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Ding GY, Xu WG, Guo S, Zhan QQ, Yang X, Jia CL. [Effect of RNA interference targeting neuropilin-2 gene on proliferation and apoptosis of colon cancer cell line HCT-8]. ZHONGHUA YI XUE ZA ZHI 2020; 100:3879-3883. [PMID: 33371635 DOI: 10.3760/cma.j.cn112137-20200519-01582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the effects of down-regulation of expression of neuropilin-2 (NRP-2) by RNA interference (RNAi) technique on proliferation and apoptosis of HCT-8 colon cancer cells. Methods: NRP2-siRNA and negative control (NControl)-siRNA were transferred into HCT-8 colon cancer cells by liposomes (lip2000) as transfection group and negative control group, and phosphate buffered solution (PBS) was added as blank control group. Quantitative reverse transcription PCR (RT-qPCR) and Western blot were used to detect the transfection effect. The proliferation of cells in the three groups was examined by cell counting kit (CCK) assay, colony-forming unit assay and Ki-67 protein staining assay, respectively. Moreover, the apoptosis of cells in the three groups was determined by acridine orange/propranidine iodide (AO/PI) staining method. Results: The results of RT-qPCR and Western blot showed that the relative expression of NRP-2 mRNA and the content of NRP-2 protein in the transfer group decreased (0.46±0.05 vs 0.99±0.05 and 1.00±0.06; 1.04±0.06 vs 1.73±0.09 and 1.65±0.11) (all P<0.05). The results of CCK-8 demonstrated that the optical density of transfection group was significantly lower than that of the negative control group and the blank control group(24 h: 0.53±0.04 vs 0.82±0.07 and 0.87±0.07; 48 h: 0.54±0.05 vs 1.00±0.09 and 1.17±0.05; 72 h: 0.75±0.05 vs 1.31±0.13 and 1.50±0.03; 96 h:1.05±0.04 vs 1.46±0.09 and 1.86±0.06) (all P<0.05). The results of colony-forming unit assay indicated that the proliferation ability of the cells in the transfer group was significantly lower than that in the other two groups (134.67±8.74 vs 245.33±19.14 and 300.33±14.01, P<0.05). The results of Ki-67 protein staining assay showed that compared with the negative control group and blank control group, the expression of Ki-67 protein was significantly decreased in the transfection group (5.93±0.22 vs 8.36±0.09 and 8.70±0.21, P<0.05). The results of AO/PI assay revealed that the ratio of apoptotic cells to living cells in the transfer group was significantly higher than that in the other two groups (0.43±0.07 vs 0.14±0.04 and 0.11±0.04, P<0.05). Conclusion: The proliferation ability of HCT-8 colon cancer cells decreases, and the apoptosis ability increases by decreasing the expression of NRP-2.
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Liu X, He Q, Liang Z, Wu H, Li Y, Zhang Z, Yu L, Dai M, Guo S, Jin G, Shen S, Su Z, Ma C, Xie Z, Liu R. 118MO Circulating tumour DNA methylation are markers for early detection of pancreatic ductal adenocarcinoma (PDAC). Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.10.139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Wang W, Sang Y, Liu J, Liang X, Guo S, Liu L, Yuan Q, Xing C, Pan S, Wang L. Identification of novel monoclonal antibodies targeting the outer membrane protein C and lipopolysaccharides for Escherichia coli O157:H7 detection. J Appl Microbiol 2020; 130:1245-1258. [PMID: 32910517 DOI: 10.1111/jam.14849] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 08/27/2020] [Accepted: 09/02/2020] [Indexed: 12/14/2022]
Abstract
AIMS To identify and evaluate the application of two novel monoclonal antibody (mAb) 2G12 against outer membrane protein (Omp) C and mAb 12B1 targeting the O chain of the lipopolysaccharides (LPS) of Escherichia coli O157:H7 (ECO157). METHODS AND RESULTS The sensitivity and specificity of these two antibodies were evaluated with eight ECO157 strains and 68 untargeted strains. mAb 2G12 and 12B1 had no detectable binding with any of the non-O157 strains at 6·0 log10 CFU per ml, while its high specificity and affinity remained with all ECO157 strains. When a higher level (8·0 log10 CFU per ml) was tested, 2G12 and 12B1 did not react with 82·35 and 97·06% of the non-O157 strains respectively. Based on the pair of two antibodies, the sandwich enzyme-linked immunosorbent assay detected 100% (8/8) of ECO157 strains and none of the non-ECO157 strains. The detection limit of ECO157 strains in pure culture were 4·2 ± 0·2 log10 CFU per ml. When the developed test was applied to artificially inoculated beef samples, the detection limit was 6·0 log10 CFU per gram without enrichment and 1·0 log10 CFU per gram after 12 h of enrichment. CONCLUSIONS The two novel antibodies identified in this study served as great candidates for the recovery, and detection of ECO157 from different environmental and food samples. SIGNIFICANCE AND IMPACT OF THE STUDY ECO157-specific detection was improved by a combination of the novel OmpC mAb and LPS mAb with defined target antigen and good specificity.
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Su P, Guo S, Roys S, Maier F, Bhat H, Melhem ER, Gandhi D, Gullapalli RP, Zhuo J. Transcranial MR Imaging-Guided Focused Ultrasound Interventions Using Deep Learning Synthesized CT. AJNR Am J Neuroradiol 2020; 41:1841-1848. [PMID: 32883668 DOI: 10.3174/ajnr.a6758] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 07/05/2020] [Indexed: 01/12/2023]
Abstract
BACKGROUND AND PURPOSE Transcranial MR imaging-guided focused ultrasound is a promising novel technique to treat multiple disorders and diseases. Planning for transcranial MR imaging-guided focused ultrasound requires both a CT scan for skull density estimation and treatment-planning simulation and an MR imaging for target identification. It is desirable to simplify the clinical workflow of transcranial MR imaging-guided focused ultrasound treatment planning. The purpose of this study was to examine the feasibility of deep learning techniques to convert MR imaging ultrashort TE images directly to synthetic CT of the skull images for use in transcranial MR imaging-guided focused ultrasound treatment planning. MATERIALS AND METHODS The U-Net neural network was trained and tested on data obtained from 41 subjects (mean age, 66.4 ± 11.0 years; 15 women). The derived neural network model was evaluated using a k-fold cross-validation method. Derived acoustic properties were verified by comparing the whole skull-density ratio from deep learning synthesized CT of the skull with the reference CT of the skull. In addition, acoustic and temperature simulations were performed using the deep learning CT to predict the target temperature rise during transcranial MR imaging-guided focused ultrasound. RESULTS The derived deep learning model generates synthetic CT of the skull images that are highly comparable with the true CT of the skull images. Their intensities in Hounsfield units have a spatial correlation coefficient of 0.80 ± 0.08, a mean absolute error of 104.57 ± 21.33 HU, and a subject-wise correlation coefficient of 0.91. Furthermore, deep learning CT of the skull is reliable in the skull-density ratio estimation (r = 0.96). A simulation study showed that both the peak target temperatures and temperature distribution from deep learning CT are comparable with those of the reference CT. CONCLUSIONS The deep learning method can be used to simplify workflow associated with transcranial MR imaging-guided focused ultrasound.
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Krafft C, Guo S, Bocklitz T, Popp J, Bronsert P, Miernik A. Raman Spectroscopy to Characterize Bladder Tissue for Multidimensional Diagnostics of Cancer in Urology. CURRENT DIRECTIONS IN BIOMEDICAL ENGINEERING 2020. [DOI: 10.1515/cdbme-2020-3063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Fiber optic Raman spectroscopy offers labelfree identification of cancer in the bladder under in vivo conditions. However, state-of-the-art Raman technology does not enable to scan the entire bladder wall. Our multidimensional approach within the project Uro-MDD combines panoramic 3D-image reconstruction of white light cystoscopy and fluorescence lifetime imaging to define regions of interest for Raman-assisted diagnostics. First Raman results are presented from human control and cancer bladder specimens that demonstrated how to obtain specific molecular information. Such Raman images can be used in a clinical setting to determine cancer margins and the resection status. Fiber probes are under development to translate the technique to in vivo screening.
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Liu X, He Q, Su Z, Guo S, Liang Z, Jin G. 1211P Early detection of pancreatic ductal adenocarcinoma (PDAC) using methylation signatures in circulating tumour DNA. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Feng Y, Guo S, Jacob J, Sagaut P. Grid refinement in the three-dimensional hybrid recursive regularized lattice Boltzmann method for compressible aerodynamics. Phys Rev E 2020; 101:063302. [PMID: 32688460 DOI: 10.1103/physreve.101.063302] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Accepted: 05/05/2020] [Indexed: 11/06/2022]
Abstract
Grid refinement techniques are of paramount importance for computational fluid dynamics approaches relying on the use of Cartesian grids. This is especially true of solvers dedicated to aerodynamics, in which the capture of thin shear layers require the use of small cells. In this paper, a three-dimensional grid refinement technique is developed within the framework of hybrid recursive regularized lattice Boltzmann method (HRR-LBM) for compressible high-speed flows, which is an efficient collide-stream-type method on a compact D3Q19 stencil. The proposed method is successfully assessed considering several test cases, namely, an isentropic vortex propagating through transition interface, shock-vortex interaction with intersection between grid refinement interface and shock corrugation, and transonic flows over three-dimensional DLR-M6 wing with seven levels of grid refinement.
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Guo S, Zhao Y, Wang C, Jiang H, Cheng GJ. A Single-Atomic Noble Metal Enclosed Defective MOF via Cryogenic UV Photoreduction for CO Oxidation with Ultrahigh Efficiency and Stability. ACS APPLIED MATERIALS & INTERFACES 2020; 12:26068-26075. [PMID: 32407088 DOI: 10.1021/acsami.0c06898] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Noble metal single-atom catalysts (SACs) can provide maximized interaction with the reactants and tunable electronic structure dictated by the coordinated support, thus enabling unprecedented high activity at a reduced noble metal cost. However, the practical utilization of SACs that enabled heterogeneous catalysis has the bottlenecks in high manufacturing cost, low catalytic efficiency, and low atomic utilization of metals due to poor porosity of supporting structures, low affinity between SACs and supports, and high-temperature synthesis involved. A scalable and low-energy consumption synthesis of SACs strongly coordinated with an atomically designed 3D nanostructure is needed to realize higher catalytic efficiency and atomic utilization efficiency. Here, a facile synthesis strategy is developed by applying low-cost cerous MOF (Ce-MOF) with tailored defects across the porous and crystalline structure. SACs (Pt) synthesized by cryogenic photoreduction can be enclosed at the defects in Ce-MOF. Due to the uniform dispersion and the unique electronic hybridization with Ce-MOF, the conjugated catalyst with a low weight content of 0.12 wt % exhibited 100% conversion of CO at a low temperature of 150 °C, consuming only 10% of Pt required by state-of-the-art catalysts operating under the same conditions, standing as the most effective catalyst reported to date.
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Piao HY, Guo S, Wang Y, Zhang J. Exosome-transmitted lncRNA PCGEM1 promotes invasive and metastasis in gastric cancer by maintaining the stability of SNAI1. Clin Transl Oncol 2020; 23:246-256. [PMID: 32519176 DOI: 10.1007/s12094-020-02412-9] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 05/25/2020] [Indexed: 12/13/2022]
Abstract
PURPOSE Clinically, hypoxia is associated with increased distant metastasis and poor survival in gastric cancer (GC). In this study, we set out from the cellular interaction to further explain the molecular mechanism of invasion in GC cells under hypoxic conditions. METHODS Gastric cancer cells were cultured under 1% O2 (hypoxia-cultured gastric cancer cells, HGC) and 20% O2 condition (normoxic-cultured gastric cancer cells, NGC). NGC was co-cultured with HGC-medium. Scrape and Transwell were used to evaluate invasion and migration. Exosomes from GC were extracted by ultracentrifugation. Electron microscopy images, western-blot used to analyze the size distributions and the number of exosomes. RESULTS HGC-medium induced NGC dissociated. Long non-coding RNA (lncRNA) prostate cancer gene expression marker 1 (PCGEM1) was specifically expressed in HGC exosomes. HGC-derived PCGEM1-riched exosomes could promote the invasion and migration of NGC. On the mechanism, PCGEM1 maintained stability and reduced the degradation of SNAI1, which could induce the epithelial-mesenchymal transition of GC. CONCLUSION LncRNA PCGEM1 was overexpressed in GC cells. And part of the PCGEM1 can be encapsulated into exosomes. These exosomes promoted invasion and migration of other GC cells. We considered PCGEM1 might act as a "scaffold" combined with SNAI1 and prompt the invasion and migration of GC.
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Pi Y, He KZ, Zhang WQ, Dong ZQ, Jiang FG, Jiang KJ, Guo S. [Complexity of Detecting CRISPR/Cas9-Mediated Homologous Recombination in Zebrafish]. Mol Biol (Mosk) 2020; 54:435-444. [PMID: 32492006 DOI: 10.31857/s0026898420030131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 11/05/2019] [Indexed: 11/24/2022]
Abstract
Homology-directed (HD) genome modification offers an opportunity to precisely modify the genome. Despite reported successful cases, for many loci, precise genome editing remains challenging and inefficient in vivo. Here we report an effort to precisely knock-in a GFP reporter into gad locus mediated by CRISPR/Cas9 system in the zebrafish Danio rerio. PCR artifact was detected in testing for homologous recombination (HR), but was mitigated by optimizing PCR condition and decreasing the injected targeting plasmid concentration. Under this optimized condition, time course analysis revealed a decline of the HR-positive embryos at embryogenesis progressed. GFP signals also diminished at later developmental stages. The GFP signals were consistent with PCR detection, both of which suggested the loss of targeted insertion events at later stages. Such loss of insertion might be one underlying reason for the inability to obtain germ-line transgenic lines with GFP knocked into the gad locus. Our results suggest that the low HR efficiency associated with CRISPR-mediated knock-in is in part due to loss of insertion after targeted integration into the gad locus.
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Xu JW, Wang J, Yang K, Guo S, Feng CS, Chen HY, Li HP. FBW7 inhibits nucleus pulposus cells proliferation by downregulation of cyclin E in the intervertebral disc degeneration. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2020; 24:4053. [PMID: 32374016 DOI: 10.26355/eurrev_202004_20969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The article "FBW7 inhibits nucleus pulposus cells proliferation by downregulation of cyclin E in the intervertebral disc degeneration, by J.-W. Xu, J. Wang, K. Yang, S. Guo, C.-S. Feng, H.-Y. Chen, H.-P. Li, published in Eur Rev Med Pharmacol Sci 2020; 24(2):508-516. DOI: 10.26355/eurrev_202001_20026. PMID: 32016952" has been withdrawn from the authors. The Publisher apologizes for any inconvenience this may cause.
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Pi Y, He KZ, Zhang WQ, Dong ZQ, Jiang FG, Jiang KJ, Guo S. Complexity of Detecting CRISPR/Cas9-Mediated Homologous Recombination in Zebrafish. Mol Biol 2020. [DOI: 10.1134/s0026893320030139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Tao S, Guo S. Delaying osteoarthritis progression through chondrocyte-targeted delivery of WIKI4 using chondrocyte-derived exosomes. Cytotherapy 2020. [DOI: 10.1016/j.jcyt.2020.03.074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Guo S, Zhao Y, Yuan H, Wang C, Jiang H, Cheng GJ. Ultrafast Laser Manufacture of Stable, Efficient Ultrafine Noble Metal Catalysts Mediated with MOF Derived High Density Defective Metal Oxides. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2000749. [PMID: 32285619 DOI: 10.1002/smll.202000749] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 03/05/2020] [Accepted: 03/09/2020] [Indexed: 05/22/2023]
Abstract
Supported metal nanoparticles (MNPs) undergo severe aggregation, especially when the interaction between MNPs and their supports are limited and weak where their performance deteriorates dramatically. This becomes more severe when catalysts are operated under high temperature. Here, it is reported that MNPs including Pt, Au, Rh, and Ru, with sub-2 nm size can be stabilized on densely packed defective CeO2 nanoparticles with sub-5 nm size via strong coupling by direct laser conversion of corresponding metal ions encapsulated cerous metal-organic frameworks (Ce-MOFs). Ce-MOF serves as an ideal dispersion precursor to uniformly encapsulate noble metal ions in their orderly arranged pores. Ultrafast laser vaporization and cooling forms uniform, ultrasmall, well-mixed, and exceptionally dense nanoparticles of metal and metal oxide concurrently. The laser-induced ultrafast reaction (within tens of nanoseconds) facilitates the precipitation of CeO2 nanoparticles with abundant surficial defects. Due to the well-mixed ultrasmall Pt and CeO2 components with strong coupling, this catalyst exhibits exceptionally high stability and activity both at low and high temperatures (170-1100 °C) for CO oxidation in long-term operation, significantly exceeding catalysts prepared by traditional methods. The scalable feature of laser and huge MOF family make it a versatile method for the production of MNP-based nanocomposites in wide applications.
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Lin Y, Guo S, Tong H, Wang Y. P10 Paired Associative Magnetic Stimulation combined with Electroencephalogram in the Functional Connection of Right Frontal and Parietal Cortices. Clin Neurophysiol 2020. [DOI: 10.1016/j.clinph.2019.12.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Guo S, Lu D, Pfeiffer S, Pfeiffer DU. Non-ambulatory dogs with cervical intervertebral disc herniation: single versus multiple ventral slot decompression. Aust Vet J 2020; 98:148-155. [PMID: 32090324 DOI: 10.1111/avj.12908] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 11/23/2019] [Accepted: 12/08/2019] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To evaluate the proportion of non-ambulatory dogs with cervical intervertebral disc herniation (IVDH) in a private clinic and to compare signalment and outcome between those that underwent single or multiple ventral slot decompression (VSD). DESIGN Retrospective cohort study. METHODS After screening 43,378 medical records (January 2010-September 2016), those of 185 dogs with non-ambulatory tetraparesis or tetraplegia along with cervical IVDH that had undergone single (123) or multiple (62) VSD were included in this study. Data on signalment, preoperative neurological status, location of affected intervertebral disc(s), time to ambulation and short-term outcome were compared between single and multiple VSD groups. RESULTS The proportion of non-ambulatory dogs with IVDH was 35.3%. The prevalence of non-ambulation was higher in male dogs (0.56%) than in female dogs (0.26%; P < 0.001) and in neutered dogs than in unneutered dogs (0.51% and 0.27%, respectively, P < 0.001). After surgery, 96.2% of the dogs reached ambulatory status. Dogs with multiple IVDH were older than those with single IVDH. Sex, neutering status or size did not affect the outcome or ambulation status postsurgery. The Pekingese was the most commonly affected breed in both groups. There was no difference in the time to reach ambulation and the presence of neurological deficits after surgery between dogs that underwent single and multiple VSD. CONCLUSIONS In this cohort, dogs undergoing multiple VSD had a good postoperative outcome, and their short-term functional recovery was equal to that of dogs undergoing single ventral slot compression.
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Guo S, Xv J, Li Y, Bi Y, Hou Y, Ding B. Interactive effects of dietary vitamin K 3 and Bacillus subtilis PB6 on the growth performance and tibia quality of broiler chickens with sex separate rearing. Animal 2020; 14:1610-1618. [PMID: 32054553 DOI: 10.1017/s1751731120000178] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Both vitamin K and probiotics can promote the bone health of poultry and mammals. The present study was conducted to investigate the interactive effects between vitamin K3 (VK3) and Bacillus subtilis PB6 on the growth performance and tibia quality of broiler chickens with sex separate rearing. In a 3 × 2 × 2 factorial arrangement, 720 one-day-old broiler chicks (Arbor Acres) were assigned to 12 groups with three levels of dietary VK3 (0, 0.5 and 4.0 mg/kg), with or without probiotic supplementation (500 g/t) and with sex separation (male and female). Each group included 3 replicates with 20 birds per replicate. During day 1 to 21, 0.5 and 4.0 mg/kg of VK3 increased average daily gain (ADG) of all birds and average daily feed intake of male birds (P < 0.05). During day 22 to 42, probiotic supplementation increased the ADG of birds (P < 0.05). Probiotic addition increased the weight, length, diameter and strength of tibia in all birds, and 0.5 and 4.0 mg/kg of VK3 increased the tibial breaking strength of male birds at day 21 (P < 0.05). Vitamin K3 and probiotic synergistically increased tibial breaking strength at day 42 and ash content at day 21 (P < 0.05). Three factors exhibited interactive effects on the chemical composition of tibia at day 42, and female birds fed 4 mg/kg of VK3 and probiotic had the highest contents of ash, calcium and phosphorus (P < 0.05). Bacillus subtilis PB6 increased the serum phosphorus level of male birds at day 21 and serum calcium level of female ones at day 42 (P < 0.05). At day 21, in the probiotic-supplemented birds, serum osteocalcin (OCN) and bone-specific alkaline phosphatase (BALP) were increased by 0 and 4.0 mg/kg of VK3, respectively (P < 0.05). Probiotic increased serum OCN and cooperated with VK3 to increase the serum BALP at day 42 (P < 0.05). Vitamin K3 and probiotic synergistically down-regulated the mRNA expression of Runt-related transcription factor 2 and OCN at day 21 (P < 0.05). Vitamin K3 down-regulated the alkaline phosphatase (liver/bone/kidney) expression in male birds at day 21 and 42, but probiotic up-regulated the expression of these genes at day 42 (P < 0.05). In conclusion, VK3 and B. subtilis PB6 promoted the growth performance of broilers during starter and grower phases, respectively. They synergistically improved the physical and chemical traits of tibias, especially in grower phase, by modulating calcium and phosphorus metabolism as well as osteogenic gene expression.
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Xu JW, Wang J, Yang K, Guo S, Feng CS, Chen HY, Li HP. FBW7 inhibits nucleus pulposus cells proliferation by downregulation of cyclin E in the intervertebral disc degeneration. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2020; 24:508-516. [PMID: 32016952 DOI: 10.26355/eurrev_202001_20026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE TF-box and WD repeat domain-containing 7 (FBW7), a component of SCF ubiquitin ligase complex, usually acts as a tumor suppressor because it has an ability in the inhibition of cell proliferation. Nevertheless, the role of FBW7 in intervertebral disc degeneration (IDD) is not quite understood. MATERIALS AND METHODS The total protein and RNA were isolated from patients' disc tissues. WB was carried out to analyze the collagen II and FBW7 protein levels of different Pfirrmann grades disc degeneration. Reverse transcription-polymerase chain reaction (RT-PCR) was used to test the collagen II and FBW7 mRNA expression in these disc samples. NP cells were transfected with siRNA-FWB7 to downregulate the FBW7 expression. SiRNA-NC was used as the sham group. Cyclin E, E2F1, and E2F2 were analyzed with WB and RT-PCR. RESULTS In this study, different kinds of degenerated disc tissues were analyzed, and it was found that FBW7 was overexpressed in much severe degeneration condition, which was also proved by the IL-1β stimuli nucleus pulposus (NP) cells degeneration model in vitro. Interestingly, the results showed that FBW7 suppression could reverse the degeneration of NP cells. Furthermore, we found that FBW7 induced NP cell cycle arrest in the G1 phase of and inhibited cell proliferation by upregulating p27 expression in vitro. The overexpression of p27 resulted in the inhibition of cyclin E, which promotes cell proliferation. CONCLUSIONS Taken together, our study uncovered that FBW7 played an essential inhibitory role in NP cells proliferation, providing new insights that FBW7 may be a potential strategy for IDD treatments.
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Huan H, Jiang L, Tang L, Wang Y, Guo S. Isolation and characterization of Streptococcus suis strains from swine in Jiangsu province, China. J Appl Microbiol 2020; 128:1606-1612. [PMID: 31981255 DOI: 10.1111/jam.14591] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Revised: 12/25/2019] [Accepted: 01/17/2020] [Indexed: 11/29/2022]
Abstract
AIMS The aim of this study is to investigate Streptococcus suis strains present in Jiangsu province, China. METHODS AND RESULTS In all, 1650 nasal and anal swab samples and 100 tonsils were collected from clinically healthy swine. Culture characteristics, colony morphology and PCR-based analysis of the glutamate dehydrogenase (gdh) gene were performed for S. suis identification, and eight isolates were confirmed to be S. suis. The isolates serogroups were identified by agglutinating test, including 4, 7, 3, 5 and 8. Gene profiling by PCR showed that the manN, purD, orf2, gdh genes were conserved among the isolates and that 50% of the isolates carried dltA, pgdA, srtA and sspA. Antimicrobial susceptibility test showed the isolates displayed resistance to clindamycin, erythromycin, tetracycline, penicillin G, vancomycin and linezolid; while none was resistant to chloramphenicol, multi-drug resistance was seen in most of the isolates. Finally, the LD50 (assessed by zebrafish) of isolates RD105 was 2·6431 × 105 and HA24 was 7·1198 × 106 , which showed RD105 more virulent and was consistent with the results of virulence factor identification. CONCLUSIONS There is a very low proportion of S. suis in the healthy pigs. The virulence factors were related to pathogenicity. Bacteria in Nantong possess greater virulence potential than those in Huaian. SIGNIFICANCE AND IMPACT OF THE STUDY Systematic investigation of S. suis provided the most basic theoretical support for the prevention and control of swine streptococcosis.
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Cooper MA, Sapp AW, Guo S, Vogler TJ. Imaging perturbed shock propagation in powders. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2020; 91:025109. [PMID: 32113425 DOI: 10.1063/1.5131348] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 02/01/2020] [Indexed: 06/10/2023]
Abstract
A novel experimental methodology is presented to study the deviatoric response of powders in shock regimes. The powders are confined to a cylindrical wedge volume, and a projectile-driven shock wave with a sinusoidally varying front propagates through the powder. The perturbed shock wave exhibits a damping behavior due to irreversible processes of viscosity and strength (deviatoric) of the powder with propagation through increasing powder thicknesses. The inclined surface of the wedge is polished and coated to establish a diffuse surface suitable for reflecting incident laser light into a high-speed camera imaging at 5 MHz. Images of the contrast loss upon shock wave arrival at the observation surface are post-processed for qualitative and quantitative information. New data of shock damping behavior with parameters of perturbation wavelength and initial shock strength are presented for powders of copper, tantalum, and tungsten carbide as well as their mixtures. We present the first full-field images showing additional spatial disturbances on the perturbed shock front that appear dependent on particle material and morphology.
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Liu H, Shang N, Chhetri JK, Liu L, Guo W, Li P, Guo S, Ma L. A Frailty Screening Questionnaire (FSQ) to Rapidly Predict Negative Health Outcomes of Older Adults in Emergency Care Settings. J Nutr Health Aging 2020; 24:627-633. [PMID: 32510116 DOI: 10.1007/s12603-020-1374-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
BACKGROUND Frailty, at the core of geriatric medicine, is an important concept underpinning health problems but the rapid and valid measurement of frailty for older adults in the Emergency Department (ED) is lacking in China. The Frailty Screening Questionnaire (FSQ), has been shown to be a simple, rapid and practical tool to identify frailty in both community and inpatients settings, yet its utility in acute care settings is not well understood. OBJECTIVE To determine whether FSQ is useful to identify frailty and predict adverse outcomes in an emergency care setting. DESIGN AND PARTICIPANTS This prospective study included 350 adults aged 60 and over and admitted to the ED. MEASUREMENTS The FSQ questionnaire which assessed self-reported slowness, weakness, inactivity, exhaustion, and weight loss was used to rapidly recognize frailty. FRAIL, Clinical frailty score (CFS), activities of daily living (ADL) and nutrition risk screening 2002 were also assessed. Outcome measures included all-cause 28-day mortality, ADL dependency, mechanical ventilation, length of hospital stay, and ICU readmissions 30 and 90 days after discharge. Cox proportional hazard model was used for survival comparison. RESULTS The prevalence of FSQ frailty and prefrailty in older adults were 44.6% and 30.9% respectively in the emergency setting. FSQ frailty was associated with increasing age, chronic diseases, malnutrition risk, poor physical function and worse outcomes indicated by higher 28-d mortality, ADL dependency, mechanical ventilation, length of hospital stay, and ICU readmissions after discharge. The Kappa coefficient between the FSQ and FRAIL was 0.552. FSQ score was negatively correlated with grip strength and positively correlated with Barthel index, length of hospital stay and CFS score. Cox regression adjusted by epidemiological variables and chronic diseases showed FSQ and all components predicted mortality except weight loss. CONCLUSION The FSQ is a rapid and useful tool to screen frailty and an effective tool to predict mortality in busy emergency settings.
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Patro S, Niyongabo A, Guo S, Wu X, Boritz E, Deeks S, Maldarelli F, Hughes S, Coffin J, Kearney M. HIV proviruses with identical sequences arise from cell expansion and infection by a common ancestor virus. J Virus Erad 2019. [DOI: 10.1016/s2055-6640(20)30140-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Hu W, Li M, Lu W, Guo S, Li J. Evaluation of MASTDISCS combi Carba plus for the identification of metallo-β-lactamases, KPC and OXA-48 carbapenemase genes in Enterobacteriaceae clinical isolates. Lett Appl Microbiol 2019; 70:42-47. [PMID: 31642085 DOI: 10.1111/lam.13240] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 10/07/2019] [Accepted: 10/21/2019] [Indexed: 11/30/2022]
Abstract
The increasing frequency of class A KPC enzymes, class B metallo-β-lactamases (MBLs) and class D OXA-48 enzymes in Enterobacteriaceae makes their early identification urgent. A simple commercial MASTDISCS combi Carba plus disc system (MAST-Carba plus) was designed for the identification of MBLs, KPC and OXA-48 carbapenemase genes in Enterobacteriaceae. To validate the MAST-Carba plus, a total of 77 isolates of carbapenemase-producing Enterobacteriaceae (CPE) and 84 isolates of noncarbapenemase-producing Enterobacteriaceae (non-CPE) were selected for differentiation of the genes of Enterobacteriaceae by MAST-Carba plus. Meanwhile, the carbapenemase genes such as blaKPC , blaIMP , blaVIM , blaNDM-1 and blaOXA-48 were detected by PCR (polymerase chain reaction). Thus, when considered on the basis of PCR results, the sensitivity of MAST-Carba plus detection of KPC strains is 82·3%, the specificity is 100·0%, the positive predictive value is 100·0% and the negative predictive value is 92·4%. For MBLs strains, the sensitivity is 100·0%, the specificity is 97·1%, the positive predictive value is 84·6% and the negative predictive value is 100·0%. For OXA-48 strains, the sensitivity is 100·0%, the specificity is 99·4%, the positive predictive value is 80·0% and the negative predictive value is 100·0%. Our findings suggest that MAST-Carba plus is a rapid and promising method for identifying the MBLs, KPC and OXA-48 carbapenemase genes in Enterobacteriaceae, which could be exploited in basic microbiology laboratory to prevent the transmission of CPE. SIGNIFICANCE AND IMPACT OF THE STUDY: Not only detection of carbapenemases but also identification of their genes accurately and rapidly in Enterobacteriaceae is still a major challenge for clinical laboratories in order to prevent the transmission of carbapenemase-producing Enterobacteriaceae (CPE). Therefore, this study aimed to evaluate the performance of a new rapid method (MASTDISCS combi Carba plus) for the identification of metallo-β-lactamases (MBLs), KPC and OXA-48 carbapenemase genes in Enterobacteriaceae clinical isolates.
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Yuan L, Zhang LW, Er LM, Xu ZB, Guo S, Liu ZH. [The association of Bcl-2 gene polymorphism with the esophageal cancer and gastric cardia adenocarcinoma in Hebei Province]. ZHONGHUA YU FANG YI XUE ZA ZHI [CHINESE JOURNAL OF PREVENTIVE MEDICINE] 2019; 53:1119-1123. [PMID: 31683398 DOI: 10.3760/cma.j.issn.0253-9624.2019.11.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the association between the promoter region-938 polymorphism of B-cell lymphoma/leukemia-2 (Bcl-2) gene and the esophageal cancer (EC) and gastric cardia adenocarcinoma (GCA) in Hebei Province. Methods: From 2007 to 2010, 145 esophageal cancer patients and 169 cardiaccancer patientsfrom the outpatient department of the Fourth Hospital of Hebei Medical Universitywereselected in a case group, and 195 non-tumor patients were selected in a control group during the same period. A questionnaire survey was used to collect information of research subjects. Pathological tissues were collected to extract genomic DNA and detect the genotype of bcl-2 gene -938. A multivariate logistic regression model was used to analyze the association between the bcl-2 gene locus 938 CC genotype and the EC and GCA. The interaction between age, gender, smoking, drinking, upper gastrointestinal family history and the bcl-2 gene locus 938 CC genotype was analyzed by likelihood ratio test. Results: The age of the esophageal and cardiac cancer groups was (56.3±8.3) and (57.1±8.4) years old, and that of the control group was (54.7±7.1) years old. The proportion of the bcl-2 gene locus 938 CC genotype in the esophageal group [48.3% (70/145)] and the cardiac cancer group [48.5% (82/169)] was higher than that in the control group [33.8% (66/195)] (both P values<0.05).Compared with the AA genotype, the risk of esophageal cancer and cardiac cancerin people with the CC genotype was 2.386 (1.20-4.76) and 2.564 (1.27-5.18) respectively. In the population with CC genotype, compared with the positive family history, drinking, and male, the negative family history, non-drinking, and female had a higher risk of esophageal cancer; compared with the non-smoking, negative family history, non-drinking and male, the smoking, positive family history, drinking, and female had a higher risk of cardiac cancer (all the P interaction values were <0.05). Conclusion: People with bcl-2 gene locus 938 CC genotype in Hebei Provincewere more likely to suffer from the esophageal and gastric cardia adenocarcinoma.
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Guo S, Mansour R, Henderson Slater D. Ultrasound-Guided Continuous Radiofrequency Ablation Of Painful Residual Limb Neuroma In Individuals With Limb Amputation-A Retrospective Case Series. CANADIAN PROSTHETICS & ORTHOTICS JOURNAL 2019; 2:33061. [PMID: 37614805 PMCID: PMC10443475 DOI: 10.33137/cpoj.v2i1.33061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 10/21/2019] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Residual limb neuromas are a significant cause of post-amputation pain. There is little knowledge concerning ultrasound-guided (US) radiofrequency ablation (RFA) as treatment. OBJECTIVE To investigate US-guided RFA for neuroma associated pain in individuals with limb amputation. METHODOLOGY The notes of nine consecutive patients were retrospectively reviewed. Information obtained included neuroma size and nerve, RFA duration/temperature, pain scores, analgesic requirements and ease/comfort of prosthetic use. Eight patients had lower-limb amputations and one had a trans-radial amputation. All except one, underwent diagnostic US-guided steroid injection to confirm the neuroma as the source of pain, prior to RFA. RESULTS Six patients reported significant reduction in pain scores (defined as at least 50% reduction) and an improvement in comfort/ease of wearing their prosthetic limb, with no adverse effects. Three of these six patients also reported a reduction in analgesic requirements. Of the three remaining patients - one had a large sciatic nerve neuroma that was eventually surgically excised, another had confounding pain from an adjacent bony spur, whilst the third patient did not receive a routine diagnostic steroid injection prior to RFA. CONCLUSIONS Our findings suggest that US-guided RFA is safe and effective for small to medium-sized residual limb neuroma associated pain in individuals with limb amputation. It can reduce pain and analgesic requirements, improve comfort/ease of wearing the prosthesis and potentially avoid surgical excision. We recommend patients should undergo a diagnostic steroid injection prior to RFA to confirm that the neuroma is the source of pain.
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Zhou C, Chen G, Huang Y, Zhou J, Lin L, Feng J, Wang Z, Shu Y, Shi J, Hu Y, Wang Q, Cheng Y, Chen J, Lin X, Wang Y, Huang J, Cui J, Cao L, Liu Y, Zhang Y, Pan Y, Zhao J, Wang L, Chang J, Chen Q, Ren X, Zhang W, Fan Y, He Z, Fang J, Gu K, Dong X, Jin F, Gao H, An G, Ding C, Jiang X, Xiong J, Zhou X, Hu S, Lu P, Liu A, Guo S, Huang J, Zhu C, Zhao J, Gao B, Chen Y, Hu C, Zhang J, Zhang H, Zhao H, Zhou Y, Tai Y. OA04.03 A Randomized Phase 3 Study of Camrelizumab plus Chemotherapy as 1st Line Therapy for Advanced/Metastatic Non-Squamous Non-Small Cell Lung Cancer. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.425] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Guo S, Liu J, Duan X. 5033Effect of intraoperative hybrid surgery on incidence of CPB-AKI in children Congenital heart disease patients: a propensity score matched study. Eur Heart J 2019. [DOI: 10.1093/eurheartj/ehz746.0036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Objective
Cardiopulmonary bypass-associated acute kidney injury (CPB-AKI) is a frequent complication after cardiac surgery in children patients. Intraoperative hybrid cardiac surgery (IPH) is a new technique which needed contrast administration. Contrast was also reported to induce AKI. Therefore, we hypothesized that the IPH would increase the occurrence of CPB-AKI in children Congenital heart disease patients.
Methods
A total of 1509 consecutive patients (age≤3 year) undergoing on-pump cardiac surgery were enrolled in this study from November, 2017 to May, 2018. Multivariate logistic regression was performed in this retrospective study. Propensity score matched analysis was applied for confounding factors. Perioperative and interoperative characteristics and outcomes in IHP group with or without AKI are compared. CPB-AKI was determined by serum Creatinine (SCr) increased twice as much as preoperative or need dialysis within 7 days postoperatively.
Result
IPH was found to be an independent risks factor in the development of CPB-AKI development (OR 2.798, 95% CI 1.823–4.296, p<0.001). Other independent risk factors for CSA-AKI were: CPB time >100 min (OR 2.068, 95% CI 1.521–2.811, P<0.001), weight≤5 kg (OR 3.409, 95% CI 2.192–5.302, P<0.001). Cohort analysis revealed that AKI occurred more frequently in the IPH group before and after matching (30.4% vs. 12.97%, P<0.001; 32.2% vs. 18.3% %, P=0.015, respectively). IPH group also had higher prolonged length of postoperative stay in the hospital (11 vs 7.5, P<0.001; 10.9 vs 7.7, p=0.01), and higher length of mechanical ventilation support (27 vs 10, P<0.001; 26 vs 16, <0.001) before and after matching. Perioperative and interoperative characteristics and outcomes of patients with or without AKI are compared. Only CPB duration was an independent factor for AKI in IPH group.
Comparison of outcomes Variablesa Without PSM PSM IPH group (n=128) No IPH group (n=1381) P IPH group (n=117) No IHP group (n=117) P Median LOSPHOS (days) 11 (8.0, 13.0) 7.4 (6.5, 10.6) <0.001d 11.0 (8.0, 13.0) 7.5 (6.5, 14.7) <0.001d Median LOSMV (hours) 27 (19.0, 71.0) 10 (5, 24) <0.001d 27.0 (18.0, 71.0) 17 (3.0, 49.0) <0.001d Overall mortality n (%) 0 (0%) 14 (1.0%) 0.252c 0 (0%) 2 (1.7%) 0.156c Dialysis, n (%) 3 (2.4%) 23 (1.6%) 0.573c 3 (2.6%) 6 (2.6%) 1.000c AKI, n (%) 39 (30.4%) 176 (12.7%) <0.001b 37 (31.6%) 21 (17.9%) 0.015b aLOSPOHOS: length of postoperative stay in hospital; LOSMV: length of mechanical ventilation; CPB: cardiopulmonary bypass. bχ2 test. cFisher's exact test. dRank sum test.
Study flow
Conclusion
IPH was associated with a higher incidence of CPB-AKI.
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Zhang Y, Wang T, Lei J, Guo S, Wang S, Gu Y, Wang S, Dou Y, Zhuang X. Cerebral Damage after Carbon Monoxide Poisoning: A Longitudinal Diffusional Kurtosis Imaging Study. AJNR Am J Neuroradiol 2019; 40:1630-1637. [PMID: 31558500 DOI: 10.3174/ajnr.a6201] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 07/25/2019] [Indexed: 12/23/2022]
Abstract
BACKGROUND AND PURPOSE Previous DTI cross-sectional studies have showed the cerebral damage feature was different in the three clinical stages after carbon monoxide poisoning. Diffusional kurtosis imaging (DKI) is an advanced diffusion imaging model and considered to better provide microstructural contrast in comparison with DTI parameters. The primary aim of this study was to assess microstructural changes in gray and white matter with diffusional kurtosis imaging in the acute, delayed neuropsychiatric, and chronic phases after acute carbon monoxide (CO) poisoning. The secondary aim was to relate diffusional kurtosis imaging measures to neuropsychiatric outcomes of acute carbon monoxide poisoning. MATERIALS AND METHODS In all, 17 patients with acute carbon monoxide poisoning and 30 sex- and age-matched healthy volunteers were enrolled in the study. Patients were scanned within 1 week, 3-8 weeks, and 6 months after acute carbon monoxide poisoning. Diffusional kurtosis imaging metrics including mean kurtosis, mean diffusivity, fractional anisotropy, and kurtosis fractional anisotropy were measured in 11 ROIs and then further correlated with neuropsychiatric scores. RESULTS In WM, mean kurtosis tended to increase from the acute-to-delayed neuropsychiatric phases and then decrease in the chronic phase, while in GM mean kurtosis showed a constant decline. Contrary to mean kurtosis, mean diffusivity first decreased then tended to increase in WM, while in GM, from the acute to chronic phases, mean diffusivity showed a constant increase. In both WM and GM, the fractional anisotropy and kurtosis fractional anisotropy values progressively declined with time. Kurtosis fractional anisotropy showed the best diagnostic efficiency with an area under the curve of 0.812 (P = .000). Along with neuropsychiatric scores, kurtosis fractional anisotropy of the centrum semiovale and Digit Span Backward were most relevant (r = 0.476, P = .000). CONCLUSIONS Longitudinally, microstructural changes were inconsistent in WM and GM with time after acute carbon monoxide poisoning. Diffusional kurtosis imaging metrics provided important complementary information to quantify the damage to cognitive impairment.
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Sun GH, Li DW, Guo S, Zhang DM, Cui SH. [The role of neutrophil in the pathogenesis of chronic rhinosinusitis]. LIN CHUANG ER BI YAN HOU TOU JING WAI KE ZA ZHI = JOURNAL OF CLINICAL OTORHINOLARYNGOLOGY, HEAD, AND NECK SURGERY 2019; 33:789-792. [PMID: 31446744 DOI: 10.13201/j.issn.1001-1781.2019.08.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Indexed: 11/12/2022]
Abstract
SummaryChronic nasal-sinusitis is a chronic inflammatory disease characterized by persistent inflammation in the nasal and nasal mucosa. The pathogenesis of CRS is extremely complex and there is currently a lack of effective therapy. The reason for inaccurate diagnosis and invalid treatment of CRS is its sophisticated and unclear mechanism. The pathogenesis of CRS from Asian populations is neutrophil infiltration mediated by Th1/Th17 mixture. Consequently, exploring the function of neutrophil in the pathogenesis of CRS plays an important role in clinical diagnosis and treatment for CRS patients in China.
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Liu X, Xu M, Qu X, Guo S, Liu Y, He C, He J, Liu W. Molecular cloning, characterisation, and expression analysis of adipocyte fatty acid binding protein gene in Xupu goose ( Anser cygnoides domesticus). Br Poult Sci 2019; 60:659-665. [PMID: 31509442 DOI: 10.1080/00071668.2019.1655709] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
1. Adipocyte fatty acid binding protein (A-FABP) plays a key role in fatty acid uptake and intracellular transport. The objective of the present study was to identify and characterise the A-FABP gene in Xupu goose.2. The full-length cDNA of goose A-FABP gene was cloned from the liver tissue using reverse transcription polymerase chain reaction (RT-PCR) and rapid amplification of cDNA ends (RACE). The distribution of the goose A-FABP in different tissues was determined by quantitative real-time PCR (qRT-PCR).3. The results showed that the full-length cDNA sequence of goose A-FABP was 657 bp, containing a 5'-UTR of 52 bp, a 3'-UTR of 206 bp and an open reading frame (ORF) of 399 bp, which encoded a polypeptide of 132 amino acids (AA).4. The AA sequence of goose A-FABP showed 76.52%, 75.00%, 93.18% and 99.24% identities with previously described homologues from humans (Homo sapiens), mouse (Mus musculus), chicken (Gallus gallus), and duck (Anas platyrhynchos), respectively, and phylogenetic analysis revealed a close relationship among them. The transcript of Xupu goose A-FABP was ubiquitously expressed in all tested tissues, and showed a high-level expression in abdominal fat, sebum and liver.5. A significant positive correlation was identified between A-FABP mRNA abundance in the three adipose tissues and liver weight, ratio of liver to body weight, TG content, and VLDL concentration in the plasma of Xupu goose. A significant negative correlation was observed between the mRNA level of A-FABP and HDL concentration in the plasma of Xupu goose.6. These findings provide a foundation for further research on the function and mechanism of A-FABP in the fat deposition process.
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Li Q, Qiu B, Wang B, Zhang J, Li C, Zhou Y, Qin J, Guo S, Xie W, Hui Z, Liang Y, Guo J, Wang H, Zhu M, Shen W, Duan L, Chen L, Zhang L, Long H, Wang Y, Liu H. Comparable Local Control Rates after Hyper- and Hypo-Fractionated Radiotherapy with IMRT Technique in Small Cell Lung Cancer: The Introduction of Extended LQ and TCP Models. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Reddy SR, Yoshida S, Bhattacharjee T, Sake N, Lozinko A, Guo S, Bhattacharjee PP, Tsuji N. Nanostructuring with Structural-Compositional Dual Heterogeneities Enhances Strength-Ductility Synergy in Eutectic High Entropy Alloy. Sci Rep 2019; 9:11505. [PMID: 31395929 PMCID: PMC6687781 DOI: 10.1038/s41598-019-47983-y] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Accepted: 07/23/2019] [Indexed: 11/30/2022] Open
Abstract
A lamellar (L12 + B2) AlCoCrFeNi2.1 eutectic high entropy alloy (EHEA) was severely deformed by a novel hybrid-rolling process. During hybrid-rolling, the deformation was carried out in two stages, namely cryo-rolling followed by warm-rolling at 600 °C. The strain (ε) imparted in each of these steps was identical ~1.2, resulting in a total strain of ε~2.4 (corresponding to 90% reduction in thickness). The novel processing strategy resulted in an extremely heterogeneous microstructure consisting of retained lamellar and transformed nanocrystalline regions. Each of these regions consisted of different phases having different crystal structures and chemical compositions. The novel structure-composition dual heterogeneous microstructure originated from the stored energy of the cryo-rolling which accelerated transformations during subsequent low temperature warm-rolling. The dual heterogeneous microstructure yielded an unprecedented combination of strength (~2000 MPa) and ductility (~8%). The present study for the first time demonstrated that dual structure-composition heterogeneities can be a novel microstructural design strategy for achieving outstanding strength-ductility combination in multiphase high entropy alloys.
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Hou Y, Guo S, Lyu J, Lu Z, Yang Z, Liu D, Chen Z. Prognostic factors in Asian and white American patients with cervical cancer, considering competing risks. ACTA ACUST UNITED AC 2019; 26:e277-e285. [PMID: 31285669 DOI: 10.3747/co.26.4473] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background Cervical cancer is the 2nd most common malignant tumour in women worldwide. Previous research studies have given little attention to its prognostic factors in the rapidly growing Asian American population. In the present study, we explored prognostic factors in Asian and white American patients with cervical cancer, considering competing risks. Methods The study included 58,780 patients with cervical cancer, of whom 54,827 were white and 3953 were Asian American, and for all of whom complete clinical information was available in the U.S. Surveillance, Epidemiology, and End Results database. Death from cervical cancer was considered to be the event of interest, and deaths from other causes were defined as competing risks. The cumulative incidence function and the Fine-Gray method were applied for univariate and multivariate analysis respectively. Results We found that, for all patients (white and Asian American combined), the cumulative incidence function was associated with several factors, such as age at diagnosis, figo (Fédération internationale de Gynécologie et d'Obstétrique) stage, registry area, and lymph node metastasis. Similar results were found when considering white patients only. However, for Asian American patients, registry area was not associated with the cumulative incidence function, but the other factors (for example, figo stage) remained statistically significant. Similarly, in multivariate analyses, we found that age at diagnosis, figo stage, lymph node metastasis, tumour histology, treatment method, and race were all associated with prognosis. Conclusions Survival status differs for white and Asian American patients with cervical cancer. Our results could guide the treatment of, and facilitate prognostic judgments about, white and Asian American patients with cervical cancer.
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Gao Y, Guo S, Wang Y, Yu S, Wang M, Lu X, Li Y. Lymphocyte and its CD4+ and CD8+ subgroup changes after paraquat poisoning. Hum Exp Toxicol 2019; 38:1024-1030. [PMID: 31104516 DOI: 10.1177/0960327119851252] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVE Paraquat (PQ) poisoning is a significant cause of mortality and morbidity in developing countries. Poor prognostic outcomes have been attributed to the herbicide's toxicity and the lack of effective treatments. Our study aims to investigate the changes in lymphocyte count in both patients who survived and died from PQ poisoning and explore the prognostic value. METHOD This is a retrospective case serials observational study. Adult patients admitted with acute PQ poisoning. The notes of 1000 patients who presented with acute PQ poisoning were reviewed. One hundred thirty patients having the T lymphocyte met the inclusion criteria and were grouped into those that survived the poisoning (95) and non-survivors (35). RESULTS On admission, non-survivors had a higher ingestion volume of PQ and urine PQ concentration as well as higher severity indices (Acute Physiology and Chronic Health Evaluation 2, Sequential Organ Failure Assessment, and Poisoning Severity Score). Patients in the survival group had a higher dosage of immunosuppressant and a longer hospital stay. Leukocytes, especially neutrophils, were higher among non-survivors; however, the converse was found with lymphocytes. T lymphocyte (CD3) count was consistently higher among survivors as well as the subgroups CD4+ and CD8+. No differences in the ratio of CD4/CD8 were found between the groups. CONCLUSION Our study has shown that changes in lymphocyte count as its subgroups could indicate a host's immune status and lymphocytes play an important role as a surrogate marker of host immunity, which could be a useful prognostic tool in the assessment of this disease.
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Offen D, Perets N, Guo S, Betzer O, Popovtzer R, Ben-Shaul S, Sheinin A, Michaelevski I, Levenberg S. Exosomes loaded with PTEN siRNA leads to functional recovery after complete transection of the spinal cord by specifically targeting the damaged area. Cytotherapy 2019. [DOI: 10.1016/j.jcyt.2019.04.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Tao S, Guo S. Hsa_circ_0000077-Overexpressing synovial mesenchymal stem cell: a new tool for cartilage regeneration. Cytotherapy 2019. [DOI: 10.1016/j.jcyt.2019.03.474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Ma J, Guo W, Guo S, Li C. 123 Ubiquitination control of tumor proliferation, metastasis and immune escape via prohibitin/stat3/PD-L1 axis in melanoma. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.03.199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Ahmed N, Gandhi H, Rahgozar K, Guo S, Sun E, Saeed O, Patel S, Murthy S, Shin J, Vukelic S, Forest S, Goldstein D, Jorde U, Sims D. Elevated Pre-Transplant Neutrophil to Lymphocyte Ratio is Associated with Increased Vasoplegia Syndrome in Cardiac Transplantation. J Heart Lung Transplant 2019. [DOI: 10.1016/j.healun.2019.01.514] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Han XX, Guan DX, Zhou J, Yu FH, Wang GL, Mei TL, Guo S, Fu LB, Zhang J, Shen HQ, Xu XW. [Clinical analysis of eosinophilic gastroenteritis in 71 children]. ZHONGHUA ER KE ZA ZHI = CHINESE JOURNAL OF PEDIATRICS 2019; 56:500-504. [PMID: 29996182 DOI: 10.3760/cma.j.issn.0578-1310.2018.07.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To summarize the clinical data including manifestations, diagnosis, treatment and prognosis of eosinophilic gastroenteritis (EGE) in children. Methods: A retrospective analysis was performed in 71 patients with pathologically proven EGE at Beijing Children's Hospital Affiliated to Capital Medical University from January 2008 to January 2017. Their clinical manifestations, laboratory and imaging examinations, endoscopic findings, histopathological examinations, and treatment were collected and analyzed. Results: Among 71 EGE cases, 47 (66%) cases were male and 24 (34%) cases were female, and the median age was 9.2 (0.2-16.5) years old. The main clinical manifestations included abdominal pain (76%, 54/71), vomiting (68%, 48/71), anorexia (54%, 38/71), weight loss (38%, 27/71), and diarrhea (37%, 26/71). There were 27 cases (38%) with a history of allergic diseases or family history. The median absolute value of eosinophil in peripheral blood of the 71 patients was 0.4 (0-36.8)×10(9)/L, and 27 cases (38%) showed an increase in eosinophil counts. Serum IgE was measured in 52 patients (104.3 (3.4- 3 000.0)×10(3) U/L), and 30 patients (58%) showed an increase in serum IgE. A large number of eosinophils ((41.0±8.5)/HP) were found in 3 patients' ascites. The endoscopic examination of upper gastrointestinal tract revealed hyperemic edema in 62 cases (87%), plaque in 44 cases (62%), erosion in 17 cases (24%) and ulceration in 16 cases (23%). Histopathologically, in 8 cases (11%) the disease involved both stomach and duodeneum, in 21 cases (30%) involved stomach only, and in 37 cases (52%) involved duodeneum only. In addition, in 6 cases (8%) the disease involved esophagus and in 10 cases (14%) involved colorectum. Microscopically, eosinophil counts averaged 67/HP, 33/HP, 40/HP and 38/HP in esophageal, gastric, duodenal and colorectal mucosa respectively. A total of 34 cases were treated with glucocorticoid, and all these patients had alleviation of symptoms, which occurred within 14.9 days on average, but EGE recurred in 11 cases (32%). Conclusions: The clinical symptoms and endoscopic findings of EGE are diverse and nonspecific. Histopathological examination of gastrointestinal mucosa is particularly important for the diagnosis. Glucocorticoid treatment is effective, but the patients with EGE are prone to relapse.
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Wang Y, Zhang J, Guo S, Dong Z, Meng X, Zheng G, Yang D, Zheng Z, Zhao Y. Implication of lymph node staging in migration and different treatment strategies for stage T2N0M0 and T1N1M0 resected gastric cancer: a SEER population analysis. Clin Transl Oncol 2019; 21:1499-1509. [PMID: 30903518 DOI: 10.1007/s12094-019-02078-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2018] [Accepted: 02/28/2019] [Indexed: 02/06/2023]
Abstract
PURPOSE The purpose of this study was to explore the differences between stage T2N0M0 and stage T1N1M0 gastric cancer (GC) and to identify the necessity of adjuvant treatment (AT) for these stages. METHODS Between years 2004 and 2015, 1971 stage IB GC patients who underwent radical surgery were recruited using the Surveillance, Epidemiology and End Results database. We conducted univariate/multivariate analyses, the propensity score matching and evaluated gastric cancer-specific survival (GCSS) and overall survival (OS) with the log-rank test. RESULTS T1N1M0 had a significantly worse survival than T2N0M0 in both GCSS and OS before and after the propensity score matching. Examined lymph nodes (ELN) ≤ 15 and T1N1M0 were independent risk factors for worse GCSS and OS in stage IB GC. The absence of adjuvant chemotherapy (CT) was an independent risk factor for worse GCSS and OS in T1N1M0 but not in T2N0M0. AT demonstrated similar GCSS and OS with surgery alone (SA) for T2N0M0 but better survival for T1N1M0. Compared to CT and adjuvant chemoradiotherapy (CRT) group, SA demonstrated significantly worse GCSS and OS for T1N1M0. There was no significant difference between CT and CRT in both T2N0M0 and T1N1M0 stages. T2N0M0 had a better survival than T1N1M0 in ELN ≤ 15 subgroup. However, similar survival was demonstrated in ELN > 15 subgroup. CONCLUSIONS T2N0M0 GC has a better survival rate than T1N1M0 GC when ELN are ≤ 15. Moreover, T2N0M0 GC may not benefit from AT. T1N1M0 GC requires CT but not adjuvant radiotherapy.
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Liu S, Yang C, Guo S, Chen R. Abstract P3-09-06: CXCL1 chemokine stimulates migration and invasion in ER-negative breast cancer through activation of the ERK/MMP-2/9 signaling axis. Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-p3-09-06] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Chemokine (C-X-C motif) ligand 1 (CXCL1), a member of the CXC chemokine family, has been reported to be a critical factor in inflammatory diseases and tumor progression. However, its functions and molecular mechanism in estrogen receptor α (ER) negative breast cancer (BC) has little been known. In this study, we discovered that CXCL1 is overexpression in ER-negative breast cancer tissues and cell lines compared with ER-positive patient tissues and cell lines. Treatment with recombinant human CXCL1 protein promotes ER-negative BC cell migration and invasion in dose-dependent manner and stimulates the activation of p-ERK1/2, but not p-STAT3 or p-AKT. Whereas, knockdown of CXCL1 in BC cells attenuates these effects. Moreover, CXCL1 induces the expression of MMP2/9 via ERK1/2 pathway. The blockage of ERK by its antagonists (U0126) can abolish the effect of CXCL1 on MMP2/9 expression. Furthermore, immunohistochemical (IHC) analysis revealsa strong positive correlation between CXCL1 and p-ERK1/2 expressions in BC tissues. In conclusion, our study illustrates that CXCL1 is highly expressed in ER-negative BC and stimulates cell migration and invasion through ERK/MMP2/9 pathway, which may serve as a potential therapeutictarget in ER-negative breast cancer.
Citation Format: Liu S, Yang C, Guo S, Chen R. CXCL1 chemokine stimulates migration and invasion in ER-negative breast cancer through activation of the ERK/MMP-2/9 signaling axis [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P3-09-06.
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Li Y, Yuan X, Yang H, Chao Y, Guo S, Wang C. One-Step Synthesis of Silver Nanowires with Ultra-Long Length and Thin Diameter to Make Flexible Transparent Conductive Films. MATERIALS 2019; 12:ma12030401. [PMID: 30696028 PMCID: PMC6384764 DOI: 10.3390/ma12030401] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 01/22/2019] [Accepted: 01/24/2019] [Indexed: 12/17/2022]
Abstract
High aspect ratio silver nanowires (AgNWs) with ultra-long length and thin diameter were synthesized through bromine ion (Br−)-assisted one-step synthesis method. The bromine ions were used as pivotal passivating agent. When the molar ratio of Br−/Cl− was 1:4, the average diameter of AgNWs was as low as ~40 nm, the average length was as high as ~120 μm, and the aspect ratio reached 2500. Networks of AgNWs were fabricated using as-prepared high-quality AgNWs as conducting material and hydroxyethyl cellulose (HEC) as the adhesive polymer. As a result, a low sheet resistance down to ~3.5 Ω sq−1 was achieved with a concomitant transmittance of 88.20% and a haze of 4.12%. The ultra-low sheet resistance of conductive film was attributed to the long and thin AgNWs being able to form a more effective network. The adhesion of the AgNWs to the substrate was 0/5B (ISO/ASTM). The insights given in this paper provide the key guidelines for bromine ion-assisted synthesis of long and thin AgNWs, and further designing low-resistance AgNW-based conductive film for optoelectronic devices.
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Duan J, Tang X, Huang S, Jia J, Guo S. A Pilot Study of Short-Term High-Pressure Support Ventilation in Persistent Sudden-Onset Rapid Breathing. Anaesth Intensive Care 2019. [PMID: 23194206 DOI: 10.1177/0310057x1204000608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Shan S, Li HF, Yang XY, Guo S, Guo Y, Chu L, Xu MJ, Xin DM. Higher lncRNA CASC15 expression predicts poor prognosis and associates with tumor growth in cervical cancer. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2019; 23:507-512. [PMID: 30720157 DOI: 10.26355/eurrev_201901_16862] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE To investigate the role of long non-coding RNA Cancer Susceptibility Candidate 15 (CASC15) in cervical cancer and its potential molecular mechanism. PATIENTS AND METHODS The CASC15 expression was measured in cervical cancer tissues and cell lines by using quantitative Real-time polymerase chain reaction (qRT-PCR) analysis. Cell counting kit-8 (CCK8), flow cytometry analysis and transwell cell invasion assays were employed to detect the capacities of cell proliferation and cell invasion. Furthermore, Western blot analysis was applied to detected the E-cadherin and N-cadherin expression in EMT pathway. RESULTS We demonstrated that lncRNA CASC15 expression was higher in cervical cancer tissues compared to adjacent normal tissues. Higher lncRNA CASC15 expression associated with lymph node metastasis and FIGO stage. Moreover, our results showed that higher lncRNA CASC15 expression predicted poor prognosis of cervical cancer. Functional assays showed that knockdown of lncRNA CASC15 suppressed cell proliferation and cell cycle progression in cervical cancer. Moreover, we also found that knockdown of lncRNA CASC15 inhibited cell invasion ability and Epithelial-Mesenchymal Transition (EMT) signaling pathway by upregulating E-cadherin and downregulating N-cadherin expression in cervical cancer. CONCLUSIONS These results indicated that lncRNA CASC15 expression may be a prognostic biomarker and contributed to cell proliferation and invasion in cervical cancer.
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van Campenhout MJH, Brouwer WP, Xie Q, Guo S, Chi H, Qi X, Tabak F, Streinu-Cercel A, Wang JY, Zhang NP, Idilman R, Reesink HW, Diculescu M, Simon K, Akdogan M, Mazur W, de Knegt RJ, Verhey E, Hansen BE, Janssen HLA. Long-term follow-up of patients treated with entecavir and peginterferon add-on therapy for HBeAg-positive chronic hepatitis B infection: ARES long-term follow-up. J Viral Hepat 2019; 26:109-117. [PMID: 30187612 DOI: 10.1111/jvh.12997] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 07/12/2018] [Accepted: 08/08/2018] [Indexed: 12/23/2022]
Abstract
Addition of peginterferon alpha (PEG-IFN add-on) to entecavir (ETV) treatment after a short lead-in phase results in more response than ETV monotherapy in HBeAg-positive chronic hepatitis B infection (CHB). This study is the first to assess long-term efficacy of this treatment strategy. Patients who received ETV ± 24 weeks of PEG-IFN add-on in a global trial (ARES study) and completed follow-up were eligible to participate in this observational LTFU study if they had at least one combined HBeAg and HBV DNA measurement beyond week 96 of the ARES study. The primary endpoint was combined response (HBeAg loss and HBV DNA <200 IU/mL) at LTFU. In total, 48 patients treated with PEG-IFN add-on and 48 patients treated with ETV monotherapy were included. The median follow-up duration was 226 (IQR 51) weeks, and 86/96 (90%) patients were initial non-responders. At LTFU, combined response was present in 13 (27%) vs 11 (23%) patients (P = 0.81), and 1 log10 HBsAg decline in 59% vs 28% (P = 0.02) for PEG-IFN add-on and ETV monotherapy, respectively. In 41 initial non-responders who continued ETV therapy, combined response at LTFU was present in 9 patients (PEG-IFN add-on: 5/22 [23%]; ETV monotherapy: 4/19 [21%]). Beyond week 96 of follow-up, rates of serological response became comparable between PEG-IFN add-on and ETV monotherapy. Although in this LTFU study initial non-responders were overrepresented in the add-on arm, PEG-IFN add-on possibly leads rather to accelerated HBeAg loss than to increased long-term HBeAg loss rates.
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Xiong J, Qiu H, Bi Y, Zhou HL, Guo S, Ding B. Effects of Dietary Supplementation with Tributyrin and Coated Sodium Butyrate on Intestinal Morphology, Disaccharidase Activity and Intramuscular Fat of Lipopolysaccharide-Challenged Broilers. BRAZILIAN JOURNAL OF POULTRY SCIENCE 2018. [DOI: 10.1590/1806-9061-2018-0787] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Guo S, Lu D. Clinical presentation, diagnosis, treatment and outcome of spinal epidural empyema in four cats (2010 to 2016). J Small Anim Pract 2018; 61:381-388. [PMID: 30387154 PMCID: PMC7228219 DOI: 10.1111/jsap.12943] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Revised: 01/02/2018] [Accepted: 06/29/2018] [Indexed: 11/27/2022]
Abstract
This case series reviews previous publications and reports four feline spinal epidural empyema cases that presented with non-ambulatory thoracolumbar myelopathy. Two cats underwent myelography and two MRI. Bacteria were obtained in three cases, in two from epidural abscesses and from a tail base wound in one; histopathological examination of epidural tissue showed pyogranulomatous changes in the remaining cat. Three cats were treated by surgical decompression plus antimicrobial therapy and one cat was treated medically. All cats showed satisfactory improvement following treatment over a follow-up period of 3 months. Spinal epidural empyema is a rare condition but all cats in this series had favourable outcomes.
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Faiz A, Guo S, Kaveney A, Philipp C. Venous thrombosis and breast cancer in older women: Racial differences in risk factors and mortality. Thromb Res 2018; 171:130-135. [DOI: 10.1016/j.thromres.2018.10.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 09/21/2018] [Accepted: 10/01/2018] [Indexed: 12/21/2022]
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Guo S, Jiang JF, Tan C. Lichenoid Contact Dermatitis Induced by Semen Sinapis Albae. J Investig Allergol Clin Immunol 2018; 28:350-352. [DOI: 10.18176/jiaci.0286] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Long S, Zang W, Guo S, Lu J, Yao D. A Study on the effect of modulating the quality of sleep by brainwave music. Int J Psychophysiol 2018. [DOI: 10.1016/j.ijpsycho.2018.07.307] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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