ahmed.osman

Ahmed Mahmoud Osman KHEIMAR

Lecturer - Lecturer and PosDoc Associate of Poultry Diseases

Faculty of Veterinary Medicine

Address: Poultry Diseases department, Facultry of Veterinary Medicine, Sohag University, New Sohag City (El-Kawamel).

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Special Informations: Ahmed Mahmoud Osman KHEIMAR
ahmed.osman
Full Name Ahmed Mahmoud Osman KHEIMAR
Email ahmed.osman@vet.sohag.edu.eg
Gender Male
birth date 1985-01-19
Faculty Faculty of Veterinary Medicine
Degree Lecturer
Address Poultry Diseases department, Facultry of Veterinary Medicine, Sohag University, New Sohag City (El-Kawamel).
Current Position Lecturer and PosDoc Associate of Poultry Diseases
Academic Information
General Specialization Veterinarian
Specialization Poultry Diseases
Title of Master's Thesis in English Molecular charachterization of avian influenza viruses in chcikens from Sohag province
Title of PhD thesis in English Tumor promoting functions of cellular telomerase RNA and viral RNAs in herpesvirus induced cancer formation
Supervisory and administrative functions Prof.Dr. Benedikt B Kaufer, Faculty of Veterinary Meicine, Freie Universität Berlin
Phone
Google Scholar URL https://scholar.google.com.eg/citations?user=Rhg0_yoAAAAJ&hl=de
Linked in URL
Research Gate
EKP بنك المعرفة المصري
A brief about me

Personal Informations:

    Ahmed Kheimar, PhD, DVM

    Lecturer of Poultry Diseases, Faculty of Veterinary Medicine, Sohag University

    Email: ahmed.osman@vet.sohag.edu.eg 

    Research gate:  https://www.researchgate.net/profile/Ahmed_Kheimar2/contributions 

 Current Position: 
11.2019- Present: Lecturer of Poultry Diseases, Faculty of Veterinary Medicine, Sohag University

01.2018 – 10.2019: PostDoc researcher, Institute of virology, Freie Universitat Berlin, Germany:

                       Projects: 1- Mechanism of virus-encoded telomerase RNA (vTR) in cancer formation.

                                    2- Role of oncolytic viruses or virus-encoded oncolytic factors as CIA-VP3 in    virus-induced tumorigenesis.

                                   3- Role of vTR-RpL22 interaction in MDV-induced pathogenesis. Institut für Virologie, Faculty of Veterinary Medicine, Freie Universität Berlin (FU), Berlin, Germany. University Education

10.2012 – 11.2017: Doctor of Philosophy in Poultry Viruses:

                              Grade: “magna cum laude”. Institut für Virologie, Faculty of Veterinary Medicine, Freie Universität Berlin (FU), Germany.

                             Subject: Marek’s disease virus-induced tumorigenesis. Dissertation: “Tumor-promoting functions of cellular telomerase RNA and viral RNAs in herpesvirus-induced cancer formation”. Advisor: Univ. Prof. Dr. Benedikt B. Kaufer, PhD.

                            Funding: Competitive Full PhD-scholarship offered by Egyptian Ministry of High Education and Research (MOHE).

09.2009 – 10.2011: Master of Veterinary Medical Sciences (MVSc, poultry diseases): 

                             Department of poultry diseases, Faculty of Veterinary Medicine, South Valley University (SVU), Egypt.

                            Subject: Avian influenza (AI) viruses as emerging diseases in Sohag Province. Master                                           thesis: “Molecular characterization of avian influenza (AI) viruses circulating in chicken farms in Sohag Province”. Advisor: Univ. Prof. Moemen Abdel-Mageed Mohamed, PhD. Funding: Sohag University postgraduate scholarship, Egypt.

09.2002 – 06.2007: Bachelor of Veterinary Medical Sciences (BVSc):

                          Faculty of Veterinary Medicine, South Valley University (SVU), Egypt. (with distinction and honorary grade).

                         Class rank: 2/150 (cumulative grade over 10 semesters).

Publications:

1. Kheimar A, Jakob T., Nicole G., and B. B. Kaufer: (2018). Overexpression of cellular telomerase RNA enhances virus-induced cancer formation. Oncogene, doi: https://doi.org/10.1038/s41388-018-0544-1. (IF: 6.854).

2. Kheimar A, and Benedikt B. kaufer: (2018). Epstein-Barr virus-encoded RNAs (EBERs) complement the loss of Herpesvirus telomerase RNA (vTR) in virus-induced tumor formation. Scientific Reports, 8: 209. doi: 10.1038/s41598-017-18638-7. (IF: 4.112).

3. Kheimar A, Renato Lopes, Darren Wright, Benedikt B. Kaufer: (2017). Telomeres and telomerase: Role in Marek’s disease virus pathogenies, integration and tumorigenesis, Viruses MDPI. 9 (7), doi: 10.3390/v9070173. (IF: 3.761).
4. V.I.Pauker, L.D.Bertzbach, Kheimar A, J.P.Teifke, T.C.Mettenleiter, A.Karger, and B. B. Kaufer: (2019). Imaging Mass spectrometry and proteome analysis of Marek’s disease virus-induced tumors doi: 10.1128/mSphere.00569-18. mSphere (IF: 3.5).

5. Luca D. B., Kheimar A*, Fatma Z.A., B. B. Kaufer: (2018). Viral factors involved in Marek’s disease virus (MDV) pathogenesis. Curr. Clin. Micro. Rpt., doi: org/10.1007/s40588-018-7 0104-z. (*First authorship equal contribution).

6. Luca D. B., F. pfaff, V.I.Pauker, Kheimar A, D.Höper, S.Härtle, A.Karger, and B. B. Kaufer: (2019). The transcriptional landscape of Marek’s disease virus in primary chicken B cells reveals novel splice variants and genes. Viruses MDPI. 11 (3), doi: 10.3390/v11030264. (IF: 3.761).

Internships and Research Activities

08.2015        Prof. Dr. Alex Greenwood, Freie Universität Berlin, Leibniz-Institut für zoo-und Wildtierforschung, Berlin, Germany.
09.2015       Dr. Tatiana Borodina, Max-Delbrück-Centrum für Molekulare Medizin (MDC-Berlin), Berlin, Germany

Fellowships and Scientific Awards

08.2018         Schat and Elanco award for outstanding research in Marek’s disease virus (International Marek’s disease virus symposium, China, 2018).

07.2017          Novus Biologicals, LLC- Symposium travel grant (Competational award).
07.2017          gsK Stiftung, travel grant, IHW-conference.
03.2016          FU Bright conference mobility award.
06.2016           International Symposium on Marek’s disease virus mobility award.
10.2012           Competitive PhD fellowship funded by the Egyptian Government (MOHE).
03.2011           Sohag University Scientific Award (SUSA) for the best academic research 2011.
04.2008           Full tuition graduate teaching and research assistantship, SVU, Egypt.
09.2007            Undergraduate Award of Excellence, SVU, Egypt.

Scientific Meetings and Conferences
09.2019          14th Mini-Herpesvirus workshop, Braunschweig, Germany   Oral presentation
08.2018         12th International Symposium on Marek’s disease and avian herpesviruses Yangzhou, China. Oral presentation

07.2017        42nd International Herpesvirus Workshop (IHW), Ghent, Belgium. Oral and Poster presentation
03.2017         27th Annual Meeting of the Society for Virology (GFV), Marburg, Germany. Poster presentation
06.2016         11th International Symposium on Marek’s disease and avian herpesviruses Tours, France. Poster presentation
03.2011          3rd Annual Sohag University Scientific Conference, Sohag, Egypt. Oral presentation

Research-Related Organisational Activities

10.2017          Co-Organizer of the International Conference of Human Herpesvirus-6 (HHV-6), Berlin, Germany. Compiling of the scientific program, inviting and hosting of national and international speakers, introducing and chairing sessions, organizing the poster session.

Public Outreach Activites

Annually since 2016      Organizing workshops for veterinarians in Egypt about the international qualifications to work as a veterinarian in Europe.

09.2016                 Assisting the Egyptian veterinary students to study vet. med. in Germany.

03.2012                Volunteer at Egyptian Society for Mercy to Animals (ESMA), Egypt.

Teaching and Learning
- Art of the teaching in the Veterinary Schools in Germany (Didaktik-workshop, FU).
- Scientific communication
- Scientific writing, critical thinking, Scientific editing, getting funded workshops.
- Leadership and management
- Leadership skills training.
Research-related responsibilities
- Animal applications.
- Methods-learning:  Animal models, qPCR, RNA-IP, Reverse genetics, tissue cultures.
- Specialized certificates:  FELASA category B, getting funded workshop, art of teaching in veterinary schools in Germany.
- Referee assignments:  Journal of immunology Research, Journal of comparative pathology.

Standard Methods and Specialized Techniques
Virology /oncogenesis : Viral mutagenesis, BAC technology, Recombinant viruses, molecular cloning, Reverse genetics, RT-qPCR, IF, RNA-IP, FACS, cell sorting, isolation of lymphocytes from


Software Knowledge
Flow Cytometry FlowJo, FACSDiva, Cytobank
Statistics GraphPad PRISM, SPSS.
Graphic Design Adobe Illustrator, Adobe Photoshop.
Microscopy Image J, AxioVision SE64 Rel. 4.9.1.
MS Office Word, Excel, PowerPoint, Outlook, OneNote.

Commission of Trust
- DVG Member of Deutsche Veterinärmedizinische Gesellschaft e.v. (M109193).

- Freie PostDoc Member of Freie Universität Berlin PostDoc Society.

- ESPD Member of Egyptian Society of Poultry Diseases.

Languages
English Fluent (Reading, speaking and Writing).
German Conversational Level.
Arabic Native speaker.