Journal profile · Medicine, General & Internal
TOHOKU JOURNAL OF EXPERIMENTAL MEDICINE
ISSN 0040-8727 · eISSN 1349-3329 · Tohoku University Medical Press · JAPAN · Monthly · Founded 1920
TOHOKU JOURNAL OF EXPERIMENTAL MEDICINE: CAS Zone 4 · Medicine (2025 upgraded edition); impact factor 1.47; fully open access; no APC; review about 1 month (community reports); community-reported acceptance: about 66%; 150 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
TOHOKU JOURNAL OF EXPERIMENTAL MEDICINE is published by Tohoku University Medical Press and is in Zone 4 of Medicine in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Metabolism and Genetic Disorders, Diet and metabolism studies and Glycosylation and Glycoproteins Research, together about 24.5% of its articles. (generated from OpenAlex topic counts and CAS ranking data)
The Tohoku Journal of Experimental Medicine (TJEM) is one of the oldest and the most prestigious periodicals in Japan and the world. The TJEM is an international general medical journal founded in 1920, and is published online (Open Access) and with a monthly print issue by the Tohoku University Medical Press. Our mission is to publish peer-reviewed papers in all branches of medical sciences, including basic medicine, social medicine, clinical medicine, nursing sciences, disaster medicine, integrated medicine, and education for healthcare professionals, and to present new information of exceptional novelty, importance, and interest to a broad readership of the TJEM. The TJEM is open to Original articles in all branches of medical sciences from authors throughout the world. The TJEM also covers the fields of disaster science that include health aspects. Case reports, which advance significantly our knowledge of medical sciences or practice, are also accepted. Review articles, including systematic or scoping reviews, which synthesize the evidence, are welcome. Registration to a database for systematic reviews and following the guidelines are preferable. News and Views, which can be a case study of a disaster or public health emergency, contribute to health policy and education are welcome. Letters to the Editor are open discussions with the editor and authors on specific articles published in TJEM. A letter should cite the specific article and should not have more than three references. In particular, the TJEM welcomes full papers requiring prompt publication.
From the journal's Aims & Scope
Research area (LetPub): Medicine, General & Internal
Editor-in-chief Takashi Suzuki BasicPublisher website
Main research topics OpenAlex counts of recent articles; shares are approximate
- Metabolism and Genetic DisordersBiochemistry, Genetics and Molecular Biology9.8%
- Diet and metabolism studiesMedicine8.2%
- Glycosylation and Glycoproteins ResearchBiochemistry, Genetics and Molecular Biology6.5%
- Liver Disease Diagnosis and TreatmentMedicine5.7%
- Diet, Metabolism, and DiseaseMedicine5.2%
- Biomedical and Chemical ResearchMedicine4.6%
- Erythrocyte Function and PathophysiologyMedicine4.5%
- Diabetes and associated disordersBiochemistry, Genetics and Molecular Biology3.6%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Medicine Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 4 |
| Minor | Medicine, General & Internal | Zone 4 |
| Minor | Medicine, Research & Experimental | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Medicine Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 4 |
| Minor | Medicine, General & Internal | Zone 4 |
| Minor | Medicine, Research & Experimental | Zone 4 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Medicine Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 4 |
| Minor | Medicine, General & Internal | Zone 4 |
| Minor | Medicine, Research & Experimental | Zone 4 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor
- 1.47LetPub ·
- Impact factor (publisher) 2025
- 1.5Publisher website ·
- 5-year impact factor (publisher)
- 1.7Publisher website ·
- CiteScore 2026-06
- 2.6LetPub ·
- SJR 2026-06
- 0.45LetPub ·
- SNIP 2026-06
- 0.45LetPub ·
- h-index
- 52LetPub ·
- h-index
- 91OpenAlex ·
- i10-index
- 3,120OpenAlex ·
- 2-year mean citedness
- 0.95OpenAlex ·
- Self-citation rate
- 6.7%LetPub ·
- Share of gold OA articles
- 99.68%LetPub ·
Volume
- Articles per year
- 117LetPub ·
- Articles per year (publisher)
- 2,020Publisher website ·
Articles by year OpenAlex count · 12,224 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 123 | 123 | 3 |
| 2025 | 150 | 150 | 75 |
| 2024 | 153 | 153 | 327 |
| 2023 | 108 | 108 | 527 |
| 2022 | 144 | 144 | 1,052 |
| 2021 | 108 | 108 | 1,045 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
- Average review time (community reports)
- about 1 monthLetPub ·
- Average acceptance (community reports)
- 66%LetPub ·
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Fully open accessOpenAlex
Every article is open access; authors usually pay an article processing charge (APC).
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| Publisher website | No APC | — | — |
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
What to prepare3 items from the author guidelines
- Abstract
- ≤ 250 words
- Keywords
- 5
- Graphical abstract
- Optional
Article types accepted5
- case reportsCase reports, which advance significantly our knowledge of medical sciences or practice, are also accepted.Length not stated
- letters to the editorLetters to the Editor are open discussions with the editor and authors on specific articles published in TJEM.Length not stated
- news and viewsNews and Views, which can be a case study of a disaster or public health emergency, contribute to health policy and education are welcome.Length not stated
- original articlesThe TJEM is open to Original articles in all branches of medical sciences from authors throughout the world.Length not stated
- review articlesReview articles, including systematic or scoping reviews, which synthesize the evidence, are welcome.Length not stated
Policy excerpts from the journal's websiteAI use, Authorship, Conflicts of interest, Publication ethics, Preprints
- AI use
AI-assisted technologies may be used for writing assistance with disclosure in the Acknowledgments; use for data collection, analysis, or figure generation must be described in the Methods section. Model summary
Authors preparing a manuscript for the TJEM can use AI tools to support them. However, these tools must never be used as a substitute for human critical thinking, expertise, and evaluation. Authors should disclose the use of AI tools for writing assistance in the Acknowledgments section upon submission.
Source ↗Publisher website ·- Authorship
Simultaneous or duplicate publication in other periodicals or proceedings is not accepted. Model summary
Papers that will be simultaneously or have been published in any other periodicals or proceedings will not be accepted.
Source ↗Publisher website ·- Conflicts of interest
Conflicts of interest must be declared by authors and reviewers. Model summary
Authors/reviewers should declare any conflicts of interest.
Source ↗Publisher website ·- Publication ethics
Human subjects research must follow the Helsinki Declaration and be approved by an institutional review board or equivalent. Model summary
Scientific investigations involving human subjects must follow the ethical standards formulated in the Helsinki Declaration of 1964. They must have been formally approved by the appropriate institutional review board, ethical review committee, or equivalent.
Source ↗Publisher website ·- Preprints
Preprint/repository-posted manuscripts are welcomed. Model summary
The TJEM welcomes manuscripts based on a large scale of data posted to the Repository or the Database.
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- Tohoku University Medical Press
- Country or region
- JAPAN
- Language
- English
- Frequency
- Monthly
- Founded
- 1920
- ISSN
- 0040-8727
- Electronic ISSN
- 1349-3329
- Official links
- Journal homepage ↗LetPub
- Submission system ↗Publisher website
- Special issues ↗Publisher website
FAQ
Frequently asked questions about TOHOKU JOURNAL OF EXPERIMENTAL MEDICINE
What CAS zone is TOHOKU JOURNAL OF EXPERIMENTAL MEDICINE in?
In the 2025 upgraded edition of the CAS Journal Ranking, TOHOKU JOURNAL OF EXPERIMENTAL MEDICINE is in Zone 4 of Medicine, and in Zone 4 of the minor category Medicine, General & Internal / Medicine, Research & Experimental. In the 2026 Xinrui edition it is in Zone 4 of Medicine. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of TOHOKU JOURNAL OF EXPERIMENTAL MEDICINE?
The latest impact factor listed by LetPub is 1.47; CiteScore 2.6, h-index 91.
How long does peer review take at TOHOKU JOURNAL OF EXPERIMENTAL MEDICINE?
Authors report an average review time of about 1 month; the community-reported acceptance is “about 66%”. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
What are the manuscript requirements of TOHOKU JOURNAL OF EXPERIMENTAL MEDICINE?
According to the journal's author guidelines: Abstract: ≤ 250 words; Keywords: 5; Graphical abstract: Optional. A model extracted these from the author guidelines and each was checked against the text; check the latest version on the journal's website before submitting.
Which databases index TOHOKU JOURNAL OF EXPERIMENTAL MEDICINE?
According to LetPub and DOAJ records, TOHOKU JOURNAL OF EXPERIMENTAL MEDICINE is indexed in SCIE and Scopus.
Is TOHOKU JOURNAL OF EXPERIMENTAL MEDICINE open access, and what is the APC?
TOHOKU JOURNAL OF EXPERIMENTAL MEDICINE is a fully open-access journal. It charges no article processing charge.
Sources and updates
The facts on this page come from LetPub, Publisher website, OpenAlex; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-25). Last updated: .