She graduated from the Varna Medical University in 1986. In 1987, after a competitive exam, she was selected as an assistant at the Gastroenterology Clinic. She worked and taught there as an assistant, senior assistant and chief assistant at the educational sector of Gastroenterology, Hepatology and Nutrition until 2014.
In 2015, she was elected as an associate professor in the Department of Anatomy and Cell Biology. Since then, she has been teaching in the Department of Anatomy and Cell Biology.
In June 2024, she was elected for the academic position of Professor of Gastroenterology at the Department of Anatomy and Cell Biology and at the University Hospital St. Marina.
She also teaches at the Second Department of Internal Medicine. She teaches a lecture course at the Department of Propaedeutics of Internal Medicine.
She teaches a series of lectures for the postgraduate training course for the state specialty "Gastroenterology" and lectures for the elective subject "Abdominal Ultrasound". She participates in the examination committee for the state specialty Gastroenterology exam at the Commission at the University Hospital "Tsarina Ioanna" ISUL-Sofia.
In 1994, she specialized in internal medicine, and in 1996, she specialized in "Gastroenterology and Dietetics."
In 2014, Antonia Atanassova, MD defended her scientific and educational degree "Doctor" in the scientific specialty: "Gastroenterology" on the topic "Clinical assessment of ulcerative colitis patients - a modern approach".
In 2021, she defended her dissertation for the degree of Doctor of Science on the topic "Serum expression of microribonucleic acids in patients with chronic inflammatory bowel diseases".
She has over 200 publications in the field of gastroenterology, numerous participations in scientific forums in Bulgaria and abroad.
She is the principal investigator of a project funded by the Science Fund – MU-Varna: “Metabolic syndrome in patients with inflammatory bowel diseases”. 10.2020. Successfully completed and certified in 01.23
She is a subinvestigator in the project "Etiology, clinical picture and diagnosis of non-alcoholic fatty liver disease in children and adolescents" 21.12.2020 - 21.12.2022.
Assoc. prof. Atanassova is the principal investigator in a project No. 23002, which won funding from the Science Fund - MU-Varna: “Research on modern biomarkers in non-alcoholic fatty liver disease”/ FN-13/09.01.24.
She is a subinvestigatror in an international project: “Interreg Danube Transnational Programme CD SKILLS – 2019-2022” – Funded by the European Union.
She has participated several times as a reviewer in a scientific jury for awarding the academic position of chief assistant, for awarding the scientific and educational degree "Doctor", for awarding the academic position of associate professor and the academic position of professor.
The main scientific interests of prof Atanassova are in the field of inflammatory bowel diseases, quality of life in patients with chronic gastroenterological diseases.
Atanassova A, Georgieva A. Circulating miRNA16 in inflammatory bowel disease and some clinical correlations – a cohort study in Bulgarian patients. European Review for Medical and Pharmacological Sciences, 2022; 26: 6310-6315 (IF 3.507)
Georgieva A., Atanassova A., Mirchev M. Rates of latent and active tuberculosis in BGC vaccinated, immunosuppressed Crohn's disease patients form Bulgaria before and during antitumor necrosis factor therapy. European Review for Medical and Pharmacological Sciences, 2022, 26, pp.9, 2399-2407 (IF 3.507)
Yordanova M, Gerova D, Atanassova A, Galunska B. Adenosine Deaminase as a Useful Biomarker for Diagnosis and Monitoring of Inflammatory Bowel Disease. Clinical Laboratory. 2020 Jul;66(7). DOI: 10.7754/clin.lab.2019.191124. PMID: 32658411 (IF 1.1)
Atanassova A. Serum expression of microRNA142 in a cohort of Bulgarian patients with inflammatory bowel diseases. Trakia Journal of Sciences, 2021, vol 19, No 2, pp 156-163
Atanassova A. Specific finger print of microribonucleic acid-28 in the cohort of Bulgarian patients with IBD. Bulgarian Medical Journal, XI, 2021, 1, 39-44
Atanassova A. Expression of microribonucleic acid-144 among Bulgarian patients with inflammatory bowel disease. Original articles. Medical review, 2021, 57, 3, 33-41
Atanassova A. Circulating microribonucleic acids: new diagnostic and prognostic biomarkers in inflammatory bowel diseases patients. Population health. Bulgarian journal of public health. 2021, Vol 13 (1), 43-59
A Georgieva, A Atanassova, I Kotzev. Clinical course of Crohn's disease followed up in a period of six years in one reference centre. JOURNAL OF CROHNS & COLITIS, 2018, vol 12, issue suppl 1, February 2018, S246(IF 7.8)
A Atanassova, A Georgieva. Fatty liver disease in IBD patients as a part of extraintestinal manifestations. JOURNAL OF CROHNS & COLITIS, 2019, vol 13, issue suppl 1, March 2019, S165 (IF 8.7)
A Georgieva, A Atanassova, D Gerova, M Todorova. Vitamin D deficiency as a part of extraintestinal manifestations in IBD Patients: a single-centre experience. JOURNAL OF CROHNS & COLITIS, 2019, vol 113, issue suppl1, March 2019, S388 (IF 8.7)
A Georgieva, A Atanassova, D Gerova, M Todorova. The impact to the disease activity, iron and vitamin D deficiency on fatigue in IBD patients. JOURNAL OF CROHNS & COLITIS, 2019, vol 113, issue suppl 1, March 2019, S457(IF 8.7)
Yordanova M, Gerova D, Atanasova A, GalunskaKalcheva B. Fecal calprotectin levels and degree of inflammation in inflammatory bowel diseases patients. Clin Chim Acta. 2019 Jun;493:S359–60(IF 2.6)
AC Georgieva, A Atanassova, M Mirchev. Response to biologic therapy in operated Crohn`s disease patients. JOURNAL OF CROHNS & COLITIS, 2020, vol 14, issue suppl 1, 2020, S454(IF 9.1)
A Atanassova, AC Georgieva, M Mirchev. Loss of response of anti-TNF in Crohn`s disease patients single- center experience. JOURNAL OF CROHNS & COLITIS, 2020, vol 14, issue suppl 1, 2020, S434(IF 9.1)
E Panayotova, A Atanassova. Programed necrosis and Inflammatory Bowel Desease. Folia Medica, 2020, vol 62, suppl 1, 96
A Atanassova , A C Georgieva. The expression of some circulating micro RNAs and serum Vitamin D levels in IBD patients, Journal of Crohn's and Colitis, Volume 16, Issue Supplement_1, January 2022, Page i181 (IF 8.0)
A Atanassova, A Georgieva. Circulating microRNA-16 in Inflammatory Bowel Disease Patients-Patential Biomarker to Assess Inflammation. JOURNAL OF CROHNS & COLITIS, 2023, vol 17, issue suppl1, February 2023, i263-264(IF 8.0))
E Panayotova , A Atanassova, P116 RIPK3 - a new marker for assessment of ulcerative colitis severity, Journal of Crohn's and Colitis, Volume 17, Issue Supplement_1, February 2023, Page i282, (IF 8.0)
E Panayotova , A Atanassova, P043 RIPK3 – a new marker for assessment of activity in Crohn's disease, Journal of Crohn's and Colitis, Volume 18, Issue Supplement_1, January 2024, Page i301, (IF 8.0)
A Atanassova, A Georgieva. Clostridium Difficile Infection and IBD Patients in One Clinical Center. IJHAMS Journal, ISSA(P):2348 - 0521; ISSN(E):2454 -4728, 2019/6
A Georgieva, A Atanassova, D Dukova, M Mirchev, M Tzaneva, S Chakarov. Do Not Forget about Tuberculosis- Intestinal Tuberculosis or Crohn`s Disease- A Diagnostic Challenge. Journal of Gastrointestinal Disorders and Liver Funtion. 2019, vol 5, issue 1, pp28 -32 ISSN:2471 -060
Atanassova A, Georgieva A. Clostridium difficile infection and IBD patients in one clinical center.United European Gastroenterology Journal, 2017 (IF 3.5)
Atanassova A, Velikova V . Evaluation of quality of life and pain in patients with ulcerative colitis using IBD-Q, SF-36 and EQ-5D- first step of personalization of treatment. United European Gastroenterology Journal, 2016(IF 3.7)
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