Joachim Geyer

3.4k total citations
107 papers, 2.3k citations indexed

About

Joachim Geyer is a scholar working on Oncology, Molecular Biology and Pediatrics, Perinatology and Child Health. According to data from OpenAlex, Joachim Geyer has authored 107 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 70 papers in Oncology, 31 papers in Molecular Biology and 27 papers in Pediatrics, Perinatology and Child Health. Recurrent topics in Joachim Geyer's work include Drug Transport and Resistance Mechanisms (70 papers), Pharmacological Effects and Toxicity Studies (25 papers) and Hepatitis B Virus Studies (16 papers). Joachim Geyer is often cited by papers focused on Drug Transport and Resistance Mechanisms (70 papers), Pharmacological Effects and Toxicity Studies (25 papers) and Hepatitis B Virus Studies (16 papers). Joachim Geyer collaborates with scholars based in Germany, United States and United Kingdom. Joachim Geyer's co-authors include Ernst Petzinger, Barbara Döring, José R. Godoy, Thomas Wilke, Dieter Glebe, Olga Gavrilova, Christina Janko, Simon Müller, Stefan A. Wudy and Alexander König and has published in prestigious journals such as Journal of Biological Chemistry, Nature Communications and SHILAP Revista de lepidopterología.

In The Last Decade

Joachim Geyer

104 papers receiving 2.2k citations

Peers

Joachim Geyer
Stephen J. Keely Ireland
Iain P. Fraser United States
M. A. Karim Rumi United States
Gabriele Schoedon Switzerland
Valerie A. Gerriets United States
Mary E. Morgan Netherlands
Felix M. Wensveen Croatia
Susan Venable United States
Hasan Zaki United States
Stephen J. Keely Ireland
Joachim Geyer
Citations per year, relative to Joachim Geyer Joachim Geyer (= 1×) peers Stephen J. Keely

Countries citing papers authored by Joachim Geyer

Since Specialization
Citations

This map shows the geographic impact of Joachim Geyer'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 Joachim Geyer with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Joachim Geyer more than expected).

Fields of papers citing papers by Joachim Geyer

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Joachim Geyer. 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 Joachim Geyer. The network helps show where Joachim Geyer may publish in the future.

Co-authorship network of co-authors of Joachim Geyer

This figure shows the co-authorship network connecting the top 25 collaborators of Joachim Geyer. A scholar is included among the top collaborators of Joachim Geyer 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 Joachim Geyer. Joachim Geyer is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Ghallab, Ahmed, Mattias Mandorfer, Guido Stirnimann, et al.. (2025). Enteronephrohepatic circulation of bile acids and therapeutic potential of systemic bile acid transporter inhibitors. Journal of Hepatology. 83(5). 1204–1217. 3 indexed citations
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Müller, Simon, Alexander König, Barbara Döring, Dieter Glebe, & Joachim Geyer. (2018). Characterisation of the hepatitis B virus cross-species transmission pattern via Na+/taurocholate co-transporting polypeptides from 11 New World and Old World primate species. PLoS ONE. 13(6). e0199200–e0199200. 36 indexed citations
5.
Fietz, Daniela, Alberto Sánchez‐Guijo, Michaela F. Hartmann, et al.. (2017). Sodium-dependent organic anion transporter ( Slc10a6−/− ) knockout mice show normal spermatogenesis and reproduction, but elevated serum levels for cholesterol sulfate. The Journal of Steroid Biochemistry and Molecular Biology. 179. 45–54. 9 indexed citations
6.
Geyer, Joachim, Rita Bernhardt, Daniela Fietz, et al.. (2016). The role of sulfated steroid hormones in reproductive processes. The Journal of Steroid Biochemistry and Molecular Biology. 172. 207–221. 74 indexed citations
7.
Schumacher, Valerié, Sabine Kliesch, W. Weidner, et al.. (2016). Current insights into the sulfatase pathway in human testis and cultured Sertoli cells. Histochemistry and Cell Biology. 146(6). 737–748. 11 indexed citations
8.
Kessler, Martin, et al.. (2016). Detection of novel polymorphisms in the ckit gene of canine patients with lymphoma, melanoma, haemangiosarcoma, and osteosarcoma. Veterinary Research Communications. 40(2). 89–95. 6 indexed citations
9.
Sánchez‐Guijo, Alberto, Bernhard Ugele, Michaela F. Hartmann, et al.. (2014). Transport of the placental estriol precursor 16α-hydroxy-dehydroepiandrosterone sulfate (16α-OH-DHEAS) by stably transfected OAT4-, SOAT-, and NTCP-HEK293 cells. The Journal of Steroid Biochemistry and Molecular Biology. 143. 259–265. 37 indexed citations
10.
Grosser, Gary, Barbara Döring, Bernhard Ugele, et al.. (2014). Transport of the soy isoflavone daidzein and its conjugative metabolites by the carriers SOAT, NTCP, OAT4, and OATP2B1. Archives of Toxicology. 89(12). 2253–2263. 24 indexed citations
11.
Hessel‐Pras, Stefanie, et al.. (2014). The role of the efflux carriers Abcg2 and Abcc2 for the hepatobiliary elimination of benzo[a]pyrene and its metabolites in mice. Chemico-Biological Interactions. 224. 36–41. 20 indexed citations
12.
Neiger, Reto, et al.. (2012). Therapie einer Avermectin-Intoxikation bei zwei Hunden mit homozygotem nt230(del4)- MDR1-Gendefekt durch Lipidinfusion. Kleintierpraxis. 57. 1 indexed citations
13.
Döring, Barbara, Thomas Lütteke, Joachim Geyer, & Ernst Petzinger. (2012). The SLC10 Carrier Family. Current topics in membranes. 70. 105–168. 104 indexed citations
14.
Geyer, Joachim, et al.. (2010). Detection of the CYP1A2 1117C > T polymorphism in 14 dog breeds. Journal of Veterinary Pharmacology and Therapeutics. 34(1). 98–100. 10 indexed citations
15.
Döring, Barbara, et al.. (2010). Breed distribution of the nt230(del4) MDR1 mutation in dogs. The Veterinary Journal. 189(1). 67–71. 58 indexed citations
16.
Geyer, Joachim, et al.. (2008). Expression of histone 1 (H1) and testis-specific histone 1 (H1t) genes during stallion spermatogenesis. Animal Reproduction Science. 111(2-4). 220–234. 5 indexed citations
17.
Geyer, Joachim, Olga Gavrilova, & Ernst Petzinger. (2008). Brain penetration of ivermectin and selamectin inmdr1a,bP‐glycoprotein‐ andbcrp‐ deficient knockout mice. Journal of Veterinary Pharmacology and Therapeutics. 32(1). 87–96. 48 indexed citations
18.
Gavrilova, Olga, Joachim Geyer, & Ernst Petzinger. (2007). In vivo relevance of Mrp2-mediated biliary excretion of the Amanita mushroom toxin demethylphalloin. Biochimica et Biophysica Acta (BBA) - Biomembranes. 1768(9). 2070–2077. 8 indexed citations
19.
Geyer, Joachim, et al.. (2005). Frequency of the nt230 (del4)MDR1mutation in Collies and related dog breeds in Germany. Journal of Veterinary Pharmacology and Therapeutics. 28(6). 545–551. 51 indexed citations
20.
Geyer, Joachim, M. Netzel, I. Bitsch, et al.. (2000). Bioavailability of Water- and Lipid-Soluble Thiamin Compounds in Broiler Chickens. International Journal for Vitamin and Nutrition Research. 70(6). 311–316. 8 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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