John G. Collard

11.3k citations

73 papers · 9.6k indexed · 2 hit papers · h-index 52

Impact in

Immunology and Allergy top 0.2%
- Cell Adhesion Molecules Research
Cell Biology top 0.1%
- Cellular Mechanics and Interactions
- Hippo pathway signaling and YAP/TAZ
- Cellular transport and secretion
- Microtubule and mitosis dynamics

Papers in

Immunology and Allergy 21
- Cell Adhesion Molecules Research 21
Cell Biology 36
- Cellular Mechanics and Interactions 27
- Hippo pathway signaling and YAP/TAZ 11

Co-authors: Rob A. van der Kammen Frits Michiels Jean Paul ten Klooster Sanne van Delft Jord C. Stam Sandra Iden Alexander E.E. Mertens Saskia I. J. Ellenbroek
Journals: Journal of Biological Chemistry (13 papers)The Journal of Cell Biology (11 papers)Journal of Cell Science (6 papers)Nature (3 papers)International Journal of Cancer (3 papers)
Partner nations: Netherlands Germany United States

In The Last Decade

John G. Collard

72 papers receiving 9.5k citations

Hit Papers

align trajectories log scale

Rac Downregulates Rho Activity 1999 · 739 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

1999 The Journal of Cell Biology
1998 The Journal of Cell Biology

Peers

Countries citing papers authored by John G. Collard

Since Specialization

Citations

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

Fields of papers citing papers by John G. Collard

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John G. Collard. 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 John G. Collard. The network helps show where John G. Collard may publish in the future.

Co-authorship network

The 25 scholars most cited alongside John G. Collard, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with John G. Collard Line = papers co-authored together John G. Collard links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Concepts of metastasis in flux: The stromal progression model Seminars in Cancer Biology ·Jonathan P. Sleeman, Gerhard Christofori, Riccardo Fodde, John G. Collard, Geert Berx, Charles Decraene, Curzio Rüegg	2012	70
2	Tumor Type-Dependent Function of the Par3 Polarity Protein in Skin Tumorigenesis Cancer Cell ·Sandra Iden, Wilhelmina E. van Riel, Ronny Schäfer, Ji‐Ying Song, Tomonori Hirose, Shigeo Ohno, John G. Collard	2012	94
3	Cell polarity proteins and cancer Seminars in Cancer Biology ·Saskia I. J. Ellenbroek, Sandra Iden, John G. Collard	2012	96
4	The Rac activator Tiam1 controls efficient T-cell trafficking and route of transendothelial migration Blood ·Audrey Gérard, Rob A. van der Kammen, Hans Janssen, Saskia I. J. Ellenbroek, John G. Collard	2009	76
5	Crosstalk between small GTPases and polarity proteins in cell polarization Nature Reviews Molecular Cell Biology ·Sandra Iden, John G. Collard	2008	337
6	The Par-Tiam1 Complex Controls Persistent Migration by Stabilizing Microtubule-Dependent Front-Rear Polarity Current Biology ·D. Michiel Pegtel, Saskia I. J. Ellenbroek, Alexander E.E. Mertens, Rob A. van der Kammen, Johan de Rooij, John G. Collard	2007	152
7	Tiam1 takes PARt in cell polarity Trends in Cell Biology ·Alexander E.E. Mertens, D. Michiel Pegtel, John G. Collard	2006	79
8	The Rac Activator Tiam1 Is a Wnt-responsive Gene That Modifies Intestinal Tumor Development Journal of Biological Chemistry ·Angeliki Malliri, Tomasz P. Rygiel, Rob A. van der Kammen, Ji-Ying Song, Rainer Engers, Adam Hurlstone, Hans Clevers, John G. Collard	2005	96
9	The Rac Exchange Factor Tiam1 Is Required for the Establishment and Maintenance of Cadherin-based Adhesions Journal of Biological Chemistry ·Angeliki Malliri, Saskia van Es, Stephan Huveneers, John G. Collard	2004	115
10	Activation ofgef-h1, a guanine nucleotide exchange factor for RhoA, by DNA transfection International Journal of Cancer ·Yan Feng-chu, Corinna Becke, John G. Collard, P.J. Bakker, Klaus Deters, Claus R. Bartram, Johannes W.G. Janssen	2004	19
11	Determination of the Activity of Rho-Like GTPases in Cells Humana Press eBooks ·Angeliki Malliri, Jean Paul ten Klooster, Cristina Olivo, John G. Collard	2003	12
12	Role of Rho-family proteins in cell adhesion and cancer Current Opinion in Cell Biology ·Angeliki Malliri, John G. Collard	2003	133
13	Rac Activation by Lysophosphatidic Acid LPA1Receptors through the Guanine Nucleotide Exchange Factor Tiam1 Journal of Biological Chemistry ·Frank N. van Leeuwen, Cristina Olivo, Kazuhumi Akisawa, Ben N. G. Giepmans, John G. Collard, Wouter H. Moolenaar	2002	150
14	Tiam1 mediates Ras activation of Rac by a PI(3)K-independent mechanism Nature Cell Biology ·John M. Lambert, Que T. Lambert, Gary W. Reuther, Angeliki Malliri, David P. Siderovski, John Sondek, John G. Collard, Channing J. Der	2002	258
15	Differential effect of simvastatin on various signal transduction intermediates in cultured human smooth muscle cells11Abbreviations: SMC, smooth muscle cells; S, simvastatin; ERK1/2, extracellular-regulated kinase 1/2; SAPK, stress-activated protein kinase; PDGF, platelet-derived growth factor; PMA, phorbol myristil acetate; POD, peroxydase; MAPK, mitogen-activated protein kinase; TBS, Tris-buffered saline; FPP, farnesyl pyrophosphate; GGPP, geranylgeranyl pyrophosphate; Mev, mevalonic acid lactone, LPA, lysophosphatidic acid; PKC, protein kinase C; GST, glutathione S-transferase; and PAK-CD, p21-activated kinase CRIB domain. Biochemical Pharmacology ·Pascale Nègre‐Aminou, Bababunmi K. Fashola, Rick E.W. van Leeuwen, John G. Collard, Louis Cohen	2001	26
16	Rac Affects Invasion of Human Renal Cell Carcinomas by Up-regulating Tissue Inhibitor of Metalloproteinases (TIMP)-1 and TIMP-2 Expression Journal of Biological Chemistry ·Rainer Engers, Erik Springer, Frits Michiels, John G. Collard, Helmut E. Gabbert	2001	92
17	Activation of RhoA by Thrombin in Endothelial Hyperpermeability Circulation Research ·Geerten P. van Nieuw Amerongen, Sanne van Delft, Mario A. Vermeer, John G. Collard, Victor W.M. van Hinsbergh	2000	351
18	Rho-like GTPases in tumor cell invasion Methods in enzymology on CD-ROM/Methods in enzymology ·周锡浈潘兵宏, Rob A. van der Kammen, Jean Paul ten Klooster, John G. Collard	2000	28
19	Lysophosphatidic Acid Induces Threonine Phosphorylation of Tiam1 in Swiss 3T3 Fibroblasts via Activation of Protein Kinase C Journal of Biological Chemistry ·Ian N. Fleming, Adam Smith, John G. Collard, John H. Exton	1997	77
20	A role for Rac in Tiaml-induced membrane ruffling and invasion Nature ·Frits Michiels, Gaston Habets, Jord C. Stam, Rob A. van der Kammen, John G. Collard	1995	486

About John G. Collard

John G. Collard is a scholar working on Immunology and Allergy, Cell Biology, Molecular Biology, Genetics and Immunology, having authored 73 papers that have together received 9.6k indexed citations. Recurring topics across this work include Protein Kinase Regulation and GTPase Signaling (37 papers), Cellular Mechanics and Interactions (27 papers), Cell Adhesion Molecules Research (21 papers), Wnt/β-catenin signaling in development and cancer (18 papers), Hippo pathway signaling and YAP/TAZ (11 papers), PI3K/AKT/mTOR signaling in cancer (6 papers), Coagulation, Bradykinin, Polyphosphates, and Angioedema (6 papers) and Melanoma and MAPK Pathways (5 papers). The work is most often cited by research in Immunology and Allergy (1.7k citations), Cell Biology (4.0k citations), Molecular Biology (6.9k citations), Cancer Research (740 citations) and Oncology (1.3k citations). John G. Collard has collaborated with scholars based in Netherlands, Germany and United States. Frequent co-authors include Rob A. van der Kammen, Frits Michiels, Jean Paul ten Klooster, Sanne van Delft, Jord C. Stam, Sandra Iden, Alexander E.E. Mertens, Saskia I. J. Ellenbroek, Angeliki Malliri and Peter L. Hordijk. Their work appears in journals such as Journal of Biological Chemistry, The Journal of Cell Biology, Journal of Cell Science, Nature and International Journal of Cancer.

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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