Ahmed Hashim

3.4k total citations · 1 hit paper
25 papers, 2.8k citations indexed

About

Ahmed Hashim is a scholar working on Periodontics, Molecular Biology and Immunology. According to data from OpenAlex, Ahmed Hashim has authored 25 papers receiving a total of 2.8k indexed citations (citations by other indexed papers that have themselves been cited), including 17 papers in Periodontics, 15 papers in Molecular Biology and 9 papers in Immunology. Recurrent topics in Ahmed Hashim's work include Oral microbiology and periodontitis research (17 papers), Glycosylation and Glycoproteins Research (6 papers) and Immune Response and Inflammation (6 papers). Ahmed Hashim is often cited by papers focused on Oral microbiology and periodontitis research (17 papers), Glycosylation and Glycoproteins Research (6 papers) and Immune Response and Inflammation (6 papers). Ahmed Hashim collaborates with scholars based in United Kingdom, United States and Saudi Arabia. Ahmed Hashim's co-authors include Michael A. Curtis, George Hajishengallis, Ravi Jotwani, John D. Lambris, Shuang Liang, Mehmet A. Eskan, Richard P. Darveau, Joseph Aduse‐Opoku, Asil Alsam and Mark Payne and has published in prestigious journals such as Immunity, Nature Immunology and Applied and Environmental Microbiology.

In The Last Decade

Ahmed Hashim

24 papers receiving 2.8k citations

Hit Papers

align trajectories sort by overperformance

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.

Low-Abundance Biofilm Species Orchestrates Inflammatory Periodontal Disease through the Commensal Microbiota and Complement

2011 903 citations George Hajishengallis, Shuang Liang et al. Cell Host & Microbe profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Ahmed Hashim United Kingdom	20	1.8k	896	849	666	316	25	2.8k
Ravi Jotwani United States	23	2.1k 1.2×	1.3k 1.4×	671 0.8×	699 1.0×	362 1.1×	35	3.3k
Loreto Abusleme United States	22	2.1k 1.2×	800 0.9×	819 1.0×	552 0.8×	572 1.8×	32	3.5k
Nicolás Dutzan Chile	23	2.5k 1.4×	1.2k 1.3×	781 0.9×	551 0.8×	541 1.7×	35	3.6k
Richard P. Darveau United States	18	1.9k 1.1×	676 0.8×	684 0.8×	637 1.0×	327 1.0×	24	2.9k
E. Gemmell Australia	32	2.6k 1.5×	1.6k 1.8×	505 0.6×	603 0.9×	557 1.8×	83	3.7k
Gilad Bachrach Israel	28	965 0.5×	598 0.7×	1.6k 1.9×	466 0.7×	191 0.6×	67	3.4k
Joseph Aduse‐Opoku United Kingdom	30	1.7k 1.0×	328 0.4×	1.1k 1.3×	965 1.4×	178 0.6×	54	2.9k
Robert E. Schifferle United States	25	1.0k 0.6×	644 0.7×	362 0.4×	397 0.6×	195 0.6×	37	1.9k
Aneta Sroka Poland	22	1.2k 0.6×	305 0.3×	616 0.7×	439 0.7×	174 0.6×	30	2.1k

Countries citing papers authored by Ahmed Hashim

Since Specialization

Citations

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

Fields of papers citing papers by Ahmed Hashim

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ahmed Hashim

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

Joseph, Susan, Ahmed Hashim, Sarah C. L. Knowles, et al.. (2021). A 16S rRNA Gene and Draft Genome Database for the Murine Oral Bacterial Community. mSystems. 6(1). 18 indexed citations

Hashim, Ahmed. (2020). The Association between Periodontal Disease and Obesity: Roles of the Dysbiotic Microbiome and Inflammation.

Payne, Mark, Ahmed Hashim, Asil Alsam, et al.. (2019). Horizontal and Vertical Transfer of Oral Microbial Dysbiosis and Periodontal Disease. Journal of Dental Research. 98(13). 1503–1510. 48 indexed citations

Rangarajan, M., Joseph Aduse‐Opoku, Nikolay A. Paramonov, Ahmed Hashim, & Michael A. Curtis. (2017). Hemin binding by Porphyromonas gingivalis strains is dependent on the presence of A‐LPS. Molecular Oral Microbiology. 32(5). 365–374. 25 indexed citations

Irie, Kei, Ahmed Hashim, Brian G. Leroux, et al.. (2016). Site-Specific Neutrophil Migration and CXCL2 Expression in Periodontal Tissue. Journal of Dental Research. 95(8). 946–952. 30 indexed citations

Cheng, Wan‐Chien, Hayley G. Evans, Gina Walter, et al.. (2016). Periodontitis‐associated pathogens P. gingivalis and A. actinomycetemcomitans activate human CD14 ⁺ monocytes leading to enhanced Th17/IL‐17 responses. European Journal of Immunology. 46(9). 2211–2221. 68 indexed citations

Maekawa, Tomoki, Jennifer L. Krauss, Toshiharu Abe, et al.. (2014). Porphyromonas gingivalis Manipulates Complement and TLR Signaling to Uncouple Bacterial Clearance from Inflammation and Promote Dysbiosis. Cell Host & Microbe. 15(6). 768–778. 330 indexed citations

Rangarajan, M., Joseph Aduse‐Opoku, Ahmed Hashim, Nikolay A. Paramonov, & Michael A. Curtis. (2013). Characterization of the - and -Mannosidases of Porphyromonas gingivalis. Journal of Bacteriology. 195(23). 5297–5307. 17 indexed citations

Zenobia, Camille, Ahmed Hashim, Toshiharu Abe, et al.. (2013). Commensal bacteria-dependent select expression of CXCL2 contributes to periodontal tissue homeostasis. Cellular Microbiology. 15(8). 1419–1426. 93 indexed citations

10.

Waite, Richard, Ruth‐Sarah Rose, M. Rangarajan, et al.. (2012). Pseudomonas aeruginosa Possesses Two Putative Type I Signal Peptidases, LepB and PA1303, Each with Distinct Roles in Physiology and Virulence. Journal of Bacteriology. 194(17). 4521–4536. 23 indexed citations

11.

Eskan, Mehmet A., Ravi Jotwani, Toshiharu Abe, et al.. (2012). The leukocyte integrin antagonist Del-1 inhibits IL-17-mediated inflammatory bone loss. Nature Immunology. 13(5). 465–473. 347 indexed citations

12.

Powell, Nick, Alan W. Walker, Émilie Stolarczyk, et al.. (2012). The Transcription Factor T-bet Regulates Intestinal Inflammation Mediated by Interleukin-7 Receptor+ Innate Lymphoid Cells. Immunity. 37(4). 674–684. 272 indexed citations

13.

Hajishengallis, George, Shuang Liang, Mark Payne, et al.. (2011). Low-Abundance Biofilm Species Orchestrates Inflammatory Periodontal Disease through the Commensal Microbiota and Complement. Cell Host & Microbe. 10(5). 497–506. 903 indexed citations breakdown →

14.

Reddi, Durga, Nagihan Bostancı, Ahmed Hashim, et al.. (2008). Porphyromonas gingivalis regulates the RANKL-OPG system in bone marrow stromal cells. Microbes and Infection. 10(14-15). 1459–1468. 28 indexed citations

15.

Rangarajan, M., Joseph Aduse‐Opoku, Nikolay A. Paramonov, et al.. (2008). Identification of a Second Lipopolysaccharide inPorphyromonas gingivalisW50. Journal of Bacteriology. 190(8). 2920–2932. 99 indexed citations

16.

Belibasakis, Georgios N., Nagihan Bostancı, Ahmed Hashim, et al.. (2007). Regulation of RANKL and OPG gene expression in human gingival fibroblasts and periodontal ligament cells by Porphyromonas gingivalis: A putative role of the Arg-gingipains. Microbial Pathogenesis. 43(1). 46–53. 93 indexed citations

17.

Aduse‐Opoku, Joseph, J. M. Slaney, Ahmed Hashim, et al.. (2005). Identification and Characterization of the Capsular Polysaccharide (K-Antigen) Locus of Porphyromonas gingivalis. Infection and Immunity. 74(1). 449–460. 74 indexed citations

18.

Paramonov, Nikolay A., M. Rangarajan, Ahmed Hashim, et al.. (2005). Structural analysis of a novel anionic polysaccharide from Porphyromonas gingivalis strain W50 related to Arg‐gingipain glycans. Molecular Microbiology. 58(3). 847–863. 108 indexed citations

19.

Rangarajan, M., Ahmed Hashim, Joseph Aduse‐Opoku, et al.. (2005). Expression of Arg-Gingipain RgpB Is Required for Correct Glycosylation and Stability of Monomeric Arg-Gingipain RgpA fromPorphyromonas gingivalisW50. Infection and Immunity. 73(8). 4864–4878. 19 indexed citations

20.

Paramonov, Nikolay A., David Bailey, M. Rangarajan, et al.. (2001). Structural analysis of the polysaccharide from the lipopolysaccharide of Porphyromonas gingivalis strain W50. European Journal of Biochemistry. 268(17). 4698–4707. 59 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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