Despite their clinical success, stem cells (SCs) in the treatment of osteoarthritis (OA) are limited by lower retention efficiency and restricted paracrine function. The development of effective SCs culture and delivery systems to maintain or promote SCs paracrine function is urgently needed. In this study, we focused on gelatin microcarriers with different sizes as SCs culture scaffold for OA therapy.
View Article and Find Full Text PDFPlant senescence is a highly coordinated process that is intricately regulated by numerous endogenous and environmental signals. The involvement of phytic acid in various cell signaling and plant processes has been recognized, but the specific roles of phytic acid metabolism in Arabidopsis leaf senescence remain unclear. Here, we demonstrate that in the multiple inositol phosphate phosphatase (AtMINPP) gene, encoding an enzyme with phytase activity, plays a crucial role in regulating leaf senescence by coordinating the ethylene signal transduction pathway.
View Article and Find Full Text PDFObjectives: To observe the effect of electro-scalp acupuncture (ESA) on the expression of cytochrome P450a1/b1 (CYP27a1/b1), cytochrome P45024a (CYP24a), signal transducer and activator of transcription (STAT)4, STAT6, tumor necrosis factor-α (TNF-α), interleukin (IL)-1β and IL-4 in ischemic cerebral cortex of rats with acute ischemic stroke, so as to explore its mechanism in alleviating inflammatory reaction of ischemic stroke.
Methods: Sixty SD rats were randomly divided into sham-operation, model, vitamin D and ESA groups, with 15 rats in each group. The middle cerebral artery occlusion rat model was established with thread ligation according to Zea-Longa's method.
Axillary bud outgrowth, a key factor in ratoon rice yield formation, is regulated by several phytohormone signals. The regulatory mechanism of key genes underlying ratoon buds in response to phytohormones in ratoon rice has been less reported. In this study, GR24 (a strigolactone analogue) was used to analyze the ratooning characteristics in rice cultivar Huanghuazhan (HHZ).
View Article and Find Full Text PDFObjectives: To observe the effect of electroacupuncture (EA) of scalp acupoint (Dingnieqian-xiexian, MS6) on expression of retinoid-related orphan receptor γT (ROR γ t), interleukin (IL)-17A, IL-10, transfor-ming growth factor-β1 (TGF-β1), IL-6, IL-21, and IL-17A Thelper cells(Th) 17 and forkhead transcription factor P3 (FOXP3) regulatory T cells (Treg) differentiation of ischemic cortex in ischemic stroke rats, so as to explore its molecular mechanisms underlying relief of inflammatory injury of ischemic stroke.
Methods: A total of 120 male SD rats were randomly assigned to sham operation, model, EA, inhibitor, agonist and EA+agonist groups, with 15 rats in each group. The ischemic stroke model was established by occlusion of the left middle cerebral artery according to Longa's methods.
J Colloid Interface Sci
March 2024
Hypothesis: The coalescence of droplets with liquid-gas interfaces of different surface tensions is common in nature and industrial applications, where the Marangoni-driven film spreading is an essential process. Unlike immiscible fluids governed by triple contact line dynamics, the mixing between two miscible fluids strongly couples with the film spreading process, which are expected to manifest distinct power-law relations for the temporal increase in the film radius.
Experiments: We experimentally investigate the Marangoni-driven film spreading phenomenon for a droplet with lower surface tension dropping onto a miscible, thin liquid layer.
Background: Tranexamic acid (TA) is a new and promising drug for the treatment of melasma.
Objectives: This network meta-analysis aims to compare the efficacy and safety of various ways of administration of TA on melasma.
Methods: We collected researches from PubMed, EMBASE, Cochrane Library and Web of Science.
IEEE J Biomed Health Inform
July 2024
Wearable sensors provide a more effective means of activity monitoring and management by recording patients' daily activity data for assessing their daily function and rehabilitation progress, as well as providing a convenient and practical solution for human activity recognition (HAR). However, during the motor rehabilitation of stroke patients, sensors provide vast amounts of high-dimensional data that are large and complex. To enhance the accuracy of activity monitoring and identification, as well as address the limitations of real-time processing, data visualization, and tracking in conventional monitoring approaches, it is essential to perform valid data processing and analysis.
View Article and Find Full Text PDFCartilage has a limited ability to repair itself, highlighting the urgent need for suitable materials for cartilage regeneration. Achieving a balance between cell survival environment and hydrogel crosslinking density is crucial for photosensitive cell-laden cartilage repair materials to achieve both high strength and good cell viability. Here, an interpenetrating hydrogel consisted of methacrylate gelatin (GelMA) and glycidyl methacrylate silk fibroin (SG) was introduced.
View Article and Find Full Text PDFObjective: To explore the molecular mechanism of electrical stimulation with scalp acupuncture (ESA) in alleviating neuroinflammatory injury in ischemic stroke rats based on interferon γ (IFN-γ)-mediated Janus kinase/signal transduction and transcriptional activator 1 (JAK/STAT1) signaling pathway.
Methods: Fifty-six SD rats aged 7 weeks were randomly divided into normal, model, ESA and inhibitor groups, with 14 rats in each group. The middle cerebral artery embolization rat model was established by means of thread embolization.
J Colloid Interface Sci
December 2023
Hypothesis: The impact of droplets is prevalent in numerous applications, and jetting during droplet impact is a critical process controlling the dispersal and transport of liquid. New jetting dynamics are expected in different conditions of droplet impact on super-hydrophobic surfaces, such as new jetting phenomena, mechanisms, and regimes.
Experiments: In this experimental study of droplet impact on super-hydrophobic surfaces, the Weber number and the Ohnesorge number are varied in a wide range, and the impact process is analyzed theoretically.
Purpose: Volatile organic compounds (VOCs) have shown great potential as novel biomarkers for cancer detection; however, comprehensive quantitative analysis is lacking. In this study, we performed a bibliometric analysis of non-invasive cancer diagnosis using VOCs to better characterise international trends and to predict future hotspots in this field, and then we focussed on human studies to analyse clinical characteristics for presenting the current controversies and future perspectives of further clinical work.
Methods: Publications, from 2002 to 2022, were retrieved from the Web of Science Core Collection database.
The damage of corneal epithelium may lead to the formation of irreversible corneal opacities and even blindness. The migration rate of corneal epithelial cells directly affects corneal repair. Here, we explored ocu-microRNA 24-3p (miRNA 24-3p) that can promote rabbit corneal epithelial cells migration and cornea repair.
View Article and Find Full Text PDFDoxorubicin (DOX) is a commonly used antitumor drug, but its application has been limited because of its strong cardiac damage. This study aims to explore the role of NSUN2 in DOX-induced heart injury. C57BL/6J mice were intraperitoneally injected with 20 mg/Kg DOX to induce heart injury.
View Article and Find Full Text PDFThis study aims to analyze the current status and development trend of the prevention and treatment of pulmonary nodules(PN) with traditional Chinese medicine(TCM) based on knowledge map and to provide both references and suggestions for future research directions. CNKI, Wanfang, VIP, and SinoMed were searched for relevant papers from the inception to December 31, 2021. Eligible articles were included according to the inclusion and exclusion criteria.
View Article and Find Full Text PDFObjective: To observe the effect of scalp acupuncture on the expression of argarginine vasopressin receptor-1a(VR), phosphorylated calmodulin-dependent protein kinase Ⅱ(p-CaMKⅡ), and aquaporin 4(AQP) at hypothalamus in middle cerebral artery occlusion (MCAO) rats, so as to explore the molecular mechanisms of scalp acupuncture reducing encepha-ledema in acute ischemic stroke.
Methods: A total of 96 male SD rats were randomly divided into normal, model, inhibitor and scalp acupuncture groups, with 24 rats in each group. The MCAO model was established by thread occlusion method.
Background: The intracerebral hemorrhagic stroke (ICH) is associated with high mortality and severe disability in survivors, which causing about 42% of the disability-adjusted life years lost and 50% of all stroke patients dead within 1 year. Although early functional training is recommended to facility rehabilitation after the stroke, the benefit and safety are still controversial.
Introduction: This systematic review aims to investigate whether early physical rehabilitation could have a beneficial effect for the patients with ICH compared with standard rehabilitation care.
Lack of complete genomic information concerning (Fabaceae: Fabeae) precludes investigations of evolution and populational diversity of this perennial high-protein forage plant suitable for cultivation in extreme conditions. Here, we present the complete and annotated chloroplast genome of this important wild resource plant. chloroplast genome includes 76 protein-coding genes, 29 tRNA genes, 4 rRNA genes, and 1 pseudogene.
View Article and Find Full Text PDFProblem: Osteoarthritis (OA) is a chronic disease with a very high incidence and the pathology of which is quite complex. Epidemiological investigation showed that OA may be related to smoking and estrogen levels, but there are few studies focused on the cross-effect of these two factors. This research aims to investigate the molecular mechanism of nicotine and estrogen effects on chondrocytes to study the effect of smoking on the incidence of osteoarthritis in women.
View Article and Find Full Text PDFBackground: Heavy metal contamination is becoming a limitation to the utilization of soil and the distribution of vegetation. In particular, cadmium (Cd) pollution has had a serious impact on the food chain. Broussonetia papyrifera is a widely distributed pioneer tree species of heavy metal contaminated areas with important economic value.
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