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Thottiyen S, Kuruvilla R, George A, Rajan P, Sajan P, Subhash VC, Varghese JC. Ankle Brachial Index vs Transcutaneous Partial Pressure of Oxygen for Predicting Healing of Diabetic Foot Ulcers with Peripheral Arterial Disease: a Comparative Study. Indian J Surg 2020. [DOI: 10.1007/s12262-020-02587-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Cui D, Sajan P, Shi J, Shen Y, Wang K, Deng X, Zhou L, Hu P, Gao L. MiR-148a increases glioma cell migration and invasion by downregulating GADD45A in human gliomas with IDH1 R132H mutations. Oncotarget 2018; 8:25345-25361. [PMID: 28445981 PMCID: PMC5421935 DOI: 10.18632/oncotarget.15867] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Accepted: 02/13/2017] [Indexed: 01/09/2023] Open
Abstract
High-grade gliomas are severe tumors with poor prognosis. An R132H mutation in the isocitrate dehydrogenase (IDH1) gene prolongs the life of glioma patients. In this study, we investigated which genes are differentially regulated in IDH1 wild type (IDH1WT) or IDH1 R132H mutation (IDH1R132H) glioblastoma cells. Growth arrest and DNA-damage-inducible protein (GADD45A) was downregulated and microRNA 148a (miR-148a) was upregulated in in IDH1R132H human glioblastomas tissues. The relationship between GADD45A and miR-148a is unknown. In vitro experiments showed that GADD45A negatively regulates IDH1R132H glioma cell proliferation, migration, and invasion, and neurosphere formation in IDH1R132H glioblastoma stem cells (GSC). In addition, a human orthotopic xenograft mouse model showed that GADD45A reduced tumorigenesis in vivo. Our findings demonstrated that miR-148a promotes glioma cell invasion and tumorigenesis by downregulating GADD45A. Our findings provide novel insights into how GADD45A is downregulated by miR-148a in IDH1R132H glioma and may help to identify therapeutic targets for the effective treatment of high-grade glioma.
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Affiliation(s)
- Daming Cui
- Department of Neurosurgery, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, People's Republic of China
| | - Pandey Sajan
- Department of Neurosurgery, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, People's Republic of China
| | - Jinlong Shi
- Department of Neurosurgery, Affiliated Hospital of Nantong University, Nantong 226001, Jiangsu Province, People's Republic of China
| | - Yiwen Shen
- Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai 200070, People's Republic of China
| | - Ke Wang
- Department of Neurosurgery, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, People's Republic of China
| | - Xianyu Deng
- Department of Neurosurgery, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, People's Republic of China
| | - Lin Zhou
- Department of Neurosurgery, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, People's Republic of China
| | - Pingping Hu
- Department of Neurosurgery, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, People's Republic of China
| | - Liang Gao
- Department of Neurosurgery, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai 200072, People's Republic of China
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Sajan P, Jayasree RS, Agouram S, Junaid Bushiri M. Synthesis of cubic ZnS microspheres exhibiting broad visible emission for bioimaging applications. LUMINESCENCE 2015; 31:544-550. [PMID: 26278468 DOI: 10.1002/bio.2993] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Revised: 07/02/2015] [Accepted: 07/06/2015] [Indexed: 01/11/2023]
Abstract
Biocompatible ZnS microspheres with an average diameter of 3.85 µm were grown by solvo-hydrothermal (S-H) method using water-acetonitrile-ethylenediamine (EDA) solution combination. ZnS microspheres were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HRTEM), Fourier transform (FT)-Raman spectroscopy and Fourier transform infrared spectroscopy (FTIR) techniques. The broad photoluminescence (PL) emissions from 380-580 nm that were seen from the ZnS microspheres attributed to the increase in carrier concentration, as understood from the observed intense Raman band at 257 cm(-1). Cytotoxicity and haemocompatibility investigations of these ZnS microspheres revealed its biocompatibility. ZnS microspheres, along with biological cell lines, were giving visible light emission and could be used for bioimaging applications.
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Affiliation(s)
- P Sajan
- Nano Functional Materials Laboratory, Department of Physics, Cochin University of Science and Technology, Kochi, Kerala, 682022, India
| | - R S Jayasree
- Biophotonics and Imaging Laboratory, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences & Technology, Poojappura, Thiruvananthapuram, 695012, Kerala, India
| | - S Agouram
- Departamento de Fisica Aplicada y Electromagnetismo, Universitat de, Valencia, C/Dr Moliner 50 Burjassot, Valencia, 46100, Spain
| | - M Junaid Bushiri
- Nano Functional Materials Laboratory, Department of Physics, Cochin University of Science and Technology, Kochi, Kerala, 682022, India
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