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Tao W, Lei H, Luo W, Huang Z, Ling P, Guo M, Wan L, Zhai K, Huang Q, Wu Q, Xu S, Zeng L, Wang X, Dong Z, Rich JN, Bao S. Novel INHAT repressor drives glioblastoma growth by promoting ribosomal DNA transcription in glioma stem cells. Neuro Oncol 2023; 25:1428-1440. [PMID: 36521011 PMCID: PMC10398814 DOI: 10.1093/neuonc/noac272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/04/2023] Open
Abstract
BACKGROUND Cancer cells including cancer stem cells exhibit a higher rate of ribosome biogenesis than normal cells to support rapid cell proliferation in tumors. However, the molecular mechanisms governing the preferential ribosome biogenesis in glioma stem cells (GSCs) remain unclear. In this work, we show that the novel INHAT repressor (NIR) promotes ribosomal DNA (rDNA) transcription to support GSC proliferation and glioblastoma (GBM) growth, suggesting that NIR is a potential therapeutic target for GBM. METHODS Immunoblotting, immunohistochemical and immunofluorescent analysis were used to determine NIR expression in GSCs and human GBMs. Using shRNA-mediated knockdown, we assessed the role and functional significance of NIR in GSCs and GSC-derived orthotopic GBM xenografts. We further performed mass spectrometry analysis, chromatin immunoprecipitation, and other biochemical assays to define the molecular mechanisms by which NIR promotes GBM progression. RESULTS Our results show that high expression of NIR predicts poor survival in GBM patients. NIR is enriched in the nucleoli of GSCs in human GBMs. Disrupting NIR markedly suppresses GSC proliferation and tumor growth by inhibiting rDNA transcription and pre-ribosomal RNA synthesis. In mechanistic studies, we find that NIR activates rDNA transcription to promote GSC proliferation by cooperating with Nucleolin (NCL) and Nucleophosmin 1 (NPM1), 2 important nucleolar transcription factors. CONCLUSIONS Our study uncovers a critical role of NIR-mediated rDNA transcription in the malignant progression of GBM, indicating that targeting this axis may provide a novel therapeutic strategy for GBM.
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Affiliation(s)
- Weiwei Tao
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
- College of Biomedicine and Health and College of Life Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Hong Lei
- College of Biomedicine and Health and College of Life Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Wenlong Luo
- College of Biomedicine and Health and College of Life Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Zhi Huang
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Peng Ling
- College of Biomedicine and Health and College of Life Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Mengyue Guo
- College of Biomedicine and Health and College of Life Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Lihao Wan
- College of Biomedicine and Health and College of Life Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Kui Zhai
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Qian Huang
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Qiulian Wu
- Department of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Shutong Xu
- College of Biomedicine and Health and College of Life Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Liang Zeng
- Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xiuxing Wang
- Department of Cell Biology, School of Basic Medical Sciences, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Zhiqiang Dong
- College of Biomedicine and Health and College of Life Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Jeremy N Rich
- Department of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Shideng Bao
- Department of Cancer Biology, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
- Case Comprehensive Cancer Center, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
- Center for Cancer Stem Cell Research, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA)
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Brzozowa-Zasada M, Piecuch A, Michalski M, Matysiak N, Kucharzewski M, Łos MJ. The Clinical Application of Immunohistochemical Expression of Notch4 Protein in Patients with Colon Adenocarcinoma. Int J Mol Sci 2023; 24:ijms24087502. [PMID: 37108670 PMCID: PMC10138794 DOI: 10.3390/ijms24087502] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/12/2023] [Accepted: 04/14/2023] [Indexed: 04/29/2023] Open
Abstract
The Notch signalling pathway is one of the most conserved and well-characterised pathways involved in cell fate decisions and the development of many diseases, including cancer. Among them, it is worth noting the Notch4 receptor and its clinical application, which may have prognostic value in patients with colon adenocarcinoma. The study was performed on 129 colon adenocarcinomas. Immunohistochemical and fluorescence expression of Notch4 was performed using the Notch4 antibody. The associations between the IHC expression of Notch4 and clinical parameters were analysed using the Chi2 test or Chi2Yatesa test. The Kaplan-Meier analysis and the log-rank test were used to verify the relationship between the intensity of Notch4 expression and the 5-year survival rate of patients. Intracellular localisation of Notch4 was detected by the use of the immunogold labelling method and TEM. 101 (78.29%) samples had strong Notch4 protein expression, and 28 (21.71%) samples were characterised by low expression. The high expression of Notch4 was clearly correlated with the histological grade of the tumour (p < 0.001), PCNA immunohistochemical expression (p < 0.001), depth of invasion (p < 0.001) and angioinvasion (p < 0.001). We can conclude that high expression of Notch4 is correlated with poor prognosis of colon adenocarcinoma patients (log-rank, p < 0.001).
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Affiliation(s)
- Marlena Brzozowa-Zasada
- Department of Histology and Cell Pathology in Zabrze, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, 40-055 Katowice, Poland
| | - Adam Piecuch
- Department of Histology and Cell Pathology in Zabrze, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, 40-055 Katowice, Poland
| | - Marek Michalski
- Department of Histology and Cell Pathology in Zabrze, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, 40-055 Katowice, Poland
- Silesian Nanomicroscopy Centre in Zabrze, Silesia LabMed- Research and Implementation Centre, Medical University of Silesia, 40-055 Katowice, Poland
| | - Natalia Matysiak
- Department of Histology and Cell Pathology in Zabrze, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, 40-055 Katowice, Poland
| | - Marek Kucharzewski
- Faculty of Health Sciences, Jan Dlugosz University of Czestochowa, 42-200 Czestochowa, Poland
| | - Marek J Łos
- Department of Pathology, Pomeranian Medical University, 71-344 Szczecin, Poland
- Autophagy Research Center, Shiraz University of Medical Sciences, Shiraz 7134845794, Iran
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Baena-López LA, Baonza A, Estella C, Herranz H. Editorial: Regulation and coordination of the different DNA damage responses and their role in tissue homeostasis maintenance. Front Cell Dev Biol 2023; 11:1175155. [PMID: 36994105 PMCID: PMC10042383 DOI: 10.3389/fcell.2023.1175155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 03/02/2023] [Indexed: 03/14/2023] Open
Affiliation(s)
- Luis Alberto Baena-López
- Sir William Dunn School of Pathology, University of Oxford, Oxford, United Kingdom
- *Correspondence: Luis Alberto Baena-López, ; Antonio Baonza, ; Carlos Estella, ; Héctor Herranz,
| | - Antonio Baonza
- Centro de Biología Molecular “Severo Ochoa”, CSIC-UAM, Madrid, Spain
- *Correspondence: Luis Alberto Baena-López, ; Antonio Baonza, ; Carlos Estella, ; Héctor Herranz,
| | - Carlos Estella
- Centro de Biología Molecular “Severo Ochoa”, CSIC-UAM, Madrid, Spain
- *Correspondence: Luis Alberto Baena-López, ; Antonio Baonza, ; Carlos Estella, ; Héctor Herranz,
| | - Héctor Herranz
- Department of Cellular and Molecular Medicine, University of Copenhagen, Copenhagen, Denmark
- *Correspondence: Luis Alberto Baena-López, ; Antonio Baonza, ; Carlos Estella, ; Héctor Herranz,
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Boustan A, Jahangiri R, Ghalehno AD, Khorsandi M, Mosaffa F, Jamialahmadi K. Expression analysis elucidates the roles of Nicastrin, Notch4, and Hes1 in prognosis and endocrine-therapy resistance in ER-positive breast cancer patients. Res Pharm Sci 2022; 18:78-88. [PMID: 36846736 PMCID: PMC9951784 DOI: 10.4103/1735-5362.363598] [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: 04/30/2022] [Revised: 07/19/2022] [Accepted: 11/13/2022] [Indexed: 12/25/2022] Open
Abstract
Background and purpose Although some proposed mechanisms responsible for tamoxifen resistance have already been present, further study is needed to determine the mechanisms underlying tamoxifen resistance more clearly. The critical role of Notch signaling has been described in promoting resistance in therapeutics, but there is little information about its role in tamoxifen resistance progression. Experimental approach In the present study, the expression of Notch pathway genes, including Notch4, nicastrin and the Notch downstream target Hes1 was evaluated using quantitative RT-PCR in 36 tamoxifen-resistant (TAM-R) and 36 tamoxifen-sensitive (TAM-S) patients. Expression data were correlated with the clinical outcome and survival of patients. Findings/Results mRNA levels of Notch4 (fold change = 2.7), nicastrin (fold change = 6.71), and Hes1 (fold change= 7.07) were significantly higher in TAM-R breast carcinoma patients compared to sensitive cases. We confirmed all these genes were co-expressed. Hence, it seems that Notch signaling is involved in tamoxifen resistance in our TAM-R patients. Obtained results showed that Hes1, nicastrin, and Notch4 mRNA upregulation was correlated with the N stage. The extracapsular nodal extension was associated with nicastrin and Notch4 overexpression. Moreover, nicastrin overexpression was correlated with perineural invasion. Hes1 upregulation was also associated with nipple involvement. Finally, the Cox regression proportional hazard test revealed that overexpression of nicastrin was an independent worse survival factor. Conclusion and implications Presumably, upregulation of the Notch pathway may be involved in tamoxifen resistance in breast cancer patients.
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Affiliation(s)
- Arad Boustan
- Department of Medical Biotechnology and Nanotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, I.R. Iran
| | - Rosa Jahangiri
- Department of Medical Biotechnology and Nanotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, I.R. Iran
| | - Asefeh Dahmardeh Ghalehno
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, I.R. Iran
| | - Mahdieh Khorsandi
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, I.R. Iran
| | - Fatemeh Mosaffa
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, I.R. Iran,Corresponding authors: F. Mosaffa, Tel: +98-531801204, Fax: +98-5138823251
Kh. Jamialahmadi, Tel: +98-5138002293, Fax: +98-5138002287
| | - Khadijeh Jamialahmadi
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, I.R. Iran,Corresponding authors: F. Mosaffa, Tel: +98-531801204, Fax: +98-5138823251
Kh. Jamialahmadi, Tel: +98-5138002293, Fax: +98-5138002287
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Saini N, Bheeshmachar G, Sarin A. Sirtuin1 meditated modification of Notch1 intracellular domain regulates nucleolar localization and activation of distinct signaling cascades. Front Cell Dev Biol 2022; 10:988816. [PMID: 36211456 PMCID: PMC9539544 DOI: 10.3389/fcell.2022.988816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
Notch signaling is involved in cell fate decisions in the development and maintenance of tissue homeostasis. Spatial regulation of the Notch1 intracellular domain (NIC1), has been shown to underpin signaling outcomes mediated by this receptor. We recently reported a putative Nucleolar Localization Sequence (NoLS) in NIC1. Here we investigate if the putative NoLS identified in NIC1 regulates localization in the nucleolus and anti-apoptotic activity. Confocal imaging of live cells expressing NIC1 or forms modified by deletion or site-directed mutagenesis established that the putative NoLS in NIC1 is required for nucleolar localization and regulated by the deacetylase Sirtuin1. Subsequent analysis of anti-apoptotic activity revealed signaling cascades linked to nucleolar localization. For this, etoposide and 4-Nitroquinoline 1-oxide, an inhibitor of topoisomerase-II and a UV mimetic drug respectively, were used as prototypic triggers of genomic damage in a mammalian cell line. While NIC1 blocked apoptosis regardless of its localization to the nucleoplasm or nucleolus, modifications of NIC1 which promoted localization to the nucleolus triggered a dependence on the nucleolar proteins fibrillarin and nucleolin for anti-apoptotic activity. Further, cells co-expressing NIC1 and Sirtuin1 (but not its catalytically inactive form), confirmed both spatial regulation and the switch to dependence on the nucleolar proteins. Finally, site-directed mutagenesis showed that the NoLS lysine residues are targets of Sirtuin1 activity. NIC1 mediated transcription is not similarly regulated. Thus, NIC1 localization to the nucleolus is regulated by Sirtuin1 modification of the lysine residues in NoLS and triggers a distinct signaling cascade involving nucleolar intermediates for anti-apoptotic activity.
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Saini N, Lakshminarayanan S, Kundu P, Sarin A. Notch1 Modulation of Cellular Calcium Regulates Mitochondrial Metabolism and Anti-Apoptotic Activity in T-Regulatory Cells. Front Immunol 2022; 13:832159. [PMID: 35222416 PMCID: PMC8866856 DOI: 10.3389/fimmu.2022.832159] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 01/21/2022] [Indexed: 01/04/2023] Open
Abstract
As the major hub of metabolic activity and an organelle sequestering pro-apoptogenic intermediates, mitochondria lie at the crossroads of cellular decisions of death and survival. Intracellular calcium is a key regulator of these outcomes with rapid, uncontrolled uptake into mitochondria, activating pro-apoptotic cascades that trigger cell death. Here, we show that calcium uptake and mitochondrial metabolism in murine T-regulatory cells (Tregs) is tuned by Notch1 activity. Based on analysis of Tregs and the HEK cell line, we present evidence that modulation of cellular calcium dynamics underpins Notch1 regulation of mitochondrial homeostasis and consequently anti-apoptotic activity. Targeted siRNA-mediated ablations reveal dependency on molecules controlling calcium release from the endoplasmic reticulum (ER) and the chaperone, glucose-regulated protein 75 (Grp75), the associated protein Voltage Dependent Anion Channel (VDAC)1 and the Mitochondrial Calcium Uniporter (MCU), which together facilitate ER calcium transfer and uptake into the mitochondria. Endogenous Notch1 is detected in immune-complexes with Grp75 and VDAC1. Deficits in mitochondrial oxidative and survival in Notch1 deficient Tregs, were corrected by the expression of recombinant Notch1 intracellular domain, and in part by recombinant Grp75. Thus, the modulation of calcium dynamics and consequently mitochondrial metabolism underlies Treg survival in conditions of nutrient stress. This work positions a key role for Notch1 activity in these outcomes.
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Affiliation(s)
- Neetu Saini
- Regulation of Cell Fate, Institute for Stem Cell Science and Regenerative Medicine (inStem), Bengaluru, India.,Department of Biology, Manipal Academy of Higher Education, Manipal, India
| | - Sowmya Lakshminarayanan
- National Centre for Biological Science, TATA Institute of Fundamental Research (TIFR), Bengaluru, India
| | - Priyanka Kundu
- National Centre for Biological Science, TATA Institute of Fundamental Research (TIFR), Bengaluru, India
| | - Apurva Sarin
- Regulation of Cell Fate, Institute for Stem Cell Science and Regenerative Medicine (inStem), Bengaluru, India
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8
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Xiu M, Zeng X, Shan R, Wen W, Li J, Wan R. Targeting Notch4 in Cancer: Molecular Mechanisms and Therapeutic Perspectives. Cancer Manag Res 2021; 13:7033-7045. [PMID: 34526819 PMCID: PMC8436177 DOI: 10.2147/cmar.s315511] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 07/03/2021] [Indexed: 12/28/2022] Open
Abstract
The dysregulation of Notch signaling is found in many cancers and is closely related to cancer progression. As an important Notch receptor, abnormal Notch4 expression affects several tumor-cell behaviors, including stemness, the epithelial-mesenchymal transition, radio/chemoresistance and angiogenesis. In order to inhibit the oncogenic effects of Notch4 activation, several methods for targeting Notch4 signaling have been proposed. In this review, we summarize the known molecular mechanisms through which Notch4 affects cancer progression. Finally, we discuss potential Notch4-targeting therapeutic strategies as a reference for future research.
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Affiliation(s)
- Mengxi Xiu
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang University, Nanchang, People's Republic of China.,Second Clinical Medical College, Nanchang University, Nanchang, People's Republic of China
| | - Xiaohong Zeng
- Imaging Department, The First Affiliated Hospital of Nanchang University, Nanchang University, Nanchang, People's Republic of China
| | - Renfeng Shan
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang University, Nanchang, People's Republic of China
| | - Wu Wen
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang University, Nanchang, People's Republic of China
| | - Jianfeng Li
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang University, Nanchang, People's Republic of China
| | - Renhua Wan
- Department of General Surgery, The First Affiliated Hospital of Nanchang University, Nanchang University, Nanchang, People's Republic of China
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Emisoglu-Kulahli H, Gul S, Morgil H, Ozcan O, Aygenli F, Selvi S, Kavakli IH, Ozturk N. Transcriptome analysis of the circadian clock gene BMAL1 deletion with opposite carcinogenic effects. Funct Integr Genomics 2021; 21:1-16. [PMID: 33111200 DOI: 10.1007/s10142-020-00757-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 10/14/2020] [Accepted: 10/21/2020] [Indexed: 12/26/2022]
Abstract
We have previously reported that the deletion of BMAL1 gene has opposite effects in respect to its contribution to the pathways that are effective in the multistage carcinogenesis process. BMAL1 deletion sensitized nearly normal breast epithelial (MCF10A) and invasive breast cancer cells (MDA-MB-231) to cisplatin- and doxorubicin-induced apoptosis, while this deletion also aggravated the invasive potential of MDA-MB-231 cells. However, the mechanistic relationship of the seemingly opposite contribution of BMAL1 deletion to carcinogenesis process is not known at genome-wide level. In this study, an RNA-seq approach was taken to uncover the differentially expressed genes (DEGs) and pathways after treating BMAL1 knockout (KO) or wild-type (WT) MDA-MB-231 cells with cisplatin and doxorubicin to initiate apoptosis. Gene set enrichment analysis with the DEGs demonstrated that enrichment in multiple genes/pathways contributes to sensitization to cisplatin- or doxorubicin-induced apoptosis in BMAL1-dependent manner. Additionally, our DEG analysis suggested that non-coding transcript RNA (such as lncRNA and processed pseudogenes) may have role in cisplatin- or doxorubicin-induced apoptosis. Protein-protein interaction network obtained from common DEGs in cisplatin and doxorubicin treatments revealed that GSK3β, NACC1, and EGFR are the principal genes regulating the response of the KO cells. Moreover, the analysis of DEGs among untreated BMAL1 KO and WT cells revealed that epithelial-mesenchymal transition genes are up-regulated in KO cells. As a negative control, we have also analyzed the DEGs following treatment with an endoplasmic reticulum (ER) stress-inducing agent, tunicamycin, which was affected by BMAL1 deletion minimally. Collectively, the present study suggests that BMAL1 regulates many genes/pathways of which the alteration in BMAL1 KO cells may shed light on pleotropic phenotype observed.
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Affiliation(s)
- Handan Emisoglu-Kulahli
- Department of Molecular Biology and Genetics, Gebze Technical University, Gebze, Kocaeli, Turkey
| | - Seref Gul
- Department of Molecular Biology and Genetics, Koc University, Istanbul, Turkey
- Department of Chemical and Biological Engineering, Koc University, Istanbul, Turkey
| | - Hande Morgil
- Department of Biology, Istanbul University, Istanbul, Turkey
- Istanbul University Centre for Plant and Herbal Products Research-Development, 34126, Istanbul, Turkey
| | - Onur Ozcan
- Department of Chemical and Biological Engineering, Koc University, Istanbul, Turkey
| | - Fatih Aygenli
- Department of Molecular Biology and Genetics, Gebze Technical University, Gebze, Kocaeli, Turkey
- Institute of Medical Psychology, Faculty of Medicine, LMU Munich, Munich, Germany
| | - Saba Selvi
- Department of Molecular Biology and Genetics, Gebze Technical University, Gebze, Kocaeli, Turkey
| | - Ibrahim Halil Kavakli
- Department of Molecular Biology and Genetics, Koc University, Istanbul, Turkey
- Department of Chemical and Biological Engineering, Koc University, Istanbul, Turkey
| | - Nuri Ozturk
- Department of Molecular Biology and Genetics, Gebze Technical University, Gebze, Kocaeli, Turkey.
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