Raija Tammi

13.4k total citations · 1 hit paper
161 papers, 11.1k citations indexed

About

Raija Tammi is a scholar working on Cell Biology, Molecular Biology and Immunology and Allergy. According to data from OpenAlex, Raija Tammi has authored 161 papers receiving a total of 11.1k indexed citations (citations by other indexed papers that have themselves been cited), including 130 papers in Cell Biology, 99 papers in Molecular Biology and 21 papers in Immunology and Allergy. Recurrent topics in Raija Tammi's work include Proteoglycans and glycosaminoglycans research (124 papers), Glycosylation and Glycoproteins Research (67 papers) and Fibroblast Growth Factor Research (56 papers). Raija Tammi is often cited by papers focused on Proteoglycans and glycosaminoglycans research (124 papers), Glycosylation and Glycoproteins Research (67 papers) and Fibroblast Growth Factor Research (56 papers). Raija Tammi collaborates with scholars based in Finland, United States and Italy. Raija Tammi's co-authors include Markku Tammi, Kirsi Rilla, Ulla M. Ågren, Päivi Auvinen, Veli‐Matti Kosma, Sanna Pasonen‐Seppänen, Jian Ni, Suneale Banerji, Shuxia Wang and David G. Jackson and has published in prestigious journals such as Journal of Biological Chemistry, The Journal of Cell Biology and Advanced Drug Delivery Reviews.

In The Last Decade

Raija Tammi

161 papers receiving 10.8k 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.

LYVE-1, a New Homologue of the CD44 Glycoprotein, Is a Lymph-specific Receptor for Hyaluronan

1999 1.3k citations Raija Tammi et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Raija Tammi Finland	56	6.5k	6.4k	2.3k	1.2k	1.1k	161	11.1k
Markku Tammi Finland	72	8.8k 1.3×	8.1k 1.3×	1.6k 0.7×	1.8k 1.5×	1.4k 1.2×	267	16.3k
Lilly Bourguignon United States	62	5.7k 0.9×	7.7k 1.2×	2.6k 1.1×	1.8k 1.5×	1.8k 1.6×	148	12.2k
Eva A. Turley Canada	53	5.4k 0.8×	5.0k 0.8×	1.3k 0.6×	1.7k 1.4×	1.0k 0.9×	119	9.2k
Alain Mauviel France	64	1.8k 0.3×	6.3k 1.0×	2.1k 0.9×	1.1k 0.9×	1.5k 1.3×	145	11.2k
Giovanna Zambruno Italy	57	3.5k 0.5×	3.6k 0.6×	1.0k 0.4×	1.3k 1.1×	650 0.6×	266	10.1k
Mitsuo Yamauchi United States	52	2.4k 0.4×	3.9k 0.6×	2.3k 1.0×	881 0.7×	1.2k 1.0×	145	10.7k
Ralph D. Sanderson United States	64	6.0k 0.9×	7.2k 1.1×	1.8k 0.8×	1.5k 1.2×	2.1k 1.8×	128	11.1k
Margot Zöller Germany	53	3.9k 0.6×	8.1k 1.3×	3.1k 1.3×	2.4k 1.9×	3.3k 2.9×	197	13.2k
Kristofer Rubin Sweden	58	2.0k 0.3×	4.3k 0.7×	2.2k 1.0×	2.5k 2.0×	1.6k 1.4×	151	11.3k
Achilleas D. Theocharis Greece	46	3.4k 0.5×	4.6k 0.7×	2.0k 0.9×	1.0k 0.8×	2.2k 1.9×	112	9.5k

Countries citing papers authored by Raija Tammi

Since Specialization

Citations

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

Fields of papers citing papers by Raija Tammi

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Raija Tammi

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

Takabe, Piia, et al.. (2019). Melanocyte Hyaluronan Coat Fragmentation Enhances the UVB-Induced TLR-4 Receptor Signaling and Expression of Proinflammatory Mediators IL6, IL8, CXCL1, and CXCL10 via NF-κB Activation. Journal of Investigative Dermatology. 139(9). 1993–2003.e4. 16 indexed citations

Deen, Ashik Jawahar, Uma Thanigai Arasu, Sanna Pasonen‐Seppänen, et al.. (2016). UDP-sugar substrates of HAS3 regulate its O-GlcNAcylation, intracellular traffic, extracellular shedding and correlate with melanoma progression. Cellular and Molecular Life Sciences. 73(16). 3183–3204. 49 indexed citations

Auvinen, Päivi, Kirsi Rilla, Markku Tammi, et al.. (2013). Hyaluronan synthases (HAS1–3) in stromal and malignant cells correlate with breast cancer grade and predict patient survival. Breast Cancer Research and Treatment. 143(2). 277–286. 118 indexed citations

Auvinen, Päivi, Raija Tammi, Markku Tammi, et al.. (2012). Binding of Trastuzumab to ErbB2 Is Inhibited by a High Pericellular Density of Hyaluronan. Journal of Histochemistry & Cytochemistry. 60(8). 567–575. 17 indexed citations

Tammi, Raija, et al.. (2009). Depletion of cell surface CD44 in nonmelanoma skin tumours is associated with increased expression of matrix metalloproteinase 7. British Journal of Dermatology. 160(6). 1251–1257. 15 indexed citations

Hämäläinen, Kirsi, Veli-Matti Kosma, Raija Tammi, et al.. (2009). Downregulated CD44 and hyaluronan expression in vulvar intraepithelial neoplasia and squamous cell carcinomas. Acta Obstetricia Et Gynecologica Scandinavica. 89(1). 108–119. 5 indexed citations

Rilla, Kirsi, Sanna Pasonen‐Seppänen, Jarno Rieppo, Markku Tammi, & Raija Tammi. (2004). The Hyaluronan Synthesis Inhibitor 4-Methylumbelliferone Prevents Keratinocyte Activation and Epidermal Hyperproliferation Induced by Epidermal Growth Factor. Journal of Investigative Dermatology. 123(4). 708–714. 71 indexed citations

Karvinen, Susanna, V-M Kosma, Markku Tammi, & Raija Tammi. (2003). Hyaluronan, CD44 and versican in epidermal keratinocyte tumours. British Journal of Dermatology. 148(1). 86–94. 48 indexed citations

Anttila, Maarit, Kirsi Voutilainen, Raija Tammi, et al.. (2003). CD44 expression indicates favorable prognosis in epithelial ovarian cancer.. PubMed. 9(14). 5318–24. 81 indexed citations

10.

Pirinen, Risto, Raija Tammi, Markku Tammi, et al.. (2001). Prognostic value of hyaluronan expression in non‐small‐cell lung cancer: Increased stromal expression indicates unfavorable outcome in patients with adenocarcinoma. International Journal of Cancer. 95(1). 12–17. 6 indexed citations

11.

Pirinen, Risto, Raija Tammi, Markku Tammi, et al.. (2001). Prognostic value of hyaluronan expression in non-small-cell lung cancer: Increased stromal expression indicates unfavorable outcome in patients with adenocarcinoma. International Journal of Cancer. 95(1). 12–17. 114 indexed citations

12.

Pienimäki, Juha-Pekka, Kirsi Rilla, Csaba Fülöp, et al.. (2001). Epidermal Growth Factor Activates Hyaluronan Synthase 2 in Epidermal Keratinocytes and Increases Pericellular and Intracellular Hyaluronan. Journal of Biological Chemistry. 276(23). 20428–20435. 169 indexed citations

13.

Anttila, Maarit, Raija Tammi, Markku Tammi, et al.. (2000). High levels of stromal hyaluronan predict poor disease outcome in epithelial ovarian cancer.. PubMed. 60(1). 150–5. 287 indexed citations

14.

Tammi, Raija & Markku Tammi. (1998). Hyaluronan in the Epidermis. 2. 9 indexed citations

15.

Ågren, Ulla M., Raija Tammi, & Markku Tammi. (1997). Reactive Oxygen Species Contribute to Epidermal Hyaluronan Catabolism in Human Skin Organ Culture. Free Radical Biology and Medicine. 23(7). 996–1001. 115 indexed citations

16.

Oksala, Olli, Timothy J. Salo, Raija Tammi, et al.. (1995). Expression of proteoglycans and hyaluronan during wound healing.. Journal of Histochemistry & Cytochemistry. 43(2). 125–135. 240 indexed citations

17.

Tammi, Raija, Seppo Rönkkö, Ulla M. Ågren, & Markku Tammi. (1994). Distribution of hyaluronan in bull reproductive organs.. Journal of Histochemistry & Cytochemistry. 42(11). 1479–1486. 17 indexed citations

18.

Tammi, Raija, et al.. (1987). Ultrastructural localization of keratinocyte surface associated heparan sulphate proteoglycans in human epidermis. Histochemistry and Cell Biology. 87(3). 243–250. 14 indexed citations

19.

Tammi, Raija & Howard I. Maïbach. (1987). Skin Organ Culture: Why?. International Journal of Dermatology. 26(3). 150–160. 22 indexed citations

20.

Tammi, Raija. (1982). Effects of sex steroids on human skin in organ culture. Acta Dermato Venereologica. 62(2). 107–112. 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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