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Ahmad R, Warsi MS, Abidi M, Habib S, Siddiqui S, Khan H, Nabi F, Moinuddin. Structural perturbations induced by cumulative action of methylglyoxal and peroxynitrite on human fibrinogen: An in vitro and in silico approach. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 307:123500. [PMID: 37989033 DOI: 10.1016/j.saa.2023.123500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 09/21/2023] [Accepted: 10/06/2023] [Indexed: 11/23/2023]
Abstract
Methylglyoxal (MGO); a reducing sugar and a dicarbonyl; attaches to the biomolecules (proteins, lipids, and DNA) leading to glycation and accumulation of oxidative stress in cells and tissues. Superoxide anion formed under such conditions entraps free nitric oxide radical (NO) to form peroxynitrite (PON). Nitro-oxidative stress due to PON is well established. Human fibrinogen plays a key role in haemostasis and is a highly vulnerable target for oxidation. Modifications of fibrinogen can potentially disrupt its structure and function. Earlier evidence suggested that glycation and nitro-oxidation lead to protein aggregation by making it resistant to lysis. This study aims to reveal the structural perturbations on fibrinogen in the presence of MGO and PON synergistically. The in vitro glyco-nitro-oxidation of human fibrinogen by MGO and PON leads to substantial structural alterations, as evident by biophysical and biochemical studies. In-silico results revealed the formation of stable complexes. UV-visible, intrinsic fluorescence, and circular dichroism investigations confirmed the synergistic effect of MGO and PON caused micro-structural modifications leading to secondary structural alterations. AGEs formation in MGO-modified fibrinogen reduced the free lysine and free arginine residues which were quantified by TNBS and phenanthrenequinone assays. Enhanced oxidative status was confirmed by estimating carbonyl content. ANS fluorophore validated exposure of hydrophobic patches in modified protein and thioflavin-T showed maximum binding with synergistically modified fibrinogen, indicated the formation of β-sheet. Confocal and electron microscope results corroborated the formation of aggregates. This study, therefore, evaluated the impact of MGO and PON on the structural integrity, oxidative status and aggregate formation of fibrinogen that can aggravate metabolic complications.
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Affiliation(s)
- Rizwan Ahmad
- Department of Biochemistry, Jawaharlal Nehru Medical College, Faculty of Medicine, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
| | - Mohd Sharib Warsi
- Department of Biochemistry, Jawaharlal Nehru Medical College, Faculty of Medicine, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
| | - Minhal Abidi
- Department of Biochemistry, Jawaharlal Nehru Medical College, Faculty of Medicine, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
| | - Safia Habib
- Department of Biochemistry, Jawaharlal Nehru Medical College, Faculty of Medicine, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
| | - Sana Siddiqui
- Department of Biochemistry, Jawaharlal Nehru Medical College, Faculty of Medicine, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
| | - Hamda Khan
- Department of Biochemistry, Jawaharlal Nehru Medical College, Faculty of Medicine, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
| | - Faisal Nabi
- Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh 202002, India
| | - Moinuddin
- Department of Biochemistry, Jawaharlal Nehru Medical College, Faculty of Medicine, Aligarh Muslim University, Aligarh, Uttar Pradesh, India
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Wang Y, Sargisson O, Nguyen DT, Parker K, Pyke SJR, Alramahi A, Thihlum L, Fang Y, Wallace ME, Berzins SP, Oqueli E, Magliano DJ, Golledge J. Effect of Hydralazine on Angiotensin II-Induced Abdominal Aortic Aneurysm in Apolipoprotein E-Deficient Mice. Int J Mol Sci 2023; 24:15955. [PMID: 37958938 PMCID: PMC10650676 DOI: 10.3390/ijms242115955] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 10/31/2023] [Accepted: 11/01/2023] [Indexed: 11/15/2023] Open
Abstract
The rupture of an abdominal aortic aneurysm (AAA) causes about 200,000 deaths worldwide each year. However, there are currently no effective drug therapies to prevent AAA formation or, when present, to decrease progression and rupture, highlighting an urgent need for more research in this field. Increased vascular inflammation and enhanced apoptosis of vascular smooth muscle cells (VSMCs) are implicated in AAA formation. Here, we investigated whether hydralazine, which has anti-inflammatory and anti-apoptotic properties, inhibited AAA formation and pathological hallmarks. In cultured VSMCs, hydralazine (100 μM) inhibited the increase in inflammatory gene expression and apoptosis induced by acrolein and hydrogen peroxide, two oxidants that may play a role in AAA pathogenesis. The anti-apoptotic effect of hydralazine was associated with a decrease in caspase 8 gene expression. In a mouse model of AAA induced by subcutaneous angiotensin II infusion (1 µg/kg body weight/min) for 28 days in apolipoprotein E-deficient mice, hydralazine treatment (24 mg/kg/day) significantly decreased AAA incidence from 80% to 20% and suprarenal aortic diameter by 32% from 2.26 mm to 1.53 mm. Hydralazine treatment also significantly increased the survival rate from 60% to 100%. In conclusion, hydralazine inhibited AAA formation and rupture in a mouse model, which was associated with its anti-inflammatory and anti-apoptotic properties.
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Affiliation(s)
- Yutang Wang
- Discipline of Life Science, Institute of Innovation, Science and Sustainability, Federation University Australia, Ballarat, VIC 3353, Australia; (O.S.); (D.T.N.); (M.E.W.); (S.P.B.)
| | - Owen Sargisson
- Discipline of Life Science, Institute of Innovation, Science and Sustainability, Federation University Australia, Ballarat, VIC 3353, Australia; (O.S.); (D.T.N.); (M.E.W.); (S.P.B.)
| | - Dinh Tam Nguyen
- Discipline of Life Science, Institute of Innovation, Science and Sustainability, Federation University Australia, Ballarat, VIC 3353, Australia; (O.S.); (D.T.N.); (M.E.W.); (S.P.B.)
| | - Ketura Parker
- Discipline of Life Science, Institute of Innovation, Science and Sustainability, Federation University Australia, Ballarat, VIC 3353, Australia; (O.S.); (D.T.N.); (M.E.W.); (S.P.B.)
| | - Stephan J. R. Pyke
- Discipline of Life Science, Institute of Innovation, Science and Sustainability, Federation University Australia, Ballarat, VIC 3353, Australia; (O.S.); (D.T.N.); (M.E.W.); (S.P.B.)
| | - Ahmed Alramahi
- Discipline of Life Science, Institute of Innovation, Science and Sustainability, Federation University Australia, Ballarat, VIC 3353, Australia; (O.S.); (D.T.N.); (M.E.W.); (S.P.B.)
| | - Liam Thihlum
- Discipline of Life Science, Institute of Innovation, Science and Sustainability, Federation University Australia, Ballarat, VIC 3353, Australia; (O.S.); (D.T.N.); (M.E.W.); (S.P.B.)
| | - Yan Fang
- Discipline of Life Science, Institute of Innovation, Science and Sustainability, Federation University Australia, Ballarat, VIC 3353, Australia; (O.S.); (D.T.N.); (M.E.W.); (S.P.B.)
| | - Morgan E. Wallace
- Discipline of Life Science, Institute of Innovation, Science and Sustainability, Federation University Australia, Ballarat, VIC 3353, Australia; (O.S.); (D.T.N.); (M.E.W.); (S.P.B.)
| | - Stuart P. Berzins
- Discipline of Life Science, Institute of Innovation, Science and Sustainability, Federation University Australia, Ballarat, VIC 3353, Australia; (O.S.); (D.T.N.); (M.E.W.); (S.P.B.)
| | - Ernesto Oqueli
- Cardiology Department, Grampians Health Ballarat, Ballarat, VIC 3350, Australia;
- School of Medicine, Faculty of Health, Deakin University, Geelong, VIC 3220, Australia
| | - Dianna J. Magliano
- Diabetes and Population Health, Baker Heart and Diabetes Institute, Melbourne, VIC 3004, Australia
| | - Jonathan Golledge
- Queensland Research Centre for Peripheral Vascular Disease, College of Medicine and Dentistry, James Cook University, Townsville, QLD 4811, Australia;
- Department of Vascular and Endovascular Surgery, The Townsville University Hospital, Townsville, QLD 4811, Australia
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Jin YB, Liang XC, Cai JH, Wang K, Wang CY, Wang WH, Chen XL, Bao S. Mechanism of action of icaritin on uterine corpus endometrial carcinoma based on network pharmacology and experimental evaluation. Front Oncol 2023; 13:1205604. [PMID: 37538114 PMCID: PMC10394632 DOI: 10.3389/fonc.2023.1205604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 06/28/2023] [Indexed: 08/05/2023] Open
Abstract
Background Uterine corpus endometrial carcinoma (UCEC) belongs to a group of epithelial malignant tumors. Icaritin is the main active compound of Epimedii Folium. Icaritin has been utilized to induce UCEC cells to death. Methods We wished to identify potential targets for icaritin in the treatment of UCEC, as well as to provide a groundwork for future studies into its pharmacologic mechanism of action. Network pharmacology was employed to conduct investigations on icaritin. Target proteins were chosen from the components of icaritin for UCEC treatment. A protein-protein interaction (PPI) network was established using overlapping genes. Analyses of enrichment of function and signaling pathways were undertaken using the Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) databases, respectively, to select "hub genes". Finally, experiments were carried out to ascertain the effect of icaritin on endometrial cancer (HEC-1-A) cells. Results We demonstrated that icaritin has bioactive components and putative targets that are therapeutically important. Icaritin treatment induced sustained activation of the phosphoinositide 3-kinase/protein kinase B (PI3K/Akt pathway) and inhibited growth of HEC-1-A cells. Conclusion Our data provide a rationale for preclinical and clinical evaluations of icaritin for UCEC therapy.
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Affiliation(s)
- Yan-Bin Jin
- Department of Gynecology and Obstetrics, Hainan Affiliated Hospital of Hainan Medical University, Hainan General Hospital, Haikou, Hainan, China
- Key Laboratory of Reproductive Health Diseases Research and Translation (Hainan Medical University), Ministry of Education, Haikou, Hainan, China
- Hainan Provincial Key Laboratory for Human Reproductive Medicine and Genetic Research, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan, China
- Medical Laboratory Center, Hainan Affiliated Hospital of Hainan Medical University, Hainan General Hospital, Haikou, Hainan, China
| | - Xiao-Chen Liang
- Department of Gynecology and Obstetrics, Hainan Affiliated Hospital of Hainan Medical University, Hainan General Hospital, Haikou, Hainan, China
- Key Laboratory of Reproductive Health Diseases Research and Translation (Hainan Medical University), Ministry of Education, Haikou, Hainan, China
- Hainan Provincial Key Laboratory for Human Reproductive Medicine and Genetic Research, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan, China
- Medical Laboratory Center, Hainan Affiliated Hospital of Hainan Medical University, Hainan General Hospital, Haikou, Hainan, China
| | - Jun-Hong Cai
- Medical Laboratory Center, Hainan Affiliated Hospital of Hainan Medical University, Hainan General Hospital, Haikou, Hainan, China
| | - Kang Wang
- Department of Gynecology and Obstetrics, Hainan Affiliated Hospital of Hainan Medical University, Hainan General Hospital, Haikou, Hainan, China
| | - Chen-Yang Wang
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Wen-Hua Wang
- Department of Obstetrics and Gynecology, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Xiu-Li Chen
- Department of Gynecology and Obstetrics, Hainan Affiliated Hospital of Hainan Medical University, Hainan General Hospital, Haikou, Hainan, China
- Key Laboratory of Reproductive Health Diseases Research and Translation (Hainan Medical University), Ministry of Education, Haikou, Hainan, China
- Hainan Provincial Key Laboratory for Human Reproductive Medicine and Genetic Research, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan, China
- Medical Laboratory Center, Hainan Affiliated Hospital of Hainan Medical University, Hainan General Hospital, Haikou, Hainan, China
| | - Shan Bao
- Department of Gynecology and Obstetrics, Hainan Affiliated Hospital of Hainan Medical University, Hainan General Hospital, Haikou, Hainan, China
- Key Laboratory of Reproductive Health Diseases Research and Translation (Hainan Medical University), Ministry of Education, Haikou, Hainan, China
- Hainan Provincial Key Laboratory for Human Reproductive Medicine and Genetic Research, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan, China
- Medical Laboratory Center, Hainan Affiliated Hospital of Hainan Medical University, Hainan General Hospital, Haikou, Hainan, China
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Chang TT, Chen JW. Potential Impacts of Hydralazine as a Novel Antioxidant on Cardiovascular and Renal Disease-Beyond Vasodilation and Blood Pressure Lowering. Antioxidants (Basel) 2022; 11:2224. [PMID: 36421409 PMCID: PMC9686999 DOI: 10.3390/antiox11112224] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 11/05/2022] [Accepted: 11/10/2022] [Indexed: 10/04/2023] Open
Abstract
Hydralazine is a traditional antihypertensive drug that was developed several decades ago. Its most well-known effect is blood pressure lowering by arterial vasodilation. While mainly used an adjunct treatment for clinical hypertension or chronic heart failure, this old drug has also shown potential as a repurposing drug for the atherosclerosis vascular disease and various kidney diseases. Recent experimental studies suggest that hydralazine exerts antioxidative, anti-apoptotic, and HIF-1α stabilization effects for angiogenesis and vascular protection. Hydralazine also exerts reno-protective effects via its antioxidation, DNA demethylation, and anti-inflammation abilities. The above evidence provides advanced rationales for new applications of this drug beyond blood pressure lowering and arterial vasodilation. Here, we summarized the recent experimental advances in the use of hydralazine for either a vascular disease or kidney diseases, or both. Given the wide populations of people with cardiovascular and/or kidney diseases, future studies are worth validating the potential impacts of hydralazine on the clinical outcomes in selected patients.
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Affiliation(s)
- Ting-Ting Chang
- Department and Institute of Pharmacology, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
| | - Jaw-Wen Chen
- Department and Institute of Pharmacology, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
- Healthcare and Services Center, Taipei Veterans General Hospital, Taipei 112201, Taiwan
- Division of Cardiology, Department of Medicine, Taipei Veterans General Hospital, Taipei 112201, Taiwan
- Cardiovascular Research Center, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
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Chang TT, Chiang CH, Chen C, Lin SC, Lee HJ, Chen JW. Antioxidation and Nrf2-mediated heme oxygenase-1 activation contribute to renal protective effects of hydralazine in diabetic nephropathy. Biomed Pharmacother 2022; 151:113139. [PMID: 35623171 DOI: 10.1016/j.biopha.2022.113139] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/08/2022] [Accepted: 05/15/2022] [Indexed: 12/15/2022] Open
Abstract
Reactive oxygen species (ROS) and oxidative stress are associated with the progression of diabetic nephropathy (DN). Hydralazine is an antihypertensive agent and may act as a xanthine oxidase (XO) inhibitor to reduce uric acid levels in a mouse renal injury model. This study aimed to investigate the potential mechanisms of hydralazine in experimental DN. Streptozotocin-induced diabetic mice were fed a high-fat diet to generate DN. Human renal proximal tubular epithelial cells were used in vitro. Nitrendipine and allopurinol which can reduce blood pressure or XO activity levels, were used as two positive controls. Hydralazine downregulated NF-κB/p38 signaling pathways and reduced TNF-α/IL-6 expressions in high glucose-stimulated renal proximal tubular epithelial cells. Hydralazine reduced in vitro ROS production via XO inhibition and nuclear factor erythroid 2-related factor 2 (Nrf2)-mediated heme oxygenase (HO)-1 activation. Furthermore, hydralazine reduced high glucose-induced apoptosis by downregulating PARP/caspase-3 signaling. Hydralazine and allopurinol but not nitrendipine reduced serum uric acid levels and systemic inflammation. Hydralazine and allopurinol treatment improved renal function with decreased urinary albumin-to-creatinine ratios, glomerular hypertrophy, glomerulosclerosis, and fibrosis in the kidney of DN mice. While both hydralazine and allopurinol downregulated XO and NADPH oxidase expression, only hydralazine upregulated Nrf2/HO-1 renal expression, suggesting the additional effects of hydralazine independent of XO/ NADPH oxidase inhibition. In conclusion, hydralazine protected renal proximal tubular epithelial cells against the insults of high glucose and prevented renal damage via XO/NADPH oxidase inhibition and Nrf-2/HO-1 activation, suggesting the comprehensive antioxidation and anti-inflammation mechanisms for the management of DN.
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Affiliation(s)
- Ting-Ting Chang
- Department and Institute of Pharmacology, National Yang Ming Chiao Tung University, Taipei, Taiwan; School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.
| | - Chih-Hung Chiang
- Department of Urology, National Taiwan University Hospital, Taipei, Taiwan; Department of Urology/Medical Research and Education, Taipei Veterans General Hospital, Yuan-Shan/Su-Ao Branch, Yi-Lan, Taiwan
| | - Ching Chen
- Department and Institute of Pharmacology, National Yang Ming Chiao Tung University, Taipei, Taiwan; School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Su-Chu Lin
- Department of Urology/Medical Research and Education, Taipei Veterans General Hospital, Yuan-Shan/Su-Ao Branch, Yi-Lan, Taiwan
| | - Hsin-Jou Lee
- Department and Institute of Pharmacology, National Yang Ming Chiao Tung University, Taipei, Taiwan; School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Jaw-Wen Chen
- Department and Institute of Pharmacology, National Yang Ming Chiao Tung University, Taipei, Taiwan; School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan; Healthcare and Services Center, Taipei Veterans General Hospital, Taipei, Taiwan; Division of Cardiology, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan; Cardiovascular Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan.
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Singh IR, Yesylevskyy SO, Mitra S. Dietary polyphenols inhibit plasma protein arabinosylation: Biomolecular interaction of genistein and ellagic acid with serum albumins. Biophys Chem 2021; 277:106651. [PMID: 34217110 DOI: 10.1016/j.bpc.2021.106651] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 06/22/2021] [Accepted: 06/22/2021] [Indexed: 01/08/2023]
Abstract
The mode of interaction of polyphenolic compounds like genistein (GTN) and ellagic acid (EGA) with human and bovine serum albumin (HSA and BSA, respectively) was found to differ significantly. Stern-Volmer (SV) analysis of the fluorescence quenching data revealed that the binding strength of EGA (1.9 ± 0.09 × 105 M-1) to HSA is about one order of magnitude higher than GTN (2.24 ± 0.06 × 104 M-1). While the static quenching of HSA fluorescence was found to proceed through simple Stern-Volmer (SV) mechanism, a quenching sphere-of-action model was indispensable for BSA. Temperature dependent fluorescence along with a series of other biophysical experiments and ensemble docking calculation revealed that EGA and GTN bind to the serum proteins primarily through the entropy driven process. The α-helical content and the microenvironment near Trp residue of HSA and BSA did not show any appreciable change due to the binding of either GTN or EGA. Interestingly, both GTN and EGA were found to inhibit the formation of advanced glycated end (AGE) product of serum proteins up to the extent of 70-90% within 12-24 h. Relatively moderate binding propensity along with the anti-glycation ability of the polyphenols confirmed that GTN and EGA can be used either as an alternative or towards development of suitable drugs in the prevention of many diabetic-related complications.
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Affiliation(s)
| | - Semen O Yesylevskyy
- Department of Physics of Biological Systems, Institute of Physics of the National Academy of Sciences of Ukraine, Prospect Nauky 46, 03028 Kyiv, Ukraine
| | - Sivaprasad Mitra
- Department of Chemistry, North-Eastern Hill University, Shillong 793 022, India.
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Zhou Q, Cheng KW, Xiao J, Wang M. The multifunctional roles of flavonoids against the formation of advanced glycation end products (AGEs) and AGEs-induced harmful effects. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2020.06.002] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Taunk K, Kalita B, Kale V, Chanukuppa V, Naiya T, Zingde SM, Rapole S. The development and clinical applications of proteomics: an Indian perspective. Expert Rev Proteomics 2020; 17:433-451. [PMID: 32576061 DOI: 10.1080/14789450.2020.1787157] [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: 10/24/2022]
Abstract
INTRODUCTION Proteomic research has been extensively used to identify potential biomarkers or targets for various diseases. Advances in mass spectrometry along with data analytics have led proteomics to become a powerful tool for exploring the critical molecular players associated with diseases, thereby, playing a significant role in the development of proteomic applications for the clinic. AREAS COVERED This review presents recent advances in the development and clinical applications of proteomics in India toward understanding various diseases including cancer, metabolic diseases, and reproductive diseases. Keywords combined with 'clinical proteomics in India' 'proteomic research in India' and 'mass spectrometry' were used to search PubMed. EXPERT OPINION The past decade has seen a significant increase in research in clinical proteomics in India. This approach has resulted in the development of proteomics-based marker technologies for disease management in the country. The majority of these investigations are still in the discovery phase and efforts have to be made to address the intended clinical use so that the identified potential biomarkers reach the clinic. To move toward this necessity, there is a pressing need to establish some key infrastructure requirements and meaningful collaborations between the clinicians and scientists which will enable more effective solutions to address health issues specific to India.
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Affiliation(s)
- Khushman Taunk
- Proteomics Lab, National Centre for Cell Science , Pune, Maharashtra, India.,Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, West Bengal , Haringhata, West Bengal, India
| | - Bhargab Kalita
- Proteomics Lab, National Centre for Cell Science , Pune, Maharashtra, India
| | - Vaikhari Kale
- Proteomics Lab, National Centre for Cell Science , Pune, Maharashtra, India
| | | | - Tufan Naiya
- Department of Biotechnology, Maulana Abul Kalam Azad University of Technology, West Bengal , Haringhata, West Bengal, India
| | - Surekha M Zingde
- CH3-53, Kendriya Vihar, Sector 11, Kharghar , Navi Mumbai, Maharashtra, India
| | - Srikanth Rapole
- Proteomics Lab, National Centre for Cell Science , Pune, Maharashtra, India
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Bampi SR, Casaril AM, Domingues M, de Andrade Lourenço D, Pesarico AP, Vieira B, Begnini KR, Seixas FK, Collares TV, Lenardão EJ, Savegnago L. Depression-like behavior, hyperglycemia, oxidative stress, and neuroinflammation presented in diabetic mice are reversed by the administration of 1-methyl-3-(phenylselanyl)-1H-indole. J Psychiatr Res 2020; 120:91-102. [PMID: 31654972 DOI: 10.1016/j.jpsychires.2019.10.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 09/24/2019] [Accepted: 10/03/2019] [Indexed: 02/08/2023]
Abstract
Oxidative stress and neuroinflammation are found both in diabetes mellitus and major depressive disorder (MDD). In addition to damage in peripheral organs, such as liver and kidney, diabetic patients have a higher risk of developing depression. In this sense, the objective of the present study was to characterize the antidepressant-like effect of a selenium-containing compound, the 1-methyl-3-(phenylselanyl)-1H-indole (MFSeI), in streptozotocin (STZ)-induced diabetic mice. STZ (200 mg/kg, i.p.) was used to induce diabetes mellitus type I, and after seven days, the administration of MFSeI (10 mg/kg, i.g.) was initiated and followed for the next 14 days. Twenty-four hours after the last administration of MFSeI, the behavioral tests were performed, followed by euthanasia. The treatment with MFSeI was able to reverse the hyperglycemia induced by STZ. MFSeI also decreased the plasma levels of biomarkers of liver and kidney damage. Importantly, MFSeI reversed the depression-like behavior induced by STZ in the tail suspension test and forced swimming test without promoting locomotor alterations. Furthermore, MFSeI reversed the increased levels of reactive species and lipid peroxidation in the prefrontal cortex (PFC), hippocampus (HC), liver, and kidney of STZ-treated mice. Treatment with MFSeI also decreased the expression of tumor necrosis factor-alpha, inducible nitric oxide synthase and indoleamine 2,3-dioxygenase, while increasing the expression of interleukin-10, insulin receptor substrate-1 and glucose transport-4 in the PFC and HC of mice. Taken together, the results indicate the effectiveness of MFSeI against depression-like behavior and central and peripheral complications caused by diabetes in mice.
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Affiliation(s)
- Suely Ribeiro Bampi
- Neurobiotechnology Research Group, Center of Biotechnology, Federal University of Pelotas, RS, Brazil
| | - Angela Maria Casaril
- Neurobiotechnology Research Group, Center of Biotechnology, Federal University of Pelotas, RS, Brazil
| | - Micaela Domingues
- Neurobiotechnology Research Group, Center of Biotechnology, Federal University of Pelotas, RS, Brazil
| | | | - Ana Paula Pesarico
- Neurobiotechnology Research Group, Center of Biotechnology, Federal University of Pelotas, RS, Brazil
| | - Beatriz Vieira
- Laboratory of Clean Organic Synthesis, Center of Chemical, Pharmaceutical and Food Sciences, Federal University of Pelotas, RS, Brazil
| | - Karine Rech Begnini
- Cellular and Molecular Oncology Research Group, Center of Biotechnology, Federal University of Pelotas, RS, Brazil
| | - Fabiana K Seixas
- Cellular and Molecular Oncology Research Group, Center of Biotechnology, Federal University of Pelotas, RS, Brazil
| | - Tiago Veiras Collares
- Cellular and Molecular Oncology Research Group, Center of Biotechnology, Federal University of Pelotas, RS, Brazil
| | - Eder João Lenardão
- Laboratory of Clean Organic Synthesis, Center of Chemical, Pharmaceutical and Food Sciences, Federal University of Pelotas, RS, Brazil
| | - Lucielli Savegnago
- Neurobiotechnology Research Group, Center of Biotechnology, Federal University of Pelotas, RS, Brazil.
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Hydralazine improves ischemia-induced neovasculogenesis via xanthine-oxidase inhibition in chronic renal insufficiency. Pharmacol Res 2019; 151:104509. [PMID: 31678640 DOI: 10.1016/j.phrs.2019.104509] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 09/13/2019] [Accepted: 10/21/2019] [Indexed: 01/10/2023]
Abstract
Oxidative stress is related to the progression of renal diseases and modulation of oxidative stress can lead to a reduction in vascular events in patients with chronic renal insufficiency (CRI). Indoxyl sulfate (IS) and xanthine oxidase (XO) are related to impaired neovasculogenesis in CRI. Hydralazine is suggested for blood pressure control in CRI. This study aimed to investigate whether hydralazine could improve ischemia-induced neovasculogenesis in CRI animals by reducing reactive oxygen species (ROS) levels. Mice underwent subtotal nephrectomy or sham surgery. Nitrendipine, probenecid, and allopurinol were used to reduce blood pressure, uric acid (UA), and XO activity levels, respectively, for comparison. Blood pressure, XO activity and UA levels that were increased after subtotal nephrectomy were reduced by hydralazine treatment. Allopurinol decreased blood XO activity and UA levels. Only hydralazine and allopurinol increased the number of circulating endothelial progenitor cells (EPCs) and improved neovasculogenesis in CRI mice. IS activated XO mRNA and ROS and inhibited the functions of EPCs and endothelial cells, which could be reversed by hydralazine. However, no additional beneficial effects were observed when XO was inhibited with both hydralazine and siRNA. In conclusion, hydralazine, as a potential XO inhibitor, not only reduced blood pressure and UA levels but also increased the number of circulating EPCs and improved neovasculogenesis in CRI animals. Hydralazine directly inhibited IS-induced ROS and XO activation in EPCs and endothelial cells, and restored their functions in vitro. Future studies should evaluate whether hydralazine could provide additional vascular protection in patients with CRI.
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11
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Hydralazine targets cAMP-dependent protein kinase leading to sirtuin1/5 activation and lifespan extension in C. elegans. Nat Commun 2019; 10:4905. [PMID: 31659167 PMCID: PMC6817882 DOI: 10.1038/s41467-019-12425-w] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 08/14/2019] [Indexed: 12/22/2022] Open
Abstract
Therapeutic activation of mitochondrial function has been suggested as an effective strategy to combat aging. Hydralazine is an FDA-approved drug used in the treatment of hypertension, heart failure and cancer. Hydralazine has been recently shown to promote lifespan in C. elegans, rotifer and yeast through a mechanism which has remained elusive. Here we report cAMP-dependent protein kinase (PKA) as the direct target of hydralazine. Using in vitro and in vivo models, we demonstrate a mechanism in which binding and stabilization of a catalytic subunit of PKA by hydralazine lead to improved mitochondrial function and metabolic homeostasis via the SIRT1/SIRT5 axis, which underlies hydralazine's prolongevity and stress resistance benefits. Hydralazine also protects mitochondrial metabolism and function resulting in restoration of health and lifespan in C. elegans under high glucose and other stress conditions. Our data also provide new insights into the mechanism(s) that explain various other known beneficial effects of hydralazine.
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12
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Glycation-induced modification of tissue-specific ECM proteins: A pathophysiological mechanism in degenerative diseases. Biochim Biophys Acta Gen Subj 2019; 1863:129411. [PMID: 31400438 DOI: 10.1016/j.bbagen.2019.08.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 07/29/2019] [Accepted: 08/05/2019] [Indexed: 12/19/2022]
Abstract
BACKGROUND Glycation driven generation of advanced glycation end products (AGEs) and their patho-physiological role in human degenerative diseases has remained one of the thrust areas in the mainstream of disease biology. Glycation of extracellular matrix (ECM) proteins have deleterious effect on the mechanical and functional properties of tissues. Owing to the adverse pathophysiological concerns of glycation, there is a need to decipher the underlying mechanisms. SCOPE OF REVIEW AGE-modified ECM proteins affect the cell in the vicinity by altering protein structure-function, matrix-matrix or matrix-cell interaction and by activating signalling pathway through receptor for AGE. This review is intended for addressing the AGE-induced modification of tissue-specific ECM proteins and its implication in the pathogenesis of various organ-specific human ailments. MAJOR CONCLUSIONS The glycation affects the canonical cell behaviour due to alteration in the interaction of glycated ECM with receptors like integrins and discodin domain, and the signalling cues generated subsequently affect the downstream signalling pathways. Consequently, the variation of structural and functional properties of tissues due to matrix glycation helps in the initiation or progression of the disease condition. GENERAL SIGNIFICANCE This review offers comprehensive knowledge about the remodelling of glycation induced ECM and tissue-specific pathological concerns. As glycation of ECM affects the normal tissues and cell behaviour, the scientific discourse may also provide cues for developing candidate drugs that may help in attenuating the adverse effects of AGEs and perhaps open a research window of tailoring novel strategies for the management of glycation induced human degenerative diseases.
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13
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He A, Fang W, Zhao K, Wang Y, Li J, Yang C, Benadjaoud F, Shi GP. Mast cell-deficiency protects mice from streptozotocin-induced diabetic cardiomyopathy. Transl Res 2019; 208:1-14. [PMID: 30738862 PMCID: PMC6527494 DOI: 10.1016/j.trsl.2019.01.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 12/20/2018] [Accepted: 01/17/2019] [Indexed: 01/01/2023]
Abstract
Mast cells (MCs) have been implicated in the pathogenesis of cardiometabolic diseases by releasing pro-inflammatory mediators. Patients and animals with diabetic cardiomyopathy (DCM) also show inflammatory cell accumulation in the heart. Here, we detected MCs in mouse heart after streptozotocin (STZ)-induced DCM. DCM production caused significant systole and diastole interventricular septum and left ventricular (LV) posterior wall thinning, and systolic LV internal dilation in wild-type (WT) mice. DCM production also led to significant reductions of fractional shortening percentage, heart rate, body weight, heart weight, and significant increases of kidney, pancreas, and lung weight to body weight ratios, and blood hemoglobin HbA1c and glucose levels in WT mice. All these changes were improved or disappeared in MC-deficient KitW-sh/W-sh mice. In the myocardium from WT DCM mice, we detected significant decrease of cardiac cell proliferation and increases of cardiac cell death, chemokine expression, macrophage infiltration, inflammatory cytokine expression, and collagen deposition. These changes were also improved or disappeared in KitW-sh/W-sh DCM mice. Adoptive transfer of bone marrow-derived MCs (BMMCs) from WT mice fully or partially reversed these cardiac functional and morphologic changes in KitW-sh/W-sh DCM recipient mice. Yet, adoptive transfer of BMMCs from Il6-/- and Tnf-/- mice failed to make these corrections or at much less extent than the WT BMMCs. Mechanistic studies demonstrated a role of MC and MC-derived IL6 and TNF-α in promoting cardiomyocyte death and cardiac fibroblast TGF-β signaling, and collagen synthesis and deposition. Therefore, MC inhibition may have therapeutic potential in attenuating DCM progression.
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Affiliation(s)
- Aina He
- Department of Oncology, Affiliated Sixth People's Hospital, Shanghai Jiaotong University, Shanghai, China; Cardiovascular Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Wenqian Fang
- Cardiovascular Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts; Key Laboratory of Bio-resources and Eco-environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, China
| | - Kun Zhao
- Cardiovascular Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Yajun Wang
- Key Laboratory of Bio-resources and Eco-environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, China
| | - Jie Li
- Cardiovascular Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Chongzhe Yang
- Cardiovascular Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Feriel Benadjaoud
- Cardiovascular Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Guo-Ping Shi
- Cardiovascular Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts.
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14
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Manzini S, Busnelli M, Parolini C, Minoli L, Ossoli A, Brambilla E, Simonelli S, Lekka E, Persidis A, Scanziani E, Chiesa G. Topiramate protects apoE-deficient mice from kidney damage without affecting plasma lipids. Pharmacol Res 2018; 141:189-200. [PMID: 30593851 DOI: 10.1016/j.phrs.2018.12.022] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 11/16/2018] [Accepted: 12/24/2018] [Indexed: 11/28/2022]
Abstract
Topiramate is an anticonvulsant drug also prescribed for migraine prophylaxis that acts through several mechanisms of action. Several studies indicate that topiramate induces weight loss and a moderate reduction of plasma lipids and glucose. Based on these favourable metabolic effects, aim of this study was to evaluate if topiramate could modulate atherosclerosis development and protect target organs of dysmetabolic conditions. Thirty apoE-deficient mice were divided into three groups and fed for 12 weeks a high fat diet (Control) or the same diet containing topiramate at 0.125% and 0.250%. Body weight, water and food intake were monitored throughout the study. Plasma lipids and glucose levels were measured and a glucose tolerance test was performed. Atherosclerosis development was evaluated in the whole aorta and at the aortic sinus. Histological analysis of liver, kidney and adipose tissue was performed. Topiramate did not affect weight gain and food intake. Glucose tolerance and plasma lipids were not changed and, in turn, atherosclerosis development was not different among groups. Topiramate did not modify liver and adipose tissue histology. Conversely, in the kidneys, the treatment reduced the occurrence of glomerular lipidosis by decreasing foam cells accumulation and reducing the expression of inflammatory markers. Blood urea nitrogen levels were also reduced by treatment. Our results indicate that topiramate does not affect atherosclerosis development, but preserves kidney structure and function. The study suggests that topiramate could be investigated in drug repurposing studies for the treatment of glomerular lipidosis.
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Affiliation(s)
- Stefano Manzini
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, via Balzaretti 9, 20133 Milano, Italy
| | - Marco Busnelli
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, via Balzaretti 9, 20133 Milano, Italy
| | - Cinzia Parolini
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, via Balzaretti 9, 20133 Milano, Italy
| | - Lucia Minoli
- Department of Veterinary Medicine, Università degli Studi di Milano, via Celoria 10, 20133 Milano, Italy; Mouse & Animal Pathology Laboratory (MAPLab), Fondazione UniMi, viale Ortles 22/4, 20139 Milano, Italy
| | - Alice Ossoli
- Center E. Grossi Paoletti, Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, via Balzaretti 9, 20133 Milano, Italy
| | - Elena Brambilla
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, via Balzaretti 9, 20133 Milano, Italy
| | - Sara Simonelli
- Center E. Grossi Paoletti, Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, via Balzaretti 9, 20133 Milano, Italy
| | - Eftychia Lekka
- Biovista, 34 Rodopoleos Street Ellinikon, Athens 16777, Greece
| | | | - Eugenio Scanziani
- Department of Veterinary Medicine, Università degli Studi di Milano, via Celoria 10, 20133 Milano, Italy; Mouse & Animal Pathology Laboratory (MAPLab), Fondazione UniMi, viale Ortles 22/4, 20139 Milano, Italy
| | - Giulia Chiesa
- Department of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, via Balzaretti 9, 20133 Milano, Italy.
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15
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Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: An update for 2013-2014. MASS SPECTROMETRY REVIEWS 2018; 37:353-491. [PMID: 29687922 DOI: 10.1002/mas.21530] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Accepted: 11/29/2016] [Indexed: 06/08/2023]
Abstract
This review is the eighth update of the original article published in 1999 on the application of Matrix-assisted laser desorption/ionization mass spectrometry (MALDI) mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2014. Topics covered in the first part of the review include general aspects such as theory of the MALDI process, matrices, derivatization, MALDI imaging, fragmentation, and arrays. The second part of the review is devoted to applications to various structural types such as oligo- and poly- saccharides, glycoproteins, glycolipids, glycosides, and biopharmaceuticals. Much of this material is presented in tabular form. The third part of the review covers medical and industrial applications of the technique, studies of enzyme reactions, and applications to chemical synthesis. © 2018 Wiley Periodicals, Inc. Mass Spec Rev 37:353-491, 2018.
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Affiliation(s)
- David J Harvey
- Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Roosevelt Drive, Oxford, OX3 7FZ, United Kingdom
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16
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Nelson MAM, Baba SP, Anderson EJ. Biogenic Aldehydes as Therapeutic Targets for Cardiovascular Disease. Curr Opin Pharmacol 2017; 33:56-63. [PMID: 28528297 DOI: 10.1016/j.coph.2017.04.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 03/28/2017] [Accepted: 04/19/2017] [Indexed: 12/21/2022]
Abstract
Aldehydes are continuously formed in biological systems through enzyme-dependent and spontaneous oxidation of lipids, glucose, and primary amines. These highly reactive, biogenic electrophiles can become toxic via covalent modification of proteins, lipids and DNA. Thus, agents that scavenge aldehydes through conjugation have therapeutic value for a number of major cardiovascular diseases. Several commonly-prescribed drugs (e.g., hydralazine) have been shown to have potent aldehyde-conjugating properties which may contribute to their beneficial effects. Herein, we briefly describe the major sources and toxicities of biogenic aldehydes in cardiovascular system, and provide an overview of drugs that are known to have aldehyde-conjugating effects. Some compounds of phytochemical origin, and histidyl-dipeptides with emerging therapeutic value in this area are also discussed.
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Affiliation(s)
- Margaret-Ann M Nelson
- Department of Pharmacology & Toxicology, East Carolina University, Greenville, NC, USA
| | - Shahid P Baba
- Department of Medicine, Diabetes and Obesity Center, University of Louisville, Louisville, KY, USA
| | - Ethan J Anderson
- Department of Pharmaceutical Sciences & Experimental Therapeutics, College of Pharmacy, Fraternal Order of Eagles Diabetes Research Center, University of Iowa, Iowa City, IA, USA.
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17
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Mukherjee S, Bandyopadhyay A. Proteomics in India: the clinical aspect. Clin Proteomics 2016; 13:21. [PMID: 27822170 PMCID: PMC5097398 DOI: 10.1186/s12014-016-9122-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Accepted: 08/12/2016] [Indexed: 02/07/2023] Open
Abstract
Proteomics has emerged as a highly promising bioanalytical technique in various aspects of applied biological research. In Indian academia, proteomics research has grown remarkably over the last decade. It is being extensively used for both basic as well as translation research in the areas of infectious and immune disorders, reproductive disorders, cardiovascular diseases, diabetes, eye disorders, human cancers and hematological disorders. Recently, some seminal works on clinical proteomics have been reported from several laboratories across India. This review aims to shed light on the increasing use of proteomics in India in a variety of biological conditions. It also highlights that India has the expertise and infrastructure needed for pursuing proteomics research in the country and to participate in global initiatives. Research in clinical proteomics is gradually picking up pace in India and its future seems very bright.
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Affiliation(s)
- Somaditya Mukherjee
- Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Kolkata, 700032 India
| | - Arun Bandyopadhyay
- Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S. C. Mullick Road, Kolkata, 700032 India
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18
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Bhat S, Jagadeeshaprasad MG, Patil YR, Shaikh ML, Regin BS, Mohan V, Giri AP, Balasubramanyam M, Boppana R, Kulkarni MJ. Proteomic Insight Reveals Elevated Levels of Albumin in Circulating Immune Complexes in Diabetic Plasma. Mol Cell Proteomics 2016; 15:2011-20. [PMID: 27056913 DOI: 10.1074/mcp.m116.058008] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Indexed: 12/17/2022] Open
Abstract
A Hyperglycemic condition in diabetes promotes formation of advanced glycation end products, which are known to elicit immune response and form complexes with immunoglobulins called circulating immune complexes. To investigate the involvement of advanced glycation end product (AGE)-modified proteins in the elicitation of an immune response, circulating immune complexes were isolated and proteins associated were identified and characterized. Label-free-based mass spectrometric analysis of circulating immune complexes in clinical plasma of prediabetic, newly diagnosed diabetes, and diabetic microalbuminurea revealed elevated levels of serum albumin in the circulating immune complexes, which were also observed to be AGE modified. Further, to examine the role of glycation, circulating immune complexeswere analyzed in the streptozotocin-induced diabetic mice treated with or without aminoguanidine, a prototype glycation inhibitor. Mass spectrometric analysis of circulating immune complexes showed elevated levels of serum albumin in plasma from diabetic mice over that of control animals. Aminoguanidine-treated diabetic mice displayed decreased AGE modification of plasma albumin, accompanied by a reduced level of albumin in the circulating immune complexes. In addition, elevated levels of proinflammatory cytokines such as IL-1b, IL-2, and TNF-alpha were observed in diabetes, which were reduced with aminoguanidine treatment, suggesting the involvement of glycation in the immune response.
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Affiliation(s)
- Shweta Bhat
- From the ‡Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune-411008, India, and Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | - Mashanipalya G Jagadeeshaprasad
- From the ‡Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune-411008, India, and Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | - Yugendra R Patil
- From the ‡Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune-411008, India, and Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | | | | | | | - Ashok P Giri
- From the ‡Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune-411008, India, and Academy of Scientific and Innovative Research (AcSIR), New Delhi, India
| | | | | | - Mahesh J Kulkarni
- From the ‡Proteomics Facility, Division of Biochemical Sciences, CSIR-National Chemical Laboratory, Pune-411008, India, and Academy of Scientific and Innovative Research (AcSIR), New Delhi, India;
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19
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Effect of diabetic duration on hemorheological properties and platelet aggregation in streptozotocin-induced diabetic rats. Sci Rep 2016; 6:21913. [PMID: 26898237 PMCID: PMC4762006 DOI: 10.1038/srep21913] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Accepted: 02/02/2016] [Indexed: 12/22/2022] Open
Abstract
Diabetes mellitus with abnormal glucose concentration is associated with changes in hemorheological properties, endothelial function, and platelets hyperactivity. Disturbances may significantly be responsible for diabetes-related vascular complications. In this study, hemorheological and hemodynamic properties were measured according to diabetic duration after streptozotocin treatment in rats. For ex vivo measurements, an extracorporeal model was adopted. Flow rate and blood viscosity were measured using a microfluidic device. Erythrocyte aggregation and morphological parameters of erythrocytes were measured by modified erythrocyte sedimentation rate and the phase-contrast holography under in vitro conditions. The platelet aggregation and mean pressure in the femoral artery were estimated under ex vivo conditions. Hemorheological properties including blood viscosity, erythrocyte aggregation and shape parameters for the control group are significantly different with those for diabetic groups. The changes with respect to diabetic duration were relatively unnoticeable. However, the platelet aggregation is strongly dependent on the diabetic duration. Based on these results, hyperglycemia exposure may induce hemorheological variations in early stages of diabetes mellitus. High platelet aggregation may become more pronounced according to the diabetic duration caused by variations in hemorheological properties resulting in endothelial dysfunction. This study would be helpful in understanding the effects of diabetic duration on biophysical properties.
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20
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Potential Dual Role of Eugenol in Inhibiting Advanced Glycation End Products in Diabetes: Proteomic and Mechanistic Insights. Sci Rep 2016; 6:18798. [PMID: 26739611 PMCID: PMC4704049 DOI: 10.1038/srep18798] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Accepted: 11/26/2015] [Indexed: 01/13/2023] Open
Abstract
Medicinally important genus Ocimum harbors a vast pool of chemically diverse metabolites. Current study aims at identifying anti-diabetic candidate compounds from Ocimum species. Major metabolites in O. kilimandscharicum, O. tenuiflorum, O. gratissimum were purified, characterized and evaluated for anti-glycation activity. In vitro inhibition of advanced glycation end products (AGEs) by eugenol was found to be highest. Preliminary biophysical analysis and blind docking studies to understand eugenol-albumin interaction indicated eugenol to possess strong binding affinity for surface exposed lysines. However, binding of eugenol to bovine serum albumin (BSA) did not result in significant change in secondary structure of protein. In vivo diabetic mice model studies with eugenol showed reduction in blood glucose levels by 38% likely due to inhibition of α-glucosidase while insulin and glycated hemoglobin levels remain unchanged. Western blotting using anti-AGE antibody and mass spectrometry detected notably fewer AGE modified peptides upon eugenol treatment both in vivo and in vitro. Histopathological examination revealed comparatively lesser lesions in eugenol-treated mice. Thus, we propose eugenol has dual mode of action in combating diabetes; it lowers blood glucose by inhibiting α-glucosidase and prevents AGE formation by binding to ε-amine group on lysine, protecting it from glycation, offering potential use in diabetic management.
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21
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Batkulwar KB, Jana AK, Godbole RK, Khandelwal P, Sengupta N, Kulkarni MJ. Hydralazine inhibits amyloid beta (Aβ) aggregation and glycation and ameliorates Aβ1–42 induced neurotoxicity. RSC Adv 2016. [DOI: 10.1039/c6ra20225j] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Top panel (red) depicts the formation beta sheet rich neurotoxic amyloid aggregates and bottom panel (blue) shows disordered non toxic amyloid aggregates formation upon hydralazine treatment.
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Affiliation(s)
- Kedar B. Batkulwar
- Mass-spectrometry and Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411008
- India
| | - Asis K. Jana
- Academy of Scientific and Innovative Research (AcSIR)
- CSIR-National Chemical Laboratory
- Pune 411008
- India
- Physical Chemistry Division
| | - Rashmi K. Godbole
- Mass-spectrometry and Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411008
- India
| | - Puneet Khandelwal
- Academy of Scientific and Innovative Research (AcSIR)
- CSIR-National Chemical Laboratory
- Pune 411008
- India
- Physical Chemistry Division
| | - Neelanjana Sengupta
- Academy of Scientific and Innovative Research (AcSIR)
- CSIR-National Chemical Laboratory
- Pune 411008
- India
- Physical Chemistry Division
| | - Mahesh J. Kulkarni
- Mass-spectrometry and Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411008
- India
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22
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Vannuruswamy G, Jagadeeshaprasad MG, Kashinath K, Kesavan SK, Bhat S, Korwar AM, Chougale AD, Boppana R, Reddy DS, Kulkarni MJ. Molecules with O-acetyl group protect protein glycation by acetylating lysine residues. RSC Adv 2016. [DOI: 10.1039/c6ra11313c] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
In-vitro and in-vivo chemical proteomic studies of acetyl group molecules revealed that, O-acetyl molecules competitively inhibits the protein glycation by acetylating the lysine residues.
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Affiliation(s)
- Garikapati Vannuruswamy
- Mass-Spectrometry and Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411008
- India
| | | | - K. Kashinath
- Academy of Scientific and Innovative Research (AcSIR)
- New Delhi
- India
- Organic Chemistry Division
- CSIR-National Chemical Laboratory
| | - Suresh K. Kesavan
- Mass-Spectrometry and Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411008
- India
| | - Shweta Bhat
- Mass-Spectrometry and Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411008
- India
| | - Arvind M. Korwar
- Mass-Spectrometry and Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411008
- India
| | - Ashok D. Chougale
- Mass-Spectrometry and Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411008
- India
| | | | - D. Srinivasa Reddy
- Academy of Scientific and Innovative Research (AcSIR)
- New Delhi
- India
- Organic Chemistry Division
- CSIR-National Chemical Laboratory
| | - Mahesh J. Kulkarni
- Mass-Spectrometry and Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411008
- India
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23
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Lennicke C, Rahn J, Heimer N, Lichtenfels R, Wessjohann LA, Seliger B. Redox proteomics: Methods for the identification and enrichment of redox-modified proteins and their applications. Proteomics 2015; 16:197-213. [PMID: 26508685 DOI: 10.1002/pmic.201500268] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Revised: 09/14/2015] [Accepted: 10/15/2015] [Indexed: 01/24/2023]
Abstract
PTMs are defined as covalent additions to functional groups of amino acid residues in proteins like phosphorylation, glycosylation, S-nitrosylation, acetylation, methylation, lipidation, SUMOylation as well as oxidation. Oxidation of proteins has been characterized as a double-edged sword. While oxidative modifications, in particular of cysteine residues, are widely involved in the regulation of cellular homeostasis, oxidative stress resulting in the oxidation of biomolecules along with the disruption of their biological functions can be associated with the development of diseases, such as cancer, diabetes, and neurodegenerative diseases, respectively. This is also the case for advanced glycation end products, which result from chemical reactions of keto compounds such as oxidized sugars with proteins. The role of oxidative modifications under physiological and pathophysiological conditions remains largely unknown. Recently, novel technologies have been established that allow the enrichment, identification, and characterization of specific oxidative PTMs (oxPTMs). This is essential to develop strategies to prevent and treat diseases that are associated with oxidative stress. Therefore this review will focus on (i) the methods and technologies, which are currently applied for the detection, identification, and quantification of oxPTMs including the design of high throughput approaches and (ii) the analyses of oxPTMs related to physiological and pathological conditions.
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Affiliation(s)
- Claudia Lennicke
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Halle/Saale, Germany
| | - Jette Rahn
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Halle/Saale, Germany
| | - Nadine Heimer
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Halle/Saale, Germany
| | - Rudolf Lichtenfels
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Halle/Saale, Germany
| | | | - Barbara Seliger
- Institute of Medical Immunology, Martin Luther University Halle-Wittenberg, Halle/Saale, Germany
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Mohammad N, Singh SV, Malvi P, Chaube B, Athavale D, Vanuopadath M, Nair SS, Nair B, Bhat MK. Strategy to enhance efficacy of doxorubicin in solid tumor cells by methyl-β-cyclodextrin: Involvement of p53 and Fas receptor ligand complex. Sci Rep 2015; 5:11853. [PMID: 26149967 PMCID: PMC4493576 DOI: 10.1038/srep11853] [Citation(s) in RCA: 82] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Accepted: 05/20/2015] [Indexed: 12/25/2022] Open
Abstract
Doxorubicin (DOX) is one of the preferred drugs for treating breast and liver cancers. However, its clinical application is limited due to severe side effects and the accompanying drug resistance. In this context, we investigated the effect on therapeutic efficacy of DOX by cholesterol depleting agent methyl-β-cyclodextrin (MCD), and explored the involvement of p53. MCD sensitizes MCF-7 and Hepa1–6 cells to DOX, Combination of MCD and marginal dose of DOX reduces the cell viability, and promoted apoptosis through induction of pro-apoptotic protein, Bax, activation of caspase-8 and caspase-7, down regulation of anti-apoptotic protein Bcl-2 and finally promoting PARP cleavage. Mechanistically, sensitization to DOX by MCD was due to the induction of FasR/FasL pathway through p53 activation. Furthermore, inhibition of p53 by pharmacological inhibitor pifithrin-α (PFT-α) or its specific siRNA attenuated p53 function and down-regulated FasR/FasL, thereby preventing cell death. Animal experiments were performed using C57BL/6J mouse isografted with Hepa1–6 cells. Tumor growth was retarded and survival increased in mice administered MCD together with DOX to as compared to either agent alone. Collectively, these results suggest that MCD enhances the sensitivity to DOX for which wild type p53 is an important determinant.
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Affiliation(s)
- Naoshad Mohammad
- National Centre for Cell Science, Pune University Campus, Ganeshkhind, Pune- 411007, India
| | - Shivendra Vikram Singh
- National Centre for Cell Science, Pune University Campus, Ganeshkhind, Pune- 411007, India
| | - Parmanand Malvi
- National Centre for Cell Science, Pune University Campus, Ganeshkhind, Pune- 411007, India
| | - Balkrishna Chaube
- National Centre for Cell Science, Pune University Campus, Ganeshkhind, Pune- 411007, India
| | - Dipti Athavale
- National Centre for Cell Science, Pune University Campus, Ganeshkhind, Pune- 411007, India
| | | | | | - Bipin Nair
- Amrita School of Biotechnology, Amrita Vishwa Vidyapeetham University, Kollam-690525, India
| | - Manoj Kumar Bhat
- National Centre for Cell Science, Pune University Campus, Ganeshkhind, Pune- 411007, India
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Mallipattu SK, Uribarri J. Advanced glycation end product accumulation: a new enemy to target in chronic kidney disease? Curr Opin Nephrol Hypertens 2015; 23:547-54. [PMID: 25160075 DOI: 10.1097/mnh.0000000000000062] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
PURPOSE OF REVIEW The critical role of advanced glycation end products (AGEs) in the progression of chronic diseases and their complications has recently become more apparent. This review summarizes the recent contributions to the field of AGEs in chronic kidney disease (CKD). RECENT FINDINGS Over the past 3 decades, AGEs have been implicated in the progression of CKD, and specifically diabetic nephropathy. Although numerous in-vitro and in-vivo studies highlight the detrimental role of AGEs accumulation in tissue injury, few prospective human studies or clinical trials show that inhibiting this process ameliorates disease. Nonetheless, recent studies have focused on the novel mechanisms that contribute to end-organ injury as a result of AGEs accumulation, as well as novel targets of therapy in kidney disease. SUMMARY As the prevalence and the incidence of CKD rises in the United States, it is essential to identify therapeutic strategies that either delay the progression of CKD or improve mortality in this population. The focus of this review is on highlighting the recent studies that advance our current understanding of the mechanisms mediating AGEs-induced CKD progression, as well as novel treatment strategies that have the potential to abrogate this disease process. VIDEO ABSTRACT http://links.lww.com/CONH/A12.
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Affiliation(s)
- Sandeep K Mallipattu
- aDivision of Nephrology, Department of Medicine, Stony Brook University bDivision of Nephrology, Department of Medicine, Mount Sinai School of Medicine, New York, New York, USA
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Fatchiyah F, Hardiyanti F, Widodo N. Selective Inhibition on RAGE-binding AGEs Required by Bioactive Peptide Alpha-S2 Case in Protein from Goat Ethawah Breed Milk: Study of Biological Modeling. Acta Inform Med 2015; 23:90-6. [PMID: 26005274 PMCID: PMC4429993 DOI: 10.5455/aim.2015.23.90-96] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2015] [Accepted: 04/03/2015] [Indexed: 01/09/2023] Open
Abstract
Background: Advanced Glycation End Products (AGE) play a pivotal role in the development various degenerative diseases such as diabetes, cardiovascular disease, stroke, neuropathy, and nephropathy. Different studies have been done to employ AGEs as drug targets for the diseases therapy. In previous study, we have found bioactive peptide from Ethawah goat milk for anti-diabetic that may work through inhibition of AGE receptor function. However, the mechanism of bioactive peptides inhibits AGE- AGE receptor (RAGE) bonding still not clear yet. Therefore we investigated the inhibition mechanism by calculate the potential energy binding among the peptides, AGEs and RAGE using molecular docking system. Methods: Modeling 3D-structure was predicted by SWISS-MODEL web server. The virtual interaction was analyzed by docking system using HEX 8.0, Pymol and Discovery Studio 4.0 software. Results: this study showed that AGEs (Argypirimidine, Imidazole, Pentosidine and Pyrraline) bind to C-domain of RAGE. The total energy binding of RAGE with Argypirimidine, Imidazole, Pentosidine and Pyrraline were 378.35kJ/mol, -74.57kJ/mol, -301.25kJ/mol and -400.72kJ/mol, respectively. We have found three peptides among eight peptides from Ethawah goat milk, which are able bind to C-domain of RAGE, there are CSN1S2 f41-47, CSN1S2 f182-189, and CSN1S2 f214-221. The CSN1S22 f41-47 at arginine residue 47 interacts with proline162, leusine163 and leusine158 of RAGE. The total binding energy between CSN1S2 f41-47, CSN1S2 f182-189, and CSN1S2 f214-221 with RAGE were -378.35 kJ/mol, -359.97kJ/mol, -356.78 kJ/mol, respectively. Total binding energy and binding pattern indicated that RAGE more prefer bind with peptide and block AGE bind to functional site of RAGE. Further analysis showed that complex peptide-RAGE shifted binding site of AGE on function domain RAGE. Conclusion: This study suggested that the peptides from Ethawah goat milk may act as an inhibitor of AGEs-RAGE interaction that impaired signal transduction cascade at the cellular level.
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Affiliation(s)
- Fatchiyah Fatchiyah
- Department of Biology, Faculty of Mathematics and Natural Sciences, University of Brawijaya, Jl Veteran, Malang, 65145, East Java, Indonesia
| | - Ferlany Hardiyanti
- Department of Biology, Faculty of Mathematics and Natural Sciences, University of Brawijaya, Jl Veteran, Malang, 65145, East Java, Indonesia
| | - Nashi Widodo
- Department of Biology, Faculty of Mathematics and Natural Sciences, University of Brawijaya, Jl Veteran, Malang, 65145, East Java, Indonesia
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Fatty acid synthase cooperates with glyoxalase 1 to protect against sugar toxicity. PLoS Genet 2015; 11:e1004995. [PMID: 25692475 PMCID: PMC4334898 DOI: 10.1371/journal.pgen.1004995] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2014] [Accepted: 01/08/2015] [Indexed: 01/03/2023] Open
Abstract
Fatty acid (FA) metabolism is deregulated in several human diseases including metabolic syndrome, type 2 diabetes and cancers. Therefore, FA-metabolic enzymes are potential targets for drug therapy, although the consequence of these treatments must be precisely evaluated at the organismal and cellular levels. In healthy organism, synthesis of triacylglycerols (TAGs)—composed of three FA units esterified to a glycerol backbone—is increased in response to dietary sugar. Saturation in the storage and synthesis capacity of TAGs is associated with type 2 diabetes progression. Sugar toxicity likely depends on advanced-glycation-end-products (AGEs) that form through covalent bounding between amine groups and carbonyl groups of sugar or their derivatives α-oxoaldehydes. Methylglyoxal (MG) is a highly reactive α-oxoaldehyde that is derived from glycolysis through a non-enzymatic reaction. Glyoxalase 1 (Glo1) works to neutralize MG, reducing its deleterious effects. Here, we have used the power of Drosophila genetics to generate Fatty acid synthase (FASN) mutants, allowing us to investigate the consequence of this deficiency upon sugar-supplemented diets. We found that FASN mutants are lethal but can be rescued by an appropriate lipid diet. Rescued animals do not exhibit insulin resistance, are dramatically sensitive to dietary sugar and accumulate AGEs. We show that FASN and Glo1 cooperate at systemic and cell-autonomous levels to protect against sugar toxicity. We observed that the size of FASN mutant cells decreases as dietary sucrose increases. Genetic interactions at the cell-autonomous level, where glycolytic enzymes or Glo1 were manipulated in FASN mutant cells, revealed that this sugar-dependent size reduction is a direct consequence of MG-derived-AGE accumulation. In summary, our findings indicate that FASN is dispensable for cell growth if extracellular lipids are available. In contrast, FA-synthesis appears to be required to limit a cell-autonomous accumulation of MG-derived-AGEs, supporting the notion that MG is the most deleterious α-oxoaldehyde at the intracellular level. Consumption of sugar and lipid (fat) enriched food increases the risk of developing metabolic diseases and cancers. However, lipids are essential molecules for life, as they are the major components of cell membranes. Metabolism refers to biochemical reactions that transform nutrients into molecules required by an organism, although toxic by-products can also formed. Sugars or their derivatives are likely to induce toxic effects by forming stable conjugates with proteins. To neutralize their toxic potential, sugars are metabolized and stored as fat. Here, we have used the fruitfly model to investigate the consequences of lipogenesis deficiency upon ingestion of sugar-enriched diets. We show that lipogenesis deficient animals are dramatically sensitive to dietary sugar. Further, we have identified the sugar by-product responsible for intracellular toxicity, in the context of lipogenesis inhibition. Our study reveals that inhibiting lipogenesis does not disrupt cellular growth if extracellular lipids are available. In contrast lipogenesis inhibition may have deleterious consequences due to accumulation of toxic by-products. The efficacy of lipogenic inhibitors in fighting cancers and metabolic diseases is currently under investigation. Therefore, to evaluate the clinical benefit of these inhibitors, accumulation of the toxic molecules should be monitored in both sick and healthy cells.
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Kolekar YM, Vannuruswamy G, Bansode SB, B S, Thulasiram HV, Kulkarni MJ. Investigation of antiglycation activity of isoprenaline. RSC Adv 2015. [DOI: 10.1039/c5ra01723h] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Isoprenaline reduces the advanced glycation end products and may be suitable candidate for the treatment of glycation associated diseases.
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Affiliation(s)
- Yogesh M. Kolekar
- Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411008
- India
| | - Garikapati Vannuruswamy
- Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411008
- India
| | - Sneha B. Bansode
- Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411008
- India
| | - Santhakumari B
- Centre for Material Characterization
- CSIR-National Chemical Laboratory
- Pune-411008
- India
| | | | - Mahesh J. Kulkarni
- Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411008
- India
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Chilukuri H, Kolekar YM, Bhosle GS, Godbole RK, Kazi RS, Kulkarni MJ, Fernandes M. N-(3-Aminoalkyl)proline derivatives with potent antigycation activity. RSC Adv 2015. [DOI: 10.1039/c5ra12148e] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
The synthesis and anti-glycation properties of non-naturalN-aminoalkylproline derivatives are reported. They also exhibit good anti-oxidant properties and may be useful in the treatment of complications that arise as a result of increased glycation.
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Affiliation(s)
- Harsha Chilukuri
- Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411 008
- India
| | - Yogesh M. Kolekar
- Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411 008
- India
| | - Govind S. Bhosle
- Organic Chemistry Division
- CSIR-National Chemical Laboratory
- Pune 411008
- India
| | - Rashmi K. Godbole
- Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411 008
- India
| | - Rubina S. Kazi
- Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411 008
- India
| | - Mahesh J. Kulkarni
- Proteomics Facility
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune-411 008
- India
| | - Moneesha Fernandes
- Organic Chemistry Division
- CSIR-National Chemical Laboratory
- Pune 411008
- India
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Chinchansure AA, Korwar AM, Kulkarni MJ, Joshi SP. Recent development of plant products with anti-glycation activity: a review. RSC Adv 2015. [DOI: 10.1039/c4ra14211j] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
This review article summarizes the plant natural products that inhibit glycation at different stages leading to the AGEs formation.
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Affiliation(s)
| | - Arvind M. Korwar
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune 411 008
- India
| | - Mahesh J. Kulkarni
- Division of Biochemical Sciences
- CSIR-National Chemical Laboratory
- Pune 411 008
- India
| | - Swati P. Joshi
- Division of Organic Chemistry
- CSIR-National Chemical Laboratory
- Pune 411 008
- India
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31
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Mohammad N, Malvi P, Meena AS, Singh SV, Chaube B, Vannuruswamy G, Kulkarni MJ, Bhat MK. Cholesterol depletion by methyl-β-cyclodextrin augments tamoxifen induced cell death by enhancing its uptake in melanoma. Mol Cancer 2014; 13:204. [PMID: 25178635 PMCID: PMC4175626 DOI: 10.1186/1476-4598-13-204] [Citation(s) in RCA: 89] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2014] [Accepted: 08/22/2014] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Despite modern advances in treatment, skin cancer is still one of the most common causes of death in the western countries. Chemotherapy plays an important role in melanoma management. Tamoxifen has been used either alone or in- combination with other chemotherapeutic agents to treat melanoma. However, response rate of tamoxifen as a single agent has been comparatively low. In the present study, we investigated whether treatment with methyl-β-cyclodextrin (MCD), a cholesterol depleting agent, increases the efficacy of tamoxifen in melanoma cells. METHODS This was a two-part study that incorporated in vitro effects of tamoxifen and MCD combination by analyzing cell survival, apoptosis and cell cycle analysis and in vivo antitumor efficacy on tumor isografts in C57BL/6J mice. RESULTS MCD potentiated tamoxifen induced anticancer effects by causing cell cycle arrest and induction of apoptosis. Sensitization to tamoxifen was associated with down regulation of antiapoptotic protein Bcl-2, up-regulation of proapoptotic protein Bax, reduced caveolin-1 (Cav-1) and decreased pAkt/pERK levels. Co-administration of tamoxifen and MCD caused significant reduction in tumor volume and tumor weight in mice due to enhancement of drug uptake in the tumor. Supplementation with cholesterol abrogated combined effect of tamoxifen and MCD. CONCLUSION Our results emphasize a potential synergistic effect of tamoxifen with MCD, and therefore, may provide a unique therapeutic window for improvement in melanoma treatment.
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Affiliation(s)
| | | | | | | | | | | | | | - Manoj Kumar Bhat
- National Centre for Cell Science, NCCS Complex, Ganeshkhind, Pune 411007, India.
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