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Ren F, Dai J, Zhang J, Luan Y, Yang F, Shen J, Liu H, Zhou J. A magnetic calcium phosphate for selective capture of multi-phosphopeptides. J Chromatogr B Analyt Technol Biomed Life Sci 2024; 1238:124110. [PMID: 38603891 DOI: 10.1016/j.jchromb.2024.124110] [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: 12/14/2023] [Revised: 03/19/2024] [Accepted: 03/27/2024] [Indexed: 04/13/2024]
Abstract
The specific enrichment of multi-phosphopeptides in the presence of non-phosphopeptides and mono-phosphopeptides was still a challenge for phosphoproteomics research. Most of these enrichment materials relied on Zn, Ti, Sn, and other rare precious metals as the bonding center to enrich multi-phosphopeptides while ignoring the use of common metal elements. The addition of rare metals increased the cost of the experiment, which was not conducive to their large-scale application in biomedical proteomics laboratories. In addition, multiple high-speed centrifugation steps also resulted in the loss of low-abundance multi-phosphopeptides in the treatment procedure of biological samples. This study proposed the use of calcium, a common element, as the central bonding agent for synthesizing magnetic calcium phosphate materials (designated as CaP-Fe3O4). These materials aim to capture multi-phosphopeptides and identifying phosphorylation sites. The current results demonstrate that CaP-Fe3O4 exhibited excellent selection specificity, high sensitivity, and stability in the enrichment of multi-phosphopeptides and the identification of phosphorylation sites. Additionally, the introduction of magnetic separation not only reduced the time required for multi-phosphopeptides enrichment but also prevented the loss of these peptides during high-speed centrifugation. These findings contribute to the widespread application and advancement of phosphoproteomics research.
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Affiliation(s)
- FangKun Ren
- College of Life Sciences, Jiangsu Key Laboratory Biofunctional Materials, Nanjing Normal University, Nanjing 210023, China
| | - JunYong Dai
- College of Life Sciences, Jiangsu Key Laboratory Biofunctional Materials, Nanjing Normal University, Nanjing 210023, China
| | - JingYi Zhang
- College of Life Sciences, Jiangsu Key Laboratory Biofunctional Materials, Nanjing Normal University, Nanjing 210023, China
| | - YanFei Luan
- College of Life Sciences, Jiangsu Key Laboratory Biofunctional Materials, Nanjing Normal University, Nanjing 210023, China
| | - Fan Yang
- College of Life Sciences, Jiangsu Key Laboratory Biofunctional Materials, Nanjing Normal University, Nanjing 210023, China
| | - Jian Shen
- College of Life Sciences, Jiangsu Key Laboratory Biofunctional Materials, Nanjing Normal University, Nanjing 210023, China
| | - HaiLong Liu
- College of Life Sciences, Jiangsu Key Laboratory Biofunctional Materials, Nanjing Normal University, Nanjing 210023, China.
| | - JiaHong Zhou
- College of Life Sciences, Jiangsu Key Laboratory Biofunctional Materials, Nanjing Normal University, Nanjing 210023, China.
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Ying D, Wang Z, Zheng Y, Cai J, Zhang L. Insight into Morphology Change of Chitin Microspheres using Tertiary Butyl Alcohol/H 2 O Binary System Freeze-Drying Method. Macromol Rapid Commun 2020; 42:e2000502. [PMID: 33205586 DOI: 10.1002/marc.202000502] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/02/2020] [Indexed: 11/07/2022]
Abstract
The morphology of materials usually plays a significant role in their applications; the mechanical properties of the materials and characteristics such as specific surface area, surface energy, adsorbability, and wettability are dependent on the morphology. This study is focused on studying the effects of different tertiary butyl alcohol (TBA) aqueous solutions on the freeze-dried morphologies of chitin microspheres (CMs). By constructing a TBA/H2 O phase diagram, the underlying mechanisms of morphology change are explored. It is found that by freeze drying the CMs with 20 and 100 wt% TBA, a fine nanofiber weaved pore structure can be obtained. Away from these two ratios, the nanofibers are oppressed by the large crystals formed during the precool process or bind together due to the existence of water in the secondary drying stage, poor morphology and pore characteristics appearing. Moreover, the 20 wt% TBA freeze-drying route is conducive to split the CMs and other polysaccharide (PS) microspheres. The split method is also helpful for exploring the internal structure of the microspheres. Therefore, this study makes it possible to simplify the morphology control of CMs, which helps in the characterization of porous PS-based microspheres.
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Affiliation(s)
- Daofa Ying
- College of Chemistry and Molecular Sciences, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan University, Wuhan, 430072, China
| | - Zhenggang Wang
- Department of Agricultural, Food and Nutritional Science, University of Alberta, 116 St & 85 Ave, AB T6G 2R3, Alberta, Canada
| | - Yiran Zheng
- College of Chemistry and Molecular Sciences, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan University, Wuhan, 430072, China
| | - Jie Cai
- College of Chemistry and Molecular Sciences, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan University, Wuhan, 430072, China
| | - Lina Zhang
- College of Chemistry and Molecular Sciences, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan University, Wuhan, 430072, China
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Sürmen MG, Sürmen S, Ali A, Musharraf SG, Emekli N. Phosphoproteomic strategies in cancer research: a minireview. Analyst 2020; 145:7125-7149. [PMID: 32996481 DOI: 10.1039/d0an00915f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Understanding the cellular processes is central to comprehend disease conditions and is also true for cancer research. Proteomic studies provide significant insight into cancer mechanisms and aid in the diagnosis and prognosis of the disease. Phosphoproteome is one of the most studied complements of the whole proteome given its importance in the understanding of cellular processes such as signaling and regulations. Over the last decade, several new methods have been developed for phosphoproteome analysis. A significant amount of these efforts pertains to cancer research. The current use of powerful analytical instruments in phosphoproteomic approaches has paved the way for deeper and sensitive investigations. However, these methods and techniques need further improvements to deal with challenges posed by the complexity of samples and scarcity of phosphoproteins in the whole proteome, throughput and reproducibility. This review aims to provide a comprehensive summary of the variety of steps used in phosphoproteomic methods applied in cancer research including the enrichment and fractionation strategies. This will allow researchers to evaluate and choose a better combination of steps for their phosphoproteome studies.
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Affiliation(s)
- Mustafa Gani Sürmen
- Department of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey
| | - Saime Sürmen
- Department of Molecular Medicine, Aziz Sancar Institute of Experimental Medicine, Istanbul University, Istanbul, Turkey
| | - Arslan Ali
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan.
| | - Syed Ghulam Musharraf
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan.
| | - Nesrin Emekli
- Department of Medical Biochemistry, Faculty of Medicine, Istanbul Medipol University, Istanbul, Turkey
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Dai L, Sun Z, Zhou P. Modification of Luffa Sponge for Enrichment of Phosphopeptides. Int J Mol Sci 2019; 21:ijms21010101. [PMID: 31877829 PMCID: PMC6982136 DOI: 10.3390/ijms21010101] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 12/15/2019] [Accepted: 12/18/2019] [Indexed: 12/15/2022] Open
Abstract
The enrichment technique is crucial to the comprehensive analysis of protein phosphorylation. In this work, a facile, green and efficient synthetic method was set up for quaternization of luffa sponge. The resultant luffa sponge showed strong anion-exchange characteristics and a high adsorption ability for phosphate ions. Along with the unique physical properties, e.g., tenacity and porous texture, quaternized luffa sponge was demonstrated to be a well-suited solid-phase extraction (SPE) material. The quaternized luffa sponge-based SPE method was simple, cost-effective and convenient in operation, and was successfully applied to the capture of phosphopeptides from protein digests. The enrichment approach exhibited exceptionally high selectivity, sensitivity and strong anti-interference ability. Four phosphopeptides were still detected by using the digest mixture of β-casein and bovine serum albumin with a molar ratio of 1:100. 21 phosphopeptides were identified from the tryptic digest of non-fat milk.
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Layer-by-layer assembled magnetic bimetallic metal-organic framework composite for global phosphopeptide enrichment. J Chromatogr A 2019; 1601:45-52. [DOI: 10.1016/j.chroma.2019.05.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Revised: 05/08/2019] [Accepted: 05/09/2019] [Indexed: 12/22/2022]
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Thermoresponsive polymer brushes on magnetic chitosan microspheres: Synthesis, characterization and application in oily water of high salinity. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.04.069] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Song H, Wu H, Li S, Tian H, Li Y, Wang J. Homogeneous Synthesis of Cationic Chitosan via New Avenue. Molecules 2018; 23:E1921. [PMID: 30071648 PMCID: PMC6222707 DOI: 10.3390/molecules23081921] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 07/20/2018] [Accepted: 07/24/2018] [Indexed: 01/22/2023] Open
Abstract
Using a solvent formed of alkali and urea, chitosan was successfully dissolved in a new solvent via the freezing⁻thawing process. Subsequently, quaternized chitosan (QC) was synthesized using 3-chloro-2-hydroxypropyl trimethyl ammonium chloride (CHPTAC) as the cationic reagent under different incubation times and temperatures in a homogeneous system. QCs cannot be synthesized at temperatures above 60 °C, as gel formation will occur. The structure and properties of the prepared QC were characterized and quaternary groups were comfirmed to be successfully incorporated onto chitosan backbones. The degree of substitution (DS) ranged from 16.5% to 46.8% and the yields ranged from 32.6% to 89.7%, which can be adjusted by changing the molar ratio of the chitosan unit to CHPTAC and the reaction time. QCs inhibits the growth of Alicyclobacillus acidoterrestris effectively. Thus, this work offers a simple and green method of functionalizing chitosan and producing quaternized chitosan with an antibacterial effect for potential applications in the food industry.
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Affiliation(s)
- Huanlu Song
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology & Business University (BTBU), Beijing 100048, China.
| | - Hao Wu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology & Business University (BTBU), Beijing 100048, China.
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China.
| | - ShuJing Li
- Beijing Key Lab of Plant Resource Research and Development, Beijing Technology and Business University, Beijing 100048, China.
| | - Huafeng Tian
- Beijing Key Laboratory of Quality Evaluation Technology for Hygiene and Safety of Plastics, Beijing Technology and Business University (BTBU), Beijing 100048, China.
| | - YanRu Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China.
| | - JianGuo Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology & Business University (BTBU), Beijing 100048, China.
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China.
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