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Song Y, Zhou F, Du F, Wang Z, Bai L, Yao Y, Liu L, Ma X, Chen S, Wu D, He X. Combined emapalumab and ruxolitinib in patients with haemophagocytic Lymphohistiocytosis. Blood Cancer J 2024; 14:70. [PMID: 38658542 DOI: 10.1038/s41408-024-01056-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 04/11/2024] [Accepted: 04/15/2024] [Indexed: 04/26/2024] Open
Affiliation(s)
- Yue Song
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, 215031, China
| | - Fei Zhou
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, 215031, China
| | - Feng Du
- Department of hematology, Soochow Hopes Hematonosis Hospital, Suzhou, 215128, Jiangsu, China
| | - Ziyan Wang
- Department of hematology, Soochow Hopes Hematonosis Hospital, Suzhou, 215128, Jiangsu, China
| | - Liyun Bai
- Department of hematology, Soochow Hopes Hematonosis Hospital, Suzhou, 215128, Jiangsu, China
| | - Yifang Yao
- Department of hematology, Soochow Hopes Hematonosis Hospital, Suzhou, 215128, Jiangsu, China
| | - Limin Liu
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, 215031, China
| | - Xiao Ma
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, 215031, China
| | - Suning Chen
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, 215031, China
| | - Depei Wu
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China.
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, 215031, China.
| | - Xuefeng He
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, 215006, China.
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, 215031, China.
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Zhang N, Dong L, Ning T, Du F, Zhao M, Xu J, Xie S, Liu S, Sun X, Li P, Zhang S, Zhu S. RIOK3 sustains colorectal cancer cell survival under glucose deprivation via an HSP90α-dependent pathway. Oncogenesis 2024; 13:12. [PMID: 38453884 PMCID: PMC10920805 DOI: 10.1038/s41389-024-00514-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 02/29/2024] [Accepted: 03/01/2024] [Indexed: 03/09/2024] Open
Abstract
Glucose oxidation via the pentose phosphate pathway serves as the primary cellular mechanism for generating nicotinamide adenine dinucleotide phosphate (NADPH). The central regions of solid tumors typically experience glucose deficiency, emphasizing the need for sustained NADPH production crucial to tumor cell survival. This study highlights the crucial role of RIOK3 in maintaining NADPH production and colorectal cancer (CRC) cell survival during glucose deficiency. Our findings revealed upregulated RIOK3 expression upon glucose deprivation, with RIOK3 knockout significantly reducing cancer cell survival. Mechanistically, RIOK3 interacts with heat shock protein 90α (HSP90α), a chaperone integral to various cellular processes, thereby facilitating HSP90α binding to isocitrate dehydrogenase 1 (IDH1). This interaction further upregulates IDH1 expression, enhancing NADPH production and preserving redox balance. Furthermore, RIOK3 inhibition had no discernible effect on intracellular NADPH levels and cell death rates in HSP90α-knockdown cells. Collectively, our findings suggest that RIOK3 sustains colon cancer cell survival in low-glucose environments through an HSP90α-dependent pathway. This highlights the significance of the RIOK3-HSP90α-IDH1 cascade, providing insights into potential targeted therapeutic strategies for CRC in metabolic stress conditions.
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Affiliation(s)
- Nan Zhang
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing, China
| | - Lu Dong
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing, China
- Affiliated Hospital of Weifang Medical University, School of Clinical Medicine, Weifang Medical University, Weifang, China
| | - Tingting Ning
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing, China
| | - Feng Du
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing, China
| | - Mengran Zhao
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing, China
| | - Junxuan Xu
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing, China
| | - Sian Xie
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing, China
| | - Si Liu
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing, China
| | - Xiujing Sun
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing, China
| | - Peng Li
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing, China
| | - Shutian Zhang
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing, China
| | - Shengtao Zhu
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, Beijing, China.
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3
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Zhao M, Qiao C, Yang S, Tang Y, Sun W, Sun S, Guo Q, Du F, Zhang N, Ning T, Wu J, Xu J, Li P. Hinokitiol protects gastric injury from ethanol exposure via its iron sequestration capacity. Eur J Pharmacol 2024; 966:176340. [PMID: 38244759 DOI: 10.1016/j.ejphar.2024.176340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 01/17/2024] [Accepted: 01/17/2024] [Indexed: 01/22/2024]
Abstract
Hinokitiol is a natural bioactive tropolone derivative isolated from Chamaecyparis obtusa and Thuja plicata, which exhibits promising potential in terms of antioxidant and anti-inflammatory properties and possesses potent iron-binding capacity. In this study, we aimed to investigate the potential role of hinokitiol in protecting against ethanol-induced gastric injury and elucidate the underlying mechanism. Our results demonstrated that hinokitiol effectively attenuated hemorrhagic gastric lesions, epithelial cell loss, and inflammatory response in mice with ethanol-induced gastric injury. Intriguingly, we found that ethanol exposure affects iron levels both in vivo and in vitro. Moreover, the disturbed iron homeostasis was involved in the development of ethanol-induced injury. Iron depletion was found to enhance defense against ethanol-induced damage, while iron repletion showed the opposite effect. To further explore the role of iron sequestration in the protective effects of hinokitiol, we synthesized methylhinokitiol, a compound that shields the iron binding capacity of hinokitiol with a methyl group. Interestingly, this compound significantly diminishes the protective effect against ethanol-induced injury. These findings collectively demonstrated that hinokitiol could potentially be used to prevent or improve gastric injury induced by ethanol through regulating cellular iron homeostasis.
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Affiliation(s)
- Mengran Zhao
- State Key Laboratory of Digestive Health, Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing, 100050, China
| | - Chen Qiao
- State Key Laboratory of Digestive Health, Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing, 100050, China
| | - Shuyue Yang
- State Key Laboratory of Digestive Health, Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing, 100050, China
| | - Yefeng Tang
- School of Pharmaceutical Sciences, MOE Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology, Tsinghua University, Beijing, 100084, China
| | - Wenjing Sun
- State Key Laboratory of Digestive Health, Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing, 100050, China
| | - Shanshan Sun
- National Institute of Food and Drug Control (NIFDC), Beijing, 100050, China
| | - Qingdong Guo
- State Key Laboratory of Digestive Health, Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing, 100050, China
| | - Feng Du
- State Key Laboratory of Digestive Health, Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing, 100050, China
| | - Nan Zhang
- State Key Laboratory of Digestive Health, Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing, 100050, China
| | - TingTing Ning
- State Key Laboratory of Digestive Health, Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing, 100050, China
| | - Jing Wu
- State Key Laboratory of Digestive Health, Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing, 100050, China
| | - Junxuan Xu
- State Key Laboratory of Digestive Health, Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing, 100050, China.
| | - Peng Li
- State Key Laboratory of Digestive Health, Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, Beijing, 100050, China.
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4
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Liu Y, Ma S, Li J, Song X, Du F, Zheng M. Factors influencing passage of time judgment in individuals' daily lives: evidence from the experience sampling and diary methods. Psychol Res 2024; 88:466-475. [PMID: 37466675 DOI: 10.1007/s00426-023-01859-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 07/10/2023] [Indexed: 07/20/2023]
Abstract
People often express feeling that time passes quickly or slowly in their daily lives, which is termed passage of time judgment (PoTJ). Past studies have shown that PoTJ is affected by emotional valence and arousal; however, few studies have verified the effects of alertness, attention to time, and time expectation on PoTJ and whether the effects are stable over different time periods. Using the experience sampling method (ESM) and diary method, the present study collected data from 105 participants and examined for the first time whether alertness, attention to time, and time expectation affect PoTJ based on daily life data, as well as whether above factors, emotional valence, and arousal are stable over different time periods. All participants answered a questionnaire five times a day on their in-the-day PoTJ and related factors regarding the last 30 min, and answered the same questionnaire once a day at 23:00 regarding the of-the-day PoTJ. The results showed that alertness and time expectation, as well as emotional valence and arousal, predicted an individual's in-the-day PoTJ over a shorter period (i.e., the last 30 min); in contrast, only time expectation and emotional arousal predicted of-the-day PoTJ over a longer period (i.e., the past day). These results suggest that, alertness and time expectation are important factors influencing PoTJ, in addition to emotional state. Of-the-day PoTJ correlates most strongly with the mean and latest in-the-day PoTJ, implying that overall perception of time passage is influenced by both cumulative temporal experience and recent temporal experience.
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Affiliation(s)
- Yanci Liu
- Department of Psychology, Tsinghua University, Beijing, 100084, China
| | - Siyu Ma
- Department of Psychology, Tsinghua University, Beijing, 100084, China
| | - Jiayu Li
- Department of Computer Science and Technology, Tsinghua University, Beijing, 100084, China
| | - Xi Song
- Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- Psychology Department, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Feng Du
- Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China.
- Psychology Department, University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Meihong Zheng
- Department of Psychology, Tsinghua University, Beijing, 100084, China.
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5
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Song Y, Zhou F, Li X, Du F, Wang Z, Bai L, Yao Y, Liu L, Ma X, Chen S, Wu D, He X. Myelodysplastic syndrome associated-haemophagocytic lymphohistiocytosis: A retrospective study of 15 cases in a single centre. Br J Haematol 2024; 204:1096-1099. [PMID: 38036428 DOI: 10.1111/bjh.19232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 11/14/2023] [Accepted: 11/15/2023] [Indexed: 12/02/2023]
Affiliation(s)
- Yue Song
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Fei Zhou
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Xiaoli Li
- Department of Hematology, Soochow Hopes Hematonosis Hospital, Suzhou, Jiangsu, China
| | - Feng Du
- Department of Hematology, Soochow Hopes Hematonosis Hospital, Suzhou, Jiangsu, China
| | - Ziyan Wang
- Department of Hematology, Soochow Hopes Hematonosis Hospital, Suzhou, Jiangsu, China
| | - Liyun Bai
- Department of Hematology, Soochow Hopes Hematonosis Hospital, Suzhou, Jiangsu, China
| | - Yifang Yao
- Department of Hematology, Soochow Hopes Hematonosis Hospital, Suzhou, Jiangsu, China
| | - Limin Liu
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Xiao Ma
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Suning Chen
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Depei Wu
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Xuefeng He
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
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Ding S, Yuan Y, Dong J, Du F, Cui X, Shi Z, Tang Z. Leveraging CRISPR/Cas12 signal amplifier to sensitive detection of apurinic/apyrimidinic endonuclease 1 and high-throughput inhibitor screening. Anal Chim Acta 2024; 1291:342212. [PMID: 38280781 DOI: 10.1016/j.aca.2024.342212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 01/01/2024] [Accepted: 01/02/2024] [Indexed: 01/29/2024]
Abstract
As an essential protein in DNA repair, apurinic/apyrimidinic endonuclease 1 (APE1) plays multiple critical functions in maintaining homeostasis, making it a significant biomarker and therapeutic target for many disorders. Here, we describe a simple method to detect APE1 based on the Releasing-Extension-Signal amplification Test (REST) strategy that leverages the dsDNA as the activator to fully unlock the trans-cleavage activity of CRISPR/Cas12a. This assay provides a rapid and specific APE1 detection with a detection limit down to 1.05 × 10-5 U/mL. We also combined this method with an automated pipetting platform and a microplate reader for high-throughput screening of potential inhibitors of APE1. Besides, by changing the modification on the probe, the REST strategy was easily repurposed to detect various DNA glycosylases. Taken together, the simplicity and robustness of the method offer a new choice for APE1 detection and inhibitor screening, showing great potential in practical use. Furthermore, the REST strategy devised in this study provides a new example of applying CRISPR/Cas12a signal amplifier to non-nucleic acid biosensing and inhibitor screening, which broadens the CRISPR-Dx toolbox.
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Affiliation(s)
- Sheng Ding
- Clinical Medical College & Affiliated Hospital, Chengdu University, Chengdu, 610041, PR China
| | - Yi Yuan
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Science, Chengdu, 610041, PR China
| | - Juan Dong
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Science, Chengdu, 610041, PR China
| | - Feng Du
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Science, Chengdu, 610041, PR China.
| | - Xin Cui
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Science, Chengdu, 610041, PR China
| | - Zheng Shi
- Clinical Medical College & Affiliated Hospital, Chengdu University, Chengdu, 610041, PR China
| | - Zhuo Tang
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Science, Chengdu, 610041, PR China.
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Zhao M, Qiao C, Cui Z, Zhang W, Yang S, Zhu C, Du F, Ning T, Xie S, Liu S, Li P, Xu J, Zhu S. Moluodan promotes DSS-induced intestinal inflammation involving the reprogram of macrophage function and polarization. J Ethnopharmacol 2024; 320:117393. [PMID: 37952735 DOI: 10.1016/j.jep.2023.117393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 11/03/2023] [Indexed: 11/14/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Moluodan (MLD) is a traditional Chinese medicine that is composed of 18 herbal medicines based on traditional Chinese medicine theory and practice. It has long been used in treating chronic gastritis and its components were traditionally used in dealing with intestinal inflammation. However, its specific pharmacological mechanism is still unclear. AIM OF THE STUDY The upper and lower digestive tract diseases are correlated. In clinical practice, some chronic gastritis patients are also accompanied by intestinal inflammation. Due to the unclear pharmacological mechanism of MLD and its effect on intestinal inflammation, there is doubt whether MLD is still suitable for this type of patient. Therefore, this study aims to elucidate the pharmacological mechanism of MLD and identify its effect in the mouse model of intestinal inflammation. MATERIALS AND METHODS Mice intestinal inflammation model was induced by 2.5% dextran sulfate sodium (DSS). The mice were given different concentrations of MLD via oral gavage (0.25, 0.5 g/kg b.w.). Pharmacodynamic indicators were assessed including body weight, colon length, disease activity index (DAI), bloody stool score, inflammatory factors, histological change, etc. RAW264.7 macrophage cells were used for in vitro experiments that illuminated the role of MLD in reprogramming macrophage function and polarization. RT-qPCR and western blots were performed to measure the mRNA and protein levels of macrophage polarization marker and effector molecules. The functions of polarized macrophages were tested using ROS detection probes, Edu assay and wound healing assay. RESULTS The administration of MLD exhibited obvious hemostatic effects, while unexpectedly accentuating various aspects of the DSS-induced intestinal inflammation in mice, including increased body weight loss and colon shortening, elevated disease activity index, and intensified colonic tissue damage. Additionally, MLD treatment induced more severe inflammatory cell infiltration and higher proinflammatory cytokines expression in colon tissue. Further results showed that MLD promoted M1 macrophage polarization and stimulated its proinflammatory cytokines expression, while only slightly affecting the function of M2 macrophage. Western blot analysis revealed that MLD induced the phosphorylation of AKT and NF-κB. The polarization of M1 macrophages induced by MLD was inhibited by either an Akt inhibitor or a NF-κB inhibitor. CONCLUSIONS Although MLD has an obvious hemostatic effect, it generally promoted the severity of DSS-induced colitis in mice by facilitating macrophage polarization toward the M1 phenotype through the AKT/NF-κB pathway. Our study suggested that MLD may not be suitable for colitis, especially during the acute inflammation stage.
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Affiliation(s)
- Mengran Zhao
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, State Key Laboratory of Digestive Health, Beijing, 100050, China
| | - Chen Qiao
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, State Key Laboratory of Digestive Health, Beijing, 100050, China
| | - Zilu Cui
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, State Key Laboratory of Digestive Health, Beijing, 100050, China
| | - Wen Zhang
- Department of Gastroenterology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, 100700, China
| | - Shuyue Yang
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, State Key Laboratory of Digestive Health, Beijing, 100050, China
| | - Congmin Zhu
- School of Biomedical Engineering, Capital Medical University, Beijing Key Laboratory of Fundamental Research on Biomechanics in Clinical Application, Beijing, China
| | - Feng Du
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, State Key Laboratory of Digestive Health, Beijing, 100050, China
| | - Tingting Ning
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, State Key Laboratory of Digestive Health, Beijing, 100050, China
| | - Sian Xie
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, State Key Laboratory of Digestive Health, Beijing, 100050, China
| | - Si Liu
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, State Key Laboratory of Digestive Health, Beijing, 100050, China
| | - Peng Li
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, State Key Laboratory of Digestive Health, Beijing, 100050, China
| | - Junxuan Xu
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, State Key Laboratory of Digestive Health, Beijing, 100050, China.
| | - Shengtao Zhu
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical University, National Clinical Research Center for Digestive Disease, Beijing Digestive Disease Center, State Key Laboratory of Digestive Health, Beijing, 100050, China.
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8
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Yang Z, Ke P, Zhang Y, Du F, Hong P. Quantitative analysis of the dominant external factors influencing elite speed Skaters' performance using BP neural network. Front Sports Act Living 2024; 6:1227785. [PMID: 38406767 PMCID: PMC10884308 DOI: 10.3389/fspor.2024.1227785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 01/26/2024] [Indexed: 02/27/2024] Open
Abstract
Introduction Speed skating, being a popular winter sport, imposes significant demands on elite skaters, necessitating their effective assessment and adaptation to diverse environmental factors to achieve optimal race performance. Objective The aim of this study was to conduct a thorough analysis of the predominant external factors influencing the performance of elite speed skaters. Methods A total of 403 races, encompassing various race distances and spanning from the 2013 to the 2022 seasons, were examined for eight high-caliber speed skaters from the Chinese national team. We developed a comprehensive analytical framework utilizing an advanced back-propagation (BP) neural neural network model to assess three key factors on race performance: ice rink altitude, ice surface temperature, and race frequency. Results Our research indicated that the performance of all skaters improves with higher rink altitudes, particularly in races of 1,000 m and beyond. The ice surface temperature can either enhance or impaire performance and varies in its influences based on skaters' technical characteristics, which had a perceptible or even important influence on races of 1,500 m and beyond, and a negligible influence in the 500 m and 1,000 m races. An increase in race frequency generally contributed to better performance. The influence was relatively minor in the 500 m race, important in the 3,000 m race, and varied among individuals in the 1,000 m and 1,500 m races. Conclusion The study results offer crucial guidelines for speed skaters and coaches, aiding in the optimization of their training and competition strategies, ultimately leading to improved competitive performance levels.
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Affiliation(s)
- Zhenlong Yang
- School of Transportation Science and Engineering, Beihang University, Beijing, China
| | - Peng Ke
- School of Transportation Science and Engineering, Beihang University, Beijing, China
| | - Yiming Zhang
- School of Transportation Science and Engineering, Beihang University, Beijing, China
| | - Feng Du
- School of Transportation Science and Engineering, Beihang University, Beijing, China
| | - Ping Hong
- School of Competitive Sports, Beijing Sports University, Beijing, China
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9
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He Q, Jin Q, Chen C, Wang J, Yuan S, Le S, Yang F, Yin Y, Du F, Xu H, Zhu C. Ternary dual S-scheme In 2O 3/SnIn 4S 8/CdS heterojunctions for boosted light-to-hydrogen conversion. J Colloid Interface Sci 2023; 650:416-425. [PMID: 37418892 DOI: 10.1016/j.jcis.2023.06.211] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 06/18/2023] [Accepted: 06/30/2023] [Indexed: 07/09/2023]
Abstract
Developing artificial S-scheme systems with highly active catalysts is significant to long-term solar-to-hydrogen conversion. Herein, CdS nanodots-modified hierarchical In2O3/SnIn4S8 hollow nanotubes were synthesized by an oil bath method for water splitting. Benefiting from the synergy among the hollow structure, tiny size effect, matched energy level positions, and abundant coupling heterointerfaces, the optimized nanohybrid attains an impressive photocatalytic hydrogen evolution rate of 110.4 µmol/h, and the corresponding apparent quantum yield reaches 9.7% at 420 nm. On In2O3/SnIn4S8/CdS interfaces, the migration of photoinduced electrons from both CdS and In2O3 to SnIn4S8via intense electronic interactions contributes to the ternary dual S-scheme modes, which are beneficial to promote faster spatial charge separation, deliver better visible light-harvesting ability, and provide more reaction active sites with high potentials. This work reveals protocols for rational design of on-demand S-scheme heterojunctions for sustainably converting solar energy into hydrogen in the absence of precious metals.
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Affiliation(s)
- Qiuying He
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Qijie Jin
- School of Environmental Science and Engineering, Nanjing Tech University, Nanjing 210009, China
| | - Chuanxiang Chen
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China.
| | - Jin Wang
- College of Electronic and Optical Engineering & College of Microelectronics, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
| | - Saisai Yuan
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Shukun Le
- Chemical Engineering College, Inner Mongolia University of Technology, Huhhot, 010051, China.
| | - Fu Yang
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Yu Yin
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Feng Du
- Institute of Materials Science and Devices, School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215011, China
| | - Haitao Xu
- School of Environmental Science and Engineering, Nanjing Tech University, Nanjing 210009, China
| | - Chengzhang Zhu
- School of Environmental Science and Engineering, Nanjing Tech University, Nanjing 210009, China.
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10
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Wang Y, Du F, Zhou H. Renal sarcoidosis presenting with chronic kidney disease and hypercalcemia. Clin Nephrol 2023; 100:177-180. [PMID: 37548467 DOI: 10.5414/cn111115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/06/2023] [Indexed: 08/08/2023] Open
Abstract
Sarcoidosis is a multisystem inflammatory disease that most frequently affects the lungs, lymph nodes, eyes, and skin. Renal involvement is clinically rare. We describe a 72-year-old male who presented with chronic kidney disease and elevated serum calcium and angiotensin-converting enzyme. Renal biopsy pathology showed chronic granulomatous interstitial nephritis. Renal function was significantly improved after glucocorticoid therapy. This case emphasizes that chronic kidney disease and hypercalcemia can be clues for renal sarcoidosis. Early renal biopsy and projective treatment is beneficial for renal outcome.
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11
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Zhao F, Shen G, Dong Q, Xin Y, Huo X, Wang M, Liu Z, Zhao Y, Ren D, Xie Q, Liu Z, Li Z, Gao L, Du F, Zhao J. Impact of platinum-based chemotherapy on the prognosis of early triple-negative breast cancer: a systematic review and meta-analysis. Clin Exp Med 2023; 23:2025-2040. [PMID: 36422737 DOI: 10.1007/s10238-022-00940-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 11/02/2022] [Indexed: 11/25/2022]
Abstract
Although platinum-based chemotherapy can improve pathologic complete response (pCR) in patients with triple-negative breast cancer (TNBC), the impact on survival of platinum-based neoadjuvant and adjuvant chemotherapy is still controversial. Our meta-analysis aimed at analyzing survival with platinum-based neoadjuvant and adjuvant chemotherapy in patients with TNBC. We searched PubMed, EMBASE, MEDLINE, Cochrane databases, and several major conferences up to January 2021. Fixed and random models were used for our meta-analysis. Disease-free survival (DFS), overall survival (OS), and side effects data were extracted from the included literature in addition to the corresponding pooled hazard ratio (HR) and odds ratio (OR) with 95% confidence intervals (CIs). A total of nine studies involving 3247 patients were included. The pooled analysis suggested that compared with anthracycline- and/or paclitaxel-based chemotherapy, platinum-based chemotherapy could further improve DFS (HR = 0.56, 95% CI 0.45-0.67, p < 0.01) and OS (HR = 0.54, 95% CI 0.38-0.70, p < 0.01) in patients with TNBC. The subgroup analysis showed that platinum-based chemotherapy could further improve DFS (HR = 0.59, 95% CI 0.43-0.74, p < 0.01) and OS (HR = 0.61, 95% CI 0.40-0.83, p < 0.01) in neoadjuvant chemotherapy and DFS (HR = 0.53, 95% CI 0.37-0.69, p < 0.01) and OS (HR = 0.46, 95% CI 0.23-0.69, p < 0.01) in adjuvant chemotherapy compared with anthracycline- and/or paclitaxel-based chemotherapy in patients with TNBC. In addition, compared with anthracycline-based chemotherapy, platinum-based chemotherapy without anthracycline chemotherapy could further improve DFS (HR = 0.53, 95% CI 0.37-0.70, p < 0.01) and OS (HR = 0.46, 95%CI 0.19-0.72, p < 0.01) in patients with TNBC. Compared with anthracycline- and/or paclitaxel-based chemotherapy, all-grade diarrhea, fatigue, and grade ≥ 3 anemia were higher in platinum-based chemotherapy. In contrast, all-grade anemia, leukopenia, neutropenia, peripheral neuropathy, myalgia/arthralgia, cardiac toxicity were lower in platinum-based chemotherapy; grade ≥ 3 leukopenia, neutropenia and myalgia/arthralgia were also lower. Compared with anthracycline- and/or paclitaxel-based chemotherapy, platinum-based chemotherapy was more associated with improved DFS and OS in TNBC patients. The benefit of survival is consistent with platinum-based neoadjuvant and adjuvant chemotherapy. The side effects of platinum-based chemotherapy are tolerable.
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Affiliation(s)
- Fuxing Zhao
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital of Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Guoshuang Shen
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital of Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Qiuxia Dong
- The Fifth People's Hospital of Qinghai Province, The First Ward of Oncology, Xining, 810000, China
| | - Yuanfang Xin
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital of Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Xingfa Huo
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital of Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Miaozhou Wang
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital of Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Zhen Liu
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital of Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Yi Zhao
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital of Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Dengfeng Ren
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital of Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Qiqi Xie
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital of Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Zhilin Liu
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital of Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Zitao Li
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital of Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Lihong Gao
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital of Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China
| | - Feng Du
- Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education/Beijing), The VIPII Gastrointestinal Cancer Division of Medical Department, Peking University Cancer Hospital and Institute, Beijing, 100142, China
| | - Jiuda Zhao
- Breast Disease Diagnosis and Treatment Center of Affiliated Hospital of Qinghai University & Affiliated Cancer Hospital of Qinghai University, Xining, 810000, China.
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12
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Abstract
Imaging and tracking tools for natural cellular RNA with improved biocompatibility, specificity, and sensitivity are critical to understanding RNA function and providing insights into disease therapeutics. We developed a new genetically encoded sensor using fluorogenic allosteric aptamer (FaApt) for the sensitive imaging of the localization and dynamics of RNA targets in live cells. Target RNAs can be specifically recognized with our sensor by forming perfectly complementary duplexes, which in turn can induce allosteric structural changes of the sensor to refold the native conformation of fluorogenic RNA aptamers. We demonstrated the ability of the sensor to monitor the effect of tumor necrosis factor and small-molecule inhibitor on the expression abundance of CXCL1 and survivin mRNA in human cancer cells, respectively. The asymmetrical distribution of endogenous Squint mRNA was confirmed in developing zebrafish embryos through microinjection of FaApt probes. This study provides an effective molecular tool for sensitive imaging and tracking endogenous RNA in living cells. Due to the high specificity and small size of our sensor system, it is expected to be applied to early diagnosis of RNA marker-related diseases and real-time evaluation of the treatment process.
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Affiliation(s)
- Yan Peng
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Science, Chengdu 610041, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Linjuan Shu
- State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 6100141, P. R. China
| | - Xiongfei Deng
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Science, Chengdu 610041, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Xin Huang
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Science, Chengdu 610041, P. R. China
| | - Xianming Mo
- State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu 6100141, P. R. China
| | - Feng Du
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Science, Chengdu 610041, P. R. China
| | - Zhuo Tang
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Science, Chengdu 610041, P. R. China
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13
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Zhou S, Chen M, Yuan Y, Xu Y, Pu Q, Ai X, Liu S, Du F, Huang X, Dong J, Cui X, Tang Z. Trans-acting aptazyme for conditional gene knockdown in eukaryotic cells. Mol Ther Nucleic Acids 2023; 33:367-375. [PMID: 37547296 PMCID: PMC10400872 DOI: 10.1016/j.omtn.2023.07.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 07/11/2023] [Indexed: 08/08/2023]
Abstract
Trans-acting hammerhead ribozyme inherits the advantages of being the smallest and best-characterized RNA-cleaving ribozyme, offering high modularity and the ability to cleave any desired sequence without the aid of any protein, as long as the target sequence contains a cleavage site. However, achieving precise control over the trans-acting hammerhead ribozyme would enable safer and more accurate regulation of gene expression. Herein, we described an intracellular selection of hammerhead aptazyme that contains a theophylline aptamer on stem II based on toxin protein IbsC. Based on the intracellular selection, we obtained three new cis-acting hammerhead aptazymes. Moreover, the corresponding trans-acting aptazymes could be efficiently induced by theophylline to knock down different targeted genes in eukaryotic cells. Notably, the best one, T195, exhibited a ligand-dependent and dose-dependent response to theophylline, and the cleavage efficiency could be enhanced by incorporating multiplex aptazymes.
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Affiliation(s)
- Shan Zhou
- Natural Products Research Center, Chengdu Institution of Biology, Chinese Academy of Sciences, Chengdu 610041, P.R. China
- University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Meiyi Chen
- Natural Products Research Center, Chengdu Institution of Biology, Chinese Academy of Sciences, Chengdu 610041, P.R. China
| | - Yi Yuan
- Natural Products Research Center, Chengdu Institution of Biology, Chinese Academy of Sciences, Chengdu 610041, P.R. China
| | - Yan Xu
- Natural Products Research Center, Chengdu Institution of Biology, Chinese Academy of Sciences, Chengdu 610041, P.R. China
| | - Qinlin Pu
- Natural Products Research Center, Chengdu Institution of Biology, Chinese Academy of Sciences, Chengdu 610041, P.R. China
| | - Xilei Ai
- Natural Products Research Center, Chengdu Institution of Biology, Chinese Academy of Sciences, Chengdu 610041, P.R. China
| | - Shuai Liu
- Natural Products Research Center, Chengdu Institution of Biology, Chinese Academy of Sciences, Chengdu 610041, P.R. China
| | - Feng Du
- Natural Products Research Center, Chengdu Institution of Biology, Chinese Academy of Sciences, Chengdu 610041, P.R. China
| | - Xin Huang
- Natural Products Research Center, Chengdu Institution of Biology, Chinese Academy of Sciences, Chengdu 610041, P.R. China
| | - Juan Dong
- Natural Products Research Center, Chengdu Institution of Biology, Chinese Academy of Sciences, Chengdu 610041, P.R. China
| | - Xin Cui
- Natural Products Research Center, Chengdu Institution of Biology, Chinese Academy of Sciences, Chengdu 610041, P.R. China
| | - Zhuo Tang
- Natural Products Research Center, Chengdu Institution of Biology, Chinese Academy of Sciences, Chengdu 610041, P.R. China
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14
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Du F, Yin G, Han L, Liu X, Dong D, Duan K, Huo J, Sun Y, Cheng L. Targeting Peripheral μ-opioid Receptors or μ-opioid Receptor-Expressing Neurons Does not Prevent Morphine-induced Mechanical Allodynia and Anti-allodynic Tolerance. Neurosci Bull 2023; 39:1210-1228. [PMID: 36622575 PMCID: PMC10387027 DOI: 10.1007/s12264-022-01009-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 09/19/2022] [Indexed: 01/10/2023] Open
Abstract
The chronic use of morphine and other opioids is associated with opioid-induced hypersensitivity (OIH) and analgesic tolerance. Among the different forms of OIH and tolerance, the opioid receptors and cell types mediating opioid-induced mechanical allodynia and anti-allodynic tolerance remain unresolved. Here we demonstrated that the loss of peripheral μ-opioid receptors (MORs) or MOR-expressing neurons attenuated thermal tolerance, but did not affect the expression and maintenance of morphine-induced mechanical allodynia and anti-allodynic tolerance. To confirm this result, we made dorsal root ganglia-dorsal roots-sagittal spinal cord slice preparations and recorded low-threshold Aβ-fiber stimulation-evoked inputs and outputs in superficial dorsal horn neurons. Consistent with the behavioral results, peripheral MOR loss did not prevent the opening of Aβ mechanical allodynia pathways in the spinal dorsal horn. Therefore, the peripheral MOR signaling pathway may not be an optimal target for preventing mechanical OIH and analgesic tolerance. Future studies should focus more on central mechanisms.
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Affiliation(s)
- Feng Du
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, 150001, China
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, 518055, China
- Department of Biology, Brain Research Center, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Guangjuan Yin
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, 518055, China
- Department of Biology, Brain Research Center, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Lei Han
- Department of Anesthesiology, Shenzhen University General Hospital, Shenzhen University, Shenzhen, 518055, China
| | - Xi Liu
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, 518055, China
- Department of Biology, Brain Research Center, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Dong Dong
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, 518055, China
- Department of Biology, Brain Research Center, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Kaifang Duan
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, 518055, China
- Department of Biology, Brain Research Center, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Jiantao Huo
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, 518055, China
- Department of Biology, Brain Research Center, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Yanyan Sun
- Department of Anesthesiology, Shenzhen University General Hospital, Shenzhen University, Shenzhen, 518055, China.
| | - Longzhen Cheng
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, 518055, China.
- Department of Biology, Brain Research Center, Southern University of Science and Technology, Shenzhen, 518055, China.
- Department of Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen, 518055, China.
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15
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Du F, Zhang Y, Ji X, Zhang N, Xu J, Ning T, Xie SA, Liu S, Li P, Zhu S. IL-8-mediated overexpression of ZNF274 promotes the proliferation and migration of colorectal cancer cells through the transactivation of MRPL40. Heliyon 2023; 9:e19046. [PMID: 37636370 PMCID: PMC10450991 DOI: 10.1016/j.heliyon.2023.e19046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 08/04/2023] [Accepted: 08/08/2023] [Indexed: 08/29/2023] Open
Abstract
Background Colorectal cancer (CRC) is one of the most prevalent malignant tumors with high morbidity and mortality rates worldwide. ZNF274, a member of the zinc-finger-protein family of transcription factors, is critical in chromosomal remodelling and tumorigenesis. However, the role of ZNF274 in CRC and the underlying molecular mechanisms remain unclear. Methods Immunohistochemical analysis was performed to quantify the expression of ZNF274 in human CRC tissues. The Kaplan‒Meier method was used to analyse the relationship between ZNF274 expression and CRC prognosis. The correlation between ZNF274 expression and clinical features was analyzed using Cox regression analysis. Cell proliferation and migration were evaluated by CCK-8, colony formation, and Transwell assays. The limma R package was used to analyse IL-8-related differentially expressed genes in the GSE30364 dataset. The DAVID method was used to screen significantly enriched pathways. Chromatin immunoprecipitation (ChIP)-qPCR and luciferase reporter assays were performed to determine the transcriptional regulation of MRPL40 by ZNF274. Results ZNF274 was overexpressed in CRC tissues and indicated poor prognosis. High ZNF274 expression was linked to larger tumor size, invasion, lymph node metastasis, and AJCC stage. Ectopic expression promoted CRC cell proliferation and migration. Mechanistically, MRPL40 was identified as the direct target gene that transactivates the expression of ZNF274. Moreover, IL-8 upregulated ZNF274 expression in a dose-dependent manner. Downregulation of either ZNF274 or MRPL40 expression abrogated the effect of IL-8 on promoting the proliferation and migration of CRC. Conclusion This study revealed an oncogenic role of ZNF274 and the mechanism by which ZNF274 participated in IL-8-induced promotion of CRC progression. These findings demonstrate that ZNF274 could be used as a prognostic factor and potential therapeutic target for CRC treatment.
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Affiliation(s)
- Feng Du
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical, University, National Clinical Research Centre for Digestive Disease, Beijing, Digestive Disease Centre, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, 100050 Beijing, PR China
| | - Yijun Zhang
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing, 100730, China
| | - Xu Ji
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical, University, National Clinical Research Centre for Digestive Disease, Beijing, Digestive Disease Centre, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, 100050 Beijing, PR China
| | - Nan Zhang
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical, University, National Clinical Research Centre for Digestive Disease, Beijing, Digestive Disease Centre, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, 100050 Beijing, PR China
| | - Junxuan Xu
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical, University, National Clinical Research Centre for Digestive Disease, Beijing, Digestive Disease Centre, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, 100050 Beijing, PR China
| | - Tingting Ning
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical, University, National Clinical Research Centre for Digestive Disease, Beijing, Digestive Disease Centre, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, 100050 Beijing, PR China
| | - Si-an Xie
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical, University, National Clinical Research Centre for Digestive Disease, Beijing, Digestive Disease Centre, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, 100050 Beijing, PR China
| | - Si Liu
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical, University, National Clinical Research Centre for Digestive Disease, Beijing, Digestive Disease Centre, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, 100050 Beijing, PR China
| | - Peng Li
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical, University, National Clinical Research Centre for Digestive Disease, Beijing, Digestive Disease Centre, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, 100050 Beijing, PR China
| | - Shengtao Zhu
- Department of Gastroenterology, Beijing Friendship Hospital, Capital Medical, University, National Clinical Research Centre for Digestive Disease, Beijing, Digestive Disease Centre, Beijing Key Laboratory for Precancerous Lesion of Digestive Disease, 100050 Beijing, PR China
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16
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Zhou F, Pan T, Li X, Du F, Ma X, Zhang Y, Wu D, Han Y, Xue S, Miao M, Tao T, He X, Chen S. Exploration of efficacy and safety of combined therapy of basiliximab with ruxolitinib for grade 3-4 steroid-refractory acute graft-versus-host disease: a registered clinical trial (NCT05021276). Bone Marrow Transplant 2023; 58:959-961. [PMID: 37253803 DOI: 10.1038/s41409-023-02005-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 02/03/2023] [Accepted: 05/02/2023] [Indexed: 06/01/2023]
Affiliation(s)
- Fei Zhou
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Tingting Pan
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xiaoli Li
- Soochow Hopes Hematonosis Hospital, Suzhou, China
| | - Feng Du
- Soochow Hopes Hematonosis Hospital, Suzhou, China
| | - Xiao Ma
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Yanming Zhang
- Department of Hematology, Huai'an Hospital Affiliated to Xuzhou Medical College and Huai'an Second People's Hospital, Huai'an, China
| | - Depei Wu
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Yue Han
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Shengli Xue
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Miao Miao
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Tao Tao
- Suzhou Fifth People's Hospital, Suzhou, China
| | - Xuefeng He
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.
| | - Suning Chen
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China.
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17
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Du F, Du L, Xia W, Zhao Q, Leng Z, Tang Z. A broadband yellow-green emitting mixed orthoborate-pyroborate phosphor, Ba 2Sc 2B 4O 11:Ce 3+, for white light emitting diodes. Dalton Trans 2023. [PMID: 37435878 DOI: 10.1039/d3dt01181j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/13/2023]
Abstract
The development of yellow-green phosphors for high quality white light emitting diodes (WLEDs) is critical. Herein, we successfully synthesized a mixed orthoborate-pyroborate phosphor, Ba2Sc2B4O11:Ce3+, using a high-temperature solid-state method, which exhibits bright yellow-green emission with a peak located at 540 nm and a full width at half maximum (FWHM) of 130 nm under 410 nm light excitation. In addition, the crystal structure, morphology, and thermal quenching properties of Ba2Sc2B4O11:Ce3+ were investigated in detail. The quantum yield of the optimal sample was found to be 53.3%. The concentration quenching occurred through the energy transition between the nearest-neighbor Ce3+ ions. A WLED with a low correlated color temperature (CCT = 3906 K) and a high color rendering index (Ra = 89) was prepared by coating the mixture of the phosphor Ba2Sc2B4O11:Ce3+, the commercial blue phosphor BaMgAl10O17:Eu2+ and the red phosphor CaAlSiN3:Eu2+ on a 395 nm n-UV LED chip. The results show that the yellow-green phosphor Ba2Sc2B4O11:Ce3+ could be an excellent candidate for WLEDs.
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Affiliation(s)
- Feng Du
- School of Chemistry and Chemical Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, P.R. China.
| | - Longsheng Du
- School of Chemistry and Chemical Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, P.R. China.
| | - Wenqi Xia
- School of Chemistry and Chemical Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, P.R. China.
| | - Qianqian Zhao
- School of Chemistry and Chemical Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, P.R. China.
| | - Zhihua Leng
- School of Chemistry and Chemical Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, P.R. China.
| | - Zuobin Tang
- School of Chemistry and Chemical Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, P.R. China.
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18
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Zou C, Ruan Y, Li H, Wan Q, Du F, Yuan J, Qin Q, Thompson GJ, Yang X, Li Y, Liu X, Zheng H. A new deuterium-labeled compound [2,3,4,6,6'- 2 H 5 ]-D-glucose for deuterium magnetic resonance metabolic imaging. NMR Biomed 2023; 36:e4890. [PMID: 36477944 DOI: 10.1002/nbm.4890] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 12/01/2022] [Accepted: 12/02/2022] [Indexed: 06/15/2023]
Abstract
Deuterium (2 H) magnetic resonance imaging is an emerging approach for noninvasively studying glucose metabolism in vivo, which is important for understanding pathogenesis and monitoring the progression of many diseases such as tumors, diabetes, and neurodegenerative diseases. However, the synthesis of 2 H-labeled glucose is costly because of the expensive raw substrates and the requirement for extreme reaction conditions, making the 2 H-labeled glucose rather expensive and unaffordable for clinic use. In this study, we present a new deuterated compound, [2,3,4,6,6'-2 H5 ]-D-glucose, with an approximate 10-fold reduction in production costs. The synthesis route uses cheaper raw substrate methyl-α-D-glucopyranoside, relies on mild reaction conditions (80°C), and has higher deuterium labeling efficiency. Magnetic resonance spectroscopy (MRS) and mass spectroscopy experiments confirmed the successful deuterium labeling in the compound. Animal studies demonstrated that the substrate could describe the glycolytic metabolism in a glioma rat model by quantifying the downstream metabolites through 2 H-MRS on an ultrahigh field system. Comparison of the glucose metabolism characteristics was carried out between [2,3,4,6,6'-2 H5 ]-D-glucose and commercial [6,6'-2 H2 ]-D-glucose in the animal studies. This cost-effective compound will help facilitate the clinical translation of deuterium magnetic resonance imaging, and enable this powerful metabolic imaging modality to be widely used in both preclinical and clinical research and applications.
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Affiliation(s)
- Chao Zou
- Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, China
- Key Laboratory for Magnetic Resonance and Multimodality Imaging of Guangdong Province, Shenzhen, Guangdong, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yingheng Ruan
- Shenzhen Dingbang Bioscience Co., Ltd, Shenzhen, Guangdong, China
| | - Huanxi Li
- Shenzhen Dingbang Bioscience Co., Ltd, Shenzhen, Guangdong, China
| | - Qian Wan
- Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, China
| | - Feng Du
- Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, China
| | - Jiawen Yuan
- Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, China
- Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Qikai Qin
- iHuman Institute, ShanghaiTech University, Shanghai, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | | | - Xiaojun Yang
- Shenzhen Dingbang Bioscience Co., Ltd, Shenzhen, Guangdong, China
| | - Ye Li
- Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, China
- Key Laboratory for Magnetic Resonance and Multimodality Imaging of Guangdong Province, Shenzhen, Guangdong, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Xin Liu
- Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, China
- Key Laboratory for Magnetic Resonance and Multimodality Imaging of Guangdong Province, Shenzhen, Guangdong, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Hairong Zheng
- Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong, China
- University of Chinese Academy of Sciences, Beijing, China
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Song Y, Li X, He X, Zhou F, Du F, Wang Z, Chen S, Wu D. Dose-escalating ruxolitinib for refractory hemophagocytic lymphohistiocytosis. Front Immunol 2023; 14:1211655. [PMID: 37457729 PMCID: PMC10339381 DOI: 10.3389/fimmu.2023.1211655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 06/16/2023] [Indexed: 07/18/2023] Open
Abstract
Background Hemophagocytic lymphohistiocytosis (HLH) is a severe disorder characterized by excessive secretion of cytokines. Even with the recommended HLH-94/2004 regimen, over 30% of patients remain refractory to frontline therapy or relapse after an initial response, leading to poor clinical outcomes. Ruxolitinib, a JAK1/2 inhibitor targets key cytokines in HLH, has shown promising therapeutic effects. However, there has been little attention given to patients who do not respond to ruxolitinib and whether an escalating dose can provide a resolution. Methods This study analyzed eight HLH patients who received dose-escalating ruxolitinib who had previously failed to respond to the general dose. The efficacy and safety were mainly analyzed. Results Overall, four out of eight (50%) patients achieved better remission after dose escalation. Two patients who only showed improvement with the general dose achieved complete remission (CR) after dose escalation, and the other two patients also achieved CR after dose escalation when they did not respond to the general dose. The median time to achieve the best overall response was 18.5 days (IQR 13.25-23.75 days). There was no correlation of treatment outcome with blood count, liver function, LDH, cytokines, ferritin levels, NK cell activity, or the time to initiation of ruxolitinib and maximum dosage. The etiology of HLH (p=0.029) and level of sCD25 (p=0.021) correlated with treatment response to dose-escalating ruxolitinib. The area of sCD25 under the ROC curve was 0.8125 (95% CI 0.5921 to 1.033, p=0.035) when using 10,000 pg/ml as the cut-off value for predicting therapeutic effects. After a median follow-up of 159 days, two patients died, and the estimated 2-month overall survival rate was 75%. Adverse effects possibly related to the dose-escalating of ruxolitinib included two cases of extremity pain and one of aminotransferase increased. No grade 3 or higher adverse events were reported. Conclusion This is the first comprehensive study on the use of dose-escalating ruxolitinib in HLH. Ruxolitinib at an escalated dose represent a viable and relatively safe solution for managing refractory HLH. The levels of sCD25 (with a cut-off of 10000pg/ml) can serve as an indicator for early consideration of chemotherapy during treatment.
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Affiliation(s)
- Yue Song
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Xiaoli Li
- Department of Hematology, Soochow Hopes Hematonosis Hospital, Suzhou, Jiangsu, China
| | - Xuefeng He
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Fei Zhou
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Feng Du
- Department of Hematology, Soochow Hopes Hematonosis Hospital, Suzhou, Jiangsu, China
| | - Ziyan Wang
- Department of Hematology, Soochow Hopes Hematonosis Hospital, Suzhou, Jiangsu, China
| | - Suning Chen
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
| | - Depei Wu
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Suzhou, China
- Institute of Blood and Marrow Transplantation, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, China
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20
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Ai X, Zhou S, Chen M, Du F, Yuan Y, Cui X, Dong J, Huang X, Tang Z. Leveraging Small Molecule-Induced Aptazyme Cleavage for Directed A-to-I RNA Editing. ACS Synth Biol 2023. [PMID: 37384927 DOI: 10.1021/acssynbio.3c00038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/01/2023]
Abstract
As a promising therapeutic approach for the correction of pathogenic mutations, the RNA editing process is reversible and tunable without permanently altering the genome. RNA editing mediated by human ADAR proteins offers distinct advantages, including high specificity and low propensity to cause immunogenicity. Herein, we describe a small molecule-inducible RNA editing strategy by incorporating aptazymes into the guide RNA of ADAR-based RNA editing technology. Once small molecules are added or removed, aptazymes trigger self-cleavage to release the guide RNA, achieving small molecule-controlled RNA editing. To satisfy different RNA editing applications, both turn-on and turn-off A-to-I RNA editing of target mRNA have been realized by using on/off-switch aptazymes. Theoretically speaking, this strategy can be applied to various ADAR-based editing systems, which could improve the safety and potential clinical applications of RNA editing technology.
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Affiliation(s)
- Xilei Ai
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Science, Chengdu 610041, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Shan Zhou
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Science, Chengdu 610041, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Meiyi Chen
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Science, Chengdu 610041, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Feng Du
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Science, Chengdu 610041, P. R. China
| | - Yi Yuan
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Science, Chengdu 610041, P. R. China
| | - Xin Cui
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Science, Chengdu 610041, P. R. China
| | - Juan Dong
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Science, Chengdu 610041, P. R. China
| | - Xin Huang
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Science, Chengdu 610041, P. R. China
| | - Zhuo Tang
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Science, Chengdu 610041, P. R. China
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Du F, Li N, Yang X, Zhang B, Zhang X, Li Y. Design and construction of an 8-channel transceiver coil array for rat imaging at 9.4 T. J Magn Reson 2023; 351:107302. [PMID: 37116433 DOI: 10.1016/j.jmr.2022.107302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 08/27/2022] [Accepted: 09/11/2022] [Indexed: 05/29/2023]
Abstract
Ultra-high field (UHF) small animal magnetic resonance imaging (MRI) is a crucial tool permitting investigation of metabolic diseases and identification of imaging biomarkers suitable for clinical diagnosis and translation. Radiofrequency (RF) coils are critical components in enabling acquisition of high-quality rat abdomen MRI data. However, efficient RF coils with high-channel count, capable of sensitive and accelerated rat abdomen imaging at 9.4 T, are not available commercially. The SNR of the commonly-used 9.4 T birdcage coil is relatively weak, particularly in the peripheral area of the subject. In addition, the birdcage is not readily to perform parallel imaging due to unavailability of the required multiple channels. Consequently, the extended scanning duration may cause unnecessary hazards to the rat. In this work, an 8-channel transceiver coil array was designed and constructed to provide good image quality and large coverage for rat abdomen imaging at 9.4 T. The structure and the performance of the developed array was optimized and evaluated by numerical electromagnetic simulations and bench tests, respectively. The MR imaging experiments in phantoms and rat models were also performed on a Bruker 9.4 T preclinical MRI system to validate the feasibility of the proposed design. The coil array supports a one-dimensional acceleration factor up to R = 4, providing good parallel imaging capabilities. These results demonstrated that the proposed 8-channel transceiver coil array for rat imaging has the ability to obtain high spatial resolution of rat abdomen anatomical structure images at 9.4 T.
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Affiliation(s)
- Feng Du
- Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; Key Laboratory for Magnetic Resonance and Multimodality Imaging of Guangdong Province, Shenzhen 518055, Guang Dong, China
| | - Nan Li
- Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; Key Laboratory for Magnetic Resonance and Multimodality Imaging of Guangdong Province, Shenzhen 518055, Guang Dong, China
| | - Xing Yang
- Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; Key Laboratory for Magnetic Resonance and Multimodality Imaging of Guangdong Province, Shenzhen 518055, Guang Dong, China
| | - Baogui Zhang
- State Key Laboratory of Brain and Cognitive Sciences, Beijing MRI Center for Brain Research, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China; University of Chinese Academy of Sciences, Beijing, China; Brainnetome Center, Institute of Automation, Chinese Academy of Sciences, Beijing 100190, China
| | - Xiaoliang Zhang
- Department of Biomedical Engineering, State University of New York at Buffalo, NY, United States., Buffalo, NY, United States
| | - Ye Li
- Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China; Key Laboratory for Magnetic Resonance and Multimodality Imaging of Guangdong Province, Shenzhen 518055, Guang Dong, China.
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22
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Xu Y, Yuan Y, Fu DQ, Fu Y, Zhou S, Yang WT, Wang XY, Li GX, Dong J, Du F, Huang X, Wang QW, Tang Z. The aptamer-based RNA-PROTAC. Bioorg Med Chem 2023; 86:117299. [PMID: 37137271 DOI: 10.1016/j.bmc.2023.117299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 04/16/2023] [Accepted: 04/23/2023] [Indexed: 05/05/2023]
Abstract
RNA-binding proteins (RBPs) dysfunction has been implicated in a number of diseases, and RBPs have traditionally been considered to be undruggable targets. Here, targeted degradation of RBPs is achieved based on the aptamer-based RNA-PROTAC, which consists of a genetically encoded RNA scaffold and a synthetic heterobifunctional molecule. The target RBPs can bind to their RNA consensus binding element (RCBE) on the RNA scaffold, while the small molecule can recruit E3 ubiquitin ligase to the RNA scaffold in a non-covalent manner, thereby inducing proximity-dependent ubiquitination and subsequent proteasome-mediated degradation of the target protein. Different RBPs targets, including LIN28A and RBFOX1, have been successfully degraded by simply replacing the RCBE module on the RNA scaffold. In addition, the simultaneous degradation of multiple target proteins has been realized by inserting more functional RNA oligonucleotides into the RNA scaffold.
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Affiliation(s)
- Yan Xu
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, Sichuan 610041, PR China; Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Sichuan 610041, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Yi Yuan
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Sichuan 610041, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Ding-Qiang Fu
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Sichuan 610041, PR China
| | - Yi Fu
- Department of Chemistry, Xihua University, Chengdu 610039, PR China
| | - Shan Zhou
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Sichuan 610041, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Wan-Ting Yang
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Sichuan 610041, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Xu-Yang Wang
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Sichuan 610041, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Guang-Xun Li
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Sichuan 610041, PR China
| | - Juan Dong
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Sichuan 610041, PR China.
| | - Feng Du
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Sichuan 610041, PR China
| | - Xin Huang
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Sichuan 610041, PR China
| | - Qi-Wei Wang
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, Sichuan 610041, PR China; Department of Chemistry, Xihua University, Chengdu 610039, PR China.
| | - Zhuo Tang
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Sichuan 610041, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China.
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Huo J, Du F, Duan K, Yin G, Liu X, Ma Q, Dong D, Sun M, Hao M, Su D, Huang T, Ke J, Lai S, Zhang Z, Guo C, Sun Y, Cheng L. Identification of brain-to-spinal circuits controlling the laterality and duration of mechanical allodynia in mice. Cell Rep 2023; 42:112300. [PMID: 36952340 DOI: 10.1016/j.celrep.2023.112300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 12/22/2022] [Accepted: 03/07/2023] [Indexed: 03/24/2023] Open
Abstract
Mechanical allodynia (MA) represents one prevalent symptom of chronic pain. Previously we and others have identified spinal and brain circuits that transmit or modulate the initial establishment of MA. However, brain-derived descending pathways that control the laterality and duration of MA are still poorly understood. Here we report that the contralateral brain-to-spinal circuits, from Oprm1 neurons in the lateral parabrachial nucleus (lPBNOprm1), via Pdyn neurons in the dorsal medial regions of hypothalamus (dmHPdyn), to the spinal dorsal horn (SDH), act to prevent nerve injury from inducing contralateral MA and reduce the duration of bilateral MA induced by capsaicin. Ablating/silencing dmH-projecting lPBNOprm1 neurons or SDH-projecting dmHPdyn neurons, deleting Dyn peptide from dmH, or blocking spinal κ-opioid receptors all led to long-lasting bilateral MA. Conversely, activation of dmHPdyn neurons or their axonal terminals in SDH can suppress sustained bilateral MA induced by lPBN lesion.
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Affiliation(s)
- Jiantao Huo
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China
| | - Feng Du
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China
| | - Kaifang Duan
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China
| | - Guangjuan Yin
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China
| | - Xi Liu
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China
| | - Quan Ma
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China
| | - Dong Dong
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China
| | - Mengge Sun
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China
| | - Mei Hao
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China
| | - Dongmei Su
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China
| | - Tianwen Huang
- Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen 518055, China
| | - Jin Ke
- Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen 518055, China
| | - Shishi Lai
- Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen 518055, China
| | - Zhi Zhang
- Division of Life Sciences and Medicine, CAS Key Laboratory of Brain Function and Diseases, University of Science and Technology of China, Hefei 230027, China
| | - Chao Guo
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China
| | - Yuanjie Sun
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China
| | - Longzhen Cheng
- Shenzhen Key Laboratory of Gene Regulation and Systems Biology, School of Life Sciences, Southern University of Science and Technology, Shenzhen 518055, China; Department of Biology, Brain Research Center, Southern University of Science and Technology, Shenzhen 518055, China; Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen 518055, China.
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24
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Wei Z, Dai M, Du F. The reversed compatibility effect: distractors matching the response feature but not the selection feature capture attention and evoke suppression. Curr Psychol 2023. [DOI: 10.1007/s12144-023-04482-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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Chen Y, Wang X, Du F, Yue J, Si Y, Zhao X, Cui L, Zhang B, Bei T, Xu B, Yuan P. Association between homologous recombination deficiency and outcomes with platinum and platinum-free chemotherapy in patients with triple-negative breast cancer. Cancer Biol Med 2023; 20:j.issn.2095-3941.2022.0525. [PMID: 36861447 PMCID: PMC9978893 DOI: 10.20892/j.issn.2095-3941.2022.0525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023] Open
Abstract
OBJECTIVE The choice of chemotherapeutic regimen for triple-negative breast cancer (TNBC) remains controversial. Homologous recombination deficiency (HRD) has attracted increasing attention in informing chemotherapy treatment. This study was aimed at investigating the feasibility of HRD as a clinically actionable biomarker for platinum-containing and platinum-free therapy. METHODS Chinese patients with TNBC who received chemotherapy between May 1, 2008 and March 31, 2020 were retrospectively analyzed with a customized 3D-HRD panel. HRD positivity was defined by an HRD score ≥ 30 or deleterious BRCA1/2 mutation. A total of 386 chemotherapy-treated patients with TNBC were screened from a surgical cohort (NCT01150513) and a metastatic cohort, and 189 patients with available clinical and tumor sequencing data were included. RESULTS In the entire cohort, 49.2% (93/189) of patients were identified as HRD positive (40 with deleterious BRCA1/2 mutations and 53 with BRCA1/2 intact with an HRD score of ≥ 30). In the first-line metastatic setting, platinum therapy was associated with longer median progression-free survival (mPFS) than platinum-free therapy [9.1 vs. 3.0 months; hazard ratio (HR), 0.43; 95% confidence interval 0.22-0.84; P = 0.01]. Among HRD-positive patients, the mPFS was significantly longer in those treated with platinum rather than platinum-free therapy (13.6 vs. 2.0 months; HR, 0.11; P = 0.001). Among patients administered a platinum-free regimen, HRD-negative patients showed a PFS significantly superior to that of HRD-positive patients (P = 0.02; treatment-biomarker P-interaction = 0.001). Similar results were observed in the BRCA1/2-intact subset. In the adjuvant setting, HRD-positive patients tended to benefit more from platinum chemotherapy than from platinum-free chemotherapy (P = 0.05, P-interaction = 0.02). CONCLUSIONS HRD characterization may guide decision-making regarding the use of platinum treatment in patients with TNBC in both adjuvant and metastatic settings.
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Affiliation(s)
- Yimeng Chen
- Department of Medical Oncology and Clinical Trial Center, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Xue Wang
- Department of VIP Medical Services, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Feng Du
- Department of Medical Oncology and Clinical Trial Center, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Jian Yue
- Department of VIP Medical Services, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Yiran Si
- Department of Medical Oncology and Clinical Trial Center, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Xiaochen Zhao
- The Medical Department, 3D Medicines Inc., Shanghai 201114, China
| | - Lina Cui
- The Medical Department, 3D Medicines Inc., Shanghai 201114, China
| | - Bei Zhang
- The Medical Department, 3D Medicines Inc., Shanghai 201114, China
| | - Ting Bei
- The Medical Department, 3D Medicines Inc., Shanghai 201114, China
| | - Binghe Xu
- Department of Medical Oncology and Clinical Trial Center, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
- Correspondence to: Peng Yuan and Binghe Xu, and
| | - Peng Yuan
- Department of VIP Medical Services, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
- Correspondence to: Peng Yuan and Binghe Xu, and
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26
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Li G, Li Z, Du F, Cao Z. Mechanical mechanism of rib spalling and sensitivity analysis of gangue parameters to rib spalling in gangue-bearing coal seams. Environ Sci Pollut Res Int 2023; 30:38713-38727. [PMID: 36585591 DOI: 10.1007/s11356-022-25033-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 12/24/2022] [Indexed: 06/17/2023]
Abstract
Rib spalling is one of the main factors restricting the safe and efficient production of the fully mechanized mining face in gangue-bearing coal seams, and the gangue has significant influence on the occurrence of rib spalling. In this study, the instability process and mechanical mechanism of rib spalling in gangue-bearing coal seams were studied, and the sensitivity of gangue parameters to rib spalling was analyzed. The simulation test of rib spalling under different gangue parameters was carried out by orthogonal tests. The width and depth of rib spalling were taken as evaluation indexes, and the influence of gangue parameters on the rib spalling was analyzed by variance analysis and significance tests. The results show that the failure process of rib spalling is characterized by the fracturing failure of the lower coal body, shear failure of the gangue layer, and the falling off of the upper coal body caused by the gravity; the gangue parameters (thickness, density, joint inclination, and internal friction angle) have an important influence on the sliding instability of the coal wall. In the sensitivity analysis, the influence of gangue parameters on the width of rib spalling is ordered as gangue density > joint inclination > gangue thickness > internal friction angle; the influence of gangue parameters on the depth of rib spalling is ordered as gangue density > joint inclination > internal friction angle > gangue thickness. Besides, the greater the gangue density, the less damage caused by stress concentration, and the lower the risk of rib spalling.
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Affiliation(s)
- Guosheng Li
- School of Energy Science and Engineering, Henan Polytechnic University, Jiaozuo, 454000, Henan, China
| | - Zhenhua Li
- School of Energy Science and Engineering, Henan Polytechnic University, Jiaozuo, 454000, Henan, China.
- Collaborative Innovation Center of Coal Work Safety and Clean High Efficiency Utilization, Jiaozuo, 454000, Henan, China.
| | - Feng Du
- School of Energy Science and Engineering, Henan Polytechnic University, Jiaozuo, 454000, Henan, China
- Collaborative Innovation Center of Coal Work Safety and Clean High Efficiency Utilization, Jiaozuo, 454000, Henan, China
| | - Zhengzheng Cao
- School of Civil Engineering, Henan Polytechnic University, Jiaozuo, 454003, Henan, China
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Du F, Wang M, Wang L, Li Y, Wang Y, Deng W, Yan W, Jin X. Catalytic Conversion of Polyoxymethylene with Bio-Derived Substrates: Kinetic Modeling on Solvent Enhancement Effect and Experimental Studies on Reaction Mechanism. Chem Eng Sci 2023. [DOI: 10.1016/j.ces.2023.118670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
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Gao SL, Wang DY, Wang X, Zhang B, Du F, Ju J, Yue J, Kang YK, Wang X, Xu BH, Yuan P. Prognostic factors and adjuvant systemic therapy for patients with HER2-positive T1N0 breast cancer: evidence from a real-world study with long-term follow-up. Breast Cancer Res Treat 2023; 197:569-582. [PMID: 36469156 DOI: 10.1007/s10549-022-06762-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 10/06/2022] [Indexed: 12/07/2022]
Abstract
PURPOSE The optimal adjuvant systemic treatment and potential prognostic factors for patients with T1N0 HER2-positive breast cancer are still unclear. We conducted a real-world study in this relatively low-risk population to identify the clinical-pathological factors of potential prognostic value and to compare the efficacy of different adjuvant strategies. METHODS We included patients with HER2-positive T1N0 breast cancer of infiltrating ductal carcinoma (IDC) histology treated at the Cancer Hospital, Chinese Academy of Medical Sciences from April 2010 to April 2017. We performed Cox multivariate analysis to identify the potential prognostic factors for invasive disease-free survival (IDFS). We also compared survival outcomes of (1) patients treated with adjuvant chemotherapy alone, or chemotherapy plus trastuzumab, or observation; (2) patients receiving adjuvant anthracycline-based and non-anthracycline regimens, both combined with trastuzumab. Inverse probability of treatment weighting (IPTW) propensity score was used to reduce selection bias. RESULTS Overall, 692 consecutive patients were included, with a median follow-up of 78.0 months for IDFS. Age ≤ 40, T1c, ER + PR + , and adjuvant trastuzumab were identified as independent prognostic factors. For adjuvant treatment, compared with observation and chemotherapy alone, chemotherapy plus trastuzumab could significantly benefit patients (HR = 2.70, P = 0.034; HR = 3.95, P < 0.001). Meanwhile, compared with observation, chemotherapy alone did not significantly benefit patients (HR = 1.37, P = 0.424). For the comparison of anthracycline-based versus non-anthracycline regimens when combined with trastuzumab, patients in both groups had similar IDFS (HR = 1.74, P = 0.242). CONCLUSIONS HER2-positive T1N0 IDC patients could benefit from adjuvant chemotherapy plus trastuzumab. Age ≤ 40, T1c, ER + PR + , and adjuvant trastuzumab are independent prognostic factors for this population.
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Affiliation(s)
- Song-Lin Gao
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Ding-Yuan Wang
- Department of Breast Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Xi Wang
- Daycare Center, Peking University Cancer Hospital and Institute, Beijing, 100142, China
| | - Bo Zhang
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Feng Du
- The VIPII Gastrointestinal Cancer Division of Medical Department, Key Laboratory of Carcinogenesis and Translational Research, Ministry of Education/Beijing), Peking University Cancer Hospital and Institute, Beijing, 100142, China
| | - Jie Ju
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Jian Yue
- Department of VIP Medical Services, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No.17, Panjiayuan Nanli, Chaoyang, Beijing, 100021, China
| | - Yi-Kun Kang
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Xue Wang
- Department of VIP Medical Services, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No.17, Panjiayuan Nanli, Chaoyang, Beijing, 100021, China
| | - Bing-He Xu
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Peng Yuan
- Department of VIP Medical Services, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No.17, Panjiayuan Nanli, Chaoyang, Beijing, 100021, China.
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Li C, Di H, Yang T, Huang T, Deng W, Du F, Luo H. Fe/N/S Co-doped Porous Carbon from the Co-processing Residue of Coal and Heavy Oil for an Efficient Oxygen Reduction Reaction. Ind Eng Chem Res 2023. [DOI: 10.1021/acs.iecr.2c03783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Chuan Li
- State Key Laboratory of Heavy Oil, China University of Petroleum (East China), Qingdao, Shandong 266580, P. R. China
| | - Haoping Di
- State Key Laboratory of Heavy Oil, China University of Petroleum (East China), Qingdao, Shandong 266580, P. R. China
| | - Tengfei Yang
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo, Shandong 255000, P. R. China
| | - Tianxiang Huang
- State Key Laboratory of Heavy Oil, China University of Petroleum (East China), Qingdao, Shandong 266580, P. R. China
- Shaanxi Coal Chemical Industry Technology Research Institute Co. Ltd, Xi’an, Shaanxi 610100, P. R. China
| | - Wenan Deng
- State Key Laboratory of Heavy Oil, China University of Petroleum (East China), Qingdao, Shandong 266580, P. R. China
| | - Feng Du
- State Key Laboratory of Heavy Oil, China University of Petroleum (East China), Qingdao, Shandong 266580, P. R. China
| | - Hui Luo
- State Key Laboratory of Heavy Oil, China University of Petroleum (East China), Qingdao, Shandong 266580, P. R. China
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Lv H, He Y, Nie C, Du F, Chen X. Adding of apatinib and camrelizumab to overcome de novo trastuzumab resistance of HER2-positive gastric cancer: A case report and literature review. Front Pharmacol 2023; 13:1067557. [PMID: 36699065 PMCID: PMC9868577 DOI: 10.3389/fphar.2022.1067557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 12/13/2022] [Indexed: 01/10/2023] Open
Abstract
Background: Studies confirmed that trastuzumab plus fluorouracil-based chemotherapy improves the survival to more than 1 year in human with human epidermal growth factor receptor-2 (HER2)-positive advanced gastric cancer. However, there are still a small proportion of patients who do not benefit from trastuzumab treatment. Case summary: Here, we described a case report of de novo trastuzumab resistance in HER2-positive gastric cancer. Concomitant cyclin-E1 (CCNE1) and HER2 amplification are associated with de novo trastuzumab resistance. Genomic analysis demonstrated CCNE1 amplification and TP53 mutation in a HER2-positive gastric cancer patient. This patient achieved significant survival benefit and good safety when the patient received triple regimens consisting of trastuzumab, apatinib, and camrelizumab. Conclusion: Trastuzumab plus camrelizumab plus apatinib has the potential efficacy in HER2-positive gastric cancer patients who were previously treated with trastuzumab plus chemotherapy. This may lead to a new solution to trastuzumab resistance.
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Affiliation(s)
- Huifang Lv
- The Affiliated Cancer Hospital of Zhengzhou University, Henan cancer hospital, Zhengzhou, China
| | - Yunduan He
- The Affiliated Cancer Hospital of Zhengzhou University, Henan cancer hospital, Zhengzhou, China
| | - Caiyun Nie
- The Affiliated Cancer Hospital of Zhengzhou University, Henan cancer hospital, Zhengzhou, China
| | - Feng Du
- The Affiliated Cancer Hospital of Zhengzhou University, Henan cancer hospital, Zhengzhou, China
| | - Xiaobing Chen
- The Affiliated Cancer Hospital of Zhengzhou University, Henan cancer hospital, Zhengzhou, China
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31
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Cui Y, Huang W, Du F, Yin X, Feng L, Li B. Correction to: Therapeutic benefits of niraparib tosylate as radio sensitizer in esophageal squamous cell carcinoma: an in vivo and in vitro preclinical study. Clin Transl Oncol 2023; 25:560-562. [PMID: 36473995 PMCID: PMC9873746 DOI: 10.1007/s12094-022-03020-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yuzhong Cui
- Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, China
- National Clinical Research Center for Cancer, Tianjin, 300060, China
- Key Laboratory of Cancer Prevention and Therapy, Tianjin, 300060, China
- Tianjin's Clinical Research Center for Cancer, Tianjin, 300060, China
- Department of Oncology, Zibo Municipal Hospital, Zibo, 255400, China
| | - Wei Huang
- Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117, China
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, 440 Jiyan Road, Huaiyin District, Jinan, 250117, Shandong, China
| | - Feng Du
- Department of Oncology, Zibo Municipal Hospital, Zibo, 255400, China
| | - Xiaoyang Yin
- Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117, China
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, 440 Jiyan Road, Huaiyin District, Jinan, 250117, Shandong, China
| | - Lei Feng
- Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117, China
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, 440 Jiyan Road, Huaiyin District, Jinan, 250117, Shandong, China
| | - Baosheng Li
- Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117, China.
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, 440 Jiyan Road, Huaiyin District, Jinan, 250117, Shandong, China.
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Song X, Liu Y, Chen Y, Du F. Development and psychometrics of a new Emotion-focused Regulation Questionnaire in Chinese. Personality and Individual Differences 2022. [DOI: 10.1016/j.paid.2022.111831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Yuan Y, Fu D, Xu Y, Wang X, Deng X, Zhou S, Du F, Cui X, Deng Y, Tang Z. Pt(IV) Prodrug as a Potential Antitumor Agent with APE1 Inhibitory Activity. J Med Chem 2022; 65:15344-15357. [DOI: 10.1021/acs.jmedchem.2c01318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Yi Yuan
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Dingqiang Fu
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Yan Xu
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Xuyang Wang
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Xiongfei Deng
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Shan Zhou
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Feng Du
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Xin Cui
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Yun Deng
- State Key Laboratory of Southwestern Chinese Medicine Resources, The Ministry of Education Key Laboratory of Standardization of Chinese Herbal Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Zhuo Tang
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
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Jiang X, Chen Y, Ao N, Xiao Y, Du F. A Depression-Risk Mental Pattern Identified by Hidden Markov Model in Undergraduates. Int J Environ Res Public Health 2022; 19:14411. [PMID: 36361305 PMCID: PMC9654443 DOI: 10.3390/ijerph192114411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 10/27/2022] [Accepted: 11/02/2022] [Indexed: 06/16/2023]
Abstract
Few studies have examined depression risk screening approaches. Universal depression screening in youth typically focuses on directly measuring the current distress and impairment by several kinds of depression rating scales. However, as many people have stigmatizing attitudes to individuals with depression, youths with depression were in fear of being known, and embarrassment held them back from reporting their depression symptoms. Thus, the present study aimed to identify the best, most easy access screening approach for indirectly predicting depression risks in undergraduates. Here, the depression score was ranked and viewed as the different stages in the development of depression; then, we used a Hidden Markov Model (HMM) approach to identify depression risks. Participants included 1247 undergraduates (female = 720, mean age = 19.86 years (std =1.31), from 17 to 25) who independently completed inventories for depressive symptoms, emotion regulation, subjective well-being (life satisfaction, negative and positive affect), and coping styles (positive and negative). Our findings indicated that the risk pattern (state 1) and the health pattern (state 2) showed distinct different rating results in emotional regulation, subjective well-being, and coping style. Screening for prospective risk of depression can be better accomplished by HMM incorporating subjective well-being, emotion regulation, and coping style. This study discussed the implications for future research and evidence-based decision-making for depression screening initiatives.
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Affiliation(s)
- Xiaowei Jiang
- Institute of Psychology and Behavior, Henan University, Kaifeng 475001, China
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA 19104-6321, USA
| | - Yanan Chen
- Institute of Psychology and Behavior, Henan University, Kaifeng 475001, China
- Institute of Cognition, Brain and Health, Henan University, Kaifeng 475001, China
| | - Na Ao
- Institute of Psychology and Behavior, Henan University, Kaifeng 475001, China
| | - Yang Xiao
- Institute of Psychology and Behavior, Henan University, Kaifeng 475001, China
| | - Feng Du
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing 100101, China
- Department of Psychology, University of Chinese Academy of Sciences, Beijing 100101, China
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Zhang J, Huang L, Fang T, Du F, Xiang Z, Zhang J, Chen R, Peljo P, Ouyang G, Deng H. Discrete Events of Ionosomes at the Water/Toluene Micro‐Interface. ChemElectroChem 2022. [DOI: 10.1002/celc.202201031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jingyan Zhang
- School of Chemical Engineering and Technology Sun Yat-sen University Zhuhai 519082 China
| | - Linhan Huang
- School of Chemical Engineering and Technology Sun Yat-sen University Zhuhai 519082 China
| | - Taoxiong Fang
- School of Chemical Engineering and Technology Sun Yat-sen University Zhuhai 519082 China
| | - Feng Du
- School of Chemical Engineering and Technology Sun Yat-sen University Zhuhai 519082 China
| | - Zhipeng Xiang
- Guangdong Provincial Key Laboratory of Fuel Cell Technology School of Chemistry and Chemical Engineering South China University of Technology Guangzhou 510641 China
| | - Jingcheng Zhang
- School of Chemical Engineering and Technology Sun Yat-sen University Zhuhai 519082 China
| | - Ran Chen
- School of Chemistry and Chemical Engineering Southeast University Nanjing 211189 China
| | - Pekka Peljo
- Research Group of Battery Materials and Technologies Department of Mechanical and Materials Engineering Faculty of Technology University of Turku 20014 Turun Yliopisto Finland
| | - Gangfeng Ouyang
- School of Chemical Engineering and Technology Sun Yat-sen University Zhuhai 519082 China
| | - Haiqiang Deng
- School of Chemical Engineering and Technology Sun Yat-sen University Zhuhai 519082 China
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Ding S, Wei Y, Chen G, Du F, Cui X, Huang X, Yuan Y, Dong J, Tang Z. Detection of Cancer Marker Flap Endonuclease 1 Using One-Pot Transcription-Powered Clustered Regularly Interspaced Short Palindromic Repeat/Cas12a Signal Expansion. Anal Chem 2022; 94:13549-13555. [PMID: 36121799 DOI: 10.1021/acs.analchem.2c03054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
As a critical functional protein in DNA replication and genome stability, flap endonuclease 1 (FEN1) has been considered a promising biomarker and druggable target for multiple cancers. We report here a transcription-powered clustered regularly interspaced short palindromic repeat (CRISPR)/Cas12a signal expansion platform for rapid and sensitive detection of FEN1. In this method, the probe cleavage by FEN1 generated a free 5' flap single-stranded DNA which could hybridize with the single-stranded T7 promoter-bearing template and trigger the extension. Then, the CRISPR guide RNA (crRNA) transcribed from the extended template activated the collateral DNase activity of Cas12a, releasing the fluorophore from the quenched DNA signal probe to report the FEN1 detection result. The high specificity for FEN1 was validated by comparing with other repair-relevant proteins. The limit of detection (LOD) could be as low as 0.03 mU, which is sensitive enough to detect the FEN1 activity in biological samples. In addition, the inhibition assay of FEN1 was also successfully achieved with this platform, proving its potential in inhibitor screening. In summary, this study provides a novel biosensor for FEN1 activity analysis and provides new insights into the development of CRISPR-based biosensors for non-nucleic acid targets.
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Affiliation(s)
- Sheng Ding
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Yinghua Wei
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, P. R. China
| | - Gangyi Chen
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, P. R. China
| | - Feng Du
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, P. R. China
| | - Xin Cui
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, P. R. China
| | - Xin Huang
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, P. R. China
| | - Yi Yuan
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, P. R. China
| | - Juan Dong
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, P. R. China
| | - Zhuo Tang
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, P. R. China
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37
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Du F, Wang WL, Zhang Z. Target tracking algorithm for pedestrians movement based on kernel-correlation filtering. ENTERP INF SYST-UK 2022. [DOI: 10.1080/17517575.2020.1755457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Feng Du
- College of Computer Science and Technology, Zhejiang University of Technology, Hangzhou, China
- School of Information Engineering, Zhijiang College of Zhejiang University of Technology, Shaoxing, China
| | - Wan-Liang Wang
- College of Computer Science and Technology, Zhejiang University of Technology, Hangzhou, China
| | - Zhi Zhang
- School of Information Engineering, Zhijiang College of Zhejiang University of Technology, Shaoxing, China
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Foley K, Dai Y, Ding Q, Du F, Li J, Lv C, Prince T, Sun Y, Wang M, Wang R, Yang X, Wang Y, Wang Z, Ma L, Long Ye L, Wei Yin W, Chenghao Ying C, Min Yu M, Zhu Y, Ying W. Tumor-selective, chaperone-mediated protein degradation (CHAMP) of the bromodomain transcription factor BRD4. Eur J Cancer 2022. [DOI: 10.1016/s0959-8049(22)00875-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Zheng F, Wei T, Wang X, Du F, Yue J, Yuan P. Disease-free survival landmark analysis: a potential critical endpoint in triple-negative breast cancer. Exp Hematol Oncol 2022; 11:65. [PMID: 36167566 PMCID: PMC9513960 DOI: 10.1186/s40164-022-00308-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 09/01/2022] [Indexed: 11/10/2022] Open
Abstract
Taxanes plus carboplatin (TP) regimen may be an acceptable alternative adjuvant chemotherapy strategy in patients with triple-negative breast cancer (TNBC); however, the difference with the anthracycline-based regimen is yet to be clarified. Therefore, this study aimed to assess the difference between platinum-based and anthracycline-based regimens in prolonging the survival time in TNBC. Using exploratory landmark analysis, we found that the platinum-based TP regimen offers a longer disease-free survival (DFS) than the anthracycline-based regimen in TNBC patients with a DFS of > 4 years.
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Affiliation(s)
- Fangchao Zheng
- Department of VIP Medical Services, National Cancer Centre/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.,Department of medical oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, 250117, Jinan, China
| | - Tong Wei
- Department of VIP Medical Services, National Cancer Centre/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Xue Wang
- Department of VIP Medical Services, National Cancer Centre/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Feng Du
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), The VIPII Gastrointestinal Cancer Division of Medical Department, Peking University Cancer Hospital and Institute, Beijing, 100021, China
| | - Jian Yue
- Department of VIP Medical Services, National Cancer Centre/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Peng Yuan
- Department of VIP Medical Services, National Cancer Centre/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.
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Tang Z, Du F, Leng Z, Xie H, Li Y, Zhao L. Seeking new, ultra-narrow-band blue emitting phosphors with high color purity for wide color gamut displays. J RARE EARTH 2022. [DOI: 10.1016/j.jre.2022.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Kumar R, Luo SS, Du F, Su H, Zhang J, Cao C, Yuan HQ. Superconductivity in non-centrosymmetric ZrNiAl and HfRhSn-type compounds. J Phys Condens Matter 2022; 34:435701. [PMID: 35977535 DOI: 10.1088/1361-648x/ac8a80] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 08/17/2022] [Indexed: 06/15/2023]
Abstract
We report the discovery of superconductivity in non-centrosymmetric compounds HfNiAl, ZrNiAl, ZrNiGa, and HfPtAl by measuring their electrical transport and thermodynamic properties. HfNiAl, ZrNiAl, and ZrNiGa crystallize in the ZrNiAl-type crystal structure, whereas HfPtAl crystallizes in the HfRhSn-type crystal structure. Superconducting transitions for HfNiAl, ZrNiAl, ZrNiGa, and HfPtAl are observed at 1.0 K, 1.0 K, 0.42 K, and 0.58 K, respectively. Using the Werthamer-Helfand-Hohenberg model, the zero-temperature upper critical fieldsµ0Hc2(0) were estimated to be 0.58 T, 0.24 T, 0.08 T, and 0.34 T for HfNiAl, ZrNiAl, ZrNiGa, and HfPtAl, respectively. The observed jump in electronic heat capacity (ΔCe/γT) across the superconducting transition is 1.3, 1.3, and 1.2 for HfNiAl, ZrNiAl, and HfPtAl, respectively. After the inclusion of the spin-orbit coupling in the band structure calculations, a total of six bands for ZrNiAl, HfPtAl, and ZrNiGa, and eight bands for HfNiAl were found to cross the Fermi level. Spin-orbit coupling induced maximum splitting (ΔEASOC/kBTc) of the electronic bands near the Fermi level was found to be 1697, 517, 1138, and 4230 for HfNiAl, ZrNiAl, ZrNiGa, and HfPtAl, respectively. Large variation of the antisymmetric spin-orbit coupling (ASOC) among these compounds provides a great opportunity to study the effects of ASOC on the superconducting pairing states.
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Affiliation(s)
- Rohit Kumar
- Center for Correlated Matter and Department of Physics, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Shuai-Shuai Luo
- Center for Correlated Matter and Department of Physics, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Feng Du
- Center for Correlated Matter and Department of Physics, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Hang Su
- Center for Correlated Matter and Department of Physics, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Jiawen Zhang
- Center for Correlated Matter and Department of Physics, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Chao Cao
- Center for Correlated Matter and Department of Physics, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - H Q Yuan
- Center for Correlated Matter and Department of Physics, Zhejiang University, Hangzhou 310058, People's Republic of China
- Zhejiang Province Key Laboratory of Quantum Technology and Device, Department of Physics, Zhejiang University, Hangzhou 310058, People's Republic of China
- State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310058, People's Republic of China
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Zhang J, Huang L, Fang T, Du F, Xiang Z, Zhang J, Chen R, Peljo P, Ouyang G, Deng H. Discrete Events of Ionosomes at the Water/Toluene Micro‐Interface. ChemElectroChem 2022. [DOI: 10.1002/celc.202200624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Jingyan Zhang
- Sun Yat-Sen University Chemical Engineering and Technology CHINA
| | - Linhan Huang
- Sun Yat-Sen University Chemical Engineering and Technology CHINA
| | - Taoxiong Fang
- Sun Yat-Sen University School of Chemical Engineering and Technology CHINA
| | - Feng Du
- Sun Yat-Sen University Chemical Engineering and Technology CHINA
| | - Zhipeng Xiang
- South China University of Technology Chemistry and Chemical Engineering CHINA
| | - Jingcheng Zhang
- Sun Yat-Sen University Chemical Engineering and Technology CHINA
| | - Ran Chen
- Southeast University Chemistry and Chemical Engineering CHINA
| | - Pekka Peljo
- University of Turku: Turun Yliopisto Mechanical and Materials Engineering FINLAND
| | - Gangfeng Ouyang
- Sun Yat-Sen University Chemical Engineering and Technology CHINA
| | - Haiqiang Deng
- Sun Yat-Sen University School of Chemical Engineering and Technology Room 203, No. 7 Building, Haibin Honglou Road 519082 Zhuhai CHINA
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Yan W, You Z, Meng K, Du F, Zhang S, Jin X. Cross-metathesis of biomass to olefins: Molecular catalysis bridging the gap between fossil and bio-energy. Chin J Chem Eng 2022. [DOI: 10.1016/j.cjche.2021.10.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Wei Y, Ding S, Chen G, Dong J, Du F, Huang X, Cui X, Chen R, Tang Z. Real-time fluorescence and colorimetric identification of bulbus fritillariae using recombinase assisted loop-mediated isothermal DNA amplification (RALA). Front Plant Sci 2022; 13:948879. [PMID: 35968097 PMCID: PMC9366889 DOI: 10.3389/fpls.2022.948879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 06/30/2022] [Indexed: 06/15/2023]
Abstract
Bulbus Fritillariae (BF) is a kind of herbal medicine widely used in many countries including China, Japan, Korea, and so on. Among the known BF medicinal materials, Bulbus Fritillariae cirrhosae (BF cirrhosae) was reported to have the best curative effect. Due to the limited resources of BF cirrhosae, a lot of adulterants have emerged in the market, impairing the market order, resource development, and above all, clinical efficacy. Here, a novel nucleic acid amplification technique, Recombinase Assisted Loop-mediated isothermal DNA Amplification (RALA), was used to establish a real-time fluorescence isothermal molecular authentication method for five commonly used BF drugs. Moreover, this RALA-based assay can also be developed as a colorimetric detection method for on-site detection. Both real-time fluorescence and visual methods could detect as low as 0.1% genuine targets in the mixed samples. In summary, we report an isothermal detection system for five kinds of BF circulating in the market, providing a new choice for the molecular identification of BF drugs and showing promise in the laboratory testing as well as field identification of other herbal medicines.
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Affiliation(s)
- Yinghua Wei
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Beijing, China
| | - Sheng Ding
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Beijing, China
| | - Gangyi Chen
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Beijing, China
| | - Juan Dong
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Beijing, China
| | - Feng Du
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Beijing, China
| | - Xin Huang
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Beijing, China
| | - Xin Cui
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Beijing, China
| | - Rong Chen
- School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- State Key Laboratory of Southwestern Chinese Medicine Resources, The Ministry of Education Key Laboratory of Standardization of Chinese Herbal Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Zhuo Tang
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Beijing, China
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Du F, Gu YH, He YC, Deng WF, Liu ZZ. High-flow nasal cannula therapy for pediatric obstructive sleep apnea: a systematic review and meta-analysis. Eur Rev Med Pharmacol Sci 2022; 26:4583-4591. [PMID: 35856347 DOI: 10.26355/eurrev_202207_29179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
OBJECTIVE Heated and humidified high-flow nasal cannula (HFNC) therapy has been used to manage different respiratory conditions in pediatric patients. However, no review has summarized its efficacy for the management of pediatric obstructive sleep apnea (OSA). MATERIALS AND METHODS PubMed, Embase, CENTRAL, and Google Scholar were searched for all types of studies assessing the efficacy of HFNC for pediatric OSA. We compared pre-treatment and post-treatment obstructive apnea-hypopnea index (OAHI), obstructive hypopnea index (OHI), obstructive apnea index (OAI), SPO2 nadir and SPO2 mean values in a random-effect meta-analysis model. RESULTS Six studies reporting data of 67 pediatric patients treated with HFNC were included. Most of the data were from one-time titration. Meta-analysis revealed a statistically significant reduction in OAHI with HFNC therapy (MD: 15.58 95% CI: 8.30, 22.86 I2=77% p=0.001). Similarly, pooled analysis revealed that both OHI (MD: 12.35 95% CI: 0.78, 23.92 I2=98% p=0.04) and OAI (MD: 7.54 95% CI: 2.10, 12.98 I2=79% p=0.007) were significantly reduced with HFNC treatment. Also, HFNC led to statistically significant improvement in SPO2 nadir values (MD: -8.17 95% CI: -10.40, -5.94 I2=21% p<0.00001) but it did not change the mean SPO2 values before and after treatment (MD: -0.85 95% CI: -1.94, 0.25 I2=52% p=0.13). CONCLUSIONS Evidence from a limited number of heterogeneous and uncontrolled titration studies indicates that HFNC improves OAHI and minimum oxygen saturation in pediatric patients with OSA. However, further research is required on the long-term efficacy and compliance of HFNC therapy with a focus on different pediatric age groups.
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Affiliation(s)
- F Du
- Department of Pediatrics, Yubei District People's Hospital of Chongqing, Chongqing, China.
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Li B, Yang T, Liu Y, Du F. Memory load differentially influences younger and older users' learning curve of touchscreen gestures. Sci Rep 2022; 12:10814. [PMID: 35752694 PMCID: PMC9233678 DOI: 10.1038/s41598-022-15092-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 06/17/2022] [Indexed: 11/09/2022] Open
Abstract
In this study, we employed a recall test to investigate how memory load affects the learning curve of gesture-letter pairs for younger and older users. The gesture-letter pairs were carefully designed to mimic real-world gesture-function/command associations on a touchscreen mobile phone. Both younger and older user groups showed lower recall accuracy as the memory load of gesture-letter pairs increased, and recall performance improved with repeated memory training. More specifically, younger users improved rapidly over repeated memory sessions under all memory loads, whereas older users benefited much less from repeated memory sessions except the lowest memory load of 6 gesture-letter pairs. These results reveal that the memory load differentially modulated younger and older users' learning curves of gesture-letter pairs. Thus, our work suggests an upper limit when adding new gesture-function associations on mobile phones and special attention should be devoted to old users.
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Affiliation(s)
- Bingxin Li
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Tong Yang
- Huawei & Chinese Academy of Sciences UX Design Human Factors Joint Lab, Beijing, China
| | - Yanfang Liu
- Huawei & Chinese Academy of Sciences UX Design Human Factors Joint Lab, Beijing, China
| | - Feng Du
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, China. .,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China.
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Du F, Zheng F, Han Y, Zhao J, Yuan P. Novel Immune-Related Gene Signature for Risk Stratification and Prognosis of Survival in ER (+) and/or PR (+) and HER2 (-) Breast Cancer. Front Pharmacol 2022; 13:820437. [PMID: 35721151 PMCID: PMC9201983 DOI: 10.3389/fphar.2022.820437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 04/27/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Although intrinsic molecular subtype has been widely used, there remains great clinical heterogeneity of prognosis in the estrogen receptor (ER)- and/or progesterone receptor (PR)-positive and human epidermal growth factor receptor 2 (HER2)-negative breast cancer (BC). Methods: The transcriptome expression data of messenger RNA (mRNA) were downloaded from The Cancer Genome Atlas (TCGA), Molecular Taxonomy of Breast Cancer International Consortium (METABRIC), and the Gene Expression Omnibus (GEO) databases. Immune-related genes were acquired from the ImmPort database and additional literature search. Univariate Cox, LASSO regression, and multivariate Cox regression were used to screen prognostic immune-related genes and establish the risk signature. The correlation between the risk signature and clinical characteristics, the abundances of immune cells within the tumor microenvironment, and cancer phenotypes were further assessed. Results: Of note, 102 immune-related prognostic genes were identified in the METABRIC dataset by univariate Cox analysis. Consecutively, 7 immune-related genes (SHMT2, AGA, COL17A1, FLT3, SLC7A2, ATP6AP1, and CCL19) were selected to establish the risk signature by LASSO regression and multivariate Cox analysis. Its performance was further verified in TCGA and GSE21653 datasets. Multivariate Cox analysis showed that the risk signature was an independent prognostic factor. The 7-gene signature showed a significant correlation with intrinsic molecular subtypes and 70-gene signature. Furthermore, the CD4+ memory T cells were significantly higher in the low-risk group while a significantly higher proportion of M0-type macrophages was found in the high-risk group in both METABRIC and TCGA cohorts, which may have an influence on the prognosis. Furthermore, we found that the low-risk group may be associated with the immune-related pathway and the high-risk group was with the cell cycle-related pathway, which also showed an impact on the prognosis. Conclusion: These seven immune-related gene risk signatures provided an effective method for prognostic stratification in ER (+) and/or PR (+) and HER2 (−) BC.
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Affiliation(s)
- Feng Du
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), The VIPII Gastrointestinal Cancer Division of Medical Department, Peking University Cancer Hospital and Institute, Beijing, China
| | - Fangchao Zheng
- Department of Medical Oncology, National Cancer Centre/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Ying Han
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education /Beijing), Department of Palliative Care, Peking University Cancer Hospital and Institute, Beijing, China
| | - Jiuda Zhao
- Breast Disease Diagnosis and Treatment Center, Affiliated Hospital of Qinghai University and Affiliated Cancer Hospital of Qinghai University, Xining, China
| | - Peng Yuan
- Department of VIP Medical Services, National Cancer Centre/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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Zheng F, Du F, Yuan P. Trastuzumab Deruxtecan for Breast Cancer. N Engl J Med 2022; 386:2347. [PMID: 35704495 DOI: 10.1056/nejmc2205309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Fangchao Zheng
- Cancer Hospital of Chinese Academy of Medical Sciences, Beijing, China
| | - Feng Du
- Peking University Cancer Hospital and Institute, Beijing, China
| | - Peng Yuan
- Cancer Hospital of Chinese Academy of Medical Sciences, Beijing, China
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Wang X, Chen Y, Du F, Yue J, Si Y, Zhao X, Cui L, Zhang B, Bei T, Yuan P, Xu B. Abstract 5689: Effects of homologous recombination-related gene mutation subtypes on gene instability and the efficacy of platinum-containing regiments in triple-negative breast cancer. Cancer Res 2022. [DOI: 10.1158/1538-7445.am2022-5689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: Platinum-containing chemotherapy is treatment with high efficacy in homologous recombination (HR) deficient cancers that arise in carriers of mutations in the BRCA1/2 genes. However, previous reports have shown that TNBC patients carrying no BRCA1/2 mutations also could benefit from platinum therapy. This study aimed to explore the association between HR-related gene mutations and genomic instability, and further evaluate the effectiveness of platinum-containing chemotherapy preliminarily.
Methods: A total of 386 TNBC patients were screened from a surgical cohort (NCT01150513) and a metastatic cohort. Finally, 189 TNBC patients with clinical and tumor sequencing data availability were included, including 149 patients treated with radical surgery and adjuvant chemotherapy. All tumor samples were collected during the surgical operation and subjected to NGS for evaluating homologous recombination deficiency (HRD) score and 15 HR-related gene pathogenic or likely pathogenic mutations (including ATM, BARD1, BRCA1, BRCA2, BRIP1, CDK12, CHEK1, CHEK2, FANCL, PALB2, PPP2R2A, RAD51B, RAD51D, RAD51C, RAD54L). HRD score was an algorithmic assessment of three biomarkers of genomic instability as loss of heterozygosity, telomeric-allelic imbalance, large-scale state transitions and based on over 10,000 single-nucleotide polymorphisms in the human genome.
Results: In 189 TNBC cohort, 40 patients (21.1%) had BRCA1/2 deleterious mutations, with additional 26 patients (13.8%) carrying mutations in HR-related genes other than BRCA1/2. Compared with BRCA1/2-intact patients, those carrying BRCA1/2m displayed a significantly higher HRD score (median, 35.5 vs 20.0; P=0.02). However, patients with HRm obtained a similar HRD score with HRwt patients (median, 28.0 vs 21.0, P=0.83). TNBC patients with PALB2m (n=8) had a small trend higher HRD score compared with BRCA1/2m (median HRD score 39.0 and 35.5), and TNBC patients with RAD51 family (n=7), ATM (n=5) and other HR-related gene mutations had a numerical trend lower HRD score compared with BRCA1/2m (median HRD score 22.0, 4.0, 14.5 and 35.5). Of the 149 patients in surgical cohort, 74 received platinum-containing, and 75 underwent platinum-free adjuvant chemotherapy. We analyzed the associations between HR-related gene mutations and disease-free survival (DFS), and found that patients with RAD51Bm (n=3), RAD51Cm (n=1) or PPP2R2Am (n=1) displayed worse DFS for patients treated with adjuvant chemotherapy (P =0.012, P<0.0001 or P<0.0001, respectively).
Conclusions: In this study, we found that different HR-related genes mutation subtypes may exert distinct effects on genomic instability, and mutations in HR-related genes beyond the context of BRCA1/2 may serve as a biomarker for platinum-based adjuvant therapy for TNBC patients, which warrants further studies.
Citation Format: Xue Wang, Yimeng Chen, Feng Du, Jian Yue, Yiran Si, Xiaochen Zhao, Lina Cui, Bei Zhang, Ting Bei, Peng Yuan, Binghe Xu. Effects of homologous recombination-related gene mutation subtypes on gene instability and the efficacy of platinum-containing regiments in triple-negative breast cancer [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2022; 2022 Apr 8-13. Philadelphia (PA): AACR; Cancer Res 2022;82(12_Suppl):Abstract nr 5689.
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Affiliation(s)
- Xue Wang
- 1National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yimeng Chen
- 1National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Feng Du
- 1National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jian Yue
- 1National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yiran Si
- 1National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiaochen Zhao
- 2The Medical Department, 3D Medicines Inc., Shanghai, China
| | - Lina Cui
- 2The Medical Department, 3D Medicines Inc., Shanghai, China
| | - Bei Zhang
- 2The Medical Department, 3D Medicines Inc., Shanghai, China
| | - Ting Bei
- 2The Medical Department, 3D Medicines Inc., Shanghai, China
| | - Peng Yuan
- 1National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Binghe Xu
- 1National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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Wang X, Du F, Yue J, Si Y, Cui L, Zhang B, Zhao X, Xu B, Yuan P. Abstract 5084: KMT2D and PIK3CA mutation as potential factors to predict adjuvant chemotherapy efficacy in surgical triple negative breast cancer. Cancer Res 2022. [DOI: 10.1158/1538-7445.am2022-5084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: Chemotherapy is the most common treatment strategy for triple negative breast cancer (TNBC) patients. Nevertheless, due to adverse drug reactionsthe molecular high heterogeneity of TNBC and no appropriate meaningful efficacy markers, it is still difficult to establish preferred therapeutic strategies and predict the outcomes for TNBC. This study was to investigate the potential predictors and therapeutic targets based on genetic features.
Methods: A total of 386 TNBC patients were randomized 1:1 to receive either six cycles of paclitaxel + cisplatin (TP) or four cycles of epirubicin + cyclophosphamide followed by four cycles of docetaxel (EC-T) adjuvant chemotherapy after surgery (NCT01150513), which were described previously. Finally, 149 TNBC patients with clinical and tumor sequencing data availability were retrospectively analysed by NGS for 733 cancer-related genes. All tumor samples were collected during the surgical operation and subjected to NGS for evaluating genomic mutations and the potential predictors. Cox regression model and Kaplan-Meier method were applied to evaluate disease-free survival (DFS).
Results: In the surgical cohort receiving adjuvant chemotherapy, 74 patients received platinum and 75 received platinum-free chemotherapy as adjuvant chemotherapy. The most frequently mutated genes in this surgical TNBC cohort were TP53 (84%), BRCA1 (18%), BRCA2 (15%), POL1 (13%), PTEN (12%), REV3L (11%), FANCC (10%), and PARP4 (10%). We analyzed the associations between 733 cancer-related gene mutations and DFS after adjuvant chemotherapy. For the TP group, PIK3CA mutation (19%, 14/74) was discovered to correlate with poor DFS for patients treated with platinum-containing adjuvant therapy (HR=3.2, P=0.037), and KMT2D mutation (15%, 11/75) display worse DFS for patients treated with EC-T platinum-free group (HR=3.0, p=0.039). However, BRCA1/2 mutation (24%, 35/149) was found to be associated with poor prognosis (HR=2.1 (95% CI: 1-4.6), p=0.047), irrespective of therapeutic regimen.
Conclusions: In this population of surgical TNBC patients, NGS analysis identified potential predictive markers. PIK3CA mutation in TP platinum-containing group and KMT2D mutation in EC-T platinum-free group were significantly associated to poor prognosis for adjuvant chemotherapy in triple negative breast cancer.
Citation Format: Xue Wang, Feng Du, Jian Yue, Yiran Si, Lina Cui, Bei Zhang, Xiaochen Zhao, Binghe Xu, Peng Yuan. KMT2D and PIK3CA mutation as potential factors to predict adjuvant chemotherapy efficacy in surgical triple negative breast cancer [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2022; 2022 Apr 8-13. Philadelphia (PA): AACR; Cancer Res 2022;82(12_Suppl):Abstract nr 5084.
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Affiliation(s)
- Xue Wang
- 1National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Feng Du
- 1National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jian Yue
- 1National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yiran Si
- 1National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Lina Cui
- 2The Medical Department, 3D Medicines Inc., Shanghai, China
| | - Bei Zhang
- 2The Medical Department, 3D Medicines Inc., Shanghai, China
| | - Xiaochen Zhao
- 2The Medical Department, 3D Medicines Inc., Shanghai, China
| | - Binghe Xu
- 1National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Peng Yuan
- 1National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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