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Liu P, Chen YW, Liu C, Wu YT, Zhao WC, Zhu JY, An Y, Xia NX. Development and validation of a nomogram model for predicting the risk of gallstone recurrence after gallbladder-preserving surgery. Hepatobiliary Pancreat Dis Int 2024; 23:288-292. [PMID: 36443144 DOI: 10.1016/j.hbpd.2022.11.001] [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: 01/10/2022] [Accepted: 10/25/2022] [Indexed: 11/13/2022]
Abstract
BACKGROUND The high incidence of gallstone recurrence was a major concern for laparoscopic gallbladder-preserving surgery. This study aimed to investigate the risk factors for gallstone recurrence after gallbladder-preserving surgery and to establish an individualized nomogram model to predict the risk of gallstone recurrence. METHODS The clinicopathological and follow-up data of 183 patients who were initially diagnosed with gallstones and treated with gallbladder-preserving surgery at our hospital from January 2012 to January 2019 were retrospectively collected. The independent predictive factors for gallstone recurrence following gallbladder-preserving surgery were identified by multivariate logistic regression analysis. A nomogram model for the prediction of gallstone recurrence was constructed based on the selected variables. The C-index, receiver operating characteristic (ROC) curve and calibration curve were used to evaluate the predictive power of the nomogram model for gallstone recurrence. RESULTS During the follow-up period, a total of 65 patients experienced gallstone recurrence, and the recurrence rate was 35.5%. Multivariate logistic regression analysis revealed that the course of gallstones > 2 years [odds ratio (OR) = 2.567, 95% confidence interval (CI): 1.270-5.187, P = 0.009], symptomatic gallstones (OR = 2.589, 95% CI: 1.059-6.329, P = 0.037), multiple gallstones (OR = 2.436, 95% CI: 1.133-5.237, P = 0.023), history of acute cholecystitis (OR = 2.778, 95% CI: 1.178-6.549, P = 0.020) and a greasy diet (OR = 2.319, 95% CI: 1.186-4.535, P = 0.014) were independent risk factors for gallstone recurrence after gallbladder-preserving surgery. A nomogram model for predicting the recurrence of gallstones was established based on the above five variables. The results showed that the C-index of the nomogram model was 0.692, suggesting it was valuable to predict gallstone recurrence. Moreover, the calibration curve showed good consistency between the predicted probability and actual probability. CONCLUSIONS The nomogram model for the prediction of gallstone recurrence might help clinicians develop a proper treatment strategy for patients with gallstones. Gallbladder-preserving surgery should be cautiously considered for patients with high recurrence risks.
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Affiliation(s)
- Peng Liu
- Faculty of Hepato-Pancreato-Biliary Surgery, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China; Institute of Hepatobiliary Surgery of Chinese PLA, Beijing 100853, China; Key Laboratory of Digital Hepetobiliary Surgery of Chinese PLA, Beijing 100853, China
| | - Yong-Wei Chen
- Faculty of Hepato-Pancreato-Biliary Surgery, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China; Institute of Hepatobiliary Surgery of Chinese PLA, Beijing 100853, China; Key Laboratory of Digital Hepetobiliary Surgery of Chinese PLA, Beijing 100853, China
| | - Che Liu
- Faculty of Hepato-Pancreato-Biliary Surgery, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China; Institute of Hepatobiliary Surgery of Chinese PLA, Beijing 100853, China; Key Laboratory of Digital Hepetobiliary Surgery of Chinese PLA, Beijing 100853, China
| | - Yin-Tao Wu
- Faculty of Hepato-Pancreato-Biliary Surgery, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China; Institute of Hepatobiliary Surgery of Chinese PLA, Beijing 100853, China; Key Laboratory of Digital Hepetobiliary Surgery of Chinese PLA, Beijing 100853, China
| | - Wen-Chao Zhao
- Faculty of Hepato-Pancreato-Biliary Surgery, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China; Institute of Hepatobiliary Surgery of Chinese PLA, Beijing 100853, China; Key Laboratory of Digital Hepetobiliary Surgery of Chinese PLA, Beijing 100853, China
| | - Jian-Yong Zhu
- Faculty of Hepato-Pancreato-Biliary Surgery, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China; Institute of Hepatobiliary Surgery of Chinese PLA, Beijing 100853, China; Key Laboratory of Digital Hepetobiliary Surgery of Chinese PLA, Beijing 100853, China
| | - Yang An
- Faculty of Hepato-Pancreato-Biliary Surgery, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China; Institute of Hepatobiliary Surgery of Chinese PLA, Beijing 100853, China; Key Laboratory of Digital Hepetobiliary Surgery of Chinese PLA, Beijing 100853, China
| | - Nian-Xin Xia
- Faculty of Hepato-Pancreato-Biliary Surgery, the First Medical Center, Chinese PLA General Hospital, Beijing 100853, China; Institute of Hepatobiliary Surgery of Chinese PLA, Beijing 100853, China; Key Laboratory of Digital Hepetobiliary Surgery of Chinese PLA, Beijing 100853, China.
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Zhang X, Yelle DJ, Kitin P, Tong G, Zhu JY. Producing Cellulose Microfibrils at a High Solid Content with and without Mechanical or Enzymatic Pretreatment. Biomacromolecules 2024; 25:2509-2519. [PMID: 38514378 DOI: 10.1021/acs.biomac.3c01457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2024]
Abstract
This study conducted a detailed evaluation of the feasibility of producing cellulose microfibrils (CMF) from a kraft-bleached hardwood pulp at high solid contents with and without pretreatments. CMFs produced by planetary ball milling at solid contents 17 and 28% were compared with those from 1 to 5% under the same milling conditions. Fiber pretreatments using a commercial endoglucanase and mechanical refining using a laboratory PFI mill were also applied before ball milling at a solid content of 28%. Two mechanisms of fiber fibrillation were identified from the results obtained: (i) ball and fiber/fibril interactions─the primary mechanism and (ii) interfiber/fibril frictional and tensional interactions─the secondary mechanism. The secondary mechanism plays an important role only in early-stage fibrillation and became less important as fibrillation proceeded in the later stage toward nanofibrillation. Improving fiber dispersion at lower solid content facilitated fibrillation. Endoglucanase pretreatment substantially shortened fibers to result in a "pulverized-like" CMF with short fibrils at an extended milling time. Mechanical refining of fibers facilitated fibrillation to result in CMFs with a morphology similar to that from runs without any fiber pretreatment but for a much shorter milling time. Both CMF water retention value (WRV) measurements and CMF suspension sedimentation experiments showed results consistent with imaging observations. The insights gained through this study provide relevant information with commercial significance regarding CMF production at high solids, which is not currently available in the literature.
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Affiliation(s)
- Xiaoxue Zhang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Provincial Key Lab of Pulp and Paper Science and Technology, Nanjing Forestry University, Nanjing 210037, China
- USDA Forest Products Laboratory, Madison, Wisconsin 53726, United States
| | - Daniel J Yelle
- USDA Forest Products Laboratory, Madison, Wisconsin 53726, United States
| | - Peter Kitin
- USDA Forest Products Laboratory, Madison, Wisconsin 53726, United States
| | - Guolin Tong
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Provincial Key Lab of Pulp and Paper Science and Technology, Nanjing Forestry University, Nanjing 210037, China
| | - J Y Zhu
- USDA Forest Products Laboratory, Madison, Wisconsin 53726, United States
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Sun MY, Zhu JY, Zhang CY, Zhang M, Song YN, Rahman K, Zhang LJ, Zhang H. Retraction Note: Autophagy regulated by lncRNA HOTAIR contributes to the cisplatin-induced resistance in endometrial cancer cells. Biotechnol Lett 2024; 46:145. [PMID: 38158453 DOI: 10.1007/s10529-023-03458-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Affiliation(s)
- Meng-Yao Sun
- Central Laboratory, Seventh People's Hospital of Shanghai, University of TCM, Shanghai, 200137, China
- Department of Pharmaceutical Botany, School of Pharmacy, Second Military Medical University, Shanghai, 200137, China
| | - Jian-Yong Zhu
- Central Laboratory, Seventh People's Hospital of Shanghai, University of TCM, Shanghai, 200137, China
| | - Chun-Yan Zhang
- Central Laboratory, Seventh People's Hospital of Shanghai, University of TCM, Shanghai, 200137, China
| | - Miao Zhang
- Central Laboratory, Seventh People's Hospital of Shanghai, University of TCM, Shanghai, 200137, China
| | - Ya-Nan Song
- Central Laboratory, Seventh People's Hospital of Shanghai, University of TCM, Shanghai, 200137, China
| | - Khalid Rahman
- Faculty of Science, School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool, UK
| | - Li-Jun Zhang
- Central Laboratory, Seventh People's Hospital of Shanghai, University of TCM, Shanghai, 200137, China.
| | - Hong Zhang
- Central Laboratory, Seventh People's Hospital of Shanghai, University of TCM, Shanghai, 200137, China.
- Department of Pharmaceutical Botany, School of Pharmacy, Second Military Medical University, Shanghai, 200137, China.
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Huang W, Zhu JY, Song CY, Lu YQ. Machine learning models for early prediction of potassium lowering effectiveness and adverse events in patients with hyperkalemia. Sci Rep 2024; 14:737. [PMID: 38184719 PMCID: PMC10771443 DOI: 10.1038/s41598-024-51468-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 01/05/2024] [Indexed: 01/08/2024] Open
Abstract
The aim of this study was to develop a model for early prediction of adverse events and treatment effectiveness in patients with hyperkalemia. We collected clinical data from patients with hyperkalemia in the First Hospital of Zhejiang University School of Medicine between 2015 and 2021. The least absolute shrinkage and selection operator (LASSO) and multivariate logistic regression were used to analyze the predictors on the full dataset. We randomly divided the data into a training group and a validation group, and used LASSO to filter variables in the training set. Six machine learning methods were used to develop the models. The best model was selected based on the area under the curve (AUC). Shapley additive exPlanations (SHAP) values were used to explain the best model. A total of 1074 patients with hyperkalemia were finally enrolled. Diastolic blood pressure (DBP), breathing, oxygen saturation (SPO2), Glasgow coma score (GCS), liver disease, oliguria, blood sodium, international standardized ratio (ISR), and initial blood potassium were the predictors of the occurrence of adverse events; peripheral edema, estimated glomerular filtration rate (eGFR), blood sodium, actual base residual, and initial blood potassium were the predictors of therapeutic effect. Extreme gradient boosting (XGBoost) model achieved the best performance (adverse events: AUC = 0.87; therapeutic effect: AUC = 0.75). A model based on clinical characteristics was developed and validated with good performance.
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Affiliation(s)
- Wei Huang
- Department of Emergency Medicine, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China
- Key Laboratory for Diagnosis and Treatment of Aging and Physic-Chemical Injury Diseases of Zhejiang Province, Hangzhou, 310003, Zhejiang, People's Republic of China
| | - Jian-Yong Zhu
- Department of Emergency Medicine, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China
- Key Laboratory for Diagnosis and Treatment of Aging and Physic-Chemical Injury Diseases of Zhejiang Province, Hangzhou, 310003, Zhejiang, People's Republic of China
| | - Cong-Ying Song
- Department of Emergency Medicine, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China
- Key Laboratory for Diagnosis and Treatment of Aging and Physic-Chemical Injury Diseases of Zhejiang Province, Hangzhou, 310003, Zhejiang, People's Republic of China
| | - Yuan-Qiang Lu
- Department of Emergency Medicine, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, 310003, Zhejiang, People's Republic of China.
- Key Laboratory for Diagnosis and Treatment of Aging and Physic-Chemical Injury Diseases of Zhejiang Province, Hangzhou, 310003, Zhejiang, People's Republic of China.
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Bian RH, Huang SX, Zhu JY, Wu J, Fan KW, Hu ZC, Xu YB, Yu QH, Zhang T, Li XY, Chen SZ. [Establishment of a topographic map assessment system for facial and cervical wounds and scars of burn patients based on the Delphi method]. Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi 2023; 39:1115-1121. [PMID: 38129297 DOI: 10.3760/cma.j.cn501225-20230905-00075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Objective: To construct a targeted and accurate evaluation system for facial and cervical wounds and scars of burn patients. Methods: The method combining literature analysis and survey research was adopted, and the basic principles of item system construction were followed. From June to August 2020, based on the aesthetic standards of facial and cervical plastic surgery, the topographic map assessment system for facial and cervical wounds and scars of burn patients was preliminarily formed, focusing on the assessment of wounds and scars in the necks and faces of patients after burns. In September 2020, 38 experts in the relevant fields were consulted in advance and the questionnaire was revised according to the experts' opinions. From December 2020 to March 2021, the Delphi method was applied to conduct inquiry by correspondence with 35 experts in relevant fields from Guangzhou, Shenzhen, Shanghai, Beijing, and other cities, who met the inclusion criteria, and the items were screened and established. The effective recovery rate of inquiry questionnaire was calculated to determine the level of enthusiasm of experts, the average authority coefficient of all items was calculated to determine the level of expert authority, the average importance expert score, the average coefficient of variation, and the average full score rate of all the third-level items were calculated to determine the concentration of expert opinions, the average coefficients of variation and Kendall's harmony coefficients of the importance, sensitivity, and operability expert scores of all the third-level items were calculated to determine the degree of coordination of expert opinions. The Kendall's harmony coefficients for the importance, sensitivity, and operability expert scores of all the third-level items were statistically analyzed with chi-square test. Results: Among the 35 experts consulted by Delphi method, mainly were male, aged (48±10) years, with 8-38 years of working experience, mainly with associate senior titles and above, all with a bachelor's degree or above education background, and of whom 11 were burn experts, 7 were wound repair experts, 4 were plastic surgery experts, and 13 were rehabilitation medicine experts. Finally, a topographic map assessment system for facial and cervical wounds and scars of burn patients was formed, including 4 first-level items, 21 second-level items, 40 third-level items, and 1 mask. The effective recovery rate of inquiry questionnaire was 100% (35/35). The average authority coefficient of all items was 0.89. The average importance expert score was 4.67, the average coefficient of variation of importance expert score was 0.01, and the average full score rate of all the third-level items was 86.3%. The average coefficients of variation of the importance, sensitivity, and operability expert scores of all the third-level items were 0.01, 0.01, and 0.02, respectively. The Kendall's harmony coefficients for the importance, sensitivity, and operability expert scores of all the third-level items were statistically significant (with χ2 values of 1 201.53, 745.67, and 707.07, respectively, P<0.05). Conclusions: The established topographic map assessment system for facial and cervical wounds and scars of burn patients has high scientificity and reliability, which can be used for the evaluation of facial and neck wounds or scars in burn patients.
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Affiliation(s)
- R H Bian
- Department of Rehabilitation Medicine, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - S X Huang
- Department of Burns and Wound Repair Surgery, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - J Y Zhu
- Department of Burns and Wound Repair Surgery, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - J Wu
- Department of Burns and Plastic Surgery, the First Affiliated Hospital, Shenzhen University, Shenzhen 518035, China
| | - K W Fan
- Department of Burns and Plastic Surgery, the First Affiliated Hospital, Shenzhen University, Shenzhen 518035, China
| | - Z C Hu
- Department of Burns and Wound Repair Surgery, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - Y B Xu
- Department of Burns and Wound Repair Surgery, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - Q H Yu
- Department of Rehabilitation Medicine, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - T Zhang
- Department of Rehabilitation Medicine, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - X Y Li
- Department of Rehabilitation Medicine, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - S Z Chen
- Department of Rehabilitation Medicine, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
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Tao X, Zhu JY, Xu ZQ, Wu QJ, Jin D, Zhang Y, Luo Y, Huang WX. [A case analysis of multidisciplinary treatment for a patient with esthetic defects of upper anterior teeth with the aid of digital technology]. Zhonghua Kou Qiang Yi Xue Za Zhi 2023; 58:1296-1299. [PMID: 38061873 DOI: 10.3760/cma.j.cn112144-20230816-00085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Affiliation(s)
- X Tao
- Department of Prosthodontics, Stomatological Hospital of Xiamen Medical College & Xiamen Key Laboratory of Stomatological Disease Diagnosis and Treatment, Xiamen 361009, China
| | - J Y Zhu
- Department of Prosthodontics, Stomatological Hospital of Xiamen Medical College & Xiamen Key Laboratory of Stomatological Disease Diagnosis and Treatment, Xiamen 361009, China
| | - Z Q Xu
- Department of Digital Clinical Department, Stomatological Hospital of Xiamen Medical College & Xiamen Key Laboratory of Stomatological Disease Diagnosis and Treatment, Xiamen 361009, China
| | - Q J Wu
- Department of Prosthodontics, Stomatological Hospital of Xiamen Medical College & Xiamen Key Laboratory of Stomatological Disease Diagnosis and Treatment, Xiamen 361009, China
| | - D Jin
- Department of Digital Clinical Department, Stomatological Hospital of Xiamen Medical College & Xiamen Key Laboratory of Stomatological Disease Diagnosis and Treatment, Xiamen 361009, China
| | - Y Zhang
- Department of Prosthodontics, Stomatological Hospital of Xiamen Medical College & Xiamen Key Laboratory of Stomatological Disease Diagnosis and Treatment, Xiamen 361009, China
| | - Y Luo
- Department of Digital Clinical Department, Stomatological Hospital of Xiamen Medical College & Xiamen Key Laboratory of Stomatological Disease Diagnosis and Treatment, Xiamen 361009, China
| | - W X Huang
- Department of Periodontics, Stomatological Hospital of Xiamen Medical College, Xiamen Key Laboratory of Stomatological Disease Diagnosis and Treatment, Xiamen 361009, China
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Zhang CY, Xu S, Yu L, Nie YW, Li SB, Zhu JY. Lathyrane diterpenoids from Euphorbia lathyris induce cell-cycle arrest and apoptosis in human hypertrophic scar cells. Nat Prod Res 2023:1-10. [PMID: 37948162 DOI: 10.1080/14786419.2023.2280736] [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: 09/12/2023] [Accepted: 11/02/2023] [Indexed: 11/12/2023]
Abstract
One new lathyrane-type diterpenoid, euphlathin A (1), and 11 known analogues (2-12), were isolated from the fruits of Euphorbia lathyris. Their structures were elucidated by spectroscopic data. The absolute configurations of 1 were established by single-crystal X-ray crystallography. All diterpenoids (1-12) were evaluated for antiproliferative activity against the human hypertrophic scar (HTS) cells. Compound 1 exhibited significantly against HTS cells growth with an IC50 value of 6.33 μM. Morphological features of apoptosis were evaluated in 1-treated HTS cells. Wound healing assays indicated that 1 significantly inhibited the migration of HTS at 24 h and 48 h. Compound 1 effectively induced apoptosis of HTS, which was associated with G2/M or S phase cell cycle arrest. Flow cytometric analysis showed that the treatment by 1 significantly induced HTS cell apoptosis in a dose-dependent manner. Overall, euphlathin A (1) has the potential to be a therapeutic agent for the treatment of hyperplastic scar therapy.
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Affiliation(s)
- Chun-Yan Zhang
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Shun Xu
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Lei Yu
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Yi-Wen Nie
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Si-Bo Li
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Jian-Yong Zhu
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
- School of Pharmaceutical Science & Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming, Yunnan, P.R. China
- Department of Pharmacy Research, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, P.R. China
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Meng T, Ding Y, Liu Y, Xu L, Mao Y, Gelfond J, Li S, Li Z, Salipante PF, Kim H, Zhu JY, Pan X, Hu L. In Situ Lignin Adhesion for High-Performance Bamboo Composites. Nano Lett 2023; 23:8411-8418. [PMID: 37677149 DOI: 10.1021/acs.nanolett.3c01497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/09/2023]
Abstract
Bamboo composite is an attractive candidate for structural materials in applications such as construction, the automotive industry, and logistics. However, its development has been hindered due to the use of harmful petroleum-derived synthetic adhesives or low-bonding biobased adhesives. Herein, we report a novel bioadhesion strategy based on in situ lignin bonding that can process natural bamboo into a scalable and high-performance composite. In this process, lignin bonds the cellulose fibrils into a strong network via a superstrong adhesive interface formed by hydrogen bonding and nanoscale entanglement. The resulting in situ glued-bamboo (glubam) composite exhibits a record-high shear strength of ∼4.4 MPa and a tensile strength of ∼300 MPa. This in situ lignin adhesion strategy is facile, highly scalable, and cost-effective, suggesting a promising route for fabricating strong and sustainable structural bamboo composites that sequester carbon and reduce our dependence on petrochemical-based adhesives.
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Affiliation(s)
- Taotao Meng
- Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, United States
| | - Yu Ding
- Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, United States
| | - Yu Liu
- Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, United States
| | - Lin Xu
- Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, United States
| | - Yimin Mao
- Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, United States
- NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Julia Gelfond
- Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, United States
- Montgomery Blair High School, Silver Spring, Maryland 20901, United States
| | - Shuke Li
- Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, United States
| | - Zhihan Li
- Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, United States
| | - Paul F Salipante
- Polymers and Complex Fluids Group, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Hoon Kim
- U.S. Department of Agriculture, Forest Service, Forest Products Laboratory, Madison, Wisconsin 53726, United States
| | - J Y Zhu
- U.S. Department of Agriculture, Forest Service, Forest Products Laboratory, Madison, Wisconsin 53726, United States
| | - Xuejun Pan
- Department of Biological Systems Engineering, University of Wisconsin─Madison, Madison, Wisconsin 53706, United States
| | - Liangbing Hu
- Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, United States
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Zhang X, Kitin P, Agarwal UP, Gleisner R, Zhu JY. Characterizing lignin-containing microfibrillated cellulose based on water interactions, fibril properties, and imaging. Carbohydr Polym 2023; 316:120996. [PMID: 37321718 DOI: 10.1016/j.carbpol.2023.120996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 04/25/2023] [Accepted: 05/05/2023] [Indexed: 06/17/2023]
Abstract
Morphological characterization of microfibrillated cellulose (MFC) is critically important to process control in production and product specification for trade and product development yet is extremely difficult. This study evaluated several indirect methods for relative comparison of the morphology of lignin-free and lignin-containing ((L)MFCs). The (L)MFCs studied were produced using a commercial grinder through different passes from a dry lap bleached kraft eucalyptus pulp, a virgin mixed (maple and birch) unbleached kraft hardwood pulp, and two virgin-unbleached kraft softwood (loblolly pine) pulps with one bleachable grade (low lignin content) and one liner grade (high lignin content). The (L)MFCs were indirectly characterized using techniques based on water interactions, i.e., water retention value (WRV) and fibril suspension stability, as well as fibril properties, i.e., cellulose crystallinity and fine content. Optical microscopy and scanning electron microscopy were also applied to directly visualize the (L)MFCs to provide some objective measure of the morphology of the (L)MFCs. The results indicate that most measures such as WRV, cellulose crystallinity, fine content cannot be used to compare (L)MFCs from different pulp fibers. Measures based on water interactions such as (L)MFC WRV and suspension stability appeared can provide some degree of indirect assessment. This study provided the utilities and limits of these indirect methods for relative comparison of the morphologies of (L)MFCs.
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Affiliation(s)
- Xiaoxue Zhang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Jiangsu Provincial Key Lab of Pulp & Paper Science & Technology, Nanjing Forestry University, Nanjing 210037, China; USDA Forest Products Laboratory, Madison 53726, USA
| | - Peter Kitin
- USDA Forest Products Laboratory, Madison 53726, USA
| | | | | | - J Y Zhu
- USDA Forest Products Laboratory, Madison 53726, USA.
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Kuang TY, Yin SQ, Dai WH, Luo L, Chen T, Liang XH, Wang RX, Liang HP, Zhu JY. [Effects of enhancing the expression of aryl hydrocarbon receptor in post-traumatic mice macrophages on the inflammatory cytokine level and bactericidal ability]. Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi 2023; 39:633-640. [PMID: 37805692 DOI: 10.3760/cma.j.cn501225-20230210-00040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 10/09/2023]
Abstract
Objective: To explore the expression pattern of aryl hydrocarbon receptor (AhR) in mice peritoneal macrophages (PMs) after major trauma and analyze the effects of enhanced AhR expression on the inflammatory cytokine level and bactericidal ability after trauma. Methods: The experimental study method was used. Forty 6-8-week-old male C57BL/6J mice (the same mouse age, sex, and strain below) were divided into control group, post trauma hour (PTH) 2 group, PTH 6 group, and PTH 12 group according to the random number table (the same grouping method below), with 10 mice in each group. Mice in the latter 3 groups were constructed as severe trauma model with fracture+blood loss, while mice in control group were left untreated. The primary PMs (the same cells below) were extracted from the mice in control group, PTH 2 group, PTH 6 group, and PTH 12 group when uninjured or at PTH 2, 6, and 12, respectively. Then the protein and mRNA expressions of AhR were detected by Western blotting and real-time fluorescence quantitative reverse transcription polymerase chain reaction, respectively, and the gene expressions of AhR signaling pathway related molecules were analyzed by transcriptome sequencing. Twenty mice were divided into control group and PTH 6 group, with 10 mice in each group, and the PMs were extracted. The level of ubiquitin of AhR was detected by immunoprecipitation. Twelve mice were divided into dimethyl sulfoxide (DMSO) alone group, PTH 6+DMSO group, MG-132 alone group, and PTH 6+MG-132 group, with 3 mice in each group. After the corresponding treatment, PMs were extracted, and the protein expression of AhR was detected by Western blotting. Twenty mice were constructed as PTH 6 model. Then, the PMs were extracted and divided into empty negative control adenovirus (Ad-NC) group and AhR overexpression adenovirus (Ad-AhR) group. The protein expression of AhR was detected by Western blotting at 36 h after some PMs were transfected with the corresponding adenovirus. The rest cells in Ad-NC group were divided into Ad-NC alone group and Ad-NC+endotoxin/lipopolysaccharide (LPS) group, and the rest cells in Ad-AhR group were divided into Ad-AhR alone group and Ad-AhR+LPS group. The expressions of interleukin-6 (IL-6) and tumor necrosis factor α (TNF-α) in the cell supernatant were detected by enzyme-linked immunosorbent assay at 12 h after the corresponding treatment (n=6). Twenty mice were obtained to extract PMs. The cells were divided into control+Ad-NC group, PTH 6+Ad-NC group, control+Ad-AhR group, and PTH 6+Ad-AhR group, and the intracellular bacterial load was detected by plate spread method after the corresponding treatment (n=6). Data were statistically analyzed with one-way analysis of variance, least significant difference test, analysis of variance for factorial design, and independent sample t test. Results: Compared with 1.16±0.28 of control group, the protein expressions of AhR in PMs in PTH 2 group (0.59±0.14), PTH 6 group (0.72±0.16), and PTH 12 group (0.71±0.17) were all significantly decreased (P<0.05). The overall comparison of the difference of AhR mRNA expression in PMs among control group, PTH 2 group, PTH 6 group, and PTH 12 group showed no statistical significance (P>0.05). The AhR signaling pathway related molecules included AhR, AhR inhibitor, cytochrome P450 family member 1b1, cytochrome P450 family member 11a1, heat shock protein 90, aryl hydrocarbon receptor-interaction protein, and heat shock protein 70 interaction protein. The heat shock protein 90 expression of PMs in PTH 2 group was higher than that in control group, while the expressions of other molecules did not change significantly after trauma. Compared with that in control group, the level of ubiquitin of AhR in PMs in PTH 6 group was increased. Compared with that in DMSO alone group, the protein expression of AhR in PMs in PTH 6+DMSO group was decreased, while that in PMs in MG-132 alone group had no significant change. Compared with that in PTH 6+DMSO group, the protein expression of AhR in PMs in PTH 6+MG-132 group was up-regulated. At transfection hour 36, compared with that in Ad-NC group, the protein expression of AhR in PMs in Ad-AhR group was increased. At treatment hour 12, compared with those in Ad-NC+LPS group, the expressions of IL-6 and TNF-α in PM supernatant of Ad-AhR+LPS group were significantly decreased (with t values of 4.80 and 3.82, respectively, P<0.05). The number of intracellular bacteria of 1×106 PMs in control+Ad-NC group, PTH 6+Ad-NC group, control+Ad-AhR group, and PTH 6+Ad-AhR group was (3.0±1.8), (41.8±10.2), (1.8±1.2), and (24.2±6.3) colony forming unit, respectively. Compared with that in PTH 6+Ad-NC group, the number of intracellular bacteria of PMs in PTH 6+Ad-AhR group was significantly decreased (t=3.61, P<0.05). Conclusions: Ubiquitin degradation of AhR in PMs of mice after major trauma results in decreased protein expression of AhR. Increasing the expression of AhR in post-traumatic macrophages can reduce the expressions of LPS-induced inflammatory cytokines IL-6 and TNF-α, and improve the bactericidal ability of macrophages after trauma.
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Affiliation(s)
- T Y Kuang
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Wound Infection and Drug, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - S Q Yin
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Wound Infection and Drug, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - W H Dai
- Emergency Department of the Second Affiliated Hospital of Hainan Medical University, the Emergency and Critical Care Clinical Medicine Research Center of Hainan, Haikou 570216, China
| | - L Luo
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Wound Infection and Drug, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - T Chen
- The 17th Team of Cadet Brigade, College of Basic Medical Sciences, Army Medical University, Chongqing 400038, China
| | - X H Liang
- The 17th Team of Cadet Brigade, College of Basic Medical Sciences, Army Medical University, Chongqing 400038, China
| | - R X Wang
- Emergency Department of the Second Affiliated Hospital of Hainan Medical University, the Emergency and Critical Care Clinical Medicine Research Center of Hainan, Haikou 570216, China
| | - H P Liang
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Wound Infection and Drug, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - J Y Zhu
- State Key Laboratory of Trauma, Burns and Combined Injury, Department of Wound Infection and Drug, Daping Hospital, Army Medical University, Chongqing 400042, China
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11
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Zhu JY, Zhang X, Huang CH, Wang L, Chen R, Ding XL. [Evaluation of thermal environment and human thermal comfort in 8 types of public places from 2019 to 2021]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2023; 41:189-197. [PMID: 37006144 DOI: 10.3760/cma.j.cn121094-20220428-00229] [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: 04/04/2023]
Abstract
Objective: To evaluate the thermal environment of different types of public places and the thermal comfort of employees, so as to provide scientific basis for the establishment of microclimate standards and health supervision requirements. Methods: From June 2019 to December 2021, 50 public places (178 times) of 8 categories in Wuxi were selected, including hotels, swimming pools (gymnasiums), bathing places, shopping malls (supermarkets), barber shops, beauty shops, waiting rooms (bus station) and gyms. In summer and winter, microclimate indicators such as temperature and wind speed were measured in all kinds of places, combined with the work attire and physical activity of employees in the places. Fanger thermal comfort equation and center for the built environment (CBE) thermal comfort calculation tool were used to evaluate the predicted mean vote (PMV), predicted percent dissatisfied (PPD) and standard effective temperature (SET) according to the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) 55-2020. The modification effects of seasonal and temperature control conditions on thermal comfort were analyzed. The consistency of GB 37488-2019 "Hygienic Indicators and Limits in Public Places" and ASHRAE 55-2020 evaluation results on thermal environment was compared. Results: The thermal sensation of hotel, barber shop staff and the gym front-desk staff were moderate, while the thermal sensation of swimming place lifeguard, bathing place cleaning staff and gym trainer were slightly warm in summer and winter. Waiting room (bus station) cleaning and working staff, shopping mall staff felt slightly warm in summer and moderate in winter. Service staff in bathing places felt slightly warm in winter, while staff in beauty salons felt slightly cool in winter. The thermal comfort compliance of hotel cleaning staff and shopping mall staff in summer was lower than that in winter (χ(2)=7.01, 7.22, P=0.008, 0.007). The thermal comfort compliance of shopping mall staff in the condition of air conditioning off was higher than that in the condition of air conditioning on (χ(2)=7.01, P=0.008). The SET values of front-desk staff in hotels with different health supervision levels were significantly different (F=3.30, P=0.024). The PPD value and SET value of the front-desk staff, and the PPD value of cleaning staff of hotels above three stars were lower than those of hotels below three stars (P<0.05). The thermal comfort compliance of front-desk staff and cleaning staff in hotels above three stars was higher than that in hotels below three stars (χ(2)=8.33, 8.09, P=0.016, 0.018). The consistency of the two criteria was highest among waiting room (bus station) staff (100.0%, 1/1) and lowest among gym front-desk staff (0%, 0/2) and waiting room (bus station) cleaning staff (0%, 0/1) . Conclusion: There are different degrees of thermal discomfort in different seasons, under the condition of air conditioning and health supervision, and the microclimate indicators can not fully reflect the thermal comfort of human body. The health supervision of microclimate should be strengthened, the applicability of health standard limit value should be evaluated in many aspects, and the thermal comfort of occupational group should be improved.
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Affiliation(s)
- J Y Zhu
- Department of Environmental Health, Wuxi Center for Disease Control and Prevention (Wuxi Center for Disease Control and Prevention Affiliated to Nanjing Medical University), Wuxi 214023, China
| | - X Zhang
- Department of Environmental Health, Wuxi Center for Disease Control and Prevention (Wuxi Center for Disease Control and Prevention Affiliated to Nanjing Medical University), Wuxi 214023, China
| | - C H Huang
- Department of Environmental Health, Wuxi Center for Disease Control and Prevention (Wuxi Center for Disease Control and Prevention Affiliated to Nanjing Medical University), Wuxi 214023, China
| | - L Wang
- Department of Environmental Health, Wuxi Center for Disease Control and Prevention (Wuxi Center for Disease Control and Prevention Affiliated to Nanjing Medical University), Wuxi 214023, China
| | - R Chen
- Department of Environmental Health, Wuxi Center for Disease Control and Prevention (Wuxi Center for Disease Control and Prevention Affiliated to Nanjing Medical University), Wuxi 214023, China
| | - X L Ding
- Department of Environmental Health, Wuxi Center for Disease Control and Prevention (Wuxi Center for Disease Control and Prevention Affiliated to Nanjing Medical University), Wuxi 214023, China
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12
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Ding Y, Pang Z, Lan K, Yao Y, Panzarasa G, Xu L, Lo Ricco M, Rammer DR, Zhu JY, Hu M, Pan X, Li T, Burgert I, Hu L. Emerging Engineered Wood for Building Applications. Chem Rev 2023; 123:1843-1888. [PMID: 36260771 DOI: 10.1021/acs.chemrev.2c00450] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The building sector, including building operations and materials, was responsible for the emission of ∼11.9 gigatons of global energy-related CO2 in 2020, accounting for 37% of the total CO2 emissions, the largest share among different sectors. Lowering the carbon footprint of buildings requires the development of carbon-storage materials as well as novel designs that could enable multifunctional components to achieve widespread applications. Wood is one of the most abundant biomaterials on Earth and has been used for construction historically. Recent research breakthroughs on advanced engineered wood products epitomize this material's tremendous yet largely untapped potential for addressing global sustainability challenges. In this review, we explore recent developments in chemically modified wood that will produce a new generation of engineered wood products for building applications. Traditionally, engineered wood products have primarily had a structural purpose, but this review broadens the classification to encompass more aspects of building performance. We begin by providing multiscale design principles of wood products from a computational point of view, followed by discussion of the chemical modifications and structural engineering methods used to modify wood in terms of its mechanical, thermal, optical, and energy-related performance. Additionally, we explore life cycle assessment and techno-economic analysis tools for guiding future research toward environmentally friendly and economically feasible directions for engineered wood products. Finally, this review highlights the current challenges and perspectives on future directions in this research field. By leveraging these new wood-based technologies and analysis tools for the fabrication of carbon-storage materials, it is possible to design sustainable and carbon-negative buildings, which could have a significant impact on mitigating climate change.
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Affiliation(s)
- Yu Ding
- Department of Materials Science and Engineering, University of Maryland, College Park, Maryland20742, United States
| | - Zhenqian Pang
- Department of Mechanical Engineering, University of Maryland, College Park, Maryland20742, United States
| | - Kai Lan
- Center for Industrial Ecology, Yale School of the Environment, Yale University, New Haven, Connecticut06511, United States
| | - Yuan Yao
- Center for Industrial Ecology, Yale School of the Environment, Yale University, New Haven, Connecticut06511, United States
| | - Guido Panzarasa
- Wood Materials Science, Institute for Building Materials, ETH Zürich, 8093Zürich, Switzerland.,WoodTec Group, Cellulose & Wood Materials, Empa, 8600Dübendorf, Switzerland
| | - Lin Xu
- Department of Materials Science and Engineering, University of Maryland, College Park, Maryland20742, United States
| | - Marco Lo Ricco
- US Department of Agriculture (USDA) Forest Products Laboratory, Madison, Wisconsin53726, United States
| | - Douglas R Rammer
- US Department of Agriculture (USDA) Forest Products Laboratory, Madison, Wisconsin53726, United States
| | - J Y Zhu
- US Department of Agriculture (USDA) Forest Products Laboratory, Madison, Wisconsin53726, United States
| | - Ming Hu
- School of Architecture, Planning and Preservation, University of Maryland, College Park, Maryland20742, United States
| | - Xuejun Pan
- Department of Biological Systems Engineering, University of Wisconsin─Madison, Madison, Wisconsin53706, United States
| | - Teng Li
- Department of Mechanical Engineering, University of Maryland, College Park, Maryland20742, United States
| | - Ingo Burgert
- Wood Materials Science, Institute for Building Materials, ETH Zürich, 8093Zürich, Switzerland.,WoodTec Group, Cellulose & Wood Materials, Empa, 8600Dübendorf, Switzerland
| | - Liangbing Hu
- Department of Materials Science and Engineering, University of Maryland, College Park, Maryland20742, United States.,Center for Materials Innovation, University of Maryland, College Park, Maryland20742, United States
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13
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Zhang JT, Wu MF, Ma MH, Zhao L, Zhu JY, Nian H, Li FL. Research on the wound healing effect of Shengji Huayu Formula ethanol extract-derived fractions in streptozotocin-induced diabetic ulcer rats. BMC Complement Med Ther 2023; 23:67. [PMID: 36859252 PMCID: PMC9976525 DOI: 10.1186/s12906-023-03894-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Accepted: 02/17/2023] [Indexed: 03/03/2023] Open
Abstract
BACKGROUND Diabetic ulcer is a common complication of diabetes. It is characterized by a long-term disease course and high recurrence rate. Shengji Huayu Formula (SHF) is an effective formula for treating diabetic ulcers. However, the specific effective parts of SHF remain unclear. Clarifying the active polar site of SHF would be helpful to refine research on the components in SHF that promote wound healing. This research aims to focus on evaluating the activity of polar fractions. METHODS A diabetic rat model was established by intraperitoneally injecting streptozotocin (STZ) and was adopted to confirm the therapeutic effect of SHF. Four different polarity parts were extracted from SHF and prepared into a cream to evaluate the activity. High-performance liquid chromatography (HPLC) was used to detect chemical constituents in chloroform extracts. RESULTS It was discovered that dracorhodin, aloe-emodin, rhein, imperatorin, emodin, isoimperatorin, chrysophanol, physcion, and tanshinone IIA were the main components of the chloroform extract from SHF. The results revealed that chloroform extract could effectively accelerate diabetic wound healing by promoting collagen regeneration and epidermal repair. Chloroform extract of SHF could stimulate the generation of vascular endothelial growth factor (VEGF). The results are also indicated that the effective active fraction was the chloroform part, and the method of detecting the main chemical constituents in the active part was successfully established. CONCLUSION SHF could improve diabetic ulcers by promoting granulation tissue synthesis. In this study, four polar parts (petroleum ether, chloroform, ethylacetate, n-butanol) were extracted from a 95% ethanol extract. In contrast, chloroform polar parts showed a higher wound closure rate, stimulated more collagen regeneration and promoted more production of vascular endothelial cells. In conclusion, the chloroform extract of SHF was the effective polar part in ameliorating diabetic wound healing.
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Affiliation(s)
- Jing-Ting Zhang
- grid.412540.60000 0001 2372 7462Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437 China ,grid.412540.60000 0001 2372 7462Department of Pharmacy, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Yueyang, 200437 China ,grid.16821.3c0000 0004 0368 8293Department of Ophthalmology, Shanghai General Hospital (Shanghai First People’s Hospital), Shanghai Jiao Tong University, Shanghai, 200080 China
| | - Min-Feng Wu
- grid.8547.e0000 0001 0125 2443Department of Dermatology, Huadong Hospital, Fudan University, Shanghai, 200040 China
| | - Ming-Hua Ma
- grid.460149.e0000 0004 1798 6718Department of Pharmacy, Yangpu Hospital, Tongji University School of Medicine, Shanghai, 200090 China
| | - Liang Zhao
- Department of Pharmacy, Shanghai Baoshan Luodian Hospital, Shanghai, 201908 China
| | - Jian-Yong Zhu
- grid.412540.60000 0001 2372 7462Department of Pharmacy Research, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437 China
| | - Hua Nian
- Department of Pharmacy, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Yueyang, 200437, China.
| | - Fu-Lun Li
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China.
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14
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Tang H, Wang H, Fang Y, Zhu JY, Yin J, Shen YX, Zeng ZC, Jiang DX, Hou YY, Du M, Lian CH, Zhao Q, Jiang HJ, Gong L, Li ZG, Liu J, Xie DY, Li WF, Chen C, Zheng B, Chen KN, Dai L, Liao YD, Li K, Li HC, Zhao NQ, Tan LJ. Neoadjuvant chemoradiotherapy versus neoadjuvant chemotherapy followed by minimally invasive esophagectomy for locally advanced esophageal squamous cell carcinoma: a prospective multicenter randomized clinical trial. Ann Oncol 2023; 34:163-172. [PMID: 36400384 DOI: 10.1016/j.annonc.2022.10.508] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [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: 05/08/2022] [Revised: 09/29/2022] [Accepted: 10/13/2022] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Neoadjuvant therapy is recommended for locally advanced esophageal cancer, but the optimal strategy remains unclear. We aimed to evaluate the safety and efficacy of neoadjuvant chemoradiotherapy (nCRT) versus neoadjuvant chemotherapy (nCT) followed by minimally invasive esophagectomy (MIE) for locally advanced esophageal squamous cell carcinoma (ESCC). PATIENTS AND METHODS Eligible patients staged as cT3-4aN0-1M0 ESCC were randomly assigned (1 : 1) to the nCRT or nCT group stratified by age, cN stage, and centers. The chemotherapy, based on paclitaxel and cisplatin, was administered to both groups, while concurrent radiotherapy was added for the nCRT group; then MIE was carried out. The primary endpoint was 3-year overall survival. This study is registered with ClinicalTrials.gov (NCT03001596). RESULTS A total of 264 patients were eligible for the intention-to-treat analysis. By 30 November 2021, 121 deaths had occurred. The median follow-up was 43.9 months (interquartile range 36.6-49.3 months). The overall survival in the intention-to-treat population was comparable between the nCRT and nCT strategies [hazard ratio (HR) 0.82, 95% confidence interval (CI) 0.58-1.18; P = 0.28], with a 3-year survival rate of 64.1% (95% CI 56.4% to 72.9%) versus 54.9% (95% CI 47.0% to 64.2%), respectively. There were also no differences in progression-free survival (HR 0.83, 95% CI 0.59-1.16; P = 0.27) and recurrence-free survival (HR 1.07, 95% CI 0.71-1.60; P = 0.75), although the pathological complete response in the nCRT group (31/112, 27.7%) was significantly higher than that in the nCT group (3/104, 2.9%; P < 0.001). Besides, a trend of lower risk of recurrence was observed in the nCRT group (P = 0.063), while the recurrence pattern was similar (P = 0.802). CONCLUSIONS NCRT followed by MIE was not associated with significantly better overall survival than nCT among patients with cT3-4aN0-1M0 ESCC. The results underscore the pending issue of the best strategy of neoadjuvant therapy for locally advanced bulky ESCC.
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Affiliation(s)
- H Tang
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai; Cancer Center, Zhongshan Hospital, Fudan University, Shanghai
| | - H Wang
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai; Cancer Center, Zhongshan Hospital, Fudan University, Shanghai
| | - Y Fang
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai; Cancer Center, Zhongshan Hospital, Fudan University, Shanghai
| | - J Y Zhu
- Cancer Center, Zhongshan Hospital, Fudan University, Shanghai; Department of Radiotherapy, Zhongshan Hospital, Fudan University, Shanghai
| | - J Yin
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai; Cancer Center, Zhongshan Hospital, Fudan University, Shanghai
| | - Y X Shen
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai; Cancer Center, Zhongshan Hospital, Fudan University, Shanghai
| | - Z C Zeng
- Cancer Center, Zhongshan Hospital, Fudan University, Shanghai; Department of Radiotherapy, Zhongshan Hospital, Fudan University, Shanghai
| | - D X Jiang
- Cancer Center, Zhongshan Hospital, Fudan University, Shanghai; Department of Pathology, Zhongshan Hospital, Fudan University, Shanghai
| | - Y Y Hou
- Cancer Center, Zhongshan Hospital, Fudan University, Shanghai; Department of Pathology, Zhongshan Hospital, Fudan University, Shanghai
| | - M Du
- Department of Cardiothoracic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing
| | - C H Lian
- Department of General Surgery, Heping Hospital Affiliated to Changzhi Medical College, Changzhi
| | - Q Zhao
- Department of General Surgery, Heping Hospital Affiliated to Changzhi Medical College, Changzhi
| | - H J Jiang
- Department of Minimally Invasive Esophageal Surgery, Tianjin Medical University Cancer Institute and Hospital, Tianjin
| | - L Gong
- Department of Esophageal Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin
| | - Z G Li
- Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai
| | - J Liu
- Department of Radiotherapy, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai
| | - D Y Xie
- Department of Thoracic Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou
| | - W F Li
- Department of Radiation Oncology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou
| | - C Chen
- Department of Thoracic Surgery, Fujian Medical University Union Hospital, Fuzhou
| | - B Zheng
- Department of Thoracic Surgery, Fujian Medical University Union Hospital, Fuzhou
| | - K N Chen
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), The First Department of Thoracic Surgery, Peking University Cancer Hospital and Institute, Peking University School of Oncology, Beijing
| | - L Dai
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), The First Department of Thoracic Surgery, Peking University Cancer Hospital and Institute, Peking University School of Oncology, Beijing
| | - Y D Liao
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan
| | - K Li
- Department of Thoracic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan
| | - H C Li
- Department of Thoracic Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai
| | - N Q Zhao
- Department of Biostatistics, School of Public Health, Fudan University, Shanghai, China
| | - L J Tan
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai; Cancer Center, Zhongshan Hospital, Fudan University, Shanghai.
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15
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Guo WJ, Wang Y, Deng Y, Cheng LY, Liu X, Xi RF, Zhu SJ, Feng XY, Hua L, Ze K, Zhu JY, Guo DJ, Li FL. Therapeutic effects of the extract of Sancao Formula, a Chinese herbal compound, on imiquimod-induced psoriasis via cysteine-rich protein 61. J Integr Med 2022; 20:376-384. [PMID: 35491357 DOI: 10.1016/j.joim.2022.04.004] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 03/16/2022] [Indexed: 06/14/2023]
Abstract
OBJECTIVE Psoriasis is a common chronic inflammatory skin disease that is prone to recurrence, and the proinflammatory factor, cysteine-rich protein 61 (Cyr61), is important in its pathophysiology. Long-term clinical practice has shown that Sancao Formula (SC), a Chinese herbal compound, is effective in the treatment of psoriasis, but the precise mechanism remains unknown. In this study, we investigate the mechanism by which SC extract alleviates imiquimod (IMQ)-induced psoriasis. METHODS The expression of Cyr61 in psoriatic lesions and normal healthy skin was detected using immunohistochemical analysis to investigate the biological role of Cyr61 in models of psoriatic inflammation. A psoriatic mouse model was established by topical application of IMQ, and the effect of topical application of SC extract was evaluated using the psoriasis area and severity index (PASI) score, hematoxylin-eosin staining, and histopathological features of the skin. Next, a HaCaT cell inflammation model was established using interferon-γ (IFN-γ), and the effect of SC extract on the mRNA and protein levels of Cyr61 and intercellular cell adhesion molecule-1 (ICAM-1) was confirmed using Western blot and quantitative real-time polymerase chain reaction analyses. RESULTS Immunohistochemical staining showed that the expression of Cyr61 in psoriatic lesions was higher than that in normal skin samples (78.26% vs 41.18%, P < 0.05), and the number of Cyr61-positive cells in psoriatic lesions was also significantly higher than in normal skin (18.66 ± 2.51 vs 4.33 ± 1.52, P < 0.05). Treatment in mice with IMQ-induced psoriasis showed that SC extract could significantly improve the inflammatory phenotype, PASI score (10.875 ± 0.744 vs 3.875 ± 0.582, P < 0.05), and pathological features compared with those in IMQ model group; SC treatment was also associated with decreased levels of Cyr61 and ICAM-1. In the IFN-γ-induced inflammatory cell model, the mRNA and protein levels of Cyr61 and ICAM-1 were upregulated, while the SC extract downregulated the levels of Cyr61 and ICAM-1. CONCLUSION The results provide a theoretical basis for the involvement of Cyr61 in the pathogenesis of psoriasis, and suggest that SC should be used to target Cyr61 for the prevention of psoriasis recurrence.
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Affiliation(s)
- Wan-Jun Guo
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - Yi Wang
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - Yu Deng
- School of Medicine, Chengdu University, Chengdu 610106, Sichuan Province, China; Institute of Cancer Biology and Drug Discovery, Chengdu University, Chengdu 610106, Sichuan Province, China
| | - Lin-Yan Cheng
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - Xin Liu
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - Ruo-Fan Xi
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - Sheng-Jie Zhu
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - Xin-Yi Feng
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - Liang Hua
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - Kan Ze
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - Jian-Yong Zhu
- Clinical Laboratory Medicine Center, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - Dong-Jie Guo
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China.
| | - Fu-Lun Li
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China.
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16
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Wang GK, Sun YP, Jin WF, Yu Y, Zhu JY, Liu JS. Limonoids from Swietenia macrophylla and their antitumor activities in A375 human malignant melanoma cells. Bioorg Chem 2022; 123:105780. [PMID: 35395448 DOI: 10.1016/j.bioorg.2022.105780] [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: 11/19/2021] [Revised: 03/26/2022] [Accepted: 03/29/2022] [Indexed: 11/02/2022]
Abstract
Swietelinins A - C (1-3) and swieteliacates F - R (4-16), sixteen new limonoids and 18 known limonoids (17-34) were isolated from Swietenia macrophylla. The absolute configurations of these compounds were defined by using a combination of electronic circular dichroism data analysis and single-crystal X-ray diffraction data. Swieteliacate J (10) is the first limonoid possessing an unusual 8β, 9β-epoxy ring system. All of the compounds were tested for cytotoxicity against four human tumor cell lines (SMMC-7721, SW620, A549, and A375). Compounds 10, 11, and 19 exhibited selectively moderate cytotoxicity against four tumor cell lines, especially 19 exhibited significant cytotoxic effects against A375 with IC50 an value of 9.8 μM and was more active than the positive control, dacarbazine with an IC50 value of 22.4 μM. Compound 19 effectively induced apoptosis of A375, which was associated with G2/M-phase cell cycle arrest. Flow cytometric analysis showed that the treatment by 19 significantly induced A375 cell apoptosis in a dose-dependent manner.
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Affiliation(s)
- Guo-Kai Wang
- School of Pharmacy, Anhui University of Chinese Medicine, Anhui Province Key Laboratory of Research & Development of Chinese Medicine, Hefei 230012, PR China.
| | - Yun-Peng Sun
- School of Pharmacy, Anhui University of Chinese Medicine, Anhui Province Key Laboratory of Research & Development of Chinese Medicine, Hefei 230012, PR China
| | - Wen-Fang Jin
- School of Pharmacy, Anhui University of Chinese Medicine, Anhui Province Key Laboratory of Research & Development of Chinese Medicine, Hefei 230012, PR China
| | - Yang Yu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, PR China
| | - Jian-Yong Zhu
- Clinical Laboratory Medicine Center, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, PR China.
| | - Jin-Song Liu
- School of Pharmacy, Anhui University of Chinese Medicine, Anhui Province Key Laboratory of Research & Development of Chinese Medicine, Hefei 230012, PR China.
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17
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Zhu JY, Pei D. [Culture of pluripotent stem cell-derived hepatocytes and organoids]. Zhonghua Gan Zang Bing Za Zhi 2022; 30:244-248. [PMID: 35462478 DOI: 10.3760/cma.j.cn501113-20220318-00120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Liver is one of the most important organs in the human body. Liver diseases are also a major threat to human health and longevity. Hepatic decompensation treatment is quite difficult due to multiple reasons. Extracorporeal liver support devices are unable to solve this problem, and there is a severe shortage of orthotopic liver transplant donors. Study of pluripotent stem cell-derived hepatocytes and organoids can determine not only hepatocyte fate, but also liver development, regeneration mechanisms, and pathophysiology. Furthermore, it can be used for drug screening in order to provide a stable source of functional hepatocytes for future transplantation therapy. Culture of pluripotent stem cell-derived hepatocytes and organoids has a self-organizing process similar to liver development, i.e., starting with changes in several key factors, and eventually forming functionally complex cells/organs. This paper introduces the main methods and progress of pluripotent stem cell-derived hepatocytes and organoids, with hope to provide clues for future research.
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Affiliation(s)
- J Y Zhu
- Guangzhou Institute of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510535, China
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18
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Zhu JY, Mei ZB, Zhang ZJ, Yang W, Zhao WW, Xu J, Zou QQ, Wang QM. [Clinical efficacy of the modified separation of external anal sphincter for the treatment of high horseshoe anal fistula]. Zhonghua Wei Chang Wai Ke Za Zhi 2021; 24:1111-1115. [PMID: 34923798 DOI: 10.3760/cma.j.cn441530-20201031-00581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
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19
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Shen YL, Jiang YP, Li XQ, Wang SJ, Ma MH, Zhang CY, Zhu JY, Rahman K, Zhang LJ, Luan X, Zhang H. Corrigendum: ErHuang Formula Improves Renal Fibrosis in Diabetic Nephropathy Rats by Inhibiting CXCL6/JAK/STAT3 Signaling Pathway. Front Pharmacol 2021; 12:789192. [PMID: 34867422 PMCID: PMC8637534 DOI: 10.3389/fphar.2021.789192] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 10/29/2021] [Indexed: 11/27/2022] Open
Affiliation(s)
- Yu-Li Shen
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yi-Ping Jiang
- Department of Pharmacognosy, School of Pharmacy, Second Military Medical University, Shanghai, China
| | - Xiao-Qin Li
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Su-Juan Wang
- Department of Drug Preparation, Hospital of TCM and Hui Nationality Medicine, Ningxia Medical University, Wuzhong, China
| | - Ming-Hua Ma
- Department of Pharmacy, Yangpu Hospital, Tongji University School of Medicine, Shanghai, China
| | - Chun-Yan Zhang
- Central Laboratory, Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jian-Yong Zhu
- Central Laboratory, Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Khalid Rahman
- School of Pharmacy and Biomolecular Sciences, Faculty of Science, Liverpool John Moores University, Liverpool, United Kingdom
| | - Li-Jun Zhang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xin Luan
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hong Zhang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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20
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Xu JB, Xie XY, Zhou QQ, Zhu JY. Abieshanesides A and B, two unique ent-18,19-dinoricetexane diterpenoid glycosides from Abies beshanzuensis M.H. Wu. Fitoterapia 2021; 156:105096. [PMID: 34883224 DOI: 10.1016/j.fitote.2021.105096] [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: 11/09/2021] [Revised: 11/29/2021] [Accepted: 11/30/2021] [Indexed: 11/24/2022]
Abstract
Two unprecedented ent-18,19-dinoricetexane diterpenoid glycosides, named abieshanesides A (1) and B (2), together with seven known compounds, have been isolated from the dead trunks and branches of Abies beshanzuensis M.H. Wu. To our knowledge, abieshanesides A and B represent the first ent-18,19-dinoricetexane diterpenoid glycosides found in natural sources. Their structures and absolute configurations were elucidated by using a combination of spectroscopic techniques and comparison of experimental and calculated electronic circular dichroism (ECD) data. The MTT experiments showed that (E)-resveratrol (7) could inhibit viability of MH7A cells with the IC50 value of 12.5 μM. Compound 7 was able to block MH7A cell proliferation and was associated with G0/G1-phase cell cycle arrest. Flow cytometric analysis showed that the treatment by 7 significantly induced the proliferation of MH7A cells in a dose-dependent manner.
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Affiliation(s)
- Jin-Biao Xu
- Department of Pharmacy, College of Medicine, Jiaxing University, Jiaxing 314001, China.
| | - Xiao-Yan Xie
- Department of Pharmacy, College of Medicine, Jiaxing University, Jiaxing 314001, China; College of pharmacy, Zhejiang University of Technology, Hangzhou 310014, China
| | - Qing-Qing Zhou
- Department of Pharmacy, College of Medicine, Jiaxing University, Jiaxing 314001, China; College of pharmacy, Zhejiang University of Technology, Hangzhou 310014, China
| | - Jian-Yong Zhu
- Clinical Laboratory Medicine Center, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China.
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21
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Huang SB, Hu ZC, Zhang Y, Tang B, Wang P, Xu HL, Wang ZY, Dong YX, Cheng P, Rong YC, Wu J, Zhu JY. [Effects and mechanisms of allogeneic epidermal stem cells on the survival of allogeneic full-thickness skin grafts in nude mice with full-thickness skin defect wounds]. Zhonghua Shao Shang Za Zhi 2021; 37:1061-1069. [PMID: 34794258 DOI: 10.3760/cma.j.cn501120-20200704-00339] [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 investigate the effects and mechanisms of allogeneic epidermal stem cells (ESCs) on the survival of allogeneic full-thickness skin grafts in nude mice with full-thickness skin defect wounds. Methods: Experimental research methods were applied. Primary ESCs that appeared paving stone-like after being cultured for 7 d were obtained by enzymatic digestion method from one 4-week-old male BALB/c-NU nude mouse (the same strain, age, and sex below). The cells of third passage were identified by flow cytometry to positively express ESC marker CD44 and negatively express CD45, meanwhile, the positive expression of ESC markers of p63 and integrin 6α, and negative expression of CD71 were identified by immunofluorescence method. The ESCs of third passage in the logarithmic growth phase were used for the following experiments. Twenty-six nude mice were equally divided into phosphate buffered saline (PBS) group and ESCs group according to the random number table. A full-thickness skin defect wound was made on the back of each nude mouse, and then the wounds of the two groups were sprayed with equal volumes of PBS and ESCs, respectively. The wounds were transplanted with full-thickness skin grafts cut from the backs of 4 other nude mice. Each ten nude mice from the two groups were selected, the wound healing and skin survival on post surgery day (PSD) 0 (immediately), 3, 7, 14, and 21 were observed, and the survival ratio and shrinkage rate of skin grafts on PSD 3, 7, 14, and 21 were calculated (the number of sample was the number of surviving skin grafts at each time point); the blood perfusion in the skin grafts on PSD 3, 7, and 14 was detected by the laser speckle blood flow imager, and the blood flow ratio of nude mice skin grafts in ESCs group to PBS group at each time point was calculated (the number of sample was the pair number of surviving skin grafts in group pairing at each time point). The skin graft tissue of each 3 nude mice remained in the two groups were collected on PSD 7, and the mRNA expressions and protein expressions of tumor necrosis factor α (TNF-α), interleukin 8 (IL-8), IL-10, type Ⅰ collagen, type Ⅲ collagen, and matrix metalloproteinase 9 (MMP-9) in the tissue were detected by real-time fluorescent quantitative reverse transcription polymerase chain reaction and Western blotting, respectively. Data were statistically analyzed with Log-rank test, analysis of variance for repeated measurement, one-way analysis of variance, independent sample t test, and Bonferroni correction. Results: Taking the condition on PSD 0 as a reference, the wounds of nude mice in the two groups healed gradually on PSD 3, 7, 14, and 21, and the shrinkage of skin grafts was gradually obvious. Among them, the shrinkage healing of wound of nude mice in PBS group was more significant than that in ESCs group. On PSD 3, the skin graft of 1 nude mouse failed in ESCs group, while the skin graft of 3 nude mice failed in PBS group. On PSD 7, the skin graft of another nude mouse failed in PBS group. The survival ratio of skin grafts of nude mice in the two groups was similar on PSD 3, 7, 14, and 21 (P>0.05). On PSD 3, 7, 14, and 21, the shrinkage rates of skin grafts of nude mice in ESCs group were (9.2±0.4)%, (19.7±1.2)%, (53.6±3.5)%, and (62.2±5.1)%, respectively, which was significantly lower than (11.0±0.9)%, (47.8±2.8)%, (86.1±7.1)%, and (89.7±9.0)% in PBS group (t=5.719, 26.650, 11.940, 7.617, P<0.01). On PSD 3, 7, and 14, blood perfusion signals were observed in the skin grafts of nude mice in the two groups. The average blood perfusion ratios of the skin grafts of nude mice in ESCs group to PBS group were greater than 1, and there was no statistically significant difference in the overall comparison of 3 time points (P>0.05). On PSD 7, compared with those of PBS group, the mRNA and protein expressions of TNF-α, IL-8, type Ⅰ collagen, and type Ⅲ collagen in the skin graft tissue of nude mice in ESCs group were significantly reduced, while the mRNA and protein expressions of IL-10 and MMP-9 in the skin graft tissue of nude mice in ESCs group were significantly increased (in mRNA comparison, t=2.823, 2.934, 2.845, 2.860, 3.877, 2.916, P<0.05). Conclusions: Allogeneic ESCs can reduce the shrinkage of allogeneic full-thickness skin grafts transplanted on full-thickness skin defect wounds in nude mice, promote the formation of new blood vessels between the skin graft and the wound, reduce inflammation and collagen protein expression, and promote the expression of MMP-9, thus improving the survival quality of skin grafts.
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Affiliation(s)
- S B Huang
- Department of Burns, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Z C Hu
- Department of Burns, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Y Zhang
- Department of Burns and Plastic Surgery, Affiliated Hospital of Nantong University, Nantong 226001, China
| | - B Tang
- Department of Burns, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - P Wang
- Department of Burns, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - H L Xu
- Department of Burns, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Z Y Wang
- Department of Burns, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Y X Dong
- Department of Burns, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - P Cheng
- Department of Burns, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Y C Rong
- Department of Burns, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - J Wu
- Department of Burns and Plastic Surgery, the First Affiliated Hospital of Shenzhen University, Shenzhen 518037, China
| | - J Y Zhu
- Department of Burns, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
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22
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Nie YW, Li Y, Luo L, Zhang CY, Fan W, Gu WY, Shi KR, Zhai XX, Zhu JY. Phytochemistry and Pharmacological Activities of the Diterpenoids from the Genus Daphne. Molecules 2021; 26:6598. [PMID: 34771007 PMCID: PMC8588408 DOI: 10.3390/molecules26216598] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 10/28/2021] [Accepted: 10/28/2021] [Indexed: 01/08/2023] Open
Abstract
There are abundant natural diterpenoids in the plants of the genus Daphne from the Thymelaeaceae family, featuring a 5/7/6-tricyclic ring system and usually with an orthoester group. So far, a total of 135 diterpenoids has been isolated from the species of the genus Daphne, which could be further classified into three main types according to the substitution pattern of ring A and oxygen-containing functions at ring B. A variety of studies have demonstrated that these compounds exert a wide range of bioactivities both in vitro and in vivo including anticancer, anti-inflammatory, anti-HIV, antifertility, neurotrophic, and cholesterol-lowering effects, which is reviewed herein. Meanwhile, the fascinating structure-activity relationship is also concluded in this review in the hope of providing an easy access to available information for the synthesis and optimization of efficient drugs.
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Affiliation(s)
- Yi-Wen Nie
- Department of Pharmacy, Seventh People’s Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 200137, China; (Y.-W.N.); (Y.L.); (W.F.); (W.-Y.G.); (K.-R.S.)
- Central Laboratory, Seventh People’s Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 200137, China;
| | - Yuan Li
- Department of Pharmacy, Seventh People’s Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 200137, China; (Y.-W.N.); (Y.L.); (W.F.); (W.-Y.G.); (K.-R.S.)
- Central Laboratory, Seventh People’s Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 200137, China;
| | - Lan Luo
- Department of Pharmacy, Seventh People’s Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 200137, China; (Y.-W.N.); (Y.L.); (W.F.); (W.-Y.G.); (K.-R.S.)
| | - Chun-Yan Zhang
- Central Laboratory, Seventh People’s Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 200137, China;
| | - Wei Fan
- Department of Pharmacy, Seventh People’s Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 200137, China; (Y.-W.N.); (Y.L.); (W.F.); (W.-Y.G.); (K.-R.S.)
| | - Wei-Ying Gu
- Department of Pharmacy, Seventh People’s Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 200137, China; (Y.-W.N.); (Y.L.); (W.F.); (W.-Y.G.); (K.-R.S.)
| | - Kou-Rong Shi
- Department of Pharmacy, Seventh People’s Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 200137, China; (Y.-W.N.); (Y.L.); (W.F.); (W.-Y.G.); (K.-R.S.)
| | - Xiao-Xiang Zhai
- Department of Dermatology, Seventh People’s Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 200137, China;
| | - Jian-Yong Zhu
- Central Laboratory, Seventh People’s Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 200137, China;
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23
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Xiao S, Chen C, Xia Q, Liu Y, Yao Y, Chen Q, Hartsfield M, Brozena A, Tu K, Eichhorn SJ, Yao Y, Li J, Gan W, Shi SQ, Yang VW, Lo Ricco M, Zhu JY, Burgert I, Luo A, Li T, Hu L. Lightweight, strong, moldable wood via cell wall engineering as a sustainable structural material. Science 2021; 374:465-471. [PMID: 34672741 DOI: 10.1126/science.abg9556] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Shaoliang Xiao
- Department of Materials Science and Engineering, University of Maryland, College Park, MD 20742, USA
| | - Chaoji Chen
- Department of Materials Science and Engineering, University of Maryland, College Park, MD 20742, USA
| | - Qinqin Xia
- Department of Materials Science and Engineering, University of Maryland, College Park, MD 20742, USA
| | - Yu Liu
- Department of Materials Science and Engineering, University of Maryland, College Park, MD 20742, USA
| | - Yuan Yao
- Center for Industrial Ecology, Yale School of the Environment, Yale University, New Haven, CT 06511, USA
| | - Qiongyu Chen
- Department of Mechanical Engineering, University of Maryland, College Park, MD 20742, USA
| | - Matt Hartsfield
- Department of Materials Science and Engineering, The Ohio State University, Columbus, OH 43210, USA
| | - Alexandra Brozena
- Department of Materials Science and Engineering, University of Maryland, College Park, MD 20742, USA
| | - Kunkun Tu
- Wood Materials Science, Institute for Building Materials, ETH Zürich, 8093 Zürich, Switzerland.,WoodTec Group, Cellulose & Wood Materials, Empa, 8600 Dübendorf, Switzerland
| | - Stephen J Eichhorn
- Bristol Composites Institute, CAME School of Engineering, University of Bristol, University Walk, Bristol BS8 1TR, UK
| | - Yonggang Yao
- Department of Materials Science and Engineering, University of Maryland, College Park, MD 20742, USA
| | - Jianguo Li
- Department of Materials Science and Engineering, University of Maryland, College Park, MD 20742, USA
| | - Wentao Gan
- Department of Materials Science and Engineering, University of Maryland, College Park, MD 20742, USA
| | - Sheldon Q Shi
- Department of Mechanical Engineering, University of North Texas, Denton, TX 76203, USA
| | - Vina W Yang
- US Department of Agriculture (USDA) Forest Products Laboratory, Madison, WI 53726, USA
| | - Marco Lo Ricco
- US Department of Agriculture (USDA) Forest Products Laboratory, Madison, WI 53726, USA
| | - J Y Zhu
- US Department of Agriculture (USDA) Forest Products Laboratory, Madison, WI 53726, USA
| | - Ingo Burgert
- Wood Materials Science, Institute for Building Materials, ETH Zürich, 8093 Zürich, Switzerland.,WoodTec Group, Cellulose & Wood Materials, Empa, 8600 Dübendorf, Switzerland
| | - Alan Luo
- Department of Materials Science and Engineering, The Ohio State University, Columbus, OH 43210, USA
| | - Teng Li
- Department of Mechanical Engineering, University of Maryland, College Park, MD 20742, USA
| | - Liangbing Hu
- Department of Materials Science and Engineering, University of Maryland, College Park, MD 20742, USA.,Center for Materials Innovation, University of Maryland, College Park, MD 20742, USA
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24
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Luo X, Li T, Zhu JY, Huang L. [Application value of three-dimensional reconstruction in preoperative evaluation of precise hepatectomy for complex primary liver cancer]. Zhonghua Yi Xue Za Zhi 2021; 101:2210-2215. [PMID: 34333933 DOI: 10.3760/cma.j.cn112137-20210303-00548] [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 explore the application value of three-dimensional reconstruction of liver based on computer software in preoperative evaluation of precise hepatectomy for complex primary liver cancer. Methods: The clinical data of patients in Peking University People's Hospital Hepatobiliary surgery with complicated primary liver cancer from September 17, 2019 to December 20, 2020 were analyzed retrospectively. Preoperative enhanced CT/MR data of patients were collected, and 3D reconstruction of liver was performed in IQQA-3D Liver system. The liver volume of patients was calculated, the size and location of tumor were described, and the relationship between tumor and intrahepatic bile duct, portal vein, hepatic artery and inferior vena cava was described. Preoperative decision-making and treatment plan were made to compare the compliance of the actual operation plan with the planned operation plan under the guidance of three-dimensional reconstruction. Results: Among all 10 patients, there were 6 males and 4 females, aged 36 to 75 years. There were 6 cases of Child-Pugh grade A and 4 cases of B liver function. There were 5 cases of portal vein variation and 5 cases of hepatic artery variation. The range and M(Q1,Q3)of actual liver volume measured by 3D reconstruction in 10 patients was 895- 2 477 cm3 and [1 444(1 001, 1 854)] cm3;the nodule volume was 7-1 808 [133(50, 566)] cm3;the nodule volume in the liver was 0.8%-73.0% [11.0(3.3,32.7)]% and the number of suspected lesions was 1-7. In the end, 6 patients received surgical treatment;3 received chemotherapy, and 1 received conservative treatment. The preoperative three-dimensional reconstruction of liver anatomy and tumor location of the patients receiving surgical treatment were basically consistent with the intraoperative situation. There was no case of liver failure or death during perioperative period. Conclusion: In the preoperative evaluation of precise hepatectomy for complex primary liver cancer, 3D reconstruction can improve the rationality of treatment and the surgeon's understanding of the anatomical characteristics of the liver, so as to select the best treatment for patients, which has great application value.
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Affiliation(s)
- X Luo
- Department of Hepatobiliary Surgery, Peking University People's Hospital, Beijing 100044, China
| | - T Li
- Department of Hepatobiliary Surgery, Peking University People's Hospital, Beijing 100044, China
| | - J Y Zhu
- Department of Hepatobiliary Surgery, Peking University People's Hospital, Beijing 100044, China
| | - L Huang
- Department of Hepatobiliary Surgery, Peking University People's Hospital, Beijing 100044, China
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Li B, Zhu JY, Yue GX, Yang BQ, Luo JF, Yuan WM, Li JB, Cui YC, Zhang M, Wang X. [Pre-clinical in vivo evaluation study on a new Chinese-made surgical biopatch for atrial septum]. Zhonghua Wai Ke Za Zhi 2021; 59:513-519. [PMID: 34102737 DOI: 10.3760/cma.j.cn112139-20200820-00656] [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 evaluate the safety and effectiveness of a new Chinese-made surgical biopatch for atrial septum under the establishment of atrial septal defect animal model in miniature pigs. Methods: From June 2018 to April 2019, 26 pigs were divided into experimental group (15 pigs) and the control group (11 pigs). Animal models of atrial septal defect were established by traditional surgical methods. The to-be-evaluated and listed surgical biological patches (with a diameter of 10 mm) were implanted in the experimental group and the control group to repair the atrial septal defect. Cardiac ultrasound and blood examination of all animals were performed before and at 7, 30, 90, 180 days after operation, the results were analyzed with repetitive measurement and analysis of variance. At 90 days and 180 days after the operation, tissue samples were taken from animals after euthanasia. Pathological examination of heart and major organs were conducted. The independent sample t test and rank sum test were used to compare the data between the two groups, and the nonparametric was used to compare the patch calcification score between the two groups. Results: In total of 26 animals, 14 animals in the experimental group(6 at 90 days, 8 at 180 days) and 9 animals in the control group(4 at 90 days, 5 at 180 days) reached the end of the experiment. The other 3 animals (1 in the experimental group and 2 in the control group) died of arrhythmia, whole heart failure and right heart failure, the results of pathological examination showed that the causes of death were unrelated to the experimental materials. Cardiac ultrasound showed no patch leakage in all animals. There was no statistically significant difference in cardiac ultrasound and blood examination between the two groups at different time points after operation (all P>0.05). The pathological results showed that all the implants were intact and had good biocompatibility. There was no significant difference in the mean endothelialization rate between the experimental group and the control group at 90 and 180 days after operation ((80.8±29.1)% vs. (82.5±23.6)%, t=0.095, P=0.927; (78.8±36.4)% vs. (82.0±19.2)%, t=0.182, P=0.859) on 90 and 180 days, there was no significant difference in the patch calcification score between the two groups (1.00(1.25) vs. 2.00(0.75), Z=6.500, P=0.214; 0(0.75) vs. 1.00(2.00), Z=12.000, P=0.139). Conclusion: The new Chinese-made surgical biopatch for atrial septum has comparable safety and efficacy to that of the marketable patch in miniature pig atrial septal defect animal model.
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Affiliation(s)
- B Li
- Animal Experimental Center, Beijing Key Laboratory of Pre-clinical Research and Evaluation for Cardiovascular Implant Materials, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Center for Cardiovascular Diseases, Beijing 102300, China
| | - J Y Zhu
- Animal Experimental Center, Beijing Key Laboratory of Pre-clinical Research and Evaluation for Cardiovascular Implant Materials, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Center for Cardiovascular Diseases, Beijing 102300, China
| | - G X Yue
- Animal Experimental Center, Beijing Key Laboratory of Pre-clinical Research and Evaluation for Cardiovascular Implant Materials, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Center for Cardiovascular Diseases, Beijing 102300, China
| | - B Q Yang
- Animal Experimental Center, Beijing Key Laboratory of Pre-clinical Research and Evaluation for Cardiovascular Implant Materials, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Center for Cardiovascular Diseases, Beijing 102300, China
| | - J F Luo
- Animal Experimental Center, Beijing Key Laboratory of Pre-clinical Research and Evaluation for Cardiovascular Implant Materials, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Center for Cardiovascular Diseases, Beijing 102300, China
| | - W M Yuan
- Animal Experimental Center, Beijing Key Laboratory of Pre-clinical Research and Evaluation for Cardiovascular Implant Materials, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Center for Cardiovascular Diseases, Beijing 102300, China
| | - J B Li
- Animal Experimental Center, Beijing Key Laboratory of Pre-clinical Research and Evaluation for Cardiovascular Implant Materials, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Center for Cardiovascular Diseases, Beijing 102300, China
| | - Y C Cui
- Animal Experimental Center, Beijing Key Laboratory of Pre-clinical Research and Evaluation for Cardiovascular Implant Materials, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Center for Cardiovascular Diseases, Beijing 102300, China
| | - M Zhang
- Animal Experimental Center, Beijing Key Laboratory of Pre-clinical Research and Evaluation for Cardiovascular Implant Materials, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Center for Cardiovascular Diseases, Beijing 102300, China
| | - X Wang
- Animal Experimental Center, Beijing Key Laboratory of Pre-clinical Research and Evaluation for Cardiovascular Implant Materials, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Center for Cardiovascular Diseases, Beijing 102300, China
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Zhu JY, Agarwal UP, Ciesielski PN, Himmel ME, Gao R, Deng Y, Morits M, Österberg M. Towards sustainable production and utilization of plant-biomass-based nanomaterials: a review and analysis of recent developments. Biotechnol Biofuels 2021; 14:114. [PMID: 33957955 PMCID: PMC8101122 DOI: 10.1186/s13068-021-01963-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Accepted: 04/23/2021] [Indexed: 05/03/2023]
Abstract
Plant-biomass-based nanomaterials have attracted great interest recently for their potential to replace petroleum-sourced polymeric materials for sustained economic development. However, challenges associated with sustainable production of lignocellulosic nanoscale polymeric materials (NPMs) need to be addressed. Producing materials from lignocellulosic biomass is a value-added proposition compared with fuel-centric approach. This report focuses on recent progress made in understanding NPMs-specifically lignin nanoparticles (LNPs) and cellulosic nanomaterials (CNMs)-and their sustainable production. Special attention is focused on understanding key issues in nano-level deconstruction of cell walls and utilization of key properties of the resultant NPMs to allow flexibility in production to promote sustainability. Specifically, suitable processes for producing LNPs and their potential for scaled-up production, along with the resultant LNP properties and prospective applications, are discussed. In the case of CNMs, terminologies such as cellulose nanocrystals (CNCs) and cellulose nanofibrils (CNFs) used in the literature are examined. The term cellulose nano-whiskers (CNWs) is used here to describe a class of CNMs that has a morphology similar to CNCs but without specifying its crystallinity, because most applications of CNCs do not need its crystalline characteristic. Additionally, progress in enzymatic processing and drying of NPMs is also summarized. Finally, the report provides some perspective of future research that is likely to result in commercialization of plant-based NPMs.
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Affiliation(s)
- J Y Zhu
- USDA Forest Products Laboratory, One Gifford Pinchot Dr, Madison, WI, USA.
| | - Umesh P Agarwal
- USDA Forest Products Laboratory, One Gifford Pinchot Dr, Madison, WI, USA
| | | | | | - Runan Gao
- Renewable Bioproducts Institute, School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, USA
- College of Materials Science and Engineering, Northeast Forestry University, Harbin, Heilongjiang, China
| | - Yulin Deng
- Renewable Bioproducts Institute, School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, USA
| | - Maria Morits
- Department of Bioproducts and Biosystems, Aalto University, Espoo, Finland
| | - Monika Österberg
- Department of Bioproducts and Biosystems, Aalto University, Espoo, Finland
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Li T, Chen C, Brozena AH, Zhu JY, Xu L, Driemeier C, Dai J, Rojas OJ, Isogai A, Wågberg L, Hu L. Developing fibrillated cellulose as a sustainable technological material. Nature 2021; 590:47-56. [PMID: 33536649 DOI: 10.1038/s41586-020-03167-7] [Citation(s) in RCA: 325] [Impact Index Per Article: 108.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 10/06/2020] [Indexed: 01/30/2023]
Abstract
Cellulose is the most abundant biopolymer on Earth, found in trees, waste from agricultural crops and other biomass. The fibres that comprise cellulose can be broken down into building blocks, known as fibrillated cellulose, of varying, controllable dimensions that extend to the nanoscale. Fibrillated cellulose is harvested from renewable resources, so its sustainability potential combined with its other functional properties (mechanical, optical, thermal and fluidic, for example) gives this nanomaterial unique technological appeal. Here we explore the use of fibrillated cellulose in the fabrication of materials ranging from composites and macrofibres, to thin films, porous membranes and gels. We discuss research directions for the practical exploitation of these structures and the remaining challenges to overcome before fibrillated cellulose materials can reach their full potential. Finally, we highlight some key issues towards successful manufacturing scale-up of this family of materials.
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Affiliation(s)
- Tian Li
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, USA.,Center for Materials Innovation, University of Maryland, College Park, MD, USA
| | - Chaoji Chen
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, USA.,Center for Materials Innovation, University of Maryland, College Park, MD, USA
| | - Alexandra H Brozena
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, USA
| | - J Y Zhu
- USDA Forest Products Laboratory, Madison, WI, USA
| | - Lixian Xu
- Sappi Biotech, Maastricht, The Netherlands
| | - Carlos Driemeier
- Brazilian Biorenewables National Laboratory (LNBR), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, Brazil
| | - Jiaqi Dai
- Inventwood LLC, College Park, MD, USA
| | - Orlando J Rojas
- Bioproducts Institute, Departments of Chemical and Biological Engineering, Chemistry and Wood Science, The University of British Columbia, Vancouver, British Columbia, Canada.,Department of Bioproducts and Biosystems, Aalto University, Espoo, Finland
| | - Akira Isogai
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Lars Wågberg
- Department of Fibre and Polymer Technology and Wallenberg Wood Science Centre, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Liangbing Hu
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, USA. .,Center for Materials Innovation, University of Maryland, College Park, MD, USA.
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Sun RJ, Ma J, Duan LZ, Zhu JY, Yu SC, Huang H, Zhang YL, Zhou GY, Wang CJ, Ba Y. [Threshold effects of body mass index on the bone mineral density of Chinese rural women in fluorosis area]. Zhonghua Yu Fang Yi Xue Za Zhi 2020; 54:1295-1299. [PMID: 33147932 DOI: 10.3760/cma.j.cn112150-20200825-01150] [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] [Indexed: 11/05/2022]
Abstract
To explore the threshold effect of body mass index (BMI) on bone mineral density (BMD) in Chinese women living in the fluorosis area, we conducted a cross-sectional study and recruited 722 women in rural areas in Henan Province, China. After detection and analyses, we found that compared with the normal BMI group, the risk of osteoporosis in the overweight and obese groups were reduced by 32% and 69%, respectively. Threshold effect analysis showed that BMD was positively correlated with BMI when BMI was 16.8-31.2 kg/m2; while when BMI was greater than 31.2 kg/m2, the correlation reached saturation. The correlation observed between low-to-moderate fluoride exposure and BMD in rural women was not significant.
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Affiliation(s)
- R J Sun
- Department of Environmental Health, Environment and Health Innovation Team, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - J Ma
- Department of Endemic Diseases, Kaifeng Municipal Center for Disease Control and Prevention, Kaifeng 475000, China
| | - L Z Duan
- Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou 450001, China
| | - J Y Zhu
- Department of Environmental Health, Environment and Health Innovation Team, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - S C Yu
- Department of Nutrition and Food Hygiene, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - H Huang
- Department of Environmental Health, Environment and Health Innovation Team, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Y L Zhang
- Department of Environmental Health, Environment and Health Innovation Team, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - G Y Zhou
- Department of Environmental Health, Environment and Health Innovation Team, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - C J Wang
- Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Y Ba
- Department of Environmental Health, Environment and Health Innovation Team, School of Public Health, Zhengzhou University, Zhengzhou 450001, China
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Liu P, Liu C, Wu YT, Zhu JY, Zhao WC, Li JB, Zhang H, Yang YX. Impact of B-mode-ultrasound-guided transhepatic and transperitoneal cholecystostomy tube placement on laparoscopic cholecystectomy. World J Gastroenterol 2020; 26:5498-5507. [PMID: 33024400 PMCID: PMC7520604 DOI: 10.3748/wjg.v26.i36.5498] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 08/25/2020] [Accepted: 08/31/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND B-mode-ultrasound-guided percutaneous cholecystostomy (PC) may be performed by a transhepatic or transperitoneal approach, called percutaneous transhepatic gallbladder drainage (PHGD) and percutaneous transperitoneal gallbladder drainage (PPGD), respectively. We compared the impact of PC related to the route of catheter placement on subsequent laparoscopic cholecystectomy (LC).
AIM To compare the impact of PC related to the route of catheter placement on subsequent LC.
METHODS We retrospectively studied 103 patients with acute calculous cholecystitis who underwent scheduled LC after PC between January 2010 and January 2019. Group I included 58 patients who underwent scheduled LC after PHGD. Group II included 45 patients who underwent scheduled LC after PPGD. Clinical outcomes were analyzed according to each group.
RESULTS Baseline demographic characteristics did not differ significantly between both groups (P > 0.05). Both PHGD and PPGD were able to quickly resolve cholecystitis sepsis. Group I showed significantly higher efficacy than group II in terms of lower pain score during puncture (3.1 vs 4.5; P = 0.001) and at 12 h follow-up (1.5 vs 2.2; P = 0.001), lower rate of fever within 24 h after PC (13.8% vs 42.2%; P = 0.001), shorted operation duration (118.3 vs 139.6 min; P = 0.001), lower amount of intraoperative bleeding (72.1 vs 109.4 mL; P = 0.001) and shorter length of hospital stay (14.3 d vs 18.0 d; P = 0.001). However, group II had significantly lower rate of local bleeding at the PC site (2.2% vs 20.7%; P = 0.005) and lower rate of severe adhesion (33.5% vs 55.2%; P = 0.048). No significant differences were noted between both groups regarding the conversion rate to laparotomy, rate of subtotal cholecystectomy, complications and pathology.
CONCLUSION B-mode-ultrasound-guided PHGD is superior to PPGD followed by LC for treatment of acute calculous cholecystitis, with shorter operating time, minimal amount of intraoperative bleeding and short length of hospital stay.
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Affiliation(s)
- Peng Liu
- Department of Hepatobiliary Surgery, The Sixth Medical Center of People’s Liberation Army General Hospital, Beijing 100048, China
| | - Che Liu
- Department of Hepatobiliary Surgery, The Sixth Medical Center of People’s Liberation Army General Hospital, Beijing 100048, China
| | - Yin-Tao Wu
- Department of Hepatobiliary Surgery, The Sixth Medical Center of People’s Liberation Army General Hospital, Beijing 100048, China
| | - Jian-Yong Zhu
- Department of Hepatobiliary Surgery, The Sixth Medical Center of People’s Liberation Army General Hospital, Beijing 100048, China
| | - Wen-Chao Zhao
- Department of Hepatobiliary Surgery, The Sixth Medical Center of People’s Liberation Army General Hospital, Beijing 100048, China
| | - Jing-Bo Li
- Department of Hepatobiliary Surgery, The Sixth Medical Center of People’s Liberation Army General Hospital, Beijing 100048, China
| | - Hong Zhang
- Department of Hepatobiliary Surgery, The Sixth Medical Center of People’s Liberation Army General Hospital, Beijing 100048, China
| | - Ying-Xiang Yang
- Department of Hepatobiliary Surgery, The Sixth Medical Center of People’s Liberation Army General Hospital, Beijing 100048, China
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Cai C, Li J, Hirth K, Huber GW, Lou H, Zhu JY. Comparison of Two Acid Hydrotropes for Sustainable Fractionation of Birch Wood. ChemSusChem 2020; 13:4649-4659. [PMID: 32463990 DOI: 10.1002/cssc.202001120] [Citation(s) in RCA: 8] [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] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Indexed: 05/19/2023]
Abstract
This study reports on a comparative study of acid hydrotropic fractionation (AHF) of birch wood using maleic acid (MA) and p-toluenesulfonic acid (p-TsOH). Under the same level of delignification, lignin dissolved by MA is much less condensed with a higher content of ether aryl β-O-4 linkages. Lignin depolymerization dominated in MA hydrotropic fractionation (MAHF) and resulted in a single lower molecular weight peak, in contrast to the competitive depolymerization and repolymerization in p-TsOH AHF with a bimodal distribution. The less condensed MA-dissolved lignin facilitated catalytic conversion to monophenols. Carboxylation of residual lignin in fractionated cellulosic water-insoluble solids (WISs) enhanced enzymatic saccharification by decreasing nonproductive cellulase binding to lignin. At a low cellulase loading of 10 FPU g-1 glucan, saccharification of WIS-MT120 from MAHF at 120 °C was 95 % compared with 48 % for WIS-PT85 from p-TsOH AHF at 85 °C under the same level of delignification of 63 %. Residual lignin carboxylation also facilitated nanofibrillation of WIS for producing lignin-containing cellulose nanofibrils (LCNFs) through an enhanced lignin lubrication effect, which substantially decreases fibrillation energy. LCNFs from only one pass of microfluidization of WIS-MT120 have the same morphology as those from WIS-PT85 after three passes. MA also has a lower solubility and higher minimal hydrotropic concentration, which facilitated acid recovery. MA is U.S. Food and Drug Administration (FDA)-approved as an indirect food additive, affording significant advantages compared with p-TsOH for biorefinery applications.
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Affiliation(s)
- Cheng Cai
- USDA Forest Service, Forest Products Laboratory, Madison, WI, USA
- School of Chemistry Chemical Engineering, South China University Technology, Guangzhou, P.R. China
| | - Jian Li
- Dept. of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, WI, USA
| | - Kolby Hirth
- USDA Forest Service, Forest Products Laboratory, Madison, WI, USA
| | - George W Huber
- Dept. of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, WI, USA
| | - Hongming Lou
- School of Chemistry Chemical Engineering, South China University Technology, Guangzhou, P.R. China
| | - J Y Zhu
- USDA Forest Service, Forest Products Laboratory, Madison, WI, USA
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Wang H, Zhu JJ, Ma Q, Agarwal UP, Gleisner R, Reiner R, Baez C, Zhu JY. Pilot-Scale Production of Cellulosic Nanowhiskers With Similar Morphology to Cellulose Nanocrystals. Front Bioeng Biotechnol 2020; 8:565084. [PMID: 33015018 PMCID: PMC7500145 DOI: 10.3389/fbioe.2020.565084] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [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: 05/23/2020] [Accepted: 08/20/2020] [Indexed: 11/25/2022] Open
Abstract
This study describes a class of cellulosic nanomaterials, cellulosic nanowhiskers (CNWs), and demonstrates scaled-up production with acid recovery using less expensive equipment made of common stainless steel rather than glass-lined steel. CNWs produced using concentrated maleic acid (MA) hydrolysis followed by mechanical fibrillation have morphology similar to MA-produced cellulose nanocrystals (CNCs) and sulfuric-acid-produced CNCs (S-CNCs) but differ in crystallinity. Applications of CNWs as a substitute for CNCs for which morphology and surface charge, rather than crystallinity, are the pertinent characteristics are presented. The tested CNW suspensions have a wider viscosity range of 0.001 to 1000 Pa.s over a variety of shear rates of 0.01 to 1000 1/s compared to S-CNCs of 0.001 to 0.1 Pa.s and are better suited for applications such as rheology modification and 3D printing. This study proposes CNWs as a less expensive and sustainable replacement for CNCs in applications that do not require crystalline properties.
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Affiliation(s)
- Huihui Wang
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, China
- USDA Forest Service, Forest Products Laboratory, Madison, WI, United States
| | - Jonathan J Zhu
- Department of Biochemistry, University of Wisconsin-Madison, Madison, WI, United States
| | - Qianli Ma
- International Center for Bamboo and Rattan, Beijing, China
| | - Umesh P Agarwal
- USDA Forest Service, Forest Products Laboratory, Madison, WI, United States
| | - Roland Gleisner
- USDA Forest Service, Forest Products Laboratory, Madison, WI, United States
| | - Richard Reiner
- USDA Forest Service, Forest Products Laboratory, Madison, WI, United States
| | - Carlos Baez
- USDA Forest Service, Forest Products Laboratory, Madison, WI, United States
| | - J Y Zhu
- USDA Forest Service, Forest Products Laboratory, Madison, WI, United States
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Zhu JY, Ma LQ, Zhang J. [Effect of family with sequence similarity 13 member A gene interference on apoptosis and proliferation of human airway epithelial cells and its relationship with small airway remodeling in patients with chronic obstructive pulmonary disease]. Zhonghua Yi Xue Za Zhi 2020; 100:2481-2487. [PMID: 32829592 DOI: 10.3760/cma.j.cn112137-20200326-00945] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the relationship between family with sequence similarity 13 member A (FAM13A) gene and small airway remodeling in chronic obstructive pulmonary disease (COPD), and the effect of interference with FAM13A gene expression on the apoptosis and proliferation phenotype of human airway epithelial cells (16HBE). Methods: From January 2018 to January 2020, 74 patients in the Department of Thoracic Surgery of General Hospital of Ningxia Medical University were treated by surgery for lung tumors or pulmonary bullae. According to the lung function and smoking history, the 74 patients were divided into four groups: non-smoking group with normal lung function (normal group, 23 patients), smoking group with normal lung function (smoking group, 24 patients), non-smoking group with COPD (11 patients) and smoking group with COPD (16 patients). The expression of FAM13A in small airway of each group was detected by immunohistochemistry, and the correlation between FAM13A and the airflow restriction indexes by pulmonary function was analyzed. The shRNA fragment of FAM13A gene was designed, and the shRNA lentivirus vector of FAM13A gene was constructed and packaged. The expression level of FAM13A gene was detected by real-time fluorescent quantitative PCR (qRT-PCR) and Western blot, and the best shRNA sequence was screened. Flow cytometry was used to detect apoptosis rate and the fluorescence intensity of proliferation marker Ki-67 in 16HBE cells. Results: FAM13A was mainly expressed in the cytoplasm of small airway epithelial cells. The levels of FAM13A absorbance (A) of small airway epithelial cells in non-smoking group and smoking group with COPD were higher than those in normal group and smoking group (0.365±0.026, 0.412±0.053 to 0.113±0.018, 0.105±0.009, all P<0.05), and they were negatively correlated with forced expiratory volume in 1s/forced vital capacity (FEV(1)/FVC) and FEV(1)% pre (r=-0.48 and r=-0.40, all P<0.05). The FAM13A shRNA lentiviral vector was successfully constructed, and FAM13A interference was successfully achieved in the 16HBE cell line. After infection of 16HBE cells, the results of qRT-PCR and Western blot showed that the expression of FAM13A in shRNA-target-2 group decreased (all P<0.01). Compared with the negative control group (shRNA-NC), the apoptosis rate of FAM13A shRNA group decreased (P=0.023), and the fluorescence intensity of Ki-67 also decreased (P=0.042). Conclusions: FAM13A gene expression is increased in COPD small airway epithelial cells, and it is related to COPD airflow limitation. FAM13A gene may participate in the process of COPD remodeling by affecting the apoptosis and proliferation of human airway epithelial cells.
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Affiliation(s)
- J Y Zhu
- Department of Critical Care Medicine, General Hospital of Ningxia Medical University, Yinchuan 750004, China
| | - L Q Ma
- Department of Pathology, General Hospital of Ningxia Medical University, Yinchuan 750004, China
| | - J Zhang
- Department of Respiratory and Critical Care Medicine, General Hospital of Ningxia Medical University, Yinchuan 750004, China
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Yuan HT, Li QF, Tian T, Zhang CY, Huang ZQ, Fan CX, Mei K, Zhou J, Zhai XX, Li SB, Zhu JY. Lathyrane diterpenoids from Jatropha podagrica and their antitumor activities in human osteosarcoma cells. Nat Prod Res 2020; 35:5089-5095. [PMID: 32538674 DOI: 10.1080/14786419.2020.1779719] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [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: 10/24/2022]
Abstract
Two new lathyrane-type diterpenoids, jatropodagins A and B (1 and 2), and five known analogues (3-7), were isolated from the stems of Jatropha podagrica. Their structures and absolute configurations were elucidated by spectroscopic data and calculated ECD analyses. The cytotoxicities of all the lathyrane-type diterpenoids (1-7) were evaluated against two human osteosarcoma cell lines (Saos-2 and MG-63). Compound 1 exhibited significant cytotoxic effects against Saos-2 and MG-63 with IC50 values of 8.08 and 14.64 μM, respectively. The IC50 values for the positive control 5-FU against the Saos-2 and MG-63 cell lines were 19.01 and 25.00 μM, respectively. Morphological features of apoptosis activities were evaluated in 1-treated Saos-2 cells and the results confirmed apoptosis in a dose-dependent manner.
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Affiliation(s)
- Han-Tao Yuan
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Qun-Feng Li
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Tian Tian
- Shanghai Pudong New Area Hospital of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Chun-Yan Zhang
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Zou-Qin Huang
- Shanghai Pudong New Area Hospital of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Chun-Xiang Fan
- Shanghai Punan Hospital of Pudong New District, Shanghai, P. R. China
| | - Ke Mei
- Dahua Hospital of Xuhui District, Shanghai, P. R. China
| | - Jie Zhou
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Xiao-Xiang Zhai
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Si-Bo Li
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
| | - Jian-Yong Zhu
- Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai, P. R. China
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Pan RR, Zhang CY, Li Y, Zhang BB, Zhao L, Ye Y, Song YN, Zhang M, Tie HY, Zhang H, Zhu JY. Daphnane Diterpenoids from Daphne genkwa Inhibit PI3K/Akt/mTOR Signaling and Induce Cell Cycle Arrest and Apoptosis in Human Colon Cancer Cells. J Nat Prod 2020; 83:1238-1248. [PMID: 32223193 DOI: 10.1021/acs.jnatprod.0c00003] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Seven new daphnane-type diterpenoids, daphgenkins A-G (1-7), and 15 known analogues (8-22) were isolated from the flower buds of Daphne genkwa. Their structures and absolute configurations were elucidated by spectroscopic data and calculated ECD analyses. The cytotoxicities of all daphnane-type diterpenoids (1-22) obtained were evaluated against three human colon cancer cell lines (SW620, RKO, and LoVo). Compounds 1, 12, and 13 exhibited cytotoxic effects against the SW620 and RKO cell lines, with IC50 values in the range of 3.0-9.7 μM. The most active new compound, 1, with an IC50 value of 3.0 μM against SW620 cells, was evaluated further for its underlying molecular mechanism. Compound 1 induced G0/G1 cell cycle arrest, leading to the induction of apoptosis in SW620 cells. Also, it induced cancer cell apoptosis by an increased ratio of Bax/Bcl-2, activated cleaved caspase-3 and caspase-9, and upregulated PARP. Finally, compound 1 significantly inhibited PI3K/Akt/mTOR signaling in SW620 cells. Together, the results suggest that compound 1 may be a suitable lead compound for further biological evaluation.
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Affiliation(s)
- Rong-Rong Pan
- Central Laboratory, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai 200137, People's Republic of China
| | - Chun-Yan Zhang
- Central Laboratory, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai 200137, People's Republic of China
| | - Yuan Li
- Central Laboratory, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai 200137, People's Republic of China
| | - Bing-Bing Zhang
- Central Laboratory, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai 200137, People's Republic of China
| | - Liang Zhao
- Central Laboratory, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai 200137, People's Republic of China
| | - Ying Ye
- Central Laboratory, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai 200137, People's Republic of China
| | - Ya-Nan Song
- Central Laboratory, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai 200137, People's Republic of China
| | - Miao Zhang
- Central Laboratory, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai 200137, People's Republic of China
| | - Hong-Yun Tie
- Central Laboratory, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai 200137, People's Republic of China
| | - Hong Zhang
- Central Laboratory, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai 200137, People's Republic of China
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, People's Republic of China
| | - Jian-Yong Zhu
- Central Laboratory, Seventh People's Hospital of Shanghai University of Traditional Chinese Medicine, Shanghai 200137, People's Republic of China
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Shen YL, Jiang YP, Li XQ, Wang SJ, Ma MH, Zhang CY, Zhu JY, Rahman K, Zhang LJ, Luan X, Zhang H. ErHuang Formula Improves Renal Fibrosis in Diabetic Nephropathy Rats by Inhibiting CXCL6/JAK/STAT3 Signaling Pathway. Front Pharmacol 2020; 10:1596. [PMID: 32038260 PMCID: PMC6993046 DOI: 10.3389/fphar.2019.01596] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [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: 08/07/2019] [Accepted: 12/09/2019] [Indexed: 12/22/2022] Open
Abstract
Diabetic nephropathy (DN) is one of the main causes of renal fibrosis and is associated with high morbidity and mortality. Traditional Chinese Medicine (TCM) therapy has a long history of usage in a clinical setting and its usage is increasing. ErHuang Formula (EHF), a Chinese herbal compound, has been clinically used in treating DN for more than 30 years. However, its mechanism of action is still unknown. This study was conducted to evaluate the effect of EHF on renal fibrosis in a DN rat model and explore its underlying mechanism. The DN rat model was established by high-sugar-fat diet combined with a single intraperitoneal injection of streptozotocin (STZ), and EFH extract (4, 2, 1 g/kg d−1) was administered orally for 8 weeks. The biochemical parameters (blood glucose, weight, Scr, BUN, UA, U-Alb and UAE) were analyzed. The pathological changes in renal tissue were observed by histological staining with H&E and Masson. The effect of EHF on the proliferation of NRK-49F cells was examined by CCK-8 assay and the levels of several inflammation and fibrosis related cytokines (IL-6, TNF-α, TGF-β1, Collagen I/III, MMP2/9) in serum and NRK-49F cell culture supernatants were detected by enzyme-linked immunoassay (ELISA). The mRNA levels of CXCL6, CXCR1, Collagen I/III, MMP2/9 in renal tissue were also measured by quantitative RT-PCR. Furthermore, the protein expression of PCNA, Collagen I/III, MMP2/9, CXCL6, CXCR1, p-STAT3, STAT3 in renal tissue and NRK-49F cells were determined by western blot. EHF improved the abnormal biochemical parameters and ameliorated the abnormal histology and fibrosis of renal tissue in a dose-dependent manner. EHF inhibited NRK-49F proliferation and decreased the expressions of inflammation and fibrosis related factors both in vitro and in vivo. Interestingly, the levels of Collagen I/III, PCNA, MMP2/9 and p-STAT3 were positively correlated with CXCL6. The amelioration of renal fibrosis in DN by EHF is related to CXCL6/JAK/STAT3 signal pathway, which is associated with inflammation and fibrosis of the tissue. These findings may have clinical implications for the treatment of DN.
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Affiliation(s)
- Yu-Li Shen
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yi-Ping Jiang
- Department of Pharmacognosy, School of Pharmacy, Second Military Medical University, Shanghai, China
| | - Xiao-Qin Li
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Su-Juan Wang
- Department of Drug Preparation, Hospital of TCM and Hui Nationality Medicine, Ningxia Medical University, Wuzhong, China
| | - Ming-Hua Ma
- Department of Pharmacy, Yangpu Hospital, Tongji University School of Medicine, Shanghai, China
| | - Chun-Yan Zhang
- Central Laboratory, Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jian-Yong Zhu
- Central Laboratory, Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Khalid Rahman
- School of Pharmacy and Biomolecular Sciences, Faculty of Science, Liverpool John Moores University, Liverpool, United Kingdom
| | - Li-Jun Zhang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xin Luan
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hong Zhang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Jia C, Chen C, Mi R, Li T, Dai J, Yang Z, Pei Y, He S, Bian H, Jang SH, Zhu JY, Yang B, Hu L. Clear Wood toward High-Performance Building Materials. ACS Nano 2019; 13:9993-10001. [PMID: 31502821 DOI: 10.1021/acsnano.9b00089] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Developing advanced building materials with both excellent thermal insulating and optical properties to replace common glass (thermal conductivity of ∼1 W m-1 K-1) is highly desirable for energy-efficient applications. The recent development of transparent wood suggests a promising building material with many advantages, including high optical transmittance, tunable optical haze, and excellent thermal insulation. However, previous transparent wood materials generally have a high haze (typically greater than 40%), which is a major obstacle for their practical application in the replacement of glass. In this work, we fabricate a clear wood material with an optical transmittance as high as 90% and record-low haze of 10% using a delignification and polymer infiltration method. The significant removal of wood components results in a highly porous microstructure, much thinner wood cell walls, and large voids among the cellulose fibrils, which a polymer can easily enter, leading to the dense structure of the clear wood. The separated cellulose fibrils that result from the removal of the wood components dramatically weaken light scattering in the clear wood, which combined with the highly dense structure produces both high transmittance and extremely low haze. In addition, the clear wood exhibits an excellent thermal insulation property with a low thermal conductivity of 0.35 W m-1 K-1 (one-third of ordinary glass); thus, the application of clear wood can greatly improve the energy efficiency of buildings. The developed clear wood, combining excellent thermal insulating and optical properties, represents an attractive alternative to common glass toward energy-efficient buildings.
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Affiliation(s)
- Chao Jia
- Department of Materials Science and Engineering , University of Maryland College Park , College Park , Maryland 20742 , United States
| | - Chaoji Chen
- Department of Materials Science and Engineering , University of Maryland College Park , College Park , Maryland 20742 , United States
| | - Ruiyu Mi
- Department of Materials Science and Engineering , University of Maryland College Park , College Park , Maryland 20742 , United States
| | - Tian Li
- Department of Materials Science and Engineering , University of Maryland College Park , College Park , Maryland 20742 , United States
| | - Jiaqi Dai
- Department of Materials Science and Engineering , University of Maryland College Park , College Park , Maryland 20742 , United States
| | - Zhi Yang
- Department of Mechanical Engineering , University of Maryland , College Park , Maryland 20742 , United States
| | - Yong Pei
- Department of Mechanical Engineering , University of Maryland , College Park , Maryland 20742 , United States
| | - Shuaiming He
- Department of Materials Science and Engineering , University of Maryland College Park , College Park , Maryland 20742 , United States
| | - Huiyang Bian
- Forest Products Laboratory , USDA Forest Service, Madison , Wisconsin 53726 , United States
| | - Soo-Hwan Jang
- Department of Materials Science and Engineering , University of Maryland College Park , College Park , Maryland 20742 , United States
| | - J Y Zhu
- Forest Products Laboratory , USDA Forest Service, Madison , Wisconsin 53726 , United States
| | - Bao Yang
- Department of Mechanical Engineering , University of Maryland , College Park , Maryland 20742 , United States
| | - Liangbing Hu
- Department of Materials Science and Engineering , University of Maryland College Park , College Park , Maryland 20742 , United States
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Zhu JY, Zhou F, Yu L, Zhang J. [Epithelial-mesenchymal transition of small airway epithelium in patients receiving lung tumor surgery with normal lung function and chronic obstructive pulmonary disease]. Zhonghua Yi Xue Za Zhi 2019; 99:2681-2686. [PMID: 31505719 DOI: 10.3760/cma.j.issn.0376-2491.2019.34.009] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the phenomenon of small airway epithelial-mesenchymal transition (EMT) in patients with normal pulmonary function and chronic obstructive pulmonary disease (COPD) who received surgical treatment for lung tumors. Methods: In this study, 52 patients undergoing surgical treatment for lung tumors admitted to the General Hospital of Ningxia Medical University were included from January 2018 to January 2019. According to the preoperative pulmonary function and smoking history, patients were divided into group A (non-smoking with normal pulmonary function group, 15 patients), group B (smoking with normal pulmonary function group, 21 patients), group C (COPD stable phase group, 16 patients). HE staining was performed to observe the pathological changes in small airway and lung tissue. Immunohistochemistry was used to detect the localization and expression of E-cadherin, α-smooth muscle actin (α-SMA) and Vimentin in small airway. Western blot was used to detect the levels of E-cadherin, α-SMA and Vimentin. Results: (1) There were no significant differences in age, gender, and the ratio of disease composition among the three groups (P>0.05), but forced expiratory volume in one second (FEV(1)) as percentage of predicted value (FEV(1)%pred) and FEV(1)/forced vital capacity (FEV(1)/FVC) in group C were lower than those in groups A and B (all P<0.01), while there was no significant difference between group A and group B (P>0.05); (2) the bronchial wall thickness in group B and group C were higher than that of group A [(32.4±2.4) and (54.6±4.9) vs (22.4±2.2) μm], and group C was significantly higher than group B (P=0.003); (3) the expression levels of E-cadherin in the epithelial cells of small airway in group B and group C were lower than those in group A (0.021±0.008 and 0.018±0.007 vs 0.062±0.010) (all P<0.05), while the levels of mesenchymal cell markers such as α-SMA and Vimentin in group B and group C were higher than group A, and group C was higher than group B (α-SMA: 0.641±0.113, 0.780±0.133 vs 0.404±0.123; Vimentin: 0.064±0.033, 0.083±0.022 vs 0.030±0.021) (P=0.002 and P=0.003). Conclusion: In patients undergoing surgical treatment of lung tumors, there is EMT in the small airways of patients with COPD, and EMT has occurred in the small airways of smokers with normal pulmonary function.
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Affiliation(s)
- J Y Zhu
- Department of Critical Care Medicine, General Hospital of Ningxia Medical University, Yinchuan 750004, China
| | - F Zhou
- Department of Respiratory Medicine, Puren Hospital Affiliated to Wuhan University of Science and Technology, Wuhan 430081, China
| | - L Yu
- Department of Thoracic Surgery, General Hospital of Ningxia Medical University, Yinchuan 750004, China
| | - J Zhang
- Department of Respiratory and Critical Care Medicine, General Hospital of Ningxia Medical University, Yinchuan 750004, China
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Li XQ, Zhu JY, Pan RR, Shen YL, Rahman K, Zhang CY, Zhang LJ, Luan X, Zhang H. Therapeutic effect of Dongbai-Tonglin-Fang, a Chinese herbal formula, on urinary tract infection in rat model. J Ethnopharmacol 2019; 241:112028. [PMID: 31195030 DOI: 10.1016/j.jep.2019.112028] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 06/09/2019] [Accepted: 06/09/2019] [Indexed: 06/09/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Traditional Chinese Medicine (TCM) has many obvious advantages in the treatment of chronic conditions such as urinary tract infection (UTI). Dongbai-Tonglin-Fang (DBTL), a Chinese herbal formula, has been used for the treatment of UTI for more than 40 years with proven efficacy. However, its mechanism of action is still unknown. AIM OF THE STUDY The purpose of this study is to evaluate the therapeutic efficacy of DBTL and its mechanism of action in a rat UTI model. MATERIALS AND METHODS E. coli solution induced UTI rat model was used to evaluate the therapeutic effect of DBTL on UTI. Biochemical indicators related to UTI were measured. The kidney tissue was stained with hematoxylin-eosin (HE) to observe pathological changes whilst the ear swelling, feet swelling, hot plate and body torsion tests were used to estimate the anti-inflammatory and analgesic effects of DBTL. RESULTS After treatment with different doses of DBTL (1, 2, 4 g/kg), a decrease in weight of the kidney in the UTI rat model was observed. The contents of white blood cell, nitrite, urinary albumin, ketone body, bilirubin and occult blood in the urine were also reduced whilst an increase in the pH of urine was observed. HE staining showed that the pathological changes in the kidney tissue were alleviated. At the same time, ear swelling assay showed that the weight and the degree of swelling of the ear of the mice in DBTL groups were decreased remarkably. DBTL also reduced the degree of feet swelling of the rats caused by the adjuvant. Furthermore, with the DBTL treatment, the latency period of foot licking induced by thermal stimulation was increased while the number of twists was lessened. CONCLUSION These results show that DBTL has an excellent therapeutic effect on UTI rats accompanying with anti-inflammation and analgesia. The data presented here lays the foundations for further investigations in the treatment of UTI.
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Affiliation(s)
- Xiao-Qin Li
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 200030, PR China; School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jian-Yong Zhu
- Central Laboratory, Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200062, PR China
| | - Rong-Rong Pan
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 200030, PR China; Central Laboratory, Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200062, PR China
| | - Yu-Li Shen
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 200030, PR China; Central Laboratory, Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200062, PR China
| | - Khalid Rahman
- School of Pharmacy and Biomolecular Sciences, Faculty of Science, Liverpool John Moores University, Liverpool, L3 3AF, England, UK
| | - Chun-Yan Zhang
- Central Laboratory, Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200062, PR China
| | - Li-Jun Zhang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 200030, PR China.
| | - Xin Luan
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 200030, PR China.
| | - Hong Zhang
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 200030, PR China.
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Yuan CQ, Zhu H, Zhu JY, Xiao LX, Zhang Q, Liu H. [The effect of surgical methods and postoperative eye position on the quality of life in patients with intermittent exotropia]. Zhonghua Yan Ke Za Zhi 2019; 53:924-930. [PMID: 29325385 DOI: 10.3760/cma.j.issn.0412-4081.2017.12.009] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To evaluate the effects of different surgical methods and postoperative eye positions on the quality of life of children with intermittent exotropia (IXT) and their parents 3 months following strabismus surgery. Methods: Clinical observation. One-hundred and eighty children aged 2 to 17 years with IXT who received surgical treatment were recruited. One parent of each child was investigated by using 2 kinds of the Chinese version of the Intermittent Exotropia Questionnaires (CIXTQ) within 1 weeks before and at 3 months after surgery: the parent proxy scale (for parents to assess children's health related quality of life (HRQoL)) and the parent scale (containing functional, psychosocial and surgery subscales; for parents to assess their HRQoL). One hundred and eighty children were divided into different groups according to the surgical. Methods Monocular surgery group, binocular surgery group and eye position after 3 months: undercorrection group, successful group, overcorrection group, to explore: (1) the change of scores before and after surgery. (2) the difference of score changes after surgery between monocular and binocular surgery groups. (3) the difference of score changes after surgery between different postoperative eye position groups. Results: Significant improvement in median scores was seen from pre-operation to 3months post-operatively for all the proxy scale (t=-9.585, P<0.001), the functional (t=-11.361, P<0.001), psychosocial (t=-10.856, P<0.001) and surgery subscale (t=-11.622, P< 0.001) of parent scale. The change values from pre-operation to 3months post-operatively were not significantly different between monocular and binocular surgery groups for all the proxy scale (t=0.242, P=0.330), the functional (t=0.462, P=0.050), psychosocial (t=0.781, P=0.582) and surgery subscale (t=0.009, P=0.355) of parent scale, but significantly different between undercorrection, successful and overcorrection groups for the proxy scale (F=21.527, P<0.001), the functional (F=54.236, P<0.001), psychosocial (F=41.784, P<0.001) and surgery subscale (F=31.943, P<0.001). The scores of proxy scale and 3 parent subscales were all significantly improved (t=-13.639 to -6.059, P<0.05) after operation in both the undercorrection and successful groups, while significantly decreased in the overcorrection group (t=1.350-4.391, P<0.05). Conclusions: HRQoL can be improved significantly in both the undercorrection and successful groups, while decreased in the overcorrection group. (Chin J Ophthalmol, 2017, 53: 924-930).
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Affiliation(s)
- C Q Yuan
- Jiangsu Province Hospital of Traditional Chinese Medicine, Nanjing 210000, China
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Wei JY, Lin DN, Wu ZB, Zhu JY, Zhao ZX, Mei YY, Lin CS, Zhang J, Zhang XH. [Safety and efficacy of DCV-based DAAs therapy for chronic HCV infection in China]. Zhonghua Gan Zang Bing Za Zhi 2019; 26:933-939. [PMID: 30669787 DOI: 10.3760/cma.j.issn.1007-3418.2018.12.011] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To evaluate the efficacy and safety of DCV-based DAAs therapy for chronic HCV infected Chinese patients. Methods: An open-label, non-randomized, prospective study was designed. Fifty-two patients with chronic HCV infection were enrolled. Among them, there was one patient after liver transplantation, 2 patients after kidney transplantation, 3 patients with hepatocellular carcinoma, and 4 patients with HBV infection. Thirteen cases with chronic hepatitis C (one compensated cirrhosis) who were negative for resistance-related variants [NS5A RAS (-)] of gene 1b and NS5A were treated with daclatasvir (DCV) + asunaprevir (ASV) for 24 weeks. Twenty-five cases of CHC (six compensated cirrhosis) with GT 1b, 2a, 3a, 3b, 6a were treated with DCV + SOF ± RBV for 24 weeks. 8 cases with decompensated cirrhosis of gene 1b and NS5A RAS(-) were given DCV + SOF + RBV regimen for 12 weeks. Six cases with decompensated cirrhosis, of gene 2a, 1b, 2a, 3a, 3b, were given DCV + SOF + RBV regimen for 24 weeks. HCV RNA, blood routine test, liver and kidney function, and upper abdominal ultrasound/MRI were measured at baseline, 4 weeks of treatment, end of treatment, and 12 weeks of follow-up. The incidence of adverse events and laboratory abnormalities during treatment were recorded. A t-test was used to compare the measurement data between two groups, and analysis of variance was used to compare the measurement data between multiple groups. Results: Sixteen patients (100%) achieved SVR12 after treatment, with 0% recurrence rate. Rapid virological response (RVR) of the four treatment regimens were 76.92%, 54.17%, 87.50%, and 83.33%, respectively, and 32 patients achieved 100% virological response after the completion of treatment. The incidence of adverse events of chronic hepatitis C with cirrhosis and decompensated cirrhosis was 62.5% and 64.29%, respectively. The most common adverse event was fatigue in CHC (25.00%), and elevated indirect bilirubin in decompensated cirrhosis (42.86%). No serious adverse drug events, deaths or adverse reactions occurred. Conclusion: DCV-based DAAs regimen is promising option for the treatment of HCV genotypes, compensated cirrhosis, decompensated cirrhosis, hepatocellular carcinoma, and HCV infection after liver/kidney transplantation in china. Above all, it has high SVR12 with good tolerability and safety profile.
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Affiliation(s)
- J Y Wei
- Department of Infectious Diseases, Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
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Zhu J, Hu J, Mao YF, Chen FY, Zhu JY, Shi JM, Yu DD, Hao SG, Tao R, Liu P, Gu SY, Hou J, He HY, Liang AB, Ding Y, Liu LG, Xie YH, Zhu Q, Yu YH, Yao YH, Chen W, Xu HL, Han XH, Wang C. [A multicenter, retrospective study of pathogenic bacteria distribution and drug resistance in febrile neutropenic patients with hematological diseases in Shanghai]. Zhonghua Xue Ye Xue Za Zhi 2019; 38:945-950. [PMID: 29224317 PMCID: PMC7342794 DOI: 10.3760/cma.j.issn.0253-2727.2017.11.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
目的 了解上海地区中性粒细胞缺乏(粒缺)伴发热血液病患者致病细菌的分布及耐药情况。 方法 回顾性分析2012年1月至2014年12月上海市12家医院血液科粒缺伴发热住院患者的临床分离菌株,用纸片扩散法进行药敏试验,WHONET 5.6软件分析病原菌分布及药敏数据。 结果 从上海地区粒缺伴发热患者中共分离出1 260株细菌,其中革兰阳性菌420株(33.3%),革兰阴性菌840株(66.7%)。排在前七位的分别是肺炎克雷伯菌158株(12.5%)、嗜麦芽窄食单胞菌120株(9.5%)、大肠埃希菌115株(9.1%)、铜绿假单胞菌109株(8.7%)、鲍曼不动杆菌83株(6.6%)、金黄色葡萄球菌70株(5.6%)和屎肠球菌63株(5.0%)。呼吸道分泌物标本中,非发酵菌占56.2%(350/623)。其中嗜麦芽窄食单胞菌占15.3%(95/623)。血液标本中,肠杆菌科细菌占42.3%(104/246),凝固酶阴性葡萄球菌占34.6%(85/246)。脓液标本中肠杆菌科细菌占39.4%(76/193),肠球菌属细菌占28.5%(55/193)。耐甲氧西林金黄色葡萄球菌葡萄球菌(MRSA)和耐甲氧西林凝固酶阴性葡萄球菌(MRCNS)的检出率分别为54.3%和82.5%,未发现耐利奈唑胺、万古霉素、替考拉宁葡萄球菌属菌株,耐万古霉素屎肠球菌的检出率为8.9%,肠球菌属未检出耐利奈唑胺的菌株。肠杆菌科细菌对碳青霉烯类药物高度敏感。铜绿假单胞菌对亚胺培南和美罗培南的耐药率已分别达34.1%和15.8%。嗜麦芽窄食单胞菌对米诺环素、左氧氟沙星、复方磺胺甲恶唑等药物敏感。鲍曼不动杆菌仅对头孢哌酮/舒巴坦的耐药率低于10.0%。肺炎克雷伯菌、嗜麦芽窄食单胞菌、铜绿假单胞菌、鲍曼不动杆菌等革兰阴性菌对大多常用抗菌药物的耐药率低于CHINET监测的数据。 结论 粒缺伴感染患者常见感染部位致病菌株分布有其特点,细菌耐药率整体低于CHINET全国医院大样本监测。
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Affiliation(s)
- J Zhu
- Department of Hematology, Shanghai Jiaotong University Affiliated Shanghai General Hospital, Shanghai 200080, China
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- Department of Hematology, Shanghai Jiaotong University Affiliated Shanghai General Hospital, Shanghai 200080, China
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Li XQ, Rahman K, Zhu JY, Zhang H. Chemical Constituents and Pharmacological Activities of Stellera chamaejasme. Curr Pharm Des 2018; 24:2825-2838. [PMID: 30179119 DOI: 10.2174/1381612824666180903110802] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 08/24/2018] [Accepted: 08/31/2018] [Indexed: 11/22/2022]
Abstract
Background:
Stellera chamaejasme is a perennial weed and is found across a wide geographic range.
It is found in the Altai of eastern Russia, northern China and Mongolia southwards and reaches as far as the western
Himalayas of the Qinghai-Tibet and Yungui Plateaus. The dried roots of S. Chamaejasme are named “Rui-
Xiang-Lang-Du” and this herb with toxic properties is widely used in Traditional Chinese Medicine for the treatment
of various disorders. It is effective against dispelling phlegm by water and displays toxicity against insect
pests. This review provides a comprehensive overview of the chemical composition and the pharmacological
properties of S. Chamaejasme thus providing a better insight into its application in the prevention of human
disease.
Methods:
A comprehensive literature review was undertaken and the main chemical compounds found in S.
Chamaejasme were identified on the basis of their chemical formula and structure. These included flavonoids,
coumarins, lignans, diterpenoids plus others, and their pharmacological properties were also summarized in detail.
Results:
The main constituents of S. Chamaejasme included flavonoids, coumarins, lignans, diterpenoids plus
other compounds. The pharmacological properties of these compounds displayed a wide spectrum and include
anti-tumors, anti-viral, anti-bacterial, anti-convulsive, anti-epileptic, insecticide, anti-inflammation, regulation of
immunity etc. The diterpenoids were widely recognized as the constituent responsible for the anti-tumor effect.
Conclusion:
A large number of studies conclude that S. Chamaejasme displays a wide spectrum of pharmacological
activity with the anti-tumor activity being significant.
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Affiliation(s)
- Xiao-Qin Li
- Central Laboratory, Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Khalid Rahman
- Faculty of Science, School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool L3 3AF, United Kingdom
| | - Jian-Yong Zhu
- Central Laboratory, Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hong Zhang
- Central Laboratory, Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Zhang H, Tang QF, Sun MY, Zhang CY, Zhu JY, Shen YL, Zhao B, Shao ZY, Zhang LJ, Zhang H. ARHGAP9 suppresses the migration and invasion of hepatocellular carcinoma cells through up-regulating FOXJ2/E-cadherin. Cell Death Dis 2018; 9:916. [PMID: 30206221 PMCID: PMC6133947 DOI: 10.1038/s41419-018-0976-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 08/06/2018] [Accepted: 08/20/2018] [Indexed: 11/09/2022]
Abstract
Rho GTPase activating protein 9 (ARHGAP9), a member of RhoGAP family, has been identified as a RhoGAP for Cdc42 and Rac1. Here, we aimed to clarify the expression and functional role of ARHGAP9 in hepatocellular carcinoma (HCC). By analyzing TCGA (The Cancer Genome Atlas) LIHC (liver hepatocellular carcinoma) database, we found that ARHGAP9 expression was lower in HCC tissues than in normal liver tissues, and that patients with ARHGAP9 lower expression had a significant shorter overall survival time than those with ARHGAP9 higher expression. Cell counting kit-8 (CCK-8), transwell assays and in vivo experimental lung metastasis assay revealed that ARHGAP9 overexpression could inhibit HCC cell proliferation, migration and invasion, as well as HCC lung metastases. By next-generation RNA-sequencing, we identified that a transcription factor, Forkhead Box J2 (FOXJ2), was significantly induced by ARHGAP9 overexpression in HepG2 cells. Ectopic expression of FOXJ2 in HCC cell lines also exerted inhibitory effects on cell migration and invasion. Moreover, the inhibitory effects of ARHGAP9 on HCC cell migration and invasion was significantly attenuated by FOXJ2 knockdown. Luciferase reporter assay demonstrated that ARHGAP9 enhanced the transcription of E-cadherin (CDH1) via FOXJ2. Chromatin immunoprecipitation (ChIP) assay demonstrated that FOXJ2 modulated the transcription of E-cadherin (CDH1) by directly binding to its promoter. Furthermore, Pearson's correlation analysis indicated that the mRNA levels of ARHGAP9 in HCC tissues were positively correlated with the mRNA levels of FOXJ2 and CDH1. These data clearly show that ARHGAP9/FOXJ2 inhibit cell migration and invasion during HCC development via inducing the transcription of CDH1.
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Affiliation(s)
- Hong Zhang
- Central Laboratory, Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, China
| | - Qing-Feng Tang
- Department of Clinical Laboratory and Central Laboratory, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200062, China
| | - Meng-Yao Sun
- Department of Clinical Laboratory and Central Laboratory, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200062, China
| | - Chun-Yan Zhang
- Central Laboratory, Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, China
| | - Jian-Yong Zhu
- Central Laboratory, Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, China
| | - Yu-Li Shen
- Central Laboratory, Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, China
| | - Bin Zhao
- Department of General Surgery, Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, China
| | - Zhi-Yi Shao
- Central Laboratory, Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, China
| | - Li-Jun Zhang
- Central Laboratory, Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, China.
| | - Hong Zhang
- Central Laboratory, Seventh People's Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, 200137, China.
- Institute of Interdisciplinary Medical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
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Ding XL, Zhu PF, Huang CH, Zhang Q, Zhu JY, Liu WW, Zhou WJ. [The transformation of microcystin-LR during tap water treatment process and analysis of its degradation products]. Zhonghua Yu Fang Yi Xue Za Zhi 2018; 52:898-903. [PMID: 30196635 DOI: 10.3760/cma.j.issn.0253-9624.2018.09.006] [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] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Objective: To establish a liquid chromatography-tandem mass spectrometry (LC/MS/MS) method for the determination of microcystin-LR (MC-LR) in drinking water, investigate its removal efficiency during tap water advanced treatment process and analyze its degradation products in the tap water. Methods: Two parallel water samples were collected from each point of tap water advanced treatment process in September 2015, November 2015 and January 2016, respectively, and treated by mixing, filtration, concentration, elution, nitrogen blow and re-dissolvement. The samples were analyzed by LC/MS/MS to determine the MC-LR concentration and its removal efficiency during treatment process. The combination of actual water enrichment (including source water enrichment of 50 times and 1 500 times concentrated, finished water enrichment of 50 times and 2 500 times concentrated) and laboratory simulated water (including the mixture of MC-LR and liquid chlorine in the mass ratio of 1∶10, 1∶20, 1∶100 and 1∶1 000, respectively) were used to qualitative analyze the MC-LR degradation products by Orbitrap mass spectrometry. Results: The linearity of MC-LR ranged from 2 to 200 μg/L with the detection limit of 0.007 9 μg/L and the limit of quantification of 0.026 3 μg/L. The recovery rate of MC-LR from different contration in drinking water were from 94.88%-101.47%. The intra-day precision was 2.51%-7.93% and the intra-day precision was 3.24%-8.41%. The average concentration of MC-LR in source water was (0.631±0.262) μg/L, 94.0% of which can be removed by ozone exposure while the concentrate was (0.038±0.016) μg/L, biological pre-treatment and chlorination. The remaining can hardly be removed by sand filtration, ozone exposure, activated carbon, ultrafiltration and other processes. The MC-LR average concentration in the finished water maintained at about (0.036±0.016) μg/L. Degradation products including hydroxy-microcystin, methyl-hydroxy-microcystin, methyl-microcystin were identified in the laboratory simulated water of the mixture of MC-LR and liquid chlorine in the mass ratio of 1∶10. Conclusion: The established MC-LR detection method can be well applied to the monitoring of MC-LR in drinking water due to its simple pre-treatment process and good methodological validation parameters. The degradation products of treatment processes was different.
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Affiliation(s)
- X L Ding
- Department of Public Health, Wuxi Center for Disease Control and Prevention, Wuxi 214023, China
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Zhang CY, Zhang LJ, Lu ZC, Ma CY, Ye Y, Rahman K, Zhang H, Zhu JY. Antitumor Activity of Diterpenoids from Jatropha gossypiifolia: Cell Cycle Arrest and Apoptosis-Inducing Activity in RKO Colon Cancer Cells. J Nat Prod 2018; 81:1701-1710. [PMID: 30106289 DOI: 10.1021/acs.jnatprod.7b01036] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Nine new minor diterpenoids, jatrogossones A-I (1-9), and six known analogues (10-15) were separated from an extract of the branches and leaves of Jatropha gosspiifolia. Compounds 4-6 and 10, possessing a 5/11 fused-ring skeleton, and 8, 9, and 13, with a 5/9/5 fused-ring skeleton, represent rare diterpenoid skeletons that have been found only in compounds isolated from plants of the Jatropha genus. The absolute configurations of 1-10 were defined by using a combination of electronic circular dichroism data analysis and single-crystal X-ray diffraction data. The cytotoxicity of the diterpenoids was evaluated using RKO and LOVO colon cancer cells in which regenerating islet-derived protein 3-alpha (Reg3A) is highly expressed. Compound 12 exhibited cytotoxicity against RKO colon cancer cells with an IC50 value of 2.6 μM. Morphological features of apoptosis and antimigration activities were evaluated in 12-treated RKO cells. Compound 12 effectively induced apoptosis of RKO, which was associated with G2/M-phase cell cycle arrest. Flow cytometric analysis showed that the treatment by 12 significantly induced RKO cell apoptosis in a dose-dependent manner.
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Affiliation(s)
- Chun-Yan Zhang
- Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai 200137 , People's Republic of China
| | - Li-Jun Zhang
- Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai 200137 , People's Republic of China
| | - Zhi-Cheng Lu
- Medical Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai 200137 , People's Republic of China
| | - Chen-Yun Ma
- Medical Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai 200137 , People's Republic of China
| | - Ying Ye
- Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai 200137 , People's Republic of China
| | - Khalid Rahman
- Faculty of Science, School of Pharmacy and Biomolecular Sciences , Liverpool John Moores University , Liverpool L3 3AF , U.K
| | - Hong Zhang
- Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai 200137 , People's Republic of China
| | - Jian-Yong Zhu
- Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai 200137 , People's Republic of China
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Li XQ, Song YN, Wang SJ, Rahman K, Zhu JY, Zhang H. Saikosaponins: a review of pharmacological effects. J Asian Nat Prod Res 2018; 20:399-411. [PMID: 29726699 DOI: 10.1080/10286020.2018.1465937] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2016] [Accepted: 04/12/2018] [Indexed: 06/08/2023]
Abstract
Over the past decades, a number of phytochemicals have been reported to possess potent pharmacological effects. Saikosaponins represent a group of oleanane derivatives, usually as glucosides, which are commonly found in medicinal plants Bupleurum spp., which have been used as traditional Chinese medicine for more than 1,000 years in China. Emerging evidence suggests that saikosaponins have many pharmacological effects, including sedation, anticonvulsant, antipyretic, antiviral, immunity, anti-inflammation, antitumor properties, protecting liver and kidney and so on. The present review provides a comprehensive summary and analysis of the pharmacological properties of saikosaponins, supporting the potential uses of saikosaponins as a medicinal agent.
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Affiliation(s)
- Xiao-Qin Li
- a School of Pharmacy , Chengdu University of Traditional Chinese Medicine , Chengdu 611137 , China
- b Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai 200137 , China
| | - Ya-Nan Song
- b Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai 200137 , China
| | - Su-Juan Wang
- b Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai 200137 , China
| | - Khalid Rahman
- c Faculty of Science, School of Biomolecular Sciences , Liverpool John Moores University , Liverpool L3 3AF , UK
| | - Jian-Yong Zhu
- b Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai 200137 , China
| | - Hong Zhang
- a School of Pharmacy , Chengdu University of Traditional Chinese Medicine , Chengdu 611137 , China
- b Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai 200137 , China
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Li Z, Mao YG, Yu C, Gao J, Zhu JY. [Analysis of risk factors of tumor recurrence after liver transplantation for HBV-related hepatocellular carcinoma patients]. Zhonghua Gan Zang Bing Za Zhi 2018; 26:98-101. [PMID: 29804374 DOI: 10.3760/cma.j.issn.1007-3418.2018.02.005] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the characteristics of tumor recurrence after liver transplantation in patients with hepatocellular carcinoma (HCC) associated with hepatitis B and to analyze the risk factors that influence the recurrence and prognosis. Methods: The clinicopathological and survival data of 162 patients with hepatitis B -associated liver cancer who underwent liver transplantation in Peking University People's Hospital from January 2002 to December 2016 were retrospectively analyzed. The postoperative survival rate (OS) and tumor free survival rate (DFS) was statistically analyzed by using the log-rank test. Univariate analysis was performed for various clinicopathological indicators, and the Cox proportional risk regression model was used for multivariate analysis. Results: Univariate analysis showed that the age of the recipients (P(OS) = 0.047, P(DFS) = 0.045), the maximum tumor size (P < 0.001, P(DFS) < 0.001), preoperative AFP levels (P(OS) < 0.001, P(DFS) < 0.001), preoperative HBV-DNA levels (P(OS) = 0.035, P(DFS) = 0.029), vein tumor thrombosis (P(OS) < 0.001, P(DFS) < 0.001), and tumor differentiation degree (P(OS) <0.001, P(DFS) < 0.001) were associated with overall prognosis and tumor recurrence. Multivariate analysis revealed that preoperative AFP levels (P(OS) = 0.014, P(DFS) = 0.013), the maximum tumor size (P(OS) < 0.001, P(DFS) = 0.001), vein tumor thrombosis (P(OS) = 0.012, P(DFS) < 0.004), and tumor differentiation degree (P(OS) = 0.004, P(DFS) = 0.009) were independent risk factors affecting overall prognosis and tumor recurrence. Conclusion: The major prognostic factors linked to tumor biological characteristics after liver transplantation in HBV-related HCC patients are preoperative AFP levels, the largest tumor size, and vein tumor thrombosis and tumor differentiation degree.
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Affiliation(s)
- Z Li
- Department of Hepatobiliary Surgery, Peking University People's Hospital, Beijing100044, China
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Zhu JY, Hu JJ, Zhang MK, Yu WY, Zheng DW, Wang XQ, Feng J, Zhang XZ. Post-targeting strategy for ready-to-use targeted nanodelivery post cargo loading. Nanoscale 2017; 9:19026-19030. [PMID: 29186218 DOI: 10.1039/c7nr06080g] [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] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Based on boronate formation, this study reports a post-targeting methodology capable of readily installing versatile targeting modules onto a cargo-loaded nanoplatform in aqueous mediums. This permits the targeted nanodelivery of broad-spectrum therapeutics (drug/gene) in a ready-to-use manner while overcoming the PEGylation-dilemma that frequently occurs in conventional targeting approaches.
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Affiliation(s)
- J Y Zhu
- Dept of Chemistry, Wuhan University, Wuhan, P. R. China.
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Zhang CY, Luo L, Xia J, Song YN, Zhang LJ, Zhang M, Rahman K, Ye Y, Zhang H, Zhu JY. Sesquiterpenes and lignans from the flower buds of Daphne genkwa and their nitric oxide inhibitory activities. Nat Prod Res 2017; 32:2893-2899. [PMID: 29052451 DOI: 10.1080/14786419.2017.1389937] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [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: 10/18/2022]
Abstract
Chemical investigation of the Daphne genkwa has led to the isolation of four sesquiterpenes (1a/1b, 2 and 3), including one pair of sesquiterpene enantiomers (1a/1b), 1a is a new compound (+)-4-hydroxy-10-epirotundone, and twelve lignans (4-15). Their structures were elucidated by spectroscopic analysis, and the absolute configurations of 1a/1b were determined by CD analysis. All compounds were examined for their inhibitory effects on the nitric oxide (NO) production induced by lipopolysaccharide (LPS) in BV-2 microglial cells, and compounds 7-10 exhibited pronounced inhibition on NO production with IC50 values in the range of 5.8-10.2 μM, being more active than the positive control, quercetin (IC50 = 17.0 μM).
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Affiliation(s)
- Chun-Yang Zhang
- a Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai , P.R. China
| | - Lan Luo
- b Department of Pharmacy , Seventh People's Hospital of Shanghai University of TCM , Shanghai , P.R. China
| | - Jing Xia
- c Research Institute of Chinese Materia Medica , Guangzhou Baiyun Mountain and Hutchison Whampoa Ltd. , Guangzhou , P.R. China
| | - Ya-Nan Song
- a Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai , P.R. China
| | - Li-Jun Zhang
- a Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai , P.R. China
| | - Miao Zhang
- a Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai , P.R. China
| | - Khalid Rahman
- d Faculty of Science, School of Biomolecular Sciences , Liverpool John Moores University , Liverpool , UK
| | - Yin Ye
- a Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai , P.R. China
| | - Hong Zhang
- a Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai , P.R. China
| | - Jian-Yong Zhu
- a Central Laboratory , Seventh People's Hospital of Shanghai University of TCM , Shanghai , P.R. China
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Sun MY, Zhu JY, Zhang CY, Zhang M, Song YN, Rahman K, Zhang LJ, Zhang H. Autophagy regulated by lncRNA HOTAIR contributes to the cisplatin-induced resistance in endometrial cancer cells. Biotechnol Lett 2017; 39:1477-1484. [PMID: 28721581 DOI: 10.1007/s10529-017-2392-4] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Accepted: 07/13/2017] [Indexed: 01/08/2023]
Abstract
OBJECTIVES To identify whether lncRNAs (long non-coding RNA) participate in the regulation of cisplatin-resistant induced autophagy in endometrial cancer cells. RESULTS Autophagy activity was significantly boosted in cisplatin-resistant Ishikawa cells, a human endometrial cancer cell line, compared with that in parental Ishikawa cells. After analyzing the overall long noncoding RNA (lncRNA) profiling, a meaningful lncRNA, HOTAIR, was identified. It was down-regulated simultaneously in cisplatin-resistant Ishikawa cells and parental Ishikawa cells treated with cisplatin. RNA interference of HOTAIR reduced the proliferation of cisplatin-resistant Ishikawa cells and enhanced the autophagy activity of cisplatin-resistant Ishikawa cells with or without cisplatin treatment, in addition, beclin-1, multidrug resistance (MDR), and P-glycoprotein (P-gp) were mediated by lncRNA HOTAIR. CONCLUSIONS It is clear that lncRNAs, specifically HOTAIR, can regulate the cisplatin-resistance ability of human endometrial cancer cells through the regulation of autophagy by influencing Beclin-1, MDR, and P-gp expression.
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Affiliation(s)
- Meng-Yao Sun
- Central Laboratory, Seventh People's Hospital of Shanghai, University of TCM, Shanghai, 200137, China
- Department of Pharmaceutical Botany, School of Pharmacy, Second Military Medical University, Shanghai, 200137, China
| | - Jian-Yong Zhu
- Central Laboratory, Seventh People's Hospital of Shanghai, University of TCM, Shanghai, 200137, China
| | - Chun-Yan Zhang
- Central Laboratory, Seventh People's Hospital of Shanghai, University of TCM, Shanghai, 200137, China
| | - Miao Zhang
- Central Laboratory, Seventh People's Hospital of Shanghai, University of TCM, Shanghai, 200137, China
| | - Ya-Nan Song
- Central Laboratory, Seventh People's Hospital of Shanghai, University of TCM, Shanghai, 200137, China
| | - Khalid Rahman
- Faculty of Science, School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool, UK
| | - Li-Jun Zhang
- Central Laboratory, Seventh People's Hospital of Shanghai, University of TCM, Shanghai, 200137, China.
| | - Hong Zhang
- Central Laboratory, Seventh People's Hospital of Shanghai, University of TCM, Shanghai, 200137, China.
- Department of Pharmaceutical Botany, School of Pharmacy, Second Military Medical University, Shanghai, 200137, China.
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