Leonard Laster

5.1k total citations · 3 hit papers
55 papers, 3.9k citations indexed

About

Leonard Laster is a scholar working on Molecular Biology, Physiology and Biochemistry. According to data from OpenAlex, Leonard Laster has authored 55 papers receiving a total of 3.9k indexed citations (citations by other indexed papers that have themselves been cited), including 17 papers in Molecular Biology, 13 papers in Physiology and 13 papers in Biochemistry. Recurrent topics in Leonard Laster's work include Metabolism and Genetic Disorders (10 papers), Amino Acid Enzymes and Metabolism (7 papers) and Digestive system and related health (5 papers). Leonard Laster is often cited by papers focused on Metabolism and Genetic Disorders (10 papers), Amino Acid Enzymes and Metabolism (7 papers) and Digestive system and related health (5 papers). Leonard Laster collaborates with scholars based in United States, Poland and France. Leonard Laster's co-authors include S. Harvey Mudd, F. Irreverre, James D. Finkelstein, Andrew L. Warshaw, Andrew E. Gal, Erik Mårtensson, Roy M. Bradley, Roscoe O. Brady, J. Edwin Seegmiller and J. Edwin Seegmiller and has published in prestigious journals such as Nature, Science and New England Journal of Medicine.

In The Last Decade

Leonard Laster

54 papers receiving 3.4k 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.

Enzymatic Defect in Fabry's Disease

1967 827 citations Leonard Laster et al. New England Journal of Medicine profile →
Homocystinuria: An Enzymatic Defect

1964 387 citations S. Harvey Mudd, F. Irreverre et al. profile →
Transsulfuration in Mammals

1965 350 citations S. Harvey Mudd, F. Irreverre et al. Journal of Biological Chemistry profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Leonard Laster United States	29	1.3k	1.1k	1.1k	765	658	55	3.9k
C. E. Dent United Kingdom	42	1.2k 0.9×	760 0.7×	438 0.4×	894 1.2×	540 0.8×	107	5.2k
P. Kamoun France	33	1.3k 1.0×	1.2k 1.1×	624 0.6×	1.3k 1.8×	931 1.4×	144	3.9k
Vivian E. Shih United States	38	1.6k 1.3×	1.2k 1.1×	573 0.5×	2.0k 2.7×	761 1.2×	129	4.3k
J. Edwin Seegmiller United States	37	1.8k 1.4×	282 0.3×	302 0.3×	581 0.8×	630 1.0×	80	3.5k
David M. Danks Australia	39	2.1k 1.6×	318 0.3×	438 0.4×	1.2k 1.5×	270 0.4×	172	5.7k
Carlos L. Krumdieck United States	35	1.3k 1.0×	1.1k 1.0×	380 0.4×	285 0.4×	274 0.4×	79	3.7k
James D. Finkelstein United States	41	1.9k 1.5×	5.0k 4.6×	666 0.6×	2.0k 2.6×	1.5k 2.3×	59	7.4k
R. J. Pollitt United Kingdom	32	2.0k 1.6×	391 0.4×	748 0.7×	2.1k 2.7×	268 0.4×	158	3.9k
Diego Ingrosso Italy	33	1.3k 1.0×	1.2k 1.1×	459 0.4×	387 0.5×	566 0.9×	106	3.6k
Barry Shane United States	45	2.6k 2.1×	3.2k 2.9×	354 0.3×	1.1k 1.5×	532 0.8×	115	6.1k

Countries citing papers authored by Leonard Laster

Since Specialization

Citations

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

Fields of papers citing papers by Leonard Laster

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Leonard Laster

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

Lapey, Allen, John Kattwinkel, Paul A. di Sant' Agnese, & Leonard Laster. (1974). Steatorrhea and azotorrhea and their relation to growth and nutrition in adolescents and young adults with cystic fibrosis. The Journal of Pediatrics. 84(3). 328–334. 90 indexed citations

Falchuk, Z. Myron, William A. Edwards, & Leonard Laster. (1973). Effects of alpha-aminoisobutyric acid on urinary excretion of homocystine in patients with homocystinuria. Metabolism. 22(4). 605–610. 8 indexed citations

Lapey, Allen, John Kattwinkel, Paul A. di Sant' Agnese, & Leonard Laster. (1971). Herditary pancreatitis (HP) without amino-aciduria: Two new kindred. Pediatric Research. 5(8). 389–389. 6 indexed citations

Gardner, Jerry D., et al.. (1970). The Columnar Epithelial Cell of the Small Intestine: Digestion and Transport. New England Journal of Medicine. 283(23). 1264–1271. 17 indexed citations

Sallmann, L., Albert H. Gelderman, & Leonard Laster. (1969). Ocular histopathologic changes in a case of a-beta-lipoproteinemia (Bassen-Kornzweig syndrome). Documenta Ophthalmologica. 26(1). 451–460. 15 indexed citations

Heizer, William D. & Leonard Laster. (1969). Hydrolases in the mucosa of rat small intestine for phenylalanine-containing dipeptides. Biochimica et Biophysica Acta (BBA) - Enzymology. 185(2). 409–423. 27 indexed citations

Heizer, William D. & Leonard Laster. (1969). Peptide hydrolase activities of the mucosa of human small intestine. Journal of Clinical Investigation. 48(1). 210–228. 64 indexed citations

Irreverre, F., S. Harvey Mudd, William D. Heizer, & Leonard Laster. (1967). Sulfite oxidase deficiency: Studies of a patient with mental retardation, dislocated ocular lenses, and abnormal urinary excretion of S-sulfo-l-cysteine, sulfite, and thiosulfate. Biochemical Medicine. 1(2). 187–217. 123 indexed citations

Ockner, Robert K. & Leonard Laster. (1966). Biosynthesis of Δ7-cholesten-3Β-ol, Δ5,7-cholestadien-3Β-ol, and Δ5-cholesten-3Β-ol by guinea pig intestinal mucosa in vitro. Journal of Lipid Research. 7(6). 750–757. 19 indexed citations

10.

Gordon, Robert S., et al.. (1966). Protein-losing gastroenteropathy. Disease-a-Month. 12(8). 1–32. 4 indexed citations

11.

Matthews, D. M. & Leonard Laster. (1965). Competition for intestinal transport among five neutral amino acids. American Journal of Physiology-Legacy Content. 208(4). 601–606. 28 indexed citations

12.

Strittmatter, Philipp, Helen B. Burch, & Leonard Laster. (1965). The appearance of alkaline p- phosphatase, adenosine triphosphatase and adenosine diphosphatase activities in cilia of developing embryos of Spisula solidissima. Biochimica et Biophysica Acta (BBA) - General Subjects. 100(1). 304–306. 3 indexed citations

13.

Lutwak, Leo, Leonard Laster, Hillel J. Gitelman, et al.. (1964). Effects of High Dietary Calcium and Phosphorus on Calcium, Phosphorus, Nitrogen and Fat Metabolism in Children. American Journal of Clinical Nutrition. 14(2). 76–82. 35 indexed citations

14.

Laster, Leonard & Alberta Blair. (1963). An Intestinal Phosphorylase for Uric Acid Ribonucleoside. Journal of Biological Chemistry. 238(10). 3348–3357. 24 indexed citations

15.

Seegmiller, J. Edwin, Leonard Laster, & R. Rodney Howell. (1963). Biochemistry of Uric Acid and Its Relation to Gout. New England Journal of Medicine. 268(14). 764–773. 31 indexed citations

16.

Seegmiller, J. Edwin, Leonard Laster, & R. Rodney Howell. (1963). Biochemistry of Uric Acid and Its Relation to Gout. New England Journal of Medicine. 268(15). 821–827. 37 indexed citations

17.

Topper, Yale J., Leonard Laster, & Stanton Segal. (1962). Galactose Metabolism : Phenotypic Differences among Tissues of a Patient with Congenital Galactosæmia. Nature. 196(4858). 1006–1006. 18 indexed citations

18.

Laster, Leonard & Franz J. Ingelfinger. (1961). Intestinal Absorption — Aspects of Structure, Function and Disease of the Small-Intestine Mucosa. New England Journal of Medicine. 264(23). 1192–1200. 7 indexed citations

19.

Du, Bert N. La, Vincent G. Zannoni, Leonard Laster, & J. Edwin Seegmiller. (1958). THE NATURE OF THE DEFECT IN TYROSINE METABOLISM IN ALCAPTONURIA. Journal of Biological Chemistry. 230(1). 251–260. 266 indexed citations

20.

Laster, Leonard & Alex F. Muller. (1953). Uric acid production in a case of myeloid metaplasia associated with gouty arthritis, studied with N15-labeled glycine. The American Journal of Medicine. 15(6). 857–861. 31 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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