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Wu X, Xia L, Wang J, Wang C, Zhang Q, Zhu J, Rao Q, Cheng H, Liu Z, Y. Yin, Ai X, Gulina K, Zheng H, Luo X, Chang B, Li L, Liu H, Li Y, Zhu J. 79P Efficacy and safety of zimberelimab (GLS-010) monotherapy in patients with recurrent or metastatic cervical cancer: A multicenter, open-label, single-arm, phase II study. IMMUNO-ONCOLOGY AND TECHNOLOGY 2022. [DOI: 10.1016/j.iotech.2022.100183] [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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102
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Liu Z, Landén N. 599 The compendium of profiling coding and non-coding RNAs in human skin wounds. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.09.616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Wang H, Liu Z, Wang J, Hu F, Zhou Q, Wei L, Bao Q, Wang J, Liang J, Liu Z, Zhang W. Superenhancers activate the autophagy-related genes Beclin1 and LC3B to drive metastasis and drug resistance in osteosarcoma. Front Med 2022; 16:883-895. [PMID: 36334211 DOI: 10.1007/s11684-022-0919-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 12/21/2021] [Indexed: 11/06/2022]
Abstract
Metastasis and drug resistance are the leading causes of poor prognosis in patients with osteosarcoma. Identifying the relevant factors that drive metastasis and drug resistance is the key to improving the therapeutic outcome of osteosarcoma. Here, we reported that autophagy was highly activated in metastatic osteosarcoma. We found increased autophagolysosomes in metastatic osteosarcoma cell lines by using electron microscopy, Western blot, and immunofluorescence experiments. We further examined the expression of the autophagy-related genes Beclin1 and LC3B in 82 patients through immunohistochemistry and found that Beclin1 and LC3B were highly related to unfavorable prognosis of osteosarcoma. Knockdown of Beclin1 and LC3B reduced invasion, metastasis, and proliferation in metastatic osteosarcoma cells. In vitro and in vivo studies also demonstrated that inhibiting by 3-MA inhibited cell growth and metastasis. Moreover, we demonstrated that autophagy-related genes were activated by SEs and that the inhibition of SEs by JQ-1 decreased the metastasis of osteosarcoma. Overall, our findings highlighted the association of autophagy with osteosarcoma progression and shed new light on autophagy-targeting therapy for osteosarcoma.
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Zhuo L, Wang Z, Yang Y, Liu Z, Wang S, Song Y. Obstetric and offspring outcomes in isolated maternal hypothyroxinaemia: a systematic review and meta-analysis. J Endocrinol Invest 2022; 46:1087-1101. [PMID: 36422828 DOI: 10.1007/s40618-022-01967-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 11/12/2022] [Indexed: 11/27/2022]
Abstract
OBJECTIVE To examine the association between isolated maternal hypothyroxinaemia (IMH) and adverse obstetric outcomes and offspring outcomes and also investigate the effects of levothyroxine therapy on IMH for the above outcomes. METHODS We systematically searched PubMed, EMBASE, and Cochrane Library, and the reference lists of key reviews were hand searched on June 9, 2021. Two authors independently screened titles/abstracts. Full articles were further assessed if the information suggested that the study met the inclusion/exclusion criteria, and two researchers performed data extraction and risk-of-bias assessment using standardized tables. Summary relative risks or the mean difference between maternal effects and offspring outcomes were calculated by a random-effects model. RESULTS We identified 38 eligible articles (35 cohort studies and two randomized controlled trials [RCT]). Meta-analysis showed that maternal IMH was associated with increased gestational diabetes mellitus, preterm premature rupture of membranes, preterm birth, fetal distress, and macrosomia outcomes in IMH compared to euthyroid women, and the relative risks were 1.42 (1.03-1.96), 1.50 (1.05-2.14), 1.33 (1.15-1.55), 1.75 (1.16-2.65) and 1.62 (1.35-1.94), respectively. IMH was not associated with placenta previa, gestational hypertension, pre-eclampsia, intrauterine growth restriction, and offspring outcomes like birth weight, low birth weight infants, fetal macrosomia, neonatal intensive care, neonatal death, or fetal head circumference. In addition, we did not find an association between IMH and adverse offspring cognitive defects. Due to insufficient data for meta-analysis, it failed to pool the evidence of levothyroxine's therapeutic effect on IMH and their offspring. CONCLUSIONS AND RELEVANCE IMH in pregnancy may relate to a few maternal and offspring outcomes. Moreover, there is currently no sufficient evidence that levothyroxine treatment during pregnancy reduces adverse maternal outcomes and disability in offspring. Further investigation to explore the beneficial effects of levothyroxine therapy is warranted.
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Abbrescia M, Avanzini C, Baldini L, Ferroli RB, Batignani G, Battaglieri M, Boi S, Bossini E, Carnesecchi F, Casula M, Cavazza D, Cicalò C, Cifarelli L, Coccetti F, Coccia E, Corvaglia A, Gruttola DD, Pasquale SD, Galante L, Garbini M, Gemme G, Gnesi I, Gramstad E, Grazzi S, Haland ES, Hatzifotiadou D, Rocca PL, Liu Z, Lombardo L, Mandaglio G, Margotti A, Maron G, Mazziotta MN, Mazzola M, Mulliri A, Nania R, Noferini F, Nozzoli F, Ould-Saada F, Palmonari F, Panareo M, Panetta MP, Paoletti R, Parvis M, Pellegrino C, Perasso L, Pinazza O, Pinto C, Pisano S, Riggi F, Righini G, Ripoli C, Rizzi M, Sartorelli G, Scapparone E, Schioppa M, Scioli G, Scribano A, Selvi M, Taiuti M, Terreni G, Trifirò A, Trimarchi M, Viola AP, Vistoli C, Votano L, Williams MCS, Zichichi A, Zuyeuski R. Observation of Rayleigh-Lamb waves generated by the 2022 Hunga-Tonga volcanic eruption with the POLA detectors at Ny-Ålesund. Sci Rep 2022; 12:19978. [PMID: 36404312 PMCID: PMC9676196 DOI: 10.1038/s41598-022-23984-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 11/07/2022] [Indexed: 11/21/2022] Open
Abstract
The eruption of the Hunga-Tonga volcano in the South Pacific Ocean on January 15, 2022, at about 4:15 UTC, generated a violent explosion, which created atmospheric pressure disturbances in the form of Rayleigh-Lamb waves detected all over the globe. Here we discuss the observation of the Hunga-Tonga shock-wave performed at the Ny-Ålesund Research Station on the Spitsbergen island, by the detectors of the PolarquEEEst experiment and their ancillary sensors. Online pressure data as well as the results of dedicated offline analysis are presented and discussed in details. Results include wave arrival times, wave amplitude measurements and wave velocity calculation. We observed five passages of the shock wave with a significance larger than 3 [Formula: see text] and an amplitude up to 1 hPa. The average propagation velocity resulted to be (308 ± 0.6) m/s. Possible effects of the atmospheric pressure variation associated with the shock-wave multiple passages on the cosmic-ray rate at ground level are also investigated. We did not find any significant evidence of this effect.
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Chen Y, Liu Z, Zhang Y, Man H, Yu J. 18F-AlF-NOTA-PCP1 PET/CT Imaging Visualize Radiation-Induced PD-L1 Expression in Glioblastoma Subcutaneous Xenograft Mouse Models. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Liu Z, Yu Z, Chen D, Wu M, Yu J. Pivotal Roles of Tumor-Draining Lymph Nodes in the Abscopal Effect from Combined Immunotherapy and Radiotherapy. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.2085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Barry A, Helou J, Bezjak A, Wong R, Dawson L, Ringash J, Fazelzad R, Liu Z, Olson R, Palma D, Ost P, Siva S, Phillips R, Adhikari N. Health Related Quality of Life Outcomes Following Stereotactic Body Radiotherapy in Patients with Oligo-Metastatic Disease: An Individual Patient Data Meta-Analysis. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.1693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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109
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Padayachee J, Liu Z, Berlin A, Helou J, Winter J, Kong V, Glicksman R, Raman S, Weersink R, Chung P. HDR Focal Boost with Whole Gland SBRT in Localized Prostate Cancer: Assessment of Acute Toxicity and Early Quality of Life. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.1205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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110
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Zhang Q, Zhang J, Liu Z, Wang T, Wang J, Shi F, Su J, Wang F. The Recovery of the Absolute Lymphocyte Subpopulation Count in Cervical Cancer Patients after Radiotherapy. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.1248] [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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Othman H, Koch A, Purdie T, Chan M, Tadic T, Weiss J, Liu Z, Isfahanian N, Glicksman R, Helou J, Liu F, Hahn E, Rodin D, Fyles A, Barry A, Croke J. Early Institutional Experience of Ultra-Hypofractionated Breast Radiotherapy in a Large Academic Cancer Center. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Zhang Q, Shen K, Song C, Ouyang Q, Liu Z, Liu Q, Wang X, Yang Y, Qian C, Shao Z. 3MO Patient-reported outcomes (PROs) of Chinese patients (pts) in monarchE: Abemaciclib plus endocrine therapy (ET) in adjuvant treatment of HR+, HER2-, node-positive, high-risk, early breast cancer (EBC). Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.10.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
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Wang J, Liu Z, Zhang Q, Zhang J, Wang R, Wang T, MA J, Shi F, Su J, Yuan W. The Choice of 2D-Brachytherapy or 3D-Brachytherapy for Cervical Cancer Patients after External Beam Radiation Based on Residual Gross Tumor Volume. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.1261] [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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Chowdhury MAZ, Ok K, Luo Y, Liu Z, Chen S, O’Halloran TV, Kettimuthu R, Tekawade A. ROI-Finder: machine learning to guide region-of-interest scanning for X-ray fluorescence microscopy. JOURNAL OF SYNCHROTRON RADIATION 2022; 29:1495-1503. [PMID: 36345757 PMCID: PMC9641565 DOI: 10.1107/s1600577522008876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 09/05/2022] [Indexed: 06/16/2023]
Abstract
The microscopy research at the Bionanoprobe (currently at beamline 9-ID and later 2-ID after APS-U) of Argonne National Laboratory focuses on applying synchrotron X-ray fluorescence (XRF) techniques to obtain trace elemental mappings of cryogenic biological samples to gain insights about their role in critical biological activities. The elemental mappings and the morphological aspects of the biological samples, in this instance, the bacterium Escherichia coli (E. Coli), also serve as label-free biological fingerprints to identify E. coli cells that have been treated differently. The key limitations of achieving good identification performance are the extraction of cells from raw XRF measurements via binary conversion, definition of features, noise floor and proportion of cells treated differently in the measurement. Automating cell extraction from raw XRF measurements across different types of chemical treatment and the implementation of machine-learning models to distinguish cells from the background and their differing treatments are described. Principal components are calculated from domain knowledge specific features and clustered to distinguish healthy and poisoned cells from the background without manual annotation. The cells are ranked via fuzzy clustering to recommend regions of interest for automated experimentation. The effects of dwell time and the amount of data required on the usability of the software are also discussed.
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Liu Z, Geng Y, Zhang Y, Cui D, Yang L, Xiong Z, Pavlostathis SG, Shao P, Luo X. Microalgae-bacteria tandem-type ponds simultaneously removing ammonia nitrogen and phosphorus towards municipal wastewater advanced treatment. ENVIRONMENTAL RESEARCH 2022; 214:114076. [PMID: 35970376 DOI: 10.1016/j.envres.2022.114076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 08/01/2022] [Accepted: 08/05/2022] [Indexed: 06/15/2023]
Abstract
Low C/N municipal wastewater is difficult to be treated effectively via traditional biological methods, leading to concentrations of pollutants in effluent far exceeding increasingly strict standards. In this work, we propose a novel microalgae-bacteria tandem-type process to simultaneously remove ammonia nitrogen (NH4+-N) and phosphorus (P) from municipal wastewater. A 4.5 L microalgae-bacteria tandem-type reactor was constructed and operated stably for 40 days. The removal efficiencies of NH4+-N and P reached 97.5% and 92.9%, respectively, effluent concentrations were 0.53 and 0.17 mg/L on average, which met the Environmental quality standards for surface water in China (GB 3838-2002). Remarkably, microalgae ponds accounted for 69.3% and 76.3% of the overall NH4+-N and P removal via microalgae assimilation. Furthermore, 16 S rRNA gene amplicon sequencing revealed the abundance of bacteria changed, suggesting that the presence of microalgae leads to some species extinction and low-abundance bacteria increase. This work demonstrated that the microalgae-bacteria tandem-type processes can be efficient and widely applied in the advanced treatment of municipal wastewater.
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Barry A, Bezjak A, Kiss A, Helou J, Goodwin P, Liu Z, Ringash J, Munoz Schuffenegger P, Wong R. The Impact of Disease Progression on Health-Related Quality of Life Outcomes in Patients with Oligo-Metastatic Disease at 12-Months post Stereotactic Body Radiotherapy. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.1692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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117
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Scott A, Weersink M, Liu Z, Milosevic M, Croke J, Fyles A, Lukovic J, Rink A, Beiki-Ardakani A, Borg J, Xie J, Chan K, Ballantyne H, Skliarenko J, Conway J, Gladwish A, Weersink R, Han K. Comparing Dosimetry of Locally Advanced Cervix Cancer Patients Treated with 3 vs. 4 Fractions of MRI-Guided Brachytherapy. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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118
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Wong P, Cheung R, Ito E, Lopez M, Rubinstein E, Keller H, Cheung F, Liu Z, Liu F. Evaluating the Short-Term Environmental and Clinical Effects of a Radiation Oncology Department's Response to the COVID-19 Pandemic (STEER COVID-19). Int J Radiat Oncol Biol Phys 2022. [PMCID: PMC9595451 DOI: 10.1016/j.ijrobp.2022.07.1447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Purpose/Objective(s) During the COVID-19 pandemic, hypofractionated regimens and virtual care was adopted by our institution to preserve hospital capacity and reduce foot traffic. This study's primary objective was to assess the collective environmental impact of these strategic changes by identifying sources of carbon dioxide equivalents (CO2e). As sustainable healthcare is only justifiable if the quality of the care is maintained, we also evaluated the rate of radiation-related acute adverse event. Materials/Methods All patients treated with external beam radiation therapy from April 1, 2019 to March 31, 2021 at our single institution were identified (n=10,175) along with their radiotherapy visits (176,423 fractions), and visits to the radiation nursing clinic (RNC) or emergency (ER) department. A treatment regimen was considered hypofractionated if the dose per fraction was ≥ 240 cGy. If the dose per fraction was ≥ 600 cGy and the total dose of the treatment regimen was > 2000 cGy, then the treatment regimen was classified as SBRT. Out-patient hospital and virtual visits (n=75,853) during this same period were also analyzed. Environmental impact measures, including linear accelerator power usage, patient travel distances, and personal protection equipment (PPE) consumption were all converted into CO2e. A waiver of individual patient consent was granted for this study by our institution's Research Ethics Board (REB). Results The use of curative hypofractionated regimens increased from 17% to 27% during the pandemic year. Twelve out of 15 cancer sites increased their use of hypofractionated regimens. Carbon footprint was reduced by 39% during the pandemic year (1,332,388 kg CO2e) as compared to the pre-pandemic year (2,024,823 kg CO2e). For comparison, the 744 tonnes of CO2e saved during the pandemic year equates to the CO2e produced by the annual energy consumption of 182 Canadian households or the CO2e sequestered by 12,000 seedling trees planted and grown for 10 years. On average 121 kg CO2e and 100 kg CO2e were emitted per radiation regimen delivered during the pre-pandemic and pandemic year, respectively. Comparing patients in the pre-pandemic vs. pandemic year, there was a significant reduction in the proportion of hypofractionated patients who needed a visit to either the RNC (39% vs. 25%; p<0.001) or ER (6% vs. 2%; p<0.001) during and within 90 days of radiotherapy. Conclusion This study demonstrated the environmental benefits of increased use of hypofractionated regimens and virtual care, while assuring that there was no added acute radiation-related adverse event. Our findings support their continued use as one of many long-term strategies to reduce the environmental footprint of healthcare delivery. Treatment efficacy and side-effects will need to be assessed in subsequent years to further support the sustainability of these strategies.
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Zhou C, Lu Y, Kim SW, Baisamut (Reungwetwattana) T, Zhou J, Zhang Y, He J, Yang J, Cheng Y, Lee SH, Chang J, Fang J, Liu Z, Bu L, Qian L, Xu T, Archer V, Hilton M, Zhou M, Zhang L. LBA11 Alectinib (ALC) vs crizotinib (CRZ) in Asian patients (pts) with treatment-naïve advanced ALK+ non-small cell lung cancer (NSCLC): 5-year update from the phase III ALESIA study. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.10.353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022] Open
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Holt F, Probert J, Liu Z, Duane F, Ntentas G, Darby S, Dodwell D, Coles C, Haviland J, Kirby A, Taylor C. Proton beam therapy for early breast cancer: a systematic review and quantitative synthesis of adverse clinical outcomes. Eur J Cancer 2022. [DOI: 10.1016/s0959-8049(22)01474-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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121
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Tang Y, Ma H, Zhou H, Liu Z, Zhang H, Zhang W, Cai Y, Li Y, Wei L, Liu S, Wang W, Fang H, Song Y, Chen B, Lu N, Jing H, Qi S, Zhang W, Liu Y, Wang S, Wang X, LI Y, Jin J. Preliminary Results of a Prospective Phase II Study of Total Neoadjuvant Therapy for Locally Advanced Rectal Cancer. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.1824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Wu YL, Zhao J, Hu J, Wu J, Xu Y, Yang Z, Liu Z, Jiang L, Chen J, Yu Y, Huang M, Dong X, Liu L, Feng W, Wu L, Cang S, Sun J, Xie Q, Chen HJ. 388P Capmatinib in Chinese adults with EGFR wt, ALK rearrangement negative (ALK-R−), MET exon 14 skipping mutation (METex14), advanced NSCLC: Results from the phase II GEOMETRY-C study. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.10.425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022] Open
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Phong VH, Nishimura S, Lorusso G, Davinson T, Estrade A, Hall O, Kawano T, Liu J, Montes F, Nishimura N, Grzywacz R, Rykaczewski KP, Agramunt J, Ahn DS, Algora A, Allmond JM, Baba H, Bae S, Brewer NT, Bruno CG, Caballero-Folch R, Calviño F, Coleman-Smith PJ, Cortes G, Dillmann I, Domingo-Pardo C, Fijalkowska A, Fukuda N, Go S, Griffin CJ, Ha J, Harkness-Brennan LJ, Isobe T, Kahl D, Khiem LH, Kiss GG, Korgul A, Kubono S, Labiche M, Lazarus I, Liang J, Liu Z, Matsui K, Miernik K, Moon B, Morales AI, Morrall P, Nepal N, Page RD, Piersa-Siłkowska M, Pucknell VFE, Rasco BC, Rubio B, Sakurai H, Shimizu Y, Stracener DW, Sumikama T, Suzuki H, Tain JL, Takeda H, Tarifeño-Saldivia A, Tolosa-Delgado A, Wolińska-Cichocka M, Woods PJ, Yokoyama R. β-Delayed One and Two Neutron Emission Probabilities Southeast of ^{132}Sn and the Odd-Even Systematics in r-Process Nuclide Abundances. PHYSICAL REVIEW LETTERS 2022; 129:172701. [PMID: 36332266 DOI: 10.1103/physrevlett.129.172701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 07/30/2022] [Accepted: 08/25/2022] [Indexed: 06/16/2023]
Abstract
The β-delayed one- and two-neutron emission probabilities (P_{1n} and P_{2n}) of 20 neutron-rich nuclei with N≥82 have been measured at the RIBF facility of the RIKEN Nishina Center. P_{1n} of ^{130,131}Ag, ^{133,134}Cd, ^{135,136}In, and ^{138,139}Sn were determined for the first time, and stringent upper limits were placed on P_{2n} for nearly all cases. β-delayed two-neutron emission (β2n) was unambiguously identified in ^{133}Cd and ^{135,136}In, and their P_{2n} were measured. Weak β2n was also detected from ^{137,138}Sn. Our results highlight the effect of the N=82 and Z=50 shell closures on β-delayed neutron emission probability and provide stringent benchmarks for newly developed macroscopic-microscopic and self-consistent global models with the inclusion of a statistical treatment of neutron and γ emission. The impact of our measurements on r-process nucleosynthesis was studied in a neutron star merger scenario. Our P_{1n} and P_{2n} have a direct impact on the odd-even staggering of the final abundance, improving the agreement between calculated and observed Solar System abundances. The odd isotope fraction of Ba in r-process-enhanced (r-II) stars is also better reproduced using our new data.
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Liu WL, Zhang X, Nie SM, Liu ZT, Sun XY, Wang HY, Ding JY, Jiang Q, Sun L, Xue FH, Huang Z, Su H, Yang YC, Jiang ZC, Lu XL, Yuan J, Cho S, Liu JS, Liu ZH, Ye M, Zhang SL, Weng HM, Liu Z, Guo YF, Wang ZJ, Shen DW. Spontaneous Ferromagnetism Induced Topological Transition in EuB_{6}. PHYSICAL REVIEW LETTERS 2022; 129:166402. [PMID: 36306743 DOI: 10.1103/physrevlett.129.166402] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 08/09/2022] [Accepted: 09/12/2022] [Indexed: 06/16/2023]
Abstract
The interplay between various symmetries and electronic bands topology is one of the core issues for topological quantum materials. Spontaneous magnetism, which leads to the breaking of time-reversal symmetry, has been proven to be a powerful approach to trigger various exotic topological phases. In this Letter, utilizing the combination of angle-resolved photoemission spectroscopy, magneto-optical Kerr effect microscopy, and first-principles calculations, we present the direct evidence on the realization of the long-sought spontaneous ferromagnetism induced topological transition in soft ferromagnetic EuB_{6}. Explicitly, we reveal the topological transition is from Z_{2}=1 topological insulator in paramagnetic state to χ=1 magnetic topological semimetal in low temperature ferromagnetic state. Our results demonstrate that the simple band structure near the Fermi level and rich topological phases make EuB_{6} an ideal platform to study the topological phase physics.
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Wang XY, Li JR, Zhang JH, Wang JS, Liu Z, Zhang C. [Effect of gastroesophageal reflux disease on the clinical characteristics of patients with laryngopharyngeal reflux disease]. ZHONGHUA ER BI YAN HOU TOU JING WAI KE ZA ZHI = CHINESE JOURNAL OF OTORHINOLARYNGOLOGY HEAD AND NECK SURGERY 2022; 57:1178-1184. [PMID: 36319122 DOI: 10.3760/cma.j.cn115330-20220525-00302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Objective: To investigate the effect of gastroesophageal reflux disease (GERD) on the clinical characteristics of patients with laryngopharyngeal reflux disease(LPRD). Methods: The data of 141 patients with symptoms of LPRD, who were admitted to the Department of Pharyngology, Laryngology& Phonosurgery at the Sixth Medical Center of the PLA General Hospital from November 2020 to October 2021, were retrospectively analyzed.There were 118 males and 23 females, aged 28-75 (56.72±10.04) years old. The included patients underwent simultaneous 24-hour hypopharyngeal and esophageal multichannel intraluminal impedance pH monitoring (24h-HEMII-pH), salivary pepsin test at multiple times, Reflux Symptom Index (RSI), and Reflux Finding Score (RFS). One laryngopharyngeal reflux event on 24 h-HEMII-pH monitoring results was used as a diagnostic criterion for LPRD. And the duration of lower esophageal pH<4.0>4.0% at 24 h or DeMeester score>14.7 were used as diagnostic criteria for GERD. Among them, patients with both positive LPRD and GERD were classified as L&G group, patients with positive LPRD and negative GERD were classified as IL group, patients with negative LPRD and positive GERD were classified as IG group, and patients with both negative LPRD and GERD were classified as N group. The differences in the clinical characteristics of reflux and salivary pepsin assay in each group were statistically analyzed. SPSS 23.0 software was applied for statistical analysis. Results: According to the 24 h-HEMII-pH results, 116 (82.3%) patients were diagnosed with LPRD and 45 (31.9%) with GERD, including 82 (58.2%) in the IL group, 34 (24.1%) in the L&G group, 11 (7.8%) in the IG group, and 14 (9.9%) in the N group. Based on the salivary pepsin test, a total of 106 patients had positive results, and the L&G group had a significantly higher rate of positive total salivary pepsin test (94.1%) and positive morning test (70.6%) than the IL group (75.6%, 26.8%), IG group (63.6%, 27.3%) and N group (35.7%, 28.6%), with chi-square values of 19.01 and 20.81, both with P<0.001. The patients in the L&G group had a significantly higher RSI score (14.0) than the IL group (7.0), IG group (1.0) and N group (0), H=52.26,P<0.001. The difference in RFS between the L&G and IL groups was not statistically significant (Z=-0.92,P>0.05). Conclusion: Combined with GERD, LPRD patients have more obvious clinical symptoms and higher positive rate of pepsin test in saliva.
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