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Quansah E, Shaik TA, Çevik E, Wang X, Höppener C, Meyer-Zedler T, Deckert V, Schmitt M, Popp J, Krafft C. Investigating biochemical and structural changes of glycated collagen using multimodal multiphoton imaging, Raman spectroscopy, and atomic force microscopy. Anal Bioanal Chem 2023; 415:6257-6267. [PMID: 37640827 PMCID: PMC10558391 DOI: 10.1007/s00216-023-04902-5] [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: 06/07/2023] [Revised: 07/31/2023] [Accepted: 08/03/2023] [Indexed: 08/31/2023]
Abstract
Advanced glycation end products (AGEs) form extracellular crosslinking with collagenous proteins, which contributes to the development of diabetic complications. In this study, AGEs-related pentosidine (PENT) crosslinks-induced structural and biochemical changes are studied using multimodal multiphoton imaging, Raman spectroscopy and atomic force microscopy (AFM). Decellularized equine pericardium (EP) was glycated with four ribose concentrations ranging between 5 and 200 mM and monitored for up to 30 days. Two-photon excited fluorescence (TPEF) and second harmonic generation (SHG) microscopic imaging probed elastin and collagen fibers, respectively. The glycated EP showed a decrease in the SHG intensities associated with loss of non-centrosymmetry of collagen and an increase of TPEF intensities associated with PENT crosslinks upon glycation. TPEF signals from elastin fibers were unaffected. A three-dimensional reconstruction with SHG + TPEF z-stack images visualized the distribution of collagen and elastin within the EP volume matrix. In addition, Raman spectroscopy (RS) detected changes in collagen-related bands and discriminated glycated from untreated EP. Furthermore, AFM scans showed that the roughness increases and the D-unit structure of fibers remained unchanged during glycation. The PENT crosslinked-induced changes are discussed in the context of previous studies of glutaraldehyde- and genipin-induced crosslinking and collagenase-induced digestion of collagen. We conclude that TPEF, SHG, RS, and AFM are effective, label-free, and non-destructive methods to investigate glycated tissues, differentiate crosslinking processes, and characterize general collagen-associated and disease-related changes, in particular by their RS fingerprints.
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Affiliation(s)
- Elsie Quansah
- Institute of Physical Chemistry and Abbe Center of Photonics (IPC), Member of the Leibniz Center for Photonics in Infectious Research (LPI), Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
- Leibniz Institute of Photonic Technology (IPHT), Member of Leibniz Health Technologies, Member of the Leibniz Center for Photonics in Infectious Research (LPI), Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Tanveer Ahmed Shaik
- Leibniz Institute of Photonic Technology (IPHT), Member of Leibniz Health Technologies, Member of the Leibniz Center for Photonics in Infectious Research (LPI), Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Ecehan Çevik
- Leibniz Institute of Photonic Technology (IPHT), Member of Leibniz Health Technologies, Member of the Leibniz Center for Photonics in Infectious Research (LPI), Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Xinyue Wang
- Institute of Physical Chemistry and Abbe Center of Photonics (IPC), Member of the Leibniz Center for Photonics in Infectious Research (LPI), Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
- Leibniz Institute of Photonic Technology (IPHT), Member of Leibniz Health Technologies, Member of the Leibniz Center for Photonics in Infectious Research (LPI), Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Christiane Höppener
- Institute of Physical Chemistry and Abbe Center of Photonics (IPC), Member of the Leibniz Center for Photonics in Infectious Research (LPI), Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
- Leibniz Institute of Photonic Technology (IPHT), Member of Leibniz Health Technologies, Member of the Leibniz Center for Photonics in Infectious Research (LPI), Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Tobias Meyer-Zedler
- Institute of Physical Chemistry and Abbe Center of Photonics (IPC), Member of the Leibniz Center for Photonics in Infectious Research (LPI), Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
- Leibniz Institute of Photonic Technology (IPHT), Member of Leibniz Health Technologies, Member of the Leibniz Center for Photonics in Infectious Research (LPI), Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Volker Deckert
- Institute of Physical Chemistry and Abbe Center of Photonics (IPC), Member of the Leibniz Center for Photonics in Infectious Research (LPI), Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
- Leibniz Institute of Photonic Technology (IPHT), Member of Leibniz Health Technologies, Member of the Leibniz Center for Photonics in Infectious Research (LPI), Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Michael Schmitt
- Institute of Physical Chemistry and Abbe Center of Photonics (IPC), Member of the Leibniz Center for Photonics in Infectious Research (LPI), Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
- Leibniz Institute of Photonic Technology (IPHT), Member of Leibniz Health Technologies, Member of the Leibniz Center for Photonics in Infectious Research (LPI), Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Jürgen Popp
- Institute of Physical Chemistry and Abbe Center of Photonics (IPC), Member of the Leibniz Center for Photonics in Infectious Research (LPI), Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany
- Leibniz Institute of Photonic Technology (IPHT), Member of Leibniz Health Technologies, Member of the Leibniz Center for Photonics in Infectious Research (LPI), Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Christoph Krafft
- Leibniz Institute of Photonic Technology (IPHT), Member of Leibniz Health Technologies, Member of the Leibniz Center for Photonics in Infectious Research (LPI), Albert-Einstein-Straße 9, 07745, Jena, Germany.
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Ndlovu IS, Tshilwane SI, Vosloo A, Chaisi M, Mukaratirwa S. Metabolomics of Type 2 Diabetes Mellitus in Sprague Dawley Rats-In Search of Potential Metabolic Biomarkers. Int J Mol Sci 2023; 24:12467. [PMID: 37569840 PMCID: PMC10419637 DOI: 10.3390/ijms241512467] [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: 07/15/2023] [Revised: 07/27/2023] [Accepted: 07/28/2023] [Indexed: 08/13/2023] Open
Abstract
Type 2 diabetes mellitus (T2DM) is an expanding global health concern, closely associated with the epidemic of obesity. Individuals with diabetes are at high risk for microvascular and macrovascular complications, which include retinopathy, neuropathy, and cardiovascular comorbidities. Despite the availability of diagnostic tools for T2DM, approximately 30-60% of people with T2DM in developed countries are never diagnosed or detected. Therefore, there is a strong need for a simpler and more reliable technique for the early detection of T2DM. This study aimed to use a non-targeted metabolomic approach to systematically identify novel biomarkers from the serum samples of T2DM-induced Sprague Dawley (SD) rats using a comprehensive two-dimensional gas chromatography coupled with a time-of-flight mass spectrometry (GCxGC-TOF/MS). Fifty-four male Sprague Dawley rats weighing between 160-180 g were randomly assigned into two experimental groups, namely the type 2 diabetes mellitus group (T2DM) (n = 36) and the non-diabetic control group (n = 18). Results from this study showed that the metabolite signature of the diabetic rats was different from that of the non-diabetic control group. The most significantly upregulated metabolic pathway was aminoacyl-t-RNA biosynthesis. Metabolite changes observed between the diabetic and non-diabetic control group was attributed to the increase in amino acids, such as glycine, L-asparagine, and L-serine. Aromatic amino acids, including L-tyrosine, were associated with the risk of future hyperglycemia and overt diabetes. The identified potential biomarkers depicted a good predictive value of more than 0.8. It was concluded from the results that amino acids that were associated with impaired insulin secretion were prospectively related to an increase in glucose levels. Moreover, amino acids that were associated with impaired insulin secretion were prospectively related to an increase in glucose levels.
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Affiliation(s)
- Innocent Siyanda Ndlovu
- School of Life Sciences, University of KwaZulu-Natal, Westville Campus, Durban 4000, South Africa; (I.S.N.); (A.V.)
| | - Selaelo Ivy Tshilwane
- Department of Veterinary Tropical Diseases, Faculty of Veterinary Science, University of Pretoria, Pretoria 0110, South Africa; (S.I.T.); (M.C.)
| | - Andre Vosloo
- School of Life Sciences, University of KwaZulu-Natal, Westville Campus, Durban 4000, South Africa; (I.S.N.); (A.V.)
| | - Mamohale Chaisi
- Department of Veterinary Tropical Diseases, Faculty of Veterinary Science, University of Pretoria, Pretoria 0110, South Africa; (S.I.T.); (M.C.)
- Foundational Biodiversity Science, South African National Biodiversity Institute, Pretoria 0001, South Africa
| | - Samson Mukaratirwa
- School of Life Sciences, University of KwaZulu-Natal, Westville Campus, Durban 4000, South Africa; (I.S.N.); (A.V.)
- One Health Center for Zoonoses and Tropical Veterinary Medicine, School of Veterinary Medicine, Ross University, Basseterre KN0101, Saint Kitts and Nevis
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Zhang Z, Tai Y, Liu Z, Pu Y, An L, Li X, Li L, Wang Y, Yang Z, Duan C, Hou K, Zhang Q, Ren F, Ma Q, Su Y. Effects of d-ribose on human erythrocytes: Non-enzymatic glycation of hemoglobin, eryptosis, oxidative stress and energy metabolism. Blood Cells Mol Dis 2023; 99:102725. [PMID: 36682143 DOI: 10.1016/j.bcmd.2023.102725] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Revised: 01/10/2023] [Accepted: 01/10/2023] [Indexed: 01/15/2023]
Abstract
d-Ribose is not only an important component of some biomacromolecules, but also an active pentose with strong reducibility and non-enzymatic glycation ability. Previous studies reported the diverse role of d-ribose in different cells. In this study, the effects of d-ribose on non-enzymatic glycation of hemoglobin (Hb), as well as eryptosis, oxidative stress and energy metabolism of erythrocytes were observed by molecular fluorescence spectrophotometry, multi-wavelength spectrophotometry, high-pressure liquid chromatography (HPLC), mass spectrometry (MS) and flow cytometer. The results showed that d-ribose had the strongest non-enzymatic glycation ability to Hb in vitro when compared with other monosaccharides, and could enter the erythrocytes in a concentration-dependent manner, which was not inhibited by the specific glucose transporter 1 (GLUT1) inhibitor WZB117. In addition, d-ribose incubation increased the HbA1c, hemolysis, eryptosis, and ROS level of erythrocytes significantly more than that of d-glucose, however, no changes were observed in the levels of ATP, NADPH, and other intermediate energy metabolites in d-ribose treatment. Therefore, the strong non-enzymatic glycation ability of d-ribose may play an important role in erythrocyte damage.
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Affiliation(s)
- Zehong Zhang
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China
| | - Yu Tai
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China
| | - Zhi Liu
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China
| | - Yunxia Pu
- Physical and Chemical Laboratory, Inner Mongolia Center for Disease Control and Prevention, South Section of Yongping Road, Xincheng District, 010080 Hohhot, Inner Mongolia, China
| | - Liang An
- Clinical Laboratory, The Fourth Hospital of Baotou, 1(#) Aogen Road, Qingshan District, 014030, Baotou, Inner Mongolia, China
| | - Xiaojing Li
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China
| | - Lili Li
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China
| | - Yaqi Wang
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China
| | - Zhongbin Yang
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China
| | - Chao Duan
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China
| | - Kun Hou
- Physical and Chemical Laboratory, Inner Mongolia Center for Disease Control and Prevention, South Section of Yongping Road, Xincheng District, 010080 Hohhot, Inner Mongolia, China
| | - Qing Zhang
- Physical and Chemical Laboratory, Inner Mongolia Center for Disease Control and Prevention, South Section of Yongping Road, Xincheng District, 010080 Hohhot, Inner Mongolia, China
| | - Fuyu Ren
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China
| | - Qiang Ma
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China.
| | - Yan Su
- Institute of Blood Conservation, Baotou Medical College, 31# Jianshe Road, Donghe District, 014040 Baotou, Inner Mongolia, China.
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Moschini R, Balestri F, Cappiello M, Signore G, Mura U, Del-Corso A. Ribose Intake as Food Integrator: Is It a Really Convenient Practice? Biomolecules 2022; 12:biom12121775. [PMID: 36551203 PMCID: PMC9776227 DOI: 10.3390/biom12121775] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 11/07/2022] [Accepted: 11/22/2022] [Indexed: 12/02/2022] Open
Abstract
Reports concerning the beneficial effects of D-ribose administration in cardiovascular and muscle stressful conditions has led to suggestions for the use of ribose as an energizing food supplement for healthy people. However, this practice still presents too many critical issues, suggesting that caution is needed. In fact, there are many possible negative effects of this sugar that we believe are underestimated, if not neglected, by the literature supporting the presentation of the product to the market. Here, the risks deriving from the use of free ribose as ATP source, forcing ribose-5-phosphate to enter into the pentose phosphate pathway, is emphasized. On the basis of the remarkable glycation capacity of ribose, the easily predictable cytotoxic effect of the molecule is also highlighted.
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Affiliation(s)
- Roberta Moschini
- Biochemistry Unit, Department of Biology, University of Pisa, Via San Zeno, 51, 56127 Pisa, Italy
- Interdepartmental Research Center Nutrafood “Nutraceuticals and Food for Health”, University of Pisa, 56124 Pisa, Italy
| | - Francesco Balestri
- Biochemistry Unit, Department of Biology, University of Pisa, Via San Zeno, 51, 56127 Pisa, Italy
- Interdepartmental Research Center Nutrafood “Nutraceuticals and Food for Health”, University of Pisa, 56124 Pisa, Italy
| | - Mario Cappiello
- Biochemistry Unit, Department of Biology, University of Pisa, Via San Zeno, 51, 56127 Pisa, Italy
- Interdepartmental Research Center Nutrafood “Nutraceuticals and Food for Health”, University of Pisa, 56124 Pisa, Italy
| | - Giovanni Signore
- Biochemistry Unit, Department of Biology, University of Pisa, Via San Zeno, 51, 56127 Pisa, Italy
- Interdepartmental Research Center Nutrafood “Nutraceuticals and Food for Health”, University of Pisa, 56124 Pisa, Italy
| | - Umberto Mura
- Biochemistry Unit, Department of Biology, University of Pisa, Via San Zeno, 51, 56127 Pisa, Italy
- Correspondence:
| | - Antonella Del-Corso
- Biochemistry Unit, Department of Biology, University of Pisa, Via San Zeno, 51, 56127 Pisa, Italy
- Interdepartmental Research Center Nutrafood “Nutraceuticals and Food for Health”, University of Pisa, 56124 Pisa, Italy
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Song Y, Du Y, An Y, Zheng J, Lu Y. A systematic review and meta-analysis of cognitive and behavioral tests in rodents treated with different doses of D-ribose. Front Aging Neurosci 2022; 14:1036315. [PMID: 36438006 PMCID: PMC9681890 DOI: 10.3389/fnagi.2022.1036315] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Accepted: 10/17/2022] [Indexed: 05/27/2024] Open
Abstract
BACKGROUND D-ribose is an aldehyde sugar and a necessary component of all living cells. Numerous reports have focused on D-ribose intervention in animal models to assess the negative effects of D-ribose on cognition. However, the results across these studies are inconsistent and the doses and actual effects of D-ribose on cognition remain unclear. This systematic review aimed to evaluate the effect of D-ribose on cognition in rodents. METHODS The articles from PubMed, Embase, Sciverse Scopus, Web of Science, the Chinese National Knowledge Infrastructure, SinoMed, Wanfang, and Cqvip databases were screened. The results from the abstract on cognitive-related behavioral tests and biochemical markers from the included articles were extracted and the reporting quality was assessed. RESULTS A total of eight trials involving 289 rodents met the eligibility criteria, and both low- and high-dose groups were included. Meta-analyses of these studies showed that D-ribose could cause a significant decrease in the number of platform crossings (standardized mean difference [SMD]: -0.80; 95% CI: -1.14, -0.46; p < 0.00001), percentage of distance traversed in the target quadrant (SMD: -1.20; 95% CI: -1.47, -0.92; p < 0.00001), percentage of time spent in the target quadrant (SMD: -0.93; 95% CI: -1.18, -0.68; p < 0.00001), and prolonged escape latency (SMD: 0.41; 95% CI: 0.16, 0.65; p = 0.001) in the Morris water maze test. Moreover, D-ribose intervention increased the levels of advanced glycation end products (AGEs) in the brain (SMD: 0.49; 95% CI: 0.34, 0.63; p < 0.00001) and blood (SMD: 0.50; 95% CI: 0.08, 0.92; p = 0.02). Subsequently, subgroup analysis for the dose of D-ribose intervention revealed that high doses injured cognitive function more significantly than low D-ribose doses. CONCLUSION D-ribose treatment caused cognitive impairment, and cognition deteriorated with increasing dose. Furthermore, the increase in AGEs in the blood and brain confirmed that D-ribose may be involved in cognitive impairment through non-enzymatic glycosylation resulting in the generation of AGEs. These findings provide a new research idea for unveiling basic mechanisms and prospective therapeutic targets for the prevention and treatment of patients with cognitive impairment.
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Affiliation(s)
- Ying Song
- School of Nursing, Peking University, Beijing, China
| | - Yage Du
- School of Nursing, Peking University, Beijing, China
| | - Yu An
- Department of Endocrinology, Beijing Chaoyang Hospital, Beijing, China
| | - Jie Zheng
- School of Nursing, Peking University, Beijing, China
| | - Yanhui Lu
- School of Nursing, Peking University, Beijing, China
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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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Zhu X, Wei Y, He Y, He R, Li J. Urine D-ribose levels correlate with cognitive function in community-dwelling older adults. BMC Geriatr 2022; 22:693. [PMID: 35996093 PMCID: PMC9396817 DOI: 10.1186/s12877-022-03288-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 05/26/2022] [Indexed: 11/10/2022] Open
Abstract
Background D-ribose is involved in the pathogenesis of Alzheimer’s Disease. The study aimed to determine the association between D-ribose and cognitive function in a sample of community-dwelling older adults. Methods A cross-sectional study was conducted in Chaoyang District, Beijing in 2019–2020. Eligible participants were community-based older adults aged 60 years and above. D-ribose was analyzed from the morning urine. Cognitive function, subjective cognitive decline, and depressive symptoms were measured by a battery of neuropsychological tests. Linear regressions were performed to determine the relationship between the urine D-ribose levels and cognitive performance. Results A sample of 1725 participants (67.1% female) aged 60 to 85 years (69.40 ± 5.87 years, mean ± SD) was enrolled in the analysis. The urine D-ribose concentrations ranged from 1.53 to 208.89 μmol/L (median 38.10 μmol/L; interquartile range 22.52—64.96 μmol/L). Higher levels of D-ribose were associated with worse performance on Mini-Mental State Examination and verbal fluency when age, gender, education, depressive symptoms, and cardiovascular risk factors were included as covariates. Conclusions The urine D-ribose was negatively correlated with cognitive function in community-dwelling older adults. The findings suggest that the dysmetabolism of D-ribose may play a role at the early stage of cognitive impairment. Supplementary Information The online version contains supplementary material available at 10.1186/s12877-022-03288-w.
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Affiliation(s)
- Xinyi Zhu
- Center On Aging Psychology, Institute of Psychology, CAS Key Laboratory of Mental Health, Chinese Academy of Sciences, 16 Lincui Road, Chaoyang District, 100101, Beijing, China.,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China
| | - Yan Wei
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, University of Chinese Academy of Sciences, 15 Datun Road, Chaoyang District, 100101, Beijing, China
| | - Yingge He
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, University of Chinese Academy of Sciences, 15 Datun Road, Chaoyang District, 100101, Beijing, China
| | - Rongqiao He
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, University of Chinese Academy of Sciences, 15 Datun Road, Chaoyang District, 100101, Beijing, China.
| | - Juan Li
- Center On Aging Psychology, Institute of Psychology, CAS Key Laboratory of Mental Health, Chinese Academy of Sciences, 16 Lincui Road, Chaoyang District, 100101, Beijing, China. .,Department of Psychology, University of Chinese Academy of Sciences, Beijing, China.
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Ban I, Sugawa H, Nagai R. Protein Modification with Ribose Generates Nδ-(5-hydro-5-methyl-4-imidazolone-2-yl)-ornithine. Int J Mol Sci 2022; 23:ijms23031224. [PMID: 35163152 PMCID: PMC8835445 DOI: 10.3390/ijms23031224] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/12/2022] [Accepted: 01/19/2022] [Indexed: 12/28/2022] Open
Abstract
Advanced glycation end products (AGEs) are associated with diabetes and its complications. AGEs are formed by the non-enzymatic reactions of proteins and reducing sugars, such as glucose and ribose. Ribose is widely used in glycation research as it generates AGEs more rapidly than glucose. This study analyzed the AGE structures generated from ribose-modified protein by liquid chromatography-quadrupole time-of-flight mass spectrometry. Among these AGEs, Nδ-(5-hydro-5-methyl-4-imidazolone-2-yl)-ornithine (MG-H1) was the most abundant in ribose-glycated bovine serum albumin (ribated-BSA) among others, such as Nε-(carboxymethyl) lysine, Nε-(carboxyethyl) lysine, and Nω-(carboxymethyl) arginine. Surprisingly, MG-H1 was produced by ribated-BSA in a time-dependent manner, whereas methylglyoxal levels (MG) were under the detectable level. In addition, Trapa bispinosa Roxb. hot water extract (TBE) possesses several anti-oxidative compounds, such as ellagic acid, and has been reported to inhibit the formation of MG-H1 in vivo. Thus, we evaluated the inhibitory effects of TBE on MG-H1 formation using ribose- or MG-modified proteins. TBE inhibited MG-H1 formation in gelatin incubated with ribose and ribated-BSA, but not in MG-modified gelatin. Furthermore, MG-H1 formation was inhibited by diethylenetriaminepentaacetic acid. These results demonstrated that ribose reacts with proteins to generate Amadori compounds and form MG-H1 via oxidation.
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Wang T, Xu C, Xu S, Gao L, Blaženović I, Ji J, Wang J, Sun X. Untargeted metabolomics analysis by gas chromatography/time-of-flight mass spectrometry of human serum from methamphetamine abusers. Addict Biol 2021; 26:e13062. [PMID: 34114299 DOI: 10.1111/adb.13062] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 05/06/2021] [Accepted: 05/07/2021] [Indexed: 12/12/2022]
Abstract
Methamphetamine (METH) abuse has become a global public health problem. However, the potential mechanisms involving METH-induced metabolic disorders have thus far remained poorly understood. Metabolomics can provide a clue for the cause of apparent changes and consequently be used to investigate the METH-induced dysregulation of metabolite expression and the mechanism of metabolic disorder mechanism. This laboratory investigation included 80 METH abusers and 80 healthy people. The serum metabolites were detected and analysed by gas chromatography/time-of-flight mass spectrometry. Raw data were processed with the software MS DIAL, which includes deconvolution, peak alignment and compound identification. The data matrix was processed by univariate and multivariate analyses for significant metabolite screening with the criteria of variable importance in projection values > 1, fold change > 1.5 and the t test (p value < 0.05). Significant differences in 16 metabolites (deoxycholic acid, cholic acid, hydroxylamine, etc.) in serum were found between the METH abuse group and the control group. Energy metabolic pathways and several amino acid metabolic pathways (alanine, aspartic acid and glutamate metabolism and tryptophan metabolism) were primarily involved. Further analysis indicated that the area under the receiver operating characteristic curve (AUC) was 0.998 for these 16 metabolites. Among the metabolites, three carbohydrates (d-ribose, cellobiose and maltotriose) had an AUC of 0.975, which were determined as potential markers of abuse. We observed metabolic disturbances in METH abusers, particularly perturbation in energy metabolism and amino acid metabolism, which can provide new insights into the search for biomarkers and the mechanisms underlying the adverse effects of METH on human health.
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Affiliation(s)
- Tingwei Wang
- School of Food Science, State Key Laboratory of Food Science and Technology, National Engineering Research Center for Functional Foods, School of Food Science Synergetic Innovation Center of Food Safety and Nutrition, Joint International Research Laboratory on Food Safety, Jiangnan University, Wuxi, China
| | - Chunyang Xu
- Department of Emergency Medicine, Changshu Hospital Affiliated to Soochow University, The First People's Hospital of Changshu, Suzhou, China
| | - Shiying Xu
- School of Food Science, State Key Laboratory of Food Science and Technology, National Engineering Research Center for Functional Foods, School of Food Science Synergetic Innovation Center of Food Safety and Nutrition, Joint International Research Laboratory on Food Safety, Jiangnan University, Wuxi, China
| | - Lu Gao
- School of Food Science, State Key Laboratory of Food Science and Technology, National Engineering Research Center for Functional Foods, School of Food Science Synergetic Innovation Center of Food Safety and Nutrition, Joint International Research Laboratory on Food Safety, Jiangnan University, Wuxi, China
| | - Ivana Blaženović
- West Coast Metabolomics Center, UC Davis, Davis, California, USA
| | - Jian Ji
- School of Food Science, State Key Laboratory of Food Science and Technology, National Engineering Research Center for Functional Foods, School of Food Science Synergetic Innovation Center of Food Safety and Nutrition, Joint International Research Laboratory on Food Safety, Jiangnan University, Wuxi, China
| | - Jun Wang
- Key Lab of Modern Toxicology (NJMU), Ministry of Education. Department of Toxicology, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Xiulan Sun
- School of Food Science, State Key Laboratory of Food Science and Technology, National Engineering Research Center for Functional Foods, School of Food Science Synergetic Innovation Center of Food Safety and Nutrition, Joint International Research Laboratory on Food Safety, Jiangnan University, Wuxi, China
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10
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Giannini C, De Caro L, Terzi A, Fusaro L, Altamura D, Diaz A, Lassandro R, Boccafoschi F, Bunk O. Decellularized pericardium tissues at increasing glucose, galactose and ribose concentrations and at different time points studied using scanning X-ray microscopy. IUCRJ 2021; 8:621-632. [PMID: 34258010 PMCID: PMC8256709 DOI: 10.1107/s2052252521005054] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 05/12/2021] [Indexed: 05/13/2023]
Abstract
Diseases like widespread diabetes or rare galactosemia may lead to high sugar concentrations in the human body, thereby promoting the formation of glycoconjugates. Glycation of collagen, i.e. the formation of glucose bridges, is nonenzymatic and therefore cannot be prevented in any other way than keeping the sugar level low. It relates to secondary diseases, abundantly occurring in aging populations and diabetics. However, little is known about the effects of glycation of collagen on the molecular level. We studied in vitro the effect of glycation, with d-glucose and d-galactose as well as d-ribose, on the structure of type 1 collagen by preparing decellularized matrices of bovine pericardia soaked in different sugar solutions, at increasing concentrations (0, 2.5, 5, 10, 20 and 40 mg ml-1), and incubated at 37°C for 3, 14, 30 and 90 days. The tissue samples were analyzed with small- and wide-angle X-ray scattering in scanning mode. We found that glucose and galactose produce similar changes in collagen, i.e. they mainly affect the lateral packing between macromolecules. However, ribose is much faster in glycation, provoking a larger effect on the lateral packing, but also seems to cause qualitatively different effects on the collagen structure.
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Affiliation(s)
- Cinzia Giannini
- Institute of Crystallography, National Research Council, Bari, 70126, Italy
| | - Liberato De Caro
- Institute of Crystallography, National Research Council, Bari, 70126, Italy
| | - Alberta Terzi
- Institute of Crystallography, National Research Council, Bari, 70126, Italy
| | - Luca Fusaro
- Department of Health Sciences, University of Piemonte Orientale, Novara, Italy
- Tissuegraft srl., Novara, Italy
| | - Davide Altamura
- Institute of Crystallography, National Research Council, Bari, 70126, Italy
| | - Ana Diaz
- Paul Scherrer Institut, Villigen PSI, 5232, Switzerland
| | - Rocco Lassandro
- Institute of Crystallography, National Research Council, Bari, 70126, Italy
| | - Francesca Boccafoschi
- Institute of Crystallography, National Research Council, Bari, 70126, Italy
- Department of Health Sciences, University of Piemonte Orientale, Novara, Italy
| | - Oliver Bunk
- Paul Scherrer Institut, Villigen PSI, 5232, Switzerland
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11
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Li S, Wang J, Xiao Y, Zhang L, Fang J, Yang N, Zhang Z, Nasser MI, Qin H. D-ribose: Potential clinical applications in congestive heart failure and diabetes, and its complications (Review). Exp Ther Med 2021; 21:496. [PMID: 33791005 PMCID: PMC8005739 DOI: 10.3892/etm.2021.9927] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 12/22/2020] [Indexed: 12/12/2022] Open
Abstract
The quality of life of patients with certain diseases may be improved through the development of technologies and advancements in pharmacology, with the aim of prolonging their life. However, congestive heart failure (CHF), as well their complications, continue to be the leading cause of disease-associated death. The mechanisms underlying the development and progression of diabetes and CHF have been uncovered in a stepwise manner and the understanding of these mechanisms has improved the management of these diseases, resulting in reduced mortality and morbidity rates; however, CHF remains the leading cause of death worldwide, particularly in developed countries. In the past decades, research has indicated that several supplements and naturally occurring compounds may be used to treat muscle weakness, for cardiac failure management, rehabilitation following myocardial ischemia-reperfusion and various complications of diabetes. D-ribose is an essential component of the respiratory, skeletal and nervous systems and is a popular compound, as its supplementation may have beneficial effects. In the present review, the physiological roles, toxic reactions and the potential use of D-ribose in the management of clinical diseases are summarized.
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Affiliation(s)
- Shuai Li
- Institute of Cytology and Genetics, Hengyang Medical College, University of South China, Hengyang, Hunan 421000, P.R. China
| | - Juanjing Wang
- School of Pharmaceutical Science, University of South China, Hengyang, Hunan 421000, P.R. China
| | - Yutian Xiao
- Institute of Cytology and Genetics, Hengyang Medical College, University of South China, Hengyang, Hunan 421000, P.R. China
| | - Li Zhang
- Institute of Cytology and Genetics, Hengyang Medical College, University of South China, Hengyang, Hunan 421000, P.R. China
| | - Jinren Fang
- Institute of Cytology and Genetics, Hengyang Medical College, University of South China, Hengyang, Hunan 421000, P.R. China
| | - Nanyang Yang
- Institute of Cytology and Genetics, Hengyang Medical College, University of South China, Hengyang, Hunan 421000, P.R. China.,The Hengyang Key Laboratory of Cellular Stress Biology, Institute of Cytology and Genetics, Hengyang Medical College, University of South China, Hengyang, Hunan 421000, P.R. China
| | - Zhixia Zhang
- Institute of Cytology and Genetics, Hengyang Medical College, University of South China, Hengyang, Hunan 421000, P.R. China
| | - Moussa Ide Nasser
- Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510100, P.R. China
| | - Hui Qin
- Institute of Cytology and Genetics, Hengyang Medical College, University of South China, Hengyang, Hunan 421000, P.R. China.,The Hengyang Key Laboratory of Cellular Stress Biology, Institute of Cytology and Genetics, Hengyang Medical College, University of South China, Hengyang, Hunan 421000, P.R. China
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12
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Bourgi R, Daood U, Bijle MN, Fawzy A, Ghaleb M, Hardan L. Reinforced Universal Adhesive by Ribose Crosslinker: A Novel Strategy in Adhesive Dentistry. Polymers (Basel) 2021; 13:704. [PMID: 33652596 PMCID: PMC7956770 DOI: 10.3390/polym13050704] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 02/12/2021] [Accepted: 02/18/2021] [Indexed: 12/12/2022] Open
Abstract
Enzymatic biodegradation of demineralized collagen fibrils could lead to the reduction of resin-dentin bond strength. Therefore, methods that provide protection to collagen fibrils appear to be a pragmatic solution to improve bond strength. Thus, the study's aim was to investigate the effect of ribose (RB) on demineralized resin-dentin specimens in a modified universal adhesive. Dentin specimens were obtained, standardized and then bonded in vitro with a commercial multi-mode adhesive modified with 0, 0.5%, 1%, and 2% RB, restored with resin composite, and tested for micro-tensile bond strength (µTBS) after storage for 24 h in artificial saliva. Scanning electron microscopy (SEM) was performed to analyze resin-dentin interface. Contact angles were analyzed using a contact angle analyzer. Depth of penetration of adhesives and nanoleakage were assessed using micro-Raman spectroscopy and silver tracing. Molecular docking studies were carried out using Schrodinger small-molecule drug discovery suite 2019-4. Matrix metalloproteinases-2 (MMP-2) and cathepsin-K activities in RB-treated specimens were quantified using enzyme-linked immunosorbent assay (ELISA). The significance level was set at α = 0.05 for all statistical analyses. Incorporation of RB at 1% or 2% is of significant potential (p < 0.05) as it can be associated with improved wettability on dentin surfaces (0.5% had the lowest contact angle) as well as appreciable hybrid layer quality, and higher resin penetration. Improvement of the adhesive bond strength was shown when adding RB at 1% concentration to universal adhesive (p < 0.05). Modified adhesive increased the resistance of collagen degradation by inhibiting MMP-2 and cathepsin-K. A higher RB concentration was associated with improved results (p < 0.01). D-ribose showed favorable negative binding to collagen. In conclusion, universal adhesive using 1% or 2% RB helped in maintaining dentin collagen scaffold and proved to be successful in improving wettability, protease inhibition, and stability of demineralized dentin substrates. A more favorable substrate is created which, in turn, leads to a more stable dentin-adhesive bond. This could lead to more advantageous outcomes in a clinical scenario where a stable bond may result in longevity of the dental restoration.
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Affiliation(s)
- Rim Bourgi
- Department of Restorative Dentistry, School of Dentistry, Saint-Joseph University, Beirut 1107 2180, Lebanon; (R.B.); (M.G.); (L.H.)
| | - Umer Daood
- Clinical Dentistry, Restorative Division, Faculty of Dentistry, International Medical University Kuala Lumpur, 126, Jalan Jalil Perkasa 19, Bukit Jalil, Wilayah Persekutuan, Kuala Lumpur 57000, Malaysia
| | - Mohammed Nadeem Bijle
- Paediatric Dentistry, Faculty of Dentistry, The University of Hong Kong, Hong Kong 999077, China;
| | - Amr Fawzy
- UWA Dental School, University of Western Australia, Nedlands, WA 6009, Australia;
| | - Maroun Ghaleb
- Department of Restorative Dentistry, School of Dentistry, Saint-Joseph University, Beirut 1107 2180, Lebanon; (R.B.); (M.G.); (L.H.)
| | - Louis Hardan
- Department of Restorative Dentistry, School of Dentistry, Saint-Joseph University, Beirut 1107 2180, Lebanon; (R.B.); (M.G.); (L.H.)
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13
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Ramlagan P, Rondeau P, Neergheen VS, Bourdon E, Bahorun T. The Prophylactic Activity of Punica granatum L. mesocarp Protects Preadipocytes against Ribosylated BSA-Induced Toxicity. J Am Coll Nutr 2021; 40:502-516. [PMID: 33606612 DOI: 10.1080/07315724.2020.1793701] [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: 10/22/2022]
Abstract
OBJECTIVE It was aimed at comparing the glycating capacities of glucose and ribose in bovine serum albumin (BSA) and anti-glycation activity of pomegranate mesocarp extract (PME). The protective mechanism of PME against ribosylated BSA (BSARIB)-induced toxicity was also investigated. METHODS BSA was incubated with glucose or ribose in the presence or absence of PME for 15 days. In preadipocytes pretreated with PME, cell viability, ROS production, lipid peroxidation and mitochondrial membrane potential were investigated following 1, 6, 12, 18 and 24 h exposure to BSARIB. Nuclear translocation of NFκB was assessed at 1 h and 24 h of BSARIB insult. Accumulation of oxidized proteins, activities of intrinsic antioxidant enzymes and IL-6 secretion were also determined after 24 h exposure to BSARIB. RESULTS Ribose was a harsher glycating agent as compared to glucose and PME showed strong anti-glycation activity by suppressing (P < 0.05) the increase in levels of fluorescent AGEs, Amadori products, protein carbonyl and advanced oxidation protein products (AOPP). In preadipocytes, BSARIB potentiated pro-apoptotic activity by inhibiting the nuclear translocation of NFκB. BSARIB induced a time dependent decrease in cell viability, which was significantly suppressed (P < 0.05) by PME. The extract also significantly reduced (P < 0.05) the time dependent increase in ROS level and associated lipid peroxidation as well as loss in mitochondrial membrane potential caused by BSARIB. PME also counteracted the BSARIB-induced accumulation of oxidized proteins, decrease in intrinsic antioxidant activity and IL-6 over-secretion. CONCLUSIONS PME showed anti-glycation activity and afforded protection against BSARIB-induced toxicity, oxidative stress and inflammation in preadipocytes.
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Affiliation(s)
- P Ramlagan
- Faculty of Science, Department of Health Sciences, University of Mauritius, Réduit, Mauritius.,Biopharmaceutical Unit, Centre for Biomedical and Biomaterials Research, University of Mauritius, Réduit, Mauritius
| | - P Rondeau
- UMR DÉTROIT-INSERM U1188, Diabète Athérothrombose Thérapies Réunion Océan Indien, Université de La Réunion, Saint-Denis de La Réunion, France
| | - V S Neergheen
- Faculty of Science, Department of Health Sciences, University of Mauritius, Réduit, Mauritius.,Biopharmaceutical Unit, Centre for Biomedical and Biomaterials Research, University of Mauritius, Réduit, Mauritius
| | - E Bourdon
- UMR DÉTROIT-INSERM U1188, Diabète Athérothrombose Thérapies Réunion Océan Indien, Université de La Réunion, Saint-Denis de La Réunion, France
| | - T Bahorun
- Biopharmaceutical Unit, Centre for Biomedical and Biomaterials Research, University of Mauritius, Réduit, Mauritius.,Faculty of Science, Department of Biosciences and Ocean Studies, University of Mauritius, Réduit, Mauritius
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14
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Liraglutide improved the cognitive function of diabetic mice via the receptor of advanced glycation end products down-regulation. Aging (Albany NY) 2020; 13:525-536. [PMID: 33298623 PMCID: PMC7835012 DOI: 10.18632/aging.202162] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 09/14/2020] [Indexed: 02/07/2023]
Abstract
Background and aims Advanced glycation end products (AGEs) and receptor of advanced glycation end products (RAGE), are associated with cognition decline. We aim to investigate the effect of liraglutide on cognitive function in diabetic mice. Results Diabetic mice showed decreased cognitive function. Moreover, lower glucagon like peptide-1 (GLP-1) levels in plasma were detected in db/db mice. Additionally, up-regulated RAGE and down-regulated glucagon like peptide-1 (GLP-1R) levels were observed in db/db mice. However, decreased GLP-1R and increased RAGE were reversed by liraglutide. We also found decreased cellular activity in cells with AGEs. Moreover, AGEs up-regulated RAGE in PC12 and HT22 cells. However, liraglutide improved the cell activity damaged by AGEs. Although we did not discover the direct-interaction between RAGE and GLP-1R, elevated RAGE levels induced by AGEs were restored by liraglutide. Conclusion We demonstrated that the cognitive function of diabetic mice was improved by liraglutide via the down-regulation of RAGE. Methods db/db mice and db/m mice were used in this study. Liraglutide was used to remedy diabetic mice. Neurons and RAGE in hippocampus were shown by immunofluorescence. And then, PC12 cells or HT22 cells with AGEs were treated with liraglutide. GLP-1R and RAGE were measured by western blotting.
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15
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Wu B, Wang Y, Shi C, Chen Y, Yu L, Li J, Li W, Wei Y, He R. Ribosylation-Derived Advanced Glycation End Products Induce Tau Hyperphosphorylation Through Brain-Derived Neurotrophic Factor Reduction. J Alzheimers Dis 2020; 71:291-305. [PMID: 31381511 DOI: 10.3233/jad-190158] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Advanced glycation end products (AGEs) have been implicated in the disease process of diabetes mellitus. They have also been found in senile plaques and neurofibrillary tangles in the brains of Alzheimer's disease patients. Furthermore, abnormally high levels of D-ribose and D-glucose were found in the urine of patients with type 2 diabetes mellitus, suggesting that diabetic patients suffer from dysmetabolism of not only D-glucose but also D-ribose. In the present study, intravenous tail injections of ribosylated rat serum albumin (RRSA) were found to impair memory in rats, but they did not markedly impair learning, as measured by the Morris water maze test. Injections of RRSA were found to trigger tau hyperphosphorylation in the rat hippocampus via GSK-3β activation. Tau hyperphosphorylation and GSK-3β activation were also observed in N2a cells in the presence of ribosylation-derived AGEs. Furthermore, the administration of ribosylation-derived AGEs induced the suppression of brain-derived neurotrophic factor (BDNF) and tropomyosin-related kinase B (TrkB). Both GSK-3β inhibition and BDNF treatment decreased the levels of phosphorylated tau in N2a cells. In particular, the administration of BDNF could rescue memory failure in ribosylated AGE-injected rats. Ribosylation-derived AGEs downregulated the BDNF-TrkB pathway in rat brains and N2a cells, leading to GSK-3β activation-mediated tau hyperphosphorylation, which was involved in the observed rat memory loss. Targeting ribosylation may be a promising therapeutic strategy to prevent Alzheimer's disease and diabetic encephalopathies.
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Affiliation(s)
- Beibei Wu
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, University of Chinese Academy of Sciences, Beijing, China
| | - Yujing Wang
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, University of Chinese Academy of Sciences, Beijing, China
| | - Chenggang Shi
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, University of Chinese Academy of Sciences, Beijing, China
| | - Yao Chen
- Southwest Medical University, Luzhou, Sichuan, China
| | - Lexiang Yu
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, University of Chinese Academy of Sciences, Beijing, China
| | - Juan Li
- Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China
| | - Weiwei Li
- Peking University Hospital, Beijing, China
| | - Yan Wei
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, University of Chinese Academy of Sciences, Beijing, China
| | - Rongqiao He
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, University of Chinese Academy of Sciences, Beijing, China.,Alzheimer's Disease Center, Beijing Institute for Brain Disorders, Capital Medical University, Beijing, China
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16
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Khanam A, Alouffi S, Rehman S, Ansari IA, Shahab U, Ahmad S. An in vitro approach to unveil the structural alterations in d-ribose induced glycated fibrinogen. J Biomol Struct Dyn 2020; 39:5209-5223. [PMID: 32772827 DOI: 10.1080/07391102.2020.1802339] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Plasma proteins persistently bear non-enzymatic post-translational modifications (NEPTM) that proceeds with nucleophilic addition between free amino groups of proteins, and carbonyl group of reducing sugars. Glycation, a prevalent NEPTM rush by the high availability of reducing sugars results in the generation of advanced glycation end products (AGEs). Plasma proteins are more vulnerable to glycation because of the presence of multiple glycation sites and are widely studied. However, fibrinogen glycation is less studied. Therefore, it was designed as an in vitro study to elucidate d-ribose mediated glycative damage suffered by fibrinogen protein at secondary and tertiary structure level. The glycation induced structural alterations were analyzed by UV-vis, fluorescence, circular dichroism, scanning electron microcopy and Fourier transform infrared spectroscopy. Glycation induced protein aggregation and fibrils formation was confirmed by thioflavin T and congo red assay. Moreover, molecular docking study was performed to further validate physicochemical characterization. Structural alterations, increased ketoamines, protein carbonyls and HMF contents were reported in d-ribose glycated fibrinogen against their native analogues. The results validate structural perturbations, increased glycoxidative stress and AGEs formation, which might influence normal function of fibrinogen especially blood coagulation cascade. Thus, we can conclude that under diabetes induced hyperglycemic state in physiological systems, d-ribose induced fibrinogen glycation might play a crucial role in the onset of micro- and macro-vascular complications, thereby worsen the diabetes associated secondary disorders. Moreover, this in vitro study might pave a path to choose fibrinogen as a future biomarker for the early detection of diabetes mediated vascular complications.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Afreen Khanam
- IIRC-1, Laboratory of Glycation Biology and Metabolic Disorder, Department of Biosciences, Faculty of Sciences, Integral University, Lucknow, Uttar Pradesh, India
| | - Sultan Alouffi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, University of Hail, Hail, Saudi Arabia.,Molecular Diagnostic and Personalized Therapeutic Unit, University of Hail, Hail, Saudi Arabia
| | - Shahnawaz Rehman
- IIRC-1, Laboratory of Glycation Biology and Metabolic Disorder, Department of Biosciences, Faculty of Sciences, Integral University, Lucknow, Uttar Pradesh, India
| | - Irfan Ahmad Ansari
- IIRC-1, Laboratory of Glycation Biology and Metabolic Disorder, Department of Biosciences, Faculty of Sciences, Integral University, Lucknow, Uttar Pradesh, India
| | - Uzma Shahab
- Department of Biotechnology, Khwaja Moinuddin Chishti Language University, Lucknow, Uttar Pradesh, India
| | - Saheem Ahmad
- IIRC-1, Laboratory of Glycation Biology and Metabolic Disorder, Department of Biosciences, Faculty of Sciences, Integral University, Lucknow, Uttar Pradesh, India.,Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, University of Hail, Hail, Saudi Arabia
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17
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Maksimovic I, Zheng Q, Trujillo MN, Galligan JJ, David Y. An Azidoribose Probe to Track Ketoamine Adducts in Histone Ribose Glycation. J Am Chem Soc 2020; 142:9999-10007. [PMID: 32390412 PMCID: PMC8052992 DOI: 10.1021/jacs.0c01325] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Reactive cellular metabolites can modify macromolecules and form adducts known as nonenzymatic covalent modifications (NECMs). The dissection of the mechanisms, regulation, and consequences of NECMs, such as glycation, has been challenging due to the complex and often ambiguous nature of the adducts formed. Specific chemical tools are required to directly track the formation of these modifications on key targets in order to uncover their underlying physiological importance. Here, we present the novel chemoenzymatic synthesis of an active azido-modified ribose analog, 5-azidoribose (5-AR), as well as the synthesis of an inactive control derivative, 1-azidoribose (1-AR), and their application toward understanding protein ribose-glycation in vitro and in cellulo. With these new probes we found that, similar to methylglyoxal (MGO) glycation, ribose glycation specifically accumulates on histones. In addition to fluorescent labeling, we demonstrate the utility of the probe in enriching modified targets, which were identified by label-free quantitative proteomics and high-resolution MS/MS workflows. Finally, we establish that the known oncoprotein and hexose deglycase, fructosamine 3-kinase (FN3K), recognizes and facilitates the removal of 5-AR glycation adducts in live cells, supporting the dynamic regulation of ribose glycation as well as validating the probe as a new platform to monitor FN3K activity. Altogether, we demonstrate this probe's utilities to uncover ribose-glycation and deglycation events as well as track FN3K activity toward establishing its potential as a new cancer vulnerability.
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Affiliation(s)
- Igor Maksimovic
- Tri-Institutional PhD Program in Chemical Biology, New York, New York 10065, United States
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, New York 10065, United States
| | - Qingfei Zheng
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, New York 10065, United States
| | - Marissa N Trujillo
- Department of Pharmaocology and Toxicology, College of Pharmacy, University of Arizona, Tucson, Arizona 85721, United States
| | - James J Galligan
- Department of Pharmaocology and Toxicology, College of Pharmacy, University of Arizona, Tucson, Arizona 85721, United States
| | - Yael David
- Tri-Institutional PhD Program in Chemical Biology, New York, New York 10065, United States
- Chemical Biology Program, Memorial Sloan Kettering Cancer Center, New York, New York 10065, United States
- Department of Pharmacology, Weill Cornell Medicine, New York, New York 10065, United States
- Department of Physiology, Biophysics and Systems Biology, Weill Cornell Medicine, New York, New York 10065, United States
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18
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The furanosidic scaffold of d-ribose: a milestone for cell life. Biochem Soc Trans 2020; 47:1931-1940. [PMID: 31697320 DOI: 10.1042/bst20190749] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 10/03/2019] [Accepted: 10/07/2019] [Indexed: 01/15/2023]
Abstract
The recruitment of the furanosidic scaffold of ribose as the crucial step for nucleotides and then for nucleic acids synthesis is presented. Based on the view that the selection of molecules to be used for relevant metabolic purposes must favor structurally well-defined molecules, the inadequacy of ribose as a preferential precursor for nucleotides synthesis is discussed. The low reliability of ribose in its furanosidic hemiacetal form must have played ab initio against the choice of d-ribose for the generation of d-ribose-5-phosphate, the fundamental precursor of the ribose moiety of nucleotides. The latter, which is instead generated through the 'pentose phosphate pathway' is strictly linked to the affordable and reliable pyranosidic structure of d-glucose.
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19
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Javed M, Ahmad MI, Javed H, Naseem S. D-ribose and pathogenesis of Alzheimer's disease. Mol Biol Rep 2020; 47:2289-2299. [PMID: 31933261 DOI: 10.1007/s11033-020-05243-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Accepted: 01/02/2020] [Indexed: 12/29/2022]
Abstract
It is estimated that the global prevalence of dementia will rise as high as 24 million and predicted to be double in every 20 years which is attributed to the fact that the ageing population is increasing and so more individuals are at risk of developing neurodegenerative diseases like Alzheimer's. Many scientists favored glycation of proteins such as tau, amyloid beta (Aβ) etc. as one of the important risk factor in Alzheimer's disease (AD). Since, D-ribose shows highest glycation ability among other sugars hence, produces advanced glycation end products (AGEs) rapidly. However, there are several other mechanisms suggested by researchers through which D-ribose may cause cognitive impairments. There is a concern related to diabetic patients since they also suffer from D-ribose metabolism, may be more prone to AD risk. Thus, it is imperative that the pathogenesis and the pathways involved in AD progression are explored in the light of ribosylation and AGEs formation for identifying suitable diagnostics marker for early diagnosis or finding promising therapeutic outcomes.
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Affiliation(s)
- Mehjbeen Javed
- Aquatic Toxicology Research Laboratory, Department of Zoology, Aligarh Muslim University, Aligarh, U.P., India
| | - Md Irshad Ahmad
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, U.P., India.,Department of Biophysics, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, 110029, India
| | - Hina Javed
- Department of Chemistry, Aligarh Muslim University, Aligarh, U.P., India
| | - Sufia Naseem
- Department of Biochemistry, Faculty of Medicine, Aligarh Muslim University, Aligarh, U.P., India.
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20
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Hong J, Li G, Zhang Q, Ritter J, Li W, Li PL. D-Ribose Induces Podocyte NLRP3 Inflammasome Activation and Glomerular Injury via AGEs/RAGE Pathway. Front Cell Dev Biol 2019; 7:259. [PMID: 31737627 PMCID: PMC6831643 DOI: 10.3389/fcell.2019.00259] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Accepted: 10/17/2019] [Indexed: 01/20/2023] Open
Abstract
D-ribose levels are demonstrated to be increased in type II diabetes mellitus and increased blood D-ribose is involved in the development of diabetic complications such as diabetic encephalopathy and nephropathy. However, the mechanism mediating the pathogenic role of D-ribose in nephropathy remains poorly understood. Given that D-ribose was reported to induce advanced glycation end products (AGEs) formation, the present study tested whether D-ribose induces NLRP3 activation and associated glomerular injury via AGEs/receptor of AGEs (RAGE) signaling pathway. In vivo, C57BL/6J and Asc-/- mice were treated with D-ribose with or without AGEs inhibitor. Administration of D-ribose daily for 30 days was found to induce NLRP3 inflammasome formation in glomerular podocyte, as shown by increased co-localization of NLRP3 with apoptosis-associated speck-like protein containing a caspase recruitment domain (ASC) or caspase-1. This D-ribose-induced NLRP3 inflammasome formation was accompanied by its activation as evidenced by increased IL-1β production, a major product of NLRP3 inflammasome. Corresponding to NLRP3 inflammasome activation, D-ribose led to significant glomerular injury in mice. All these D-ribose-induced glomerular inflammasome and associated pathological changes were markedly attenuated by deletion of Asc gene. Furthermore, the accumulation of AGEs and RAGE was found increased in glomeruli of mice receiving D-ribose. In cell studies, we also confirmed that D-ribose induced NLRP3 inflammasome formation and activation in podocytes, which was significantly blocked by caspase-1 inhibitor, YvAD. Mechanically, AGEs formation inhibition and cleavage or silencing of RAGE gene were shown to suppress D-ribose-induced NLRP3 inflammasome formation and activation, as shown by significant reduction of NLRP3 inflammasome molecular aggregation, caspase-1 activity and IL-1β production. These results strongly suggest that relatively long term administration of D-ribose induces NLRP3 inflammasome formation and activation in podocytes via AGEs/RAGE signaling pathway, which may be one of important triggering mechanisms leading to diabetic nephropathy.
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Affiliation(s)
- Jinni Hong
- Integrated Laboratory of Traditional Chinese Medicine and Western Medicine, Peking University First Hospital, Beijing, China
- Department of Gynecology, The Affiliated People’s Hospital of Fujian University of Traditional Chinese Medicine, Fuzhou, China
- Department of Pharmacology and Toxicology, Medical College of Virginia, Virginia Commonwealth University, Richmond, VA, United States
| | - Guangbi Li
- Department of Pharmacology and Toxicology, Medical College of Virginia, Virginia Commonwealth University, Richmond, VA, United States
| | - Qinghua Zhang
- Department of Pharmacology and Toxicology, Medical College of Virginia, Virginia Commonwealth University, Richmond, VA, United States
| | - Joseph Ritter
- Department of Pharmacology and Toxicology, Medical College of Virginia, Virginia Commonwealth University, Richmond, VA, United States
| | - Weiwei Li
- Integrated Laboratory of Traditional Chinese Medicine and Western Medicine, Peking University First Hospital, Beijing, China
| | - Pin-Lan Li
- Department of Pharmacology and Toxicology, Medical College of Virginia, Virginia Commonwealth University, Richmond, VA, United States
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21
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van Tol W, van Scherpenzeel M, Alsady M, Riemersma M, Hermans E, Kragt E, Tasca G, Kamsteeg EJ, Pennings M, van Beusekom E, Vermeulen JR, van Bokhoven H, Voermans NC, Willemsen MA, Ashikov A, Lefeber DJ. Cytidine Diphosphate-Ribitol Analysis for Diagnostics and Treatment Monitoring of Cytidine Diphosphate-l-Ribitol Pyrophosphorylase A Muscular Dystrophy. Clin Chem 2019; 65:1295-1306. [PMID: 31375477 DOI: 10.1373/clinchem.2019.305391] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Accepted: 06/27/2019] [Indexed: 01/03/2023]
Abstract
BACKGROUND Many muscular dystrophies currently remain untreatable. Recently, dietary ribitol has been suggested as a treatment for cytidine diphosphate (CDP)-l-ribitol pyrophosphorylase A (CRPPA, ISPD), fukutin (FKTN), and fukutin-related protein (FKRP) myopathy, by raising CDP-ribitol concentrations. Thus, to facilitate fast diagnosis, treatment development, and treatment monitoring, sensitive detection of CDP-ribitol is required. METHODS An LC-MS method was optimized for CDP-ribitol in human and mice cells and tissues. RESULTS CDP-ribitol, the product of CRPPA, was detected in all major human and mouse tissues. Moreover, CDP-ribitol concentrations were reduced in fibroblasts and skeletal muscle biopsies from patients with CRPPA myopathy, showing that CDP-ribitol could serve as a diagnostic marker to identify patients with CRPPA with severe Walker-Warburg syndrome and mild limb-girdle muscular dystrophy (LGMD) phenotypes. A screen for potentially therapeutic monosaccharides revealed that ribose, in addition to ribitol, restored CDP-ribitol concentrations and the associated O-glycosylation defect of α-dystroglycan. As the effect occurred in a mutation-dependent manner, we established a CDP-ribitol blood test to facilitate diagnosis and predict individualized treatment response. Ex vivo incubation of blood cells with ribose or ribitol restored CDP-ribitol concentrations in a patient with CRPPA LGMD. CONCLUSIONS Sensitive detection of CDP-ribitol with LC-MS allows fast diagnosis of patients with severe and mild CRPPA myopathy. Ribose offers a readily testable dietary therapy for CRPPA myopathy, with possible applicability for patients with FKRP and FKTN myopathy. Evaluation of CDP-ribitol in blood is a promising tool for the evaluation and monitoring of dietary therapies for CRPPA myopathy in a patient-specific manner.
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Affiliation(s)
- Walinka van Tol
- Department of Neurology, Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, Nijmegen, the Netherlands.,Translational Metabolic Laboratory, Department of Laboratory Medicine, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Monique van Scherpenzeel
- Translational Metabolic Laboratory, Department of Laboratory Medicine, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Mohammad Alsady
- Department of Neurology, Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Moniek Riemersma
- Department of Neurology, Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Esther Hermans
- Department of Neurology, Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Else Kragt
- Translational Metabolic Laboratory, Department of Laboratory Medicine, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Giorgio Tasca
- Unità Operativa Complessa di Neurologia, Dipartimento di Scienze dell'Invecchiamento, Neurologiche, Ortopediche e della Testa-Collo, Fondazione Policlinico A. Gemelli IRCCS, Roma, Italy
| | - Erik-Jan Kamsteeg
- Department of Human Genetics, Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Maartje Pennings
- Department of Human Genetics, Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Ellen van Beusekom
- Department of Human Genetics, Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, Nijmegen, the Netherlands
| | | | - Hans van Bokhoven
- Department of Human Genetics, Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Nicol C Voermans
- Department of Neurology, Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Michèl A Willemsen
- Department of Pediatric Neurology, Amalia Children's Hospital, Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Angel Ashikov
- Department of Neurology, Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Dirk J Lefeber
- Department of Neurology, Donders Institute for Brain, Cognition and Behavior, Radboud University Medical Center, Nijmegen, the Netherlands; .,Translational Metabolic Laboratory, Department of Laboratory Medicine, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, the Netherlands
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22
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Yu L, Chen Y, Xu Y, He T, Wei Y, He R. D-ribose is elevated in T1DM patients and can be involved in the onset of encephalopathy. Aging (Albany NY) 2019; 11:4943-4969. [PMID: 31307014 PMCID: PMC6682534 DOI: 10.18632/aging.102089] [Citation(s) in RCA: 20] [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: 04/29/2019] [Accepted: 07/04/2019] [Indexed: 12/25/2022]
Abstract
Although many mechanisms have been proposed for diabetic encephalopathy in type 2 diabetes mellitus (T2DM), the risk factors for cognitive impairment in type 1 diabetes mellitus (T1DM) are less clear. Here, we show that streptozotocin (STZ)-induced T1DM rats showed cognitive impairment in both Y maze and Morris water maze assays, accompanied with D-ribose was significantly increased in blood and urine, in addition to D-glucose. Furthermore, advanced glycation end products (AGE), Tau hyperphosphorylation and neuronal death in the hippocampal CA4/DG region were detected in T1DM rats. The expression and activity of transketolase (TKT), an important enzyme in the pentose shunt, were decreased in the brain, indicating that TKT may be involved in D-ribose metabolism in T1DM. Support for these change was demonstrated by the activation of TKT with benfotiamine (BTMP) treatment. Decreased D-ribose levels but not D-glucose levels; markedly reduced AGE accumulation, Tau hyperphosphorylation, and neuronal death; and improved cognitive ability in T1DM rats were shown after BTMP administration. In clinical investigation, T1DM patients had high D-ribose levels in both urine and serum. Our work suggests that D-ribose is involved in the cognitive impairment in T1DM and may provide a potentially novel target for treating diabetic encephalopathy.
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Affiliation(s)
- Lexiang Yu
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, University of Chinese Academy of Sciences, Beijing 100101, China
| | - Yao Chen
- School of Basic Medical Sciences of Southwest Medical University, Luzhou 646000, China
| | - Yong Xu
- Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Tao He
- School of Basic Medical Sciences of Southwest Medical University, Luzhou 646000, China
| | - Yan Wei
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, University of Chinese Academy of Sciences, Beijing 100101, China
- CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing 100101, China
| | - Rongqiao He
- School of Basic Medical Sciences of Southwest Medical University, Luzhou 646000, China
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, University of Chinese Academy of Sciences, Beijing 100101, China
- Alzheimer’s Disease Center, Beijing Institute for Brain Disorders, Center for Brain Disorders Research, Capital Medical University, Beijing 100069, China
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23
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Venkatramani A, Panda D. Regulation of neuronal microtubule dynamics by tau: Implications for tauopathies. Int J Biol Macromol 2019; 133:473-483. [DOI: 10.1016/j.ijbiomac.2019.04.120] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 04/16/2019] [Accepted: 04/16/2019] [Indexed: 12/13/2022]
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24
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Staneva R, Burla F, Koenderink GH, Descroix S, Vignjevic DM, Attieh Y, Verhulsel M. A new biomimetic assay reveals the temporal role of matrix stiffening in cancer cell invasion. Mol Biol Cell 2018; 29:2979-2988. [PMID: 30303750 PMCID: PMC6333180 DOI: 10.1091/mbc.e18-01-0068] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Tumor initiation and growth is associated with significant changes in the surrounding tissue. During carcinoma progression, a global stiffening of the extracellular matrix is observed and is interpreted as a signature of aggressive invasive tumors. However, it is still unknown whether this increase in matrix rigidity promotes invasion and whether this effect is constant along the course of invasion. Here we have developed a biomimetic in vitro assay that enabled us to address the question of the importance of tissue rigidity in the chronology of tumor invasion. Using low concentrations of the sugar threose, we can effectively stiffen reconstituted collagen I matrices and control the stiffening in time with no direct effect on residing cells. Our findings demonstrate that, depending on the timing of its stiffening, the extracellular matrix could either inhibit or promote cancer cell invasion and subsequent metastasis: while matrix stiffening after the onset of invasion promotes cancer cell migration and tumor spreading, stiff matrices encapsulate the tumor at an early stage and prevent cancer cell invasion. Our study suggests that adding a temporal dimension in in vitro models to analyze biological processes in four dimensions is necessary to fully capture their complexity.
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Affiliation(s)
- Ralitza Staneva
- Institut Curie, PSL Research University, CNRS, UMR 144, F-75005 Paris, France.,Université Paris Descartes, 75006 Paris, France
| | - Federica Burla
- Department of Living Matter, AMOLF, 1098 XG Amsterdam, The Netherlands
| | | | | | | | - Youmna Attieh
- Institut Curie, PSL Research University, CNRS, UMR 144, F-75005 Paris, France.,Sorbonne Universités, UPMC Univ Paris 06, IFD, 75252 Paris cedex 05, France
| | - Marine Verhulsel
- UMR 168, F-75005 Paris, France.,Sorbonne Universités, UPMC Univ Paris 06, IFD, 75252 Paris cedex 05, France
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25
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Hong J, Wang X, Zhang N, Fu H, Li W. D-ribose induces nephropathy through RAGE-dependent NF-κB inflammation. Arch Pharm Res 2018; 41:838-847. [PMID: 30101366 PMCID: PMC6132794 DOI: 10.1007/s12272-018-1061-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 07/30/2018] [Indexed: 12/17/2022]
Abstract
Recently, aberrantly high levels of d-ribose have been discovered in type II diabetic patients. d-ribose glycates proteins more rapidly than d-glucose, resulting in the production of advanced glycation end products (AGEs). Accumulations of these products can be found in impaired renal function, but the mechanisms are poorly understood. The present study tested whether d-ribose induces renal dysfunction via the RAGE-dependent NF-κB signaling pathway. In vivo, administration of d-ribose was found to lower blood glucose and regulate insulin tolerance. Compared to controls, urine nitrogen and creatinine excretion were increased in mice receiving d-ribose and were accompanied by severe pathological renal damage. Furthermore, immunohistochemistry showed that NF-κB, AGEs, and receptor of AGEs (RAGE) increased in the kidneys of the mice with d-ribose treatment. In vitro, by western blot and immunofluorescent staining, we confirmed that d-ribose induced NF-κB activation and accumulation of AGEs and RAGE in mesangial cells. By co-immunoprecipitation, we found that the pull-down of RAGE remarkably increased the expression of NF-κB. Silencing the RAGE gene blocked the phosphorylation of NF-κB induced by d-ribose. These results strongly suggest that d-ribose induced NF-κB inflammation in a RAGE-dependent manner, which may be a triggering mechanism leading to nephropathy.
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Affiliation(s)
- Jinni Hong
- Integrated Laboratory of Traditional Chinese Medicine and Western Medicine, Peking University First Hospital, Beijing, 100034, People's Republic of China.,Department of Pharmacology and Toxicology, School of Medicine, Virginia Commonwealth University, Richmond, VA, 23298, USA
| | - Xuemei Wang
- Integrated Laboratory of Traditional Chinese Medicine and Western Medicine, Peking University First Hospital, Beijing, 100034, People's Republic of China
| | - Ning Zhang
- Integrated Laboratory of Traditional Chinese Medicine and Western Medicine, Peking University First Hospital, Beijing, 100034, People's Republic of China
| | - Hong Fu
- Integrated Laboratory of Traditional Chinese Medicine and Western Medicine, Peking University First Hospital, Beijing, 100034, People's Republic of China
| | - Weiwei Li
- Integrated Laboratory of Traditional Chinese Medicine and Western Medicine, Peking University First Hospital, Beijing, 100034, People's Republic of China.
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26
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Liu SY, Huang CH, Shieh JC, Lee TL. Cinnamomum osmophloeum Kanehira ethanol extracts prevents human liver-derived HepG2 cell death from oxidation stress by induction of ghrelin gene expression. J Biosci 2018; 42:439-448. [PMID: 29358557 DOI: 10.1007/s12038-017-9697-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Diabetes patients associated with liver disease carry a significant risk of morbidity and mortality. Cinnamon has been reported to reduce fructose-induced oxidative stress in the rat liver. However, the mechanism by which cinnamon protects the liver in a high-saccharide environment remains to be investigated. HepG2 cells were cultured with 30 mM D-ribose to mimic the high-oxidative-stress environment, typical of a liver in a diabetic patient. Three different chemical types of C. osmophloeum ethanol extracts (CEEs) were added in HepG2 culture media and the administration of all three CEEs protected HepG2 cells from D-ribose damage and increased cell survival by approximately 20 percent. Exclusively, the transcript variant 1 of the ghrelin gene, but not variant 3, was 2-3 times induced by the addition of these CEEs. Moreover, the mRNAs of ghrelin processing enzyme, furin, and mboat4 were detected in HepG2 cells. The ghrelin hormones in the culture media were increased 4-9 times by the addition of CEEs. The protective effects of ghrelin on HepG2 cells in D-ribose environment were further confirmed by recombinant ghrelin transfection. We conclude that the CEEs induce ghrelin gene expression and protect HepG2 cells from D-ribose-induced oxidative damage through ghrelin signalling.
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Affiliation(s)
- Shu-Ying Liu
- Department of Molecular Biotechnology, Da-Yeh University, Changhua, Taiwan
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27
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Nevin C, McNeil L, Ahmed N, Murgatroyd C, Brison D, Carroll M. Investigating the Glycating Effects of Glucose, Glyoxal and Methylglyoxal on Human Sperm. Sci Rep 2018; 8:9002. [PMID: 29899461 PMCID: PMC5998133 DOI: 10.1038/s41598-018-27108-7] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Accepted: 05/23/2018] [Indexed: 02/06/2023] Open
Abstract
Glycation is the non-enzymatic reaction between reducing sugars, such as glucose, and proteins, lipids or nucleic acids, producing Advanced Glycation End (AGE) products. AGEs, produced during natural senescence as well as through lifestyle factors such as diet and smoking, are key pathogenic compounds in the initiation and progression of diabetes. Importantly, many of these factors and conditions also have influence on male fertility, affecting sperm count and semen quality, contributing to the decreasing trend in male fertility. This study investigated the impact of AGEs on sperm damage. In vitro sperm glycation assays were used to determine the levels and localization of the potent AGE compound, carboxymethyl-lysine (CML) in response to treatment with the glycating compounds glucose, glyoxal and methylglyoxal. Sperm function assays were then used to assess the effects of glycation on motility and hyaluronan binding, and levels of oxidative DNA damage were analyzed through measurement of the marker, 8-oxoguanine. Results showed that glyoxal, but not glucose or methylglyoxal, induced significant increases in CML levels on sperm and this correlated with an increase in 8-oxoguanine. Immunocytochemistry revealed that AGEs were located on all parts of the sperm cell and most prominently on the head region. Sperm motility and hyaluronidase activity were not adversely affected by glycation. Together, the observed detrimental effects of the increased levels of AGE on DNA integrity, without an effect on motility and hyaluronidase activity, suggest that sperm may retain some fertilizing capacity under these adverse conditions.
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Affiliation(s)
- Clare Nevin
- School of Healthcare Science, Faculty of Science and Engineering, Manchester Metropolitan University, John Dalton Building, Chester Street, Manchester, M1 5GD, UK
| | - Lauren McNeil
- School of Healthcare Science, Faculty of Science and Engineering, Manchester Metropolitan University, John Dalton Building, Chester Street, Manchester, M1 5GD, UK
| | - Nessar Ahmed
- School of Healthcare Science, Faculty of Science and Engineering, Manchester Metropolitan University, John Dalton Building, Chester Street, Manchester, M1 5GD, UK
| | - Chris Murgatroyd
- School of Healthcare Science, Faculty of Science and Engineering, Manchester Metropolitan University, John Dalton Building, Chester Street, Manchester, M1 5GD, UK
| | - Daniel Brison
- Department of Reproductive Medicine, Old St Mary's Hospital, Manchester University NHS Foundation Trust, Manchester Academic Health Sciences Centre, Oxford Road, Manchester, M13 9PT, UK
| | - Michael Carroll
- School of Healthcare Science, Faculty of Science and Engineering, Manchester Metropolitan University, John Dalton Building, Chester Street, Manchester, M1 5GD, UK.
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28
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Ramlagan P, Rondeau P, Planesse C, Neergheen-Bhujun VS, Bourdon E, Bahorun T. Comparative suppressing effects of black and green teas on the formation of advanced glycation end products (AGEs) and AGE-induced oxidative stress. Food Funct 2018; 8:4194-4209. [PMID: 29043349 DOI: 10.1039/c7fo01038a] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
This study aimed at investigating and comparing the anti-diabetic potential of black and green teas. Biochemical analyses indicate higher antioxidant potency, significantly correlated with the phytochemicals present, in green teas compared to black teas. Both extracts afforded a similar level of protection to erythrocytes against peroxyl radical-induced lysis. Non-cytotoxic concentration of green and black tea extracts significantly reduced the reactive oxygen species (ROS) production (P < 0.01), lowered the oxidation of proteins (P < 0.05) and decreased the IL-6 secretion (P < 0.01) induced by AGEs or H2O2 in 3T3-L1 preadipocytes. Both teas also inhibited the decline in the enzymatic activities of superoxide dismutase, catalase and glutathione peroxidase induced by the pro-oxidants. The teas further suppressed the glycation of BSA mediated by glucose, ribose and MGO by reducing fluorescent AGE, fructosamine, protein carbonyl and AOPP levels. Black and green teas also inhibited the activities of α-amylase (AA50: 589.86 ± 39.51 and 947.80 ± 18.20 μg mL-1, respectively) and α-glucosidase (AA50: 72.31 ± 4.23 and 100.23 ± 8.10 μg mL-1, respectively). The teas afforded a comparable level of protection at the cellular level and against glycation while black tea exerted the highest carbohydrate hydrolysing enzymes inhibitory activity. Our results clearly show that black and green teas represent an important source of antioxidants with anti-diabetic potential.
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Affiliation(s)
- P Ramlagan
- Department of Health Sciences, Faculty of Science, University of Mauritius, Réduit, Mauritius
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29
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GRP78 protects CHO cells from ribosylation. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2018; 1865:629-637. [DOI: 10.1016/j.bbamcr.2018.02.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Revised: 01/29/2018] [Accepted: 02/01/2018] [Indexed: 12/28/2022]
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30
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Chen X, Su T, Chen Y, He Y, Liu Y, Xu Y, Wei Y, Li J, He R. d-Ribose as a Contributor to Glycated Haemoglobin. EBioMedicine 2017; 25:143-153. [PMID: 29033370 PMCID: PMC5704047 DOI: 10.1016/j.ebiom.2017.10.001] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 09/28/2017] [Accepted: 10/02/2017] [Indexed: 12/19/2022] Open
Abstract
Glycated haemoglobin (HbA1c) is the most important marker of hyperglycaemia in diabetes mellitus. We show that d-ribose reacts with haemoglobin, thus yielding HbA1c. Using mass spectrometry, we detected glycation of haemoglobin with d-ribose produces 10 carboxylmethyllysines (CMLs). The first-order rate constant of fructosamine formation for d-ribose was approximately 60 times higher than that for d-glucose at the initial stage. Zucker Diabetic Fatty (ZDF) rat, a common model for type 2 diabetes mellitus (T2DM), had high levels of d-ribose and HbA1c, accompanied by a decrease of transketolase (TK) in the liver. The administration of benfotiamine, an activator of TK, significantly decreased d-ribose followed by a decline in HbA1c. In clinical investigation, T2DM patients with high HbA1c had a high level of urine d-ribose, though the level of their urine d-glucose was low. That is, d-ribose contributes to HbA1c, which prompts future studies to further explore whether d-ribose plays a role in the pathophysiological mechanism of T2DM.
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Affiliation(s)
- Xixi Chen
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, University of Chinese Academy of Sciences, Beijing 100101, China
| | - Tao Su
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, University of Chinese Academy of Sciences, Beijing 100101, China
| | - Yao Chen
- Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Yingge He
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, University of Chinese Academy of Sciences, Beijing 100101, China
| | - Ying Liu
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, University of Chinese Academy of Sciences, Beijing 100101, China
| | - Yong Xu
- Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Yan Wei
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, University of Chinese Academy of Sciences, Beijing 100101, China; CAS Key Laboratory of Mental Health, Institute of Psychology, University of Chinese Academy of Sciences, Beijing 100101, China.
| | - Juan Li
- CAS Key Laboratory of Mental Health, Institute of Psychology, University of Chinese Academy of Sciences, Beijing 100101, China
| | - Rongqiao He
- State Key Laboratory of Brain and Cognitive Science, Institute of Biophysics, University of Chinese Academy of Sciences, Beijing 100101, China; CAS Key Laboratory of Mental Health, Institute of Psychology, University of Chinese Academy of Sciences, Beijing 100101, China; Alzheimer's Disease Center, Beijing Institute for Brain Disorders, Capital Medical University, Beijing 100069, China.
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31
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Xu Y, Zhou H, Zhu Q. The Impact of Microbiota-Gut-Brain Axis on Diabetic Cognition Impairment. Front Aging Neurosci 2017; 9:106. [PMID: 28496408 PMCID: PMC5406474 DOI: 10.3389/fnagi.2017.00106] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Accepted: 03/31/2017] [Indexed: 12/11/2022] Open
Abstract
Progressive cognitive dysfunction is a central characteristic of diabetic encephalopathy (DE). With an aging population, the incidence of DE is rising and it has become a major threat that seriously affects public health. Studies within this decade have indicated the important role of risk factors such as oxidative stress and inflammation on the development of cognitive impairment. With the recognition of the two-way communication between gut and brain, recent investigation suggests that “microbiota-gut-brain axis” also plays a pivotal role in modulating both cognition function and endocrine stability. This review aims to systemically elucidate the underlying impact of diabetes on cognitive impairment.
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Affiliation(s)
- Youhua Xu
- Faculty of Chinese Medicine, Macau University of Science and TechnologyTaipa, Macau.,State Key Laboratory of Quality Research in Chinese Medicine (Macau University of Science and Technology)Taipa, Macau
| | - Hua Zhou
- Faculty of Chinese Medicine, Macau University of Science and TechnologyTaipa, Macau.,State Key Laboratory of Quality Research in Chinese Medicine (Macau University of Science and Technology)Taipa, Macau.,Laboratory for Bioassay and Molecular Pharmacology of Chinese Medicines, Macau Institute for Applied Research in Medicine and HealthTaipa, Macau
| | - Quan Zhu
- Faculty of Chinese Medicine, Macau University of Science and TechnologyTaipa, Macau.,State Key Laboratory of Quality Research in Chinese Medicine (Macau University of Science and Technology)Taipa, Macau.,Laboratory for Bioassay and Molecular Pharmacology of Chinese Medicines, Macau Institute for Applied Research in Medicine and HealthTaipa, Macau.,Guangdong Consun Pharmaceutical Group, Institute of Consun Co. for Chinese Medicine in Kidney DiseasesGuangzhou, China
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32
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Bhuiyan MNI, Mitsuhashi S, Sigetomi K, Ubukata M. Quercetin inhibits advanced glycation end product formation via chelating metal ions, trapping methylglyoxal, and trapping reactive oxygen species. Biosci Biotechnol Biochem 2017; 81:882-890. [PMID: 28388357 DOI: 10.1080/09168451.2017.1282805] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Physiological concentration of Mg2+, Cu2+, and Zn2+ accelerated AGE formation only in glucose-mediated conditions, which was effectively inhibited by chelating ligands. Only quercetin (10) inhibited MGO-mediated AGE formation as well as glucose- and ribose-mediated AGE formation among 10 polyphenols (1-10) tested. We performed an additional structure-activity relationship (SAR) study on flavanols (10, 11, 12, 13, and 14). Morin (12) and kaempherol (14) showed inhibitory activity against MGO-mediated AGE formation, whereas rutin (11) and fisetin (13) did not. These observations indicate that 3,5,7,4'-tetrahydroxy and 4-keto groups of 10 are important to yield newly revised mono-MGO adducts (16 and 17) and di-MGO adduct (18) having cyclic hemiacetals, while 3'-hydroxy group is not essential. We propose here a comprehensive inhibitory mechanism of 10 against AGE formation including chelation effect, trapping of MGO, and trapping of reactive oxygen species (ROS), which leads to oxidative degradation of 18 to 3,4-dihydroxybenzoic acid (15) and other fragments.
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Affiliation(s)
| | - Shinya Mitsuhashi
- a Division of Applied Bioscience, Graduate School of Agriculture , Hokkaido University , Sapporo , Japan
| | - Kengo Sigetomi
- a Division of Applied Bioscience, Graduate School of Agriculture , Hokkaido University , Sapporo , Japan
| | - Makoto Ubukata
- a Division of Applied Bioscience, Graduate School of Agriculture , Hokkaido University , Sapporo , Japan
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33
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Sirangelo I, Vella FM, Irace G, Manco G, Iannuzzi C. Glycation in Demetalated Superoxide Dismutase 1 Prevents Amyloid Aggregation and Produces Cytotoxic Ages Adducts. Front Mol Biosci 2016; 3:55. [PMID: 27695694 PMCID: PMC5026054 DOI: 10.3389/fmolb.2016.00055] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Accepted: 08/31/2016] [Indexed: 01/18/2023] Open
Abstract
Superoxide dismutase 1 (SOD1) has been implicated with familial amyotrophic lateral sclerosis (fALS) through accumulation of protein amyloid aggregates in motor neurons of patients. Amyloid aggregates and protein inclusions are a common pathological feature of many neurological disorders in which protein aggregation seems to be directly related to neurotoxicity. Although, extensive studies performed on the aggregation process of several amyloidogenic proteins in vitro allowed the identification of many physiological factors involved, the molecular mechanisms underlying the formation of amyloid aggregates in vivo and in pathological conditions are still poorly understood. Post-translational modifications are known to affect protein structure and function and, recently, much attention has been devoted to the role played by non-enzymatic glycation in stimulating amyloid aggregation and cellular toxicity. In particular, glycation seems to have a determining role both in sporadic and familial forms of ALS and SOD1 has been shown to be glycated in vivo The aim of this study was to investigate the role of glycation on the amyloid aggregation process of both wild-type SOD1 and its ALS-related mutant G93A. To this aim, the glycation kinetics of both native and demetalated SOD have been followed using two different glycating agents, i.e., D-ribose and methylglyoxal. The effect of glycation on the structure and the amyloid aggregation propensity of native and ApoSOD has been also investigated using a combination of biophysical and biochemical techniques. In addition, the effect of SOD glycated species on cellular toxicity and reactive oxygen species (ROS) production has been evaluated in different cellular models. The results provided by this study contribute to clarify the role of glycation in amyloid aggregation and suggest a direct implication of glycation in the pathology of fALS.
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Affiliation(s)
- Ivana Sirangelo
- Department of Biochemistry, Biophysics and General Pathology, Second University of Naples Naples, Italy
| | - Filomena M Vella
- Institute of Agro-environmental and Forest Biology, Italian National Research Council Naples, Italy
| | - Gaetano Irace
- Department of Biochemistry, Biophysics and General Pathology, Second University of Naples Naples, Italy
| | - Giuseppe Manco
- Institute of Protein Biochemistry, Italian National Research Council Naples, Italy
| | - Clara Iannuzzi
- Department of Biochemistry, Biophysics and General Pathology, Second University of NaplesNaples, Italy; Institute of Protein Biochemistry, Italian National Research CouncilNaples, Italy
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Wu B, Wei Y, Wang Y, Su T, Zhou L, Liu Y, He R. Gavage of D-Ribose induces Aβ-like deposits, Tau hyperphosphorylation as well as memory loss and anxiety-like behavior in mice. Oncotarget 2016; 6:34128-42. [PMID: 26452037 PMCID: PMC4741441 DOI: 10.18632/oncotarget.6021] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2015] [Accepted: 09/07/2015] [Indexed: 11/25/2022] Open
Abstract
In addition to D-Glucose, D-Ribose is also abnormally elevated in the urine of type 2 diabetic patients, establishing a positive correlation between the concentration of uric D-Ribose and the severity of diabetes. Intraperitoneal injection of D-Ribose causes memory loss and brain inflammation in mice. To simulate a chronic progression of age-related cognitive impairment, we orally administered D-Ribose by gavage at both a low and high dose to 8 week-old male C57BL/6J mice daily for a total of 6 months, followed by behavioral, histological and biochemical analysis. We found that long-term oral administration of D-Ribose impairs spatial learning and memory, accompanied by anxiety-like behavior. Tau was hyperphosphorylated at AT8, S396, S214 and T181 in the brain. Aβ-like deposition was also found in the hippocampus for the high dose group. D-Glucose-gavaged mice did not show significant memory loss and anxiety-like behavior under the same experimental conditions. These results demonstrate that a long-term oral administration of D-Ribose not only induces memory loss with anxiety-like behavior, but also elevates Aβ-like deposition and Tau hyperphosphorylation, presenting D-Ribose-gavaged mouse as a model for age-related cognitive impairment and diabetic encephalopathy.
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Affiliation(s)
- Beibei Wu
- State Key Laboratory of Brain and Cognitive Sciences, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Yan Wei
- State Key Laboratory of Brain and Cognitive Sciences, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China
| | - Yujing Wang
- State Key Laboratory of Brain and Cognitive Sciences, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Tao Su
- State Key Laboratory of Brain and Cognitive Sciences, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China
| | - Lei Zhou
- Animal Experiment Center, Core Facility for Protein Research, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China
| | - Ying Liu
- State Key Laboratory of Brain and Cognitive Sciences, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China
| | - Rongqiao He
- State Key Laboratory of Brain and Cognitive Sciences, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China.,Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China.,Alzheimer's Disease Center, Beijing Institute for Brain Disorders, Capital Medical University, Beijing, China
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35
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Huang YT, Liao HF, Wang SL, Lin SY. Glycation and secondary conformational changes of human serum albumin: study of the FTIR spectroscopic curve-fitting technique. AIMS BIOPHYSICS 2016. [DOI: 10.3934/biophy.2016.2.247] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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36
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Dinda AK, Tripathy DR, Dasgupta S. Glycation of Ribonuclease A affects its enzymatic activity and DNA binding ability. Biochimie 2015; 118:162-72. [DOI: 10.1016/j.biochi.2015.09.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Accepted: 09/08/2015] [Indexed: 11/30/2022]
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37
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Iannuzzi C, Borriello M, Carafa V, Altucci L, Vitiello M, Balestrieri ML, Ricci G, Irace G, Sirangelo I. D-ribose-glycation of insulin prevents amyloid aggregation and produces cytotoxic adducts. Biochim Biophys Acta Mol Basis Dis 2015; 1862:93-104. [PMID: 26519138 DOI: 10.1016/j.bbadis.2015.10.021] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2015] [Revised: 10/09/2015] [Accepted: 10/17/2015] [Indexed: 12/25/2022]
Affiliation(s)
- Clara Iannuzzi
- Department of Biochemistry, Biophysics and General Pathology, Second University of Naples, Naples, Italy
| | - Margherita Borriello
- Department of Biochemistry, Biophysics and General Pathology, Second University of Naples, Naples, Italy
| | - Vincenzo Carafa
- Department of Biochemistry, Biophysics and General Pathology, Second University of Naples, Naples, Italy
| | - Lucia Altucci
- Department of Biochemistry, Biophysics and General Pathology, Second University of Naples, Naples, Italy; Institute of Genetics and Biophysics Adriano Buzzati-Traverso, IGB-CNR, Naples, Italy
| | - Milena Vitiello
- Department of Biochemistry, Biophysics and General Pathology, Second University of Naples, Naples, Italy
| | - Maria Luisa Balestrieri
- Department of Biochemistry, Biophysics and General Pathology, Second University of Naples, Naples, Italy
| | - Giulia Ricci
- Department of Experimental Medicine, Second University of Naples, Naples, Italy
| | - Gaetano Irace
- Department of Biochemistry, Biophysics and General Pathology, Second University of Naples, Naples, Italy
| | - Ivana Sirangelo
- Department of Biochemistry, Biophysics and General Pathology, Second University of Naples, Naples, Italy.
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38
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Wei Y, Han C, Wang Y, Wu B, Su T, Liu Y, He R. Ribosylation triggering Alzheimer's disease-like Tau hyperphosphorylation via activation of CaMKII. Aging Cell 2015; 14:754-63. [PMID: 26095350 PMCID: PMC4568963 DOI: 10.1111/acel.12355] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/05/2015] [Indexed: 12/22/2022] Open
Abstract
Type 2 diabetes mellitus (T2DM) is regarded as one of the serious risk factors for age-related cognitive impairment; however, a causal link between these two diseases has so far not been established. It was recently discovered that, apart from high D-glucose levels, T2DM patients also display abnormally high concentrations of uric D-ribose. Here, we show for the first time that the administration of D-ribose, the most active glycator among monosaccharides, produces high levels of advanced glycation end products (AGEs) and, importantly, triggers hyperphosphorylation of Tau in the brain of C57BL/6 mouse and neuroblastoma N2a cells. However, the administration of D-glucose showed no significant changes in Tau phosphorylation under the same experimental conditions. Crucially, suppression of AGE formation using an AGEs inhibitor (aminoguanidine) effectively prevents hyperphosphorylation of Tau protein. Further study shows AGEs resulted from ribosylation activate calcium-/calmodulin-dependent protein kinase type II (CaMKII), a key kinase responsible for Tau hyperphosphorylation. These data suggest that there is indeed a mechanistic link between ribosylation and Tau hyperphosphorylation. Targeting ribosylation by inhibiting AGE formation may be a promising therapeutic strategy to prevent Alzheimer’s disease-like Tau hyperphosphorylation and diabetic encephalopathies.
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Affiliation(s)
- Yan Wei
- State Key Laboratory of Brain and Cognitive Science Institute of Biophysics Chinese Academy of Sciences Beijing 100101China
| | - Chanshuai Han
- State Key Laboratory of Brain and Cognitive Science Institute of Biophysics Chinese Academy of Sciences Beijing 100101China
| | - Yujing Wang
- State Key Laboratory of Brain and Cognitive Science Institute of Biophysics Chinese Academy of Sciences Beijing 100101China
- University of Chinese Academy of Sciences Beijing 100049China
| | - Beibei Wu
- State Key Laboratory of Brain and Cognitive Science Institute of Biophysics Chinese Academy of Sciences Beijing 100101China
- University of Chinese Academy of Sciences Beijing 100049China
| | - Tao Su
- State Key Laboratory of Brain and Cognitive Science Institute of Biophysics Chinese Academy of Sciences Beijing 100101China
| | - Ying Liu
- State Key Laboratory of Brain and Cognitive Science Institute of Biophysics Chinese Academy of Sciences Beijing 100101China
- Alzheimer's Disease Center Beijing Institute for Brain Disorders Capital Medical University Beijing China
| | - Rongqiao He
- State Key Laboratory of Brain and Cognitive Science Institute of Biophysics Chinese Academy of Sciences Beijing 100101China
- Key Laboratory of Mental Health Institute of Psychology Chinese Academy of Sciences Beijing 100101China
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39
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Sinatra ST, Caiazzo C. d-Ribose Supplementation in the Equine: Lack of Effect on Glycated Plasma Proteins Suggesting Safety in Humans. J Am Coll Nutr 2015; 34:108-12. [DOI: 10.1080/07315724.2015.1022459] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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40
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Sroga GE, Siddula A, Vashishth D. Glycation of human cortical and cancellous bone captures differences in the formation of Maillard reaction products between glucose and ribose. PLoS One 2015; 10:e0117240. [PMID: 25679213 PMCID: PMC4334514 DOI: 10.1371/journal.pone.0117240] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2014] [Accepted: 12/22/2014] [Indexed: 01/22/2023] Open
Abstract
To better understand some aspects of bone matrix glycation, we used an in vitro glycation approach. Within two weeks, our glycation procedures led to the formation of advanced glycation end products (AGEs) at the levels that corresponded to approx. 25-30 years of the natural in vivo glycation. Cortical and cancellous bones from human tibias were glycated in vitro using either glucose (glucosylation) or ribose (ribosylation). Both glucosylation and ribosylation led to the formation of higher levels of AGEs and pentosidine (PEN) in cancellous than cortical bone dissected from all tested donors (young, middle-age and elderly men and women). More efficient glycation of bone matrix proteins in cancellous bone most likely depended on the higher porosity of this tissue, which facilitated better accessibility of the sugars to the matrix proteins. Notably, glycation of cortical bone from older donors led to much higher AGEs levels as compared to young donors. Such efficient in vitro glycation of older cortical bone could result from aging-related increase in porosity caused by the loss of mineral content. In addition, more pronounced glycation in vivo would be driven by elevated oxidation processes. Interestingly, the levels of PEN formation differed pronouncedly between glucosylation and ribosylation. Ribosylation generated very high levels of PEN (approx. 6- vs. 2.5-fold higher PEN level than in glucosylated samples). Kinetic studies of AGEs and PEN formation in human cortical and cancellous bone matrix confirmed higher accumulation of fluorescent crosslinks for ribosylation. Our results suggest that in vitro glycation of bone using glucose leads to the formation of lower levels of AGEs including PEN, whereas ribosylation appears to support a pathway toward PEN formation. Our studies may help to understand differences in the progression of bone pathologies related to protein glycation by different sugars, and raise awareness for excessive sugar supplementation in food and drinks.
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Affiliation(s)
- Grażyna E. Sroga
- Department of Biomedical Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York, United States of America
| | - Alankrita Siddula
- Department of Biomedical Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York, United States of America
| | - Deepak Vashishth
- Department of Biomedical Engineering, Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, New York, United States of America
- * E-mail:
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41
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Sadowska-Bartosz I, Galiniak S, Skolimowski J, Stefaniuk I, Bartosz G. Nitroxides prevent protein glycoxidationin vitro. Free Radic Res 2014; 49:113-21. [DOI: 10.3109/10715762.2014.982113] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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42
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Sadowska-Bartosz I, Galiniak S, Bartosz G. Kinetics of glycoxidation of bovine serum albumin by glucose, fructose and ribose and its prevention by food components. Molecules 2014; 19:18828-49. [PMID: 25407721 PMCID: PMC6270817 DOI: 10.3390/molecules191118828] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2014] [Revised: 11/09/2014] [Accepted: 11/12/2014] [Indexed: 12/12/2022] Open
Abstract
The aim of this study was to compare the kinetics of the glycoxidation of bovine serum albumin (BSA) as a model protein by three sugars: glucose, fructose and ribose, using fluorometric measurements of the content of advanced glycation end products (AGEs), protein-bound fructosamine, dityrosine, N'-formylkynurenine, kynurenine, tryptophan, the content of advanced oxidation protein products (AOPP), protein carbonyl groups, as well as thiol groups. Moreover, the levels of glycoalbumin and AGEs were determined by using an enzyme-linked immunosorbent assay. Based on the kinetic results, the optimal incubation time for studies of the modification of the glycoxidation rate by additives was chosen, and the effects of 25 compounds of natural origin on the glycoxidation of BSA induced by various sugars were examined. The same compounds were found to have different effects on glycoxidation induced by various sugars, which suggests caution in extrapolation from experiments based on one sugar to other sugars. From among the compounds tested, the most effective inhibitors of glycoxidation were: polyphenols, pyridoxine and 1-cyano-4-hydroxycinnamic acid.
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Affiliation(s)
- Izabela Sadowska-Bartosz
- Department of Biochemistry and Cell Biology, University of Rzeszów, Zelwerowicza 4, 35-601 Rzeszów, Poland.
| | - Sabina Galiniak
- Department of Biochemistry and Cell Biology, University of Rzeszów, Zelwerowicza 4, 35-601 Rzeszów, Poland
| | - Grzegorz Bartosz
- Department of Biochemistry and Cell Biology, University of Rzeszów, Zelwerowicza 4, 35-601 Rzeszów, Poland
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43
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D-ribosylation induces cognitive impairment through RAGE-dependent astrocytic inflammation. Cell Death Dis 2014; 5:e1117. [PMID: 24625976 PMCID: PMC3973213 DOI: 10.1038/cddis.2014.89] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Revised: 01/15/2014] [Accepted: 01/27/2014] [Indexed: 01/04/2023]
Abstract
Non-enzymatic glycation of proteins by reducing saccharides for instance D-glucose is an important post-translational modification regulating protein function. Already two centuries ago, D-glucose (Glc) was identified in the urine of diabetic patients. Recently, abnormally high level of D-ribose (Rib) in the urine of type 2 diabetics has been discovered, which is highly active in protein glycation, resulting in the production of advanced glycation end products (AGEs). Accumulation of AGEs leads to altered cellular function, for example AGE accumulation in the nervous system impairs cognitive ability, yet the mechanisms mediating this process for Rib are unknown. Here we found that treatment with Rib accelerated AGE formation in U251 and U87MG astrocytoma cells and in mouse brain, inducing upregulation of receptor for AGEs (RAGE). Astrocytoma cells with elevated levels of RAGE displayed enhanced activity of the proinflammatory nuclear transcription factor kappaB and increased expression of tumor necrosis factor alpha and glial fibrillary acidic protein. Moreover, injection of Rib induced astrocyte activation in mouse hippocampus and impaired spatial learning and memory abilities. These results indicate that mouse spatial cognitive impairment caused by Rib-derived AGEs is correlated with activation of an astrocyte-mediated, RAGE-dependent inflammatory response. This study may provide insights into the mechanism of Rib-involved cognitive impairments and diabetic encephalopathy.
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44
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Su T, He R. D-ribose, an overlooked player in type 2 diabetes mellitus? SCIENCE CHINA-LIFE SCIENCES 2014; 57:361. [DOI: 10.1007/s11427-014-4614-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2013] [Accepted: 01/07/2014] [Indexed: 11/30/2022]
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45
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Tsakiri EN, Iliaki KK, Höhn A, Grimm S, Papassideri IS, Grune T, Trougakos IP. Diet-derived advanced glycation end products or lipofuscin disrupts proteostasis and reduces life span in Drosophila melanogaster. Free Radic Biol Med 2013; 65:1155-1163. [PMID: 23999505 DOI: 10.1016/j.freeradbiomed.2013.08.186] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2013] [Revised: 08/01/2013] [Accepted: 08/23/2013] [Indexed: 01/05/2023]
Abstract
Advanced glycation end product (AGE)-modified proteins are formed by the nonenzymatic glycation of free amino groups of proteins and, along with lipofuscin (a highly oxidized aggregate of covalently cross-linked proteins, sugars, and lipids), have been found to accumulate during aging and in several age-related diseases. As the in vivo effects of diet-derived AGEs or lipofuscin remain elusive, we sought to study the impact of oral administration of glucose-, fructose-, or ribose-modified albumin or of artificial lipofuscin in a genetically tractable model organism. We report herein that continuous feeding of young Drosophila flies with culture medium enriched in AGEs or in lipofuscin resulted in reduced locomotor performance and in accelerated rates of AGE-modified proteins and carbonylated proteins accumulation in the somatic tissues and hemolymph of flies, as well as in a significant reduction of flies health span and life span. These phenotypic effects were accompanied by reduced proteasome peptidase activities in both the hemolymph and the somatic tissues of flies and higher levels of oxidative stress; furthermore, oral administration of AGEs or lipofuscin in flies triggered an upregulation of the lysosomal cathepsin B, L activities. Finally, RNAi-mediated cathepsin D knockdown reduced flies longevity and significantly augmented the deleterious effects of AGEs and lipofuscin, indicating that lysosomal cathepsins reduce the toxicity of diet-derived AGEs or lipofuscin. Our in vivo studies demonstrate that chronic ingestion of AGEs or lipofuscin disrupts proteostasis and accelerates the functional decline that occurs with normal aging.
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Affiliation(s)
- Eleni N Tsakiri
- Department of Cell Biology and Biophysics, Faculty of Biology, University of Athens, Athens 15784, Greece
| | - Kalliopi K Iliaki
- Department of Cell Biology and Biophysics, Faculty of Biology, University of Athens, Athens 15784, Greece
| | - Annika Höhn
- Institute of Nutrition, Department of Nutritional Toxicology, Friedrich Schiller University Jena, 07743 Jena, Germany
| | - Stefanie Grimm
- Institute of Nutrition, Department of Nutritional Toxicology, Friedrich Schiller University Jena, 07743 Jena, Germany
| | - Issidora S Papassideri
- Department of Cell Biology and Biophysics, Faculty of Biology, University of Athens, Athens 15784, Greece
| | - Tilman Grune
- Institute of Nutrition, Department of Nutritional Toxicology, Friedrich Schiller University Jena, 07743 Jena, Germany.
| | - Ioannis P Trougakos
- Department of Cell Biology and Biophysics, Faculty of Biology, University of Athens, Athens 15784, Greece.
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46
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Khan MS, Dwivedi S, Priyadarshini M, Tabrez S, Siddiqui MA, Jagirdar H, Al-Senaidy AM, Al-Khedhairy AA, Musarrat J. Ribosylation of bovine serum albumin induces ROS accumulation and cell death in cancer line (MCF-7). EUROPEAN BIOPHYSICS JOURNAL: EBJ 2013; 42:811-8. [PMID: 24218080 DOI: 10.1007/s00249-013-0929-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2013] [Revised: 07/30/2013] [Accepted: 09/10/2013] [Indexed: 01/13/2023]
Abstract
Formation of advanced glycation end products (AGE) is crucially involved in the several pathophysiologies associated with ageing and diabetes, for example arthritis, atherosclerosis, chronic renal insufficiency, Alzheimer's disease, nephropathy, neuropathy, and cataracts. Because of devastating effects of AGE and the significance of bovine serum albumin (BSA) as a transport protein, this study was designed to investigate glycation-induced structural modifications in BSA and their functional consequences in breast cancer cell line (MCF-7). We incubated D-ribose with BSA and monitored formation of D-ribose-glycated BSA by observing changes in the intensity of fluorescence at 410 nm. NBT (nitro blue tetrazolium) assay was performed to confirm formation of keto-amine during glycation. Absorbance at 540 nm (fructosamine) increased markedly with time. Furthermore, intrinsic protein and 8-anilino-1-naphthalenesulfonate (ANS) fluorescence revealed marked conformational changes in BSA upon ribosylation. In addition, a fluorescence assay with thioflavin T (ThT) revealed a remarkable increase in fluorescence at 485 nm in the presence of glycated BSA. This suggests that glycation with D-ribose induced aggregation of BSA into amyloid-like deposits. Circular dichroism (CD) study of native and ribosylated BSA revealed molten globule formation in the glycation pathway of BSA. Functional consequences of ribosylated BSA on cancer cell line, MCF-7 was studied by MTT assay and ROS estimation. The results revealed cytotoxicity of ribosylated BSA on MCF-7 cells.
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Affiliation(s)
- Mohd Shahnawaz Khan
- Department of Biochemistry, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia,
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47
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Ghosh S, Pandey NK, Singha Roy A, Tripathy DR, Dinda AK, Dasgupta S. Prolonged glycation of hen egg white lysozyme generates non amyloidal structures. PLoS One 2013; 8:e74336. [PMID: 24066139 PMCID: PMC3774808 DOI: 10.1371/journal.pone.0074336] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2013] [Accepted: 08/02/2013] [Indexed: 11/18/2022] Open
Abstract
Glycation causes severe damage to protein structure that could lead to amyloid formation in special cases. Here in this report, we have shown for the first time that hen egg white lysozyme (HEWL) does not undergo amyloid formation even after prolonged glycation in the presence of D-glucose, D-fructose and D-ribose. Cross-linked oligomers were formed in all the cases and ribose was found to be the most potent among the three sugars. Ribose mediated oligomers, however, exhibit Thioflavin T binding properties although microscopic images clearly show amorphous and globular morphology of the aggregates. Our study demonstrates that the structural damage of hen egg white lysozyme due to glycation generates unstructured aggregates.
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Affiliation(s)
- Sudeshna Ghosh
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, India
| | - Nitin Kumar Pandey
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, India
| | - Atanu Singha Roy
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, India
| | - Debi Ranjan Tripathy
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, India
| | - Amit Kumar Dinda
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, India
| | - Swagata Dasgupta
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, India
- * E-mail:
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48
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Abbott RD, Koptiuch C, Iatridis JC, Howe AK, Badger GJ, Langevin HM. Stress and matrix-responsive cytoskeletal remodeling in fibroblasts. J Cell Physiol 2012; 228:50-7. [PMID: 22552950 DOI: 10.1002/jcp.24102] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
In areolar "loose" connective tissue, fibroblasts remodel their cytoskeleton within minutes in response to static stretch resulting in increased cell body cross-sectional area that relaxes the tissue to a lower state of resting tension. It remains unknown whether the loosely arranged collagen matrix, characteristic of areolar connective tissue, is required for this cytoskeletal response to occur. The purpose of this study was to evaluate cytoskeletal remodeling of fibroblasts in, and dissociated from, areolar and dense connective tissue in response to 2 h of static stretch in both native tissue and collagen gels of varying crosslinking. Rheometric testing indicated that the areolar connective tissue had a lower dynamic modulus and was more viscous than the dense connective tissue. In response to stretch, cells within the more compliant areolar connective tissue adopted a large "sheet-like" morphology that was in contrast to the smaller dendritic morphology in the dense connective tissue. By adjusting the in vitro collagen crosslinking, and the resulting dynamic modulus, it was demonstrated that cells dissociated from dense connective tissue are capable of responding when seeded into a compliant matrix, while cells dissociated from areolar connective tissue can lose their ability to respond when their matrix becomes stiffer. This set of experiments indicated stretch-induced fibroblast expansion was dependent on the distinct matrix material properties of areolar connective tissues as opposed to the cells' tissue of origin. These results also suggest that disease and pathological processes with increased crosslinks, such as diabetes and fibrosis, could impair fibroblast responsiveness in connective tissues.
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Affiliation(s)
- Rosalyn D Abbott
- School of Engineering, University of Vermont, Burlington, Vermont, USA
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49
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Wei Y, Han CS, Zhou J, Liu Y, Chen L, He RQ. d-ribose in glycation and protein aggregation. Biochim Biophys Acta Gen Subj 2012; 1820:488-94. [DOI: 10.1016/j.bbagen.2012.01.005] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2011] [Revised: 01/05/2012] [Accepted: 01/09/2012] [Indexed: 12/23/2022]
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