Harald App

3.3k total citations · 1 hit paper
18 papers, 2.9k citations indexed

About

Harald App is a scholar working on Molecular Biology, Organic Chemistry and Oncology. According to data from OpenAlex, Harald App has authored 18 papers receiving a total of 2.9k indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Molecular Biology, 5 papers in Organic Chemistry and 3 papers in Oncology. Recurrent topics in Harald App's work include Protein Kinase Regulation and GTPase Signaling (6 papers), Melanoma and MAPK Pathways (4 papers) and Bioactive Compounds and Antitumor Agents (3 papers). Harald App is often cited by papers focused on Protein Kinase Regulation and GTPase Signaling (6 papers), Melanoma and MAPK Pathways (4 papers) and Bioactive Compounds and Antitumor Agents (3 papers). Harald App collaborates with scholars based in United States, Germany and Israel. Harald App's co-authors include Ulf R. Rapp, Xianfeng Zhang, Papia T. Banerjee, Joseph Avruch, John Kyriakis, David L. Brautigan, Gerald McMahon, Cho Tang, Peter Hirth and Li Sun and has published in prestigious journals such as Nature, Proceedings of the National Academy of Sciences and Journal of Biological Chemistry.

In The Last Decade

Harald App

18 papers receiving 2.8k citations

Hit Papers

Raf-1 activates MAP kinase-kinase 1992 2026 2003 2014 1992 250 500 750 1000
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.

  1. Raf-1 activates MAP kinase-kinase
    1992 1.1k citations John Kyriakis, Harald App et al. Nature profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Harald App United States 15 2.0k 574 501 304 296 18 2.9k
A Levitzki Israel 21 1.8k 0.9× 1.1k 2.0× 202 0.4× 450 1.5× 285 1.0× 26 3.1k
Jiazhi Sun United States 23 2.2k 1.1× 1.2k 2.2× 308 0.6× 322 1.1× 355 1.2× 42 3.3k
Carlo M. Croce United States 22 2.4k 1.2× 607 1.1× 599 1.2× 604 2.0× 389 1.3× 31 3.6k
Jennifer L. Stamos United States 14 2.2k 1.1× 788 1.4× 566 1.1× 149 0.5× 210 0.7× 17 3.3k
Frank D. Böhmer Germany 25 2.2k 1.1× 619 1.1× 251 0.5× 825 2.7× 310 1.0× 47 3.2k
Joe W. Ramos United States 27 1.8k 0.9× 536 0.9× 298 0.6× 274 0.9× 283 1.0× 67 2.7k
Thelma S. Angeles United States 29 1.5k 0.7× 616 1.1× 633 1.3× 195 0.6× 212 0.7× 75 2.6k
Jiing‐Dwan Lee United States 21 2.1k 1.1× 472 0.8× 141 0.3× 230 0.8× 303 1.0× 26 2.7k
Peter D. Davis United Kingdom 19 1.2k 0.6× 299 0.5× 554 1.1× 162 0.5× 244 0.8× 39 2.0k
Michelle A. Blaskovich United States 27 1.9k 0.9× 1.4k 2.4× 454 0.9× 545 1.8× 360 1.2× 44 3.3k

Countries citing papers authored by Harald App

Since Specialization
Citations

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

Fields of papers citing papers by Harald App

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Harald App

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

All Works

18 of 18 papers shown
1.
Alvi, Khisal A., et al.. (1999). Asterriquinones Produced by Aspergillus candidus Inhibit Binding of the Grb-2 Adapter to Phosphorylated EGF Receptor Tyrosine Kinase.. The Journal of Antibiotics. 52(3). 215–223. 24 indexed citations
2.
Harris, Georgianna, et al.. (1999). A One-Pot, Two-Step Synthesis of Tetrahydro Asterriquinone E. Organic Letters. 1(3). 431–434. 34 indexed citations
3.
Harris, Georgianna, et al.. (1999). ChemInform Abstract: A One‐Pot, Two‐Step Synthesis of Tetrahydro Asterriquinone E.. ChemInform. 30(46). 2 indexed citations
4.
Sun, Li, Ngoc Quang Tran, Flora Tang, et al.. (1998). Synthesis and Biological Evaluations of 3-Substituted Indolin-2-ones:  A Novel Class of Tyrosine Kinase Inhibitors That Exhibit Selectivity toward Particular Receptor Tyrosine Kinases. Journal of Medicinal Chemistry. 41(14). 2588–2603. 428 indexed citations
5.
Gazit, Aviv, et al.. (1996). Tyrphostins IV—Highly potent inhibitors of EGF receptor kinase. Structure-activity relationship study of 4-anilidoquinazolines. Bioorganic & Medicinal Chemistry. 4(8). 1203–1207. 46 indexed citations
6.
McMahon, Gerald, Harald App, Randall Schreck, et al.. (1996). Flk-1 as a target for tumor growth inhibition.. PubMed. 56(15). 3540–5. 279 indexed citations
7.
Gazit, Aviv, Harald App, Gerald McMahon, et al.. (1996). Tyrphostins. 5. Potent Inhibitors of Platelet-Derived Growth Factor Receptor Tyrosine Kinase:  Structure−Activity Relationships in Quinoxalines, Quinolines, and Indole Tyrphostins. Journal of Medicinal Chemistry. 39(11). 2170–2177. 207 indexed citations
8.
Powell, Thomas, Randall Schreck, Audie Rice, et al.. (1995). A Tumor-Derived Protein which Provides T-Cell Costimulation through Accessory Cell Activation. Journal of Immunotherapy. 17(4). 209–221. 49 indexed citations
9.
Cuadrado, Antonio, Joseph T. Bruder, Mohammad A. Heidaran, et al.. (1993). H-ras and raf-1 cooperate in transformation of NIH3T3 fibroblasts.. PubMed. 8(9). 2443–8. 31 indexed citations
10.
Kyriakis, John, Harald App, Xianfeng Zhang, et al.. (1992). Raf-1 activates MAP kinase-kinase. Nature. 358(6385). 417–421. 1117 indexed citations breakdown →
11.
Troppmair, Jakob, Joseph T. Bruder, Harald App, et al.. (1992). Ras controls coupling of growth factor receptors and protein kinase C in the membrane to Raf-1 and B-Raf protein serine kinases in the cytosol.. PubMed. 7(9). 1867–73. 102 indexed citations
12.
App, Harald, Ronen Hazan, Asher Zilberstein, et al.. (1991). Epidermal Growth Factor (EGF) Stimulates Association and Kinase Activity of Raf-1 with the EGF Receptor. Molecular and Cellular Biology. 11(2). 913–919. 6 indexed citations
13.
App, Harald, Ronen Hazan, Asher Zilberstein, et al.. (1991). Epidermal growth factor (EGF) stimulates association and kinase activity of Raf-1 with the EGF receptor.. Molecular and Cellular Biology. 11(2). 913–919. 104 indexed citations
14.
Turner, Benjamin L., Ulf R. Rapp, Harald App, et al.. (1991). Interleukin 2 induces tyrosine phosphorylation and activation of p72-74 Raf-1 kinase in a T-cell line.. Proceedings of the National Academy of Sciences. 88(4). 1227–1231. 145 indexed citations
15.
Baccarini, Manuela, David M. Sabatini, Harald App, Ulf R. Rapp, & E. Richard Stanley. (1990). Colony stimulating factor-1 (CSF-1) stimulates temperature dependent phosphorylation and activation of the RAF-1 proto-oncogene product.. The EMBO Journal. 9(11). 3649–3657. 108 indexed citations
16.
Blackshear, Perry J., D.M. Haupt, Harald App, & Ulf R. Rapp. (1990). Insulin activates the Raf-1 protein kinase.. Journal of Biological Chemistry. 265(21). 12131–12134. 89 indexed citations
17.
App, Harald & Helmut Holzer. (1989). Purification and Characterization of Neutral Trehalase from the Yeast ABYS1 Mutant. Journal of Biological Chemistry. 264(29). 17583–17588. 89 indexed citations
18.
App, Harald & Helmut Holzer. (1985). Control of yeast neutral trehalase by distinct polyphosphates and ribonucleic acid. European Food Research and Technology. 181(4). 276–282. 6 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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