Light Microscopy Unit & FACS-Facility

LIGHT MICROSCOPY UNIT

Responsible Scientists

Mimika Thomadou

Dimitra Thomaidou

Research Director, Laboratory of Cellular and Molecular Neurobiology
Tel.: 210 6478 833
Email: thomaidou@pasteur.gr CV

H_BOLETI photo80.80

Haralabia Boleti

Principal investigator, Laboratory of Molecular Parasitology
Tel.:210 6478879
Email:hboleti@pasteur.gr CV

OVERVIEW

The Light Microscopy Unit (LMU) of the HPI is one of the most modern and well-equipped Imaging Units in Greece and a member of the Greek Bioimaging-GR Consortium and the European Light Microscopy Initiative (ELMI- www.embl.org/elmi/). LMU is an open-access platform aiming to provide advanced Light microscopy and image analysis services to HPI, national or international academic scientists.

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The LMU has created a wide network internationally with top imaging groups in the EU and the Institut Pasteur Paris that have largely contributed to the development and establishment of cutting-edge technologies in the Unit. European and National grants such as BIOIMAGING-GR – Ministry of Education Infrastructure Grant (2017-2020), Stavros Niarchos Foundation Grant:  (2016-2020), KRHPIS I-II (2015-2018), NEUROSIGN EU FP7 Program (2010-2013) have all supported the significant upgrade of the LMU during the period 2013-2017. LMU is the hub of 2-photon Intravital Imaging in the Bioimaging-GR Consortium, while it is currently up-graded for fast live cell imaging.

Τhe main state-of-the art methodologies currently in place in the LMU are: 2 photon intravital imaging in the CNS of transgenic mice, short and long time live cell imaging and digital image processing using commercially available and open-access image processing software.

The LMU has emerged through the Institut Pasteur International Network as a node for advanced imaging training and scientific collaborations (see Courses). Additionally, the LMU has organized significant training activities, including organization of international hands-on training workshops in digital image processing/analysis (2013) and Advanced Imaging and electrophysiology in the mammalian CNS (2013). In the time interval 2013-2017, several publications with participation or acknowledgement of the HPI-LMU has been published in peer review journals.

Our strategic goal is to develop the appropriate tools and technology that will allow us to monitor in real time disease progression in a wide range of communicable and non-communicable disease models, to develop live cell Calcium imaging, as well as multiple parameter middle-throughput and high-throughput screening, aiming to the understanding of biological processes and screening for novel therapeutics.

EQUIPMENT

Current equipment in the Light Microscopy facility includes:

(Click to see details)

REGULATIONS

Registration

New users of the Light Microscopy Unit (LMU) of HPI, as well as current users, who are starting a new project, should submit a project submission form at the Light Microscopy Unit of HPI. We need all necessary information to organize on time introductory sessions for using the instruments, as well as for teaching and supporting sample preparation techniques and new imaging protocols. You can download the LMU Project submission form, fill it in and send it to exingi@pasteur.gr.

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External users

The HPI’s imaging systems can be used by external users as well they should contact the responsible scientists of the Unit in order to arrange the exact time of the microscope booking. There is a charge of 30 € / hour for the use of either one of the two systems (Leica SP8 and Leica SP5) and 20 € / hour for the wide field Olympus Cell R and the confocal TCS SP.

TRAINING

Τraining in the use of microscopes and in image analysis applications

Training in the use of the microscopes and the image analysis software are conducted by the members of the Unit. Guides in the use of the Leica TCS-SP Confocal microscope and the wide-field Olympus IX-81 Cell-R imaging system can be found in the greek version of the website.

Image processing and analysis
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New users’ training

The new users of the two imaging systems must follow a training session by the responsible technician before they are allowed free entrance to the Unit.  More specifically, new users should:

• Initially, get informed by the responsible scientists about the booking system and get trained on the basic principles of the systems’ use, as well as, the possibilities they offer for the application he/she needs them.
• For the first three sessions of use of the particular microscopes, the user should be accompanied and supervised by the Unit’s technician.

COURSES

(Click to see details)

LINKS

PUBLICATIONS

In the HPI-LMU, since its founding (2001), its users carried out projects that gave rise to a 39 publications in which members of the HPI LMU are listed as authors and/or the contribution of the HPI-LMU personnel is acknowledged.

FUNDING

The Scientists supporting the HPI-LMU have participated either as members or as Scientific responsibles in several grant applications succeeding to attract funding for the Unit either for organizing courses or for upgrading the equipment and development of new methodology from the following grants:

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  • ΒΙΟΙΜAGING GR 2018-2020: “Hellenic Research Infrastructure for the Imaging and Observation of Fundamental Processes in Biology and Medicine” (MIS 5002755) which is implemented under the Action “Reinforcement of the Research and Innovation Infrastructure”, funded by the Operational Programme “Competitiveness, Entrepreneurship and Innovation” (NSRF 2014-2020) and co-financed by Greece and the European Union (European Regional Development Fund, coordinator Dr. Tavernarakis, IMBB Forth).
  • Stavros Niarchos Foundations Sponsorships 2016-2020: «Development of innovative Biological products and health services for infectious and neurodegenerative diseases» (Coordinators Drs. R. Matsa and V. Myriagou)
  • Ηellenic State Scholarship Foundation (Ι.Κ.Υ.) and German Burau for Academics’ Exchanges (DAAD): IKYDA program 2014-2015: Astroglia activation and reprogramming in brain injury and repair: analysis by in vivo imaging (2P-LSM) of the brain (Scientific Responsible Dr. D. Thomaidou).
  • RIIP (Institut Pasteur International Network) International course 2016 :
    ” Cell Biology and infection: Digital Image Processing/Analysis Tools for Quantitative Light Microscopy Imaging”. Scientific Responsible Dr. H. Boleti
  • FP7 EU program 264083 NEUROSIGN 2010-2013: Development of Centre of Excellence in Neurosciences (cordinators. Dr.S. Tzartos– Dr. R. Matsa & Dr. L. Probert (Dr. D. Thomaidou Responsible for WP of purchasing the Infrastructure equipment for in vivo imaging).
  • RIIP (Institut Pasteur International Network) Regional course 2013:
    “Digital image processing/analysis tools in Light Microscopy: From the basics and beyond”. Scientific Responsible Dr. H. Boleti
  • Competitive grant from the Greek General Secretariat of Research and Technology in the context οφ European program “Human Networks for training in Research and Technology” 2004-2006 –Establishment of the Greek Light Microscopy Network Title: “Applications of Light Microscopy in Biomedical research and Diagnosis” In colaboration with the U. of Ioannina & U. of Crete Coordinator of the project and of the Network, HPI-LMU. (Scientific Responsible ¨Drs H. Boleti & D. Thomaidou)

MEMBERS

Xingi-120

Evangelia Xingi, PhD

Tel.: +30 210-6478834
Email: exingi@pasteur.gr

Πετρίνα80

Petrina Koumarianou

Biologist – Cell Biologist (BSc, MSc, PhD)
Post-doctoral fellow, Sep. 2018-
Email: pkoumarianou@pasteur.gr

Irini Thanou

Irini Thanou

Predoctoral Fellow
Email: irthanou@pasteur.gr

Antoniou

Nasia Antoniou

Predoctoral Fellow
Email: nantoniou@pasteur.gr

FACS-Facility

The HPI FACS-Facility is supported by a researcher and a part time technician who provide scientific consultation and technical assistance to the users. The instruments in the FACS-Facility are used by researchers of the Institute performing multiple studies, including the separation of cells (cell sorting), and the detection of several fluorescent and forward and side scatter parameters (FSC & SSC) that can be used in several applications including the characterization of immune cells and other cell populations, the detection of apoptosis, cell death, cell cycle analysis, cell division etc.

Responsible Researcher

Research Assistant

Despoina Smirlis

Despoina Smirlis, PhD

Researcher C
Tel.: +30 210-6478841, +30 210-6478827
Email: penny@pasteur.gr

Xingi-120

Evangelia Xingi, PhD

Tel.: +30 210-6478834
Email: exingi@pasteur.gr

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