic rhinitis (AR), its severity in children, and whether it modifies AR depending on genetic susceptibility are unknown. We investigated the association between dietary patterns and AR in schoolchildren and the influence of diet on AR according to a genetic risk score (GRS). Methods Totally, 435 7-year-old schoolchildren were recruited from the Panel Study on Korean Children. We used dietary patterns (vegetable, sugar, and meat) and dietary inflammatory index (DII) as dietary parameters. AR and its severity were defined by questionnaires about treatment in the previous 12 months and the ARIA guideline, respectively. A GRS was calculated using 6 single nucleotide polymorphisms for allergic diseases. Results A vegetable diet containing a lot of anti-inflammatory nutrients and higher vitamin D level in blood was negatively correlated while DII was positively correlated with triglyceride level and triglyceride/HDL-cholesterol. Vegetable diet (aOR, 95% CI = 0.73, 0.58-0.94) and DII (1.13, 1.01-1.28) were associated with AR risk. In particular a high vegetable diet resulted in a lower risk of mild and persistent AR (aOR, 95% CI = 0.24, 0.10-0.56) while a high DII represented a higher risk (2.33, 1.06-5.10). The protective effect of vegetable diet on AR appeared only among children with a lower GRS (adjusted p = 0.018). Conclusions A vegetable dietary pattern characterized by high intake of anti-inflammatory nutrients and higher vitamin D level in blood might be associated with a lower risk of mild and persistent AR. This beneficial effect is modified by a genetic factor.Aim To describe outcome linked to neonatal cholestasis in a defined cohort of very preterm infants. Methods Population-based retrospective case-control study of preterm infants, gestational age less then 30 weeks, surviving for 28 days, in Stockholm County. Cholestasis was defined as conjugated bilirubin ≥30 μmol/L exceeding 20% of total level at least twice and graded as high if exceeding 100 μmol/L. Cholestatic cases were matched on gestational week with two non-cholestatic controls. Results The incidence rate of cholestasis was 37/250 (14.8%), with increasing rates in lower gestational weeks. Perinatal factors associated with cholestasis were pre-eclampsia and being born small for gestational age. Cholestatic infants had three times more bronchopulmonary dysplasia and eight times more retinopathy of prematurity. The mortality was 13.5% in cholestatic infants versus 2.7% in controls (P = .040). All deceased cholestatic infants had high-grade cholestasis. No surviving infants developed chronic liver disease by 10 years of age. Conclusion Cholestasis was common in very preterm infants and linked to disease severity and adverse outcome. Cholestasis may be an independent risk factor for bronchopulmonary dysplasia and retinopathy of prematurity and more severe cholestasis associated with increased mortality. Cholestasis was not associated with chronic liver disease later in childhood.The electrokinetic flow and accompanied electric conduction of a salt-free solution in the axial direction of a charged circular capillary are analyzed. No assumptions are made about the surface charge density (or surface potential) and electrokinetic radius of the capillary, which are interrelated. The Poisson-Boltzmann equation and modified Navier-Stokes equation are solved for the electrostatic potential distribution and fluid velocity profile, respectively. Closed-form formulas for the electroosmotic mobility and electric conductivity in the capillary are derived in terms of the surface charge density. The relative surface potential, electroosmotic mobility, and electric conductivity are monotonic increasing functions of the surface charge density and electrokinetic radius. However, the rises of the relative surface potential and electroosmotic mobility with an increase in the surface charge density are suppressed substantially when it is high due to the effect of counterion condensation. The analytical prediction that the electroosmotic mobility grows with increases in the surface charge density and electrokinetic radius agrees with the experimental results for salt-free solutions in circular microchannels in the literature.A few advancing technologies for natural product analysis have been widely proposed, which focus on decreasing energy consumption and developing an environmentally sustainable manner. These green sample pretreatment and analysis methods following the green Analytical Chemistry (GAC) criteria have the advantage of improving the strategy of chemical analyses, promoting sustainable development to analytical laboratories, and reducing the negative effects of analysis experiments on the environment. A few minimized extraction methodologies have been proposed for replacing the traditional methods in the quality evaluation of natural products, mainly including solid-phase microextraction (SPME) and liquid phase microextraction (LPME). These procedures not only have no need for large numbers of samples and toxic reagent, but also spend a small amount of extraction and analytical time. This overview aims to list out the main green strategies on the application of quality evaluation and control for natural products in the past 3 years.A 13-year-old spayed female American Cocker Spaniel was presented for evaluation of a cough and weight loss. Physical exam revealed generalized lymphadenopathy. The patient was diagnosed with marginal zone lymphoma (MZL) on histopathology of an extirpated lymph node. This report demonstrates an unusual case of a pleomorphic neoplastic population documented on cytologic evaluation that had moncytoid features and peripheral blood involvement; a previously undocumented IgG1 monoclonal gammopathy was also an interesting feature of this canine MZL. The patient did not undergo chemotherapy for lymphoma and was euthanized over 4 years after the initial presentation.Background Anti-tachycardia pacing (ATP) delivered from an implantable device is an important tool to terminate ventricular tachycardia (VT). But its real-world efficacy for fast VT has not been fully studied. Methods Using the database of Nippon-storm study, effect of patient-by-patient basis ATP programming for fast VT (≥ 188 bpm) was assessed for the patients with structural heart diseases. Fast VTs were divided into three groups depending on HR; Group-A was 188-209 bpm, and Group-B and Group-C were 210-239 bpm and ≥ 240 bpm, respectively. Results During a median follow-up of 28 months, 202 fast VT episodes (209±19 bpm) were demonstrated in the 85 patients. ATP terminated 151 of the 202 episodes (74.8%) in total. The success rate of the ATP was not different among the three groups; 73.3% in Group-A, 80.6% in Group-B and 66.7% in Group-C. ATP success rate of more than 50% and more than 70% was 77.6% and 64.7% of the patients, respectively. LVEF was significantly higher in the patients with rather than without successful ATP therapy, and ROC analysis revealed that LVEF of 23% was the optimal cut-off value. ATP was less effective in patients taking amiodarone, but etiology of the structural heart diseases, indication of the device implantation and all ECG parameters were not useful predictors for successful ATP therapy. Conclusions ATP highly terminated fast VT with wide HR-ranges in patients with structural heart diseases, and should be considered as the first line therapy for fast VT except for patients with very low LVEF. This article is protected by copyright. All rights reserved.There is a general perception that any exposure to medication during pregnancy poses a potential risk to the fetus. Most available data about teratogenic drugs is derived from animal studies, case reports or cohort studies. As a result counselling women and their partners about the safety of drugs during pregnancy can be difficult due to limited information about efficacy, pharmacokinetics and teratogenicity of some drugs. However, this should always be done in the context of weighing up potential teratogenic risks with the perinatal risks of an untreated medical or psychiatric condition. Ideally this counselling should occur prior to a planned pregnancy so that medications and treatment of chronic medical conditions can be optimized. It is important that clinicians providing antenatal care are able to confidently manage women including utilizing appropriate resources. This paper aims at reviewing a selected (non-exhaustive) list of the most commonly prescribed medications considered to be significant human teratogens and provides recommendations for pre-conception and antenatal counselling. This article is protected by copyright. All rights reserved.Background Alcohol use disorders (AUDs) and cigarette smoking both increase risk for the development of community-acquired pneumonia (CAP), likely through adverse effects on proximal airway mucociliary clearance and pathogen recognition. Abexinostat in vitro Smoking-related alterations on airway gene expression are well described, but little is known about the impact of AUDs. We measured gene expression in human airway epithelial cells (AECs), hypothesizing that AUDs would be associated with novel differences in gene expression that could alter risk for CAP. Methods Bronchoscopy with airway brushings was performed in participants with AUDs and controls to obtain AECs. An AUD Identification Test was used to define AUD. RNA was extracted from AECs, and mRNA expression data were collected on an Agilent micro-array. Differential expression analyses were performed on the filtered and normalized data with correction for multiple testing. Enrichment analyses were performed using clusterProfiler. Results Expression data from 19 control and 18 AUD participants were evaluated. After adjustment for smoking, AUDs were associated with significant differential expression of 520 AEC genes, including genes for ribosomal proteins and genes involved in protein folding. Enrichment analyses indicated significant differential expression of 24 pathways in AUDs, including those implicated in protein targeting to membrane and viral gene expression. Smoking-associated AEC gene expression differences mirrored previous reports, but differed from those associated with AUDs. Conclusions AUDs have a distinct impact on AEC gene expression that may influence proximal airway function independent of smoking. Alcohol-associated alterations may influence risk for CAP through modifying key mechanisms important in protecting proximal airway integrity.