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Murai T, Naeve S, Annor GA. Regional Variability in Sugar and Amino Acid Content of U.S. Soybeans and the Impact of Autoclaving on Reducing Sugars and Free Lysine. Foods 2024; 13:1884. [PMID: 38928825 PMCID: PMC11202694 DOI: 10.3390/foods13121884] [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: 05/14/2024] [Revised: 06/10/2024] [Accepted: 06/13/2024] [Indexed: 06/28/2024] Open
Abstract
Exploring the sugar and amino acid content variability and the influence of thermal processing on these in soybeans can help optimize their utilization in animal feed. This study examined 209 samples harvested in 2020 and 55 samples harvested in 2021 from across the U.S. to assess their sugar variability and amino acid variability. Harvest regions included the East Corn Belt, West Corn Belt, Mid-South, East Coast, and the Southeast of the U.S. In addition to the sugar and amino acid contents, protein, oil, and seed size were also analyzed. Samples from 2021 were evaluated for their sugar and amino acid contents before and after autoclaving the seeds at 105-110 °C for 15 min. For the samples harvested in 2020, sucrose (4.45 g 100 g-1) and stachyose (1.34 g 100 g-1) were the most prevalent sugars. For the samples harvested in 2021, L-arginine (9.82 g 100 g-1), leucine (5.29 g 100 g-1), and glutamate (4.90 g 100 g-1) were the most prevalent amino acids. Heat treatment resulted in an 8.47%, 20.88%, 11.18%, and 1.46% median loss of free lysine, sucrose, glucose, and fructose. This study's insights into the variability in sugar and amino acid content and the heat-induced changes in the nutritional composition of soybeans provide a reference for improving soybean quality assessment and optimizing its use in animal feed formulations in the U.S.
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Affiliation(s)
- Takehiro Murai
- Department of Food Science and Nutrition, College of Food, Agricultural and Natural Resource Sciences, University of Minnesota, 1334 Eckles Avenue, St. Paul, MN 55108, USA;
| | - Seth Naeve
- Department of Agronomy and Plant Genetics, College of Food, Agricultural and Natural Resource Sciences, University of Minnesota, 411 Borlaug Hall 1991 Upper Buford Circle, St. Paul, MN 55108, USA;
| | - George A. Annor
- Department of Food Science and Nutrition, College of Food, Agricultural and Natural Resource Sciences, University of Minnesota, 1334 Eckles Avenue, St. Paul, MN 55108, USA;
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Paramanya A, Abiodun AO, Ola MS, Ali A. Antiglycating Effects of Spirulina platensis Aqueous Extract on Glucose-Induced Glycation of Bovine Serum Albumin. Chem Biodivers 2024:e202400281. [PMID: 38687533 DOI: 10.1002/cbdv.202400281] [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: 02/01/2024] [Revised: 04/29/2024] [Accepted: 04/30/2024] [Indexed: 05/02/2024]
Abstract
Glucose, the predominant carbohydrate in the human body, initiates nonenzymatic reactions in hyperglycemia, potentially leading to adverse biochemical interactions. This study investigates the interaction between glucose and Bovine Serum Albumin (BSA), along with the protective effects of Spirulina platensis PCC 7345 aqueous extract. Phycobiliproteins (phycocyanin, phycoerythrin, and allophycocyanin) in the extract were quantified using spectrophotometry. The extract's anti-glycation potential was assessed by analyzing its effects on albumin glycation, fluorescent advanced glycation end products (AGEs), thiol group oxidation, and β-amyloid structure generation. Additionally, its antidiabetic potential was evaluated by measuring α-amylase and α-glucosidase enzyme inhibition. Results indicate that the Spirulina extract significantly mitigated ketoamine levels, fluorescence, and protein-carbonyl production induced by glucose, demonstrating a 67.81 % suppression of AGE formation after 28 days. Moreover, it effectively inhibited amyloid formation in BSA cross-linkages. These findings suggest the potential of S. platensis as an anti-glycation and antidiabetic agent, supporting its consideration for dietary inclusion to manage diabetes and associated complications.
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Affiliation(s)
- Additiya Paramanya
- Department of Life Sciences, University of Mumbai, Mumbai, 400098, India
| | - Abeeb Oyesiji Abiodun
- Department of Biological Sciences, Louisiana State University, Baton Rouge, Louisiana, 70802, USA
| | - Mohammad Shamsul Ola
- Department of Biochemistry, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Ahmad Ali
- Department of Life Sciences, University of Mumbai, Mumbai, 400098, India
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3
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Wang D, Wang J, Liu X, Du K, Liu H, Yang X, Liu T, Liu Q, Wang M, Guo J. Quantifying carboxymethyl lysine and carboxyethyl lysine in human plasma: clinical insights into aging research using liquid chromatography-tandem mass spectrometry. BMC Biotechnol 2024; 24:12. [PMID: 38454400 PMCID: PMC10919032 DOI: 10.1186/s12896-024-00838-5] [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: 11/03/2023] [Accepted: 02/21/2024] [Indexed: 03/09/2024] Open
Abstract
OBJECTIVE The objective of this study was to establish a methodology for determining carboxymethyl lysine (CML) and carboxyethyl lysine (CEL) concentrations in human plasma using liquid chromatography-tandem mass spectrometry (LC-MS/MS). The test results were also used for clinical aging research. METHODS Human plasma samples were incubated with aqueous perfluorovaleric acid (NFPA), succeeded by precipitation utilizing trichloroacetic acid, hydrolysis facilitated by hydrochloric acid, nitrogen drying, and ultimate re-dissolution utilizing NFPA, followed by filtration. Cotinine-D3 was added as an internal standard. The separation was performed on an Agela Venusil ASB C18 column (50 mm × 4.6 mm, 5 μm) with a 5 mmol/L NFPA and acetonitrile/water of 60:40 (v/v) containing 0.15% formic acid. The multiple reaction monitoring mode was used for detecting CML, CEL, and cotinine-D3, with ion pairs m/z 205.2 > 84.1 (for quantitative) and m/z 205.2 > m/z 130.0 for CML, m/z 219.1 > 84.1 (for quantitative) and m/z 219.1 > m/z 130.1 for CEL, and m/z 180.1 > 80.1 for cotinine-D3, respectively. RESULTS The separation of CML and CEL was accomplished within a total analysis time of 6 minutes. The retention times of CML, CEL, and cotinine-D3 were 3.43 minutes, 3.46 minutes, and 4.50 minutes, respectively. The assay exhibited linearity in the concentration range of 0.025-1.500 μmol/L, with a lower limit of quantification of 0.025 μmol/L for both compounds. The relative standard deviations of intra-day and inter-day were both below 9%, and the relative errors were both within the range of ±4%. The average recoveries were 94.24% for CML and 97.89% for CEL. CONCLUSION The results indicate that the developed methodology is fast, highly sensitive, highly specific, reproducible, and suitable for the rapid detection of CML and CEL in clinical human plasma samples. The outcomes of the clinical research project on aging underscored the important indicative significance of these two indicators for research on human aging.
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Affiliation(s)
- Daguang Wang
- Clinical Laboratory, Aviation General Hospital, Beijing, 100000, China
| | - Junshan Wang
- Iphase Pharma Laboratory, Iphase Pharma Services (Think Tank Research Center for Health Development Laboratory), Beijing, 100000, China
| | - Xinghong Liu
- Iphase Pharma Laboratory, Iphase Pharma Services (Think Tank Research Center for Health Development Laboratory), Beijing, 100000, China
| | - Kehe Du
- Iphase Pharma Laboratory, Iphase Pharma Services (Think Tank Research Center for Health Development Laboratory), Beijing, 100000, China
| | - Hongjun Liu
- Iphase Pharma Laboratory, Iphase Pharma Services (Think Tank Research Center for Health Development Laboratory), Beijing, 100000, China
| | - Xiaofeng Yang
- Beijing Hospital Laboratory, National Center for Gerontology, No.1 of Dahua Road, Dongcheng District, Beijing, 100000, China
| | - Tianyi Liu
- Beijing Hospital Laboratory, National Center for Gerontology, No.1 of Dahua Road, Dongcheng District, Beijing, 100000, China
| | - Qian Liu
- Beijing Hospital Laboratory, National Center for Gerontology, No.1 of Dahua Road, Dongcheng District, Beijing, 100000, China
| | - Meng Wang
- Beijing Hospital Laboratory, National Center for Gerontology, No.1 of Dahua Road, Dongcheng District, Beijing, 100000, China
| | - Jian Guo
- Beijing Hospital Laboratory, National Center for Gerontology, No.1 of Dahua Road, Dongcheng District, Beijing, 100000, China.
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Yang L, Shen Y, Li W, Zha B, Xu W, Ding H. Elevated plasma myoglobin level is closely associated with type 2 diabetic kidney disease. J Diabetes 2024; 16:e13508. [PMID: 38036859 PMCID: PMC10925879 DOI: 10.1111/1753-0407.13508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 10/31/2023] [Accepted: 11/12/2023] [Indexed: 12/02/2023] Open
Abstract
BACKGROUND Diabetic kidney disease (DKD) is the most frequent complication in patients with type 2 diabetes mellitus (T2DM). It causes a chronic and progressive decline in kidney function, and ultimately patients require renal replacement therapy. To date, an increasing number of clinical studies have been conducted to explore the potential and novel biomarkers, which can advance the diagnosis, estimate the prognosis, and optimize the therapeutic strategies at the early stage of DKD. In the current study, we sought to investigate the association of plasma myoglobin with DKD. METHODS A total of 355 T2DM patients with DKD and 710 T2DM patients without DKD were enrolled in this study. Laboratory parameters including blood cell count, hemoglobin A1c, biochemical parameters, and plasma myoglobin were recorded. Patients were classified on admission according to the tertile of myoglobin and clinical parameters were compared between the groups. Pearson correlation analysis, linear regression, logistic regression, receiver operating characteristics (ROC) analysis, and spline regression were performed. RESULTS Plasma myoglobin significantly increased in patients with DKD and was associated with renal function and inflammatory parameters. Plasma myoglobin was an independent risk factor for the development of DKD. The area under ROC curve of myoglobin was 0.831. Spline regression showed that there was a significant linear association between DKD incidence and a high level of plasma myoglobin when it exceeded 36.4 mg/mL. CONCLUSIONS This study shows that elevated plasma myoglobin level is closely associated with the development of kidney injury in patients with T2DM.
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Affiliation(s)
- Lin Yang
- Department of Nephrology, Shanghai Fifth People's HospitalFudan UniversityShanghaiChina
| | - Yan Shen
- Department of Endocrinology, Shanghai Fifth People's HospitalFudan UniversityShanghaiChina
| | - Wenxiao Li
- Department of Endocrinology, Shanghai Fifth People's HospitalFudan UniversityShanghaiChina
- Center of Community‐Based Health ResearchFudan UniversityShanghaiChina
- Jiangchuan Community Health Service CenterShanghaiChina
| | - Bingbing Zha
- Department of Endocrinology, Shanghai Fifth People's HospitalFudan UniversityShanghaiChina
| | - Wenjun Xu
- Department of NephrologyZhejiang Kaihua County Hospital of Chinese MedicineZhejiangChina
| | - Heyuan Ding
- Department of Endocrinology, Shanghai Fifth People's HospitalFudan UniversityShanghaiChina
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Kuzan A, Kozak-Sykała A, Fiedorowicz A, Kałas W, Strządała L, Gamian A. Advanced Glycation End-Products in Blood Serum-Novel Ischemic Stroke Risk Factors? Implication for Diabetic Patients. J Clin Med 2024; 13:443. [PMID: 38256577 PMCID: PMC10816329 DOI: 10.3390/jcm13020443] [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: 11/03/2023] [Revised: 01/03/2024] [Accepted: 01/10/2024] [Indexed: 01/24/2024] Open
Abstract
New predictors of ischemic incidents are constantly sought since they raise the awareness of patients and their doctors of stroke occurrence. The goal was to verify whether Advanced Glycation End Products (AGEs), in particular AGE10, could be one of them. The AGE10 measurement was conducted using a non-commercial ELISA assay in the blood serum of neurological patients without cerebrovascular event (n = 24), those with transient brain attack (TIA) (n = 17), and severe ischemic stroke (n = 35). Twice as many of the people with TIA or severe stroke presented high AGE10 serum concentrations compared to the patients with other neurological conditions (χ2 = 8.2, p = 0.004; χ2 = 8.0, p = 0.005, respectively). The risk of ischemic incident was significantly risen in people with higher levels of AGE10 (OR = 6.5, CI95%: 1.7-24.8; OR = 4.7, CI95%: 1.5-14.5 for TIA and stroke subjects, respectively). We observed a positive correlation (r = 0.40) between high AGE10 levels and diabetes. Moreover, all the diabetic patients that had a high AGE10 content experienced either a severe ischemic stroke or TIA. The patients with high levels of AGE10 exhibited higher grades of disability assessed by the NIHSS scale (r = 0.35). AGE10 can be considered a new biomarker of ischemic stroke risk. Patients with diabetes presenting high AGE10 levels are particularly prone to the occurrence of cerebrovascular incidents.
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Affiliation(s)
- Aleksandra Kuzan
- Department of Biochemistry and Immunochemistry, Wroclaw Medical University, 50-367 Wroclaw, Poland
| | - Anna Kozak-Sykała
- Neurology and Stroke Department, Independent Public Healthcare Centre, Jankowski Regional Hospital in Przeworsk, Szpitalna 16, 37-200 Przeworsk, Poland;
| | - Anna Fiedorowicz
- Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 53-114 Wroclaw, Poland (W.K.); (L.S.); (A.G.)
| | - Wojciech Kałas
- Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 53-114 Wroclaw, Poland (W.K.); (L.S.); (A.G.)
| | - Leon Strządała
- Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 53-114 Wroclaw, Poland (W.K.); (L.S.); (A.G.)
| | - Andrzej Gamian
- Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 53-114 Wroclaw, Poland (W.K.); (L.S.); (A.G.)
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Ueno T, Yamanaka M, Taniguchi W, Nishio N, Matsuyama Y, Miyake R, Kaimochi Y, Nakatsuka T, Yamada H. Methylglyoxal activates transient receptor potential A1/V1 via reactive oxygen species in the spinal dorsal horn. Mol Pain 2024; 20:17448069241233744. [PMID: 38323375 PMCID: PMC10868495 DOI: 10.1177/17448069241233744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 12/11/2023] [Accepted: 01/12/2024] [Indexed: 02/08/2024] Open
Abstract
Methylglyoxal (MGO), a highly reactive dicarbonyl metabolite of glucose primarily formed during the glycolytic pathway, is a precursor of advanced glycation end-products (AGEs). Recently, numerous studies have shown that MGO accumulation can cause pain and hyperalgesia. However, the mechanism through which MGO induces pain in the spinal dorsal horn remains unclear. The present study investigated the effect of MGO on spontaneous excitatory postsynaptic currents (sEPSC) in rat spinal dorsal horn neurons using blind whole-cell patch-clamp recording. Perfusion of MGO increased the frequency and amplitude of sEPSC in spinal horn neurons in a concentration-dependent manner. Additionally, MGO administration increased the number of miniature EPSC (mEPSC) in the presence of tetrodotoxin, a sodium channel blocker. However, 6-cyano-7-nitroqiunocaline-2,3-dione (CNQX), an AMPA/kainate receptor antagonist, blocked the enhancement of sEPSC by MGO. HC-030031, a TRP ankyrin-1 (TRPA1) antagonist, and capsazepine, a TRP vanilloid-1 (TRPV1) antagonist, inhibited the action of MGO. Notably, the effects of MGO were completely inhibited by HC-030031 and capsazepine. MGO generates reactive oxygen species (ROS) via AGEs. ROS also potentially induce pain via TRPA1 and TRPV1 in the spinal dorsal horn. Furthermore, we examined the effect of MGO in the presence of N-tert-butyl-α-phenylnitrone (PBN), a non-selective ROS scavenger, and found that the effect of MGO was completely inhibited. These results suggest that MGO increases spontaneous glutamate release from the presynaptic terminal to spinal dorsal horn neurons through TRPA1, TRPV1, and ROS and could enhance excitatory synaptic transmission.
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Affiliation(s)
- Takeru Ueno
- Department of Orthopaedic Surgery, Wakayama Medical University, Wakayama, Japan
| | - Manabu Yamanaka
- Department of Orthopaedic Surgery, Wakayama Medical University, Wakayama, Japan
| | - Wataru Taniguchi
- Department of Orthopaedic Surgery, Wakayama Medical University, Wakayama, Japan
| | - Naoko Nishio
- Department of Orthopaedic Surgery, Wakayama Medical University, Wakayama, Japan
| | - Yuki Matsuyama
- Department of Orthopaedic Surgery, Wakayama Medical University, Wakayama, Japan
| | - Ryo Miyake
- Department of Orthopaedic Surgery, Wakayama Medical University, Wakayama, Japan
| | - Yuta Kaimochi
- Department of Orthopaedic Surgery, Wakayama Medical University, Wakayama, Japan
| | - Terumasa Nakatsuka
- Pain Research Center, Kansai University of Health Sciences, Osaka, Japan
| | - Hiroshi Yamada
- Department of Orthopaedic Surgery, Wakayama Medical University, Wakayama, Japan
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Magramane S, Vlahović K, Gordon P, Kállai-Szabó N, Zelkó R, Antal I, Farkas D. Inhalation Dosage Forms: A Focus on Dry Powder Inhalers and Their Advancements. Pharmaceuticals (Basel) 2023; 16:1658. [PMID: 38139785 PMCID: PMC10747137 DOI: 10.3390/ph16121658] [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: 10/25/2023] [Revised: 11/17/2023] [Accepted: 11/24/2023] [Indexed: 12/24/2023] Open
Abstract
In this review, an extensive analysis of dry powder inhalers (DPIs) is offered, focusing on their characteristics, formulation, stability, and manufacturing. The advantages of pulmonary delivery were investigated, as well as the significance of the particle size in drug deposition. The preparation of DPI formulations was also comprehensively explored, including physico-chemical characterization of powders, powder processing techniques, and formulation considerations. In addition to manufacturing procedures, testing methods were also discussed, providing insights into the development and evaluation of DPI formulations. This review also explores the design basics and critical attributes specific to DPIs, highlighting the significance of their optimization to achieve an effective inhalation therapy. Additionally, the morphology and stability of 3 DPI capsules (Spiriva, Braltus, and Onbrez) were investigated, offering valuable insights into the properties of these formulations. Altogether, these findings contribute to a deeper understanding of DPIs and their development, performance, and optimization of inhalation dosage forms.
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Affiliation(s)
- Sabrina Magramane
- Department of Pharmaceutics, Semmelweis University, Hőgyes Str. 7, H-1092 Budapest, Hungary; (S.M.); (K.V.); (I.A.)
| | - Kristina Vlahović
- Department of Pharmaceutics, Semmelweis University, Hőgyes Str. 7, H-1092 Budapest, Hungary; (S.M.); (K.V.); (I.A.)
| | - Péter Gordon
- Department of Electronics Technology, Budapest University of Technology and Economics, Egry J. Str. 18, H-1111 Budapest, Hungary;
| | - Nikolett Kállai-Szabó
- Department of Pharmaceutics, Semmelweis University, Hőgyes Str. 7, H-1092 Budapest, Hungary; (S.M.); (K.V.); (I.A.)
| | - Romána Zelkó
- Department of Pharmacy Administration, Semmelweis University, Hőgyes Str. 7–9, H-1092 Budapest, Hungary;
| | - István Antal
- Department of Pharmaceutics, Semmelweis University, Hőgyes Str. 7, H-1092 Budapest, Hungary; (S.M.); (K.V.); (I.A.)
| | - Dóra Farkas
- Department of Pharmaceutics, Semmelweis University, Hőgyes Str. 7, H-1092 Budapest, Hungary; (S.M.); (K.V.); (I.A.)
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Ren X, Wu L, Zhang L, Liu Y, Wang G, Lu H. Discovery of age-related early-stage glycated proteins based on deep quantitative serum glycated proteome analysis. Acta Biochim Biophys Sin (Shanghai) 2023; 55:1659-1667. [PMID: 37654074 PMCID: PMC10577472 DOI: 10.3724/abbs.2023222] [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: 07/22/2023] [Accepted: 08/15/2023] [Indexed: 09/02/2023] Open
Abstract
Aging is a pressing global health issue that is linked to various diseases, such as diabetes and Alzheimer's disease. It is well known that glycation plays a pathological role in the aging process and age-related diseases. Thus, it is of great significance to discover protein glycation at an early stage for monitoring and intervention in the aging process. However, the endogenous age-related early-stage glycated proteome remains insufficiently profiled. To address this research gap, our study focuses on assessing glycated proteomics profiles in the serum of mice. We employ a robust and quantitative strategy previously developed by our team, to analyze endogenous glycated proteome in serum samples of 4 age groups of mice (10 weeks, 16 weeks, 48 weeks and 80 weeks). In total, 2959 endogenous glycated peptides corresponding to 296 serum proteins are identified from 48 runs of serum samples from 16 mice across the four age groups. By comparing these glycated peptides between adjacent age groups, we discover 49 glycated peptides from 35 proteins that show significant upregulation between the 48-week and 80-week age groups. Furthermore, we identify 10 glycated proteins (or protein groups) that are significantly upregulated only between the 48-week and 80-week age groups, including lecithin-cholesterol acyltransferase (LCAT) and apolipoprotein A-II (Apo A-II). These novel findings provide unique signatures for understanding the aging process and age-related diseases. By shedding light on the early-stage glycated proteome, our study contributes valuable insights that may have implications for future interventions and therapeutic approaches.
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Affiliation(s)
- Xinyue Ren
- Shanghai Medical CollegeFudan UniversityShanghai200032China
| | - Linlin Wu
- Shanghai Medical CollegeFudan UniversityShanghai200032China
- Institutes of Biomedical Sciences and Department of Chemistry and NHC Key Laboratory of Glycoconjugates ResearchFudan UniversityShanghai200032China
| | - Lei Zhang
- Shanghai Medical CollegeFudan UniversityShanghai200032China
- Institutes of Biomedical Sciences and Department of Chemistry and NHC Key Laboratory of Glycoconjugates ResearchFudan UniversityShanghai200032China
| | - Yang Liu
- Shanghai Medical CollegeFudan UniversityShanghai200032China
- Institutes of Biomedical Sciences and Department of Chemistry and NHC Key Laboratory of Glycoconjugates ResearchFudan UniversityShanghai200032China
| | - Guoli Wang
- Shanghai Medical CollegeFudan UniversityShanghai200032China
- Institutes of Biomedical Sciences and Department of Chemistry and NHC Key Laboratory of Glycoconjugates ResearchFudan UniversityShanghai200032China
| | - Haojie Lu
- Shanghai Medical CollegeFudan UniversityShanghai200032China
- Institutes of Biomedical Sciences and Department of Chemistry and NHC Key Laboratory of Glycoconjugates ResearchFudan UniversityShanghai200032China
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Xu Q, Yin Y, Liu Y, Ma Q, Chen X, Zhao J. Simultaneous determination of six α-dicarbonyl compounds in traditional Chinese medicines using high-performance liquid chromatography-fluorescence detector with pre-column derivatization. J Sep Sci 2023; 46:e2300435. [PMID: 37548124 DOI: 10.1002/jssc.202300435] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/23/2023] [Accepted: 07/27/2023] [Indexed: 08/08/2023]
Abstract
A reliable method for determination of six α-dicarbonyl compounds in traditional Chinese medicines was first developed and validated by high-performance liquid chromatography-fluorescence detector with pre-column derivatization. α-Dicarbonyl compounds in traditional Chinese medicines were extracted and derivatized with 2,3-diaminaphthalene. The derivatization procedure of six α-dicarbonyl compounds was confirmed by high-resolution mass spectrometry. The limits of quantitation for six α-dicarbonyl compounds ranged from 3.70 × 10-3 to 2.21 × 10-2 μM. The established method showed good linearity (regression coefficient > 0.9990), precision (relative standard deviation < 3.37%), and high recovery (97.8%∼113.1%). The developed method was successfully applied to detect the six α-dicarbonyl compounds in traditional Chinese medicines. The result exhibited six α-dicarbonyl compounds was found in the 15 kinds of traditional Chinese medicines, which suggested us that the determination of α-dicarbonyl compounds should be paid more attention in the quality control of traditional Chinese medicines.
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Affiliation(s)
- Qianqian Xu
- School of Pharmacy, Binzhou Medical University, Yantai, P. R. China
| | - Yi Yin
- School of Pharmacy, Binzhou Medical University, Yantai, P. R. China
| | - Ye Liu
- School of Pharmacy, Binzhou Medical University, Yantai, P. R. China
| | - Qianyun Ma
- School of Pharmacy, Binzhou Medical University, Yantai, P. R. China
| | - Xiangming Chen
- School of Pharmacy, Binzhou Medical University, Yantai, P. R. China
| | - Juanjuan Zhao
- School of Pharmacy, Binzhou Medical University, Yantai, P. R. China
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10
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Leite JAS, Montoya CA, Maes E, Hefer C, Cruz RAPA, Roy NC, McNabb WC. Effect of Heat Treatment on Protein Self-Digestion in Ruminants' Milk. Foods 2023; 12:3511. [PMID: 37761220 PMCID: PMC10529618 DOI: 10.3390/foods12183511] [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: 08/17/2023] [Revised: 09/19/2023] [Accepted: 09/20/2023] [Indexed: 09/29/2023] Open
Abstract
This study investigated whether heat treatments (raw, 63 °C for 30 min, and 85 °C for 5 min) affect protein hydrolysis by endogenous enzymes in the milk of ruminants (bovine, ovine, and caprine) using a self-digestion model. Self-digestion consisted of the incubation for six hours at 37 °C of the ruminants' milk. Free amino group concentration was measured by the o-phthaldialdehyde method, and peptide sequences were identified by chromatography-mass spectrometry. Results showed that heat treatments prior to self-digestion decreased the free NH2 by 59% in bovine milk heated at 85 °C/5 min, and by 44 and 53% in caprine milk heated at 63 °C/30 min and 85 °C/5 min, respectively. However, after self-digestion, only new free amino groups were observed for the raw and heated at 63 °C/30 min milk. β-Casein was the most cleaved protein in the raw and heated at 63 °C/30 min bovine milk. A similar trend was observed in raw ovine and caprine milk. Self-digestion increased 6.8-fold the potential antithrombin peptides in the bovine milk heated at 63 °C/30 min. Enhancing bioactive peptide abundance through self-digestion has potential applications in the industry for functional products. Overall, heat treatments affected the free amino groups according to the species and heat treatment applied, which was reflected in the varying degrees of cleaved peptide bonds and peptides released during self-digestion.
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Affiliation(s)
- Juliana A. S. Leite
- Riddet Institute, Te Ohu Rangahau Kai Facility, Massey University, Palmerston North 4474, New Zealand; (J.A.S.L.); (C.A.M.); (E.M.); (N.C.R.)
| | - Carlos A. Montoya
- Riddet Institute, Te Ohu Rangahau Kai Facility, Massey University, Palmerston North 4474, New Zealand; (J.A.S.L.); (C.A.M.); (E.M.); (N.C.R.)
- Smart Foods & Bioproducts Innovation Centre of Excellence, AgResearch Limited, Palmerston North 4474, New Zealand
| | - Evelyne Maes
- Riddet Institute, Te Ohu Rangahau Kai Facility, Massey University, Palmerston North 4474, New Zealand; (J.A.S.L.); (C.A.M.); (E.M.); (N.C.R.)
- Proteins & Metabolites Team, AgResearch Lincoln Research Centre, Lincoln 7608, New Zealand
| | - Charles Hefer
- Data Science South Team, AgResearch Lincoln Research Centre, Lincoln 7608, New Zealand;
| | - Raul A. P. A. Cruz
- School of Food & Advanced Technology, Massey University, Palmerston North 4442, New Zealand;
| | - Nicole C. Roy
- Riddet Institute, Te Ohu Rangahau Kai Facility, Massey University, Palmerston North 4474, New Zealand; (J.A.S.L.); (C.A.M.); (E.M.); (N.C.R.)
- High-Value Nutrition National Science Challenge, Auckland 1010, New Zealand
- Department of Nutrition, University of Otago, Dunedin 9016, New Zealand
| | - Warren C. McNabb
- Riddet Institute, Te Ohu Rangahau Kai Facility, Massey University, Palmerston North 4474, New Zealand; (J.A.S.L.); (C.A.M.); (E.M.); (N.C.R.)
- High-Value Nutrition National Science Challenge, Auckland 1010, New Zealand
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11
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Messana I, Manconi B, Cabras T, Boroumand M, Sanna MT, Iavarone F, Olianas A, Desiderio C, Rossetti DV, Vincenzoni F, Contini C, Guadalupi G, Fiorita A, Faa G, Castagnola M. The Post-Translational Modifications of Human Salivary Peptides and Proteins Evidenced by Top-Down Platforms. Int J Mol Sci 2023; 24:12776. [PMID: 37628956 PMCID: PMC10454625 DOI: 10.3390/ijms241612776] [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: 06/19/2023] [Revised: 08/05/2023] [Accepted: 08/08/2023] [Indexed: 08/27/2023] Open
Abstract
In this review, we extensively describe the main post-translational modifications that give rise to the multiple proteoforms characterized to date in the human salivary proteome and their potential role. Most of the data reported were obtained by our group in over twenty-five years of research carried out on human saliva mainly by applying a top-down strategy. In the beginning, we describe the products generated by proteolytic cleavages, which can occur before and after secretion. In this section, the most relevant families of salivary proteins are also described. Next, we report the current information concerning the human salivary phospho-proteome and the limited news available on sulfo-proteomes. Three sections are dedicated to the description of glycation and enzymatic glycosylation. Citrullination and N- and C-terminal post-translational modifications (PTMs) and miscellaneous other modifications are described in the last two sections. Results highlighting the variation in the level of some proteoforms in local or systemic pathologies are also reviewed throughout the sections of the manuscript to underline the impact and relevance of this information for the development of new diagnostic biomarkers useful in clinical practice.
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Affiliation(s)
- Irene Messana
- Istituto di Scienze e Tecnologie Chimiche “Giulio Natta”, Consiglio Nazionale delle Ricerche, 00168 Rome, Italy; (I.M.); (C.D.); (D.V.R.)
| | - Barbara Manconi
- Department of Life and Environmental Sciences, University of Cagliari, 09124 Cagliari, Italy; (B.M.); (M.T.S.); (A.O.); (C.C.); (G.G.)
| | - Tiziana Cabras
- Department of Life and Environmental Sciences, University of Cagliari, 09124 Cagliari, Italy; (B.M.); (M.T.S.); (A.O.); (C.C.); (G.G.)
| | | | - Maria Teresa Sanna
- Department of Life and Environmental Sciences, University of Cagliari, 09124 Cagliari, Italy; (B.M.); (M.T.S.); (A.O.); (C.C.); (G.G.)
| | - Federica Iavarone
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (F.I.); (F.V.)
- Fondazione Policlinico Universitario A. Gemelli Fondazione IRCCS, 00168 Rome, Italy;
| | - Alessandra Olianas
- Department of Life and Environmental Sciences, University of Cagliari, 09124 Cagliari, Italy; (B.M.); (M.T.S.); (A.O.); (C.C.); (G.G.)
| | - Claudia Desiderio
- Istituto di Scienze e Tecnologie Chimiche “Giulio Natta”, Consiglio Nazionale delle Ricerche, 00168 Rome, Italy; (I.M.); (C.D.); (D.V.R.)
| | - Diana Valeria Rossetti
- Istituto di Scienze e Tecnologie Chimiche “Giulio Natta”, Consiglio Nazionale delle Ricerche, 00168 Rome, Italy; (I.M.); (C.D.); (D.V.R.)
| | - Federica Vincenzoni
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, 00168 Rome, Italy; (F.I.); (F.V.)
- Fondazione Policlinico Universitario A. Gemelli Fondazione IRCCS, 00168 Rome, Italy;
| | - Cristina Contini
- Department of Life and Environmental Sciences, University of Cagliari, 09124 Cagliari, Italy; (B.M.); (M.T.S.); (A.O.); (C.C.); (G.G.)
| | - Giulia Guadalupi
- Department of Life and Environmental Sciences, University of Cagliari, 09124 Cagliari, Italy; (B.M.); (M.T.S.); (A.O.); (C.C.); (G.G.)
| | - Antonella Fiorita
- Fondazione Policlinico Universitario A. Gemelli Fondazione IRCCS, 00168 Rome, Italy;
- Dipartimento di Scienze dell’Invecchiamento, Neurologiche, Ortopediche e della Testa e del Collo, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Gavino Faa
- Unit of Pathology, Department of Medical Sciences and Public Health, University of Cagliari, 09124 Cagliari, Italy;
- Department of Biology, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA
| | - Massimo Castagnola
- Proteomics Laboratory, European Center for Brain Research, (IRCCS) Santa Lucia Foundation, 00168 Rome, Italy;
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12
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Öztürk K, Yılmaz Oral ZF, Kaya M, Kaban G. The Effects of Sheep Tail Fat, Fat Level, and Cooking Time on the Formation of Nε-(carboxymethyl)lysine and Volatile Compounds in Beef Meatballs. Foods 2023; 12:2834. [PMID: 37569103 PMCID: PMC10417094 DOI: 10.3390/foods12152834] [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: 06/28/2023] [Revised: 07/24/2023] [Accepted: 07/25/2023] [Indexed: 08/13/2023] Open
Abstract
This study aimed to determine the effects of fat type (sheep tail fat (STF) and beef fat (BF)), fat levels (10, 20, or 30%), and cooking time (0, 2, 4, and 6 min, dry heat cooking at 180 °C) on the carboxymethyl lysine (CML) content in meatballs. pH, thiobarbituric acid reactive substance (TBARS), and volatile compound analyses were also performed on the samples. The use of STF and the fat level had no significant effect on the pH value. The highest TBARS value was observed with the combination of a 30% fat level and STF. CML was not affected by the fat level. The highest CML content was determined in meatballs with STF at a cooking time of 6 min. In the samples cooked for 2 min, no significant difference was observed between STF and BF in terms of the CML content. STF generally increased the abundance of aldehydes. Aldehydes were also affected by the fat level and cooking time. A PCA provided a good distinction between groups containing STF and BF regardless of the fat level or cooking time. Pentanal, octanal, 2,4-decadienal, hexanal, and heptanal were positively correlated with CML.
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Affiliation(s)
- Kübra Öztürk
- Department of Food Engineering, Faculty of Agriculture, Atatürk University, Erzurum 25240, Türkiye; (K.Ö.); (M.K.)
| | - Zeynep Feyza Yılmaz Oral
- Department of Food Technology, Erzurum Vocational School, Atatürk University, Erzurum 25240, Türkiye;
| | - Mükerrem Kaya
- Department of Food Engineering, Faculty of Agriculture, Atatürk University, Erzurum 25240, Türkiye; (K.Ö.); (M.K.)
- MK Consulting, Ata Teknokent, Erzurum 25240, Türkiye
| | - Güzin Kaban
- Department of Food Engineering, Faculty of Agriculture, Atatürk University, Erzurum 25240, Türkiye; (K.Ö.); (M.K.)
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13
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Park JYC, King A, Björk V, English BW, Fedintsev A, Ewald CY. Strategic outline of interventions targeting extracellular matrix for promoting healthy longevity. Am J Physiol Cell Physiol 2023; 325:C90-C128. [PMID: 37154490 DOI: 10.1152/ajpcell.00060.2023] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/28/2023] [Accepted: 04/28/2023] [Indexed: 05/10/2023]
Abstract
The extracellular matrix (ECM), composed of interlinked proteins outside of cells, is an important component of the human body that helps maintain tissue architecture and cellular homeostasis. As people age, the ECM undergoes changes that can lead to age-related morbidity and mortality. Despite its importance, ECM aging remains understudied in the field of geroscience. In this review, we discuss the core concepts of ECM integrity, outline the age-related challenges and subsequent pathologies and diseases, summarize diagnostic methods detecting a faulty ECM, and provide strategies targeting ECM homeostasis. To conceptualize this, we built a technology research tree to hierarchically visualize possible research sequences for studying ECM aging. This strategic framework will hopefully facilitate the development of future research on interventions to restore ECM integrity, which could potentially lead to the development of new drugs or therapeutic interventions promoting health during aging.
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Affiliation(s)
- Ji Young Cecilia Park
- Laboratory of Extracellular Matrix Regeneration, Institute of Translational Medicine, Department of Health Sciences and Technology, ETH Zürich, Schwerzenbach, Switzerland
| | - Aaron King
- Foresight Institute, San Francisco, California, United States
| | | | - Bradley W English
- Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, United States
| | | | - Collin Y Ewald
- Laboratory of Extracellular Matrix Regeneration, Institute of Translational Medicine, Department of Health Sciences and Technology, ETH Zürich, Schwerzenbach, Switzerland
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14
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Waseem R, Khan T, Shamsi A, Shahid M, Kazim SN, Hassan MI, Islam A. Inhibitory potential of N-acetylaspartate against protein glycation, AGEs formation and aggregation: Implication of brain osmolyte in glycation-related complications. Int J Biol Macromol 2023:125405. [PMID: 37336383 DOI: 10.1016/j.ijbiomac.2023.125405] [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: 02/01/2023] [Revised: 06/11/2023] [Accepted: 06/13/2023] [Indexed: 06/21/2023]
Abstract
Protein glycation and aggregation have a pivotal role in many diseases including diabetes and neurodegenerative disorders. N-acetyl aspartate (NAA), an osmolyte derived from L-aspartic acid, is one of the most abundant metabolites in the mammalian brain. Although NAA is supposed to be a substitute for a neuronal marker, its function is not fully elucidated. Herein, we have investigated the effect of NAA on glycation, AGEs formation and aggregation of irisin. AGE-specific fluorescence showed the strong inhibition of AGEs formation in the presence of NAA, demonstrating its anti-glycating property. The aggregates present in MG-modified irisin were also reduced by NAA, which was confirmed by Thioflavin T fluorescence and fluorescence microscopy. Further, for the explanation of the strong anti-glycating potential of NAA, the interaction between irisin and NAA was also examined. Interaction studies involving steady-state fluorescence and molecular docking demonstrated that hydrogen bonding and salt bridges by NAA stabilize the irisin. It was found that glycation-prone residues i.e., lysine and arginine are specifically involved in the interaction which might prevent them from getting modified during the process of glycation. This study for the first time reported the antiglycating potential of NAA which can be implicated in the therapeutic management of various glycation-related complications.
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Affiliation(s)
- Rashid Waseem
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Tanzeel Khan
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Anas Shamsi
- Centre of Medical and Bio-allied Health Sciences Research, Ajman University, United Arab Emirates
| | - Mohammad Shahid
- Department of Basic Medical Sciences, College of Medicine, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Syed Naqui Kazim
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Md Imtaiyaz Hassan
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Asimul Islam
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India.
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15
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Moises JE, Regl C, Hinterholzer A, Huber CG, Schubert M. Unambiguous Identification of Glucose-Induced Glycation in mAbs and other Proteins by NMR Spectroscopy. Pharm Res 2023; 40:1341-1353. [PMID: 36510116 PMCID: PMC10338404 DOI: 10.1007/s11095-022-03454-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 11/30/2022] [Indexed: 12/14/2022]
Abstract
OBJECTIVE Glycation is a non-enzymatic and spontaneous post-translational modification (PTM) generated by the reaction between reducing sugars and primary amine groups within proteins. Because glycation can alter the properties of proteins, it is a critical quality attribute of therapeutic monoclonal antibodies (mAbs) and should therefore be carefully monitored. The most abundant product of glycation is formed by glucose and lysine side chains resulting in fructoselysine after Amadori rearrangement. In proteomics, which routinely uses a combination of chromatography and mass spectrometry to analyze PTMs, there is no straight-forward way to distinguish between glycation products of a reducing monosaccharide and an additional hexose within a glycan, since both lead to a mass difference of 162 Da. METHODS To verify that the observed mass change is indeed a glycation product, we developed an approach based on 2D NMR spectroscopy spectroscopy and full-length protein samples denatured using high concentrations of deuterated urea. RESULTS The dominating β-pyranose form of the Amadori product shows a characteristic chemical shift correlation pattern in 1H-13C HSQC spectra suited to identify glucose-induced glycation. The same pattern was observed in spectra of a variety of artificially glycated proteins, including two mAbs, as well as natural proteins. CONCLUSION Based on this unique correlation pattern, 2D NMR spectroscopy can be used to unambiguously identify glucose-induced glycation in any protein of interest. We provide a robust method that is orthogonal to MS-based methods and can also be used for cross-validation.
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Affiliation(s)
- Jennifer E Moises
- Department of Biosciences and Medical Biology, University of Salzburg, Hellbrunner Strasse 34, 5020, Salzburg, Austria
| | - Christof Regl
- Department of Biosciences and Medical Biology, University of Salzburg, Hellbrunner Strasse 34, 5020, Salzburg, Austria
- Christian Doppler Laboratory for Innovative Tools for Biosimilar Characterization, University of Salzburg, Hellbrunner Strasse 34, 5020, Salzburg, Austria
| | - Arthur Hinterholzer
- Department of Biosciences and Medical Biology, University of Salzburg, Hellbrunner Strasse 34, 5020, Salzburg, Austria
- Christian Doppler Laboratory for Innovative Tools for Biosimilar Characterization, University of Salzburg, Hellbrunner Strasse 34, 5020, Salzburg, Austria
| | - Christian G Huber
- Department of Biosciences and Medical Biology, University of Salzburg, Hellbrunner Strasse 34, 5020, Salzburg, Austria
- Christian Doppler Laboratory for Innovative Tools for Biosimilar Characterization, University of Salzburg, Hellbrunner Strasse 34, 5020, Salzburg, Austria
| | - Mario Schubert
- Department of Biosciences and Medical Biology, University of Salzburg, Hellbrunner Strasse 34, 5020, Salzburg, Austria.
- Christian Doppler Laboratory for Innovative Tools for Biosimilar Characterization, University of Salzburg, Hellbrunner Strasse 34, 5020, Salzburg, Austria.
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16
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Dechojarassri D, Kaneshige R, Tamura H, Furuike T. Preparation and Characterization of Crosslinked Electrospun Gelatin Fabrics via Maillard Reactions. MATERIALS (BASEL, SWITZERLAND) 2023; 16:ma16114078. [PMID: 37297211 DOI: 10.3390/ma16114078] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 05/23/2023] [Accepted: 05/25/2023] [Indexed: 06/12/2023]
Abstract
In this study, nonwoven gelatin (Gel) fabrics crosslinked using N-acetyl-D-glucosamine (GlcNAc) were characterized and compared with those crosslinked using methylglyoxal (MG) and by thermal dehydration. We prepared Gel with 25% concentration along with Gel/GlcNAc and Gel/MG with a GlcNAc-to-Gel ratio of 5% and MG-to-Gel ratio of 0.6%. A high voltage of 23 kV, solution temperature of 45 °C, and distance of 10 cm between the tip and the collector were applied during electrospinning. The electrospun Gel fabrics were crosslinked by heat treatment at 140 and 150 °C for 1 d. The electrospun Gel/GlcNAc fabrics were treated at 100 and 150 °C for 2 d, while the Gel/MG fabrics were heat-treated for 1 d. The Gel/MG fabrics exhibited higher tensile strength and lower elongation than the Gel/GlcNAc fabrics. Overall, Gel/MG crosslinked at 150 °C for 1 d showed a significant enhancement in tensile strength, high hydrolytic degradation, and excellent biocompatibility, with cell viability percentages of 105 and 130% at 1 and 3 d, respectively. Therefore, MG is a promising Gel crosslinker.
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Affiliation(s)
- Duangkamol Dechojarassri
- Faculty of Chemistry, Materials and Bioengineering, Kansai University, Osaka 564-8680, Japan
- Organization for Research and Development of Innovative Science and Technology (ORDIST), Kansai University, 3-3-35 Yamate-cho, Suita, Osaka 564-8680, Japan
| | - Ryota Kaneshige
- Faculty of Chemistry, Materials and Bioengineering, Kansai University, Osaka 564-8680, Japan
| | - Hiroshi Tamura
- Faculty of Chemistry, Materials and Bioengineering, Kansai University, Osaka 564-8680, Japan
- Organization for Research and Development of Innovative Science and Technology (ORDIST), Kansai University, 3-3-35 Yamate-cho, Suita, Osaka 564-8680, Japan
| | - Tetsuya Furuike
- Faculty of Chemistry, Materials and Bioengineering, Kansai University, Osaka 564-8680, Japan
- Organization for Research and Development of Innovative Science and Technology (ORDIST), Kansai University, 3-3-35 Yamate-cho, Suita, Osaka 564-8680, Japan
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17
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Ito K, Kikuchi T, Ikube K, Otsuki K, Koike K, Li W. LC-MS Profiling of Kakkonto and Identification of Ephedrine as a Key Component for Its Anti-Glycation Activity. Molecules 2023; 28:molecules28114409. [PMID: 37298887 DOI: 10.3390/molecules28114409] [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: 04/22/2023] [Revised: 05/26/2023] [Accepted: 05/26/2023] [Indexed: 06/12/2023] Open
Abstract
A total of 147 oral Kampo prescriptions, which are used clinically in Japan, were evaluated for their anti-glycation activity. Kakkonto demonstrated significant anti-glycation activity, prompting further analysis of its chemical constituents using LC-MS, which revealed the presence of two alkaloids, fourteen flavonoids, two but-2-enolides, five monoterpenoids, and four triterpenoid glycosides. To identify the components responsible for its anti-glycation activity, the Kakkonto extract was reacted with glyceraldehyde (GA) or methylglyoxal (MGO) and analyzed using LC-MS. In LC-MS analysis of Kakkonto reacted with GA, the peak intensity of ephedrine was attenuated, and three products from ephedrine-scavenging GA were detected. Similarly, LC-MS analysis of Kakkonto reacted with MGO revealed two products from ephedrine reacting with MGO. These results indicated that ephedrine was responsible for the observed anti-glycation activity of Kakkonto. Ephedrae herba extract, which contains ephedrine, also showed strong anti-glycation activity, further supporting ephedrine's contribution to Kakkonto's reactive carbonyl species' scavenging ability and anti-glycation activity.
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Affiliation(s)
- Kaori Ito
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi 274-8510, Chiba, Japan
| | - Takashi Kikuchi
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi 274-8510, Chiba, Japan
| | - Kanako Ikube
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi 274-8510, Chiba, Japan
| | - Kouharu Otsuki
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi 274-8510, Chiba, Japan
| | - Kazuo Koike
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi 274-8510, Chiba, Japan
| | - Wei Li
- Faculty of Pharmaceutical Sciences, Toho University, Miyama 2-2-1, Funabashi 274-8510, Chiba, Japan
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18
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Watanabe T, Yoshikawa T, Tanaka H, Kinashi Y, Kashino G, Masunaga SI, Hayashi T, Uehara K, Ono K, Suzuki M. Pharmacokinetic Study of 14C-Radiolabeled p-Boronophenylalanine (BPA) in Sorbitol Solution and the Treatment Outcome of BPA-Based Boron Neutron Capture Therapy on a Tumor-Bearing Mouse Model. Eur J Drug Metab Pharmacokinet 2023:10.1007/s13318-023-00830-y. [PMID: 37198368 DOI: 10.1007/s13318-023-00830-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/25/2023] [Indexed: 05/19/2023]
Abstract
BACKGROUND AND OBJECTIVE Boron neutron capture therapy (BNCT) is a binary cancer treatment that combines boron administration and neutron irradiation. The tumor cells take up the boron compound and the subsequent neutron irradiation results in a nuclear fission reaction caused by the neutron capture reaction of the boron nuclei. This produces highly cytocidal heavy particles, leading to the destruction of tumor cells. p-boronophenylalanine (BPA) is widely used in BNCT but is insoluble in water and requires reducing sugar or sugar alcohol as a dissolvent to create an aqueous solution for administration. The purpose of this study was to investigate the pharmacokinetics of 14C-radiolabeled BPA using sorbitol as a dissolvent, which has not been reported before, and confirm whether neutron irradiation with a sorbitol solution of BPA can produce an antitumor effect of BNCT. MATERIALS AND METHODS In this study, we evaluated the sugar alcohol, sorbitol, as a novel dissolution aid and examined the consequent stability of the BPA for long-term storage. U-87 MG and SAS tumor cell lines were used for in vitro and in vivo experiments. We examined the pharmacokinetics of 14C-radiolabeled BPA in sorbitol solution, administered either intravenously or subcutaneously to a mouse tumor model. Neutron irradiation was performed in conjunction with the administration of BPA in sorbitol solution using the same tumor cell lines both in vitro and in vivo. RESULTS We found that BPA in sorbitol solution maintains stability for longer than in fructose solution, and can therefore be stored for a longer period. Pharmacokinetic studies with 14C-radiolabeled BPA confirmed that the sorbitol solution of BPA distributed through tumors in much the same way as BPA in fructose. Neutron irradiation was found to produce dose-dependent antitumor effects, both in vitro and in vivo, after the administration of BPA in sorbitol solution. CONCLUSION In this report, we demonstrate the efficacy of BPA in sorbitol solution as the boron source in BNCT.
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Affiliation(s)
- Tsubasa Watanabe
- Institute for Integrated Radiation and Nuclear Science, Kyoto University, 2, Asashiro-Nishi, Kumatori-cho, Sennan-gun, Osaka, 590-0494, Japan.
- The Hakubi Project, Kyoto University, Kyoto, Japan.
| | | | - Hiroki Tanaka
- Institute for Integrated Radiation and Nuclear Science, Kyoto University, 2, Asashiro-Nishi, Kumatori-cho, Sennan-gun, Osaka, 590-0494, Japan
| | - Yuko Kinashi
- Institute for Integrated Radiation and Nuclear Science, Kyoto University, 2, Asashiro-Nishi, Kumatori-cho, Sennan-gun, Osaka, 590-0494, Japan
| | - Genro Kashino
- Radioisotope Research Center, Nara Medical University, Nara, Japan
| | - Shin-Ichiro Masunaga
- Institute for Integrated Radiation and Nuclear Science, Kyoto University, 2, Asashiro-Nishi, Kumatori-cho, Sennan-gun, Osaka, 590-0494, Japan
- Kinshukai Hanwa Daini Senboku Hospital, Osaka, Japan
| | | | | | - Koji Ono
- Institute for Integrated Radiation and Nuclear Science, Kyoto University, 2, Asashiro-Nishi, Kumatori-cho, Sennan-gun, Osaka, 590-0494, Japan
- Kansai BNCT Medical Center, Osaka Medical and Pharmaceutical University, Osaka, Japan
| | - Minoru Suzuki
- Institute for Integrated Radiation and Nuclear Science, Kyoto University, 2, Asashiro-Nishi, Kumatori-cho, Sennan-gun, Osaka, 590-0494, Japan.
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19
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Mautone Gomes H, Silveira AK, Gasparotto J, Bortolin RC, Terra SR, Brum PO, Gelain DP, Fonseca Moreira JC. Effects of coconut oil long-term supplementation in Wistar rats during metabolic syndrome - regulation of metabolic conditions involving glucose homeostasis, inflammatory signals, and oxidative stress. J Nutr Biochem 2023; 114:109272. [PMID: 36681309 DOI: 10.1016/j.jnutbio.2023.109272] [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: 06/20/2022] [Revised: 11/22/2022] [Accepted: 01/13/2023] [Indexed: 01/20/2023]
Abstract
This study was designed to evaluate the long-term effects of Fructose (20%) feeding in rats, simulating metabolic syndrome (MetS), and the effects of coconut oil (C.O.) supplementation when administered in a MetS context. MetS is a cluster of systemic conditions that represent an increased chance of developing cardiovascular diseases and type 2 diabetes in the future. C.O. has been the target of media speculation, and recent studies report inconsistent results. C.O. improved glucose homeostasis and reduced fat accumulation in Fructose-fed rats while decreasing the levels of triglycerides (TGs) in the liver. C.O. supplementation also increased TGs levels and fructosamine in serum during MetS, possibly due to white adipose tissue breakdown and high fructose feeding. Pro-inflammatory cytokines IL-1β and TNF-α were also increased in rats treated with Fructose and C.O. Oxidative stress marker nitrotyrosine is increased in fructose-fed animals, and C.O. treatment did not prevent this damage. No significant changes were observed in lipoperoxidation marker 4-Hydroxynonenal; however, fructose feeding increased total conjugated dienes and caused conjugated dienes to switch their conformation from cis-trans to trans-trans, which was not prevented by C.O. treatment. Potential benefits of C.O. have been reported with inconsistent results, and indeed we observed some benefits of C.O. supplementation in aiding weight loss, fat accumulation, and improving glucose homeostasis. Nonetheless, we also demonstrated that long-term C.O. supplementation could present some problematic effects with higher risk for individuals suffering MetS, including increased TGs and fructosamine levels and conformational changes in dienes.
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Affiliation(s)
- Henrique Mautone Gomes
- Center of Oxidative Stress Studies, Department of Biochemistry, Institute of Basic Health Sciences - Federal University of Rio Grande do Sul - UFRGS, Brazil.
| | - Alexandre K Silveira
- Center of Oxidative Stress Studies, Department of Biochemistry, Institute of Basic Health Sciences - Federal University of Rio Grande do Sul - UFRGS, Brazil
| | - Juciano Gasparotto
- Institute of Biomedical Sciences, Departament of Biochemistry, Federal University of Alfenas - UNIFAL, Minas Gerais, Brazil
| | - Rafael Calixto Bortolin
- Departamento de Ingeniería Civil y Ambiental, Universidad de La Costa - Barranquilla, Atlántico, Colombia
| | - Silvia R Terra
- Hospital Veterinário UNISUL, Universidade do Sul de Santa Catarina, Avenida José Acácio Moreira, 787, Dehon, Tubarão, Santa Catarina, Brasil
| | - Pedro O Brum
- Dr Bohr-Gasse 9, Universität Wien, department of microbiology, immunology and genetics, Max Perutz Labs, 1030, Vienna, Austria
| | - Daniel P Gelain
- Center of Oxidative Stress Studies, Department of Biochemistry, Institute of Basic Health Sciences - Federal University of Rio Grande do Sul - UFRGS, Brazil
| | - José C Fonseca Moreira
- Center of Oxidative Stress Studies, Department of Biochemistry, Institute of Basic Health Sciences - Federal University of Rio Grande do Sul - UFRGS, Brazil
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Spagnuolo L, Della Posta S, Fanali C, Dugo L, De Gara L. Chemical Composition of Hazelnut Skin Food Waste and Protective Role against Advanced Glycation End-Products (AGEs) Damage in THP-1-Derived Macrophages. Molecules 2023; 28:molecules28062680. [PMID: 36985650 PMCID: PMC10054400 DOI: 10.3390/molecules28062680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/09/2023] [Accepted: 03/12/2023] [Indexed: 03/18/2023] Open
Abstract
Glycation and the accumulation of advanced glycation end-products (AGEs) are known to occur during aging, diabetes and neurodegenerative diseases. Increased glucose or methylglyoxal (MGO) levels in the blood of diabetic patients result in increased AGEs. A diet rich in bioactive food compounds, like polyphenols, has a protective effect. The aim of this work is to evaluate the capacity of hazelnut skin polyphenolic extract to protect THP-1-macrophages from damage induced by AGEs. The main polyphenolic subclass was identified and quantified by means of HPLC/MS and the Folin–Ciocalteu method. AGEs derived from incubation of bovine serum albumin (BSA) and MGO were characterized by fluorescence. Cell viability measurement was performed to evaluate the cytotoxic effect of the polyphenolic extract in macrophages. Reactive oxygen species’ (ROS) production was assessed by the H2-DCF-DA assay, the inflammatory response by real-time PCR for gene expression, and the ELISA assay for protein quantification. We have shown that the polyphenolic extract protected cell viability from damage induced by AGEs. After treatment with AGEs, macrophages expressed high levels of pro-inflammatory cytokines and ROS, whereas in co-treatment with polyphenol extract there was a reduction in either case. Our study suggests that hazelnut skin polyphenol-rich extracts have positive effects and could be further investigated for nutraceutical applications.
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Affiliation(s)
| | | | | | - Laura Dugo
- Correspondence: ; Tel.: +39-06-22541-9470
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21
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Shin A, Connolly S, Kabytaev K. Protein glycation in diabetes mellitus. Adv Clin Chem 2023; 113:101-156. [PMID: 36858645 DOI: 10.1016/bs.acc.2022.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Diabetes mellitus is the ninth leading cause of mortality worldwide. It is a complex disease that manifests as chronic hyperglycemia. Glucose exposure causes biochemical changes at the proteome level as reflected in accumulation of glycated proteins. A prominent example is hemoglobin A1c (HbA1c), a glycated protein widely accepted as a diabetic indicator. Another emerging biomarker is glycated albumin which has demonstrated utility in situations where HbA1c cannot be used. Other proteins undergo glycation as well thus impacting cellular function, transport and immune response. Accordingly, these glycated counterparts may serve as predictors for diabetic complications and thus warrant further inquiry. Fortunately, modern proteomics has provided unique analytic capability to enable improved and more comprehensive exploration of glycating agents and glycated proteins. This review broadly covers topics from epidemiology of diabetes to modern analytical tools such as mass spectrometry to facilitate a better understanding of diabetes pathophysiology. This serves as an attempt to connect clinically relevant questions with findings of recent proteomic studies to suggest future avenues of diabetes research.
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Affiliation(s)
- Aleks Shin
- Department of Pathology & Anatomical Sciences, School of Medicine, University of Missouri, Columbia, MO, United States
| | - Shawn Connolly
- Department of Pathology & Anatomical Sciences, School of Medicine, University of Missouri, Columbia, MO, United States
| | - Kuanysh Kabytaev
- Department of Pathology & Anatomical Sciences, School of Medicine, University of Missouri, Columbia, MO, United States.
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22
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Lauriola M, Farré R, Evenepoel P, Overbeek SA, Meijers B. Food-Derived Uremic Toxins in Chronic Kidney Disease. Toxins (Basel) 2023; 15:toxins15020116. [PMID: 36828430 PMCID: PMC9960799 DOI: 10.3390/toxins15020116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/23/2023] [Accepted: 01/25/2023] [Indexed: 02/04/2023] Open
Abstract
Patients with chronic kidney disease (CKD) have a higher cardiovascular risk compared to the average population, and this is partially due to the plasma accumulation of solutes known as uremic toxins. The binding of some solutes to plasma proteins complicates their removal via conventional therapies, e.g., hemodialysis. Protein-bound uremic toxins originate either from endogenous production, diet, microbial metabolism, or the environment. Although the impact of diet on uremic toxicity in CKD is difficult to quantify, nutrient intake plays an important role. Indeed, most uremic toxins are gut-derived compounds. They include Maillard reaction products, hippurates, indoles, phenols, and polyamines, among others. In this review, we summarize the findings concerning foods and dietary components as sources of uremic toxins or their precursors. We then discuss their endogenous metabolism via human enzyme reactions or gut microbial fermentation. Lastly, we present potential dietary strategies found to be efficacious or promising in lowering uremic toxins plasma levels. Aligned with current nutritional guidelines for CKD, a low-protein diet with increased fiber consumption and limited processed foods seems to be an effective treatment against uremic toxins accumulation.
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Affiliation(s)
- Mara Lauriola
- Laboratory of Nephrology and Renal Transplantation, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
- Department of Nephrology and Renal Transplantation, University Hospitals Leuven, 3000 Leuven, Belgium
| | - Ricard Farré
- Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, 3000 Leuven, Belgium
| | - Pieter Evenepoel
- Laboratory of Nephrology and Renal Transplantation, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
- Department of Nephrology and Renal Transplantation, University Hospitals Leuven, 3000 Leuven, Belgium
| | | | - Björn Meijers
- Laboratory of Nephrology and Renal Transplantation, Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
- Department of Nephrology and Renal Transplantation, University Hospitals Leuven, 3000 Leuven, Belgium
- Correspondence: ; Tel.: +32-16-344-580
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23
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Phuong-Nguyen K, McNeill BA, Aston-Mourney K, Rivera LR. Advanced Glycation End-Products and Their Effects on Gut Health. Nutrients 2023; 15:nu15020405. [PMID: 36678276 PMCID: PMC9867518 DOI: 10.3390/nu15020405] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 12/20/2022] [Accepted: 01/11/2023] [Indexed: 01/14/2023] Open
Abstract
Dietary advanced glycation end-products (AGEs) are a heterogeneous group of compounds formed when reducing sugars are heated with proteins, amino acids, or lipids at high temperatures for a prolonged period. The presence and accumulation of AGEs in numerous cell types and tissues are known to be prevalent in the pathology of many diseases. Modern diets, which contain a high proportion of processed foods and therefore a high level of AGE, cause deleterious effects leading to a multitude of unregulated intracellular and extracellular signalling and inflammatory pathways. Currently, many studies focus on investigating the chemical and structural aspects of AGEs and how they affect the metabolism and the cardiovascular and renal systems. Studies have also shown that AGEs affect the digestive system. However, there is no complete picture of the implication of AGEs in this area. The gastrointestinal tract is not only the first and principal site for the digestion and absorption of dietary AGEs but also one of the most susceptible organs to AGEs, which may exert many local and systemic effects. In this review, we summarise the current evidence of the association between a high-AGE diet and poor health outcomes, with a special focus on the relationship between dietary AGEs and alterations in the gastrointestinal structure, modifications in enteric neurons, and microbiota reshaping.
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Guo Y, Wang L, Hanson A, Urriola PE, Shurson GC, Chen C. Identification of Protective Amino Acid Metabolism Events in Nursery Pigs Fed Thermally Oxidized Corn Oil. Metabolites 2023; 13:metabo13010103. [PMID: 36677028 PMCID: PMC9866068 DOI: 10.3390/metabo13010103] [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: 12/06/2022] [Revised: 12/28/2022] [Accepted: 01/05/2023] [Indexed: 01/11/2023] Open
Abstract
Feeding thermally oxidized lipids to pigs has been shown to compromise growth and health, reduce energy digestibility, and disrupt lipid metabolism. However, the effects of feeding oxidized lipids on amino acid metabolism in pigs have not been well defined even though amino acids are indispensable for the subsistence of energy metabolism, protein synthesis, the antioxidant system, and many other functions essential for pig growth and health. In this study, oxidized corn oil (OCO)-elicited changes in amino acid homeostasis of nursery pigs were examined by metabolomics-based biochemical analysis. The results showed that serum and hepatic free amino acids and metabolites, including tryptophan, threonine, alanine, glutamate, and glutathione, as well as associated metabolic pathways, were selectively altered by feeding OCO, and more importantly, many of these metabolic events possess protective functions. Specifically, OCO activated tryptophan-nicotinamide adenosine dinucleotide (NAD+) synthesis by the transcriptional upregulation of the kynurenine pathway in tryptophan catabolism and promoted adenine nucleotide biosynthesis. Feeding OCO induced oxidative stress, causing decreases in glutathione (GSH)/oxidized glutathione (GSSG) ratio, carnosine, and ascorbic acid in the liver but simultaneously promoted antioxidant responses as shown by the increases in hepatic GSH and GSSG as well as the transcriptional upregulation of GSH metabolism-related enzymes. Moreover, OCO reduced the catabolism of threonine to α-ketobutyrate in the liver by inhibiting the threonine dehydratase (TDH) route. Overall, these protective metabolic events indicate that below a certain threshold of OCO consumption, nursery pigs are capable of overcoming the oxidative stress and metabolic challenges posed by the consumption of oxidized lipids by adjusting antioxidant, nutrient, and energy metabolism, partially through the transcriptional regulation of amino acid metabolism.
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Affiliation(s)
- Yue Guo
- Department of Food Science and Nutrition, University of Minnesota, 1334 Eckles Ave., St. Paul, MN 55108, USA
| | - Lei Wang
- Department of Food Science and Nutrition, University of Minnesota, 1334 Eckles Ave., St. Paul, MN 55108, USA
| | - Andrea Hanson
- Department of Animal Science, University of Minnesota, 1364 Eckles Ave., St. Paul, MN 55108, USA
| | - Pedro E. Urriola
- Department of Animal Science, University of Minnesota, 1364 Eckles Ave., St. Paul, MN 55108, USA
| | - Gerald C. Shurson
- Department of Animal Science, University of Minnesota, 1364 Eckles Ave., St. Paul, MN 55108, USA
| | - Chi Chen
- Department of Food Science and Nutrition, University of Minnesota, 1334 Eckles Ave., St. Paul, MN 55108, USA
- Department of Animal Science, University of Minnesota, 1364 Eckles Ave., St. Paul, MN 55108, USA
- Correspondence: ; Tel.: +1-612-624-7704; Fax: +1-612-625-5272
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25
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Beeraka NM, Zhang J, Zhao D, Liu J, A U C, Vikram Pr H, Shivaprakash P, Bannimath N, Manogaran P, Sinelnikov MY, Bannimath G, Fan R. Combinatorial Implications of Nrf2 Inhibitors with FN3K Inhibitor: In vitro Breast Cancer Study. Curr Pharm Des 2023; 29:2408-2425. [PMID: 37861038 DOI: 10.2174/0113816128261466231011114600] [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: 05/18/2023] [Revised: 08/07/2023] [Accepted: 08/14/2023] [Indexed: 10/21/2023]
Abstract
BACKGROUND Platinum derivatives are chemotherapeutic agents preferred for the treatment of cancers including breast cancer. Oxaliplatin is an anticancer drug that is in phase II studies to treat metastatic breast cancer. However, its usage is constrained by chemoresistance and dose-related side effects. OBJECTIVE The objective of this study is to examine the combinatorial efficacy of brusatol, an Nrf2 blocker, with oxaliplatin (a proven FN3K blocker in our study) in mitigating breast cancer growth in vitro. METHODS We performed cytotoxicity assays, combination index (CI) analysis, colony formation assays, apoptosis assays, and Western blotting. RESULTS Results of our study described the chemosensitizing efficacy of brusatol in combination with lowdose oxaliplatin against breast cancer through synergistic effects in both BT-474 and T47D cells. A significant mitigation in the migration rate of these cancer cells was observed with the combination regimen, which is equivalent to the IC-50 dose of oxaliplatin (125 μM). Furthermore, ROS-mediated and apoptotic modes of cell death were observed with a combinatorial regimen. Colony formation of breast cancer cell lines was mitigated with a combinatorial regimen of bursatol and oxaliplatin than the individual treatment regimen. FN3K expression downregulated with oxaliplatin in T47D cells. The mitigation of FN3K protein expression with a combination regimen was not observed but the Nrf2 downstream antioxidant signaling proteins were significantly downregulated with a combination regimen similar to individual drug regimens. CONCLUSION Our study concluded the combination efficacy of phytochemicals like brusatol in combination with low-dose oxaliplatin (FN3K blocker), which could enhance the chemosensitizing effect in breast cancer and minimize the overall dose requirement of oxaliplatin.
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Affiliation(s)
- Narasimha M Beeraka
- Cancer Center, The First Affiliated Hospital of Zhengzhou University, 1 Jianshedong Str., Zhengzhou 450052, China
- Sechenov First Moscow State Medical University, 8-2 Trubetskaya St., Moscow 119991, Russia
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, JSS Academy of Higher Education & Research (JSS AHER), Mysuru, Karnataka, India
| | - Jin Zhang
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, Mississippi 39216, USA
| | - Di Zhao
- Department of Endocrinology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Junqi Liu
- Cancer Center, The First Affiliated Hospital of Zhengzhou University, 1 Jianshedong Str., Zhengzhou 450052, China
- Department of Radiation Oncology, The First Affiliated Hospital of Zhengzhou University, 1 Jianshedong Str., Zhengzhou 450052, China
| | - Chinnappa A U
- Department of Biochemistry, JSS Medical College, JSS Academy of Higher Education & Research (JSS AHER), Mysuru, Karnataka, India
| | - Hemanth Vikram Pr
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, JSS Academy of Higher Education & Research (JSS AHER), Mysuru, Karnataka, India
- Xenone Healthcare Pvt. Ltd, #318, Third Floor, US Complex, Jasola, New Delhi 110076, India
| | - Priyanka Shivaprakash
- Faculty of Life Sciences, JSS Academy of Higher Education & Research (JSS AHER), Mysuru, Karnataka, India
| | - Namitha Bannimath
- Department of Pharmacology and Toxicology, JSS College of Pharmacy, JSS Academy of Higher Education & Research (JSS AHER), Mysuru, Karnataka, India
| | - Prasath Manogaran
- Department of Biotechnology, Bharathiar University, Coimbatore, Tamil Nadu 641046, India
| | - Mikhail Y Sinelnikov
- Sechenov First Moscow State Medical University, 8-2 Trubetskaya St., Moscow 119991, Russia
- Sinelab Biomedical Research Center, Minnesota 55905, USA
| | - Gurupadayya Bannimath
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, JSS Academy of Higher Education & Research (JSS AHER), Mysuru, Karnataka, India
| | - Ruitai Fan
- Cancer Center, The First Affiliated Hospital of Zhengzhou University, 1 Jianshedong Str., Zhengzhou 450052, China
- Department of Radiation Oncology, The First Affiliated Hospital of Zhengzhou University, 1 Jianshedong Str., Zhengzhou 450052, China
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26
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Panda A, Sabnam K, De S, Dasgupta S. Non-enzymatic glycation of human angiogenin: Effects on enzymatic activity and binding to hRI and DNA. Biochimie 2022; 208:151-159. [PMID: 36592684 DOI: 10.1016/j.biochi.2022.12.020] [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: 07/29/2022] [Revised: 12/28/2022] [Accepted: 12/29/2022] [Indexed: 12/31/2022]
Abstract
The effects of non-enzymatic glycation on the structural and functional properties of human angiogenin (hAng) have been investigated with respect to the formation of advanced glycated end products (AGEs), on prolonged treatment with d-Glucose, d-Fructose and d-Ribose at 37 °C. Fluorescence studies show the formation of fluorescent AGEs which exhibit emission maxima at 406 nm and 435 nm. Glycation of hAng with ribose leads to the maximum loss of its functional characteristic properties, as compared to fructose and glucose, along with the formation of higher oligomers. An increase in the incubation time results in the formation of higher oligomers with a concomitant decrease in the ribonucleolytic activity. The increase in the hydrodynamic radii of the glycated samples compared to native hAng is indicative of structural perturbations. The ribonucleolytic activity and the DNA binding ability of glycated hAng has been investigated by an agarose gel-based assay. Glycated hAng was unable to bind with human placental ribonuclease inhibitor (hRI), otherwise known to form one of the strongest protein-protein interaction systems with an affinity in the femtomolar range.
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Affiliation(s)
- Atashi Panda
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Kabira Sabnam
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Soumya De
- School of Bioscience, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Swagata Dasgupta
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India.
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Role of Nitric Oxide-Derived Metabolites in Reactions of Methylglyoxal with Lysine and Lysine-Rich Protein Leghemoglobin. Int J Mol Sci 2022; 24:ijms24010168. [PMID: 36613614 PMCID: PMC9820652 DOI: 10.3390/ijms24010168] [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: 11/16/2022] [Revised: 12/14/2022] [Accepted: 12/17/2022] [Indexed: 12/24/2022] Open
Abstract
Carbonyl stress occurs when reactive carbonyl compounds (RCC), such as reducing sugars, dicarbonyls etc., accumulate in the organism. The interaction of RCC carbonyl groups with amino groups of molecules is called the Maillard reaction. One of the most active RCCs is α-dicarbonyl methylglyoxal (MG) that modifies biomolecules forming non-enzymatic glycation products. Organic free radicals are formed in the reaction between MG and lysine or Nα-acetyllysine. S-nitrosothiols and nitric oxide (•NO) donor PAPA NONOate increased the yield of organic free radical intermediates, while other •NO-derived metabolites, namely, nitroxyl anion and dinitrosyl iron complexes (DNICs) decreased it. At the late stages of the Maillard reaction, S-nitrosoglutathione (GSNO) also inhibited the formation of glycation end products (AGEs). The formation of a new type of DNICs, bound with Maillard reaction products, was found. The results obtained were used to explain the glycation features of legume hemoglobin-leghemoglobin (Lb), which is a lysine-rich protein. In Lb, lysine residues can form fluorescent cross-linked AGEs, and •NO-derived metabolites slow down their formation. The knowledge of these processes can be used to increase the stability of Lb. It can help in better understanding the impact of stress factors on legume plants and contribute to the production of recombinant Lb for biotechnology.
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Guvatova ZG, Borisov PV, Alekseev AA, Moskalev AA. Age-Related Changes in Extracellular Matrix. BIOCHEMISTRY. BIOKHIMIIA 2022; 87:1535-1551. [PMID: 36717445 DOI: 10.1134/s0006297922120112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Extracellular matrix (ECM) is an extracellular tissue structure that, in addition to mechanical support to the cell, is involved in regulation of many cellular processes, including chemical transport, growth, migration, differentiation, and cell senescence. Age-related changes in the structure and composition of the matrix and increase of ECM stiffness with age affect functioning of many tissues and contribute to the development of various pathological conditions. This review considers age-related changes of ECM in various tissues and organs, in particular, effect of ECM changes on aging is discussed.
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Affiliation(s)
- Zulfiia G Guvatova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia.,Russian Clinical Research Center for Gerontology, Pirogov Russian National Research Medical University, Ministry of Healthcare of the Russian Federation, Moscow, 129226, Russia
| | - Pavel V Borisov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia
| | - Alexey A Alekseev
- Russian Clinical Research Center for Gerontology, Pirogov Russian National Research Medical University, Ministry of Healthcare of the Russian Federation, Moscow, 129226, Russia
| | - Alexey A Moskalev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, 119991, Russia. .,Russian Clinical Research Center for Gerontology, Pirogov Russian National Research Medical University, Ministry of Healthcare of the Russian Federation, Moscow, 129226, Russia
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29
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Sarin D, Kumar S, Rathore AS. Multiattribute Monitoring of Charge-Based Heterogeneity of Recombinant Monoclonal Antibodies Using 2D HIC-WCX-MS. Anal Chem 2022; 94:15018-15026. [PMID: 36260865 DOI: 10.1021/acs.analchem.2c02931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Charged heterogeneity of monoclonal antibody (mAb) products is regarded as a critical quality attribute (CQA) depending on its impact on the safety and efficacy profile of the product. Hence, manufacturers are expected to perform a comprehensive characterization of the charge heterogeneity to ensure that the manufactured product meets its specifications. Further, monitoring is also expected during the product lifecycle to demonstrate consistency in product quality. However, conventional analytical methods for characterization of hydrophobic and charge variants are nonvolatile salt-based and require manual fraction collection and desalting steps before analysis through mass spectrometry can be performed. In the present study, a workflow of a two-dimensional liquid chromatography method using mass spectrometry (MS)-compatible buffers coupled with native mass spectrometry was performed to characterize hydrophobic variants in the first dimension and charge variants in the second dimension without any need for manual fractionation. This novel two-dimensional (2D) hydrophobic interaction chromatography (HIC)-weak cation-exchange chromatography (WCX)-MS workflow identified 10 variants in mAb A, out of which 2 variants are exclusive to the 2D orthogonal method. Similarly, for mAb B, a total of 11 variants are identified, including 5 variants exclusive to the 2D orthogonal workflow. When compared to stand-alone, HIC resolved only 4 variants for both mAbs and WCX resolved 7 variants for mAb A and 6 variants for mAb B. In addition, the proposed method allows direct characterization of hydrophobic/charge variant peaks through native mass spectrometry in a single-run workflow.
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Affiliation(s)
- Deepika Sarin
- Department of Chemical Engineering, IIT Delhi, Hauz Khas, New Delhi, Delhi 110016, India
| | - Sunil Kumar
- Department of Chemical Engineering, IIT Delhi, Hauz Khas, New Delhi, Delhi 110016, India
| | - Anurag S Rathore
- Department of Chemical Engineering, IIT Delhi, Hauz Khas, New Delhi, Delhi 110016, India
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30
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Shao Z, Yuan H, Zhou Z, Wang Y, Hou P, Nan H, Wang W, Tan W, Li J. Visualization of Protein‐Specific Glycation in Living Cells via Bioorthogonal Chemical Reporter. Angew Chem Int Ed Engl 2022; 61:e202210069. [DOI: 10.1002/anie.202210069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Indexed: 11/08/2022]
Affiliation(s)
- Zhentao Shao
- Institute of Molecular Medicine, Renji Hospital Shanghai Jiao Tong University School of Medicine Shanghai Jiao Tong University Shanghai 200240 China
- The Cancer Hospital of the University of Chinese Academy of Sciences Zhejiang Cancer Hospital) Institute of Basic Medicine and Cancer (IBMC) Chinese Academy of Sciences Zhejiang 310022 China
| | - Hui Yuan
- The Cancer Hospital of the University of Chinese Academy of Sciences Zhejiang Cancer Hospital) Institute of Basic Medicine and Cancer (IBMC) Chinese Academy of Sciences Zhejiang 310022 China
| | - Zhilan Zhou
- The Cancer Hospital of the University of Chinese Academy of Sciences Zhejiang Cancer Hospital) Institute of Basic Medicine and Cancer (IBMC) Chinese Academy of Sciences Zhejiang 310022 China
| | - Ya Wang
- The Cancer Hospital of the University of Chinese Academy of Sciences Zhejiang Cancer Hospital) Institute of Basic Medicine and Cancer (IBMC) Chinese Academy of Sciences Zhejiang 310022 China
| | - Peidong Hou
- The Cancer Hospital of the University of Chinese Academy of Sciences Zhejiang Cancer Hospital) Institute of Basic Medicine and Cancer (IBMC) Chinese Academy of Sciences Zhejiang 310022 China
| | - Hexin Nan
- The Cancer Hospital of the University of Chinese Academy of Sciences Zhejiang Cancer Hospital) Institute of Basic Medicine and Cancer (IBMC) Chinese Academy of Sciences Zhejiang 310022 China
| | - Wei Wang
- Institute of Molecular Medicine, Renji Hospital Shanghai Jiao Tong University School of Medicine Shanghai Jiao Tong University Shanghai 200240 China
| | - Weihong Tan
- Institute of Molecular Medicine, Renji Hospital Shanghai Jiao Tong University School of Medicine Shanghai Jiao Tong University Shanghai 200240 China
- The Cancer Hospital of the University of Chinese Academy of Sciences Zhejiang Cancer Hospital) Institute of Basic Medicine and Cancer (IBMC) Chinese Academy of Sciences Zhejiang 310022 China
| | - Juan Li
- Institute of Molecular Medicine, Renji Hospital Shanghai Jiao Tong University School of Medicine Shanghai Jiao Tong University Shanghai 200240 China
- The Cancer Hospital of the University of Chinese Academy of Sciences Zhejiang Cancer Hospital) Institute of Basic Medicine and Cancer (IBMC) Chinese Academy of Sciences Zhejiang 310022 China
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31
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Mengstie MA, Chekol Abebe E, Behaile Teklemariam A, Tilahun Mulu A, Agidew MM, Teshome Azezew M, Zewde EA, Agegnehu Teshome A. Endogenous advanced glycation end products in the pathogenesis of chronic diabetic complications. Front Mol Biosci 2022; 9:1002710. [PMID: 36188225 PMCID: PMC9521189 DOI: 10.3389/fmolb.2022.1002710] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 09/01/2022] [Indexed: 12/22/2022] Open
Abstract
Diabetes is a common metabolic illness characterized by hyperglycemia and is linked to long-term vascular problems that can impair the kidney, eyes, nerves, and blood vessels. By increasing protein glycation and gradually accumulating advanced glycation end products in the tissues, hyperglycemia plays a significant role in the pathogenesis of diabetic complications. Advanced glycation end products are heterogeneous molecules generated from non-enzymatic interactions of sugars with proteins, lipids, or nucleic acids via the glycation process. Protein glycation and the buildup of advanced glycation end products are important in the etiology of diabetes sequelae such as retinopathy, nephropathy, neuropathy, and atherosclerosis. Their contribution to diabetes complications occurs via a receptor-mediated signaling cascade or direct extracellular matrix destruction. According to recent research, the interaction of advanced glycation end products with their transmembrane receptor results in intracellular signaling, gene expression, the release of pro-inflammatory molecules, and the production of free radicals, all of which contribute to the pathology of diabetes complications. The primary aim of this paper was to discuss the chemical reactions and formation of advanced glycation end products, the interaction of advanced glycation end products with their receptor and downstream signaling cascade, and molecular mechanisms triggered by advanced glycation end products in the pathogenesis of both micro and macrovascular complications of diabetes mellitus.
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Affiliation(s)
- Misganaw Asmamaw Mengstie
- Department of Biochemistry, College of Medicine and Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
- *Correspondence: Misganaw Asmamaw Mengstie,
| | - Endeshaw Chekol Abebe
- Department of Biochemistry, College of Medicine and Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Awgichew Behaile Teklemariam
- Department of Biochemistry, College of Medicine and Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Anemut Tilahun Mulu
- Department of Biochemistry, College of Medicine and Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Melaku Mekonnen Agidew
- Department of Biochemistry, College of Medicine and Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Muluken Teshome Azezew
- Department of Physiology, College of Medicine and Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Edgeit Abebe Zewde
- Department of Physiology, College of Medicine and Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
| | - Assefa Agegnehu Teshome
- Department of Anatomy, College of Medicine and Health Sciences, Debre Tabor University, Debre Tabor, Ethiopia
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Alouffi S, Khanam A, Husain A, Akasha R, Rabbani G, Ahmad S. d-ribose-mediated glycation of fibrinogen: Role in the induction of adaptive immune response. Chem Biol Interact 2022; 367:110147. [PMID: 36108717 DOI: 10.1016/j.cbi.2022.110147] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 08/29/2022] [Accepted: 08/30/2022] [Indexed: 11/26/2022]
Abstract
A nonenzymatic reaction between reducing sugars and amino groups of proteins results in the formation of advanced glycation end products, which are linked to a number of chronic progressive diseases with macro- and microvascular complications. In this research, we sought to ascertain the immunological response to d-ibose-glycated fibrinogen. New Zealand White female rabbits were immunized with native and d-ribose-glycated (Rb-gly-Fb) fibrinogen and used for studying the immunological response. Serum from these rabbits analyzed using direct binding and competitive inhibition ELISA was found to contain a high titer of antibodies against Rb-gly-Fb; Rb-gly-Fb was much more immunogenic than its native form. The IgG against Rb-gly-Fb (Rb-gly-Fb-IgG) was highly specific against the immunogenic protein. Moreover, histopathology and immunofluorescence studies revealed the deposition of the Rb-gly-Fb-IgG immune complex in the glomerular basement membrane of the kidneys of immunized rabbits. Furthermore, immunization with Rb-gly-Fb increased the expression of genes encoding proinflammatory cytokines, tumour necrosis factor α, interleukin-6, interleukin-1β, and interferon-gamma, which is indicative of increased inflammation and the antigenic role of Rb-gly-Fb in provoking an immune response.
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Affiliation(s)
- Sultan Alouffi
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, University of Hail- 2440, Saudi Arabia; Molecular Diagnostic & Personalized Therapeutic Unit, University of Hail, Saudi Arabia
| | - Afreen Khanam
- IIRC-1, Laboratory of Glycation Biology and Metabolic Disorders, Department of Biosciences, Integral University, Lucknow, India.
| | - Arbab Husain
- IIRC-1, Laboratory of Glycation Biology and Metabolic Disorders, Department of Biosciences, Integral University, Lucknow, India
| | - Rihab Akasha
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, University of Hail- 2440, Saudi Arabia
| | - Gulam Rabbani
- Nano Diagnostics & Devices (NDD), IT Medical Fusion Center, 350-27 Gumidae-ro, Gumi-si, Gyeongbuk, 39253, Republic of Korea
| | - Saheem Ahmad
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, University of Hail- 2440, Saudi Arabia; Molecular Diagnostic & Personalized Therapeutic Unit, University of Hail, Saudi Arabia.
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Shao Z, Yuan H, Zhou Z, Wang Y, Hou P, Nan H, Wang W, Tan W, Li J. Visualization of Protein‐Specific Glycation in Living Cells via Bioorthogonal Chemical Reporter. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202210069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Zhentao Shao
- Shanghai Jiaotong University: Shanghai Jiao Tong University Renji Hospital CHINA
| | - Hui Yuan
- Institue of Basic Medicine and Cancer No CHINA
| | - Zhilan Zhou
- Institute of Basic Medicine and Cancer No CHINA
| | - Ya Wang
- Institute of Basic Medicine and Cancer No CHINA
| | - Peidong Hou
- Institute of Basic Medicine and Cancer No CHINA
| | - Hexin Nan
- Institute of Basic Medicine and Cancer No CHINA
| | - Wei Wang
- Shanghai Jiao Tong University School of Medicine No CHINA
| | - Weihong Tan
- Institute of Basic Medicine and Cancer No CHINA
| | - Juan Li
- Institute of Basic Medicine and Cancer, Chinese Academy of Sciences No 150 Dongfang Street XiashaJianggan District Hangzhou 310000 Hangzhou CHINA
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The association between urinary pentosidine levels and cognition in drug-naïve patients with Parkinson’s disease. Neurol Sci 2022; 43:6323-6328. [DOI: 10.1007/s10072-022-06332-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 08/08/2022] [Indexed: 11/26/2022]
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Binding Studies of Caffeic and p-Coumaric Acid with α-Amylase: Multispectroscopic and Computational Approaches Deciphering the Effect on Advanced Glycation End Products (AGEs). Molecules 2022; 27:molecules27133992. [PMID: 35807235 PMCID: PMC9267998 DOI: 10.3390/molecules27133992] [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: 04/08/2022] [Revised: 05/26/2022] [Accepted: 05/27/2022] [Indexed: 12/04/2022] Open
Abstract
Alpha-amylase (α-amylase) is a key player in the management of diabetes and its related complications. This study was intended to have an insight into the binding of caffeic acid and coumaric acid with α-amylase and analyze the effect of these compounds on the formation of advanced glycation end-products (AGEs). Fluorescence quenching studies suggested that both the compounds showed an appreciable binding affinity towards α-amylase. The evaluation of thermodynamic parameters (ΔH and ΔS) suggested that the α-amylase-caffeic/coumaric acid complex formation is driven by van der Waals force and hydrogen bonding, and thus complexation process is seemingly specific. Moreover, glycation and oxidation studies were also performed to explore the multitarget to manage diabetes complications. Caffeic and coumaric acid both inhibited fructosamine content and AGE fluorescence, suggesting their role in the inhibition of early and advanced glycation end-products (AGEs). However, the glycation inhibitory potential of caffeic acid was more in comparison to p-coumaric acid. This high antiglycative potential can be attributed to its additional –OH group and high antioxidant activity. There was a significant recovery of 84.5% in free thiol groups in the presence of caffeic acid, while coumaric attenuated the slow recovery of 29.4% of thiol groups. In vitro studies were further entrenched by in silico studies. Molecular docking studies revealed that caffeic acid formed six hydrogen bonds (Trp 59, Gln 63, Arg 195, Arg 195, Asp 197 and Asp 197) while coumaric acid formed four H-bonds with Trp 59, Gln 63, Arg 195 and Asp 300. Our studies highlighted the role of hydrogen bonding, and the ligands such as caffeic or coumaric acid could be exploited to design antidiabetic drugs.
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Xu X, O'Callaghan JA, Guarnero Z, Qiu H, Li N, Potocky T, Kamen DE, Graham KS, Shameem M, Yang TC. Low pK a of Lys promotes glycation at one complementarity-determining region of a bispecific antibody. Biophys J 2022; 121:1081-1093. [PMID: 35122736 PMCID: PMC8943760 DOI: 10.1016/j.bpj.2022.02.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 01/11/2022] [Accepted: 01/31/2022] [Indexed: 11/29/2022] Open
Abstract
Protein glycation is a common, normally innocuous, post-translational modification in therapeutic monoclonal antibodies. However, when glycation occurs on complementarity-determining regions (CDRs) of a therapeutic monoclonal antibody, its biological activities (e.g., potency) may be impacted. Here, we present a comprehensive approach to understanding the mechanism of protein glycation using a bispecific antibody. Cation exchange chromatography and liquid chromatography-mass spectrometry were used to characterize glycation at a lysine residue within a heavy chain (HC) CDR (HC-CDR3-Lys98) of a bispecific antibody. Thermodynamic analysis revealed that this reaction is reversible and can occur under physiological conditions with an apparent affinity of 8-10 mM for a glucose binding to HC-CDR3-Lys98. Results from kinetic analysis demonstrated that this reaction follows Arrhenius behavior in the temperature range of 5°C-45°C and can be well predicted in vitro and in a non-human primate. In addition, this glycation reaction was found to be driven by an unusually low pKa on the ε-amino group of HC-CDR3-Lys98. Van't Hoff analysis and homology modeling suggested that this reaction is enthalpically driven, with this lysine residue surrounded by a microenvironment with low polarity. This study provides, to our knowledge, new insights toward a mechanistic understanding of protein glycation and strategies to mitigate the impact of protein glycation during pharmaceutical development.
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Affiliation(s)
- Xiaobin Xu
- Analytical Chemistry Group, Regeneron Pharmaceuticals Inc., Tarrytown, New York.
| | | | - Zachary Guarnero
- Formulation Development Group, Regeneron Pharmaceuticals Inc., Tarrytown, New York
| | - Haibo Qiu
- Analytical Chemistry Group, Regeneron Pharmaceuticals Inc., Tarrytown, New York
| | - Ning Li
- Analytical Chemistry Group, Regeneron Pharmaceuticals Inc., Tarrytown, New York
| | - Terra Potocky
- Bioassay Group, Regeneron Pharmaceuticals Inc., Tarrytown, New York
| | - Douglas E Kamen
- Formulation Development Group, Regeneron Pharmaceuticals Inc., Tarrytown, New York
| | - Kenneth S Graham
- Formulation Development Group, Regeneron Pharmaceuticals Inc., Tarrytown, New York
| | - Mohammed Shameem
- Formulation Development Group, Regeneron Pharmaceuticals Inc., Tarrytown, New York
| | - Teng-Chieh Yang
- Formulation Development Group, Regeneron Pharmaceuticals Inc., Tarrytown, New York.
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Computational quantitation of the aldehyde forms of aldohexoses and disaccharides composed of d-glucose: Predictions of their reactivities in the Maillard reaction. COMPUT THEOR CHEM 2022. [DOI: 10.1016/j.comptc.2022.113605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Glycation modulates alpha-synuclein fibrillization kinetics: a sweet spot for inhibition. J Biol Chem 2022; 298:101848. [PMID: 35314196 PMCID: PMC9034100 DOI: 10.1016/j.jbc.2022.101848] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 03/05/2022] [Accepted: 03/07/2022] [Indexed: 01/24/2023] Open
Abstract
Glycation is a nonenzymatic posttranslational modification (PTM) known to be increased in the brains of hyperglycemic patients. Alpha-synuclein (αSN), a central player in the etiology of Parkinson’s disease, can be glycated at lysine residues, thereby reducing αSN fibril formation in vitro and modulating αSN aggregation in cells. However, the molecular basis for these effects is unclear. To elucidate this, we investigated the aggregation of αSN modified by eight glycating agents, namely the dicarbonyl compound methylglyoxal (MGO) and the sugars ribose, fructose, mannose, glucose, galactose, sucrose, and lactose. We found that MGO and ribose modify αSN to the greatest extent, and these glycation products are the most efficient inhibitors of fibril formation. We show glycation primarily inhibits elongation rather than nucleation of αSN and has only a modest effect on the level of oligomerization. Furthermore, glycated αSN is not significantly incorporated into fibrils. For both MGO and ribose, we discovered that a level of ∼5 modifications per αSN is optimal for inhibition of elongation. The remaining sugars showed a weak but optimal inhibition at ∼2 modifications per αSN. We propose that this optimal level balances the affinity for the growing ends of the fibril (which decreases with the extent of modification) with the ability to block incorporation of subsequent αSN subunits (which increases with modification). Our results are not only relevant for other αSN PTMs but also for understanding PTMs affecting other fibrillogenic proteins and may thus open novel avenues for therapeutic intervention in protein aggregation disorders.
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Muraoka MY, Justino AB, Caixeta DC, Queiroz JS, Sabino-Silva R, Salmen Espindola F. Fructose and methylglyoxal-induced glycation alters structural and functional properties of salivary proteins, albumin and lysozyme. PLoS One 2022; 17:e0262369. [PMID: 35061788 PMCID: PMC8782344 DOI: 10.1371/journal.pone.0262369] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 12/21/2021] [Indexed: 01/08/2023] Open
Abstract
Glycation process refers to reactions between reduction sugars and amino acids that can lead to formation of advanced glycation end products (AGEs) which are related to changes in chemical and functional properties of biological structures that accumulate during aging and diseases. The aim of this study was to perform and analyze in vitro glycation by fructose and methylglyoxal (MGO) using salivary fluid, albumin, lysozyme, and salivary α-amylase (sAA). Glycation effect was analyzed by biochemical and spectroscopic methods. The results were obtained by fluorescence analysis, infrared spectroscopy (total attenuated reflection-Fourier transform, ATR-FTIR) followed by multivariate analysis of principal components (PCA), protein profile, immunodetection, enzymatic activity and oxidative damage to proteins. Fluorescence increased in all glycated samples, except in saliva with fructose. The ATR-FTIR spectra and PCA analysis showed structural changes related to the vibrational mode of glycation of albumin, lysozyme, and salivary proteins. Glycation increased the relative molecular mass (Mr) in protein profile of albumin and lysozyme. Saliva showed a decrease in band intensity when glycated. The analysis of sAA immunoblotting indicated a relative reduction in intensity of its correspondent Mr after sAA glycation; and a decrease in its enzymatic activity was observed. Carbonylation levels increased in all glycated samples, except for saliva with fructose. Thiol content decreased only for glycated lysozyme and saliva with MGO. Therefore, glycation of salivary fluid and sAA may have the potential to identify products derived by glycation process. This opens perspectives for further studies on the use of saliva, an easy and non-invasive collection fluid, to monitor glycated proteins in the aging process and evolution of diseases.
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Affiliation(s)
- Mariane Yumiko Muraoka
- Biochemistry and Molecular Biology Laboratory, Institute of Biotechnology, Federal University of Uberlandia, Uberlandia, Minas Gerais, Brazil
| | - Allisson Benatti Justino
- Biochemistry and Molecular Biology Laboratory, Institute of Biotechnology, Federal University of Uberlandia, Uberlandia, Minas Gerais, Brazil
| | - Douglas Carvalho Caixeta
- Biochemistry and Molecular Biology Laboratory, Institute of Biotechnology, Federal University of Uberlandia, Uberlandia, Minas Gerais, Brazil
- Innovation Center in Salivary Diagnostic and Nanotheranostics, Institute of Biomedical Sciences, Federal University of Uberlandia, Uberlandia, Minas Gerais, Brazil
| | - Julia Silveira Queiroz
- Biochemistry and Molecular Biology Laboratory, Institute of Biotechnology, Federal University of Uberlandia, Uberlandia, Minas Gerais, Brazil
| | - Robinson Sabino-Silva
- Innovation Center in Salivary Diagnostic and Nanotheranostics, Institute of Biomedical Sciences, Federal University of Uberlandia, Uberlandia, Minas Gerais, Brazil
| | - Foued Salmen Espindola
- Biochemistry and Molecular Biology Laboratory, Institute of Biotechnology, Federal University of Uberlandia, Uberlandia, Minas Gerais, Brazil
- * E-mail:
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van Schaick G, el Hajjouti N, Nicolardi S, den Hartog J, Jansen R, van der Hoeven R, Bijleveld W, Abello N, Wuhrer M, Olsthoorn MMA, Domínguez-Vega E. Native Liquid Chromatography and Mass Spectrometry to Structurally and Functionally Characterize Endo-Xylanase Proteoforms. Int J Mol Sci 2022; 23:ijms23031307. [PMID: 35163230 PMCID: PMC8835838 DOI: 10.3390/ijms23031307] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/17/2022] [Accepted: 01/21/2022] [Indexed: 12/16/2022] Open
Abstract
Xylanases are of great value in various industries, including paper, food, and biorefinery. Due to their biotechnological production, these enzymes can contain a variety of post-translational modifications, which may have a profound effect on protein function. Understanding the structure–function relationship can guide the development of products with optimal performance. We have developed a workflow for the structural and functional characterization of an endo-1,4-β-xylanase (ENDO-I) produced by Aspergillus niger with and without applying thermal stress. This workflow relies on orthogonal native separation techniques to resolve proteoforms. Mass spectrometry and activity assays of separated proteoforms permitted the establishment of structure–function relationships. The separation conditions were focus on balancing efficient separation and protein functionality. We employed size exclusion chromatography (SEC) to separate ENDO-I from other co-expressed proteins. Charge variants were investigated with ion exchange chromatography (IEX) and revealed the presence of low abundant glycated variants in the temperature-stressed material. To obtain better insights into the effect on glycation on function, we enriched for these species using boronate affinity chromatography (BAC). The activity measurements showed lower activity of glycated species compared to the non-modified enzyme. Altogether, this workflow allowed in-depth structural and functional characterization of ENDO-I proteoforms.
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Affiliation(s)
- Guusje van Schaick
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands; (N.e.H.); (S.N.); (M.W.); (E.D.-V.)
- Correspondence:
| | - Nadi el Hajjouti
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands; (N.e.H.); (S.N.); (M.W.); (E.D.-V.)
| | - Simone Nicolardi
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands; (N.e.H.); (S.N.); (M.W.); (E.D.-V.)
| | - Joost den Hartog
- Center for Analytical Innovation, DSM, Alexander Fleminglaan 1, 2613 AX Delft, The Netherlands; (J.d.H.); (R.J.); (R.v.d.H.); (W.B.); (N.A.); (M.M.A.O.)
| | - Romana Jansen
- Center for Analytical Innovation, DSM, Alexander Fleminglaan 1, 2613 AX Delft, The Netherlands; (J.d.H.); (R.J.); (R.v.d.H.); (W.B.); (N.A.); (M.M.A.O.)
| | - Rob van der Hoeven
- Center for Analytical Innovation, DSM, Alexander Fleminglaan 1, 2613 AX Delft, The Netherlands; (J.d.H.); (R.J.); (R.v.d.H.); (W.B.); (N.A.); (M.M.A.O.)
| | - Wim Bijleveld
- Center for Analytical Innovation, DSM, Alexander Fleminglaan 1, 2613 AX Delft, The Netherlands; (J.d.H.); (R.J.); (R.v.d.H.); (W.B.); (N.A.); (M.M.A.O.)
| | - Nicolas Abello
- Center for Analytical Innovation, DSM, Alexander Fleminglaan 1, 2613 AX Delft, The Netherlands; (J.d.H.); (R.J.); (R.v.d.H.); (W.B.); (N.A.); (M.M.A.O.)
| | - Manfred Wuhrer
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands; (N.e.H.); (S.N.); (M.W.); (E.D.-V.)
| | - Maurien M. A. Olsthoorn
- Center for Analytical Innovation, DSM, Alexander Fleminglaan 1, 2613 AX Delft, The Netherlands; (J.d.H.); (R.J.); (R.v.d.H.); (W.B.); (N.A.); (M.M.A.O.)
| | - Elena Domínguez-Vega
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands; (N.e.H.); (S.N.); (M.W.); (E.D.-V.)
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Bioprospecting microwave-alkaline hydrolysate cocktail of defatted soybean meal and jackfruit peel biomass as carrier additive of molasses-alginate-bead biofertilizer. Sci Rep 2022; 12:254. [PMID: 34996897 PMCID: PMC8742054 DOI: 10.1038/s41598-021-02170-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 11/10/2021] [Indexed: 01/06/2023] Open
Abstract
The extraction of soluble hydrolysate protein and sugar from a biomass cocktail of defatted soybean meal (DSM) and jackfruit peel (JP) was examined using microwave-alkaline hydrolysis by varying the NaOH concentrations (0.04–0.11 M) and residence times (2–11 min). Based on the central composite design, the optimized parameters were achieved at 0.084 M NaOH concentration (100 mL), for 8.7 min at 300 W microwave power level to obtain the highest protein (5.31 mg/mL) and sugar concentrations (8.07 mg/mL) with > 75% recovery. Both raw and detoxified hydrolysate (using activated carbon) were correspondingly biocompatible with Enterobacter hormaechei strain 40a (P > 0.05) resulting in maximal cell counts of > 10 log CFU/mL. The optimized hydrolysate was prepared as an additive in molasses-alginate bead encapsulation of strain 40a. Further evaluation on phosphate and potassium solubilization performance of the encapsulated strain 40a exhibited comparable results with those of free cell counterpart (P > 0.05). The DSM-JP hydrolysate cocktail holds potential as a carrier additive of encapsulated-cell bead biofertilizers in order to sustain bacterial cell quality and consequently improve crop growth and productivity.
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Dehzangi I, Sharma A, Shatabda S. iProtGly-SS: A Tool to Accurately Predict Protein Glycation Site Using Structural-Based Features. Methods Mol Biol 2022; 2499:125-134. [PMID: 35696077 DOI: 10.1007/978-1-0716-2317-6_5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Posttranslational modification (PTM) is an important biological mechanism to promote functional diversity among the proteins. So far, a wide range of PTMs has been identified. Among them, glycation is considered as one of the most important PTMs. Glycation is associated with different neurological disorders including Parkinson and Alzheimer. It is also shown to be responsible for different diseases, including vascular complications of diabetes mellitus. Despite all the efforts have been made so far, the prediction performance of glycation sites using computational methods remains limited. Here we present a newly developed machine learning tool called iProtGly-SS that utilizes sequential and structural information as well as Support Vector Machine (SVM) classifier to enhance lysine glycation site prediction accuracy. The performance of iProtGly-SS was investigated using the three most popular benchmarks used for this task. Our results demonstrate that iProtGly-SS is able to achieve 81.61%, 93.62%, and 92.95% prediction accuracies on these benchmarks, which are significantly better than those results reported in the previous studies. iProtGly-SS is implemented as a web-based tool which is publicly available at http://brl.uiu.ac.bd/iprotgly-ss/ .
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Affiliation(s)
- Iman Dehzangi
- Department of Computer Science, Rutgers University, Camden, NJ, USA.
- Center for Computational and Integrative Biology, Rutgers University, Camden, NJ, USA.
| | - Alok Sharma
- Institute for Integrated and Intelligent Systems, Griffith University, Brisbane, QLD, Australia.
- Department of Medical Science Mathematics, Tokyo Medical and Dental University (TMDU), Tokyo, Japan.
- Laboratory for Medical Science Mathematics, RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, Japan.
| | - Swakkhar Shatabda
- Department of Computer Science and Engineering, United International University, Dhaka, Bangladesh.
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Silva AM, Moniz T, de Castro B, Rangel M. Human transferrin: An inorganic biochemistry perspective. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.214186] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Omofuma OO, Peterson LL, Turner DP, Merchant AT, Zhang J, Thomson CA, Neuhouser ML, Snetselaar LG, Caan BJ, Shadyab AH, Saquib N, Banack HR, Uribarri J, Steck SE. Dietary Advanced Glycation End-Products and Mortality after Breast Cancer in the Women's Health Initiative. Cancer Epidemiol Biomarkers Prev 2021; 30:2217-2226. [PMID: 34583965 PMCID: PMC8643311 DOI: 10.1158/1055-9965.epi-21-0610] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 08/24/2021] [Accepted: 09/22/2021] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND Advanced glycation end-products (AGE) are formed through nonenzymatic glycation of free amino groups in proteins or lipid. They are associated with inflammation and oxidative stress, and their accumulation in the body is implicated in chronic disease morbidity and mortality. We examined the association between postdiagnosis dietary Nε-carboxymethyl-lysine (CML)-AGE intake and mortality among women diagnosed with breast cancer. METHODS Postmenopausal women aged 50 to 79 years were enrolled in the Women's Health Initiative (WHI) between 1993 and 1998 and followed up until death or censoring through March 2018. We included 2,023 women diagnosed with first primary invasive breast cancer during follow-up who completed a food frequency questionnaire (FFQ) after diagnosis. Cox proportional hazards (PH) regression models estimated adjusted hazard ratios (HR) and 95% confidence intervals (CI) of association between tertiles of postdiagnosis CML-AGE intake and mortality risk from all causes, breast cancer, and cardiovascular disease. RESULTS After a median 15.1 years of follow-up, 630 deaths from all causes were reported (193 were breast cancer-related, and 129 were cardiovascular disease-related). Postdiagnosis CML-AGE intake was associated with all-cause (HRT3vsT1, 1.37; 95% CI, 1.09-1.74), breast cancer (HRT3vsT1, 1.49; 95% CI, 0.98-2.24), and cardiovascular disease (HRT3vsT1, 1.91; 95% CI, 1.09-3.32) mortality. CONCLUSIONS Higher intake of AGEs was associated with higher risk of major causes of mortality among postmenopausal women diagnosed with breast cancer. IMPACT Our findings suggest that dietary AGEs may contribute to the risk of mortality after breast cancer diagnosis. Further prospective studies examining dietary AGEs in breast cancer outcomes and intervention studies targeting dietary AGE reduction are needed to confirm our findings.
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Affiliation(s)
- Omonefe O Omofuma
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland
| | - Lindsay L Peterson
- Washington University School of Medicine in St. Louis, St. Louis, Missouri
| | - David P Turner
- Medical University of South Carolina, Charleston, South Carolina
| | - Anwar T Merchant
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina
| | - Jiajia Zhang
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina
| | - Cynthia A Thomson
- Mel & Enid Zuckerman College of Public Health, University of Arizona, Tucson, Arizona
| | | | | | - Bette J Caan
- Kaiser Permanente, University of California Berkeley, Oakland, California
| | - Aladdin H Shadyab
- Herbert Wertheim School of Public Health and Human Longevity Science, University of California San Diego, La Jolla, California
| | - Nazmus Saquib
- College of Medicine, Sulaiman AlRajhi University, Saudi Arabia
| | - Hailey R Banack
- School of Public Health and Health Professions, University at Buffalo-SUNY, Buffalo, New York
| | - Jaime Uribarri
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York
| | - Susan E Steck
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina.
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Protein Hydrolysis and Glycosylation as Strategies to Produce Bioactive Ingredients from Unmarketable Prawns. Foods 2021; 10:foods10112844. [PMID: 34829125 PMCID: PMC8625146 DOI: 10.3390/foods10112844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 11/10/2021] [Accepted: 11/13/2021] [Indexed: 11/17/2022] Open
Abstract
The present work shows a procedure to valorize non-commercial boiled shrimp to produce functional ingredients, using a combined treatment based on enzymatic hydrolysis and subsequent glycation under mild conditions. Antioxidant and prolyl endopeptidase-inhibiting activities were determined as a function of hydrolysis and glycation times (0-120 min and 0-180 min, respectively). The reaction products were characterized by determining the degree of hydrolysis, browning, fluorescent compounds, free amino acids, phenol content, Fourier transform infrared spectroscopy (FTIR), and molecular weight of the different fractions obtained. Enzymatic hydrolysis generated hydrolysates with significant antioxidant and prolyl endopeptidase-inhibiting activities. Glycation under mild conditions was used as a strategy to improve the antioxidant and potential nootropic properties of the hydrolysates. During glycation, the free amino acid content decreased, total phenols and fluorescent compounds increased significantly, and low molecular weight melanoidins were formed. The presence of peptide-glucose conjugates was also confirmed by FTIR. Glycation increased the antioxidant activities of the hydrolysates; however, their prolyl-endopeptidase-inhibiting activity was lost. Results showed that compounds with promising antioxidant (hydrolysis and glycation) and potential nootropic (hydrolysis) activities and applications in food systems were obtained from the biotechnological strategy used.
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AGE/Non-AGE Glycation: An Important Event in Rheumatoid Arthritis Pathophysiology. Inflammation 2021; 45:477-496. [PMID: 34787800 DOI: 10.1007/s10753-021-01589-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 07/29/2021] [Accepted: 10/25/2021] [Indexed: 12/28/2022]
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory, autoimmune disease that gradually affects the synovial membrane and joints. Many intrinsic and/or extrinsic factors are crucial in making RA pathology challenging throughout the disease. Substantial enzymatic or non-enzymatic modification of proteins driving inflammation has gained a lot of interest in recent years. Endogenously modified glycated protein influences disease development linked with AGEs/non-AGEs and is reported as a disease marker. In this review, we summarized current knowledge of the differential abundance of glycated proteins by compiling and analyzing a variety of AGE and non-AGE ligands that bind with RAGE to activate multi-faceted inflammatory and oxidative stress pathways that are pathobiologically associated with RA-fibroblast-like synoviocytes (RA-FLS). It is critical to comprehend the connection between oxidative stress and inflammation generation, mediated by glycated protein, which may bind to the receptor RAGE, activate downstream pathways, and impart immunogenicity in RA. It is worth noting that AGEs and non-AGEs ligands play a variety of functions, and their functionality is likely to be more reliant on pathogenic states and severity that may serve as biomarkers for RA. Screening and monitoring of these differentially glycated proteins, as well as their stability in circulation, in combination with established pre-clinical characteristics, may aid or predict the onset of RA.
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Śmiga M, Smalley JW, Ślęzak P, Brown JL, Siemińska K, Jenkins RE, Yates EA, Olczak T. Glycation of Host Proteins Increases Pathogenic Potential of Porphyromonas gingivalis. Int J Mol Sci 2021; 22:ijms222112084. [PMID: 34769513 PMCID: PMC8585099 DOI: 10.3390/ijms222112084] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 10/30/2021] [Accepted: 11/04/2021] [Indexed: 01/25/2023] Open
Abstract
The non-enzymatic addition of glucose (glycation) to circulatory and tissue proteins is a ubiquitous pathophysiological consequence of hyperglycemia in diabetes. Given the high incidence of periodontitis and diabetes and the emerging link between these conditions, it is of crucial importance to define the basic virulence mechanisms employed by periodontopathogens such as Porphyromonas gingivalis in mediating the disease process. The aim of this study was to determine whether glycated proteins are more easily utilized by P. gingivalis to stimulate growth and promote the pathogenic potential of this bacterium. We analyzed the properties of three commonly encountered proteins in the periodontal environment that are known to become glycated and that may serve as either protein substrates or easily accessible heme sources. In vitro glycated proteins were characterized using colorimetric assays, mass spectrometry, far- and near-UV circular dichroism and UV–visible spectroscopic analyses and SDS-PAGE. The interaction of glycated hemoglobin, serum albumin and type one collagen with P. gingivalis cells or HmuY protein was examined using spectroscopic methods, SDS-PAGE and co-culturing P. gingivalis with human keratinocytes. We found that glycation increases the ability of P. gingivalis to acquire heme from hemoglobin, mostly due to heme sequestration by the HmuY hemophore-like protein. We also found an increase in biofilm formation on glycated collagen-coated abiotic surfaces. We conclude that glycation might promote the virulence of P. gingivalis by making heme more available from hemoglobin and facilitating bacterial biofilm formation, thus increasing P. gingivalis pathogenic potential in vivo.
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Affiliation(s)
- Michał Śmiga
- Laboratory of Medical Biology, Faculty of Biotechnology, University of Wrocław, 14A F. Joliot-Curie St., 50-383 Wrocław, Poland; (M.Ś.); (P.Ś.); (K.S.)
| | - John W. Smalley
- Institute of Life Course and Medical Sciences, School of Dentistry, The University of Liverpool, Pembroke Place, Liverpool L3 5PS, UK; (J.W.S.); (J.L.B.)
| | - Paulina Ślęzak
- Laboratory of Medical Biology, Faculty of Biotechnology, University of Wrocław, 14A F. Joliot-Curie St., 50-383 Wrocław, Poland; (M.Ś.); (P.Ś.); (K.S.)
| | - Jason L. Brown
- Institute of Life Course and Medical Sciences, School of Dentistry, The University of Liverpool, Pembroke Place, Liverpool L3 5PS, UK; (J.W.S.); (J.L.B.)
| | - Klaudia Siemińska
- Laboratory of Medical Biology, Faculty of Biotechnology, University of Wrocław, 14A F. Joliot-Curie St., 50-383 Wrocław, Poland; (M.Ś.); (P.Ś.); (K.S.)
| | - Rosalind E. Jenkins
- CDSS Bioanalytical Facility, Department of Pharmacology and Therapeutics, Institute of Systems, Molecular and Integrative Biology, Faculty of Health and Life Science, The University of Liverpool, Liverpool L69 3GE, UK;
| | - Edwin A. Yates
- Institute of Systems, Molecular and Integrative Biology, Faculty of Health and Life Science, The University of Liverpool, Liverpool L69 7ZB, UK;
| | - Teresa Olczak
- Laboratory of Medical Biology, Faculty of Biotechnology, University of Wrocław, 14A F. Joliot-Curie St., 50-383 Wrocław, Poland; (M.Ś.); (P.Ś.); (K.S.)
- Correspondence:
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Monu, Agnihotri P, Saquib M, Sarkar A, Chakraborty D, Kumar U, Biswas S. Transthyretin and Receptor for Advanced Glycation End Product's Differential Levels Associated with the Pathogenesis of Rheumatoid Arthritis. J Inflamm Res 2021; 14:5581-5596. [PMID: 34737606 PMCID: PMC8560178 DOI: 10.2147/jir.s327736] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 09/09/2021] [Indexed: 12/11/2022] Open
Abstract
Objective Rheumatoid arthritis (RA) is a chronic autoimmune, inflammatory joint disease. The identification of multifaceted etiological changes at the protein level in RA remains an important need. We aimed to identify differential proteins (DPs) and gene profiles to uncover inflammatory indicators and their association to RA pathogenesis. Methods 2-DE and SWATH-MS were used to identify DPs in RA and healthy control plasma. Fluorescence phenylboronate gel electrophoresis (Flu-PAGE) with mass spectrometry was used for protein glycation in RA plasma. Disease specificity of identified DPs was confirmed by ELISA and Western blot analysis. The gene expressions of selected DPs were evaluated by qRT-PCR in PBMCs of RA, systemic lupus erythematosus (SLE), spondyloarthritis (SpA), and osteoarthritis (OA). The functional implication of glycated protein was determined by in- silico and validated by in vitro analysis in fibroblast-like synoviocytes. Results A total of 150 DPs (127 increased and 23 decreased) were identified by 2-DE and SWATH-MS analysis in RA plasma compared to healthy control (HC). Nine proteins were identified as glycated by Flu-PAGE LC-MS/MS. Transthyretin (TTR), serotransferrin, and apolipoprotein-A1 (Apo-A1) were found to be differential and glycated. ELISA and Western blot results revealed the disease-specific increased expression of TTR and RAGE in RA. The qRT-PCR results signify the aberrant gene expression of TTR and RAGE, found to be associated with RA when compared with SLE, SpA, and OA PBMCs. TTR-RAGE interactions were predicted by in-silico and validated by in-vitro analysis using RA-FLS. The increased levels of pro-inflammatory cytokines IL-6, IL-1β, TNF-α, and differently expressed TTR and RAGE were confirmed in fibroblast-like synoviocytes under inflammatory conditions. Conclusion Our findings showed that the level of TTR was increased in RA plasma, along with an altered glycation rate. TTR and RAGE aberrant gene expression in PBMCs are the key events associated with RA, and TNF-α activates the NF-KB pathways and promote TTR and RAGE differential expressions that may have pathogenic/inflammatory significance.
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Affiliation(s)
- Monu
- Council of Scientific and Industrial Research -Institute of Genomics & Integrative Biology (CSIR-IGIB), Delhi, 110007, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Prachi Agnihotri
- Council of Scientific and Industrial Research -Institute of Genomics & Integrative Biology (CSIR-IGIB), Delhi, 110007, India
| | - Mohd Saquib
- Council of Scientific and Industrial Research -Institute of Genomics & Integrative Biology (CSIR-IGIB), Delhi, 110007, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Ashish Sarkar
- Council of Scientific and Industrial Research -Institute of Genomics & Integrative Biology (CSIR-IGIB), Delhi, 110007, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Debolina Chakraborty
- Council of Scientific and Industrial Research -Institute of Genomics & Integrative Biology (CSIR-IGIB), Delhi, 110007, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Uma Kumar
- All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Sagarika Biswas
- Council of Scientific and Industrial Research -Institute of Genomics & Integrative Biology (CSIR-IGIB), Delhi, 110007, India
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A Gibbons L, Rafferty C, Robinson K, Abad M, Maslanka F, Le N, Mo J, Clark K, Madden F, Hayes R, McCarthy B, Rode C, O'Mahony J, Rea R, O'Mahony Hartnett C. Raman based chemometric model development for glycation and glycosylation real time monitoring in a manufacturing scale CHO cell bioreactor process. Biotechnol Prog 2021; 38:e3223. [PMID: 34738336 DOI: 10.1002/btpr.3223] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 10/07/2021] [Accepted: 11/02/2021] [Indexed: 11/09/2022]
Abstract
The Quality by Design (QbD) approach to the production of therapeutic monoclonal antibodies (mAbs) emphasizes an understanding of the production process ensuring product quality is maintained throughout. Current methods for measuring critical quality attributes (CQAs) such as glycation and glycosylation are time and resource intensive, often, only tested offline once per batch process. Process analytical technology (PAT) tools such as Raman spectroscopy combined with chemometric modeling can provide real time measurements process variables and are aligned with the QbD approach. This study utilizes these tools to build partial least squares (PLS) regression models to provide real time monitoring of glycation and glycosylation profiles. In total, seven cell line specific chemometric PLS models; % mono-glycated, % non-glycated, % G0F-GlcNac, % G0, % G0F, % G1F, and % G2F were considered. PLS models were initially developed using small scale data to verify the capability of Raman to measure these CQAs effectively. Accurate PLS model predictions were observed at small scale (5 L). At manufacturing scale (2000 L) some glycosylation models showed higher error, indicating that scale may be a key consideration in glycosylation profile PLS model development. Model robustness was then considered by supplementing models with a single batch of manufacturing scale data. This data addition had a significant impact on the predictive capability of each model, with an improvement of 77.5% in the case of the G2F. The finalized models show the capability of Raman as a PAT tool to deliver real time monitoring of glycation and glycosylation profiles at manufacturing scale.
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Affiliation(s)
- Luke A Gibbons
- BioTherapeutics Development, Janssen Sciences Ireland UC, Cork, Ireland.,Department of Biological Sciences, Munster Technological University, Cork, Ireland
| | - Carl Rafferty
- BioTherapeutics Development, Janssen Sciences Ireland UC, Cork, Ireland
| | - Kerry Robinson
- Analytical Development, Janssen Pharmaceutical Companies of Johnson and Johnson, Malvern, Pennsylvania, USA
| | - Marta Abad
- BioTherapeutics Development, Janssen Pharmaceutical Companies of Johnson and Johnson, Malvern, Pennsylvania, USA
| | - Francis Maslanka
- BioTherapeutics Development, Janssen Pharmaceutical Companies of Johnson and Johnson, Malvern, Pennsylvania, USA
| | - Nikky Le
- BioTherapeutics Development, Janssen Pharmaceutical Companies of Johnson and Johnson, Malvern, Pennsylvania, USA
| | - Jingjie Mo
- Analytical Development, Janssen Pharmaceutical Companies of Johnson and Johnson, Malvern, Pennsylvania, USA
| | - Kevin Clark
- BioTherapeutics Development, Janssen Pharmaceutical Companies of Johnson and Johnson, Malvern, Pennsylvania, USA
| | - Fiona Madden
- BioTherapeutics Development, Janssen Sciences Ireland UC, Cork, Ireland
| | - Ronan Hayes
- BioTherapeutics Development, Janssen Sciences Ireland UC, Cork, Ireland
| | - Barry McCarthy
- BioTherapeutics Development, Janssen Sciences Ireland UC, Cork, Ireland
| | - Christopher Rode
- BioTherapeutics Development, Janssen Pharmaceutical Companies of Johnson and Johnson, Malvern, Pennsylvania, USA
| | - Jim O'Mahony
- Department of Biological Sciences, Munster Technological University, Cork, Ireland
| | - Rosemary Rea
- Department of Biological Sciences, Munster Technological University, Cork, Ireland
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Translating the advanced glycation end products (AGEs) knowledge into real-world nutrition strategies. Eur J Clin Nutr 2021; 76:922-928. [PMID: 34675400 DOI: 10.1038/s41430-021-01028-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Revised: 09/28/2021] [Accepted: 10/05/2021] [Indexed: 12/26/2022]
Abstract
Advanced glycation end products (AGEs) are glycated proteins or lipids derived from complex metabolic pathways involved in the pathophysiology of various diseases, especially diabetes and diabetes-related complications. These compounds are omnipresent in human life, with both endogenous and exogenous sources. Despite the well-elucidated disease mechanisms, little is known about the AGEs/nutrition nexus in the circles of clinical practice recommendations. This review seeks to translate the accumulated knowledge about the biochemistry and pathophysiology of AGEs into a nutritional intervention based on real-world prescriptions.
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