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V P V, Rajamanikandan S, Perumal MK. Morin inhibits the activity of pancreatic lipase and adipogenesis. Eur J Pharmacol 2024; 977:176705. [PMID: 38830457 DOI: 10.1016/j.ejphar.2024.176705] [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: 02/19/2024] [Revised: 05/10/2024] [Accepted: 05/31/2024] [Indexed: 06/05/2024]
Abstract
Obesity is a major health issue that contributes significantly to increased mortality and morbidity worldwide. Obesity is caused by uncontrolled adipogenesis and lipogenesis, leading to several metabolism-associated problems. Pancreatic lipase, an enzyme that breaks down dietary lipids, is a prominent target for obesity. Orlistat, a known inhibitor of pancreatic lipase, is commonly employed for the management of obesity. However, its side effects, such as diarrhoea, nausea and bladder pain, urge to look out for safer alternatives. Morin is a pentahydroxyflavone, exerts a broad spectrum of pharmacological effects including antioxidant, anti-inflammatory, lipid lowering, anti-diabetic, anti-fibrotic, anti-cancer, etc. This study investigated the effect of morin on pancreatic lipase activity, in vitro and in vivo adipogenesis. Molecular docking and simulation studies showed morin to have a higher binding affinity towards pancreatic lipase compared with orlistat, which also inhibited its activity in vitro. Morin also reduced lipid droplet accretion and downregulated the expression of adipogenic and lipogenic genes. The acute oral toxicity of morin was determined in C57BL/6 mice, where morin did not show toxicity up to 2000 mg/kg body weight dose. Oral administration of morin to high fat diet fed mice reduced body weight, glucose and insulin levels. Also, the histopathological examination revealed reduction in adipocyte size and decreased mRNA expression of adipogenesis markers in white adipose tissue of morin administered group compared to high fat diet group. Overall, the results suggested morin inhibited pancreatic lipase activity, adipogenesis and further studies are warranted to explore its therapeutic potential for obesity.
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Affiliation(s)
- Venkateish V P
- Department of Biochemistry, CSIR-Central Food Technological Research Institute, Mysore, 570020, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Sundarraj Rajamanikandan
- Centre for Drug Discovery, Department of Biochemistry, Karpagam Academy of Higher Education, Coimbatore, 641021, Tamil Nadu, India
| | - Madan Kumar Perumal
- Department of Biochemistry, CSIR-Central Food Technological Research Institute, Mysore, 570020, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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2
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Niu C, Zhang J, Okolo PI. Liver cancer wars: plant-derived polyphenols strike back. Med Oncol 2024; 41:116. [PMID: 38625672 DOI: 10.1007/s12032-024-02353-1] [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: 02/08/2024] [Accepted: 03/06/2024] [Indexed: 04/17/2024]
Abstract
Liver cancer currently represents the leading cause of cancer-related death worldwide. The majority of liver cancer arises in the context of chronic inflammation and cirrhosis. Surgery, radiation therapy, and chemotherapy have been the guideline-recommended treatment options for decades. Despite enormous advances in the field of liver cancer therapy, an effective cure is yet to be found. Plant-derived polyphenols constitute a large family of phytochemicals, with pleiotropic effects and little toxicity. They can drive cellular events and modify multiple signaling pathways which involves initiation, progression and metastasis of liver cancer and play an important role in contributing to anti-liver cancer drug development. The potential of plant-derived polyphenols for treating liver cancer has gained attention from research clinicians and pharmaceutical scientists worldwide in the last decades. This review overviews hepatic carcinogenesis and briefly discusses anti-liver cancer mechanisms associated with plant-derived polyphenols, specifically involving cell proliferation, apoptosis, autophagy, angiogenesis, oxidative stress, inflammation, and metastasis. We focus on plant-derived polyphenols with experiment-based chemopreventive and chemotherapeutic properties against liver cancer and generalize their basic molecular mechanisms of action. We also discuss potential opportunities and challenges in translating plant-derived polyphenols from preclinical success into clinical applications.
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Affiliation(s)
- Chengu Niu
- Internal Medicine Residency Program, Rochester General Hospital, 1425 Portland Avenue, Rochester, NY, 14621, USA.
| | - Jing Zhang
- Rainier Springs Behavioral Health Hospital, 2805 NE 129th St, Vancouver, WA, 98686, USA
| | - Patrick I Okolo
- Division of Gastroenterology, Rochester General Hospital, Rochester, NY, 14621, USA
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3
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Zhao Z, Cui T, Wei F, Zhou Z, Sun Y, Gao C, Xu X, Zhang H. Wnt/β-Catenin signaling pathway in hepatocellular carcinoma: pathogenic role and therapeutic target. Front Oncol 2024; 14:1367364. [PMID: 38634048 PMCID: PMC11022604 DOI: 10.3389/fonc.2024.1367364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 03/19/2024] [Indexed: 04/19/2024] Open
Abstract
Hepatocellular carcinoma (HCC) is the most common primary malignant liver tumor and one of the leading causes of cancer-related deaths worldwide. The Wnt/β-Catenin signaling pathway is a highly conserved pathway involved in several biological processes, including the improper regulation that leads to the tumorigenesis and progression of cancer. New studies have found that abnormal activation of the Wnt/β-Catenin signaling pathway is a major cause of HCC tumorigenesis, progression, and resistance to therapy. New perspectives and approaches to treating HCC will arise from understanding this pathway. This article offers a thorough analysis of the Wnt/β-Catenin signaling pathway's function and its therapeutic implications in HCC.
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Affiliation(s)
- Zekun Zhao
- The Second Hospital of Lanzhou University, Lanzhou, China
- The Second General Surgery Department, The Second Hospital of Lanzhou University, Lanzhou, China
| | - Tenglu Cui
- The Second Hospital of Lanzhou University, Lanzhou, China
- The Radiotherapy Department, The Second Hospital of Lanzhou University, Lanzhou, China
| | - Fengxian Wei
- The Second Hospital of Lanzhou University, Lanzhou, China
- The Second General Surgery Department, The Second Hospital of Lanzhou University, Lanzhou, China
| | - Zhiming Zhou
- The Second Hospital of Lanzhou University, Lanzhou, China
- The Second General Surgery Department, The Second Hospital of Lanzhou University, Lanzhou, China
| | - Yuan Sun
- The Second Hospital of Lanzhou University, Lanzhou, China
- The Second General Surgery Department, The Second Hospital of Lanzhou University, Lanzhou, China
| | - Chaofeng Gao
- The Second Hospital of Lanzhou University, Lanzhou, China
- The Second General Surgery Department, The Second Hospital of Lanzhou University, Lanzhou, China
| | - Xiaodong Xu
- The Second Hospital of Lanzhou University, Lanzhou, China
- The Second General Surgery Department, The Second Hospital of Lanzhou University, Lanzhou, China
| | - Huihan Zhang
- The Second Hospital of Lanzhou University, Lanzhou, China
- The Second General Surgery Department, The Second Hospital of Lanzhou University, Lanzhou, China
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4
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Ram Kumar A, Selvaraj S, Azam M, Sheeja Mol G, Kanagathara N, Alam M, Jayaprakash P. Spectroscopic, Biological, and Topological Insights on Lemonol as a Potential Anticancer Agent. ACS OMEGA 2023; 8:31548-31566. [PMID: 37663516 PMCID: PMC10468887 DOI: 10.1021/acsomega.3c04922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Accepted: 08/03/2023] [Indexed: 09/05/2023]
Abstract
A monoterpene alcohol known as lemonol was investigated experimentally as well as theoretically in order to gain insights into its geometrical structure, vibrational frequencies, solvent effects on electronic properties, molecular electrostatic potential, Mulliken atomic charge distribution, natural bond orbital, and Nonlinear Optical properties. The frontier molecular orbital energy gap values of 5.9084 eV (gas), 5.9261 eV (ethanol), 5.9185 eV (chloroform), 5.9253 eV (acetone), and 5.9176 eV (diethyl ether) were predicted, and it shows the kinetic stability and chemical reactivity of lemonol. Topological studies were conducted using Multiwfn software to understand the binding sites and weak interactions in lemonol. The antiproliferative effect of lemonol against the breast cancer cell line Michigan Cancer Foundation (MCF-7) was determined by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay, while nuclear damage, condensation, and reactive oxygen species generation were identified using acridine orange/ethidium bromide, propidium iodide, and dichlorodihydrofluorescein diacetate staining. The theoretical and experimental findings are highly correlated, confirming the structure, and the results of in vitro studies suggest that lemonol acts as a potent inhibitor against the human breast cancer cell line MCF-7, highlighting its strong antiproliferative activity.
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Affiliation(s)
- A. Ram Kumar
- Department
of Biotechnology, Saveetha School of Engineering,
Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai 602105, Tamil Nadu, India
| | - S. Selvaraj
- Department
of Physics, Saveetha School of Engineering,
Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai 602105, Tamil Nadu, India
| | - Mohammad Azam
- Department
of Chemistry, College of Science, King Saud
University, PO Box 2455, Riyadh 11451, Saudi Arabia
| | - G.P. Sheeja Mol
- PG
Department of Physics, St. Joseph’s
College for Women, Alappuzha 688001, Kerala, India
- Affiliated
to University of Kerala, Thiruvananthapuram 695034, Kerala, India
| | - N. Kanagathara
- Department
of Physics, Saveetha School of Engineering,
Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai 602105, Tamil Nadu, India
| | - Mahboob Alam
- Department
of Safety Engineering, Dongguk University, 123 Dongdae-ro, Gyeongju 780714, Gyeongbuk, South Korea
| | - P. Jayaprakash
- Department
of Physics, St. Joseph’s Institute
of Technology, OMR, Chennai 600119, Tamil Nadu, India
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5
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Harithpriya K, Jayasuriya R, Adhikari T, Rai A, Ramkumar KM. Modulation of transcription factors by small molecules in β-cell development and differentiation. Eur J Pharmacol 2023; 946:175606. [PMID: 36809813 DOI: 10.1016/j.ejphar.2023.175606] [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: 11/12/2022] [Revised: 02/14/2023] [Accepted: 02/16/2023] [Indexed: 02/21/2023]
Abstract
Transcription factors regulate gene expression and play crucial roles in development and differentiation of pancreatic β-cell. The expression and/or activities of these transcription factors are reduced when β-cells are chronically exposed to hyperglycemia, which results in loss of β-cell function. Optimal expression of such transcription factors is required to maintain normal pancreatic development and β-cell function. Over many other methods of regenerating β-cells, using small molecules to activate transcription factors has gained insights, resulting in β-cells regeneration and survival. In this review, we discuss the broad spectrum of transcription factors regulating pancreatic β-cell development, differentiation and regulation of these factors in normal and pathological states. Also, we have presented set of potential pharmacological effects of natural and synthetic compounds on activities of transcription factor involved in pancreatic β-cell regeneration and survival. Exploring these compounds and their action on transcription factors responsible for pancreatic β-cell function and survival could be useful in providing new insights for development of small molecule modulators.
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Affiliation(s)
- Kannan Harithpriya
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, 603 203, Tamil Nadu, India
| | - Ravichandran Jayasuriya
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, 603 203, Tamil Nadu, India
| | - Trishla Adhikari
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, 603 203, Tamil Nadu, India
| | - Awantika Rai
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, 603 203, Tamil Nadu, India
| | - Kunka Mohanram Ramkumar
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, 603 203, Tamil Nadu, India.
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6
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Çomaklı S, Kandemir FM, Küçükler S, Özdemir S. Morin mitigates ifosfamide induced nephrotoxicity by regulation of NF-kappaB/p53 and Bcl-2 expression. Biotech Histochem 2022; 97:423-432. [PMID: 35037524 DOI: 10.1080/10520295.2021.2021449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
Ifosfamide (IFO) is used for treating childhood solid tumors, but its use is limited by its adverse effects on kidneys. Morin may be used to prevent nephrotoxic and other side effects. We investigated the underlying mechanisms of the protective effects of morin on IFO induced nephrotoxicity. We used 35 male rats divided into five groups of seven: control group, morin group, IFO group, 100 mg/kg morin + IFO group and 200 mg/kg morin + IFO group. We measured kidney tissue oxidant, antioxidant and inflammatory parameters using ELISA, and apoptosis was evaluated using immunohistochemistry and real time PCR. Serum urea, creatinine and kidney injury molecule-1 (KIM-1) levels were increased by IFO treatment; elevated levels were decreased significantly by treatment with both 100 and 200 mg/kg morin. Morin treatment also decreased oxidative stress and lipid oxidation in IFO treated rats. The ameliorative effect of morin on inflammatory response was due to reduced levels of NF-κB and TNF-α. Morin also reduced NF-κB/p53 levels by increasing Bcl-2 expression in IFO treated kidneys. Morin may prevent IFO induced nephrotoxicity via the NF-κB/p53 and Bcl-2 signaling pathways.
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Affiliation(s)
- Selim Çomaklı
- Department of Pathology, Faculty of Veterinary Medicine, Atatürk University, Erzurum, Turkey
| | - Fatih Mehmet Kandemir
- Department of Biochemistry, Faculty of Veterinary Medicine, Atatürk University, Erzurum, Turkey
| | - Sefa Küçükler
- Department of Biochemistry, Faculty of Veterinary Medicine, Atatürk University, Erzurum, Turkey
| | - Selçuk Özdemir
- Department of Genetics, Faculty of Veterinary Medicine, Atatürk University, Erzurum, Turkey
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7
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Zong F, Zhao Y. Alkaloid leonurine exerts anti-inflammatory effects via modulating MST1 expression in trophoblast cells. Immun Inflamm Dis 2021; 9:1439-1446. [PMID: 34318610 PMCID: PMC8589353 DOI: 10.1002/iid3.493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 07/03/2021] [Accepted: 07/13/2021] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Pre-eclampsia (PE) is mainly attributed to the inflammation of trophoblast cells in pregnant women, which results in damage to the maternal organs and growth retardation of the fetus. Alkaloid leonurine (LNR) is a plant compound and has anti-inflammatory effects. Here we aimed to investigate the effects of LNR on human and mouse trophoblast cells and the underlying mechanisms. METHODS The levels of the inflammatory factors in trophoblast cells under lipopolysaccharides (LPS) stimulation were analyzed with ELISA. Western blot was employed to examine the protein expression. Trophoblast cells in Mammalian ste20-like kinase 1 (MST1-/- ) or wild type (WT) mice were isolated to examine the expression of signal molecules in the nuclear factor-κB (NF-κB) pathway. Concentration-dependent activity of NF-κB was examined. The regulation of LNR and MST1 in MST1-/- trophoblast cells was studied as well. RESULTS Our data showed that LNR exhibited anti-inflammatory effects and suppressed the NF-κB signaling by inhibiting LPS-induced inflammation in trophoblast cells. LNR upregulated the expression of MST1, and the anti-inflammatory role of LNR was greatly relieved in MST1-knockout trophoblast cells, although it displayed weak roles in NF-κB signaling. CONCLUSION LNR exhibits anti-inflammatory effects on human and mouse trophoblast cells by upregulating MST1 in the NF-κB signal pathway.
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Affiliation(s)
- Fang Zong
- Department 3 of ObstetricsCangzhou Central HospitalCangzhouChina
| | - Yingzi Zhao
- Department 3 of ObstetricsCangzhou Central HospitalCangzhouChina
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8
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Wang X, Su P, Kang Y, Xu C, Qiu J, Wu J, Sheng P, Huang D, Zhang Z. Combination of Melatonin and Zoledronic Acid Suppressed the Giant Cell Tumor of Bone in vitro and in vivo. Front Cell Dev Biol 2021; 9:690502. [PMID: 34447747 PMCID: PMC8382950 DOI: 10.3389/fcell.2021.690502] [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: 04/03/2021] [Accepted: 07/20/2021] [Indexed: 11/13/2022] Open
Abstract
Melatonin (Mlt) confers potential antitumor effects in various types of cancer. However, to the best of our knowledge, the role of Mlt in the giant cell tumor of bone (GCTB) remains unknown. Moreover, further research is required to assess whether Mlt can enhance the therapeutic effect of zoledronic acid (Zol), a commonly used anti-GCTB drug. In this research, we investigated the effects of Mlt, Zol, and the combination of these two drugs on GCTB cells’ characteristics, including cell proliferation, apoptosis, osteogenic differentiation, migration, and invasion. The cell counting kit-8 (CCK-8) assay, colony formation assay, terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling assay (TUNEL), alkaline phosphatase (ALP) staining, alizarin red staining (ARS), scratch wound healing assay, and transwell experiment were performed, respectively. Our results showed that Mlt could effectively inhibit the proliferation, migration, and invasion of GCTB cells, as well as promote the apoptosis and osteogenic differentiation of tumor cells. Of note, a stronger antitumor effect was observed when Mlt was combined with Zol treatment. This therapeutic effect might be achieved by inhibiting the activation of both the Hippo and NF-κB pathways. In conclusion, our study suggests that Mlt can be a new treatment for GCTB, which could further enhance the antitumor effect of Zol.
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Affiliation(s)
- Xudong Wang
- Department of Orthopedics, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Peiqiang Su
- Department of Orthopedics, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yan Kang
- Department of Orthopedics, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Caixia Xu
- Research Centre for Translational Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Jincheng Qiu
- Department of Orthopedics, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Jinna Wu
- Department of Orthopedics, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Puyi Sheng
- Department of Orthopedics, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Dongsheng Huang
- Department of Orthopedics, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, China
| | - Ziji Zhang
- Department of Orthopedics, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
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9
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Hosseinzadeh E, Hassanzadeh A, Marofi F, Alivand MR, Solali S. Flavonoid-Based Cancer Therapy: An Updated Review. Anticancer Agents Med Chem 2021; 20:1398-1414. [PMID: 32324520 DOI: 10.2174/1871520620666200423071759] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 10/27/2019] [Accepted: 11/06/2019] [Indexed: 12/24/2022]
Abstract
As cancers are one of the most important causes of human morbidity and mortality worldwide, researchers try to discover novel compounds and therapeutic approaches to decrease survival of cancer cells, angiogenesis, proliferation and metastasis. In the last decade, use of special phytochemical compounds and flavonoids was reported to be an interesting and hopeful tactic in the field of cancer therapy. Flavonoids are natural polyphenols found in plant, fruits, vegetables, teas and medicinal herbs. Based on reports, over 10,000 flavonoids have been detected and categorized into several subclasses, including flavonols, anthocyanins, flavanones, flavones, isoflavones and chalcones. It seems that the anticancer effect of flavonoids is mainly due to their antioxidant and anti inflammatory activities and their potential to modulate molecular targets and signaling pathways involved in cell survival, proliferation, differentiation, migration, angiogenesis and hormone activities. The main aim of this review is to evaluate the relationship between flavonoids consumption and cancer risk, and discuss the anti-cancer effects of these natural compounds in human cancer cells. Hence, we tried to collect and revise important recent in vivo and in vitro researches about the most effective flavonoids and their main mechanisms of action in various types of cancer cells.
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Affiliation(s)
- Elham Hosseinzadeh
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ali Hassanzadeh
- Department of Immunology, Division of Hematology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Faroogh Marofi
- Department of Immunology, Division of Hematology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Reza Alivand
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Saeed Solali
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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10
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Rajput SA, Wang XQ, Yan HC. Morin hydrate: A comprehensive review on novel natural dietary bioactive compound with versatile biological and pharmacological potential. Biomed Pharmacother 2021; 138:111511. [PMID: 33744757 DOI: 10.1016/j.biopha.2021.111511] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/07/2021] [Accepted: 03/11/2021] [Indexed: 01/02/2023] Open
Abstract
Flavonoids are natural plant-derived dietary bioactive compounds having a substantial impact on human health. Morin hydrate is a bioflavonoid mainly obtained from fruits, stem, and leaves of Moraceae family members' plants. Plenty of evidences supported that morin hydrate exerts its beneficial effects against various chronic and life-threatening degenerative diseases. Our current article discloses the recent advances that have been studied to explore the biological/pharmacological properties and molecular mechanisms to better understand the beneficial and multiple health benefits of morin hydrate. Indeed, Morin hydrate exerts free radical scavenging, antioxidant, anti-inflammatory, anti-cancerous, anti-microbial, antidiabetic, anti-arthritis, cardioprotective, neuroprotective, nephroprotective, and hepatoprotective effects. Moreover, morin hydrate exhibits its pharmacological activities by modulating various cellular signaling pathways such as Nuclear factor kappa-light-chain-enhancer of activated B cells (NF-қB), Mitogen-activated protein kinase (MAPK), Janus kinases/ Signal transducer and activator of transcription proteins (JAKs/STATs), Kelch-like ECH-associated protein1/Nuclear erythroid-2-related factor (Keap1/Nrf2), Endoplasmic reticulum (ER), Mitochondrial-mediated apoptosis, Wnt/β-catenin, and Mechanistic target of rapamycin (mTOR). Most importantly, morin hydrate has the potential to modulate a variety of biological networks. Therefore, it can be predicted that this therapeutically potent compound could serve as a dietary agent for the expansion of human health and might be helpful for the development of the novel drug in the future. However, due to the lack of clinical trials, special human clinical trials are needed to address the effects of morin hydrate on various life-threatening disparities to recommend morin and/or morin-rich foods with other foods or bioactive dietary components, as well as dose-response interaction and safety profile.
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Affiliation(s)
- Shahid Ali Rajput
- College of Animal Science, South China Agricultural University/Guangdong Laboratory for Lingnan Modern Agriculture/Guangdong Provincial Key Laboratory of Animal Nutrition Control/National Engineering Research Center for Breeding Swine Industry, Guangzhou, Guangdong, China
| | - Xiu-Qi Wang
- College of Animal Science, South China Agricultural University/Guangdong Laboratory for Lingnan Modern Agriculture/Guangdong Provincial Key Laboratory of Animal Nutrition Control/National Engineering Research Center for Breeding Swine Industry, Guangzhou, Guangdong, China.
| | - Hui-Chao Yan
- College of Animal Science, South China Agricultural University/Guangdong Laboratory for Lingnan Modern Agriculture/Guangdong Provincial Key Laboratory of Animal Nutrition Control/National Engineering Research Center for Breeding Swine Industry, Guangzhou, Guangdong, China.
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11
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Jia G, Yang H, Diao Z, Liu Y, Sun C. Neural stem cell conditioned medium alleviates Aβ 25-35 damage to SH-SY5Y cells through the PCMT1/MST1 pathway. Eur J Histochem 2020; 64:3135. [PMID: 32705859 PMCID: PMC7388643 DOI: 10.4081/ejh.2020.3135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Accepted: 05/29/2020] [Indexed: 11/27/2022] Open
Abstract
Alzheimer's disease (AD) is a progressive, neurodegenerative disease. Accumulating evidence suggests that protein isoaspartate methyltransferase 1 (PCMT1) is highly expressed in brain tissue (substantia nigra, blue plaque, paraventricular nucleus). In this study, we investigated the effect of neural stem cell conditioned medium alleviates Aβ25-35 damage to SH-SY5Y cells by PCMT1/MST1 pathway. Results demonstrated that Aβ25-35 significantly decreased the cell viability in time and dose dependent manner. However, Neural stem cell-complete medium (NSC-CPM) or NSC-CDM had inhibitory effect on toxicity when fibrillation of Aβ25-35 occurred in their presence and NSC-CDM had a better inhibitor result. An increase of the PCMT1 expression levels was found in Aβ25-35 + NSC-CDM group. sh-PCMT1 significantly reduced the PCMT1, the cell viability and inhibited the protective effect; induced apoptosis and increased the expression of p-MST1. Overexpression of PCMT1 group reversed the effect of Aβ25-35 inhibited the cell viability and Aβ25-35 induced the apoptosis. In conclusion, NSC-CDM corrects the damage of Aβ25-35 to cells by increasing PCMT1, reducing MST phosphorylation.
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Affiliation(s)
- Guoyong Jia
- Department of Neurology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan.
| | - Hongna Yang
- Department of Critical-care Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan.
| | - Zengyan Diao
- Department of Neurology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan.
| | - Ying Liu
- Department of Neurology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan.
| | - Congcong Sun
- Department of Neurology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan.
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12
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Lori G, Paoli P, Femia AP, Pranzini E, Caselli A, Tortora K, Romagnoli A, Raugei G, Caderni G. Morin-dependent inhibition of low molecular weight protein tyrosine phosphatase (LMW-PTP) restores sensitivity to apoptosis during colon carcinogenesis: Studies in vitro and in vivo, in an Apc-driven model of colon cancer. Mol Carcinog 2019; 58:686-698. [PMID: 30582224 DOI: 10.1002/mc.22962] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 11/22/2018] [Accepted: 12/06/2018] [Indexed: 02/06/2023]
Abstract
LMW-PTP has been associated with the development of colorectal cancer (CRC) and with the resistance to chemotherapy in cancer cells. To clarify its role in vivo, we studied LMW-PTP expression in Pirc rats (F344/NTac-Apc am1137 ), genetically prone to CRC and resistant to apoptosis. In the morphologically normal mucosa (NM) of Pirc rats, a dramatic over-expression of LMW-PTP was found compared to wt rats (about 60 times higher). Moreover, LMW-PTP levels further increase in spontaneously developed Pirc colon tumors. To understand if and how LMW-PTP affects resistance to apoptosis, we studied CRC cell lines, sensitive (HT29 and HCT-116), or resistant (HT29R, HCT116R) to 5-Fluorouracil (5-FU): resistant cells over-express LMW-PTP. When resistant cells were challenged with morin, a polyphenol inhibiting LMW-PTP, a fast and dose-related down-regulation of LMW-PTP was observed. 5-FU and morin co-treatment dramatically decreased cell viability, increased apoptosis, and significantly impaired self-renewal ability of all the cancer cell lines we have studied. Similarly, we observed that, in Pirc rats, one-week morin administration (50 mg/kg) down-regulated LMW-PTP and restored the apoptotic response to 5-FU in the NM. Finally, administration of morin for a longer period led to a significant reduction in colon precancerous lesions, together with a down-regulation of LMW-PTP. Taken together, these results document the involvement of LMW-PTP in the process of CRC in vitro and in vivo. Morin treatment may be envisaged as a system to increase the sensitivity to chemotherapy and to prevent carcinogenesis.
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Affiliation(s)
- Giulia Lori
- Department of Experimental and Clinical Biomedical Sciences"Mario Serio", University of Florence, Florence, Italy
| | - Paolo Paoli
- Department of Experimental and Clinical Biomedical Sciences"Mario Serio", University of Florence, Florence, Italy
| | - Angelo Pietro Femia
- NEUROFARBA Department, Section of Pharmacology and Toxicology, University of Florence, Florence, Italy
| | - Erica Pranzini
- Department of Experimental and Clinical Biomedical Sciences"Mario Serio", University of Florence, Florence, Italy
| | - Anna Caselli
- Department of Experimental and Clinical Biomedical Sciences"Mario Serio", University of Florence, Florence, Italy
| | - Katia Tortora
- NEUROFARBA Department, Section of Pharmacology and Toxicology, University of Florence, Florence, Italy
| | - Andrea Romagnoli
- NEUROFARBA Department, Section of Pharmacology and Toxicology, University of Florence, Florence, Italy
| | - Giovanni Raugei
- Department of Experimental and Clinical Biomedical Sciences"Mario Serio", University of Florence, Florence, Italy
| | - Giovanna Caderni
- NEUROFARBA Department, Section of Pharmacology and Toxicology, University of Florence, Florence, Italy
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13
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Yue M, Zeng N, Xia Y, Wei Z, Dai Y. Morin Exerts Anti-Arthritic Effects by Attenuating Synovial Angiogenesis via Activation of Peroxisome Proliferator Activated Receptor-γ. Mol Nutr Food Res 2018; 62:e1800202. [DOI: 10.1002/mnfr.201800202] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 07/27/2018] [Indexed: 12/20/2022]
Affiliation(s)
- Mengfan Yue
- Department of Pharmacology of Chinese Materia Medica; School of Traditional Chinese Pharmacy; China Pharmaceutical University; 24 Tong Jia Xiang Nanjing 210009 China
| | - Ni Zeng
- Department of Pharmacology of Chinese Materia Medica; School of Traditional Chinese Pharmacy; China Pharmaceutical University; 24 Tong Jia Xiang Nanjing 210009 China
| | - Yufeng Xia
- Department of Pharmacology of Chinese Materia Medica; School of Traditional Chinese Pharmacy; China Pharmaceutical University; 24 Tong Jia Xiang Nanjing 210009 China
| | - Zhifeng Wei
- Department of Pharmacology of Chinese Materia Medica; School of Traditional Chinese Pharmacy; China Pharmaceutical University; 24 Tong Jia Xiang Nanjing 210009 China
| | - Yue Dai
- Department of Pharmacology of Chinese Materia Medica; School of Traditional Chinese Pharmacy; China Pharmaceutical University; 24 Tong Jia Xiang Nanjing 210009 China
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14
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Vinod Prabhu V, Elangovan P, Niranjali Devaraj S, Sakthivel KM. Targeting apoptosis by 1,2-diazole through regulation of EGFR, Bcl-2 and CDK-2 mediated signaling pathway in human non-small cell lung carcinoma A549 cells. Gene 2018; 679:352-359. [PMID: 30218747 DOI: 10.1016/j.gene.2018.09.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 08/16/2018] [Accepted: 09/06/2018] [Indexed: 12/11/2022]
Abstract
Lung cancer is the leading cause of cancer deaths worldwide and non-small cell lung carcinoma (NSCLC), a heterogeneous class of tumors, represents approximately 85% of all new lung cancer diagnosis. Conventional treatment options have limited efficacy because most cases are in the advanced stage at the time of diagnosis. The present study evaluates the anti-cancer activity of 1,2-diazole (pyrazole), a natural compound from mangrove plant Rhizophora apiculata (R.apiculata) on A549 lung carcinoma cells. In the present study the anti-cancer mechanism of pyrazole, was examined by the expression level of proteins Epidermal growth factor receptor (EGFR), Bcl-2-associated X protein (Bax), B-cell lymphoma-2 (Bcl-2) and Cyclin-dependent kinase-2 (CDK-2) which are commonly associated with the cell signaling pathways that control cell survival and apoptosis, that could facilitate to develop a novel target and effective treatment approach for patients with NSCLC. Pyrazole significantly induced cell cycle arrest and initiated apoptosis through inhibition of downstream components of EGFR tyrosine kinase pathway. Pyrazole disrupts the mitochondrial membrane potential and modulated the protein levels of Bax and Bcl-2 which could probably lead to caspase-3 activation. Furthermore, Pyrazole suppresses the expression of CDK-2 resulting in cell cycle arrest at G1 phase and in the G1-S phase transition. Taken together, the current study provides new insight in to the precise molecular mechanisms responsible for the anti-cancer activity of pyrazole in NSCLC, A549 cells. The study opens an avenue for development of a natural compound as a potential therapeutic agent which could target cell signaling pathways to combat human NSCLC.
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Affiliation(s)
- Venugopal Vinod Prabhu
- Department of Biochemistry, University of Madras, Guindy campus, Chennai 600025, Tamil Nadu, India.
| | - Perumal Elangovan
- Department of Biochemistry, University of Madras, Guindy campus, Chennai 600025, Tamil Nadu, India
| | | | - Kunnathur Murugesan Sakthivel
- Laboratory of Cytogenetics and Molecular Diagnostics, Division of Cancer Research, Regional Cancer Center, Medical College Post, Trivandrum 695011, Kerala, India; Department of Biochemistry, PSG College of Arts and Science, Coimbatore 641014, Tamil Nadu, India
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15
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Mst1 regulates colorectal cancer stress response via inhibiting Bnip3-related mitophagy by activation of JNK/p53 pathway. Cell Biol Toxicol 2017; 34:263-277. [PMID: 29063978 DOI: 10.1007/s10565-017-9417-6] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2017] [Accepted: 10/16/2017] [Indexed: 01/03/2023]
Abstract
The Hippo-Mst1 pathway is associated with tumor development and progression. However, little evidence is available for its role in colorectal cancer (CRC) stress response via mitochondrial homeostasis. In this study, we conducted gain-of function assay about Mst1 in CRC via adenovirus transfection. Then, cellular viability and apoptosis were measured via MTT, TUNEL assay, and typan blue staining. Mitochondrial function was detected via JC1 staining, mPTP opening assay, and immunofluorescence of cyt-c. Mitophagy was observed via western blots and immunofluorescence. Cell migration and proliferation were evaluated via Transwell and BrdU assay. Western blots were used to analyze the signaling pathways with JNK inhibitors or p53 siRNA. We found that Mst1 was down-regulated in CRC. Overexpression of Mst1 induced CRC apoptosis and impaired cell proliferation and migration. Functional studies have illustrated that recovery of Mst1 could activate JNK pathway which upregulated the p53 expression. The latter repressed Bnip3 transcription and activity, leading to the mitophagy arrest. The defective mitophagy impaired mitochondrial homeostasis, evoked cellular oxidative stress, and initiated the mitochondrial apoptosis. Meanwhile, bad-structured mitophagy also hindered the cancer proliferation via CyclinD/E. Moreover, Mst1-suppressed mitophagy was associated with CRC migration inhibition via regulation of CXCR4/7 expression. Collectively, our data described the comprehensive role of Mst1 in colorectal cancer stress response involving apoptosis, mobilization, and growth via handling mitophagy by JNK/p53/Bnip3 pathways.
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16
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Ou C, Sun Z, Li S, Li G, Li X, Ma J. Dual roles of yes-associated protein (YAP) in colorectal cancer. Oncotarget 2017; 8:75727-75741. [PMID: 29088905 PMCID: PMC5650460 DOI: 10.18632/oncotarget.20155] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Accepted: 07/30/2017] [Indexed: 02/07/2023] Open
Abstract
Yes-associated protein (YAP) is a downstream effector molecule of a newly emerging tumour suppressor pathway called the Hippo pathway. YAP is a transcriptional co-activator and mis-expressed in various cancers, including colorectal cancer (CRC). Accumulating studies show that the high expression of nuclear YAP is linked with tumour progression and decreased survival. Nuclear YAP can interact with other transcription factors to promote cancer cell proliferation, apoptosis, metastasis and maintenance of stemness. Therefore, YAP has the potential to be a tumour biomarker or therapeutic target for CRC. However, recently, a number of studies have supported a contradictory role for YAP as a tumour suppressor, demonstrating inhibition of the tumorigenesis of CRC, involvement in promoting cell apoptosis, and inhibiting the maintenance of intestinal stem cells and inflammatory activity. In these studies, high expression of YAP was highly correlated with worse survival in CRC. In this review, we will comprehensively summarize and analyse these paradoxical reports, and discuss both the oncogenic and tumour suppressor functions of YAP in the differential status of CRC progression. Further investigation into the mechanisms responsible for the dual function of YAP will be of great value in the prevention, early diagnosis, and therapy of CRC.
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Affiliation(s)
- Chunlin Ou
- Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, China.,Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, China
| | - Zhenqiang Sun
- Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, China.,Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China.,Department of Anorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China.,Department of Gastrointestinal Surgery, Tumor Hospital of Xinjiang Medical University, Urumqi, Xinjiang 830011, China
| | - Shen Li
- Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, China.,Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China
| | - Guiyuan Li
- Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, China.,Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China
| | - Xiayu Li
- Hunan Key Laboratory of Nonresolving Inflammation and Cancer, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, China
| | - Jian Ma
- Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan 410013, China.,Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute, Central South University, Changsha, Hunan 410078, China.,Hunan Key Laboratory of Nonresolving Inflammation and Cancer, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, China
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17
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NBPF7 promotes the proliferation of α-catenin-knockdown HaCaT cells via functional interaction with the NF-κB pathway. Oncotarget 2017; 8:65800-65808. [PMID: 29029473 PMCID: PMC5630373 DOI: 10.18632/oncotarget.19480] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Accepted: 06/29/2017] [Indexed: 12/24/2022] Open
Abstract
Loss of key components that form cell-cell adherens junctions, such as α-catenin, triggers severe epidermal hyperproliferation. However, the underlying molecular mechanisms remain largely unknown. We report here that neuroblastoma breakpoint family (NBPF) genes are upregulated and that NBPF7 specifically promotes cellular proliferation of α-catenin-silenced HaCaT cells through functional linkage with the NF-κB pathway. Genome-wide profiling of HaCaT cells shows that NBPF genes are upregulated following α-catenin knockdown. Data from western blot analyses are consistent with the activation of the NF-κB pathway as well as increased expression of NBPF7 by α-catenin knockdown. Co-immunoprecipitation assays indicate that NBPF7 could be detected in endogenous activated NF-κB immunoprecipitates. Immunoflurence analyses demonstrate that NBPF7 co-localizes with activated NF-κB in the nucleus after α-catenin silencing. Moreover, inhibition of NBPF7 decreases the proliferation of HaCaT cells and abolishes the enhanced proliferation associated with α-catenin knockdown in HaCaT cells. These results indicate that NBPF7 plays a key role in the α-catenin signaling pathway that regulates cell proliferation of keratinocytes. Our findings suggest that the classical NF-κB pathway plays a critical role in cellular proliferation and that NBPF7 is a functional mediator for α-catenin in the regulation of keratinocyte growth.
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18
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Shan L, Jiang H, Ma L, Yu Y. Yes-associated protein: A novel molecular target for the diagnosis, treatment and prognosis of hepatocellular carcinoma. Oncol Lett 2017; 14:3291-3296. [PMID: 28927078 PMCID: PMC5587989 DOI: 10.3892/ol.2017.6622] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Accepted: 01/19/2017] [Indexed: 12/19/2022] Open
Abstract
Hepatocellular carcinoma (HCC) is a common type of malignant tumor. The early-diagnosis and treatment options for HCC are limited, which is primarily due to an incomplete understanding of the underlying molecular mechanisms of the disease. Yes-associated protein (YAP) overexpression promotes proliferation and phenotypic transformation of HCC cells. Recently, elucidating the molecular mechanisms of the Hippo/YAP signaling pathway and investigating the interactions between the signaling molecules, as a potential strategy for the treatment of HCC, has become an area of interest. The present review will discuss the role of YAP in HCC pathogenesis, and the significance of YAP in diagnosis, treatment and determining the prognosis.
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Affiliation(s)
- Liang Shan
- Department of Experiment Centre, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200071, P.R. China
| | - Hongyuan Jiang
- Department of Experiment Centre, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200071, P.R. China
| | - Lifang Ma
- Department of Clinical Laboratory Medicine, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200071, P.R. China
| | - Yongchun Yu
- Department of Experiment Centre, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200071, P.R. China
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19
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Perumal N, Perumal M, Halagowder D, Sivasithamparam N. Morin attenuates diethylnitrosamine-induced rat liver fibrosis and hepatic stellate cell activation by co-ordinated regulation of Hippo/Yap and TGF-β1/Smad signaling. Biochimie 2017; 140:10-19. [PMID: 28552397 DOI: 10.1016/j.biochi.2017.05.017] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Accepted: 05/24/2017] [Indexed: 01/18/2023]
Abstract
Despite great progress in understanding the activation of hepatic stellate cells (HSCs) during liver fibrosis, therapeutic approaches to inhibit HSC activation remain very limited. Recent reports highlight Yes-associated protein (Yap) and transforming growth factor-β1 (TGF-β1) as critical regulators of HSC activation and henceforth a compound targeting Hippo/Yap and TGF-β1/Smad pathways would be a potential anti-fibrotic candidate. Morin, a dietary flavonoid, was earlier reported to inhibit HSC proliferation and induction of apoptosis of cultured HSCs, mainly by suppressing Wnt/β-catenin and NF-κB signaling, but its effect on Hippo/Yap and TGF-β1/Smad pathways was not determined. To address this concern, this study was carried out in cultured LX-2 cells and diethylnitrosamine-induced fibrotic rats. Morin activated hippo signaling through significantly increased expression of Mst1 and Lats1 with decreased expression of transcriptional effectors Yap/TAZ, thereby prevented HSC activation and also suppressed the expression of exacerbated TGF-β/Smad signaling molecules such as TGF-β1, p-Smad2/3, collagen-I, MMP-2, MMP-9 and TIMP-1 in cultured LX-2 and DEN induced fibrotic rats. Both the in vitro and in vivo results clearly showed that, morin by acting on Hippo/Yap and TGF-β1/Smad pathways, ameliorated experimental liver fibrosis, indicating that morin has potential for effective treatment of liver fibrosis.
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Affiliation(s)
- NaveenKumar Perumal
- Department of Biochemistry, University of Madras, Guindy Campus, Chennai 600 025, India
| | - MadanKumar Perumal
- Department of Biochemistry, University of Madras, Guindy Campus, Chennai 600 025, India; Department of Molecular Genetics, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Devaraj Halagowder
- Department of Zoology, University of Madras, Guindy Campus, Chennai 600 025, India
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