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Yi Y, Qin G, Yang H, Jia H, Zeng Q, Zheng D, Ye S, Zhang Z, Liu TM, Luo KQ, Deng CX, Xu RH. Mesenchymal Stromal Cells Increase the Natural Killer Resistance of Circulating Tumor Cells via Intercellular Signaling of cGAS-STING-IFNβ-HLA. Adv Sci (Weinh) 2024:e2400888. [PMID: 38638003 DOI: 10.1002/advs.202400888] [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] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 03/17/2024] [Indexed: 04/20/2024]
Abstract
Circulating tumor cells (CTCs) shed from primary tumors must overcome the cytotoxicity of immune cells, particularly natural killer (NK) cells, to cause metastasis. The tumor microenvironment (TME) protects tumor cells from the cytotoxicity of immune cells, which is partially executed by cancer-associated mesenchymal stromal cells (MSCs). However, the mechanisms by which MSCs influence the NK resistance of CTCs remain poorly understood. This study demonstrates that MSCs enhance the NK resistance of cancer cells in a gap junction-dependent manner, thereby promoting the survival and metastatic seeding of CTCs in immunocompromised mice. Tumor cells crosstalk with MSCs through an intercellular cGAS-cGAMP-STING signaling loop, leading to increased production of interferon-β (IFNβ) by MSCs. IFNβ reversely enhances the type I IFN (IFN-I) signaling in tumor cells and hence the expression of human leukocyte antigen class I (HLA-I) on the cell surface, protecting the tumor cells from NK cytotoxicity. Disruption of this loop reverses NK sensitivity in tumor cells and decreases tumor metastasis. Moreover, there are positive correlations between IFN-I signaling, HLA-I expression, and NK tolerance in human tumor samples. Thus, the NK-resistant signaling loop between tumor cells and MSCs may serve as a novel therapeutic target.
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Affiliation(s)
- Ye Yi
- Center of Reproduction, Development and Aging, Cancer Center, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macao SAR, 999078, China
| | - Guihui Qin
- Center of Reproduction, Development and Aging, Cancer Center, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macao SAR, 999078, China
| | - Hongmei Yang
- Center of Reproduction, Development and Aging, Cancer Center, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macao SAR, 999078, China
| | - Hao Jia
- Center of Reproduction, Development and Aging, Cancer Center, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macao SAR, 999078, China
| | - Qibing Zeng
- Center of Reproduction, Development and Aging, Cancer Center, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macao SAR, 999078, China
| | - Dejin Zheng
- Center of Reproduction, Development and Aging, Cancer Center, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macao SAR, 999078, China
| | - Sen Ye
- Center of Reproduction, Development and Aging, Cancer Center, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macao SAR, 999078, China
| | - Zhiming Zhang
- Center of Reproduction, Development and Aging, Cancer Center, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macao SAR, 999078, China
| | - Tzu-Ming Liu
- Center of Reproduction, Development and Aging, Cancer Center, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macao SAR, 999078, China
- Ministry of Education Frontiers Science Center for Precision Oncology, University of Macau, Taipa, Macao SAR, 999078, China
| | - Kathy Qian Luo
- Center of Reproduction, Development and Aging, Cancer Center, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macao SAR, 999078, China
- Ministry of Education Frontiers Science Center for Precision Oncology, University of Macau, Taipa, Macao SAR, 999078, China
| | - Chu-Xia Deng
- Center of Reproduction, Development and Aging, Cancer Center, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macao SAR, 999078, China
- Ministry of Education Frontiers Science Center for Precision Oncology, University of Macau, Taipa, Macao SAR, 999078, China
| | - Ren-He Xu
- Center of Reproduction, Development and Aging, Cancer Center, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macao SAR, 999078, China
- Ministry of Education Frontiers Science Center for Precision Oncology, University of Macau, Taipa, Macao SAR, 999078, China
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Jiang J, Xia Z, Zheng D, Li Y, Li F, Wang W, Ding S, Zhang J, Su X, Zhai Q, Zuo Y, Zhang Y, Gaisano HY, He Y, Sun J. Factors associated with nocturnal and diurnal glycemic variability in patients with type 2 diabetes: a cross-sectional study. J Endocrinol Invest 2024; 47:245-253. [PMID: 37354249 DOI: 10.1007/s40618-023-02142-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] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 06/16/2023] [Indexed: 06/26/2023]
Abstract
PURPOSE There is little information on factors that influence the glycemic variability (GV) during the nocturnal and diurnal periods. We aimed to examine the relationship between clinical factors and GV during these two periods. METHODS This cross-sectional study included 134 patients with type 2 diabetes. 24-h changes in blood glucose were recorded by a continuous glucose monitoring system. Nocturnal and diurnal GV were assessed by standard deviation of blood glucose (SDBG), coefficient of variation (CV), and mean amplitude of glycemic excursions (MAGE), respectively. Robust regression analyses were performed to identify the factors associated with GV. Restricted cubic splines were used to determine dose-response relationship. RESULTS During the nocturnal period, age and glycemic level at 12:00 A.M. were positively associated with GV, whereas alanine aminotransferase was negatively associated with GV. During the diurnal period, homeostatic model assessment 2-insulin sensitivity (HOMA2-S) was positively associated with GV, whereas insulin secretion-sensitivity index-2 (ISSI2) was negatively associated with GV. Additionally, we found a J-shape association between the glycemic level at 12:00 A.M. and MAGE, with 9.0 mmol/L blood glucose level as a cutoff point. Similar nonlinear associations were found between ISSI2 and SDBG, and between ISSI2 and MAGE, with ISSI2 value of 175 as a cutoff point. CONCLUSION Factors associated with GV were different between nocturnal and diurnal periods. The cutoff points we found in this study may provide the therapeutic targets for beta-cell function and pre-sleep glycemic level in clinical practice.
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Affiliation(s)
- J Jiang
- Department of Endocrinology, Jining No. 1 People's Hospital, 6 Jiankang Road, Rencheng District, Jining, 272000, Shandong, China
- Postdoctoral of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Z Xia
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, No.10 Xitoutiao, You'anmen Wai, Fengtai District, Beijing, 100069, China
| | - D Zheng
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, No.10 Xitoutiao, You'anmen Wai, Fengtai District, Beijing, 100069, China
- Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing, China
| | - Y Li
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, No.10 Xitoutiao, You'anmen Wai, Fengtai District, Beijing, 100069, China
| | - F Li
- Department of Endocrinology, Jining No. 1 People's Hospital, 6 Jiankang Road, Rencheng District, Jining, 272000, Shandong, China
| | - W Wang
- Department of Endocrinology, Jining No. 1 People's Hospital, 6 Jiankang Road, Rencheng District, Jining, 272000, Shandong, China
| | - S Ding
- Department of Endocrinology, Jining No. 1 People's Hospital, 6 Jiankang Road, Rencheng District, Jining, 272000, Shandong, China
| | - J Zhang
- Department of Endocrinology, Jining No. 1 People's Hospital, 6 Jiankang Road, Rencheng District, Jining, 272000, Shandong, China
| | - X Su
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, No.10 Xitoutiao, You'anmen Wai, Fengtai District, Beijing, 100069, China
| | - Q Zhai
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, No.10 Xitoutiao, You'anmen Wai, Fengtai District, Beijing, 100069, China
| | - Y Zuo
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, No.10 Xitoutiao, You'anmen Wai, Fengtai District, Beijing, 100069, China
| | - Y Zhang
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, No.10 Xitoutiao, You'anmen Wai, Fengtai District, Beijing, 100069, China
| | - H Y Gaisano
- Departments of Medicine and Physiology, University of Toronto, Toronto, ON, Canada
| | - Y He
- Department of Epidemiology and Health Statistics, School of Public Health, Capital Medical University, No.10 Xitoutiao, You'anmen Wai, Fengtai District, Beijing, 100069, China.
- Beijing Municipal Key Laboratory of Clinical Epidemiology, Beijing, China.
| | - J Sun
- Department of Endocrinology, Jining No. 1 People's Hospital, 6 Jiankang Road, Rencheng District, Jining, 272000, Shandong, China.
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Yu L, Yang M, Ye KX, Li C, Zou M, Wang J, Yuan X, Zheng D, Sun C, Zhang Y, Feng Q, Maier AB, Sun L, Feng L, Wang Y, Chen H, Zeng Y. Investigating the Impact of Tea Consumption on Cognitive Function and Exploring Tea-Genetic Interactions in Older Adults Aged 65-105 Years: Findings from the 2002-2018 CLHLS Data. J Prev Alzheimers Dis 2024; 11:769-779. [PMID: 38706293 DOI: 10.14283/jpad.2024.22] [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] [Indexed: 05/07/2024]
Abstract
BACKGROUND As the global population ages, cognitive impairment (CI) becomes more prevalent. Tea has been one of the most popular drinks in the world. Several studies have demonstrated that tea consumption has an impact on cognitive function. OBJECTIVE This study aims to examine the association between tea consumption and cognitive function and explore the potential effect of genetics on the relationship between tea consumption and CI risk in older adults. DESIGN This is a prospective longitudinal study using data from the Chinese Longitudinal Healthy Longevity Survey (CLHLS). SETTING Six waves of data from CLHLS containing 76,270 subjects were analyzed. Generalized estimation equations (GEE) with a logit link function were adopted to estimate the effect of tea consumption on CI risk from a cross-sectional and longitudinal perspective. PARTICIPANTS A population-based cohort of adults aged 65-105 years. MEASUREMENTS The frequency and type of tea consumption were obtained by questionnaires. CI was measured based on MMSE. Polygenic risk was measured using the polygenic score approach described by the International Schizophrenia. RESULTS The results showed that drinking green tea had a better protective effect on cognitive function than other types of tea, the incidence of CI gradually decreased with the increase of tea consumption frequency, and men were more likely to benefit from tea consumption. Additionally, we also found a significant interaction between tea consumption and genetic risk, measured by polygenic risk score (PRS). CONCLUSIONS Based on current research evidence, tea consumption, may be a simple and important measure for CI prevention.
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Affiliation(s)
- L Yu
- Yanyu Wang, Weifang Medical University, Weifang, China, ; Huashuai Chen, Yi Zeng, Center for Study of Aging and Human Development and Geriatrics Division, School of Medicine, Duke University, Durham, North Carolina, ;
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Zhang Y, Ye X, Ge J, Guo D, Zheng D, Yu H, Chen Y, Yao G, Lu Z, Yuille A, Lu L, Jin D, Yan S. Deep Learning-Based Multi-Modality Segmentation of Primary Gross Tumor Volume in CT and MRI for Nasopharyngeal Carcinoma. Int J Radiat Oncol Biol Phys 2023; 117:e498. [PMID: 37785566 DOI: 10.1016/j.ijrobp.2023.06.1739] [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: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) The delineation of primary gross tumor volume (GTV) of nasopharyngeal carcinoma (NPC) is an essential step for radiotherapy planning. In clinical practice, radiation oncologists manually delineate the GTV in planning CT with the help of diagnostic MRI. This is because NPC tumors are closely adjacent to many important anatomic structures, and CT and MRI provide complementary strength to accurately determine the tumor extension boundary. Manual delineation is time-consuming with the potential registration errors between MRI and CT decreasing the delineation accuracy. In this study, we propose a fully automated GTV segmentation method based on CT and MRI by first aligning MRI to CT, and then, segmenting the GTV using a multi-modality deep learning model. MATERIALS/METHODS We collected 104 nasopharyngeal carcinoma patients with both planning CT and diagnostic MRI scans (T1 & T2 phases). An experienced radiation oncologists manually delineated the GTV, which was further examined by another senior radiation oncologist. Then, a coarse to fine cross-modality registration from MRI to CT was conducted as follows: (1) A rigid transformation was performed on MRI to roughly align MRI to CT with similar anatomic position. (2) Then, the region of interest (RoI) on both CT and rigid-transformed MRI were cropped. (3) A leading cross-modality deformable registration algorithm, named DEEDS, was applied on the cropped MRI and CT RoIs to find an accurate local alignment. Next, using CT and registered MRI as the combined input, a multi-modality deep segmentation network based on nnUNet was trained to generate the GTV prediction. 20% patients were randomly selected as the unseen testing set to quantitatively evaluate the performance. RESULTS The quantitative NPC GTV segmentation performance is summarized in Table 1. The deep segmentation model using CT alone achieved reasonable high performance with 76.6% Dice score and 1.34mm average surface distance (ASD). When both CT and registered MRI were used, the segmentation model further improved the performance by 0.9% Dice score increase and 11% relative ASD error reduction, demonstrating the complementary strength of CT and MRI in determining NPC GTV. Notably, the achieved 77.5% Dice score and 1.19mm ASD by the multimodality model is among the top performing results reported in recent automatic NPC GTV segmentation using either CT or MRI modality. CONCLUSION We developed a fully automated multi-modal deep-learning model for NPC GTV segmentation. The developed model can segment the NPC GTV in high accuracy. With further optimization and validation, this automated model has potential to standardize the NPC GTV segmentation and significantly decrease the workload of radiation oncologists in clinical practice.
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Affiliation(s)
- Y Zhang
- Johns Hopkins University, Baltimore, MD
| | - X Ye
- Department of Radiation Oncology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - J Ge
- Department of Radiation Oncology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - D Guo
- Alibaba Group (US) Inc., New York, NY
| | - D Zheng
- Department of Radiation Oncology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - H Yu
- Department of Radiation Oncology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Y Chen
- Department of Radiation Oncology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - G Yao
- Department of Radiation Oncology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Z Lu
- Department of Radiation Oncology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - A Yuille
- Johns Hopkins University, Baltimore, MD
| | - L Lu
- Alibaba Group (US) Inc., New York, NY
| | - D Jin
- Alibaba Group (US) Inc., New York, NY
| | - S Yan
- Department of Radiation Oncology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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Wang P, Ge J, Zheng D, Zhu X, Liu J, Wu Y, Lu L, Yan S, Jin D, Ye X. Anatomy-Guided Deep Learning Model for Accurate and Robust Gross Tumor Volume Segmentation in Lung Cancer Radiation Therapy. Int J Radiat Oncol Biol Phys 2023; 117:e71. [PMID: 37786077 DOI: 10.1016/j.ijrobp.2023.06.803] [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: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) In lung cancer radiation therapy, clinicians must outline the gross tumor volume (GTV) precisely on the planning computed tomography (pCT) for accurate radiation dose delivery. However, due to the limited contrast between tumor and normal tissues in lung parenchyma, accurate delineation of tumor boundaries is difficult leading to large inter-observer variation. In this study, we develop an anatomy-guided lung GTV deep segmentation model using a training cohort of multi-center datasets. The quantitative segmentation performance is evaluated on an independent dataset, where the inter-observer delineation variation is also assessed. MATERIALS/METHODS We collected and curated four publicly available lung datasets with GTV annotations (Lung-PET-CT-Dx, LIDC-IDRI, NSCLC-Radiogenomics and RIDER-CT) for deep learning model development. A total of 871 CT scans of patients, who were diagnosed with T1-T4 NSCLC, were available for training after data curation. The GTV annotations of primary tumor were examined and edited by two experienced radiation oncologists following the RTOG 1106 protocol. An anatomy-guided deep learning model was proposed, which consisted two deep networks. The first deep network used CT scan as input and segmented 4 anatomic organs (airway, heart, pulmonary artery and pulmonary vein), while the second deep network took both CT scan and these pre-segmented 4 organs as input and segmented the lung GTV. With the help of anatomic priors from 4 pre-segmented organs, the second deep network could more easily locate the GTV. We used nnUNet as the deep segmentation network. For evaluation, we used NSCLC-Radiomics as the testing dataset, which contains 20 CT scans each annotated by 5 radiation oncologists. The auto-segmented GTV were compared against each of the manual GTV reference. Inter-observer variation was also assessed using the 5 manual GTV references. RESULTS The proposed anatomic-guided lung GTV segmentation model achieved a mean Dice score of 82.4% and 95% Hausdorff distance (HD95) of 6.9mm when averaged cross 20 patients and 5 GTV references (Table 1), which outperformed the basic deep GTV segmentation model by markedly reducing 19.4% HD95 error. The performance of proposed model was also comparable to the inter-observer variation (Dice score: 82.4% vs. 81.9%, HD95 6.9 vs. 6.4mm), indicating that our model had similar reproducibility as human observers. CONCLUSION We developed and tested an anatomy-guided deep learning model for segmenting GTV in NSCLC patients. The model achieves high quantitative segmentation performance, which is comparable to the human observer variation. It can be potentially used in radiotherapy practice to improve GTV delineation consistency and reduce workloads of radiation oncologists.
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Affiliation(s)
- P Wang
- Alibaba DAMO Academy, Hangzhou, Zhejiang, China
| | - J Ge
- Department of Radiation Oncology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - D Zheng
- Department of Radiation Oncology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - X Zhu
- The First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang, China
| | - J Liu
- The First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang, China
| | - Y Wu
- The First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang, China
| | - L Lu
- Alibaba Group (US) Inc., New York, NY
| | - S Yan
- Department of Radiation Oncology, the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - D Jin
- Alibaba Group (US) Inc., New York, NY
| | - X Ye
- Department of Radiation Oncology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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Zhao Y, Zheng D, Zhang L, Xie X, Liu D, Yu G. Recovery of gland function after endoscopy-assisted removal of impacted hilo-parenchymal stones in the Wharton's duct. Int J Oral Maxillofac Surg 2023; 52:553-559. [PMID: 36210232 DOI: 10.1016/j.ijom.2022.09.035] [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: 07/06/2022] [Revised: 09/01/2022] [Accepted: 09/29/2022] [Indexed: 04/09/2023]
Abstract
The aim of this study was to evaluate the gland function of patients following endoscopy-assisted removal of impacted hilo-parenchymal stones in the Wharton's duct. The study cohort comprised 115 patients who had undergone successful endoscopy-assisted lithotomy for hilo-parenchymal stones (mean diameter 7.7 mm). Gland function was evaluated at a mean 12 months after surgery using ultrasonography, sialography, and/or sialometry. Postoperative ultrasonography of 51 affected glands revealed a regular gland size in 58.8%, normal parenchyma density in 51.0%, and ductal ectasia in 80.4%. Postoperative sialograms of 109 affected glands were scored as type I (approximately normal) in 13 cases, type II (saccular ectasia of the hilo-parenchymal duct with/without stenosis, and no contrast retention) in 64, type III (saccular ectasia of the hilo-parenchymal duct with/without stenosis, and mild contrast retention) in 23, and type IV (poor shape of the main duct with evident contrast retention) in nine cases. The existence of ductal ectasia corresponded well to larger stone cases (P = 0.002). In the postoperative sialometry of 35 patients with unilateral stones, differences between the two sides were insignificant (P > 0.05). For patients with hilo-parenchymal submandibular gland stones, endoscopy-assisted surgery and extended postoperative follow-up help preserve the gland with good function.
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Affiliation(s)
- Y Zhao
- Department of Oral and Maxillofacial Radiology, Peking University School and Hospital of Stomatology, Beijing, PR China; Department of Radiology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Jinan, Shandong, PR China
| | - D Zheng
- Department of Oral and Maxillofacial Radiology, Peking University School and Hospital of Stomatology, Beijing, PR China
| | - L Zhang
- Department of Oral and Maxillofacial Radiology, Peking University School and Hospital of Stomatology, Beijing, PR China
| | - X Xie
- Department of Oral and Maxillofacial Radiology, Peking University School and Hospital of Stomatology, Beijing, PR China
| | - D Liu
- Department of Oral and Maxillofacial Radiology, Peking University School and Hospital of Stomatology, Beijing, PR China.
| | - G Yu
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, Beijing, PR China
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Zhang Y, Yi Y, Xiao X, Hu L, Xu J, Zheng D, Koc HC, Chan UI, Meng Y, Lu L, Liu W, Xu X, Shao N, Cheung ECW, Xu RH, Chen G. Definitive Endodermal Cells Supply an in vitro Source of Mesenchymal Stem/Stromal Cells. Commun Biol 2023; 6:476. [PMID: 37127734 PMCID: PMC10151361 DOI: 10.1038/s42003-023-04810-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 04/05/2023] [Indexed: 05/03/2023] Open
Abstract
Mesenchymal stem/Stromal cells (MSCs) have great therapeutic potentials, and they have been isolated from various tissues and organs including definitive endoderm (DE) organs, such as the lung, liver and intestine. MSCs have been induced from human pluripotent stem cells (hPSCs) through multiple embryonic lineages, including the mesoderm, neural crest, and extraembryonic cells. However, it remains unclear whether hPSCs could give rise to MSCs in vitro through the endodermal lineage. Here, we report that hPSC-derived, SOX17+ definitive endoderm progenitors can further differentiate to cells expressing classic MSC markers, which we name definitive endoderm-derived MSCs (DE-MSCs). Single cell RNA sequencing demonstrates the stepwise emergence of DE-MSCs, while endoderm-specific gene expression can be elevated by signaling modulation. DE-MSCs display multipotency and immunomodulatory activity in vitro and possess therapeutic effects in a mouse ulcerative colitis model. This study reveals that, in addition to the other germ layers, the definitive endoderm can also contribute to MSCs and DE-MSCs could be a cell source for regenerative medicine.
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Affiliation(s)
- Yumeng Zhang
- Centre of Reproduction, Development and Aging, Faculty of Health Sciences, University of Macau, Macau SAR, China
- Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macau SAR, China
| | - Ye Yi
- Centre of Reproduction, Development and Aging, Faculty of Health Sciences, University of Macau, Macau SAR, China
- Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macau SAR, China
| | - Xia Xiao
- Centre of Reproduction, Development and Aging, Faculty of Health Sciences, University of Macau, Macau SAR, China
- Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macau SAR, China
| | - Lingling Hu
- Cancer Centre, Faculty of Health Sciences, University of Macau, Macau SAR, China
| | - Jiaqi Xu
- Centre of Reproduction, Development and Aging, Faculty of Health Sciences, University of Macau, Macau SAR, China
- Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macau SAR, China
| | - Dejin Zheng
- Centre of Reproduction, Development and Aging, Faculty of Health Sciences, University of Macau, Macau SAR, China
- Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macau SAR, China
| | - Ho Cheng Koc
- Centre of Reproduction, Development and Aging, Faculty of Health Sciences, University of Macau, Macau SAR, China
- Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macau SAR, China
| | - Un In Chan
- Cancer Centre, Faculty of Health Sciences, University of Macau, Macau SAR, China
| | - Ya Meng
- Centre of Reproduction, Development and Aging, Faculty of Health Sciences, University of Macau, Macau SAR, China
- Zhuhai Precision Medical Center, Zhuhai People's Hospital, Jinan University, Zhuhai, Guangdong, China
| | - Ligong Lu
- Zhuhai Precision Medical Center, Zhuhai People's Hospital, Jinan University, Zhuhai, Guangdong, China
| | - Weiwei Liu
- Centre of Reproduction, Development and Aging, Faculty of Health Sciences, University of Macau, Macau SAR, China
- Biological Imaging and Stem Cell Core Facility, Faculty of Health Sciences, University of Macau, Macau SAR, China
- MoE Frontiers Science Center for Precision Oncology, University of Macau, Macau SAR, China
| | - Xiaoling Xu
- Cancer Centre, Faculty of Health Sciences, University of Macau, Macau SAR, China
- MoE Frontiers Science Center for Precision Oncology, University of Macau, Macau SAR, China
| | - Ningyi Shao
- Centre of Reproduction, Development and Aging, Faculty of Health Sciences, University of Macau, Macau SAR, China
- MoE Frontiers Science Center for Precision Oncology, University of Macau, Macau SAR, China
| | - Edwin Chong Wing Cheung
- Cancer Centre, Faculty of Health Sciences, University of Macau, Macau SAR, China
- MoE Frontiers Science Center for Precision Oncology, University of Macau, Macau SAR, China
| | - Ren-He Xu
- Centre of Reproduction, Development and Aging, Faculty of Health Sciences, University of Macau, Macau SAR, China.
- Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macau SAR, China.
- MoE Frontiers Science Center for Precision Oncology, University of Macau, Macau SAR, China.
| | - Guokai Chen
- Centre of Reproduction, Development and Aging, Faculty of Health Sciences, University of Macau, Macau SAR, China.
- Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macau SAR, China.
- MoE Frontiers Science Center for Precision Oncology, University of Macau, Macau SAR, China.
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Cai W, Lin C, Zheng D, Xie H. [Prevalence of Anisakise infections in marine fishes in Eastern Fujian Fishing Ground of Fujian Province]. Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2023; 35:78-81. [PMID: 36974019 DOI: 10.16250/j.32.1374.2022119] [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] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
Abstract
OBJECTIVE To investigate the prevalence of Anisakis infection in marine fishes in Eastern Fujian Fishing Ground of Fujian Province, so as to provide insights into the development of the anisakiasis control strategy. METHODS Marine fish samples were randomly collected from Jiaocheng District, Fuding City and Xiapu County around Eastern Fujian Fishing Ground in Fujian Province from September to December, 2021. All fishes were dissected, and the abdominal contents were collected. Parasites were sampled under a stereomicroscope and the Anisakis species were identified through morphology. The prevalence and intensity of Anisakis infections were calculated. RESULTS A total of 177 marine fishes belonging to 24 species were dissected, and Anisakis was detected in 73 marine fishes (41.2%) belonging to 16 species (66.7%), with a mean infection intensity of 14.3 parasites per fish. High prevalence of Anisakis infection was found in Ilisha elongata (5/5), Miichthys miiuy (3/3), Plectorhynchus cinctus (2/2), Scomberomorus niphonius (12/13), Trichiurus lepturus (19/23), Pennahia argentata (6/11) and Ditrema temmincki (14/27), with mean infection intensities of 9.2, 2.7, 4.5, 10.9, 39.2, 4.5 parasites per fish and 2.1 parasites per fish. The Anisakis larvae were characterized as Anisakis and Hysterothylacium. CONCLUSIONS High prevalence of Anisakis infection is detected in marine fishes in Eastern Fujian Fishing Ground of Fujian Province. The health education pertaining to food health is required to be reinforced to prevent the development of human anisakiasis.
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Affiliation(s)
- W Cai
- Fujian Center for Disease Control and Prevention, Fujian Key Laboratory of Zoonosis Research, Fuzhou, Fujian 350012, China
| | - C Lin
- Fujian Center for Disease Control and Prevention, Fujian Key Laboratory of Zoonosis Research, Fuzhou, Fujian 350012, China
| | - D Zheng
- Fujian Center for Disease Control and Prevention, Fujian Key Laboratory of Zoonosis Research, Fuzhou, Fujian 350012, China
| | - H Xie
- Fujian Center for Disease Control and Prevention, Fujian Key Laboratory of Zoonosis Research, Fuzhou, Fujian 350012, China
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9
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Zheng D, Zhu MX, Ma L, Li QH, Dong F, Wang J, Jing HM. [Shwachman-Diamond syndrome combined with acute leukemia of ambiguous lineage: a case report]. Zhonghua Nei Ke Za Zhi 2023; 62:196-199. [PMID: 36740411 DOI: 10.3760/cma.j.cn112138-20220615-00449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- D Zheng
- Department of Hematology, Peking University Third Hospital, Beijing 100191, China
| | - M X Zhu
- Department of Hematology, Peking University Third Hospital, Beijing 100191, China
| | - L Ma
- Department of Hematology, Peking University Third Hospital, Beijing 100191, China
| | - Q H Li
- Department of Hematology, Peking University Third Hospital, Beijing 100191, China
| | - F Dong
- Department of Hematology, Peking University Third Hospital, Beijing 100191, China
| | - J Wang
- Department of Hematology, Peking University Third Hospital, Beijing 100191, China
| | - H M Jing
- Department of Hematology, Peking University Third Hospital, Beijing 100191, China
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Liu JR, Gu JL, Huang BH, Kuang LF, Chen ML, Zou WY, Zheng D, Wang HH, Xu DR, Li J. [New agents-based induction chemotherapy followed by autologous stem cell transplantation and maintenance treatment strategy for multiple myeloma: a single center retrospective study of 300 cases]. Zhonghua Xue Ye Xue Za Zhi 2022; 43:1003-1009. [PMID: 36709105 PMCID: PMC9939329 DOI: 10.3760/cma.j.issn.0253-2727.2022.12.005] [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] [Grants] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Indexed: 01/30/2023]
Abstract
Objective: To examine the survival and influential factors of an integrated approach of novel agents, autologous hematopoietic stem cell (auto-HSCT) , and maintenance therapy in patients with multiple myeloma (MM) patients from a single center over the past 15 years. Methods: In our center, 300 MM patients who received an integrated strategy of new agents, auto-HSCT, and maintenance therapy over 15 years were retrospectively and prospectively analyzed. Results: The complete remission rates (CR) and ≥very good partial remission rates (VGPR) following induction therapy, transplantation, and maintenance therapy were respectively 35.3% and 55.2% , 72.4% and 80.0% , 89.2% , and 93.4% . When compared to patients receiving double-drug induction, the ≥VGPR and ORR of patients receiving triple-drug induction were improved. No difference existed in CR, ≥VGPR, and ORR between the PAD (bortezomib + liposome doxorubicin+ dexamethasone) and RAD (lenalidomide + liposome doxorubicin + dexamethasone) regimens, but the benefits speed differed. The negative rate of flow minimal residual disease following induction, transplantation, and maintenance was 18.8% (54 cases) , 41.4% (109 cases) , and 58.7% (142 cases) , respectively. The median time to progress (TTP) was 78.7 months and the median overall survival (OS) was 109 months. The median TTP for RISS-Ⅰ-Ⅲ patients were 111.8 months, 77.4 months, and 30.6 months, and the median OS was 118.8 months, 91.4 months, and 48.5 months, respectively. At various points during treatment, the TTP and OS of patients obtaining CR and MRD negative were longer than those of patients who did not obtain CR and MRD negative. TTP was noticeably shorter in high-risk cytogenetic patients compared to standard-risk patients even when CR was acquired during induction. There was no difference in TTP between patients with high-risk cytogenetics and those with standard-risk cytogenetics if MRD negative was acquired during induction. According to a multivariate analysis, the R-ISS stage was a poor predictor of TTP and OS at various treatment intervals. Therapeutic effectiveness was a newly independent prognostic factor following treatment. Conclusion: A median survival of almost 10 years is possible for MM patients who receive an integrated strategy of induction regimens followed by auto-HSCT and maintenance therapy, which significantly improves prognosis. However, this approach did not significantly benefit high-risk cytogenetic MM patients.
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Affiliation(s)
- J R Liu
- Department of Hematology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - J L Gu
- Department of Hematology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - B H Huang
- Department of Hematology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - L F Kuang
- Department of Hematology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - M L Chen
- Department of Hematology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - W Y Zou
- Department of Hematology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - D Zheng
- Department of Hematology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - H H Wang
- Department of Hematology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - D R Xu
- Department of Hematology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - J Li
- Department of Hematology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
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11
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Tong C, Li Q, Kong L, Ni X, Halengbieke A, Zhang S, Wu Z, Tao L, Han Y, Zheng D, Guo X, Yang X. Sex-specific metabolic risk factors and their trajectories towards the non-alcoholic fatty liver disease incidence. J Endocrinol Invest 2022; 45:2233-2245. [PMID: 35896944 DOI: 10.1007/s40618-022-01848-w] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 06/21/2022] [Indexed: 11/28/2022]
Abstract
PURPOSE Non-alcoholic fatty liver disease (NAFLD) is a common chronic liver disease. This study examined sex-specific associations between NAFLD and metabolic factors and investigated the trajectory of risk factors. METHODS We retrospectively investigated 16,140 individuals from Beijing Health Management Cohort. Univariate and multivariate time-dependent Cox regression analyses were performed to identify independent risk factors for new-onset NAFLD. The trajectory of risk factors was investigated using the latent growth curve model and growth mixture model. RESULTS Over a median follow-up of 3.15 years, 2,450 (15.18%) participants developed NAFLD. The risk factors for NAFLD in men were increased body mass index (BMI); waist circumference (WC); triglyceride (TG), low-density lipoprotein cholesterol (LDL-C), haemoglobin (Hb), and serum uric acid (SUA) levels; and platelet (PLT) count and decreased serum creatinine-to-body weight (sCr/bw) and high-density lipoprotein cholesterol (HDL-C) levels. In women, the risk factors were increased BMI, WC, and fasting plasma glucose (FPG), TG, LDL-C, SUA, white blood cell (WBC), and PLT and decreased sCr/bw and HDL-C levels. In addition, BMI, LDL-C, sCr/bw and PLT changing trajectories were associated with NAFLD in men; BMI, WC, TG, LDL-C, SUA and sCr/bw trends was associated with NAFLD risk in women. CONCLUSIONS Development of NAFLD is associated with BMI, LDL-C, sCr/bw and PLT changing trajectories in men; BMI, WC, TG, LDL-C, SUA and sCr/bw trends are associated an increased risk of NAFLD in women. Deterioration of metabolic risk factors status can be a predictor of NAFLD many years before its occurrence.
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Affiliation(s)
- C Tong
- School of Public Health, Capital Medical University, 10 Xitoutiao, Youanmen, Fengtai District, Beijing, 100069, China
- Beijing Municipal Key Laboratory of Clinical Epidemiology, No. 10 Xitoutiao, Youanmen, Fengtai District, Beijing, 100069, China
| | - Q Li
- Science and Education Section, Beijing Physical Examination Center, No. 59, Beiwei Road, Xicheng district, Beijing, China
| | - L Kong
- Information Center, Beijing Physical Examination Center, No. 59, Beiwei Road, Xicheng district, Beijing, China
| | - X Ni
- School of Public Health, Capital Medical University, 10 Xitoutiao, Youanmen, Fengtai District, Beijing, 100069, China
- Beijing Municipal Key Laboratory of Clinical Epidemiology, No. 10 Xitoutiao, Youanmen, Fengtai District, Beijing, 100069, China
| | - A Halengbieke
- School of Public Health, Capital Medical University, 10 Xitoutiao, Youanmen, Fengtai District, Beijing, 100069, China
- Beijing Municipal Key Laboratory of Clinical Epidemiology, No. 10 Xitoutiao, Youanmen, Fengtai District, Beijing, 100069, China
| | - S Zhang
- Medical Records Statistics Office, Peking University First Hospital, Beijing, 100034, China
| | - Z Wu
- School of Public Health, Capital Medical University, 10 Xitoutiao, Youanmen, Fengtai District, Beijing, 100069, China
- Beijing Municipal Key Laboratory of Clinical Epidemiology, No. 10 Xitoutiao, Youanmen, Fengtai District, Beijing, 100069, China
| | - L Tao
- School of Public Health, Capital Medical University, 10 Xitoutiao, Youanmen, Fengtai District, Beijing, 100069, China
- Beijing Municipal Key Laboratory of Clinical Epidemiology, No. 10 Xitoutiao, Youanmen, Fengtai District, Beijing, 100069, China
| | - Y Han
- Science and Education Section, Beijing Physical Examination Center, No. 59, Beiwei Road, Xicheng district, Beijing, China
| | - D Zheng
- School of Public Health, Capital Medical University, 10 Xitoutiao, Youanmen, Fengtai District, Beijing, 100069, China
- Beijing Municipal Key Laboratory of Clinical Epidemiology, No. 10 Xitoutiao, Youanmen, Fengtai District, Beijing, 100069, China
| | - X Guo
- School of Public Health, Capital Medical University, 10 Xitoutiao, Youanmen, Fengtai District, Beijing, 100069, China
- Beijing Municipal Key Laboratory of Clinical Epidemiology, No. 10 Xitoutiao, Youanmen, Fengtai District, Beijing, 100069, China
| | - X Yang
- School of Public Health, Capital Medical University, 10 Xitoutiao, Youanmen, Fengtai District, Beijing, 100069, China.
- Beijing Municipal Key Laboratory of Clinical Epidemiology, No. 10 Xitoutiao, Youanmen, Fengtai District, Beijing, 100069, China.
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Tanny S, Sperling N, Zheng D, Lemus OD, Joyce N, Jr HQ, Cummings M. Tracking OAR Volume and DVH Variability in the Initial Cohort of Pelvic Patients Treated with CBCT-Guided, Online Adaptive Therapy. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.2290] [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: 11/28/2022]
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Abstract
Type 1 diabetes most commonly presents in adulthood, contrary to the widely held view that it is a disease of childhood. Furthermore, a substantial proportion of cases of adult-onset type 1 diabetes does not require insulin therapy at clinical onset. Recent studies have emphasised the evidence that adult-onset type 1 diabetes is prevalent but often misclassified initially as type 2 diabetes (1, 2). In this review, we discuss that recent literature, highlighting the similarities and differences between adult-onset and childhood-onset type 1 diabetes, exploring recent debates surrounding its epidemiology and genetics, as well as expanding on important issues of diagnostic criteria for individuals presenting with adult-onset diabetes and the subsequent management once identified as having an autoimmune basis. In addition, this review looks at the psychosocial challenges faced by T1D patients and their possible management.
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Affiliation(s)
- J Burahmah
- Blizard Institute, Queen Mary, London, UK
| | - D Zheng
- Blizard Institute, Queen Mary, London, UK
| | - R D Leslie
- Blizard Institute, Queen Mary, London, UK.
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14
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Zheng D, Chiang C, Lam TC, Chan S, Lee A, Kong F. 666P Circulating CX3CR1+CD8 T and Th17 cells and immunotherapy response in recurrent or metastatic NPC. Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.07.790] [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] Open
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15
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Zeng H, Zheng D, Witlox W, Levy A, Traverso A, Kong FM, Houben R, De Ruysscher D, Hendriks L. EP14.01-014 Risk Factors for Brain Metastasis in Patients with Small Cell Lung Cancer: A Systematic Review and Meta-analysis. J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.950] [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: 11/15/2022]
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16
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Zhang X, Zheng D, Huang Q. Regarding "Brain Perfusion Alterations on 3D Pseudocontinuous Arterial Spin-Labeling MR Imaging in Patients with Autoimmune Encephalitis: A Case Series and Literature Review". AJNR Am J Neuroradiol 2022; 43:E36-E37. [PMID: 36007948 PMCID: PMC9451636 DOI: 10.3174/ajnr.a7563] [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] [Indexed: 01/26/2023]
Affiliation(s)
- X Zhang
- Department of RadiologyNanjing Brain Hospital, Nanjing Medical UniversityJiangning District, Nanjing, China
| | - D Zheng
- Department of RadiologyNanjing Brain Hospital, Nanjing Medical UniversityJiangning District, Nanjing, China
| | - Q Huang
- Department of RadiologyNanjing Brain Hospital, Nanjing Medical UniversityJiangning District, Nanjing, China
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17
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Flora P, Li M, Zheng D, Ezhkova E. 722 Repressive epigenetic mechanisms mediated by PRC1 safeguards adult hair follicle stem cell quiescence. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.05.734] [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: 10/17/2022]
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18
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Li M, Flora P, Pu H, Bar C, Silva J, Cohen I, Galbo P, Liu H, Yu X, Jin J, Koseki H, D’Orazio J, Zheng D, Ezhkova E. 712 UV-induced reduction in polycomb repression promotes epidermal pigmentation. J Invest Dermatol 2022. [DOI: 10.1016/j.jid.2022.05.724] [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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Zheng D, Wang X, Zhang Z, Li E, Yeung C, Borkar R, Qin G, Wu Y, Xu RH. Engineering of human mesenchymal stem cells resistant to multiple natural killer subtypes. Int J Biol Sci 2022; 18:426-440. [PMID: 34975342 PMCID: PMC8692142 DOI: 10.7150/ijbs.64640] [Citation(s) in RCA: 4] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 10/25/2021] [Indexed: 12/04/2022] Open
Abstract
Mesenchymal stem cells (MSCs) as a therapeutic promise are often quickly cleared by innate immune cells of the host including natural killer (NK) cells. Efforts have been made to generate immune-escaping human embryonic stem cells (hESCs) where T cell immunity is evaded by defecting β-2-microglobulin (B2M), a common unit for human leukocyte antigen (HLA) class I, and NK cells are inhibited via ectopic expression of HLA-E or -G. However, NK subtypes vary among recipients and even at different pathologic statuses. It is necessary to dissect and optimize the efficacy of the immune-escaping cells against NK subtypes. Here, we first generated B2M knockout hESCs and differentiated them to MSCs (EMSCs) and found that NK resistance occurred with B2M-/- EMSCs expressing HLA-E and -G only when they were transduced via an inducible lentiviral system in a dose-dependent manner but not when they were inserted into a safe harbor. HLA-E and -G expressed at high levels together in transduced EMSCs inhibited three major NK subtypes, including NKG2A+/LILRB1+, NKG2A+/LILRB1-, and NKG2A-/LILRB1+, which was further potentiated by IFN-γ priming. Thus, this study engineers MSCs with resistance to multiple NK subtypes and underscores that dosage matters when a transgene is used to confer a novel effect to host cells, especially for therapeutic cells to evade immune rejection.
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Affiliation(s)
- Dejin Zheng
- Center of Reproduction, Development & Aging, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau, China.,Ministry of Education Frontiers Science Center for Precision Oncology, University of Macau, Taipa, Macau, China
| | - Xiaoyan Wang
- Center of Reproduction, Development & Aging, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau, China.,Ministry of Education Frontiers Science Center for Precision Oncology, University of Macau, Taipa, Macau, China
| | - Zhenwu Zhang
- Center of Reproduction, Development & Aging, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau, China.,Ministry of Education Frontiers Science Center for Precision Oncology, University of Macau, Taipa, Macau, China.,School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Enqin Li
- Center of Reproduction, Development & Aging, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau, China.,Ministry of Education Frontiers Science Center for Precision Oncology, University of Macau, Taipa, Macau, China
| | - Cheungkwan Yeung
- Center of Reproduction, Development & Aging, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau, China.,Ministry of Education Frontiers Science Center for Precision Oncology, University of Macau, Taipa, Macau, China
| | - Roma Borkar
- Center of Reproduction, Development & Aging, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau, China.,Ministry of Education Frontiers Science Center for Precision Oncology, University of Macau, Taipa, Macau, China
| | - Guihui Qin
- Center of Reproduction, Development & Aging, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau, China.,Ministry of Education Frontiers Science Center for Precision Oncology, University of Macau, Taipa, Macau, China
| | - Yaojiong Wu
- The Shenzhen Key Laboratory of Health Sciences and Technology, International Graduate School at Shenzhen, Tsinghua University, Shenzhen, China
| | - Ren-He Xu
- Center of Reproduction, Development & Aging, and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau, China.,Ministry of Education Frontiers Science Center for Precision Oncology, University of Macau, Taipa, Macau, China
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Ma J, Zhang J, Yang Y, Zheng D, Wang X, Liang H, Zhang L, Xin Y, Ling X, Fang C, Jiang H, Meng H, Zheng W. 65P Camrelizumab combined with paclitaxel and nedaplatin as neoadjuvant therapy for locally advanced esophageal squamous cell carcinoma (ESPRIT): A phase II, single-arm, exploratory research. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.10.083] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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21
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Zhou S, Yan Y, Zheng D, Wang S, Wisnoskie S, Umstadter D. A Modified Lethal and Potentially Lethal Model With Explicit Oxygen Tension Dependence for FLASH RT. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.792] [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: 11/28/2022]
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22
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Zeng H, De Ruysscher D, Hu X, Zheng D, Yang L, Kong F, Hendriks L. P63.12 Radiotherapy for Small Cell Lung Cancer in Current Clinical Practice Guidelines. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.668] [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: 11/24/2022]
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23
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Yue JC, Wu QP, Zhou N, Zhang K, Zheng D, Lü GL, Cheng JD. Correlation between Abdominal Wall Subcutaneous Fat Thickness and Heart Weight in Southern Chinese Population. Fa Yi Xue Za Zhi 2021; 37:351-357. [PMID: 34379904 DOI: 10.12116/j.issn.1004-5619.2021.410204] [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] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Indexed: 11/30/2022]
Abstract
Abstract Objective To study the correlation between the abdominal wall subcutaneous fat thickness and heart weight, so as to provide reference for prediction methods of normal range of heart weight that is suitable for autopsy in China. Methods The forensic pathology autopsy cases accepted by Center for Medicolegal Expertise of Sun Yat-sen University from 1998 to 2017 were collected. Then the exclusion criteria were determined, and according to them the total case group was selected, and the 6 disease groups and the normal group were further selected from the total case group. The rank sum test was used to compare the heart weight of the normal group and the disease groups to determine the influence of diseases on heart weight. Then the Spearman rank correlation analysis of abdominal wall subcutaneous fat thickness and heart weight in different genders and different ages in the total case group and the normal group was conducted to get the correlation coefficient (rs). Results In the total case group, correlation between abdominal wall subcutaneous fat thickness and heart weight was shown in males of all ages (P<0.05); while in females, the correlation had no statistical significance (P>0.05) in 15-<20 age and 50-<60 age, but was statistically significant (P<0.05) in other age groups. For the males in the normal group, rs was respectively 0.411, 0.541 and 0.683 in the 15-<40 age, the 40-<60 age, and the ≥60 age. For the females, rs was respectively 0.249 and 0.317 in the 15-<40 age and the 40-<60 age. The correlation in the ≥60 age had no statistical significance(P>0.05). Conclusion In the general population and the normal population, abdominal wall subcutaneous fat thickness is correlated with the heart weight of males. It is of significance to include the abdominal wall subcutaneous fat thickness in the prediction of normal range of heart weight for males in China.
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Affiliation(s)
- J C Yue
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - Q P Wu
- Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - N Zhou
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - K Zhang
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - D Zheng
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - G L Lü
- Guangzhou Forensic Science Institute, Guangzhou 510030, China
| | - J D Cheng
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
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24
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Zhang LY, Zheng D, Jing SS, Zhang XK, Chang PC, Yang J, Pei JQ, Du HG, Song JY, Qin MX, Dang ZJ, Wang ZA, Chai KQ. [A comparative study of transperitoneal transmesenteric approach versus paracolic sulci approach laparoscopic adrenal tumorectomy for treatment of primary hyperaldosteronism on left side]. Zhonghua Yi Xue Za Zhi 2021; 101:1513-1517. [PMID: 34044519 DOI: 10.3760/cma.j.cn112137-20210208-00385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To compare the therapeutic effect of transperitoneal transmesenteric approach versus paracolic sulci approach laparoscopic adrenal tumorectomy for treatment of left-sided primary hyperaldosteronism. Methods: From January 2017 to July 2019, the clinical data of 70 patients with left-sided primary hyperaldosteronism (PHA) who underwent surgery in the First Hospital of Lanzhou University and five other hospitals in Gansu Province were retrospectively analyzed. There are 43 male and 27 female patients. Among them,28 patients were performed transperitoneal transmesenteric approach laparoscopic adrenal tumorectomy and 42 patients were performed transperitoneal paracolic sulci approach laparoscopic adrenal tumorectomy. The general information and perioperative data of the two groups were compared. Results: All 70 cases of surgery were successfully completed. As compared with the paracolic sulci approach group, the operation time was significantly shorter in the transmesenteric approach group[(26.7±8.8)vs (38.9±7.1)min,P<0.001)], and the estimated blood loss was less in the transmesenteric approach group[45(30,50) vs 50(40,60)ml,P=0.042]. There was no statistically significant difference in the postoperative hospitalization days between the two groups[(4.4±1.0)vs(4.5±1.0)d, P=0.669)]. The electrolytes and aldosterone to renin ratio returned to a healthy level in the postoperative one month, and the blood pressure also returned to a healthy level in 53 (75.7%) patients. Conclusion: Transperitoneal transmesenteric approach laparoscopic adrenal tumorectomy is safe and feasible, with a short operation time and relatively less estimated blood loss.
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Affiliation(s)
- L Y Zhang
- Department of Urology No.2, the First Hospital of Lanzhou University, Lanzhou 730030, China
| | - D Zheng
- Department of Urology No.2, the First Hospital of Lanzhou University, Lanzhou 730030, China
| | - S S Jing
- Department of Urology No.2, the First Hospital of Lanzhou University, Lanzhou 730030, China
| | - X K Zhang
- Department of Urology No.2, the First Hospital of Lanzhou University, Lanzhou 730030, China
| | - P C Chang
- Department of Urology No.2, the First Hospital of Lanzhou University, Lanzhou 730030, China
| | - J Yang
- Department of Urology No.2, the First Hospital of Lanzhou University, Lanzhou 730030, China
| | - J Q Pei
- Department of Urology, Jiu Gang Hospital, Jiayuguan 735100, China
| | - H G Du
- Department of Urology, Jiu Gang Hospital, Jiayuguan 735100, China
| | - J Y Song
- Department of Urology, Jinchuan Group Staff Hospital, Jinchang 737100, China
| | - M X Qin
- Department of Urology, Jinchuan Group Staff Hospital, Jinchang 737100, China
| | - Z J Dang
- Department of Urology, Yumen First People's Hospital, Yumen 735211, China
| | - Z A Wang
- Department of Urology, Jiuquan Second People's Hospital, Jiuquan 735000, China
| | - K Q Chai
- Department of Urology, Baiyin First People's Hospital, Baiyin 730900, China
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Liang C, Van Laar Veth AJ, Li Q, Zheng D, Hackett ML. Effect of mood on long-term disability in younger stroke survivors: results from the Psychosocial Outcomes In StrokE (POISE) study. Top Stroke Rehabil 2021; 29:286-294. [PMID: 34018471 DOI: 10.1080/10749357.2021.1922802] [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: 10/21/2022]
Abstract
Background & Purpose: Anxiety and depression are common among stroke survivors, and their effect on long-term outcome remains unknown in those under 65 years of age. We investigated the association between early anxiety/depression after stroke and 12-month disability, and whether this is modified by sex.Methods: The Psychosocial Outcomes In StrokE (POISE) study was a prospective observational cohort study that recruited 441 younger (< 65 years) stroke survivors ≤28 days of acute stroke. Anxiety and depression were assessed using the Hospital Anxiety and Depression Scale, and disability using the World Health Organization Disability Assessment Scale version II (WHODAS-II). Associations between baseline anxiety/depression, and disability at 12-months was tested using analysis of covariance. Subgroup analysis was conducted using interaction term.Results: 92 (25%) had anxiety and 53 (14%) depression at baseline. Multivariable models showed significant association between baseline anxiety and 12-month disability (WHODAS-II score 15.24 vs. 11.49, p < .05). Those with anxiety had more impairment in 'cognition' (WHODAS-II score 18.26 vs. 8.71, p < .001), 'getting along' (WHODAS-II score 11.87 vs. 7.42, p < .05) and 'participation' (WHODAS-II score 22.37 vs. 15.92, p < .005) WHODAS-II. No significant relationship was found between baseline depression and long-term disability. There was no differential effect of anxiety by sex found in this study.Conclusions: Post-stroke anxiety has an adverse effect on disability at one year among young stroke survivors.
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Affiliation(s)
- C Liang
- Faculty of Medicine and Health, University of Sydney, Sydney, Australia
| | - A J Van Laar Veth
- Faculty of Medicine and Health, University of Sydney, Sydney, Australia
| | - Q Li
- The George Institute for Global Health, Faculty of Medicine, University of New South Wales, Sydney, Australia
| | - D Zheng
- The George Institute for Global Health, Faculty of Medicine, University of New South Wales, Sydney, Australia.,Translational Australian Clinical Toxicology program, Biomedical Informatics in Digital Health, Faculty of Medicine and Health, University of Sydney, Sydney, Australia
| | - M L Hackett
- The George Institute for Global Health, Faculty of Medicine, University of New South Wales, Sydney, Australia.,Faculty of Health and Wellbeing, University of Central Lancashire, Preston, Lancashire, UK
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Wang J, Shu J, Wu F, Song ZT, Gan HY, Yu J, Zheng D. [A case of congenital hepatic fibrosis diagnosed and treated by transjugular intrahepatic portosystemic shunt]. Zhonghua Gan Zang Bing Za Zhi 2021; 29:373-376. [PMID: 33979966 DOI: 10.3760/cma.j.cn501113-20190527-00190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- J Wang
- Department of Gastroenterology, the Central Hospital of Wuhan, Tongji Medical College of Huazhong University of Science & Technology, Wuhan 430000, China
| | - J Shu
- Department of Gastroenterology, the Central Hospital of Wuhan, Tongji Medical College of Huazhong University of Science & Technology, Wuhan 430000, China
| | - F Wu
- Department of Gastroenterology, the Central Hospital of Wuhan, Tongji Medical College of Huazhong University of Science & Technology, Wuhan 430000, China
| | - Z T Song
- Department of Gastroenterology, the Central Hospital of Wuhan, Tongji Medical College of Huazhong University of Science & Technology, Wuhan 430000, China
| | - H Y Gan
- Department of Gastroenterology, the Central Hospital of Wuhan, Tongji Medical College of Huazhong University of Science & Technology, Wuhan 430000, China
| | - J Yu
- Department of Gastroenterology, the Central Hospital of Wuhan, Tongji Medical College of Huazhong University of Science & Technology, Wuhan 430000, China
| | - D Zheng
- Department of Gastroenterology, the Central Hospital of Wuhan, Tongji Medical College of Huazhong University of Science & Technology, Wuhan 430000, China
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Pang S, Bhuvan T, Zheng D, Mendonca S, D’Rozario J, Powell D, Heng T. Immunometabolic changes in resident macrophages underlie msc therapeutic effects. Cytotherapy 2021. [DOI: 10.1016/s1465324921003613] [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: 11/28/2022]
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Wang YY, Zhou N, Yue JC, Zhang K, Zhao QH, Zheng D, Hu BJ, Cheng JD. Review and Prospects of Pathogen Detection Related to Autopsy of Coronavirus Infectious Diseases. Fa Yi Xue Za Zhi 2021; 37:69-76. [PMID: 33780188 DOI: 10.12116/j.issn.1004-5619.2020.400328] [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] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Indexed: 11/30/2022]
Abstract
Abstract In the past, coronavirus caused two serious human-to-human pandemics in the world, including severe acute respiratory syndrome (SARS) and Middle East respiratory syndrome (MERS). In late 2019, coronavirus disease 2019 (COVID-19) caused another major global public health event. Due to the strong infectivity of novel coronavirus, it is difficult to carry out the autopsy of related death cases widely. This paper reviews the previous status of the pathogen detection related to the autopsy of coronavirus infection diseases, and introduces the ongoing detection methods of novel coronavirus in clinical practice, in order to provide reference for the pathogen detection and study related to autopsy of COVID-19.
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Affiliation(s)
- Y Y Wang
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - N Zhou
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - J C Yue
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - K Zhang
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - Q H Zhao
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - D Zheng
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - B J Hu
- Department of Pathology, Guangzhou Medical University, Guangzhou 511436, China
| | - J D Cheng
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
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Borkar R, Wang X, Zheng D, Miao Z, Zhang Z, Li E, Wu Y, Xu RH. Human ESC-derived MSCs enhance fat engraftment by promoting adipocyte reaggregation, secreting CCL2 and mobilizing macrophages. Biomaterials 2021; 272:120756. [PMID: 33798959 DOI: 10.1016/j.biomaterials.2021.120756] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [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: 05/30/2020] [Revised: 02/10/2021] [Accepted: 02/25/2021] [Indexed: 12/15/2022]
Abstract
Mesenchymal stem cells (MSCs) derived from somatic tissues have been used to promote lipotransfer, a common practice in cosmetic surgery. However, the effect of lipotransfer varies, and the mechanism of action remains vague. To address these questions, we differentiated human embryonic stem cells, a stable and unlimited source, into MSCs (EMSCs). Then we subcutaneously transplanted human fat aspirates together with EMSCs or PBS as a control into the back of nude mice. Within 24 h of transplantation, EMSCs promoted aggregation and encapsulation of injected fat tissues. Afterward, all grafts gradually shrank. However, EMSC-containing grafts were larger, heavier and had fewer dark areas on the surface than the control grafts. Histologically, more live adipocytes, vascular cells, and macrophages and less fibrosis were observed in EMSC-containing grafts than in the controls. Some EMSCs differentiated into vascular cells and adipocytes in the EMSC-containing grafts. RNA sequencing revealed that human RNA was shown to decline rapidly, while mouse RNA increased in the grafts; further, human genes related to extracellular matrix remodeling, adipogenesis, and chemokine (including CCL2) signaling were expressed at higher levels in the EMSC-containing grafts than they were in the controls. CCL2 knockout reduced macrophage migration towards EMSCs in vitro and early macrophage recruitment to the grafts and the pro-engraftment effect of EMSCs in vivo. Treating mice with a macrophage inhibitor abolished the EMSC effects and converted the grafts to heavy masses of cell debris. Together, these data demonstrate that EMSCs promote fat engraftment via enhanced tissue reconstitution and encapsulation of implanted tissues, which was followed by increased angiogenesis and adipocyte survival and reduced fibrosis, in which stimulated CCL2 signaling and mobilized macrophages play pivotal roles.
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Affiliation(s)
- Roma Borkar
- Center of Reproduction, Development & Aging, And Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau, China
| | - Xiaoyan Wang
- Center of Reproduction, Development & Aging, And Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau, China
| | - Dejin Zheng
- Center of Reproduction, Development & Aging, And Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau, China
| | - Zhengqiang Miao
- Center of Reproduction, Development & Aging, And Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau, China
| | - Zhenwu Zhang
- Center of Reproduction, Development & Aging, And Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau, China
| | - Enqin Li
- Center of Reproduction, Development & Aging, And Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau, China
| | - Yaojiong Wu
- The Shenzhen Key Laboratory of Health Sciences and Technology, International Graduate School at Shenzhen, Tsinghua University, Shenzhen, China
| | - Ren-He Xu
- Center of Reproduction, Development & Aging, And Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau, China.
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Lu C, Zhou Z, Zheng D, He Y, Li Y, Wang Z, Zhong W, Zhang X, Wu Y, Zhou Q. P76.19 Clinical Outcomes of Lung Cancer Patients Who Acquired EGFR T790M/in trans-C797S Mutations After Resistance to Osimertinib. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.1076] [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: 10/21/2022]
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31
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Wong J, Lin C, Baine M, Bennion N, Yu L, Zheng D, Vipin D, Hollingsworth M, Zhou S, Zheng D. Effect Of Interobserver And Interdisciplinary Segmentation Variability On Radiomic Features For Pancreatic Cancer. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.215] [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: 11/25/2022]
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32
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Parr E, Du Q, Zhang C, Lin C, Kamal A, McAlister J, Liang X, Bavitz K, Rux G, Hollingsworth M, Baine M, Zheng D. Radiomics-Based Survival and Recurrence Prediction for Pancreatic Cancer Following Stereotactic Body Radiotherapy. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.680] [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: 11/16/2022]
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Li J, Lin C, Zheng D. CT and Pathological Control Study on Small Cluster Lymph Nodes Metastases of Esophageal Cancer and Construction of Nomogram Prediction Model. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1957] [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: 10/23/2022]
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Su Z, Wen J, Zeng Y, Zhao H, Lv S, van der Velde R, Zheng D, Wang X, Wang Z, Schwank M, Kerr Y, Yueh S, Colliander A, Qian H, Drusch M, Mecklenburg S. Multiyear in-situ L-band microwave radiometry of land surface processes on the Tibetan Plateau. Sci Data 2020; 7:317. [PMID: 32999274 PMCID: PMC7527448 DOI: 10.1038/s41597-020-00657-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [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: 04/02/2020] [Accepted: 08/21/2020] [Indexed: 11/26/2022] Open
Abstract
We report a unique multiyear L-band microwave radiometry dataset collected at the Maqu site on the eastern Tibetan Plateau and demonstrate its utilities in advancing our understandings of microwave observations of land surface processes. The presented dataset contains measurements of L-band brightness temperature by an ELBARA-III microwave radiometer in horizontal and vertical polarization, profile soil moisture and soil temperature, turbulent heat fluxes, and meteorological data from the beginning of 2016 till August 2019, while the experiment is still continuing. Auxiliary vegetation and soil texture information collected in dedicated campaigns are also reported. This dataset can be used to validate the Soil Moisture and Ocean Salinity (SMOS) and Soil Moisture Active Passive (SMAP) satellite based observations and retrievals, verify radiative transfer model assumptions and validate land surface model and reanalysis outputs, retrieve soil properties, as well as to quantify land-atmosphere exchanges of energy, water and carbon and help to reduce discrepancies and uncertainties in current Earth System Models (ESM) parameterizations. Measurement cases in winter, pre-monsoon, monsoon and post-monsoon periods are presented.
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Affiliation(s)
- Z Su
- Faculty of Geo-information Science and Earth Observation (ITC), University of Twente, Enschede, The Netherlands.
- Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, School of Water and Environment, Chang'an University, Xi'an, 710054, China.
| | - J Wen
- College of Atmospheric Sciences, Plateau Atmosphere and Environment Key Laboratory of Sichuan Province, Chengdu University of Information Technology, Chengdu, China.
| | - Y Zeng
- Faculty of Geo-information Science and Earth Observation (ITC), University of Twente, Enschede, The Netherlands
| | - H Zhao
- Faculty of Geo-information Science and Earth Observation (ITC), University of Twente, Enschede, The Netherlands
| | - S Lv
- College of Atmospheric Sciences, Plateau Atmosphere and Environment Key Laboratory of Sichuan Province, Chengdu University of Information Technology, Chengdu, China
| | - R van der Velde
- Faculty of Geo-information Science and Earth Observation (ITC), University of Twente, Enschede, The Netherlands
| | - D Zheng
- Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China
| | - X Wang
- Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, China
| | - Z Wang
- Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, China
| | - M Schwank
- Swiss Federal Research Institute WSL, Birmensdorf, Switzerland
- Gamma Remote Sensing AG, Gümligen, Switzerland
| | - Y Kerr
- CESBIO (CNES/CNRS/UPS/IRD), Toulouse, France
| | - S Yueh
- Jet Propulsion Laboratory, Pasadena, USA
| | | | - H Qian
- Key Laboratory of Subsurface Hydrology and Ecological Effect in Arid Region of Ministry of Education, School of Water and Environment, Chang'an University, Xi'an, 710054, China
| | - M Drusch
- European Space Agency, ESTEC, Earth Observation Programmes, Noordwijk, The Netherlands
| | - S Mecklenburg
- European Space Agency, ESA Climate Office, Harwell Campus, Oxfordshire, UK
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Chen D, Li H, Zhao Y, Qiu Y, Xiao L, He H, Zheng D, Li X, Huang L, Yu X, Xu N, Hu X, Chen Y, Chen F. Characterization of carbapenem-resistant Klebsiella pneumoniae in a tertiary hospital in Fuzhou, China. J Appl Microbiol 2020; 129:1220-1226. [PMID: 32396222 PMCID: PMC7687251 DOI: 10.1111/jam.14700] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [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: 01/29/2020] [Revised: 04/07/2020] [Accepted: 05/05/2020] [Indexed: 02/06/2023]
Abstract
Aims The emergence of carbapenem‐resistant Klebsiella pneumoniae (CRKP) strains has led to increased mortality and morbidity rates. Tigecycline, a new class of broad‐spectrum glycyl‐tetracycline antibiotics, has been used to target multi‐ and pan‐drug‐resistant bacterial infections. This study aimed to assess the molecular characteristics of CRKP in a tertiary hospital, and its susceptibility to tigecycline, to create a reference for hospital infection control and clinical drug use. Methods and Results We retrieved patient clinical information and CRKP characterization from medical records and detected the MIC of tigecycline using the micro‐broth dilution method. Multi‐locus sequence typing was performed, and antibiotic resistance genes associated with CRKP were detected by qPCR. A total of 166 CRKP strains were detected in the sputum, urine and blood among intensive care unit patients (average age, 69·6 years). The most infrequently observed resistance genes were amikacin resistance genes, followed by tobramycin resistance genes. KPC‐2, CTX‐M9 and CTX‐M1 were the most frequently detected resistance genes. Conclusions No strain was resistant to tigecycline (MIC ≥ 8 µg ml−1). Twenty‐four sequence types were identified, with ST11 being the most common type. Significance and Impact of the Study Clinicians and infection control experts should be aware of CRKP prevalence to facilitate clinical treatment and improve nosocomial infection control.
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Affiliation(s)
- D Chen
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou, China.,Clinical Microbiology Laboratory, Fujian Provincial Hospital, Fuzhou, China
| | - H Li
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou, China.,Department of Pulmonary and Critical Care Medicine, Fujian Provincial Hospital, Fuzhou, China
| | - Y Zhao
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou, China
| | - Y Qiu
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou, China
| | - L Xiao
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou, China
| | - H He
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou, China
| | - D Zheng
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou, China
| | - X Li
- Department of Pulmonary and Critical Care Medicine, Fujian Provincial Hospital, Fuzhou, China
| | - L Huang
- Department of Pulmonary and Critical Care Medicine, Fujian Provincial Hospital, Fuzhou, China
| | - X Yu
- Department of Pulmonary and Critical Care Medicine, Fujian Provincial Hospital, Fuzhou, China
| | - N Xu
- Department of Pulmonary and Critical Care Medicine, Fujian Provincial Hospital, Fuzhou, China
| | - X Hu
- Clinical Microbiology Laboratory, Fujian Provincial Hospital, Fuzhou, China
| | - Y Chen
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou, China.,Department of Pulmonary and Critical Care Medicine, Fujian Provincial Hospital, Fuzhou, China
| | - F Chen
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou, China
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Zhang X, Ma JD, Jing J, Wang J, Wu T, Zheng D, Dai L. AB0054 SYNOVIAL CD163+ MACROPHAGES ARE ASSOCIATED WITH RADIOGRAPHIC JOINT DESTRUCTION IN RHEUMATOID ARTHRITIS. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.1141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:CD163, a hemoglobin scavenger receptor, has been identified as a marker of M2 macrophages, it can promote the release of IL-10 and carbon oxide. Researches on inflammatory diseases and tumors have suggested that CD163 plays anti-inflammatory effect and promotes tumor growth and metastasis. Rheumatoid arthritis (RA) is a chronic inflammatory disease characterized by chronic synovitis with inflammatory cells infiltration including considerable macrophages. However, little is known about the role of CD163+ macrophages in RA synovium.Objectives:To investigate the expression and clinical significance of synovial CD163+ macrophages in RA.Methods:Seventy-five RA patients were recruited and clinical data including disease activity, HAQ and Sharp/van der Heijde-modified Sharp score of bilateral hands and wrists were collected. Synovial tissues were obtained by needle biopsies or arthroscopy of knee joints. Eighteen osteoarthritis (OA) and seventeen orthopedic arthropathies (orth.A) patients were included as controls. All synovium were stained with H&E and immunohistochemically for CD163, CD3, CD20, CD38, CD68, and CD15. Histologic changes of synovitis in H&E stained sections were graded with Krenn’s synovitis score.Results:Positive CD163 expression were found in both lining synoviocytes and sublining inflammatory cells. Both densities of lining and sublining CD163+ macrophages in RA synovium were significantly higher than that in OA or Orth.A synovium (140.47±66.93 vs. 17.85±7.70 vs. 19.76±5.26 and 417.92±249.62 vs. 27.58±14.19 vs. 29.87±9.33, allP<0.001, Figure 1).According to Krenn’s synovitis score, there were 68% RA patients showing high synovitis (score>4). Both lining and sublining synovial CD163+ macrophages were significantly higher than those showing low synovitis (lining: 158.40±62.91 vs. 122.06±66.74, sublining: 462.96±62.91 vs. 371.65±271.54, bothP<0.05). Meanwhile, the densities of lining and sublining CD163+ macrophages were both positively correlated with Krenn’s synovitis score (r=0.238 and 0.343, bothP<0.05).For clinical relationship in RA, the density of sublining CD163+ macrophages was positively correlated with total Sharp score (mTSS) (r=0.399,P<0.001), joint space narrowing subscore (r=0.248,P=0.032) and joint erosion subscore (r=0.457,P<0.001). While the density of lining CD163+ macrophages was positively correlated with mTSS (r=0.319,P=0.005) and joint erosion subscore (r=0.358,P=0.002). Meanwhile, the densities of sublining and lining CD68+ macrophages were also positively correlated with mTSS (r=0.253 and 0.242, bothP<0.05), of which the correlation was weaker than that of CD163+ macrophages (Figure 2). There were no significant correlation between the density of CD163+ macrophages and disease activity or HAQ (allP>0.05).Conclusion:Synovial CD163+ macrophages are associated with radiographic joint destruction, which imply that CD163+ macrophages may play role in the pathogenisis of joint destruction in RA.Figure 1.Representative immunohistochemical findings of synovial CD163 expression. (A) Synovial CD163 expression in an Orth.A patient, an OA patient and a RA patient. (B) Densities of lining and sublining CD163+ macrophages in Orth.A, OA and RA patients.Figure 2.Spearman’s rank correlation analysis for synovial macrophages and mTSS in RA. (A) Correlation between sublining CD163+ macrophages and mTSS, joint space narrowing subscore, joint erosion subscore. (B) Correlation between lining CD163+ macrophages and mTSS, joint space narrowing subscore, joint erosion subscore.Funding: :This work was supported by National Natural Science Foundation of China (no. 81801606 and 81971527), Guangdong Natural Science Foundation (no. 2017A030313576, 2018A030313541 and 2019A1515011928).Figures:Disclosure of Interests:None declared
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Mao DM, Zhou N, Zheng D, Yue JC, Zhao QH, Luo B, Guan DW, Zhou YW, Hu BJ, Cheng JD. Guide to the Forensic Pathology Practice on Death Cases Related to Corona Virus Disease 2019 (COVID-19) (Trial Draft). Fa Yi Xue Za Zhi 2020; 36:6-5. [PMID: 32198985 DOI: 10.12116/j.issn.1004-5619.2020.01.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Indexed: 11/30/2022]
Abstract
Abstract Autopsy is of great significance to the elucidation of the pathological changes, pathogeneses and causes of death of corona virus disease 2019 (COVID-19) and can provide theoretical basis for more scientific and accurate prevention and control of the outbreak. Based on related laws and regulations, such as the Law of the People's Republic of China on Prevention and Control of Infectious Diseases, the clinical manifestations and epidemiological characteristics of COVID-19, and the related guidelines on the prevention and control of the outbreak, combined with the practical work of forensic pathology examination, the Guide to the Forensic Pathology Practice on Death Cases Related to Corona Virus Disease 2019 (COVID-19) (Trial Draft) has been developed. This guide includes information on the background investigation of the cases, autopsy room requirements, personal prevention and protections, external examinations, autopsy, auxiliary examinations, and so on. This guide can be used as a reference by forensic and pathological examination institutions, as well as examination staff.
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Affiliation(s)
- D M Mao
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - N Zhou
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - D Zheng
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - J C Yue
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - Q H Zhao
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - B Luo
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
| | - D W Guan
- School of Forensic Medicine, China Medical University, Shenyang 110122, China
| | - Y W Zhou
- Department of Forensic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - B J Hu
- Guangzhou Medical University, Guangzhou 511436, China
| | - J D Cheng
- Faculty of Forensic Medicine, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China
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Liu H, Wang L, Chan K, Xiong L, Leng L, Shi L, Leung TW, Chen F, Zheng D. The Application of Non-linear Flow Resistance in Cerebral Artery: Compared with Windkessel Model based on Genetic Algorithm. Annu Int Conf IEEE Eng Med Biol Soc 2020; 2019:2285-2288. [PMID: 31946356 DOI: 10.1109/embc.2019.8857963] [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] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Continuous blood pressure is measured from various extracranial body sites, with difference in amplitude and phase with intracranial blood pressure. Consequent influences on the accuracy of Windkessel model need further investigation. Between blood pressure and intracranial flow rate, a model with non-linear flow resistance (R-DT) was proposed and compared with the 3-element Windkessel (RCR) model. From the measured blood flow velocity in middle cerebral artery, the blood pressure was estimated by R-DT and RCR models respectively. The parameters in the models were optimized by genetic algorithm. The accuracies of R-DT and RCR models were compared based on their estimation errors to the measured blood pressure. The capacitance element in RCR model indicated limited ability to take the time shift into account. Compared with RCR model, R-DT model had less error (averaged relative error: 5.19% and 2.49% for RCR and RDT models). The non-linear flow resistance was applicable in simulating cerebral arteries.
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Zhang X, Wang A, Zhang J, Singh M, Liu D, Zuo Y, Wu L, Song M, Wang W, Feigin V, Wang Y, Zheng D. Association of plasma C-reactive protein with ischaemic stroke: a Mendelian randomization study. Eur J Neurol 2019; 27:565-571. [PMID: 31692152 DOI: 10.1111/ene.14113] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [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: 07/18/2019] [Accepted: 11/04/2019] [Indexed: 12/30/2022]
Abstract
BACKGROUND AND PURPOSE Elevated C-reactive protein (CRP) is associated with an increased risk of ischaemic stroke (IS). However, the causality of this association is uncertain. The aim is to investigate whether genetically raised plasma CRP concentration levels are associated with IS on the basis of the Mendelian randomization method. METHODS Based on the National Center for Biotechnology Information single nucleotide polymorphism (SNP) database, the Chinese online genetic database as well as previously published studies, four CRP-associated SNP alleles (rs1130864, rs1205, rs876537 and rs3093059) with minor allele frequency ≥0.15 were selected and the concentration levels of CRP were measured in 378 first-ever IS patients and 613 healthy controls. RESULTS Three SNPs were chosen and used as instrumental variables. The adjusted odds ratios (ORs) [95% confidence interval (95% CI)] of IS per addition of the modelled allele were 1.07 (0.79-1.45) for rs876537, 0.99 (0.73-1.35) for rs1205 and 1.08 (0.71-1.65) for rs3093059. The OR (95% CI) of IS for plasma CRP ≥2.0 mg/l was 2.19 (1.06-4.53) compared with <2.0 mg/l. The adjusted OR (95% CI) of IS per genetically predicted 10% higher CRP concentration, based on the three SNPs as the instruments, was 1.02 (0.94-1.11). Furthermore, similar results were obtained with adjusted ORs (95% CI) of 1.00 (0.88-1.13) and 1.04 (0.93-1.16), respectively, for large-artery atherosclerosis and small-artery occlusion per genetically predicted 10% higher CRP concentration. CONCLUSIONS This Mendelian randomization study provides no clear support that elevated CRP concentration is causally associated with the risk of IS.
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Affiliation(s)
- X Zhang
- Department of Epidemiology and Health Statistics, School of Public Health, Beijing Municipal Key Laboratory of Clinical Epidemiology, Capital Medical University, Beijing, China
| | - A Wang
- China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - J Zhang
- Department of Epidemiology and Health Statistics, School of Public Health, Beijing Municipal Key Laboratory of Clinical Epidemiology, Capital Medical University, Beijing, China
| | - M Singh
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA, Australia
| | - D Liu
- Department of Epidemiology and Health Statistics, School of Public Health, Beijing Municipal Key Laboratory of Clinical Epidemiology, Capital Medical University, Beijing, China
| | - Y Zuo
- China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.,Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - L Wu
- Department of Epidemiology and Health Statistics, School of Public Health, Beijing Municipal Key Laboratory of Clinical Epidemiology, Capital Medical University, Beijing, China
| | - M Song
- Department of Epidemiology and Health Statistics, School of Public Health, Beijing Municipal Key Laboratory of Clinical Epidemiology, Capital Medical University, Beijing, China
| | - W Wang
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, WA, Australia
| | - V Feigin
- National Institute for Stroke and Applied Neurosciences, Auckland University of Technology, Auckland, New Zealand
| | - Y Wang
- Department of Epidemiology and Health Statistics, School of Public Health, Beijing Municipal Key Laboratory of Clinical Epidemiology, Capital Medical University, Beijing, China
| | - D Zheng
- Department of Epidemiology and Health Statistics, School of Public Health, Beijing Municipal Key Laboratory of Clinical Epidemiology, Capital Medical University, Beijing, China
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Gu JL, Li J, Liu JR, Zou WY, Huang BH, Zheng D, Wang HH. [High dose melphalan (HDM) is superior to cyclophosphamide plus etoposide and busulfan (CVB) as the conditioning regimen in autologous stem cell transplantation for multiple myeloma]. Zhonghua Xue Ye Xue Za Zhi 2019; 40:732-737. [PMID: 31648473 PMCID: PMC7342454 DOI: 10.3760/cma.j.issn.0253-2727.2019.09.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
目的 比较大剂量美法仑(HDM)和环磷酰胺、依托泊苷联合白消安(CVB)预处理方案应用于新诊断多发性骨髓瘤(NDMM)患者自体造血干细胞移植(ASCT)的安全性、近期及远期疗效。 方法 回顾性分析2011年1月至2017年8月期间接受PAD(硼替佐米+脂质体阿霉素+地塞米松)方案诱导治疗序贯ASCT的NDMM患者共123例,按接受预处理方案分为CVB组(82例)和HDM组(41例)。 结果 ①非血液学不良反应方面两者无显著区别。②CVB组中性粒细胞植入和血小板植入较HDM组快,中性粒细胞植入时间为第10(9~35)天对第11(9~12)天(z=−3.433,P=0.001);血小板植入时间为11(7~55)d对HDM组13(10~35)d(z=−3.506,P<0.001);但CVB组也更早进入粒细胞缺乏(粒缺)及显著血小板减少,最终粒缺及显著血小板减少持续时间两组间尚未显示出差别;但CVB组的发热持续时间以及相应抗生素使用时间显著延长。③CVB组经过移植后获得传统疗效进步的患者比例显著低于HDM组(9/46对14/28,P=0.021);而且移植后3个月CVB组的微小残留病(MRD)阴性率有低于HDM组的趋势(31.7%对48.8%,P=0.065)。④无论单因素还是多因素分析均显示两种预处理方案并不影响接受PAD诱导序贯ASCT及维持治疗的NDMM患者的至进展时间(TTP)(P= 0.619)及总生存(OS)时间(P=0.295)。 结论 HDM预处理方案血液学不良反应、减低MM肿瘤负荷以及使用方便性方面较CVB方案具有优势,但采用两种预处理方案的ASCT治疗MM的TTP和OS未见明显差异。
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Affiliation(s)
- J L Gu
- The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
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Zheng D, Yang Y, Wu C, Wang H, Liu S, Xu X, Zhang D, Li F, Ni J, Xu J, Jiang G. P2.11-11 Exosomal miRNAs as Diagnosis Biomarkers for Distinguishing Benign and Malignant Nodules in Non-Small Cell Lung Cancer. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.1711] [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: 11/25/2022]
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Padilla O, Schrank B, Chin C, Zheng D, Connolly E. Predictors of Breast Reconstruction Failure and Morbidity in Patients Undergoing Postmastectomy Radiotherapy in the Era of Neoadjuvant Chemotherapy. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.716] [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: 10/26/2022]
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Wang X, Jiang B, Sun H, Zheng D, Zhang Z, Yan L, Li E, Wu Y, Xu RH. Noninvasive application of mesenchymal stem cell spheres derived from hESC accelerates wound healing in a CXCL12-CXCR4 axis-dependent manner. Am J Cancer Res 2019; 9:6112-6128. [PMID: 31534540 PMCID: PMC6735514 DOI: 10.7150/thno.32982] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Accepted: 06/29/2019] [Indexed: 02/06/2023] Open
Abstract
Mesenchymal stem cells (MSC) derived from adult tissues effectively promote wound healing. However, MSC quality varies, and the quantity of MSC is limited, as MSC are acquired through donations. Moreover, the survival and functioning of dissociated MSC delivered to an inflammatory lesion are subject to challenges. Methods: Here, spheres (EMSCSp) generated from human embryonic stem cell-derived MSC (EMSC) were directly dropped onto excised wounds in mice; the effects of EMSCSp were compared to those of dissociated EMSC (EMSCDiss). Following transplantation, we measured the extent of wound closure, dissected the histological features of the wounds, determined transcriptomic changes in cells isolated from the treated and control wounds, and evaluated the molecular mechanism of the effects of EMSC. Results: The application of EMSCSp onto murine dermal wounds substantially increased survival and efficacy of EMSC compared to the topical application of EMSCDiss. RNA sequencing (RNA-Seq) of cells isolated from the wounds highlighted the involvement of CXCL12-CXCR4 signaling in the effects of EMSCSp, which was verified in EMSC via CXCL12 knockdown and in target cells (vascular endothelial cells, epithelial keratinocytes, and macrophages) via CXCR4 inhibition. Finally, we enhanced the biosafety of EMSCSp by engineering cells with an inducible suicide gene. Conclusions: Together, these data suggest the topical application of EMSCSp as an unlimited, quality-assured, safe, and noninvasive therapy for wound healing and the CXCL12-CXCR4 axis as a key player in this treatment.
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Wu Q, Liu JR, Huang BH, Zou WY, Gu JL, Chen ML, Kuang LF, Zheng D, Xu DR, Zhou ZH, Wang HH, Su C, Tong XZ, Li J. [Bortezomib-based induction chemotherapy followed by autologous hematopoietic stem cell transplantation and maintenance in 200 patients with multiple myeloma: long-term follow-up results from single center]. Zhonghua Xue Ye Xue Za Zhi 2019; 40:453-459. [PMID: 31340616 PMCID: PMC7342406 DOI: 10.3760/cma.j.issn.0253-2727.2019.06.002] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To study the efficacy, safety and long-term outcomes of integrated strategy of bortezomib-based induction regimens followed by autologous hematopoietic stem cell (ASCT) and maintenance therapy in Chinese multiple myeloma (MM) patients. Methods: 200 MM patients receiving integrated strategy of bortezomib--based induction regimens followed by ASCT and maintenance therapy were retrospectively and prospectively analyzed from December 1. 2006 to April 30. 2018. Results: The complete remission rates (CR) and better than very good partial remission rates (VGPR) after induction therapy, transplantation and maintenance therapy were respectively 31% and 75.5%, 51.8% and 87.7%,73.6% and 93.4%. There was no difference between 4 cycles and more than 5 cycles induction chemotherapy. The negative rate of MRD detection by flow cytometry was 17.6% and 38.2% respectively after induction and 3 months after transplantation. The negative rate of MRD gradually increased during the maintenance therapy. The success rate of high dose CTX combined with G-CSF mobilization was 95.5% and transplantation related mortality (TRM) was zero. The median time to progress (TTP) was 75.3 months and the median overall survival (OS) was 99.5 months. TTP of patients obtaining CR and negative MRD after induction were longer that those of no CR and positive MRD. TTP and OS of patients receiving triple-drug induction and ASCT in early stage were longer than those of double-drug induction and ASCT in late stage. LDH≥240 U/L, high risk cytogenetics, ISS II+III stage and HBsAg positive were prognostic factors at diagnosis. However, only MRD and high risk cytogenetics were independent prognostic factors after transplantation and maintenance therapy. The clinical characteristics of patients of TTP ≥6 years were listed below: light-chain type M protein, ISS I stage, normal level of hemoglobin and platelet, normal LDH, HBsAg negative, chromosome 17p-negative, good response and sustained good response. Conclusions: Integrated strategy of bortezomib-based induction regimens followed by ASCT and maintenance therapy can significantly improve the short-term and long-term efficacy. The prognostic factors of TTP in different disease stages were different. Response to treatment, especially MRD, played a more important role in prognostic factors.
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Affiliation(s)
- Q Wu
- Department of Hematology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
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Liu H, Leung T, Wong A, Chen F, Zheng D. The Geometric Effects on the Stress of Arterial Atherosclerotic Plaques: a Computational Study. Annu Int Conf IEEE Eng Med Biol Soc 2019; 2019:6948-6951. [PMID: 31947437 DOI: 10.1109/embc.2019.8857885] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
BACKGROUND The rupture of atherosclerotic plaques could cause serious clinical events. The wall shear stress (WSS) and axial plaque stress (APS) could reflect the risk of plaque rupture. This study aimed to quantitatively investigate the geometric effects on WSS and APS using computational fluid dynamics (CFD). METHODS 63 plaque models were developed from three severities (75%, 82%, and 89% in area), three eccentricities (the deviation of plaque throat from the arterial centerline: 0, 0.375 and 0.75mm), and 7 different length combinations of the proximal and distal stenotic segments (2mm-5mm, 3mm-5mm, 4mm-5mm, 5mm-5mm, 5mm-4mm, 5mm-3mm, 5mm-2mm). For each model, CFD simulation was performed to calculate the maximum and area-averaged WSS and APS on the proximal and distal stenotic segments. The multivariate analysis of variance and linear regression analysis were performed to quantitatively investigate the geometry-stress relationship.The results showed that, the severity and eccentricity of a plaque were linearly related to its WSS and APS. APS value on a segment (proximal or distal) of the plaque depended on the segmental length It was also shown that the difference of APS between proximal and distal segments depended exclusively on the difference of length between segments (all p<; 0.05). CONCLUSION The geometry of a plaque influences its WSS and APS. APS and its proximal/distal difference depend on the segmental lengths.
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Zheng D, Tang SB, Ye WQ, Liu SP, Li ZH, Liu XS, Quan L, Luo B, Cheng JD. Strategy of the Causes of Death of Dependents. Fa Yi Xue Za Zhi 2019; 35:285-288. [PMID: 31282621 DOI: 10.12116/j.issn.1004-5619.2019.03.004] [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] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Indexed: 11/30/2022]
Abstract
Abstract Objective To discuss the methods and strategies to identify the causes of dependents' deaths, as well as provide the experiences that can be used for reference and scientific basis for the forensic identification of the potentially growing deaths of the same kind in the future. Methods The 13 cases concerning death of dependents accepted by Sun Yat-sen University Forensic Center were collected, and the basic information of the dependents were statistically described. The nutritional status, environmental condition and medical care condition were evaluated according to dietary energy, living space, environment and medical treatment condition. Results Among the 13 dependents, there were 11 males and 2 females, with the oldest 74 and the youngest 9 and dwelling time was from 0.4 to 5.6 years. Forensic pathological examination showed that 13 dependents had infectious diseases and 11 were severely dystrophic. There were no fatal mechanical injuries or poisoning in dependents. Molecular pathological screening of 4 cases revealed no pathogenic variants of sudden death susceptible genes. The poor status of the diet, nutrition, living environment and medical care of these dependents were discovered. The direct cause of death of all 13 dependents was identified to be disease. The lack of nutrition, poor living environment and lack of medical care were thought to play a dominant role in causing the deaths of 12 dependants. Conclusion The death identification should follow the judicial procedure. In identification of the causes of death and analysis of the proportion of the affecting factors resulting in death, all factors, including nutrition,environment, medical care, injury and diseases, need to be considered.
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Affiliation(s)
- D Zheng
- Department of Forensic Pathology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China.,Guangdong Province Translational Forensic Medicine Engineering Technology Research Center, Sun Yat-Sen University, Guangzhou 510080, China
| | - S B Tang
- Department of Forensic Pathology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China.,Guangdong Province Translational Forensic Medicine Engineering Technology Research Center, Sun Yat-Sen University, Guangzhou 510080, China
| | - W Q Ye
- Department of Forensic Pathology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China.,Guangdong Province Translational Forensic Medicine Engineering Technology Research Center, Sun Yat-Sen University, Guangzhou 510080, China
| | - S P Liu
- Department of Forensic Pathology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China.,Guangdong Province Translational Forensic Medicine Engineering Technology Research Center, Sun Yat-Sen University, Guangzhou 510080, China
| | - Z H Li
- Department of Forensic Pathology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China.,Guangdong Province Translational Forensic Medicine Engineering Technology Research Center, Sun Yat-Sen University, Guangzhou 510080, China
| | - X S Liu
- Department of Forensic Pathology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China.,Guangdong Province Translational Forensic Medicine Engineering Technology Research Center, Sun Yat-Sen University, Guangzhou 510080, China
| | - L Quan
- Department of Forensic Pathology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China.,Guangdong Province Translational Forensic Medicine Engineering Technology Research Center, Sun Yat-Sen University, Guangzhou 510080, China
| | - B Luo
- Department of Forensic Pathology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China.,Guangdong Province Translational Forensic Medicine Engineering Technology Research Center, Sun Yat-Sen University, Guangzhou 510080, China
| | - J D Cheng
- Department of Forensic Pathology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China.,Guangdong Province Translational Forensic Medicine Engineering Technology Research Center, Sun Yat-Sen University, Guangzhou 510080, China
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López-Sánchez G, Smith L, Zheng D, Sapkota R, Yang L, Chen Z, Pardhan S. Physical activity behaviour in people with diabetes residing in China: A cross-sectional analysis. Sci Sports 2019. [DOI: 10.1016/j.scispo.2018.11.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Nguyen M, Cohen I, Valdes J, Xu Z, Bar C, Dauber K, Tsai P, Zhao D, Zheng D, Hsu Y, Chen T, Ezhkova E. 869 The specification of Merkel cell in the back skin and glabrous paw skin is controlled by FGFR2-meditated signaling. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.03.945] [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: 11/28/2022]
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Cohen I, Zhao D, Menon G, Nakayama M, Koseki H, Zheng D, Ezhkova E. 287 Polycomb repressive complex 1 (PRC1) preserves epidermal tissue integrity independently of PRC2. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.03.363] [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: 11/16/2022]
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Yao H, Zheng D, Xie M, Wang Z. 268 A New Look at Reconstruction Strategy: Classification and Management for Extramammary Paget's Disease. J Sex Med 2019. [DOI: 10.1016/j.jsxm.2019.01.274] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [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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