Umar Mahmood

21.6k total citations · 5 hit papers
215 papers, 12.5k citations indexed

About

Umar Mahmood is a scholar working on Radiology, Nuclear Medicine and Imaging, Oncology and Molecular Biology. According to data from OpenAlex, Umar Mahmood has authored 215 papers receiving a total of 12.5k indexed citations (citations by other indexed papers that have themselves been cited), including 75 papers in Radiology, Nuclear Medicine and Imaging, 64 papers in Oncology and 54 papers in Molecular Biology. Recurrent topics in Umar Mahmood's work include Medical Imaging Techniques and Applications (29 papers), Nanoplatforms for cancer theranostics (24 papers) and Cancer, Hypoxia, and Metabolism (16 papers). Umar Mahmood is often cited by papers focused on Medical Imaging Techniques and Applications (29 papers), Nanoplatforms for cancer theranostics (24 papers) and Cancer, Hypoxia, and Metabolism (16 papers). Umar Mahmood collaborates with scholars based in United States, India and Italy. Umar Mahmood's co-authors include Ralph Weissleder, Ching‐Hsuan Tung, Alexei Bogdanov, Lee Josephson, Sebastian Bredow, Moritz F. Kircher, Herlen Alencar, Pedram Heidari, Anna Moore and Helene Benveniste and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of Biological Chemistry and Circulation.

In The Last Decade

Umar Mahmood

210 papers receiving 12.2k citations

Hit Papers

5 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.

In vivo imaging of tumors with protease-activated near-infrared fluorescent probes

1999 1.3k citations Ralph Weissleder, Umar Mahmood et al. profile →
Molecular Imaging

2001 1.0k citations Ralph Weissleder, Umar Mahmood Radiology profile →
In vivo magnetic resonance imaging of transgene expression

2000 624 citations Ralph Weissleder, Umar Mahmood et al. profile →
Arthritis Critically Dependent on Innate Immune System Players

2002 563 citations Umar Mahmood, Ralph Weissleder et al. profile →
Bile Acid and Inflammation Activate Gastric Cardia Stem Cells in a Mouse Model of Barrett-Like Metaplasia

2012 357 citations Umar Mahmood, José Luiz de Figueiredo et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Umar Mahmood United States	49	3.9k	3.6k	3.3k	2.5k	1.6k	215	12.5k
Pat Zanzonico United States	56	2.9k 0.7×	2.3k 0.6×	4.7k 1.4×	2.2k 0.9×	1.9k 1.2×	269	11.6k
Kai Chen China	63	6.1k 1.5×	4.2k 1.2×	2.7k 0.8×	2.5k 1.0×	1.4k 0.9×	436	15.9k
Zibo Li United States	60	3.6k 0.9×	2.8k 0.8×	3.3k 1.0×	2.0k 0.8×	1.3k 0.8×	330	11.3k
Jan Grimm United States	48	2.8k 0.7×	3.1k 0.9×	1.9k 0.6×	1.4k 0.6×	1.6k 1.0×	139	9.0k
Juri G. Gelovani United States	59	5.1k 1.3×	2.2k 0.6×	2.3k 0.7×	2.3k 0.9×	912 0.6×	247	11.3k
Kit S. Lam United States	68	10.8k 2.7×	3.7k 1.0×	3.5k 1.1×	2.1k 0.8×	840 0.5×	404	18.9k
Željko Vujašković United States	56	2.9k 0.7×	2.4k 0.7×	3.0k 0.9×	1.4k 0.6×	2.1k 1.3×	169	9.2k
Alnawaz Rehemtulla United States	65	5.1k 1.3×	1.4k 0.4×	4.0k 1.2×	2.2k 0.9×	1.9k 1.2×	232	13.1k
Alexander L. Vahrmeijer Netherlands	57	1.9k 0.5×	5.2k 1.5×	1.9k 0.6×	3.3k 1.3×	3.4k 2.1×	327	12.2k
Zaver M. Bhujwalla United States	59	6.8k 1.7×	2.1k 0.6×	4.3k 1.3×	2.5k 1.0×	1.3k 0.8×	271	15.2k

Countries citing papers authored by Umar Mahmood

Since Specialization

Citations

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

Fields of papers citing papers by Umar Mahmood

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Umar Mahmood

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

All Works

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20 of 20 papers shown

Mahmood, Umar, et al.. (2025). Granzyme B PET Imaging Enables Early Assessment of Immunotherapy Response in a Humanized Melanoma Mouse Model. Pharmaceuticals. 18(9). 1309–1309. 1 indexed citations

Edmonds, Christine E., Brian N. Dontchos, Gary Wang, et al.. (2024). A prospective study of HER3 expression pre and post neoadjuvant therapy of different breast cancer subtypes: implications for HER3 imaging therapy guidance. Breast Cancer Research. 26(1). 107–107. 2 indexed citations

Lee, Jeong Hyun, Vishal M. Gohil, Pedram Heidari, et al.. (2024). Mechanism of Action and Translational Potential of ( S )-Meclizine in Preemptive Prophylaxis Against Stroke. Stroke. 55(5). 1370–1380.

Monfared, Yousef Khazaei, Pedram Heidari, Samuel J. Klempner, et al.. (2023). DNA Damage by Radiopharmaceuticals and Mechanisms of Cellular Repair. Pharmaceutics. 15(12). 2761–2761. 20 indexed citations

Heidari, Pedram, et al.. (2023). Advantages of a Photodiode Detector Endoscopy System in Fluorescence-Guided Percutaneous Liver Biopsies. SHILAP Revista de lepidopterología. 4(2). 340–350. 1 indexed citations

Som, Avik, Jan‐Georg Rosenboom, Eric X. Chen, et al.. (2023). Percutaneous Intratumoral Immunoadjuvant Gel Increases the Abscopal Effect of Cryoablation for Checkpoint Inhibitor Resistant Cancer. Advanced Healthcare Materials. 13(6). e2301848–e2301848. 9 indexed citations

Ferreira, Carolina A., et al.. (2022). Immune Checkpoint Inhibitor-Mediated Cancer Theranostics with Radiolabeled Anti-Granzyme B Peptide. Pharmaceutics. 14(7). 1460–1460. 10 indexed citations

Ferreira, Carolina A., Pedram Heidari, Meghan E. Sise, et al.. (2021). Non-invasive Detection of Immunotherapy-Induced Adverse Events. Clinical Cancer Research. 27(19). 5353–5364. 1 indexed citations

Tan, Bien Soo, N. Reed Dunnick, Afshin Gangi, et al.. (2020). RSNA International Trends: A Global Perspective on the COVID-19 Pandemic and Radiology in Late 2020. Radiology. 299(1). E193–E203. 23 indexed citations

10.

Silva, Claudio, et al.. (2020). RSNA Committee on International Radiology Education: 25 Years of Global Education Outreach. Radiographics. 40(7). 1938–1952. 6 indexed citations

11.

Larimer, Benjamin M., et al.. (2018). The Effectiveness of Checkpoint Inhibitor Combinations and Administration Timing Can Be Measured by Granzyme B PET Imaging. Clinical Cancer Research. 25(4). 1196–1205. 93 indexed citations

12.

Larimer, Benjamin M., Eric Wehrenberg-Klee, Frank Dubois, et al.. (2017). Granzyme B PET Imaging as a Predictive Biomarker of Immunotherapy Response. Cancer Research. 77(9). 2318–2327. 240 indexed citations

13.

Kuruppu, Darshini, Anna‐Liisa Brownell, Khalid Shah, Umar Mahmood, & Kenneth K. Tanabe. (2014). Molecular Imaging with Bioluminescence and PET Reveals Viral Oncolysis Kinetics and Tumor Viability. Cancer Research. 74(15). 4111–4121. 10 indexed citations

14.

Heidari, Pedram, Eric Wehrenberg-Klee, Peiman Habibollahi, et al.. (2013). Free Somatostatin Receptor Fraction Predicts the Antiproliferative Effect of Octreotide in a Neuroendocrine Tumor Model: Implications for Dose Optimization. Cancer Research. 73(23). 6865–6873. 19 indexed citations

15.

Scope, Alon, et al.. (2010). In vivo reflectance confocal microscopy of shave biopsy wounds: feasibility of intraoperative mapping of cancer margins. British Journal of Dermatology. 163(6). 1218–1228. 43 indexed citations

16.

Chan, Andrew T., Yoshifumi Baba, Kaori Shima, et al.. (2010). Cathepsin B Expression and Survival in Colon Cancer: Implications for Molecular Detection of Neoplasia. Cancer Epidemiology Biomarkers & Prevention. 19(11). 2777–2785. 48 indexed citations

17.

Arwert, Esther N., Shawn Hingtgen, José Luiz de Figueiredo, et al.. (2007). Visualizing the Dynamics of EGFR Activity and Antiglioma Therapies In vivo. Cancer Research. 67(15). 7335–7342. 32 indexed citations

18.

Wu, Hsin-Jung, Heloisa Sawaya, Bryce A. Binstadt, et al.. (2007). Inflammatory arthritis can be reined in by CpG-induced DC–NK cell cross talk. The Journal of Experimental Medicine. 204(8). 1911–1922. 83 indexed citations

19.

Figueiredo, Jose‐Luiz, Herlen Alencar, Ralph Weissleder, & Umar Mahmood. (2005). Near infrared thoracoscopy of tumoral protease activity for improved detection of peripheral lung cancer. International Journal of Cancer. 118(11). 2672–2677. 45 indexed citations

20.

Koutcher, Jason A., Alan Alfieri, M. Devitt, et al.. (1992). Quantitative changes in tumor metabolism, partial pressure of oxygen, and radiobiological oxygenation status postradiation.. PubMed. 52(17). 4620–7. 58 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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