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[Clinical characteristics and prognosis of five children with maturity onset of diabetes of the young 12 subtype]. ZHONGHUA ER KE ZA ZHI = CHINESE JOURNAL OF PEDIATRICS 2024; 62:530-534. [PMID: 38763874 DOI: 10.3760/cma.j.cn112140-20231127-00391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 05/21/2024]
Abstract
Objective: To analyze the genetic and clinical characteristics, treatment and prognosis of patients diagnosed with maturity onset of diabetes of the young (MODY) 12 subtype. Methods: This retrospective study collected and analyzed data from 5 children with MODY12 subtype caused by ABCC8 gene variants who underwent inpatient and outpatient genetic testing at Beijing Children's Hospital from January 2016 to December 2023. Their clinical and genetic features, treatment, and follow-up results were analyzed. Results: Among the 5 patients with MODY12 subtype, 4 were male and 1 was female, with an age of 13.4 (5.5, 14.6) years. Four of the patients were born large for gestational age, while one was born small for gestational age. Two patients were overweight or obese. Three patients exhibited typical symptoms of diabetes, while 2 were incidentally found to have elevated blood glucose level. One patient was found to have diabetic ketoacidosis at onset, who was diagnosed with congenital hyperinsulinism during the neonatal period and received diazoxide treatment, and experienced intellectual developmental delay. All 5 patients had autosomal dominant inherited diabetes within 3 generations. The fasting blood glucose at onset was 7.5 (6.5, 10.0) mmol/L, the haemoglobin, A1c (HbA1c) was 11.8% (7.5%, 13.5%), and the fasting C-peptide was 1.2 (1.1, 2.2)μg/L. The duration of follow-up was 15 (9, 32) months. One patient underwent lifestyle intervention, two received metformin orally, one received insulin therapy, and the other received subcutaneous injection of insulin combined with sulfonylurea orally. At the last follow-up, the median fasting blood glucose was 6.1 (5.1, 7.0) mmol/L, the HbA1c was 5.9% (5.7%, 7.1%), and the fasting C-peptide was 1.7 (0.9, 2.9)μg/L. One patient developed diabetic retinopathy. There were 4 missense variations in ABCC8 gene and one in-frame deletion, all of which were maternally inherited heterozygotes. Conclusions: MODY12 subtype is a heterogeneous disorder with the age of onset from infancy to adolescence. It can present as mild hyperglycemia or diabetic ketoacidosis, and has a high incidence of obesity. Definitive diagnosis can be achieved through genetic test, and individualized treatment is recommended based on glucose levels.
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State-of-the-art electrochemical biosensors based on covalent organic frameworks and their hybrid materials. Talanta 2024; 270:125557. [PMID: 38128284 DOI: 10.1016/j.talanta.2023.125557] [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: 10/19/2023] [Revised: 12/10/2023] [Accepted: 12/13/2023] [Indexed: 12/23/2023]
Abstract
As the development of global population and industry civilization, the accurate and sensitive detection of intended analytes is becoming an important and great challenge in the field of environmental, medical, and public safety. Recently, electrochemical biosensors have been constructed and used in sensing fields, such as antibiotics, pesticides, specific markers of cancer, and so on. Functional materials have been designed and prepared to enhance detection performance. Among all reported materials, covalent organic frameworks (COFs) are emerging as porous crystalline materials to construct electrochemical biosensors, because COFs have many unique advantages, including large surface area, high stability, atom-level designability, and diversity, to achieve a far better sensing performance. In this comprehensive review, we not only summarize state-of-the-art electrochemical biosensors based on COFs and their hybrid materials but also highlight and discuss some typical examples in detail. We finally provide the challenge and future perspective of COFs-based electrochemical biosensors.
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TFAM Modulates Cardiomyocytes Pyroptosis Induced by Ionizing Radiation through mtDNA/TLR9/NF-kB Pathway. Int J Radiat Oncol Biol Phys 2023; 117:S119-S120. [PMID: 37784308 DOI: 10.1016/j.ijrobp.2023.06.455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Mitochondrial transcription factor A (TFAM) is a pivotal factor for regulating mitochondrial DNA (mtDNA) replication, transcription and biogenesis. Previous studies have reported that cytosolic mtDNA stress can lead to cardiomyocytes pyroptosis, which is characterized by inflammasome formation. In this study, we attempted to investigate the mechanism of TFAM regulate cardiomyocytes pyroptosis induced by ionizing radiation. MATERIALS/METHODS The peripheral blood serum of patients with esophageal cancer before and after definitive chemoradiotherapy was collected for Luminex multiplex cytokine assays. C57BL/6 mice were irradiated with the whole heart using small animal radiation research platform (SARRP) to construct a radiation-induced myocardial damage (RIMD) mouse model, and the ventricular function was evaluated using 9.4T Bruker magnetic resonance (MR) scanner. The function changes of cardiomyocytes exposed to radiation were observed in vitro and in vivo after knocking out GSDMD. Furthermore, the changes of mitochondrial function, the levels of cytosolic mtDNA, and the protein levels of NF-kB and pyroptosis pathway in irradiated cardiomyocytes were analyzed by knockdown and overexpression of TFAM in vitro and in vivo. RESULTS By multifactor cytokine assays we found that pyroptosis related IL-1β and IL-18 were significantly increased in patients with high mean heart dose (MHD) after radiotherapy, while those with low MHD were not significantly increased after radiotherapy. Next, we successfully constructed the RIMD mouse model using a single heart irradiation of 20 Gy. We found that the gene expression of pyroptosis pathway was significantly up-regulated after cardiac irradiation by myocardial tissue transcriptomic sequencing. Compared with wild-type (WT) mice, cardiac systolic function of Gsdmd-/- mice was significantly improved at 1, 2, 6, 12, and 24 weeks after heart irradiation. In vitro, we also demonstrated increased viability of irradiated cardiomyocytes by knocking out GSDMD. In vitro and in vivo experiments confirmed the expression of TFAM decreased after radiation. By overexpression of TFAM, we found that irradiated cardiomyocytes showed improved mitochondrial function, decreased release of mtDNA into cytoplasm through mitochondrial permeability transition pores (mPTPs), decreased binding of cytosolic mtDNA to TLR9, and decreased expression of NF-kB and pyroptosis pathway proteins. Dual luciferase gene reporter assays and Chromatin immunoprecipitation (CHIP) assay confirmed that p65 could bind the NLRP3 promoter region. In addition, we found that ventricular function deteriorated and improved in mice with knockdown and overexpression of TFAM through adeno-associated virus serotype 9 (AAV9), respectively. CONCLUSION Our study indicated that TFAM regulate irradiated cardiomyocytes pyroptosis through mtDNA/TLR9/NF-kB pathway. We provide a novel mechanism of RIMD, revealing an underappreciated intervention target for RIMD.
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Safety and Efficacy Analysis of Patients with Extensive-Stage Small Cell Lung Cancer (ES-SCLC) Treated with SHR-1316 Plus Chemotherapy and Sequential Chest Radiotherapy as First-Line Therapy from a Phase II Trial. Int J Radiat Oncol Biol Phys 2023; 117:S58-S59. [PMID: 37784531 DOI: 10.1016/j.ijrobp.2023.06.354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) CAPSTONE-1, a phase 3 trial, showed that SHR-1316 (PD-L1 antibody) combined with standard first-line chemotherapy could prolong overall survival (OS) in patients (pts) with ES-SCLC. The CREST trial reported consolidative thoracic radiotherapy (TRT) of 30 Gy in 10 fractions provided a 10% 2-year OS benefit and more intensive TRT should be investigated in ES-SCLC. In the era of immunotherapy, the role of TRT also needs further exploration. Therefore, we designed this clinical trial to investigate the efficacy and safety of SHR-1316 plus first-line chemotherapy followed by TRT combined with SHR-1316. MATERIALS/METHODS Key inclusion criteria were pts aged 18-75 years, with previously untreated histologically or cytologically confirmed ES-SCLC, and an ECOG performance status of 0-1. Eligible pts would receive 4∼6 cycles of SHR-1316 (20mg/kg, D1, q3w) combined with EP/EC (etoposide, 100mg/m2, D1-5, q3w and cisplatin, 75mg/m², D1-3, q3w or carboplatin, AUC = 5, D1, q3w), followed by SHR-1316 combined with TRT (≥3 Gy*10 f or ≥2 Gy*25 f, involved-field irradiation), and then the maintenance therapy with SHR-1316 until disease progression or intolerable adverse events (AEs). The main endpoints included ORR, PFS and safety. RESULTS From October 2020 to January 2023, 33 pts received SHR-1316 and sequential consolidative TRT. Among them, 19 pts received high-dose TRT (>3 Gy*10 f or ≥2 Gy*25 f) and 14 pts received low-dose TRT (≤3 Gy*10 f or<2 Gy*25 f). The median age was 62 (range: 38-73). Most pts were male (28, 84.8%), former smokers (22, 66.7%) with an ECOG performance status 1 (32, 97%). Ten (30.3%) pts were diagnosed with brain metastasis and 10 (30.3%) pts had liver metastasis at baseline. At the data cutoff date, 9 pts remained on treatment, the average number of treatment cycles was 9.2. 33 pts had at least one 1 post-treatment tumor assessment. The confirmed ORR and DCR were 90.9% (30/33) and 100% (33/33) in all pts, were 89.5% (17/19) and 100% (19/19) in high-dose TRT group, and were 92.9% (13/14) and 100% (14/14) in low-dose TRT group. The median PFS was 10.2(CI: 5.8∼14.7) months in all pts, was 7 (CI: 3.8∼10.2) months in high-dose TRT group and 10.4 (CI: 8.4∼12.3) months in low-dose TRT group. AEs occurred in 27 (81.8%) pts and grade 3 or 4 AEs occurred in 20 (60.6%) pts. The most common grade 3 or 4 AEs included neutropenia (15, 45.5%), leukopenia (8, 24.2%), lymphocytopenia (5, 15.2%), pneumonia (3, 9.1%), anemia (3, 9.1%) and thrombocytopenia (2, 6.1%). CONCLUSION SHR-1316 plus chemotherapy and sequential TRT as first-line therapy for ES-SCLC showed promising efficacy and acceptable safety. There is no significant difference between high-dose and low-dose TRT groups in terms of safety and efficacy according to current data.
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Performance Evaluation in Automatic Plan Generation for Ethos Intelligent Optimization Engine. Int J Radiat Oncol Biol Phys 2023; 117:e736. [PMID: 37786140 DOI: 10.1016/j.ijrobp.2023.06.2263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) To evaluate the automatic optimization performance and clinical feasibility of the Intelligent Optimization Engine (IOE) of Ethos online adaptive radiotherapy platform. MATERIALS/METHODS Eleven patients with cervical cancer treated with Halcyon accelerator were retrospectively selected. All the patients manually planned with four full arc volume rotating intensity modulated radiotherapy (VMAT) (Manual-4Arc), and the prescription dose was 45 Gy/25F. All patient images and structures were imported into Ethos simulator, and clinical goals were added appropriately based on clinical requirements. The target coverage was normalized to 95%. 7F, 9F, 12F IMRT plans and 2Arc, 3Arc VMAT plans were automatically generated by IOE. Dosimetric index comparisons were made among the Manual-4Arc plans and five group IOE generated plan to evaluate the automatic optimization performance of IOE. RESULTS In terms of hot dose area, for PTV, D1% of IMRT-12F plans was the lowest, and there were significant differences between IMRT-12F plans and Manual-4Arc plans (46.936 ± 0.241 vs 48.639 ± 2.395, p = 0.004); In terms of target coverage, the CTVs of all groups meet clinical requirements. Although the Ethos online adaptive plans have been normalized during planning, the PTV coverage is slightly insufficient (12F: 94.913 ± 0.154; 9F: 94.585 ± 1.148). For OARs close to target, such as bladder, V30Gy, V40Gy and Dmean have significant differences among the six group plans. The order of bladder dose is basically followed by IMRT-12F CONCLUSION The plans automatically generated by Ethos IOE can achieve similar performance as the manual plan, and the automatically generated IMRT-12F and 9F plans are preferred for clinical use.
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Dose DIBH Really Reduce the Subclinical Cardiac Acute Injury? Analysis of Clinical Real World from Our Institute. Int J Radiat Oncol Biol Phys 2023; 117:e189. [PMID: 37784820 DOI: 10.1016/j.ijrobp.2023.06.1050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) The study is aim to investigate whether Deep-inspirational breath-hold (DIBH), compared with free breathing (FB), could provide a short-term cardiac benefit in patients with early left breast cancer after breast-conserving surgery combined whole breast radiotherapy. MATERIALS/METHODS A total of 78 patients with early stage left breast cancer treated with radiotherapy between 2021-2022 after breast-conserving surgery were enrolled. Among them, 32 cases were treated with DIBH technique and 46 cases were treated with free breathing. Patients with previous cardiac disease such as coronary artery disease were excluded. We performed myocardial enzymes, ECG, and ECHO in all patients within 2 weeks before, during, and 6 months after radiotherapy. The results of the two groups were compared using nonparametric tests and chi-square tests, and P < 0.05 indicated statistical significance. Where subclinical acute cardiac injury was defined as new above-normal myocardial enzymes and/or electrocardiographic ST-T or T-wave changes and/or ECHO abnormalities after the start of radiotherapy. RESULTS The median follow-up of patients was 6 months and the mean age of patients was 52.3 years for FB and 44.9 years for DIBH. There were no significant differences in staging, molecular subtype, chemotherapy and endocrine therapy history. The proportion of subclinical acute cardiac injury was smaller in the DIBH group compared to the FB group (DIBH = 31/46 and FB = 28/32, p = 0.042). The most sensitive of the subclinical acute cardiac injury events were detected by myocardial enzymes rising, with cTnI (p = 0.034) and NT-proBNP (p = 0.023) appearing significantly lower in the DIBH patients during radiotherapy. The difference of cTnI between 2 groups at 6 months after radiotherapy became non-significant. In contrast, CK-MB was higher in DIBH compared with FB only 6 months after radiotherapy (p = 0.006). The differences in ECG and ECHO were not significant between the two groups. CONCLUSION After breast-conserving surgery combined with radiotherapy for left early breast cancer, DIBH compared to FB reduces the proportion of acute subclinical cardiac injury that occurs with the most sensitive changes in myocardial enzymes. Subsequent studies will explore the relationship between the short-term subclinical injury and irradiated dose, as well as long term cardiac injury.
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The Predictive Value of Changes in Basal Myocardial F-18 Fluorodeoxyglucose Uptake for Cardiotoxicity in Locally Advanced Esophageal Cancer Patients Receiving Definitive Radiotherapy. Int J Radiat Oncol Biol Phys 2023; 117:e285. [PMID: 37785059 DOI: 10.1016/j.ijrobp.2023.06.1272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) To investigate the predictive value of changes in myocardial 18F-FDG uptake for major adverse cardiac events (MACEs) in locally advanced esophageal cancer patients receiving definitive radiotherapy. MATERIALS/METHODS Between August 2012 and January 2018, 400 patients with stage II-III esophageal cancer receiving definitive radiotherapy at two institutions were divided into the training (n = 240) and external validation cohorts (n = 160). All patients underwent FDG-PET imaging within 1 week before treatment and 3 months after treatment. Myocardium delineation was performed by Carimas software (version 2.10) based on the AHA 17-segment model. When contouring the left ventricle, the myocardium was automatically divided into basal (segments 1-6), middle (segments 7-12), and apical (segments 13-16) regions, and the mean dose and FDG uptake parameters of each region were obtained by Carimas. Our primary endpoint was MACEs. Patient clinicopathologic factors, dosimetric parameters for the whole heart and cardiac substructures, and myocardial changes within the three regions on 18F-FDG PET were utilized to seek the best predictive models for cardiotoxicity. To avoid multicollinearity between dose-volume histogram (DVH) parameters, we selected the variables with the lowest Akaike Information Criterion (AIC) value from the DVH parameters of the same cardiac structure for the actual modeling procedure. Competing risk analysis and Cox regressions analysis were performed. The predictive performance of the models was evaluated using the area under the receiver operating characteristic curve (AUC) and Brier score. RESULTS At a median follow-up interval of 78 months, 28 patients (11.7%) developed MACEs. The basal region of the myocardium received the highest radiation dose, followed by the middle and the apex region. The basal myocardial SUVmax and SUVmean significantly increased after radiotherapy while the apical and middle myocardial SUVmax and SUVmean not significantly increased. In univariate analysis, age, pre-existing cardiac disease, changes in pre- and post-treatment basal myocardial SUVmax and SUVmean (∆SUVmax and ∆SUVmean), and dosimetric parameters for MHD, mean LCX, mean LAD, and mean LV dose were associated with an increased hazard of MACEs. Multivariate analysis showed that basal ∆SUVmean retained significance after adjusting for age, pre-existing cardiac disease, and dosimetric parameters for whole heart and cardiac substructures. The AUCs and Brier scores demonstrated favorable predictive accuracies of the model's integrating variables with significant difference in multivariate analysis when predicting MACEs in the training and validation cohorts. CONCLUSION ∆SUVmean was an independent indicator of MACE in locally advanced esophageal cancer patients receiving definitive radiotherapy. Changes in basal myocardial FDG uptake is a promising biomaker for predicting radiation-induced cardiotoxicity.
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PD-L1 Inhibitors Combined with Thoracic Radiotherapy in First-Line Treatment of Extensive Stage Small Cell Lung Cancer: A Propensity Score-Matched, Real-World Study. Int J Radiat Oncol Biol Phys 2023; 117:S127-S128. [PMID: 37784327 DOI: 10.1016/j.ijrobp.2023.06.472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) The CREST study showed that the addition of thoracic radiotherapy (TRT) could improve the survival of extensive stage small cell lung cancer (ES-SCLC), but whether TRT can bring survival benefit in the era of immunotherapy is controversial. This study aims to explore the efficacy and safety of adding TRT to the combination of PD-L1 inhibitors and chemotherapy. MATERIALS/METHODS Thepatients who received PD-L1 inhibitors combined with platinum-based chemotherapy as the first-line treatment of ES-SCLC from January 2019 to December 2021 were retrospectively collected. According to whether they received TRT, they were divided into two groups, and the follow-up analysis was performed. Propensity score matching (PSM) in with a 1:1 ratio was performed to balance the baseline characteristics of the two cohorts. The endpoints were progression-free survival (PFS) and OS. RESULTS A total of 211 patients with ES-SCLC were enrolled, of whom 70 (33.2%) patients received standard therapy plus TRT as first-line treatment, and 141 (66.8%) patients in the control group received PD-L1 inhibitors plus chemotherapy. After PSM, a total of 65 pairs of patients were enrolled in the analysis. There were no significant differences in baseline characteristics between the two groups of patients who received TRT and those who did not. In all patients, the median PFS (mPFS) in the TRT group and the non-TRT groupwere 9.5 months and 7.2 months, respectively, with HR = 0.60 (95% CI 0.41-0.87, p = 0.007). The median OS (mOS) in the TRT group was also significantly longer than that in the non-TRT group (24.1 months vs. 18.5 months, HR = 0.53, 95% CI 0.32-0.85, p = 0.009). Multivariable analysis showed that baseline liver metastasis and bone metastasis were independent prognostic factors for OS. In terms of safety, immunotherapy combined with thoracic radiotherapy increased the incidence of treatment-related pneumonia (p<0.001), most of which were grade 1-2. CONCLUSION This real-world study shows that adding TRT to durvalumab or atezolizumab plus chemotherapy significantly improves survival in ES-SCLC. It leads to more treatment-related pneumonia, but most of them can be relieved after symptomatic treatment. This treatment model deserves to be explored in prospective clinical trials.
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Enhanced Radiosensitivity of Esophagus Cancer through Loss of ADAR1 and Cell Apoptosis via NF-kB Signaling Pathway. Int J Radiat Oncol Biol Phys 2023; 117:e261. [PMID: 37785001 DOI: 10.1016/j.ijrobp.2023.06.1215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) RNA editing is a common posttranslational mechanism for generating genomic diversity by modifying selected RNA sequences without altering the genome. A new understanding of cancer therapy can be enhanced by the discovery of ADAR1 in the control of signal transduction pathways. However, the study of the biological effects of ADAR1 in radioresistance of esophageal cancer is not very deep. MATERIALS/METHODS The TCGA data sets were used to explore the correlations between ADAR1 and prognosis in esophageal cancer. Two pairs of ADAR1 gene siRNA fragments (siADAR1-1 and siADAR1-2) were designed and transiently transfected into KYSE410 cells and KYSE410-RT cells. The expression of ADAR1 was detected by RT-PCR and WB. Colony formation assay was used to evaluate the radiosensitivity. Apoptosis was measured using a flow cytometric apoptosis assay. Furthermore, transcriptome sequencing was performed to elucidate the pathways regulated by ADAR1. RESULTS In this study, we found that ADAR1 is overexpressed in esophageal tumors and is associated with poor prognosis in bioinformatics analysis. Colony formation experiment showed that siRNA-mediated depletion of ADAR1 in KYSE410 cells could inhibit cell proliferation and reduce radiosensitivity significantly. Consistently results were showed in KYSE410-RT cells. Mechanism studies revealed loss of ADAR1 induced cell apoptosis and radiotherapy could enhance this process. Transcriptomic data indicated that ADAR1 could regulate apoptosis through the NF-kB pathway. CONCLUSION RNA editing was found to be involved in the regulation of radiosensitivity of esophageal cancer and loss of ADAR1 can cause cell apoptosis though NF-kB pathway. A better understanding of A-to-I RNA editing and its oncogenic mechanisms may facilitate the development of radiotherapy in esophageal cancer.
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Energetic Electron Precipitation Driven by Electromagnetic Ion Cyclotron Waves from ELFIN's Low Altitude Perspective. SPACE SCIENCE REVIEWS 2023; 219:37. [PMID: 37448777 PMCID: PMC10335998 DOI: 10.1007/s11214-023-00984-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 06/28/2023] [Indexed: 07/15/2023]
Abstract
We review comprehensive observations of electromagnetic ion cyclotron (EMIC) wave-driven energetic electron precipitation using data collected by the energetic electron detector on the Electron Losses and Fields InvestigatioN (ELFIN) mission, two polar-orbiting low-altitude spinning CubeSats, measuring 50-5000 keV electrons with good pitch-angle and energy resolution. EMIC wave-driven precipitation exhibits a distinct signature in energy-spectrograms of the precipitating-to-trapped flux ratio: peaks at >0.5 MeV which are abrupt (bursty) (lasting ∼17 s, or Δ L ∼ 0.56 ) with significant substructure (occasionally down to sub-second timescale). We attribute the bursty nature of the precipitation to the spatial extent and structuredness of the wave field at the equator. Multiple ELFIN passes over the same MLT sector allow us to study the spatial and temporal evolution of the EMIC wave - electron interaction region. Case studies employing conjugate ground-based or equatorial observations of the EMIC waves reveal that the energy of moderate and strong precipitation at ELFIN approximately agrees with theoretical expectations for cyclotron resonant interactions in a cold plasma. Using multiple years of ELFIN data uniformly distributed in local time, we assemble a statistical database of ∼50 events of strong EMIC wave-driven precipitation. Most reside at L ∼ 5 - 7 at dusk, while a smaller subset exists at L ∼ 8 - 12 at post-midnight. The energies of the peak-precipitation ratio and of the half-peak precipitation ratio (our proxy for the minimum resonance energy) exhibit an L -shell dependence in good agreement with theoretical estimates based on prior statistical observations of EMIC wave power spectra. The precipitation ratio's spectral shape for the most intense events has an exponential falloff away from the peak (i.e., on either side of ∼ 1.45 MeV). It too agrees well with quasi-linear diffusion theory based on prior statistics of wave spectra. It should be noted though that this diffusive treatment likely includes effects from nonlinear resonant interactions (especially at high energies) and nonresonant effects from sharp wave packet edges (at low energies). Sub-MeV electron precipitation observed concurrently with strong EMIC wave-driven >1 MeV precipitation has a spectral shape that is consistent with efficient pitch-angle scattering down to ∼ 200-300 keV by much less intense higher frequency EMIC waves at dusk (where such waves are most frequent). At ∼100 keV, whistler-mode chorus may be implicated in concurrent precipitation. These results confirm the critical role of EMIC waves in driving relativistic electron losses. Nonlinear effects may abound and require further investigation.
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[Advances in clinical characteristics of talaromycosis combined with other opportunistic infections]. ZHONGHUA JIE HE HE HU XI ZA ZHI = ZHONGHUA JIEHE HE HUXI ZAZHI = CHINESE JOURNAL OF TUBERCULOSIS AND RESPIRATORY DISEASES 2023; 46:503-506. [PMID: 37147814 DOI: 10.3760/cma.j.cn112147-20220807-00659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Talaromycosis (TSM) is an opportunistic deep mycosis prevalent in southeast Asia and southern China, affecting HIV-positive, anti-interferon-gamma autoantibody-positive and other immunodeficiency hosts. These hosts are often co-infected with mycobacterium tuberculosis, non-tuberculosis mycobacteria, bacteria, fungi, viruses and other opportunistic infections. The clinical characteristics and the pathogenic spectrum of TSM with opportunistic infections vary with different immune states. The rates of misdiagnosis, missed diagnosis and mortality are high. This review summarized the clinical characteristics of TSM with opportunistic infections in order to improve the level of clinical diagnosis and treatment.
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[Persistence follow-up of immune memory to hepatitis B vaccine among infants with non- and low-response to primary vaccination after revaccination with three doses]. ZHONGHUA YU FANG YI XUE ZA ZHI [CHINESE JOURNAL OF PREVENTIVE MEDICINE] 2023; 57:732-735. [PMID: 37165820 DOI: 10.3760/cma.j.cn112150-20220511-00468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
This study followed up the immune memory after 3-dose revaccination among infants with non-and low-response following primary hepatitis B (HepB) vaccination. About 120 children without self-booster doses were finally included who had anti-HBs<10 mIU/ml (anti-HBs negative) at the time of follow-up, of whom 86 children completed blood sampling and anti-HBs testing. Before the challenge dose, all 86 children were negative for anti-HBs, and the GMC of anti-HBs was<10 mIU/ml. The seropositive conversion rate of anti-HBs was 100% and the GMC of anti-HBs was 886.11 (95%CI: 678.15-1 157.84) mIU/ml after the challenge dose. Compared with those with GMC<7 mIU/ml before the challenge dose, infants with GMC>7 mIU/ml had a higher anti-HBs level after the challenge dose. The β value (95%CI) was 0.82 (0.18-1.46) (P=0.012). Compared with those with GMC<1 000 mIU/ml at primary vaccination, infants with GMC≥1 000 mIU/ml had a higher anti-HBs level after the challenge dose. The β value (95%CI) was 0.78 (0.18-1.38)(P=0.012). The results showed a stronger immune memory was found at 9 years after revaccination among infants with non-and low-response to HepB.
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172P A Chinese multicenter, real-world study of PD-L1 inhibitors in extensive stage small cell lung cancer. J Thorac Oncol 2023. [DOI: 10.1016/s1556-0864(23)00426-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2023]
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14MO Updated efficacy and safety of taletrectinib in patients (pts) with ROS1+ non-small cell lung cancer (NSCLC). J Thorac Oncol 2023. [DOI: 10.1016/s1556-0864(23)00268-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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29P A phase I, open-label, dose escalation and dose expansion study to evaluate the safety, tolerability, pharmacokinetics/pharmacodynamics, antitumor activity of QL1604, a humanized anti-PD-1 mAb, in patients with advanced solid tumors. ESMO Open 2023. [DOI: 10.1016/j.esmoop.2023.100995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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105P Neoadjuvant tislelizumab combined with chemoradiotherapy for resectable locally advanced esophageal squamous cell carcinoma (ESCC): Single arm phase II study. IMMUNO-ONCOLOGY AND TECHNOLOGY 2022. [DOI: 10.1016/j.iotech.2022.100209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Prophylactic Cranial Irradiation (PCI) vs. Active Surveillance in Patients with Limited-Stage Small Cell Lung Cancer: A Retrospective, Multicenter study. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.658] [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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To what extent do social support and mastery mediate the association between childhood maltreatment and depression? A sequential causal mediation analysis. Epidemiol Psychiatr Sci 2022; 31:e77. [PMID: 36263598 PMCID: PMC9677445 DOI: 10.1017/s2045796022000609] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
AIMS This study aimed to examine the independent roles of various childhood maltreatment (CM) subtypes in the development of depression; quantify the joint mediation effect of social support and mastery in the association between subtypes of CM and depression and examine the additional contribution of mastery beyond the effect that is operating through social support to this relationship. METHODS Data analysed were from the Zone d'Épidémiologie Psychiatrique du Sud-Ouest de Montréal, an ongoing longitudinal population-based study. In total, 1351 participants with complete information on the studied variables were included. The propensity score matching and inverse-probability weighted regression adjustment estimation methods were used to minimise the potential confounding in the relationship between CM and major depression. We then used inverse odds ratio-weighted estimation to estimate the direct effects of maltreatment and indirect effects of social support and mastery. RESULTS We found that exposures to all maltreatment subtypes increased the risk of subsequent depression. The joint mediating effect of social support and mastery explained 37.63-46.97% of the association between different maltreatment subtypes and depression. The contribution of these two mediators differed by maltreatment subtypes, with social support being the major contributor to the mediating effect. CONCLUSIONS The findings of the study not only provide scientific evidence on the importance of psychosocial attributes in the development of major depression but also suggest that prevention and invention strategies should focus on these psychosocial attributes to effectively break the vicious cycle of CM on major depression.
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281 Out-of-Hospital TXA Administration Opportunities in Trauma Patients Transported by ALS Ground EMS - A Descriptive Study. Ann Emerg Med 2022. [DOI: 10.1016/j.annemergmed.2022.08.308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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Retraction Note to: Inhibition of microRNA‑875‑5p promotes radioiodine uptake in poorly differentiated thyroid carcinoma cells by upregulating sodium-iodide symporter. J Endocrinol Invest 2022; 45:2025. [PMID: 35836040 DOI: 10.1007/s40618-022-01852-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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[Anti-HBs persistence after primary vaccination with three doses of 5 μg recombinant hepatitis B vaccine among normal and high-responder infants: 10-year of follow-up]. ZHONGHUA YU FANG YI XUE ZA ZHI [CHINESE JOURNAL OF PREVENTIVE MEDICINE] 2022; 56:794-799. [PMID: 35785861 DOI: 10.3760/cma.j.cn112150-20210630-00620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Objective: Assess the 10-year Immune persistence and the predictors after primary vaccination hepatitis B vaccine (HepB) among normal and high-responder infants. Methods: A total of 1 838 Infants of 7-12 months old located in Jinan, Weifang, Yantai and Weihai of Shandong Province who were induced normal or high antibody response (anti-HBs titer ≥ 100 mIU/ml) after primary vaccination (three dose with 0-1-6 procedure) with 5 μg recombinant HepB among newborns were included in the study, in 2009. 3 ml of venous blood samples were collected at baseline survey (T0) and antibodies against hepatitis B surface antigen (anti-HBs), antibody against hepatitis B core antigen (anti-HBc) and hepatitis B surface antigen (HBsAg) were detected using chemiluminescence microparticle immunoassay (CMIA) method. A self-designed questionnaire was used to collect information including the infant's age, sex, birth weight, premature birth, birth number, delivery location and mother's HBV infection status. In 2014 (followed up for 5 years) and in 2019 (followed up for 10 years) (T1), 2 ml of venous blood samples were collected. Anti HBS and anti HBC were detected by CMIA method. Those with anti HBS<10 mIU/ml were detected by CMIA method. Multivariate unconditional logistic and linear regression models were used to analyze the influencing factors of anti-HBs positive rate and geometric mean concentration (GMC) at T1. Results: After 10 years follow-up, 73.94% of the subjects (1 359/1 835) finished the follow-up. 51.15% of the subjects, a total of 625 were boys. The positive rate of anti-HBs was 100% at T0 and decreased to 53.44% (95%CI: 50.59%-56.26%) at T1. The average annual decline rate of anti-HBs positive rate from T0 to T1 was 6.07%. The GMC of anti-HBs decreased from 607.89 (95%CI: 579.01-642.62) mIU/ml to 16.44 (95%CI: 15.06-18.00) mIU/ml. The average annual decline rate of anti-HBs GMC in 10-year follow-up was 30.30%. Multivariate logistic analysis showed that the positive rate of anti-HBs at T1 was lower in those who did not vaccinate the first dose in time (OR=0.25, 95%CI:0.07-0.71). Compared with those with GMC<1 000 mIU/ml at T0, those with GMC ≥ 1 000 mIU/ml had a higher positive rate of anti-HBs at T1 (OR=2.29, 95%CI:1.76-2.97). Multivariate regression analysis showed that the GMC of anti-HBs at T1 was lower in those who did not vaccinate the first dose in time (β=-0.50, 95%CI:-1.24-0.24). Compared with those with GMC<1 000 mIU/ml at T0, those with GMC ≥ 1 000 mIU/ml had a higher GMC of anti-HBs at T1 (β=0.81, 95%CI: 0.62-1.05). Conclusion: Anti-HBs GMC decreased in 10 years after primary vaccination of 5 μg recombinant hepatitis B vaccine among normal and high-responders. The anti-HBs persistence was mainly associated with whether the first dose was vaccinated in time and the level of anti-HBs at the end of primary vaccination.
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The efficacy and safety of different doses of calcitriol combined with neutral phosphate in X-linked hypophosphatemia: a prospective study. Osteoporos Int 2022; 33:1385-1395. [PMID: 35088103 PMCID: PMC9106624 DOI: 10.1007/s00198-021-06221-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Accepted: 10/19/2021] [Indexed: 11/03/2022]
Abstract
UNLABELLED The present study was the first prospective cohort evaluated the efficacy and safety of different doses of calcitriol in XLH children. The results suggested that a dose of 40 ng/kg/day calcitriol, compared with 20 ng/kg/day, was more effective in relieving the rickets, with similar safety outcomes. Further investigations were expected to set more dose groups. INTRODUCTION Dose recommended for calcitriol in X-linked hypophosphatemia (XLH) varies in different studies. Therefore, we aimed to compare the efficacy as well as the safety of 20 ng/kg/d and 40 ng/kg/d calcitriol in Chinese XLH pediatrics population. METHODS A 2-year, randomized, open-label, prospective study recruited 68 XLH children, which were randomized to receive either 40 ng/kg/day or 20 ng/kg/day calcitriol. Efficacy endpoints were the total Thacher ricket severity score (RSS) change from baseline to month 12 and 24, the difference in serum TALP level, fasting serum phosphate level, body height Z-score, and frequency of dental abscess. Safety assessments were done using renal ultrasound nephrocalcinosis grades (0-4), fasting serum and 24 h urine calcium level, and the occurrence of hyperparathyroidism. RESULTS The decrease in the total RSS from baseline was more significant in the high-dose group at 12 (difference 0.87, p = 0.049) and 24 month (difference 1.23, p = 0.011). The serum TALP level was significantly lower in the high-dose group at 6 months. Pi level, height Z-score change, frequency of dental abscess and ratio of de novo nephrocalcinosis were comparable. A lower incidence of secondary hyperparathyroidism was seen in the high-dose group (p < 0.0001). CONCLUSION For the first time in this prospective cohort, 40 ng/kg/d calcitriol was shown to be the more effective therapy in XLH children than the 20 ng/kg/d. Moreover, 40 ng/kg/d calcitriol was not associated with increasing adverse events. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT 03,820,518.
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POS1016 RELATIONSHIPS BETWEEN DISEASE DURATION AND RADIOGRAPHIC PROGRESSION AMONG PATIENTS WITH PSORIATIC ARTHRITIS TREATED WITH SECUKINUMAB IN FUTURE 5. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundFor patients with psoriatic arthritis (PsA), delays in diagnosis and treatment can lead to permanent radiographic damage, even early in the course of disease.1 In the phase 3 FUTURE 5 study (NCT02404350), treatment with secukinumab (SEC) was shown to inhibit progression of structural damage through Week 104 in patients with PsA.2 However, the effect of disease duration on inhibition of radiographic progression by SEC has not been characterized.ObjectivesThis post hoc analysis explored relationships between time since diagnosis (TSD) of ≤1 year vs >1 year and radiographic progression among patients with PsA receiving SEC over 2 years in FUTURE 5.MethodsPatient data from FUTURE 5 were stratified by TSD ≤1 year vs >1 year and analyzed by treatment arm. Through Week 24, patients received SEC 300 or 150 mg with subcutaneous loading dose (LD), SEC 150 mg without LD, or placebo (PBO) (period 1). After Week 24, patients receiving PBO were switched to SEC 300 or 150 mg (period 2), and a protocol amendment allowed those with suboptimal clinical response to SEC 150 mg to escalate to SEC 300 mg after Week 52 per investigator judgment.2 The proportion of patients with no radiographic progression, defined as change from baseline in van der Heijde total modified Sharp score ≤0.0, was analyzed at Weeks 24, 52, and 104. Mean total Sharp score was evaluated at baseline, and mean change from baseline was determined at Weeks 24, 52, and 104.ResultsOf 996 patients with PsA included here, 217 (21.8%) had a TSD ≤1 year and 779 (78.2%) had a TSD >1 year. At baseline, patients with TSD >1 year had greater radiographic damage than patients with TSD ≤1 year as determined by mean total Sharp score (Table 1). As early as Week 24, patients receiving SEC had less radiographic progression than those receiving PBO, regardless of TSD. From Week 24 to Week 104, radiographic progression remained low among all patients receiving SEC, with a trend of least progression among patients randomized to SEC 300 mg at baseline. Regardless of treatment, patients with TSD >1 year had numerically greater radiographic progression than those patients with TSD ≤1 year. Overall, the proportion of patients receiving SEC who did not have any radiographic progression was higher than that of placebo at Week 24 irrespective of TSD, with a trend towards a higher number of non-progressors among those treated with SEC 300 mg (Figure). Patients randomized to SEC 300 mg were the least likely to experience radiographic progression through 52 weeks.Table 1.Baseline Total Sharp Score and Change From Baseline at Weeks 24, 52, and 104 by TSDTotal Sharp scoreTSD ≤1 yearTSD >1 yearPeriod 1SEC 300 mg n = 54SEC 150 mg n = 46SEC 150 mg NL n = 43PBO n = 74SEC 300 mg n = 168SEC 150 mg n = 174SEC 150 mg NL n = 179PBO n = 258Baseline, mean (SD)8.02 (20.77)8.82 (12.06)12.74 (33.67)8.84 (20.42)14.37 (24.17)14.67 (28.01)15.56 (37.52)17.34 (41.21)Week 24 change from baseline, mean (SD)0.05 (0.72)−0.08 (1.40)−0.61 (5.25)0.76 (2.05)0.09 (1.37)0.23 (1.24)0.03 (2.05)0.42 (1.56)Period 2SEC 300 mg* n = 54SEC 150 mg†n = 46SEC 150 mg NL†n = 43PBO ‒ 300 mg n = 40PBO ‒ 150 mg†n = 30SEC 300 mg* n = 168SEC 150 mg†n = 174SEC 150 mg NL†n = 179PBO ‒ 300 mg n = 113PBO ‒ 150 mg†n = 123Week 52 change from baseline, mean (SD)0.05 (0.48)−0.03 (1.22)0.35 (2.25)0.22 (0.70)0.18 (0.75)−0.07 (1.16)0.26 (1.96)0.26 (1.05)0.16 (0.94)0.40 (2.00)Week 104 change from baseline, mean (SD)0.06 (0.63)0.11 (0.99)0.20 (2.71)0.11 (0.68)−0.07 (0.50)0.11 (2.00)0.62 (2.94)0.46 (2.08)0.12 (0.90)0.81 (2.66)NL, no loading dose; PBO, placebo; SEC, secukinumab; TSD, time since diagnosis.* One outlier in the 300-mg dose group was excluded.† Includes patients who received dose escalation to SEC 300 mg after Week 52.ConclusionSEC resulted in low rates of radiographic progression through 2 years of treatment among patients in FUTURE 5, regardless of time since PsA diagnosis.References[1]Haroon M, et al. Ann Rheum Dis. 2015;74:1045-50.[2]Mease P, et al. RMD Open. 2021;7:e001600.AcknowledgementsThis study was funded by Novartis Pharmaceuticals Corporation. Medical writing support was provided by Richard Karpowicz, PhD, CMPP, of Health Interactions, Inc, and was funded by Novartis Pharmaceuticals Corporation. This abstract was developed in accordance with Good Publication Practice (GPP3) guidelines. Authors had full control of the content and made the final decision on all aspects of this publication.Disclosure of InterestsChristopher T. Ritchlin Consultant of: AbbVie, Amgen, Eli Lilly, Janssen, Pfizer, Novartis, Gilead, and UCB, Ana-Maria Orbai Consultant of: Bristol Myers Squibb, Janssen, Lilly, Novartis, Pfizer, and UCB, Grant/research support from: to Johns Hopkins University from AbbVie, Amgen, Celgene, Horizon, Janssen, Lilly, and Novartis, Bhumik Parikh Employee of: Novartis Pharmaceuticals Corporation, East Hanover, NJ, USA, Corine Gaillez Employee of: Novartis Pharma AG, Basel, Switzerland, Xiangyi Meng Employee of: Novartis Pharmaceuticals Corporation, East Hanover, NJ, USA, Philip J Mease Speakers bureau: AbbVie, Amgen, Janssen, Eli Lilly, Novartis, Pfizer, and UCB, Consultant of: AbbVie, Amgen, Boehringer Ingelheim, Bristol Myers Squibb, Celgene, Galapagos, Gilead, GlaxoSmithKline, Janssen, Eli Lilly, Novartis, Pfizer, Sun Pharma, and UCB, Grant/research support from: AbbVie, Amgen, Bristol Myers Squibb, Celgene, Gilead, Janssen, Eli Lilly, Novartis, Pfizer, Sun Pharma, and UCB
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OP0076 L-ARGININE REPROGRAMS OSTEOCLAST PURINE METABOLISM AMELIORATING BONE LOSS IN RHEUMATOID ARTHRITIS. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.4338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundBone erosion is a clinical feature of rheumatoid arthritis related to disease severity and poor functional prognosis. Excessive osteoclast differentiation and insufficient osteoblast function are the main reasons for the erosive process in RA. Our previous investigation indicated that L-arginine supplementation not only diminished arthritic inflammation in the serum-induced arthritis (K/BxN) model but also decreased inflammatory joints osteoclast numbers (1).ObjectivesIn the present study, we aim to investigate the metabolic action of L-arginine supplementation in RA, especially on periarticular bone erosion and systemic bone loss. We plan to depict the metabolic features of TNFα induced inflammatory osteoclasts after in vitro L-arginine supplementation.MethodsThree murine arthritis models (serum-induced arthritis (K/BxN) model, collagen-induced arthritis model, and hTNFtg mice model) were analysed in this study. L-arginine was supplemented within the drinking water after the onset of arthritis. Bone parameters for axial skeleton (spine) and peripheral skeleton (tibia) from the respective group were quantified by μCT. HE and TRAP staining were performed to address further the erosion area and osteoclast numbers in periarticular sites. In vitro osteoclast differentiation was conducted with or without L-arginine treatment, in the presence or not of TNFα activation. Seahorse and SCENITH analyses were adopted to delineate the metabolic features. JC-1 staining and transmission electron microscopy (TEM) were used to depict the mitochondria metabolism. RNA-seq and mass spectrometry (MS) were performed to investigate the underlying molecular mechanism.ResultsInflammation was diminished in all three arthritis models after L-arginine supplementation with a significant reduction in arthritic score. Moreover, an amelioration of periarticular bone erosion, systemic bone loss, and decreased osteoclast numbers in periarticular sites were observed in arthritic mice after L-arginine treatment. L-arginine also inhibited osteoclastogenesis in vitro, particularly under TNFα activation. Seahorse and SCENITH analyses indicated TNFα promoted glycolysis while blocking mitochondria-driven oxidative phosphorylations (OXPHOS) in pre-osteoclasts. Meanwhile, JC-1 staining and TEM images also showed that TNFα decreased mitochondria membrane potential and prompted damage of mitochondria. Surprisingly, L-arginine rescued the TNFα inhibition of OXPHOS while promoting ATP production.RNA-seq and MS data confirmed the boost of OXPHOS after L-arginine treatment under TNFα activation. To interfere with OXPHOS, L-arginine inhibited cJun thus altered arginase-1 and arginase-2 expression. Moreover, the increased ATP in L-arginine treated cells facilitated purine metabolism, especially the production of inosine and hypoxanthine, contributing to the inhibition of osteoclastogenesis. Increasing Adenosine deaminase (ADA) is essential for the production of inosine and hypoxanthine due to the decreased inhibitory regulation of the transcription factor c-Jun.ConclusionThese data strongly demonstrated that L-arginine ameliorates bone erosion in RA through metabolic reprogramming and perturbation of purine metabolism in osteoclasts. L-arginine might therefore benefit RA therapy by reducing joint inflammation and also ameliorating bone destruction.References[1]Hannemann, Nicole, et al. “Transcription factor Fra-1 targets arginase-1 to enhance macrophage-mediated inflammation in arthritis.” The Journal of clinical investigation 129.7 (2019): 2669-2684.Disclosure of InterestsShan Cao: None declared, Rui Song: None declared, Xianyi Meng: None declared, Katerina Kachler: None declared, Maximilian Fuchs: None declared, Xinyu Meng: None declared, Yixuan Li: None declared, Verena Taudte: None declared, Meik Kunz: None declared, Ursula Schloetzer-Schrehardt: None declared, Ulrike Schleicher: None declared, Xiaoxiang Chen Speakers bureau: AbbVie, Roche and Novartis, Georg Schett Speakers bureau: AbbVie, BMS, Celgene, Janssen, Eli Lilly, Novartis, Roche and UCB, Aline Bozec: None declared.
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POS0409 INTESTINAL HIF1α EXPRESSION PROTECTS AGAINST EPITHELIAL CELL DEATH IN ARTHRITIS. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundWhile a so-called gut-joint axis is supported by many clinical observations, the current knowledge on such axis is mostly confined to descriptive and correlative data, e.g. showing the microbiota changes are associated with arthritis. In contrast, mechanistic data on how molecular changes in the intestinal epithelium influence the development of arthritis are scarce.ObjectivesTo investigate, whether the mucosal barrier in the intestine dependent of the epithelial cell survival maintenance, influences the development of arthritis.MethodsIntestinal hypoxia inducible factor (HIF)-1α expression was assessed before, at onset and during experimental arthritis and human rheumatoid arthritis (RA). Intestinal epithelial cell-specific HIF1α conditional knock-out mice were generated (HIF1αΔIEC) and subjected to collagen-induced arthritis (CIA). Clinical and histological courses of arthritis were recorded, and T and B cell subsets were analyzed in the gut and secondary lymphatic organs, and intestinal epithelial cells were subjected to molecular mRNA sequencing in HIF1αΔIEC and littermate control mice. Furthermore, pharmacologic HIF1α stabilization by PHD inhibitor was used for the treatment of arthritis.ResultsIntestinal HIF1α expression peaked at onset and remained high in experimental arthritis and RA. Conditionally deletion of HIF1α in gut epithelial cells strongly exacerbate arthritis and was associated with increased gut epithelial cell death, intestinal and lymphatic Th1 and Th17 activation. Mechanistically, HIF1α inhibits the transcription of necroptotic and apoptotic markers, which leads to a defect in the intestinal barrier integrity. Furthermore, treatment with HIF1α stabilization reinforced the gut epithelial cell survival and inhibited arthritis.ConclusionThese findings show that the HIF1α regulating epithelial cells survival is critical for the breakdown of the intestinal barrier function in arthritis highlighting the functional link between intestinal homeostasis and arthritis.Disclosure of InterestsNone declared.
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POS1022 RELATIONSHIPS BETWEEN INHIBITION OF RADIOGRAPHIC PROGRESSION AND ACHIEVEMENT OF LOW DISEASE ACTIVITY OR REMISSION AND THEIR CORE COMPONENTS IN PATIENTS WITH PSORIATIC ARTHRITIS TREATED WITH SECUKINUMAB IN FUTURE 5 DURING THE FIRST 24 WEEKS. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.1167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundPatients with active psoriatic arthritis (PsA) experience inflammation that may result in structural damage and disability. In the phase 3 FUTURE 5 study, treatment with secukinumab (SEC) inhibited radiographic progression and led to sustained remission and low disease activity (LDA) through Week 104.1,2ObjectivesThis post hoc analysis of FUTURE 5 explored relationships between radiographic progression status and achievement of LDA or remission in patients treated with SEC.MethodsPatients were randomized 2:2:2:3 to receive SEC 300 mg with loading dose (LD), 150 mg LD, SEC 150 mg without LD, or placebo (PBO) at Baseline, Weeks 1, 2, 3, 4, and every 4 weeks thereafter until Week 24. In this post hoc analysis, patients were grouped by radiographic progression status at Week 24 (non-radiographic progressors: change from baseline in modified total Sharp score [mTSS] ≤0.0; radiographic progressors: change from baseline in mTSS >0.0). Efficacy (achievement of Minimal Disease Activity [MDA] or Very Low Disease Activity [VLDA] and their individual components, and Disease Activity Index for Psoriatic Arthritis [DAPSA] LDA or remission) was assessed at Week 24.ResultsOf 933 patients with available data, 675 (72.3%) were classified as non-radiographic progressors and 258 (27.7%) were radiographic progressors at Week 24. Non-progressors at Week 24 were more likely than progressors to achieve DAPSA LDA and remission at Week 24 across all treatment arms (Figure 1A). In addition, non-progressors were more likely to achieve MDA and VLDA at Week 24 than progressors across all treatment arms (Figure 1B). Similar trends were observed for all of the individual MDA/VLDA criteria at Week 24 among patients treated with SEC 300 mg or SEC 150 mg LD (Table 1). Notably, non-progressors were more likely to achieve improvements in physical function, pain, and patient global assessment of disease activity than progressors across all treatment arms.Table 1.Proportion of Patients Achieving MDA/VLDA Components at Week 24 Grouped by Radiographic Progression Status at Week 24Week 24 non-progressorsWeek 24 progressorsOutcome, n/N (%)SEC 300 mg n = 166SEC 150 mg n = 150SEC 150 mg NL n = 159PBO n = 200SEC 300 mg n = 51SEC 150 mg n = 63SEC 150 mg NL n = 51PBO n = 93TJC78 ≤152/161 (32.3)46/146 (31.5)37/150 (24.7)38/196 (19.4)15/50 (30.0)13/62 (21.0)13/49 (26.5)11/90 (12.2)SJC76 ≤1105/160 (65.6)85/146 (58.2)83/150 (55.3)88/196 (44.9)32/50 (64.0)28/62 (45.2)20/49 (40.8)30/90 (33.3)PASI ≤1 or BSA ≤3%99/128 (77.3)90/128 (70.3)69/109 (63.3)64/153 (41.8)29/38 (76.3)27/47 (57.4)28/40 (70.0)26/70 (37.1)Patient pain VAS ≤1557/144 (39.6)50/133 (37.6)50/141 (35.5)33/179 (18.4)14/42 (33.3)15/60 (25.0)13/43 (30.2)7/82 (8.5)PtGA VAS ≤2063/145 (43.4)47/125 (37.6)50/135 (37.0)39/173 (22.5)13/41 (31.7)14/61 (23.0)13/41 (31.7)7/81 (8.6)HAQ-DI ≤0.572/135 (53.3)55/118 (46.6)54/122 (44.3)47/158 (29.7)13/39 (33.3)18/58 (31.0)17/39 (43.6)19/77 (24.7)Tender entheseal points ≤170/87 (80.5)44/63 (69.8)42/76 (55.3)45/88 (51.1)13/18 (72.2)17/31 (54.8)11/19 (57.9)23/38 (60.5)BSA, body surface area; HAQ-DI, Health Assessment Questionnaire Disability Index; MDA, Minimal Disease Activity; NL, no loading dose; PASI, Psoriasis Area and Severity Index; PBO, placebo; PtGA, patient global assessment of disease activity; SEC, secukinumab; SJC, swollen joint count; TJC, tender joint count; VAS, visual analog scale; VLDA, Very Low Disease Activity.ConclusionPatients who did not have radiographic progression over 6 months of SEC treatment were more likely to achieve LDA or remission and improvement in physical function at Week 24. Additional analyses will explore relationships between radiographic progression and additional clinical and patient-reported outcomes over longer time periods.References[1]Mease P, et al. RMD Open. 2021;7:e001600.[2]Coates LC, et al. Ann Rheum Dis. 2021;80:803-4.AcknowledgementsThis study was funded by Novartis Pharmaceuticals Corporation. Medical writing support was provided by Eric Deutsch, PhD, CMPP, of Health Interactions, Inc, and was funded by Novartis Pharmaceuticals Corporation. This abstract was developed in accordance with Good Publication Practice (GPP3) guidelines. Authors had full control of the content and made the final decision on all aspects of this publication.Disclosure of InterestsPhilip J Mease Speakers bureau: AbbVie, Amgen, Janssen, Eli Lilly, Novartis, Pfizer, and UCB, Consultant of: AbbVie, Amgen, Boehringer Ingelheim, Bristol Myers Squibb, Celgene, Galapagos, Gilead, GlaxoSmithKline, Janssen, Eli Lilly, Novartis, Pfizer, Sun Pharma, and UCB, Grant/research support from: AbbVie, Amgen, Bristol Myers Squibb, Celgene, Gilead, Janssen, Eli Lilly, Novartis, Pfizer, Sun Pharma, and UCB, Ana-Maria Orbai Consultant of: Bristol Myers Squibb, Janssen, Lilly, Novartis, Pfizer, and UCB, Grant/research support from: To Johns Hopkins University from AbbVie, Amgen, Celgene, Horizon, Janssen, Lilly, and Novartis, Bhumik Parikh Employee of: Novartis Pharmaceuticals Corporation, Corine Gaillez Employee of: Novartis Pharma AG, Xiangyi Meng Employee of: Novartis Pharmaceuticals Corporation, Christopher T. Ritchlin Consultant of: AbbVie, Amgen, Eli Lilly, Janssen, Pfizer, Novartis, Gilead, and UCB
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Long-Chain Alkane Dehydrogenation over Hierarchically Porous Ti-Doped Pt–Sn–K/TiO2–Al2O3 Catalysts. KINETICS AND CATALYSIS 2022. [DOI: 10.1134/s0023158422020070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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POS-397 PROBUCOL AMELIORATES PODOCYTE INJURY IN D-GALACTOSE-INDUCED AGING MICE BY REGULATING MDM2/ERK1/2 SIGNALING PATHWAY. Kidney Int Rep 2022. [DOI: 10.1016/j.ekir.2022.01.419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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14P Circulating tumor DNA (ctDNA) residual and dynamics of ctDNA clonality indicated therapeutic efficacy of sintilimab plus docetaxel in previously treated advanced non-small cell lung cancer. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.10.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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106P Real-world outcomes in extensive-stage small cell lung cancer with PD-L1 inhibitors in China. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.10.124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Association Between Changes in Myocardial F-18 Fluorodeoxyglucose Uptake and Cardiac Toxicity or Overall Survival for Inoperable NSCLC Patients Receiving Chemoradiation. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.1228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Dosimetric Predictors of Cardiac Events After Concurrent Chemoradiotherapy for Locally Advanced Esophageal Cancer. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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P59.32 Physician Attitudes Toward Genetic Testing and Targeted Therapy for Advanced NSCLC Patients in China: A Nationwide Survey. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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[Antibodies persistence after revaccination with three doses of hepatitis B vaccine in non-responsive adults: results from 8-year follow-up study]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2021; 42:1546-1552. [PMID: 34814582 DOI: 10.3760/cma.j.cn112338-20210319-00223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Objective: To evaluate the persistence of HBsAg-specific antibodies eight years after revaccination with hepatitis B vaccine (HepB) among adults who were non-responsive to primary immunization. Methods: From August to September 2009, rural communities in Zhangqiu district of Ji'nan city were selected as the study site. The subject's inclusion criteria were 18 to 49 years old, local resident population, without HBV infection history and HepB vaccination history, and good health status. Antibodies against hepatitis B surface antigen (anti-HBs) were detected in adults following the standard primary vaccination. Those who were non-responders (anti-HBs titer <10 mIU/ml) were revaccinated with three doses of HepB and included in the study. Blood samples were collected from all of them at one month (T1), two years, four years, and eight years after revaccination. The three indexes of anti-HBs, hepatitis B surface antigen (HBsAg), together with antibody against hepatitis B core antigen (anti-HBc), were measured by chemiluminescence microparticle immunoassay (CMIA). Results: The proportion of subjects with anti-HBs titers ≥10 mIU/ml was 85.12% (549/645) at T1, 60.60% (283/467) at two years, 55.90% (199/356) at four years and 55.09% (222/403) at eight years after revaccination. The first two years' annual decline rates, three to four years and five to eight years, were 15.62%, 3.96%, and 0.36%. The GMC of anti-HBs was 153.92 mIU/ml at T1, 21.43 mIU/ml at two years, 15.02 mIU/ml at four years, and 13.68 mIU/ml at eight years. In the first two years, three to four years and five to eight years, the annual decline rate of GMC was 62.69%,16.28%, and 2.31%, respectively. Multivariable analysis showed that the titer of anti-HBs at T1 was independently associated with the persistence of anti-HBs at eight years after revaccination. Compared with anti-HBs titer <100 mIU/ml , those whose anti-HBs titers were 100-mIU/ml and ≥1 000 mIU/ml at T1 had a higher positive rate of anti-HBs (OR=14.13, P<0.001; OR= 62.91, P<0.001) and a higher probability of anti-HBs titer (β=1.88, P<0.001; β=3.24, P<0.001) at 8 years after revaccination. Nobody was found seroconversion of HBsAg, and the anti-HBc positive rate was 14.14% (57/403). Conclusions: Following revaccination with three doses of HepB in adults who were non-responsive to primary immunization, anti-HBs titers declined rapidly within the first four years. They then maintained a stable level after the fifth year. More than half still kept anti-HBs protective titer at eight years after revaccination. The immunity persistence was associated with anti-HBs titer at one month after revaccination.
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Fabrication of Ag/TiO2 Cotton Fabric to Enhance Photocatalytic Degradation of Anionic Dye. NATURE ENVIRONMENT AND POLLUTION TECHNOLOGY 2021. [DOI: 10.46488/nept.2021.v20i03.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Ag/TiO2 composite fabric was prepared by coprecipitation with TiCl4 as a titanium source and AgNO3 as a silver source. The samples were characterized by scanning electron microscope (SEM), thermogravimetric analyzer (TG) and Fourier transform infrared spectrometer (FTIR). The photocatalytic activity of synthetic fabrics was measured by the degradation of anion dyes under ultraviolet light. The effects of silver loading concentration, fabric area, initial concentration, and photocatalytic time on photocatalytic activity were investigated. The experimental results showed that the degradation rate of Ag/TiO2 composite fabric on anion dyes could reach 70.76% in 50 minutes, indicating that the prepared Ag/TiO2 composite fabrics had high photocatalytic activity.
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[Effects of different calcium intakes on metabolism in healthy adults under strict dietary intervention]. ZHONGHUA YU FANG YI XUE ZA ZHI [CHINESE JOURNAL OF PREVENTIVE MEDICINE] 2021; 55:965-972. [PMID: 34445834 DOI: 10.3760/cma.j.cn112150-20201115-01370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the effect of different calcium intakes on metabolism in healthy adults with traditional Chinese dietary pattern. Methods: A total of 64 college students (32 males and 32 females) were recruited from the School of Public Health, Harbin Medical University from September to October 2015. A prospective, randomized, double-blind, placebo-controlled trial design (RCT trial) was used to strictly control the diet of the volunteers through meal preparation, so that the background of the experimental and the control group was exactly the same. In our study, 64 healthy adults were randomly divided into two groups (calcium supplementation and control). The two groups were given the same diet every day. One group was given 400 mg/d of calcium supplementation, which was close to the recommended intake in China (800 mg/d); the other group was given pacebo, the average calcium intake was close to the average intake of Chinese (400 mg/d), calcium intervention lasted for 35 days. Serum and urine samples from pre-intervention, mid-intervention, and post-intervention were collected for metabolomics studies and detection of serum hormone levels and biochemical indicators. PCA and PLS-DA were used to compare the differences in serum and urine metabolites. After adjusting for age and BMI, the differences of hormones [parathyroid hormone, 1, 25(OH)2D3] and biochemical indicators were compared by repeated measurement variance analysis. Results: The 64 subjects were aged 23-28 years, including 32 males and 32 females. The baseline characteristics of the calcium supplementation group and the control group were balanced. The results showed that there were no significant differences in blood and urine metabolites, metabolic hormone [parathyroid hormone, 1, 25(OH)2D3] levels and biochemical indicators(serum Ca, serum P, glycolipid metabolism and hepatorenal function indicators)between the calcium supplementation group and control group at each time point throughout the trail (P>0.05). Conclusion: No health hazards associated with calcium deficiency was observed in healthy adults in the short term at current calcium intake level (300-400 mg/d).
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[Identification of Synthetic Cannabinoid 5F-EDMB-PICA in Suspicious Herbal Products]. FA YI XUE ZA ZHI 2021; 37:486-492. [PMID: 34726000 DOI: 10.12116/j.issn.1004-5619.2021.310304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Indexed: 06/13/2023]
Abstract
Objective To study the qualitative analysis strategy for unknown synthetic cannabinoid in the suspicious herbal product when no reference substance is available. Methods The synthetic cannabinoid in herbal blend was extracted with methanol. The extract was concentrated by rotary evaporator and separated and purified by preparative liquid chromatography, to obtain high purity synthetic cannabinoid sample. Gas chromatography-mass spectrometry (GC-MS), ultra-high performance liquid chromatography-quadrupole time-of-flight mass spectrometry (UPLC-QTOF-MS) and nuclear magnetic resonance (NMR) were used to determine the structure of the prepared compound. Results High purity unknown sample (10 mg) was obtained by preparative liquid chromatography. The sample was analyzed by GC-MS, UPLC-TOF-MS and NMR, and through spectrum analysis, the unknown synthetic cannabinoid was determined as 5F-EDMB-PICA. Conclusion The method to extract unknown synthetic cannabinoid from low content herbal products by preparative liquid chromatography was established, and the structure of the unknown sample was identified by comprehensive use of GC-MS, UPLC-QTOF-MS and NMR. The information will assist forensic laboratories in identifying this substance or other compounds with similar structures in their casework.
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Alternative polyadenylation events differ dramatically between Tongcheng and Large White pigs in response to PRRSV infection. Anim Genet 2021; 52:744-748. [PMID: 34309053 DOI: 10.1111/age.13125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/05/2021] [Indexed: 12/01/2022]
Abstract
Alternative polyadenylation (APA) is a widespread post-transcriptional regulation mechanism that increases the biological complexity of transcriptome and proteome. However, it is unclear whether APA regulation plays a role in genetic resistance to porcine reproductive and respiratory syndrome virus (PRRSV). Here, we reported genome-wide APA regulation of porcine alveolar macrophages in PRRSV-resistant Tongcheng (TC) pigs and PRRSV-susceptible Large White (LW) pigs upon PRRSV infection. Using 3' mRNA sequencing strategy, we detected 75 981 high-quality APA sites in porcine alveolar macrophages of TC and LW pigs. Furthermore, 1202 and 1089 differentially expressed APA sites, as well as 79 and 117 untranslated region-APA switching genes were identified in TC pigs and LW pigs upon PRRSV infection respectively. The APA events in TC pigs and LW pigs were involved in different biological pathways, while APA events in TC pigs are directly associated with the immune response to PRRSV infection. In addition, we identified genetic variations affecting polyadenylation signal between TC pigs and LW pigs. These findings would provide helpful information on APA regulation for further understanding of genetic resistance to PRRSV.
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P-151 The prognostic value of TCF1+CD8+T cell in primary small cell carcinoma of the esophagus. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.05.206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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POS1050 SECUKINUMAB LEADS TO IMPROVEMENT ACROSS PSORIATIC ARTHRITIS MANIFESTATIONS OVER 2 YEARS REGARDLESS OF PREVIOUS EXPOSURE TO A TNF INHIBITOR: A POST HOC ANALYSIS OF FUTURE 5. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.1862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Background:The goal of treating psoriatic arthritis (PsA) is to achieve very low disease activity or remission across disease manifestations. In the phase 3 FUTURE 5 study (NCT02404350), patients receiving secukinumab (SEC) demonstrated sustained clinical improvements across PsA manifestations through Week 104.1 However, the effect of previous tumor necrosis factor inhibitor (TNFi) exposure on achievement of remission across PsA manifestations was not explored.Objectives:To report exploratory efficacy analyses of SEC at Week 104 on stringent endpoints across PsA manifestations in patients who were TNFi naive or inadequate responders (TNF-IR).Methods:Patient data from FUTURE 5 were stratified by previous TNFi exposure and analyzed by treatment arm. At Week 104, patients received SEC 300 or 150 mg with subcutaneous loading dose (LD), SEC 150 mg without LD, or had received placebo up to Week 16 and were switched to SEC 300 or 150 mg between Weeks 16 or 24 based on tender and swollen joint count response. Patients with suboptimal clinical response to SEC 150 mg could escalate to SEC 300 mg after Week 52 per investigator judgment.2 Exploratory efficacy analyses at Week 104 included resolution of TJC/SJC (0 tender/swollen joints), resolution of enthesitis and dactylitis, 75% improvement in the modified Nail Psoriasis Severity index (mNAPSI75), 100% improvement in the Psoriasis Area and Severity Index (PASI100), very low disease activity (VLDA), and Disease Activity in Psoriatic Arthritis (DAPSA) remission. Descriptive statistics are provided for each endpoint using an observed-case approach.Results:Regardless of previous TNFi exposure, SEC-treated patients achieved several stringent endpoints across PsA domains, including TJC/SJC resolution, resolution of dactylitis/enthesitis, mNAPSI75, and PASI100 at Week 104 (Table 1). TNFi-naive patients generally experienced greater improvements than TNF-IR patients (Table 1 above). Similar trends were observed for achievement of VLDA and DAPSA remission at Week 104 (Figure 1).Conclusion:SEC treatment resulted in sustained achievement of stringent endpoints across key PsA manifestations through Week 104 in both TNFi-naive and TNF-IR patients, with generally greater clinical responses among TNFi-naive patients.References:[1]Mease P, et al. Ann Rheum Dis. 2018;77:890-897.[2]Mease P, et al. Arthritis Rheumatol. 2019;71:(suppl 10) [abstract 1554].Table 1.Achievement of Key Outcomes Across PsA Manifestations at Week 104 Among TNF-IR and TNFi-Naive Patients Treated With SECSEC 300 mgSEC 150 mgaSEC 150 mg No LoadbPBO–SEC 300 mgPBO–SEC 150 mgcOutcomes, n/M (%)TNFi-naiven=154TNF-IRn=68TNFi-naiven=153TNF-IRn=67TNFi-naiven=157TNF-IRn=65TNFi-naiven=109TNF-IRn=44TNFi-naiven=114TNF-IRn=39TJC/SJC resolution51/140 (36.4)19/51 (37.3)46/136 (33.8)11/46 (23.9)53/125 (42.4)14/43 (32.6)40/90 (44.4)11/31 (35.5)32/96 (33.3)10/28 (35.7)Resolution of dactylitis42/48 (87.5)11/16 (68.8)37/43 (86.0)16/19 (84.2)56/62 (90.3)11/13 (84.6)35/41 (85.4)5/7 (71.4)30/33 (90.9)10/12 (83.3)Resolution of enthesitis70/88 (79.5)22/30 (73.3)70/85 (82.4)24/32 (75.0)50/69 (72.5)16/26 (61.5)37/50 (74.0)12/17 (70.6)39/56 (69.6)14/20 (70.0)mNAPSI7561/73 (83.6)15/26 (57.7)66/76 (86.8)16/23 (69.6)61/80 (76.3)13/18 (72.2)42/51 (82.4)13/17 (76.5)34/64 (53.1)7/14(50.0)PASI10034/68 (50.0)14/29 (48.3)41/85 (48.2)5/19(26.3)33/73 (45.2)4/18(22.2)23/45 (51.1)9/18(50.0)19/46 (41.3)6/13(46.2)IR, inadequate responder; M, number of evaluable patients; mNAPSI, modified Nail Psoriasis Severity Index; PASI, Psoriasis Area and Severity Index; PBO, placebo; SEC, secukinumab; TJC/SJC resolution, 0 tender/swollen joints; TNFi, tumor necrosis factor inhibitor.a Includes 53 TNFi-naive and 23 TNF-IR patients with dose escalation.b Includes 58 TNFi-naive and 19 TNF-IR patients with dose escalation.c Includes 40 TNFi-naive and 12 TNF-IR patients with dose escalation.Figure 1.Acknowledgements:This study was funded by Novartis Pharma AG. The authors thank Prasanthi Mandalay, PhD, of ArticulateScience LLC, for providing medical writing support/editorial support, which was funded by Novartis Pharmaceuticals Corporation, East Hanover, NJ, in accordance with Good Publication Practice (GPP3) guidelines (http://www.ismpp.org/gpp3).Disclosure of Interests:Ana-Maria Orbai Consultant of: Janssen, Eli Lilly, Novartis, Pfizer, and UCB, Grant/research support from: AbbVie, Celgene, Horizon, Janssen, Eli Lilly, and Novartis, M Elaine Husni Consultant of: AbbVie, Amgen, Gilead, Janssen, Eli Lilly, Novartis, Pfizer, Regeneron, and UCB, Grant/research support from: Pfizer, Dafna D Gladman Consultant of: AbbVie, Amgen, Bristol Myers Squibb, Celgene, Galapagos, Gilead, Janssen, Eli Lilly, Novartis, Pfizer, and UCB, Grant/research support from: AbbVie, Amgen, Celgene, Eli Lilly, Novartis, Pfizer, and UCB, Bhumik Parikh Employee of: Novartis Pharmaceuticals Corporation, East Hanover, NJ, USA, Xiangyi Meng Employee of: Novartis Pharmaceuticals Corporation, East Hanover, NJ, USA, Corine Gaillez Employee of: Novartis Pharma AG, Basel, Switzerland, Philip J Mease Speakers bureau: AbbVie, Amgen, Janssen, Eli Lilly, Novartis, Pfizer, and UCB, Consultant of: AbbVie, Amgen, Boehringer Ingelheim, Bristol Myers Squibb, Celgene, Galapagos, Gilead, GlaxoSmithKline, Janssen, Eli Lilly, Novartis, Pfizer, Sun Pharma, and UCB, Grant/research support from: AbbVie, Amgen, Bristol Myers Squibb, Celgene, Gilead, Janssen, Eli Lilly, Novartis, Pfizer, Sun Pharma, and UCB.
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POS0194 ENTHESITIS IN PATIENTS WITH PSORIATIC ARTHRITIS TREATED WITH SECUKINUMAB OR ADALIMUMAB: A POST HOC ANALYSIS OF EXCEED. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.463] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Enthesitis is a key musculoskeletal manifestation of psoriatic arthritis (PsA). EULAR guidelines recommend biologics for patients with enthesitis and an inadequate response to or intolerance of nonsteroidal anti-inflammatory drugs, although no guidance on specific biologics is offered. In the EXCEED head-to-head, double-blind study (NCT02745080), secukinumab (SEC) and adalimumab (ADA) showed a similar efficacy in joints and in resolution of enthesitis at Week 52 for patients with PsA,1 although a detailed analysis of enthesitis was not conducted.Objectives:To explore detailed enthesitis treatment response, including temporal and additional enthesitis assessment data, in patients with PsA treated with SEC or ADA over 52 weeks.Methods:In this post hoc analysis, patient data from EXCEED were grouped by presence or absence of baseline enthesitis based on the Leeds Enthesitis Index (LEI) and the Spondyloarthritis Research Consortium of Canada Enthesitis Index (SPARCC). Baseline characteristics of these groups were summarized. Median time to resolution of LEI/SPARCC enthesitis score in patients receiving SEC or ADA was assessed using Kaplan-Meier analysis. Efficacy was further assessed among the enthesitis subset by LEI and SPARCC change from baseline, resolution of enthesitis (LEI/SPARCC) at Weeks 24 and 52, and resolution of enthesitis at Week 52 by baseline enthesitis severity. Relapse of enthesitis after a first resolution was evaluated at Weeks 24 and 52. Missing data were imputed by nonresponder imputation.Results:Baseline demographics were well balanced in the LEI/SPARCC enthesitis subsets, although a higher proportion of all patients with enthesitis were women vs those with no enthesitis (LEI: 54.6% vs 40.5%; SPARCC: 53.2% vs 36.2%). Patients with baseline enthesitis had higher disease activity vs patients without enthesitis (LEI/SPARCC enthesitis vs no LEI/SPARCC enthesitis: tender joint count of 78 joints [22.8/22.1 vs 15.8/13.8], Health Assessment Questionnaire-Disability Index [1.3/1.3 vs 1.1/1.1], and mean Psoriasis Area and Severity Index [6.4/6.1 vs 5.1/5.3]). Median time to resolution of LEI and SPARCC enthesitis was similar between patients receiving either SEC or ADA (Table 1). Both treatment groups experienced a similar mean change from baseline in LEI and SPARCC enthesitis counts and a similar resolution of LEI and SPARCC at Weeks 24 and 52 (Table 1). Achievement of enthesitis resolution was similar between treatment groups irrespective of disease severity (Figure 1). The proportion of patients who experienced relapse after achieving resolution was low across both treatments (Table 1).Conclusion:In EXCEED, patients with baseline enthesitis presented with higher disease burden, consistent with the FUTURE trials.2 SEC and ADA showed similar kinetics of response and efficacy on enthesitis, irrespective of baseline enthesitis severity.References:[1]McInnes IB, et al. Lancet. 2020;395(10235):1496-1505.[2]Coates LC, et al. Arthritis Res Ther. 2019;21(1):266.Table 1.Clinical Improvements Among Patients With Baseline LEI or SPARCC Enthesitis Treated with Secukinumab or Adalimumab (nonresponder imputation)Secukinumab300 mgAdalimumab40 mgOutcomesaLEI(n=234)SPARCC(n=301)LEI(n=264)SPARCC(n=331)Baseline enthesitis count, mean (SD)2.6 (1.5)5.0 (3.8)2.8 (1.6)5.4 (4.0)Median time to enthesitis resolution, days (95% CI)85 (57–113)113 (85–169)85 (57–86)88 (85–114)Enthesitis count, mean improvement from baseline (SD) Week 24−1.6 (1.6)−3.3 (3.5)−1.6 (1.6)−3.1 (3.5) Week 52−1.8 (1.6)−3.6 (3.2)−2.1 (1.7)−3.9 (3.8)Resolution of enthesitis, n (%) Week 24116 (49.6)138 (45.8)115 (43.6)144 (43.5) Week 52142 (60.7)160 (53.2)146 (55.3)170 (51.4)Enthesitis relapse, n/M (%) Week 2437/210 (17.6)38/274 (13.9)49/232 (21.1)47/293 (16.0) Week 5240/208 (19.2)56/267 (21.0)32/208 (15.4)41/263 (15.6)LEI, Leeds Enthesitis Index; M, number of evaluable patients; SPARCC; Spondyloarthritis Research Consortium of Canada Enthesitis Index.a Based on respective enthesitis measures.Figure 1.Acknowledgements:This study was funded by Novartis Pharma AG. The authors thank Richard Karpowicz, PhD, of Health Interactions, Inc, for providing medical writing support/editorial support, which was funded by Novartis Pharmaceuticals Corporation, East Hanover, NJ, in accordance with Good Publication Practice (GPP3) guidelines (http://www.ismpp.org/gpp3).Disclosure of Interests:Gurjit S. Kaeley Consultant of: Novartis Pharmaceuticals Corporation, Georg Schett Speakers bureau: AbbVie, Bristol Myers Squibb, Celgene, Janssen, Eli Lilly, Novartis, and Pfizer, Consultant of: AbbVie, Bristol Myers Squibb, Celgene, Janssen, Eli Lilly, Novartis, and UCB, Grant/research support from: Bristol Myers Squibb, Celgene, GSK, Eli Lilly, and Novartis, Philip G Conaghan Consultant of: or Speakers bureau: AbbVie, AstraZeneca, Bristol Myers Squibb, Eli Lilly, EMD Serono, Flexion Therapeutics, Galapagos, Gilead, Novartis, and Pfizer, Grant/research support from: UK National Institute for Health Research (NIHR) Leeds Biomedical Research Centre, Dennis McGonagle Speakers bureau: Roche, Sobi, and Novartis, Grant/research support from: Novartis, Frank Behrens Consultant of: Pfizer, AbbVie, Sanofi, Lilly, Novartis, Genzyme, Boehringer, Janssen, Merck Sharp & Dohme, Celgene, Roche, and Chugai, Grant/research support from: Pfizer, Janssen, Chugai, Celgene, and Roche, and has received investigator fees from Eli Lilly, Philippe Goupille Grant/research support from: and/or Consultant of/Speakers bureau: AbbVie, Amgen, Biogen, Bristol Myers Squibb, Celgene, Chugai, Janssen, Lilly, Medac, Merck Sharp & Dohme, Nordic Pharma, Novartis, Pfizer, Sanofi, and UCB, Corine Gaillez Employee of: Novartis Pharma AG, Bhumik Parikh Employee of: Novartis Pharmaceuticals Corporation, Xiangyi Meng Employee of: Novartis Pharmaceuticals Corporation, Catherine Bakewell Consultant of: and/or Speakers bureau: AbbVie, Novartis, Pfizer, Janssen, UCB, and Sanofi Genzyme/Regeneron
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The protective effect of hesperidin against renal ischemia-reperfusion injury involves the TLR-4/NF-κB/iNOS pathway in rats. Physiol Int 2021; 107:82-91. [PMID: 32491283 DOI: 10.1556/2060.2020.00003] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Accepted: 12/13/2019] [Indexed: 11/19/2022]
Abstract
Renal injury is reported to have a high mortality rate. Additionally, there are several limitations to current conventional treatments that are used to manage it. This study evaluated the protective effect of hesperidin against ischemia/reperfusion (I/R)-induced kidney injury in rats. Renal injury was induced by generating I/R in kidney tissues. Rats were then treated with hesperidin at a dose of 10 or 20 mg/kg intravenously 1 day after surgery for a period of 14 days. The effect of hesperidin on renal function, serum mediators of inflammation, and levels of oxidative stress in renal tissues were observed in rat kidney tissues after I/R-induced kidney injury. Moreover, protein expression and mRNA expression in kidney tissues were determined using Western blotting and RT-PCR. Hematoxylin and eosin (H&E) staining was done for histopathological observation of kidney tissues. The data suggest that the levels of blood urea nitrogen (BUN) and creatinine in the serum of hesperidin-treated rats were lower than in the I/R group. Treatment with hesperidin also ameliorated the altered level of inflammatory mediators and oxidative stress in I/R-induced renal-injured rats. The expression of p-IκBα, caspase-3, NF-κB p65, Toll-like receptor 4 (TLR-4) protein, TLR-4 mRNA, and inducible nitric oxide synthase (iNOS) was significantly reduced in the renal tissues of hesperidin-treated rats. Histopathological findings also revealed that treatment with hesperidin attenuated the renal injury in I/R kidney-injured rats. In conclusion, our results suggest that hesperidin protects against renal injury induced by I/R by involving TLR-4/NF-κB/iNOS signaling.
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Kinetics Studies on Toxic Hexavalent Chromium Removal from Aqueous Solutions by Magnetic Nano-Magnetite. NATURE ENVIRONMENT AND POLLUTION TECHNOLOGY 2021. [DOI: 10.46488/nept.2021.v20i01.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Rapid Qualitative and Quantitative Analysis of Caffeine and Sodium Benzoate in Annaca by Infrared Spectroscopy. FA YI XUE ZA ZHI 2021; 37:33-37. [PMID: 33780182 DOI: 10.12116/j.issn.1004-5619.2019.390901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Indexed: 06/12/2023]
Abstract
Objective To establish an infrared spectroscopic method for the rapid qualitative and quantitative analysis of caffeine and sodium benzoate in Annaka samples. Methods Qualitative and quantitative modeling samples were prepared by mixing high-purity caffeine and sodium benzoate. The characteristic absorption peaks of caffeine and sodium benzoate in Annaka samples were determined by analyzing the infrared spectra of the mixed samples. The quantitative model of infrared spectra was established by partial least squares (PLS). Results By analyzing the infrared spectra of 17 mixed samples of caffeine and sodium benzoate (the purity of caffeine ranges from 10% to 80%), the characteristic absorption peaks for caffeine were determined to be 1 698, 1 650, 1 237, 972, 743, and 609 cm-1. The characteristic absorption peaks for sodium benzoate were 1 596, 1 548, 1 406, 845, 708 and 679 cm-1. When the detection of all characteristic absorption peaks was the positive identification criteria, the positive detection rate of caffeine and sodium benzoate in 48 seized Annaka samples was 100%. The linear range of PLS quantitative model for caffeine was 10%-80%, the coefficient of determination ( R2) was 99.9%, the root mean square error of cross validation (RMSECV) was 0.68%, and the root mean square error of prediction (RMSEP) was 0.91%; the linear range of PLS quantitative model for sodium benzoate was 20%-90%, the R2 was 99.9%, the RMSECV was 0.91% and the RMSEP was 1.11%. The results of paired sample t test showed that the differences between the results of high performance liquid chromatography method and infrared spectroscopy method had no statistical significance. The established infrared quantitative method was used to analyze 48 seized Annaka samples, the purity of caffeine was 27.6%-63.1%, and that of sodium benzoate was 36.9%-72.3%. Conclusion The rapid qualitative and quantitative analysis of caffeine and sodium benzoate in Annaka samples by infrared spectroscopy method could improve identification efficiency and reduce determination cost.
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Removal of Azo Dyes Reactive Black from Water by Zero-Valent Iron: The Efficiency and Mechanism. NATURE ENVIRONMENT AND POLLUTION TECHNOLOGY 2020. [DOI: 10.46488/nept.2020.v19i05.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Influence of the Internet of Things management system on hand hygiene compliance in an emergency intensive care unit. J Hosp Infect 2020; 109:101-106. [PMID: 33346043 DOI: 10.1016/j.jhin.2020.12.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 12/01/2020] [Accepted: 12/10/2020] [Indexed: 11/28/2022]
Abstract
BACKGROUND Hand hygiene is a critical strategy for infection prevention in all healthcare settings. Automated electronic monitoring systems are expected to improve hand hygiene performance. AIM To investigate the impact of the Internet of Things (IoT) management system on hand hygiene compliance among medical staff in an emergency intensive care unit (EICU). METHODS This retrospective observational study was conducted between July 1st, 2017 and February 28th, 2018 in a 19-bed EICU. The changes in hand hygiene compliance among 54 members of medical staff and the incidence of hospital infections were compared, counted, and analysed before and after implementing the IoT management system in the EICU that was initiated on November 1st, 2017. FINDINGS After the application of the IoT management system, the hand hygiene compliance rates among the members of the medical staff before (29.5% (3347/11,338) vs 57.9% (4690/8094), P < 0.001) and after (59.9% (9915/16,556) vs 73.8% (17,194/23 286), P < 0.001) the contact with patients and surrounding environment significantly improved. However, hand hygiene compliance among three cleaning staff did not significantly improve after the application. Moreover, there was no significant difference in healthcare-acquired infection rates (2.535% (9/355) vs 2.047% (7/342), P = 0.667) nor in the detection rates of the four major multidrug-resistant bacteria in the EICU before and after the application of the IoT management system (P > 0.05). CONCLUSION The IoT management system significantly improved hand hygiene compliance among medical staff, except cleaners, in the EICU of one provincial hospital; however, the rates of nosocomial infection did not significantly decrease. The quality of hand hygiene implementation needs to be improved.
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Effective Removal of Cr(VI) from Aqueous Solution Using Modified Orange Peel Powder: Equilibrium and Kinetic Study. NATURE ENVIRONMENT AND POLLUTION TECHNOLOGY 2020. [DOI: 10.46488/nept.2020.v19i04.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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[Research on the spread of the book Shiyi Xinjian in ancient and modern times]. ZHONGHUA YI SHI ZA ZHI (BEIJING, CHINA : 1980) 2020; 50:369-372. [PMID: 33596614 DOI: 10.3760/cma.j.cn112155-20200514-00070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Three volumes of Shiyi Xinjian, written by Zan Yin of Tang Dynasty, contains the theories and prescriptions of food treatment in various branches, which have far-reaching influence on food treatment and clinical treatment. The book was written in the 9th century A. D. as a dietary therapy prescription. In the Northern Song Dynasty, the book of Shiyi Xinjian was still surviving. It has been cited in Taiping Shenghuifang: Shizhi, Yanglao Fengqinshu, Zhenglei Bencao(, Classified Materia Medica from Historical Classics for Emergency) and Shengji Zonglu: Shizhimen. After the Jingkang Incident, the book was rare, and even may have been lost. Until the Ming Dynasty, the book was completely disappeared in China. However, there are some Quotes in the book Zhenglei Bencao and other books, and the contents of this book are still often cited by later medical books. After that, the Japanese collected 211 prescriptions of Shiyi Xinjian from Euibangyoochui in Korea. Luo Zhenyu brought them back to China and published them in the Dongfang Xuehui in 1924, which made the Shiyi Xinjian appear in a separate volume in China for the first time since it was lost, which promoted the spread of the book in China. After the founding of the People's Republic of China, some of the scholars collected it again, which improved the content of the book.
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122P Nomogram to predict short-term effect of radiotherapy based on pre/post-treatment inflammatory biomarkers and their dynamic changes in esophageal squamous cell carcinoma. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.10.143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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Identifying Optimal First-Line Interventions for Advanced Non-Small Cell Lung Carcinoma According to PD-L1 Expression: A Systematic Review and Network Meta-Analysis. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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