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Chu F, Liu Z, Miao J, Huang Y, Niu L, Lai K. Formation of advanced glycation end-products in minced pork during frozen-then-chilled storage and subsequent heating. Food Chem 2023; 426:136616. [PMID: 37354580 DOI: 10.1016/j.foodchem.2023.136616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 06/05/2023] [Accepted: 06/10/2023] [Indexed: 06/26/2023]
Abstract
The influences of frozen-then-chilled storage of minced pork on the formation of advanced glycation end-products (AGEs) including Nε-carboxymethyllysine and Nε-carboxyethyllysine, and their corresponding α-dicarbonyl precursors (α-DPs; glyoxal and methylglyoxal) during storage and subsequent heating were investigated in comparison with chilled storage. During cold storage, the levels of AGEs, trichloroacetic acid-soluble peptides, and Schiff bases in minced pork continuously increased while α-DPs decreased. The 30 min heating (100 °C) resulted in 64-560% increase of AGEs in pork, corresponding with an increase of Schiff bases and decreases of α-DPs. Compared to the chilled storage, the frozen-then-chilled storage led to no significant difference (P > 0.05) on the levels of AGEs and α-DPs in raw or heat-treated pork, implying that the formation and thawing of ice crystals in pork during the frozen-then-chilled storage had minor to no effects on the formation of AGEs and their α-DPs.
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Affiliation(s)
- Fuyu Chu
- College of Food Science and Technology, Shanghai Ocean University, No. 999 Hucheng Huan Road, LinGang New City, Shanghai 201306, China; School of Food Science and Bioengineering, Changsha University of Science & Technology, 960, 2nd Section, Wanjiali South Road, Changsha 410004, Hunan, China
| | - Zhijie Liu
- College of Food Science and Technology, Shanghai Ocean University, No. 999 Hucheng Huan Road, LinGang New City, Shanghai 201306, China; Engineering Research Center of Food Thermal-Processing Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Junjian Miao
- College of Food Science and Technology, Shanghai Ocean University, No. 999 Hucheng Huan Road, LinGang New City, Shanghai 201306, China; Engineering Research Center of Food Thermal-Processing Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Yiqun Huang
- School of Food Science and Bioengineering, Changsha University of Science & Technology, 960, 2nd Section, Wanjiali South Road, Changsha 410004, Hunan, China.
| | - Lihong Niu
- School of Food Engineering, Ludong University, No. 186, Middle Hongqi Road, Yantai 264025, Shandong, China
| | - Keqiang Lai
- College of Food Science and Technology, Shanghai Ocean University, No. 999 Hucheng Huan Road, LinGang New City, Shanghai 201306, China; Engineering Research Center of Food Thermal-Processing Technology, Shanghai Ocean University, Shanghai 201306, China.
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Lin H, Lai K, Zhang J, Wang F, Liu Y, Rasco BA, Huang Y. Heat-induced formation of advanced glycation end-products in ground pork as affected by the addition of acetic acid or citric acid and the storage duration prior to the heat treatments. Food Chem X 2022; 15:100387. [PMID: 36211737 PMCID: PMC9532729 DOI: 10.1016/j.fochx.2022.100387] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 07/03/2022] [Accepted: 07/04/2022] [Indexed: 11/30/2022] Open
Abstract
Organic acids affected advanced glycation end-product (AGE) levels in heated pork. Heat-induced AGEs in pork with citric acid (ca 0.5–1%) were reduced by 30–54%. Adding acetic acid at the same level led to 14–48% reduction of AGEs. The reduction of AGEs corresponded to decreased levels of TBARS and Schiff bases. Marinating time (pork & acid) did not affect the acid’s inhibiting effect for AGEs.
The heat-induced (121 °C, 10 or 30 min) formation of two potentially hazardous advanced glycation end-products (AGEs), protein-bound Nɛ-carboxymethyllysine (CML) and Nɛ-carboxyethyllysine (CEL), in pork as affected by citric or acetic acid (0.5, 1 g/100 pork) and the storage duration (0 °C, 0 – 8 d) prior to the heating was investigated. A longer storage time of raw pork resulted in higher levels of AGEs produced during the later heating, likely due to the accumulation of some AGE precursors during the storage. Depending on the acid level and heating time, adding acid in pork led to 30 – 54% (citric acid) or 14 – 48% (acetic acid) average reduction of heat-induced production of CML/CEL, which corresponded to the reduction of thiobarbituric acid reactive substances and Schiff bases. The marinating time of raw pork with an acid did not significantly affect (P = 0.959 – 0.998) the acid’s inhibition effect on heat-induced formation of CML/CEL.
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Affiliation(s)
- Hui Lin
- School of Food Science and Bioengineering, Changsha University of Science and Technology, 960, 2nd Section, Wanjiali South Rd, Changsha, Hunan 410114, China
| | - Keqiang Lai
- College of Food Science and Technology, Shanghai Ocean University, No. 999 HuchengHuan Road, Nanhui New City, Shanghai 201306, China
| | - Juanjuan Zhang
- School of Food Science and Bioengineering, Changsha University of Science and Technology, 960, 2nd Section, Wanjiali South Rd, Changsha, Hunan 410114, China
| | - Faxiang Wang
- School of Food Science and Bioengineering, Changsha University of Science and Technology, 960, 2nd Section, Wanjiali South Rd, Changsha, Hunan 410114, China
| | - Yongle Liu
- School of Food Science and Bioengineering, Changsha University of Science and Technology, 960, 2nd Section, Wanjiali South Rd, Changsha, Hunan 410114, China
| | - Barbara A Rasco
- College of Agriculture and Natural Resources, University of Wyoming, Dept 3354, 1000 E University Ave, Laramie, WY 83071, United States
| | - Yiqun Huang
- School of Food Science and Bioengineering, Changsha University of Science and Technology, 960, 2nd Section, Wanjiali South Rd, Changsha, Hunan 410114, China
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Banerjee S. Biophysical and mass spectrometry based characterization of methylglyoxal-modified myoglobin: Role of advanced glycation end products in inducing protein structural alterations. Int J Biol Macromol 2021; 193:2165-2172. [PMID: 34774865 DOI: 10.1016/j.ijbiomac.2021.11.047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 09/08/2021] [Accepted: 11/05/2021] [Indexed: 11/25/2022]
Abstract
Methylglyoxal (MG) is a highly reactive α-dicarbonyl compound which reacts with proteins to form advanced glycation end products (AGEs). MG-induced AGE (MAGE) formation is particularly significant in diabetic condition. In the current study, we have undertaken a time-dependant characterization of MG-modified myoglobin following incubation of the heme protein with the α-dicarbonyl compound for different time periods. Interestingly, mass spectrometric studies indicated modifications at two specific lysine residues, Lys-87 and Lys-133. The AGE adducts identified at Lys-87 were carboxymethyllysine and carboxyethyllysine, while those detected at Lys-133 included pyrraline-carboxymethyllysine and carboxyethyllysine, respectively. Far-UV CD studies revealed a decrease in the native α-helical content of the heme protein gradually with increasing time of MG incubation. In addition, MG modification was found to induce changes in tertiary structure as well as surface hydrophobicity of the heme protein. MG-derived AGE adducts thus appear to alter the structure of Mb considerably. Considering the increased level of MG in diabetic condition, the current study appears physiologically relevant in terms of understanding AGE-mediated protein modification and subsequent structural changes.
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Affiliation(s)
- Sauradipta Banerjee
- Department of Biophysics, Molecular Biology & Bioinformatics, University of Calcutta, 92, Acharyya Prafulla Chandra Road, Kolkata 700009, India.
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Sharma A, Weber D, Raupbach J, Dakal TC, Fließbach K, Ramirez A, Grune T, Wüllner U. Advanced glycation end products and protein carbonyl levels in plasma reveal sex-specific differences in Parkinson's and Alzheimer's disease. Redox Biol 2020; 34:101546. [PMID: 32460130 PMCID: PMC7251371 DOI: 10.1016/j.redox.2020.101546] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 04/10/2020] [Accepted: 04/20/2020] [Indexed: 11/20/2022] Open
Abstract
Neurodegenerative diseases (NDD) such as Alzheimer's (AD) and Parkinson's disease (PD) are distinct clinical entities, however, the aggregation of key neuronal proteins, presumably leading to neuronal demise appears to represent a common mechanism. It has become evident, that advanced glycation end products (AGEs) trigger the accumulation of such modified proteins, which eventually contributes to pathological aspect of NDDs. Increased levels of AGEs are found in amyloid plaques in AD brains and in both advanced and early PD (incidental Lewy body disease). The molecular mechanisms by which AGE dependent modifications may modulate the susceptibility towards NDDs, however, remain enigmatic and it is unclear, whether AGEs may serve as biomarker of NDD. In the present study, we examined AGEs (CML: Carboxymethyllysine and CEL: Carboxyethyllysine), markers of oxidative stress and micronutrients in the plasma of PD and AD patients and controls. As compared to healthy controls, AD females displayed lower levels of CEL while higher levels of CML were found in AD and PD patients. A somewhat similar pattern was observed for protein carbonyls (PC), revealing lower values exclusively in AD females, whereas AD males displayed significantly higher values compared to healthy controls and PD. Sex-specific differences were also observed for other relevant markers such as malondialdehyde, 3-nitrotyrosine, γ -tocopherols, retinol, plasma proteins and α-carotene, while α-tocopherols, β-carotene, lutein/zeaxanthin, β-cryptoxanthin and lycopene showed no relevant association. Taken together, our study suggests yet unappreciated differences of the distribution of AGEs among the sexes in NDD. We therefore suggest to make a clear distinction between sexes when analyzing oxidative (AGEs)-related stress and carbonyl-related stress and vitamins.
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Affiliation(s)
- Amit Sharma
- Department of Neurology, University Clinic Bonn, Bonn, Germany; Department of Ophthalmology, University Clinic Bonn, Bonn, Germany
| | - Daniela Weber
- Department of Molecular Toxicology, German Institute of Human Nutrition Potsdam, Rehbruecke (DIfE), 14558, Nuthetal, Germany
| | - Jana Raupbach
- Department of Molecular Toxicology, German Institute of Human Nutrition Potsdam, Rehbruecke (DIfE), 14558, Nuthetal, Germany
| | - Tikam Chand Dakal
- Department of Biotechnology, Mohanlal Sukhadia University, Rajasthan, India
| | - Klaus Fließbach
- Department of Neurodegenerative Diseases and Geriatric Psychiatry, University Hospital Bonn, Bonn, Germany; German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Alfredo Ramirez
- Department of Neurodegenerative Diseases and Geriatric Psychiatry, University Hospital Bonn, Bonn, Germany; German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany; Division of Neurogenetics and Molecular Psychiatry, Department of Psychiatry and Psychotherapy, Medical Faculty, University of Cologne, Cologne, Germany
| | - Tilman Grune
- Department of Molecular Toxicology, German Institute of Human Nutrition Potsdam, Rehbruecke (DIfE), 14558, Nuthetal, Germany
| | - Ullrich Wüllner
- Department of Neurology, University Clinic Bonn, Bonn, Germany; German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany.
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Awasthi S, Sankaranarayanan K, Saraswathi NT. Advanced glycation end products induce differential structural modifications and fibrillation of albumin. Spectrochim Acta A Mol Biomol Spectrosc 2016; 163:60-67. [PMID: 27037764 DOI: 10.1016/j.saa.2016.03.023] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Revised: 03/11/2016] [Accepted: 03/20/2016] [Indexed: 06/05/2023]
Abstract
Glycation induced amyloid fibrillation is fundamental to the development of many neurodegenerative and cardiovascular complications. Excessive non-enzymatic glycation in conditions such as hyperglycaemia results in the increased accumulation of advanced glycation end products (AGEs). AGEs are highly reactive pro-oxidants, which can lead to the activation of inflammatory pathways and development of oxidative stress. Recently, the effect of non-enzymatic glycation on protein structure has been the major research area, but the role of specific AGEs in such structural alteration and induction of fibrillation remains undefined. In this study, we determined the specific AGEs mediated structural modifications in albumin mainly considering carboxymethyllysine (CML), carboxyethyllysine (CEL), and argpyrimidine (Arg-P) which are the major AGEs formed in the body. We studied the secondary structural changes based on circular dichroism (CD) and spectroscopic analysis. The AGEs induced fibrillation was determined by Congo red binding and examination of scanning and transmission electron micrographs. The amyloidogenic regions in the sequence of BSA were determined using FoldAmyloid. It was observed that CEL modification of BSA leads to the development of fibrillar structures, which was evident from both secondary structure changes and TEM analysis.
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Affiliation(s)
- Saurabh Awasthi
- Molecular Biophysics Lab, School of Chemical and Biotechnology, SASTRA University, Thanjavur 613401, Tamilnadu, India
| | - Kamatchi Sankaranarayanan
- DST-INSPIRE Faculty, Department of Energy and Environment, National Institute of Technology, Tiruchirappalli 620015, Tamilnadu, India
| | - N T Saraswathi
- Molecular Biophysics Lab, School of Chemical and Biotechnology, SASTRA University, Thanjavur 613401, Tamilnadu, India.
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Awasthi S, Gayathiri SK, Ramya R, Duraichelvan R, Dhason A, Saraswathi NT. Advanced Glycation-Modified Human Serum Albumin Evokes Alterations in Membrane and Eryptosis in Erythrocytes. Appl Biochem Biotechnol 2015; 177:1013-24. [PMID: 26276445 DOI: 10.1007/s12010-015-1793-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2014] [Accepted: 08/02/2015] [Indexed: 12/15/2022]
Abstract
Increased burden of advanced glycation end-products (AGEs) in case of hyperglycemic conditions leads to the development of retinopathy, nephropathy, and cardiovascular and neurological disorders such as Alzheimer's disease. AGEs are considered as pro-oxidants, and their accumulation increases the oxidative stress. The prolonged exposure to these AGEs is the fundamental cause of chronic oxidative stress. Abnormal morphology of red blood cells (RBCs) and excessive eryptosis has been observed in diabetes, glomerulonephritis, dyslipidemia, and obesity, but yet the contribution of extracellular AGEs remains undefined. In this study, we investigated the effect of AGEs on erythrocytes to determine their impact on the occurrence of different pathological forms of these blood cells. Specifically, carboxymethyllysine (CML), carboxyethyllysine (CEL), and Arg-pyrimidine (Arg-P) which have been reported to be the most pre-dominant AGEs formed under in vivo conditions were used in this study. Results suggested the eryptotic properties of CML, CEL, and Arg-P for RBCs, which were evident from the highly damaged cell membrane and occurrence of abnormal morphologies. Methylglyoxal-modified albumin showed more severe effects, which can be attributed to the high reactivity and pro-oxidant nature of glycation end products. These findings suggest the possible role of AGE-modified albumin towards the morphological changes in erythrocyte's membrane associated with diabetic conditions.
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Affiliation(s)
- Saurabh Awasthi
- Molecular Biophysics Lab, School of Chemical and Biotechnology, SASTRA University, Thanjavur, Tamilnadu, 613401, India
| | - S K Gayathiri
- Molecular Biophysics Lab, School of Chemical and Biotechnology, SASTRA University, Thanjavur, Tamilnadu, 613401, India
| | - R Ramya
- Molecular Biophysics Lab, School of Chemical and Biotechnology, SASTRA University, Thanjavur, Tamilnadu, 613401, India
| | | | - A Dhason
- Raman Research Institute, Bangalore, 560080, India
| | - N T Saraswathi
- Molecular Biophysics Lab, School of Chemical and Biotechnology, SASTRA University, Thanjavur, Tamilnadu, 613401, India.
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