Background: The efficacy of SARS-CoV-2 vaccines in preventing severe COVID-19 illness and death is uncertain due to the rarity of data in individual trials. How well the antibody concentrations can predict the efficacy is also uncertain. We aimed to assess the efficacy of these vaccines in preventing SARS-CoV-2 infections of different severities and the dose-response relationship between the antibody concentrations and efficacy.
View Article and Find Full Text PDFBackground: Previous studies indicated that glucosamine supplements may have a general anticancer effect. This study aimed to assess whether the potential effect differs across different types of cancers in a large prospective cohort study.
Methods: All participants from the UK Biobank who were free of cancers and had complete information on glucosamine use at baseline were included and followed up from 2006 until 2021.
Objective: This study aimed to describe, optimize and evaluate a method for preparing multivalent conjugate vaccines by simultaneous conjugation of two different bacterial capsular polysaccharides (CPs) with tetanus toxoid (TT) as bivalent conjugates.
Methods: Different molecular weights (MWs) of polysaccharides, activating agents and capsular polysaccharide/protein (CP/Pro) ratio that may influence conjugation and immunogenicity were investigated and optimized to prepare the bivalent conjugate bulk. Using the described method and optimized parameters, a 20-valent pneumococcal conjugate vaccine and a bivalent meningococcal vaccine were developed and their effectiveness was compared to that of corresponding licensed vaccines in rabbit or mouse models.
Background: Gynecologic cancers are among the most prevalent malignancies in China. Cervical and uterine cancer respectively account for the sixth and eighth highest incidence of cancer among Chinese women. Abdominal surgery is one of the important treatment methods for gynecological tumors.
View Article and Find Full Text PDFBackground: The global pandemic coronavirus disease 2019 (COVID-19) has become a major public health problem and presents an unprecedented challenge. However, no specific drugs were currently proven. This study aimed to evaluate the comparative efficacy and safety of pharmacological interventions in patients with COVID-19.
View Article and Find Full Text PDFObjective: To evaluate the effects of incretin-based therapies on body weight as the primary outcome, as well as on body mass index (BMI) and waist circumference (WC) as secondary outcomes.
Methods: Databases including Medline, Embase, the Cochrane Library, and clinicaltrials.gov (www.
Food Sci Biotechnol
December 2017
The aim of this study was to explore the neuritogenic effects of aqueous extracts from the fruiting bodies of (MEA). 3-(4, 5-dimethythiazol-2-yl)-2, 5-diphenyltetrazolium bromide (MTT) assay was carried out to assess the cytotoxicity of MEA. Neurite outgrowth stimulation assay was used to evaluate the potentiation of neuritogenic activity induced by MEA.
View Article and Find Full Text PDFUsing the negative pressure sampling method, the concentrations and spectral characte-ristics of dissolved organic matter (DOM) of soil solution were studied at 0-15, 15-30, 30-60 cm layers in Castanopsis carlesii forest (BF), human-assisted naturally regenerated C. carlesii forest (RF), C. carlesii plantation (CP) in evergreen broad-leaved forests in Sanming City, Fujian Pro-vince.
View Article and Find Full Text PDFEucalyptus oil possesses a wide spectrum of biological activity, including anti-microbial, fungicidal, herbicidal, acaricidal and nematicidal properties. We studied anti-fungal activities of the leaf oil extracted from Eucalyptus. grandis × E.
View Article and Find Full Text PDFKallistatin, an endogenous protein, consists of two structural elements: active site and heparin-binding domain. Kallistatin exerts beneficial effects on fibrosis by suppressing transforming growth factor (TGF)-β synthesis in animal models. TGF-β is the most potent inducer of endothelial-mesenchymal transition (EndMT), which contributes to fibrosis and cancer.
View Article and Find Full Text PDFBeijing Da Xue Xue Bao Yi Xue Ban
June 2015
Objective: To investigate the use of simple pooling and bivariate model in meta-analyses of diagnostic test accuracy (DTA) published in Chinese journals (January to November, 2014), compare the differences of results from these two models, and explore the impact of between-study variability of sensitivity and specificity on the differences.
Methods: DTA meta-analyses were searched through Chinese Biomedical Literature Database (January to November, 2014). Details in models and data for fourfold table were extracted.
Introduction: Kallistatin levels in the circulation are reduced in patients with sepsis and liver disease. Transgenic mice expressing kallistatin are resistant to lipopolysaccharide (LPS)-induced mortality. Here, we investigated the effect of kallistatin on survival and organ damage in mouse models of established sepsis.
View Article and Find Full Text PDFYing Yong Sheng Tai Xue Bao
November 2014
In order to understand the diversity and community structure of endophytic bacteria in Tricholoma matsutake, 14 Tricholoma matsutake samples were collected from 7 main production counties of Xiaojin, Yajiang, Muli, Yanyuan, Yanbian, Huidong and Mianning. The entophytic bacterial community structure and diversity were investigated by PCR denaturing gradient gel electrophoresis (PCR-DGGE). The results showed that the diversity and community structure of endophytic bacteria in T.
View Article and Find Full Text PDFBackground: To evaluate the efficacy and safety of latanoprost compared with timolol in the treatment of Asian patients with chronic angle-closure glaucoma (CACG).
Methods: Relevant trials were identified through systematic searches of Medline, EMBASE, PubMed, Cochrane Library, Google Scholar and several Chinese databases. The main outcome measures included absolute and relative reduction of intraocular pressure (IOP) at mean, peak and trough from baseline, ocular adverse effects and systemic adverse events.
Zhonghua Bing Li Xue Za Zhi
September 2013
Objective: To investigate the clinicopathologic features, immunophenotype, diagnosis and differential diagnosis, and prognostic factors of testicular diffuse large B-cell lymphoma (DLBCL).
Methods: The clinical and pathologic profiles of 58 cases of testicular DLBCL were investigated.Immunohistochemical stainings and EBER1/2 in situ hybridization were performed on formalin fixed tissues.
An acyl-CoA-Δ9 desaturase from Saccharomyces cerevisiae was expressed by subcellular-targeting in soybean (Glycine max) seeds with the goal of increasing palmitoleic acid (16:1Δ9), a high-valued fatty acid (FA), and simultaneously decreasing saturated FA in oil. The expression resulted in the conversion of palmitic acid (16:0) to 16:1Δ9 in soybean seeds. 16:1Δ9 and its elongation product cis-vaccenic acid (18:1Δ11) were increased to 17 % of the total fatty acids by plastid-targeted expression of the enzyme.
View Article and Find Full Text PDFEnviron Toxicol Pharmacol
March 2013
Neem (Azadirachta indica), popularly known as traditional medicine is a native plant in India. Neem oil is a vegetable oil derived from seeds or fruits of the neem tree through pressing or solvent extraction, and largely used in popular medicine to have antifungal, antibacterial, antimalarial, antiparasitic, anti-inflammatory, as well as immunemodulatory properties in different animal species. In the present study, acute and 28-day subacute toxicity tests were carried out.
View Article and Find Full Text PDFSichuan Da Xue Xue Bao Yi Xue Ban
November 2011
Objective: To investigate the anti-tumor activity of two wild Amanita strains, and to determine the inhibition ratio of their effective chemical components on tumor cells in vitro.
Methods: Two wild Amanita strains collected in Sichuan province were identified through morphology and molecular methods. The chemical components from the fruit body of the two strains were extracted with petroleum ether, chloroform, methanol and water.
Seven cases of testicular extranodal natural killer (NK)/T-cell lymphoma, nasal type, are reported, with a literature review. Two patients had a testicular lesion as the initial presentation, four had a history of nasal NK/T-cell lymphoma and the remaining patient had concomitant involvement of an adrenal gland. All patients underwent orchiectomy followed by chemotherapy (CT) and/or radiotherapy (RT).
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