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Wu J, Li K, Zhou M, Gao H, Wang W, Xiao W. Natural compounds improve diabetic nephropathy by regulating the TLR4 signaling pathway. J Pharm Anal 2024; 14:100946. [PMID: 39258172 PMCID: PMC11386058 DOI: 10.1016/j.jpha.2024.01.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Revised: 12/12/2023] [Accepted: 01/31/2024] [Indexed: 09/12/2024] Open
Abstract
Diabetic nephropathy (DN), a severe complication of diabetes, is widely recognized as a primary contributor to end-stage renal disease. Recent studies indicate that the inflammation triggered by Toll-like receptor 4 (TLR4) is of paramount importance in the onset and progression of DN. TLR4 can bind to various ligands, including exogenous ligands such as proteins and polysaccharides from bacteria or viruses, as well as endogenous ligands such as biglycan, fibrinogen, and hyaluronan. In DN, the expression or release of TLR4-related ligands is significantly elevated, resulting in excessive TLR4 activation and increased production of proinflammatory cytokines through downstream signaling pathways. This process is closely associated with the progression of DN. Natural compounds are biologically active products derived from natural sources that have advantages in the treatment of certain diseases. Various types of natural compounds, including alkaloids, flavonoids, polyphenols, terpenoids, glycosides, and polysaccharides, have demonstrated their ability to improve DN by affecting the TLR4 signaling pathway. In this review, we summarize the mechanism of action of TLR4 in DN and the natural compounds that can ameliorate DN by modulating the TLR4 signaling pathway. We specifically highlight the potential of compounds such as curcumin, paclitaxel, berberine, and ursolic acid to inhibit the TLR4 signaling pathway, which provides an important direction of research for the treatment of DN.
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Affiliation(s)
- Jiabin Wu
- Shanghai Key Lab of Human Performance, Shanghai University of Sport, Shanghai, 200438, China
| | - Ke Li
- Shanghai Key Lab of Human Performance, Shanghai University of Sport, Shanghai, 200438, China
| | - Muge Zhou
- Shanghai Key Lab of Human Performance, Shanghai University of Sport, Shanghai, 200438, China
| | - Haoyang Gao
- Shanghai Key Lab of Human Performance, Shanghai University of Sport, Shanghai, 200438, China
| | - Wenhong Wang
- Shanghai Key Lab of Human Performance, Shanghai University of Sport, Shanghai, 200438, China
| | - Weihua Xiao
- Shanghai Key Lab of Human Performance, Shanghai University of Sport, Shanghai, 200438, China
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Rodríguez-Ochoa JI, Fragoso-Jiménez JC, Flores N, Martínez LM, Bolivar F, Martinez A, Gosset G. Global transcriptomic response of Escherichia coli to p-coumaric acid. Microb Cell Fact 2022; 21:148. [PMID: 35858942 PMCID: PMC9301823 DOI: 10.1186/s12934-022-01874-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 07/07/2022] [Indexed: 11/10/2022] Open
Abstract
The aromatic compound p-coumaric acid (p-CA) is a secondary metabolite produced by plants. This aromatic acid and derived compounds have positive effects on human health, so there is interest in producing them in biotechnological processes with recombinant Escherichia coli strains. To determine the physiologic response of E. coli W3110 to p-CA, dynamic expression analysis of selected genes fused to a fluorescent protein reporter as well as RNA-seq and RT-qPCR were performed. The observed transcriptional profile revealed the induction of genes involved in functions related to p-CA active export, synthesis of cell wall and membrane components, synthesis of amino acids, detoxification of formaldehyde, phosphate limitation, acid stress, protein folding and degradation. Downregulation of genes encoding proteins involved in energy production, carbohydrate import and metabolism, as well as several outer and plasma membrane proteins was detected. This response is indicative of cell envelope damage causing the leakage of intracellular components including amino acids and phosphate-containing compounds. The cellular functions responding to p-CA that were identified in this study will help in defining targets for production strains improvement.
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Affiliation(s)
- José Ignacio Rodríguez-Ochoa
- Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Morelos, México
| | - Juan Carlos Fragoso-Jiménez
- Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Morelos, México
| | - Noemí Flores
- Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Morelos, México
| | - Luz María Martínez
- Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Morelos, México
| | - Francisco Bolivar
- Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Morelos, México
| | - Alfredo Martinez
- Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Morelos, México
| | - Guillermo Gosset
- Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Morelos, México.
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Sheng K, Li Y, Wang Z, Hang K, Ye Z. p‑Coumaric acid suppresses reactive oxygen species‑induced senescence in nucleus pulposus cells. Exp Ther Med 2021; 23:183. [PMID: 35069864 PMCID: PMC8764901 DOI: 10.3892/etm.2021.11106] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 11/05/2021] [Indexed: 11/12/2022] Open
Abstract
p-Coumaric acid (PCA) is a phenolic acid that is widely present in numerous plants and human diets. Studies have demonstrated the antioxidant and anti-senescence effects of PCA in different cell types. However, the anti-senescence effects of PCA in nucleus pulposus (NP) cells have remained to be determined. In the present study, reverse transcription-quantitative PCR was used to measure the gene expression of Cyclooxygenase-2 (Cox-2), inducible nitric oxide synthase (iNOS), p53, p16, aggrecan and collagen-2 in NP cells. Immunofluorescence staining was used to evaluate the protein expression of p53, p16 and collagen-2 in NP cells. In addition, cell cycle of NP cells was measured by flow cytometry. β-galactosidase staining were used to investigate the senescence of NP cells. Preliminary results indicated that PCA suppressed ROS-induced senescence in NP cells via both the p16 and p53 pathways. NP cells were pretreated with PCA at a concentration of 10 or 50 µg/ml prior to stimulation with 200 µM hydrogen peroxide (H2O2). Pretreatment with PCA significantly inhibited H2O2-induced cell cycle arrest in a dose-dependent manner. PCA also reduced the gene expression of Cox-2, iNOS, p53 and p16 induced by H2O2. By contrast, aggrecan and collagen-2 expression in NP cells was upregulated after PCA treatment. Furthermore, PCA suppressed H2O2-induced changes in the protein expression of p16, p53 and collagen-2. H2O2 stimulation of NP cells increased senescence-associated β-galactosidase (SA-β-gal) activities, while PCA treatment markedly reversed these SA-β-gal activities. Collectively, the present results indicated that PCA attenuated H2O2-induced oxidative stress and cellular senescence, suggesting a potential therapeutic utility of PCA in intervertebral disc degeneration.
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Affiliation(s)
- Kunkun Sheng
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, P.R. China
| | - Yan Li
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, P.R. China
| | - Zhan Wang
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, P.R. China
| | - Kai Hang
- Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang 310009, P.R. China
| | - Zhaoming Ye
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, P.R. China
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Hakyemez IN, Cevizci MN, Aksoz E, Yilmaz K, Uysal S, Altun E. Protective effects of p-coumaric acid against gentamicin-induced nephrotoxicity in rats. Drug Chem Toxicol 2021; 45:2825-2832. [PMID: 34702126 DOI: 10.1080/01480545.2021.1993703] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The most important side effect of gentamicin (GM) is nephrotoxicity. p-Coumaric acid (PCA) is a phenolic compound that scavenges free radicals, reduces fibrosis, and tissue damage. This study investigates the protective effect of PCA on tissue damage and kidney function in gentamicin-induced nephrotoxicity (GIN). Thirty-five rats were separated into five groups and each group contained seven animals: control group, ethanol group, GM group, PCA group, and GM + PCA group. At the end of the seven-day treatment, the rats were sacrificed after blood and kidney tissue samples were taken. While serum urea, creatinine, and neutrophil gelatinase-associated lipocalin (NGAL) levels increased significantly in the GM group compared to the control, they showed a significant decrease in the GM + PCA group compared to the GM. Serum tumor necrosis factor-α (TNF-α) and tissue malondialdehyde (MDA) levels were significantly increased in the GM group compared to the control. While the tissue total oxidant status (TOS) and oxidative stress index (OSI) values of the GM group were significantly higher than the control, they showed a significant decrease in the GM + PCA group compared to the GM. In the histopathological examination, significant tubular necrosis and tubulointerstitial inflammation were detected in the proximal tubules in the GM group compared to the control, while a significant decrease was observed in the severity of these findings in the GM + PCA group compared to the GM. This study shows that PCA has biochemical and histopathological ameliorating effects on GIN in the rat model.
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Affiliation(s)
- Ismail Necati Hakyemez
- Department of Infectious Diseases, Faculty of Medicine, Balıkesir University, Balıkesir, Turkey
| | - Mehmet Nuri Cevizci
- Department of Pediatric Surgery, Faculty of Medicine, Balıkesir University, Balıkesir, Turkey
| | - Elif Aksoz
- Department of Medical Pharmacology, Faculty of Medicine, Balıkesir University, Balıkesir, Turkey
| | - Kenan Yilmaz
- Department of Pediatric Nephrology, Faculty of Medicine, Balıkesir University, Balıkesir, Turkey
| | - Saliha Uysal
- Department of Medical Biochemistry, Faculty of Medicine, Balıkesir University, Balıkesir, Turkey
| | - Eren Altun
- Department of Medical Pathology, Faculty of Medicine, Balıkesir University, Balıkesir, Turkey
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Development of a Novel Electrochemical Biosensor Based on Carbon Nanofibers-Cobalt Phthalocyanine-Laccase for the Detection of p-Coumaric Acid in Phytoproducts. Int J Mol Sci 2021; 22:ijms22179302. [PMID: 34502203 PMCID: PMC8431354 DOI: 10.3390/ijms22179302] [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: 07/24/2021] [Revised: 08/21/2021] [Accepted: 08/24/2021] [Indexed: 12/18/2022] Open
Abstract
The present paper developed a new enzymatic biosensor whose support is a screen-printed electrode based on carbon nanofibers modified with cobalt phthalocyanine and laccase (CNF-CoPc-Lac/SPE) to determine the p-coumaric acid (PCA) content by cyclic voltammetry and square wave voltammetry. Sensor modification was achieved by the casting and cross-linking technique, using glutaraldehyde as a reticulation agent. The biosensor’s response showed the PCA redox processes in a very stable and sensitive manner. The calibration curve was developed for the concentration range of p-coumaric acid of 0.1–202.5 μM, using cyclic voltammetry and chronoamperometry. The biosensor yielded optimal results for the linearity range 0.4–6.4 μM and stood out by low LOD and LOQ values, i.e., 4.83 × 10−7 M and 1.61 × 10−6 M, respectively. PCA was successfully determined in three phytoproducts of complex composition. The results obtained by the voltammetric method were compared to the ones obtained by the FTIR method. The amount of p-coumaric acid determined by means of CNF-CoPc-Lac/SPE was close to the one obtained by the standard spectrometric method.
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Abdou RM, El-Maadawy WH, Hassan M, El-Dine RS, Aboushousha T, El-Tanbouly ND, El-Sayed AM. Nephroprotective activity of Aframomum melegueta seeds extract against diclofenac-induced acute kidney injury: A mechanistic study. JOURNAL OF ETHNOPHARMACOLOGY 2021; 273:113939. [PMID: 33610709 DOI: 10.1016/j.jep.2021.113939] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Revised: 02/08/2021] [Accepted: 02/14/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE In Africa, Aframomum species have been traditionally used to treat illnesses such as inflammation, hypertension, diarrhea, stomachache and fever. Moreover, Aframomum melegueta seed extracts (AMSE) are used in traditional medicine to relieve stomachaches and inflammatory diseases. AIM Chronic administration of diclofenac (DIC) has been reported to cause acute kidney injury (AKI), which is a serious health condition. The nephroprotective effect of AMSE is yet to be elucidated. Accordingly, this study aims to investigate the phytoconstituents of standardized AMSE, evaluate its nephroprotective effects against DIC-induced AKI in rats, and elaborate its underlying molecular mechanisms. MATERIALS AND METHODS The quantitative estimation of major AMSE constituents and profiling of its secondary metabolites were conducted via RP-HPLC and LC-ESI/Triple TOF/MS, respectively. Next, DIC (50 mg/kg)-induced AKI was achieved in Sprague-Dawley rats and DIC-challenged rats were administered AMSE (100 and 200 mg/kg) orally. All treatments were administered for five consecutive days. Blood samples were collected and the sera were used for estimating creatinine, urea and, kidney injury molecule (KIM)-1 levels. Kidney specimens were histopathologically assessed and immunohistochemically examined for c-Myc expression. A portion of the kidney tissue was homogenized and examined for levels of oxidative stress markers (MDA and GSH). Heme oxygenase (HO)-1, TNF-α, IL-6, Bax, Bcl2 and caspase-3 renal levels were quantified by ELISA. Moreover, the protein expression levels of NF-ҡB p65 was quantified using Western blot analysis, whereas mRNA expression levels of AMPK, SIRT-1, nuclear factor erythroid-2-related factor (Nrf2) and STAT3 were detected using qRT-PCR in the remaining kidney tissues. RESULTS Standardized AMSE was shown to primarily contain 6-gingerol, 6-shogaol and 6-paradol among the 73 compounds that were detected via LC-ESI/Triple TOF/MS including phenolic acids, hydroxyphenylalkanes, diarylheptanoids and fatty acids. Relative to DIC-intoxicated rats, AMSE modulated serum creatinine, urea, KIM-1, renal MDA, TNF-α, IL-6, Bax, and caspase-3 levels. AMSE has also improved renal tissue architecture, enhanced GSH and HO-1 levels, and upregulated renal Nrf2, AMPK, and SIRT-1 mRNA expression levels. Furthermore, AMSE suppressed NF-ҡB p65 protein and STAT3 mRNA expression, and further reduced c-Myc immunohistochemical expression in renal tissues. Overall, our findings revealed that AMSE counteracted DIC-induced AKI via its antioxidant, anti-inflammatory, and antiapoptotic activities. Moreover, AMSE activated Nrf2/HO1 and AMPK/SIRT1, and inhibited NF-ҡB/STAT3 signaling pathways. Therefore, AMSE is a promising agent for inhibiting DIC-induced nephrotoxicity.
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Affiliation(s)
- Rabab M Abdou
- Department of Pharmacognosy, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo, 11562, Egypt
| | - Walaa H El-Maadawy
- Department of Pharmacology, Theodor Bilharz Research Institute, Kornaish El Nile, Warrak El-Hadar, Imbaba (P.O. 30), Giza, 12411, Egypt.
| | - Marwa Hassan
- Department of Immunology, Theodor Bilharz Research Institute, Kornaish El Nile, Warrak El-Hadar, Imbaba (P.O. 30), Giza, 12411, Egypt
| | - Riham S El-Dine
- Department of Pharmacognosy, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo, 11562, Egypt.
| | - Tarek Aboushousha
- Department of Pathology, Theodor Bilharz Research Institute, Kornaish El Nile, Warrak El-Hadar, Imbaba (P.O. 30), Giza, 12411, Egypt
| | - Nebal D El-Tanbouly
- Department of Pharmacognosy, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo, 11562, Egypt
| | - Aly M El-Sayed
- Department of Pharmacognosy, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo, 11562, Egypt
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Taher RF, Raslan MA, Masoud MA, Nassar MI, Aboutabl ME. HPLC-ESI/MS profiling, phytoconstituent isolation and evaluation of renal function, oxidative stress and inflammation in gentamicin-induced nephrotoxicity in rats of Ficus spragueana Mildbr. & Burret. Biomed Chromatogr 2021; 35:e5135. [PMID: 33818792 DOI: 10.1002/bmc.5135] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 03/26/2021] [Accepted: 04/01/2021] [Indexed: 12/29/2022]
Abstract
Ficus spragueana Mildbr. & Burret (family Moraceae) was reported to have various biological activities. However, its activity in treatment of renal injury has not been investigated yet. The current study aimed to evaluate the effects of F. spragueana leaf extract on nephrotoxicity caused by gentamicin. Gentamicin is an important broad-spectrum antibiotic; nevertheless, it exhibits serious nephrotoxic adverse effects. HPLC-ESI/MS spectrometric analysis of the extract revealed the presence of 37 phenolic compounds. Moreover, five compounds were isolated from the leaf extract, and identified on the basis of spectroscopic analysis. The isolated compounds were syringic acid (1), p-coumaric acid (2), 3',5' O-dicaffeoylquinic acid (3), luteolin-8-C-β-D glucopyranoside (orientin) (4) and 8-methoxy kaempferol-3-O-[α-L-rhamnopyranosyl (1→2) β-D-glucopyranoside] (5). The gentamicin-induced nephrotoxicity model was used to evaluate the protective effect of F. spragueana on renal toxicity biomarkers throughout the development of acute kidney injury. Administration of extract led to improvement in kidney function through inhibition of kidney injury molecule-1, creatinine, blood urea nitrogen and total bilirubin, as well as decreasing the inflammatory markers interlukin1-beta and myeloperoxidase. Furthermore, it reduced the oxidative stress by increasing reduced glutathione and total antioxidant capacity levels while decreasing malondialdehyde and nitric oxide content, and improved renal histopathological injuries.
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Affiliation(s)
- Rehab F Taher
- Natural Compounds Chemistry Department, Pharmaceutical and Drug Industries Research Division, National Research Centre (ID 60014618), Giza, Egypt
| | - Mona A Raslan
- Pharmacognosy Department, Pharmaceutical and Drug Industries Research Division, National Research Centre (ID 60014618), Giza, Egypt
| | - Marwa A Masoud
- Pharmacology Department, National Organization for Drug Control and Research, Egyptian Drug Authority, Giza, Egypt
| | - Mahmoud I Nassar
- Natural Compounds Chemistry Department, Pharmaceutical and Drug Industries Research Division, National Research Centre (ID 60014618), Giza, Egypt
| | - Mona E Aboutabl
- Medicinal and Pharmaceutical Chemistry Department (Pharmacology Group), Pharmaceutical and Drug Industries Research Division, National Research Centre (ID 60014618), Giza, Egypt
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Sochorova L, Baron M, Dadakova K, Kasparovsky T, Sochor J. Health Beneficial Properties of Grapevine Seed Extract and Its Influence on Selected Biochemical Markers in the Blood, Liver and Kidneys of Rattus norvegicus. Molecules 2021; 26:2099. [PMID: 33917585 PMCID: PMC8038788 DOI: 10.3390/molecules26072099] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 03/30/2021] [Accepted: 04/02/2021] [Indexed: 11/16/2022] Open
Abstract
Cadmium (Cd) is a heavy metal that occurs in all areas of the environment, including the food chain. In the body, it causes oxidative stress by producing free radicals that are harmful to the cells. Grape seed extract (GSE) contains a wide range of biologically active components that help to neutralize the adverse effects of free radicals. In this study, the effects of GSE prepared form semi-resistant grapevine cultivar Cerason, which is rich in phenolics, on biochemical markers of brown rats exposed to the effects of cadmium were monitored. GSE increased the plasma antioxidant activity and, in the kidneys and the liver, Cd content was significantly lowered by GSE co-administration. Accordingly, the increase in creatinine content and alanine aminotransferase activity and the decrease of catalase and superoxide dismutase activities caused by cadmium were slowed down by GSE co-administration. The results of this work reveal that grape seed extract offers a protective effect against the intake of heavy metals into the organism.
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Affiliation(s)
- Lenka Sochorova
- Department of Viticulture and Enology, Faculty of Horticulture, Mendel University in Brno, Valtická 337, 69144 Lednice, Czech Republic
| | - Mojmir Baron
- Department of Viticulture and Enology, Faculty of Horticulture, Mendel University in Brno, Valtická 337, 69144 Lednice, Czech Republic
| | - Katerina Dadakova
- Department of Biochemistry, Faculty of Science, Masaryk University, Kotlarska 2, 61137 Brno, Czech Republic
| | - Tomas Kasparovsky
- Department of Biochemistry, Faculty of Science, Masaryk University, Kotlarska 2, 61137 Brno, Czech Republic
| | - Jiri Sochor
- Department of Viticulture and Enology, Faculty of Horticulture, Mendel University in Brno, Valtická 337, 69144 Lednice, Czech Republic
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Bharti R, Chopra BS, Raut S, Khatri N. Pueraria tuberosa: A Review on Traditional Uses, Pharmacology, and Phytochemistry. Front Pharmacol 2021; 11:582506. [PMID: 33708108 PMCID: PMC7941752 DOI: 10.3389/fphar.2020.582506] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Accepted: 11/16/2020] [Indexed: 12/14/2022] Open
Abstract
Pueraria tuberosa (Roxb. ex Willd.) DC. (Fabaceae), also known as Indian Kudzu (vidari kand), is a perennial herb distributed throughout India and other Asian countries. Traditionally, tuber and leaves of this plant have extensively been reported for nutritional and medicinal properties in Ayurveda as well as in Chinese traditional practices. The objective of the present review is to compile and update the published data on traditional uses, pharmacological potential, and phytochemistry of compounds isolated from the plant Pueraria tuberosa. P. tuberosa extracts and its purified compounds possess multiple activities such as anticancer, anticonvulsant, antidiabetic, antifertility, anti-inflammatory, antioxidant, anti-stress, antiulcerogenic, cardioprotective, hypolipidemic, hepatoprotective, immunomodulatory, nephroprotective, nootropic, neuroprotective, and wound healing. Tuber and leaf extracts of P. tuberosa contain several bioactive constituents such as puerarin, daidzein, genistein, quercetin, irisolidone, biochanin A, biochanin B, isoorientin, and mangiferin, which possess an extensive range of pharmacological activities. The extensive range of pharmacological properties of P. tuberosa provides opportunities for further investigation and presents a new approach for the treatment of ailments. Many phytochemicals have been identified and characterized from P. tuberosa; however, some of them are still unexplored, and there is no supporting data for their activities and exact mechanisms of action. Therefore, further investigations are warranted to unravel the mechanisms of action of individual constituents of this plant.
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Affiliation(s)
- Ram Bharti
- IMTECH Centre for Animal Resources & Experimentation (iCARE), Council of Scientific and Industrial Research-Institute of Microbial Technology (CSIR-IMTECH), Chandigarh, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Bhupinder Singh Chopra
- IMTECH Centre for Animal Resources & Experimentation (iCARE), Council of Scientific and Industrial Research-Institute of Microbial Technology (CSIR-IMTECH), Chandigarh, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Sachin Raut
- IMTECH Centre for Animal Resources & Experimentation (iCARE), Council of Scientific and Industrial Research-Institute of Microbial Technology (CSIR-IMTECH), Chandigarh, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Neeraj Khatri
- IMTECH Centre for Animal Resources & Experimentation (iCARE), Council of Scientific and Industrial Research-Institute of Microbial Technology (CSIR-IMTECH), Chandigarh, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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10
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Effects of chlorogenic acid on the binding process of cadmium with bovine serum albumin: A multi-spectroscopic and docking study. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.127531] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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11
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Metabolic engineering of Synechocystis sp. PCC 6803 for the production of aromatic amino acids and derived phenylpropanoids. Metab Eng 2020; 57:129-139. [DOI: 10.1016/j.ymben.2019.11.002] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 10/14/2019] [Accepted: 11/08/2019] [Indexed: 11/22/2022]
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12
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Dietary Cadmium Chloride Supplementation Impairs Renal Function and Bone Metabolism of Laying Hens. Animals (Basel) 2019; 9:ani9110998. [PMID: 31752407 PMCID: PMC6912261 DOI: 10.3390/ani9110998] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 11/04/2019] [Accepted: 11/15/2019] [Indexed: 11/17/2022] Open
Abstract
This study was conducted to evaluate the toxic effects of cadmium (Cd) on the kidney function and bone development in laying hens. A total of 480 Hy-line laying hens aged 38 weeks were randomly allocated into five treatments, each of which included six replicates of 16 birds. The concentrations of Cd in the diets of the five groups were 0.47, 7.58, 15.56, 30.55, and 60.67 mg/kg. Results showed that serum calcium (Ca) levels decreased significantly in the 60.67 mg Cd/kg diet group (p < 0.05). The activities of serum alkaline phosphatase (ALP) and bone ALP (BALP) decreased significantly in the 15.56, 30.55 and 60.67 mg Cd/kg diet groups (p < 0.05). The levels of parathyroid hormone (PTH) increased significantly in the 30.55 and 60.67 mg Cd/kg diet groups, and the estradiol (E2), 1,25-(OH)2-D3 and calcitonin (CT) decreased significantly with the increase of dietary Cd supplementation (p < 0.05). Histological results presented enlargements of renal tubules and tubular fibrosis in the kidney and decreased trabecular bone in the tibia. Tartrate-resistant acidic phosphatase (TRAP) staining results of tibia showed that osteoclast was significantly increased at the relatively high dose of dietary Cd (p < 0.05). In addition, the renal function indicators of blood urea nitrogen (BUN), urea acid (UA), and creatinine were significantly increased in Cd supplemented groups compared with the control group (p < 0.05). Low dose Cd exposure induced antioxidant defenses accompanying the increase in activities of catalase (CAT), glutathione peroxidase (GSH-Px), and the levels of glutathione (GSH) in renal tissue. At the same time, with the increased Cd levels, the activities of CAT, GSH-Px decreased significantly, and the level of malondialdehyde (MDA) increased significantly (p < 0.05). The activities of Na+/K+-ATPase and Ca2+/Mg2+-ATPase decreased significantly in the relatively high levels of dietary Cd (p < 0.05). These results suggest that Cd can damage renal function and induce disorders in bone metabolism of laying hens.
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Neelam, Khatkar A, Sharma KK. Phenylpropanoids and its derivatives: biological activities and its role in food, pharmaceutical and cosmetic industries. Crit Rev Food Sci Nutr 2019; 60:2655-2675. [PMID: 31456411 DOI: 10.1080/10408398.2019.1653822] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Phenylpropanoids and their derivatives are plant secondary metabolites widely present in fruits, vegetables, cereal grains, beverages, spices and herbs. They are known to have multifaceted effects which include antimicrobial, antioxidant, anti-inflammatory, antidiabetic, anticancer activities and as well as exhibits renoprotective, neuroprotective, cardioprotective and hepatoprotective effects. Owing to their antioxidant, antimicrobial and photoprotective properties, these compounds have wide application in the food (preservation, packaging films and edible coating), pharmaceutical, cosmetic and other industries such as textile (colorant), biofuel (antioxidant additive) and sensors (sensing biologically relevant molecules). Phenylpropanoids are present in commercially available dietary supplements and skin care products. In this review, we have presented the current knowledge on the biosynthesis, occurrence, biological activities of phenylpropanoids and their derivatives, along with the mechanism of action and their potential applications in various industries.
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Affiliation(s)
- Neelam
- Department of Microbiology, Maharshi Dayanand University, Rohtak, Haryana, India
| | - Anurag Khatkar
- Department of Pharmaceutical sciences, Maharshi Dayanand University, Rohtak, Haryana, India
| | - Krishna Kant Sharma
- Department of Microbiology, Maharshi Dayanand University, Rohtak, Haryana, India
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Wang S, Kong L, Zhao Y, Tan L, Zhang J, Du Z, Zhang H. Lipophilization and molecular encapsulation of p-coumaric acid by amylose inclusion complex. Food Hydrocoll 2019. [DOI: 10.1016/j.foodhyd.2019.02.044] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Ueda T, Ito T, Kurita H, Inden M, Hozumi I. p-Coumaric Acid Has Protective Effects against Mutant Copper-Zinc Superoxide Dismutase 1 via the Activation of Autophagy in N2a Cells. Int J Mol Sci 2019; 20:ijms20122942. [PMID: 31208129 PMCID: PMC6628046 DOI: 10.3390/ijms20122942] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Revised: 06/14/2019] [Accepted: 06/14/2019] [Indexed: 01/13/2023] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease characterized by the selective death of motor neurons. In previous our study, an ethanol extract of Brazilian green propolis (EBGP) prevented mutant copper-zinc superoxide dismutase 1 (SOD1mut)-induced neurotoxicity. This paper aims to reveal the effects of p-coumaric acid (p-CA), an active ingredient contained in EBGP, against SOD1mut-induced neurotoxicity. We found that p-CA reduced the accumulation of SOD1mut subcellular aggregation and prevented SOD1mut-associated neurotoxicity. Moreover, p-CA attenuated SOD1mut-induced oxidative stress and endoplasmic reticulum stress, which are significant features in ALS pathology. To examine the mechanism of neuroprotective effects, we focused on autophagy, and we found that p-CA induced autophagy. Additionally, the neuroprotective effects of p-CA were inhibited by chloroquine, an autophagy inhibiter. Therefore, these results obtained in this paper suggest that p-CA prevents SOD1mut-induced neurotoxicity through the activation of autophagy and provides a potential therapeutic approach for ALS.
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Affiliation(s)
- Tomoyuki Ueda
- Laboratory of Medical Therapeutics and Molecular Therapeutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan.
| | - Taisei Ito
- Laboratory of Medical Therapeutics and Molecular Therapeutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan.
| | - Hisaka Kurita
- Laboratory of Medical Therapeutics and Molecular Therapeutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan.
| | - Masatoshi Inden
- Laboratory of Medical Therapeutics and Molecular Therapeutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan.
| | - Isao Hozumi
- Laboratory of Medical Therapeutics and Molecular Therapeutics, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan.
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Li Y, Li J, Qian B, Cheng L, Xu S, Wang R. De Novo Biosynthesis of p-Coumaric Acid in E. coli with a trans-Cinnamic Acid 4-Hydroxylase from the Amaryllidaceae Plant Lycoris aurea. Molecules 2018; 23:molecules23123185. [PMID: 30513965 PMCID: PMC6320932 DOI: 10.3390/molecules23123185] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 11/18/2018] [Accepted: 11/29/2018] [Indexed: 12/30/2022] Open
Abstract
p-Coumaric acid is a commercially available phenolcarboxylic acid with a great number of important applications in the nutraceutical, pharmaceutical, material and chemical industries. p-Coumaric acid has been biosynthesized in some engineered microbes, but the potential of the plant CYP450-involved biosynthetic route has not investigated in Escherichia coli. In the present study, a novel trans-cinnamic acid 4-hydroxylase (C4H) encoding the LauC4H gene was isolated from Lycoris aurea (L’ Hér.) Herb via rapid amplification of cDNA ends. Then, N-terminal 28 amino acids of LauC4H were characterized, for the subcellular localization, at the endoplasmic reticulum membrane in protoplasts of Arabidopsis thaliana. In E. coli, LauC4H without the N-terminal membrane anchor region was functionally expressed when fused with the redox partner of A. thaliana cytochrome P450 enzyme (CYP450), and was verified to catalyze the trans-cinnamic acid to p-coumaric acid transformation by whole-cell bioconversion, HPLC detection and LC-MS analysis as well. Further, with phenylalanine ammonia-lyase 1 of A. thaliana, p-coumaric acid was de novo biosynthesized from glucose as the sole carbon source via the phenylalanine route in the recombinant E. coli cells. By regulating the level of intracellular NADPH, the production of p-coumaric acid was dramatically improved by 9.18-fold, and achieved with a titer of 156.09 μM in shake flasks. The recombinant cells harboring functional LauC4H afforded a promising chassis for biological production of p-coumaric acid, even other derivatives, via a plant CYP450-involved pathway.
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Affiliation(s)
- Yikui Li
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
- The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Germplasm, Nanjing 210014, China.
| | - Jie Li
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
| | - Binbin Qian
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
| | - Li Cheng
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
| | - Sheng Xu
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
- The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Germplasm, Nanjing 210014, China.
| | - Ren Wang
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
- The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Germplasm, Nanjing 210014, China.
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Nishi K, Ramakrishnan S, Gunasekaran VP, Parkash K, Ramakrishnan A, Vijayakumar N, Ganeshan M. Protective effects of p‑coumaric acid on ethanol induced male reproductive toxicity. Life Sci 2018; 209:1-8. [DOI: 10.1016/j.lfs.2018.07.045] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 07/11/2018] [Accepted: 07/22/2018] [Indexed: 11/15/2022]
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Polysaccharides from Phormidium versicolor (NCC466) protecting HepG2 human hepatocellular carcinoma cells and rat liver tissues from cadmium toxicity: Evidence from in vitro and in vivo tests. Int J Biol Macromol 2018; 113:813-820. [DOI: 10.1016/j.ijbiomac.2018.02.152] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 02/23/2018] [Accepted: 02/25/2018] [Indexed: 01/01/2023]
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Athmouni K, Belhaj D, Mkadmini Hammi K, El Feki A, Ayadi H. Phenolic compounds analysis, antioxidant, and hepatoprotective effects of Periploca angustifolia extract on cadmium-induced oxidative damage in HepG2 cell line and rats. Arch Physiol Biochem 2018; 124:261-274. [PMID: 29156993 DOI: 10.1080/13813455.2017.1395890] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A total of five components (Catechin, Caffeic acid, Ferulic acid, Rosmarinic acid, and Amentoflavone) were identified in Periploca angustifolia leaf methanolic extract. This extract did not cause any cytotoxic effect on HepG2 cell line within the range of concentrations tested (0-400 µg mL-1). Thus, pre-treatment with 100 µg mL-1 of P. angustifolia leaf methanolic extract (PAE) significantly (p < .05) protective HepG2 cells against cytotoxicity induced by cadmium exposure. However, Cd-intoxication significantly (p < .05) increased alanine and aspartate amino transferases serum activities (ALT and AST) and bilirubin content by 1.85-, 1.13-, and 3.55-fold, respectively. The levels of hepatic antioxidant parameters including superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPx) were significantly (p < .05) decreased in Cd-intoxicated rats with concomitant enhancement of lipid peroxidation. Our results showed that P. angustifolia leaf methanolic extract can induce antioxidant effects and also exerts beneficial effects for the treatment of Cd-induced hepatotoxicity.
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Affiliation(s)
- Khaled Athmouni
- a Faculty of Sciences, Department of Life Sciences, Laboratory of Biodiversity and Aquatic Ecosystems, Ecology and Planktonology , University of Sfax , Sfax , Tunisia
- b Faculty of Sciences, Department of life sciences, Laboratory of Animal Ecophysiology , University of Sfax , Sfax , Tunisia
| | - Dalel Belhaj
- a Faculty of Sciences, Department of Life Sciences, Laboratory of Biodiversity and Aquatic Ecosystems, Ecology and Planktonology , University of Sfax , Sfax , Tunisia
- c National Engineering School, Engineering Laboratory of Environment and Ecotechnology , University of Sfax , Sfax , Tunisia
| | - Khaoula Mkadmini Hammi
- d Laboratoire des Plantes Aromatiques et Médicinales (LPAM) , Centre de Biotechnologie de Borj - Cédria , Sfax , Tunisia
| | - Abdelfattah El Feki
- b Faculty of Sciences, Department of life sciences, Laboratory of Animal Ecophysiology , University of Sfax , Sfax , Tunisia
| | - Habib Ayadi
- a Faculty of Sciences, Department of Life Sciences, Laboratory of Biodiversity and Aquatic Ecosystems, Ecology and Planktonology , University of Sfax , Sfax , Tunisia
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p-Coumaric Acid Protects Human Lens Epithelial Cells against Oxidative Stress-Induced Apoptosis by MAPK Signaling. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:8549052. [PMID: 29849919 PMCID: PMC5914090 DOI: 10.1155/2018/8549052] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Accepted: 02/19/2018] [Indexed: 01/28/2023]
Abstract
To protect against oxidative stress-induced apoptosis in lens epithelial cells is a potential strategy in preventing cataract formation. The present study aimed at studying the protective effect and underlying mechanisms of p-coumaric acid (p-CA) on hydrogen peroxide- (H2O2-) induced apoptosis in human lens epithelial (HLE) cells (SRA 01–04). Cells were pretreated with p-CA at a concentration of 3, 10, and 30 μM before the treatment of H2O2 (275 μM). Results showed that pretreatment with p-CA significantly protected against H2O2-induced cell death in a dose-dependent manner, as well as downregulating the expressions of both cleaved caspase-3 and cleaved caspase-9 in HLE cells. Moreover, p-CA also greatly suppressed H2O2-induced intracellular ROS production and mitochondrial membrane potential loss and elevated the activities of T-SOD, CAT, and GSH-Px of H2O2-treated cells. As well, in vitro study showed that p-CA also suppressed H2O2-induced phosphorylation of p-38, ERK, and JNK in HLE cells. These findings demonstrate that p-CA suppresses H2O2-induced HLE cell apoptosis through modulating MAPK signaling pathways and suggest that p-CA has a potential therapeutic role in the prevention of cataract.
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Kamenova K, Gluhcheva Y, Vladov I, Stoykova S, Ivanova J. Ameliorative effect of the anticancer agent salinomycin on cadmium-induced hepatotoxicity and renal dysfunction in mice. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:3616-3627. [PMID: 29164462 DOI: 10.1007/s11356-017-0755-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Accepted: 11/14/2017] [Indexed: 06/07/2023]
Abstract
This study presents experimental data on the effects of the tetraethylammonium salt of salinomycinic acid (Sal) on Cd-induced hepatotoxicity and renal dysfunction in Cd-treated mice compared to those of meso-2,3-dimercaptosuccinic acid (DMSA). Forty 60-day-old male ICR mice were randomized into five groups: control group (untreated mice), Cd group (Cd(II) acetate 20 mg/kg body weight provided orally once per day for 14 days), Cd + DMSA group (exposed to Cd(II) acetate as the Cd-exposed group followed by DMSA 20 mg/kg body weight provided orally once per day for 14 days), and Cd + Sal group (exposed to Cd(II) acetate as the Cd-exposed group followed by Sal 20 mg/kg body weight once per day for 14 days). Cd intoxication of mice induced significant liver and kidney injury and a significant elevation of the concentration of Cd in both organs. Treatment of Cd-exposed mice with DMSA or Sal restored the levels of the renal and hepatic functional markers and significantly decreased the concentration of the toxic metal ion in both organs. Administration of Sal improved Cd-induced alterations of the endogenous levels of the essential metal ions. Histological studies revealed that the antibiotic more effectively ameliorated the Cd effect on the liver morphology compared to DMSA. Taken together, the results confirm that the anticancer agent salinomycin is a promising antidote to Cd poisoning.
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Affiliation(s)
- Kalina Kamenova
- Faculty of Chemistry and Pharmacy, Sofia University "St. Kliment Ohridski", 1 J. Bourchier Ave, 1164, Sofia, Bulgaria
| | - Yordanka Gluhcheva
- Institute of Experimental Morphology, Pathology and Anthropology with Museum, Bulgarian Academy of Sciences, Acad. Georgi Bonchev Str., Bl. 25, 1113, Sofia, Bulgaria
| | - Ivelin Vladov
- Institute of Experimental Morphology, Pathology and Anthropology with Museum, Bulgarian Academy of Sciences, Acad. Georgi Bonchev Str., Bl. 25, 1113, Sofia, Bulgaria
| | - Silviya Stoykova
- Faculty of Chemistry and Pharmacy, Sofia University "St. Kliment Ohridski", 1 J. Bourchier Ave, 1164, Sofia, Bulgaria
| | - Juliana Ivanova
- Faculty of Medicine, Sofia University "St. Kliment Ohridski", Kozjak Str., 1, 1407, Sofia, Bulgaria.
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Gonzalez AA, Zamora L, Reyes-Martinez C, Salinas-Parra N, Roldan N, Cuevas CA, Figueroa S, Gonzalez-Vergara A, Prieto MC. (Pro)renin receptor activation increases profibrotic markers and fibroblast-like phenotype through MAPK-dependent ROS formation in mouse renal collecting duct cells. Clin Exp Pharmacol Physiol 2017; 44:1134-1144. [PMID: 28696542 DOI: 10.1111/1440-1681.12813] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Revised: 06/23/2017] [Accepted: 07/02/2017] [Indexed: 01/06/2023]
Abstract
Recent studies suggested that activation of the PRR upregulates profibrotic markers through reactive oxygen species (ROS) formation; however, the exact mechanisms have not been investigated in CD cells. We hypothesized that activation of the PRR increases the expression of profibrotic markers through MAPK-dependent ROS formation in CD cells. Mouse renal CD cell line (M-1) was treated with recombinant prorenin plus ROS or MAPK inhibitors and PRR-shRNA to evaluate their effect on the expression of profibrotic markers. PRR immunostaining revealed plasma membrane and intracellular localization. Recombinant prorenin increases ROS formation (6.0 ± 0.5 vs 3.9 ± 0.1 nmol/L DCF/μg total protein, P < .05) and expression of profibrotic markers CTGF (149 ± 12%, P < .05), α-SMA (160 ± 20%, P < .05), and PAI-I (153 ± 13%, P < .05) at 10-8 mol/L. Recombinant prorenin-induced phospho ERK 1/2 (p44 and p42) at 10-8 and 10-6 mol/L after 20 minutes. Prorenin-dependent ROS formation and augmentation of profibrotic factors were blunted by ROS scavengers (trolox, p-coumaric acid, ascorbic acid), the MEK inhibitor PD98059 and PRR transfections with PRR-shRNA. No effects were observed in the presence of antioxidants alone. Prorenin-induced upregulation of collagen I and fibronectin was blunted by ROS scavenging or MEK inhibition independently. PRR-shRNA partially prevented this induction. After 24 hours prorenin treatment M-1 cells undergo to epithelial-mesenchymal transition phenotype, however MEK inhibitor PD98059 and PRR knockdown prevented this effect. These results suggest that PRR might have a significant role in tubular damage during conditions of high prorenin-renin secretion in the CD.
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Affiliation(s)
- Alexis A Gonzalez
- Instituto de Química, Pontificia Universidad Católica de Valparaíso, Valparaiso, Chile
| | - Leonardo Zamora
- Instituto de Química, Pontificia Universidad Católica de Valparaíso, Valparaiso, Chile
| | | | - Nicolas Salinas-Parra
- Instituto de Química, Pontificia Universidad Católica de Valparaíso, Valparaiso, Chile
| | - Nicole Roldan
- Instituto de Química, Pontificia Universidad Católica de Valparaíso, Valparaiso, Chile
| | - Catherina A Cuevas
- Department of Physiology, School of Medicine, Tulane University, New Orleans, LA, USA
| | - Stefanny Figueroa
- Instituto de Química, Pontificia Universidad Católica de Valparaíso, Valparaiso, Chile
| | - Alex Gonzalez-Vergara
- Instituto de Química, Pontificia Universidad Católica de Valparaíso, Valparaiso, Chile
| | - Minolfa C Prieto
- Department of Physiology, School of Medicine, Tulane University, New Orleans, LA, USA
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The impact of oat (Avena sativa) consumption on biomarkers of renal function in patients with chronic kidney disease: A parallel randomized clinical trial. Clin Nutr 2016; 37:78-84. [PMID: 28003041 DOI: 10.1016/j.clnu.2016.11.022] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2016] [Revised: 11/15/2016] [Accepted: 11/28/2016] [Indexed: 01/07/2023]
Abstract
BACKGROUND & OBJECTIVE Animal studies report that oat (Avena sativa L) intake has favorable effects on kidney function. However, the effects of oat consumption have not been assessed in humans. The aim of this study was to examine the impact of oat intake on biomarkers of renal function in patients with chronic kidney disease (CKD). METHODS Fifty-two patients with CKD were randomly assigned to a control group (recommended to reduce intake of dietary protein, phosphorus, sodium and potassium) or an oat consumption group (given nutritional recommendations for controls +50 g/day oats). Blood urea nitrogen (BUN), serum creatinine (SCr), urine creatinine, serum albumin, serum potassium, parathyroid hormone (PTH), serum klotho and urine protein concentration were measured at baseline and after an eight-week intervention. Creatinine clearance was calculated using urine creatinine concentration. RESULTS Within group analysis showed a significant increase in BUN (P = 0.02) and serum potassium (P = 0.01) and a marginally significant increment in SCr (P = 0.08) among controls. However, changes in the oat group were not significant. In a multivariate adjusted model, we observed a significant difference in change of serum potassium (-0.03 mEq/L for oat group and 0.13 mEq/L for control group; P = 0.01) and a marginally significant difference in change of serum albumin (0.01 g/dl for oat group and -0.08 for control group; P = 0.08) between the two groups. There was no change in PTH concentration. CONCLUSION Intake of oats may have a beneficial effect on serum albumin and serum potassium in patients with CKD. REGISTRATION CODE Present study registered under IRCT.ir identifier no. IRCT2015050414551N2.
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Boz H. p-Coumaric acid in cereals: presence, antioxidant and antimicrobial effects. Int J Food Sci Technol 2015. [DOI: 10.1111/ijfs.12898] [Citation(s) in RCA: 74] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Hüseyin Boz
- Gastronomy and Culinary Arts Department; Tourism Faculty; Atatürk University; 25240 Erzurum Turkey
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Modulatory effects of methanol extract of Artocarpus altilis (Moraceae) on cadmium-induced hepatic and renal toxicity in male Wistar rats. ACTA ACUST UNITED AC 2015; 23:1-9. [PMID: 26905312 DOI: 10.1016/j.pathophys.2015.07.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Revised: 07/22/2015] [Accepted: 07/24/2015] [Indexed: 11/20/2022]
Abstract
BACKGROUND Cadmium (Cd) is an environmental risk factor with an established toxicity in animals. Therefore, natural antioxidants may be protective against Cd-toxicity. The study was designed to investigate the modulatory effects of methanol extract of Artocarpus altilis (AA) on oxidant-antioxidant balance and lipid profile in liver and kidney of Cd-exposed rats while quercetin (QE) served as standard. METHODS Total phenolic content (TPC) and 2,2-diphenyl-1-picryldydrazyl (DPPH) radical scavenging activity of AA were assessed in vitro. In vivo, rats were orally treated with AA (200mg/kg) and QE (25mg/kg) daily for three weeks and challenged with two doses of Cd (1.5mg/kg, i.p.) in the last 72h. RESULTS The TPC and DPPH scavenging effects of AA were high and comparable with catechin. Cd-intoxication significantly (p<0.05) increased the activities of serum alanine aminotransferase and levels of urea, total bilirubin and creatinine by 94%, 60%, 234% and 76%, respectively. Cd-exposure caused a significant increase (p<0.05) in serum and tissues total cholesterol, triglyceride, low-density lipoprotein-cholesterol and reduction in high-density lipoprotein-cholesterol levels. The levels of hepatic and renal antioxidant parameters: glutathione-s-transferase, superoxide dismutase and reduced glutathione were significantly (p<0.05) decreased in Cd-intoxicated rats with concomitant elevation of lipid peroxidation. Histopathological findings revealed necrosis and distortion of architecture of renal tissue and, periportal infiltration in hepatocytes of Cd-intoxicated rats. Pretreatment with AA and QE restored antioxidant status, lipid profile and attenuated the lesions in the tissues. CONCLUSIONS Extract of A. altilis protects against Cd-induced liver and kidney dysfunction via antioxidant and radical scavenging activities.
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Vo VA, Lee JW, Kim JY, Park JH, Lee HJ, Kim SS, Kwon YS, Chun W. Phosphorylation of Akt Mediates Anti-Inflammatory Activity of 1-p-Coumaroyl β-D-Glucoside Against Lipopolysaccharide-Induced Inflammation in RAW264.7 Cells. THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY : OFFICIAL JOURNAL OF THE KOREAN PHYSIOLOGICAL SOCIETY AND THE KOREAN SOCIETY OF PHARMACOLOGY 2014; 18:79-86. [PMID: 24634601 PMCID: PMC3951828 DOI: 10.4196/kjpp.2014.18.1.79] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/20/2013] [Revised: 12/17/2013] [Accepted: 12/31/2013] [Indexed: 11/15/2022]
Abstract
Hydroxycinnamic acids have been reported to possess numerous pharmacological activities such as antioxidant, anti-inflammatory, and anti-tumor properties. However, the biological activity of 1-p-coumaroyl β-D-glucoside (CG), a glucose ester derivative of p-coumaric acid, has not been clearly examined. The objective of this study is to elucidate the anti-inflammatory action of CG in lipopolysaccharide (LPS)-stimulated RAW264.7 macrophage cells. In the present study, CG significantly suppressed LPS-induced excessive production of pro-inflammatory mediators such as nitric oxide (NO) and PGE2 and the protein expression of iNOS and COX-2. CG also inhibited LPS-induced secretion of pro-inflammatory cytokines, IL-1β and TNF-α. In addition, CG significantly suppressed LPS-induced degradation of IκB. To elucidate the underlying mechanism by which CG exerts its anti-inflammatory action, involvement of various signaling pathways were examined. CG exhibited significantly increased Akt phosphorylation in a concentration-dependent manner, although MAPKs such as Erk, JNK, and p38 appeared not to be involved. Furthermore, inhibition of Akt/PI3K signaling pathway with wortmannin significantly, albeit not completely, abolished CG-induced Akt phosphorylation and anti-inflammatory actions. Taken together, the present study demonstrates that Akt signaling pathway might play a major role in CG-mediated anti-inflammatory activity in LPS-stimulated RAW264.7 macrophage cells.
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Affiliation(s)
- Van Anh Vo
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon 200-701, Korea
| | - Jae-Won Lee
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon 200-701, Korea
| | - Ji-Young Kim
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon 200-701, Korea
| | - Jun-Ho Park
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon 200-701, Korea
| | - Hee Jae Lee
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon 200-701, Korea
| | - Sung-Soo Kim
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon 200-701, Korea
| | - Yong-Soo Kwon
- College of Pharmacy, Kangwon National University, Chuncheon 200-701, Korea
| | - Wanjoo Chun
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon 200-701, Korea
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