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A case of acute hepatic injury caused by a ruptured aneurysm of the sinus of Valsalva
Lianxing Zhao
Zhenzhen Han

Lianxing Zhao

and 2 more

June 12, 2021
Abstract Sinus of Valsalva aneurysm (SVA) is a life-threatening condition that should be intervention as an emergency. Unruptured SVA is usually asymptomatic, ruptured SVA (RSVA) presented diversity especially as cardiovascular problems. This case report describes a patient with acute hepatic injury caused by RSVA. RSVA caused elevated central venous pressure and decreased portal venous inflow. The purpose of this report is to illustrate the influence of RSVA on liver.
Out of Asia? Vector switches leading to the expansion of Eurasian Lyme disease bacter...
Robert Rollins
Kozue Sato

Robert Rollins

and 10 more

June 12, 2021
Vector-borne pathogens exist in obligate transmission cycles between vector and reservoir host species. Host shifts can lead to geographic expansion and the emergence of new diseases. Three etiological agents of human Lyme borreliosis (Borrelia afzelii, Borrelia bavariensis, and Borrelia garinii) predominantly utilize two distinct tick species as vectors in Asia (Ixodes persulcatus) and Europe (Ixodes ricinus) but how and in which order they colonized each continent remains unknown. Here, by reconstructing the evolutionary history of 142 Eurasian isolates, we show that all three Borrelia genospecies evolved from an Asian origin, suggesting that successful expansion into Europe resulted through invading a novel vector. The pattern of gene flow between continents is different between genospecies and most likely conditioned by reservoir host association and their dispersal. Our results highlight that Eurasian Lyme borreliosis agents are all capable of geographic expansion through vector shifts, but potentially differ in their capacity as emergent pathogens.
Inflammation but not Glycemic Control is Associated with Neurocognitive Decline After...
Laura Scrimgeour
Ian Ikeda

Laura Scrimgeour

and 8 more

June 12, 2021
Background: Whether perioperative glycemic control or markers of inflammation is associated with neurocognitive decline (NCD) after cardiac surgery was examined. Methods: Thirty patients undergoing cardiac surgery utilizing cardiopulmonary bypass (CPB) were screened for NCD preoperatively and on post-operative day four (POD4). Serum cytokine levels were measured and human transcriptome analysis was performed on blood samples. Neurocognitive data are presented as a change from baseline to POD4 in a score standardized with respect to age and gender. Results: A decline in neurocognitive function was identified in 73% (22/30) of patients on POD4. Patients with postoperative leukocytosis (WBC ≥ 10.5) had more NCD when compared to their baseline function (p=0.03). Patients with elevated IL-8 levels at 6 hours postoperatively had a significant decline in NCD at POD4 (p=0.04). Surprisingly, TNF-α, IL-1β, IL-2, or IL-6 levels were not associated with NCD (p>0.3 for all). There was no difference in neurocognitive function between patients with elevated HbA1c levels preoperatively (p=0.973) or elevated fasting blood glucose levels the morning of surgery (>126mg/dL, p=0.910), or a higher maximum blood glucose levels during CPB (>180mg/dL, p=0.252), or higher average glucose levels during CPB (>160mg/dL, p=0.639). Human transcriptome analysis demonstrated unique and differential patterns of gene expression in patients depending on the presence of DM and NCD. Conclusions: Perioperative glycemic control does not have an effect on NCD soon after cardiac surgery. Postoperative leukocytosis and elevated IL-8 levels are associated with neurocognitive decline. The profile of gene expression was altered in patients with NCD with or without diabetes.
Combining mercapto-functionalized palygorskite with zinc affect cadmium phytoavailabi...
Yulong Li
Chao Gao

Yulong Li

and 6 more

June 12, 2021
Cadmium (Cd) pollution in soil pose a grave threat to human health. Combining various approaches to reduce Cd accumulation in crops is an active area of research to remediate farmlands with medium-high levels of Cd contamination. The Mercapto-functionalized palygorskite (PGS-SH) and zinc (Zn) application alone or in combination was investigated to explore reduction of Cd uptake in B. chinensis L and transformation of Cd in soil. The sole application of Zn or PGS-SH increased the biomass of B. chinensis L. and decreased the concentration of Cd in plants, but more improvements were observed from the combined application of Zn and PGS-SH. Low concentration of exogenous Zn (50 mg/kg) significantly increased the soil respiration rate (SRR) and the soil dehydrogenase activity (sDHA), while promoted B. chinensis L. growth while inhibiting Cd uptake. However, excessive exogenous Zn (≥ 200 mg/kg) significantly inhibited B. chinensis L. growth and soil microbial activity. The combined application of PGS-SH and Zn had the highest sDHA (145.59%) and lowest transport factor (TF) (27.59%) compared with the CK. The combination of PGS-SH and Zn fertilizer is a safe and effective means for remediating Cd-contaminated soil and restoring microbial activity.
The effect of the brood and the queen on early gene expression in  bumble bee workers...
Priscila Santos
Jesse Starkey

Priscila Santos

and 2 more

February 05, 2022
Worker reproduction in social insects is often regulated by the queen, but can be regulated by the brood and nestmates, who may use different mechanisms to induce the same outcomes in subordinates. Analysis of brain gene expression patterns in bumble bee workers (Bombus impatiens) in response to the presence of the queen, the brood, both or neither, identified 18 differentially expressed genes, 17 of them are regulated by the queen and none are regulated by the brood. Overall, brain gene expression differences in workers were driven by the queen’s presence, despite recent studies showing that brood reduces worker egg laying and provides context to the queen pheromones. The queen affected important regulators of reproduction and brood care across insects, such as neuroparsin and vitellogenin, and a comparison with similar datasets in the honey bee and the clonal raider ant revealed that neuroparsin is differentially expressed in all species. These data emphasize the prominent role of the queen in regulating worker physiology and behavior. Genes that serve as key regulators of workers’ reproduction are likely to play an important role in the evolution of sociality.
Ulcer in a dialysis patient: calciphylaxis or something simpler
Amr Mohamed
Salem Thabet

Amr Mohamed

and 1 more

June 12, 2021
In our everyday practice, we see ulcers in dialysis patients; we usually think blindly about calciphylaxis. Sometimes even we start patients on empiric treatment based on that assumption, but let us assume that something simpler may be going on, as seen in this case.
Increasing root penetration into a different environment is more important than impro...
Xue Gong
Julian Taylor

Xue Gong

and 2 more

June 12, 2021
Deep rooting is often thought as a promising phenotype for resource extraction, but on soils with constraints, desired rooting depth was rarely observed. We hypothesised that if the genetic effect on root growth and rooting depth were separated from other effects, the determinants of root growth and rooting depth could be quantified. The conventional core-breaking method was used to measure root growth of wheat at two sites in two successive years under rain fed conditions. The Bayesian hierarchical nonlinear mixed models (HNLMMs) were employed to estimate root distribution, heritability and rooting depth. We found that root penetration from the non-sodic top to the sodic subsoil was most critical in determining rooting depth. Our study indicates that focusing on root-soil interaction at the transition layer where soil constraints start to emerge would lead to a more effective solution to develop resilient roots. Our work not only serves as a guide for selecting genotypes in pot trials, but also provides a theoretical support to breed advance crops with better soil adaptation.
Root traits for low input agroecosystems in Africa
Mame Sokhatil Ndoye
Jimmy Burridge

Mame Sokhatil Ndoye

and 4 more

June 12, 2021
In Africa, agriculture is largely based on low-input and small-holder farming systems that use little inorganic fertilizers and have limited access to irrigation and mechanization in comparison to modern agricultural systems. Improving agricultural practices and developing new cultivars adapted to these low-input environments, where production already suffers from climate change, is a major priority for ensuring food security in the future. Root phenes improving water and nutrient uptake could represent a solution toward achieving these goals. In this review, we illustrate how breeding for specific root phenes could improve crop adaptation and resilience in Africa using three case studies covering very contrasted low-input agro-ecosystems. We conclude with a discussion on how these phenes could be validated and made available to breeders and agronomists.
An unusual presentation of Sweet syndrome in a patient with ulcerative colitis treate...
Yung-Chun Chang
 Hui-Ju Yang

Yung-Chun Chang

and 1 more

June 12, 2021
Tumor necrosis factor (TNF) alpha inhibitors are widely used to treat inflammatory bowel disease (IBD) and Sweet syndrome is known as an extra-intestinal cutaneous manifestation of IBD. We wish to highlight a paradoxical case and successful management of anti-TNF-agent-induced Sweet syndrome compared with Sweet syndrome treated by anti-TNF agents.
Immediate Implant Placement in Anterior Extraction Sockets using a Synthetic Putty a...
Maarten Boogaard

Maarten Boogaard

November 22, 2021
Maarten J. Boogaard DMD¹¹Private Practice: Churchill-laan 162hs, 1078 ER, Amsterdam, The Netherlands
Estimates of Mean-Type Fractional Inequalities For Differentiable Functions
Muhammad Samraiz
Zahida  Perveen

Muhammad Samraiz

and 4 more

June 12, 2021
In this article, we established a wide range of fractional mean-type integral inequalities for notable Hilfer fractional derivative using twice differentiable convex and $s$-convex functions for $s\in(0,1]$ with related identities. Also the results for Caputo fractional derivatives are derived as a special case of our general results.
Global existence and finite time blow-up for the heat flow of H-system with constant...
Fei Fang
Yannan Liu

Fei Fang

and 1 more

June 12, 2021
In this paper, we use the modified potential well method to study the long time behaviors of solutions to the heat flow of H-system in a bounded smooth domain of $R^2$. Global existence and finite time blowup of solutions are proved when the initial energy is in three cases. When the initial energy is low or critical, we not only give a threshold result for the global existence and blowup of solutions, but also obtain the decay rate of the $L^2$ norm for global solutions. When the initial energy is high, sufficient conditions for the global existence and blowup of solutions are also provided. We extend the recent results which were obtained in \cite{r4}.
Unruptured ectopic pregnancy with alive fetus
Mojgan Akbarzadeh-Jahromi
Sahand Mohammadzadeh

Mojgan Akbarzadeh-Jahromi

and 2 more

June 12, 2021
A woman aged 41, referred with spotting, abdominal and cervical motion tenderness and adnexal mass. βHCG was positive and ultrasonography confirmed tubal pregnancy with an alive fetus. Pathology showed intact dilated fallopian tube with a fetus of 10 weeks.Advanced tubal pregnancy is uncommon and never lead to alive fetus.
Light chain systemic amyloidosis manifested as liver failure complicated with fatal s...
Li Duo
Zhao Yingren

Li Duo

and 2 more

June 12, 2021
Light chain systemic amyloidosis has low clinical incidence rate and poor prognosis. Relevant diagnosis depends on the biopsy results, and many patients were not confirmed until autopsy. Once amyloidosis is suspected, it is necessary to communicate with their families on the risks for treatment methods and prognosis.
A review on the emerging use of targeted therapy by Nanoparticles and Nano medicine
Dr. Noor Ul Ain

Dr. Noor Ul Ain

and 2 more

June 11, 2021
There are number of innovations have been made in the field of medicine to give the ill patient the best of the treatment. As such the use of nanoparticles has also become an increasing demand because of their remarkable actions on the edge of targeted drug therapy. There are number of disorders that must be treated by the way as a specific treatment for the diseases like cancer in which the main purpose of the formation of these particles is to protect the healthy cells from the harmful effects of the drugs. And this could be only possible by making the drugs as specific in their action so these can only target the cells of interest as the abnormal one. Nano medicines are small particles which when given to the patient cause san improvement in the abnormality by better absorption and better distribution to the cells like abnormal one. So it is need of hour to make such drugs which have remarkable effects on the diseased part of body.
A blueprint for prioritizing preventable stillbirths in low-middle income settings
Blair Wylie
Indira Ranaweera

Blair Wylie

and 1 more

June 11, 2021
A document by Blair Wylie. Click on the document to view its contents.
Inferring the timing and strength of natural selection and gene migration in the evol...
Wenyang Lyu
Xiaoyang Dai

Wenyang Lyu

and 4 more

June 11, 2021
With the rapid growth of the number of sequenced ancient genomes, there has been increasing interest in using this new information to study past and present adaptation. Such an additional temporal component has the promise of providing improved power for the estimation of natural selection. Over the last decade, statistical approaches for detection and quantification of natural selection from ancient DNA (aDNA) data have been developed. However, most of the existing methods do not allow us to estimate the timing of natural selection along with its strength, which is key to understanding the evolution and persistence of organismal diversity. Additionally, most methods ignore the fact that natural populations are almost always structured, which can result in overestimation of the effect of natural selection. To address these issues, we propose a novel Bayesian framework for the inference of natural selection and gene migration from aDNA data with Markov chain Monte Carlo techniques, co-estimating both timing and strength of natural selection and gene migration. Such an advance enables us to infer drivers of natural selection and gene migration by correlating genetic evolution with potential causes such as the changes in the ecological context in which an organism has evolved. The performance of our procedure is evaluated through extensive simulations, with its utility shown with an application to ancient chicken samples.
Accept. Understand. Then play! The impact of sport and physical activity in autism sp...
Vincenzo Sorgente

Vincenzo Sorgente

and 3 more

June 14, 2021
Participating in sports and physical activity has physical, psychological, cognitive and social benefits for everyone, including young people with autism spectrum disorder (ASD). The practice environment and instructorship are significant inclusion factors for young people with ASD. A safe, attractive and easy-to-access environment has a positive impact on the practice of physical activity for all disabilities, ASD included. Nonetheless, the teachers and coaches are not always informed of the condition of the young people for which they are responsible and they may not have been trained to adapt their coaching to the reality of these young people. They may not have the knowledge, openness or resources to properly integrate a person with ASD in their group. Hence, it is relevant to give them tools so they can intervene more adequately with people living with ASD.
Accuracy and Diagnostic Performance of Doppler Echocardiography to Estimate Mean Pulm...
Alva Bjorkman
Lars H. Lund

Alva Bjorkman

and 4 more

June 11, 2021
BACKGROUND. Multiple Doppler Echocardiography (DE) algorithms have been proposed to estimate mean pulmonary artery pressure (PAPM) and assess pulmonary hypertension (PH) likelihood. We assessed the accuracy of 4 different DE approaches to estimate PAPM in patients with heart failure (HF) undergoing near-simultaneous right heart catheterization (RHC), and compared their diagnostic performance to identify PH with recommendation-advised tricuspid regurgitation peak velocity (TRVmax). METHODS. PAPM was retrospectively assessed in 112 HF patients employing 4 previously validated DE algorithms. Association and agreement with invasive PAPM were assessed. Diagnostic performance of DE methods vs. TRVmax=2.8m/sec to identify invasive PAPM ≥ 25mmHg were compared. RESULTS. All DE algorithms demonstrated reasonable association (r = 0.41 to 0.65; p<0.001) and good agreement with invasive PAPM, with relatively lower mean bias and higher precision observed in algorithms that included TRVmax or velocity time integral. All methods demonstrated strong ability (AUC=0.70-0.80; p<0.001) to identify PH but did not outperform TRVmax (AUC=0.84; p<0.001). Echocardiographic estimates of right atrial pressure were considered in 3 of 4 DE algorithms and falsely elevated in as many as 30% of patients. CONCLUSIONS. Echocardiographic estimates of PAPM demonstrate reasonable accuracy to represent invasive PAPM and strong ability to identify PH in HF. However, even the best performing algorithm did not outperform recommendation-advised TRVmax. The additional value of echocardiographic estimates of right atrial pressure may need to be re-evaluated.
Species-environment relationships of fish and map-based variables in small boreal str...
Tapio Sutela
Teppo Vehanen

Tapio Sutela

and 3 more

June 11, 2021
Species-environment relationships were studied between the occurrence of 13 fish and lamprey species and 9 mainly map-based environmental variables of Finnish boreal small streams. A self-organizing map (SOM) analysis showed strong relationships between the fish species and environmental variables in a single model (explained variance 55.9%). Besides basic environmental variables such as altitude, catchment size, and mean temperature, landcover variables were also explored. A logistic regression analysis indicated that the occurrence probability of brown trout, Salmo trutta L., decreased with an increasing percentage of peatland ditch drainage in the upper catchment. Ninespine stickleback, Pungitius pungitius (L.), and three-spined stickleback, Gasterosteus aculeatus L., seemed to benefit from urban areas in the upper catchment. Discovered relationships between fish species occurrence and land-use attributes are encouraging for the development of fish-based bioassessment for small streams. The presented ordination of the fish species in the mean temperature gradient will help in predicting fish community responses to climate change.
Computational insights into the Multi-Diels-Alder reactions of neutral C60 and its Li...
Tamalika Ash
Soumadip Banerjee

Tamalika Ash

and 3 more

June 11, 2021
Diels-Alder cycloaddition reaction is helpful to produce covalent derivatives of fullerene with desirable electronic and physical properties. In the present venture, we have computationally investigated the reactivity of neutral C60 and its Li+ encapsulated derivative towards Multi-Diels-Alder (MDA) reaction with 1,3-butadiene, employing density functional theory (DFT). The computational reports available to date illustrate the functionalization of fullerene surfaces of neutral and encapsulated C60 (Ca and Sm) with two butadiene molecules. In this article, we aim to investigate whether more than two butadiene molecules can be attached to the fullerene surface or not. To do so, we have shown that the MDA reaction initiates with the formation of an encounter complex between the mono-functionalized fullerene product and the second butadiene molecule. In this context, two different approaches, namely ‘Direct’ and ‘Alternative’ have been considered based on the attachment of the second butadiene, i.e., whether it is attached to the opposite or adjacent position of the first functionalization, which eventually produces the same final product. We have explored the MDA reactions by considering a total of four diene molecules that can be embedded successfully on the fullerene surface, with each reaction step having a high degree of exothermicity, thus making the overall reaction thermodynamically facile. In harmony with the mono- and bis-cycloaddition reactions, for MDA reaction also, the positive impact of Li+ encapsulation for enhancing the reactivity of fullerene surface towards butadiene attachment is evident from our study. On-the-fly calculations also suggest the bond preference for [6, 6] connectivity than its [6, 5] counterpart, to be the suitable dienophile, just like the mono- and bis-functionalization reported earlier. Overall, the present study will foresee an extensive idea about the detailed mechanism of the MDA reaction on neutral C60 and Li+@C60 that could encourage the scientists to perform the aforementioned reaction for other fullerene derivatives in the long run.
Guest editorial -- Policies and practices in action to address soil erosion
Clara Lefevre
Megan Balks

Clara Lefevre

and 3 more

June 11, 2021
This special issue is the second published after the Global Symposium on Soil Erosion (GSER, 15-17 May 2019, Rome, Italy) and includes contributions dealing with the 2nd theme of the GSER: Policies and practices in action to address soil erosion. While there is a good scientific understanding of the physical measures that can be used to prevent or mitigate soil erosion, the main constraints to progress often relate to policy development and or implementation as well as socio-economic aspects that provide limitations to implementation of sustainable soil management (SSM) practices including those directed to control erosion. There are no right or wrong answers to which policy or approach is most effective. Some combination of approaches needs to be adopted that work in the particular political, cultural, and socio-economic environment under consideration. The papers included in this special issue provide examples, from the national to local level, that could be adapted, or used, to improve uptake and implementation of SSM practices to prevent or reduce soil erosion. Regardless of what policy or plan is developed there has to be effective interaction with the local farmers and land managers as they are key to implementing any actions that will make a practical difference on the ground. Effective policies cannot be developed or implemented without bringing the land managers “on board” and the needs and limitations of the local farmers must be thoroughly understood and considered in any policy or plan development.
Efficacy of Brucella abortus S19 and RB51 vaccine strains: a systematic review and me...
Elaine Dorneles
Marina Martins de Oliveira

Elaine Dorneles

and 5 more

June 11, 2021
This systematic review and meta-analysis aimed to recalculate the efficacy of these two vaccine strains, and to discuss the main variables associated with controlled trials to evaluate bovine brucellosis vaccines efficacy. The most used vaccine strain was S19, at the dose of 10 10 colony forming units (CFU), followed by the vaccine strain RB51 at 10 10 CFU. The most used challenge strain was B. abortus 2308, at the dose of 10 7 CFU by intraconjunctival route. For the meta-analysis, trials were grouped according to the vaccine strain and dose to recalculate protection against abortion (four groups) or infection (five groups), using pooled risk ratio (RR) and vaccine efficacy (VE). For protection against abortion (n = 15 trials), S19 vaccine at 10 9 CFU exhibited the highest protection rate (RR = 0.25, 95% CI: 0.12 to 0.52; VE = 75.09%, 95% CI: 48.08 – 88.05), followed by RB51 10 10 (RR = 0.31, 95% CI: 0.16 to 0.61; VE = 69.25%, 95% CI: 39.48 – 84.38). For protection against infection (n = 23 trials), only two subgroups exhibited significant protection: S19 at 10 9 CFU (RR = 0.28, 95% CI: 0.14 to 0.55; VE = 72.03%, 95% CI: 57.70 – 81.50) and RB51 at 10 10 CFU dose (RR = 0.43, 95% CI: 0.22 to 0.84; VE = 57.05%, 95% CI: 30.90 – 73.30). In conclusion, our results suggest that the dose of 10 9 CFU for S19 and 10 10 CFU for RB51 are the most suitable for the prevention of abortion and infection caused by B. abortus.
Chromosome-level genome assembly reveals genomic architecture of northern range expan...
Christopher Keeling
Erin Campbell

Christopher I. Keeling

and 7 more

June 11, 2021
Genome sequencing methods and assembly tools have improved dramatically since the 2013 publication of draft genome assemblies for the mountain pine beetle, Dendroctonus ponderosae Hopkins (Coleoptera: Curculionidae). We conducted proximity ligation library sequencing and scaffolding to improve contiguity, and then used linkage mapping and recent bioinformatic tools for correction and further improvement. The new assemblies have dramatically improved contiguity and gaps compared to the originals: N50 values increased 26- to 36-fold, and the number of gaps were reduced by half. Ninety percent of the content of the assemblies is now contained in 12 and 11 scaffolds for the female and male assemblies, respectively. Based on linkage mapping information, the 12 largest scaffolds in both assemblies represent all 11 autosomal chromosomes and the neo-X chromosome. These assemblies now have nearly chromosome-sized scaffolds and will be instrumental for studying genomic architecture, chromosome evolution, population genomics, functional genomics, and adaptation in this and other pest insects. We also identified regions in two chromosomes, including the ancestral-X portion of the neo-X chromosome, with elevated differentiation between northern and southern Canadian populations.
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