1
|
Nassief SM, Amer ME, Shawky E, Sishtla K, Mas-Claret E, Muniyandi A, Corson TW, Mulholland DA, El-Masry S. Antiangiogenic Pterocarpan and Flavonoid Constituents of Erythrina lysistemon. JOURNAL OF NATURAL PRODUCTS 2023; 86:759-766. [PMID: 36938984 DOI: 10.1021/acs.jnatprod.2c00909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The roots of Erythrina lysistemon, growing in Egypt, yielded 24 flavonoid compounds, including 17 pterocarpans, two isoflavanones, one flavanone, two isoflavans, one 2-arylbenzofuran, and an isoflava-3-ene. Nine pterocarpans have not been reported previously (7-9, 11-14, 19, and 20), and 11 are reported here for the first time from this species. Structures were established using HRESIMS, NMR, and circular dichroism techniques. Selected compounds were tested for their ability to block the growth of human retinal endothelial cells and antiangiogenic activity in vitro. The isoflavonoids 5 and 6, and the pterocarpans 1, 2, 4, 20, and 22 demonstrated selective antiproliferative activities on endothelial cells compared to a nonendothelial cell type, with concentration-dependent antiangiogenic effects in vitro against HRECs, a cell type relevant to neovascular eye diseases.
Collapse
Affiliation(s)
- Sarah M Nassief
- Department of Pharmacognosy, Faculty of Pharmacy, University of Alexandria, Alkhartoom Square, Alexandria 21521, Egypt
| | - Masouda E Amer
- Department of Pharmacognosy, Faculty of Pharmacy, University of Alexandria, Alkhartoom Square, Alexandria 21521, Egypt
| | - Eman Shawky
- Department of Pharmacognosy, Faculty of Pharmacy, University of Alexandria, Alkhartoom Square, Alexandria 21521, Egypt
| | - Kamakshi Sishtla
- Eugene and Marilyn Glick Eye Institute, Department of Ophthalmology, Indiana University School of Medicine, 1160 W. Michigan St., Indianapolis, Indiana 46202, United States
| | - Eduard Mas-Claret
- Natural Products Research Group, Department of Chemistry, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford GU2 7XH, United Kingdom
- Royal Botanic Gardens, Kew, Kew Green, Richmond TW9 3AE, United Kingdom
| | - Anbukkarasi Muniyandi
- Eugene and Marilyn Glick Eye Institute, Department of Ophthalmology, Indiana University School of Medicine, 1160 W. Michigan St., Indianapolis, Indiana 46202, United States
| | - Timothy W Corson
- Eugene and Marilyn Glick Eye Institute, Department of Ophthalmology, Indiana University School of Medicine, 1160 W. Michigan St., Indianapolis, Indiana 46202, United States
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, 1160 West Michigan Street, Indianapolis, Indiana 46202, United States
| | - Dulcie A Mulholland
- Natural Products Research Group, Department of Chemistry, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - Sawsan El-Masry
- Department of Pharmacognosy, Faculty of Pharmacy, University of Alexandria, Alkhartoom Square, Alexandria 21521, Egypt
| |
Collapse
|
2
|
Liu CY, Deng P, Wang B, Liu AH, Wang MG, Li SW, Chen LL, Mao SC. Coumaronochromones, flavanones, and isoflavones from the twigs and leaves of Erythrina subumbrans inhibit PTP1B and nitric oxide production. PHYTOCHEMISTRY 2023; 206:113550. [PMID: 36481312 DOI: 10.1016/j.phytochem.2022.113550] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/26/2022] [Accepted: 12/03/2022] [Indexed: 06/17/2023]
Abstract
A chemical investigation of the twigs and leaves of Erythrina subumbrans led to the isolation and structural elucidation of three coumaronochromones, erythrinasubumbrin A and (±)-erythrinasubumbrin B, five prenylated flavanones, (±)-erythrinasubumbrin C and erythrinasubumbrins D-F, and two prenylated isoflavones, (±)-5,4'-dihydroxy-[4,5-cis-4-ethoxy-5-hydroxy-6,6-dimethyl-4,5-dihydropyrano (2,3:7,6)]-isoflavone, in addition to 18 known analogues. Two extra cinnamylphenols previously only known as commercial synthetic products were also isolated and elucidated from a natural source for the first time, and assigned the trivial names erythrinasubumbrins G and H. Their structures were characterized by detailed analysis of spectroscopic data, including HRESIMS and 2D NMR. The absolute configurations of the previously undescribed isolates and the known coumaronochromone lupinol C were determined by specific rotation and electronic circular dichroism (ECD) data. All the isolates were evaluated for their inhibitory activities on protein tyrosine phosphatase 1 B (PTP1B) and nitric oxide (NO) production in lipopolysaccharide (LPS)-induced BV-2 microglial cells as well as their cytotoxicity against the HCT116 cell line. The pair of enantiomers, (+)-5,4'-dihydroxy-[4,5-cis-4-ethoxy-5-hydroxy-6,6-dimethyl-4,5-dihydropyrano (2,3:7,6)]-isoflavone and (-)-5,4'-dihydroxy-[4,5-cis-4-ethoxy-5-hydroxy-6,6-dimethyl-4,5-dihydropyrano (2,3:7,6)]-isoflavone, and the known compounds lupinol C, 4'-O-methyl-8-prenylnaringenin, glepidotin B, shuterin, parvisoflavones A, luteone, lupiwighteone, 2,3-dehydrokievitone, 6,8-diprenylgenistein, angustone A, and 2'-O-demethylbidwillol B exhibited different levels of PTP1B inhibitory activities with IC50 values ranging from 3.21 to 19.17 μM, while erythrinasubumbrin A, (-)-erythrinasubumbrin B, (+)-5,4'-dihydroxy-[4,5-cis-4-ethoxy-5-hydroxy-6,6-dimethyl-4,5-dihydropyrano (2,3:7,6)]-isoflavone, (-)-5,4'-dihydroxy-[4,5-cis-4-ethoxy-5-hydroxy-6,6-dimethyl-4,5-dihydropyrano (2,3:7,6)]-isoflavone, and the known compounds lupinol C, 8-prenylnaringenin, macatrichocarpin A, alpinumisoflavone, and 2'-O-demethylbidwillol B substantially inhibited NO production in BV-2 microglial cells. In addition, 8-prenylnaringenin showed weak cytotoxicity with an IC50 value of 9.13 μM. This is the first report of PTP1B inhibitory activity for a coumaronochromone.
Collapse
Affiliation(s)
- Cai-Ying Liu
- School of Pharmacy, Nanchang University, 461 Bayi Road, Nanchang, 330006, People's Republic of China
| | - Pan Deng
- School of Pharmacy, Nanchang University, 461 Bayi Road, Nanchang, 330006, People's Republic of China
| | - Bin Wang
- School of Pharmacy, Nanchang University, 461 Bayi Road, Nanchang, 330006, People's Republic of China
| | - Ai-Hong Liu
- Center of Analysis and Testing, Nanchang University, Nanchang, 330047, People's Republic of China
| | - Meng-Ge Wang
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People's Republic of China
| | - Song-Wei Li
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, People's Republic of China
| | - Li-Li Chen
- Shanghai Frontiers Science Center for Chinese Medicine Chemical Biology, Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, People's Republic of China
| | - Shui-Chun Mao
- School of Pharmacy, Nanchang University, 461 Bayi Road, Nanchang, 330006, People's Republic of China.
| |
Collapse
|
3
|
Rahmawati R, Hartati YW, Latip JB, Herlina T. An overview of techniques and strategies for isolation of flavonoids from the genus Erythrina. J Sep Sci 2023:e2200800. [PMID: 36715692 DOI: 10.1002/jssc.202200800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 01/11/2023] [Accepted: 01/20/2023] [Indexed: 01/31/2023]
Abstract
Plants in the genus Erythrina is a potential source of chemical constituents, one of which is flavonoids, which have diverse bioactivities. To date, literature on the flavonoids from the genus Erythrina has only highlighted the phytochemical aspects, so this review article will discuss isolation techniques and strategies for the first time. More than 420 flavonoids have been reported in the Erythrina genus, which are grouped into 17 categories. These flavonoid compounds were obtained through isolation techniques and strategies using polar, semi-polar, and non-polar solvents. Various chromatographic techniques have been developed to isolate flavonoids using column flash chromatography, quick column chromatography, centrifugally accelerated thin-layer chromatography, radial chromatography, medium-pressure column chromatography, semi-preparative high-performance liquid chromatography, and preparative high-performance liquid chromatography. Chromatographic processes for isolating flavonoids can be optimized using multivariate statistical applications such as response surface methodology with central composite design, Box-Behnken design, Doehlert design, and mixture design.
Collapse
Affiliation(s)
- Rahmawati Rahmawati
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Padjadjaran University, Jatinangor, Indonesia.,Central Laboratory of the Directorate of Research and Community Service, Padjadjaran University, Jatinangor, Indonesia
| | - Yeni Wahyuni Hartati
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Padjadjaran University, Jatinangor, Indonesia
| | - Jalifah Binti Latip
- Department of Chemical Sciences, Faculty of Science & Technology, Universiti Kebangsaan Malaysia (UKM), Bangi, Selangor, Malaysia
| | - Tati Herlina
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Padjadjaran University, Jatinangor, Indonesia
| |
Collapse
|
4
|
Teka T, Zhang L, Ge X, Li Y, Han L, Yan X. Stilbenes: Source plants, chemistry, biosynthesis, pharmacology, application and problems related to their clinical Application-A comprehensive review. PHYTOCHEMISTRY 2022; 197:113128. [PMID: 35183567 DOI: 10.1016/j.phytochem.2022.113128] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 02/08/2022] [Accepted: 02/09/2022] [Indexed: 06/14/2023]
Abstract
Stilbenes are some of the important phenolic compounds originating from plant families like Vitaceae, Leguminaceae, Gnetaceae, and Dipterocarpaceae. Structurally, they have a C6-C2-C6 skeleton, usually with two isomeric forms. Stilbenes are biosynthesized due to biotic and abiotic stresses such as microbial infections, high temperatures, and oxidation. This review aims to provide a comprehensive overview of stilbenes' botanical sources, chemistry, biosynthetic pathways, pharmacology, and clinical applications and challenges based on up-to-date data. All included studies were collected from PubMed, ScienceDirect, Google Scholar, and CNKI, and the presented data from these indexed studies were analyzed and summarized. A total of 459 natural stilbene compounds from 45 plant families and 196 plant species were identified. Pharmacological studies also show that stilbenes have various activities such as anticancer, antimicrobial, antioxidant, anti-inflammatory, anti-degenerative diseases, anti-diabetic, neuroprotective, anti-aging, and cardioprotective effects. Stilbene synthase (STS) is the key enzyme involved in stilbene biosynthetic pathways. Studies on the therapeutic application of stilbenes pinpoint that challenges such as low bioavailability and isomerization are the major bottlenecks for their development as therapeutic drugs. Although the medicinal uses of several stilbenes have been demonstrated in vivo and in vitro, studies on the development of stilbenes deserve more attention in the future.
Collapse
Affiliation(s)
- Tekleab Teka
- State Key Laboratory of Component-based Chinese Medicine, Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, Jinghai District, Tianjin, 301617, PR China; Department of Pharmacy, College of Medicine and Health Sciences, Wollo University, P. O. Box 1145, Dessie, Ethiopia
| | - Lele Zhang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, Jinghai District, Tianjin, 301617, PR China
| | - Xiaoyan Ge
- State Key Laboratory of Component-based Chinese Medicine, Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, Jinghai District, Tianjin, 301617, PR China
| | - Yanjie Li
- State Key Laboratory of Component-based Chinese Medicine, Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, Jinghai District, Tianjin, 301617, PR China
| | - Lifeng Han
- State Key Laboratory of Component-based Chinese Medicine, Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, Jinghai District, Tianjin, 301617, PR China.
| | - Xiaohui Yan
- State Key Laboratory of Component-based Chinese Medicine, Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, Jinghai District, Tianjin, 301617, PR China.
| |
Collapse
|
5
|
Recent Updates on Development of Protein-Tyrosine Phosphatase 1B Inhibitors for Treatment of Diabetes, Obesity and Related Disorders. Bioorg Chem 2022; 121:105626. [DOI: 10.1016/j.bioorg.2022.105626] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 12/19/2021] [Accepted: 01/13/2022] [Indexed: 01/30/2023]
|
6
|
Parise A, De Simone BC, Marino T, Toscano M, Russo N. Quantum Mechanical Predictions of the Antioxidant Capability of Moracin C Isomers. Front Chem 2021; 9:666647. [PMID: 33968905 PMCID: PMC8097241 DOI: 10.3389/fchem.2021.666647] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 03/25/2021] [Indexed: 11/13/2022] Open
Abstract
The antioxidant capability of moracin C and iso-moracin C isomers against the OOH free radical was studied by applying density functional theory (DFT) and choosing the M05-2X exchange-correlation functional coupled with the all electron basis set, 6-311++G(d,p), for computations. Different reaction mechanisms [hydrogen atom transfer (HAT), single electron transfer (SET), and radical adduct formation (RAF)] were taken into account when considering water- and lipid-like environments. Rate constants were obtained by applying the conventional transition state theory (TST). The results show that, in water, scavenging activity mainly occurs through a radical addition mechanism for both isomers, while, in the lipid-like environment, the radical addition process is favored for iso-moracin C, while, redox- and non-redox-type reactions can equally occur for moracin C. The values of pKa relative to the deprotonation paths at physiological pH were predicted in aqueous solution.
Collapse
Affiliation(s)
- Angela Parise
- Dipartimento di Chimica e Tecnologie Chimiche, Università della Calabria, Rende, Italy
- Université Paris-Saclay, CNRS, Institut de Chimie Physique UMR8000, Orsay, France
| | - Bruna Clara De Simone
- Dipartimento di Chimica e Tecnologie Chimiche, Università della Calabria, Rende, Italy
| | - Tiziana Marino
- Dipartimento di Chimica e Tecnologie Chimiche, Università della Calabria, Rende, Italy
| | - Marirosa Toscano
- Dipartimento di Chimica e Tecnologie Chimiche, Università della Calabria, Rende, Italy
| | - Nino Russo
- Dipartimento di Chimica e Tecnologie Chimiche, Università della Calabria, Rende, Italy
| |
Collapse
|
7
|
Prabhakar PK, Sivakumar PM. Protein Tyrosine Phosphatase 1B Inhibitors: A Novel Therapeutic Strategy for the Management of type 2 Diabetes Mellitus. Curr Pharm Des 2020; 25:2526-2539. [PMID: 31333090 DOI: 10.2174/1381612825666190716102901] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 07/04/2019] [Indexed: 12/26/2022]
Abstract
Diabetes is one of the most common endocrine non-communicable metabolic disorders which is mainly caused either due to insufficient insulin or inefficient insulin or both together and is characterized by hyperglycemia. Diabetes emerged as a serious health issue in the industrialized and developing country especially in the Asian pacific region. Out of the two major categories of diabetes mellitus, type 2 diabetes is more prevalent, almost 90 to 95% cases, and the main cause of this is insulin resistance. The main cause of the progression of type 2 diabetes mellitus has been found to be insulin resistance. The type 2 diabetes mellitus may be managed by the change in lifestyle, physical activities, dietary modifications and medications. The major currently available management strategies are sulfonylureas, biguanides, thiazolidinediones, α-glucosidase inhibitors, dipeptidyl peptidase-IV inhibitors, and glucagon-like peptide-1 (GLP-1) agonist. Binding of insulin on the extracellular unit of insulin receptor sparks tyrosine kinase of the insulin receptor which induces autophosphorylation. The phosphorylation of the tyrosine is regulated by insulin and leptin molecules. Protein tyrosine phosphatase-1B (PTP1B) works as a negative governor for the insulin signalling pathways, as it dephosphorylates the tyrosine of the insulin receptor and suppresses the insulin signalling cascade. The compounds or molecules which inhibit the negative regulation of PTP1B can have an inductive effect on the insulin pathway and finally help in the management of diabetes mellitus. PTP1B could be an emerging therapeutic strategy for diabetes management. There are a number of clinical and basic research results which suggest that induced expression of PTP1B reduces insulin resistance. In this review, we briefly elaborate and explain the place of PTP1B and its significance in diabetes as well as a recent development in the PTP1B inhibitors as an antidiabetic therapy.
Collapse
Affiliation(s)
- Pranav K Prabhakar
- Research & Development, Lovely Professional University, Phagwara, Punjab-144411, India
| | - Ponnurengam M Sivakumar
- Center for Molecular Biology, Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang, Vietnam
| |
Collapse
|
8
|
Osteoarthritis Is a Low-Grade Inflammatory Disease: Obesity's Involvement and Herbal Treatment. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2019; 2019:2037484. [PMID: 31781260 PMCID: PMC6874989 DOI: 10.1155/2019/2037484] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 09/30/2019] [Accepted: 10/03/2019] [Indexed: 12/26/2022]
Abstract
Osteoarthritis (OA) is considered a major cause of disability around the globe. This handicapping disease causes important cartilage and bone alteration that is associated with serious pains and loss of joint function. Despite its frequent association with obesity, the aetiology of OA is not fully understood. In this review, the different aspects of OA and its correlation with obesity were analysed. Through examining different mechanisms by which obesity may trigger and/or exacerbate OA, we point out some relevant signalling pathways that may evolve as candidates for pharmacological drug development. As such, we also suggest a review of different herbal medicines (HMs) and their main compounds, which specifically interfere with the identified pathways. We have shown that obesity's involvement in OA is not only limited to the mechanical weight exerted on the joints (mechanical hypothesis), but also induces an inflammatory state by different mechanisms, including increased leptin expression, compromised gut mucosa, and/or gut microbiota disruption. The main signalling pathways involved in OA inflammation, which are associated with obesity, are protein tyrosine phosphatase 1B (PTP1B) and TLR4 or DAP12. Moreover, we also underline the contamination of plant extracts with LPS as an important factor to consider when studying HM's effects on articular cells. By summarizing recent publications, this review aims at highlighting newly established aspects of obesity involvement in OA other than the mechanical one.
Collapse
|
9
|
Eleftheriou P, Geronikaki A, Petrou A. PTP1b Inhibition, A Promising Approach for the Treatment of Diabetes Type II. Curr Top Med Chem 2019; 19:246-263. [PMID: 30714526 DOI: 10.2174/1568026619666190201152153] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 12/18/2018] [Accepted: 01/07/2019] [Indexed: 01/29/2023]
Abstract
BACKGROUND Diabetes Mellitus (DM), is a metabolic disorder characterized by high blood glucose levels. The main types of diabetes mellitus are Diabetes mellitus type I, Diabetes mellitus type II, gestational diabetes and Diabetes of other etiology. Diabetes type II, the Non Insulin Dependent Type (NIDDM) is the most common type, characterized by the impairment in activation of the intracellular mechanism leading to the insertion and usage of glucose after interaction of insulin with its receptor, known as insulin resistance. Although, a number of drugs have been developed for the treatment of diabetes type II, their ability to reduce blood glucose levels is limited, while several side effects are also observed. Furthermore, none of the market drugs targets the enhancement of the action of the intracellular part of insulin receptor or recuperation of the glucose transport mechanism in GLUT4 dependent cells. The Protein Tyrosine Phosphatase (PTP1b) is the main enzyme involved in insulin receptor desensitization and has become a drug target for the treatment of Diabetes type II. Several PTP1b inhibitors have already been found, interacting with the binding site of the enzyme, surrounding the catalytic amino acid Cys215 and the neighboring area or with the allosteric site of the enzyme, placed at a distance of 20 Å from the active site, around Phe280. However, the research continues for finding more potent inhibitors with increased cell permeability and specificity. OBJECTIVE The aim of this review is to show the attempts made in developing of Protein Tyrosine Phosphatase (PTP1b) inhibitors with high potency, selectivity and bioavailability and to sum up the indications for favorable structural characteristics of effective PTP1b inhibitors. METHODS The methods used include a literature survey and the use of Protein Structure Databanks such as PuBMed Structure and RCSB and the tools they provide. CONCLUSION The research for finding PTP1b inhibitors started with the design of molecules mimicking the Tyrosine substrate of the enzyme. The study revealed that an aromatic ring connected to a polar group, which preferably enables hydrogen bond formation, is the minimum requirement for small inhibitors binding to the active site surrounding Cys215. Molecules bearing two hydrogen bond donor/acceptor (Hb d/a) groups at a distance of 8.5-11.5 Å may form more stable complexes, interacting simultaneously with a secondary area A2. Longer molecules with two Hb d/a groups at a distance of 17 Å or 19 Å may enable additional interactions with secondary sites (B and C) that confer stability as well as specificity. An aromatic ring linked to polar or Hb d/a moieties is also required for allosteric inhibitors. A lower distance between Hb d/a moieties, around 7.5 Å may favor allosteric interaction. Permanent inhibition of the enzyme by oxidation of the catalytic Cys215 has also been referred. Moreover, covalent modification of Cys121, placed near but not inside the catalytic pocket has been associated with permanent inhibition of the enzyme.
Collapse
Affiliation(s)
- Phaedra Eleftheriou
- Department of Medical Laboratory Studies, School of Health and Medical Care, Alexander Technological Educational Institute of Thessaloniki, Thessaloniki 57400, Greece
| | - Athina Geronikaki
- Department of Pharmacy, School of Health, Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece
| | - Anthi Petrou
- Department of Pharmacy, School of Health, Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece
| |
Collapse
|
10
|
Eleftheriou P, Therianou E, Lazari D, Dirnali S, Micha A. Docking Assisted Prediction and Biological Evaluation of Sideritis L. Components with PTP1b Inhibitory Action and Probable Anti-Diabetic Properties. Curr Top Med Chem 2019; 19:383-392. [DOI: 10.2174/1568026619666190219104430] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2018] [Revised: 02/09/2019] [Accepted: 02/11/2019] [Indexed: 12/13/2022]
Abstract
Background:
The main characteristic of Diabetes type II is the impaired activation of intracellular
mechanisms triggered by the action of insulin. PTP1b is a Protein Tyrosine Phosphatase that
dephosphorylates insulin receptor causing its desensitization. Since inhibition of PTP1b may prolong
insulin receptor activity, PTP1b has become a drug target for the treatment of Diabetes II. Although a
number of inhibitors have been synthesized during the last decades, the research still continues for the
development of more effective and selective compounds. Moreover, several constituents of plants and
edible algae with PTP1b inhibitory action have been found, adding this extra activity at the pallet of
properties of the specific natural products.
Objective:
Sideritis L. (Lamiaceae) is a herbal plant growing around the Mediterranean sea which is included
in the Mediterranean diet for centuries. The present study is the continuation of a previous work
where the antioxidant and anti-inflammatory activities of the components of Sideritis L. were evaluated
and aimed to investigate the potential of some sideritis’s components to act as PTP1b inhibitors, thus
exhibiting the beneficial effect in the treatment of diabetes II.
Methods:
Docking analysis was done to predict PTP1b inhibitory action. Human recombinant PTP1b
enzyme was used for the evaluation of the PTP1b inhibitory action, while inhibition of the human LAR
and human T-cell PTP was tested for the estimation of the selectivity of the compounds.
Conclusion:
Docking analysis effectively predicted inhibition and mode of inhibitory action. According
to the experimental results, four of the components exhibited PTP1b inhibitory action. The most active
ones were acetoside, which acted as a competitive inhibitor, with an IC50 of 4 µM and lavandufolioside,
which acted as an uncompetitive inhibitor, with an IC50 of 9.3 µM. All four compounds exhibited increased
selectivity against PTP1b.
Collapse
Affiliation(s)
- Phaedra Eleftheriou
- Department of Medical Laboratory Studies, School of Health and Medical Care, Alexander Technological Educational Institute of Thessaloniki, ATEITH Campus, Sindos, 57400, Thessaloniki, Greece
| | - Ekaterini Therianou
- Department of Medical Laboratory Studies, School of Health and Medical Care, Alexander Technological Educational Institute of Thessaloniki, ATEITH Campus, Sindos, 57400, Thessaloniki, Greece
| | - Diamanto Lazari
- Laboratory of Pharmacognosy, Division of Pharmacognosy-Pharmacology, School of Pharmacy, Faculty of Health Sciences, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Stavroula Dirnali
- Department of Medical Laboratory Studies, School of Health and Medical Care, Alexander Technological Educational Institute of Thessaloniki, ATEITH Campus, Sindos, 57400, Thessaloniki, Greece
| | - Anna Micha
- Department of Medical Laboratory Studies, School of Health and Medical Care, Alexander Technological Educational Institute of Thessaloniki, ATEITH Campus, Sindos, 57400, Thessaloniki, Greece
| |
Collapse
|
11
|
Effect of Double Bond Position on 2-Phenyl-benzofuran Antioxidants: A Comparative Study of Moracin C and Iso-Moracin C. Molecules 2018; 23:molecules23040754. [PMID: 29587376 PMCID: PMC6017532 DOI: 10.3390/molecules23040754] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Revised: 03/16/2018] [Accepted: 03/22/2018] [Indexed: 02/02/2023] Open
Abstract
Two 2-phenyl-benzofurans, moracin C {2-[3′,5′-dihydroxy-4′-(3-methlbut-2-enyl)phenyl]-6-hydroxybenzofuran} and its isomer iso-moracin C{2-[3′,5′-dihydroxy-4′-(3-methlbut-1-enyl)phenyl]-6-hydroxybenzofuran}, were comparatively studied using redox-related antioxidant assays and non-redox antioxidant assays. Moracin C always resulted in higher IC50 values than iso-moracin C in the redox-related antioxidant assays, including •O2−-inhibition, Cu2+-reducing power, DPPH•-inhibition, and ABTS+•-inhibition assays. In the non-redox antioxidant assay, moracin C and iso-moracin C underwent similar radical-adduct-formation (RAF), evidenced by the peaks at m/z 704 and m/z 618 in HPLC-MS spectra. In conclusion, both moracin C and iso-moracin C can act as 2-phenyl-benzofuran antioxidants; their antioxidant mechanisms may include redox-related ET and H+-transfer, and non-redox RAF. A double bond at the conjugation position can enhance the redox-related antioxidant potential, but hardly affects the RAF potential.
Collapse
|
12
|
Protein tyrosine phosphatase 1B inhibitors from natural sources. Arch Pharm Res 2017; 41:130-161. [PMID: 29214599 DOI: 10.1007/s12272-017-0997-8] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Accepted: 11/26/2017] [Indexed: 01/25/2023]
Abstract
Since PTP1B enzyme was discovered in 1988, it has captured the research community's attention. This landmark discovery has stimulated numerous research studies on a variety of human diseases, including cancer, inflammation, and diabetes. Tremendous progress has been made in finding PTP1B inhibitors and exploring PTP1B regulatory mechanisms. This review investigates for the natural PTP1B inhibitors, and focuses on the common characteristics of the discovered structures and structure-activity relationships. To facilitate understanding, all the natural compounds are here divided into five different classes (fatty acids, phenolics, terpenoids, steroids, and alkaloids), according to their skeletons. These PTP1B inhibitors of scaffold structures could serve as a theoretical basis for new concept drug discovery and design.
Collapse
|
13
|
Li K, Ji S, Song W, Kuang Y, Lin Y, Tang S, Cui Z, Qiao X, Yu S, Ye M. Glycybridins A-K, Bioactive Phenolic Compounds from Glycyrrhiza glabra. JOURNAL OF NATURAL PRODUCTS 2017; 80:334-346. [PMID: 28140583 DOI: 10.1021/acs.jnatprod.6b00783] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In an attempt to discover bioactive agents from the herbal medicine Glycyrrhiza glabra (widely known as licorice), 11 new phenolic compounds, glycybridins A-K (1-11), along with 47 known phenolics (12-58) were isolated. Their structures were elucidated on the basis of extensive NMR and MS analyses as well as experimental and computed ECD data. According to the clinical therapeutic effects of licorice, enzyme or cell-based bioactivity screenings of 1-58 were conducted. A number of compounds significantly activate Nrf2, inhibit tyrosinase or PTP1B, inhibit LPS-induced NO production and NF-κB transcription, and inhibit the proliferation of human cancer cells (HepG2, SW480, A549, MCF7). Glycybridin D (4) showed moderate cytotoxic activities against the four cancer cell lines, with IC50 values ranging from 4.6 to 6.6 μM. Further studies indicated that 4 (10 mg/kg, ip) decreased tumor mass by 39.7% on an A549 human lung carcinoma xenograft mice model, but showed little toxicity.
Collapse
Affiliation(s)
- Kai Li
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University , 38 Xueyuan Road, Beijing 100191, People's Republic of China
| | - Shuai Ji
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University , 38 Xueyuan Road, Beijing 100191, People's Republic of China
| | - Wei Song
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University , 38 Xueyuan Road, Beijing 100191, People's Republic of China
| | - Yi Kuang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University , 38 Xueyuan Road, Beijing 100191, People's Republic of China
| | - Yan Lin
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University , 38 Xueyuan Road, Beijing 100191, People's Republic of China
| | - Shunan Tang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University , 38 Xueyuan Road, Beijing 100191, People's Republic of China
| | - Zexu Cui
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University , 38 Xueyuan Road, Beijing 100191, People's Republic of China
| | - Xue Qiao
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University , 38 Xueyuan Road, Beijing 100191, People's Republic of China
| | - Siwang Yu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University , 38 Xueyuan Road, Beijing 100191, People's Republic of China
| | - Min Ye
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University , 38 Xueyuan Road, Beijing 100191, People's Republic of China
| |
Collapse
|
14
|
Heravi M, Zadsirjan V, Hamidi H, Tabar Amiri PH. Total synthesis of natural products containing benzofuran rings. RSC Adv 2017. [DOI: 10.1039/c7ra03551a] [Citation(s) in RCA: 101] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
In this review, various approaches for the construction of benzofurans as an important moiety in different natural products during the total synthesis of the natural of products are underscored.
Collapse
Affiliation(s)
- Majid M. Heravi
- Department of Chemistry
- School of Sciences
- Alzahra University
- Tehran
- Iran
| | - Vahideh Zadsirjan
- Department of Chemistry
- School of Sciences
- Alzahra University
- Tehran
- Iran
| | - Hoda Hamidi
- Department of Chemistry
- School of Sciences
- Alzahra University
- Tehran
- Iran
| | | |
Collapse
|
15
|
Ma Y, Zheng X, Gao H, Wan C, Rao G, Mao Z. Design, Synthesis, and Biological Evaluation of Novel Benzofuran Derivatives Bearing N-Aryl Piperazine Moiety. Molecules 2016; 21:molecules21121684. [PMID: 27941680 PMCID: PMC6274084 DOI: 10.3390/molecules21121684] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Revised: 11/27/2016] [Accepted: 12/01/2016] [Indexed: 12/14/2022] Open
Abstract
A series of novel hybrid compounds between benzofuran and N-aryl piperazine have been synthesized and screened in vitro for anti-inflammatory activity in lipopolysaccharide (LPS)-stimulated RAW-264.7 macrophages and for anticancer activity against three human tumor cell lines. The results demonstrated that derivative 16 not only had inhibitory effect on the generation of NO (IC50 = 5.28 μM), but also showed satisfactory and selective cytotoxic activity against human lung cancer line (A549) and gastric cancer cell (SGC7901) (IC50 = 0.12 μM and 2.75 μM, respectively), which was identified as the most potent anti-inflammatory and anti-tumor agent in this study.
Collapse
Affiliation(s)
- Yulu Ma
- Key Laboratory of Medicinal Chemistry for Natural Resource Education Ministry, School of Chemical Science and Technology, Yunnan University, Kunming 650091, China.
| | - Xi Zheng
- Central Laboratory, The No. 1 Affiliated Hospital of Yunnan University of Traditional Chinese Medicine, Kunming 650021, China.
| | - Hui Gao
- School of Traditional Chinese Medicine, Yunnan University of Traditional Chinese Medicine, Kunming 650500, China.
| | - Chunping Wan
- Central Laboratory, The No. 1 Affiliated Hospital of Yunnan University of Traditional Chinese Medicine, Kunming 650021, China.
| | - Gaoxiong Rao
- School of Traditional Chinese Medicine, Yunnan University of Traditional Chinese Medicine, Kunming 650500, China.
| | - Zewei Mao
- School of Traditional Chinese Medicine, Yunnan University of Traditional Chinese Medicine, Kunming 650500, China.
| |
Collapse
|
16
|
Mao ZW, Zheng X, Lin YP, Hu CY, Wang XL, Wan CP, Rao GX. Design, synthesis and anticancer activity of novel hybrid compounds between benzofuran and N-aryl piperazine. Bioorg Med Chem Lett 2016; 26:3421-4. [PMID: 27371110 DOI: 10.1016/j.bmcl.2016.06.055] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2016] [Revised: 06/16/2016] [Accepted: 06/21/2016] [Indexed: 11/16/2022]
Abstract
A series of novel hybrid compounds between benzofuran and N-aryl piperazine have been designed and prepared. These derivatives were evaluated for their in vitro anti-tumor activity against a panel of human tumor cell lines by MTT assay. The results demonstrated that amide derivatives were more bioactive than sulfonamide compounds in general, and that chloro or trifluoromethyl substituent was vital for modulating cytotoxic activity. In particular, compound 13 was found to be the most potent compound against 4 strains human tumor cell lines, and exhibited cytotoxic activity selectively against Hela (0.03μM).
Collapse
Affiliation(s)
- Ze-Wei Mao
- School of Traditional Chinese Medicine, Yunnan University of Traditional Chinese Medicine, Kunming 650500, PR China
| | - Xi Zheng
- Central Laboratory, The No. 1 Affiliated Hospital of Yunnan University of Traditional Chinese Medicine, Kunming 650021, PR China
| | - Yu-Ping Lin
- School of Traditional Chinese Medicine, Yunnan University of Traditional Chinese Medicine, Kunming 650500, PR China
| | - Chun-Yan Hu
- School of Traditional Chinese Medicine, Yunnan University of Traditional Chinese Medicine, Kunming 650500, PR China
| | - Xiu-Li Wang
- School of Traditional Chinese Medicine, Yunnan University of Traditional Chinese Medicine, Kunming 650500, PR China
| | - Chun-Ping Wan
- Central Laboratory, The No. 1 Affiliated Hospital of Yunnan University of Traditional Chinese Medicine, Kunming 650021, PR China.
| | - Gao-Xiong Rao
- School of Traditional Chinese Medicine, Yunnan University of Traditional Chinese Medicine, Kunming 650500, PR China.
| |
Collapse
|
17
|
Tamrakar AK, Maurya CK, Rai AK. PTP1B inhibitors for type 2 diabetes treatment: a patent review (2011 - 2014). Expert Opin Ther Pat 2014; 24:1101-15. [PMID: 25120222 DOI: 10.1517/13543776.2014.947268] [Citation(s) in RCA: 96] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
INTRODUCTION Protein tyrosine phosphatase 1B (PTP1B) plays an important role in the negative regulation of insulin signal transduction pathway and has emerged as novel therapeutic strategy for the treatment of type 2 diabetes. PTP1B inhibitors enhance the sensibility of insulin receptor (IR) and have favorable curing effect for insulin resistance-related diseases. A large number of PTP1B inhibitors, either synthetic or isolated as bioactive agents from natural products, have developed and investigated for their ability to stimulate insulin signaling. AREAS COVERED This review includes an updated summary (2011 - 2014) of PTP1B inhibitors that have been published in patent applications, with an emphasis on their chemical structure, mode of action and therapeutic outcomes. The usefulness of PTP1B inhibitors as pharmaceutical agents for the treatment of type 2 diabetes is also discussed. EXPERT OPINION PTP1B inhibitors show beneficial effects to enhance sensibility of IR by restricting the activity of enzyme and have favorable curing effects. However, structural homologies in the catalytic domain of PTP1B with other protein tyrosine phosphatases (PTPs) like leukocyte common antigen-related, CD45, SHP-2 and T-cell-PTP present a challenging task of achieving selectivity. Thus, for therapeutic application of PTP1B inhibitors, highly selective molecules exhibiting desired effects without side effects are expected to find clinical application.
Collapse
Affiliation(s)
- Akhilesh Kumar Tamrakar
- CSIR-Central Drug Research Institute, Division of Biochemistry , Sector-10, Jankipuram Extension, Sitapur Road, Lucknow-226001 , India +91 0522 2772550 Ext. 4635 ; +91 0522 2771941 ; CSIR-CDRI communication number: 8743
| | | | | |
Collapse
|
18
|
Ma Y, Jin YY, Wang YL, Wang RL, Lu XH, Kong DX, Xu WR. The Discovery of a Novel and Selective Inhibitor of PTP1B Over TCPTP: 3D QSAR Pharmacophore Modeling, Virtual Screening, Synthesis, and Biological Evaluation. Chem Biol Drug Des 2014; 83:697-709. [DOI: 10.1111/cbdd.12283] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Ying Ma
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics); School of Pharmacy; Tianjin Medical University; Tianjin 300070 China
| | - Yuan-Yuan Jin
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics); School of Pharmacy; Tianjin Medical University; Tianjin 300070 China
| | - Ye-Liu Wang
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics); School of Pharmacy; Tianjin Medical University; Tianjin 300070 China
| | - Run-Ling Wang
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics); School of Pharmacy; Tianjin Medical University; Tianjin 300070 China
| | - Xin-Hua Lu
- New Drug Research and Development Center; North China Pharmaceutical Group Corporation; 388 Heping East Road Shijiazhuang Hebei 050015 China
| | - De-Xin Kong
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics; School of Pharmaceutical Sciences and Research Center of Basic Medical Sciences; Tianjin Medical University; Tianjin 300070 China
| | - Wei-Ren Xu
- Tianjin Institute of Pharmaceutical Research (TIPR); Tianjin 300193 China
| |
Collapse
|
19
|
Rivière C, Pawlus AD, Mérillon JM. Natural stilbenoids: distribution in the plant kingdom and chemotaxonomic interest in Vitaceae. Nat Prod Rep 2013; 29:1317-33. [PMID: 23014926 DOI: 10.1039/c2np20049j] [Citation(s) in RCA: 224] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Stilbenoids, a family of polyphenols known for the complexity of their structure and for their diverse biological activities, occur with a limited but heterogeneous distribution in the plant kingdom. The most prominent stilbene containing plant family, the Vitaceae, represented by the famous wine producing grape vines Vitis vinifera L., is one of the richest sources of novel stilbenes currently known, together with other families, such as Dipterocarpaceae, Gnetaceae and Fabaceae. This review focuses on the distribution of stilbenes and 2-arylbenzofuran derivatives in the plant kingdom, the chemical structure of stilbenes in the Vitaceae family and their taxonomic implication.
Collapse
Affiliation(s)
- Céline Rivière
- Université de Bordeaux, Groupe d'Etude des Substances Végétales à Activité Biologique (GESVAB), EA 3675, Institut des Sciences de la Vigne et du Vin, 210 Chemin de Leysotte, CS 50008, F-33882 Villenave d'Ornon Cedex, France.
| | | | | |
Collapse
|
20
|
Jiang CS, Liang LF, Guo YW. Natural products possessing protein tyrosine phosphatase 1B (PTP1B) inhibitory activity found in the last decades. Acta Pharmacol Sin 2012; 33:1217-45. [PMID: 22941286 PMCID: PMC4002712 DOI: 10.1038/aps.2012.90] [Citation(s) in RCA: 153] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2012] [Accepted: 06/08/2012] [Indexed: 12/19/2022] Open
Abstract
This article provides an overview of approximately 300 secondary metabolites with inhibitory activity against protein tyrosine phosphatase 1B (PTP1B), which were isolated from various natural sources or derived from synthetic process in the last decades. The structure-activity relationship and the selectivity of some compounds against other protein phosphatases were also discussed. Potential pharmaceutical applications of several PTP1B inhibitors were presented.
Collapse
Affiliation(s)
- Cheng-shi Jiang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Lin-fu Liang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Yue-wei Guo
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| |
Collapse
|
21
|
Design, synthesis and cytotoxic activities of novel hybrid compounds between 2-phenylbenzofuran and imidazole. Bioorg Med Chem Lett 2012; 22:2726-9. [PMID: 22440627 DOI: 10.1016/j.bmcl.2012.02.094] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2012] [Revised: 02/27/2012] [Accepted: 02/28/2012] [Indexed: 11/22/2022]
Abstract
A series of novel hybrid compounds between 2-phenylbenzofuran and imidazole have been prepared and evaluated in vitro against a panel of human tumor cell lines. The results suggest that substitution of the imidazolyl-3-position with a naphthylacyl or bromophenacyl group, were vital for modulating cytotoxic activity. In particular, hybrid compound 15 was found to be the most potent compound against 4 strains human tumor cell lines and more active than cisplatin (DDP), and exhibited cytotoxic activity selectively against liver carcinoma (SMMC-7721).
Collapse
|
22
|
Shi D, Li J, Jiang B, Guo S, Su H, Wang T. Bromophenols as inhibitors of protein tyrosine phosphatase 1B with antidiabetic properties. Bioorg Med Chem Lett 2012; 22:2827-32. [PMID: 22444684 DOI: 10.1016/j.bmcl.2012.02.074] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2011] [Revised: 02/13/2012] [Accepted: 02/23/2012] [Indexed: 11/16/2022]
Abstract
A series of bromophenol derivatives were synthesized and evaluated as protein tyrosine phosphatase 1B (PTP1B) inhibitors in vitro and in vivo based on bromophenol 4e (IC(50)=2.42 μmol/L), which was isolated from red algae Rhodomela confervoides. The results showed that all of the synthesized compounds displayed weak to good PTP1B inhibition at tested concentration. Among them, highly brominated compound 4g exhibited promising inhibitory activity against PTP1B with IC(50) 0.68 μmol/L, which was approximately fourfold more potent than lead compound 4e. Further, compound 4g demonstrated high selectivity against other PTPs (TCPTP, LAR, SHP-1 and SHP-2). More importantly, in vivo antidiabetic activities investigations of compound 4g also demonstrated inspiring results.
Collapse
Affiliation(s)
- Dayong Shi
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China.
| | | | | | | | | | | |
Collapse
|
23
|
Carrër A, Florent JC, Auvrouin E, Rousselle P, Bertounesque E. Synthesis of 3-Aryl-2-arylamidobenzofurans Based on the Curtius Rearrangement. J Org Chem 2011; 76:2502-20. [DOI: 10.1021/jo102265b] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Amandine Carrër
- CNRS UMR 176, 26 rue d’Ulm, 75248 Paris, France
- Institut Curie, Centre de Recherche, 26 rue d’Ulm, 75248 Paris, France
| | - Jean-Claude Florent
- CNRS UMR 176, 26 rue d’Ulm, 75248 Paris, France
- Institut Curie, Centre de Recherche, 26 rue d’Ulm, 75248 Paris, France
| | | | - Patricia Rousselle
- Institut de Biologie et de Chimie des Protéines, CNRS UMR 5086, 7, passage du Vercors, 69367 Lyon, France
| | - Emmanuel Bertounesque
- CNRS UMR 176, 26 rue d’Ulm, 75248 Paris, France
- Institut Curie, Centre de Recherche, 26 rue d’Ulm, 75248 Paris, France
| |
Collapse
|
24
|
Lee HJ, Kim SH, Lee YR, Wang X, Lyoo WS. Concise Synthesis of Stemofurans A, C, and Derivatives. B KOREAN CHEM SOC 2010. [DOI: 10.5012/bkcs.2010.31.10.3027] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
|
25
|
Thareja S, Aggarwal S, Bhardwaj TR, Kumar M. Protein Tyrosine Phosphatase 1B Inhibitors: A Molecular Level Legitimate Approach for the Management of Diabetes Mellitus. Med Res Rev 2010; 32:459-517. [DOI: 10.1002/med.20219] [Citation(s) in RCA: 84] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Suresh Thareja
- University Institute of Pharmaceutical Sciences; Panjab University; 160 014; Chandigarh; India
| | - Saurabh Aggarwal
- University Institute of Pharmaceutical Sciences; Panjab University; 160 014; Chandigarh; India
| | | | - Manoj Kumar
- University Institute of Pharmaceutical Sciences; Panjab University; 160 014; Chandigarh; India
| |
Collapse
|
26
|
Protein tyrosine phosphatase 1B inhibitors isolated from Morus bombycis. Bioorg Med Chem Lett 2009; 19:6759-61. [DOI: 10.1016/j.bmcl.2009.09.102] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2009] [Revised: 09/01/2009] [Accepted: 09/25/2009] [Indexed: 11/18/2022]
|
27
|
Yoon G, Lee W, Kim SN, Cheon SH. Inhibitory effect of chalcones and their derivatives from Glycyrrhiza inflata on protein tyrosine phosphatase 1B. Bioorg Med Chem Lett 2009; 19:5155-7. [DOI: 10.1016/j.bmcl.2009.07.054] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2009] [Revised: 07/02/2009] [Accepted: 07/03/2009] [Indexed: 11/30/2022]
|
28
|
Abstract
Natural stilbenes have been a hot research topic due to their intricate structures and diverse biological activities. Although their molecular backbone consists only of 1,2-diphenylethylene units, stilbenes show an enormous diversity with regard to the different units present, the degree of polymerisation, and the pattern of oligomer construction. From January 1995 to the end of 2008, more than 400 new naturally occurring stilbenes were isolated and identified, and this review focuses on their structural diversity, distribution, and bioactivity.
Collapse
Affiliation(s)
- Tao Shen
- Department of Natural Product Chemistry, School of Pharmaceutical Sciences, Shandong University, 44 West Wenhua Road, Jinan, 250012, P. R. China
| | | | | |
Collapse
|
29
|
Cui L, Thuong PT, Fomum ZT, Oh WK. A new erythrinan alkaloid from the seed of Erythrina addisoniae. Arch Pharm Res 2009; 32:325-8. [DOI: 10.1007/s12272-009-1302-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2007] [Revised: 03/04/2009] [Accepted: 03/05/2009] [Indexed: 10/20/2022]
|
30
|
Isolation of betulinic acid, its methyl ester and guaiane sesquiterpenoids with protein tyrosine phosphatase 1B inhibitory activity from the roots of Saussurea lappa C.B.Clarke. Molecules 2009; 14:266-72. [PMID: 19136914 PMCID: PMC6267619 DOI: 10.3390/molecules14010266] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2008] [Revised: 12/26/2008] [Accepted: 01/04/2009] [Indexed: 11/29/2022] Open
Abstract
Activity-guided fractionation of a MeOH extract of the roots of Saussurea lappa C.B.Clarke (Compositae), using an in vitro protein tyrosine phosphatase 1B (PTP1B) inhibition assay, led to the isolation of four active constituents: betulinic acid (1), betulinic acid methyl ester (2), mokko lactone (3) and dehydrocostuslactone (4), along with nine inactive compounds. Our findings indicate that betulinic acid (1) and its methyl ester 2, as well as the two guaiane sesquiterpenoids 3 and 4 are potential lead moieties for the development of new PTP1B inhibitors.
Collapse
|
31
|
|
32
|
Jang J, Na M, Thuong PT, Njamen D, Mbafor JT, Fomum ZT, Woo ER, Oh WK. Prenylated Flavonoids with PTP1B Inhibitory Activity from the Root Bark of Erythrina mildbraedii. Chem Pharm Bull (Tokyo) 2008; 56:85-8. [DOI: 10.1248/cpb.56.85] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- JunPil Jang
- Korea Research Institute of Bioscience and Biotechnology (KRIBB)
| | - MinKyun Na
- Korea Research Institute of Bioscience and Biotechnology (KRIBB)
| | | | | | | | | | | | | |
Collapse
|