keyword
https://read.qxmd.com/read/38643463/single-session-of-intermittent-theta-burst-stimulation-alters-brain-activity-of-patients-in-vegetative-state
#1
JOURNAL ARTICLE
Ying Huang, Xiaoyu Xia, Xiangqiang Meng, Yang Bai, Zhen Feng
BACKGROUND: Non-invasive brain stimulation is considered as a promising technology for treating patients with disorders of consciousness (DOC). Various approaches and protocols have been proposed; however, few of them have shown potential effects on patients with vegetative state (VS). This study aimed to explore the neuro-modulation effects of intermittent theta burst stimulation (iTBS) on the brains of patients with VS and to provide a pilot investigation into its possible role in treating such patients...
April 18, 2024: Aging
https://read.qxmd.com/read/38643455/estrone-mediated-lowering-of-ros-and-nox4-improves-endothelial-function-in-ovariectomized-wistar-rats
#2
JOURNAL ARTICLE
Thiago S Oliveira, Hericles M Campos, Rafael M Costa, Raphaela C Georg, Jacqueline A Leite, Rita C Tostes, Elson A Costa, Fernanda Cristina A Santos, Núbia S Lobato, Fernando P Filgueira, Paulo César Ghedini
Estrone (E1) constitutes the primary component in oral conjugated equine estrogens (CEEs) and serves as the principal estrogen precursor in the female circulation in the post-menopause. E1 induces endothelium-dependent vasodilation and activate PI3K/NO/cGMP signaling. To assess whether E1 mitigates vascular dysfunction associated with postmenopause and explore the underlying mechanisms, we examined the vascular effects of E1 in ovariectomized (OVX) rats, a postmenopausal experimental model. Blood pressure was measured using tail-cuff plethysmography, and aortic rings were isolated to assess responses to phenylephrine, acetylcholine (ACh), and sodium nitroprusside...
April 21, 2024: Naunyn-Schmiedeberg's Archives of Pharmacology
https://read.qxmd.com/read/38643447/establishment-and-evaluation-of-rat-models-of-parastomal-hernia
#3
JOURNAL ARTICLE
X Zhu, J Liu, Z Liu, R Tang, C Fu
PURPOSE: Parastomal hernia poses a challenging problem in the field of hernia surgery. The high incidence and recurrence rates of parastomal hernia necessitate surgeons to enhance surgical techniques and repair materials. This study aimed to develop a rat model of parastomal hernia by inducing various types of defects on the abdominal wall with colostomy. This established method has potential for future studies on parastomal hernia. METHODS: In this study, 32 male rats were included and randomly divided into four groups: the oblique abdominis excision (OE), oblique abdominis dissection (OD), rectus abdominis excision (RE), and rectus abdominis dissection (RD) groups...
April 21, 2024: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://read.qxmd.com/read/38643441/defoliation-trampling-and-nutrient-return-differentially-influence-grassland-productivity-by-modulating-trait-dependent-plant-community-composition-insights-from-a-simulated-grazing-experiment
#4
JOURNAL ARTICLE
Tongtian Guo, Yuqi Wei, Bin Wei, Meiqi Guo, Shuxia Zheng, Yingjun Zhang, Nan Liu
Ungulate grazing involves multiple components, including defoliation, dung and urine return, and trampling, which supply offsetting or synergistic effects on plant community composition and productivity (ANPP), but these effects have not been fully studied. Plant functional traits may reflect the response of plants to disturbance and their impact on ecosystem functions. Species turnover and intraspecific trait variation (ITV) are important drivers of community trait composition. We conducted a simulated grazing experiment in a steppe grassland in northern China to examine the effects of defoliation, dung and urine return, and trampling on community-weighted mean (CWM), functional diversity (FD) and ANPP, and to disentangle the roles of species turnover and ITV in driving these changes...
April 21, 2024: Oecologia
https://read.qxmd.com/read/38643422/long-term-follow-up-of-the-cognitive-function-in-children-after-intravitreal-ranibizumab-for-retinopathy-of-prematurity
#5
JOURNAL ARTICLE
Ya Tian, Zixin Fan, Xianlu Zeng, Zhen Yu, Xiaofeng Lu, Xinyu Zhao, Zhenquan Wu, Honghui He, Jian Zeng, Lei Zheng, Linlin Zhang, Victor S M C Correa, Guishuang Ying, Shaochong Zhang, Guoming Zhang
PURPOSE: To evaluate the long-term cognitive function in children treated with intravitreal ranibizumab (IVR) for retinopathy of prematurity(ROP), and the impact of IVR on the growth and ocular development. METHODS: In this retrospective study, the premature children aged 4 to 9 years who received monotherapy of IVR (IVR group, n = 25) or monotherapy of laser photocoagulation (LP) (LP group, n = 33) for ROP, and the same age premature children with no ROP (Control group, n = 26) were enrolled from 2020 to 2022 in the pediatric fundus clinic of Shenzhen Eye Hospital...
April 21, 2024: Graefe's Archive for Clinical and Experimental Ophthalmology
https://read.qxmd.com/read/38643396/tendon-cross-sectional-area%C3%A2-on-magnetic-resonance-imaging-and-anthropometric-characteristics-can-be-used-to-predict-insufficient-four-strand-hamstring-autograft-diameter%C3%A2-in-anterior-cruciate-ligament-reconstruction-a-systematic-review
#6
JOURNAL ARTICLE
Prushoth Vivekanantha, Patrick Grzela, Stephanie Wong, Fadi Mansour, Hassaan Abdel Khalik, Jansen Johnson, Ashraf Hantouly, Darren de Sa
PURPOSE: To evaluate the utility of semitendinosus tendon (ST) and gracilis tendon (GT) cross-sectional area (CSA) on magnetic resonance imaging (MRI) and anthropometric characteristics in preoperative estimation of graft diameter in patients undergoing anterior cruciate ligament reconstruction (ACLR) with four-strand hamstring autografts. METHODS: Three databases were searched on 29 August 2023. The authors adhered to the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) and R-AMSTAR (Revised Assessment of Multiple Systematic Review) guidelines and the Cochrane Handbook for Systematic Reviews of Interventions...
April 21, 2024: Knee Surgery, Sports Traumatology, Arthroscopy
https://read.qxmd.com/read/38643381/cenicriviroc-a-ccr2-ccr5-antagonist-promotes-the-generation-of-type-1-regulatory-t-cells
#7
JOURNAL ARTICLE
Upasna Madan, Bhawna Verma, Amit Awasthi
Cenicriviroc, a dual CCR2/CCR5 antagonist, initially developed as an anti-HIV drug, has shown promising results in nonalcoholic steatohepatitis phase 2 clinical trials. It inhibits the infiltration and activation of CCR2+ /CCR5+ monocytes and macrophages to the site of liver injury, preventing liver fibrosis. However, the role of Cenicriviroc in the modulation of helper T cell differentiation and functions remains to be explored. In inflamed colons of Crohn's disease patients, CCR2+ and CCR5+ CD4+ T cells are enriched...
April 21, 2024: European Journal of Immunology
https://read.qxmd.com/read/38643374/the-extrastriate-symmetry-response-is-robust-to-alcohol-intoxication
#8
JOURNAL ARTICLE
Elena Karakashevska, Yiovanna Derpsch, Andrew Jones, Alexis D J Makin
Visual symmetry activates a network of regions in the extrastriate cortex and generates an event-related potential (ERP) called the sustained posterior negativity (SPN). Previous work has found that the SPN is robust to experimental manipulations of task, spatial attention, and memory load. In the current study, we investigated whether the SPN is also robust to alcohol-induced changes in mental state. A pilot experiment (N = 13) found that alcohol unexpectedly increased SPN amplitude. We followed this unexpected result with two new experiments on separate groups, using an alcohol challenge paradigm...
April 21, 2024: Psychophysiology
https://read.qxmd.com/read/38643352/evaluating-the-dose-dependent-effects-of-curcumin-nano-micelles-on-rumen-fermentation-nitrogen-metabolism-and-nutrient-digestibility-in-heat-stressed-fattening-lambs-implications-for-climate-change-and-sustainable-animal-production
#9
JOURNAL ARTICLE
Mostafa Bokharaeian, Abdolhakim Toghdory, Taghi Ghoorchi
Global warming threatens livestock production, especially in hot climates. This study evaluated the dose-dependent impacts of dietary curcumin nano-micelles (CNM) on rumen fermentation, nitrogen metabolism, and nutrient digestibility in heat-stressed fattening lambs. Thirty-two crossbred male lambs [ˆIle-de-France × (Dalagh × Romanov)] were utilized within the current study. The initial weight of lambs was documented as averaged by 31.2 ± 1.55 kg, while they were in their 4th to 5th months of age...
April 20, 2024: Journal of Animal Physiology and Animal Nutrition
https://read.qxmd.com/read/38643335/an-exact-algorithm-to-find-a-maximum-weight-clique-in-a-weighted-undirected-graph
#10
JOURNAL ARTICLE
Kati Rozman, An Ghysels, Dušanka Janežič, Janez Konc
We introduce a new algorithm MaxCliqueWeight for identifying a maximum weight clique in a weighted graph, and its variant MaxCliqueDynWeight with dynamically varying bounds. This algorithm uses an efficient branch-and-bound approach with a new weighted graph coloring algorithm that efficiently determines upper weight bounds for a maximum weighted clique in a graph. We evaluate our algorithm on random weighted graphs with node counts up to 10,000 and on standard DIMACS benchmark graphs used in a variety of research areas...
April 20, 2024: Scientific Reports
https://read.qxmd.com/read/38643327/advances-in-body-composition-a-100-year-journey
#11
REVIEW
Steven B Heymsfield
Knowledge of human body composition at the dawn of the twentieth century was based largely on cadaver studies and chemical analyses of isolated organs and tissues. Matters soon changed by the nineteen twenties when the Czech anthropologist Jindřich Matiegka introduced an influential new anthropometric method of fractionating body mass into subcutaneous adipose tissue and other major body components. Today, one century later, investigators can not only quantify every major body component in vivo at the atomic, molecular, cellular, tissue-organ, and whole-body organizational levels, but go far beyond to organ and tissue-specific composition and metabolite estimates...
April 20, 2024: International Journal of Obesity
https://read.qxmd.com/read/38643326/an-analysis-of-information-segregation-in-parallel-streams-of-a-multi-stream-convolutional-neural-network
#12
JOURNAL ARTICLE
Hiroshi Tamura
Visual information is processed in hierarchically organized parallel streams in the primate brain. In the present study, information segregation in parallel streams was examined by constructing a convolutional neural network with parallel architecture in all of the convolutional layers. Although filter weights for convolution were initially set to random values, color information was segregated from shape information in most model instances after training. Deletion of the color-related stream decreased recognition accuracy of animate images, whereas deletion of the shape-related stream decreased recognition accuracy of both animate and inanimate images...
April 20, 2024: Scientific Reports
https://read.qxmd.com/read/38643324/employing-supervised-machine-learning-algorithms-for-classification-and-prediction-of-anemia-among-youth-girls-in-ethiopia
#13
JOURNAL ARTICLE
Alemu Birara Zemariam, Ali Yimer, Gebremeskel Kibret Abebe, Wubet Tazeb Wondie, Biruk Beletew Abate, Addis Wondmagegn Alamaw, Gizachew Yilak, Tesfaye Masreshaw Melaku, Habtamu Setegn Ngusie
In developing countries, one-quarter of young women have suffered from anemia. However, the available studies in Ethiopia have been usually used the traditional stastical methods. Therefore, this study aimed to employ multiple machine learning algorithms to identify the most effective model for the prediction of anemia among youth girls in Ethiopia. A total of 5642 weighted samples of young girls from the 2016 Ethiopian Demographic and Health Survey dataset were utilized. The data underwent preprocessing, with 80% of the observations used for training the model and 20% for testing...
April 20, 2024: Scientific Reports
https://read.qxmd.com/read/38643322/sarcopenic-obesity-and-reduced-bmd-in-young-men-living-with-hiv-body-composition-and-sex-steroids-interplay
#14
JOURNAL ARTICLE
S De Vincentis, C Greco, F Fanelli, M C Decaroli, C Diazzi, M Mezzullo, J Milic, M C De Santis, L Roli, U Pagotto, G Guaraldi, V Rochira
PURPOSE: Sex steroids play a key role on male bone homeostasis and body composition (BC), their role in men living with HIV (MLWH) is less recognized. This study aimed at investigating the prevalence of low BMD, sarcopenia, and sarcopenic obesity (SO) and their relationship with sex steroids in MLWH aged < 50. METHODS: Prospective, cross-sectional, observational study on MLWH younger than 50 (median age 47.0 years). BC and BMD were evaluated with DXA...
April 20, 2024: Journal of Endocrinological Investigation
https://read.qxmd.com/read/38643320/peanut-leafy-cotyledon1-type-genes-participate-in-regulating-the-embryo-development-and-the-accumulation-of-storage-lipids
#15
JOURNAL ARTICLE
Guiying Tang, Pingli Xu, Chunyu Jiang, Guowei Li, Lei Shan, Shubo Wan
Two peanut LEC1-type genes exhibit partial functional redundancy. AhNFYB10 could complement almost all the defective phenotypes of lec1-2 in terms of embryonic morphology, while AhNF-YB1 could partially affect these phenotypes. LEAFY COTYLEDON1 (LEC1) is a member of the nuclear factor Y (NF-Y) family of transcription factors and has been identified as a key regulator of embryonic development. In the present study, two LEC1-type genes from Arachis hypogeae were identified and designated as AhNF-YB1 and AhNF-YB10; these genes belong to subgenome A and subgenome B, respectively...
April 20, 2024: Plant Cell Reports
https://read.qxmd.com/read/38643312/primary-thromboprophylaxis-in-cancer-outpatients-real-world-evidence
#16
JOURNAL ARTICLE
Joana Liz-Pimenta, Valéria Tavares, João Gramaça, João Rato, Maria Menezes, Mafalda Baleiras, Helena Guedes, Joana Reis, Catarina Guedes, Rosa Gomes, Miguel Barbosa, Marta Sousa, Alok A Khorana, Rui Medeiros
INTRODUCTION: Cancer-associated thrombosis (CAT) is a significant concern among patients with malignant diseases, leading to increased mortality. While current guidelines recommend primary thromboprophylaxis for venous thromboembolism (VTE) in medium-to-high-risk outpatients, this practice remains controversial. A better understanding of primary thromboprophylaxis is crucial, yet there is a lack of Real-World Evidence (RWE) in Portugal. AIMS: This RWE study aimed to elucidate primary thromboprophylaxis practices among cancer outpatients in Portugal...
April 20, 2024: Journal of Thrombosis and Thrombolysis
https://read.qxmd.com/read/38643291/fastmri-prostate-a-public-biparametric-mri-dataset-to-advance-machine-learning-for-prostate-cancer-imaging
#17
JOURNAL ARTICLE
Radhika Tibrewala, Tarun Dutt, Angela Tong, Luke Ginocchio, Riccardo Lattanzi, Mahesh B Keerthivasan, Steven H Baete, Sumit Chopra, Yvonne W Lui, Daniel K Sodickson, Hersh Chandarana, Patricia M Johnson
Magnetic resonance imaging (MRI) has experienced remarkable advancements in the integration of artificial intelligence (AI) for image acquisition and reconstruction. The availability of raw k-space data is crucial for training AI models in such tasks, but public MRI datasets are mostly restricted to DICOM images only. To address this limitation, the fastMRI initiative released brain and knee k-space datasets, which have since seen vigorous use. In May 2023, fastMRI was expanded to include biparametric (T2- and diffusion-weighted) prostate MRI data from a clinical population...
April 20, 2024: Scientific Data
https://read.qxmd.com/read/38643289/association-between-maternal-cardiometabolic-markers-and-fetal-growth-in-non-complicated-pregnancies-a-secondary-analysis-of-the-princesa-cohort
#18
JOURNAL ARTICLE
Isabel Omaña-Guzmán, Luis Ortiz-Hernández, Monica Ancira-Moreno, Myrna Godines-Enriquez, Marie O'Neill, Felipe Vadillo-Ortega
The objective of this study was to evaluate the association of maternal cardiometabolic markers trajectories (glucose, triglycerides (TG), total cholesterol, systolic blood pressure (SBP) and diastolic blood pressure (DBP)) with estimated fetal weight trajectories and birth weight in Mexican pregnant women without medical complications. Cardiometabolic marker trajectories were characterized using group-based trajectory models. Mixed-effect and linear regression models were estimated to assess the association of maternal trajectories with estimated fetal weight and birth weight...
April 20, 2024: Scientific Reports
https://read.qxmd.com/read/38643270/l-nac-and-l-nac-methyl-ester-prevent-and-overcome-physical-dependence-to-fentanyl-in-male-rats
#19
JOURNAL ARTICLE
James N Bates, Santhosh M Baby, Paulina M Getsy, Gregory A Coffee, Yee-Hsee Hsieh, Zackery T Knauss, Albert Dahan, Jason A Bubier, Peter M MacFarlane, Devin Mueller, Stephen J Lewis
N-acetyl-L-cysteine (L-NAC) is a proposed therapeutic for opioid use disorder. This study determined whether co-injections of L-NAC (500 μmol/kg, IV) or its highly cell-penetrant analogue, L-NAC methyl ester (L-NACme, 500 μmol/kg, IV), prevent acquisition of acute physical dependence induced by twice-daily injections of fentanyl (125 μg/kg, IV), and overcome acquired dependence to these injections in freely-moving male Sprague Dawley rats. The injection of the opioid receptor antagonist, naloxone HCl (NLX; 1...
April 20, 2024: Scientific Reports
https://read.qxmd.com/read/38643259/effect-of-plga-raw-materials-on-in-vitro-and-in-vivo-performance-of-drug-loaded-microspheres
#20
JOURNAL ARTICLE
Desheng Liang, Jennifer Walker, Peter S Schwendeman, Aishwarya Chandrashekar, Rose Ackermann, Karl F Olsen, Moritz Beck-Broichsitter, Steven P Schwendeman
Poly(lactide-co-glycolide) and poly(lactic-co-glycolic acids) (PLGAs) play a critical role in the development of commercial long-acting injectable microsphere formulations. However, very little information is available describing the impact of PLGA manufacturer and monomer distribution along the polymer chain (e.g., glycolic blockiness (Rc ) and average lactic block length (LL )) on the degradation and release behavior of PLGA drug carriers in vitro and in vivo. Here, we compared the in vitro and in vivo performance of (a) four leuprolide-loaded microsphere formulations prepared from similar low-molecular-weight acid-capped PLGAs (10-14 kD, i...
April 20, 2024: Drug Delivery and Translational Research
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