Background: Visceral leishmaniasis (VL) is a parasitic disease caused by and transmitted by infected sand flies. VL has a low incidence in China, and its clinical presentation is complex and atypical. This disease is easily misdiagnosed and can become life-threatening within a short period of time.
View Article and Find Full Text PDFZhongguo Shi Yan Xue Ye Xue Za Zhi
October 2020
Objective: To investigate the effect of dasatinib on the expansion of NK cells in vitro, as well as the subsets, receptor expression and cytotoxic function of NK cells.
Methods: Peripheral blood mononuclear cells (PBMCs) were isolated from healthy adult volunteers and cultured with SCGM added IL-2 and IL-15 for expansion of NK cells. In this culture system, dasatinib of different concentrations were added.
Background: Graft-versus-host disease (GVHD) is one of the most complex complications after allogeneic stem cell transplantation. Current standard of grading system is based on clinical symptoms in skin, liver and intestinal. However, it's difficult to differ GVHD and its extent just by clinical manifestation.
View Article and Find Full Text PDFObjective: To contrast the clinical effects and complications for the treatment of large B-cell lymphoma between autologous stem cell transplantation and chemotherapy.
Methods: Multiple databases were searched to identify relevant studies. Articles that met the inclusion criteria were included.
Zhongguo Zhong Yao Za Zhi
February 2016
Based on the near infrared spectroscopy, partial least square (PLS) method was used to respectively develop the quantitative calibration models to fast measure the contents of the total solid and ferulic acid in extraction process of Tianshu capsule extracts. The results showed that in the quantitative model of solid content, the correlation coefficients (R²) of calibration set and cross validation set were 0.967 301 and 0.
View Article and Find Full Text PDFResponse surface methodology was used to optimize and obtain the optimal flash-type extraction technology of alisol B 23-acetate from Alismatis Rhizoma. With the extraction rate of alisol B 23-acetate as an indicator, single-factor test was used to investigate the effect of ethanol volume fraction, liquid-solid ratio, extraction times and extracting time on the extraction rate of alisol B 23-acetate.The results were combined with Box-Benhnken design and response surface analysis to optimize the technology parameters for extraction process of Alismatis Rhizoma and obtain the optimal flash-type extraction technology under the following conditions: ethanol volume fraction 80%, liquid-solid ratio 12∶1, extraction 4 times, 114 s/time.
View Article and Find Full Text PDFA reasonable method for the quality control of tablets of Ginkgo biloba leaves was established in this paper. The total flavonol glycosides and terpene lactones of G. biloba tablets were quantified by HPLC.
View Article and Find Full Text PDFAcquisition of transition metals is central to the struggle between a bacterial pathogen and its mammalian host. Previous studies demonstrated that Treponema pallidum encodes a cluster-9 (C9) ABC transporter (troABCD) whose solute-binding protein component (TroA) ligands Zn(2+) and Mn(2+) with essentially equal affinities. Bioinformatic analysis revealed that T.
View Article and Find Full Text PDFZhejiang Da Xue Xue Bao Yi Xue Ban
May 2004
Objective: To investigate the influence of chronic epilepsy on spatial memory retrieval in rats, and to evaluate the effects of TAK-147, an acetylcholinesterase inhibitor, and histidine, the precursor of histamine, on the amnesia induced by epilepsy.
Methods: After successfully trained in the 8-arm (4-arm baited) radial maze, the rats were ip injected with a subconvulsive dose of pentylenetetrazole (PTZ) every 48 h until fully kindled. Memory retrieval was tested at the same maze.