Priv. Doz. (MHH) DDr. Nima Memaran

Ubenauf TA*, von der Born J*, Sugianto RI, Grabitz C, Lehmann E, Memaran N, Kanzelmeyer N, Falk J, Babadze N, Sarikouch S, Renz DM, Schmidt BMW, Melk A. Elevated septal native T1 time in ardiac magnetic resonance imaging suggesting myocardial fibrosis in young kidney transplant recipients. J Cardiovasc Magn Reson 2025; 27(1): 101839.
IF: 6,1

Kohlmeier L, von der Born J, Lehmann E, Frode K, Grabitz C, Greiner AS, Albrecht AA, Memaran N, Sugianto RI, Tegtbur U, Schmidt BMW, Kanzelmeyer N, Melk A. Physical activity and its impact on cardiovascular health in pediatric kidney transplant recipients. Pediatr Nephrol 2024; 39(5): 1587-1598.
IF: 3.0

Tietze H, Pott V, Kanzelmeyer N, Memaran N, Baumann U, Mindermann C, Suhlrie A, Drube J, Melk A, Das AM, Schnabel D, Haffner D, Leifheit-Nestler M. LMS-based continuous pediatric reference values for soluble receptor activator of nuclear factor kappa B ligand (sRANKL) and osteoprotegerin (OPG) in the HARP cohort. Osteoporos Int 2024; 35(3): 533-542.
IF: 4,0

Sugianto RI, Grabitz C, Bayazit A, Duzova A, Thurn-Valsassina D, Memaran N, Doyon A, Canpolat N, Kaplan Bulut I, Azukaitis K, Obrycki L, Anarat A, Buscher R, Caliskan S, Harambat J, Lugani F, Ozcakar ZB, Paripovic D, Ranchin B, Querfeld U, Schaefer F, Schmidt BMW, Melk A. Stricter Blood Pressure Control Is Associated With Lower Left Ventricular Mass in Children After Kidney Transplantation: A Longitudinal Analysis of the 4C-T Study. Hypertension 2023; 80: 1900-8.
IF: 8.3

5/9Grabitz C, Sprung KM, Amagliani L, Memaran N, Schmidt BMW, Tegtbur U, von der Born J, Kerling A, Melk A.
Cardiovascular health and potential cardiovascular risk factors in young athletes. Front Cardiovasc Med 2023; 10: 1081675.
IF: 3.6

Sugianto RI, Saenger T, Ahn C, Chong AS, Goldberg AM, Grabitz C, Mannon RB, Marson L, Memaran N, Sapir-Pichhadze
R, Tullius SG, von der Born J, West LJ, Foster BJ, Lerminiaux L, Wong G, Melk A. State-of-the-Art Meeting on Sex and
Gender in Transplantation: The Female Perspective. Transplantation 2023; 107: 1865-9.
IF: 6.2

Greiner AS*, von der Born J*, Kohlmeier L, Grabitz C, Bauer E, Memaran N, Sugianto RI, Kanzelmeyer N, Fröde K, Schmidt
BMW, Melk A. The significance of central blood pressure for cardiovascular target organ damage in children and adolescents
after kidney transplantation. Ped Nephrol 2023; 38: 2791-9.
IF: 3.0

Sugianto RI, Memaran N, Schmidt BMW, Doyon A, Thurn-Valsassina D, Alpay H, Anarat A, Arbeiter K, Azukaitis K, Bayazit
AK, Bulut IK, Caliskan S, Canpolat N, Duzova A, Gellerman J, Harambat J, Homeyer D, Litwin M, Mencarelli F, Obrycki L,
Paripovic D, Ranchin B, Shroff R, Tegtbur U, von der Born J, Yilmaz E, Querfeld U, Wühl E, Schaefer F*, Melk A*. Response
to the commentary “Modeling pulse wave velocity trajectories-challenges, opportunities, and pitfalls”. Letter to the Editor.
Kidney Int 2022; 102(4):938-939.
IF: 19.6

Sugianto RI, Memaran N, Schmidt BMW, Doyon A, Thurn-Valsassina D, Alpay H, Anarat A, Arbeiter K, Azukaitis K, Bayazit
AK, Bulut IK, Caliskan S, Canpolat N, Duzova A, Gellerman J, Harambat J, Homeyer D, Litwin M, Mencarelli F, Obrycki L, Paripovic D, Ranchin B, Shroff R, Tegtbur U, von der Born J, Yilmaz E, Querfeld U, Wühl E, Schaefer F*, Melk A*. Findings from 4C-T Study demonstrate an increased cardiovascular burden in girls with end stage kidney disease and kidney transplantation. Kidney Int 2022; 101(3):585-596.
IF: 19.6

von der Born J*, Baberowski S*, Memaran N, Grams L, Homeyer D, Borchert-Morlins B, Sugianto RI, Paulsen M, Bauer E, Grabitz C, Schmidt BMW, Kerling A, Beerbaum P, Stiesch M, Tegtbur U, Melk A. Impact of Sex and Obesity on Echocardiographic Parameters in Children and Adolescents. Pediatr Cardiol 2022; Oct;43(7):1502-1516.
IF: 1.6

Sterniste G, Hammer K, Memaran N, Huber WD, Hammer J. Significance of validated symptom assessment versus breath testing for malabsorption after lactose load in children. Eur J Gastroenterol Hepatol 2022; 34(3):274-280.
IF: 2.1

Kraemer TD, Soerensen-Zender I, Memaran N, Haller H, Melk A, Schmidt BMW, Schmitt R. Changes in AZGP1 Serum Levels and Correlation With Pulse Wave Velocity After Kidney Transplantation. Front Cardiovasc Med 2021; 8:692213.
IF: 3,6

Pichler J, Memaran N, Huber WD, Aufricht C, Bidmon-Fliegenschnee B. Golimumab in adolescents with Crohn’s disease refractory to previous tumor necrosis factor antibody. Acta Paediatrica 2021;110(2):661-7.
IF: 3.8

Hammer K, Hasanagic H, Memaran N, Huber WD, Hammer J. Relevance of Methane and Carbon Dioxide Evaluation in Breath Tests for Carbohydrate Malabsorption in a Paediatric Cohort. JPGN 2021;72(3):e71-e7.
IF: 2.9

Sugianto RI, Schmidt BMW, Memaran N, Duzova A, Topaloglu R, Seeman T, König, S, Dello Strogolo L, Murer L, Ozcakar ZB, Bald M, Shenoy M, Büscher A, Hoyer PF, Pohl M, Billing H, Oh J, Staude H, Pohl M, Genc G, Klaus G, Alparslan C, Grenda R, Rubik J, Krupka K, Tönshoff B, Wühl E, Melk A. Sex and age as determinants for high blood pressure in pediatric renal transplant recipients: a longitudinal analysis of the CERTAIN Registry. Ped Nephrol 2020;35(3):415-26.
IF: 3,0

Stocklassa T*, Borchert-Mörlins B*, Memaran N, Einecke G, Schmitt R, Richter N, Vondran FW, Bauer E, Markefke S, Melk A, Schmidt BMW. Sex Differences in Subclinical Cardiovascular Organ Damage After Renal Transplantation: A Single-Center Cohort Study. J Womens Health 2021; 30(9):1352-1361.
IF: 3.5

Hammer J, Memaran N, Huber WD, Hammer K. Development and validation of the paediatric Carbohydrate Perception Questionnaire (pCPQ), an instrument for the assessment of carbohydrate-induced gastrointestinal symptoms in the paediatric population. Neurogastroent Motil 2020; 32(12):e13934.
IF: 3.5

Serwas NK, Hoeger B, Ardy RC, Stulz SV, Sui Z, Memaran N, Meeths M, Krolo A, Yüce Petronczki Ö, Pfajfer L, Hou TZ, Halliday N, Santos-Valente E, Kalinichenko A, Kennedy A, Mace EM, Mukherjee M, Tesi B, Schrempf A, Loizou JI, Kain R, Bidmon-Fliegenschnee B, Schickel JN, Glauzy S, Huemer J, Garncarz W, Salzer E, Pierides I, Bilic I, Thiel J, Priftakis P, Banerjee PP, Förster-Waldl E, Medgyesi D, Huber WD, Orange JS, Meffre E, Sansom DM, Bryceson YT, Altman A, Boztug K. Human DEF6 deficiency underlies an immunodeficiency syndrome with systemic autoimmunity and aberrant CTLA-4 homeostasis. Nature Communications 2019;10(1):3106.
IF: 16.6

Melk A, Babitsch B, Borchert-Mörlins B, Claas F, Dipchand AI, Eifert S, Eiz-Vesper B, Epping J, Falk CS, Foster B, Geyer S, Gjertson D, Greer M, Haubitz M, Lau A, Maecker-Kolhoff B, Memaran N, Messner HA, Ostendorf K, Samuel U, Schmidt BMW, Tullius SG, West L, Wong G, Zimmermann T, Berenguer M. Equally interchangeable? – How sex and gender affect transplantation. Review. Transplantation 2019;103(6):1094-1110.
IF: 6.2

Ostendorf K, Memaran N, Schmidt B, Melk A. Importance of sex differences in kidney transplantation. Review. Transfusion Medicine 2018;8(04):243-51. Borchert-Morlins B, Memaran N, Sauer M, Maecker-Kolhoff B, Sykora KW, Blote R, Bauer E, Schmidt BMW, Melk A*, Beier R*. Cardiovascular risk factors and subclinical organ damage after hematopoietic stem cell transplantation in pediatric age. Bone Marrow Transplant 2018;53:983-992.
IF: 4.8

Hammer V, Hammer K, Memaran N, Huber WD, Hammer K, Hammer J. Relationship between abdominal symptoms and fructose ingestion in children with chronic abdominal pain. Dig Dis Sci 2018;63:1270-1279.
IF: 3.1

Bidmon-Fliegenschnee B, Lederhuber H, Csaicsich D, Pichler J, Herzog R, Memaran-Dadgar N, Huber WD, Aufricht C, Kratochwill K. Overexpression of hsp70 confers cytoprotection during gliadin exposure in caco-2 cells. Pediatr Res 2015;78:358-364.
IF: 3.6

Woutsas S, Aytekin C, Salzer E, Conde CD, Apaydin S, Pichler H, Memaran-Dadgar N, Hosnut FO, Forster-Waldl E, Matthes S, Huber WD, Lion T, Holter W, Bilic I, Boztug K. Hypomorphic mutation in ttc7a causes combined

immunodeficiency with mild structural intestinal defects. Letter to the Editor. Blood 2015;125:1674-1676.
IF: 20.3

Steiner GE, Newman ME, Paikl D, Stix U, Memaran-Dagda N, Lee C, Marberger MJ. Expression and function of pro-inflammatory interleukin IL-17 and IL-17 receptor in normal, benign hyperplastic, and malignant prostate. Prostate 2003;56:171-182.
IF: 2.8

Rebhandl W, Handisurya A, Memaran N, Felberbauer FX, Aberle J, Paya K, Strobl B, Horcher E. Expression of cytokeratin-18-related tissue polypeptide-specific (TPS) antigen in Wilms tumor. Med Pediatr Oncol 2001;37:357-364. IF: 1.6 (2005) Handisurya A, Steiner GE, Stix U, Ecker RC, Pfaffeneder-Mantai S, Langer D, Kramer G, Memaran-Dadgar N, Marberger M. Differential expression of interleukin-15, a pro-inflammatory cytokine and T-cell growth factor, and its receptor in human prostate. Prostate 2001;49:251-262.
IF: 2.8

2024

Memaran N. Maintenance and servicing of spare parts – sonography after kidney and liver transplantation. 62nd Annual Conference of the Österr. Society for Pediatrics and Adolescent Medicine. 01.10.2024.
Bregenz, Austria. Invited lecture.

2023
Memaran N. Gender and Sex Aspects in Biomedical Research. 10 years of poolingDFG equal opportunity funds, 15.12.2023. online – Symposium. Invited lecture

Memaran N. Gender and Sex Aspects in Biomedical Research. Hannover medical School Early Career
Mentoring, 05.09.2023. Hanover, Germany. Invited lecture

2022

Memaran N, Sugianto RI, Ostendorf K, Bauer E, von der Born J, Oh J, Kemper MJ, Buescher R, Schmidt BMW, Melk A. The effect of blood pressure increase on the course of pulse wave velocity in pediatric kidney transplant recipients. 19th Congress of the International Pediatric Nephrology Association IPNA, 07. – Sept. 11. 2022. Calgary, Canada. Poster presentation

Memaran N. Long-Term Cardiovascular Morbidity after Pediatric Liver Transplantation. What do we know, what do we need to find out. 54th Annual Meeting of the European Society for Paediatric Gastroenterology, Hepatology and Nutrition ESPGHAN, 22-25.06.2022. Copenhagen, Denmark. Invited lecture

Memaran N. Sonography of nephrolithiasis and nephrocalcinosis. DEGUM – Annual Meeting Pediatrics Section, 06. – May 07, 2022, Duisburg, Germany. Exam presentation

Memaran N. Sonography after pediatric liver transplantation. DEGUM – Annual Meeting Pediatrics Section, 06. – May 07, 2022, Duisburg, Germany. Exam presentation

Memaran N, Sugianto RI, Wilke H, Borchert-Mörlins B, Blöte R, Baumann U, Bauer E, Junge N, Pfister ED, Richter N, Schmidt BMW, Goldschmidt I, Melk A. Telomere shortening is associated with increasing intima – media thickness in pediatric liver transplant patients. 11th Congress of the International Pediatric Transplant
Association IPTA, March 26 – 29, 2022, online congress. Lecture

Memaran N, Sugianto RI, Ostendorf K, Bauer E, von der Born J, Oh J, Kemper MJ, Buescher R, Schmidt BMW, Melk A. Arterial Stiffness and Blood Pressure Increase in Pediatric Kidney Transplant Recipients. 11th Congress of the International Pediatric Transplant Association IPTA, March 26 – 29, 2022, online congress. Lecture

2021

Memaran N, Sugianto RI, Ostendorf K, Borchert-Mörlins B, von der Born J, Bauer E, Oh J, Kemper M, Büscher R, Schmidt BMW, Melk A. The increase in pulse wave velocity after pediatric kidney transplantation is dependent on the increase in blood pressure. 52nd Annual Meeting of the Society for Pediatric Nephrology GPN, Sept. 30. – 02. Oct. 2021, online – Congress. Poster presentation

2019

Memaran N. Cardiovascular risk in healthy children and children after organ and stem cell transplantation. 28th Annual Meeting of the German Transplantation Society DTG. October 17 – 19, 2019,
Hanover, Germany. Invited lecture

Memaran N, Goldschmidt I, Borchert B, Sugianto RI, Wilke H, Blöte R, Baumann U., Bauer E, von Wick A, Junge N, Leiskau C, Pfister ED, Richter N, Schmidt BMW, Melk A. Factors Associated with Subclinical Cardiovascular Damage after Pediatric Liver Transplantation: A Longitudinal Observational Study. American Transplant Congress ATC, June 1 – 5, 2019, Boston, USA. Lecture

Memaran N, Goldschmidt I, Borchert-Mörlins B, Sugianto RI, Wilke H, Blöte R, Bauer E, von Wick A, Junge N, Leiskau C, Richter N, Pfister ED, Baumann U., Schmidt BMW, Melk A. Longitudinal Assessment of Subclinical Cardiovascular Target Organ Damage after Pediatric Liver Transplantation. 10th Congress of the International Pediatric Transplant Association IPTA, 04. – May 07, 2019, Vancouver, Canada. Lecture

Memaran N, Onnen M, Müller C, Schwerk N, Carlens J, Borchert-Mörlins B, Bauer E, von Wick A, Sugianto RI, Warnecke G, Tudorache I, Hansen G, Schmidt BMW, Melk A. Antihypertensive therapy shows a positive effect on atherosclerosis in patients after lung transplantation. 50th Annual Meeting of the Society for Pediatric Nephrology GPN, March 27-30, 2019, Cologne, Germany. Poster presentation Schwalba M, Memaran N, Borchert-Mörlins B, von der Born J, von Maltzahn N, Markefke S, Bauer E, von Wick, A, Grams L, Homeyer D, Stiesch M, Tegtbur U, Haverich A, Melk A. Consistent use of an exercise program integrated into the school day leads to an improvement in the cardiovascular risk profile and athletic fitness of children. 50th Annual Meeting of the Society for Pediatric Nephrology GPN, March 27-30, 2019, Cologne, Germany. Poster presentation

2018

Memaran N, Kirchner M, Blöte R, Maecker-Kolhoff B, Goldschmidt I, Müller C, Epping J, Sugianto R, Borchert B, Schmidt B, Wühl E, Melk A. High Prevalence of Hypertension and Alterations in Rhythmicity in Recipients of Pediatric Transplants. American Transplant Congress ATC, June 2 – 6, 2018, Seattle, USA. Poster presentation

Memaran N, Borchert B, Sugianto R, Blöte R, Onnen M, Wilke H, Beutel G, Schmidt BMW, Melk A. Cardiovascular Disease after Transplantation – Causes and Prevention. International Workshop Equally interchangeable? – How sex and gender affect transplantation. 7. – March 8, 2018, Hanover, Germany. Poster presentation

Memaran N, Blöte R, Kirchner M, Bauer E, Borchert-Mörlins B, Beier R, Maecker-Kolhoff B, Goldschmidt I, Baumann U, Müller C, Schwerk N, Sugianto R, Epping, J, Schmidt BMW, Wühl E, Melk A. High prevalence of arterial hypertension in patients after pediatric transplantation and the association of long-term pathological measurements with atherosclerosis. 49th Annual Meeting of the Society for Pediatric Nephrology GPN, February 28 – March 2, 2018, Hannover, Germany. Lecture

Memaran N, Blöte R, Kirchner M, Bauer E, Beier R, Maecker-Kolhoff B, Goldschmidt I, Baumann U, Müller C, Schwerk N, Sugianto R, Epping, J, Borchert-Mörlins B, Schmidt BMW, Wühl E, Melk A. Ambulatory Blood Pressure Monitoring Detects High Prevalence of Hypertension and Alterations in Rhythmicity in Recipients of Pediatric Transplants. International Congress of Hypertension in Children and Adolescents ICHCA. February 9 – 11, 2018, Valencia, Spain, Poster presentation

2017

Blöte R, Memaran N, Borchert-Mörlins B, Sugianto R, Bauer E, Goldschmidt I, Beier R, Maecker-Kohlhoff B, Müller C, Büscher R, Oh J, Schmidt B, Melk A. Metabolic syndrome: high prevalence after pediatric kidney, lung, liver, and stem cell transplantation, 9th Congress on Arterial Vascular Stiffness DeGAG, Sept 22-23. 2017, Bad Oeynhausen, Germany. Lecture

Memaran N, Borchert-Mörlins B, Sugianto R, Blöte R, Baig S, Bauer E, Tamac L, Schmidt B, Melk A. Ambulatory Blood Pressure Monitoring Detects High Prevalence of Hypertension in Recipients of non-Renal Transplants. 9th Congress of the International Pediatric Transplant Association IPTA, May 27 – 30, 2017, Barcelona, Spain. Lecture

Memaran N, Borchert-Mörlins B, Sugianto RI, Blöte R, Bauer E, Tamac L, Schmidt BMW, Melk A. Ambulatory Blood Pressure Monitoring Detects High Prevalence of Hypertension in Recipients of Non-Renal Transplants. 48th Annual Meeting of the Society for Pediatric Nephrology GPN, Feb. 15-18. 2017, Vienna, Austria. Poster presentation

2016

Memaran N, Goldschmidt I, Thurn D, Borchert-Mörlins B, Bauer E, Sugianto R, Schmidt BMW, Baumann U, Melk A. Presence of Early Cardiovascular Disease in Pediatric Patients after Liver Transplantation. Fellows Meeting of the International Pediatric Transplant Association IPTA, 8. – April 9, 2016, New York, USA. Lecture