S. P. A. Toledo

10.8k total citations · 1 hit paper
159 papers, 6.7k citations indexed

About

S. P. A. Toledo is a scholar working on Molecular Biology, Endocrinology, Diabetes and Metabolism and Radiology, Nuclear Medicine and Imaging. According to data from OpenAlex, S. P. A. Toledo has authored 159 papers receiving a total of 6.7k indexed citations (citations by other indexed papers that have themselves been cited), including 51 papers in Molecular Biology, 45 papers in Endocrinology, Diabetes and Metabolism and 38 papers in Radiology, Nuclear Medicine and Imaging. Recurrent topics in S. P. A. Toledo's work include Effects of Radiation Exposure (37 papers), Neuroendocrine Tumor Research Advances (25 papers) and Radiation Therapy and Dosimetry (22 papers). S. P. A. Toledo is often cited by papers focused on Effects of Radiation Exposure (37 papers), Neuroendocrine Tumor Research Advances (25 papers) and Radiation Therapy and Dosimetry (22 papers). S. P. A. Toledo collaborates with scholars based in Brazil, United States and Canada. S. P. A. Toledo's co-authors include Edouard I. Azzam, John B. Little, Rodrigo A. Toledo, Delmar Muniz Lourenço, Patricia L. M. Dahia, Douglas R. Spitz, C Y Hayashida, Mara Lorenzi, Dominic F. Montisano and Manuela Buonanno and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of Biological Chemistry and Journal of Clinical Investigation.

In The Last Decade

S. P. A. Toledo

157 papers receiving 6.5k 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.

Intercellular Communication Is Involved in the Bystander Regulation of Gene Expression in Human Cells Exposed to Very Low Fluences of Alpha Particles

1998 432 citations Edouard I. Azzam, S. P. A. Toledo et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
S. P. A. Toledo Brazil	44	2.4k	2.2k	1.7k	1.5k	1.1k	159	6.7k
Hiroshi Arai Japan	43	3.4k 1.4×	420 0.2×	742 0.4×	1.3k 0.9×	351 0.3×	227	9.2k
Nancy Carrasco United States	48	3.5k 1.5×	844 0.4×	4.4k 2.7×	439 0.3×	468 0.4×	100	8.5k
Andrew P. Levy Israel	50	4.6k 1.9×	394 0.2×	687 0.4×	884 0.6×	2.5k 2.2×	179	9.9k
Per‐Anders Abrahamsson Sweden	39	1.3k 0.6×	572 0.3×	622 0.4×	3.4k 2.3×	599 0.5×	111	5.5k
Robert C. Smallridge United States	49	2.5k 1.1×	316 0.1×	5.3k 3.2×	751 0.5×	724 0.7×	209	9.1k
Matthew D. Ringel United States	55	3.6k 1.5×	370 0.2×	5.1k 3.1×	612 0.4×	1.2k 1.1×	176	9.1k
Katsuya Maruyama Japan	39	1.4k 0.6×	645 0.3×	719 0.4×	654 0.4×	338 0.3×	190	4.9k
Peter C. Phillips∥ United States	49	3.0k 1.3×	427 0.2×	391 0.2×	1.2k 0.8×	661 0.6×	136	7.5k
Noboru Oriuchi Japan	48	2.1k 0.9×	2.2k 1.0×	284 0.2×	2.2k 1.5×	1.2k 1.1×	230	7.0k
Hirotsugu Uemura Japan	39	2.4k 1.0×	822 0.4×	460 0.3×	3.9k 2.6×	1.3k 1.2×	367	7.1k

Countries citing papers authored by S. P. A. Toledo

Since Specialization

Citations

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

Fields of papers citing papers by S. P. A. Toledo

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by S. P. A. Toledo. 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 S. P. A. Toledo. The network helps show where S. P. A. Toledo may publish in the future.

Co-authorship network of co-authors of S. P. A. Toledo

This figure shows the co-authorship network connecting the top 25 collaborators of S. P. A. Toledo. A scholar is included among the top collaborators of S. P. A. Toledo 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 S. P. A. Toledo. S. P. A. Toledo 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

Zhao, Ye, S. P. A. Toledo, Guohong Hu, Tom K. Hei, & Edouard I. Azzam. (2014). Connexins and cyclooxygenase-2 crosstalk in the expression of radiation-induced bystander effects. British Journal of Cancer. 111(1). 125–131. 30 indexed citations

Li, Min, Manuela Buonanno, Narongchai Autsavapromporn, et al.. (2013). Health Risks of Space Exploration: Targeted and Nontargeted Oxidative Injury by High-Charge and High-Energy Particles. Antioxidants and Redox Signaling. 20(9). 1501–1523. 42 indexed citations

Sekiya, Tomoko, et al.. (2012). RET haplotype, not linked to the C620R activating mutation, associated with Hirschsprung disease in a novel MEN2 family. Clinics. 67. 57–61. 2 indexed citations

Toledo, Rodrigo A., Simona Wagner, Flavia L. Coutinho, et al.. (2010). High Penetrance of Pheochromocytoma Associated with the Novel C634Y/Y791F Double Germline Mutation in the RET Protooncogene. The Journal of Clinical Endocrinology & Metabolism. 95(3). 1318–1327. 35 indexed citations

Tavares, Marcos Roberto, Pedro Michaluart, Fábio Luiz de Menezes Montenegro, et al.. (2008). Skip metastases in medullary thyroid carcinoma: A single-center experience. Surgery Today. 38(6). 499–504. 16 indexed citations

Azzam, Edouard I., S. P. A. Toledo, Badri N. Pandey, & Perumal Venkatachalam. (2007). Mechanisms underlying the expression and propagation of low dose/low fluence ionising radiation effects. International Journal of Low Radiation. 4(1). 61–61. 1 indexed citations

Azzam, Edouard I., S. P. A. Toledo, & John B. Little. (2003). Oxidative metabolism, gap junctions and the ionizing radiation-induced bystander effect. Oncogene. 22(45). 7050–7057. 274 indexed citations

Richter-Unruh, Annette, John W.M. Martens, Miriam Verhoef‐Post, et al.. (2002). Leydig cell hypoplasia: cases with new mutations, new polymorphisms and cases without mutations in the luteinizing hormone receptor gene. Clinical Endocrinology. 56(1). 103–112. 52 indexed citations

Aguiar, Ricardo C.T., et al.. (1996). Deletion analysis of the p16 tumour suppressor gene in phaeochromocytomas. Clinical Endocrinology. 45(1). 93–96. 1 indexed citations

10.

Abelin, N M A, et al.. (1994). Diagnosis of medullary carcinoma of the thyroid (mtc) using calcitonin (ct) policlonal radioimmunoassay: criteria for the normal values and pathological levels. Arquivos Brasileiros de Endocrinologia & Metabologia. 38. 2. 1 indexed citations

11.

Hayashida, C Y, et al.. (1992). [Polyglandular autoimmune type I syndrome with hypoparathyroidism, chronic mucocutaneous candidiasis and intestinal malabsorption].. PubMed. 45(1). 24–8. 1 indexed citations

12.

Bisi, Hélio, et al.. (1992). [Early detection of medullary thyroid carcinoma in multiple endocrine neoplasia type II].. PubMed. 45(3). 105–9. 5 indexed citations

13.

Toledo, S. P. A., et al.. (1989). Dinamica da secrecao de calcitonina em cultura de tecido de carcinoma medular de tireoide. 44(1). 1 indexed citations

14.

Toledo, S. P. A., et al.. (1989). [Dynamics of calcitonin secretion in tissue culture of medullary thyroid carcinoma].. PubMed. 44(1). 36–9. 1 indexed citations

15.

Toledo, S. P. A.. (1985). Carcinoma medular de tireoide. 40(5). 1 indexed citations

16.

Guillo, Lídia Andreu, S. P. A. Toledo, & Nelsón Durán. (1983). Attempted detection by fluorescence probes of DNA modifications produced by bioenergized triplet acetone. Photobiochemistry and photobiophysics.. 6(3). 177–186. 4 indexed citations

17.

Toledo, S. P. A., Arnaldo Zaha, & Nelsón Durán. (1982). DNA strand scission in E.coli by electronically excited state molecules generated by enzymatic systems. Biochemical and Biophysical Research Communications. 104(3). 990–995. 8 indexed citations

18.

Toledo, S. P. A., et al.. (1980). Oxidation of glutahione by peroxidase : hydrogen peroxide detection b4 a bio-energized method. Anais da Academia Brasileira de Ciências. 52(4). 691–693. 2 indexed citations

19.

Toledo, S. P. A., et al.. (1977). [Precocious puberty due to hypothalamic hamartoma].. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 23(3). 93–6. 4 indexed citations

20.

Toledo, S. P. A., et al.. (1969). A radiological and genetic investigation of acheiropody in a kindred including six cases.. PubMed. 17(1). 81–94. 13 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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