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Hou Q, Li G, Pan X, Zhong X, Geng X, Yang X, Yang X, Zhang B. Long-term supplementation of genistein improves immune homeostasis in the aged gut and extends the laying cycle of aged laying hens. Poult Sci 2024; 103:103670. [PMID: 38598909 PMCID: PMC11017059 DOI: 10.1016/j.psj.2024.103670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 03/06/2024] [Accepted: 03/14/2024] [Indexed: 04/12/2024] Open
Abstract
Aging is associated with alterations in gut function, including intestinal inflammation, leaky gut, and impaired epithelial regeneration. Rejuvenating the aged gut is imperative to extend the laying cycle of aged laying hens. Genistein is known to have beneficial effects on age-related diseases, but its precise role in homeostasis of the aged gut of laying hens remains to be elucidated. In this study, 160 45-wk-old Hyline Brown laying hens were continuously fed a basal diet or a diet supplemented with 40 mg/kg genistein until they reached 100 wk of age. The results revealed that long-term genistein supplementation led to an improvement in the egg production rate and feed conversion ratio, as well as an increase in egg quality. Moreover, the expression levels of senescence markers, such as β-galactosidase, P16, and P21, were decreased in the gut of genistein-treated aged laying hens. Furthermore, genistein ameliorated gut dysfunctions, such as intestinal inflammation, leaky gut, and impaired epithelial regeneration. Treg cell-derived IL-10 plays a crucial role in the genistein-induced regulation of age-related intestinal inflammation. This study demonstrates that long-term consumption of genistein improves homeostasis in the aged gut and extends the laying cycle of aged laying hens. Moreover, the link between genistein and Treg cells provides a rationale for dietary intervention against age-associated gut dysfunction.
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Affiliation(s)
- Qihang Hou
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Guang Li
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science & Technology, China Agricultural University, Haidian District, Beijing 100193, China
| | - Xianjie Pan
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science & Technology, China Agricultural University, Haidian District, Beijing 100193, China
| | - Xiang Zhong
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Xiangfei Geng
- Beijing Lab Anim Sci Tech Develp Co., LTD, Beijing 100193, China
| | - Xin Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Xiaojun Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Bingkun Zhang
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science & Technology, China Agricultural University, Haidian District, Beijing 100193, China.
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Wang J, Liu YM, Hu J, Chen C. Potential of natural products in combination with arsenic trioxide: Investigating cardioprotective effects and mechanisms. Biomed Pharmacother 2023; 162:114464. [PMID: 37060657 DOI: 10.1016/j.biopha.2023.114464] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 02/25/2023] [Accepted: 02/28/2023] [Indexed: 04/17/2023] Open
Abstract
Over the past few decades, clinical trials conducted worldwide have demonstrated the efficacy of arsenic trioxide (ATO) in the treatment of relapsed acute promyelocytic leukemia (APL). Currently, ATO has become the frontline treatments for patients with APL. However, its therapeutic applicability is severely constrained by ATO-induced cardiac side effects. Any cardioprotective agents that can ameliorate the cardiac side effects and allow exploiting the full therapeutic potential of ATO, undoubtedly gain significant attention. The knowledge and use of natural products for evidence-based therapy have grown rapidly in recent years. Here we discussed the potential mechanism of ATO-induced cardiac side effects and reviewed the studies on cardiac side effects as well as the research history of ATO in the treatment of APL. Then, We summarized the protective effects and underlying mechanisms of natural products in the treatment of ATO-induced cardiac side effects. Based on the efficacy and safety of the natural product, it has a promising future in the development of cardioprotective agents against ATO-induced cardiac side effects.
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Affiliation(s)
- Jie Wang
- Guang'anmen Hospital, China Academy of Chinese Medicine Sciences, Beijing 100053, China
| | - Yong-Mei Liu
- Guang'anmen Hospital, China Academy of Chinese Medicine Sciences, Beijing 100053, China
| | - Jun Hu
- Guang'anmen Hospital, China Academy of Chinese Medicine Sciences, Beijing 100053, China.
| | - Cong Chen
- Guang'anmen Hospital, China Academy of Chinese Medicine Sciences, Beijing 100053, China.
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Zeng Z, Wang X, Cui L, Wang H, Guo J, Chen Y. Natural Products for the Treatment of Pulmonary Hypertension: Mechanism, Progress, and Future Opportunities. Curr Issues Mol Biol 2023; 45:2351-2371. [PMID: 36975522 PMCID: PMC10047369 DOI: 10.3390/cimb45030152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/06/2023] [Accepted: 03/09/2023] [Indexed: 03/14/2023] Open
Abstract
Pulmonary hypertension (PH) is a lethal disease due to the remodeling of pulmonary vessels. Its pathophysiological characteristics include increased pulmonary arterial pressure and pulmonary vascular resistance, leading to right heart failure and death. The pathological mechanism of PH is complex and includes inflammation, oxidative stress, vasoconstriction/diastolic imbalance, genetic factors, and ion channel abnormalities. Currently, many clinical drugs for the treatment of PH mainly play their role by relaxing pulmonary arteries, and the treatment effect is limited. Recent studies have shown that various natural products have unique therapeutic advantages for PH with complex pathological mechanisms owing to their multitarget characteristics and low toxicity. This review summarizes the main natural products and their pharmacological mechanisms in PH treatment to provide a useful reference for future research and development of new anti-PH drugs and their mechanisms.
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Affiliation(s)
- Zuomei Zeng
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Xinyue Wang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Lidan Cui
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Hongjuan Wang
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Jian Guo
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
- Correspondence: (J.G.); (Y.C.)
| | - Yucai Chen
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
- Correspondence: (J.G.); (Y.C.)
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Natural ingredients from Chinese materia medica for pulmonary hypertension. Chin J Nat Med 2021; 19:801-814. [PMID: 34844719 DOI: 10.1016/s1875-5364(21)60092-4] [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: 05/02/2021] [Indexed: 11/21/2022]
Abstract
Pulmonary hypertension (PH) is a severe pathophysiological condition characterized by pulmonary artery remodeling and continuous increases in pulmonary artery pressure, which may eventually develop to right heart failure and death. Although newly discovered and incredible treatment strategies in recent years have improved the prognosis of PH, limited types of effective and economical drugs for PH still makes it as a life-threatening disease. Some drugs from Chinese materia medica (CMM) have been traditionally applied in the treatment of lung diseases. Accumulating evidence suggests active pharmaceutical ingredients (APIs) derived from those medicines brings promising future for the prevention and treatment of PH. In this review, we summarized the pharmacological effects of APIs derived from CMM which are potent in treating PH, so as to provide new thoughts for initial drug discovery and identification of potential therapeutic strategies in alternative medicine for PH.
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Hasan R, Lasker S, Hasan A, Zerin F, Zamila M, Parvez F, Rahman MM, Khan F, Subhan N, Alam MA. Canagliflozin ameliorates renal oxidative stress and inflammation by stimulating AMPK-Akt-eNOS pathway in the isoprenaline-induced oxidative stress model. Sci Rep 2020; 10:14659. [PMID: 32887916 PMCID: PMC7474058 DOI: 10.1038/s41598-020-71599-2] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Accepted: 08/19/2020] [Indexed: 12/15/2022] Open
Abstract
Diabetes is a leading cause of chronic kidney disease, and the high prevalence of sympathetic nervous system (SNS) hyperactivity in diabetic patients makes them further susceptible to SNS-mediated oxidative stress and accelerated kidney damage. Here, we investigated if canagliflozin can reverse isoprenaline (ISO)-induced renal oxidative damage in rats, a model that mimics SNS overstimulation-induced organ injuries in humans. We found that ISO administration elevates renal oxidative stress markers including malondialdehyde (MDA), advanced protein oxidation product (APOP), myeloperoxidase (MPO) and nitric oxide (NO), while depleting levels of endogenous antioxidants such as catalase (CAT), superoxide dismutase (SOD) and glutathione (GSH). Strikingly, canagliflozin treatment of ISO-treated rats not only prevents elevation of oxidative stress markers but also rescues levels of depleted antioxidants. Our results also show that canagliflozin stimulates antioxidant/anti-inflammatory signaling pathways involving AMP-activated protein kinase (AMPK), Akt and eNOS, and inhibits iNOS and NADPH oxidase isoform 4 (NOX4), all of which are associated with oxidative stress and inflammation. Further, canagliflozin prevents ISO-induced apoptosis of kidney cells by inhibiting Bax protein upregulation and caspase-3 activation. Histological examination of kidney sections reveal that canagliflozin attenuates ISO-mediated increases in inflammatory cell infiltration, collagen deposition and fibrosis. Finally, consistent with these findings, canagliflozin treatment improves kidney function in ISO-treated rats, suggesting that the antioxidant effects may be clinically translatable.
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Affiliation(s)
- Raquibul Hasan
- Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University Health Sciences Center, Mercer University, Atlanta, GA, 30341, USA.
| | - Shoumen Lasker
- Department of Pharmaceutical Sciences, North South University, Bashundhara, Dhaka, 1229, Bangladesh
| | - Ahasanul Hasan
- Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University Health Sciences Center, Mercer University, Atlanta, GA, 30341, USA
| | - Farzana Zerin
- Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University Health Sciences Center, Mercer University, Atlanta, GA, 30341, USA
| | - Mushfera Zamila
- Department of Pharmaceutical Sciences, North South University, Bashundhara, Dhaka, 1229, Bangladesh
| | - Faisal Parvez
- Department of Pharmaceutical Sciences, North South University, Bashundhara, Dhaka, 1229, Bangladesh
| | - Md Mizanur Rahman
- Department of Pharmaceutical Sciences, North South University, Bashundhara, Dhaka, 1229, Bangladesh
| | - Ferdous Khan
- Department of Pharmaceutical Sciences, North South University, Bashundhara, Dhaka, 1229, Bangladesh
| | - Nusrat Subhan
- Department of Pharmaceutical Sciences, North South University, Bashundhara, Dhaka, 1229, Bangladesh
| | - Md Ashraful Alam
- Department of Pharmaceutical Sciences, North South University, Bashundhara, Dhaka, 1229, Bangladesh.
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Hasan R, Lasker S, Hasan A, Zerin F, Zamila M, Chowdhury FI, Nayan SI, Rahman MM, Khan F, Subhan N, Alam MA. Canagliflozin attenuates isoprenaline-induced cardiac oxidative stress by stimulating multiple antioxidant and anti-inflammatory signaling pathways. Sci Rep 2020; 10:14459. [PMID: 32879422 PMCID: PMC7468124 DOI: 10.1038/s41598-020-71449-1] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 08/13/2020] [Indexed: 01/07/2023] Open
Abstract
The antidiabetic drug canagliflozin is reported to possess several cardioprotective effects. However, no studies have investigated protective effects of canagliflozin in isoprenaline (ISO)-induced cardiac oxidative damage-a model mimicking sympathetic nervous system (SNS) overstimulation-evoked cardiac injuries in humans. Therefore, we investigated protective effects of canagliflozin in ISO-induced cardiac oxidative stress, and their underlying molecular mechanisms in Long-Evans rat heart and in HL-1 cardiomyocyte cell line. Our data showed that ISO administration inflicts pro-oxidative changes in heart by stimulating production of reactive oxygen species (ROS) and reactive nitrogen species (RNS). In contrast, canagliflozin treatment in ISO rats not only preserves endogenous antioxidants but also reduces cardiac oxidative stress markers, fibrosis and apoptosis. Our Western blotting and messenger RNA expression data demonstrated that canagliflozin augments antioxidant and anti-inflammatory signaling involving AMP-activated protein kinase (AMPK), Akt, endothelial nitric oxide synthase (eNOS), nuclear factor erythroid 2-related factor 2 (Nrf2) and heme oxygenase-1 (HO-1). In addition, canagliflozin treatment attenuates pro-oxidative, pro-inflammatory and pro-apoptotic signaling mediated by inducible nitric oxide synthase (iNOS), transforming growth factor beta (TGF-β), NADPH oxidase isoform 4 (Nox4), caspase-3 and Bax. Consistently, canagliflozin treatment improves heart function marker in ISO-treated rats. In summary, we demonstrated that canagliflozin produces cardioprotective actions by promoting multiple antioxidant and anti-inflammatory signaling.
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Affiliation(s)
- Raquibul Hasan
- Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, 3001 Mercer University Drive, Atlanta, GA, 30341, USA.
| | - Shoumen Lasker
- Department of Pharmaceutical Sciences, North South University, Bashundhara, Dhaka, 1229, Bangladesh
| | - Ahasanul Hasan
- Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, 3001 Mercer University Drive, Atlanta, GA, 30341, USA
| | - Farzana Zerin
- Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University, 3001 Mercer University Drive, Atlanta, GA, 30341, USA
| | - Mushfera Zamila
- Department of Pharmaceutical Sciences, North South University, Bashundhara, Dhaka, 1229, Bangladesh
| | - Faizul Islam Chowdhury
- Department of Pharmaceutical Sciences, North South University, Bashundhara, Dhaka, 1229, Bangladesh
| | - Shariful Islam Nayan
- Department of Pharmaceutical Sciences, North South University, Bashundhara, Dhaka, 1229, Bangladesh
| | - Md Mizanur Rahman
- Department of Pharmaceutical Sciences, North South University, Bashundhara, Dhaka, 1229, Bangladesh
| | - Ferdous Khan
- Department of Pharmaceutical Sciences, North South University, Bashundhara, Dhaka, 1229, Bangladesh
| | - Nusrat Subhan
- Department of Pharmaceutical Sciences, North South University, Bashundhara, Dhaka, 1229, Bangladesh
| | - Md Ashraful Alam
- Department of Pharmaceutical Sciences, North South University, Bashundhara, Dhaka, 1229, Bangladesh.
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Gholampour F, Mohammadi Z, Karimi Z, Owji SM. Protective effect of genistein in a rat model of ischemic acute kidney injury. Gene 2020; 753:144789. [PMID: 32442578 DOI: 10.1016/j.gene.2020.144789] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Revised: 05/10/2020] [Accepted: 05/15/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND This study determined the possible anti-inflammatory and antioxidant renal protective effect of genistein, a soy isoflavone, against kidney damage and functional disorders following renal ischemia/reperfusion (I/R) in male rats. MATERIALS AND METHODS The animals were dedicated to five groups (n = 7 per group): Sham, Sham + Geni (genistein, 15 mg/kg in 1 ml 1% DMSO, i.p.), Sham + DMSO (1 ml 1% DMSO, i.p.), I/R (bilateral renal ischemia for 45 min followed by 24 h reperfusion), I/R + Geni (genistein, 15 mg/kg). 24-h urine samples, blood and tissue samples of the kidney were collected at the end of 24 h reperfusion period. RESULTS Compared to sham, sham + Geni and sham + DMSO groups, IR injury (IRI) ended in kidney dysfunction (decreased creatinine clearance, and increased fractional excretion of sodium), increased levels of malondialdehyde, decreased activities of antioxidant enzymes (superoxide dismutase, gluthatione peroxidase, and catalase), increased gene expression levels of TLR4 (Toll-like receptor 4) and TNF-α (tumor necrosis factor-alpha), as well as histological damages in kidney tissue. Genistein administration decreased all the changes. Therefore, genistein apparently protects the kidney against IRI by mitigating both oxidative stress and inflammation. The antioxidant and anti-inflammatory properties of genistein probably exert important roles in improving functional disorders and offer renal protection against IRI.
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Affiliation(s)
| | - Zahra Mohammadi
- Department of Biology, School of Sciences, Shiraz University, Shiraz, Iran
| | - Zeinab Karimi
- Shiraz Nephro-Urology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Seyed Mohammad Owji
- Department of Pathology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
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Chen Y, Chen D, Liu S, Yuan T, Guo J, Fang L, Du G. Systematic Elucidation of the Mechanism of Genistein against Pulmonary Hypertension via Network Pharmacology Approach. Int J Mol Sci 2019; 20:ijms20225569. [PMID: 31703458 PMCID: PMC6888439 DOI: 10.3390/ijms20225569] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 11/05/2019] [Accepted: 11/05/2019] [Indexed: 02/07/2023] Open
Abstract
Numerous studies have shown that genistein has a good therapeutic effect on pulmonary hypertension (PH). However, there has been no systematic research performed yet to elucidate its exact mechanism of action in relation to PH. In this study, a systemic pharmacology approach was employed to analyze the anti-PH effect of genistein. Firstly, the preliminary predicted targets of genistein against PH were obtained through database mining, and then the correlation of these targets with PH was analyzed. After that, the protein-protein interaction network was constructed, and the functional annotation and cluster analysis were performed to obtain the core targets and key pathways involved in exerting the anti-PH effect of genistein. Finally, the mechanism was further analyzed via molecular docking of genistein with peroxisome proliferator-activated receptor γ (PPARγ). The results showed that the anti-PH effect of genistein may be closely related to PPARγ, apoptotic signaling pathway, and the nitric oxide synthesis process. This study not only provides new insights into the mechanism of genistein against PH, but also provides novel ideas for network approaches for PH-related research.
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Affiliation(s)
- Yucai Chen
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China; (Y.C.); (S.L.)
| | - Di Chen
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; (D.C.); (T.Y.)
| | - Sijia Liu
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China; (Y.C.); (S.L.)
| | - Tianyi Yuan
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; (D.C.); (T.Y.)
| | - Jian Guo
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China; (Y.C.); (S.L.)
- Correspondence: (J.G.); (L.F.); (G.D.)
| | - Lianhua Fang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; (D.C.); (T.Y.)
- Correspondence: (J.G.); (L.F.); (G.D.)
| | - Guanhua Du
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; (D.C.); (T.Y.)
- Correspondence: (J.G.); (L.F.); (G.D.)
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Farruggio S, Raina G, Cocomazzi G, Librasi C, Mary D, Gentilli S, Grossini E. Genistein improves viability, proliferation and mitochondrial function of cardiomyoblasts cultured in physiologic and peroxidative conditions. Int J Mol Med 2019; 44:2298-2310. [DOI: 10.3892/ijmm.2019.4365] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Accepted: 08/02/2019] [Indexed: 11/06/2022] Open
Affiliation(s)
- Serena Farruggio
- Laboratory of Physiology and Experimental Surgery, Department of Translational Medicine, AGING Project, University of East Piedmont, I‑28100 Novara, Italy
| | - Giulia Raina
- Laboratory of Physiology and Experimental Surgery, Department of Translational Medicine, AGING Project, University of East Piedmont, I‑28100 Novara, Italy
| | - Grazia Cocomazzi
- Laboratory of Physiology and Experimental Surgery, Department of Translational Medicine, AGING Project, University of East Piedmont, I‑28100 Novara, Italy
| | - Carlotta Librasi
- Laboratory of Physiology and Experimental Surgery, Department of Translational Medicine, AGING Project, University of East Piedmont, I‑28100 Novara, Italy
| | - David Mary
- Laboratory of Physiology and Experimental Surgery, Department of Translational Medicine, AGING Project, University of East Piedmont, I‑28100 Novara, Italy
| | - Sergio Gentilli
- General Surgery Unit, Department of Health of Sciences, University of East Piedmont; University Hospital Company Major of Charity, I‑28100 Novara, Italy
| | - Elena Grossini
- Laboratory of Physiology and Experimental Surgery, Department of Translational Medicine, AGING Project, University of East Piedmont, I‑28100 Novara, Italy
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Hassanshahi M, Su Y, Khabbazi S, Fan C, Chen K, Wang J, Qian A, Howe PR, Yan D, Zhou H, Xian CJ. Flavonoid genistein protects bone marrow sinusoidal blood vessels from damage by methotrexate therapy in rats. J Cell Physiol 2018; 234:11276-11286. [DOI: 10.1002/jcp.27785] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Accepted: 10/31/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Mohammadhossein Hassanshahi
- School of Pharmacy and Medical Sciences, and UniSA Cancer Research Institute, University of South Australia Adelaide South Australia Australia
| | - Yu‐Wen Su
- School of Pharmacy and Medical Sciences, and UniSA Cancer Research Institute, University of South Australia Adelaide South Australia Australia
| | - Samira Khabbazi
- School of Pharmacy and Medical Sciences, and UniSA Cancer Research Institute, University of South Australia Adelaide South Australia Australia
| | - Chia‐Ming Fan
- School of Pharmacy and Medical Sciences, and UniSA Cancer Research Institute, University of South Australia Adelaide South Australia Australia
| | - Ke‐Ming Chen
- Institute of Orthopaedics, Lanzhou General Hospital of CPLA Lanzhou China
| | - Ju‐Fang Wang
- Institute of Modern Physics, Chinese Academy of Sciences Lanzhou Gansu China
| | - Airong Qian
- Laboratory for Bone Metabolism, Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University Xi’an Shaanxi China
| | - Peter R. Howe
- Institute for Resilient Regions, University of Southern Queensland Springfield Queensland Australia
- Clinical Nutrition Research Centre, University of Newcastle Callaghan New South Wales Australia
| | - De‐Wen Yan
- Department of Endocrinology The First Affiliated Hospital of Shenzhen University Shenzhen Guangdong China
| | - Hou‐De Zhou
- Department of Endocrinology and Metabolism National Clinical Research Center for Metabolic Disease, The Second Xiangya Hospital, Central South University Changsha Hunan China
| | - Cory J. Xian
- School of Pharmacy and Medical Sciences, and UniSA Cancer Research Institute, University of South Australia Adelaide South Australia Australia
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11
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Zhang M, Wu Y, Wang M, Wang Y, Tausif R, Yang Y. Genistein rescues hypoxia-induced pulmonary arterial hypertension through estrogen receptor and β-adrenoceptor signaling. J Nutr Biochem 2018; 58:110-118. [DOI: 10.1016/j.jnutbio.2018.04.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2017] [Revised: 04/20/2018] [Accepted: 04/21/2018] [Indexed: 12/29/2022]
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12
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Manivannan J, Prashanth M, Saravana Kumar V, Shairam M, Subburaj J. Systems biological understanding of the regulatory network and the possible therapeutic strategies for vascular calcification. MOLECULAR BIOSYSTEMS 2016; 12:3683-3694. [PMID: 27752677 DOI: 10.1039/c6mb00557h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Since there is no precise therapy for treating vascular calcification by directly targeting the vascular wall, we aim to unveil novel drug targets through mining the molecular effect of a high phosphate environment on vascular cells through computational methods. Here, we hypothesize that manipulation of the vascular pathogenic network by small molecule therapeutics predicted from prior knowledge might offer great promise. With this, we intend to understand the publicly available transcriptomic data of vascular smooth muscle cells and endothelial cells exposed to the high phosphate induced vascular calcification milieu and to re-examine the above published experiments for reasons different from those examined in the previous studies through multilevel systems biological understanding. Hence, in this study the differentially expressed genes were subjected to both upstream and downstream network analysis through multiple standalone software and web servers. To provide an insight into causal signaling, we simultaneously predicted upstream regulatory layers through transcription factor and kinome enrichment analysis. Moreover the possible systems pharmacological choices were presented in three ways as (1) drug induced expression modulation, (2) drugs that interact with upstream and downstream regulatory targets, (3) possible natural product therapeutics from target-compound relationship. Furthermore for validating the current study we have specifically evaluated the preventive effect of two predicted natural compounds in a bovine aortic calcification model. The overall observation predicts a few novel mechanisms that might be involved in vascular dysfunction and calcification in both cell types. Also, the systems pharmacological investigation provides clues for the possible therapeutic options along with validation. In conclusion, the current study indicates that reanalysis of transcriptomic data propels us to reposition the approved drugs and use natural compounds as novel therapeutic agents for vascular calcification.
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Affiliation(s)
- Jeganathan Manivannan
- AU-KBC Research Centre, MIT Campus-Anna University, Chrompet, Chennai-600044, Tamil Nadu, India.
| | - Manjunath Prashanth
- AU-KBC Research Centre, MIT Campus-Anna University, Chrompet, Chennai-600044, Tamil Nadu, India.
| | | | - Manickaraj Shairam
- AU-KBC Research Centre, MIT Campus-Anna University, Chrompet, Chennai-600044, Tamil Nadu, India.
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13
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Zhang HP, Zhao JH, Yu HX, Guo DX. Genistein ameliorated endothelial nitric oxidase synthase uncoupling by stimulating sirtuin-1 pathway in ox-LDL-injured HUVECs. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2016; 42:118-124. [PMID: 26829290 DOI: 10.1016/j.etap.2016.01.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Revised: 01/12/2016] [Accepted: 01/14/2016] [Indexed: 06/05/2023]
Abstract
Endothelial nitric oxidase synthase (eNOS) uncoupling plays a causal role in endothelial dysfunction in atherosclerosis. Genistein consumption has been associated with the prevention of atherosclerosis. However, the effect of genistein on eNOS uncoupling has not been reported. A model of oxidized low-density lipoprotein (ox-LDL)-induced injury on human umbilical vein endothelial cells (HUVECs) was established to evaluate the effect of genistein on eNOS uncoupling. We investigated the effect of genistein on NADPH oxidase-dependent superoxide production, NOX4 expression, BH4 synthesis and oxidation, the expression of GTP cyclohydrolase 1 (GCH1) and dihydrofolate reductase (DHFR). The results showed that genistein decreased superoxide production and NOX4 expression, enhanced the ratio of BH4/BH2, augmented the expressions of GCH1 and DHFR. Accompanied with genistein ameliorating eNOS uncoupling, genistein elevated the expression of sirtuin-1; furthermore, the effects of genistein on eNOS uncoupling were blunted with sirtuin-1 siRNA. The present study indicated that genistein ameliorated eNOS uncoupling was concerned with sirtuin-1 pathway in ox-LDL-injured HUVECs.
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Affiliation(s)
- Hua-ping Zhang
- Key Laboratory of Cellular Physiology, Ministry of Education, Shanxi Medical University, Taiyuan, Shanxi 030001, PR China.
| | - Jia-hui Zhao
- Key Laboratory of Cellular Physiology, Ministry of Education, Shanxi Medical University, Taiyuan, Shanxi 030001, PR China
| | - Hai-xia Yu
- Key Laboratory of Cellular Physiology, Ministry of Education, Shanxi Medical University, Taiyuan, Shanxi 030001, PR China
| | - Dong-xing Guo
- Department of Pharmacology, School of Basic Medical Sciences, Shanxi Medical University, Taiyuan, Shanxi 030001, PR China
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14
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Jiang YB, Yang YR. Trifolium pratense isoflavones improve pulmonary vascular remodelling in broiler chickens. J Anim Physiol Anim Nutr (Berl) 2015; 100:1159-1168. [PMID: 26671194 DOI: 10.1111/jpn.12424] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Accepted: 09/16/2015] [Indexed: 11/30/2022]
Abstract
Pulmonary arterial remodelling is a pathological characteristic of pulmonary arterial hypertension (PAH), which contributes to the development of sustained pulmonary hypertension. The aim of this study was to investigate the effects of dietary Trifolium pratense isoflavones on pulmonary vascular remodelling in experimental broiler pulmonary hypertension syndrome. Exposure to sub-thermoneutral environmental temperatures increased broiler's pulmonary hypertension syndrome incidence and raised expression levels of nitric oxide, endothelin and endothelial nitric oxide synthase. Dietary supplementation (20 mg/kg basal diet) with Trifolium pratense isoflavones reduced pulmonary hypertension syndrome incidence and improved pulmonary vascular remodelling without affecting growth performance. The beneficial effect likely came from isoflavone improved pulmonary vascular remodelling. Isoflavone induced inducible nitric oxide synthase expression, which led to increased nitric oxide level. The nitric oxide could mediate vasorelaxation in the lungs. At the same time, the expression of endothelin was downregulated by isoflavone. Dietary supplementation of Trifolium pratense isoflavone might be a potential therapeutic strategy for the treatment of pulmonary hypertension.
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Affiliation(s)
- Y B Jiang
- College of Animal Husbandry and Veterinary Science, Henan Agricultural University, Zhengzhou, China
| | - Y R Yang
- College of Animal Husbandry and Veterinary Science, Henan Agricultural University, Zhengzhou, China
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15
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Abbondante S, Eckel-Mahan KL, Ceglia NJ, Baldi P, Sassone-Corsi P. Comparative Circadian Metabolomics Reveal Differential Effects of Nutritional Challenge in the Serum and Liver. J Biol Chem 2015; 291:2812-28. [PMID: 26644470 DOI: 10.1074/jbc.m115.681130] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Indexed: 01/07/2023] Open
Abstract
Diagnosis and therapeutic interventions in pathological conditions rely upon clinical monitoring of key metabolites in the serum. Recent studies show that a wide range of metabolic pathways are controlled by circadian rhythms whose oscillation is affected by nutritional challenges, underscoring the importance of assessing a temporal window for clinical testing and thereby questioning the accuracy of the reading of critical pathological markers in circulation. We have been interested in studying the communication between peripheral tissues under metabolic homeostasis perturbation. Here we present a comparative circadian metabolomic analysis on serum and liver in mice under high fat diet. Our data reveal that the nutritional challenge induces a loss of serum metabolite rhythmicity compared with liver, indicating a circadian misalignment between the tissues analyzed. Importantly, our results show that the levels of serum metabolites do not reflect the circadian liver metabolic signature or the effect of nutritional challenge. This notion reveals the possibility that misleading reads of metabolites in circulation may result in misdiagnosis and improper treatments. Our findings also demonstrate a tissue-specific and time-dependent disruption of metabolic homeostasis in response to altered nutrition.
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Affiliation(s)
- Serena Abbondante
- From the Center for Epigenetics and Metabolism, U904 INSERM, and the Department of Biological Chemistry, University of California, Irvine, California 92697-4625 and
| | - Kristin L Eckel-Mahan
- From the Center for Epigenetics and Metabolism, U904 INSERM, and the Department of Biological Chemistry, University of California, Irvine, California 92697-4625 and
| | - Nicholas J Ceglia
- the Department of Biological Chemistry, University of California, Irvine, California 92697-4625 and the Institute for Genomics and Bioinformatics, School of Information and Computer Sciences, University of California, Irvine, California 92697-3435
| | - Pierre Baldi
- the Department of Biological Chemistry, University of California, Irvine, California 92697-4625 and the Institute for Genomics and Bioinformatics, School of Information and Computer Sciences, University of California, Irvine, California 92697-3435
| | - Paolo Sassone-Corsi
- From the Center for Epigenetics and Metabolism, U904 INSERM, and the Department of Biological Chemistry, University of California, Irvine, California 92697-4625 and
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16
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Yang Y, Wu Z, Meininger CJ, Wu G. L-Leucine and NO-mediated cardiovascular function. Amino Acids 2015; 47:435-47. [PMID: 25552397 DOI: 10.1007/s00726-014-1904-y] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2014] [Accepted: 12/13/2014] [Indexed: 02/06/2023]
Abstract
Reduced availability of nitric oxide (NO) in the vasculature is a major factor contributing to the impaired action of insulin on blood flow and, therefore, insulin resistance in obese and diabetic subjects. Available evidence shows that vascular insulin resistance plays an important role in the pathogenesis of cardiovascular disease, the leading cause of death in developed nations. Interestingly, increased concentrations of L-leucine in the plasma occur in obese humans and other animals with vascular dysfunction. Among branched-chain amino acids, L-leucine is unique in inhibiting NO synthesis from L-arginine in endothelial cells and may modulate cardiovascular homeostasis in insulin resistance. Results of recent studies indicate that L-leucine is an activator of glutamine:fructose-6-phosphate aminotransferase (GFAT), which is the first and a rate-controlling enzyme in the synthesis of glucosamine (an inhibitor of endothelial NO synthesis). Through stimulating the mammalian target of rapamycin signaling pathway and thus protein synthesis, L-leucine may enhance GFAT protein expression, thereby inhibiting NO synthesis in endothelial cells. We propose that reducing circulating levels of L-leucine or endothelial GFAT activity may provide a potentially novel strategy for preventing and/or treating cardiovascular disease in obese and diabetic subjects. Such means may include dietary supplementation with either α-ketoglutarate to enhance the catabolism of L-leucine in the small intestine and other tissues or with N-ethyl-L-glutamine to inhibit GFAT activity in endothelial cells. Preventing leucine-induced activation of GFAT by nutritional supplements or pharmaceutical drugs may contribute to improved cardiovascular function by enhancing vascular NO synthesis.
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Affiliation(s)
- Ying Yang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, People's Republic of China,
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17
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Kuriyama S, Morio Y, Toba M, Nagaoka T, Takahashi F, Iwakami SI, Seyama K, Takahashi K. Genistein attenuates hypoxic pulmonary hypertension via enhanced nitric oxide signaling and the erythropoietin system. Am J Physiol Lung Cell Mol Physiol 2014; 306:L996-L1005. [PMID: 24705719 DOI: 10.1152/ajplung.00276.2013] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Upregulation of the erythropoietin (EPO)/EPO receptor (EPOR) system plays a protective role against chronic hypoxia-induced pulmonary hypertension (hypoxic PH) through enhancement of endothelial nitric oxide (NO)-mediated signaling. Genistein (Gen), a phytoestrogen, is considered to ameliorate NO-mediated signaling. We hypothesized that Gen attenuates and prevents hypoxic PH. In vivo, Sprague-Dawley rats raised in a hypobaric chamber were treated with Gen (60 mkg/kg) for 21 days. Pulmonary hemodynamics and vascular remodeling were ameliorated in Gen-treated hypoxic PH rats. Gen also restored cGMP levels and phosphorylated endothelial NO synthase (p-eNOS) at Ser(1177) and p-Akt at Ser(473) expression in the lungs. Additionally, Gen potentiated plasma EPO concentration and EPOR-positive endothelial cell counts. In experiments with hypoxic PH rats' isolated perfused lungs, Gen caused NO- and phosphatidylinositol 3-kinase (PI3K)/Akt-dependent vasodilation that reversed abnormal vasoconstriction. In vitro, a combination of EPO and Gen increased the p-eNOS and the EPOR expression in human umbilical vein endothelial cells under a hypoxic environment. Moreover, Gen potentiated the hypoxic increase in EPO production from human hepatoma cells. We conclude that Gen may be effective for the prevention of hypoxic PH through the improvement of PI3K/Akt-dependent, NO-mediated signaling in association with enhancement of the EPO/EPOR system.
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Affiliation(s)
- Sachiko Kuriyama
- Department of Respiratory Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Yoshiteru Morio
- Department of Respiratory Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Michie Toba
- Department of Respiratory Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Tetsutaro Nagaoka
- Department of Respiratory Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Fumiyuki Takahashi
- Department of Respiratory Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Shin-Ichiro Iwakami
- Department of Respiratory Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Kuniaki Seyama
- Department of Respiratory Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Kazuhisa Takahashi
- Department of Respiratory Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
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18
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Mansuri ML, Parihar P, Solanki I, Parihar MS. Flavonoids in modulation of cell survival signalling pathways. GENES AND NUTRITION 2014; 9:400. [PMID: 24682883 DOI: 10.1007/s12263-014-0400-z] [Citation(s) in RCA: 106] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2013] [Accepted: 03/18/2014] [Indexed: 12/27/2022]
Abstract
Flavonoids, a family of polyphenols, generally found in various fruits and vegetables, as well as in many plant beverages such as tea, pomegranate juice, raspberry, blueberries, and red wine. Recently, studies on flavonoids have attracted scientific attention as a potential nutritional strategy to prevent a broad range of chronic disorders. Many studies suggest that consumption of these flavonoids in sufficient amount plays neuroprotective, cardioprotective, anti-inflammatory, and chemopreventive roles. While there has been a major focus on the antioxidant properties, there is an emerging view that flavonoids and their in vivo metabolites do not act only as conventional antioxidants but may also exert modulatory actions on cellular system through direct action on various signalling pathways. These pathways include phosphoinositide 3-kinase, Akt/protein kinase B, mitogen-activated protein kinase, tyrosine kinases, and protein kinase C. Various inhibitory or stimulatory actions of flavonoids on these pathways greatly affect cellular functions by altering the phosphorylation state of targeted molecules. In addition, flavonoids also modulate various gene expressions through activation of various transcription factors. Thus, the present review will bestow a breathing overview regarding the prime role of flavonoids in modulation of survival signalling pathways at cellular system.
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19
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Positive and negative regulation of insulin action by genistein in the endothelium. J Nutr Biochem 2013; 24:222-30. [DOI: 10.1016/j.jnutbio.2012.05.008] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2011] [Revised: 05/03/2012] [Accepted: 05/04/2012] [Indexed: 11/17/2022]
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Yang T, Shi HX, Wang ZT, Wang CH. Hypolipidemic effects of andrographolide and neoandrographolide in mice and rats. Phytother Res 2012; 27:618-23. [PMID: 22744979 DOI: 10.1002/ptr.4771] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2012] [Revised: 05/29/2012] [Accepted: 06/05/2012] [Indexed: 11/10/2022]
Abstract
Andrographolide (AND) and neoandrographolide (NEO) are the diterpenoids from the Andrographis paniculata (Acanthaceae). It is reported the diterpenoids exhibit a wide spectrum of biological activities. The aim of this study was to investigate the hypolipidemic effect of AND and NEO in hyperlipidemic mice induced by 75% yolk emulsion and in hyperlipidemic rats induced by high fat emulsion, respectively. The results showed that the levels of triglyceride, total cholesterol (TC) and low-density lipoprotein cholesterol were reduced by AND and NEO in a dose-dependent tendency in mice. Compared with the model group, the plasma TC levels of experimental groups with AND and NEO at 100 mg/kg dosage decreased by 23.9 and 20.2% in rats, respectively (P < 0.05). It was also found that the plasma aspartate transaminase and alanine transaminase levels were significantly decreased by feeding with AND and NEO in rats, compared with positive group (simvastatin) (P < 0.01). Otherwise, AND and NEO could protect the cardiovascular due to down-regulation of iNOS expression and up-regulation of eNOS expression. In conclusion, AND and NEO have potent hypolipidemic effects and protect the cardiovascular without significant liver damage.
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Affiliation(s)
- Tao Yang
- MOE Key Laboratory for Standardization of Chinese Medicines and SATCM Key Laboratory for New Resources and Quality Evaluation of Chinese Medicines, The Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, PRC
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22
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Huck O, Elkaim R, Davideau J, Tenenbaum H. Porphyromonas gingivalis and its lipopolysaccharide differentially regulate the expression of cathepsin B in endothelial cells. Mol Oral Microbiol 2012; 27:137-48. [DOI: 10.1111/j.2041-1014.2012.00638.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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23
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Yoshimura R, Yamamoto E, Endo Y. Morphological effects of isoflavones (daidzein and genistein) on hypothalamic oxytocin neurons in the neonatal mouse brain slice cultures. Neurosci Lett 2011; 505:87-92. [PMID: 22001574 DOI: 10.1016/j.neulet.2011.09.067] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2011] [Revised: 08/29/2011] [Accepted: 09/29/2011] [Indexed: 11/26/2022]
Abstract
In adults, oxytocin (OXT) has various central functions including social behavior and reproduction. Many of these functions are steroid dependent and are also influenced by naturally occurring phytoestrogens, isoflavones (IFs). The aim of this study was, therefore, to clarify the effects of IFs on OXT neurons in the brain. In particular, the influence of IFs on the central OXT system of infant animal needs to be examined, because IFs are increasingly consumed for weaning as well as dietary supplements. We have morphologically analyzed the central OXT neurons in neonatal mice using slice cultures treated with IFs, daidzein (Ddz) and genistein (Gen). In the supraoptic nucleus (SON) of male mice, Gen decreased the size of OXT neurons, but not of female nor in the paraventricular hypothalamic nucleus (PVN) of neither gender. In female PVN, Ddz and 17β-estradiol (E(2)) increased the frequencies of varicosity on neurites in small OXT neurons (<21μm diameter of cell body). Ddz and Gen, as well as E(2), induced prominent vacuolation of the OXT neurons more frequently in male than in female mice, and in SON than in PVN. Thus, IFs can modulate the hypothalamic OXT neurons and the effects are site-specific and sexually dimorphic, suggesting that neonatal exposure to IFs may modify such a steroid-dependent development of particular neural pathways, including OXT system.
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Affiliation(s)
- Ryoichi Yoshimura
- Division of Applied Biology, Kyoto Institute of Technology Graduate School of Science and Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan.
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24
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Pei Y, Ma P, Wang X, Zhang W, Zhang X, Zheng P, Yan L, Xu Q, Dai G. Rosuvastatin attenuates monocrotaline-induced pulmonary hypertension via regulation of Akt/eNOS signaling and asymmetric dimethylarginine metabolism. Eur J Pharmacol 2011; 666:165-72. [PMID: 21641341 DOI: 10.1016/j.ejphar.2011.05.035] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2010] [Revised: 05/17/2011] [Accepted: 05/20/2011] [Indexed: 12/22/2022]
Abstract
This study was designed to investigate whether rosuvastatin could attenuate monocrotaline-induced pulmonary hypertension via regulation of Akt/eNOS signaling pathway and asymmetric dimethylarginine (ADMA) metabolism in rats. After a single-dose injection of monocrotaline (60 mg/kg), oral administration of rosuvastatin (5mg/kg) was started from day 1 to day 28 (preventive administration) or from day 15 to day 28 (therapeutic administration), or with vehicle as corresponding controls. 28 days after monocrotaline, significant pulmonary hypertension characterized by pulmonary arterial medial wall thickening, right ventricular hypertrophy and right heart failure was observed. Rosuvastatin (5mg/kg, for 14 days and 28 days) treatment significantly attenuated monocrotaline-induced pulmonary vascular remodeling, right ventricular hypertrophy and dysfunction, and normalized the down-regulated pulmonary Akt/p-Akt and eNOS/p-eNOS expressions, while increased DDAH2 expression accompanied by decreased serum level of ADMA. However expression of PRMT1 and GSK3β/p-GSK3β did not differ among all groups (all P>0.05). We concluded that rosuvastatin inhibits monocrotaline-induced pulmonary hypertension through normalization of Akt, eNOS and DDAH2 expressions, and decreasing the level of ADMA.
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Affiliation(s)
- Yingzi Pei
- Department of Pharmacology, School of Pharmacy, Ningxia Medical University, PR China
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