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Li T, Zhang K, Liu R, Ren L, Li X, Li J, Liu W, Song Y. Direct infusion-multiple reaction monitoring cubed (DI-MRM 3) enables widely targeted bi-omics of Colla Corii Asini (Chinese name: Ejiao). Food Chem 2024; 447:138969. [PMID: 38507947 DOI: 10.1016/j.foodchem.2024.138969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 02/22/2024] [Accepted: 03/05/2024] [Indexed: 03/22/2024]
Abstract
Food authenticity is extremely important and widely targeted bi-omics is a promising pipeline attributing to incorporating metabolomics and peptidomics. Colla Corii Asini (CCA, Ejiao) is one of the most popular tonic edible materials, with counterfeit and adulterated products being widespread. An attempt was devoted to develop a high-throughput and reliable DI-MRM3 program facilitating widely targeted bi-omics of CCA. Firstly, predictive MRM program captured metabolites and peptides in trypsin-digestive gelatins. After data alignment and structure annotation, primary parameters such as Q1 → Q3 → QLIT, CE, and EE were optimized for all 17 metabolites and 34 peptides by online ER-MS. Though a single run merely consumed 6.5 min, great selectivity was reached for each analyte. Statistical results showed that nine peptides contributed to distinguish CCA from other gelatins. After cross-validation with LC-MRM, DI-MRM3 was justified to be reproducible and high-throughput for widely targeted bi-omics of CCA, suggesting a meaningful tool for food authenticity.
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Affiliation(s)
- Ting Li
- Modern Research Center for Traditional Chinese Medicine, Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Ke Zhang
- Modern Research Center for Traditional Chinese Medicine, Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Rui Liu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Luyao Ren
- Modern Research Center for Traditional Chinese Medicine, Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Xiaoyun Li
- Modern Research Center for Traditional Chinese Medicine, Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Jun Li
- Modern Research Center for Traditional Chinese Medicine, Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China; School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Wenjing Liu
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China.
| | - Yuelin Song
- Modern Research Center for Traditional Chinese Medicine, Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China.
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Zhang J, Lin D, Wu Y, Chen L, Ma Z, Wu M, Liu X, Zhang Y, Cao H. Blood-supplementing effect of low molecular weight peptides of E-Jiao on chemotherapy-induced myelosuppression: evaluation of pharmacological activity and identification of bioactive peptides released in vivo. Front Pharmacol 2024; 15:1366407. [PMID: 38904003 PMCID: PMC11188354 DOI: 10.3389/fphar.2024.1366407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Accepted: 05/08/2024] [Indexed: 06/22/2024] Open
Abstract
Background: Equus asinus L. [Equidae; Asini Corri Colla] (donkey-hide gelatin, E-Jiao) is a traditional Chinese medicine renowned for its exceptional blood-supplementing effect. However, the specific components that contribute to its efficacy remain elusive. This study aimed to demonstrate that peptides are responsible for E-Jiao's blood-supplementing effect and to explore the specific peptides contributing to its efficacy. Methods: The low molecular weight peptides of E-Jiao (LMEJ) were obtained using an in vitro digestion method. LMEJ and peptides in the rat bloodstream were characterized by peptidomics analysis. The blood-supplementing effect of LMEJ was assessed using blood-deficient zebrafish and mouse models. The effect of the peptides detected in rat blood was evaluated using the same zebrafish model, and network pharmacology analysis was performed to investigate the underlying mechanisms. Results: A total of 660 unique peptides were identified within LMEJ. Both E-Jiao and LMEJ significantly alleviated myelosuppression in mice but only LMEJ attenuated myelosuppression in zebrafish. After the administration of E-Jiao to rats, 67 E-Jiao-derived peptides were detected in the bloodstream, 41 of which were identical to those identified in LMEJ. Out of these 41 peptides, five were synthesized. Subsequent verification of their effects revealed that two of them were able to alleviate myelosuppression in zebrafish. Network pharmacology study suggested that E-Jiao may exert a blood-supplementing effect by regulating signaling pathways such as JAK-STAT, IL-17 and others. These results indicated that peptides are at least partially responsible for E-Jiao's efficacy. Conclusion: This study provides a crucial foundation for further exploration of the bioactive components of E-Jiao.
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Affiliation(s)
- Jinju Zhang
- Research Center for Traditional Chinese Medicine of Lingnan (Southern China), Jinan University, Guangzhou, China
- National Engineering Research Center for Modernization of Traditional Chinese Medicine Lingnan Resources Branch, Guangzhou, China
| | - Danlin Lin
- Research Center for Traditional Chinese Medicine of Lingnan (Southern China), Jinan University, Guangzhou, China
- National Engineering Research Center for Modernization of Traditional Chinese Medicine Lingnan Resources Branch, Guangzhou, China
| | - Yuting Wu
- Research Center for Traditional Chinese Medicine of Lingnan (Southern China), Jinan University, Guangzhou, China
- National Engineering Research Center for Modernization of Traditional Chinese Medicine Lingnan Resources Branch, Guangzhou, China
| | - Lixia Chen
- Research Center for Traditional Chinese Medicine of Lingnan (Southern China), Jinan University, Guangzhou, China
- National Engineering Research Center for Modernization of Traditional Chinese Medicine Lingnan Resources Branch, Guangzhou, China
| | - Zhiguo Ma
- Research Center for Traditional Chinese Medicine of Lingnan (Southern China), Jinan University, Guangzhou, China
- National Engineering Research Center for Modernization of Traditional Chinese Medicine Lingnan Resources Branch, Guangzhou, China
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Guangzhou, China
| | - Menghua Wu
- Research Center for Traditional Chinese Medicine of Lingnan (Southern China), Jinan University, Guangzhou, China
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Guangzhou, China
- Guangdong Key Laboratory of Traditional Chinese Medicine Information Technology, Guangzhou, China
| | - Xindan Liu
- School of Medicine, Foshan University, Foshan, China
| | - Ying Zhang
- Research Center for Traditional Chinese Medicine of Lingnan (Southern China), Jinan University, Guangzhou, China
- National Engineering Research Center for Modernization of Traditional Chinese Medicine Lingnan Resources Branch, Guangzhou, China
- Guangdong Key Laboratory of Traditional Chinese Medicine Information Technology, Guangzhou, China
| | - Hui Cao
- Research Center for Traditional Chinese Medicine of Lingnan (Southern China), Jinan University, Guangzhou, China
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Guangzhou, China
- Guangdong Key Laboratory of Traditional Chinese Medicine Information Technology, Guangzhou, China
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Wang X, Ren W, Peng Y, Khan MZ, Liang H, Zhang Y, Liu X, Chen Y, Kou X, Wang L, Wang C, Zhan Y. Elucidating the Role of Transcriptomic Networks and DNA Methylation in Collagen Deposition of Dezhou Donkey Skin. Animals (Basel) 2024; 14:1222. [PMID: 38672366 PMCID: PMC11047689 DOI: 10.3390/ani14081222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 04/04/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
DNA methylation represents a predominant epigenetic modification with broad implications in various biological functions. Its role is particularly significant in the process of collagen deposition, a fundamental aspect of dermal development in donkeys. Despite its critical involvement, the mechanistic insights into how DNA methylation influences collagen deposition in donkey skin remain limited. In this study, we employed whole genome bisulfite sequencing (WGBS) and RNA sequencing (RNA-seq) to investigate the epigenetic landscape and gene expression profiles in the dorsal skin tissues of Dezhou donkeys across three developmental stages: embryonic (YD), juvenile (2-year-old, MD), and mature (8-year-old, OD). Our analysis identified numerous differentially methylated genes that play pivotal roles in skin collagen deposition and overall skin maturation, including but not limited to COL1A1, COL1A2, COL3A1, COL4A1, COL4A2, GLUL, SFRP2, FOSL1, SERPINE1, MMP1, MMP2, MMP9, and MMP13. Notably, we observed an inverse relationship between gene expression and DNA methylation proximal to transcription start sites (TSSs), whereas a direct correlation was detected in regions close to transcription termination sites (TTSs). Detailed bisulfite sequencing analyses of the COL1A1 promoter region revealed a low methylation status during the embryonic stage, correlating with elevated transcriptional activity and gene expression levels. Collectively, our findings elucidate key genetic markers associated with collagen deposition in the skin of Dezhou donkeys, underscoring the significant regulatory role of DNA methylation. This research work contributes to the foundational knowledge necessary for the genetic improvement and selective breeding of Dezhou donkeys, aiming to enhance skin quality attributes.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Changfa Wang
- Liaocheng Research Institute of Donkey High-Efficiency Breeding and Ecological Feeding, Liaocheng University, Liaocheng 522000, China (W.R.); (Y.P.); (M.Z.K.)
| | - Yandong Zhan
- Liaocheng Research Institute of Donkey High-Efficiency Breeding and Ecological Feeding, Liaocheng University, Liaocheng 522000, China (W.R.); (Y.P.); (M.Z.K.)
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Duan Y, Zhang M, Min C, Lin Y, Li L. Proteomic Analysis of Collagen: a Mass Spectrometry Approach to Material Identification of Shadow Puppet Cultural Relics. Appl Biochem Biotechnol 2024:10.1007/s12010-023-04822-1. [PMID: 38165589 DOI: 10.1007/s12010-023-04822-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/19/2023] [Indexed: 01/04/2024]
Abstract
Shadow puppets are a popular art form in various regions, including China, Indonesia, and Turkey, and are rich in cultural significance. However, there is a considerable lack of research on the materials, diseases and conservation techniques related to shadow puppet relics. Material identification is the basis for understanding the production process of ancient shadow puppet relics and evaluating their deterioration degree. The microscopic morphology and infrared spectroscopy results in our experiments showed that the traditional methods of ancient skin identification were not effective in the shadow puppet samples. In order to achieve accurate identification, we used biological mass-spectrometry in proteomics to examine two puppet relics and commercially available modern shadow puppets. The results showed that the above samples could be detected by mass spectrometry with abundant peptides, including peptides specific for bovine skin. These peptides cannot be found in other commonly used materials for making shadow puppets, including the skins of pig, sheep, deer and horse. It is worth mentioning that we have found the peptides specific to yellow cowhide in two ancient shadow puppet relics samples. Therefore, the proteomic evidence shows that the raw materials of the two shadow puppet relics samples are yellow cowhide. Four modern samples also confirmed the reliability of material identification using proteomics. The proteomic evidence shows that the biological mass spectrometry will contribute to the scientific research of shadow puppet relics and other skin and leather cultural relics.
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Affiliation(s)
- Yangbo Duan
- School of Archaeology and Museology, Sichuan University, Chengdu, 610065, Sichuan, China
| | - Muzi Zhang
- Joint International Research Laboratory of Environmental and Social Archaeology, Institute of Cultural Heritage, Shandong University, Qingdao, 266237, Shandong, China
| | - Chen Min
- Chengdu Museum (National Shadow Puppetry Museum in Chengdu), Chengdu, 610015, Sichuan, China
| | - Yalun Lin
- Chengdu Museum (National Shadow Puppetry Museum in Chengdu), Chengdu, 610015, Sichuan, China
| | - Li Li
- Joint International Research Laboratory of Environmental and Social Archaeology, Institute of Cultural Heritage, Shandong University, Qingdao, 266237, Shandong, China.
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Shi D, Zhao H, Bu C, Fraser K, Wang H, Dordick JS, Linhardt RJ, Zhang F, Shi F, Chi L. New insights into the binding of PF4 to long heparin oligosaccharides in ultralarge complexes using mass spectrometry. J Thromb Haemost 2023; 21:3608-3618. [PMID: 37648114 DOI: 10.1016/j.jtha.2023.08.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 08/18/2023] [Accepted: 08/18/2023] [Indexed: 09/01/2023]
Abstract
BACKGROUND Heparin-induced thrombocytopenia (HIT) is a serious complication caused by heparin drugs. The ultralarge complexes formed by platelet factor 4 (PF4) with heparin or low molecular weight heparins (LMWHs) are important participants in inducing the immune response and HIT. OBJECTIVES We aim at characterizing the interaction between PF4 and long-chain heparin oligosaccharides and providing robust analytical methods for the analysis of PF4-heparin complexes. METHODS In this work, the characteristics of PF4-enoxaparin complexes after incubation in different molar ratios and concentrations were analyzed by multiple analytical methods, especially liquid chromatography-mass spectrometry and liquid chromatography-tandem mass spectrometry with multiple reaction monitoring were developed to qualitatively and quantitatively monitor heparin oligosaccharides and PF4 in HIT-inducing complexes. RESULTS The results showed that the largest proportion of ultralarge complexes formed by PF4 and enoxaparin was at a specific molar ratio, ie, a PF4/enoxaparin ratio of 2:1, while the ultralarge complexes contained PF4 tetramer and enoxaparin at a molar ratio of approximately 2:1. CONCLUSION A binding model of PF4 and enoxaparin in ultralarge complexes is proposed with one heparin oligosaccharide chain (∼ dp18) bound to 2 PF4 tetramers in different morphologies to form ultralarge complexes, while PF4 tetramer is surrounded by multiple heparin chains in smaller complexes. Our study provides new insights into the structural mechanism of PF4-LMWH interaction, which help to further understand the mechanism of LMWH immunogenicity and develop safer heparin products.
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Affiliation(s)
- Deling Shi
- National Glycoengineering Research Center, Shandong University, Qingdao, Shandong Province, China; Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York, USA
| | - Huimin Zhao
- National Glycoengineering Research Center, Shandong University, Qingdao, Shandong Province, China
| | - Changkai Bu
- National Glycoengineering Research Center, Shandong University, Qingdao, Shandong Province, China
| | - Keith Fraser
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York, USA; Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, New York, USA
| | - Haoran Wang
- National Glycoengineering Research Center, Shandong University, Qingdao, Shandong Province, China
| | - Jonathan S Dordick
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York, USA; Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, New York, USA; Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, New York, USA; Department of Biological Engineering, Rensselaer Polytechnic Institute, Troy, New York, USA
| | - Robert J Linhardt
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York, USA; Department of Biological Sciences, Rensselaer Polytechnic Institute, Troy, New York, USA; Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, New York, USA; Department of Chemistry and Chemical Biology, Rensselaer Polytechnic Institute, Troy, New York, USA
| | - Fuming Zhang
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York, USA; Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, New York, USA.
| | - Feng Shi
- Shandong Institute for Food and Drug Control, Jinan, Shandong Province, China.
| | - Lianli Chi
- National Glycoengineering Research Center, Shandong University, Qingdao, Shandong Province, China.
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Ekeuku SO, Chin KY, Qian J, Zhang Y, Qu H, Ahmad F, Wong SK, Noor MMM, Soelaiman IN. The effects of E'Jiao on body composition, bone marrow adiposity and skeletal redox status in ovariectomised rats. Int J Med Sci 2023; 20:1711-1721. [PMID: 37928881 PMCID: PMC10620870 DOI: 10.7150/ijms.84604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 10/03/2023] [Indexed: 11/07/2023] Open
Abstract
Background: Menopause is accompanied by increased oxidative stress, partly contributing to weight gain and bone marrow adiposity. Traditional Chinese medication, E'Jiao, has been demonstrated to reduce excessive bone remodelling during oestrogen deprivation, but its effects on body composition and bone marrow adiposity during menopause remain elusive. Objective: To determine the effects of E'Jiao on body composition, bone marrow adiposity and skeletal redox status in ovariectomised (OVX) rats. Methods: Seven groups of three-month-old female Sprague Dawley rats were established (n=6/group): baseline, sham, OVX control, OVX-treated with low, medium or high-dose E'Jiao (0.26, 0.53, 1.06 g/kg, p.o.) or calcium carbonate (1% in tap water, ad libitum). The supplementation was terminated after 8 weeks. Whole-body composition analysis was performed monthly using dual-energy X-ray absorptiometry. Analysis of bone-marrow adipocyte numbers and skeletal antioxidant activities were performed on the femur. Results: Increased total mass, lean mass, and bone marrow adipocyte number were observed in the OVX control versus the sham group. Low-dose E'Jiao supplementation counteracted these changes. Besides, E'Jiao at all doses increased skeletal catalase and superoxide dismutase activities but lowered glutathione levels in the OVX rats. Skeletal malondialdehyde level was not affected by ovariectomy but was lowered with E'Jiao supplementation. However, peroxisome proliferator-activated receptor gamma protein expression was not affected by ovariectomy or any treatment. Conclusion: E'Jiao, especially at the low dose, prevented body composition changes and bone marrow adiposity due to ovariectomy. These changes could be mediated by the antioxidant actions of E'Jiao. It has the potential to be used among postmenopausal women to avoid adiposity.
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Affiliation(s)
- Sophia Ogechi Ekeuku
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysiaa, Kuala Lumpur, Malaysia
| | - Kok-Yong Chin
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysiaa, Kuala Lumpur, Malaysia
| | - Jing Qian
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Yan Zhang
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Haibin Qu
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Fairus Ahmad
- Department of Anatomy, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Sok Kuan Wong
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysiaa, Kuala Lumpur, Malaysia
| | - Mohd Mustazil Mohd Noor
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysiaa, Kuala Lumpur, Malaysia
| | - Ima Nirwana Soelaiman
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysiaa, Kuala Lumpur, Malaysia
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Zhang J, Lu Y, Zheng S, Ma Z, Wu M, Zhang Y, Cao H. Identification of donkey-hide gelatin and donkey-bone gelatin based on marker peptides. Lebensm Wiss Technol 2023; 182:114881. [DOI: 10.1016/j.lwt.2023.114881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
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Yang P, Bi Q, Li Y, Liao J, Ding Y, Huang D, Luo X, Huang Y, Yao C, Zhang J, Wei W, Li Z, Meng J, Guo D. Identification of Five Gelatins Based on Marker Peptides from Type I Collagen by Mass Spectrum in Multiple Reaction Monitoring Mode. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:5851-5860. [PMID: 37010496 DOI: 10.1021/acs.jafc.3c00151] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
In this study, a novel pseudo-targeted peptidomics strategy, integrating the transition list generated by an in-house software (Pep-MRMer) and the retention time transfer by high-abundance ion-based retention time calibration (HAI-RT-cal), was developed to screen marker peptides of gelatins from five closely related animal species, including porcine, bovine, horse, mule, and donkey. Five marker peptides were screened from the molecular phenotypic differences of type I collagen. Furthermore, a simple and robust 10 min multiple reaction monitoring (MRM) method was established and performed well in distinguishing different gelatins, particularly in discerning horse-hide gelatin (HHG) and mule-hide gelatin (MHG) from donkey-hide gelatin (DHG). The market investigation revealed the serious adulteration of DHG. Meantime, the pseudo-targeted peptidomics could be used to screen marker peptides of other gelatin foods.
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Affiliation(s)
- Peilei Yang
- Guangdong Pharmaceutical University, Guangzhou, Guangdong 510006, People's Republic of China
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
| | - Qirui Bi
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
| | - Yun Li
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
| | - Jingmei Liao
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
| | - Yelin Ding
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
| | - Dongdong Huang
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, People's Republic of China
| | - Xiaoxiao Luo
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
| | - Yong Huang
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
| | - Changliang Yao
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
| | - Jianqing Zhang
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
| | - Wenlong Wei
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
| | - Zhenwei Li
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
| | - Jiang Meng
- Guangdong Pharmaceutical University, Guangzhou, Guangdong 510006, People's Republic of China
| | - Dean Guo
- Guangdong Pharmaceutical University, Guangzhou, Guangdong 510006, People's Republic of China
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center of TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, People's Republic of China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, People's Republic of China
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9
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Xia Z, Che X, Ye L, Zhao N, Guo D, Peng Y, Lin Y, Liu X. A Synergetic Strategy for Brand Characterization of Colla Corii Asini (Ejiao) by LIBS and NIR Combined with Partial Least Squares Discriminant Analysis. Molecules 2023; 28:molecules28041778. [PMID: 36838765 PMCID: PMC9965801 DOI: 10.3390/molecules28041778] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 02/02/2023] [Accepted: 02/07/2023] [Indexed: 02/16/2023] Open
Abstract
A synergetic strategy was proposed to address the critical issue in the brand characterization of Colla corii asini (Ejiao, CCA), a precious traditional Chinese medicine (TCM). In all brands of CCA, Dong'e Ejiao (DEEJ) is an intangible cultural heritage resource. Seventy-eight CCA samples (including forty DEEJ samples and thirty-eight samples from other different manufacturers) were detected by laser-induced breakdown spectroscopy (LIBS) and near-infrared spectroscopy (NIR). Partial least squares discriminant analysis (PLS-DA) models were built first considering individual techniques separately, and then fusing LIBS and NIR data at low-level. The statistical parameters including classification accuracy, sensitivity, and specificity were calculated to evaluate the PLS-DA model performance. The results demonstrated that two individual techniques show good classification performance, especially the NIR. The PLS-DA model with single NIR spectra pretreated by the multiplicative scatter correction (MSC) method was preferred as excellent discrimination. Though individual spectroscopic data obtained good classification performance. A data fusion strategy was also attempted to merge atomic and molecular information of CCA. Compared to a single data block, data fusion models with SNV and MSC pretreatment exhibited good predictive power with no misclassification. This study may provide a novel perspective to employ a comprehensive analytical approach to brand discrimination of CCA. The synergetic strategy based on LIBS together with NIR offers atomic and molecular information of CCA, which could be exemplary for future research on the rapid discrimination of TCM.
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Affiliation(s)
- Ziyi Xia
- College of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, China
| | - Xiaoqing Che
- Shandong Runzhong Pharmaceutical Co., Ltd., Yantai 256603, China
| | - Lei Ye
- College of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, China
| | - Na Zhao
- Key Laboratory of Xinjiang Phytomedicine Resources and Utilization in Ministry of Education, School of Pharmacy, Shihezi University, Shihezi 832002, China
| | - Dongxiao Guo
- Shandong Institute of Food and Drug Inspection, Jinan 250101, China
| | - Yanfang Peng
- Pharmacy Faculty, Hubei University of Chinese Medicine, Wuhan 430065, China
| | - Yongqiang Lin
- Shandong Institute of Food and Drug Inspection, Jinan 250101, China
- Correspondence: (Y.L.); (X.L.)
| | - Xiaona Liu
- College of Integrated Traditional Chinese and Western Medicine, Binzhou Medical University, Yantai 264003, China
- Correspondence: (Y.L.); (X.L.)
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10
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Ye R, Zhang Z, Wang H, Suo T. Discriminating Various Edible Gelatin with a Chemical Oscillator. FOOD ANAL METHOD 2023. [DOI: 10.1007/s12161-022-02443-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Wang C, Bi Q, Huang D, Wu S, Gao M, Li Y, Xing L, Yao S, Guo DA. Identification of Pinelliae Rhizoma and its counterfeit species based on enzymatic signature peptides from toxic proteins. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 107:154451. [PMID: 36126407 DOI: 10.1016/j.phymed.2022.154451] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 08/28/2022] [Accepted: 09/09/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Pinelliae Rhizoma (PR), a toxic medication, with long history, is commonly used for eliminating phlegm. Due to the shortage of wild resources and the relative lacking of cultivation technology, it is often confused with its counterfeit species in the market, such as Typhonii Rhizoma (TR), Arisaematis Rhizoma (AR) and tubers of Typhonium flagelliforme (TF) and Pinellia pedatisecta (PP). PURPOSE It was aimed to screen signature enzymatic peptides from toxic proteins to identify PR and its four counterfeit species. STUDY DESIGN A comparative proteogenomics strategy based on open-source transcriptome data was applied for screening signature peptides from toxic proteins, which were applied for species authentication of PR and its counterfeit species. METHODS Firstly, the open-source transcriptome data was used for constructing the annotated protein database, which was used for peptides identification. Secondly, the toxicity of different fractions of PR were evaluated by the rat peritoneal inflammation model. Furthermore, sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) were used to profile the main proteins bands of five species, whose sequences were identified based on the in-gel digestion experiment by using ultra-high-performance liquid chromatography/quadrupole-Orbitrap mass spectrometry. Finally, the label-free proteomic analysis was performed to character the proteins and screen the signature peptides of five species, which were validated in commercially available products by dynamic multi reaction monitor (DMRM). RESULTS The results in this study confirmed that protein was the main toxic components of PR. Both Pinellia ternata agglutinin (PTA) and trypsin inhibitor (TI) like proteins are the main proteins, which were characterized by proteomic analysis based on four annotated protein database. Meanwhile, seven signature peptides from toxic proteins were screened and validated with good repeatability and specificity in commercial products. CONCLUSION Seven signature enzymatic peptides from toxic protein screened by the comparative proteogenomics strategy based on open-source transcriptome data achieved good identification ability of PR and its four counterfeit species.
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Affiliation(s)
- Cuicui Wang
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center for TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China; School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Qirui Bi
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center for TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Dongdong Huang
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center for TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Shifei Wu
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center for TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Min Gao
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center for TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Yun Li
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center for TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Longsheng Xing
- School of Life Sciences, Institute of Life Sciences and Green Development, Hebei, University, Baoding 071000, China
| | - Shuai Yao
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center for TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - De-An Guo
- Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Research Center for TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China; School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China.
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12
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A quantitative mass spectrometry method to differentiate bovine and ovine heparins from pharmaceutical porcine heparin. Carbohydr Polym 2022; 301:120303. [DOI: 10.1016/j.carbpol.2022.120303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 10/30/2022] [Accepted: 10/31/2022] [Indexed: 11/05/2022]
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13
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Han S, Yan Z, Huang X, Cai S, Zhao M, Zheng Y, Liu X, Xu H, Xie Y, Hou R, Duan JA, Liu R. Response boosting-based approach for absolute quantification of gelatin peptides using LC-MS/MS. Food Chem 2022; 390:133111. [DOI: 10.1016/j.foodchem.2022.133111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 04/04/2022] [Accepted: 04/26/2022] [Indexed: 11/04/2022]
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Determination of the species origin and thrombin-like enzyme content of <italic>Bothrops atrox</italic> venom by ultra-high performance liquid chromatography-tandem mass spectrometry based on marker peptide. Se Pu 2022; 40:810-816. [PMID: 36156627 PMCID: PMC9520370 DOI: 10.3724/sp.j.1123.2021.12020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
蛇毒血凝酶类药物是以蝮蛇蛇毒为原料制备的止血药,主要活性成分为蛇毒类凝血酶(svTLEs)。不同蛇种来源的svTLEs结构不同,止血机制不同,药理作用也存在差异,因此准确鉴别蛇毒种属来源和svTLEs含量对于保障该类产品的质量至关重要。研究基于蛋白质组学技术,筛选出了具有种属特异性的矛头蝮蛇svTLE特征肽,并建立了基于特征肽的超高效液相色谱-串联质谱(UHPLC-MS/MS)检测矛头蝮蛇蛇毒种属来源及类凝血酶含量的方法。采用胰蛋白酶对纯化的矛头蝮蛇svTLE进行酶解,利用纳升液相色谱-四极杆/静电场轨道阱高分辨质谱(Nano LC-Q-Exactive-MS)和Proteome Discoverer 2.2软件分别进行多肽的检测和鉴定,通过BLAST搜索与Uniprot数据库对比分析,筛选出具有种属特异性的矛头蝮蛇svTLEs特征肽“EAYNGLPAK”。针对该特征肽对酶解温度、酶解时间和酶用量等样品前处理方法进行了优化,利用超高效液相色谱-串联质谱,以m/z 481.9>315.2和481.9>485.2作为检测离子对,采用ESI+模式进行了多反应监测(MRM)定性定量分析。结果显示,特征肽在2.5~30 ng/mL范围内线性关系良好,相关系数(r)大于0.9996,多水平加标回收率范围为95.5%~101.9%,各水平平行测定结果的相对标准偏差(RSD)为1.1%~3.2%,完全能够满足实际样品检测需求。方法简便快捷,灵敏度高,专属性强,可用于矛头蝮蛇蛇毒种属鉴别及svTLE含量测定,从源头保证血凝酶类产品的质量,并可为其他蛇毒类产品的质量控制提供参考。
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Zhang J, Wu M, Ma Z, Zhang Y, Cao H. Species-specific identification of donkey-hide gelatin and its adulterants using marker peptides. PLoS One 2022; 17:e0273021. [PMID: 35960756 PMCID: PMC9374224 DOI: 10.1371/journal.pone.0273021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 07/21/2022] [Indexed: 11/21/2022] Open
Abstract
Donkey-hide gelatin is an important traditional Chinese medicine made from donkey skin. Despite decades of effort, identifying the animal materials (donkeys, horses, cattle and pigs) in donkey-hide gelatin remains challenging. In our study, we aimed to identify marker peptides of donkey-hide gelatin and its adulterants and develop a liquid chromatography–tandem mass spectrometry method to identify them. Theoretical marker peptides of four animals (donkeys, horses, cattle and pigs) were predicted and verified by proteomic experiments, and 12 species-specific marker peptides from donkey-hide gelatin and its adulterants were identified. One marker peptide for each gelatin was selected to develop the liquid chromatography–tandem mass spectrometry method. The applicability of the method was evaluated by investigating homemade mixed gelatin samples and commercial donkey-hide gelatin products. Using the liquid chromatography–tandem mass spectrometry method, the addition of cattle-hide gelatin and pig-hide gelatin to donkey-hide gelatin could be detected at a level of 0.1%. Horse-hide gelatin was detected when added at a level of 0.5%. Among 18 batches of donkey-hide gelatin products, nine were identified as authentic, and eight of the remaining samples were suspected to be adulterated with horse materials. These results provide both a practical method to control the quality of donkey-hide gelatin and a good reference for quality evaluations of other medicinal materials and foods containing protein components.
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Affiliation(s)
- Jinju Zhang
- College of Pharmacy, Research Center for Traditional Chinese Medicine of Lingnan (Southern China), National Engineering Research Center for Modernization of Traditional Chinese Medicine Lingnan Resources Branch, Jinan University, Guangzhou, Guangdong, China
- Guangdong Provincial Key Laboratory of Traditional Chinese Medicine Informatization (2021B1212040007), Guangzhou, Guangdong, China
| | - Menghua Wu
- College of Pharmacy, Research Center for Traditional Chinese Medicine of Lingnan (Southern China), National Engineering Research Center for Modernization of Traditional Chinese Medicine Lingnan Resources Branch, Jinan University, Guangzhou, Guangdong, China
- Guangdong Provincial Key Laboratory of Traditional Chinese Medicine Informatization (2021B1212040007), Guangzhou, Guangdong, China
| | - Zhiguo Ma
- College of Pharmacy, Research Center for Traditional Chinese Medicine of Lingnan (Southern China), National Engineering Research Center for Modernization of Traditional Chinese Medicine Lingnan Resources Branch, Jinan University, Guangzhou, Guangdong, China
- Guangdong Provincial Key Laboratory of Traditional Chinese Medicine Informatization (2021B1212040007), Guangzhou, Guangdong, China
| | - Ying Zhang
- College of Pharmacy, Research Center for Traditional Chinese Medicine of Lingnan (Southern China), National Engineering Research Center for Modernization of Traditional Chinese Medicine Lingnan Resources Branch, Jinan University, Guangzhou, Guangdong, China
- Guangdong Provincial Key Laboratory of Traditional Chinese Medicine Informatization (2021B1212040007), Guangzhou, Guangdong, China
- * E-mail: (YZ); (HC)
| | - Hui Cao
- College of Pharmacy, Research Center for Traditional Chinese Medicine of Lingnan (Southern China), National Engineering Research Center for Modernization of Traditional Chinese Medicine Lingnan Resources Branch, Jinan University, Guangzhou, Guangdong, China
- Guangdong Provincial Key Laboratory of Traditional Chinese Medicine Informatization (2021B1212040007), Guangzhou, Guangdong, China
- * E-mail: (YZ); (HC)
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Ekeuku SO, Chin KY, Qian J, Zhang Y, Qu H, Mohd Ramli ES, Wong SK, Mohd Noor MM, Ima-Nirwana S. Suppression of high bone remodelling by E'Jiao in ovariectomised rats. Biomed Pharmacother 2022; 152:113265. [PMID: 35709654 DOI: 10.1016/j.biopha.2022.113265] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 05/28/2022] [Accepted: 06/06/2022] [Indexed: 11/25/2022] Open
Abstract
The current prevention options for postmenopausal osteoporosis are very limited. E'Jiao is a collagen-rich traditional Chinese medicine with the potential to prevent osteoporosis but more comprehensive investigations are lacking. This study aimed to investigate the skeletal protective effects of E'Jiao in a rat model of osteoporosis caused by ovariectomy. Female Sprague Dawley rats (n = 42) were randomly assigned into baseline, sham, ovariectomised (OVX) control, OVX-treated with low-dose (0.26 g/kg), medium dose (0.53 g/kg) and high dose E'Jiao (1.06 g/kg), as well as calcium carbonate (1% w/v) groups. Daily treatment through oral gavage was initiated 7 days after OVX. The rats were euthanised after eight weeks of treatment. Bone mineral density and content were measured at baseline, 1 and 2 months after treatment. Blood was collected for the measurement of bone remodelling markers. Femur and tibial bones were collected for histomorphometry and biomechanical strength analysis. Untreated OVX rats showed high bone remodelling marked by the increased bone formation and bone resorption markers, as well as increased mineralising surface/bone surface ratio. In addition, osteoclast surface and single-labelled surface were increased while mineral apposition rate was reduced in the untreated OVX rats. These changes were antagonised by E'Jiao at all doses. However, the structural, cellular and biomechanical parameters were not affected by ovariectomy and treatment. In conclusion, E'Jiao prevented high bone remodelling during oestrogen deficiency but a long-term study will be required to establish its effects on structural and biomechanical changes due to oestrogen deficiency.
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Affiliation(s)
- Sophia Ogechi Ekeuku
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, 56000 Cheras, Kuala Lumpur, Malaysia.
| | - Kok-Yong Chin
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, 56000 Cheras, Kuala Lumpur, Malaysia.
| | - Jing Qian
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, 310030 Zhejiang, Hangzhou, China.
| | - Yan Zhang
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, 310030 Zhejiang, Hangzhou, China.
| | - Haibin Qu
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, 310030 Zhejiang, Hangzhou, China.
| | - Elvy Suhana Mohd Ramli
- Department of Anatomy, Faculty of Medicine, Universiti Kebangsaan Malaysia, 56000 Cheras, Kuala Lumpur, Malaysia.
| | - Sok Kuan Wong
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, 56000 Cheras, Kuala Lumpur, Malaysia.
| | - Mohd Mustazil Mohd Noor
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, 56000 Cheras, Kuala Lumpur, Malaysia.
| | - Soelaiman Ima-Nirwana
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, 56000 Cheras, Kuala Lumpur, Malaysia.
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17
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Wu WJ, Li LF, Fung HY, Cheng HY, Kong HY, Wong TL, Zhang QW, Liu M, Bao WR, Huo CY, Guo S, Liu H, Zhou X, Gao DF, Han QB. Qualitative and Quantitative Analysis of Ejiao-Related Animal Gelatins through Peptide Markers Using LC-QTOF-MS/MS and Scheduled Multiple Reaction Monitoring (MRM) by LC-QQQ-MS/MS. Molecules 2022; 27:molecules27144643. [PMID: 35889516 PMCID: PMC9318382 DOI: 10.3390/molecules27144643] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 05/16/2022] [Accepted: 05/18/2022] [Indexed: 02/04/2023] Open
Abstract
Donkey-hide gelatin, also called Ejiao (colla corii asini), is commonly used as a food health supplement and valuable Chinese medicine. Its growing popular demand and short supply make it a target for fraud, and many other animal gelatins can be found as adulterants. Authentication remains a quality concern. Peptide markers were developed by searching the protein database. However, donkeys and horses share the same database, and there is no specific marker for donkeys. Here, solutions are sought following a database-independent strategy. The peptide profiles of authentic samples of different animal gelatins were compared using LC-QTOF-MS/MS. Fourteen specific markers, including four donkey-specific, one horse-specific, three cattle-specific, and six pig-specific peptides, were successfully found. As these donkey-specific peptides are not included in the current proteomics database, their sequences were determined by de novo sequencing. A quantitative LC-QQQ multiple reaction monitoring (MRM) method was further developed to achieve highly sensitive and selective analysis. The specificity and applicability of these markers were confirmed by testing multiple authentic samples and 110 batches of commercial Ejiao products, 57 of which were found to be unqualified. These results suggest that these markers are specific and accurate for authentication purposes.
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Affiliation(s)
- Wen-Jie Wu
- School of Chinese Medicine, Hong Kong Baptist University, 7 Baptist University Road, Kowloon Tong, Hong Kong 999077, China; (W.-J.W.); (L.-F.L.); (H.-Y.F.); (H.-Y.C.); (H.-Y.K.); (T.-L.W.); (Q.-W.Z.); (M.L.); (W.-R.B.); (C.-Y.H.)
| | - Li-Feng Li
- School of Chinese Medicine, Hong Kong Baptist University, 7 Baptist University Road, Kowloon Tong, Hong Kong 999077, China; (W.-J.W.); (L.-F.L.); (H.-Y.F.); (H.-Y.C.); (H.-Y.K.); (T.-L.W.); (Q.-W.Z.); (M.L.); (W.-R.B.); (C.-Y.H.)
- Hong Kong Authentication Centre of Valuable Chinese Medicines, Hong Kong 999077, China;
| | - Hau-Yee Fung
- School of Chinese Medicine, Hong Kong Baptist University, 7 Baptist University Road, Kowloon Tong, Hong Kong 999077, China; (W.-J.W.); (L.-F.L.); (H.-Y.F.); (H.-Y.C.); (H.-Y.K.); (T.-L.W.); (Q.-W.Z.); (M.L.); (W.-R.B.); (C.-Y.H.)
| | - Hui-Yuan Cheng
- School of Chinese Medicine, Hong Kong Baptist University, 7 Baptist University Road, Kowloon Tong, Hong Kong 999077, China; (W.-J.W.); (L.-F.L.); (H.-Y.F.); (H.-Y.C.); (H.-Y.K.); (T.-L.W.); (Q.-W.Z.); (M.L.); (W.-R.B.); (C.-Y.H.)
| | - Hau-Yee Kong
- School of Chinese Medicine, Hong Kong Baptist University, 7 Baptist University Road, Kowloon Tong, Hong Kong 999077, China; (W.-J.W.); (L.-F.L.); (H.-Y.F.); (H.-Y.C.); (H.-Y.K.); (T.-L.W.); (Q.-W.Z.); (M.L.); (W.-R.B.); (C.-Y.H.)
| | - Tin-Long Wong
- School of Chinese Medicine, Hong Kong Baptist University, 7 Baptist University Road, Kowloon Tong, Hong Kong 999077, China; (W.-J.W.); (L.-F.L.); (H.-Y.F.); (H.-Y.C.); (H.-Y.K.); (T.-L.W.); (Q.-W.Z.); (M.L.); (W.-R.B.); (C.-Y.H.)
| | - Quan-Wei Zhang
- School of Chinese Medicine, Hong Kong Baptist University, 7 Baptist University Road, Kowloon Tong, Hong Kong 999077, China; (W.-J.W.); (L.-F.L.); (H.-Y.F.); (H.-Y.C.); (H.-Y.K.); (T.-L.W.); (Q.-W.Z.); (M.L.); (W.-R.B.); (C.-Y.H.)
| | - Man Liu
- School of Chinese Medicine, Hong Kong Baptist University, 7 Baptist University Road, Kowloon Tong, Hong Kong 999077, China; (W.-J.W.); (L.-F.L.); (H.-Y.F.); (H.-Y.C.); (H.-Y.K.); (T.-L.W.); (Q.-W.Z.); (M.L.); (W.-R.B.); (C.-Y.H.)
| | - Wan-Rong Bao
- School of Chinese Medicine, Hong Kong Baptist University, 7 Baptist University Road, Kowloon Tong, Hong Kong 999077, China; (W.-J.W.); (L.-F.L.); (H.-Y.F.); (H.-Y.C.); (H.-Y.K.); (T.-L.W.); (Q.-W.Z.); (M.L.); (W.-R.B.); (C.-Y.H.)
| | - Chu-Ying Huo
- School of Chinese Medicine, Hong Kong Baptist University, 7 Baptist University Road, Kowloon Tong, Hong Kong 999077, China; (W.-J.W.); (L.-F.L.); (H.-Y.F.); (H.-Y.C.); (H.-Y.K.); (T.-L.W.); (Q.-W.Z.); (M.L.); (W.-R.B.); (C.-Y.H.)
| | - Shangwei Guo
- Shandong Technology Innovation Center of Gelatin-Based Traditional Chinese Medicine, Dong-E-E-Jiao Co., Ltd., No. 78, E-Jiao Street, Done-E Country, Liaocheng 252200, China; (S.G.); (H.L.)
| | - Haibin Liu
- Shandong Technology Innovation Center of Gelatin-Based Traditional Chinese Medicine, Dong-E-E-Jiao Co., Ltd., No. 78, E-Jiao Street, Done-E Country, Liaocheng 252200, China; (S.G.); (H.L.)
| | - Xiangshan Zhou
- Shandong Technology Innovation Center of Gelatin-Based Traditional Chinese Medicine, Dong-E-E-Jiao Co., Ltd., No. 78, E-Jiao Street, Done-E Country, Liaocheng 252200, China; (S.G.); (H.L.)
- China Resources Biopharmaceutical Co., Ltd., Beijing 100000, China
- Correspondence: (X.Z.); (Q.-B.H.); Tel.: +86-10-5798-5166 (X.Z.); +852-34112906 (Q.-B.H.); Fax: +852-34112461 (Q.-B.H.)
| | - Deng-Feng Gao
- Hong Kong Authentication Centre of Valuable Chinese Medicines, Hong Kong 999077, China;
| | - Quan-Bin Han
- School of Chinese Medicine, Hong Kong Baptist University, 7 Baptist University Road, Kowloon Tong, Hong Kong 999077, China; (W.-J.W.); (L.-F.L.); (H.-Y.F.); (H.-Y.C.); (H.-Y.K.); (T.-L.W.); (Q.-W.Z.); (M.L.); (W.-R.B.); (C.-Y.H.)
- Hong Kong Authentication Centre of Valuable Chinese Medicines, Hong Kong 999077, China;
- Correspondence: (X.Z.); (Q.-B.H.); Tel.: +86-10-5798-5166 (X.Z.); +852-34112906 (Q.-B.H.); Fax: +852-34112461 (Q.-B.H.)
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Xian R, Wang C, Gong L, Hang B, Wang W, Zhang X, Du H, Wang F, Shi F. A Species-Specific Strategy for the Identification of Hemocoagulase Agkistrodon halys pallas Based on LC-MS/MS-MRM. Front Mol Biosci 2022; 9:831293. [PMID: 35712351 PMCID: PMC9196937 DOI: 10.3389/fmolb.2022.831293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 04/25/2022] [Indexed: 11/13/2022] Open
Abstract
Hemocoagulase Agkistrodon halys pallas is a complex mixture composed of snake venom thrombin-like enzymes (svTLEs) and small amounts of thrombokinase-like enzymes. It has been widely used as a hemostatic with rapidly growing marketing due to its advantage of localized clotting fibrinogen other than systemic coagulation. However, svTLEs from different species have various structures, functions, and hemostatic mechanisms. To ensure the efficacy and safety of Hemocoagulase Agkistrodon halys pallas, an exclusive and sensitive method has been developed to identify specific marker peptides based on liquid chromatography-tandem mass spectrometry with multiple reaction monitoring (LC-MS/MS-MRM) mode. By combining transcriptomics and proteomics, a series of species-specific peptides of Agkistrodon halys pallas were predicted and examined by LC-MS/MS. After reduction, alkylation, and tryptic digestion were performed on Hemocoagulase Agkistrodon halys pallas, a target peptide TLCAGVMEGGIDTCNR was analyzed by LC-MS/MS-MRM. It offers a new and effective approach for the quality control of Hemocoagulase Agkistrodon halys pallas products. This method is superior to the current assays in terms of sensitivity, specificity, precision, accuracy, and throughput. The strategy can also be applied in studying other important protein-based medicines.
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Affiliation(s)
- Ruiqing Xian
- Biological Products Inspection Division, Shandong Institute for Food and Drug Control, Jinan, China
- National Medical Product Administration (NMPA) Key Laboratory for Research & Evaluation of Genetic Drugs, Jinan, China
- Key Laboratory of Chemical Biology (Ministry of Education), Institute of Biochemical and Biotechnological Drugs, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Congcong Wang
- Biological Products Inspection Division, Shandong Institute for Food and Drug Control, Jinan, China
| | - Liping Gong
- Biological Products Inspection Division, Shandong Institute for Food and Drug Control, Jinan, China
| | - Baojian Hang
- Biological Products Inspection Division, Shandong Institute for Food and Drug Control, Jinan, China
| | - Weijian Wang
- Biological Products Inspection Division, Shandong Institute for Food and Drug Control, Jinan, China
- National Medical Product Administration (NMPA) Key Laboratory for Research & Evaluation of Genetic Drugs, Jinan, China
| | - Xunjie Zhang
- Biological Products Inspection Division, Shandong Institute for Food and Drug Control, Jinan, China
| | - Hongmin Du
- R&D Department, Avanc Pharmaceutical Co., Ltd., Jizhou, China
| | - Fengshan Wang
- Key Laboratory of Chemical Biology (Ministry of Education), Institute of Biochemical and Biotechnological Drugs, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Feng Shi
- Biological Products Inspection Division, Shandong Institute for Food and Drug Control, Jinan, China
- National Medical Product Administration (NMPA) Key Laboratory for Research & Evaluation of Genetic Drugs, Jinan, China
- *Correspondence: Feng Shi,
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A Strategy for Rapid Discovery of Marker Peptides Associated with Fibrinolytic Efficacy of Pheretima aspergillum Based on Bioinformatics Combined with Parallel Reaction Monitoring. Molecules 2022; 27:molecules27092651. [PMID: 35566002 PMCID: PMC9100157 DOI: 10.3390/molecules27092651] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 04/14/2022] [Accepted: 04/19/2022] [Indexed: 11/17/2022] Open
Abstract
Quality control of animal-derived traditional Chinese medicines has improved dramatically as proteomics research advanced in the past few decades. However, it remains challenging to identify quality attributes with routine proteomics approaches since protein with fibrinolytic activity is rarely reported in pheretima, a typical animal-derived traditional medicine. A novel strategy based on bioinformatics combined with parallel reaction monitoring (PRM) was developed here to rapidly discover the marker peptides associated with a fibrinolytic effect. Potential marker peptides were found by lumbrokinase sequences’ alignment and in silico digestion. The fibrinogen zymography was used to visually identify fibrinolytic proteins in pheretima. As a result, it was found that the fibrinolytic activity varied among different portions of pheretima. Fibrinolytic proteins were distributed regionally in the anterior and anterior-mid portion and there was no significant fibrinogenolytic activity observed in the mid-posterior and posterior portion. Finally, PRM experiments were deployed to validate and quantify selected marker peptides and a total of 11 peptides were identified as marker peptides, which could be potentially used in quality control of pheretima. This strategy provides a robust workflow to benefit the quality control of other animal-derived traditional medicines.
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Liu Q, Bi Q, Zhang J, Qin W, Yi S, Hu Q, Sun J, Ji S, Tan N. A rapid and simple signature peptides-based method for species authentication of three main commercial Pheretima. J Proteomics 2021; 255:104456. [PMID: 34922013 DOI: 10.1016/j.jprot.2021.104456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 11/18/2021] [Accepted: 12/06/2021] [Indexed: 10/19/2022]
Abstract
Pheretima with various activities is a commonly used animal-derived traditional medicine in Asia countries. However, almost half of them are non-pharmacopoeia species in the market due to the similar morphological characteristics between medicinal and non-medicinal species. This study aims to establish an effective method based on signature peptides for species authentication of three main commercial Pheretima, including two major Pheretima species (Amynthas aspergillum, Metaphire vulgaris) and one main adulteration (Metaphire magna). Firstly, the species of 52 batches of commercial Pheretima were authenticated based on DNA barcodes. Secondly, proteomic analysis was performed for protein characterization of three main commercial Pheretima. Furthermore, their signature peptides were screened and validated using ultra-high performance liquid chromatography coupled with mass spectrometry (UPLC-MS/MS) in multiple reaction monitoring (MRM) mode. Moreover, a simplified sample processing method was developed. Finally, large quantities of commercial Pheretima samples were analyzed for further verifying the feasibility of the signature peptides-based method. The result showed that the established method had a great application potential for authenticity identification of commercial Pheretima. SIGNIFICANCE: The authenticity assessment of medicinal materials is a main issue in the quality control process as deceptive practices could imply severe health risks. In this study, a rapid and simple method based on signature peptides was established for species authentication of three main commercial Pheretima, which can be an effective alternative to complex DNA barcoding and difficult morphological identification, and provided a reference for improvement of Pheretima quality standards.
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Affiliation(s)
- Qiao Liu
- Department of TCMs Pharmaceuticals, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, People's Republic of China
| | - Qirui Bi
- Department of TCMs Pharmaceuticals, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, People's Republic of China; Shanghai Research Center for Modernization of Traditional Chinese Medicine, National Engineering Laboratory for TCM Standardization Technology, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Jingxian Zhang
- NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine, Shanghai Institute for Food and Drug Control, 1500 Zhangheng Road, Shanghai 201203, People's Republic of China
| | - Weiwei Qin
- Department of TCMs Pharmaceuticals, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, People's Republic of China
| | - Shanyong Yi
- Department of TCMs Pharmaceuticals, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, People's Republic of China
| | - Qing Hu
- NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine, Shanghai Institute for Food and Drug Control, 1500 Zhangheng Road, Shanghai 201203, People's Republic of China
| | - Jian Sun
- NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine, Shanghai Institute for Food and Drug Control, 1500 Zhangheng Road, Shanghai 201203, People's Republic of China
| | - Shen Ji
- NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine, Shanghai Institute for Food and Drug Control, 1500 Zhangheng Road, Shanghai 201203, People's Republic of China.
| | - Ninghua Tan
- Department of TCMs Pharmaceuticals, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, People's Republic of China.
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21
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Wen S, Zhong Z, He L, Zhao D, Chen X, Mi H, Liu F. Network pharmacology dissection of multiscale mechanisms for jiaoqi powder in treating ulcerative colitis. JOURNAL OF ETHNOPHARMACOLOGY 2021; 275:114109. [PMID: 33845143 DOI: 10.1016/j.jep.2021.114109] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 03/28/2021] [Accepted: 04/02/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The incidence of ulcerative colitis (UC) is increasing worldwide, making it a serious public health challenge. Currently, there are no accepted curative treatments for UC. As such, the exploration of new therapeutic strategies for UC treatment is of considerable clinical importance. Jiaoqi powder (JQP) is a classic Chinese medicinal formula commonly used as a complementary and alternative medicine for treating gastrointestinal bleeding. JQP is thus a potential alternative medicine for UC treatment. However, the protective mechanism underlying the action of JQP has not been elucidated, thereby, necessitating further studies to decipher the mechanisms involved in the complex interplay among its components. AIM OF THE STUDY To explore the protective effect of JQP against UC and to further investigate its mechanism in silico and in vivo using a systems pharmacology approach. MATERIALS AND METHODS A systems pharmacology approach was used to predict the active components of JQP. Putative targets and the potential mechanism of JQP on UC were obtained through target fishing, network construction, and enrichment analyses. An animal-based model of dextran sodium sulfate (DSS)-induced colitis in C57BL/6 mice was further used to validate the treatment mechanisms of JQP. The underlying pharmacological mechanisms of JQP in UC were determined using polymerase chain reaction tests, histological staining, immunohistochemistry, enzyme-linked immunoassays, and flow cytometry analysis. RESULTS In this study, 17 effective components and 941 potential targets of JQP were identified. Similarly, 2104 UC-related targets were also identified. Construction of PPI networks led to the identification of 184 putative therapeutic targets of JQP. Sixty-nine core targets among these 184 were further screened based on their DC values. Gene ontology (GO) functional and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analyses revealed that the core targets were primarily enriched in immune response and inflammatory signalling pathways. Subsequent animal-based in vivo experiments revealed that JQP ameliorated symptoms and histological changes in DSS colitis by significantly impairing DSS's ability to induce high expression levels of NF-κB/p65, IL-1β, IL-6, and TNF-α. JQP also reduced the levels of COX-2, CCL2, CXCL2, HIF-1α, MMP3 and MMP9 and regulated the Th17/Treg cell balance in DSS-induced mice. CONCLUSIONS This study demonstrated that JQP could treat UC by improving the mucosal inflammatory response, repairing the intestinal barrier, and modulating the Th17/Treg immune balance. The results of this study provide new insights into UC treatment and further elucidate the theoretical and practical implications of the pharmaceutical development of TCMs.
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MESH Headings
- Animals
- Colitis, Ulcerative/chemically induced
- Colitis, Ulcerative/drug therapy
- Colitis, Ulcerative/immunology
- Colitis, Ulcerative/pathology
- Cytokines/metabolism
- Dextran Sulfate/toxicity
- Disease Models, Animal
- Drugs, Chinese Herbal/isolation & purification
- Drugs, Chinese Herbal/pharmacology
- Drugs, Chinese Herbal/therapeutic use
- Inflammation/chemically induced
- Inflammation/drug therapy
- Inflammation/immunology
- Lymph Nodes/immunology
- Male
- Metabolic Networks and Pathways/drug effects
- Mice, Inbred C57BL
- Powders
- Protein Interaction Maps
- Spleen/immunology
- T-Lymphocytes, Regulatory/metabolism
- Th17 Cells/metabolism
- Mice
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Affiliation(s)
- Shuting Wen
- The First Clinical College, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Zhuotai Zhong
- The First Clinical College, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Long He
- The First Clinical College, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Dike Zhao
- Basic Medical College, Henan University of Chinese Medicine, Zhengzhou, 450046, China
| | - Xu Chen
- Department of Gastroenterology,The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510405, China
| | - Hong Mi
- Department of Gastroenterology,The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510405, China.
| | - Fengbin Liu
- Department of Gastroenterology,The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510405, China; Baiyun Hospital of the First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, 510000, China.
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22
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A quantitative strategy of ultrasound-assisted digestion combined UPLC-MS/MS for rapid identifying species-specific peptide markers in the application of food gelatin authentication. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111590] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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23
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Liu W, Yu J, Li W, Jiang Z, Li T, Cao L, Tu P, Li J, Song Y. Simultaneous determination of eight tryptic peptides in musk using high-performance liquid chromatography coupled with tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1171:122624. [PMID: 33756451 DOI: 10.1016/j.jchromb.2021.122624] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 02/07/2021] [Accepted: 02/22/2021] [Indexed: 11/19/2022]
Abstract
In comparison of herbal medicines, less attention has been paid onto animal medicines, partially attributing to the protein-enriched property. Particularly, it is still challenging to conduct quality evaluation for the animal medicines because of the lack of a fit-for-purpose analytical tool. Herein, an attempt was made to propose a workflow allowing the quality assessment of animal medicines by LC-MS/MS, and musk that is one of the most precious traditional Chinese medicines was employed as a representative case for utility illustration. After the extraction of protein from musk with a well-defined protocol, tryptic digestion was conducted to hydrolyze proteins into peptides, and the peptide-enriched sample was subjected to nanoLC-Orbitrap MS measurement. The tandem mass spectral dataset was retrieved in Human Swiss-Prot FASTA database, and the sequences together with the sources of 733 tryptic peptides, in total, were annotated. Because of the abundant distributions, eight peptides were chosen as the analytes for quantitative measurements, and their quantitative MS parameters, such as ion transitions and collision energies, were rapid optimized in an authentic compound-free manner using online energy-resolved MS (ER-MS). On the other side, the annotated peptides were structurally consolidated via synthesizing reference peptides. When the synthetic peptides were applied for parameter optimization with the authentic compound-dependent manner, the values were almost identical with those from online ER-MS measurements. After being validated with diverse assays, the developed method was applied for the simultaneous determination of eight peptides in 28 batches of musk samples, including captive (C1-C18) and wild ones (W1-W10). Significant differences took place for the content patterns of concerned tryptic peptides between the captive and wild musk samples. Trace distributions occurred for DVDAAYMNK in most batches. Captive samples were rich of QSLEASLAETEGR, TLLDIDNTR, and EVATNSELVQSGK, whereas wild samples were able to accumulate YLGYLEQLLR. Together, the present study provided a meaningful approach for the quality evaluation of musk, as well as other peptide-enriched animal medicines, even if the absences of authentic peptides.
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Affiliation(s)
- Wenjing Liu
- Modern Research Center for Traditional Chinese Medicine, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Juan Yu
- Zhangzhou Pien-Tze-Huang Pharmaceutical Co., Ltd., Zhangzhou 3630002, China
| | - Wei Li
- Modern Research Center for Traditional Chinese Medicine, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Zhenzhen Jiang
- Zhangzhou Pien-Tze-Huang Pharmaceutical Co., Ltd., Zhangzhou 3630002, China
| | - Ting Li
- Modern Research Center for Traditional Chinese Medicine, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Libo Cao
- Modern Research Center for Traditional Chinese Medicine, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Pengfei Tu
- Modern Research Center for Traditional Chinese Medicine, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Jun Li
- Modern Research Center for Traditional Chinese Medicine, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China.
| | - Yuelin Song
- Modern Research Center for Traditional Chinese Medicine, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100029, China.
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Gu Y, Zhang J, Sun J, Yu H, Feng R, Mao X, Yang X, Zhou Y, Hu Q, Ji S. Marker peptide screening and species-specific authentication of Pheretima using proteomics. Anal Bioanal Chem 2021; 413:3167-3176. [PMID: 33687523 DOI: 10.1007/s00216-021-03254-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 02/23/2021] [Accepted: 02/26/2021] [Indexed: 10/22/2022]
Abstract
Pheretima is a common and valuable animal-derived medication used in traditional Chinese medicine. There are four species of Pheretima specified in the Chinese Pharmacopoeia (2015 edition), i.e. Pheretima aspergillum, P. vulgaris, P. guillelmi, and P. pectinifera. A recent report revealed ~ 55% of Pheretima in the commercial marketplace may be adulterated by other species, contrary to the Pharmacopoeia standard. The safety, efficacy, and authenticity of Pheretima is an important issue. Currently, the availability of specific quality-markers for the various species and effective identification methods are still limited. In this study, label-free quantification proteomics of species from Pheretima and Amynthas was carried out using nanoscale liquid chromatography coupled to tandem mass spectrometry (nano LC-MS/MS), and marker peptides were identified based on their ion intensities using multivariate data analysis (principal component analysis and supervised partial least-squares discriminant analysis). A total of 48,476 peptides with high confidence corresponding to 13,397 proteins were identified from all samples. The marker peptides were validated by comparison with synthetic peptide reference standards using LC-MS/MS operating in a multiple-reaction monitoring mode. A multiple-peptide identification strategy was proposed for the authentication of Pheretima and subsequently applied to samples obtained from retail outlets in various regions of China. The results showed that eight out of the 15 samples tested were deemed authentic Pheretima.
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Affiliation(s)
- Yufan Gu
- NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine, Shanghai Institute for Food and Drug Control, 1500 Zhangheng Road, Shanghai, 201203, China
- China State Institute of Pharmaceutical Industry, 285 Gebaini Road, Shanghai, 201203, China
| | - Jingxian Zhang
- NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine, Shanghai Institute for Food and Drug Control, 1500 Zhangheng Road, Shanghai, 201203, China
| | - Jian Sun
- NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine, Shanghai Institute for Food and Drug Control, 1500 Zhangheng Road, Shanghai, 201203, China
| | - Hong Yu
- NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine, Shanghai Institute for Food and Drug Control, 1500 Zhangheng Road, Shanghai, 201203, China
| | - Rui Feng
- NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine, Shanghai Institute for Food and Drug Control, 1500 Zhangheng Road, Shanghai, 201203, China
| | - Xiuhong Mao
- NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine, Shanghai Institute for Food and Drug Control, 1500 Zhangheng Road, Shanghai, 201203, China
| | - Xiangyun Yang
- Thermo Fisher Scientific (China) Ltd, 27 Jinqiao Road, Shanghai, 201206, China
| | - Yue Zhou
- Thermo Fisher Scientific (China) Ltd, 27 Jinqiao Road, Shanghai, 201206, China
| | - Qing Hu
- NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine, Shanghai Institute for Food and Drug Control, 1500 Zhangheng Road, Shanghai, 201203, China.
| | - Shen Ji
- NMPA Key Laboratory for Quality Control of Traditional Chinese Medicine, Shanghai Institute for Food and Drug Control, 1500 Zhangheng Road, Shanghai, 201203, China.
- China State Institute of Pharmaceutical Industry, 285 Gebaini Road, Shanghai, 201203, China.
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25
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Cai S, Zhao KX, Jiang MT, Han SY, Zheng YF, Liu X, Zhao M, Duan JA, Liu R. Collagen derived species-specific peptides for distinguishing donkey-hide gelatin (Asini Corii Colla). CHINESE HERBAL MEDICINES 2021; 13:261-266. [PMID: 36117504 PMCID: PMC9476752 DOI: 10.1016/j.chmed.2020.12.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 07/12/2020] [Accepted: 10/15/2020] [Indexed: 12/01/2022] Open
Abstract
Objective As an important food therapy product with traditional Chinese medicine (TCM) applications, donkey-hide gelatin (Asini Corii Colla, ACC) has been used for thousands of years. However, till now few effective strategy had been proposed to distinguish ACC from other animal hide gelatins, especially closely related horse- and mule-hide gelatins, which was an embarrassment of ACC quality control. Methods Combined mass spectrometry and bioinformatic methods have been applied to identify and verify two ACC-specific peptides (Pep-1 and Pep-2) capable of distinguishing ACC from other closely related animal gelatins with high selectivity. Results It confirmed that these two peptides could be not only used for distinguishing ACC from highly homologous horse-hide and mule-hide gelatins as well as other animal hide gelatins. Conclusion The present study provides a simple method for species-specific peptides discovery, which can be used for assessing the quality of animal gelatin products, and ensure they are authenticable and traceable.
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26
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Proteolysis of tilapia skin collagen: Identification and release behavior of ACE-inhibitory peptides. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2020.110502] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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27
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Liu R, Zhao L, Wang Z, Li T, Chen A, Yang S. Quantitative Detection of Donkey Hide Gelatin (Colla corii asini) Adulteration by Real-Time PCR on the Basis of Single-Copy Nuclear Genes. J Food Prot 2021; 84:194-199. [PMID: 32766834 DOI: 10.4315/jfp-20-140] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 07/31/2020] [Indexed: 11/11/2022]
Abstract
ABSTRACT Donkey hide gelatin (Colla corii asini) is well-known for its high nutritional value, especially for medicinal purposes. However, it is also a potential candidate for adulteration because of its low yield and high price. To quantitatively detect adulterated donkey hide gelatin with all possible mixed animal species, a real-time PCR approach on the basis of single-copy housekeeping nuclear reference primers was proposed in this study. For the system establishment, mixtures containing designated contents of pig hide with donkey hide were used to generate a calibration curve on the basis of the ratio of cycle threshold, CT (specificity/reference) with reasonable linearity (5 to 100%). Then, a set of experiments were performed on commercially available samples. The proposed PCR approach could specifically identify donkey hide from mixed animal products and quantify the content of donkey hide gelatin, thus facilitating control over this novel form of donkey hide gelatin adulteration. HIGHLIGHTS
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Affiliation(s)
- Rui Liu
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, People's Republic of China
| | - Luyao Zhao
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, People's Republic of China
| | - Zhiying Wang
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, People's Republic of China
| | - Tong Li
- Inspection and Testing Center of Agricultural and Livestock Products of Tibet, Lhasa 850000, People's Republic of China
| | - Ailiang Chen
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, People's Republic of China
| | - Shuming Yang
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, People's Republic of China
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28
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Tang XM, Guo JL, Chen L, Ho PCL. Application for proteomics analysis technology in studying animal-derived traditional Chinese medicine: A review. J Pharm Biomed Anal 2020; 191:113609. [PMID: 32966940 DOI: 10.1016/j.jpba.2020.113609] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 08/28/2020] [Accepted: 08/29/2020] [Indexed: 10/23/2022]
Abstract
Different therapeutically active ingredients, from plants, animals, and mineral sources, are prescribed as traditional Chinese medicines (TCM). TCMs, from animal sources, are rich in proteins and peptides. Different advanced proteomics technologies, such as two-dimensional gel electrophoresis (2-DE), multi-dimensional liquid chromatography (MDLC), matrix-assisted laser desorption/ionization-time of flight mass spectrometry (MALDI-TOF-MS), and isobaric tags for relative and absolute quantitation (iTRAQ), have been applied to analyze TCMs, from animal sources. This paper reviews the common proteomic techniques for analyzing animal - derived TCMs. Various scientific studies have reported the application of proteomics for locating drug targets, identifying active components, and elucidating the mechanisms of action of animal - derived TCMs. However, these researches are still at the preliminary stage. This review has also discussed the existing challenges and future directions in this field of research.
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Affiliation(s)
- Xue-Mei Tang
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Jin-Lin Guo
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Lu Chen
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
| | - Paul Chi-Lui Ho
- Department of Pharmacy, National University of Singapore, 18 Science Drive 4, Singapore 117543, Singapore.
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29
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Bennett R, Pfuderer S. The Potential for New Donkey Farming Systems to Supply the Growing Demand for Hides. Animals (Basel) 2020; 10:E718. [PMID: 32326062 PMCID: PMC7222848 DOI: 10.3390/ani10040718] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 03/24/2020] [Accepted: 04/09/2020] [Indexed: 12/13/2022] Open
Abstract
The demand for donkey hides for ejiao, a Traditional Chinese Medicine, has resulted in rapidly increasing prices for donkey hides and donkeys. This has put pressure on donkey populations globally and has implications for donkey welfare and the livelihoods of those who rely on donkeys as working animals. The aim of the research was to explore the feasibility of setting up new donkey farming systems to supply the rising demand for ejiao using a system dynamics model of donkey production. Results show that the size of the initial female breeding herd, reproductive performance, age of reproduction, percentage of female births and average breeding life of donkeys are key variables affecting the time to build up the donkey population to supply the demand for hides, which will be at least ten to fifteen years. The implications of this are: (i) prices for donkey hides will continue to increase, (ii) companies producing ejiao will use other ingredients, (iii) China will continue to source donkey hides from around the world, and (iv) there will be continued theft and illegal trade of donkeys and concerns for rural households reliant on donkeys for their livelihoods and adverse impacts on donkey welfare.
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Affiliation(s)
- Richard Bennett
- School of Agriculture, Policy and Development, University of Reading, Reading RG6 6AR, UK;
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30
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Sheu SC, Huang JY, Lien YY, Lee MS. Specific, sensitive and rapid authentication of donkey-hide gelatine ( Colla corii asini) in processed food using an isothermal nucleic acid amplification assay. Journal of Food Science and Technology 2020; 57:2877-2883. [PMID: 32624593 DOI: 10.1007/s13197-020-04319-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 02/19/2020] [Accepted: 03/03/2020] [Indexed: 11/29/2022]
Abstract
Donkey-hide gelatine (DHG) is a well-known, animal-derived traditional Chinese medicine material called Colla corii asini (known in Chinese as "E'jiao"). Because DHG is claimed to have properties that are beneficial to health, its consumption has increased, but its production has decreased. Thus, the incidence of DHG adulteration has become increasingly serious. In this study, a loop-mediated isothermal amplification (LAMP) assay was developed for the authentication of DHG. Identification of donkey DNA from DHG was performed specifically and rapidly within one hour by LAMP primers. Moreover, the sensitivity of LAMP in authenticating DHG was 10-3 ng, which revealed a 105-fold higher sensitivity than that of conventional PCR. The relative detection limit was 0.1% DHG in the adulterants, including gelatines of horse, cow, pork, goat, sheep or chicken origins. When genomic DNAs extracted from heat-treated DHG samples, including boiling or autoclaving for 40 min, were used as templates, DHG detection by LAMP was unchanged and reproducible. In conclusion, the LAMP assay established herein could potentially be applied for the authentication of DHG and DHG-related products in herbal or food markets.
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Affiliation(s)
- Shyang-Chwen Sheu
- Department of Food Science, National Pingtung University of Science and Technology, No. 1, Shuefu Road, Neipu, 91201 Pingtung Taiwan, ROC
| | - Jhong-Yong Huang
- Department of Food Science, National Pingtung University of Science and Technology, No. 1, Shuefu Road, Neipu, 91201 Pingtung Taiwan, ROC
| | - Yi-Yang Lien
- Department of Veterinary Medicine, National Pingtung University of Science and Technology, No. 1, Shuefu Road, Neipu, 91201 Pingtung Taiwan, ROC.,Research Center of Animal Biologics, National Pingtung University of Science and Technology, No. 1, Shuefu Road, Neipu, Pingtung Taiwan, ROC
| | - Meng-Shiou Lee
- Department of Chinese Pharmaceutical Science and Chinese Medicine Resources, China Medical University, No. 91, Hsueh-Shih Road, Taichung, 40402 Taiwan, ROC
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A strategy for identifying species-specific peptide biomarkers in deer-hide gelatin using untargeted and targeted mass spectrometry approaches. Anal Chim Acta 2019; 1092:32-41. [DOI: 10.1016/j.aca.2019.09.064] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Revised: 09/14/2019] [Accepted: 09/23/2019] [Indexed: 11/17/2022]
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32
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Zhang Y, Ye T, Gong S, Hong Z, Zhou X, Liu H, Qu H, Qian J. RNA-sequencing based bone marrow cell transcriptome analysis reveals the potential mechanisms of E'jiao against blood-deficiency in mice. Biomed Pharmacother 2019; 118:109291. [PMID: 31401395 DOI: 10.1016/j.biopha.2019.109291] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 07/20/2019] [Accepted: 07/31/2019] [Indexed: 02/05/2023] Open
Abstract
As a health-care food and traditional Chinese medicine, E'jiao, from the skin of Equus animus L, has been used to nourish blood in China for more than 2000 years. In modern medicine, there are also evidences indicate it has a beneficial effect on chemotherapy-caused blood deficiency. However, its mechanism of action for blood invigoration remains unclear. In the present study, we investigated the hematopoietic effect of E'jiao in 5-Fluorouracil-treated mice. In addition to the counting of bone marrow nucleated cells (BMNCs), flow cytometry was used to detect the population of hematopoietic stem cells (HSCs), and colony-forming unit (CFU) was used to assay the differentiation ability of hematopoietic progenitor cells (HPCs). Gene expression profiles of bone marrow cells were obtained from RNA sequencing (RNA-seq) and differentially expressed genes (DEGs) were analyzed with an emphasis on hematopoiesis-related pathways. The results show that E'jiao promotes the proliferation of both BMNCs and HSCs, as well as the differentiation of HPCs. By providing a hematopoiesis-related molecular regulatory network of E'jiao, we point out that the mechanism of E'jiao is associated with pathways including ECM-receptor interaction, Wnt signaling pathway, PI3K-Akt signaling pathway, TGF-beta signaling pathway, Hematopoietic cell lineage and Osteoclast differentiation, in which Ibsp, Col1a1, Col1a2, Notum, Sost, Dkk1, Irx5, Irx3 and Dcn are the key regulatory molecules. These findings provide valuable molecular basis for the mechanism of action of E'jiao.
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Affiliation(s)
- Yan Zhang
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China; National Engineering Research Center for Gelatin-based Traditional Chinese Medicine, Dong-E-E-Jiao Co., Ltd., Liaocheng, China
| | - Tingting Ye
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Shuqing Gong
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Zhuping Hong
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Xiangshan Zhou
- National Engineering Research Center for Gelatin-based Traditional Chinese Medicine, Dong-E-E-Jiao Co., Ltd., Liaocheng, China
| | - Haibin Liu
- National Engineering Research Center for Gelatin-based Traditional Chinese Medicine, Dong-E-E-Jiao Co., Ltd., Liaocheng, China.
| | - Haibin Qu
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China.
| | - Jing Qian
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China.
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Yang YY, Yang FQ, Gao JL. Differential proteomics for studying action mechanisms of traditional Chinese medicines. Chin Med 2019; 14:1. [PMID: 30636970 PMCID: PMC6325846 DOI: 10.1186/s13020-018-0223-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Accepted: 12/31/2018] [Indexed: 12/13/2022] Open
Abstract
Differential proteomics, which has been widely used in studying of traditional Chinese medicines (TCMs) during the past 10 years, is a powerful tool to visualize differentially expressed proteins and analyzes their functions. In this paper, the applications of differential proteomics in exploring the action mechanisms of TCMs on various diseases including cancers, cardiovascular diseases, diabetes, liver diseases, kidney disorders and obesity, etc. were reviewed. Furthermore, differential proteomics in studying of TCMs identification, toxicity, processing and compatibility mechanisms were also included. This review will provide information for the further applications of differential proteomics in TCMs studies.
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Affiliation(s)
- Yi-Yao Yang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 401331 People’s Republic of China
| | - Feng-Qing Yang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 401331 People’s Republic of China
| | - Jian-Li Gao
- Academy of Chinese Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053 Zhejiang People’s Republic of China
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Guo S, Xu X, Zhou X, Huang Y. A rapid and simple UPLC-MS/MS method using collagen marker peptides for identification of porcine gelatin. RSC Adv 2018; 8:3768-3773. [PMID: 35542904 PMCID: PMC9077692 DOI: 10.1039/c7ra12539a] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Accepted: 01/12/2018] [Indexed: 01/13/2023] Open
Abstract
Gelatin, which is mainly derived from bovine and porcine sources, has been used in many foods and pharmaceutical products. To ensure the compliance of food products with halal regulations, reliable analytical methods are very much required. In this study, one unique marker peptide for porcine gelatins was selected to develop an UPLC-MS/MS multiple reaction monitoring method. The capability of this method to identify porcine materials was demonstrated by analyzing in-house-made gelatins containing different amounts of porcine gelatins and commercial gelatin products. The adulteration of porcine gelatin could be sensitively detected at a low level of 0.04%. When combined with HPLC and mass spectrometry, this method is an accurate and sensitive quantitative method to identify porcine gelatins. Thus, the strategy can be used to verify halal authenticity of gelatin. Gelatin, which is mainly derived from bovine and porcine sources, has been used in many foods and pharmaceutical products.![]()
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Affiliation(s)
- Shangwei Guo
- Beijing Laboratory of Biomedical Materials
- Beijing University of Chemical Technology
- Beijing 100029
- China
- Dong'e E-jiao Co., Ltd
| | - Xiaobing Xu
- Beijing Laboratory of Biomedical Materials
- Beijing University of Chemical Technology
- Beijing 100029
- China
| | - Xiangshan Zhou
- Dong'e E-jiao Co., Ltd
- National Engineering Research Center for Gelatine TCM
- Liaocheng 252201
- China
| | - Yaqin Huang
- Beijing Laboratory of Biomedical Materials
- Beijing University of Chemical Technology
- Beijing 100029
- China
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Liu L, Jin L, Yang J, Wu B, Zhang Y, Han Y, Wang C, Xing L. [Effect of collagen peptides from walleye pollock skin on bone microstructure of ovariectomized rats]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2017; 31:1214-1219. [PMID: 29806323 DOI: 10.7507/1002-1892.201704130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Objective To investigate the effect of collagen peptides from walleye pollock skin on the microstructure of osteoporosis model in ovariectomized rats, and to explore the feasibility of preventing and treating oste- oporosis. Methods Sixty adult Wistar female rats, weighing (250±10) g, were randomly divided into 5 groups (12 rats each group): normal group (group A), osteoporosis model group (group B), osteoporosis model+collagen peptides from walleye pollock skin prevention group (group C), osteoporosis model+low concentration of collagen peptides from walleye pollock skin treatment group (group D), and osteoporosis model+high concentration of collagen peptides from walleye pollock skin treatment group (group E). The rats in groups B, C, D, and E were removed bilateral ovarian to establish osteoporosis model. The rats in group C were treated with stomach perfusion of the collagen peptides from walleye pollock skin (1.0 g/kg) from 4 weeks after operation for 6 weeks; and the rats in groups D and E were treated with stomach perfusion of the collagen peptides from walleye pollock skin (0.5, 1.0 g/kg respectively) at 6 weeks after operation for 6 weeks. The rats in groups A and B were given equal volume of normal saline at the same time after operation. At 24 hours after the last administration, the femoral gray value of rats in groups A and B were measured by X-ray film; HE staining was performed on the proximal tibial bone of the left side in 4 groups; the histopathological changes of the bone were observed and the trabecular number (TN), mean trabecular plate thickness (MTPT), mean trabecular plate spacing (MTPS), trabecular bone volume (TBV), mean bone cortical thickness (MBCT) were measured; immunohistochemical staining was performed to observe the expression levels of caltitonin receptor (CTR) and interleukin 1 (IL-1). Results The femoral gray value of group B was significantly lower than that of group A ( t=45.130, P=0.000), which indicated that the ovariectomized rat model was successfully prepared. Histological observation showed that TN, MTPS, TBV, and MBCT in groups A, C, and E were significantly different from those in group B ( P<0.05). The histological parameters of bone tissue in group C were significantly different from those in groups D and E ( P<0.05). TN, MTPS, TBV, and MBCT in group D were significantly different from those in group A ( P<0.05); only MTPS in group E was significantly different from that in group A ( P<0.05). MTPS, TBV, and MBCT in group E were significantly different from those in group D ( P<0.05). The immunohistochemical staining showed that the levels of CTR and IL-1 in groups A, C, D, and E were lower than those in group B, in groups C and E were lower than in group D, showing significant differences ( P<0.05). Conclusion Collagen peptides from walleye pollock skin can improve the bone microstructure of osteoporotic rats, and its mechanism may be related to the inhibition of CTR and IL-1 expression in bone tissue, but it has not been found to prevent osteoporosis.
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Affiliation(s)
- Lu Liu
- Institute of Integrative Medicine, Qingdao University Medical College, Qingdao Shandong, 266021, P.R.China
| | - Lixin Jin
- Department of Anatomy, Qingdao University Medical College, Qingdao Shandong, 266071, P.R.China
| | - Jieru Yang
- School of Clinical Medicine, Qingdao University Medical College, Qingdao Shandong, 266071, P.R.China
| | - Binbin Wu
- Department of Joint Surgery, Qingdao Haici Medical Group, Qingdao Shandong, 266033, P.R.China
| | - Yimeng Zhang
- School of Clinical Medicine, Qingdao University Medical College, Qingdao Shandong, 266071, P.R.China
| | - Yantao Han
- School of Pharmacy, Qingdao University, Qingdao Shandong, 266071, P.R.China
| | - Chunbo Wang
- School of Pharmacy, Qingdao University, Qingdao Shandong, 266071, P.R.China
| | - Lifeng Xing
- Department of Joint Surgery, Qingdao Haici Medical Group, Qingdao Shandong, 266033,
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