R.I. Sha’afi

11.9k total citations · 1 hit paper
182 papers, 10.3k citations indexed

About

R.I. Sha’afi is a scholar working on Molecular Biology, Physiology and Immunology. According to data from OpenAlex, R.I. Sha’afi has authored 182 papers receiving a total of 10.3k indexed citations (citations by other indexed papers that have themselves been cited), including 128 papers in Molecular Biology, 53 papers in Physiology and 52 papers in Immunology. Recurrent topics in R.I. Sha’afi's work include Neutrophil, Myeloperoxidase and Oxidative Mechanisms (38 papers), S100 Proteins and Annexins (35 papers) and Erythrocyte Function and Pathophysiology (34 papers). R.I. Sha’afi is often cited by papers focused on Neutrophil, Myeloperoxidase and Oxidative Mechanisms (38 papers), S100 Proteins and Annexins (35 papers) and Erythrocyte Function and Pathophysiology (34 papers). R.I. Sha’afi collaborates with scholars based in United States, Canada and Lebanon. R.I. Sha’afi's co-authors include Paul H. Naccache, Thaddeus F. Molski, Maurice B. Feinstein, P.H. Naccache, M Volpi, John R. White, Elmer L. Becker, E L Becker, H J Showell and A. K. Solomon and has published in prestigious journals such as Nature, Science and New England Journal of Medicine.

In The Last Decade

R.I. Sha’afi

182 papers receiving 9.5k 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.

Vascular Endothelial Cell Adherens Junction Assembly and Morphogenesis Induced by Sphingosine-1-Phosphate

1999 864 citations Nicolas Ancellin, R.I. Sha’afi et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
R.I. Sha’afi United States	59	6.5k	3.2k	2.2k	1.4k	1.1k	182	10.3k
Τοmoh Masaki Japan	68	6.2k 1.0×	4.3k 1.3×	5.8k 2.6×	1.2k 0.9×	722 0.6×	220	16.7k
Koiti Titani Japan	74	10.9k 1.7×	2.4k 0.7×	2.6k 1.2×	2.6k 1.8×	1.1k 1.0×	291	19.1k
Johan Thyberg Sweden	50	4.9k 0.8×	794 0.2×	2.5k 1.1×	1.8k 1.3×	945 0.8×	139	9.5k
Matthias P. Wymann Switzerland	58	9.0k 1.4×	3.9k 1.2×	1.4k 0.6×	1.7k 1.2×	960 0.8×	138	14.6k
Giampietro Ramponi Italy	51	9.0k 1.4×	1.4k 0.4×	3.3k 1.5×	1.5k 1.1×	308 0.3×	209	11.3k
Junji Yodoi Japan	62	7.2k 1.1×	3.6k 1.1×	1.3k 0.6×	813 0.6×	317 0.3×	209	12.1k
Kevin H. Mayo United States	55	6.0k 0.9×	3.1k 1.0×	1.4k 0.6×	656 0.5×	570 0.5×	283	10.5k
Michael J.O. Wakelam United Kingdom	64	10.5k 1.6×	1.6k 0.5×	2.0k 0.9×	2.5k 1.8×	487 0.4×	241	15.0k
Keizo Inoue Japan	53	6.5k 1.0×	1.4k 0.4×	1.4k 0.6×	1.7k 1.2×	203 0.2×	184	9.9k
Thomas L. Leto United States	57	4.7k 0.7×	5.7k 1.8×	3.9k 1.8×	877 0.6×	458 0.4×	124	11.0k

Countries citing papers authored by R.I. Sha’afi

Since Specialization

Citations

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

Fields of papers citing papers by R.I. Sha’afi

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by R.I. Sha’afi. 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 R.I. Sha’afi. The network helps show where R.I. Sha’afi may publish in the future.

Co-authorship network of co-authors of R.I. Sha’afi

This figure shows the co-authorship network connecting the top 25 collaborators of R.I. Sha’afi. A scholar is included among the top collaborators of R.I. Sha’afi 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 R.I. Sha’afi. R.I. Sha’afi 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

Thompson, Brian, Nicolas Ancellin, Salvador M. Fernandez, Timothy Hla, & R.I. Sha’afi. (2006). Protein kinase Cα and sphingosine 1-phosphate-dependent signaling in endothelial cell. Prostaglandins & Other Lipid Mediators. 80(1-2). 15–27. 9 indexed citations

Hajjar, J.J., Wajid Aziz, Thaddeus F. Molski, & R.I. Sha’afi. (1995). Stimulation of Intestinal Na+/H+ Exchange by Cell Volume Changes during Fasting and Refeeding in Rats. Experimental Biology and Medicine. 209(4). 354–359. 2 indexed citations

Sha’afi, R.I., et al.. (1995). A Mitogen-Activated Protein Kinase-Independent Pathway Involved in the Phosphorylation and Activation of Cytosolic Phospholipase A2 in Human Neutrophils Stimulated with Tumor Necrosis Factor-α. Biochemical and Biophysical Research Communications. 209(1). 271–278. 39 indexed citations

Cloutier, Michelle M., Linda Guernsey, & R.I. Sha’afi. (1994). Tannin Inhibits cAMP Pathways in Bovine Airway Epithelium. American Journal of Respiratory Cell and Molecular Biology. 10(1). 106–112. 7 indexed citations

Mège, Jean‐Louis, Julián Gómez-Cambronero, Thaddeus F. Molski, Elmer L. Becker, & R.I. Sha’afi. (1989). Effect of Granulocyte-Macrophage Colony-Stimulating Factor on Superoxide Production in Cytoplasts and Intact Human Neutrophils: Role of Protein Kinase and G-Proteins. Journal of Leukocyte Biology. 46(2). 161–168. 31 indexed citations

Gómez-Cambronero, Julián, M Durstin, Thaddeus F. Molski, Paul H. Naccache, & R.I. Sha’afi. (1989). Calcium is necessary but not sufficient for the platelet-activating factor release in human neutrophils stimulated by physiological stimuli. Journal of Biological Chemistry. 264(36). 12699–12704. 23 indexed citations

Kennedy, Scott P., R.I. Sha’afi, & Elmer L. Becker. (1988). Demonstration of inositol phosphate 5-phosphomonoesterase activity in rabbit neutrophils: Absence of a role for protein kinase C. Biochemical and Biophysical Research Communications. 155(1). 189–196. 5 indexed citations

Naccache, Paul H., Thaddeus F. Molski, P Borgeat, & R.I. Sha’afi. (1984). Mechanism of action of leukotriene B₄: Intracellular calcium redistribution in rabbit neutrophils. Journal of Cellular Physiology. 118(1). 13–18. 28 indexed citations

Sha’afi, R.I. & Salvador M. Fernandez. (1983). Fast methods in physical biochemistry and cell biology. Elsevier eBooks. 58 indexed citations

10.

Sha’afi, R.I., John R. White, Thaddeus F. Molski, et al.. (1983). Phorbol 12-myristate 13-acetate activates rabbit neutrophils without an apparent rise in the level of intracellular free calcium. Biochemical and Biophysical Research Communications. 114(2). 638–645. 191 indexed citations

11.

Sha’afi, R.I., et al.. (1981). Effect of arachidonic acid and the chemotactic factor F‐Met‐Leu‐Phe on cation transport in rabbit neutrophils. Journal of Cellular Physiology. 106(2). 215–223. 22 indexed citations

12.

Hyman, Paul E., et al.. (1979). Liddle syndrome. The Journal of Pediatrics. 95(1). 77–78. 2 indexed citations

13.

Naccache, Paul H., Henry J. Showell, Elmer L. Becker, & R.I. Sha’afi. (1979). Arachidonic acid induced degranulation of rabbit peritoneal neutrophils. Biochemical and Biophysical Research Communications. 87(1). 292–299. 84 indexed citations

14.

Abla, Adnan A., Adnan Mroueh, I.F. Durr, & R.I. Sha’afi. (1975). Active transport system in human spermatozoa.. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 20(2). 95–6. 9 indexed citations

15.

Sha’afi, R.I. & C.M. Gary-Bobo. (1973). Water and nonelectrolytes permeability in mammalian red cell membranes. Progress in Biophysics and Molecular Biology. 26. 103–146. 65 indexed citations

16.

Naccache, P.H. & R.I. Sha’afi. (1973). Patterns of Nonelectrolyte Permeability in Human Red Blood Cell Membrane. The Journal of General Physiology. 62(6). 714–736. 87 indexed citations

17.

DiPolo, Reinaldo, R.I. Sha’afi, & A. K. Solomon. (1970). Transport Parameters in a Porous Cellulose Acetate Membrane. The Journal of General Physiology. 55(1). 63–76. 12 indexed citations

18.

Seeman, Philip, R.I. Sha’afi, William R. Galey, & A. K. Solomon. (1970). The effect of anesthetics (chlorpromazine, ethanol) on erythrocyte permeability to water. Biochimica et Biophysica Acta (BBA) - Biomembranes. 211(2). 365–368. 26 indexed citations

19.

Rich, Gillian T., et al.. (1967). Permeability Studies on Red Cell Membranes of Dog, Cat, and Beef. The Journal of General Physiology. 50(10). 2391–2405. 71 indexed citations

20.

Sha’afi, R.I. & W.R. Lieb. (1967). Cation Movements in the High Sodium Erythrocyte of the Cat. The Journal of General Physiology. 50(6). 1751–1764. 29 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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