Alejandro J. Román

8.1k total citations · 1 hit paper
93 papers, 5.8k citations indexed

About

Alejandro J. Román is a scholar working on Molecular Biology, Ophthalmology and Cellular and Molecular Neuroscience. According to data from OpenAlex, Alejandro J. Román has authored 93 papers receiving a total of 5.8k indexed citations (citations by other indexed papers that have themselves been cited), including 92 papers in Molecular Biology, 66 papers in Ophthalmology and 31 papers in Cellular and Molecular Neuroscience. Recurrent topics in Alejandro J. Román's work include Retinal Development and Disorders (89 papers), Retinal Diseases and Treatments (62 papers) and Photoreceptor and optogenetics research (30 papers). Alejandro J. Román is often cited by papers focused on Retinal Development and Disorders (89 papers), Retinal Diseases and Treatments (62 papers) and Photoreceptor and optogenetics research (30 papers). Alejandro J. Román collaborates with scholars based in United States, Canada and United Kingdom. Alejandro J. Román's co-authors include Samuel G. Jacobson, Artur V. Cideciyan, Alexander Sumaroka, Sharon Schwartz, Tomás S. Alemán, Elizabeth A. M. Windsor, William W. Hauswirth, Edwin M. Stone, Elise Héon and Małgorzata Świder and has published in prestigious journals such as New England Journal of Medicine, Proceedings of the National Academy of Sciences and The Lancet.

In The Last Decade

Alejandro J. Román

92 papers receiving 5.7k 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.

Human gene therapy for RPE65 isomerase deficiency activates the retinoid cycle of vision but with slow rod kinetics

2008 543 citations Artur V. Cideciyan, Tomás S. Alemán et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Alejandro J. Román United States	42	5.4k	3.0k	1.4k	1.1k	732	93	5.8k
Alexander Sumaroka United States	46	6.0k 1.1×	3.5k 1.2×	1.6k 1.1×	1.2k 1.1×	909 1.2×	103	6.5k
Sanford L. Boye United States	46	6.5k 1.2×	2.4k 0.8×	1.6k 1.1×	2.5k 2.2×	685 0.9×	158	7.4k
Robert K. Koenekoop Canada	39	4.5k 0.8×	2.4k 0.8×	748 0.5×	1.3k 1.2×	636 0.9×	119	5.2k
Steven Nusinowitz United States	38	4.1k 0.8×	2.2k 0.7×	1.3k 0.9×	417 0.4×	823 1.1×	99	5.2k
Susanne Kohl Germany	39	4.2k 0.8×	2.4k 0.8×	926 0.6×	719 0.7×	461 0.6×	177	4.9k
Ronald A. Bush United States	42	4.7k 0.9×	1.8k 0.6×	2.0k 1.4×	545 0.5×	893 1.2×	76	5.4k
Elise Héon Canada	44	5.1k 0.9×	3.9k 1.3×	775 0.5×	1.7k 1.5×	1.5k 2.1×	144	7.3k
Shalesh Kaushal United States	31	4.1k 0.8×	1.7k 0.6×	1.2k 0.8×	1.1k 1.0×	649 0.9×	46	4.8k
Rob W.J. Collin Netherlands	38	4.5k 0.8×	1.8k 0.6×	758 0.5×	986 0.9×	560 0.8×	138	5.1k
Mark E. Pennesi United States	37	3.3k 0.6×	2.9k 1.0×	796 0.6×	503 0.5×	1.4k 2.0×	168	5.1k

Countries citing papers authored by Alejandro J. Román

Since Specialization

Citations

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

Fields of papers citing papers by Alejandro J. Román

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alejandro J. Román. 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 Alejandro J. Román. The network helps show where Alejandro J. Román may publish in the future.

Co-authorship network of co-authors of Alejandro J. Román

This figure shows the co-authorship network connecting the top 25 collaborators of Alejandro J. Román. A scholar is included among the top collaborators of Alejandro J. Román 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 Alejandro J. Román. Alejandro J. Román 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

Cideciyan, Artur V., Hannelore Neuhauser, Alejandro J. Román, & Tomás S. Alemán. (2025). Location and Identity of Photoreceptors Contributing to the Full-Field Stimulus Test (FST). Investigative Ophthalmology & Visual Science. 66(13). 46–46.

Cideciyan, Artur V., Alejandro J. Román, Alexander Sumaroka, et al.. (2024). Inherited Retinal Degeneration Caused by Dehydrodolichyl Diphosphate Synthase Mutation–Effect of an ALG6 Modifier Variant. International Journal of Molecular Sciences. 25(2). 1004–1004. 2 indexed citations

Cideciyan, Artur V., Alejandro J. Román, Raymond L. Warner, et al.. (2024). Evaluation of Retinal Structure and Visual Function in Blue Cone Monochromacy to Develop Clinical Endpoints for L-opsin Gene Therapy. International Journal of Molecular Sciences. 25(19). 10639–10639. 1 indexed citations

Yang, Paul, Allen C. Ho, Andreas Lauer, et al.. (2024). Safety and efficacy of ATSN-101 in patients with Leber congenital amaurosis caused by biallelic mutations in GUCY2D: a phase 1/2, multicentre, open-label, unilateral dose escalation study. The Lancet. 404(10456). 962–970. 10 indexed citations

Román, Alejandro J., Alexander Sumaroka, Chloë M. Stanton, et al.. (2023). Treatment Strategy With Gene Editing for Late-Onset Retinal Degeneration Caused by a Founder Variant in C1QTNF5. Investigative Ophthalmology & Visual Science. 64(15). 33–33. 1 indexed citations

Jacobson, Samuel G., Artur V. Cideciyan, Allen C. Ho, et al.. (2022). Night vision restored in days after decades of congenital blindness. iScience. 25(10). 105274–105274. 21 indexed citations

Román, Alejandro J., et al.. (2022). Mobility test to assess functional vision in dark-adapted patients with Leber congenital amaurosis. BMC Ophthalmology. 22(1). 266–266. 8 indexed citations

Jacobson, Samuel G., Artur V. Cideciyan, Allen C. Ho, et al.. (2021). Safety and improved efficacy signals following gene therapy in childhood blindness caused by GUCY2D mutations. iScience. 24(5). 102409–102409. 28 indexed citations

Garafalo, Alexandra V., Rebecca Sheplock, Alexander Sumaroka, et al.. (2021). Childhood-onset genetic cone-rod photoreceptor diseases and underlying pathobiology. EBioMedicine. 63. 103200–103200. 5 indexed citations

10.

Román, Alejandro J., et al.. (2021). Full-field stimulus testing: Role in the clinic and as an outcome measure in clinical trials of severe childhood retinal disease. Progress in Retinal and Eye Research. 87. 101000–101000. 40 indexed citations

11.

Aguirre, Geoffrey K., Omar H. Butt, Ritobrato Datta, et al.. (2017). Postretinal Structure and Function in Severe Congenital Photoreceptor Blindness Caused by Mutations in the GUCY2D Gene. Investigative Ophthalmology & Visual Science. 58(2). 959–959. 12 indexed citations

12.

Charng, Jason, Samuel G. Jacobson, Elise Héon, et al.. (2017). Human Melanopic Pupillary Responses Isolated from Outer Retinal Photoreceptor Input in LCA Patients with Severe Vision Loss. Investigative Ophthalmology & Visual Science. 58(8). 4135–4135. 1 indexed citations

13.

Jacobson, Samuel G., Artur V. Cideciyan, Alexander Sumaroka, et al.. (2017). Outcome Measures for Clinical Trials of Leber Congenital Amaurosis Caused by the Intronic Mutation in the CEP290 Gene. Investigative Ophthalmology & Visual Science. 58(5). 2609–2609. 44 indexed citations

14.

Jacobson, Samuel G., Alexander Sumaroka, Alejandro J. Román, et al.. (2016). Complexity of the Class B Phenotype in Autosomal Dominant Retinitis Pigmentosa Due to Rhodopsin Mutations. Investigative Ophthalmology & Visual Science. 57(11). 4847–4847. 26 indexed citations

15.

Zelinger, Lina, Artur V. Cideciyan, Susanne Kohl, et al.. (2015). Genetics and Disease Expression in the CNGA3 Form of Achromatopsia. Ophthalmology. 122(5). 997–1007. 53 indexed citations

16.

Román, Alejandro J., et al.. (2015). Outcome measure for the treatment of cone photoreceptor diseases: orientation to a scene with cone-only contrast. BMC Ophthalmology. 15(1). 98–98. 4 indexed citations

17.

Cideciyan, Artur V., Rivka A. Rachel, Tomás S. Alemán, et al.. (2011). Cone photoreceptors are the main targets for gene therapy of NPHP5 (IQCB1) or NPHP6 (CEP290) blindness: generation of an all-cone Nphp6 hypomorph mouse that mimics the human retinal ciliopathy. Human Molecular Genetics. 20(7). 1411–1423. 98 indexed citations

18.

Cideciyan, Artur V., Małgorzata Świder, Tomás S. Alemán, et al.. (2008). ABCA4 disease progression and a proposed strategy for gene therapy. Human Molecular Genetics. 18(5). 931–941. 149 indexed citations

19.

Komáromy, András M., Artur V. Cideciyan, David H. Brainard, et al.. (2007). Canine and Human Visual Cortex Intact and Responsive Despite Early Retinal Blindness from RPE65 Mutation. PLoS Medicine. 4(6). e230–e230. 96 indexed citations

20.

Jacobson, Samuel G., et al.. (1989). Interocular asymmetry of visual function in heterozygotes of X-linked retinitis pigmentosa. Experimental Eye Research. 48(5). 679–691. 102 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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