ArticleMammalian genome : official journal of the International Mammalian Genome Society2025
Protein family FAM241 in human and mouse.
Article in Mammalian genome : official journal of the International Mammalian Genome Society, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Glioblastoma Prognosis and Therapeutic Response Predicted by a Cancer-Associated Fibroblasts Risk Score.Mediators of inflammation · 2025Article
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6 authors.
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Abstract
FAM241B was isolated in a genome-wide inactivation screen for generation of enlarged lysosomes. FAM241B and FAM241A comprise protein family FAM241 encoding proteins of 121 and 132 amino acid residues, respectively. The proteins exhibit 25% amino acid sequence identity and contain a domain of unknown function (DUF4605; pfam15378) that is conserved from primitive multicellular eukaryotes through vertebrates. Phylogenetic comparison indicates that duplication of the ancestral FAM241B gene occurred prior to the origin of fish. FAM241B has been deleted from the avian lineage. Fam241a and Fam241b are widely expressed in mouse tissues. Experimental knockout of mouse Fam241a, Fam241b, and the double knockout, did not generate a visible phenotype. Knockout of Fam241A and Fam241B did not exacerbate the phenotype of FIG4 null mice. RNAseq of brain RNA from double knockout mice detected reduced expression of several genes including Arke1e1 and RnaseL. The human variant p.Val115Gly in FAM241B was identified in a patient with developmental delay. Lysosome morphology in patient-derived fibroblasts was normal. In previous studies, FAM241A and FAM241B appeared to co-localize with proteins of the endoplasmic reticulum. The molecular function of this ancient protein family remains to be determined.
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