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Sonowal H, Ramana KV. Development of Aldose Reductase Inhibitors for the Treatment of Inflammatory Disorders and Cancer: Current Drug Design Strategies and Future Directions. Curr Med Chem 2021; 28:3683-3712. [PMID: 33109031 DOI: 10.2174/0929867327666201027152737] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 09/22/2020] [Accepted: 09/24/2020] [Indexed: 11/22/2022]
Abstract
Aldose Reductase (AR) is an enzyme that converts glucose to sorbitol during the polyol pathway of glucose metabolism. AR has been shown to be involved in the development of secondary diabetic complications due to its involvement in causing osmotic as well as oxidative stress. Various AR inhibitors have been tested for their use to treat secondary diabetic complications, such as retinopathy, neuropathy, and nephropathy in clinical studies. Recent studies also suggest the potential role of AR in mediating various inflammatory complications. Therefore, the studies on the development and potential use of AR inhibitors to treat inflammatory complications and cancer besides diabetes are currently on the rise. Further, genetic mutagenesis studies, computer modeling, and molecular dynamics studies have helped design novel and potent AR inhibitors. This review discussed the potential new therapeutic use of AR inhibitors in targeting inflammatory disorders and cancer besides diabetic complications. Further, we summarized studies on how AR inhibitors have been designed and developed for therapeutic purposes in the last few decades.
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Affiliation(s)
- Himangshu Sonowal
- Moores Cancer Center, University of California San Diego, La Jolla, California 92037, United States
| | - Kota V Ramana
- Department of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, TX 77555, United States
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Smith AM, Pajovich HT, Banerjee IA. Development of Self-Assembled Nanoribbon Bound Peptide-Polyaniline Composite Scaffolds and Their Interactions with Neural Cortical Cells. Bioengineering (Basel) 2018; 5:bioengineering5010006. [PMID: 29342881 PMCID: PMC5874872 DOI: 10.3390/bioengineering5010006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2017] [Revised: 01/06/2018] [Accepted: 01/08/2018] [Indexed: 01/31/2023] Open
Abstract
Degenerative neurological disorders and traumatic brain injuries cause significant damage to quality of life and often impact survival. As a result, novel treatments are necessary that can allow for the regeneration of neural tissue. In this work, a new biomimetic scaffold was designed with potential for applications in neural tissue regeneration. To develop the scaffold, we first prepared a new bolaamphiphile that was capable of undergoing self-assembly into nanoribbons at pH 7. Those nanoribbons were then utilized as templates for conjugation with specific proteins known to play a critical role in neural tissue growth. The template (Ile-TMG-Ile) was prepared by conjugating tetramethyleneglutaric acid with isoleucine and the ability of the bolaamphiphile to self-assemble was probed at a pH range of 4 through 9. The nanoribbons formed under neutral conditions were then functionalized step-wise with the basement membrane protein laminin, the neurotropic factor artemin and Type IV collagen. The conductive polymer polyaniline (PANI) was then incorporated through electrostatic and π–π stacking interactions to the scaffold to impart electrical properties. Distinct morphology changes were observed upon conjugation with each layer, which was also accompanied by an increase in Young’s Modulus as well as surface roughness. The Young’s Modulus of the dried PANI-bound biocomposite scaffolds was found to be 5.5 GPa, indicating the mechanical strength of the scaffold. Thermal phase changes studied indicated broad endothermic peaks upon incorporation of the proteins which were diminished upon binding with PANI. The scaffolds also exhibited in vitro biodegradable behavior over a period of three weeks. Furthermore, we observed cell proliferation and short neurite outgrowths in the presence of rat neural cortical cells, confirming that the scaffolds may be applicable in neural tissue regeneration. The electrochemical properties of the scaffolds were also studied by generating I-V curves by conducting cyclic voltammetry. Thus, we have developed a new biomimetic composite scaffold that may have potential applications in neural tissue regeneration.
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Affiliation(s)
- Andrew M Smith
- Department of Chemistry, Fordham University, 441 East Fordham Road, Bronx, New York, NY 10458, USA.
| | - Harrison T Pajovich
- Department of Chemistry, Fordham University, 441 East Fordham Road, Bronx, New York, NY 10458, USA.
| | - Ipsita A Banerjee
- Department of Chemistry, Fordham University, 441 East Fordham Road, Bronx, New York, NY 10458, USA.
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Johnson DT, Harris RA, French S, Aponte A, Balaban RS. Proteomic changes associated with diabetes in the BB-DP rat. Am J Physiol Endocrinol Metab 2009; 296:E422-32. [PMID: 18984854 PMCID: PMC2660141 DOI: 10.1152/ajpendo.90352.2008] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
These studies were structured with the aim of utilizing emerging technologies in two-dimensional (2D) gel electrophoresis and mass spectrometry to evaluate protein expression changes associated with type 1 diabetes. We reasoned that a broad examination of diabetic tissues at the protein level might open up novel avenues of investigation of the metabolic and signaling pathways that are adversely affected in type 1 diabetes. This study compared the protein expression of the liver, heart, and skeletal muscle of diabetes-prone rats and matched control rats by semiquantitative liquid chromatography-mass spectrometry and differential in-gel 2D gel electrophoresis. Differential expression of 341 proteins in liver, 43 in heart, and 9 (2D gel only) in skeletal muscle was detected. These data were assembled into the relevant metabolic pathways affected primarily in liver. Multiple covalent modifications were also apparent in 2D gel analysis. Several new hypotheses were generated by these data, including mechanisms of net cytosolic protein oxidation, formaldehyde generation by the methionine cycle, and inhibition of carbon substrate oxidation via reduction in citrate synthase and short-chain acyl-CoA dehydrogenase.
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Affiliation(s)
- D Thor Johnson
- National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892-1061, USA.
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Lee S, Shim SH, Kim JS, Shin KH, Kang SS. Aldose Reductase Inhibitors from the Fruiting Bodies of Ganoderma applanatum. Biol Pharm Bull 2005; 28:1103-5. [PMID: 15930755 DOI: 10.1248/bpb.28.1103] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The isolation and characterization of rat lens aldose reductase (RLAR) inhibitors from the fruiting bodies of Ganoderma applanatum were conducted. Among the extracts and fractions from G. applanatum tested, the MeOH extract and EtOAc fraction were found to exhibit potent RLAR inhibition in vitro, their IC50 being 1.7 and 0.8 microg/ml, respectively. From the active EtOAc fraction, seven compounds with diverse structural moieties were isolated and identified as D-mannitol (1), 2-methoxyfatty acids (2), cerebrosides (3), daucosterol (4), 2,5-dihydroxyacetophenone (5), 2,5-dihydroxybenzoic acid (6), and protocatechualdehyde (7). Among them, protocatechualdehyde (7) was found to be the most potent RLAR inhibitor (IC50=0.7 microg/ml), and may be useful for the prevention and/or treatment of diabetic complications.
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Affiliation(s)
- Sanghyun Lee
- Natural Products Research Institute and College of Pharmacy, Seoul National University, Japan
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Harrison HE, Stribling D, Armstrong FM, Perkins CM. Aldose reductase in the etiology of diabetic complications: I. Introduction. THE JOURNAL OF DIABETIC COMPLICATIONS 1989; 3:6-11. [PMID: 2540215 DOI: 10.1016/0891-6632(89)90003-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- H E Harrison
- Medical Affairs Department, ICI PLC Pharmaceuticals Division, Macclesfield, Cheshire, England
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Aldose Reductase Inhibitors: Structure–Activity Relationships and Therapeutic Potential. ACTA ACUST UNITED AC 1989. [DOI: 10.1016/b978-0-12-013318-5.50007-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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Affiliation(s)
- E R Larson
- Pfizer, Central Research, Groton, Connecticut 06340
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Humber LG. The medicinal chemistry of aldose reductase inhibitors. PROGRESS IN MEDICINAL CHEMISTRY 1987; 24:299-343. [PMID: 3144023 DOI: 10.1016/s0079-6468(08)70425-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Poulsom R, Heath H. Inhibition of aldose reductase in five tissues of the streptozotocin-diabetic rat. Biochem Pharmacol 1983; 32:1495-9. [PMID: 6407486 DOI: 10.1016/0006-2952(83)90471-9] [Citation(s) in RCA: 33] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
For 22 days, streptozotocin-diabetic and normal rats were intubated once daily with ICI 105552 (1-(3,4-dichlorobenzyl)-3-methyl-1,2-dihydro-2-oxoquinol-4-ylacetic acid, sodium salt: 50 mg/kg body weight) an inhibitor of aldose reductase (EC 1.1.1.21), the first enzyme of the sorbitol pathway. Treatment with ICI 105552 affected neither glycaemia nor tissue glucose nor inositol concentrations yet reduced significantly the abnormal accumulations in diabetes of sorbitol in the lens (70% reduction), sciatic nerve (86%) and seminal vesicles with coagulating glands (S.V.C.G., 55%). ICI 105552 had no effect upon sorbitol accumulated in the diabetic kidney but it reduced the level in controls by 43%. The compound reduced the accumulation of sorbitol in diabetic retina by 58% although variation was too great for the decrease to be significant statistically. Treatment with ICI 105552 produced small (less than or equal to 11%) yet statistically significant increases in the weights of the kidneys, and both liver and kidney weight/100 g residual body weight but did not affect the weights of the body, lens, retina or S.V.C.G. The importance of these findings for the development of potentially chemotherapeutic aldose reductase inhibitors is discussed.
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Okuda J, Miwa I, Inagaki K, Horie T, Nakayama M. Inhibition of aldose reductases from rat and bovine lenses by flavonoids. Biochem Pharmacol 1982; 31:3807-22. [PMID: 6818971 DOI: 10.1016/0006-2952(82)90297-0] [Citation(s) in RCA: 64] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Thirty flavones, four isoflavones and thirteen coumarins were tested as inhibitors of lens aldose reductase, which is believed to participate in the initiation of cataract formation in diabetes. Many were found to be potent inhibitors, and the two most potent ones were axillarin (5,7,3',4'-tetrahydroxy-3,6-dimethoxyflavone) and 6,3',4'-trihydroxy-5,7,8-trimethoxyflavone (LARI 1). These two flavones inhibited aldose reductase purified from rat lens with IC50 values of 2.6 X 10(8) and 3.6 X 10(8) M respectively. They also inhibited aldose reductase purified from bovine lens with IC50 values of 1.8 X 10(7) M. The potencies of the two compounds were superior to those of all the previously reported inhibitors of aldose reductase. Inhibition of rat and bovine lens aldose reductases by the two compounds was of a non-competitive type with DL-glyceraldehyde as the variable substrate. Some flavones including axillarin and LARI 1 were found to be poorly or scarcely inhibitory against several adeninenucleotide-requiring enzymes, which are involved in glycolysis and other metabolic reactions. These results obtained show that the two flavones have some features which may be required in clinically useful drugs for diabetic patients. All the potent inhibitors of the compounds tested had a flavone skeleton, one (or two free) hydroxyl(s) in ring C, and more than three hydroxyls (free or methylated) in ring A. The possible relationships of structures to inhibitory potencies of the compounds tested are discussed.
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O'Brien MM, Schofield PJ, Edwards MR. Inhibition of human brain aldose reductase and hexonate dehydrogenase by alrestatin and sorbinil. J Neurochem 1982; 39:810-4. [PMID: 6808090 DOI: 10.1111/j.1471-4159.1982.tb07964.x] [Citation(s) in RCA: 38] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Human brain aldose reductase and hexonate dehydrogenase are inhibited by alrestatin (AY 22,284) and sorbinil (CP 45,634). Inhibition by alrestatin is noncompetitive for both enzymes, and slightly stronger for hexonate dehydrogenase (KI values 52-250 microM) than for aldose reductase (KI values 170-320 microM). Sorbinil inhibits hexonate dehydrogenase far more potently than aldose reductase, KI values being 5 5 microM for hexonate dehydrogenase and 150 microM for aldose reductase. The inhibition of hexonate dehydrogenase by sorbinil is noncompetitive with respect to both aldehyde and NADPH substrates, and is thus kinetically similar to the inhibition by alrestatin. However, sorbinil inhibition of aldose reductase is uncompetitive with respect to glyceraldehyde and noncompetitive with NADPH as the varied substrate. Inhibition of human brain aldose reductase by these two inhibitors is much less potent than that reported for the enzyme from other sources.
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Poulsom R, Boot-Handford RP, Heath H. Some effects of aldose reductase inhibition upon the eyes of long-term streptozotocin-diabetic rats. Curr Eye Res 1982; 2:351-5. [PMID: 6819916 DOI: 10.3109/02713688209000780] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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