Clonal plants can support the growth of their ramets in heterogeneous environments through clonal integration between the ramets. However, the role of clonal integration in modulating ramet photosynthesis under toxic stress, especially combined stress, is unclear. This study examines the impact of clonal integration on under three heterogeneous stresses (Pb, pyrene, and Pb+Pyrene) with two stolon connection conditions (connected and disconnected).
View Article and Find Full Text PDFToxoplasma gondii is a ubiquitous protozoan parasite with a complex life cycle containing multiple developmental stages. The parasites have distinct gene expression patterns at different stages to enable stage specific life activities, but the underlying regulatory mechanisms are largely unknown. In this study, a nuclear complex is identified that controls the expression of developmentally regulated genes.
View Article and Find Full Text PDFZhonghua Wei Zhong Bing Ji Jiu Yi Xue
November 2024
Objective: To construct a non-invasive pre-hospital screening model and early based on artificial intelligence algorithms to provide the severity of stroke in patients, provide screening, guidance and early warning for stroke patients and their families, and provide data support for clinical decision-making.
Methods: A retrospective study was conducted. The clinical information of stroke patients (n = 53 793) were extracted from the Yidu cloud big data server system of the Second Affiliated Hospital of Dalian Medical University from January 1, 2001 to July 31, 2023.
In mammals, the melatonin (Mel) concentration in the gastrointestinal tract is 400 times greater than in the pineal gland. However, the origin of Mel in the gastrointestinal tract and its role in reproductive regulation remains unclear. Therefore, we analyzed three potential Mel sources (feed, microorganisms, and the rumen wall) for their contribution to high Mel levels in the rumen and their biological effects.
View Article and Find Full Text PDFBackground: This study explores the novel role of specific inflammatory factors in predicting infection risk among leukemia patients undergoing chemotherapy, providing new insights into managing leukemia-associated infections.
Methods: This prospective cohort study included 244 leukemia patients suspected of infection, divided into the infected group (n = 194) and the uninfected group (n = 50) based on etiological testing. The infected group was further categorized into bacterial (n = 123), fungal (n = 22), and viral (n = 49) infection subgroups.
Aim: To assess the knowledge, attitude and practice (KAP) towards unnecessary urinary catheterisation among nurses in Taicang City, China.
Design: Cross-sectional study.
Methods: This study included nurses from our hospital and was conducted between February 2023 and June 2023.
Ethnopharmacological Relevance: Lonicerae japonicae flos (LJF), the dried flower bud or newly bloomed flower of Lonicera japonica Thunb., is widely used in Traditional Chinese medicine (TCM), exhibiting anti-inflammatory and immune-enhancing properties. Luteolin (Lut) is a major bioactive component of LJF, demonstrating a regulatory role in immune disorders.
View Article and Find Full Text PDFEbola virus (EBOV) is one of three filovirus members of the genus that can cause severe Ebola disease (EBOD) in humans. Transmission predominantly occurs from spillover events from wildlife but has also happened between humans with infected bodily fluids. Specifically, the sexual route through infectious male survivors could be the origin of flare up events leading to the deaths of multiple women.
View Article and Find Full Text PDFPreeclampsia (PE) is a serious pregnancy complication characterized by elevated blood pressure and a major cause of maternal and perinatal morbidities, also known to increase the risk of chronic kidney disease. Mechanisms underlying PE-induced kidney injury remain unclear. Anti-angiotensin II type 1 receptor agonistic autoantibody (AT1-AA) is reported to participate in the pathogenesis of PE-induced kidney injury.
View Article and Find Full Text PDFBackground: Mechanical thrombectomy (MT) is standard of care for acute cerebral infarction (ACI) due to large vessel occlusions. However, its clinical efficacy in patients with ACI due to distal medium vessel occlusions (DMVOs) remains unclear. This study evaluates the efficacy and safety of MT in patients with ACI due to DMVOs.
View Article and Find Full Text PDFCerebral ischemia/reperfusion injury (CIRI) refers to secondary damage caused by reperfusion of blood flow following ischemic stroke. Its mechanism is complex, involving mitochondrial energy metabolism disorders, Ca overload, oxidative stress, apoptosis, inflammatory responses, excitatory amino acid toxicity, blood-brain barrier disruption, excessive NO synthesis, and cell necrosis etc. Mitochondrial-associated endoplasmic reticulum membranes (MAMs) are specialized regions of the endoplasmic reticulum that play crucial roles in various cellular processes, including regulation of mitochondrial morphology and activity, lipid metabolism, Ca homeostasis, and cell viability.
View Article and Find Full Text PDFEthnopharmacological Relevance: Physical therapy is the main clinical treatment for limb symptoms after ischemic stroke, and there is a lack of reliable drug intervention programs. HouShiHeiSan (HS)comes from "Synopsis of the Golden Chamber", where it is recorded: "seauelae of wind stroke and heaviness of limbs", indicating this formulae is a promising opion for clinical practice.
Aim Of The Study: The aim of this study is to explore the therapeutic effect of HS on sarcopenia after ischemic stroke (ISS) by using the middle cerebral artery occlusion (MCAO) rats.
[This corrects the article DOI: 10.3389/fphar.2024.
View Article and Find Full Text PDFBackground: Myelodysplastic syndromes (MDS) are heterogeneous and clonal hematological disorders. The role and mechanism of necroptosis in MDS remain poorly understood.
Methods: mRNA expression profiles and single-cell RNA-sequencing (scRNA-seq) data were sourced from the GEO database.
Purpose: This study aims to investigate the factors that influence the absorption of the ablation zone in patients with papillary thyroid microcarcinoma (PTMC) following microwave ablation (MWA) and construct a nomogram for predicting the absorption of the ablation zone.
Methods: Data from 150 patients with 187 PTMCs who received MWA between April 2020 and April 2023 were analyzed. PTMCs were randomly divided into training and validation sets in a 7:3 ratio.
Pyridine and quinoline are typical nitrogenous heterocyclic compounds with different structures that are found in coking wastewater. However, neither the corresponding mechanism nor its effect on the degradation of NH-N under phenol stress is known. In this study, the effects of pyridine and quinoline degradation on NH-N removal under phenol stress were evaluated using three lab-scale sequencing batch reactors.
View Article and Find Full Text PDFMitochondrial dysfunction is a hallmark of many genetic neurodegenerative diseases, but therapeutic options to reverse mitochondrial dysfunction are limited. While recent studies support the possibility of improving mitochondrial fusion/fission dynamics and motility to correct mitochondrial dysfunction and resulting neurodegeneration in Charcot-Marie-Tooth disease (CMT) and other neuropathies, the clinical utility of reported compounds and relevance of preclinical models are uncertain. Here, we describe motor and sensory neuron dysfunction characteristic of clinical CMT type 2 A in a CRISPR/Casp-engineered Mfn2 Thr105Met (T105M) mutant knock-in mouse.
View Article and Find Full Text PDFBackground: Vascular endothelial growth factor (VEGF) is a candidate mediator of blood-brain barrier (BBB) disruption in depression. However, previous studies have mainly focused on peripheral blood VEGF levels, and the results are heterogeneous. Here we use astrocyte-derived extracellular vesicles (ADEVs) isolated from plasma to explore the in vivo changes of VEGF levels in patients with major depressive disorder (MDD).
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