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Li L, Huang L, Lei R, Zhang P, Yang Y, Liu H, Zhang Y. DEHP and DBP, common phthalates, induce glucose metabolism disorders in rats via oxidative damage of PI3K/Akt/GLUT4 signaling. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 341:122948. [PMID: 37977363 DOI: 10.1016/j.envpol.2023.122948] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 10/28/2023] [Accepted: 11/13/2023] [Indexed: 11/19/2023]
Abstract
Phthalic acid esters (PAEs) are environmental endocrine disruptors thought to interfere with glucose metabolism in humans. Most of the related research has focused on population epidemiological studies, with the underlying mechanisms remaining unresolved. Using an in vivo animal model, we examined the effects of oral administration of two commonly used PAEs [di(2-ethylhexyl) phthalate (DEHP) and dibutyl phthalate (DBP)] on glucose homeostasis and insulin secretion. DEHP (750 mg/kg, 1/40 LD50), DBP (500 mg/kg, 1/40 LD50), and DEHP (750 mg/kg) + DBP (500 mg/kg) exert an influence on glucose metabolism and elicit a reduction in insulin sensitivity in rats. Furthermore, these substances induce detrimental effects on the structure and functionality of pancreatic β-cells. DEHP and/or DBP triggered an increase in plasma malondialdehyde (MDA) and reduction in superoxide dismutase (SOD) activity; a reduction in the phosphorylation of phosphatidyl inositol 3 kinase (PI3K) and phospho-protein kinase B (p-Akt473) proteins; an increase in the relative expression of Bax, Caspase-8, cleaved-Caspase-9, and cleaved-Caspase-3; and a reduction in the relative expression of Bcl-2-related Bax in pancreatic tissue and of gastrocnemius glucose transporter 4 (GLUT4) in the gastrocnemius muscle. Based on these findings, these PAEs can disrupt glucose metabolism, possibly via oxidative damage of the PI3K/Akt/GLUT4 pathway; this damage induces pancreatic β-cell apoptosis, affects pancreatic β-cell function, and affects glucose metabolism and insulin resistance in rats. To the best of our knowledge, this study was the first to show that the combined effect of the two PAEs affects glucose metabolism and insulin resistance in rats that is significantly higher than the effects of each PAE. Thus, safety standards and studies do not consider this effect as a significant oversight when blending PAEs. We assert that this must be addressed and corrected for establishing more impactful and safer standards.
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Affiliation(s)
- Liping Li
- Key Laboratory of Environmental Factors and Chronic Disease Control, Ningxia Medical University, Yinchuan, 750004, Ningxia, China; School of Public Health, Ningxia Medical University, Yinchuan, 750004, Ningxia, China.
| | - Lingyan Huang
- Department of Pathology, General Hospital of Ningxia Medical University, Yinchuan, 750004, Ningxia, China.
| | - Ruichen Lei
- Key Laboratory of Environmental Factors and Chronic Disease Control, Ningxia Medical University, Yinchuan, 750004, Ningxia, China; School of Public Health, Ningxia Medical University, Yinchuan, 750004, Ningxia, China.
| | - Pengju Zhang
- Key Laboratory of Environmental Factors and Chronic Disease Control, Ningxia Medical University, Yinchuan, 750004, Ningxia, China; School of Public Health, Ningxia Medical University, Yinchuan, 750004, Ningxia, China.
| | - Yi Yang
- Key Laboratory of Environmental Factors and Chronic Disease Control, Ningxia Medical University, Yinchuan, 750004, Ningxia, China; School of Public Health, Ningxia Medical University, Yinchuan, 750004, Ningxia, China.
| | - Herong Liu
- Key Laboratory of Environmental Factors and Chronic Disease Control, Ningxia Medical University, Yinchuan, 750004, Ningxia, China; School of Public Health, Ningxia Medical University, Yinchuan, 750004, Ningxia, China.
| | - Yuhong Zhang
- Key Laboratory of Environmental Factors and Chronic Disease Control, Ningxia Medical University, Yinchuan, 750004, Ningxia, China; School of Public Health, Ningxia Medical University, Yinchuan, 750004, Ningxia, China.
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Nainu F, Frediansyah A, Mamada SS, Permana AD, Salampe M, Chandran D, Emran TB, Simal-Gandara J. Natural products targeting inflammation-related metabolic disorders: A comprehensive review. Heliyon 2023; 9:e16919. [PMID: 37346355 PMCID: PMC10279840 DOI: 10.1016/j.heliyon.2023.e16919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 05/31/2023] [Accepted: 06/01/2023] [Indexed: 06/23/2023] Open
Abstract
Currently, the incidence of metabolic disorders is increasing, setting a challenge to global health. With major advancement in the diagnostic tools and clinical procedures, much has been known in the etiology of metabolic disorders and their corresponding pathophysiologies. In addition, the use of in vitro and in vivo experimental models prior to clinical studies has promoted numerous biomedical breakthroughs, including in the discovery and development of drug candidates to treat metabolic disorders. Indeed, chemicals isolated from natural products have been extensively studied as prospective drug candidates to manage diabetes, obesity, heart-related diseases, and cancer, partly due to their antioxidant and anti-inflammatory properties. Continuous efforts have been made in parallel to improve their bioactivity and bioavailability using selected drug delivery approaches. Here, we provide insights on recent progress in the role of inflammatory-mediated responses on the initiation of metabolic disorders, with particular reference to diabetes mellitus, obesity, heart-related diseases, and cancer. In addition, we discussed the prospective role of natural products in the management of diabetes, obesity, heart-related diseases, and cancers and provide lists of potential biological targets for high throughput screening in drug discovery and development. Lastly, we discussed findings observed in the preclinical and clinical studies prior to identifying suitable approaches on the phytochemical drug delivery systems that are potential to be used in the treatment of metabolic disorders.
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Affiliation(s)
- Firzan Nainu
- Department of Pharmacy, Faculty of Pharmacy, Hasanuddin University, Tamalanrea, Makassar 90245, Indonesia
| | - Andri Frediansyah
- Research Center for Food Technology and Processing (PRTPP), National Research and Innovation Agency (BRIN), Yogyakarta 55861, Indonesia
| | - Sukamto S. Mamada
- Department of Pharmacy, Faculty of Pharmacy, Hasanuddin University, Tamalanrea, Makassar 90245, Indonesia
| | - Andi Dian Permana
- Department of Pharmaceutical Science and Technology, Faculty of Pharmacy, Hasanuddin University, Tamalanrea, Makassar 90245, Indonesia
| | | | - Deepak Chandran
- Department of Veterinary Sciences and Animal Husbandry, Amrita School of Agricultural Sciences, Amrita Vishwa Vidyapeetham University, Coimbatore 642109, India
| | - Talha Bin Emran
- Department of Pathology and Laboratory Medicine, Warren Alpert Medical School & Legorreta Cancer Center, Brown University, Providence, RI 02912, USA
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong 4381, Bangladesh
| | - Jesus Simal-Gandara
- Universidade de Vigo, Nutrition and Bromatology Group, Analytical Chemistry and Food Science Department, Faculty of Science, E32004 Ourense, Spain
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Duman KE, Dogan A, Kaptaner B. Ameliorative role of Cyanus depressus (M.Bieb.) Soják plant extract against diabetes-associated oxidative-stress-induced liver, kidney, and pancreas damage in rats. J Food Biochem 2022; 46:e14314. [PMID: 35802765 DOI: 10.1111/jfbc.14314] [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: 03/22/2022] [Revised: 05/26/2022] [Accepted: 06/03/2022] [Indexed: 11/29/2022]
Abstract
In this original article, we aimed to assess the ameliorative role of Cyanus depressus (CD) plant ethanolic extract treatment of streptozotocin (STZ)-induced liver, kidney, and pancreas damage in rats. The rats were divided into five groups (n = 7): control, CD, Diabetes mellitus (DM), DM + CD, and DM + glibenclamide (Gly). The DM groups were injected with a single dose of 50 mg/kg STZ intraperitoneally (i.p.). While the CD and DM + CD groups received 400 mg/kg/day intragastrically for 21 days, the DM + Gly group received 3 mg/kg/day of Gly intragastrically throughout the experiment. Statistically significance was accepted as p < .05. According to our liquid chromatography-mass spectrometry/mass spectrometry (LC-MS/MS) data, quinic acid, cosmosiin, nicotiflorin, apigenin, and protocatechuic acid were the major compounds, in descending order. Weekly blood glucose, serum glucose, aspartate aminotransferase (AST), alanine aminotransferase (ALT), lactate dehydrogenase (LDH) and urea, malondialdehyde (MDA) (liver and pancreas), and blood glycosylated hemoglobin % (HbA1c %) were significantly decreased, whereas finally live body weights (LBWs), reduced glutathione (GSH), glutathione S-transferase (GST) and catalase (CAT) (pancreas), and pancreatic islet diameter and area were increased significantly in the CD-treated diabetic group. Moreover, CD administration was found to be effective in the protection of the histology of the liver, kidneys, and pancreatic islets in the STZ-induced rats. Consequently, we concluded that CD administration reduces hyperglycemia, oxidative stress, and histopathology in STZ-induced experimental rats by improving antioxidant defenses. PRACTICAL APPLICATIONS: Today, the prevalence of diabetes is increasing rapidly throughout the world and it causes complications such as kidney damage, blindness, amputations, and cardiovascular diseases. Despite medical technological advances, people's interest in medicinal herbal products is gradually increasing. Biochemical and histopathological findings showed that the use of the plant CD at the determined dose (400 mg/kg/day) in rats with DM by STZ had strong antioxidant and antidiabetic effects. CD may have a drug potential in preventing DM and its complications because of its phytochemical content including some phenolic acids such as quinic acid, cosmosiin, nicotiflorin, apigenin, and protocatechuic acid. Isolation of bioactive compounds from CD and investigation of their therapeutic effects could be planned as further studies.
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Affiliation(s)
- Kendal Erdem Duman
- Department of Basic Sciences Pharmacy, Institute of Health Sciences, Van Yuzuncu Yil University, Van, Turkey
| | - Abdulahad Dogan
- Department of Biochemistry, Faculty of Pharmacy, Van Yuzuncu Yil University, Van, Turkey
| | - Burak Kaptaner
- Department of Biology, Faculty of Science, Van Yuzuncu Yil University, Van, Turkey
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Lee D, Kim JY, Kwon HC, Kwon J, Jang DS, Kang KS. Dual Beneficial Effects of α-Spinasterol Isolated from Aster pseudoglehnii on Glucose Uptake in Skeletal Muscle Cells and Glucose-Stimulated Insulin Secretion in Pancreatic β-Cells. PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11050658. [PMID: 35270128 PMCID: PMC8912510 DOI: 10.3390/plants11050658] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/25/2022] [Accepted: 02/25/2022] [Indexed: 05/14/2023]
Abstract
Herein, we determined whether α-Spinasterol, a stigmastane-type phytosterol isolated from Aster pseudoglehnii, potentially impacts glucose uptake and glucose-stimulated insulin secretion in skeletal muscle cells and pancreatic β-cells, respectively. We observed that A. pseudoglehnii and its fractions enhanced glucose uptake, with no toxic effects on C2C12 cells, with the n-hexane fraction exhibiting the most potent effect. α-Spinasterol, isolated from the n-hexane fraction, enhanced glucose uptake with no toxic effects on C2C12 cells. Additionally, α-Spinasterol increased the expression of associated proteins, including insulin receptor substrate-1, AMP-activated protein kinase, and glucose transporter type 4, as determined by Western blotting. Furthermore, α-Spinasterol enhanced insulin secretion in response to high glucose concentrations, with no toxic effects on INS-1 cells; this effect was superior to that demonstrated by gliclazide (positive control), commonly prescribed to treat type 2 diabetes (T2D). α-Spinasterol enhanced the expression of associated proteins, including insulin receptor substrate-2, peroxisome proliferator-activated receptor γ, and pancreatic and duodenal homeobox 1, as determined using Western blotting. The insulin secretory effect of α-Spinasterol was enhanced by a K+ channel blocker and L-type Ca2+ channel agonist and was suppressed by a K+ channel activator and L-type Ca2+ channel blocker. α-Spinasterol isolated from A. pseudoglehnii may improve hyperglycemia by improving glucose uptake into skeletal muscle cells and enhancing insulin secretion in pancreatic β-cells. Accordingly, α-Spinasterol could be a potential candidate for anti-T2D therapy.
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Affiliation(s)
- Dahae Lee
- Cooperative-Center of Natural Product Central Bank for Biological Evaluation, College of Korean Medicine, Gachon University, Seongnam 13120, Korea;
| | - Ji-Young Kim
- Department of Biomedical and Pharmaceutical Sciences, Graduate School, Kyung Hee University, Seoul 02447, Korea;
| | - Hak Cheol Kwon
- KIST Gangneung Institute of Natural Products, Korea Institute of Science and Technology (KIST), Gangneung 25451, Korea; (H.C.K.); (J.K.)
| | - Jaeyoung Kwon
- KIST Gangneung Institute of Natural Products, Korea Institute of Science and Technology (KIST), Gangneung 25451, Korea; (H.C.K.); (J.K.)
| | - Dae Sik Jang
- Department of Biomedical and Pharmaceutical Sciences, Graduate School, Kyung Hee University, Seoul 02447, Korea;
- Correspondence: (D.S.J.); (K.S.K.); Tel.: +82-2-961-0719 (D.S.J.); +82-31-750-5402 (K.S.K.)
| | - Ki Sung Kang
- Cooperative-Center of Natural Product Central Bank for Biological Evaluation, College of Korean Medicine, Gachon University, Seongnam 13120, Korea;
- Correspondence: (D.S.J.); (K.S.K.); Tel.: +82-2-961-0719 (D.S.J.); +82-31-750-5402 (K.S.K.)
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Jo J, Lee D, Park YH, Choi H, Han J, Park DH, Choi YK, Kwak J, Yang MK, Yoo JW, Moon HR, Geum D, Kang KS, Yun H. Discovery and optimization of novel 3-benzyl-N-phenyl-1H-pyrazole-5-carboxamides as bifunctional antidiabetic agents stimulating both insulin secretion and glucose uptake. Eur J Med Chem 2021; 217:113325. [PMID: 33765605 DOI: 10.1016/j.ejmech.2021.113325] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 02/08/2021] [Accepted: 02/19/2021] [Indexed: 12/01/2022]
Abstract
A novel series of 3-benzyl-N-phenyl-1H-pyrazole-5-carboxamides was designed, synthesized and evaluated for their biological activities on glucose-stimulated insulin secretion (GSIS). The cytotoxicity of all 41 novel compounds was screened to assess their pharmacological safety in pancreatic β-cells. A two-step optimization process was carried out to establish the structure-activity relationship for this class and subsequently we identified the most active analogue 26. Further modification study of 26 evidenced the necessity of N-hydrogens in the core architecture. Protein expression analysis suggested that 26 increases insulin secretion via the activation of the upstream effector of pancreatic and duodenal homeobox 1 (PDX-1), which is an important factor promoting GSIS. Moreover, the administration of 26 effectively augmented glucose uptake in C2C12 myotube cells via the suppression of Mitsugumin 53 (MG53), an insulin receptor substrate 1 (IRS-1) ubiquitination E3 ligase.
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Affiliation(s)
- Jeyun Jo
- College of Pharmacy, Pusan National University, Busan, 46241, Republic of Korea
| | - Dahae Lee
- College of Korean Medicine, Gachon University, Seongnam, 13120, Republic of Korea
| | - Yeong Hye Park
- College of Pharmacy, Pusan National University, Busan, 46241, Republic of Korea
| | - Hyeonjin Choi
- College of Pharmacy, Pusan National University, Busan, 46241, Republic of Korea
| | - Jinhee Han
- College of Pharmacy, Pusan National University, Busan, 46241, Republic of Korea
| | - Do Hwi Park
- College of Korean Medicine, Gachon University, Seongnam, 13120, Republic of Korea
| | - You-Kyung Choi
- College of Korean Medicine, Gachon University, Seongnam, 13120, Republic of Korea
| | - Jinsook Kwak
- College of Pharmacy, Pusan National University, Busan, 46241, Republic of Korea
| | - Min-Kyu Yang
- Mother's Pharmaceutical, Seoul, 08506, Republic of Korea
| | - Jin-Wook Yoo
- College of Pharmacy, Pusan National University, Busan, 46241, Republic of Korea
| | - Hyung Ryong Moon
- College of Pharmacy, Pusan National University, Busan, 46241, Republic of Korea
| | - Dongho Geum
- Department of Biomedical Sciences, Korea University Medical School, Seoul, 02841, Republic of Korea
| | - Ki Sung Kang
- College of Korean Medicine, Gachon University, Seongnam, 13120, Republic of Korea.
| | - Hwayoung Yun
- College of Pharmacy, Pusan National University, Busan, 46241, Republic of Korea.
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Lee D, Qi Y, Kim R, Song J, Kim H, Kim HY, Jang DS, Kang KS. Methyl Caffeate Isolated from the Flowers of Prunus persica (L.) Batsch Enhances Glucose-Stimulated Insulin Secretion. Biomolecules 2021; 11:biom11020279. [PMID: 33672801 PMCID: PMC7917615 DOI: 10.3390/biom11020279] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 02/08/2021] [Accepted: 02/09/2021] [Indexed: 02/03/2023] Open
Abstract
Phenolic compounds from natural products are considered effective enhancers of insulin secretion to prevent and treat type 2 diabetes (T2DM). The flowers of Prunus persica (L.) Batsch also contain many phenolic compounds. In this study, the extract of flowers of P. persica (PRPE) exhibited an insulin secretion effect in a glucose-stimulated insulin secretion (GSIS) assay, which led us to isolate and identify the bioactive compound(s) responsible for these effects. Compounds isolated from PRPE were screened for their efficacy in INS-1 rat pancreatic β-cells. Among them, caffeic acid (5), methyl caffeate (6), ferulic acid (7), chlorogenic acid (8), naringenin (11), nicotiflorin (12), and astragalin (13) isolated from PRPE increased GSIS without inducing cytotoxicity. Interestingly, the GSIS effect of methyl caffeate (6) as a phenolic compound was similar to gliclazide, an antidiabetic sulfonylurea drug. Western blot assay showed that methyl caffeate (6) enhanced the related signaling proteins of the activated pancreatic and duodenal homeobox-1 (PDX-1) and peroxisome proliferator-activated receptor-γ (PPAR-γ), but also the phosphorylation of the total insulin receptor substrate-2 (IRS-2), phosphatidylinositol 3-kinase (PI3K), and Akt, which influence β-cell function and insulin secretion. This study provides evidence that methyl caffeate (6) isolated from PRPE may aid in the management of T2DM.
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Affiliation(s)
- Dahae Lee
- College of Korean Medicine, Gachon University, Seongnam 13120, Korea;
| | - Yutong Qi
- Department of Life and Nanopharmaceutical Sciences, Graduate School, Kyung Hee University, Seoul 02447, Korea; (Y.Q.); (R.K.)
| | - Ranhee Kim
- Department of Life and Nanopharmaceutical Sciences, Graduate School, Kyung Hee University, Seoul 02447, Korea; (Y.Q.); (R.K.)
| | - Jungbin Song
- Department of Herbal Pharmacology, College of Korean Medicine, Kyung Hee University, Seoul 02447, Korea; (J.S.); (H.K.)
| | - Hocheol Kim
- Department of Herbal Pharmacology, College of Korean Medicine, Kyung Hee University, Seoul 02447, Korea; (J.S.); (H.K.)
| | - Hyun Young Kim
- Department of Food Science, Gyeongnam National University of Science and Technology, Jinju 52725, Korea;
| | - Dae Sik Jang
- Department of Life and Nanopharmaceutical Sciences, Graduate School, Kyung Hee University, Seoul 02447, Korea; (Y.Q.); (R.K.)
- Correspondence: (D.S.J.); (K.S.K.); Tel.: +82-2-961-0719 (D.S.J.); +82-31-750-5402 (K.S.K.)
| | - Ki Sung Kang
- College of Korean Medicine, Gachon University, Seongnam 13120, Korea;
- Correspondence: (D.S.J.); (K.S.K.); Tel.: +82-2-961-0719 (D.S.J.); +82-31-750-5402 (K.S.K.)
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Viridistratins A-C, Antimicrobial and Cytotoxic Benzo[ j]fluoranthenes from Stromata of Annulohypoxylon viridistratum (Hypoxylaceae, Ascomycota). Biomolecules 2020; 10:biom10050805. [PMID: 32456162 PMCID: PMC7277860 DOI: 10.3390/biom10050805] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 05/17/2020] [Accepted: 05/21/2020] [Indexed: 12/31/2022] Open
Abstract
During the course of our search for novel biologically active metabolites from tropical fungi, we are using chemotaxonomic and taxonomic methodology for the preselection of interesting materials. Recently, three previously undescribed benzo[j]fluoranthenes (1-3) together with the known derivatives truncatones A and C (4, 5) were isolated from the stromata of the recently described species Annulohypoxylon viridistratum collected in Thailand. Their chemical structures were elucidated by means of spectral methods, including nuclear magnetic resonance (NMR) spectroscopy and high-resolution mass spectrometry (HR-MS). The new compounds, for which we propose the trivial names viridistratins A-C, exhibited weak-to-moderate antimicrobial and cytotoxic activities in cell-based assays.
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