ArticleG3 (Bethesda, Md.)2014
Impact of genetic background on neonatal lethality of Gga2 gene-trap mice.
Article in G3 (Bethesda, Md.), 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
5 citing papers in PubMed.
- GGAs: Regulation of Multiple Sorting Pathways and Potential Association With Human Diseases.Journal of cellular and molecular medicine · 2026Review
- Cargo Sorting at theCells · 2019Review
- GGA2 interacts with EGFR cytoplasmic domain to stabilize the receptor expression and promote cell growth.Scientific reports · 2018Article
- Article
- Conserved role for Gga proteins in phosphatidylinositol 4-kinase localization to theProceedings of the National Academy of Sciences of the United States of America · 2017Article
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Authors and funding
3 authors.
Funding
Abstract
The functional redundancy of the three mammalian Golgi-localized, γ-ear-containing, ADP-ribosylation factor-binding proteins (GGAs) was addressed in a previous study. Using insertional mutagenesis, we found that Gga1 or Gga3 homozygous knockout mice were for the most part normal, whereas mice homozygous for two different Gga2 gene-trap alleles exhibited either embryonic or neonatal lethality in the C57BL/6 background, depending on the source of the vector utilized (Byg vs. Tigm, respectively). We now show that the Byg strain harbors a disrupted Gga2 allele that is hypomorphic, indicating that the Byg lethality is attributable to a mechanism independent of GGA2. This is in contrast to the Tigm Gga2 allele, which is a true knockout and establishes a role for GGA2 during the neonatal period. Placement of the Tigm Gga2 allele into the C57BL6/Ola129Sv mixed background results in a lower incidence of neonatal lethality, showing the importance of genetic background in determining the requirement for GGA2 during this period. The Gga2(-/-) mice that survive have reduced body weight at birth and this runted phenotype is maintained through adulthood.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.