Loren Gragert

4.1k total citations · 1 hit paper
71 papers, 2.3k citations indexed

About

Loren Gragert is a scholar working on Immunology, Transplantation and Hematology. According to data from OpenAlex, Loren Gragert has authored 71 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 39 papers in Immunology, 27 papers in Transplantation and 25 papers in Hematology. Recurrent topics in Loren Gragert's work include T-cell and B-cell Immunology (35 papers), Renal Transplantation Outcomes and Treatments (27 papers) and Hematopoietic Stem Cell Transplantation (20 papers). Loren Gragert is often cited by papers focused on T-cell and B-cell Immunology (35 papers), Renal Transplantation Outcomes and Treatments (27 papers) and Hematopoietic Stem Cell Transplantation (20 papers). Loren Gragert collaborates with scholars based in United States, United Kingdom and Germany. Loren Gragert's co-authors include Martin Maiers, John L. Freeman, William Klitz, Abeer Madbouly, Stephen R. Spellman, Mary M. Horowitz, Dennis L. Confer, Eric Williams, Mary Eapen and J. Douglas Rizzo and has published in prestigious journals such as New England Journal of Medicine, Proceedings of the National Academy of Sciences and Journal of Clinical Oncology.

In The Last Decade

Loren Gragert

69 papers receiving 2.2k 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.

HLA Match Likelihoods for Hematopoietic Stem-Cell Grafts in the U.S. Registry

2014 690 citations Loren Gragert, John L. Freeman et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Loren Gragert United States	22	1.2k	1.0k	553	322	271	71	2.3k
Lee Ann Baxter‐Lowe United States	28	1.7k 1.4×	1.9k 1.9×	537 1.0×	296 0.9×	461 1.7×	90	3.2k
Eric Spierings Netherlands	28	1.3k 1.1×	571 0.6×	590 1.1×	269 0.8×	234 0.9×	99	2.2k
John L. Wagner United States	23	803 0.7×	1.1k 1.1×	172 0.3×	392 1.2×	447 1.6×	82	2.4k
David Senitzer United States	28	1.1k 0.9×	647 0.6×	232 0.4×	254 0.8×	295 1.1×	115	2.3k
Junichi Sugita Japan	25	677 0.6×	750 0.7×	197 0.4×	188 0.6×	465 1.7×	117	1.8k
Anajane G. Smith United States	29	2.2k 1.9×	1.5k 1.5×	332 0.6×	301 0.9×	343 1.3×	61	3.7k
Claudine Helg Switzerland	30	1.4k 1.2×	1.7k 1.7×	252 0.5×	226 0.7×	536 2.0×	65	2.9k
Koichi Kashiwase Japan	28	1.4k 1.2×	1.0k 1.0×	174 0.3×	284 0.9×	225 0.8×	71	2.2k
Machteld Oudshoorn Netherlands	34	2.7k 2.3×	2.9k 2.8×	858 1.6×	289 0.9×	398 1.5×	120	4.1k
Minoko Takanashi Japan	29	787 0.7×	1.7k 1.7×	143 0.3×	346 1.1×	510 1.9×	118	2.7k

Countries citing papers authored by Loren Gragert

Since Specialization

Citations

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

Fields of papers citing papers by Loren Gragert

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Loren Gragert

This figure shows the co-authorship network connecting the top 25 collaborators of Loren Gragert. A scholar is included among the top collaborators of Loren Gragert 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 Loren Gragert. Loren Gragert 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

Gentry, Sommer E., et al.. (2025). ABO-compatible Kidney Allocation with ABO-adjusted CPRA. American Journal of Transplantation. 25(1). S101–S101.

Gragert, Loren, Brendan J. Keating, Bonnie E. Lonze, et al.. (2024). Balancing equity and human leukocyte antigen matching in deceased-donor kidney allocation with eplet mismatch. American Journal of Transplantation. 25(6). 1226–1234. 3 indexed citations

Scorr, Laura, Diane J. Sutcliffe, Ashok Reddy Dinasarapu, et al.. (2024). Exploration of potential immune mechanisms in cervical dystonia. Parkinsonism & Related Disorders. 122. 106036–106036. 5 indexed citations

Maiers, Martin, et al.. (2023). P508 PY-ARD – A Swiss army knife of HLA assignments. Human Immunology. 84. 132–132. 2 indexed citations

Kaabinejadian, Saghar, Bjoern Peters, Carolina Barra, et al.. (2023). Machine learning reveals limited contribution of trans-only encoded variants to the HLA-DQ immunopeptidome. Communications Biology. 6(1). 442–442. 29 indexed citations

Mack, Steven J., Martin Maiers, Jill A. Hollenbach, et al.. (2023). Genotype List String 1.1: Extending the Genotype List String grammar for describing HLA and Killer‐cell Immunoglobulin‐like Receptor genotypes. HLA. 102(2). 206–212. 3 indexed citations

Kim, Jon Jin, Alexander Fichtner, Hannah C. Copley, et al.. (2023). Molecular HLA mismatching for prediction of primary humoral alloimmunity and graft function deterioration in paediatric kidney transplantation. Frontiers in Immunology. 14. 1092335–1092335. 11 indexed citations

Han, Jiho, Joshua A. Rushakoff, Yasbanoo Moayedi, et al.. (2023). HLA sensitization is associated with an increased risk of primary graft dysfunction after heart transplantation. The Journal of Heart and Lung Transplantation. 43(3). 387–393. 4 indexed citations

Rushakoff, Joshua A., Loren Gragert, Marcelo J. Pando, et al.. (2022). HLA Homozygosity and Likelihood of Sensitization in Kidney Transplant Candidates. Transplantation Direct. 8(5). e1312–e1312. 7 indexed citations

10.

Gragert, Loren, Matthew Kadatz, Darren Stewart, et al.. (2022). ABO-adjusted calculated panel reactive antibody (cPRA): A unified metric for immunologic compatibility in kidney transplantation. American Journal of Transplantation. 22(12). 3093–3100. 9 indexed citations

11.

Mayor, Neema P., Tao Wang, Stephanie J. Lee, et al.. (2021). Impact of Previously Unrecognized HLA Mismatches Using Ultrahigh Resolution Typing in Unrelated Donor Hematopoietic Cell Transplantation. Journal of Clinical Oncology. 39(21). 2397–2409. 27 indexed citations

12.

Maiers, Martin, et al.. (2019). GRIMM: GRaph IMputation and matching for HLA genotypes. Bioinformatics. 35(18). 3520–3523. 28 indexed citations

13.

Zhong, Charlie, Loren Gragert, Martin Maiers, et al.. (2019). The association between HLA and non-Hodgkin lymphoma subtypes, among a transplant-indicated population. Leukemia & lymphoma. 60(12). 2899–2908. 6 indexed citations

14.

Kransdorf, E., Marcelo J. Pando, Martin Maiers, et al.. (2018). Mapping molecular HLA typing data to UNOS antigen equivalents. Human Immunology. 79(11). 781–789. 14 indexed citations

15.

Gragert, Loren, et al.. (2016). Charting improvements in US registry HLA typing ambiguity using a typing resolution score. Human Immunology. 77(7). 542–549. 18 indexed citations

16.

Gragert, Loren, Abeer Madbouly, John L. Freeman, & Martin Maiers. (2013). Six-locus high resolution HLA haplotype frequencies derived from mixed-resolution DNA typing for the entire US donor registry. Human Immunology. 74(10). 1313–1320. 286 indexed citations

17.

Schneider, Joel, Michael Heuer, Abeer Madbouly, et al.. (2012). TOOLS FOR IMPLEMENTATION OF SILVER STANDARD PRINCIPLES FOR HLA TYPING. UCL Discovery (University College London). 1 indexed citations

18.

Maiers, Martin, Loren Gragert, Abeer Madbouly, et al.. (2012). 16^th IHIW: Global analysis of registry HLA haplotypes from 20 Million individuals: Report from the IHIW Registry Diversity Group. International Journal of Immunogenetics. 40(1). 66–71. 18 indexed citations

19.

Gragert, Loren, et al.. (2012). Measuring Ambiguity in HLA Typing Methods. PLoS ONE. 7(8). e43585–e43585. 20 indexed citations

20.

Howard, David H., David O. Meltzer, Craig Kollman, et al.. (2008). Use of Cost-Effectiveness Analysis to Determine Inventory Size for a National Cord Blood Bank. Medical Decision Making. 28(2). 243–253. 26 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.

Explore authors with similar magnitude of impact