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Faleti OD, Gong Y, Long J, Luo Q, Tan H, Deng S, Qiu L, Lyu X, Yao J, Wu G. TRIM72 inhibits cell migration and epithelial-mesenchymal transition by attenuating FAK/akt signaling in colorectal cancer. Heliyon 2024; 10:e37714. [PMID: 39315132 PMCID: PMC11417184 DOI: 10.1016/j.heliyon.2024.e37714] [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: 07/02/2024] [Revised: 09/03/2024] [Accepted: 09/09/2024] [Indexed: 09/25/2024] Open
Abstract
TRIM72 (MG53), a membrane repair protein with E3-ligase activity, plays a crucial role in colorectal cancer (CRC). This study examined TRIM72 expression in primary CRC tumors and paired liver metastases using RT-PCR. Findings revealed significantly lower TRIM72 levels in liver metastases compared to primary tumors (p < 0.001). Aberrant TRIM72 expression correlated with lymph node metastasis and advanced clinical stages. Overexpression of TRIM72 inhibited CRC cell migration, intravasation, and EMT in vitro and in vivo, while TRIM72 knockout increased migration and invasion. TRIM72 interacted with Focal Adhesion Kinase (FAK), implicating the FAK/Akt signaling axis in colon cancer spread. Lower TRIM72 levels were associated with reduced survival rates, highlighting its potential as a prognostic marker and therapeutic target in CRC.
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Affiliation(s)
- Oluwasijibomi Damola Faleti
- Department of Laboratory Medicine, The Third Affiliated Hospital of Southern Medical University. Guangzhou, Guangdong, 510630, China
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University. HKSAR, 999000, China
| | - Yibing Gong
- Department of Laboratory Medicine, The Third Affiliated Hospital of Southern Medical University. Guangzhou, Guangdong, 510630, China
| | - Jingyi Long
- Department of Laboratory Medicine, The Third Affiliated Hospital of Southern Medical University. Guangzhou, Guangdong, 510630, China
| | - Qingshuang Luo
- Department of Laboratory Medicine, The Third Affiliated Hospital of Southern Medical University. Guangzhou, Guangdong, 510630, China
| | - Haiqi Tan
- Department of Laboratory Medicine, The Third Affiliated Hospital of Southern Medical University. Guangzhou, Guangdong, 510630, China
| | - Simin Deng
- Department of Laboratory Medicine, The Third Affiliated Hospital of Southern Medical University. Guangzhou, Guangdong, 510630, China
| | - Lizhen Qiu
- Health Management Center, The Fourth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong, 511300, China
| | - Xiaoming Lyu
- Department of Laboratory Medicine, The Third Affiliated Hospital of Southern Medical University. Guangzhou, Guangdong, 510630, China
| | - Jinke Yao
- Department of general surgery, The Fourth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong, 511300, China
| | - Gongfa Wu
- Department of pathology, The Fourth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong, 511300, China
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2
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Amruta N, Bix G. ATN-161 Ameliorates Ischemia/Reperfusion-induced Oxidative Stress, Fibro-inflammation, Mitochondrial damage, and Apoptosis-mediated Tight Junction Disruption in bEnd.3 Cells. Inflammation 2021; 44:2377-2394. [PMID: 34420157 PMCID: PMC8380192 DOI: 10.1007/s10753-021-01509-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 05/25/2021] [Accepted: 06/27/2021] [Indexed: 12/21/2022]
Abstract
We have previously demonstrated the significance of endothelial cell-expressed α5β1 integrin in ischemic stroke, having shown that α5β1 integrin endothelial cell-selective knockout mice are significantly resistance to ischemic stroke injury via preservation of the tight junction protein claudin-5 and subsequent stabilization of the blood–brain barrier (BBB). In addition, inhibition of α5β1 by the small peptide noncompetitive integrin α5 inhibitor, ATN-161, is beneficial in a mouse model of ischemic stroke through reduction of infarct volume, edema, stabilization of the BBB, and reduced inflammation and immune cell infiltration into the brain. In continuation with our previous findings, we have further evaluated the mechanistic role of ATN-161 in vitro and found that oxygen and glucose deprivation and reperfusion (OGD/R)-induced inflammation, oxidative stress, apoptosis, mitochondrial depolarization, and fibrosis attenuate tight junction integrity via induction of α5, NLRP3, p-FAK, and p-AKT signaling in mouse brain endothelial cells. ATN-161 treatment (10 µM) effectively inhibited OGD/R-induced extracellular matrix (ECM) deposition by reducing integrin α5, MMP-9, and fibronectin expression, as well as reducing oxidative stress by reducing mitochondrial superoxide radicals, intracellular ROS, inflammation by reducing NLRP3 inflammasome, tight junction loss by reducing claudin-5 and ZO-1 expression levels, mitochondrial damage by inhibiting mitochondrial depolarization, and apoptosis via regulation of p-FAK and p-AKT levels. Taken together, our results further support therapeutically targeting α5 integrin with ATN-161, a safe, well-tolerated, and clinically validated peptide, in ischemic stroke.
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Affiliation(s)
- Narayanappa Amruta
- Department of Neurosurgery, Clinical Neuroscience Research Center, Tulane University School of Medicine, Room 1349, 131 S. Robertson, Ste 1300, New Orleans, LA, 70112, USA
| | - Gregory Bix
- Department of Neurosurgery, Clinical Neuroscience Research Center, Tulane University School of Medicine, Room 1349, 131 S. Robertson, Ste 1300, New Orleans, LA, 70112, USA. .,Department of Neurology, Tulane University School of Medicine, New Orleans, LA, 70112, USA. .,Tulane Brain Institute, Tulane University, New Orleans, LA, 70112, USA. .,Department of Neurosurgery, Clinical Neuroscience Research Center, Tulane University School of Medicine, Room 1349, 131 S. Robertson, Ste 1300, New Orleans, LA, 70112, USA.
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3
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Sung TY, Huang HL, Cheng CC, Chang FL, Wei PL, Cheng YW, Huang CC, Lee YC, HuangFu WC, Pan SL. EGFL6 promotes colorectal cancer cell growth and mobility and the anti-cancer property of anti-EGFL6 antibody. Cell Biosci 2021; 11:53. [PMID: 33726836 PMCID: PMC7962215 DOI: 10.1186/s13578-021-00561-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 02/19/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The availability of a reliable tumor target for advanced colorectal cancer (CRC) therapeutic approaches is critical since current treatments are limited. Epidermal growth factor-like domain 6 (EGFL6) has been reported to be associated with cancer development. Here, we focused on the role of EGFL6 in CRC progression and its clinical relevance. In addition, an anti-EGFL6 antibody was generated by phage display technology to investigate its potential therapeutic efficacy in CRC. RESULTS EGFL6 expression significantly increased in the colon tissues from CRC patients and mice showing spontaneous tumorigenesis, but not in normal tissue. Under hypoxic condition, EGFL6 expression was enhanced at both protein and transcript levels. Moreover, EGFL6 could promote cancer cell migration invasion, and proliferation of CRC cells via up-regulation of the ERK/ AKT pathway. EGFL6 also regulated cell migration, invasion, proliferation, and self-renewal through EGFR/αvβ3 integrin receptors. Treatment with the anti-EGFL6 antibody EGFL6-E5-IgG showed tumor-inhibition and anti-metastasis abilities in the xenograft and syngeneic mouse models, respectively. Moreover, EGFL6-E5-IgG treatment had no adverse effect on angiogenesis and wound healing CONCLUSIONS: We demonstrated that EGFL6 plays a role in CRC tumorigenesis and tumor progression, indicating that EGFL6 is a potential therapeutic target worth further investigation.
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Affiliation(s)
- Ting-Yi Sung
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, 11031, Taipei, Taiwan
| | - Han-Li Huang
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, 11031, Taipei, Taiwan.,TMU Biomedical Commercialization Center, Taipei Medical University, 11031, Taipei, Taiwan.,TMU Research Center of Cancer Translational Medicine, Taipei Medical University, No. 250, Wuxing St., 11031, Taipei, Taiwan
| | - Chun-Chun Cheng
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, No. 250, Wuxing St., 11031, Taipei, Taiwan
| | - Fu-Ling Chang
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, No. 250, Wuxing St., 11031, Taipei, Taiwan
| | - Po-Li Wei
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, No. 250, Wuxing St., 11031, Taipei, Taiwan.,Division of Colorectal Surgery, Department of Surgery, Taipei Medical University Hospital, Taipei Medical University, 11031, Taipei, Taiwan.,Translational Laboratory, Department of Medical Research, Taipei Medical University Hospital, 11031, Taipei, Taiwan.,Department of Surgery, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Ya-Wen Cheng
- Ph.D. Program for Cancer Molecular Biology and Drug Discovery, Taipei Medical University, Taipei, Taiwan
| | - Cheng-Chiao Huang
- Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, No. 250, Wuxing St., 11031, Taipei, Taiwan. .,Division of Breast Surgery, Department of Surgery, Taipei Medical University Hospital, No. 252, Wuxing St., 11031, Taipei, Taiwan.
| | - Yu-Ching Lee
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, 11031, Taipei, Taiwan. .,TMU Biomedical Commercialization Center, Taipei Medical University, 11031, Taipei, Taiwan. .,TMU Research Center of Cancer Translational Medicine, Taipei Medical University, No. 250, Wuxing St., 11031, Taipei, Taiwan. .,Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, No. 250, Wuxing St., 11031, Taipei, Taiwan.
| | - Wei-Chun HuangFu
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, 11031, Taipei, Taiwan. .,TMU Research Center of Cancer Translational Medicine, Taipei Medical University, No. 250, Wuxing St., 11031, Taipei, Taiwan. .,Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, No. 250, Wuxing St., 11031, Taipei, Taiwan. .,Ph.D. Program for Cancer Molecular Biology and Drug Discovery, Taipei Medical University, Taipei, Taiwan.
| | - Shiow-Lin Pan
- Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, 11031, Taipei, Taiwan. .,TMU Biomedical Commercialization Center, Taipei Medical University, 11031, Taipei, Taiwan. .,TMU Research Center of Cancer Translational Medicine, Taipei Medical University, No. 250, Wuxing St., 11031, Taipei, Taiwan. .,Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, No. 250, Wuxing St., 11031, Taipei, Taiwan. .,Ph.D. Program for Cancer Molecular Biology and Drug Discovery, Taipei Medical University, Taipei, Taiwan.
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4
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The Role of Csmd1 during Mammary Gland Development. Genes (Basel) 2021; 12:genes12020162. [PMID: 33530646 PMCID: PMC7912059 DOI: 10.3390/genes12020162] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/13/2021] [Accepted: 01/21/2021] [Indexed: 12/23/2022] Open
Abstract
The Cub Sushi Multiple Domains-1 (CSMD1) protein is a tumour suppressor which has been shown to play a role in regulating human mammary duct development in vitro. CSMD1 knockdown in vitro demonstrated increased cell proliferation, invasion and motility. However, the role of Csmd1 in vivo is poorly characterised when it comes to ductal development and is therefore an area which warrants further exploration. In this study a Csmd1 knockout (KO) mouse model was used to identify the role of Csmd1 in regulating mammary gland development during puberty. Changes in duct development and protein expression patterns were analysed by immunohistochemistry. This study identified increased ductal development during the early stages of puberty in the KO mice, characterised by increased ductal area and terminal end bud number at 6 weeks. Furthermore, increased expression of various proteins (Stat1, Fak, Akt, Slug/Snail and Progesterone receptor) was shown at 4 weeks in the KO mice, followed by lower expression levels from 6 weeks in the KO mice compared to the wild type mice. This study identifies a novel role for Csmd1 in mammary gland development, with Csmd1 KO causing significantly more rapid mammary gland development, suggesting an earlier adult mammary gland formation.
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5
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Memariani Z, Abbas SQ, Ul Hassan SS, Ahmadi A, Chabra A. Naringin and naringenin as anticancer agents and adjuvants in cancer combination therapy: Efficacy and molecular mechanisms of action, a comprehensive narrative review. Pharmacol Res 2020; 171:105264. [PMID: 33166734 DOI: 10.1016/j.phrs.2020.105264] [Citation(s) in RCA: 100] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Revised: 10/10/2020] [Accepted: 10/19/2020] [Indexed: 12/24/2022]
Abstract
Although the rates of many cancers are controlled in Western countries, those of some cancers, such as lung, breast, and colorectal cancer are currently increasing in many low- and middle-income countries due to increases in risk factors caused by development and societal problems. Additionally, endogenous factors, such as inherited mutations, steroid hormones, insulin, and insulin-like growth factor systems, inflammation, oxidative stress, and exogenous factors (including tobacco, alcohol, infectious agents, and radiation), are believed to compromise cell functions and lead to carcinogenesis. Chemotherapy, surgery, radiation therapy, hormone therapy, and targeted therapies are some examples of the approaches used for cancer treatment. However, various short- and long-term side effects can also considerably impact patient prognosis based on clinical factors associated with treatments. Recently, increasing numbers of studies have been conducted to identify novel therapeutic agents from natural products, among which plant-derived bioactive compounds have been increasingly studied. Naringin (NG) and its aglycone naringenin (NGE) are abundantly present in citrus fruits, such as grapefruits and oranges. Their anti-carcinogenic activities have been shown to be exerted through several cell signal transduction pathways. Recently, different pharmacological strategies based on combination therapy, involving NG and NGE with the current anti-cancer agents have shown prodigious synergistic effects when compared to monotherapy. Besides, NG and NGE have been reported to overcome multidrug resistance, resulting from different defensive mechanisms in cancer, which is one of the major obstacles of clinical treatment. Thus, we comprehensively reviewed the inhibitory effects of NG and NGE on several types of cancers through different signal transduction pathways, the roles on sensitizing with the current anticancer medicines, and the efficacy of the cancer combination therapy.
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Affiliation(s)
- Zahra Memariani
- Traditional Medicine and History of Medical Sciences Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
| | - Syed Qamar Abbas
- Department of Pharmacy, Sarhad University of Science and Technology, Peshawar, Pakistan.
| | - Syed Shams Ul Hassan
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, Shanghai, 200240, PR China.
| | - Amirhossein Ahmadi
- Pharmaceutical Sciences Research Center, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran.
| | - Aroona Chabra
- Student Research Committee, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran.
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6
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Sankhe R, Rathi E, Manandhar S, Kumar A, Pai SRK, Kini SG, Kishore A. Repurposing of existing FDA approved drugs for Neprilysin inhibition: An in-silico study. J Mol Struct 2020; 1224:129073. [PMID: 32834116 PMCID: PMC7422802 DOI: 10.1016/j.molstruc.2020.129073] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 08/11/2020] [Accepted: 08/11/2020] [Indexed: 12/17/2022]
Abstract
Drug repurposing of FDA approved drugs from ZINC 12 database was done using the crystal structure of extracellular domain of human NEP (PDB ID: 5JMY) The interactions with catalytic triad of HIS583, HIS587 and GLU646 are important for NEP inhibition. Based on XP molecular docking, binding energy, IFD-SP and MD simulation top 4 NEP inhibitors were identified. ZINC000000601283 and ZINC000003831594 were found to be stable during MD simulation and may act as NEP inhibitors.
Neprilysin (NEP) is a neutral endopeptidase with diverse physiological roles in the body. NEP's role in degradation of diverse classes of peptides such as amyloid beta, natriuretic peptide, substance P, angiotensin, endothelins, etc., is associated with pathologies of alzheimer's, kidney and heart diseases, obesity, diabetes and certain malignancies. Hence, the functional inhibition of NEP in the above systems can be a good therapeutic target. In the present study, in-silico drug repurposing approach was used to identify NEP inhibitors. Molecular docking was carried out using GLIDE tool. 2934 drugs from the ZINC12 database were screened using high throughput virtual screening (HTVS) followed by standard precision (SP) and extra precision (XP) docking. Based on the XP docking score and ligand interaction, the top 8 hits were subjected to free ligand binding energy calculation, to filter out 4 hits (ZINC000000001427, ZINC000001533877, ZINC000000601283, and ZINC000003831594). Further, induced fit docking-standard precision (IFD-SP) and molecular dynamics (MD) studies were performed. The results obtained from MD studies suggest that ZINC000000601283-NEP and ZINC000003831594-NEP complexes were most stable for 20ns simulation period as compared to ZINC000001533877-NEP and ZINC000000001427-NEP complexes. Interestingly, ZINC000000601283 and ZINC000003831594 showed similarity in binding with the reported NEP inhibitor sacubitrilat. Findings from this study suggest that ZINC000000601283 and ZINC000003831594 may act as NEP inhibitors. In future studies, the role of ZINC000000601283 and ZINC000003831594 in NEP inhibition should be tested in biological systems to evaluate therapeutic effect in NEP associated pathological conditions.
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Affiliation(s)
- Runali Sankhe
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal - 576104, Karnataka, India
| | - Ekta Rathi
- Department of Pharmaceutical Chemistry, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal - 576104, Karnataka, India
| | - Suman Manandhar
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal - 576104, Karnataka, India
| | - Avinash Kumar
- Department of Pharmaceutical Chemistry, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal - 576104, Karnataka, India
| | - Sreedhara Ranganath K Pai
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal - 576104, Karnataka, India
| | - Suvarna G Kini
- Department of Pharmaceutical Chemistry, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal - 576104, Karnataka, India
| | - Anoop Kishore
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal - 576104, Karnataka, India
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7
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Yadegari S, Saidijam M, Moradi M, Dastan D, Mahdavinezhad A. Aerial Parts of Peucedanum chenur Have Anti-Cancer Properties through the Induction of Apoptosis and Inhibition of Invasion in Human Colorectal Cancer Cells. IRANIAN BIOMEDICAL JOURNAL 2020; 24:314-23. [PMID: 32429645 PMCID: PMC7392135 DOI: 10.29252/ibj.24.5.309] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Background: The Peucedanum species have many pharmacological effects due to the presence of coumarins, flavonoids, phenolic compounds, and essential fatty acids in these species. In this study, for the first time, the anticancer activity of Peucedanum chenur methanolic extract via the induction of apoptosis and inhibition of invasion in HCT-116 human colon cancer cells was investigated. Methods: P. chenur methanolic extract effect on HCT-116 cells viability and antioxidant activity were evaluated using MTT assay, DPPH, and iron chelating tests, respectively. Changes in mRNA expression level in a panel of relevant genes were assessed by the quantitative real-time PCR. Also, apoptosis was assessed by cell cycle analysis and Annexin V/PI method, and the effect on cell migration was tested using scratch test. Results: P. chenur methanolic extract increased significantly the expression of BAX while decreased the expression of BCL-2, AKT1, FAK, RhoA, and MMP genes compared to the control group. BAX/BCL-2 ratio and apoptosis elevated, whereas cell migration reduced significantly. Besides, our extract showed an appropriate antioxidant activity. Conclusion: P. chenur may be introduced as a new chemopreventive agent in medicine due to its notable power in terms of induction of apoptosis and inhibition of invasion.
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Affiliation(s)
- Saeed Yadegari
- Research Center for Molecular Medicine and Genetics, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Massuod Saidijam
- Research Center for Molecular Medicine and Genetics, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Mohammadreza Moradi
- Research Center for Molecular Medicine and Genetics, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Dara Dastan
- Medicinal Plants and Natural Products Research Center, Hamadan University of Medical Sciences, Hamadan, Iran.,Department of Pharmacognosy and Pharmaceutical Biotechnology, School of Pharmacy, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Ali Mahdavinezhad
- Research Center for Molecular Medicine and Genetics, Hamadan University of Medical Sciences, Hamadan, Iran
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8
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Shi YB, Li J, Lai XN, Jiang R, Zhao RC, Xiong LX. Multifaceted Roles of Caveolin-1 in Lung Cancer: A New Investigation Focused on Tumor Occurrence, Development and Therapy. Cancers (Basel) 2020; 12:cancers12020291. [PMID: 31991790 PMCID: PMC7073165 DOI: 10.3390/cancers12020291] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 01/13/2020] [Accepted: 01/22/2020] [Indexed: 12/26/2022] Open
Abstract
Lung cancer is one of the most common and malignant cancers with extremely high morbidity and mortality in both males and females. Although traditional lung cancer treatments are fast progressing, there are still limitations. Caveolin-1 (Cav-1), a main component of caveolae, participates in multiple cellular events such as immune responses, endocytosis, membrane trafficking, cellular signaling and cancer progression. It has been found tightly associated with lung cancer cell proliferation, migration, apoptosis resistance and drug resistance. In addition to this, multiple bioactive molecules have been confirmed to target Cav-1 to carry on their anti-tumor functions in lung cancers. Cav-1 can also be a predictor for lung cancer patients’ prognosis. In this review, we have summarized the valuable research on Cav-1 and lung cancer in recent years and discussed the multifaceted roles of Cav-1 on lung cancer occurrence, development and therapy, hoping to provide new insights into lung cancer treatment.
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Affiliation(s)
- Yu-Bo Shi
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (Y.-B.S.); (J.L.); (X.-N.L.); (R.-C.Z.)
- Queen Mary School, Jiangxi Medical College of Nanchang University, Nanchang 330006, China;
| | - Jun Li
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (Y.-B.S.); (J.L.); (X.-N.L.); (R.-C.Z.)
- Second Clinical Medical College, Nanchang University, Nanchang 330006, China
| | - Xing-Ning Lai
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (Y.-B.S.); (J.L.); (X.-N.L.); (R.-C.Z.)
- Second Clinical Medical College, Nanchang University, Nanchang 330006, China
| | - Rui Jiang
- Queen Mary School, Jiangxi Medical College of Nanchang University, Nanchang 330006, China;
| | - Rui-Chen Zhao
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (Y.-B.S.); (J.L.); (X.-N.L.); (R.-C.Z.)
- Queen Mary School, Jiangxi Medical College of Nanchang University, Nanchang 330006, China;
| | - Li-Xia Xiong
- Department of Pathophysiology, Basic Medical College, Nanchang University, Nanchang 330006, China; (Y.-B.S.); (J.L.); (X.-N.L.); (R.-C.Z.)
- Jiangxi Province Key Laboratory of Tumor Pathogenesis and Molecular Pathology, Nanchang 330006, China
- Correspondence: ; Tel.: +86-791-8636-0556
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9
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The Psoriasis Therapeutic Potential of a Novel Short Laminin Peptide C16. Int J Mol Sci 2019; 20:ijms20133144. [PMID: 31252620 PMCID: PMC6651782 DOI: 10.3390/ijms20133144] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Accepted: 06/25/2019] [Indexed: 01/18/2023] Open
Abstract
Psoriasis is a chronic inflammatory skin disease characterized by excessive growth of keratinocytes and hyperkeratosis in the epidermis. An abnormality of the non-lesional epidermis at an early stage of psoriasis is involved in triggering inflammatory cell infiltration into the dermis. Integrin α5β1 acts as a receptor for fibronectin and has been found to be overexpressed in non-lesional psoriatic epidermis. To investigate whether α5β1 integrin has a potential as a drug target for psoriasis treatment, the α5β1 integrin-binding peptide, C16, was used to obstruct the HaCat keratinocyte cellular responses induced by fibronectin (Fn) in culture and psoriasis-like skin inflammation induced in mice by imiquimod (IMQ). The C16 exhibited antagonistic activity against α5β1 integrin in HaCat cells, with evidence of suppression of the Fn-mediated proliferative, cytoskeletal, and inflammatory responses. Topical treatment with C16 greatly reduced the IMQ-induced epidermal hyperplasia, infiltration of neutrophils/macrophages, and expression of pro-inflammatory mediators in mouse skin. The C16SP (C16-derived short peptide; DITYVRLKF) also exhibited antagonistic activity, suppressing α5β1 integrin activity in culture, and reducing IMQ-induced skin inflammation. Taken together, this study provides the first evidence that α5β1 integrin may be a potential drug target for psoriasis. The synthetic C16 peptide may serve as an agent for psoriasis therapy.
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10
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Schmitt M, Sinnberg T, Nalpas NC, Maass A, Schittek B, Macek B. Quantitative Proteomics Links the Intermediate Filament Nestin to Resistance to Targeted BRAF Inhibition in Melanoma Cells. Mol Cell Proteomics 2019; 18:1096-1109. [PMID: 30890564 PMCID: PMC6553926 DOI: 10.1074/mcp.ra119.001302] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 02/15/2019] [Indexed: 12/21/2022] Open
Abstract
Targeted inhibition of mutated kinases using selective MAP kinase inhibitors in malignant melanoma often results in temporary improvement of clinical symptoms followed by rapid development of resistance. To gain insights in molecular processes that govern resistance, we performed SILAC-based quantitative proteomics profiling of vemurafenib-resistant and -sensitive melanoma cells. Among downregulated proteins in vemurafenib-resistant cell lines we detected multiple proteins involved in cytoskeletal organization and signaling, including the intermediate filament nestin, which was one of the most downregulated proteins. Previous studies showed that nestin is expressed in various types of solid tumors and its abundance correlates with malignant phenotype of transformed cells. However, the role of nestin in cancer cells regarding acquired resistance is still poorly understood. We performed CRISPR/Cas9 knockout of the nestin gene (NES) in vemurafenib-sensitive cells and showed that loss of nestin leads to increased cellular proliferation and colony formation upon treatment with BRAFV600E and MEK inhibitors. Moreover, nestin depletion led to increased invasiveness and metalloproteinase activity like the phenotype of melanoma cells with acquired resistance to the BRAF inhibitor. Finally, phosphoproteome analysis revealed that nestin depletion influenced signaling through integrin and PI3K/AKT/mTOR pathways and led to increased focal adhesion kinase abundance and phosphorylation. Taken together, our results reveal that nestin is associated with acquired vemurafenib resistance in melanoma cells.
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Affiliation(s)
- Marisa Schmitt
- From the ‡Proteome Center Tuebingen, Interfaculty Institute for Cell Biology, University of Tuebingen, Tuebingen, Germany
| | - Tobias Sinnberg
- §Center for Dermatooncology, Department of Dermatology, University of Tuebingen, Tuebingen, Germany
| | - Nicolas C Nalpas
- From the ‡Proteome Center Tuebingen, Interfaculty Institute for Cell Biology, University of Tuebingen, Tuebingen, Germany
| | - Annika Maass
- From the ‡Proteome Center Tuebingen, Interfaculty Institute for Cell Biology, University of Tuebingen, Tuebingen, Germany
| | - Birgit Schittek
- §Center for Dermatooncology, Department of Dermatology, University of Tuebingen, Tuebingen, Germany
| | - Boris Macek
- From the ‡Proteome Center Tuebingen, Interfaculty Institute for Cell Biology, University of Tuebingen, Tuebingen, Germany;
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11
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More SK, Vomhof-Dekrey EE, Basson MD. ZINC4085554 inhibits cancer cell adhesion by interfering with the interaction of Akt1 and FAK. Oncol Lett 2019; 17:5251-5260. [PMID: 31186741 DOI: 10.3892/ol.2019.10192] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 02/27/2019] [Indexed: 11/06/2022] Open
Abstract
Perioperative or circulatory forces enhance disseminated cancer cell adhesiveness by modulating focal adhesion kinase (FAK)-Akt1 interaction. Selectively blocking FAK-Akt1 interaction by a peptide derived from the FAK-Four-point-one, ezrin, radixin, moesin (FERM) domain reduces colon cancer cell adhesion in vitro and in mice. A preliminary in silico screening identified two small molecules resembling a peptide that may inhibit pressure-stimulated SW620 cancer cell adhesion to collagen I. The present study selected ZINC4085554 for further study to validate its proposed mechanism of action, using human SW620 colon cancer cells as a model system. At 25 and 50 µM, ZINC4085554 inhibited the pressure-stimulated adhesion of SW620 colon cancer cells to collagen I. This molecule prevented pressure-stimulated FAK-Tyr-397 phosphorylation; however, it did not affect Akt1-Ser-473 phosphorylation, indicating that ZINC4085554 acts downstream of Akt1, while Akt-Thr-308 remains unchanged in the presence of pressure and or ZINC4085554. Indeed, ZINC4085554 inhibited FAK-Akt1 interaction in response to increased extracellular pressure, consistent with the proposed mechanism. ZINC4085554 did not inhibit FAK-Tyr-397 phosphorylation in response to cell adhesion to collagen I, indicating the specificity of the inhibitory effects towards force-stimulated pathways. Finally, the present study confirmed that ZINC4085554 at 50 µM prevented pressure-activation of adhesion to surgical wounds in vivo in parallel to its ablation of intracellular signaling. In summary, ZINC4085554 is a small molecule mimicking part of the structure of FAK that reduces cancer cell adhesion by impairing pressure-stimulated FAK-Akt1 interaction and its downstream consequences. ZINC4085554 does not inhibit conventional outside-in FAK signaling and may be less toxic than global FAK inhibitors, and ZINC4085554 may be an important step towards the inhibition of metastasis.
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Affiliation(s)
- Shyam K More
- Department of Surgery, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND 58202, USA
| | - Emilie E Vomhof-Dekrey
- Department of Surgery, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND 58202, USA
| | - Marc D Basson
- Department of Surgery, University of North Dakota School of Medicine and Health Sciences, Grand Forks, ND 58202, USA
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12
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Ling Y, Kuang Y, Chen LL, Lao WF, Zhu YR, Wang LQ, Wang D. A novel RON splice variant lacking exon 2 activates the PI3K/AKT pathway via PTEN phosphorylation in colorectal carcinoma cells. Oncotarget 2018; 8:39101-39116. [PMID: 28388571 PMCID: PMC5503598 DOI: 10.18632/oncotarget.16603] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Accepted: 03/01/2017] [Indexed: 11/25/2022] Open
Abstract
Abnormal expression of the Recepteur d'Origine Nantais (RON) receptor tyrosine kinase is accompanied by the generation of multiple splice or truncated variants, which mediate many critical cellular functions that contribute to tumor progression and metastasis. Here, we report a new RON splice variant in the human colorectal cancer (CRC) cell line HT29. This variant is a 165 kda protein generated by alternative pre-mRNA splicing that eliminates exon 2, causing an in-frame deletion of 63 amino acids in the extracellular domain of the RON β chain. The deleted transcript was a single chain expressed in the intracellular compartment. Although it lacked tyrosine phosphorylation activity, the RONΔ165E2 variant could phosphorylate phosphatase and tensin homolog (PTEN), thereby activating the PI3K/AKT pathway. In addition, in vitro and in vivo experiments showed that the RONΔ165E2 promoted cell migration and tumor growth. Finally, in an investigation of 67 clinical CRC samples, the variant was highly expressed in about 58% of the samples, and was positively correlated with the invasive depth of the tumor (P < 0.05). These results demonstrate that the novel RONΔ165E2 variant promoted tumor progression while activating the PI3K/AKT pathway via PTEN phosphorylation.
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Affiliation(s)
- Yu Ling
- Department of Colorectal Surgery, Sir Run Run Shaw Hospital, Zhejiang University of Medicine, Hangzhou, Zhejiang 310016, People's Republic of China
| | - Yeye Kuang
- Biomedical Center, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, People's Republic of China
| | - Lin-Lin Chen
- Department of Colorectal Surgery, Sir Run Run Shaw Hospital, Zhejiang University of Medicine, Hangzhou, Zhejiang 310016, People's Republic of China
| | - Wei-Feng Lao
- Department of Colorectal Surgery, Sir Run Run Shaw Hospital, Zhejiang University of Medicine, Hangzhou, Zhejiang 310016, People's Republic of China
| | - Yao-Ru Zhu
- Department of Colorectal Surgery, Sir Run Run Shaw Hospital, Zhejiang University of Medicine, Hangzhou, Zhejiang 310016, People's Republic of China
| | - Le-Qi Wang
- Department of Colorectal Surgery, Sir Run Run Shaw Hospital, Zhejiang University of Medicine, Hangzhou, Zhejiang 310016, People's Republic of China
| | - Da Wang
- Department of Colorectal Surgery, Sir Run Run Shaw Hospital, Zhejiang University of Medicine, Hangzhou, Zhejiang 310016, People's Republic of China
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13
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MiR-375 inhibits the hepatocyte growth factor-elicited migration of mesenchymal stem cells by downregulating Akt signaling. Cell Tissue Res 2018; 372:99-114. [PMID: 29322249 DOI: 10.1007/s00441-017-2765-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2016] [Accepted: 09/04/2017] [Indexed: 01/04/2023]
Abstract
The migration of mesenchymal stem cells (MSCs) is critical for their use in cell-based therapies. Accumulating evidence suggests that microRNAs are important regulators of MSC migration. Here, we report that the expression of miR-375 was downregulated in MSCs treated with hepatocyte growth factor (HGF), which strongly stimulates the migration of these cells. Overexpression of miR-375 decreased the transfilter migration and the migration velocity of MSCs triggered by HGF. In our efforts to determine the mechanism by which miR-375 affects MSC migration, we found that miR-375 significantly inhibited the activation of Akt by downregulating its phosphorylation at T308 and S473, but had no effect on the activity of mitogen-activated protein kinases. Further, we showed that 3'phosphoinositide-dependent protein kinase-1 (PDK1), an upstream kinase necessary for full activation of Akt, was negatively regulated by miR-375 at the protein level. Moreover, miR-375 suppressed the phosphorylation of focal adhesion kinase (FAK) and paxillin, two important regulators of focal adhesion (FA) assembly and turnover, and decreased the number of FAs at cell periphery. Taken together, our results demonstrate that miR-375 inhibits HGF-elicited migration of MSCs through downregulating the expression of PDK1 and suppressing the activation of Akt, as well as influencing the tyrosine phosphorylation of FAK and paxillin and FA periphery distribution.
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14
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Regulation of focal adhesion turnover in SDF-1α-stimulated migration of mesenchymal stem cells in neural differentiation. Sci Rep 2017; 7:10013. [PMID: 28855566 PMCID: PMC5577153 DOI: 10.1038/s41598-017-09736-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Accepted: 07/28/2017] [Indexed: 12/13/2022] Open
Abstract
Directed migration of the transplanted mesenchymal stem cells (MSCs) to the lesion sites plays a pivotal role in the efficacy of cell-based therapy. Our previous study demonstrates that MSCs under varying neural differentiation states possess different migratory capacities in response to chemoattractants. However, the underlying mechanism has not been fully addressed. Herein, we show that the assembly and turnover of focal adhesions, the phosphorylation of FAK and paxillin, and the reorganisation of F-actin in MSCs are closely related to their differentiation states in response to SDF-1α. Upon SDF-1α stimulation, FAs turnover more rapidly with the most obvious reduction in the existing time of FAs in MSCs of 24-h preinduction that exhibit the most effective migration towards SDF-1α. Further, we confirm that PI3K/Akt and MAPK pathways participate in the regulation of SDF-1α-induced cell migration and FA assembly, and moreover, that the regulatory effects vary greatly depending on the differentiation states. Collectively, these results demonstrate that FA assembly and turnover, which is accompanied with F-actin reorganisation in response to SDF-1α, correlates closely with the differentiation states of MSCs, which might contribute to the different chemotactic responses of these cells, and thus help develop new strategy to improve the efficacy of MSCs-based therapy.
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15
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Sawadsopanon T, Meksawan K, Chanvorachote P. Aspartame inhibits migration of human intestinal epithelial cells. J Food Biochem 2016. [DOI: 10.1111/jfbc.12341] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tawiwan Sawadsopanon
- Department of Food and Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences; Chulalongkorn University; Bangkok Thailand
- Cell-based Drug and Health Product Development Research Unit, Chulalongkorn University; Bangkok Thailand
| | - Kulwara Meksawan
- Department of Food and Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences; Chulalongkorn University; Bangkok Thailand
- Cell-based Drug and Health Product Development Research Unit, Chulalongkorn University; Bangkok Thailand
| | - Pithi Chanvorachote
- Cell-based Drug and Health Product Development Research Unit, Chulalongkorn University; Bangkok Thailand
- Department of Physiology and Pharmacology, Faculty of Pharmaceutical Sciences; Chulalongkorn University; Bangkok Thailand
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16
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Mizerska-Kowalska M, Bojarska-Junak A, Jakubowicz-Gil J, Kandefer-Szerszeń M. Neutral endopeptidase (NEP) is differentially involved in biological activities and cell signaling of colon cancer cell lines derived from various stages of tumor development. Tumour Biol 2016; 37:13355-13368. [PMID: 27460083 PMCID: PMC5097095 DOI: 10.1007/s13277-016-5248-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Accepted: 07/15/2016] [Indexed: 01/08/2023] Open
Abstract
The presented studies were aimed at exploring the role of neutral endopeptidase (NEP) in the function of colon cancer cell lines LS 180 and SW 620, derived from different grades and stages of tumor development. NEP silencing by siRNA resulted in decreased viability and proliferation accompanied by increased apoptosis in both cell lines. Additionally, cell cycle arrest at the G2/M phase was observed, but only in LS 180 cells. Opposite to these results, serum-stimulated migration was increased in both cell lines. Furthermore, NEP silencing influenced the invasive activity of LS 180 and SW 620 cells in an opposite manner: while LS 180 cells showed an enhanced invasiveness, SW 620 cells exerted a reduced activity. An exploration of the activity of signaling molecules responsible for the function of tumor cells—Akt, PTEN, and FAK—after NEP silencing indicated that the endopeptidase is involved in their regulation. The increased phosphorylation level of Akt was accompanied by a decrease in PTEN in the presence of a high concentration of serum. A reduced concentration of serum did not change the phosphorylation status of Akt. Enhanced autophosphorylation of FAK was observed in LS 180 and SW 620 cells cultivated in a medium with a high concentration of serum. Taken together, these results confirm that NEP is implicated in the regulation of the survival, growth, and motile activity of colon cancer. This is also the first report which shows that NEP mediates cancer cell migration and invasiveness, but not growth and survival, through Akt/FAK signaling pathways.
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Affiliation(s)
- Magdalena Mizerska-Kowalska
- Department of Virology and Immunology, Maria Curie-Sklodowska University, Faculty of Biology and Biotechnology, Akademicka 19 Street, 20-033, Lublin, Poland.
| | - Agnieszka Bojarska-Junak
- Chair and Department of Clinical Immunology, Medical University of Lublin, W.Chodźki 4a Street, Lublin, Poland
| | - Joanna Jakubowicz-Gil
- Department of Comparative Anatomy and Anthropology, Maria Curie-Sklodowska University, Faculty of Biology and Biotechnology, Akademicka 19 Street, 20-033, Lublin, Poland
| | - Martyna Kandefer-Szerszeń
- Department of Virology and Immunology, Maria Curie-Sklodowska University, Faculty of Biology and Biotechnology, Akademicka 19 Street, 20-033, Lublin, Poland
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17
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DUBON MARIAJOSE, PARK KISOOK. The mechanisms of substance P-mediated migration of bone marrow-derived mesenchymal stem cell-like ST2 cells. Int J Mol Med 2016; 37:1105-11. [DOI: 10.3892/ijmm.2016.2496] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Accepted: 02/17/2016] [Indexed: 11/06/2022] Open
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18
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Kipkeew F, Kirsch M, Klein D, Wuelling M, Winterhager E, Gellhaus A. CCN1 (CYR61) and CCN3 (NOV) signaling drives human trophoblast cells into senescence and stimulates migration properties. Cell Adh Migr 2016; 10:163-78. [PMID: 26744771 DOI: 10.1080/19336918.2016.1139265] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
During placental development, continuous invasion of trophoblasts into the maternal compartment depends on the support of proliferating extravillous trophoblasts (EVTs). Unlike tumor cells, EVTs escape from the cell cycle before invasion into the decidua and spiral arteries. This study focused on the regulation properties of glycosylated and non-glycosylated matricellular CCN1 and CCN3, primarily for proliferation control in the benign SGHPL-5 trophoblast cell line, which originates from the first-trimester placenta. Treating SGHPL-5 trophoblast cells with the glycosylated forms of recombinant CCN1 and CCN3 decreased cell proliferation by bringing about G0/G1 cell cycle arrest, which was accompanied by the upregulation of activated Notch-1 and its target gene p21. Interestingly, both CCN proteins increased senescence-associated β-galactosidase activity and the expression of the senescence marker p16. The migration capability of SGHPL-5 cells was mostly enhanced in response to CCN1 and CCN3, by the activation of FAK and Akt kinase but not by the activation of ERK1/2. In summary, both CCN proteins play a key role in regulating trophoblast cell differentiation by inducing senescence and enhancing migration properties. Reduced levels of CCN1 and CCN3, as found in early-onset preeclampsia, could contribute to a shift from invasive to proliferative EVTs and may explain their shallow invasion properties in this disease.
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Affiliation(s)
- Friederike Kipkeew
- a Department of Molecular Biology , University of Duisburg-Essen , Essen , Germany
| | - Manuela Kirsch
- b Department of Gynecology and Obstetrics , University of Duisburg-Essen , Essen , Germany
| | - Diana Klein
- c Institute of Cell Biology, University of Duisburg-Essen , Essen , Germany
| | - Manuela Wuelling
- d Department of Developmental Biology , University of Duisburg-Essen , Essen , Germany
| | - Elke Winterhager
- a Department of Molecular Biology , University of Duisburg-Essen , Essen , Germany
| | - Alexandra Gellhaus
- a Department of Molecular Biology , University of Duisburg-Essen , Essen , Germany.,b Department of Gynecology and Obstetrics , University of Duisburg-Essen , Essen , Germany
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19
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Eapen A, George A. Dentin phosphophoryn in the matrix activates AKT and mTOR signaling pathway to promote preodontoblast survival and differentiation. Front Physiol 2015; 6:221. [PMID: 26300786 PMCID: PMC4528161 DOI: 10.3389/fphys.2015.00221] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Accepted: 07/21/2015] [Indexed: 11/16/2022] Open
Abstract
Dentin phosphophoryn (DPP) is an extracellular matrix protein synthesized by odontoblasts. It is highly acidic and the phosphorylated protein possesses a strong affinity for calcium ions. Therefore, DPP in the extracellular matrix can promote hydroxyapatite nucleation and can regulate the size of the growing crystal. Besides its calcium binding property, DPP can initiate signaling functions from the ECM (Extracellular matrix). The signals that promote the cytodifferentiation of preodontoblasts to fully functional odontoblasts are not known. In this study, we demonstrate that preodontoblasts on a DPP matrix, generates mechanical and biochemical signals. This is initiated by the ligation of the integrins with the RGD containing DPP. The downstream biochemical response observed is the activation of the AKT(protein kinase B) and mTOR (mammalian target of rapamycin) signaling pathways leading to the activation of the transcription factor NF-κB (Nuclear factor κB). Terminal differentiation of the preodontoblasts was assessed by identifying phosphate and calcium deposits in the matrix using von Kossa and Alizarin red staining respectively. Identifying the signaling pathways initiated by DPP in the dentin matrix would help in devising strategies for dentin tissue engineering.
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Affiliation(s)
- Asha Eapen
- Brodie Tooth Development Genetics and Regenerative Medicine, Department of Oral Biology, University of Illinois at Chicago Chicago, IL, USA
| | - Anne George
- Brodie Tooth Development Genetics and Regenerative Medicine, Department of Oral Biology, University of Illinois at Chicago Chicago, IL, USA
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20
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Poh AR, O'Donoghue RJ, Ernst M. Hematopoietic cell kinase (HCK) as a therapeutic target in immune and cancer cells. Oncotarget 2015; 6:15752-71. [PMID: 26087188 PMCID: PMC4599235 DOI: 10.18632/oncotarget.4199] [Citation(s) in RCA: 85] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Accepted: 05/29/2015] [Indexed: 12/21/2022] Open
Abstract
The hematopoietic cell kinase (HCK) is a member of the SRC family of cytoplasmic tyrosine kinases (SFKs), and is expressed in cells of the myeloid and B-lymphocyte cell lineages. Excessive HCK activation is associated with several types of leukemia and enhances cell proliferation and survival by physical association with oncogenic fusion proteins, and with functional interactions with receptor tyrosine kinases. Elevated HCK activity is also observed in many solid malignancies, including breast and colon cancer, and correlates with decreased patient survival rates. HCK enhances the secretion of growth factors and pro-inflammatory cytokines from myeloid cells, and promotes macrophage polarization towards a wound healing and tumor-promoting alternatively activated phenotype. Within tumor associated macrophages, HCK stimulates the formation of podosomes that facilitate extracellular matrix degradation, which enhance immune and epithelial cell invasion. By virtue of functional cooperation between HCK and bona fide oncogenic tyrosine kinases, excessive HCK activation can also reduce drug efficacy and contribute to chemo-resistance, while genetic ablation of HCK results in minimal physiological consequences in healthy mice. Given its known crystal structure, HCK therefore provides an attractive therapeutic target to both, directly inhibit the growth of cancer cells, and indirectly curb the source of tumor-promoting changes in the tumor microenvironment.
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Affiliation(s)
- Ashleigh R. Poh
- The Walter and Eliza Hall Institute of Medical Research, Department of Medical Biology, University of Melbourne, Victoria, Australia
| | - Robert J.J. O'Donoghue
- The Walter and Eliza Hall Institute of Medical Research, Department of Medical Biology, University of Melbourne, Victoria, Australia
- Olivia Newton-John Cancer Research Institute, La Trobe University School of Cancer Medicine, Victoria, Australia
| | - Matthias Ernst
- The Walter and Eliza Hall Institute of Medical Research, Department of Medical Biology, University of Melbourne, Victoria, Australia
- Olivia Newton-John Cancer Research Institute, La Trobe University School of Cancer Medicine, Victoria, Australia
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21
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Kaempferol-3-O-rutinoside from Afgekia mahidoliae promotes keratinocyte migration through FAK and Rac1 activation. J Nat Med 2015; 69:340-8. [PMID: 25783411 DOI: 10.1007/s11418-015-0899-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2014] [Accepted: 03/06/2015] [Indexed: 10/23/2022]
Abstract
The restoration of the epidermal epithelium through re-epithelialization is a critical process in wound healing. Directed keratinocyte migration to the wound is required, and the retardation of this process may result in a chronic, non-healing wound. The present study contributes to research aiming to identify promising compounds that promote wound healing using a human keratinocyte model. The effects of three kaempferol glycosides from an Afgekia mahidoliae leaf extract, kaempferol-3-O-arabinoside, kaempferol-3-O-glucoside, and kaempferol-3-O-rutinoside, on keratinocyte migration were determined. Interestingly, kaempferol-3-O-rutinoside exhibited a pronounced effect on wound closure in comparison to the parental kaempferol and other glycosides. The mechanism by which kaempferol-3-O-rutinoside enhances cell migration involves the induction of filopodia and lamellipodia formation, increased cellular levels of phosphorylated FAK (Tyr 397) and phosphorylated Akt (Ser 473), and up-regulation of active Rac1-GTP. The data obtained in this study may support the development of this compound for use in wound healing therapies.
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22
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Dendrofalconerol A sensitizes anoikis and inhibits migration in lung cancer cells. J Nat Med 2014; 69:178-90. [PMID: 25391454 DOI: 10.1007/s11418-014-0876-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2014] [Accepted: 10/16/2014] [Indexed: 12/28/2022]
Abstract
Resistance to anoikis, enhanced cell motility, and growth in anchorage-independent conditions are hallmarks of highly metastatic cancer cells. The present study demonstrates the anoikis-sensitizing and anti-migration activities of dendrofalconerol A (DF-A), a pure bis(bibenzyl) isolated from the stem of Dendrobium falconeri (Orchidaceae), and its underlying mechanisms in human lung cancer H460 cells. DF-A at non-toxic concentrations significantly increased the anoikis response of the cancer cells, but caused no toxic effect on normal keratinocytes. In addition, DF-A significantly inhibited the growth of lung cancer cells in anchorage-independent conditions. Western blot analysis revealed that the anoikis-sensitizing effect of such a compound involves its ability to suppress survival signals as well as anti-apoptotic proteins, namely, activated protein kinase B (Akt) and Bcl-2. Furthermore, DF-A decreased caveolin-1 (Cav-1), a protein responsible for aggressiveness, while having no effect on Bax, Mcl-1, and activated Erk (p42/44) proteins. In the case of cell motility, DF-A exhibited strong anti-migration activity with the mechanism involving suppression of pFAK and Rho-GTP, but had no effect on Rac-GTP in lung cancer cells. Taken together, DF-A possesses anoikis-sensitizing activity along with anti-migration effects, and may be developed as a novel active compound for cancer treatment.
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23
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Yang DJ, Wang XL, Ismail A, Ashman CJ, Valori CF, Wang G, Gao S, Higginbottom A, Ince PG, Azzouz M, Xu J, Shaw PJ, Ning K. PTEN regulates AMPA receptor-mediated cell viability in iPS-derived motor neurons. Cell Death Dis 2014; 5:e1096. [PMID: 24577094 PMCID: PMC3944269 DOI: 10.1038/cddis.2014.55] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2013] [Revised: 01/19/2014] [Accepted: 01/22/2014] [Indexed: 11/09/2022]
Abstract
Excitatory transmission in the brain is commonly mediated by the α-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid (AMPA) receptors. In amyotrophic lateral sclerosis (ALS), AMPA receptors allow cytotoxic levels of calcium into neurons, contributing to motor neuron injury. We have previously shown that oculomotor neurons resistant to the disease process in ALS show reduced AMPA-mediated inward calcium currents compared with vulnerable spinal motor neurons. We have also shown that PTEN (phosphatase and tensin homolog deleted on chromosome 10) knockdown via siRNA promotes motor neuron survival in models of spinal muscular atrophy (SMA) and ALS. It has been reported that inhibition of PTEN attenuates the death of hippocampal neurons post injury by decreasing the effective translocation of the GluR2 subunit into the membrane. In addition, leptin can regulate AMPA receptor trafficking via PTEN inhibition. Thus, we speculate that manipulation of AMPA receptors by PTEN may represent a potential therapeutic strategy for neuroprotective intervention in ALS and other neurodegenerative disorders. To this end, the first step is to establish a fibroblast-iPS-motor neuron in vitro cell model to study AMPA receptor manipulation. Here we report that iPS-derived motor neurons from human fibroblasts express AMPA receptors. PTEN depletion decreases AMPA receptor expression and AMPA-mediated whole-cell currents, resulting in inhibition of AMPA-induced neuronal death in primary cultured and iPS-derived motor neurons. Taken together, our results imply that PTEN depletion may protect motor neurons by inhibition of excitatory transmission that represents a therapeutic strategy of potential benefit for the amelioration of excitotoxicity in ALS and other neurodegenerative disorders.
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Affiliation(s)
- D-J Yang
- East Hospital, Tongji University School of Medicine, Shanghai, China
| | - X-L Wang
- East Hospital, Tongji University School of Medicine, Shanghai, China
| | - A Ismail
- Department of Neuroscience, Sheffield Institute for Translational Neuroscience (SITraN), University of Sheffield, Sheffield, UK
| | - C J Ashman
- Department of Neuroscience, Sheffield Institute for Translational Neuroscience (SITraN), University of Sheffield, Sheffield, UK
| | - C F Valori
- Department of Neuroscience, Sheffield Institute for Translational Neuroscience (SITraN), University of Sheffield, Sheffield, UK
| | - G Wang
- East Hospital, Tongji University School of Medicine, Shanghai, China
| | - S Gao
- East Hospital, Tongji University School of Medicine, Shanghai, China
| | - A Higginbottom
- Department of Neuroscience, Sheffield Institute for Translational Neuroscience (SITraN), University of Sheffield, Sheffield, UK
| | - P G Ince
- Department of Neuroscience, Sheffield Institute for Translational Neuroscience (SITraN), University of Sheffield, Sheffield, UK
| | - M Azzouz
- Department of Neuroscience, Sheffield Institute for Translational Neuroscience (SITraN), University of Sheffield, Sheffield, UK
| | - J Xu
- East Hospital, Tongji University School of Medicine, Shanghai, China
| | - P J Shaw
- Department of Neuroscience, Sheffield Institute for Translational Neuroscience (SITraN), University of Sheffield, Sheffield, UK
| | - K Ning
- 1] East Hospital, Tongji University School of Medicine, Shanghai, China [2] Department of Neuroscience, Sheffield Institute for Translational Neuroscience (SITraN), University of Sheffield, Sheffield, UK
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24
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Megison ML, Gillory LA, Stewart JE, Nabers HC, Mrozcek-Musulman E, Beierle EA. FAK inhibition abrogates the malignant phenotype in aggressive pediatric renal tumors. Mol Cancer Res 2014; 12:514-26. [PMID: 24464916 DOI: 10.1158/1541-7786.mcr-13-0505] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
UNLABELLED Despite the tremendous advances in the treatment of childhood kidney tumors, there remain subsets of pediatric renal tumors that continue to pose a therapeutic challenge, mainly malignant rhabdoid kidney tumors and nonosseous renal Ewing sarcoma. Children with advanced, metastatic, or relapsed disease have a poor disease-free survival rate. Focal adhesion kinase (FAK) is a nonreceptor tyrosine kinase that is important in many facets of tumor development and progression. FAK has been found in other pediatric solid tumors and in adult renal cellular carcinoma, leading to the hypothesis that FAK contributes to pediatric kidney tumors and would affect cellular survival. In the current study, FAK was present and phosphorylated in pediatric kidney tumor specimens. Moreover, the effects of FAK inhibition upon G401 and SK-NEP-1 cell lines were examined using a number of parallel approaches to block FAK, including RNA interference and small-molecule FAK inhibitors. FAK inhibition resulted in decreased cellular survival, invasion and migration, and increased apoptosis. Furthermore, small-molecule inhibition of FAK led to decreased SK-NEP-1 xenograft growth in vivo. These data deepen the knowledge of the tumorigenic process in pediatric renal tumors, and provide desperately needed therapeutic strategies and targets for these rare, but difficult to treat, malignancies. IMPLICATIONS This study provides a fundamental understanding of tumorigenesis in difficult to treat renal tumors and provides an impetus for new avenues of research and potential for novel, targeted therapies.
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Affiliation(s)
- Michael L Megison
- University of Alabama at Birmingham, 1600 7th Avenue South, Lowder, Room 300, Birmingham, AL 35233.
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25
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Long-term nitric oxide exposure enhances lung cancer cell migration. BIOMED RESEARCH INTERNATIONAL 2013; 2013:186972. [PMID: 23984323 PMCID: PMC3747486 DOI: 10.1155/2013/186972] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/25/2013] [Revised: 06/27/2013] [Accepted: 06/28/2013] [Indexed: 01/06/2023]
Abstract
Nitric oxide (NO) found in the vicinity of lung cancer cells may play a role in the regulation of cancer cell behaviors. To explore the possible effects of NO on cell motility, human lung cancer cells were exposed to nontoxic concentrations of NO for 0–14 days, and the migratory characteristics of the cells were determined. The present study found that long-term treatment with NO significantly enhanced cell migration in a dose- and time-dependent manner. Furthermore, we found that the increased migratory action was associated with the increased expression of caveolin-1 (Cav-1), which in turn activated the focal adhesion kinase (FAK) and ATP-dependent tyrosine kinase (Akt) pathways. Notably, the NO-treated cells exhibited an increased number of filopodia per cell, as well as an increase in the levels of cell division cycle 42 (Cdc42) protein. Together, these results indicate that extended NO exposure has a novel effect on cell migration through a Cav-1-dependent mechanism, a finding that strengthens our understanding of cancer biology.
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FAK Inhibition Decreases Hepatoblastoma Survival Both In Vitro and In Vivo. Transl Oncol 2013; 6:206-15. [PMID: 23544173 DOI: 10.1593/tlo.12505] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2012] [Revised: 01/29/2013] [Accepted: 01/29/2013] [Indexed: 12/31/2022] Open
Abstract
Hepatoblastoma is the most frequently diagnosed liver tumor of childhood, and children with advanced, metastatic or relapsed disease have a disease-free survival rate under 50%. Focal adhesion kinase (FAK) is a nonreceptor tyrosine kinase that is important in many facets of tumor development and progression. FAK has been found in other pediatric solid tumors and in adult hepatocellular carcinoma, leading us to hypothesize that FAK would be present in hepatoblastoma and would impact its cellular survival. In the current study, we showed that FAK was present and phosphorylated in human hepatoblastoma tumor specimens. We also examined the effects of FAK inhibition upon hepatoblastoma cells using a number of parallel approaches to block FAK including RNAi and small molecule FAK inhibitors. FAK inhibition resulted in decreased cellular survival, invasion, and migration and increased apoptosis. Further, small molecule inhibition of FAK led to decreased tumor growth in a nude mouse xenograft model of hepatoblastoma. The findings from this study will help to further our understanding of the regulation of hepatoblastoma tumorigenesis and may provide desperately needed novel therapeutic strategies and targets for aggressive, recurrent, or metastatic hepatoblastomas.
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Thanapprapasr D, Hu W, Sood AK, Coleman RL. Moving beyond VEGF for anti-angiogenesis strategies in gynecologic cancer. Curr Pharm Des 2012; 18:2713-9. [PMID: 22390757 DOI: 10.2174/138161212800626201] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2011] [Accepted: 01/06/2012] [Indexed: 02/03/2023]
Abstract
Gynecologic cancer is a major burden in both developed and developing countries. Almost a half million deaths from gynecologic cancer are reported each year. Understanding the molecular biology of cancer is a principle resource leading to the identification of new potential therapeutic targets, which may be parlayed into novel therapeutic options in gynecologic cancer. Focal adhesion kinase (FAK) is a non-receptor tyrosine kinase, which plays a pivotal role in many aspects of malignant growth including cancer cell survival, migration, invasion, angiogenesis and metastasis. Various human cancer tissues have demonstrated high expression of FAK or activated FAK, which has been correlated with survival of cancer patients. Among gynecologic cancers, reports have emerged demonstrating that FAK is involved in the pathogenesis of ovarian, endometrial, and cervical cancers. In addition, the polycomb group protein enhancer of Zeste homologue 2 (EZH2), Dll4/notch and EphA2 has also emerged as important regulators of endothelial cell biology and angiogenesis. Herein, we review the role of these new targets in tumor angiogenesis and the rationale for further clinical development.
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Affiliation(s)
- Duangmani Thanapprapasr
- Department of Gynecologic Oncology, University of Texas, M.D. Anderson Cancer Center, 1155 Herman Pressler Dr. CPB 6.3271, Houston, TX 77030, USA
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Indole-3-carbinol inhibited tobacco smoke carcinogen-induced lung adenocarcinoma in A/J mice when administered during the post-initiation or progression phase of lung tumorigenesis. Cancer Lett 2011; 311:57-65. [PMID: 21767909 DOI: 10.1016/j.canlet.2011.06.023] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2011] [Revised: 06/14/2011] [Accepted: 06/16/2011] [Indexed: 12/23/2022]
Abstract
We studied the chemopreventive efficacy of indole-3-carbinol (I3C), a phytochemical found in cruciferous vegetables, to inhibit tobacco carcinogen-induced lung adenocarcinoma in A/J mice when given following post-initiation or progression protocol. Moreover, we assessed the potential mechanisms responsible for the anticancer effects of I3C. Post-initiation administration of I3C decreased the multiplicity of surface tumors as well as all forms of histopathological lesions, including adenocarcinoma, whereas administration of the compound during tumor progression failed to decrease the multiplicity of surface tumors and early forms of microscopic lesions but reduced the frequency of adenocarcinoma. Mechanistic studies in A549 lung adenocarcinoma cells indicated that the lung cancer preventive effects of I3C are mediated, at least in part, via modulation of the receptor tyrosine kinase/PI3K/Akt signaling pathway.
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Wang S, Basson MD. Akt directly regulates focal adhesion kinase through association and serine phosphorylation: implication for pressure-induced colon cancer metastasis. Am J Physiol Cell Physiol 2011; 300:C657-70. [PMID: 21209368 DOI: 10.1152/ajpcell.00377.2010] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Although focal adhesion kinase (FAK) is typically considered upstream of Akt, extracellular pressure stimulates cancer cell adhesion via Akt-dependent FAK activation. How Akt regulates FAK is unknown. We studied Akt-FAK interaction in colon cancer cells under 15 mmHg increased extracellular pressure. Pressure enhanced Akt-FAK association, blocked by inhibiting FAK or silencing Akt1 but not Akt2, and stimulated FAK serine phosphorylation in Caco-2 and human colon cancer cells from surgical specimens Akt1-dependently. FAK includes three serine (S517/601/695) and one threonine (T600)-containing consensus sequences for Akt phosphorylation. Studying S->A nonphosphorylatable point mutants suggests that these sites coordinately upregulate FAK Y397 tyrosine phosphorylation, which conventionally initiates FAK activation, and mediate pressure-induced cancer cell adhesion. FAK(T600A) mutation did not prevent pressure-induced FAK(Y397) phosphorylation or adhesion. Akt1 appeared to directly bind FAK, and this binding did not depend on the FAK autophosphorylation site (Y397). In addition, our results demonstrated that Akt phosphorylated FAK at three novel serine phosphorylation sites, which were also not required for FAK-Akt binding. This novel interaction suggests that FAK and Akt may be dual kinase targets to prevent cancer cell adhesion and metastasis.
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Affiliation(s)
- Shouye Wang
- Dept. of Surgery, Michigan State Univ., 1200 East Michigan Ave., Suite No. 655, Lansing, MI 48912, USA
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