Riitta Keinänen

5.6k total citations · 4 hit papers
25 papers, 4.7k citations indexed

About

Riitta Keinänen is a scholar working on Molecular Biology, Cellular and Molecular Neuroscience and Neurology. According to data from OpenAlex, Riitta Keinänen has authored 25 papers receiving a total of 4.7k indexed citations (citations by other indexed papers that have themselves been cited), including 13 papers in Molecular Biology, 9 papers in Cellular and Molecular Neuroscience and 9 papers in Neurology. Recurrent topics in Riitta Keinänen's work include Neuroscience and Neuropharmacology Research (8 papers), Neuroinflammation and Neurodegeneration Mechanisms (7 papers) and Alzheimer's disease research and treatments (3 papers). Riitta Keinänen is often cited by papers focused on Neuroscience and Neuropharmacology Research (8 papers), Neuroinflammation and Neurodegeneration Mechanisms (7 papers) and Alzheimer's disease research and treatments (3 papers). Riitta Keinänen collaborates with scholars based in Finland, United States and Sweden. Riitta Keinänen's co-authors include Jari Koıstınaho, Juha Yrjänheikki, Gundars Goldsteins, Tiina Tikka, Tomas Hökfelt, Bernd L. Fiebich, Pak H. Chan, Christian Palmberg, Minna Tanner and Pasi A. Koivisto and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Nature Genetics and Journal of Neuroscience.

In The Last Decade

Riitta Keinänen

25 papers receiving 4.6k 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.

In vivo amplification of the androgen receptor gene and progression of human prostate cancer

1995 1.1k citations Tapio Visakorpi, Pasi A. Koivisto et al. Nature Genetics profile →
A tetracycline derivative, minocycline, reduces inflammation and protects against focal cerebral ischemia with a wide therapeutic window

1999 886 citations Juha Yrjänheikki, Tiina Tikka et al. profile →
Tetracyclines inhibit microglial activation and are neuroprotective in global brain ischemia

1998 850 citations Juha Yrjänheikki, Riitta Keinänen et al. profile →
Minocycline, a Tetracycline Derivative, Is Neuroprotective against Excitotoxicity by Inhibiting Activation and Proliferation of Microglia

2001 830 citations Tiina Tikka, Bernd L. Fiebich et al. Journal of Neuroscience profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Riitta Keinänen Finland	18	1.7k	1.6k	1.0k	1.0k	714	25	4.7k
Masayasu Matsumoto Japan	35	1.1k 0.6×	1.4k 0.9×	1.0k 1.0×	458 0.5×	562 0.8×	94	4.3k
Lorenz Hirt Switzerland	33	836 0.5×	1.8k 1.2×	1.0k 1.0×	442 0.4×	450 0.6×	91	4.0k
Nobuo Noshita United States	20	1.0k 0.6×	2.2k 1.4×	723 0.7×	398 0.4×	451 0.6×	29	3.9k
Jae Kyu Ryu Canada	45	2.6k 1.5×	1.7k 1.1×	1.3k 1.2×	330 0.3×	1.5k 2.1×	73	6.4k
Carine Ali France	40	1.5k 0.9×	1.6k 1.0×	1.1k 1.0×	307 0.3×	476 0.7×	79	4.9k
Karsten Ruscher Sweden	36	1.5k 0.9×	1.8k 1.2×	1.2k 1.1×	190 0.2×	506 0.7×	81	5.1k
Shao‐Hua Yang United States	41	1.1k 0.6×	1.6k 1.0×	752 0.7×	202 0.2×	881 1.2×	89	4.5k
Takashi Taniguchi Japan	41	912 0.5×	1.9k 1.2×	1.3k 1.2×	379 0.4×	1.2k 1.7×	185	5.6k
R. Anne Stetler United States	42	2.1k 1.2×	3.4k 2.1×	1.0k 1.0×	277 0.3×	749 1.0×	71	6.9k
Kazuhide Hayakawa United States	49	2.3k 1.3×	2.3k 1.5×	1.1k 1.0×	245 0.2×	801 1.1×	111	6.5k

Countries citing papers authored by Riitta Keinänen

Since Specialization

Citations

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

Fields of papers citing papers by Riitta Keinänen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Riitta Keinänen

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

Kurkinen, Kaisa M.A., Riitta Keinänen, Weiqun Li, & Jari Koıstınaho. (2001). Preconditioning with spreading depression activates specifically protein kinase Cδ. Neuroreport. 12(2). 269–273. 23 indexed citations

Tikka, Tiina, et al.. (2001). Tetracycline derivatives and ceftriaxone, a cephalosporin antibiotic, protect neurons against apoptosis induced by ionizing radiation. Journal of Neurochemistry. 78(6). 1409–1414. 78 indexed citations

Tikka, Tiina, Bernd L. Fiebich, Gundars Goldsteins, Riitta Keinänen, & Jari Koıstınaho. (2001). Minocycline, a Tetracycline Derivative, Is Neuroprotective against Excitotoxicity by Inhibiting Activation and Proliferation of Microglia. Journal of Neuroscience. 21(8). 2580–2588. 830 indexed citations breakdown →

Yrjänheikki, Juha, et al.. (2000). A tetracycline derivative, minocycline, reduces inflammation and protects against focal cerebral ischemia. XXXII(3-4). 76–76. 2 indexed citations

Kurkinen, Kaisa M.A., Riitta Keinänen, Ritva Karhu, & Jari Koıstınaho. (2000). Genomic structure and chromosomal localization of the rat protein kinase Cδ-gene. Gene. 242(1-2). 115–123. 8 indexed citations

Keinänen, Riitta, Reina Roivainen, T. Hirvonen, et al.. (1999). Spreading depression induces expression of calcium-independent protein kinase C subspecies in ischaemia-sensitive cortical layers: regulation by N-methyl-d-aspartate receptors and glucocorticoids. Neuroscience. 93(3). 985–993. 19 indexed citations

Keinänen, Riitta, Nina Vartiainen, & Jari Koıstınaho. (1999). Molecular cloning and characterization of the rat inducible nitric oxide synthase (iNOS) gene. Gene. 234(2). 297–305. 59 indexed citations

Tikka, Tiina, et al.. (1999). Glutamatergic receptors regulate expression, phosphorylation and accumulation of neurofilaments in spinal cord neurons. Neuroscience. 93(3). 1123–1133. 28 indexed citations

Keinänen, Riitta, Susanna Miettinen, Juha Yrjänheikki, & Jari Koıstınaho. (1997). Induction of ornithine decarboxylase mRNA in transient focal cerebral ischemia in the rat. Neuroscience Letters. 239(2-3). 69–72. 10 indexed citations

10.

Lahtinen, Hannele, Jari Koıstınaho, Risto A. Kauppinen, et al.. (1997). Selegiline treatment after transient global ischemia in gerbils enhances the survival of CA1 pyramidal cells in the hippocampus. Brain Research. 757(2). 260–267. 38 indexed citations

11.

Keinänen, Riitta, et al.. (1996). Two chicken repeat one (CR1) elements lacking a silencer-like region upstream of the chicken avidin-related genes Avr4 and Avr5. Biochimica et Biophysica Acta (BBA) - Gene Structure and Expression. 1308(3). 193–196. 4 indexed citations

12.

Miettinen, Susanna, Reina Roivainen, Riitta Keinänen, Tomas Hökfelt, & Jari Koıstınaho. (1996). Specific Induction of Protein Kinase Cδ Subspecies after Transient Middle Cerebral Artery Occlusion in the Rat Brain: Inhibition by MK-801. Journal of Neuroscience. 16(19). 6236–6245. 68 indexed citations

13.

Koıstınaho, Jari, Susanna Miettinen, Riitta Keinänen, et al.. (1996). Long‐term Induction of Haem Oxygenase‐1 (HSP‐32) in Astrocytes and Microglia Following Transient Focal Brain Ischaemia in the Rat. European Journal of Neuroscience. 8(11). 2265–2272. 76 indexed citations

14.

Koıstınaho, Jari, et al.. (1996). Expression of β-amyloid precursor protein mRNAs following transient focal ischaemia. Neuroreport. 7(15). 2727–2732. 62 indexed citations

15.

Visakorpi, Tapio, Pasi A. Koivisto, Minna Tanner, et al.. (1995). In vivo amplification of the androgen receptor gene and progression of human prostate cancer. Nature Genetics. 9(4). 401–406. 1135 indexed citations breakdown →

16.

Keinänen, Riitta, Paula Kristo, Mikko O. Laukkanen, et al.. (1994). Molecular cloning and nucleotide sequence of chicken avidin‐related genes 1–5. European Journal of Biochemistry. 220(2). 615–621. 30 indexed citations

17.

Mahonen, Anitta, Asta Pirskanen, Riitta Keinänen, & Pekka H. Mäenpää. (1990). Effect of 1,25(OH)2D3 on its receptor mRNA levels and osteocalcin synthesis in human osteosarcoma cells. Biochimica et Biophysica Acta (BBA) - Gene Structure and Expression. 1048(1). 30–37. 77 indexed citations

18.

Konttinen, Yrjö T., Markku S. Kulomaa, M Segerberg-Konttinen, et al.. (1990). Localization of lysozyme mRNA in the labial salivary glands by in situ hybridization in Sjögren's syndrome. European Journal Of Oral Sciences. 98(4). 318–325. 8 indexed citations

19.

Konttinen, Y. T., Ville Bergroth, M.S. Kulomaa, et al.. (1989). Localisation of lysozyme mRNA in rheumatoid synovial membrane by in situ hybridisation.. Annals of the Rheumatic Diseases. 48(11). 912–917. 6 indexed citations

20.

Keinänen, Riitta, Marja‐Leena Laukkanen, & Markku S. Kulomaa. (1988). Molecular cloning of three structurally related genes for chicken avidin. Journal of Steroid Biochemistry. 30(1-6). 17–21. 14 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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