Helmut Geiger

7.9k total citations · 1 hit paper
185 papers, 5.9k citations indexed

About

Helmut Geiger is a scholar working on Molecular Biology, Surgery and Cardiology and Cardiovascular Medicine. According to data from OpenAlex, Helmut Geiger has authored 185 papers receiving a total of 5.9k indexed citations (citations by other indexed papers that have themselves been cited), including 44 papers in Molecular Biology, 41 papers in Surgery and 41 papers in Cardiology and Cardiovascular Medicine. Recurrent topics in Helmut Geiger's work include Renal Transplantation Outcomes and Treatments (17 papers), Mesenchymal stem cell research (17 papers) and Tissue Engineering and Regenerative Medicine (16 papers). Helmut Geiger is often cited by papers focused on Renal Transplantation Outcomes and Treatments (17 papers), Mesenchymal stem cell research (17 papers) and Tissue Engineering and Regenerative Medicine (16 papers). Helmut Geiger collaborates with scholars based in Germany, Hungary and United States. Helmut Geiger's co-authors include Patrick C. Baer, Stefan Gauer, Oliver Jung, Roland E. Schmieder, Hans P. Schobel, Jan Goßmann, Thorsten Fischer, Ralf Schubert, Ingeborg A. Hauser and Martin Brzoska and has published in prestigious journals such as New England Journal of Medicine, The Lancet and Circulation.

In The Last Decade

Helmut Geiger

181 papers receiving 5.8k citations

Hit Papers

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What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Adipose-Derived Mesenchymal Stromal/Stem Cells: Tissue Localization, Characterization, and Heterogeneity

2012 380 citations Patrick C. Baer, Helmut Geiger profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
Helmut Geiger	1.4k	1.3k	1.1k	886	777	185	5.9k
Gert Mayer	2.6k 1.9×	1.0k 0.8×	1.5k 1.3×	490 0.6×	2.1k 2.7×	330	9.1k
Markus Exner	2.1k 1.6×	1.3k 1.1×	2.7k 2.4×	412 0.5×	1.3k 1.7×	179	9.2k
Duska Dragun	2.5k 1.8×	1.3k 1.1×	1.5k 1.4×	335 0.4×	2.2k 2.8×	167	8.7k
Phillip Ruiz	3.5k 2.6×	1.0k 0.8×	1.9k 1.7×	517 0.6×	781 1.0×	297	11.1k
Jan‐Luuk Hillebrands	1.2k 0.9×	603 0.5×	1.5k 1.3×	149 0.2×	885 1.1×	173	6.1k
Wadi N. Suki	891 0.7×	426 0.3×	1.4k 1.3×	318 0.4×	2.3k 3.0×	204	6.3k
Pravin C. Singhal	1.1k 0.8×	600 0.5×	2.2k 2.0×	563 0.6×	2.1k 2.7×	301	7.4k
Berend Isermann	838 0.6×	1.1k 0.9×	1.8k 1.7×	464 0.5×	1.0k 1.3×	215	7.3k
Anette Melk	928 0.7×	489 0.4×	1.1k 1.0×	151 0.2×	1.0k 1.3×	127	4.5k
Ginés Escolar	1.2k 0.9×	1.5k 1.2×	963 0.9×	401 0.5×	524 0.7×	361	7.3k

Countries citing papers authored by Helmut Geiger

Since Specialization

Citations

This map shows the geographic impact of Helmut Geiger's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Helmut Geiger with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Helmut Geiger more than expected).

Fields of papers citing papers by Helmut Geiger

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Helmut Geiger. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Helmut Geiger. The network helps show where Helmut Geiger may publish in the future.

Co-authorship network of co-authors of Helmut Geiger

This figure shows the co-authorship network connecting the top 25 collaborators of Helmut Geiger. A scholar is included among the top collaborators of Helmut Geiger based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Helmut Geiger. Helmut Geiger is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Koch, Benjamin, Dominik C. Fuhrmann, Ralf Schubert, et al.. (2023). Gliflozins Have an Anti-Inflammatory Effect on Renal Proximal Tubular Epithelial Cells in a Diabetic and Inflammatory Microenvironment In Vitro. International Journal of Molecular Sciences. 24(3). 1811–1811. 6 indexed citations

Sauerhering, Lucie, Sarah K. Fehling, Kevin Klann, et al.. (2022). Proteomic landscape of SARS-CoV-2– and MERS-CoV–infected primary human renal epithelial cells. Life Science Alliance. 5(5). e202201371–e202201371. 7 indexed citations

Koch, Benjamin, Kevin Klann, Dominik C. Fuhrmann, et al.. (2021). Characterization of Extracellular Vesicles from Preconditioned Human Adipose-Derived Stromal/Stem Cells. International Journal of Molecular Sciences. 22(6). 2873–2873. 12 indexed citations

Arcari, Luca, Juergen Engel, Tilo Freiwald, et al.. (2021). Cardiac biomarkers in chronic kidney disease are independently associated with myocardial edema and diffuse fibrosis by cardiovascular magnetic resonance. Journal of Cardiovascular Magnetic Resonance. 23(1). 71–71. 23 indexed citations

Freiwald, Tilo, Stefan Büttner, Simon S. Martin, et al.. (2020). CD4⁺ T cell lymphopenia predicts mortality from Pneumocystis pneumonia in kidney transplant patients. Clinical Transplantation. 34(9). e13877–e13877. 16 indexed citations

Baer, Patrick C., Evelyn Ullrich, Helmut Geiger, et al.. (2020). Tracking of Infused Mesenchymal Stem Cells in Injured Pulmonary Tissue in Atm-Deficient Mice. Cells. 9(6). 1444–1444. 6 indexed citations

Gauer, Stefan, Anja Urbschat, Norbert Gretz, et al.. (2016). Kidney Injury Molecule-1 Is Specifically Expressed in Cystically-Transformed Proximal Tubules of the PKD/Mhm (cy/+) Rat Model of Polycystic Kidney Disease. International Journal of Molecular Sciences. 17(6). 802–802. 14 indexed citations

Büttner, Stefan, Jörg Honold, Nestoras Papadopoulos, et al.. (2016). TCT-677 Comparison of surgical versus interventional treatment of aortic valve stenosis in kidney transplant recipients. Journal of the American College of Cardiology. 68(18). B274–B274. 2 indexed citations

Obermüller, Nicholas, et al.. (2013). Current developments in early diagnosis of acute kidney injury. International Urology and Nephrology. 46(1). 1–7. 71 indexed citations

10.

Baer, Patrick C., Selim Kuçi, Michael Krause, et al.. (2012). Comprehensive Phenotypic Characterization of Human Adipose-Derived Stromal/Stem Cells and Their Subsets by a High Throughput Technology. Stem Cells and Development. 22(2). 330–339. 84 indexed citations

11.

Salgo, R., Jan Goßmann, Helmut Schöfer, et al.. (2010). Switch to a Sirolimus‐Based Immunosuppression in Long‐Term Renal Transplant Recipients: Reduced Rate of (Pre‐)Malignancies and Nonmelanoma Skin Cancer in a Prospective, Randomized, Assessor‐Blinded, Controlled Clinical Trial. American Journal of Transplantation. 10(6). 1385–1393. 158 indexed citations

12.

Goßmann, Jan, Ernst‐Heinrich Scheuermann, Heinz‐Georg Kachel, Helmut Geiger, & Ingeborg A. Hauser. (2009). Reactivation of hepatitis B two years after rituximab therapy in a renal transplant patient with recurrent focal segmental glomerulosclerosis: a note of caution. Clinical Transplantation. 23(3). 431–434. 15 indexed citations

13.

Frank, Helga, Karsten Heusser, Helmut Geiger, et al.. (2008). Temporary Reduction of Blood Pressure and Sympathetic Nerve Activity in Hypertensive Patients After Microvascular Decompression. Stroke. 40(1). 47–51. 21 indexed citations

14.

Baer, Patrick C. & Helmut Geiger. (2006). Different Effects of Growth Factors on Human Renal Early Distal Tubular Cells in vitro. Kidney & Blood Pressure Research. 29(4). 225–230. 8 indexed citations

15.

Gaßler, Nikolaus, Frank Autschbach, Stefan Gauer, et al.. (2002). Expression of Osteopontin (Eta-1) in Crohn Disease of the Terminal Ileum. Scandinavian Journal of Gastroenterology. 37(11). 1286–1295. 34 indexed citations

16.

Goßmann, Jan, Sebastian Harder, Tomas Lenz, et al.. (2001). Angiotensin II infusion increases plasma erythropoietin levels via an angiotensin II type 1 receptor-dependent pathway. Kidney International. 60(1). 83–86. 82 indexed citations

17.

Lenz, T., et al.. (1998). Exhaustive exercise-induced tissue hypoxia does not change endothelin and big endothelin plasma levels in normal volunteers. American Journal of Hypertension. 11(8). 1028–1031. 11 indexed citations

18.

Geiger, Helmut. (1992). Die deutsche Sparkassenorganisation. 2 indexed citations

19.

Hofmann, Walter, et al.. (1987). Handbuch des gesamten Kreditwesens. 1 indexed citations

20.

Geiger, Helmut, et al.. (1986). Altered cAMP Content in Specific Brain Areas of Spontaneously Hypertensive Rats Dependent on Calcium Status or Parathyroidectomy. American Journal of Nephrology. 6(1). 139–144. 3 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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