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Auzino B, Miranda G, Henry C, Krupova Z, Martini M, Salari F, Cosenza G, Ciampolini R, Martin P. Top-Down proteomics based on LC-MS combined with cDNA sequencing to characterize multiple proteoforms of Amiata donkey milk proteins. Food Res Int 2022; 160:111611. [DOI: 10.1016/j.foodres.2022.111611] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 06/08/2022] [Accepted: 06/29/2022] [Indexed: 11/24/2022]
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Criscione A, Cunsolo V, Tumino S, Di Francesco A, Bordonaro S, Muccilli V, Saletti R, Marletta D. Polymorphism at donkey β-lactoglobulin II locus: identification and characterization of a new genetic variant with a very low expression. Amino Acids 2018; 50:735-746. [PMID: 29572574 DOI: 10.1007/s00726-018-2555-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Accepted: 03/13/2018] [Indexed: 12/19/2022]
Abstract
In the last years, donkey milk had evidenced a renewed interest as a potential functional food and a breast milk substitute. In this light, the study of the protein composition assumes an important role. In particular, β-lactoglobulin (β-LG), which is considered as one of the main allergenic milk protein, in donkey species consists of two molecular forms, namely β-LG I and β-LG II. In the present research, a genetic analysis coupled with a proteomic approach showed the presence of a new allele, here named F, which is apparently associated with a null or a severely reduced expression of β-LG II protein. The new β-LG II F genetic variant shows a theoretical average mass (Mav) of 18,310.64 Da, a value practically corresponding with that of the variant D (∆mass < 0.07 Da), but differs from β-LG II D for two amino acid substitutions: Thr100 (variant F) → Ala100 (variant D) and Thr118 (variant F) → Met118 (variant D). Proteomic investigation of the whey protein fraction of an individual milk sample, homozygous FF at β-LG II locus, allowed to identify, as very minor component, the new β-LG II F genetic variant. By MS/MS analysis of enzymatic digests, the sequence of the β-LG II F was characterized, and the predicted genomic data confirmed.
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Affiliation(s)
- Andrea Criscione
- Animal Production Section, Department of Agriculture, Food and Environment, University of Catania, Via Valdisavoia 5, 95123, Catania, Italy
| | - Vincenzo Cunsolo
- Department of Chemical Sciences, University of Catania, Viale A. Doria 6, 95125, Catania, Italy.
| | - Serena Tumino
- Animal Production Section, Department of Agriculture, Food and Environment, University of Catania, Via Valdisavoia 5, 95123, Catania, Italy
| | - Antonella Di Francesco
- Department of Chemical Sciences, University of Catania, Viale A. Doria 6, 95125, Catania, Italy
| | - Salvatore Bordonaro
- Animal Production Section, Department of Agriculture, Food and Environment, University of Catania, Via Valdisavoia 5, 95123, Catania, Italy
| | - Vera Muccilli
- Animal Production Section, Department of Agriculture, Food and Environment, University of Catania, Via Valdisavoia 5, 95123, Catania, Italy
| | - Rosaria Saletti
- Department of Chemical Sciences, University of Catania, Viale A. Doria 6, 95125, Catania, Italy
| | - Donata Marletta
- Animal Production Section, Department of Agriculture, Food and Environment, University of Catania, Via Valdisavoia 5, 95123, Catania, Italy
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Massouras T, Triantaphyllopoulos KA, Theodossiou I. Chemical composition, protein fraction and fatty acid profile of donkey milk during lactation. Int Dairy J 2017. [DOI: 10.1016/j.idairyj.2017.06.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Li Z, Wen F, Li Z, Zheng N, Jiang J, Xu D. Simultaneous detection of α-Lactoalbumin, β-Lactoglobulin and Lactoferrin in milk by Visualized Microarray. BMC Biotechnol 2017; 17:72. [PMID: 28899371 PMCID: PMC5596914 DOI: 10.1186/s12896-017-0387-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2017] [Accepted: 08/01/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND α-Lactalbumin (a-LA), β-lactoglobulin (β-LG) and lactoferrin (LF) are of high nutritional value which have made ingredients of choice in the formulation of modern foods and beverages. There remains an urgent need to develop novel biosensing methods for quantification featuring reduced cost, improved sensitivity, selectivity and more rapid response, especially for simultaneous detection of multiple whey proteins. RESULTS A novel visualized microarray method was developed for the determination of a-LA, β-LG and LF in milk samples without the need for complex or time-consuming pre-treatment steps. The measurement principle was based on the competitive immunological reaction and silver enhancement technique. In this case, a visible array dots as the detectable signals were further amplified and developed by the silver enhancement reagents. The microarray could be assayed by the microarray scanner. The detection limits (S/N = 3) were estimated to be 40 ng/mL (α-LA), 50 ng/mL (β-LG), 30 ng/mL (LF) (n = 6). CONCLUSIONS The method could be used to simultaneously analyze the whey protein contents of various raw milk samples and ultra-high temperature treated (UHT) milk samples including skimmed milk and high calcium milk. The analytical results were in good agreement with that of the high performance liquid chromatography. The presented visualized microarray has showed its advantages such as high-throughput, specificity, sensitivity and cost-effective for analysis of various milk samples.
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Affiliation(s)
- Zhoumin Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, China.,School of Chemistry and Biological Science, Nanjing University Jingling College, Nanjing, 210089, China
| | - Fang Wen
- Ministry of Agriculture-Key Laboratory of Quality & Safety Control for Milk and Dairy Products, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, People's Republic of China
| | - Zhonghui Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, China
| | - Nan Zheng
- Ministry of Agriculture-Key Laboratory of Quality & Safety Control for Milk and Dairy Products, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, People's Republic of China.
| | - Jindou Jiang
- Ministry of Agriculture Dairy Quality Supervision and Testing Center, Harbin, 150090, China
| | - Danke Xu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, China.
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Proteins and bioactive peptides from donkey milk: The molecular basis for its reduced allergenic properties. Food Res Int 2017; 99:41-57. [PMID: 28784499 DOI: 10.1016/j.foodres.2017.07.002] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 06/29/2017] [Accepted: 07/02/2017] [Indexed: 12/18/2022]
Abstract
The legendary therapeutics properties of donkey milk have recently been supported by many clinical trials who have clearly demonstrated that, even if with adequate lipid integration, it may represent a valid natural substitute of cow milk for feeding allergic children. During the last decade many investigations by MS-based methods have been performed in order to obtain a better knowledge of donkey milk proteins. The knowledge about the primary structure of donkey milk proteins now may provide the basis for a more accurate comprehension of its potential benefits for human nutrition. In this aspect, experimental data today available clearly demonstrate that donkey milk proteins (especially casein components) are more closely related with the human homologues rather than cow counterparts. Moreover, the low allergenic properties of donkey milk with respect to cow one seem to be related to the low total protein content, the low ratio of caseins to whey fraction, and finally to the presence in almost all bovine IgE-binding linear epitopes of multiple amino acid differences with respect to the corresponding regions of donkey milk counterparts.
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Polyphemus, Odysseus and the ovine milk proteome. J Proteomics 2017; 152:58-74. [DOI: 10.1016/j.jprot.2016.10.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Revised: 09/21/2016] [Accepted: 10/20/2016] [Indexed: 12/12/2022]
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Gallina S, Saletti R, Cunsolo V, Muccilli V, Foti S, Roepstorff P, Rasmussen MI. Site-specific glycosylation of donkey milk lactoferrin investigated by high-resolution mass spectrometry. Amino Acids 2016; 48:2799-2808. [DOI: 10.1007/s00726-016-2315-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Accepted: 08/16/2016] [Indexed: 12/22/2022]
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Brinkmann J, Jagannathan V, Drögemüller C, Rieder S, Leeb T, Thaller G, Tetens J. DNA-based analysis of protein variants reveals different genetic variability of the paralogous equine ß-lactoglobulin genes LGB1 and LGB2. Livest Sci 2016. [DOI: 10.1016/j.livsci.2016.03.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Aspri M, Economou N, Papademas P. Donkey milk: An overview on functionality, technology, and future prospects. FOOD REVIEWS INTERNATIONAL 2016. [DOI: 10.1080/87559129.2016.1175014] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Sequence characterization and glycosylation sites identification of donkey milk lactoferrin by multiple enzyme digestions and mass spectrometry. Amino Acids 2016; 48:1569-80. [DOI: 10.1007/s00726-016-2209-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Accepted: 02/29/2016] [Indexed: 10/22/2022]
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Polidori P, Beghelli D, Mariani P, Vincenzetti S. Donkey milk production: state of the art. ITALIAN JOURNAL OF ANIMAL SCIENCE 2016. [DOI: 10.4081/ijas.2009.s2.677] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Paolo Polidori
- Dipartimento di Scienze Ambientali, Università di Camerino, Italy
| | - Daniela Beghelli
- Dipartimento di Scienze Ambientali, Università di Camerino, Italy
| | | | - Silvia Vincenzetti
- Dipartimento di Scienze Morfologiche e Biochimiche Comparate, Università di Camerino, Italy
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Brumini D, Criscione A, Bordonaro S, Vegarud GE, Marletta D. Whey proteins and their antimicrobial properties in donkey milk: a brief review. ACTA ACUST UNITED AC 2015. [DOI: 10.1007/s13594-015-0246-1] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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14
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Piovesana S, Capriotti AL, Cavaliere C, La Barbera G, Samperi R, Zenezini Chiozzi R, Laganà A. Peptidome characterization and bioactivity analysis of donkey milk. J Proteomics 2015; 119:21-9. [PMID: 25668324 DOI: 10.1016/j.jprot.2015.01.020] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Revised: 01/27/2015] [Accepted: 01/28/2015] [Indexed: 11/15/2022]
Abstract
UNLABELLED Donkey milk is an interesting commercial product for its nutritional values, which make it the most suitable mammalian milk for human consumption, and for the bioactivity associated with it and derivative products. To further mine the characterization of donkey milk, an extensive peptidomic study was performed. Two peptide purification strategies were compared to remove native proteins and lipids and enrich the peptide fraction. In one case the whole protein content was precipitated by organic solvent using cold acetone. In the other one the precipitation of the most abundant milk proteins, caseins, was performed under acidic conditions by acetic acid at pH4.6, instead. The procedures were compared and proved to be partially complementary. Considered together they provided 1330 peptide identifications for donkey milk, mainly coming from the most abundant proteins in milk. The bioactivity of the isolated peptides was also investigated, both by angiotensin-converting-enzyme inhibitory and antioxidant activity assays and by bioinformatics, proving that the isolated peptides did have the tested biological activities. BIOLOGICAL SIGNIFICANCE The rationale behind this study is that peptides in food matrices often play an important biological role and, despite the extensive study of the protein composition of different samples, they remain poorly characterized. In fact, in a typical shotgun proteomics study endogenous peptides are not properly characterized. In proteomics workflows one limiting point is the isolation process: if it is specific for the purification of proteins, it often comprises a precipitation step which aims at isolating pure protein pellets and remove unwonted interferent compounds. In this way endogenous peptides, which are not effectively precipitated as well as proteins, are removed too and not analyzed at the end of the process. Moreover, endogenous peptides do often originate from precursor proteins, but in phenomena which are independent of the shotgun digestion protocol, thus they can be obtained from cleavage specificities other than trypsin's, which is the main proteolytic enzyme employed in proteomic experiments. For this reason, in the end, database search will not be effective for identification of these peptides, thus the need to provide different workflows for peptide analysis. In the work presented in this paper this issue is considered for the first time for the analysis of the peptides isolated in donkey milk samples, which have been chosen for its nutritional interest. This study provides additional knowledge on this milk, already characterized by traditional proteomics studies and peptidomic studies after simulated digestion. This type of study is not just a description of the naturally occurring peptidome of a sample, but also represents a starting point to discover and characterize those naturally occurring peptides responsible for the observed bioactivities of biological samples, as in the case of donkey milk, which would remain uncharacterized by other approaches. In this paper an analytical protocol was described for the efficient isolation and purification of peptides in donkey milk, assessing the effect of the purification protocol on the final identifications. Purified peptide samples were also checked to empirically elucidate any ACE inhibitory or antioxidant activity. Finally, the peptidomic results were also further mined by a bioinformatic-driven approach for bioactive peptide identification in the donkey milk samples. In our opinion, the main strengths of this study are related to the improved analytical workflow (either as purification protocol comparison or analytical platform development) which provides a high number of identified peptides, for which the biological significance as potential bioactive peptides has also been investigated.
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Affiliation(s)
- Susy Piovesana
- Dipartimento di Chimica, Sapienza Università di Roma, Piazzale Aldo Moro 5, 00185 Rome, Italy.
| | - Anna Laura Capriotti
- Dipartimento di Chimica, Sapienza Università di Roma, Piazzale Aldo Moro 5, 00185 Rome, Italy.
| | - Chiara Cavaliere
- Dipartimento di Chimica, Sapienza Università di Roma, Piazzale Aldo Moro 5, 00185 Rome, Italy.
| | - Giorgia La Barbera
- Dipartimento di Chimica, Sapienza Università di Roma, Piazzale Aldo Moro 5, 00185 Rome, Italy.
| | - Roberto Samperi
- Dipartimento di Chimica, Sapienza Università di Roma, Piazzale Aldo Moro 5, 00185 Rome, Italy.
| | | | - Aldo Laganà
- Dipartimento di Chimica, Sapienza Università di Roma, Piazzale Aldo Moro 5, 00185 Rome, Italy.
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In situ assessment of atorvastatin impurity using MALDI mass spectrometry imaging (MALDI-MSI). Anal Chim Acta 2014; 818:32-8. [DOI: 10.1016/j.aca.2014.01.050] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2013] [Revised: 01/10/2014] [Accepted: 01/21/2014] [Indexed: 11/23/2022]
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17
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Cunsolo V, Muccilli V, Saletti R, Foti S. MALDI-TOF mass spectrometry for the monitoring of she-donkey's milk contamination or adulteration. JOURNAL OF MASS SPECTROMETRY : JMS 2013; 48:148-153. [PMID: 23378086 DOI: 10.1002/jms.3138] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2012] [Revised: 10/30/2012] [Accepted: 11/06/2012] [Indexed: 06/01/2023]
Abstract
Donkey's milk (DM), representing a safe and alternative food in both IgE-mediated and non-IgE-mediated cow's milk protein allergy, can be categorized as precious pharma-food. Moreover, an economically relevant interest for the use of DM in cosmetology is also developing. The detection of adulterations and contaminations of DM is a matter of fundamental importance from both an economic and allergenic standpoint, and, to this aim, fast and efficient analytical approaches to assess the authenticity of this precious nutrient are desirable. Here, a rapid matrix-assisted laser desorption/ionization-time-of-flight mass spectrometry (MALDI-TOF MS)-based method aimed to the detection of bovine or caprine milk in raw DM is reported. The presence of the extraneous milks was revealed by monitoring the protein profiles of the most abundant whey proteins, α-lactalbumin (α-LA) and β-lactoglobulin, used as molecular markers. The possibility of obtaining a quantitative analysis of the level of cow or goat milk in DM based on the MALDI-TOF peak areas of α-LAs was also explored. The results showed that the experimental quantitative values were in good agreement with the real composition of each mixture. As pretreatment of the milk samples is not required, and owing to the speed and the high sensitivity of MALDI-MS, the protocol here reported could represent a reliable method for routine analyses aimed to assess the absence of contamination in raw fresh DM samples.
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Affiliation(s)
- Vincenzo Cunsolo
- Department of Chemical Science, University of Catania, Viale A. Doria 6, 95125, Catania, Italy.
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Saletti R, Muccilli V, Cunsolo V, Fontanini D, Capocchi A, Foti S. MS-based characterization of α(s2)-casein isoforms in donkey's milk. JOURNAL OF MASS SPECTROMETRY : JMS 2012; 47:1150-1159. [PMID: 22972783 DOI: 10.1002/jms.3031] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
The primary structure of four α(s2)-casein (CN) isoforms, present as minor components in the dephosphorylated CN fraction of a milk sample collected in Eastern Sicily from an individual donkey belonging to the Ragusano breed at middle lactation stage, was determined, using the known donkey's α(s2)-CN (GenBank Acc. No. CAV00691; M(r) 26,028 Da) as reference. Proteins, with experimentally measured M(r) of 25,429, 21,939, 25,203 and 21,713 Da, were isolated by the combined use of reversed-phase high-performance liquid chromatography (RP-HPLC) and two-dimensional polyacrylamide gel electrophoresis. The major spot of each gel, corresponding to a single protein, was digested by trypsin, α-chymotrypsin and endoproteinase Glu-C. The resulting peptide mixtures were analyzed by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry and capillary RP-HPLC/nano-electrospray ionization tandem mass spectrometry, and the data obtained were used for the sequence determination. The isoforms are produced from differential splicing events involving exons 4, 5 and 6 and parts of the exon 17.
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Affiliation(s)
- Rosaria Saletti
- Department of Chemical Sciences, University of Catania, Viale A. Doria 6, I-95125, Catania, Italy
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Chianese L, Calabrese MG, Ferranti P, Mauriello R, Garro G, De Simone C, Quarto M, Addeo F, Cosenza G, Ramunno L. Proteomic characterization of donkey milk “caseome”. J Chromatogr A 2010; 1217:4834-40. [DOI: 10.1016/j.chroma.2010.05.017] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2010] [Revised: 04/22/2010] [Accepted: 05/07/2010] [Indexed: 10/19/2022]
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20
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Donkeys’ milk protein fraction investigated by electrophoretic methods and mass spectrometric analysis. Int Dairy J 2009. [DOI: 10.1016/j.idairyj.2008.10.015] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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