PD1

Programmed cell death 1 - mammalian protein found in Homo sapiens. Article “PD1” in Russian Wikipedia has 27.9 points for quality (as of July 1, 2025). The article contains 14 references and 4 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Russian) language version.

In June 2025 the article “PD1” was edited by 1 authors in Russian Wikipedia and written by 4 authors in all languages.

Since the creation of article “PD1”, its content was written by 7 registered users of Russian Wikipedia and edited by 143 registered Wikipedia users in all languages.

The article is cited 354 times in Russian Wikipedia and cited 1521 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Russian): #35938 in May 2014
• Global: #38060 in October 2018

The highest popularity rank from 2008:

• Local (Russian): #47037 in December 2024
• Global: #28361 in October 2018

There are 15 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Programmed cell death protein 1		85.0262
2	Czech (cs) PD-1		42.6241
3	Polish (pl) Receptor programowanej śmierci 1		40.5815
4	Persian (fa) PD-1		37.4625
5	French (fr) Protéine 1 de la mort cellulaire programmée		34.2788
6	German (de) Programmed Cell Death Protein 1		32.4915
7	Korean (ko) PD-1		32.4589
8	Arabic (ar) بروتين موت الخلية المبرمج 1		29.6709
9	Japanese (ja) PD-1		28.6287
10	Ukrainian (uk) PDCD1		28.5176

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "PD1" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Programmed cell death protein 1		1 784 801
2	Japanese (ja) PD-1		119 018
3	German (de) Programmed Cell Death Protein 1		77 733
4	Russian (ru) PD1		61 005
5	French (fr) Protéine 1 de la mort cellulaire programmée		57 077
6	Korean (ko) PD-1		53 211
7	Polish (pl) Receptor programowanej śmierci 1		22 879
8	Portuguese (pt) PD-1		16 376
9	Italian (it) Proteina 1 della morte cellulare programmata		14 220
10	Arabic (ar) بروتين موت الخلية المبرمج 1		12 172

More...

The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "PD1" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Programmed cell death protein 1		3 338
2	Japanese (ja) PD-1		410
3	Italian (it) Proteina 1 della morte cellulare programmata		288
4	French (fr) Protéine 1 de la mort cellulaire programmée		257
5	Korean (ko) PD-1		250
6	German (de) Programmed Cell Death Protein 1		238
7	Russian (ru) PD1		216
8	Polish (pl) Receptor programowanej śmierci 1		171
9	Arabic (ar) بروتين موت الخلية المبرمج 1		75
10	Czech (cs) PD-1		54

More...

The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "PD1" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Programmed cell death protein 1		71
2	French (fr) Protéine 1 de la mort cellulaire programmée		12
3	Japanese (ja) PD-1		9
4	Arabic (ar) بروتين موت الخلية المبرمج 1		7
5	Russian (ru) PD1		7
6	German (de) Programmed Cell Death Protein 1		6
7	Polish (pl) Receptor programowanej śmierci 1		6
8	Estonian (et) PD-1		5
9	Italian (it) Proteina 1 della morte cellulare programmata		5
10	Czech (cs) PD-1		3

More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "PD1" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	English (en) Programmed cell death protein 1		3
2	Russian (ru) PD1		1
3	Arabic (ar) بروتين موت الخلية المبرمج 1		0
4	Czech (cs) PD-1		0
5	German (de) Programmed Cell Death Protein 1		0
6	Estonian (et) PD-1		0
7	Persian (fa) PD-1		0
8	French (fr) Protéine 1 de la mort cellulaire programmée		0
9	Italian (it) Proteina 1 della morte cellulare programmata		0
10	Japanese (ja) PD-1		0

More...

The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "PD1" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Programmed cell death protein 1		514
2	Russian (ru) PD1		354
3	Ukrainian (uk) PDCD1		344
4	Polish (pl) Receptor programowanej śmierci 1		102
5	Japanese (ja) PD-1		51
6	French (fr) Protéine 1 de la mort cellulaire programmée		41
7	Italian (it) Proteina 1 della morte cellulare programmata		25
8	German (de) Programmed Cell Death Protein 1		23
9	Persian (fa) PD-1		14
10	Estonian (et) PD-1		13

More...

#	Language	Value
ar	Arabic بروتين موت الخلية المبرمج 1
cs	Czech PD-1
de	German Programmed Cell Death Protein 1
en	English Programmed cell death protein 1
et	Estonian PD-1
fa	Persian PD-1
fr	French Protéine 1 de la mort cellulaire programmée
it	Italian Proteina 1 della morte cellulare programmata
ja	Japanese PD-1
ko	Korean PD-1
pl	Polish Receptor programowanej śmierci 1
pt	Portuguese PD-1
ro	Romanian PD-1
ru	Russian PD1
uk	Ukrainian PDCD1

Best Rank

Russian: #47037 12.2024

Global: #28361 10.2018

Best Rank

Russian: #35938 05.2014

Global: #38060 10.2018

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information