Background: Ipratropium, an anticholinergic medication, holds a significant position in the management of various respiratory disorders. Primarily utilized in the pharmacotherapy of chronic obstructive lung disease and to relieve the symptoms of bronchospasm by acting on the muscarinic receptors of the bronchial smooth muscle by inhibiting the same receptors. This case report aims to highlight the ipratropium-induced bronchospasm in a patient of Chronic Obstructive Pulmonary Disease (COPD). Case Presentation: We present a compelling case of severe bronchospasm occurring in a 65-year-old Indian man following the inhalation of a combination of ipratropium bromide and budesonide. This distressing event was accompanied by a precipitous decline in oxygen saturation, plummeting to as low as 40%. Urgent resuscitation measures were imperative, leading to intubation and ventilatory support to restore the patient to a stable state. Following the initial resuscitation, the patient was transferred to the intensive care unit for further management. Disturbingly, another exacerbation of symptoms ensued during ventilator support subsequent to nebulization with combination of ipratropium and levosalbutamol. Encouragingly, the patient’s condition ameliorated upon discontinuation of the nebulization. Conclusion: This case report illuminates the concerning potential for ipratropium-induced bronchospasm in COPD patients. As we navigate these complexities, the pursuit of safer alternatives like tiotropium takes center stage, reminding us of the continuous evolution in optimizing respiratory therapies. These findings emphasize the significance of vigilant monitoring and tailored interventions in clinical practice.

In this paper, we propose a new light field (LF) reconstruction network that increases LF angular resolution. The proposed method consists of two parts that extracts the initial feature map and refines the extracted initial feature map. In order to efficiently extract features from input images, we rearrange the input images into a macro-pixel image using pixel shuffle and then extract the initial feature map using successive convolution layers. The refinement network continuously extracts inherent correlation information using a dense back-projection structure. Finally, we are able to stably train the network and reconstruct high-quality LF images by connecting the initial feature map and the output of the refinement network with long skip connection. Simulation results show that the proposed network outperforms other existing methods in terms of execution time and reconstructed LF image quality.

This investigation seeks to illuminate the intricate causal network linking lipidomes, immunocyte phenotypes, sepsis occurrence, and the ensuing 28-day mortality. By deploying Mendelian randomization, we systematically scrutinized the causal roles of 179 lipid species and 731 immune cell phenotypes in sepsis incidence and related mortality risk using the largest genome-wide association datasets accessible. Our analyses unveiled subtle causal connections implicating 9 specific lipid species and 37 immune traits in sepsis etiology, alongside 15 lipids and 47 immune profiles demonstrating suggestive causal impacts on 28-day mortality, all devoid of heterogeneity, horizontal pleiotropy, or reverse causality signals. Following rigorous Bonferroni correction, triacylglycerol (50:3) (Odds Ratio [OR] = 0.90, 95% Confidence Interval [CI], 0.86-0.96, P = 7.4E-05) and CD66b++ myeloid cell (OR = 0.94, 95% CI, 0.92-0.97, P = 2.5E-04) retained statistical significance in association with the occurrence of sepsis. Moreover, the heightened CD45 on CD14+ monocyte (OR= 1.22, 95% CI: 1.10-1.34, P= 8.3E-05) and reduced BAFF-R on IgD- CD38+ B cell (OR= 0.79, 95% CI: 0.70-0.89, P= 1.6E-04) persisted as significant predictors of 28-day mortality in sepsis. Of particular note, we uncovered that activated and resting CD4 regulatory T cell absolute count mediated 5.2% of the effect of triacylglycerol (50:3) on sepsis onset risk, and BAFF-R expression on IgD- CD38+ B cells mediated 14.9% of the impact of phosphatidylcholine (16:0_22:5) on sepsis-linked 28-day mortality risk. These genetic insights illuminate a pivotal causal axis uniting lipid metabolism, immune functionality, and sepsis outcomes, offering a fresh molecular lens into sepsis pathobiology and pinpointing potential therapeutic avenues to reduce the onset and mortality linked to this condition.

Ecologically-relevant factors such as exercise and diet quality can directly influence how multifaceted physiological systems work; however, little is known about how such factors directly and interactively affect key components of the antioxidant system in multiple tissues of migratory songbirds. We tested 3 main hypotheses across three tissues in European Starlings fed diets with more or less antioxidants (anthocyanins) and long-chain polyunsaturated fats (18:2n6) while being flight-trained in a wind tunnel. Stimulatory effect of flight: Flight-training stimulated the antioxidant system in that a) plasma oxidative damage was reduced during a given acute flight, and b) antioxidant capacity and oxidative damage in plasma and tissues of flight-trained birds were similar to that of untrained birds. Flight-trained birds that expended more energy per unit time (kJ/min) during their longest, final flight decreased the non-enzymatic component of their antioxidant system the most during the final flight. Dietary antioxidant effect: Flight-trained birds that consumed more dietary anthocyanins had similar antioxidant capacity in liver and flight-muscle compared to untrained birds, and oxidative damage was prevented in the flight-muscle and reduced in the liver of flight-trained birds compared to untrained birds. Dietary fat quality effect: Contrary to our predictions, dietary 18:2n-6 did not influence oxidative status even after flight training. We found limited evidence that circulating and tissue-level oxidative capacity and damage were tightly regulated in flight-trained starlings, in contrast to the precise regulation on gene expression and enzyme activity that were observed in companion studies. In sum, the antioxidant system of songbirds flexibly responded to changes in availability of dietary antioxidants as well as increased flight time and effort, and such condition-dependent, individual-level, tissue-specific responses to the oxidative costs of long-duration flights apparently requires recovery periods for maintaining oxidative balance during migration.

Human papillomavirus infection is a prevalent viral condition affecting the female reproductive system, with high-risk HPV (hrHPV) posing significant risks. The vaginal microbiome plays a crucial role in the progression of cervical intraepithelial neoplasia (CIN). This study investigates the correlation between cervicovaginal microbiota and HPV status in cervicovaginal samples collected from 173 randomly selected participants enrolled in a clinical trial assessing self-sampling for HPV typing. Employing linear discriminant analysis effect size and receiver operating characteristic methodologies, microbial diversity across different cervical lesion categories was examined, identifying potential bacterial species as markers for cervical abnormalities. Among the cases analyzed, the positive predictive value of HPV infection was 74.2%, with Fannyhessea vaginae showing a relative abundance exceeding 0.00123%. This research also investigated the relationship between HPV alpha 7 and alpha 9 and various bacterial species. The findings indicated a potential association between HPV alpha 7 and Streptococcus, particularly Streptococcus pyogenes. Further observational studies are warranted to establish the association between vaginal microbiota dysbiosis and the carcinogenic potential of (hr)HPV-induced cervical cancer. The proposed microbiological biomarkers hold promise for reducing unnecessary invasive procedures and facilitating CIN risk assessment.

Global arthropod decline demands effective biodiversity monitoring strategies. However, most current monitoring approaches do not provide an exhaustive picture of arthropod community structure. In particular, biotic interactions and temporal patterns of biodiversity change are still poorly understood due to a lack of suitable monitoring approaches. Here we explore the possibility of addressing these two shortfalls using spiders, one of the most important predators of terrestrial arthropods, as natural samplers for arthropod community DNA. We conducted several experiments comparing the recovered community composition between spider gut contents and traditional monitoring methods. Additionally, we used archived spiders that were over a decade old to assess the preservation of prey DNA in spiders over time. Spiders proved to be highly efficient natural DNA samplers with gut content metabarcoding revealing similar community composition and α- and β-diversity compared to metabarcoding results of traditional methods. Unique arthropod taxa were detected by spider gut contents and traditional methods respectively, indicating that spider gut contents are not replacements but valuable complements to traditional sampling. Besides providing an overview of local diversity patterns, comparing gut contents across spider species simultaneously generates an overview of trophic interactions and dietary ecology in arthropod communities. Furthermore, well-preserved archived spiders can effectively reconstruct historical diets, making them valuable for studying past dietary diversity. Historical collections of spiders thus constitute time capsules of spider dietary diversity. Spider natural samplers can overcome critical shortfalls in biodiversity monitoring and contribute to our future understanding of community assembly across space and time.

A document by Khalid Yagi. Click on the document to view its contents.

With the continuous deterioration of the environment and people’s pursuit of quality of life, a variety of filtration and adsorption materials have been developed to deal with waste gas, wastewater, and other pollutants generated from industry and life. Among the filtration and adsorption materials, fiber filter materials have gradually become the focus of research due to their environmentally friendly and reusable properties. Herein, a complete overview of the latest advances in the fabrication and functionalization of fiber filter materials for pollution treatment applications was provided. The classification and mechanism of fiber-based filter materials such as physical filtering, chemical filtering and biological filtering are introduced. Also, the fabrication technologies of fiber filter materials (including spinning technology, surface modification method, 3D printing, and molecular self-assembly approach) are described as well as their advantages and disadvantages are analyzed. The practical applications of pollution treatment including air purification, water treatment, separation of chemicals, and biological applications are illustrated in detail with various existing research typical examples. Finally, the tough challenges and future considerations for fiber filter materials are critically analyzed, aiming to implement them in real applications.

Introduction: Pediatric patients with sickle cell disease and vitamin D deficiency have worse clinical and laboratory outcomes. This study aims to quantify the prevalence of vitamin D deficiency in this population and identify possible risk factors for hypovitaminosis D. Methods: A cross-sectional study with children aged three to eighteen years old with sickle cell disease. Patients were clustered into two groups regarding vitamin D deficiency (25-OH-D < 20 ng/mL). Results: 60 patients were evaluated, with a mean age of 10.80+4.21 years. The prevalence of vitamin D deficiency was 46.7% (21.02±8.47 ng/mL). When comparing groups with and without vitamin D deficiency, age (p=0.002) and season of 25-OH-D collection (p=0.005) were statistically significant. Age presented OR 1.23 (95%CI:1.07;1.41 / p=0.004), as well as the season of the 25-OH-D collection with OR 5.21 (95%CI:1.58;17.14 / p=0.007) for autumn/winter assessment. After linear regression, an association was noted for age (β = -0,80/ 95%CI:-1.29;-0.320/ p=0.002), days of sun exposure (β = 0.83/ 95%CI:0.07;1.58/ p=0.032), and autumn/winter vitamin D assessment (β = -7.94/ 95%CI:-12.02;-3.85/ p=0.032). Conclusion: Hypovitaminosis D is highly prevalent in this population; meanwhile, age, season of 25-OH-D collection, and days of sunlight exposure appeared as risk factors for deficiency.

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IgA nephropathy(IgAN) and membranous nephropathy(MN) are glomerular disorders exhibiting distinct pathogenic mechanisms.The gut microbiome, a crucial component in maintaining overall health, may also contribute to the pathophysiology of renal diseases. A comparative analysis of the gut microbial profiles between IgAN and MN patients could provide valuable insights into the underlying mechanisms driving these kidney conditions. This study employed high-throughput sequencing and rigorous statistical analyses to investigate the differences in gut microbiota composition between IgAN and MN patients. Stool samples were collected, and the bacterial abundance patterns were analyzed to identify potential associations with relevant clinical indicators. The analysis revealed significant disparities in the dominant gut microbiota profiles between IgAN and MN patients, with varying types and abundances of distinct bacterial genera. Escherichia-Shigella and Klebsiella were identified as key bacterial taxa associated with IgAN and MN, respectively, and demonstrated correlations with relevant clinical parameters. Alterations in gut microbial composition were found to potentially influence glucose homeostasis, immune responses, and transcription factor activation. This study underscore the importance of further research to elucidate the specific mechanisms underlying the association between gut microbiome dysbiosis and the pathogenesis of IgAN and MN. Understanding the role of specific bacterial genera and their interactions with clinical indicators could provide valuable insights for early diagnosis and the development of novel therapeutic strategies for these kidney diseases. Continued exploration of the gut-kidney axis and the impact of gut microbiota on renal health is warranted to advance our understanding of these complex conditions and inform future clinical management approaches.

The occult insulinoma was localized using endoscopic ultrasound guidance：A case reportZhongqiu Guo1 Yanrong Chen1 Ronghuo Liu1 Yuhua Chen11Department of Endocrinology and Metabolism, Longgang District People’s Hospital of Shenzhen,The Second Affiliated Hospital of The Chinese University of Hong Kong, Longgang central city, Shenzhen, Guangdong, P.R. China.Corresponding Author:Yanrong Chen, Longgang District People’s Hospital of Shenzhen,The Second Affiliated Hospital of The Chinese University of Hong Kong, Longgang central city, Shenzhen, Guangdong, P.R. China.E-mail: Yanrong Chen@126.com

Anxiety is a diffuse condition ranging from milder manifestations to severe disorders, impacting individuals’ lives significantly. Specific sensitive periods such as adolescence and young adulthood are particularly vulnerable to anxious states, often associated with psychological traits like impulsivity, aggression, and varying coping strategies. The goal of the present study is to address the need for a comprehensive analysis of trait anxiety by employing Parallel ICA, a data fusion machine learning technique, in a sample of young individuals divided into a lower anxiety group (n=252) and a higher anxiety group (n=302), aiming to identify the joint gray-white matter networks characterizing higher versus lower trait anxiety. Additionally, we aim to characterize higher anxiety individuals for their usage of maladaptive coping strategies, and other affective dimensions. In higher anxious individuals, we identified a fronto-parieto-cerebellar network with decreased gray matter concentration, linked to bodily awareness and threat modulation, and a parieto-temporal network with increased white matter concentration, emphasizing insula and precuneus role. At the psychological level, we found higher stress, cognitive and motor impulsivity, and avoidance/emotional coping in higher anxious individuals. These findings may enhance the understanding of anxiety’s neural underpinnings in young individuals, supporting early interventions.

Background: Malignant pericardial effusion with cardiac buffer secondary to endometrial cancer is exceptional and can be fatal for these patients if it is not recognized in time; however, due to the rarity of this type of case, there is no standardized treatment. Case: We present the case of a patient who went to emergency room due to dyspnea of small exertion that worsened; upon arrival, data of pulmonary thromboembolism were corroborated, and in secondary studies, data of cardiac tamponade were observed, and pericardial window was performed as initial treatment draining 750 mL of pericardial fluid. Later, a cytopathological study of the pericardial fluid revealed adenocarcinoma cells, continuing its diagnostic approach, and found that the primary tumor was adenocarcinoma of the endometrium. Conclusion: Cardiac tamponade is a rare and fatal complication, which makes it a complex pathology for diagnosis and treatment. Therefore, it is important to publicize this type of case to improve current management.

Background Natural compounds from medicinal plants are being increasingly studied for their reduced aftereffect reaction and reduced drug resistance compared to chemical medicines. These plants, known for their antioxidant and antibacterial properties, are utilized in treating various diseases, including cancer. Methods In this study, the antimicrobial and antitumor attributes of Portulaca oleracea L. essential oil were examined using disk diffusion and MTT assays, respectively. Polylactic acid-Polyethylene glycol-Folate (PLA-PEG-FA) nanoparticles were used to target the delivery of P. oleracea essential oil to MCF-7 cells. The average particle size and zeta potential of the nanoparticles were evaluated with Transmission Electron Microscopy (TEM) and Dynamic Light Scattering (DLS). Results The PLA-PEG-FA nanoparticles containing essential oils exhibited a spherical morphology, with a mean diameter varying between roughly 100 to 150 nanometers. The minimum bactericidal concentration (MBC) for P. oleracea essential oil against Staphylococcus aureus and Escherichia coli were 6.25 and 12.5 µL mL -1, respectively. The MTT assay demonstrated that the antiproliferative properties of the essential oil increased significantly with encapsulation into the PLA-PEG-FA nanoparticles. Flow cytometry analysis showed that P. oleracea essential oil lessened the viability of MCF-7 cells by inducing apoptosis pathways in MCF-7 cells. Conclusion In summary, the precise administration of essential oils directly into cancer cells significantly enhances anti-cancer efficacy while minimizing adverse effects.

The image contrast and probing depth of optical methods applied to in vivo skin could be improved by reducing skin scattering using the optical clearing method. The aim of the present study was to quantify, from line-field confocal optical coherence tomography (LC-OCT) 3D images, the modifications of skin scattering properties in vivo during optical clearing. Nine mixtures of optical clearing agents were used in combination with physical and chemical permeation enhancers on human skin of three healthy volunteers. Scattering coefficient and anisotropy factor of the epidermis and the upper dermis were estimated from the 3D LC-OCT images of skin using an exponential decay model of the in-depth intensity profile. We were able to demonstrate a decrease in epidermal scattering (down to 33%)  related to optical clearing with the best results obtained by a mixture of Polyethylene Glycol, Oleic Acid and Propylene Glycol.

Understanding the drivers of seedling herbivory is critical for predicting plant community dynamics in forest ecosystems. For every individual seedling captured in this census, we conducted a comprehensive analysis of various factors that could potentially influence focal seedling herbivory. These factors included seedling height, biotic neighborhood, plant functional traits, topography, and the density of herbivore events. Our results reveal that both biotic and abiotic factors play a significant role in shaping seedling herbivory patterns. We found that seedling height and the presence of conspecifics have a positive correlation with herbivory, which supports both the plant apparency and Janzen-Connell hypotheses. On the other hand, higher heterospecific density and diversity were associated with reduced herbivory, in line with the herd protection and associational resistance hypotheses. Interestingly, interactions with ants, which serve as an example of interspecific mutualist, were found to directly and indirectly influence these dynamics. Overall, our study highlights the complex interplay of community structure, physical and chemical traits of plants, and interspecific interactions in determining herbivory patterns in forest ecosystems. These findings provide valuable insights into forest dynamics and can potentially inform conservation strategies in subtropical forests.

Early T-cell precursor blast crisis of chronic myeloid leukemia: A case reportBENLAZAR Mohammed Ismail1, BEN LAKHAL Fatma1,2, FEKIH SALEM Sarra1,4,, GHALI Ons1,2, KHARRAT Rachid2,3, BERRED Rabeb2,3, BEN NEJI Hend2,3, BEN LAKHAL Raihane2,3, EL BORGI Wijdene1,2, GOUIDER Emna1,2.Hematology laboratory, Aziza Othmana University Hospital, TunisFaculty of Medicine, El Manar University, Tunis, TunisiaClinical Hematology Department, Aziza Othmana University Hospital, TunisFaculty of Pharmacy, Monastir University, Monastir, TunisiaCorresponding author: BENLAZAR Mohammed IsmailPhone number: +(213)552367753e-mail : benlazarmohammedismail@gmail.com

Myocardial ischemia-reperfusion (MI/R) injury research, a key area of interest within cardiovascular disease studies, has seen significant advancements, especially in understanding the way the inflammatory response worsens myocardial damage throughout the ischemia-reperfusion cycles. Despite extensive studies, a comprehensive bibliometric evaluation of the research landscape on inflammation and MI/R injury remains absent. This study uses bibliometric and knowledge mapping techniques to systematically assess the current status and trends of research in this area, providing insights for future investigations. Researchers conducted a data extraction spanning from January 1, 2006 to January 13, 2024 from the Web of Science Core Database, subsequently employing CiteSpace, VOSviewer, and R Studio software for analysis. A total of 1707 papers were identified, revealing primarily evolving research focuses including TNF-alpha, heart failure, NF-kappa B, nuclear factor kappa-B ligand receptor activator (RANKL), Nlrp3 inflammasome, apoptosis and nitric oxide. This investigation marks the first to visualize the inflammation and MI/R injury research field through bibliometric analysis, uncovering leading scholars, institutions, and thematic directions. The findings underscore a shift towards exploring the molecular mechanisms underlying inflammation and MI/R injury, guiding academics in pinpointing emerging research areas and potential collaborative opportunities.

In the context of an aging population, concerns surrounding memory function become increasingly prevalent, particularly as individuals transition into middle age and beyond. This study investigated neurofeedback (NFB) as a potential early therapeutic intervention to address subjective cognitive decline in aging populations. NFB, a biofeedback technique utilizing a brain-computer interface, has demonstrated promise in the treatment of various neurological and psychological conditions. Here, we evaluated the efficacy of individualized NFB training, tailored to each participant’s EEG profile, compared to a standard NFB training protocol aimed at upregulating peak alpha frequency, in enhancing cognitive function among individuals experiencing subjective cognitive decline (SCD). Our NFB protocol incorporated innovative elements, including the implementation of a criterion for learning success to ensure consistent achievement levels by the conclusion of the training sessions. Additionally, we introduced a non-learners group to account for individuals who do not demonstrate the expected proficiency in NFB regulation. Analysis of electroencephalographic (EEG) signals during NFB sessions, as well as before and after training, provides insights into the modulatory effects of NFB on EEG frequencies. Contrary to expectations, our rigorous analysis revealed that the ability of individuals with SCD to modulate EEG signal power and duration at specific frequencies was not exclusive to the intended frequency target. Furthermore, examination of EEG signals recorded using a high-density EEG showed no discernible alteration in signal power between pre- and post-NFB training sessions. Similarly, no significant effects were observed on questionnaire scores when comparing pre- and post-NFB training assessments.

Drought tolerance of tree species is a concern in the context of climate change, and tree ring analyses can be used to assess past growth response(s) to drought events. In this study we applied this approach to 1,281 individuals with known pedigree in long-term genetic test plantations of lodgepole pine in western Canada. We assessed resistance, resilience and recovery metrics, and analyzed their causal relationships with long-term growth and susceptibility to disease through structural equation modeling. We found that trees with low short-term resilience to drought events also experienced severe reductions in long-term growth. Narrow-sense heritability of drought tolerance metrics was low for short-term responses at specific sites, but a new long-term decline index for families showed moderate genetic heritability (h ̵̂^2 of 0.15 to 0.30 ± 0.03). We also detected evidence of local adaptation, with trees from lower elevation showing better drought adaptation. We conclude that selection of genotypes for drought tolerance is possible, and that other species or populations could be screened using this method. We also note that the new long-term decline index developed in this study shows a higher degree of genetic control than other metrices, and may therefore be of broader interest in dendrochronological research.

A document by Adrian Figueroa. Click on the document to view its contents.

This paper proposes a calculation method for determining indoor RFID coverage using an overhead RFID reader antenna. The proposed coverage calculation accounts for the radiation patterns of both the reader and tag antennas, as well as the installation height of the reader antenna. In various application environments with different reader antenna heights, optimizing the radiation patterns of tag and reader antennas is proven to enhance indoor RFID coverage. In simulations, a commercial reader antenna with circular polarization (9 dBic gain, 120° beamwidth) covers a horizontal distance of up to 630 cm when paired with a dipole tag (0 dB gain) and a reader antenna height of 50 cm. Elevating the reader to 250 cm extends coverage to 800 cm. To further improve coverage, a dual-chip RFID tag with adjustable beam separation is utilized, where the beams’ separation can be adjusted by varying the spacing between the tag and its metal reflector. In an optimized scenario, coverage extends to 1090 cm and 1380 cm for reader antenna heights of 50 cm and 250 cm, respectively. For additional coverage augmentation, a reader antenna with a quasi-cosecant squared radiation pattern is employed to distribute signal power evenly over the detection area. With this modified pattern and a maximum antenna gain of 4.57 dBic, coverage is further extended to 1400 cm and 1450 cm for reader antenna heights of 50 cm and 250 cm, respectively. The maximum field of view achieved with the quasi-cosecant squared reader antenna and dual-chip RFID tag is 176° and 188.2°, respectively, for reader antenna heights of 50 cm and 250 cm. The findings of this study demonstrate the potential of the proposed calculation method to estimate indoor RFID coverage in various scenarios and optimize antenna radiation patterns for maximum coverage.

Germline pathogenic variants (PVs) in CBL is found in 15% of juvenile myelomonocytic leukemia (JMML) cases. Here we report siblings with CBL variations presenting a heterogenous JMML clinic and outcome. The index case was diagnosed at the age of seven, whereas the younger brother was 10 months old and the youngest was one month old. The hematopoietic stem cell transplantation was successful for the index and the youngest brother with event free survival, but the middle brother showed severe graft versus host disease. This study shows the heterogeneity of JMML and how the outcome might differ even within the family.