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Lu M, Wang Y, Zhang P, Shen L. 499TiP Surufatinib combined with sintilimab and IBI310 in the treatment of high-grade advanced-neuroendocrine neoplasm: A single arm, open-label, multicenter study. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Wang L, Qin S, Zhou Y, Zhang S, Sun X, Chen Z, Cui J, Zhao P, Gu K, Li Z, Wang J, Chen X, Yao J, Shen L, Zhou J, Wang G, Bai Y, Wang Q, Wang H. LBA61 HR070803 plus 5-FU/LV versus placebo plus 5-FU/LV in second-line therapy for gemcitabine-refractory locally advanced or metastatic pancreatic cancer: A multicentered, randomized, double-blind, parallel-controlled phase III trial (HR-IRI-APC). Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.08.063] [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] Open
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Shen L, Gong J, Niu Z, Zhao R, L. Chen, L. Liu, Deng T, L. Lu, Zhang Y, Z. Li, X. Li, B. Xia. 1210P The preliminary efficacy and safety of KN026 combined with KN046 treatment in HER2-positive locally advanced unresectable or metastatic gastric/gastroesophageal junction cancer without prior systemic treatment in a phase II study. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1328] [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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Harding J, Hofheinz R, Elez Fernandez M, Kuboki Y, Rasco D, Cecchini M, Shen L, Archuadze S, Geng J, Haderk F, Pant S. 371P A phase Ia/b, open-label, multicentre study of the TRAILR2 agonist BI 905711 in patients (pts) with advanced gastrointestinal (GI) cancers. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.509] [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] Open
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Italiano A, Drilon A, Shen L, Hong D, van Tilburg C, Tan D, Lin J, Kummar S, Doz F, Geoerger B, Brose M, Briggs A, Lassen U, Vassal G, Keating K, Norenberg R, Dima L, Brega N, Laetsch T, Garcia-Foncillas J. 464P Intra-patient (Pt) comparison from larotrectinib (Laro) clinical trials in tropomyosin receptor kinase (TRK) fusion cancer: An expanded dataset. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Shen L, Gong J, Li N, Guo W, Zhang J, Fan Q, Liu T, Xia Z, Y. Shen, Wang J, Lu L, Qi C, Yao J, Qian X, Shi M. 1254P Updated report of a phase I study of TST001, a humanized anti-CLDN18.2 monoclonal antibody, in combination with capecitabine and oxaliplatin (CAPOX) as a first-line treatment of advanced G/GEJ cancer. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.1372] [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] Open
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Catenacci DVT, Kang YK, Yoon HH, Shim BY, Kim ST, Oh DY, Spira AI, Ulahannan SV, Avery EJ, Boland PM, Chao J, Chung HC, Gardner F, Klempner SJ, Lee KW, Oh SC, Peguero J, Sonbol MB, Shen L, Moehler M, Sun J, Li D, Rosales MK, Park H. Margetuximab with retifanlimab as first-line therapy in HER2+/PD-L1+ unresectable or metastatic gastroesophageal adenocarcinoma: MAHOGANY cohort A. ESMO Open 2022; 7:100563. [PMID: 36029651 PMCID: PMC9588876 DOI: 10.1016/j.esmoop.2022.100563] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 07/17/2022] [Indexed: 12/12/2022] Open
Abstract
Background Human epidermal growth factor receptor 2 (HER2)-positive metastatic gastric and gastroesophageal adenocarcinoma (GEA) is globally treated with chemotherapy plus trastuzumab. Novel therapeutic strategies strive to not only optimize efficacy, but also limit toxicities. In MAHOGANY cohort A, margetuximab, an Fc-engineered, anti-HER2 monoclonal antibody (mAb) was combined with retifanlimab, an anti-programmed cell death protein 1 mAb, in the first-line HER2-positive/programmed death-ligand 1 (PD-L1)-positive GEA. Patients and methods MAHOGANY cohort A part 1 is a single-arm trial to evaluate margetuximab plus retifanlimab in patients with HER2 immunohistochemistry 3+, PD-L1-positive (combined positive score ≥1%), and non-microsatellite instability-high tumors. Primary objectives for cohort A were safety/tolerability and the confirmed objective response rate (ORR). Results As of 3 August 2021, 43 patients were enrolled and received margetuximab/retifanlimab. Nine grade 3 treatment-related adverse events (TRAEs) were reported in eight (18.6%) patients and eight serious TRAEs in seven (16.3%) patients. There were no grade 4/5 TRAEs. Three patients discontinued margetuximab/retifanlimab because of immune-related adverse events. The ORR by independent assessment was 53% [21/40 (95% confidence interval (CI) 36.1-68.5)], with a median duration of response of 10.3 months (95% CI 4.6-not evaluable); disease control rate was 73% [29/40 (95% CI 56.1-85.4)]. The study sponsor discontinued the study in advance of the planned enrollment when it became apparent that the study design would no longer meet the requirements for drug approval because of recent advances in the treatment of GEA. Conclusions The chemotherapy-free regimen of combined margetuximab/retifanlimab as first-line treatment in double biomarker-selected patients demonstrated a favorable toxicity profile compared with historical outcomes using chemotherapy plus trastuzumab. The ORR observed in this study compares favorably versus ORR observed with other chemotherapy-free approaches. The margetuximab/retifanlimab regimen has a favorable toxicity profile versus historical chemotherapy-based regimens in GEA. The margetuximab/retifanlimab regimen as first-line therapy for GEA met the prespecified boundary for antitumor activity. The 53% ORR [21/40 (95% CI 36.1-68.5)] in the combined regimen compared favorably with other chemotherapy-free approaches. Median duration of response was 10.3 months (95% CI 4.57-not evaluable) and disease control rate was 73% [29/40 (95% CI 56.1-85.4)]. The study was discontinued for business reasons as chemotherapy-based regimens remain the dominant therapy for GEA.
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Raiker R, Jenkins K, Pakhchanian H, Shen L. 394 Characteristics and reasons for litigations involving dermatitis: An exploratory analysis. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.05.403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Jenkins K, Raiker R, Pakhchanian H, Shen L. 266 Comorbidity associations among pediatric hidradenitis suppurativa patients: A cross-sectional analysis. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.05.273] [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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Assefa TA, Seaberg MH, Reid AH, Shen L, Esposito V, Dakovski GL, Schlotter W, Holladay B, Streubel R, Montoya SA, Hart P, Nakahara K, Moeller S, Kevan SD, Fischer P, Fullerton EE, Colocho W, Lutman A, Decker FJ, Sinha SK, Roy S, Blackburn E, Turner JJ. The fluctuation-dissipation measurement instrument at the Linac Coherent Light Source. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2022; 93:083902. [PMID: 36050107 DOI: 10.1063/5.0091297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 06/30/2022] [Indexed: 06/15/2023]
Abstract
The development of new modes at x-ray free electron lasers has inspired novel methods for studying fluctuations at different energies and timescales. For closely spaced x-ray pulses that can be varied on ultrafast time scales, we have constructed a pair of advanced instruments to conduct studies targeting quantum materials. We first describe a prototype instrument built to test the proof-of-principle of resonant magnetic scattering using ultrafast pulse pairs. This is followed by a description of a new endstation, the so-called fluctuation-dissipation measurement instrument, which was used to carry out studies with a fast area detector. In addition, we describe various types of diagnostics for single-shot contrast measurements, which can be used to normalize data on a pulse-by-pulse basis and calibrate pulse amplitude ratios, both of which are important for the study of fluctuations in materials. Furthermore, we present some new results using the instrument that demonstrates access to higher momentum resolution.
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Wang Q, Huang YYY, Li LR, Zhou JS, Li Y, Shen L, Fan GK. [The value of high-definition intelligent endoscopy combined with stroboscopy in the diagnosis and treatment of vocal cord leukoplakia]. ZHONGHUA ER BI YAN HOU TOU JING WAI KE ZA ZHI = CHINESE JOURNAL OF OTORHINOLARYNGOLOGY HEAD AND NECK SURGERY 2022; 57:868-873. [PMID: 35866281 DOI: 10.3760/cma.j.cn115330-20211021-00678] [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: To evaluate the clinical value of high-definition intelligent endoscopy (iSCAN) combined with stroboscopy in identifying vocal cord leukoplakia. Methods: Seventy-nine patients with vocal cord leukoplakia who underwent CO2 laser laryngeal microsurgery and diagnosed by histopathology were recruited between October 2020 to August 2021. The morphological features, microvascular morphology and mucosal waves were observed by stroboscope; SPSS 20.0 software was used for statistical analysis. Results: There were 79 patients with a total of 119 lesions (56 on left and 63 on right).Pathological examination showed that 51 sides of the vocal cords were malignant lesions (severe dysplasia, carcinoma in situ and invasive carcinoma), and 68 sides were benign lesions.Under stroboscopy, 69 sides of mucosal wave were normal or slightly decreased, and 50 sides were severely decreased or disappeared.The decrease degree of mucosal wave was positively correlated with malignant lesions (ρ=0.687, P<0.001).Under iSCAN endoscopy, there was a positive correlation between the morphological changes of microvessels at the lesion site (vertical) and the malignant lesion (ρ=0.687, P<0.001).Univariate analysis showed that lesion size, thickness, uneven color, granular elevation, peripheral erythema and asymmetry were positively correlated with malignant lesions (ρ=0.530, 0.401, 0.538, 0.315, 0.497, 0.281, P<0.05).Logistic regression analysis showed that the risk of pathological malignancy with large lesions was 5.437 times higher than those of small lesions, the vertical vascular changes under iSCAN were 8.711 times higher than that of normal vascular morphology, and the severe reduction or disappearance of mucosal waves was 9.12 times higher than that of normal or mild reduction of mucosal waves. Conclusion: ISCAN can be combined with staphyloscopy to comprehensively observe and evaluate the changes of vocal cord morphology, submucosal microvessels and mucosal wave of vocal cord in patients with vocal cord leukoplosis, thus improving the ability to distinguish benign and malignant lesions.
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Van Cutsem E, Kato K, Ajani J, Shen L, Xia T, Ding N, Zhan L, Barnes G, Kim SB. Tislelizumab versus chemotherapy as second-line treatment of advanced or metastatic esophageal squamous cell carcinoma (RATIONALE 302): impact on health-related quality of life. ESMO Open 2022; 7:100517. [PMID: 35785595 PMCID: PMC9434166 DOI: 10.1016/j.esmoop.2022.100517] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 05/20/2022] [Accepted: 05/23/2022] [Indexed: 12/05/2022] Open
Abstract
Background RATIONALE 302 (NCT03430843) an open-label, phase III study of second-line treatment of advanced/metastatic esophageal squamous cell carcinoma (ESCC), reported that tislelizumab, relative to investigator-chosen chemotherapy (ICC), was associated with improvements in overall survival and a favorable safety profile. This study assessed the health-related quality of life (HRQoL) and ESCC-related symptoms of patients in RATIONALE 302. Methods Adults with advanced/metastatic ESCC whose disease progressed following prior systemic therapy were randomized 1 : 1 to receive either tislelizumab or ICC (paclitaxel, docetaxel, or irinotecan). HRQoL was measured using the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 items (EORTC QLQ-C30), the EORTC Quality of Life Questionnaire Oesophageal Cancer Module 18 items (QLQ-OES18), and the EuroQoL Five-Dimensions Five-Levels (EQ-5D-5L) visual analogue scale. Mixed effect modeling for repeated measurements examined changes from baseline to weeks 12 and 18. The Kaplan–Meier method was used to examine time to deterioration. Results Overall, 512 patients were randomized to tislelizumab (n = 256) or ICC (n = 256). The tislelizumab arm maintained QLQ-C30 global health status/quality whereas the ICC arm worsened at week 12 {difference in least square (LS) mean change: 5.8 [95% confidence interval (CI): 2.0-9.5], P = 0.0028} and week 18 [difference in LS mean change: 8.1 (95% CI: 3.4-12.8), P = 0.0008]. Physical functioning (week 18) and fatigue (weeks 12 and 18) worsened less in the tislelizumab compared with the ICC arm. The tislelizumab arm improved in reflux symptoms, whereas the ICC worsened at week 12 [difference in LS mean change: −4.1 (95% CI: −7.6 to −0.6), P = 0.0229]. The visual analogue scale remained consistent in the tislelizumab arm whereas it worsened in the ICC arm. The hazard of time to deterioration was lower in tislelizumab patients compared with ICC for physical functioning and reflux. Conclusions HRQoL, including fatigue symptoms and physical functioning, was maintained in patients with advanced or metastatic ESCC receiving tislelizumab compared with ICC-treated patients. These results provide additional support for the benefits of tislelizumab in this patient population. Global health status and HRQoL remained consistent in the tislelizumab arm whereas the ICC arm experienced worsening. Fatigue and physical functioning worsened in both arms; however, the worsening was greater in the ICC arm. The tislelizumab arm was at lower risk of reaching the threshold for worsening in physical functioning and reflux.
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Shitara K, Barlaskar F, Franke F, Kawaguchi Y, Shen L, Kamio T, Meinhardt G, Tabernero J. P-159 Trastuzumab deruxtecan (T-DXd) in patients with HER2-positive gastric cancer (GC) or gastroesophageal junction (GEJ) adenocarcinoma who have progressed on or after a trastuzumab-containing regimen (DESTINY-Gastric04): A randomized phase 3 study. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.04.249] [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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Tabernero J, Elimova E, Ku G, Shitara K, Shen L, Liu T, Lin X, Boyken L, Li H, Grim J, Ajani J. P-26 HERIZON-GEA-01: A phase 3 study of zanidatamab in combination with chemotherapy with or without tislelizumab in first-line human epidermal growth factor receptor 2 positive (HER2+) advanced/metastatic gastroesophageal adenocarcinoma (GEA). Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.04.117] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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Shen L, Zhang Y, Honglin Z, Distler JHW. POS0476 THE NUCLEAR RECEPTOR TR4 ORCHESTRATES CYTOSKELETAL ORGANIZATION IN A Gα12/ROCK-DEPENDENT MANNER TO PROMOTE MYOFIBROBLAST DIFFERENTIATION AND TISSUE FIBROSIS IN SYSTEMIC SCLEROSIS. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.2033] [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
BackgroundNuclear receptors (NR) are a family of transcription factors. Several members of the NR family are candidates for targeted intervention in inflammatory and fibrotic diseases (1-2). Testicular receptor 4 (TR4), also known as Nr2c2, has been shown to regulate fundamental cellular processes such as differentiation, proliferation and growth factor signaling (3-4). However, its role in fibrotic diseases has not been investigated so far.ObjectivesThe aim of the present study was to characterize the role of TR4 in the pathogenesis of fibrotic tissue remodeling in SSc and to interrogate its underlying mechanism.MethodsExpression of TR4 was quantified by RT-PCR, Western blot and immunofluorescence. The effects of TR4 knockdown on collagen production and myofibroblast differentiation were analyzed in cultured human fibroblasts and in three mouse models with fibroblast-specific knockout of TR4. RNA sequencing was performed in TGFβ-stimulated human dermal fibroblasts transfected with TR4 siRNA or non-targeting siRNA. The implication of TR4 in cytoskeleton regulation was analyzed by ROCK activity assays, stress fiber formation and quantification of the ratio of filamentous (F)-actin/ globular (G)-actin. The functional role of ROCK and Gα12 was analyzed using small molecule inhibitors and siRNA, respectively.ResultsTR4 expression was upregulated in fibroblasts in the skin of SSc patients and fibrotic mouse models. The expression of TR4 was upregulated in a TGFβ- and SMAD3-dependent manner. TR4 knockdown inhibited TGFβ-induced myofibroblast differentiation and collagen release, whereas overexpression of TR4 promoted fibroblast activation. Fibroblastspecific knockout of TR4 ameliorated experimental dermal fibrosis induced by bleomycin, adTBR and in sclGVHD with decreases in dermal thickening, myofibroblast counts and hydroxyproline content. The RNASeq of TR4 knockdown fibroblasts stimulated with TGFβ identified 651 differentially expressed genes as compared to control fibroblasts. Differentially expressed genes included central profibrotic genes such as ACTA2, COL3A1, CCL12. gProfiler enrichment analysis of the TR4-DEGs revealed enrichment of multiple GO, GSEA and Reactome terms related to ECM release, cytoskeleton organization and Rho GTPases activity. Indeed, knockdown of TR4 ameliorated the induction of ROCK activity by TGFβ stimulation and reduced the shift in the ratio from globular (G) actin to filamentous (F) actin. Knockdown of TR4 strongly reduced the expression of the G-protein alpha-12 (Gα12). ROCK inhibition by Y27632 or knockdown of Gα12 inhibited the induction of αSMA and stress fiber formation induced by overexpression of TR4.ConclusionTR4 is upregulated in SSc in a TGFβ-dependent manner to promote fibroblast activation. Inhibition of TR4 interferes with TGFβ-induced activation of ROCK, prevents cytoskeletal remodeling and fibroblast-to-myofibroblast transition and ameliorates experimental fibrosis. As nuclear receptors are common targets for therapeutic intervention, TR4 may offer potential for antifibrotic therapies.References[1]Avouac J, Palumbo-Zerr K, et al. The nuclear receptor constitutive androstane receptor/NR1I3 enhances the profibrotic effects of transforming growth factor beta and contributes to the development of experimental dermal fibrosis. Arthritis Rheumatol. 2014;66(11):3140-50.[2]Palumbo-Zerr K, Zerr P, et al. Orphan nuclear receptor NR4A1 regulates transforming growth factor-beta signaling and fibrosis. Nat Med. 2015;21(2):150-8.[3]Bookout AL, Jeong Y, Downes M, Yu RT, Evans RM, Mangelsdorf DJ. Anatomical profiling of nuclear receptor expression reveals a hierarchical transcriptional network. Cell. 2006;126(4):789-99.[4]Simandi Z, Cuaranta-Monroy I, Nagy L. Nuclear receptors as regulators of stem cell and cancer stem cell metabolism. Seminars in cell & developmental biology. 2013;24(10-12):716-23.Disclosure of InterestsLichong Shen: None declared, Yun Zhang: None declared, ZHU Honglin: None declared, Jörg H.W. Distler Shareholder of: stock owner of 4D Science GmbH, Consultant of: JHWD has consultancy relationships and/or has received research funding from AbbVie, Actelion, BMS, Celgene, Bayer Pharma, Boehringer Ingelheim, JB Therapeutics, Sanofi-Aventis, Novartis, UCB, GSK, Array Biopharma and Active Biotech in the area of potential treatments of SSc.
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Kopetz S, Van Cutsem E, Kuboki Y, Johnson B, Katakabe T, Geng J, Archuadze S, Shen L. P-123 A phase Ia/Ib, open-label, dose-escalation study of the TRAILR2 agonist BI 905711 in combination with chemotherapy in patients with advanced gastrointestinal cancers. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.04.213] [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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Yoshino T, Van Cutsem E, Li J, Shen L, Kim TW, Sriuranpong V, Xuereb L, Aubel P, Fougeray R, Cattan V, Amellal N, Ohtsu A, Mayer RJ. Effect of KRAS codon 12 or 13 mutations on survival with trifluridine/tipiracil in pretreated metastatic colorectal cancer: a meta-analysis. ESMO Open 2022; 7:100511. [PMID: 35688062 PMCID: PMC9271514 DOI: 10.1016/j.esmoop.2022.100511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 05/09/2022] [Accepted: 05/12/2022] [Indexed: 11/19/2022] Open
Abstract
Background KRAS gene mutations can predict prognosis and treatment response in patients with metastatic colorectal cancer (mCRC). Methods We undertook a meta-analysis of three randomized, placebo-controlled trials (RECOURSE, TERRA and J003) to investigate the impact of KRAS mutations in codons 12 or 13 on overall survival (OS) and progression-free survival in patients receiving trifluridine/tipiracil (FTD/TPI) for refractory mCRC. Results A total of 1375 patients were included, of whom 478 had a KRAS codon 12 mutation and 130 had a KRAS codon 13 mutation. In univariate analyses, the absence of a KRAS codon 12 mutation was found to significantly increase the OS benefit of FTD/TPI relative to placebo compared with the presence of the mutation {hazard ratio (HR), 0.62 [95% confidence interval (CI): 0.53-0.72] versus 0.86 (0.70-1.05), respectively; interaction P = 0.0206}. Multivariate analyses showed that taking confounding factors into account reduced the difference in treatment effect between the presence and the absence of KRAS codon 12 mutations, confirming that treatment benefit was maintained in patients with [HR, 0.73 (95% CI: 0.59-0.89)] and without [HR, 0.63 (95% CI: 0.54-0.74)] codon 12 mutations (interaction P = 0.2939). KRAS mutations in codon 13 did not reduce the OS benefit of FTD/TPI relative to placebo, and, furthermore, KRAS mutations at either codon 12 or codon 13 did not affect the progression-free survival benefit. Conclusions Treatment with FTD/TPI produced a survival benefit, relative to placebo, regardless of KRAS codon 12 or 13 mutation status in patients with previously treated mCRC. KRAS mutations are associated with negative outcomes in patients with mCRC; codon 12 and 13 mutations are the most common. FTD/TPI was associated with longer median overall survival vs placebo both in patients with wild-type KRAS and mutant KRAS. FTD/TPI produced a survival benefit, relative to placebo, regardless of KRAS codon 12 or 13 mutation status in this patient group.
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Wandel S, Boschini F, da Silva Neto EH, Shen L, Na MX, Zohar S, Wang Y, Welch SB, Seaberg MH, Koralek JD, Dakovski GL, Hettel W, Lin MF, Moeller SP, Schlotter WF, Reid AH, Minitti MP, Boyle T, He F, Sutarto R, Liang R, Bonn D, Hardy W, Kaindl RA, Hawthorn DG, Lee JS, Kemper AF, Damascelli A, Giannetti C, Turner JJ, Coslovich G. Enhanced charge density wave coherence in a light-quenched, high-temperature superconductor. Science 2022; 376:860-864. [PMID: 35587968 DOI: 10.1126/science.abd7213] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Superconductivity and charge density waves (CDWs) are competitive, yet coexisting, orders in cuprate superconductors. To understand their microscopic interdependence, a probe capable of discerning their interaction on its natural length and time scale is necessary. We use ultrafast resonant soft x-ray scattering to track the transient evolution of CDW correlations in YBa2Cu3O6+x after the quench of superconductivity by an infrared laser pulse. We observe a nonthermal response of the CDW order characterized by a near doubling of the correlation length within ≈1 picosecond of the superconducting quench. Our results are consistent with a model in which the interaction between superconductivity and CDWs manifests inhomogeneously through disruption of spatial coherence, with superconductivity playing the dominant role in stabilizing CDW topological defects, such as discommensurations.
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Qian WS, Shen L, Wulipan F, Wu M, Ma JX, Chen PP, Xu Y, Xie YH. [Clinical characteristics and prognosis of patients with aggressive NK cell leukemia]. ZHONGHUA XUE YE XUE ZA ZHI = ZHONGHUA XUEYEXUE ZAZHI 2022; 43:424-426. [PMID: 35680601 PMCID: PMC9250961 DOI: 10.3760/cma.j.issn.0253-2727.2022.05.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Shen L, Yang Y, Zhu T, Liu L, Zheng J, Gong X. Efficient and Stable Perovskite Solar Cells by B-Site Compositional Engineered All-Inorganic Perovskites and Interface Passivation. ACS APPLIED MATERIALS & INTERFACES 2022; 14:19469-19479. [PMID: 35465651 DOI: 10.1021/acsami.2c02023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Perovskite solar cells (PSCs) have emerged as a cost-effective solar technology in the past years. PSCs by three-dimensional hybrid inorganic-organic perovskites exhibited decent power conversion efficiencies (PCEs); however, their stabilities were poor. On the other hand, PSCs by all-inorganic perovskites indeed exhibited good stability, but their PCEs were low. Here, the development of novel all-inorganic perovskites CsPbI2Br:xNd3+, where Pb2+ at the B-site is partially heterovalently substituted by Nd3+, is reported. The CsPbI2Br:xNd3+ thin films possess enlarged crystal sizes, enhanced charge carrier mobilities, and superior crystallinity. Thus, the PSCs by the CsPbI2Br:xNd3+ thin films exhibit more than 20% enhanced PCEs and dramatically boosted stability compared to those based on pristine CsPbI2Br thin films. To further boost the device performance of PSCs, solution-processed 4-lithium styrenesulfonic acid/styrene copolymer (LiSPS) is utilized to passivate the surface defect and suppress surface charge carrier recombination. The PSCs based on the CsPbI2Br:xNd3+/LiSPS bilayer thin film possess reduced charge extraction lifetime and suppressed charge carrier recombination, resulting in 14% enhanced PCEs and significantly boosted stability compared to those without incorporation of the LiSPS interface passivation layer. All these results indicate that we developed a facile way to approach high-performance PSCs by all-inorganic perovskites.
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Li XY, Huang K, Xu HG, Shen L, Zhan LP, Wu ZZ, Wu XJ, Huang QW, Huang WQ, Cheng B, Fang JP. [Cord blood transplantation with thiotepa containing myeloablative conditioning in a case of pediatric primary myelofibrosis]. ZHONGHUA ER KE ZA ZHI = CHINESE JOURNAL OF PEDIATRICS 2022; 60:471-473. [PMID: 35488645 DOI: 10.3760/cma.j.cn112140-20210919-00809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
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Shen L, Zhao W, Pauly J, Xing L. PD-0324 A Geometry-Informed Deep Learning Framework for Ultra-Sparse 3D Tomographic Image Reconstruction. Radiother Oncol 2022. [DOI: 10.1016/s0167-8140(22)02817-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Zhu T, Shen L, Zhang D, Zheng J, Gong X. Solution-Processed Ternary Perovskite-Organic Broadband Photodetectors with Ultrahigh Detectivity. ACS APPLIED MATERIALS & INTERFACES 2022; 14:18744-18750. [PMID: 35420415 DOI: 10.1021/acsami.2c00858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Room temperature operated, solution-processed ultrasensitive broadband photodetectors are widely used in various industrial companies in the scientific and medical sectors. Herein, we report solution-processed ultrahigh detectivity broadband photodetectors based on the ternary perovskite-organic composites. To ensure the photodetector based on perovskites has a photoresponse from the ultraviolet-visible to the near-infrared (NIR) region, low optical gap n-type conjugated organic molecules are incorporated with the three-dimensional (3D) perovskites mixed with the two-dimensional (2D) perovskites to form the ternary perovskite-organic composites, which possess an extended spectral response up to the NIR region and superior film characteristics compared to the 2D-3D mixed perovskite composites. Moreover, the photodetectors based on the ternary perovskite-organic composites exhibit enhanced photocurrent and suppressed dark current compared to those based on the 2D/3D mixed perovskite composites. As a result, at room temperature, the photodetectors based on the ternary perovskite-organic composites exhibit a spectral response from 375 to 1000 nm, whereas the photodetectors based on the 2D-3D mixed perovskite composites exhibit a spectral response from 375 to 800 nm. Furthermore, the photodetectors based on the ternary perovskite-organic composites have a photodetectivity over 1015 cm Hz1/2 W-1 (Jones) in the ultraviolet-visible region and over 1013 Jones in the NIR region, a linear dynamic range over 110 dB, and a fast response time. All these results demonstrate that we developed a facile way to realize uncooled solution-processed ultrahigh detectivity broadband photodetectors based on the ternary perovskite-organic composites.
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Moreno V, Lin J, Tan D, Lassen U, Leyvraz S, Liu Y, Patel J, Rosen L, Solomon B, Rudolph M, Norenberg R, Schulz A, Fellous M, Brega N, Shen L, Kummar S, Drilon A. 61P Updated efficacy and ctDNA analysis of patients with TRK fusion lung cancer treated with larotrectinib. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.02.070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Zhu T, Shen L, Xun S, Sarmiento JS, Yang Y, Zheng L, Li H, Wang H, Bredas JL, Gong X. High-Performance Ternary Perovskite-Organic Solar Cells. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2109348. [PMID: 35038370 DOI: 10.1002/adma.202109348] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 01/12/2022] [Indexed: 06/14/2023]
Abstract
Perovskite solar cells in which 2D perovskites are incorporated within a 3D perovskite network exhibit improved stability with respect to purely 3D systems, but lower record power conversion efficiencies (PCEs). Here, a breakthrough is reported in achieving enhanced PCEs, increased stability, and suppressed photocurrent hysteresis by incorporating n-type, low-optical-gap conjugated organic molecules into 2D:3D mixed perovskite composites. The resulting ternary perovskite-organic composites display extended absorption in the near-infrared region, improved film morphology, enlarged crystallinity, balanced charge transport, efficient photoinduced charge transfer, and suppressed counter-ion movement. As a result, the ternary perovskite-organic solar cells exhibit PCEs over 23%, which are among the best PCEs for perovskite solar cells with p-i-n device structure. Moreover, the ternary perovskite-organic solar cells possess dramatically enhanced stability and diminished photocurrent hysteresis. All these results demonstrate that the strategy of exploiting ternary perovskite-organic composite thin films provides a facile way to realize high-performance perovskite solar cells.
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Li J, Cheng Y, Bai C, Xu J, Shen L, Li J, Zhou Z, Li Z, Chi Y, Yu X, Li E, Xu N, Liu T, Lou W, Bai Y, Yuan X, Wang X, Yuan Y, Chen J, Guan S, Fan S, Su W. Treatment-related adverse events as predictive biomarkers of efficacy in patients with advanced neuroendocrine tumors treated with surufatinib: results from two phase III studies. ESMO Open 2022; 7:100453. [PMID: 35344750 PMCID: PMC9058866 DOI: 10.1016/j.esmoop.2022.100453] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 02/15/2022] [Accepted: 02/17/2022] [Indexed: 02/08/2023] Open
Abstract
Background No validated biomarkers currently exist for predicting the efficacy outcomes in patients with neuroendocrine tumors (NETs) treated with antiangiogenic therapy. We aimed to evaluate the association between treatment-related adverse events (TRAEs) and efficacy outcomes of surufatinib in patients with advanced NET. Patients and methods We included patients with NET treated with surufatinib in two multicenter, randomized, double-blind, placebo-controlled, phase III trials (SANET-p and SANET-ep) in this study. The main exposure was the presence of any of the TRAEs including hypertension, proteinuria, and hemorrhage in the first 4 weeks of surufatinib treatment. The primary outcome of the study was investigator-assessed progression-free survival (PFS). PFS outcomes were estimated using the Kaplan–Meier method with the log-rank test. Hazard ratios (HRs) were calculated by using univariable and multivariable Cox proportional hazard regression models. Blinded independent image review committee (BIIRC) assessments and 4-week landmark analysis were also performed as supportive evaluations. Results During the study period, a total of 242 patients treated with surufatinib were included in the analysis, and 164 (68%) patients had at least one of hypertension, proteinuria, and hemorrhage in the first 4 weeks of treatment. The presence of TRAEs in the first 4 weeks was associated with prolonged median PFS [11.1 versus 9.2 months; HR 0.67, 95% confidence interval (CI) 0.47-0.97; P = 0.036]. In multivariable Cox regression analysis, the presence of TRAEs was also significantly associated with longer PFS (HR 0.65, 95% CI 0.44-0.97; P = 0.035). Similar results were obtained in the BIIRC assessments and 4-week landmark analysis. Conclusions Treatment-related hypertension, proteinuria, and hemorrhage could be potential biomarkers to predict antitumor efficacy of surufatinib in patients with advanced NET. Future prospective studies are needed to validate the findings. Trial registration ClinicalTrials.govNCT02589821; https://clinicaltrials.gov/ct2/show/NCT02589821 and ClinicalTrials.gov NCT02588170; https://clinicaltrials.gov/ct2/show/NCT02588170 Treatment-related hypertension, proteinuria, or hemorrhage is associated with longer survival in NETs. The association is confirmed by the BIIRC assessments and 4-week landmark analysis. TRAEs can be biomarkers to predict antitumor efficacy in patients with NET.
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Tao L, Huang YK, Yan KX, Li CH, Shen L, Zhang ZH. A preliminary study of peripheral T-cell subsets in porokeratosis patients with MVK or MVD variants. SKIN HEALTH AND DISEASE 2022; 2:e82. [PMID: 35665211 PMCID: PMC9060116 DOI: 10.1002/ski2.82] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/20/2021] [Accepted: 11/24/2021] [Indexed: 12/15/2022]
Abstract
Background Porokeratosis (PK) is considered a skin‐specific autoinflammatory keratinization disease. Intriguingly, four causative genes of PK are in turn arranged in mevalonate pathway, with MVD variants being the commonest followed by MVK variants in a cohort of Chinese patients. Evidence indicates that mevalonate metabolites induce trained immunity in human monocytes and regulate T cells at multiple levels. Of note, γδT cells are dually regulated by intracellular and extracellular mevalonate metabolism. Aims To identify the possible differences in T‐cell between MVK or MVD variants from PK patients. Materials & Methods Targeted exome sequencing and exonic CNV screening were performed in 26 patients with PK. Sanger sequencing was used to validate all identified variants. Among them, 22 patients were identified with MVK or MVD variants. PBMCs from 22 PK patients and 27 normal controls (NCs) were analysed by flow cytometry for the frequencies of T cells subsets, including IFN‐γ‐, and TNF‐α‐producing T cells. Results There were 14 mutations identified in the 26 PK patients, including 6 novel mutations (MVK: c.118_226+1337dup, c.388_392delGATATinsC, c.613A>T, c.768G>C, and MVD: c.250C>T, c.988T>G). In contrast to NCs, significantly decreased frequencies of CD8+ and Vγ9Vδ2 T cells were observed in the PK patients with MVD variants. Moreover, it was found that dysregulated secretion of pro‐inflammatory cytokines by T cells in both PK patients with MVK and MVD variants. Conclusions Our findings enriched the Human Gene Mutation Databases and showed probable differences in peripheral T cells subsets between PK patients and controls.
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Qiao Y, Gong W, Li B, Xu R, Wang M, Shen L, Shi H, Li Y. Oral Microbiota Changes Contribute to Autism Spectrum Disorder in Mice. J Dent Res 2022; 101:821-831. [PMID: 35114831 DOI: 10.1177/00220345211070470] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The oral microbiota has been implicated in various neurologic conditions, including autism spectrum disorder (ASD), a category of neurodevelopmental disorders defined by core behavioral impairments. Recent data propose the etiopathogenetic role of intestinal microbiota in ASD. The aim of the present study was to elucidate whether the oral microbiota contributes to the pathogenesis of ASD. On the basis of microbial changes detected in the oral cavity of children with ASD, we transferred oral microbiota from donors with ASD and typical development (TD) into an antibiotic-mediated microbiota-depleted mouse model and found that the ASD microbiota is sufficient to induce ASD-like behaviors, such as impaired social behavior. Mice receiving oral microbiota from the ASD donor showed significantly different microbiota structures in their oral cavity and intestinal tract as compared with those receiving TD microbiota and those not receiving any bacterium. The prefrontal cortex of ASD microbiota recipient mice displayed an alternative transcriptional profile with significant upregulation of serotonin-related gene expression, neuroactive ligand-receptor interaction, and TGF-β signaling pathway relative to that in TD microbiota recipient mice. The expression of serotonin-related genes was significantly increased in ASD microbiota recipient mice and was associated with selective autistic behaviors and changes in abundance of specific oral microbiota, including species of Bacteroidetes [G-7], Porphyromonas, and Tannerella. Machine learning based on the causal inference method confirmed a contributing role of Porphyromonas sp. HMT 930 in ASD. Taken together, the oral microbiota of children with ASD can lead to ASD-like behaviors, differences in microbial community structures, and altered neurosignaling activities in recipient mice; this highlights the mouth-microbial-brain connections in the development of neuropathology and provides a novel strategy to fully understand the etiologic mechanism of ASD.
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Gong Z, Da W, Tian Y, Zhao R, Qiu S, Wu Q, Wen K, Shen L, Zhou R, Tao L, Zhu Y. Exogenous melatonin prevents type 1 diabetes mellitus-induced bone loss, probably by inhibiting senescence. Osteoporos Int 2022; 33:453-466. [PMID: 34519833 PMCID: PMC8813725 DOI: 10.1007/s00198-021-06061-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 06/30/2021] [Indexed: 12/31/2022]
Abstract
UNLABELLED Exogenous melatonin inhibited the senescence of preosteoblast cells in type 1 diabetic (T1D) mice and those cultured in high glucose (HG) by multiple regulations. Exogenous melatonin had a protective effect on diabetic osteoporosis, which may depend on the inhibition of senescence. INTRODUCTION Senescence is thought to play an important role in the pathophysiological mechanisms underlying diabetic bone loss. Increasing evidence has shown that melatonin exerts anti-senescence effects. In this study, we investigated whether melatonin can inhibit senescence and prevent diabetic bone loss. METHODS C57BL/6 mice received a single intraperitoneal injection of 160 mg/kg streptozotocin, followed by the oral administration of melatonin or vehicle for 2 months. Then, tissues were harvested and subsequently examined. MC3T3-E1 cells were cultured under HG conditions for 7 days and then treated with melatonin or not for 24 h. Sirt1-specific siRNAs and MT1- or MT2-specific shRNA plasmids were transfected into MC3T3-E1 cells for mechanistic study. RESULTS The total protein extracted from mouse femurs revealed that melatonin prevented senescence in T1D mice. The micro-CT results indicated that melatonin prevented bone loss in T1D mice. Cellular experiments indicated that melatonin administration prevented HG-induced senescence, whereas knockdown of the melatonin receptors MT1 or MT2 abolished these effects. Sirt1 expression was upregulated by melatonin administration but significantly reduced after MT1 or MT2 was knocked down. Knockdown of Sirt1 blocked the anti-senescence effects of melatonin. Additionally, melatonin promoted the expression of CDK2, CDK4, and CyclinD1, while knockdown of MT1 or MT2 abolished these effects. Furthermore, melatonin increased the expression of the polycomb repressive complex (PRC), but knockdown of MT1 or MT2 abolished these effects. Furthermore, melatonin increased the protein levels of Sirt1, PRC1/2 complex-, and cell cycle-related proteins. CONCLUSION This work shows that melatonin protects against T1D-induced bone loss, probably by inhibiting senescence. Targeting senescence in the investigation of diabetic osteoporosis may lead to novel discoveries.
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Catenacci DVT, Chung HC, Shen L, Moehler M, Yoon HH, Rosales MK, Kang YK. Safety and efficacy of HER2 blockade by trastuzumab-based chemotherapy-containing combination strategies in HER2+ gastroesophageal adenocarcinoma. ESMO Open 2022; 7:100360. [PMID: 34973512 PMCID: PMC8728435 DOI: 10.1016/j.esmoop.2021.100360] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/24/2021] [Accepted: 11/25/2021] [Indexed: 01/14/2023] Open
Abstract
Since completion of the Trastuzumab for Gastric Cancer study, trastuzumab with doublet chemotherapy (a fluoropyrimidine and a platinum) has been the gold-standard first-line therapy for patients with locally advanced unresectable or metastatic human epidermal growth factor receptor 2-positive (HER2+) gastroesophageal adenocarcinoma (GEA). The safety and efficacy of 23 studies of first-line trastuzumab plus doublet chemotherapy, without checkpoint inhibitors (n = 19) or with checkpoint inhibitors (n = 4), conducted in patients with locally advanced unresectable or metastatic HER2+ GEA, including phase II/III, prospective, and retrospective observational studies, were summarized. In studies without checkpoint inhibitors, the median duration of trastuzumab treatment ranged from 19.5 to 39.0 weeks and from 15.3 to 30.0 weeks for chemotherapy. In studies with checkpoint inhibitors, the median duration of pembrolizumab/trastuzumab/chemotherapy was 30 weeks, and 18 weeks for chemotherapy. In studies without checkpoint inhibitors, treatment-emergent adverse events (TEAEs) of grade ≥3 ranged from 32% to 84%. Serious adverse events (SAEs) ranged from 15% to 39%. Adverse events resulting in discontinuation ranged from 0% to 30%. Treatment-related deaths occurred in 0%-9% of patients. In studies with checkpoint inhibitors, TEAEs of grade ≥3 were 57%. SAEs ranged from 31% to 38%. Adverse events resulting in discontinuation ranged from 5% to 24%. Treatment-related deaths occurred in 0%-3% of patients. In studies without checkpoint inhibitors, objective response rate (ORR) ranged from 39% to 82%, median progression-free survival (PFS) from 5.7 to 11.6 months, and median overall survival (OS) from 11.2 to 27.6 months. In studies with checkpoint inhibitors, ORR ranged from 39% to 86%, median PFS from 8.0 to 13.0 months, and median OS from 19.3 to 27.3 months. This review provides a historical benchmark on safety and efficacy of available first-line chemotherapy-based standard of care for patients with locally advanced unresectable or metastatic HER2+ GEA.
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Shen L, Zhao W, Capaldi D, Pauly J, Xing L. Enabling Few-View 3D Tomographic Image Reconstruction by Geometry-Informed Deep Learning. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Shen L, Yu L, Zhao W, Pauly J, Xing L. Novel-View X-Ray Projection Synthesis Through Geometry-Integrated Deep Learning. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.534] [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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Zhang PP, Lu M, Shen L. [Advances in immunotherapy for neuroendocrine neoplasms]. ZHONGHUA WEI CHANG WAI KE ZA ZHI = CHINESE JOURNAL OF GASTROINTESTINAL SURGERY 2021; 24:861-866. [PMID: 34674460 DOI: 10.3760/cma.j.cn.441530-20210627-00247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Neuroendocrine neoplasms (NEN) is a rare and heterogeneous tumor. Different pathologic morphology, differentiation, grade and clinical stages of the tumors had various treatment and prognosis. Patients with recurrent or metastatic NEN have limited treatment options and poor prognosis. In recent years, PD-1 pathway blockade has become integral components of disease management for many cancers. Immunotherapy is being explored in NEN. Studies have shown that the efficacy of immune monotherapy in NEN is limited, and it can be considered for selected patients. Biomarkers for predicting efficacy of immunotherapy include PD-L1 expression, TMB-H, MSI-H/dMMR, etc. Combined regimens of anti-CTLA-4 and anti-PD-1/PD-L1 inhibitors, and immune checkpoint inhibitor combined with anti-angiogenic drugs or chemotherapy are promising in patients with NEN, and it is worthwhile to further explore of the responding populations.
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Chen R, Shen L, Zheng L, Zhu T, Liu Y, Liu L, Zheng J, Gong X. Two-/Three-Dimensional Perovskite Bilayer Thin Films Post-Treated with Solvent Vapor for High-Performance Perovskite Photovoltaics. ACS APPLIED MATERIALS & INTERFACES 2021; 13:49104-49113. [PMID: 34613704 DOI: 10.1021/acsami.1c15735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Perovskite photovoltaics (PPVs) using three-dimensional (3D) perovskites incorporated with two-dimensional (2D) perovskites have drawn great concentration in both academic and industrial sectors. Here, we report high performance of PPVs based on the 2D/3D perovskite bilayer thin film post-annealed with solvent vapor. The 2D/3D perovskite bilayer thin film post-annealed with solvent vapor possesses enlarged crystal size and crystallinity and blue-shifted photoluminescence compared to a 3D MAPbI3 thin film. Moreover, compared to the PPVs based on a 3D perovskite thin film, enlarged built-in potential, suppressed charge carrier recombination, boosted charge transport, and reduced charge carrier extraction time are observed from the PPVs based on the 2D/3D perovskite bilayer thin film post-annealed with solvent vapor. As a result, perovskite solar cells exhibit a power conversion efficiency of 22.13% and dramatically enhanced stability, and perovskite photodetectors show a photoresponsivity of 1.38 AW-1, detectivity of 6.52 × 1014 cm Hz1/2 W-1, and linear dynamic range of over 167 dB at room temperature. These results demonstrate that we develop a simple method to approach high-performance PPVs by the 2D/3D perovskite bilayer thin film.
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Shen L, Tian XJ, Liang RZ, Cheng Y, Kong XL, He F, Zhang C, Wang GA, Li SH, Lu HD, Sun SQ. [Clinical and imaging features of Chlamydia psittaci pneumonia: an analysis of 48 cases in China]. ZHONGHUA JIE HE HE HU XI ZA ZHI = ZHONGHUA JIEHE HE HUXI ZAZHI = CHINESE JOURNAL OF TUBERCULOSIS AND RESPIRATORY DISEASES 2021; 44:886-891. [PMID: 34565115 DOI: 10.3760/cma.j.cn112147-20210127-00082] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the clinical characteristics, imaging findings, laboratory tests and treatment strategies for Chlamydia psittaci pneumonia. Methods: From January 1, 2019 to January 20, 2021, 48 cases of Psittacosis from 11 hospitals in China were diagnosed via metagenomic next-generation sequencing(mNGS). The data of all patients on occupational history, clinical manifestations, laboratory tests, chest computed tomography(CT)findings, treatment outcomes and prognosis were retrospectively analyzed. Results: Among the 48 patients, there were 29 males and 19 females, with a mean age of (57.1±10.3) years. Thirty patients had a confirmed history of exposure to poultry. The onset to admission interval was (6.5±3.2) days, and hospital stay was (12.4±4.8) days. Clinical manifestations included fever (100%, 48/48), relative bradycardia (71%, 34/48), cough (54.2%, 26/48), sputum (27.1%, 13/48), fatigue (16.7%, 8/48), headache and delirium (20.8%, 9/48), and gastrointestinal symptoms (16.7%, 8/48). Laboratory data showed that white blood cells were (8.0±3.8)×109/L, and the proportion of neutrophils increased in 44 patients. The level of C-reactive protein was (155.3±74.1)mg/L, and that of procalcitonin (PCT)in 59.5% of patients was more than 0.5 μg/L. Percentages of patients with increased lactate dehydrogenase and creatine kinase were 82.9% and 45.2%, respectively. Chest CT scans showed unilateral lung involvement in 34 cases(70.8%) and single lobe involvement in 27 cases(56.3%).The most common imaging change was consolidation, with 38 cases (79.2%) showing lobar consolidation. In terms of treatment, 25 patients were treated with fluoroquinolones alone, 6 patients with doxycycline alone, and 13 patients with combined treatment. The combined-treatment group and the doxycycline alone group were similar in the course of defervescence. The combined treatment group and the doxycycline alone group were both superior to the fluoroquinolones alone group. However, 11 patients were admitted to ICU, all of them received artificial ventilation, and 5 cases developed shock, and one died. Conclusions: Chlamydia psittaci pneumonia is an animal-derived infectious disease with unique features in clinical symptoms, laboratory tests and chest imaging. Appropriate treatment is able to significantly shorten the course of disease and improve the prognosis.
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Drilon A, Lin J, Lassen U, Leyvraz S, Liu Y, Patel J, Rosen L, Solomon B, Norenberg R, Dima L, Brega N, Shen L, Moreno V, Kummar S, Tan D. P53.02 Efficacy and Safety of Larotrectinib in Patients With Tropomyosin Receptor Kinase (TRK) Fusion-Positive Lung Cancer. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.551] [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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Shen L, Martinez-Portilla RJ, Rolnik DL, Poon LC. ASPRE trial: risk factors for development of preterm pre-eclampsia despite aspirin prophylaxis. ULTRASOUND IN OBSTETRICS & GYNECOLOGY : THE OFFICIAL JOURNAL OF THE INTERNATIONAL SOCIETY OF ULTRASOUND IN OBSTETRICS AND GYNECOLOGY 2021; 58:546-552. [PMID: 33998099 DOI: 10.1002/uog.23668] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 04/25/2021] [Accepted: 04/28/2021] [Indexed: 06/12/2023]
Abstract
OBJECTIVE To examine the possible risk factors amongst maternal characteristics, medical and obstetric history, pre-eclampsia (PE)-specific biomarkers and estimated-risk group, according to The Fetal Medicine Foundation (FMF) algorithm, that are associated with the development of preterm PE with delivery at < 37 weeks' gestation despite aspirin prophylaxis. METHODS This was a secondary analysis of data from the ASPRE trial. The study population consisted of women with singleton pregnancy who were deemed to be at high risk for preterm PE, based on the FMF algorithm that combines maternal factors, mean arterial pressure, uterine artery pulsatility index, serum pregnancy-associated plasma protein-A and placental growth factor (PlGF) at 11-13 weeks' gestation. High-risk women were randomized to receive aspirin (150 mg/day) vs placebo from 11-14 until 36 weeks' gestation. The primary outcome was PE with delivery at < 37 weeks' gestation (preterm PE). Multivariate logistic regression analysis was performed to identify independent predictors of preterm PE after adjusting for the use of aspirin and other covariates. RESULTS Among 1592 high-risk women, the incidence of preterm PE was 3.0% (n = 48). The interaction between aspirin usage and history of chronic hypertension was significant in the prediction of preterm PE (P = 0.042), which indicated that there was no treatment effect in high-risk women who had chronic hypertension compared with those who did not. Adjusting for aspirin use, the interaction between aspirin and chronic hypertension and other covariates, independent predictors for the development of preterm PE were PlGF multiples of the median (MoM) (adjusted odds ratio (aOR), 0.226 (95% CI, 0.070-0.723)) and estimated-risk group based on the FMF algorithm. Compared to women with an estimated risk of 1 in 51 to 1 in 100, those with an estimated risk of 1 in 2 to 1 in 10 had a 7-fold higher risk of developing preterm PE (aOR, 6.706 (95% CI, 2.381-18.883)), and those with an estimated risk of 1 in 11 to 1 in 50 had a 3-fold higher risk of preterm PE (aOR, 2.769 (95% CI, 1.105-6.939)). PlGF MoM was an independent predictor for preterm PE among women with an estimated risk of 1 in 2 to 1 in 10 (aOR, 0.055 (95% CI, 0.005-0.668)). Among women with an estimated risk of 1 in 11 to 1 in 100, the use of aspirin was an independent predictor of preterm PE (aOR, 0.276 (95% CI, 0.111-0.689)). The cut-off for PlGF with the best performance for the prediction of preterm PE was 0.712 MoM, with an aOR of 3.677 (95% CI, 1.526-8.862). CONCLUSION In pregnancies at high risk of preterm PE identified by screening at 11-13 weeks' gestation using the FMF algorithm, a very high-risk result (estimated risk ≥ 1 in 50), compared to an estimated risk of 1 in 51 to 1 in 100, chronic hypertension, compared to no chronic hypertension, and low PlGF concentration (< 0.712 MoM), compared to PlGF ≥ 0.712 MoM, were associated with the development of preterm PE despite aspirin prophylaxis. © 2021 International Society of Ultrasound in Obstetrics and Gynecology.
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Yi C, Shen L, Zheng J, Gong X. A negative piezo-conductive effect from doped semiconducting polymer thin films. Sci Rep 2021; 11:18222. [PMID: 34521937 PMCID: PMC8440650 DOI: 10.1038/s41598-021-97812-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 07/30/2021] [Indexed: 11/09/2022] Open
Abstract
In the past years, piezo-conductive sensors have drawn great attention in both academic and industrial sectors. The piezo-conductive sensors made by inorganic semiconductors exhibited poor mechanical flexibility, restricting their further practical applications. In this study, we report the piezo-conductive sensors by a semiconducting polymer, poly(3,4-ethylenedioxythiophene) doped with tosylate ions (PEDOT:Tos) thin films. Systemically studies indicate that the piezo-conductive response of the PEDOT:Tos thin films is originated from the deformation of the PEDOT crystal cells and the stretched π-π distances induced by Tos. Moreover, the negative piezo-conductive effect, for the first time, is observed from PEDOT:Tos thin film under the pressure. A working mechanism is further proposed to interpret the transient from a positive to a negative piezo-conductive response within the PEDOT:Tos thin films. Our studies offer a facile route to approach effective piezo-conductive sensors based on conjugated polymers.
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Liu D, Luo S, Li M, Liu T, Ge M, Wang Y, Jiang H, Liu Y, Xiang X, Zhang X, Wang L, Liu P, Shen L. 1375P SHR-1701, a novel bifunctional anti-PD-L1/TGF-βRII agent, for pretreated recurrent/refractory (r/r) gastric cancer (GC): Data from a first-in-human phase I study. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1484] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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90
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Xu RH, Wang F, Cui C, Yao J, Zhang Y, Wang G, Feng J, Yang S, Fan Y, Shi J, Zhang X, Shen L, Shu Y, Wang C, Dai T, Mao T, Chen L, Guo Z, Liu B, Pan H. 1373MO JUPITER-06: A randomized, double-blind, phase III study of toripalimab versus placebo in combination with first-line chemotherapy for treatment naive advanced or metastatic esophageal squamous cell carcinoma (ESCC). Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1482] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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91
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Qi C, Qin Y, Liu D, Gong J, Ge S, Zhang M, Peng Z, Zhou J, Zhang X, Peng X, Wang H, He C, Xiao J, Li Z, Shen L. 1372O CLDN 18.2-targeted CAR-T cell therapy in patients with cancers of the digestive system. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1481] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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92
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Wang Y, Fan X, Xu Y, Bao H, Xia F, Wan J, Shen L, Wu X, Shao Y, Li X, Xu Y, Cai S, Zhang Z. 451P Utility of circulating free DNA 5’-end motif profile in the prediction of pathological response after neoadjuvant chemoradiotherapy in patients with locally advanced rectal cancer. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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93
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Shao C, Shen L, Qiu C, Wang Y, Qian Y, Chen J, Ouyang Z, Zhang P, Guan X, Xie J, Liu G, Peng C. Characterizing the impact of high temperature during grain filling on phytohormone levels, enzyme activity and metabolic profiles of an early indica rice variety. PLANT BIOLOGY (STUTTGART, GERMANY) 2021; 23:806-818. [PMID: 33721388 DOI: 10.1111/plb.13253] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 03/05/2021] [Indexed: 06/12/2023]
Abstract
Global warming results in high temperature stress (HTS), which presents severe challenges worldwide for modern agricultural production and will have significant impacts on the yield and quality of crops. Accumulation of photosynthetic products, activity of enzymes involved in sucrose-starch metabolism, phytohormone levels and metabolic profiling using LC-MS were analysed in the flag leaves and/or developing grains subjected to HTS during the grain-filling stage of an indica rice. HTS induced significant yield loss and reduced the grain quality, with lower amylose content. HTS reduced photosynthetic product accumulation in flag leaves and reduced starch accumulation in developing grains, compared to growth under normal temperatures. The activity of enzymes related to sucrose-starch metabolism were dis-regulated in developing grains grown under high temperature (HT). Moreover, phytohormone homeostasis in flag leaves and developing grains was also dramatically disturbed by HT. Metabolic profiling detected many metabolites with remarkably different relative fold abundances at different time points in the developing grain at HT versus normal temperatures, these metabolites were enriched in several HTS response pathways. The change in phytohormone ratio and auxin level might be associated with the reduction in photosynthetic products and their translocation, and ultimately with reduced starch accumulation in the developing grain. The detected metabolites might have different roles in response to the HTS in developing grain at different development stages. These results provide a theoretical reference and basis for future rice production towards higher quality and yield when grown under HTS.
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94
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Janjigian Y, Ajani J, Moehler M, Garrido M, Gallardo C, Shen L, Yamaguchi K, Wyrwicz L, Skoczylas T, Bragagnoli A, Liu T, Tehfe M, Elimova E, Li M, Poulart V, Lei M, Kondo K, Shitara K. LBA7 Nivolumab (NIVO) plus chemotherapy (Chemo) or ipilimumab (IPI) vs chemo as first-line (1L) treatment for advanced gastric cancer/gastroesophageal junction cancer/esophageal adenocarcinoma (GC/GEJC/EAC): CheckMate 649 study. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.2131] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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95
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Shen L, Lu ZH, Wang JY, Shu YQ, Kong L, Yang L, Wang BH, Wang ZW, Ji YH, Cao GC, Liu H, Cui TJ, Li N, Qiu WS, Ma Z, Chen YL, Li HY, Sun X, Wang Y, Zhou H. LBA52 Sintilimab plus chemotherapy versus chemotherapy as first-line therapy in patients with advanced or metastatic esophageal squamous cell cancer: First results of the phase III ORIENT-15 study. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.2132] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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96
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Gong J, Shen L, Luo S, Dong Z, Liu D, An S, Xu J, Yang J, Qi Y, Men J, Kong L, Yang Y, Xu T. 1377P Preliminary efficacy and safety results of KN026 (a HER2-targeted bispecific antibody) in combination with KN046 (an anti-PD-L1/CTLA-4 bispecific antibody) in patients (pts) with HER2-positive gastrointestinal tumors. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1486] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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97
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Chen X, Hu C, Wang W, Zou Q, Li J, Lin Q, Zhu X, Jiang Y, Sun Y, Shen L, Wang L, Zou G, Lin X, Wang Y, Lin S, Li M, Ao R, Xu R, Lin H, Wang R. 909P A phase II study of the anti-programmed cell death-1 (PD-1) antibody penpulimab in patients with metastatic nasopharyngeal carcinoma (NPC) who had progressed after two or more lines of chemotherapy: Updated results. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1319] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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98
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Yang Y, Zhang D, Liu Y, Shen L, Zhu T, Xu X, Zheng J, Gong X. Solid-State Double-Network Hydrogel Redox Electrolytes for High-Performance Flexible Supercapacitors. ACS APPLIED MATERIALS & INTERFACES 2021; 13:34168-34177. [PMID: 34260215 DOI: 10.1021/acsami.1c06980] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Flexible supercapacitors have great potential applications in wearable and portable electronics, but their practical applications were limited due to the low energy density and mechanical flexibility of solid-state electrolytes used for the construction of flexible supercapacitors. In this study, we first report the solid-state double-network (DN) hydrogel electrolytes (HEs) incorporated with Na2MoO4 redox additives. It is found that the solid-state DN HEs with Na2MoO4 redox additives exhibit high electrochemical performance, excellent mechanical properties, and fast self-recovery features. We then demonstrate novel symmetric supercapacitors (SSCs) incorporated with the solid-state Na2MoO4 DN HEs and the active carbon cloths as the electrodes. The SSCs exhibit a specific capacitance of 84 mF/cm2 at a current density of 1 mA/cm2 and an energy density of 70 μWh/cm2 at a power density of 3800 μWh/cm2. Moreover, the SSCs retain approximately 80% capacitance retention after 7000 charge/discharge cycles, which indicates that the SSCs possess excellent flexibility and stability. All of these results demonstrate that the SSCs incorporated with the solid-state Na2MoO4 DN HEs as energy-storage devices have great practical applications in wearable and portable electronics.
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99
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Shen L, Qian B, Xiao J, Zhu Y, Hussain S, Deng J, Peng G, Zuo Z, Zou L, Yu S, Ma X, Zhong Z, Ren Z, Wang Y, Liu H, Zhou Z, Cai D, Hu Y, Zong X, Cao S. Characterization of serum adiponectin and leptin in healthy perinatal dairy cows or cows with ketosis, and their effectson ketosis involved indices. Pol J Vet Sci 2021; 23:373-381. [PMID: 33006850 DOI: 10.24425/pjvs.2020.134681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
We investigated changes in concentrations of ADP (adiponectin), LEP (leptin), BHBA (beta-hydroxybutyric acid), NEFA (non-esterified fatty acid), Glucose (Glu) and INS (insulin) in serum of healthy perinatal dairy cows and cows with ketosis. Twenty-one healthy cows and seventeen cows with ketosis from a herd of a total 60 Holstein cows (near dry period i.e. 56 days antepartum) were selected. Blood was collected through the tail vein every 7 days, from 56 day antepartum to 56 day postpartum. Serum ADP, LEP, BHBA, NEFA, Glu, and INS concentrations were determined, and ketosis was diagnosed through serum BHBA (≥1.2 mmol/L). We showed the concentration of serum adipokines and energy balancing indices were stable during antepar- tum period. However, ADP concentration increased while LEP decreased, and there were a significant increase in cows with ketosis compared to that of in healthy cows. Serum BHBA and NEFA concentrations increased significantly at first, and then gradually decreased in both healthy cows and cows with ketosis. However, cows with ketosis showed higher concentrations of BHBA and NEFA which restored later. The serum concentration of Glu in both healthy dairy cows and cows with ketosis showed a decreasing trend. INS concentration in healthy cows was decreased while it was increased in cows with ketosis. The results reflect the extent of hypo- glycemia and lipid mobilization postpartum, suggest IR exists in cows with ketosis while serum ADP and LEP might play roles in the development of ketosis.
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100
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Shen L, Wu T, Chen P, Qin S, Ji J, Wu Y, Chen Y, Chen Y, Wang J, Wu Y. P-144 A comparative analysis of secondary data from the ToGA and EVIDENCE studies on the effectiveness of trastuzumab plus chemotherapy in Asian patients with HER2+ metastatic gastric cancer. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.05.199] [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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