Triple negative breast cancer (TNBC) is the most aggressive subtype in breast tumors. When re-analyzing TCGA breast cancer dataset, we found cell adhesion molecules are highly enriched in differentially expressed genes in TNBC samples, among which Focal Adhesion Kinase (FAK) is most significantly associated with poor survival of TNBC patients. FAK is precisely modulated in the focal adhesion dynamics.
View Article and Find Full Text PDFLiver fibrosis is characterized by excessive deposition of extracellular matrix (ECM) as a wound healing process. Activated hepatic stellate cells (HpSCs) are the major producer of the ECM and play a central role in liver fibrogenesis. It has been widely accepted that elimination of activated HpSCs or reversion to a quiescent state can be a feasible strategy for resolving the disease, further highlighting the urgent need for novel therapeutic targets.
View Article and Find Full Text PDFTwo bifunctional CdS-MOF composites have been designed and fabricated. The hybrids exhibited synergistic photocatalytic performance toward two cascade reactions under visible light integrating photooxidation activity of CdS and Lewis acids/bases of the MOF. The composite further promoted the photodegradation of dyes benefiting from effective electron transfer between the MOF and CdS.
View Article and Find Full Text PDFThe assembly of gigantic heterometallic metal clusters remains a great challenge for synthetic chemistry. Herein, based on the slow release strategy of lanthanide ions and in situ formation of lacunary polyoxometalates, two giant 3d-4f polyoxometalate inorganic clusters [LaNi W Sb P O (OH) ] (LaNi ) and [La Ni W Sb P O (OH) (H O) ] (La Ni ) are obtained. The nanoscopic inorganic cluster La Ni possesses a super tetrahedron structure, which can be viewed as assembly from four LaNi molecules encapsulating a central [La (SbO ) (H O) ] octahedron core.
View Article and Find Full Text PDFComposite materials with multifunctional properties usually possess synergetic effects in catalysis toward cascade reactions. In this work, a facile strategy to the encapsulation of octahedral Cu O nanocrystals (NCs) by metal-organic frameworks (MOFs) is reported, and an oriented growth of MOF enclosures (namely, HKUST-1) around Cu O NCs with desired feedstock ratio is achieved. The strategy defines the parameter range that precisely controls the etching rate of metal oxide and the MOF crystallization rate.
View Article and Find Full Text PDFNon-alcoholic fatty liver disease (NAFLD), the leading cause of chronic liver diseases worldwide, ranges from simple steatosis to steatohepatitis, with the risk for progressive fibrosis or even cirrhosis. While simple steatosis is a relatively benign condition, the buildup of toxic lipid metabolites can induce chronic inflammation, ultimately triggering disease progression. Pigment epithelium-derived factor (PEDF) is a secreted, multifunctional glycoprotein with lipid metabolic activities.
View Article and Find Full Text PDFPhotocatalytic reduction of CO to CO is a promising strategy for reducing atmospheric CO levels and storing solar radiation as chemical energy. Here, we demonstrate that a molecular catalyst [Ni(bpet)(HO)] successfully encapsulated into a highly robust and visible-light responsive metal-organic framework (Ru-UiO-67) to fabricate composite catalysts for photocatalytic CO reduction. The composite Ni@Ru-UiO-67 photocatalysts show efficient visible-light-driven CO reduction to CO with a TON of 581 and a selectivity of 99% after 20-h illumination, because of the facile electron transfer from Ru-photosensitizer to Ni(II) active sites in Ni@Ru-UiO-67 system.
View Article and Find Full Text PDFAims: To establish multiparametric radiomics of rectal tumor for the preoperative prediction of lymph node (LN) metastasis.
Materials And Methods: This prospective study consisted of 115 consecutive patients with rectal carcinoma between April 2015 and April 2017. The multiparametric radiomics scores were extracted from the endorectal ultrasound (ERUS), computed tomography (CT) and shear-wave elastography (SWE) features of the rectal tumor, LN, and peripheral tissues.
Background: Hot air drying and sun drying are traditional drying technologies widely used in the drying of agricultural products for a long time, but usually recognized as time-consuming or producing lower-quality products. Infrared drying is a rather effective drying technology that has advantages over traditional drying technologies. Thus, in order to investigate the application of infrared drying in the dehydration of red pepper, the drying characteristics and quality of infrared-dried red pepper were compared with those of sun-dried and hot air-dried red pepper.
View Article and Find Full Text PDFObjectives: The purpose of this study was to prospectively evaluate the value of sonography in working up or ruling out malrotation by 3 sonographic features (inversion of the superior mesenteric artery and superior mesenteric vein, the whirlpool sign, and an intraperitoneal transverse duodenum) and comparing it with an upper gastrointestinal (GI) contrast study.
Methods: A total of 70 pediatric patients who underwent detailed abdominal sonography to rule out intestinal malrotation were included. Twenty-three of them also underwent an upper GI contrast study.
OBJECTIVE. The purpose of this study was to determine an optimal multiparametric MRI protocol for characterizing tumors of low versus high grade and differentiating tumors as T1 versus T2 for preoperative staging of bladder urothelial carcinoma. SUBJECTS AND METHODS.
View Article and Find Full Text PDFZhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
May 2010
Objective: To investigate the appearance and clinical value of MRI in the diagnosis of embryonal rhabdomyosarcoma in nasal cavity and paranasal sinuses.
Methods: The clinical, pathological and MRI findings of five patients with pathology proved embryonal rhabdomyosarcoma in nasal cavity and paranasal sinuses were retrospectively analyzed.
Results: The major clinical symptoms included nasal obstruction (4 cases), exophthalmus (4 cases), decreased eyesight (2 cases), epistaxis (1 case), decreased olfactory sensation (1 case) and restriction of eyeball movement (1 case).
Zhongguo Zhen Jiu
October 2009
Objective: To compare therapeutic effects of acupuncture at local points of eye and western medicine on paralytic strabismus.
Methods: One hundred cases were randomly divided into an acupuncture group and a medication group. The acupuncture group (58 cases) was treated with acupuncture at local points of eye, Jingming (BL 1), Tongziliao (GB 1), Shangming (Extra) etc.
Guang Pu Xue Yu Guang Pu Fen Xi
November 2008
Ninety eight representative fresh mutton samples from Neimeng, Ningxia, Gansu, Xinjiang province were selected for this study, the nondestructive measurement of the fresh mutton tenderness by Fourier transform near infrared (FT-NIR) spectroscopy was discussed. Partial least squares(PLS) algorithm was used to build the model between the shear force value of the fresh mutton tenderness measured by the texture machine and the FT-NIR spectra. The influence of different processing method of spectra, factors and wave regions on the determination coefficients (r2), root mean square error of cross validation (RMSECV) and root mean square error of prediction (RMSEP) was studied.
View Article and Find Full Text PDFXi Bao Yu Fen Zi Mian Yi Xue Za Zhi
December 2007
Aim: To investigate the functional mechanism of CIK cells or ovarian carcinoma cell lines SKOV3/CDDP.
Methods: The changes of ultramicrostructure, cell cycle, apoptosis, expression of multidrug resistance-associated protein (MDR1, Topo-IIbeta) and other molecules (hB7-1, hB7-2, MHCIb, HLA-DR) of SKOV3/CDDP cells treated with or without CIK cells were detected by electron microscope, MTT and FCM. The changes of cytokine (IL-2, TNF-alpha, IFN-gamma, GM-CSF) in sera of SCID mice bearing SKOV3/CDDP cells were detected by radioimmunit and ELISA.
Objective: To establish an artificial somatic-autonomic reflex arc in rats and observe the following distributive changes of neural fibers in the bladder.
Methods: Adult Sprague-Dawley rats were randomly divided into three groups: control group, spinal cord injury (SCI) group, and reinnervation group. DiI retrograde tracing was used to verify establishment of the model and to investigate the transport function of the regenerated efferent axons in the new reflex arc.
Objective To investigate the role of poly-lactic acid and agarose gelatin in promoting the functional recovery of the injured spinal cord. Methods Poly-lactic acid (PLA) or agarose was embedded in the space between two stumps of the hemisectioned spinal cord. Immunohistochemistry was used to show astroglia proliferation and the infiltration of RhoA-positive cells.
View Article and Find Full Text PDFZhonghua Yu Fang Yi Xue Za Zhi
November 2005
Objective: To find out the prevalence of sleep disturbances for children aged 2 to 12 years old in Chengdu.
Methods: Totally 1 600 children aged 2-12 years old were selected from 5 districts in Chengdu and investigated by using questionnaire.
Results: All 1 526 survey papers were returned.