Background: Endothelial dysfunction can lead to various harmful cardiovascular complications. The importance of galectin-3 (Gal-3) has been proposed in some cardiac diseases related to chronic inflammation. However, its role in hypertension-induced endothelial dysfunction remains unclear.
View Article and Find Full Text PDFBackground: Robotic-assisted total knee arthroplasty (RATKA) has been reported to enhance operative decision-making. The purpose of this study was intended to assess the predictive accuracy of bone cuts, lower limb alignment, and component size of a novel system for RATKA preoperatively and intraoperatively.
Methods: Preoperatively planned bone cuts, limb alignment, and component size were projected using a reconstructed 3D model.
Purpose: The aim of this study was to analyze the learning curve of total operative time, bone cutting accuracy, and limb alignment in total knee arthroplasty (TKA) using a Chinese image-based knee surgery robot known as HURWA. Additionally, a comparison was conducted with conventional TKA to ascertain the benefits of robotic-assisted TKA.
Methods: In this retrospective study, we analyzed a series of patients (n = 90) who underwent robotic-assisted total knee arthroplasty using the HURWA robot between December 2021 and October 2022.
Introduction: Nematodes of the genus are commonly reported parasites that can cause trichuriasis in many animals, which leads to inflammation, intestinal bleeding and reductions of productivity in livestock. Knowledge of the prevalence of infestation in the Tianshan ovine population and of the nematode species parasitising the population is not exhaustive, and this study aimed to expand the knowledge.
Material And Methods: A total of 1,216 sheep slaughtered in five pasture areas in the Tianshan Mountains of Xinjiang were investigated and a phylogenetic analysis based on the mitochondrial gene was performed to clarify the genetic relationships of the various species.
Introduction: Coronavirus disease-2019 (COVID-19) has affected more than 608 million people and has killed 6.5 million people in the world. A few studies showed traditional Chinese medicine can be beneficial for COVID-19 treatment.
View Article and Find Full Text PDFTerritorial animals show less aggression during intrusion by neighbours than by strangers, a phenomenon known as the "dear enemy effect". Recent studies have shown that the dear enemy effect is variable in some birds throughout the breeding season. However, there is limited research on changes in dear enemy effects in songbirds during the breeding season.
View Article and Find Full Text PDFBackground: A hypertensive crisis is a medical emergency that causes acute damage to multiple organs. However, the etiology, clinical features, and prognosis of hypertensive crisis in Chinese children remain relatively unknown. The purpose of this study was to analyze the clinical characteristics of pediatric hypertensive crisis patients from a single center in China.
View Article and Find Full Text PDFCognitive dysfunction is a common symptom in Parkinson's disease (PD). Serotonin4 (5-HT) receptors are richly expressed in the dorsal hippocampus (dHIPP) and play an important role in cognitive activities. However, the mechanism underlying the role of dHIPP 5-HT receptors in PD-related cognitive dysfunction remains unclear.
View Article and Find Full Text PDFBackground: The identification of post pulmonary vein isolation (PVI) gaps by activation and voltage maps is time-consuming. This study aimed to investigate the characteristics, efficiency and accuracy of LiveView dynamic display module (EnSite™ Dynamic Display; Abbott, Abbott Park, IL, USA) in unmasking post PVI gaps and conduction block line.
Method: Twenty four patients with paroxysmal atrial fibrillation (PAF) who failed to achieve first-pass PVI or with recurrent PAF were enrolled.
Background: Limb length discrepancy (LLD) is one of the most common postoperative complications and can cause serious consequences. Poor recovery of femoral offset (OD) will result in weakness of the patient's external rotator muscles and affect the patient's postoperative function. The study is aimed to present a simple approach that compensates for the shortcomings of previous measuring devices and combines the advantages of different measuring devices to provide more accurate limb length and femoral offset restoration in total hip arthroplasty (THA).
View Article and Find Full Text PDFBackground: As many researchers have focused on promoting the graft-bone healing of artificial ligaments, even with numerous chemical coatings, identifying a biosafe, effective, and immediately usable method is still important clinically.
Purpose: (1) To determine whether a low-intensity pulsed ultrasound system (LIPUS) promotes in vitro cell viability and osteogenic differentiation and (2) to assess the applicability and effectiveness of LIPUS in promoting the graft-bone healing of artificial ligaments in vivo.
Study Design: Controlled laboratory study.
Knee osteoarthritis (KOA) is a highly prevalent, chronic joint disorder, and it is a typical disease which can develop chronic pain. Our previous study has proved that endocannabinoid (2-AG)-CB1R-GABA-5-HT pathway is involved in electroacupuncture (EA) mediated inhibition of chronic pain. However, it is still unclear which among the 5-HT receptor subtype is involved in EA evoked 5-HT mediated inhibition of chronic pain in the dorsal spinal cord.
View Article and Find Full Text PDFIn this work, we employed an asymmetric auxiliary organic ligand (1,1,1-trifluoroacetylacetone, Htfac) to further regulate the magnetic relaxation behavior of series of Dy single-molecule magnets (SMMs) with a 1,3-bis(3-methoxysalicylidene)diethylenetriamine (HL) ligand. Fortunately, an air-stable Dy complex, [Dy(L)(tfac)] (; Htfac = 1,1,1-trifluoroacetylacetone) was obtained at room temperature. A structural analysis indicated that some Dy-O or Dy-N bond lengths for are not in the range of those for the complexes [Dy(L)(acac)]·2CHCl (; Hacac = acetylacetone) and [Dy(L)(hfac)] (; Hhfac = hexafluoroacetylacetone), although the electron-withdrawing ability of tfac is stronger than that of acac but weaker than that of hfac.
View Article and Find Full Text PDFIn this work, we first synthesized a Zn-Dy complex, [ZnDy(L)(tea)(CHOH)]·6CHOH·8HO (HL = -3-methoxysalicylidene-2-amino-3-hydroxypyridine, teaH = triethanolamine, ), by employing HL, anhydrous ZnCl, and Dy(NO)·5HO reacting with auxiliary ligand teaH in the mixture of CHOH and DMF. When teaH and the solvent CHOH in the reaction system of were replaced by the auxiliary ligand 2,6-pyridinedimethanol (pdmH) and the solvent MeCN, another Zn-Dy complex, [ZnDy(L)(pdm)(pdmH)]·10CHCN·5HO (), was obtained. For , its crystal structure can be viewed as a dimer of two ZnDy units.
View Article and Find Full Text PDFIntroduction: The scale-up of Universal Test and Treat has resulted in reductions in HIV morbidity, mortality and incidence. However, healthcare system and personal challenges have impacted the levels of treatment coverage achieved. We implemented interventions to improve linkage to care, retention, viral load (VL) coverage and service delivery, and describe the HIV care cascade over the course of the Botswana Combination Prevention Project (BCPP) study.
View Article and Find Full Text PDFDepression is a common non-motor symptom in Parkinson's disease (PD). Although serotonin4 (5-HT) receptors and the dorsal hippocampus (dHIP) are regarded to be involved in the depression, the mechanism underlying the effects of 5-HT receptors in the dHIP on PD-related depression should be further investigated. In the present study, unilateral 6-hydroxydopamine lesions of the medial forebrain bundle (MFB) increased the expressions of 5-HT receptors and its co-localization with glutamate neurons in the CA1, CA3 and dentate gyrus.
View Article and Find Full Text PDFProgressive resistance training (PRT) is one of the most commonly used exercise methods after joint replacement, while its effectiveness and safety are still controversial. Therefore, it's vital to investigate the effect of PRT on muscle strength and functional capacity early postoperative total hip arthroplasty (THA) or total knee arthroplasty (TKA). Relevant studies were identified via a search of Medline, Web of science and Cochrane Library from 2002 to 12 May 2020.
View Article and Find Full Text PDFIron overload has been found very common in diseases such as hereditary hemochromatosis, thalassemia, and sickle cell disease and in healthy postmenopausal women. Recent studies have shown that iron overload is considered an independent risk factor for osteoporosis. Studies have demonstrated that iron overload could induce apoptosis and inhibit viability in osteoblasts.
View Article and Find Full Text PDFFront Med (Lausanne)
August 2020
With the spread of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, the incidence of coronavirus disease (COVID-19) increases each day. To date, there is no specific anti-SARS-CoV-2 drug. The usual approach to treating COVID-19 is treating its symptoms.
View Article and Find Full Text PDFBackground: The 5-hydroxytryptamine (5-HT) neurotransmitter system and lateral habenula (LHb) are involved in the regulation of depression, while the mechanisms remain to be clarified.
Objectives: The effects and possible mecha-nism underlying activation or blockade of 5-HT4 receptors (5-HT4Rs) in the LHb in depression were investigated by behavioral and neurochemical methods based on a Parkinson's disease (PD) rat model.
Method: 6-Hydroxydopamine (6-OHDA) was injected unilaterally into the substantia nigra pars compacta to establish the PD rat model.
Introduction: In our study we aimed to investigate the mechanism of Wnt inhibitory factor 1 (WIF1) on regulating chondrocyte proliferation and apoptosis via reactive oxygen species (ROS) and the Wnt/βcatenin signaling pathway in osteoarthritis (OA).
Material And Methods: Osteoarthritis chondrocytes were treated with interleukin 1β (IL-1β) to simulate an inflammatory condition. Quantitative real-time polymerase chain reaction (qRT-PCR) and western blot were applied for detecting WIF1 expression in OA chondrocytes.
Apoptosis of osteoblasts plays a crucial role in osteomyelitis. Hydrogen sulfide (HS) levels are increased in the pathophysiological processes of osteomyelitis. However, the effect of HS on the apoptosis of osteoblasts remains unclear.
View Article and Find Full Text PDFBackground: Depression is one of the most common neuropsychiatric disturbances in Parkinson's disease (PD), but its pathophysiology is not definite. Lines of evidence have indicated that the hippocampus and serotonin 1A (5-HT1A) receptors are related to the regulation of depression.
Objective: The purpose of the present study was to observe the effect of 5-HT1A receptors in the dorsal hippocampus (dHIP) on PD-related depression in rats.
Introduction: Non-citizens often face barriers to HIV care and treatment. Quantifying knowledge of positive HIV status and antiretroviral therapy (ART) coverage among non-citizens in a high HIV-prevalence country like Botswana that is close to achieving UNAIDS "90-90-90" targets may expose important gaps in achieving universal HIV testing and treatment.
Methods: The Botswana Combination Prevention Project (BCPP) is a pair-matched cluster-randomized trial evaluating the impact of prevention interventions on HIV incidence in 30 rural or peri-urban communities.