John A. Sayer

11.6k total citations · 1 hit paper
213 papers, 4.0k citations indexed

About

John A. Sayer is a scholar working on Molecular Biology, Genetics and Pediatrics, Perinatology and Child Health. According to data from OpenAlex, John A. Sayer has authored 213 papers receiving a total of 4.0k indexed citations (citations by other indexed papers that have themselves been cited), including 118 papers in Molecular Biology, 88 papers in Genetics and 49 papers in Pediatrics, Perinatology and Child Health. Recurrent topics in John A. Sayer's work include Genetic and Kidney Cyst Diseases (78 papers), Renal and related cancers (66 papers) and Kidney Stones and Urolithiasis Treatments (32 papers). John A. Sayer is often cited by papers focused on Genetic and Kidney Cyst Diseases (78 papers), Renal and related cancers (66 papers) and Kidney Stones and Urolithiasis Treatments (32 papers). John A. Sayer collaborates with scholars based in United Kingdom, United States and Germany. John A. Sayer's co-authors include Friedhelm Hildebrandt, Shalabh Srivastava, Nicholas L. Simmons, Elisa Molinari, Georgina Carr, Ann Marie Hynes, Lorraine Eley, Edgar A. Otto, Holly Mabillard and Roslyn Simms and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of Clinical Investigation and Nature Genetics.

In The Last Decade

John A. Sayer

194 papers receiving 4.0k 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.

European Association of Urology Guidelines on the Diagnosis and Treatment of Urolithiasis

2025 15 citations Andreas Skolarikos, Robert Geraghty et al. European Urology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
John A. Sayer United Kingdom	36	2.3k	1.7k	954	859	858	213	4.0k
Toshio Mochizuki Japan	27	2.2k 0.9×	2.3k 1.4×	412 0.4×	761 0.9×	278 0.3×	109	4.1k
Ruth Gershoni‐Baruch Israel	39	3.1k 1.3×	1.7k 1.0×	400 0.4×	607 0.7×	351 0.4×	145	6.1k
Riitta Herva Finland	39	3.4k 1.4×	1.3k 0.7×	1.3k 1.3×	1.2k 1.5×	743 0.9×	124	6.6k
Christine Rodda Australia	29	1.4k 0.6×	730 0.4×	408 0.4×	456 0.5×	268 0.3×	68	4.2k
J. M. Connor United Kingdom	38	1.5k 0.6×	1.3k 0.8×	1.5k 1.6×	695 0.8×	1.4k 1.6×	105	5.8k
Agnès Linglart France	41	2.1k 0.9×	2.4k 1.4×	443 0.5×	2.0k 2.3×	472 0.6×	243	6.0k
Gen Nishimura Japan	41	3.6k 1.5×	3.7k 2.2×	492 0.5×	113 0.1×	541 0.6×	344	7.1k
Maja Di Rocco Italy	34	1.5k 0.7×	860 0.5×	325 0.3×	163 0.2×	350 0.4×	147	3.6k
Reijo Norio Finland	36	1.1k 0.5×	1.8k 1.0×	271 0.3×	224 0.3×	401 0.5×	69	3.6k
Hope Northrup United States	38	2.0k 0.9×	1.5k 0.9×	493 0.5×	67 0.1×	875 1.0×	156	6.1k

Countries citing papers authored by John A. Sayer

Since Specialization

Citations

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

Fields of papers citing papers by John A. Sayer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of John A. Sayer

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

Sayer, John A., et al.. (2025). Renal ciliopathies. Current topics in developmental biology. 163. 229–305. 1 indexed citations

Hort, Yvonne, Chirag Patel, John A. Sayer, et al.. (2025). PKD1 5’UTR variants are a rare cause of disease in ADPKD and suggest a new focus for therapeutic development. European Journal of Human Genetics. 34(1). 61–69. 1 indexed citations

Skolarikos, Andreas, Robert Geraghty, Bhaskar Somani, et al.. (2025). European Association of Urology Guidelines on the Diagnosis and Treatment of Urolithiasis. European Urology. 88(1). 64–75. 15 indexed citations breakdown →

Bökenkamp, Arend, Gema Ariceta, Detlef Böckenhauer, et al.. (2025). Dent disease: clinical practice recommendations. Nephrology Dialysis Transplantation. 40(5). 852–864.

Olinger, Eric, Ian Wilson, Catharina M. C. Mels, et al.. (2024). UMOD Genotype and Determinants of Urinary Uromodulin in African Populations. Kidney International Reports. 9(12). 3477–3489.

Geraghty, Robert, Catherine Lovegrove, Sarah Howles, & John A. Sayer. (2024). Role of Genetic Testing in Kidney Stone Disease: A Narrative Review. Current Urology Reports. 25(12). 311–323. 5 indexed citations

Jamee, Mahnaz, et al.. (2023). Intestinal hypomagnesemia in an Iranian patient with a novel TRPM6 variant: a case report and review of the literature. CEN Case Reports. 12(4). 413–418. 2 indexed citations

Mead, Paul, et al.. (2023). Adult presentations of variable kidney and liver phenotypes secondary to biallelic PKHD1 pathogenic variants. 2(1). 2 indexed citations

Madani, Abbas, John A. Sayer, Zahra Chavoshzadeh, et al.. (2022). Sphingosine phosphate lyase insufficiency syndrome: a systematic review. World Journal of Pediatrics. 19(5). 425–437. 11 indexed citations

10.

Olinger, Eric, et al.. (2021). Update of genetic variants in CEP120 and CC2D2A—With an emphasis on genotype‐phenotype correlations, tissue specific transcripts and exploring mutation specific exon skipping therapies. Molecular Genetics & Genomic Medicine. 9(12). e1603–e1603. 12 indexed citations

11.

Molinari, Elisa, et al.. (2021). Cell preservation methods and its application to studying rare disease. Molecular and Cellular Probes. 56. 101694–101694. 5 indexed citations

12.

Olinger, Eric, Issa Al Salmi, Elisa Molinari, et al.. (2021). A discarded synonymous variant in NPHP3 explains nephronophthisis and congenital hepatic fibrosis in several families. Human Mutation. 42(10). 1221–1228. 9 indexed citations

13.

Ramsbottom, Simon A., et al.. (2020). Embryonic and foetal expression patterns of the ciliopathy gene CEP164. PLoS ONE. 15(1). e0221914–e0221914. 7 indexed citations

14.

Thelwall, Peter E., Katrina Wood, Gavin J. Clowry, et al.. (2019). Mouse genetics reveals Barttin as a genetic modifier of Joubert syndrome. Proceedings of the National Academy of Sciences. 117(2). 1113–1118. 20 indexed citations

15.

Frikstad, Kari‐Anne M., Elisa Molinari, Marianne Thoresen, et al.. (2019). A CEP104-CSPP1 Complex Is Required for Formation of Primary Cilia Competent in Hedgehog Signaling. Cell Reports. 28(7). 1907–1922.e6. 31 indexed citations

16.

Sayer, John A., et al.. (2017). Kidney Disease in Oman: a View of the Current and Future Landscapes.. PubMed. 11(4). 263–270. 16 indexed citations

17.

Darlow, John M., Rebecca Darlay, Mark G. Dobson, et al.. (2017). Genome-wide linkage and association study implicates the 10q26 region as a major genetic contributor to primary nonsyndromic vesicoureteric reflux. Scientific Reports. 7(1). 14595–14595. 11 indexed citations

18.

Connor, Thomas M., Simon Hoer, Andrew J. Mallett, et al.. (2017). Mutations in mitochondrial DNA causing tubulointerstitial kidney disease. PLoS Genetics. 13(3). e1006620–e1006620. 40 indexed citations

19.

Mencarelli, Maria Antonietta, Laurence Heidet, Helen Storey, et al.. (2015). Evidence of digenic inheritance in Alport syndrome. Journal of Medical Genetics. 52(3). 163–174. 107 indexed citations

20.

Simms, Renee, et al.. (2008). Emphysematous pyelonephritis leading to end-stage renal failure. Clinical Kidney Journal. 1(4). 264–265. 1 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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