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

align trajectories

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 →

Peers

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

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work	Indexed citations
1	Transcriptomics of Marburg virus-infected primary proximal tubular cells reveals negative correlation of immune response and energy metabolism 2024 ·Virus Research ·Benjamin Koch, (unknown), (unknown), Nils Wetzstein, (unknown), Tobias Schmid, Helmut Geiger, Patrick C. Baer, Olga Dolnik	0
2	Gliflozins Have an Anti-Inflammatory Effect on Renal Proximal Tubular Epithelial Cells in a Diabetic and Inflammatory Microenvironment In Vitro 2023 ·International Journal of Molecular Sciences ·Benjamin Koch, Dominik C. Fuhrmann, Ralf Schubert, Helmut Geiger, Thimoteus Speer, Patrick C. Baer	6
3	Characterization of Extracellular Vesicles from Preconditioned Human Adipose-Derived Stromal/Stem Cells 2021 ·International Journal of Molecular Sciences ·(unknown), Benjamin Koch, Kevin Klann, Dominik C. Fuhrmann, (unknown), Ralf Schubert, Christian Münch, Helmut Geiger, Patrick C. Baer	12
4	Tracking of Infused Mesenchymal Stem Cells in Injured Pulmonary Tissue in Atm-Deficient Mice 2020 ·Cells ·Patrick C. Baer, (unknown), (unknown), Evelyn Ullrich, Helmut Geiger, Peter Bader, Stefan Zielen, Ralf Schubert	6
5	CD4⁺ T cell lymphopenia predicts mortality from Pneumocystis pneumonia in kidney transplant patients 2020 ·Clinical Transplantation ·Tilo Freiwald, Stefan Büttner, (unknown), (unknown), Simon S. Martin, Christoph Stephan, Rainer U. Pliquett, (unknown), Gundolf Schüttfort, Volkmar Jacobi, Eva Herrmann, Helmut Geiger, Ingeborg A. Hauser	16
6	Kidney Injury Molecule-1 Is Specifically Expressed in Cystically-Transformed Proximal Tubules of the PKD/Mhm (cy/+) Rat Model of Polycystic Kidney Disease 2016 ·International Journal of Molecular Sciences ·Stefan Gauer, Anja Urbschat, Norbert Gretz, Sigrid Hoffmann, Bettina Kränzlin, Helmut Geiger, Nicholas Obermüller	14
7	Aortic Valve Stenosis in a Dialysis Patient Waitlisted for Kidney Transplantation 2016 ·The Annals of Thoracic Surgery ·Stefan Büttner, (unknown), (unknown), Benjamin Koch, Andreas Zierer, Andreas M. Zeiher, Helmut Geiger, Mariuca Vasa‐Nicotera, Ingeborg A. Hauser, Stephan Fichtlscherer	9
8	Human Pregnane X Receptor Genotype of the Donor but Not of the Recipient Is a Risk Factor for Delayed Graft Function After Renal Transplantation 2012 ·Clinical Pharmacology & Therapeutics ·I.A. Hauser, Stephan Kruck, Stefan Gauer, Anne T. Nies, Stefan Winter, Jens Bedke, Helmut Geiger, (unknown), Johannes Kleemann, (unknown), J. Engel, Oliver Burk, Matthias Schwab, Elke Schaeffeler	16
9	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 2010 ·American Journal of Transplantation ·R. Salgo, Jan Goßmann, Helmut Schöfer, Heinz‐Georg Kachel, Joachim Kuck, Helmut Geiger, (unknown), Ernst‐Heinrich Scheuermann	158
10	Human adipose-derived mesenchymal stem cells in vitro: evaluation of an optimal expansion medium preserving stemness 2009 ·Cytotherapy ·Patrick C. Baer, Nadine Griesche, Werner Luttmann, Ralf Schubert, (unknown), Helmut Geiger	79
11	Temporary Reduction of Blood Pressure and Sympathetic Nerve Activity in Hypertensive Patients After Microvascular Decompression 2008 ·Stroke ·Helga Frank, Karsten Heusser, Helmut Geiger, Rudolf Fahlbusch, Ramin Naraghi, Hans P. Schobel	21
12	Synergistic induction of osteopontin by aldosterone and inflammatory cytokines in mesangial cells 2007 ·Journal of Cellular Biochemistry ·Stefan Gauer, Ingeborg A. Hauser, Nicholas Obermüller, (unknown), Helmut Geiger, Margarete Goppelt‐Struebe	18
13	INFLUENCE OF DIURESIS ON ENZYMURIA 2001 ·Renal Failure ·(unknown), (unknown), Helmut Geiger, Ulrich F. Mondorf	3
14	Effects of mycophenolic acid on human renal proximal and distal tubular cells in vitro 2000 ·Nephrology Dialysis Transplantation ·Patrick C. Baer, Stefan Gauer, Ingeborg A. Hauser, Jürgen E. Scherberich, Helmut Geiger	28
15	Transdifferentiation of Distal but Not Proximal Tubular Epithelial Cells from Human Kidney in Culture 1999 ·Nephron Experimental Nephrology ·Patrick C. Baer, U. Tunn, (unknown), Jürgen E. Scherberich, Helmut Geiger	25
16	Lipoprotein (a) stimulates mitogen activated protein kinase in human mesangial cells 1998 ·FEBS Letters ·Ulrich F. Mondorf, Albrecht Piiper, (unknown), Michael Bender, Ernst Scheuermann, Helmut Geiger	5
17	Exhaustive exercise-induced tissue hypoxia does not change endothelin and big endothelin plasma levels in normal volunteers 1998 ·American Journal of Hypertension ·T. Lenz, (unknown), Jan Goßmann, (unknown), Helmut Geiger	11
18	Die deutsche Sparkassenorganisation 1992 ·Helmut Geiger	2
19	Handbuch des gesamten Kreditwesens 1987 ·Walter Hofmann, (unknown), Helmut Geiger, (unknown), (unknown), (unknown), (unknown)	1
20	Altered cAMP Content in Specific Brain Areas of Spontaneously Hypertensive Rats Dependent on Calcium Status or Parathyroidectomy 1986 ·American Journal of Nephrology ·Helmut Geiger, Miklós Palkovits, (unknown), Udo Bahner, A. Heidland	3

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.

Explore authors with similar magnitude of impact