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Xiang Z, Zheng JY, Ma X, Chu Y, Song Q, Zhou G, Zou B, Wu H, Wang C. FEN1-assisted DNA logic amplifier circuit for fast and compact DNA computing. Chem Commun (Camb) 2024; 60:4593-4596. [PMID: 38577866 DOI: 10.1039/d4cc00203b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/06/2024]
Abstract
This work developed DNA amplifier logic gates (AND-OR, OR-AND, FAN-IN, FAN-OUT, and 4-bit square-root circuits) using a flap endonuclease 1 (FEN1)-catalyzed signal amplification reaction, for the fastest and compact DNA computing. Moreover, the logic circuit can use input strands with concentrations of less than 1 nM, which is more than 100 times lower than the input concentration of other DNA logic circuits, providing a promising methodology for constructing fast and compact DNA computations.
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Affiliation(s)
- Zheng Xiang
- Department of Pharmacy, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Jia-Yi Zheng
- Key Laboratory of Drug Quality Control and Pharmacovigilance of Ministry of Education, School of Pharmacy, China Pharmaceutical University, Nanjing, China.
| | - Xueping Ma
- Department of Clinical Pharmacy, State Key Laboratory of Analytical Chemistry for Life Science and Jiangsu Key Laboratory of Molecular Medicine, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China.
| | - Yanan Chu
- Department of Clinical Pharmacy, State Key Laboratory of Analytical Chemistry for Life Science and Jiangsu Key Laboratory of Molecular Medicine, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China.
| | - Qinxin Song
- Key Laboratory of Drug Quality Control and Pharmacovigilance of Ministry of Education, School of Pharmacy, China Pharmaceutical University, Nanjing, China.
| | - Guohua Zhou
- Department of Clinical Pharmacy, State Key Laboratory of Analytical Chemistry for Life Science and Jiangsu Key Laboratory of Molecular Medicine, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China.
| | - Bingjie Zou
- Key Laboratory of Drug Quality Control and Pharmacovigilance of Ministry of Education, School of Pharmacy, China Pharmaceutical University, Nanjing, China.
| | - Haiping Wu
- Department of Clinical Pharmacy, State Key Laboratory of Analytical Chemistry for Life Science and Jiangsu Key Laboratory of Molecular Medicine, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China.
| | - Chen Wang
- Key Laboratory of Drug Quality Control and Pharmacovigilance of Ministry of Education, School of Pharmacy, China Pharmaceutical University, Nanjing, China.
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Yang XT, Niu PQ, Li XF, Sun MM, Wei W, Chen YQ, Zheng JY. Differential cytokine expression in gastric tissues highlights helicobacter pylori's role in gastritis. Sci Rep 2024; 14:7683. [PMID: 38561502 PMCID: PMC10984929 DOI: 10.1038/s41598-024-58407-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 03/28/2024] [Indexed: 04/04/2024] Open
Abstract
Helicobacter pylori (H. pylori), known for causing gastric inflammation, gastritis and gastric cancer, prompted our study to investigate the differential expression of cytokines in gastric tissues, which is crucial for understanding H. pylori infection and its potential progression to gastric cancer. Focusing on Il-1β, IL-6, IL-8, IL-12, IL-18, and TNF-α, we analysed gene and protein levels to differentiate between H. pylori-infected and non-infected gastritis. We utilised real-time quantitative polymerase chain reaction (RT-qPCR) for gene quantification, immunohistochemical staining, and ELISA for protein measurement. Gastric samples from patients with gastritis were divided into three groups: (1) non-gastritis (N-group) group, (2) gastritis without H. pylori infection (G-group), and (3) gastritis with H. pylori infection (GH-group), each consisting of 8 samples. Our findings revealed a statistically significant variation in cytokine expression. Generally, cytokine levels were higher in gastritis, but in H. pylori-infected gastritis, IL-1β, IL-6, and IL-8 levels were lower compared to H. pylori-independent gastritis, while IL-12, IL-18, and TNF-α levels were higher. This distinct cytokine expression pattern in H. pylori-infected gastritis underscores a unique inflammatory response, providing deeper insights into its pathogenesis.
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Affiliation(s)
- Xing-Tang Yang
- Department of Gastroenterology, Chongming Branch, Shanghai Tenth People's Hospital, Tongji University School of Medicine, No. 66 Xiangyangdong Road, Bao Town, Chongming District, Shanghai, 202157, People's Republic of China.
- Department of Emergency, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, People's Republic of China.
| | - Pei-Qin Niu
- Department of Gastroenterology, Chongming Branch, Shanghai Tenth People's Hospital, Tongji University School of Medicine, No. 66 Xiangyangdong Road, Bao Town, Chongming District, Shanghai, 202157, People's Republic of China.
| | - Xiao-Feng Li
- Department of Emergency, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, People's Republic of China
| | - Ming-Ming Sun
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, People's Republic of China
| | - Wei Wei
- Department of Emergency, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, People's Republic of China
| | - Yan-Qing Chen
- Department of Emergency, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, People's Republic of China
| | - Jia-Yi Zheng
- Department of Pathology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, People's Republic of China
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Guan WY, Zheng JY, Nie L, Wu HY. [Stratified application of gene expression in diagnosis of thyroid nodules]. Zhonghua Bing Li Xue Za Zhi 2024; 53:264-268. [PMID: 38433054 DOI: 10.3760/cma.j.cn112151-20230828-00100] [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: 03/05/2024]
Abstract
Objective: To investigate the value of BRAF V600E and multigene detection and stratified application for the diagnosis of thyroid nodules. Methods: A total of 1 117 patients with thyroid nodules resection at Nanjing Gulou Hospital from December 2020 to July 2022 were enrolled in the study. Fine needle aspiration (FNA) and core biopsy samplings were performed for cytopathologic examination and genetic testings; the findings were combined with BSRTC classification. The diagnostic performance of BRAF V600E and multigene detection were compared. Results: Among the 1, 117 patients who underwent thyroid nodules resection, 285 were male and 832 were female, with a median age of 46 years (range: 24-76 years). Postoperative histopathologic examination confirmed 1 040 cases of thyroid cancer and 77 cases of benign nodules. The sensitivity (87.0% vs. 80.8%, P<0.01) and diagnostic accuracy (87.9% vs. 82.1%, P<0.01) of multigene detection were significantly higher than those of BRAF V600E detection. The result of multigene detection showed that BRAF V600E mutation was the most common finding, followed by CCDC6-RET (E1-E12) fusion, ETV6-NTRK3 fusion, and KRAS mutation. Multigene detection had a higher sensitivity (81.9% vs. 72.8%, P<0.01) and lower cancer risk in wild-type (47.6% vs. 57.7%, P=0.069) than BRAF V600E detection in BSRTCⅠ-Ⅴ lesions. Compared with BRAF V600E detection, multigene had no significant difference of sensitivity in BSRTC Ⅰ lesions, but significantly higher sensitivity (86.3% vs 74.0%, P<0.01) in BSRTC Ⅲ lesions. Conclusions: Genetic detection can be used as an effective tool for the diagnosis of thyroid nodules. A stratified application of molecular markers in the diagnosis of thyroid nodules is proposed. Combined with FNA, single gene or multigene detection both can effectively assist in the diagnosis of thyroid nodules. Moreover, multigene detection is superior to single gene detection. For BSRTC Ⅲ lesion with wild-type BRAF, multigene detection can be considered with a repeated FNA.
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Affiliation(s)
- W Y Guan
- Department of Pathology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - J Y Zheng
- Department of Pathology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - L Nie
- Department of Pathology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - H Y Wu
- Department of Pathology, the Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing 210008, China
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Liu NH, Liu HQ, Zheng JY, Zhu ML, Wu LH, Pan HF, He XX. Fresh Washed Microbiota Transplantation Alters Gut Microbiota Metabolites to Ameliorate Sleeping Disorder Symptom of Autistic Children. J Microbiol 2023; 61:741-753. [PMID: 37665552 DOI: 10.1007/s12275-023-00069-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 07/25/2023] [Accepted: 07/30/2023] [Indexed: 09/05/2023]
Abstract
Accumulating studies have raised concerns about gut dysbiosis associating autism spectrum disorder (ASD) and its related symptoms. However, the effect of gut microbiota modification on the Chinese ASD population and its underlying mechanism were still elusive. Herein, we enrolled 24 ASD children to perform the first course of fresh washed microbiota transplantation (WMT), 18 patients decided to participate the second course, 13 of which stayed to participate the third course, and there were 8 patients at the fourth course. Then we evaluated the effects of fresh WMT on these patients and their related symptoms. Our results found that the sleeping disorder symptom was positively interrelated to ASD, fresh WMT significantly alleviated ASD and its sleeping disorder and constipation symptoms. In addition, WMT stably and continuously downregulated Bacteroides/Flavonifractor/Parasutterella while upregulated Prevotella_9 to decrease toxic metabolic production and improve detoxification by regulating glycolysis/myo-inositol/D-glucuronide/D-glucarate degradation, L-1,2-propanediol degradation, fatty acid β-oxidation. Thus, our results suggested that fresh WMT moderated gut microbiome to improve the behavioral and sleeping disorder symptoms of ASD via decrease toxic metabolic production and improve detoxification. Which thus provides a promising gut ecological strategy for ASD children and its related symptoms treatments.
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Affiliation(s)
- Nai-Hua Liu
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, People's Republic of China
- Key Specialty of Clinical Pharmacy, The First Affiliated Hospital of Guangdong Pharmaceutical University, Nonglin Down Street 19, Guangzhou, 510080, People's Republic of China
| | - Hong-Qian Liu
- Department of Gastroenterology, Research Center for Engineering Techniques of Microbiota-Targeted Therapies of Guangdong Province, The First Affiliated Hospital of Guangdong Pharmaceutical University, Nonglin Down Street 19, Guangzhou, 510080, People's Republic of China
| | - Jia-Yi Zheng
- Department of Neurology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510120, People's Republic of China
| | - Meng-Lu Zhu
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, People's Republic of China
| | - Li-Hao Wu
- Department of Gastroenterology, Research Center for Engineering Techniques of Microbiota-Targeted Therapies of Guangdong Province, The First Affiliated Hospital of Guangdong Pharmaceutical University, Nonglin Down Street 19, Guangzhou, 510080, People's Republic of China
| | - Hua-Feng Pan
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510405, People's Republic of China.
| | - Xing-Xiang He
- Key Specialty of Clinical Pharmacy, The First Affiliated Hospital of Guangdong Pharmaceutical University, Nonglin Down Street 19, Guangzhou, 510080, People's Republic of China.
- Department of Gastroenterology, Research Center for Engineering Techniques of Microbiota-Targeted Therapies of Guangdong Province, The First Affiliated Hospital of Guangdong Pharmaceutical University, Nonglin Down Street 19, Guangzhou, 510080, People's Republic of China.
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Cai WL, Fang C, Liu LF, Sun FY, Xin GZ, Zheng JY. Pseudotargeted metabolomics-based random forest model for tracking plant species from herbal products. Phytomedicine 2023; 118:154927. [PMID: 37331178 DOI: 10.1016/j.phymed.2023.154927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 05/29/2023] [Accepted: 06/06/2023] [Indexed: 06/20/2023]
Abstract
BACKGROUND The "one-to-multiple" phenomenon is prevalent in medicinal herbs. Accurate species identification is critical to ensure the safety and efficacy of herbal products but is extremely challenging due to their complex matrices and diverse compositions. PURPOSE This study aimed to identify the determinable chemicalome of herbs and develop a reasonable strategy to track their relevant species from herbal products. METHODS Take Astragali Radix-the typical "one to multiple" herb, as a case. An in-house database-driven identification of the potentially bioactive chemicalome (saponins and flavonoids) in AR was performed. Furthermore, a pseudotargeted metabolomics method was first developed and validated to obtain high-quality semi-quantitative data. Then based on the data matrix, the random forest algorithm was trained to predict Astragali Radix species from commercial products. RESULTS The pseudotargeted metabolomics method was first developed and validated to obtain high-quality semi-quantitative data (including 56 saponins and 49 flavonoids) from 26 batches of AR. Then the random forest algorithm was well-trained by importing the valid data matrix and showed high performance in predicting Astragalus species from ten commercial products. CONCLUSION This strategy could learn species-special combination features for accurate herbal species tracing and could be expected to promote the traceability of herbal materials in herbal products, contributing to manufacturing standardization.
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Affiliation(s)
- Wen-Lu Cai
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, China
| | - Can Fang
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, China
| | - Li-Fang Liu
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, China
| | - Fang-Yuan Sun
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, China
| | - Gui-Zhong Xin
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, China.
| | - Jia-Yi Zheng
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, China.
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Zheng JY, Li XX, Lin WY, Su S, Wu HC, Hu RD, Pan HF, Ye JH, Cai YF, Zhang SJ. Huang-Lian-Jie-Du decoction alleviates depressive-like behaviors in dextran sulfate sodium-induced colitis mice via Trem2/Dap12 pathway. J Ethnopharmacol 2023:116658. [PMID: 37263316 DOI: 10.1016/j.jep.2023.116658] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 05/14/2023] [Accepted: 05/17/2023] [Indexed: 06/03/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Huang-Lian-Jie-Du decoction (HLJD), a traditional Chinese medicine prescription, has been implicated as effective in treating colitis, depression and inflammation-related diseases. Whether HLJD decoction could ameliorate colitis-induced depression was still unknown and the underlying mechanism was needed to be clarified. AIM OF THE STUDY Our study aimed to explore the effect and the underlying mechanism of HLJD treatment on colitis-induced depression and the involvement of the inflammatory factors and microglial-activated related genes. MATERIALS AND METHODS The chronic colitis model was established by treating male mice with 1% dextran sulfate sodium (DSS) for 8 weeks. One week after DSS-treated, HLJD decoction was administered orally with 2 and 4 g/kg daily for 7 weeks. Behavior tests (Open field/Elevated plus maze/Novel object recognition) and TUNEL staining were then assessed. The expression of inflammatory-related genes and microglial dysregulation were measured by RT-PCR and the expression of Trem2, Danp12 and Iba1 were assessed by immunofluorescence methods. RESULTS Depressive-like behaviors were observed in mice treated with DSS, which suffered colitis. Compared to normal control (NC-V) mice, the density of TUNEL + cells in the habenula (Hb), hippocampus (HIP), and cortex were significantly higher in colitis (DSS-V) mice, especially in Hb. Compared to NC-V and several brain regions, the expression levels of the Il-1β, Il-10 and Dap12 mRNA were significantly increased in the lateral habenula (LHb) of colitis mice. Moreover, the expression of Trem2, Dap12 and Iba1 were increased in LHb of DSS-V mice. HLJD treatment could alleviate depressive-like behaviors, reduce the density of TUNEL + cells in Hb and the expression of Il-6, Il-10 and Dap12 mRNA in LHb of DSS-V mice. The overexpression of Trem2, Dap12 and Iba1 in LHb of DSS-V mice were reversed after HLJD treatment. CONCLUSION These results reveal LHb is an important brain region during the process of colitis-induced depression. HLJD treatment could alleviates depressive-like behaviors in colitis mice via inhibiting the Trem2/Dap12 pathway in microglia of LHb, which would contribute to the precise treatment. It provides a potential mechanistic explanation for the effectiveness of HLJD treatment in colitis patients with depression.
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Affiliation(s)
- Jia-Yi Zheng
- Department of Neurology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510000, China; Department of Neurology, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, 510000, China; Postdoctoral Research Station of Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, 510000, China; Research Center for Chinese Medicine Innovation, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, 999077, China
| | - Xiao-Xiao Li
- Research Center for Chinese Medicine Innovation, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, 999077, China; State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, 518000, China
| | - Wei-Yao Lin
- Guangdong Provincial Key Laboratory of Translational Cancer Research of Chinese Medicines, Joint International Research Laboratory of Translational Cancer Research of Chinese Medicines, International Institute for Translational Chinese Medicine, School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Shan Su
- College of Basic Medicine, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Hai-Cui Wu
- Shenzhen Key Lab for Food Biological Safety Control, The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, 518000, China
| | - Rui-Dan Hu
- Guangdong Provincial Key Laboratory of Translational Cancer Research of Chinese Medicines, Joint International Research Laboratory of Translational Cancer Research of Chinese Medicines, International Institute for Translational Chinese Medicine, School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Hua-Feng Pan
- Department of Neurology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510000, China; Department of Neurology, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, 510000, China; Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, 510000, China
| | - Jiang-Hong Ye
- Department of Anesthesiology, Pharmacology, Physiology & Neuroscience, Rutgers, The State University of New Jersey, New Jersey Medical School, Newark, NJ, 07103, USA.
| | - Ye-Feng Cai
- Department of Neurology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510000, China; Department of Neurology, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, 510000, China; Postdoctoral Research Station of Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, 510000, China.
| | - Shi-Jie Zhang
- Department of Neurology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510000, China; Department of Neurology, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, 510000, China; Postdoctoral Research Station of Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, 510000, China.
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Xu YM, Wang Q, Xiao YL, Yang J, Zheng JY, Bai T, Zhou Q, Sun Q, Feng AN, Meng FQ. [Clinicopathological analysis of pulmonary alveolar proteinosis]. Zhonghua Bing Li Xue Za Zhi 2023; 52:160-162. [PMID: 36748137 DOI: 10.3760/cma.j.cn112151-20220527-00461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Y M Xu
- Department of Pathology, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Q Wang
- Department of Pathology, Anhui Provincial Hospital, the First Affiliated Hospital of University of Science and Technology of China, Hefei 230001, China
| | - Y L Xiao
- Department of Respiratory Medicine, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - J Yang
- Department of Pathology, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - J Y Zheng
- Department of Pathology, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - T Bai
- Department of Pathology, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Q Zhou
- Department of Pathology, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Q Sun
- Department of Pathology, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - A N Feng
- Department of Pathology, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - F Q Meng
- Department of Pathology, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
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Chen SM, Su J, Jin XH, Zheng JY, Yan MQ, Yu JJ, Wu WY, Shi ML, Chen SH, Lyu GY. [Effect of superfine powder and aqueous extract of Polygonati Rhizoma on rats with natural perimenopausal syndrome]. Zhongguo Zhong Yao Za Zhi 2023; 48:1054-1065. [PMID: 36872276 DOI: 10.19540/j.cnki.cjcmm.20221102.704] [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: 03/07/2023]
Abstract
This study aims to examine the effect of superfine powder and aqueous extract of Polygonati Rhizomaon on natural perimenopausal syndrome in rats and explore the underlying mechanism. To be specific, a total of 60 female SD rats(14-15 months old) with estrous cycle disorder were screened by the vaginal smear and randomized into model control group, β-estradiol 3-benzoate group(0.1 mg·kg~(-1)), superfine powder of Polygonati Rhizoma group(0.25, 0.5 g·kg~(-1)) and aqueous extract of Polygonati Rhizoma group(0.25, 0.5 g·kg~(-1)), and another 10 female SD rats(14-15 months old) were selected as the youth control group. The administration lasted 6 weeks. Then the perimenopausal syndrome-related indexes such as body temperature, microcirculatory blood flow of face and ear, vertigo period, salivary secretion, grip force, and bone strength were determined and open field test was conducted. The immune system-related indexes such as the wet weight and index of thymus and spleen, percentage of T lymphocytes and subgroups in peripheral blood, and hematological indexes were measured. In addition, the ovary-related indexes such as estrous cycle, the wet weight and index of uterus and ovary, ovarian tissue morphology, and cell apoptosis were determined. Moreover, hypothalamus-pituitary-ovary axis(HPO)-related indexes such as serum sex hormone levels, cytochrome P450 family 11 subfamily A member 1(CYP11A1), cytochrome P450 family 19 subfamily A member 1(CYP19A1), and cytochrome P450 family 17 subfamily A member 1(P450 17A1) in ovarian tissue were measured. The results showed that the superfine powder and aqueous extract of Polygonati Rhizoma significantly decreased body temperature(anal, facial and dorsal temperature), microcirculatory blood flow in the ear, and vertigo period, increased salivary secretion, grip force, bone strength, total distance and total speed in the open field test, wet weight and index of thymus and spleen, lymphocyte ratio, CD3~+ level, and CD4~+/CD8~+ ratio, reduced neutrophil number and ratio, estrous cycle disorder ratio, and number of ovarian apoptotic cells, raised wet weight and index of uterus, wet weight of ovary, levels of inhibin B(INHB), estradiol(E_2), anti-müllerian hormone(AMH), and ovarian CYP11A1 and CYP19A1, decreased follicle-stimulating hormone(FSH) and luteinizing hormone(LH) content, and improved ovarian tissue morphology. It is suggested that the superfine powder and aqueous extract of Polygonati Rhizoma can improve the symptoms associated with natural perimenopausal syndrome in rats and enhance ovarian function and immune function. The mechanism is that they regulate HPO axis function by increasing estrogen synthesis.
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Affiliation(s)
- Si-Min Chen
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University Hangzhou 310053, China
| | - Jie Su
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University Hangzhou 310053, China
| | - Xiao-Hu Jin
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University Hangzhou 310053, China
| | - Jia-Yi Zheng
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University Hangzhou 310053, China
| | - Mei-Qiu Yan
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University Hangzhou 310053, China
| | - Jing-Jing Yu
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University Hangzhou 310053, China
| | - Wen-Yan Wu
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University Hangzhou 310053, China
| | - Meng-Lin Shi
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University Hangzhou 310053, China
| | - Su-Hong Chen
- Zhejiang University of Technology Hangzhou 310014, China
| | - Gui-Yuan Lyu
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University Hangzhou 310053, China
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Meng LC, Zheng JY, Qiu YH, Zheng L, Zheng JY, Liu YQ, Miao XL, Lu XY. Salvianolic acid B ameliorates non-alcoholic fatty liver disease by inhibiting hepatic lipid accumulation and NLRP3 inflammasome in ob/ob mice. Int Immunopharmacol 2022; 111:109099. [PMID: 35932615 DOI: 10.1016/j.intimp.2022.109099] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [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: 05/21/2022] [Revised: 07/19/2022] [Accepted: 07/25/2022] [Indexed: 12/12/2022]
Abstract
Non-alcoholic fatty liver disease (NAFLD) has high occurrence in the global world, which poses serious threats to human health. Salvianolic acid B (SalB), an extract of the root of Salvia miltiorrhiza, has the protective effect on metabolic homeostasis. However, the mechanism is still unknown. In this study, we used ob/ob mice, a model of NAFLD, to explore the hepatoprotective effects of SalB. The results showed that SalB significantly reduced the body weights and liver weights, and ameliorated plasma alanine aminotransferase (ALT), aspartate aminotransferase (AST), triglyceride (TG), hepatic free fatty acid (FFA), total cholesterol (TC) levels, and hepatic TG and TC levels in ob/ob mice. SalB reduced the number of lipid droplets and inhibited hepatic lipogenesis by regulating peroxisome proliferator-activated receptor gamma (PPARγ), fatty acid synthase (FASN), stearoyl-Co A desaturase 1 (SCD1), and cluster of differentiation 36 (CD36). Compared to ob/ob mice, the lower expressions of the pro-inflammatory cytokines, such as interleukin-1β (IL-1β), interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α), and F4/80, were observed after SalB treatment. Importantly, SalB treatment inhibited the activation of NLRP3 inflammasome and reduced the severity of liver inflammation. Our findings suggested that SalB improved NAFLD pathology in ob/ob mice by reducing hepatic lipid accumulation and NLRP3 inflammasome activation, which might be the potential hepatoprotective mechanism of SalB.
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Affiliation(s)
- Ling-Cui Meng
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jia-Yi Zheng
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yu-Hui Qiu
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Li Zheng
- The Department of Clinical Laboratory, The Fifth People's Hospital of Zhuhai, Zhuhai, China
| | | | | | | | - Xin-Yi Lu
- The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China; Biological Resource Centre, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China; Guangdong-Hong Kong-Macau Joint Lab on Chinese Medicine and Immune Disease Research.
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10
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Jiang JJ, Zhang GF, Zheng JY, Sun JH, Ding SB. Targeting Mitochondrial ROS-Mediated Ferroptosis by Quercetin Alleviates High-Fat Diet-Induced Hepatic Lipotoxicity. Front Pharmacol 2022; 13:876550. [PMID: 35496312 PMCID: PMC9039018 DOI: 10.3389/fphar.2022.876550] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 03/24/2022] [Indexed: 12/31/2022] Open
Abstract
Background: The protective effect of quercetin on nonalcoholic fatty liver disease (NAFLD) has been reported, but its mechanism remains poorly understood. Recently, quercetin was reported to be capable of inhibiting ferroptosis, which is a recognized type of regulated cell death. Moreover, hepatic ferroptosis plays an important role in the progression of NAFLD, but experimental evidence is limited. Hence, our study aimed to investigate the effect of quercetin on hepatic ferroptosis in high-fat diet (HFD)-induced NAFLD and further elucidate the underlying molecular mechanism. Methods: C57BL/6J mice were fed either a normal diet (ND), an HFD, or an HFD supplemented with quercetin for 12 weeks. Hepatic lipid peroxidation, steatosis, ferroptosis and iron overload were examined. In vitro, steatotic L-02 cells was used to study the potential mechanism. Results: We found that the HFD caused lipid peroxidation, lipid accumulation and ferroptosis in the liver, which were rescued by quercetin supplementation. Consistent with the in vivo results, quercetin alleviated lipid droplet accumulation and reduced the levels of lipid reactive oxygen species (ROS) and ferroptosis in steatotic L-02 cells. Using a mitochondrial ROS (MtROS) scavenger (Mito-TEMPO) and ferroptosis specific inhibitor (Fer-1), we found that quercetin remarkably alleviated lipid droplet accumulation and lipid peroxidation by reducing MtROS-mediated ferroptosis in steatotic L-02 cells. Conclusion: Our data showed that HFD consumption induced lipid accumulation and triggered ferroptosis in liver, ultimately leading to hepatic lipotoxicity, which can be alleviated by quercetin. Findings from this study provide new insight into the mechanism by which quercetin can be used for the prevention and treatment of NAFLD.
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Affiliation(s)
- Jin-Jin Jiang
- Jiangsu Vocational College of Medicine, Yancheng, China
| | - Guo-Fu Zhang
- Department of Public Health, Xinxiang Medical University, Xinxiang, China
| | - Jia-Yi Zheng
- Jiangsu Vocational College of Medicine, Yancheng, China
| | - Ji-Hu Sun
- Jiangsu Vocational College of Medicine, Yancheng, China
- *Correspondence: Shi-Bin Ding, ; Ji-Hu Sun,
| | - Shi-Bin Ding
- Jiangsu Vocational College of Medicine, Yancheng, China
- *Correspondence: Shi-Bin Ding, ; Ji-Hu Sun,
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11
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Wang JY, Yin YH, Zheng JY, Liu LF, Yao ZP, Xin GZ. Least absolute shrinkage and selection operator-based prediction of collision cross section values for ion mobility mass spectrometric analysis of lipids. Analyst 2022; 147:1236-1244. [DOI: 10.1039/d1an02161c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A least absolute shrinkage and selection operator (LASSO)-based prediction method was developed for the prediction of lipids’ CCS values.
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Affiliation(s)
- Jian-Ying Wang
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, China
- State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation) and Shenzhen Key Laboratory of Food Biological Safety Control, Shenzhen Research Institute of Hong Kong Polytechnic University, Shenzhen 518057, China
- State Key Laboratory of Chemical Biology and Drug Discovery, Food Safety and Technology Research Centre and Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, China
| | - Ying-Hao Yin
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, China
| | - Jia-Yi Zheng
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, China
| | - Li-Fang Liu
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, China
| | - Zhong-Ping Yao
- State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation) and Shenzhen Key Laboratory of Food Biological Safety Control, Shenzhen Research Institute of Hong Kong Polytechnic University, Shenzhen 518057, China
- State Key Laboratory of Chemical Biology and Drug Discovery, Food Safety and Technology Research Centre and Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, China
| | - Gui-Zhong Xin
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, China
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12
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Niu YH, Wang L, Wang Z, Yu SX, Zheng JY, Shi ZH. High-frequency monitoring of neonicotinoids dynamics in soil-water systems during hydrological processes. Environ Pollut 2022; 292:118219. [PMID: 34626917 DOI: 10.1016/j.envpol.2021.118219] [Citation(s) in RCA: 1] [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] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 09/03/2021] [Accepted: 09/21/2021] [Indexed: 06/13/2023]
Abstract
Neonicotinoids pollution poses a serious threat to aquatic ecosystems. However, there is currently little knowledge about how neonicotinoids are transferred from the agricultural environment to the aquatic environment. Here, we conducted in situ high-frequency monitoring of neonicotinoids in soil-water systems along the hydrological flow path during rainfall to explore the horizontal and vertical transport mechanisms of neonicotinoids. The collected samples included 240 surface runoff, 128 subsurface runoff, 60 eroded sediment, 120 soil and 144 soil solution, which were used to analyse neonicotinoids concentrations. Surface runoff, subsurface runoff and eroded sediment were the three main paths for the horizontal migration of neonicotinoids. In the CK (citrus orchards without grass cover) and grass-covered citrus orchards, there are 15.89% and 2.29% of the applied neonicotinoids were transported with surface runoff, respectively. While in the CK and grass-covered citrus orchards, there are only 1.23% and 0.19% of the applied neonicotinoids were transported with eroded sediment and subsurface runoff. Although the amount of neonicotinoids lost along with eroded sediment was small, the concentration of neonicotinoids in eroded sediment was two orders of magnitude higher than the concentration of neonicotinoids in sediments of the surface water. Meanwhile, neonicotinoids migrated vertically in soil due to water infiltration. In the CK and grass-covered citrus orchards, there are 57.64% and 24.36% of the applied neonicotinoids were retained in soil and soil solution, respectively, and their concentration decreased as soil depth increased. Another noteworthy phenomenon is that more neonicotinoids migrated to deeper soil layers under grass cover compared with no grass cover because grass roots promoted the formation of cracks and vertical preferential flow. Our results are expected to improve the accuracy of neonicotinoids pollution prediction by considering migration paths, including surface and subsurface runoff and eroded sediment.
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Affiliation(s)
- Y H Niu
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, Huazhong Agricultural University, Wuhan, 430072, China
| | - L Wang
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, Huazhong Agricultural University, Wuhan, 430072, China.
| | - Z Wang
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, Huazhong Agricultural University, Wuhan, 430072, China
| | - S X Yu
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, Huazhong Agricultural University, Wuhan, 430072, China
| | - J Y Zheng
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, Huazhong Agricultural University, Wuhan, 430072, China
| | - Z H Shi
- State Environmental Protection Key Laboratory of Soil Health and Green Remediation, Huazhong Agricultural University, Wuhan, 430072, China; CAS Center for Excellence in Quaternary Science and Global Change, Xi'an, 710061, China
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13
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He CX, Li SS, Du KL, Liu SQ, Zhang B, Feng F, Zheng JY. [Mid-term efficacy of sacral nerve stimulation for the treatment of chronic constipation]. Zhonghua Wei Chang Wai Ke Za Zhi 2021; 24:1073-1078. [PMID: 34923790 DOI: 10.3760/cma.j.cn441530-20210719-00288] [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: 06/14/2023]
Abstract
Objective: To investigate the mid-term efficacy of sacral nerve stimulation (SNS) for chronic constipation. Methods: A descriptive case series study was conducted. Patients with chronic constipation were treated in Xijing Hospital of Digestive Disease from February 2013 to December 2018 were retrospectively enrolled. The types of constipation were confirmed based on colon slow transit test, anorectal manometry and defecography in Xi'an Mayinglong Coloproctological Hospital. This study has been registered in China clinical trial registry (Registration No.: ChiCTR-ROC-16008945). Case inclusion criteria: (1) constipation was diagnosed according to Rome III criteria; (2) traditional treatment, including education, diet adjustment, laxative, biofeedback treatment, failed for at least 1 year; (3) there were no constipation-related organic diseases. After excluding neurogenic diseases, including spinal cord injury and multiple sclerosis, 21 patients were included in this study. There were 10 males and 11 females, with an average age of 50.9 (14-76) years. After the relevant examination and evaluation of patients, they underwent percutaneous nerve evaluation (PNE). If patient experienced a good response to PNE after 2 or 3 weeks (≥50%), permanent SNS implantation was performed. The improvement of clinical symptoms and quality of life between the baseline, PNE, and latest follow-up time points were compared. Improvement of clinical symptoms, including autonomic stool frequency per week, autonomic stool days per week, defecation time, visual analogue scale (VAS, lower score indicates more serious symptoms) score and Cleveland clinic constipation score (CCCS, higher score indacates more serious symptoms) criteria. The change of quality of life was scored by SF-36 questionnaires (the higher score indicates better quality of life). Results: Of 21 patients, 18 (85.7%) experienced significant improvement in symptoms with PNE, and 2 patients discontinued treatment due to their dissatisfaction. Sixteen patients (76.2%) received permanent SNS implantation, two of whom underwent bilateral PNE implantation. These patients were followed-up for mean 56 (34-72) months. The treatment was continuously effective in 13 patients (61.9%), including 3 of ODS, 1 of STC and 9 of mixed constipation. Compared with baseline, the score of constipation patients receiving permanent SNS implantation at latest follow-up was shown. The median autonomic stool frequency per week increased from 1.0 (0-7) to 7.5 (0-10) (P<0.001), the median autonomic stool days per week increased from 1.0 (0-7) d to 4.5 (0-7) d (P<0.001), the median defecation time decreased from 19.0 (8-40) minutes to 4.0 (3-31) minutes (P<0.001), the median CCCS decreased from 20.0 (13-30) to 9.0 (6-30) (P<0.001), and the median VAS score increased from 9.0 (7-40) to 80.0 (15-90) (P<0.001). The values of the 8 parts of the SF-36 questionnaire increased (all P<0.05). Conclusion: SNS implantation is safe and has obvious effects on severe constipation with stable mid-term efficacy.
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Affiliation(s)
- C X He
- Department of Gastrointestinal Surgery, Xijing Hospital, Xi'an 710032, China He Chenxiang is now working at Department of General Surgery, Shanghai 10th People's Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - S S Li
- Department of Gastrointestinal Surgery, Xijing Hospital, Xi'an 710032, China
| | - K L Du
- Department of Gastrointestinal Surgery, Xijing Hospital, Xi'an 710032, China
| | - S Q Liu
- Department of Gastrointestinal Surgery, Xijing Hospital, Xi'an 710032, China
| | - B Zhang
- No.4 Department of Anorectal Surgery, the Mayinglong Coloproctological Hospital of Xi'an, Xi'an 710005, China
| | - F Feng
- Department of Gastrointestinal Surgery, Xijing Hospital, Xi'an 710032, China
| | - J Y Zheng
- Department of Gastrointestinal Surgery, Xijing Hospital, Xi'an 710032, China
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14
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Chen HY, Bao Y, Zou JJ, Cong XL, Zhang XX, Zheng JY, Chen XF, Shi YQ. Activated Th9 cells in diabetic coronary heart disease. J BIOL REG HOMEOS AG 2021; 35:1137-1144. [PMID: 34120675 DOI: 10.23812/20-703-l] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- H Y Chen
- Department of Endocrinology, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Y Bao
- Department of Endocrinology, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - J J Zou
- Department of Endocrinology, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - X L Cong
- Department of Cardiology, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - X X Zhang
- Department of Endocrinology, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - J Y Zheng
- Department of Endocrinology, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - X F Chen
- Department of Endocrinology, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Y Q Shi
- Department of Endocrinology, Changzheng Hospital, Naval Medical University, Shanghai, China
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15
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Yin YH, Zheng JY, Wang XN, Qian SY, Liu XY, Liu LF, Xin GZ. In silico production of relative correction factor for the quantitative analysis of multi-components by single marker method. Phytochem Anal 2021; 32:124-128. [PMID: 31359524 DOI: 10.1002/pca.2881] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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: 04/04/2019] [Revised: 06/01/2019] [Accepted: 07/02/2019] [Indexed: 06/10/2023]
Abstract
INTRODUCTION Traditional methods to derive experimentally-generated relative correction factors (RCFs) for the quantitative analysis of herbal multi-components by single marker (QAMS) method require reference standards and multiple validations with different instruments and columns, which hampers high throughput implementation. OBJECTIVES To effectively reduce the application amounts of raw material and provide higher and more stable accuracy, this study aimed to develop a method to computationally generate RCFs of herbal components. MATERIALS AND METHODS This strategy included the published data collection, calibration curves screening, computer algorithm-based RCFs generation and accuracy validation. RESULTS Using the in silico approach, we have successfully produced 133 RCFs for the multi-component quantitative analysis of 63 widely used herbs. CONCLUSION Compared with conventional RCFs, this in silico method would be a low cost and highly efficient way to produce practical RCFs for the QAMS method.
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Affiliation(s)
- Ying-Hao Yin
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Jia-Yi Zheng
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Xin-Nan Wang
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Sheng-Ying Qian
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Xu-Yi Liu
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Li-Fang Liu
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Gui-Zhong Xin
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
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16
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Lyu J, Ling SH, Banerjee S, Zheng JY, Lai KL, Yang D, Zheng YP, Bi X, Su S, Chamoli U. Ultrasound volume projection image quality selection by ranking from convolutional RankNet. Comput Med Imaging Graph 2021; 89:101847. [PMID: 33476927 DOI: 10.1016/j.compmedimag.2020.101847] [Citation(s) in RCA: 4] [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] [Received: 06/15/2020] [Revised: 11/15/2020] [Accepted: 12/11/2020] [Indexed: 01/16/2023]
Abstract
Periodic inspection and assessment are important for scoliosis patients. 3D ultrasound imaging has become an important means of scoliosis assessment as it is a real-time, cost-effective and radiation-free imaging technique. With the generation of a 3D ultrasound volume projection spine image using our Scolioscan system, a series of 2D coronal ultrasound images are produced at different depths with different qualities. Selecting a high quality image from these 2D images is the crucial task for further scoliosis measurement. However, adjacent images are similar and difficult to distinguish. To learn the nuances between these images, we propose selecting the best image automatically, based on their quality rankings. Here, the ranking algorithm we use is a pairwise learning-to-ranking network, RankNet. Then, to extract more efficient features of input images and to improve the discriminative ability of the model, we adopt the convolutional neural network as the backbone due to its high power of image exploration. Finally, by inputting the images in pairs into the proposed convolutional RankNet, we can select the best images from each case based on the output ranking orders. The experimental result shows that convolutional RankNet achieves better than 95.5% top-3 accuracy, and we prove that this performance is beyond the experience of a human expert.
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Affiliation(s)
- Juan Lyu
- College of Information and Communication Engineering, Harbin Engineering University, Harbin, China
| | - Sai Ho Ling
- School of Biomedical Engineering, University of Technology Sydney, Ultimo, NSW 2007, Australia.
| | - S Banerjee
- School of Biomedical Engineering, University of Technology Sydney, Ultimo, NSW 2007, Australia
| | - J Y Zheng
- Department of Computer Science, Imperial College London, UK
| | - K L Lai
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hum, Hong Kong
| | - D Yang
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hum, Hong Kong
| | - Y P Zheng
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hum, Hong Kong
| | - Xiaojun Bi
- College of Information and Communication Engineering, Harbin Engineering University, Harbin, China; College of Information Engineering, Minzu University of China, Beijing, China
| | - Steven Su
- School of Biomedical Engineering, University of Technology Sydney, Ultimo, NSW 2007, Australia
| | - Uphar Chamoli
- School of Biomedical Engineering, University of Technology Sydney, Ultimo, NSW 2007, Australia
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Zheng JY, Jin YY, Shi ZQ, Zhou JL, Liu LF, Xin GZ. Fluorous-paired derivatization approach towards highly sensitive and accurate determination of long chain unsaturated fatty acids by liquid chromatography-tandem mass spectrometry. Anal Chim Acta 2020; 1136:187-195. [PMID: 33081943 DOI: 10.1016/j.aca.2020.09.052] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 09/15/2020] [Accepted: 09/25/2020] [Indexed: 12/11/2022]
Abstract
Long chain unsaturated fatty acids (LCUFAs) are emerging as critical contributors to inflammation and its resolution. Sensitive and accurate measurement of LCUFAs in biological samples is thus of great value in disease diagnosis and prognosis. In this work, a fluorous-derivatization approach for UPLC-MS/MS quantification of LCUFAs was developed by employing a pair of fluorous reagents, namely 3-(perfluorooctyl)-propylamine (PFPA) and 2-(perfluorooctyl)-ethylamine (PFEA). With this method, the LCUFAs in biological samples were perfluoroalkylated with PFPA and specifically retained on a fluorous-phase LC column, which largely reduced matrix interferences-induced quantitation deviation. Moreover, PFEA-labeled LCUFAs standards were introduced as one-to-one internal standards to farthest ensure unbiased results. Application of the proposed method enabled a reliable determination of eight typical LCUFAs with high sensitivity (LLOQ ranged from 30 amol to 6.25 fmol) and low matrix interferences (almost less than 10%). Such a high sensitivity could facilitate the determination of small-volume and low-concentration bio-samples. Further metabolic characterization of these targeted LCUFAs was monitored in OVA-induce asthma mice, requiring only 5 μL serum sample. Our results showed that asthmatic attack led to significant disturbances not only in the concentrations but also in the ratio among these LCUFAs. In view of the favorable advantages in sensitivity and accuracy, the present fluorous-paired derivatization approach will be expected to serve as a new avenue for dissecting the physiological and clinical implications of LCUFAs, thereby shedding light on the management of diseases related to their disturbances.
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Affiliation(s)
- Jia-Yi Zheng
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, China
| | - Ying-Ying Jin
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, China
| | - Zi-Qi Shi
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028, Jiangsu, China
| | - Jian-Liang Zhou
- Holistic Integrative Pharmacy Institutes, School of Medicine, Hangzhou Normal University, Hangzhou, 311121, China
| | - Li-Fang Liu
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, China.
| | - Gui-Zhong Xin
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, China Pharmaceutical University, No. 24 Tongjia Lane, Nanjing, China.
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Shi H, Guo LH, Zhang YF, Fu HJ, Zheng JY, Wang HX, Zhao CK, Xu HX. Suspicious ultrasound and clinicopathological features of papillary thyroid carcinoma predict the status of TERT promoter. Endocrine 2020; 68:349-357. [PMID: 32026251 DOI: 10.1007/s12020-020-02214-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 01/18/2020] [Indexed: 12/18/2022]
Abstract
PURPOSE To investigate the value of ultrasound (US) and clinicopathological features of papillary thyroid cancer (PTC) in predicting Telomerase Reverse Transcriptase (TERT) promoter mutations. METHODS Preoperative US images of 351 surgically confirmed PTCs were evaluated in terms of PTCs size and US features. The basic clinicopathological features were also retrieved. Univariate and multivariate analyses were performed to identify the risk factors for TERT promoter mutations. A scoring system was developed based on the cumulative number of risk factors. The area under the receiver operating characteristic curve (AUC) and cut-off value were calculated to evaluate the diagnostic performance of the scoring system for predicting TERT promoter mutations. RESULTS TERT promoter mutations were found in 4.84% (17/351) of patients with PTCs. Patient age >50 years (OR: 6.244, P = 0.006), multifocality (OR: 21.071, P = 0.022), taller-than-wide shape (OR: 4.934, P = 0.029), microlobulated margin (OR: 4786, P = 0.032), and capsule contact or involvement (OR: 4.668, P = 0.030) were independent risk factors for TERT promoter mutations. TERT promoter mutations were relevant to more suspicious US and clinicopathological features than TERT promoter wild-type PTC (median, 4 vs. 1, P < 0.001). The cut-off value was 2.5 and the associated AUC was 0.908 (P < 0.001). CONCLUSIONS The probability of TERT promoter mutations increases along with the suspicious US features and clinicopathological characteristics, which may help to recognize patients who deserve a different approach, in terms of management and follow-up, in view of the worst outcome associated to this mutation.
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Affiliation(s)
- Hui Shi
- Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University Cancer Center, Tongji University School of Medicine, Shanghai, 200072, China
- Thyroid Institute, Tongji University School of Medicine, Shanghai, 200072, China
- Shanghai Center for Thyroid Diseases, Shanghai, 200072, China
| | - Le-Hang Guo
- Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University Cancer Center, Tongji University School of Medicine, Shanghai, 200072, China
- Thyroid Institute, Tongji University School of Medicine, Shanghai, 200072, China
- Shanghai Center for Thyroid Diseases, Shanghai, 200072, China
| | - Yi-Feng Zhang
- Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University Cancer Center, Tongji University School of Medicine, Shanghai, 200072, China
- Thyroid Institute, Tongji University School of Medicine, Shanghai, 200072, China
- Shanghai Center for Thyroid Diseases, Shanghai, 200072, China
| | - Hui-Jun Fu
- Thyroid Institute, Tongji University School of Medicine, Shanghai, 200072, China
- Shanghai Center for Thyroid Diseases, Shanghai, 200072, China
- Department of Pathology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Jia-Yi Zheng
- Thyroid Institute, Tongji University School of Medicine, Shanghai, 200072, China
- Shanghai Center for Thyroid Diseases, Shanghai, 200072, China
- Department of Pathology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Han-Xiang Wang
- Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University Cancer Center, Tongji University School of Medicine, Shanghai, 200072, China
- Thyroid Institute, Tongji University School of Medicine, Shanghai, 200072, China
- Shanghai Center for Thyroid Diseases, Shanghai, 200072, China
| | - Chong-Ke Zhao
- Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University Cancer Center, Tongji University School of Medicine, Shanghai, 200072, China.
- Thyroid Institute, Tongji University School of Medicine, Shanghai, 200072, China.
- Shanghai Center for Thyroid Diseases, Shanghai, 200072, China.
| | - Hui-Xiong Xu
- Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University Cancer Center, Tongji University School of Medicine, Shanghai, 200072, China.
- Thyroid Institute, Tongji University School of Medicine, Shanghai, 200072, China.
- Shanghai Center for Thyroid Diseases, Shanghai, 200072, China.
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Zhu WL, Zheng JY, Cai WW, Dai Z, Li BY, Xu TT, Liu HF, Liu XQ, Wei SF, Luo Y, Wang H, Pan HF, Wang Q, Zhang SJ. Correction for: Ligustilide improves aging-induced memory deficit by regulating mitochondrial related inflammation in SAMP8 mice. Aging (Albany NY) 2020; 12:5587. [PMID: 32224506 PMCID: PMC7138572 DOI: 10.18632/aging.102998] [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] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 03/25/2020] [Indexed: 11/25/2022]
Affiliation(s)
- Wen-Li Zhu
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
- Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jia-Yi Zheng
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
- Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wei-Wu Cai
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
- Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Zhao Dai
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
- Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ben-Yue Li
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
- Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ting-Ting Xu
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
- Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hao-Fei Liu
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
- Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiao-Qi Liu
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
- Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Su-Fen Wei
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
- Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yi Luo
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
- Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hong Wang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
- Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hua-Feng Pan
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
- Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Qi Wang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
- Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Shi-Jie Zhang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
- Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
- Department of Neurology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
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20
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Guo LX, Wang HY, Liu XD, Zheng JY, Tang Q, Wang XN, Liu JQ, Yin HQ, Miao B, Liang YL, Liu LF, Xin GZ. Saponins from Clematis mandshurica Rupr. regulates gut microbiota and its metabolites during alleviation of collagen-induced arthritis in rats. Pharmacol Res 2019; 149:104459. [DOI: 10.1016/j.phrs.2019.104459] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 08/15/2019] [Accepted: 09/17/2019] [Indexed: 12/27/2022]
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21
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Zheng JY, Jiang X, Zhou JL, Shi ZQ, Liu LF, Xin GZ. A readily 16O-/18O-isotopically-paired chiral derivatization approach for the quantification of 2-HG metabolic panel by liquid chromatography-Tandem mass spectrometry. Anal Chim Acta 2019; 1077:174-182. [DOI: 10.1016/j.aca.2019.05.056] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 05/20/2019] [Accepted: 05/23/2019] [Indexed: 02/07/2023]
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22
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Zhao CK, Zheng JY, Sun LP, Xu RY, Wei Q, Xu HX. BRAF V600E mutation analysis in fine-needle aspiration cytology specimens for diagnosis of thyroid nodules: The influence of false-positive and false-negative results. Cancer Med 2019; 8:5577-5589. [PMID: 31397092 PMCID: PMC6745841 DOI: 10.1002/cam4.2478] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [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: 06/02/2019] [Revised: 07/19/2019] [Accepted: 07/26/2019] [Indexed: 01/17/2023] Open
Abstract
Background The accurate evaluation of BRAFV600E mutation in preoperative fine‐needle aspiration cytology (FNAC) specimens is important for making management decisions in thyroid nodules (TNs). The aim of this study was to assess the false‐positive and false‐negative BRAFV600E mutations in thyroid FNAC specimens and their influence on diagnosis of TN. Methods This prospective study enrolled 292 nodules in 269 patients who underwent BRAFV600E mutation analysis using amplification refractory mutation system‐quantitative real‐time polymerase chain reaction (ARMS‐qPCR) both in FNAC specimens and formalin‐fixed, paraffin‐embedded (FFPE) tissue samples after surgery. The false‐positive and false‐negative mutations for BRAFV600E analysis using ARMS‐qPCR in FNAC specimens were recorded, with reference to the results of BRAFV600E mutation analysis using ARMS‐qPCR in FFPE tissue sample. Diagnostic performances of FNAC, BRAFV600E mutation analysis in FNAC specimens, BRAFV600E mutation analysis in FFPE tissue sample, and the combination of FNAC and BRAFV600E mutation analysis for predicting thyroid malignancy were assessed. Results The false‐positive and false‐negative mutations for BRAFV600E analysis using ARMS‐qPCR in FNAC specimens were 10.1% (19/189) and 7.1% (7/98), respectively. FNAC combined with preoperative BRAFV600E mutation analysis significantly increased the diagnostic sensitivity from 75.7% to 92.3%, and accuracy from 78.7% to 90.6% in comparison with FNAC alone (both P < .001). No significant differences were found between the combination of FNAC and BRAFV600E mutation analysis in FNAC specimens and the combination of FNAC and BRAFV600E mutation analysis in FFPE tissue sample (sensitivity: 92.3% vs 91.9%; accuracy: 90.6% vs 91.3%; both P > .05). Conclusions FNAC combined with preoperative BRAFV600E mutation analysis can significantly increase the diagnostic performance in comparison with FNAC alone. False‐positive and false‐negative BRAFV600E mutation results are found in preoperative FNAC specimens, whereas it does not affect the overall auxiliary diagnosis of TNs.
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Affiliation(s)
- Chong-Ke Zhao
- Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University School of Medicine, Shanghai, China.,Thyroid Institute, Tongji University School of Medicine, Shanghai, China.,Shanghai Center for Thyroid Diseases, Shanghai, China
| | - Jia-Yi Zheng
- Thyroid Institute, Tongji University School of Medicine, Shanghai, China.,Shanghai Center for Thyroid Diseases, Shanghai, China.,Department of Pathology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Li-Ping Sun
- Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University School of Medicine, Shanghai, China.,Thyroid Institute, Tongji University School of Medicine, Shanghai, China.,Shanghai Center for Thyroid Diseases, Shanghai, China
| | - Rong-Ying Xu
- Thyroid Institute, Tongji University School of Medicine, Shanghai, China.,Shanghai Center for Thyroid Diseases, Shanghai, China.,Department of Pathology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Qing Wei
- Thyroid Institute, Tongji University School of Medicine, Shanghai, China.,Shanghai Center for Thyroid Diseases, Shanghai, China.,Department of Pathology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Hui-Xiong Xu
- Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University School of Medicine, Shanghai, China.,Thyroid Institute, Tongji University School of Medicine, Shanghai, China.,Shanghai Center for Thyroid Diseases, Shanghai, China
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23
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Li Y, Liu Y, Wang C, Xia WR, Zheng JY, Yang J, Liu B, Liu JQ, Liu LF. Succinate induces synovial angiogenesis in rheumatoid arthritis through metabolic remodeling and HIF-1α/VEGF axis. Free Radic Biol Med 2018; 126:1-14. [PMID: 30030103 DOI: 10.1016/j.freeradbiomed.2018.07.009] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [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: 02/20/2018] [Revised: 07/02/2018] [Accepted: 07/16/2018] [Indexed: 01/15/2023]
Abstract
BACKGROUND AND PURPOSE In response to hypoxic succinate accumulates in arthritis synovium, however, the implication is little known. This study aims to investigate whether succinate could act as a metabolic signal linking metabolic alternation with angiogenesis in arthritis synovium. EXPERIMENTAL APPROACH The interaction between elevated succinate and VEGF production was examined in endothelial cells. Succinate production, HIF-1α induction and angiogenesis in the hypoxic synovium of collagen-induced arthritis rats were also investigated. KEY RESULTS Intracellular succinate promoted VEGF production and induced angiogenic response dependent on HIF-1α induction in endothelial cells. Luciferase reporter assay showed that succinate increased VEGF expression through gene promoter activation dependent on HIF-1α induction. Intracellular succinate released into intercellular space, where extracellular succinate activated succinate receptor G-protein-coupled receptor 91 (GPR91) and induced VEGF production, further exacerbating angiogenesis. In addition, TGF-β1 treatment increased succinate production due to the reversal of succinate dehydrogenase (SDH) activation, and consistently, SDH inhibitor dimethyl malonate reduced angiogenesis in the arthritis synovium. CONCLUSION AND IMPLICATIONS More than an intermediate, succinate functioned as a signaling molecule to link metabolic reprograming with angiogenesis. Intracellular succinate induced angiogenesis through HIF-1α induction, while extracellular succinate acted on GPR91 activation, working together to disturb energy metabolism and exacerbate inflammation and angiogenesis in arthritis synovium. Our work suggested that suppression of SDH could prevent succinate accumulation and inhibit angiogenesis via blocking HIF-1α/VEGF axis. This finding not only provides a novel insight into angiogenesis, but also reveals a potential therapeutical strategy to attenuate revascularization in arthritis.
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MESH Headings
- Animals
- Arthritis, Experimental/genetics
- Arthritis, Experimental/metabolism
- Arthritis, Experimental/pathology
- Arthritis, Rheumatoid/genetics
- Arthritis, Rheumatoid/metabolism
- Arthritis, Rheumatoid/pathology
- Disease Models, Animal
- Humans
- Hypoxia-Inducible Factor 1, alpha Subunit/genetics
- Neovascularization, Pathologic/genetics
- Neovascularization, Pathologic/metabolism
- Neovascularization, Pathologic/pathology
- Rats
- Receptors, G-Protein-Coupled/genetics
- Signal Transduction/genetics
- Succinate Dehydrogenase/genetics
- Succinic Acid/metabolism
- Synovial Fluid/metabolism
- Transforming Growth Factor beta1/genetics
- Vascular Endothelial Growth Factor A/genetics
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Affiliation(s)
- Yi Li
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Yang Liu
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Chen Wang
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Wen-Rui Xia
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Jia-Yi Zheng
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Jie Yang
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Baolin Liu
- State Key Laboratory of Natural Medicines, Department of Complex Prescription of TCM, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China
| | - Jian-Qun Liu
- Key Laboratory of Modern Preparation of TCM, Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, China.
| | - Li-Fang Liu
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, China.
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24
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Wang ZY, Li Y, Chang WQ, Zheng JY, Li P, Liu LF, Xin GZ. Development and validation of a LC/MS-based method for the measurement of intracellular superoxide anion. Anal Chim Acta 2018; 999:107-113. [DOI: 10.1016/j.aca.2017.11.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2017] [Revised: 10/19/2017] [Accepted: 11/01/2017] [Indexed: 11/30/2022]
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25
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Lyu XJ, Li ZH, Li X, Zeng WL, Yang P, Lin QX, Zheng JY, Du XL, Gu YZ, Zhao YQ, Xie RS, Liu T, Lin HL, Ma WJ. [Commuting mode specific exposure to PM(2.5) in urban area of Guangzhou]. Zhonghua Liu Xing Bing Xue Za Zhi 2017; 38:309-313. [PMID: 28329930 DOI: 10.3760/cma.j.issn.0254-6450.2017.03.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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 find the differences in PM(2.5) exposure level in the context of four commuting modes (by walk, bicycle, bus and subway) in Guangzhou. Methods: The PM(2.5) exposure assessment was carried out from January to December 2015 in Guangzhou. PM(2.5) was measured by using SidePak individual dust meter (AM510, TSI Inc. USA) with time interval of 1 minute. Our measurement was taken on Monday, Wednesday, Friday and Sunday in the second week of each month and the samples were collected in the morning (07:00-09:00), afternoon (11:00-13:00) and evening (17:00-19:00). Results: A total of 284 air samples during walking, 281 air samples during bicycle riding, 278 air samples in bus, and 280 air samples in subway were collected. The median PM(2.5) concentrations exposed during walking, during bicycle riding, in bus and in subway were 38.4, 38.6, 23.3 and 24.1 μg/m(3), respectively, which were positive correlated with exposure concentration in fixed surveillance sites. The exposure level was lowest in summer, and highest in winter. The median of one-way exposure level to PM(2.5) from high to low were as follows: 21.0 μg for bicycle riding, 20.1 μg for walking, 5.1 μg for taking bus and 2.6 μg for taking subway. The season and time specific one-way exposure levels to PM(2.5) of four commuting modes were consistent. Conclusions: The exposure level to PM(2.5) was obviously higher during walking and bicycle riding than that in bus and subway. The exposure level to PM(2.5) during walking was higher than that during bicycle riding, in bus and in subway.
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Affiliation(s)
- X J Lyu
- Environmental Health Department, Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China; School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou 510515, China
| | - Z H Li
- Environmental Health Department, Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - X Li
- Environmental Health Department, Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - W L Zeng
- Environmental Health Department, Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - P Yang
- Environmental Health Department, Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Q X Lin
- Environmental Health Department, Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - J Y Zheng
- Environmental Health Department, Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - X L Du
- Environmental Health Department, Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Y Z Gu
- Environmental Health Department, Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Y Q Zhao
- Environmental Health Department, Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - R S Xie
- Environmental Health Department, Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - T Liu
- Environmental Health Department, Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - H L Lin
- Environmental Health Department, Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - W J Ma
- School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou 510515, China; Environmental Health Department, Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
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26
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Zhang Q, Liu BJ, Ren WW, He YP, Li XL, Zhao CK, Zhang YF, Yue WW, Zheng JY, Xu HX. Association between BRAF V600E Mutation and Ultrasound Features in Papillary Thyroid Carcinoma Patients with and without Hashimoto's Thyroiditis. Sci Rep 2017; 7:4899. [PMID: 28687736 PMCID: PMC5501791 DOI: 10.1038/s41598-017-05153-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Accepted: 05/24/2017] [Indexed: 01/20/2023] Open
Abstract
To assess the association between BRAF V600E mutation and ultrasound (US) features in papillary thyroid carcinoma (PTC) patients with and without Hashimoto’s thyroiditis (HT). We retrospectively reviewed the US features and status of BRAF V600E mutation in 438 consecutive patients with surgically confirmed PTCs. The association between BRAF mutation and US features were analyzed. In addition, we conducted subgroup analyses in terms of coexistent HT. The BRAF mutation was found in 86.5% of patients (379 of 438). Patient age (OR: 1.028, P = 0.010), age ≥ 50 y (OR: 1.904, P = 0.030), and microcalcification (OR: 2.262, P = 0.015) on US were significantly associated with BRAF mutation in PTC patients. Solid component (OR: 5.739, P = 0.019) on US was the significant predictor for BRAF mutation in patients with HT, while age (OR: 1.036, P = 0.017) and microcalcification (OR: 3.093, P = 0.017) were significantly associated with BRAF mutation in patients without HT. In conclusion, older age and microcalcification are risk factors for BRAF mutation in PTC patients, especially in those without HT. For those with HT, however, PTCs with BRAF mutation tend to be solid on ultrasound. These factors might be considered when making treatment planning or prognosis evaluation.
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Affiliation(s)
- Qin Zhang
- Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Nanjing Medical University, Shanghai, 200072, China.,Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University School of Medicine, Shanghai, 200072, China.,Thyroid Institute, Tongji University School of Medicine, Shanghai, 200072, China.,Shanghai Center for Thyroid Diseases, Shanghai, 200072, China.,Department of Medical Ultrasound, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu, 223300, China
| | - Bo-Ji Liu
- Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University School of Medicine, Shanghai, 200072, China.,Thyroid Institute, Tongji University School of Medicine, Shanghai, 200072, China.,Shanghai Center for Thyroid Diseases, Shanghai, 200072, China
| | - Wei-Wei Ren
- Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University School of Medicine, Shanghai, 200072, China.,Thyroid Institute, Tongji University School of Medicine, Shanghai, 200072, China.,Shanghai Center for Thyroid Diseases, Shanghai, 200072, China
| | - Ya-Ping He
- Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University School of Medicine, Shanghai, 200072, China.,Thyroid Institute, Tongji University School of Medicine, Shanghai, 200072, China.,Shanghai Center for Thyroid Diseases, Shanghai, 200072, China
| | - Xiao-Long Li
- Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University School of Medicine, Shanghai, 200072, China.,Thyroid Institute, Tongji University School of Medicine, Shanghai, 200072, China.,Shanghai Center for Thyroid Diseases, Shanghai, 200072, China
| | - Chong-Ke Zhao
- Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University School of Medicine, Shanghai, 200072, China.,Thyroid Institute, Tongji University School of Medicine, Shanghai, 200072, China.,Shanghai Center for Thyroid Diseases, Shanghai, 200072, China
| | - Yi-Feng Zhang
- Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University School of Medicine, Shanghai, 200072, China.,Thyroid Institute, Tongji University School of Medicine, Shanghai, 200072, China.,Shanghai Center for Thyroid Diseases, Shanghai, 200072, China
| | - Wen-Wen Yue
- Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University School of Medicine, Shanghai, 200072, China.,Thyroid Institute, Tongji University School of Medicine, Shanghai, 200072, China.,Shanghai Center for Thyroid Diseases, Shanghai, 200072, China
| | - Jia-Yi Zheng
- Department of Pathology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, 200072, China
| | - Hui-Xiong Xu
- Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Nanjing Medical University, Shanghai, 200072, China. .,Department of Medical Ultrasound, Shanghai Tenth People's Hospital, Ultrasound Research and Education Institute, Tongji University School of Medicine, Shanghai, 200072, China. .,Thyroid Institute, Tongji University School of Medicine, Shanghai, 200072, China. .,Shanghai Center for Thyroid Diseases, Shanghai, 200072, China.
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27
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Zheng JY. [Schofield and the first spread of western medicine in Shanxi]. Zhonghua Yi Shi Za Zhi 2017; 47:178-182. [PMID: 28810351 DOI: 10.3760/cma.j.issn.0255-7053.2017.03.010] [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: 06/07/2023]
Abstract
After the Second Opium War, the signing of the Tientsin Treaty and the Peking Treaty legitimized the missionary activities and authorized the missionary the rights to enter inland China for propagating their religious doctrines. In the late 1870s, the"The extraordinary famine of the Ding Wu year"and the subsequent epidemic provided the opportunity for missionaries to enter Shanxi. Dr. Schofield, sent by the China Inland Mission, arrived in Taiyuan in 1880, set up clinics and practised there. He died of typhus after treating a typhus patient in the summer of 1883. Schofield stayed and practised in Taiyuan for 2 years and 8 months. Later, the China Inland Mission and other missionaries donated to establish a Shanxi's first western medicine Hospital to commemorate Schofield. The medical activities of Dr. Schofield enlightened and promoted the Shanxi people's understanding of western medicine.
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Affiliation(s)
- J Y Zheng
- School of Marxism, Shanxi Medical University, Taiyuan, 030001, China
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28
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Li Y, Zheng JY, Liu JQ, Yang J, Liu Y, Wang C, Ma XN, Liu BL, Xin GZ, Liu LF. Succinate/NLRP3 Inflammasome Induces Synovial Fibroblast Activation: Therapeutical Effects of Clematichinenoside AR on Arthritis. Front Immunol 2016; 7:532. [PMID: 28003810 PMCID: PMC5141240 DOI: 10.3389/fimmu.2016.00532] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [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: 10/31/2016] [Accepted: 11/11/2016] [Indexed: 12/22/2022] Open
Abstract
Clematichinenoside AR (C-AR) is a triterpene saponin isolated from the root of Clematis manshurica Rupr., which is a herbal medicine used in traditional Chinese medicine for the treatment of arthritis. C-AR exerts anti-inflammatory and immunosuppressive properties, but little is known about its action in the suppression of fibroblast activation. Low oxygen tension and transforming growth factor-β (TGF-β1) induction in the synovium contribute to fibrosis in arthritis. This study was designed to investigate the effect of C-AR on synovial fibrosis from the aspects of hypoxic TGF-β1 and hypoxia-inducible transcription factor-1α (HIF-1α) induction. In the synovium of rheumatoid arthritis (RA) rats, hypoxic TGF-β1 induction increased succinate accumulation due to the reversal of succinate dehydrogenase (SDH) activation and induced NLRP3 inflammasome activation in a manner dependent on HIF-1α induction. In response to NLRP3 inflammasome activation, the released IL-1β further increased TGF-β1 induction, suggesting the forward cycle between inflammation and fibrosis in myofibroblast activation. In the synovium of RA rats, C-AR inhibited hypoxic TGF-β1 induction and suppressed succinate-associated NLRP3 inflammasome activation by inhibiting SDH activity, and thereby prevented myofibroblast activation by blocking the cross-talk between inflammation and fibrosis. Taken together, these results showed that succinate worked as a metabolic signaling, linking inflammation with fibrosis through NLRP3 inflammasome activation. These findings suggested that synovial succinate accumulation and HIF-1α induction might be therapeutical targets for the prevention of fibrosis in arthritis.
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Affiliation(s)
- Yi Li
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, China Pharmaceutical University , Nanjing , China
| | - Jia-Yi Zheng
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, China Pharmaceutical University , Nanjing , China
| | - Jian-Qun Liu
- Key Laboratory of Modern Preparation of TCM, Ministry of Education, Jiangxi University of Traditional Chinese Medicine , Nanchang , China
| | - Jie Yang
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, China Pharmaceutical University , Nanjing , China
| | - Yang Liu
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, China Pharmaceutical University , Nanjing , China
| | - Chen Wang
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, China Pharmaceutical University , Nanjing , China
| | - Xiao-Nan Ma
- Cellular and Molecular Biology Center of China Pharmaceutical University , Nanjing , China
| | - Bao-Lin Liu
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of TCM Evaluation and Translational Research, Department of Complex Prescription of TCM, China Pharmaceutical University , Nanjing , China
| | - Gui-Zhong Xin
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, China Pharmaceutical University , Nanjing , China
| | - Li-Fang Liu
- State Key Laboratory of Natural Medicines, Department of Chinese Medicines Analysis, China Pharmaceutical University , Nanjing , China
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Zheng JY, Oluoch G, Riaz Khan MK, Wang XX, Cai XY, Zhou ZL, Wang CY, Wang YH, Li XY, Liu F, Wang KB. Mapping QTLs for drought tolerance in an F2:3 population from an inter-specific cross between Gossypium tomentosum and Gossypium hirsutum. Genet Mol Res 2016; 15:gmr8477. [PMID: 27525919 DOI: 10.4238/gmr.15038477] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Cotton is one of the most important natural fiber crops in the world. Its growth and yield is greatly limited by drought. A quantitative trait locus (QTL) analysis was therefore conducted to investigate the genetic basis of drought tolerance in cotton (Gossypium spp) using 188 F2:3 lines developed from an inter-specific cross between a wild cotton species, G. tomentosum, and an upland cotton, G. hirsutum (CRI-12). A genetic map was constructed using 1295 simple sequence repeat markers, which amplified 1342 loci, distributed on 26 chromosomes, covering 3328.24 cM. A field experiment was conducted in two consecutive years (2014 and 2015) and 11 morphological and physiological traits were recorded under water-limited (W1)/well-watered (W2) regimes at three growth stages (bud, flowering, and full boll). The traits measured included chlorophyll content, plant height, leaf area, leaf number, leaf fresh weight, leaf dry weight, boll weight, number of bolls per plant, and the number of fruiting branches. Sixty-seven and 35 QTLs were found under the W1 and W2 conditions, respectively. Of these, the majority exhibited partial dominance or over-dominance genetic effects for increasing the trait values. Four consistent QTLs were found under the W1 treatment on chromosomes 5, 8, 9, and 16, whereas no consistent QTL was found in W2. Thirteen QTL clusters were also identified on nine chromosomes (2, 3, 5, 6, 9, 14, 15, 16, and 21). These results will help to elucidate the genetic basis of drought tolerance in cotton.
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Affiliation(s)
- J Y Zheng
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Science, Anyang, Henan, China.,Economic Crops Research Institute of Xinjiang Academy of Agricultural Science, Urumqi, Xinjiang, China
| | - G Oluoch
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Science, Anyang, Henan, China.,School of Biological and Physical Sciences, Jaramogi Oginga Odinga University of Science and Technology, Bondo, Kenya
| | - M K Riaz Khan
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Science, Anyang, Henan, China
| | - X X Wang
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Science, Anyang, Henan, China
| | - X Y Cai
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Science, Anyang, Henan, China
| | - Z L Zhou
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Science, Anyang, Henan, China
| | - C Y Wang
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Science, Anyang, Henan, China
| | - Y H Wang
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Science, Anyang, Henan, China
| | - X Y Li
- Economic Crops Research Institute of Xinjiang Academy of Agricultural Science, Urumqi, Xinjiang, China
| | - F Liu
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Science, Anyang, Henan, China
| | - K B Wang
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Science, Anyang, Henan, China
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Liu H, Wei L, Yang Y, Zhu LM, Zheng JY, Guo KF, Luo H, Zhao WP, Yang X, Aikebar M, Wang CS. [Transapical transcatheter aortic valve replacement for high risk elderly patients with predominant aortic incompetence]. Zhonghua Wai Ke Za Zhi 2016; 54:596-600. [PMID: 27502133 DOI: 10.3760/cma.j.issn.0529-5815.2016.08.008] [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
OBJECTIVES To introduce the application of the J-Valve™ system in elderly patients with predominant aortic incompetence without significant valve calcification, and to evaluate its feasibility. METHODS From April 2014 to July 2015, 33 cases of transapical implantation of J-Valve™ were performed in Department of Cardiac Surgery, Zhongshan Hospital, Fudan University. Sixteen of these patients were diagnosed as predominant aortic incompetence without significant valve calcification. There were 11 male and 5 female patients aged from 61 to 84 years, with a mean age of (76±6) years. All patients had symptoms of left ventricular dysfunction for at least 3 months. They were considered to be prohibitive for surgical valve replacement (logistic European system for cardiac operative risk evaluation: 22.2% to 44.4%, mean 27%±6% after evaluation by an interdisciplinary heart team. The J-Valve™ system was applied in transapical transcatheter aortic valve replacement for patients. The multi-slice CT was performed before discharge. Clinical evaluation including patients' history, symptoms and New York Heart Association classification and echocardiogram evaluation were performed before discharge, 1(st) month, 3(th) month and 12(th) month after the operation respectively. RESULTS Implantations were successful in all patients. One patient died from moderate paravalvular leak which led to multi-organ failure during the hospital stay. The mean time of postoperative hospital stay of the other 15 patients was (6.1±1.3) days. The 15 patients were followed by 174 to 410 days, with a median time of 188 days. Only two patients had trivial prosthetic valve incompetence, the other 13 patients had no prosthetic valve incompetence; two patients had no paravavular leak and the other 13 patients had paravavular leak of no more than moderate grade. There were no major complication or mortality during the follow-up. CONCLUSIONS The transapical implantation of the J-Valve™ system in high risk elderly patients with predominant aortic incompetence is feasible.The early postoperative outcome is satisfactory.
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Affiliation(s)
- H Liu
- Department of Cardiac Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
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Xin GZ, Hu B, Shi ZQ, Zheng JY, Wang L, Chang WQ, Li P, Yao Z, Liu LF. A direct ionization mass spectrometry-based approach for differentiation of medicinal Ephedra species. J Pharm Biomed Anal 2016; 117:492-8. [DOI: 10.1016/j.jpba.2015.09.032] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Revised: 09/26/2015] [Accepted: 09/28/2015] [Indexed: 12/13/2022]
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Fan DM, Zhao QC, Wang WZ, Shi H, Wang M, Chen DL, Zheng JY, Li MB, Wu GS. Successful ABO-incompatible living-related intestinal transplantation: a 2-year follow-up. Am J Transplant 2015; 15:1432-5. [PMID: 25808777 DOI: 10.1111/ajt.13121] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [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: 08/27/2014] [Revised: 11/20/2014] [Accepted: 11/23/2014] [Indexed: 01/25/2023]
Abstract
ABO-incompatible intestinal transplantation has rarely been performed due to poor patient outcomes. Herein we present a case of successful ABO-incompatible intestinal transplantation with a 2-year follow-up. A 16-year-old female with a history of extensive bowel resection received an ABO-incompatible living donor bowel graft from her father (blood type AB graft into a type A recipient). Posttransplant immunosuppression consisted of an initial anti-CD20, plasmapheresis/intravenous immunoglobulin before transplantation, followed by an anti-thymocyte globulin (ATG) induction and splenectomy, and maintenance with tacrolimus and prednisone. Her postoperative course was remarkable for a single episode of rejection on day 14 which responded promptly to treatment with methyprednisolone and ATG. Three months after transplantation, the patient developed an abdominal abscess requiring open surgical drainage. No viral infections were encountered. Posttransplant anti-B antibody titers and anti-B7 donor-specific antibody levels remained low. At a 2-year follow-up, the patient showed a progressive weight gain of 5.0 kg. This case illustrates that ABO-incompatible living-related bowel transplantation is immunologically feasible and is associated with good outcomes for the recipient. The management of blood type antibodies and the use of adequate immunosuppression in the early period of the procedure may be the keys to the success of future cases.
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Affiliation(s)
- D M Fan
- Xijing Hospital of Digestive Diseases, the Fourth Military Medical University, Xi'an, China
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Ling ZH, Guo H, Zheng JY, Louie PKK, Cheng HR, Jiang F, Cheung K, Wong LC, Feng XQ. Establishing a conceptual model for photochemical ozone pollution in subtropical Hong Kong. Atmos Environ (1994) 2013; 76:208-220. [PMID: 32362762 PMCID: PMC7185748 DOI: 10.1016/j.atmosenv.2012.09.051] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2012] [Revised: 09/13/2012] [Accepted: 09/17/2012] [Indexed: 05/24/2023]
Abstract
Photochemical ozone (O3) formation is related to its precursors and meteorological conditions. A conceptual model of O3 air pollution is developed based on the analysis of data obtained at Tung Chung (TC) in Hong Kong. By comparing meteorological parameters between O3 and non-O3 episode days, it was found that high temperatures, strong solar radiation, low wind speeds and relative humidity, northeasterly and/or northwesterly prevailing winds were favorable for the O3 formation, while tropical cyclones were most conducive to the occurrence of O3 episodes. Backward trajectories simulation and graphical illustration of O3 pollution suggested that super-regional (i.e. central and eastern China) and regional (i.e. Pearl River Delta, southern China) transport was another factor that contributed to high O3 levels in Hong Kong. The photochemical O3 formation, generally VOC-limited in Hong Kong, was controlled by a small number of volatile organic compounds (VOCs). Furthermore, the positive matrix factorization (PMF) simulation suggested that solvent usage and vehicular emissions are the major contributors to ambient VOCs in Hong Kong. Finally, this paper presents recommendations for further O3 research and implementation of O3 control strategies.
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Affiliation(s)
- Z H Ling
- Air Quality Studies, Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Hong Kong
| | - H Guo
- Air Quality Studies, Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Hong Kong
| | - J Y Zheng
- College of Environmental Science and Engineering, South China University of Technology, B4-514, University Town, Guangzhou, PR China
| | - P K K Louie
- Air Science Group, Environmental Protection Department, Hong Kong
| | - H R Cheng
- Environmental Engineering, School of Resource and Environmental Science, Wuhan University, Hubei, China
| | - F Jiang
- International Institute for Earth System Science, Nanjing University, Nanjing, China
| | - K Cheung
- Air Quality Studies, Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Hong Kong
| | - L C Wong
- Air Quality Studies, Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Hong Kong
| | - X Q Feng
- College of Environmental Science and Engineering, South China University of Technology, B4-514, University Town, Guangzhou, PR China
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Zheng JY, Lu ZQ, Yao YM. [Update on research of growth arrest-specific gene 6]. Sheng Li Ke Xue Jin Zhan 2012; 43:119-124. [PMID: 22774641] [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: 06/01/2023]
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Xuan SQ, Zheng JY, Wang H, Gao P, Zhou SB, Liu K, Zhu GP. Polymorphic microsatellite loci for the genetic analysis of Lycoris radiata (Amaryllidaceae) and cross-amplification in other congeneric species. Genet Mol Res 2011; 10:3141-5. [PMID: 22194169 DOI: 10.4238/2011.december.19.2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Lycoris radiata is a perennial herb that has been used in traditional Chinese medicine for a long time and has two main medicinal components in its bulb, lycorine and galanthamine. However, the original microsatellite loci have not been developed for any species of Lycoris. Total genomic DNA was extracted from fresh bulbs using a modified CTAB protocol. We isolated 10 microsatellite loci from 21 L. radiata individuals of a natural population from Yellow Mountain in Anhui Province, China. The number of alleles ranged from two to nine. The observed and expected heterozygosities ranged from 0.238 to 0.952 and from 0.455 to 0.784, respectively. One locus significantly deviated from Hardy-Weinberg equilibrium and no significant linkage disequilibrium was found between pairs of loci. Cross-species amplification of these microsatellite loci was characterized in additional five species (L. sprengeri, L. anhuiensis, L. albiflora, L. longituba, and L. chinensis) of Lycoris. The results suggest that these microsatellite markers would contribute to the population genetic studies of L. radiata and other related species.
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Affiliation(s)
- S Q Xuan
- Key Laboratory of Molecular Evolution and Biodiversity, Institute of Molecular Biology and Biotechnology, Anhui Normal University, Wuhu, PR China
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Zheng JY, Fulu MY, Lee DY, Barber TE, Adjei AL. Pulmonary peptide delivery: effect of taste-masking excipients on leuprolide suspension metered-dose inhalers. Pharm Dev Technol 2001; 6:521-30. [PMID: 11775953 DOI: 10.1081/pdt-120000290] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The purpose of this study was to evaluate the effect of taste-masking excipients on in vitro and in vivo performance of a leuprolide metered-dose inhaler (MDI) suspension formulation. Taste-masking excipients (aspartame and menthol) were added to a leuprolide suspension MDI formulation. The leuprolide MDI formulation with the taste-masking excipients was characterized in terms of milling time, particle size distribution, dose delivery and uniformity, and drug absorption in dogs. The data were compared with a formula that did not contain taste-masking excipients. It was found that the longer milling time for the leuprolide suspension with the taste-masking excipients was required to obtain a similar particle size distribution compared with the formula without taste-masking excipients using a fluid energy mill. Although measurable differences in mass median aerodynamic diameter (MMAD) and geometric standard deviation (GSD) were not observed between the two formulations, the percent of particles < or = 5 microns and the actuator retention for the formula with the taste-masking excipients were significantly different from the formula without taste-masking excipients using the Marple-Miller cascade impactor. Taste-masking excipients did not show a significant effect on valve delivery and through-can dose uniformity. However, the mean ex-actuator dose was 150.4 mg for the formula with the taste-masking excipients and 162.2 mg for the reference formula, respectively, indicating a significant difference. In tracheostomized dogs, both formulations showed comparable pharmacokinetic parameters including Cmax, Tmax, AUC0-12 and bioavailability (F%), indicating that the taste-masking excipients do not have an effect on lung absorption of leuprolide acetate. Therefore, inclusion of taste-masking excipients in the leuprolide MDI suspension formulation showed a significant impact on drug micronization, exactuator dose, and particle deposition pattern. Mechanistically, the unfavorable performance of leuprolide MDI in the presence of taste-masking excipients could be due to modification of the properties of the suspension itself and alteration of propellant evaporation following actuation.
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Affiliation(s)
- J Y Zheng
- Pharmaceutical Products Division, Formulation Development Center, Abbott Laboratories, 1401 Sheridan Road, North Chicago, IL 60064-6246, USA.
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Chen J, Zheng JY, Judy Y, Hsiao WL, Chen JT, Chen RY. [Cloning of cancer-related genes of Rat6 fibroblasts by using an improved differential display method]. Shi Yan Sheng Wu Xue Bao 2000; 33:199-205. [PMID: 12549037] [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: 02/28/2023]
Abstract
The p53 gene is the most frequently mutated gene identified so far in human cancers. When a mutant p53(135)-val gene was allowed to be over-expressed in Rat6(R6) cells, a high incidence of spontaneous transformation was observed in long-term culture of this cell line(R6 # 13-8). To identify genes involved in cell transformation, parental p53 over-expressing cell, R6 # 13-8, and its spontaneous transformant T2, were analyzed by an improved mRNA differential display technique, which was reproducible, simpler, and was able to clone cDNA longer than 500 bp, and was with less false positives. When 33 10-mer or 12-mer single primers with arbitrary but defined sequence were used for PCR, over 90 discrete cDNAs were obtained from R6 # 13-8 and T2 cells. Three differentially expressed cDNAs were identified, one of them is highly expressed in T2 cells, while the other two, 0.8 kb and 0.9 kb long, are highly expressed in R6 # 13-8 cells. The latter were cloned and confirmed by Northern hybridization. Both cloned fragment were not homologous with any published sequence. Our results suggest that the activation and inactivation of genes are involved in the process of the spontaneous transformation from R6 # 13-8 to T2.
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Affiliation(s)
- J Chen
- Institute for Molecular Biology, Nankai University, Tianjin 300071
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Donnelly LF, Frush DP, Zheng JY, Bisset GS. Differentiating normal from abnormal inferior thoracic paravertebral soft tissues on chest radiography in children. AJR Am J Roentgenol 2000; 175:477-83. [PMID: 10915698 DOI: 10.2214/ajr.175.2.1750477] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
OBJECTIVE The purposes of this investigation were to define the normal appearances, define factors that have the potential to influence appearance, and establish defined criteria to differentiate normal from abnormal appearances of posteroinferior paravertebral soft tissues on chest radiography in children. SUBJECTS AND METHODS Paravertebral soft tissues were evaluated on frontal chest radiographs in 23 children with documented abnormalities and 275 children without abnormalities in the region. The frequency of visualization, course, width, and factors (patient positioning, age, and sex) potentially influencing the appearance of paravertebral soft tissues were determined. Inferolateral course and width greater than that of the adjacent pedicle were evaluated as criteria for abnormality. RESULTS Only 28% of the children without abnormalities had paravertebral soft tissues visualized, and the frequency of visualization directly increased with age (p = 0.001). For identification of abnormal cases on the left side, width greater than the adjacent pedicle had a sensitivity of 100% and a specificity of 98%, and inferolateral course had a sensitivity of 86% and a specificity of 95%. Visualization on the right side (n = 5) was always abnormal. Six normal cases had a width greater than that of the adjacent pedicle on the left side on initial radiographs obtained with supine positioning and met normal criteria on repeated radiographs with upright positioning. CONCLUSION Width greater than the adjacent pedicle is the best radiographic criterion for differentiation of abnormal from normal left-sided paravertebral soft tissues, particularly on radiographs obtained with upright positioning. Identifiable right-sided paravertebral soft tissue is always abnormal. These criteria are useful aids in determining the need for additional imaging, such as CT.
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Affiliation(s)
- L F Donnelly
- Division of Pediatric Radiology, Department of Radiology, Duke University Medical Center, Durham, NC 27710, USA
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Yam JW, Zheng JY, Hsiao WL. Identification and characterization of genes whose expressions are altered in rat 6 fibroblasts transformed by mutant p53(val135). Biochem Biophys Res Commun 1999; 266:472-80. [PMID: 10600527 DOI: 10.1006/bbrc.1999.1852] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [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: 01/10/2023]
Abstract
The wild-type tumor suppressor gene p53 is known as a transcription factor in activating or suppressing target genes that encode proteins in regulating genome stability, DNA damage, cell arrest, and apoptosis. However, the role of mutant p53 in the process of cell transformation is still unclear. Our recent work indicated that overexpression of mutant p53(val135) induced high incidence of spontaneous transformation in prolonged cultures of Rat 6 fibroblasts. In order to identify genes related to neoplastic transformation induced by the mutant p53, the p53(val135)-overexpressor R6#13-8 and its derived spontaneously transformed cell line T2 were analyzed by mRNA differential display. In a systematic screening with 80 primer sets of RT-PCR reactions, three genes were found to be differentially expressed between R6#13-8 and T2 cells. Two genes, identified as homologues of the growth factor inducible immediate-early gene Cyr61 and the human nonmuscle myosin heavy chain-B, were down-regulated in T2 cells. Interestingly, both genes were also suppressed in Rat 6 cells transformed by c-H-ras and v-myc, but not by v-src genes. The third gene is a homologue of the frizzled related protein, a gene family that acts, in some cases, as an antagonist to the Wnt signaling pathway. It is intriguing that the rat homologue of the frizzled related protein was only expressed in p53(val135)-overexpressing cells, but not in the parental Rat 6 cells. However, the same gene was also highly expressed in ras-transformed Rat 6 cells, and moderately expressed in v-src-transformed Rat 6 cells. This is the first study in which the association of mutant p53 to these three genes is revealed. Our current report may provide new clues to the role of mutant p53 in the process of cell transformation.
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Affiliation(s)
- J W Yam
- Department of Biology and Department of Biochemistry, The Hong Kong University of Science and Technology, Kowloon, Hong Kong, People's Republic of China
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Frush DP, Spencer EB, Donnelly LF, Zheng JY, DeLong DM, Bisset GS. Optimizing contrast-enhanced abdominal CT in infants and children using bolus tracking. AJR Am J Roentgenol 1999; 172:1007-13. [PMID: 10587137 DOI: 10.2214/ajr.172.4.10587137] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
OBJECTIVE Manual administration of IV contrast material results in unpredictable injection rates. Our purpose was to determine the effect of bolus tracking on overall abdominal helical CT scan quality, particularly on hepatic enhancement, in children with manually administered contrast media. MATERIALS AND METHODS We compared 33 abdominal helical CT scans of 29 children in whom bolus tracking was used with 22 CT scans of a control group of 21 children in whom bolus tracking was not used. All contrast material was administered by manual injection. Qualitative assessment was made of organ and vessel enhancement and overall scan appearance. Quantitative assessment using region-of-interest cursors was performed at three anatomic levels, and the results for the two groups of children were compared. RESULTS Qualitative comparison of enhancement parameters between the bolus tracking group (number given first) and the control group (number given second) yielded the following: splenic artifact in 9% versus 23% (p = .24); inferior vena cava flow artifact in 3% versus 27% (p = .01); scanning during the nephrographic phase in 89% versus 59% (p = .02); and good quality grade in 79% versus 64% (p = .23). Significantly greater hepatic enhancement (as measured in mean Hounsfield units) was achieved in the bolus tracking group than in the control group at the superior (48.5 versus 28.6; p < .001), middle (47.9 versus 32.3; p < .001), and inferior (48.2 versus 36.5; p = .01) levels. Hepatic enhancement increased significantly from the superior to the inferior level in the control group (p < .02), whereas enhancement was homogeneous in the bolus tracking group (p > .50). CONCLUSION Bolus tracking provides improved contrast enhancement, including significantly greater hepatic enhancement, during abdominal helical CT in children in whom the rate of injection of contrast material is unpredictable.
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Affiliation(s)
- D P Frush
- Department of Radiology, Duke University Medical Center, Durham, NC 27710, USA
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Zheng JY. [Molecular cloning of two Rab family proteins, S2 and S10]. Hokkaido Igaku Zasshi 1998; 73:475-86. [PMID: 9846277] [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: 04/11/2023]
Abstract
Rab family proteins play important roles in vesicular transport. In mammals, more than 30 members of this family have been reported to date. I report here the cDNA cloning and analysis of the genomic organization of two Rab family proteins, S2 and S10. Mouse S2 cDNA was isolated from a spleen cDNA library. S2 encoded a novel Rab family protein with highest homology to human S10. Mouse S10 cDNA was isolated from a brain cDNA library. Mouse S10 was 92% homologous at the nucleotide level and 98% identical at the amino acid level to human S10. The amino acid sequences of mouse S2 and S10 were 55% identical, and these two proteins shared unique amino acid sequences at the effector domain. Mouse S2 and S10 genes were isolated from a genomic library. The genomic organization of these two genes was essentially identical, having two exons and a single intron. This structure was unique among reported rab family genes. These findings suggest that S2 and S10 would make a subgroup in Rab family. The phylogenetic tree made by a computer program was consistent to this idea. Northern blotting of mouse tissue RNAs indicated that S2 gene was expressed ubiquitously, whereas S10 gene was almost exclusively expressed in the brain. These results suggest that S2 and S10 play similar roles in vesicular transport, whereas S10 has more specialized function in the nervous system.
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Affiliation(s)
- J Y Zheng
- Section of Bacterial Infection, Hokkaido University, Sapporo, Japan
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Zheng JY, Koda T, Fujiwara T, Kishi M, Ikehara Y, Kakinuma M. A novel Rab GTPase, Rab33B, is ubiquitously expressed and localized to the medial Golgi cisternae. J Cell Sci 1998; 111 ( Pt 8):1061-9. [PMID: 9512502 DOI: 10.1242/jcs.111.8.1061] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Small GTP-binding proteins of the Rab family play important roles at defined steps of vesicular transport in protein secretion and the endocytosis pathway. In mammals, more than 30 proteins belonging to the Rab family have been reported to date. We report here the molecular cloning and characterization of a novel Rab protein, Rab33B. The amino acid sequence of Rab33B shows 55.3% identity to the Rab33A protein (previously called S10), and these two proteins share unique amino acid sequences at the effector domain. The genomic organization of rab33B was the same as rab33A: it consists of two exons. Thus, these two proteins make a subclass within the Rab family. Northern blot analysis showed that rab33B is expressed ubiquitously in mouse tissues, in contrast to rab33A whose expression is restricted to the brain and the immune system. A 26 kDa protein was detected by western blotting using a Rab33B-specific monoclonal antibody. Using immunofluorescence studies, Rab33B was shown to co-localize with (alpha)-mannosidase II, a Golgi-specific marker. Immunoelectron microscopy analysis further defined the localization of Rab33B to the medial Golgi cisternae. These results suggest Rab33B plays a role in intra-Golgi transport.
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Affiliation(s)
- J Y Zheng
- Section of Bacterial Infection, Institute of Immunological Science, Hokkaido University, Sapporo, Japan
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Abstract
We previously reported the cloning of a human S10 cDNA which encodes a small GTP-binding protein belonging to the Rab subfamily. Here we describe a mouse S10 cDNA and its genomic structure. Mouse S10 is 92.3% homologous at the nucleotide level and 98.3% identical at the amino acid level compared to human S10. The mouse S10 gene is comprised of two exons and a single intron. Northern blotting of tissue RNAs indicates that the S10 gene is predominantly expressed in brain.
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Affiliation(s)
- J Y Zheng
- Institute of Immunological Science, Hokkaido University, Sapporo, Japan
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Affiliation(s)
- D P Frush
- Department of Radiology, Duke University Medical Center, Durham, NC 27710, USA
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Abstract
Pneumatic insufflation of the colon for reduction of pediatric intussusception has recently been recognized in the United States as an alternative method for the more traditional hydrostatic reduction with contrast material. The experience with pneumatic reduction in China is extensive; more than 14,000 cases have been reported in the English language literature. In this review, the general technique used in China is summarized, and the international experience with air insufflation is included in a comparison of hydrostatic and pneumatic reduction techniques.
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Affiliation(s)
- J Y Zheng
- Department of Radiology, Duke University Medical Center, Durham, NC 27710
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46
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Zheng JY, Nakata M, Irifune K, Tanaka R, Morikawa H. Fluorescent banding pattern analysis of eight taxa of Phaseolus and Vigna in relation to their phylogenetic relationships. Theor Appl Genet 1993; 87:38-43. [PMID: 24190189 DOI: 10.1007/bf00223741] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/1992] [Accepted: 03/01/1993] [Indexed: 06/02/2023]
Abstract
Phylogenetic relationships among eight taxa of seven species of Phaseolus and Vigna (Phaseolus angularis, P. aureus, P. calcaratus, P. coccineus, P. vulgaris, Vigna sesquipedalis and V. sinensis; 2n = 22 each) were studied by the fluorescent chromosome banding technique. Preparations of somatic metaphase chromosomes of each taxon were sequentially stained with Giemsa, GC-specific fluorochrome chromomycin A3 (CMA) and AT-specific fluorochrome 4'-6-diamidino-2-phenylindole (DAPI). On the basis of the fluorescent banding patterns of the 22 chromosomes of each taxon, P. angularis, P. coccineus (from China and Korea) and P. vulgaris were grouped into one group ("Phaseolus group"), P. aureus and two Vigna species were grouped into another ("Vigna group") and P. calcaratus was grouped in an independent group.
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Affiliation(s)
- J Y Zheng
- Botanical Institute, Faculty of Science, Hiroshima University, 724, Higashi-Hiroshima, Japan
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47
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Abstract
The authors modified the methods used by Cooper et al (JAMA 1988; 259:3277-3280) to describe magnetic resonance (MR) clinical research during 1985-1988 in an objective manner. To avoid other shortcomings faced by Cooper et al, the authors randomly sampled 500 articles and obtained estimates of probable errors. Excluding case reports, all 40 of the studies with human subjects provided some evidence of prior research planning, which compares favorably with the 22% found by Cooper et al. Use of a standard for truth was similar between the data sets. Observer blinding, random ordering of procedures, and assessment of interobserver variability continued to be uncommon. Most studies provided only minimal statistical information. The work of these authors provides a study design and the baseline needed for future assessments of MR imaging evaluations.
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Affiliation(s)
- C A Beam
- Department of Radiology, Duke University Medical Center, Durham, NC 27710
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48
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Wang LP, Xing HQ, Cao XX, Yu JY, Zheng JY, Gu WN, Xu ZH. [Functional change of colorectal adenoma and its relation with colorectal adenocarcinoma--application of mucin histochemical and immunohistochemical techniques]. Zhonghua Zhong Liu Za Zhi 1987; 9:424-6, 24. [PMID: 3452539] [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: 01/05/2023]
Abstract
Using HE, AB/PAS, HID/AB, PAT/KOH/PAS stain and CEA monoclonal antibody BA stain techniques, composition of mucin and distribution of CEA in the tumor tissue were detected in 65 cases of colorectal tubular adenoma, 7 adenoma with malignant change and 14 established tubular adenocarcinoma in order to study the functional changes of colorectal adenoma and its relation with the colorectal adenocarcinoma. According to Konishi's criteria, colorectal tubular adenomas were divided into three groups: mild, moderate and severe dysplasia, added with two of ours: adenoma with malignant change and established adenocarcinoma, totalling 5 groups for comparison. The results showed that CEA positive rate increased with the grade of dysplasia in these 5 groups (33%, 57%, 67%, 86% and 100%). Similarly, the percentage of non-acetylated acid and C7 C9 O-acetylated sialomucin also gradually increased with the grade of dysplasia, showing a parallel tendency. Epithelial cells, secreting a heterogeneous mucin, could be taken as a signal of abnormal cellular differentiation. The increase of non-acetylated acid and C7 C9 O-acetylated sialomucin in colorectal adenoma implies a likelihood of malignant change.
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Affiliation(s)
- L P Wang
- General Hospital, Beijing Command, PLA
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49
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Zheng JY. [Creating a new prospect for teaching anatomy]. Zhonghua Hu Li Za Zhi 1984; 19:11-2. [PMID: 6564926] [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: 04/05/2023]
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