Cell line · CVCL_B057
M4A4
Cancer cell line, Homo sapiens. Amelanotic melanoma. Cellosaurus records it as contaminated. 1 paper.
4 sourcescell-lines-2026-11-14-0.1.0
Cite this record
ConductScience Library. M4A4. Cell lines, record CVCL_B057. Release cell-lines-2026-11-14-0.1.0, 14 Nov 2026. https://conductscience.org/library/cell-lines/CVCL_B057
On this page
Cell line
As Cellosaurus gives it.
- Name
- M4A4
- Accession
- CVCL_B057
- RRID
- RRID:CVCL_B057
- Synonyms
- M-4A4
- Species
- Homo sapiens (Human)
- Sex
- Male
- Age at sampling
- 33Y
- Category
- Cancer cell line
- Diseases
- Amelanotic melanoma (NCIt C3802)
- Derived from
- Right buttock, hypodermis (metastatic)
- Parent
- MDA-MB-435 (CVCL_0417)
- Entry created
- 2012-06-06
- Entry updated
- 2025-04-10
Source Cellosaurus
Problems1
| Problem | Cellosaurus's note |
|---|---|
| Contaminated | Parent cell line (MDA-MB-435) has been shown to be a M14 derivative. |
Source Cellosaurus
Papers1
1 more article gives this line's RRID in its Methods without naming the line nearby, so it is not listed.
| Paper | Journal | Year | How we know | Retracted |
|---|---|---|---|---|
| Prolonged dormancy and site-specific growth potential of cancer cells spontaneously disseminated from nonmetastatic breast tumors as revealed by labeling with green fluorescent protein. | Clin Cancer Res | 2003 | Cellosaurus cites it |
Source PubMed
Relatives2
| Relation | Cell line | Accession | Problem | Source |
|---|---|---|---|---|
| Parent | MDA-MB-435 | CVCL_0417 | Has a recorded problem | Cell lines |
| Derived from it | M4A4 GFP | CVCL_B058 | Has a recorded problem | Cell lines |
Cell banks1
| Cell bank | Catalog number | Status |
|---|---|---|
| ATCC | CRL-2914 |
Source ATCC
Data dates
The date of each source this release read.
Sources 4
- CellosaurusCC BY 4.0, with credit to Cellosaurus (SIB)
- PubMed Central's articlesTitles shown only for CC0, CC BY and public domain articles
- NLM's PMC Article DatasetsCourtesy of NLM, which does not endorse this database
- PubMedNLM's terms
Each source's terms
- CellosaurusCC BY 4.0. Cellosaurus's README: "we have chosen to apply the Creative Commons Attribution 4.0 International (CC BY 4.0) license to Cellosaurus (https://creativecommons.org/licenses/by/4.0/). This means that you are free to copy and redistribute Cellosaurus in any medium or format. You can remix, transform, and build upon Cellosaurus for any purpose, even commercially. You must give appropriate credit, provide a link to the license, and indicate if changes were made." Copyright (c) CALIPHO group, SIB Swiss Institute of Bioinformatics. Read on 14 Nov 2026 at https://ftp.expasy.org/databases/cellosaurus/README
- PubMed Central's articlesEach article's own license. Its words show only under CC0, CC BY or public domain
- NLM's PMC Article DatasetsNLM's PMC Article Datasets on AWS, https://registry.opendata.aws/ncbi-pmc. Its terms: users "acknowledge NLM as the source of the data in a clear and conspicuous manner", do not use the PubMed Central wordmark or the PMC logo, do not "indicate or imply that NLM/NIH/HHS has endorsed" a product, and "only distribute data that are licensed for redistribution". Each article keeps its own license: https://pmc.ncbi.nlm.nih.gov/about/copyright/
- PubMedNLM's terms
Cellosaurus, SIB Swiss Institute of Bioinformatics, https://www.cellosaurus.org, CC BY 4.0. Its problem notes are given in its own words.
For software
Read this cell line from software.
The record and each of its lists are JSON, twenty rows a page. No key.
GET https://conductscience.org/api/cell-lines/v1/CVCL_B057
GET https://conductscience.org/api/cell-lines/v1/CVCL_B057/problems