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Email: info@nsjbio.com
- Tel: 858.663.9055
- Email: info@nsjbio.com
EIF4G1 Antibody / Translation Initiation Factor Antibody recognizes EIF4G1, also known as Eukaryotic Translation Initiation Factor 4 Gamma 1, a large scaffold protein that plays a central role in cap-dependent mRNA translation. EIF4G1 serves as the structural backbone of the eIF4F translation initiation complex by interacting with eIF4E, eIF4A, poly(A)-binding protein, and additional translation factors. Through these interactions, EIF4G1 promotes recruitment of the small ribosomal subunit to messenger RNA and facilitates efficient translation initiation. Because protein synthesis is tightly linked to cellular growth, proliferation, and stress responses, EIF4G1 is a critical regulator of gene expression in both normal and diseased cells.
EIF4G1 coordinates multiple stages of translation initiation by bringing together translation factors, ribosomal components, and messenger RNA into a functional pre-initiation complex. In addition to promoting cap-dependent translation, EIF4G1 contributes to selective translation of transcripts involved in cell survival, metabolism, and proliferation. Its activity is regulated by signaling pathways including mechanistic target of rapamycin (mTOR), which controls protein synthesis in response to nutrients, growth factors, and cellular energy status. During cellular stress, viral infection, or apoptosis, EIF4G1 function may be altered through proteolytic cleavage or changes in translation complex assembly, resulting in selective modulation of protein production.
Dysregulated EIF4G1 expression has been associated with numerous human diseases, particularly cancer and neurodegenerative disorders. Increased EIF4G1 expression has been reported in colorectal, breast, lung, prostate, and other malignancies, where enhanced translation initiation supports tumor growth, metabolic reprogramming, and resistance to therapy. Rare inherited variants in EIF4G1 have also been investigated in familial Parkinson disease and related neurodegenerative conditions, although their pathogenic significance remains an area of active research. Owing to its central role in regulating protein synthesis, EIF4G1 has become an important target in studies of translational control, oncogenic signaling, cellular stress responses, and therapeutic intervention.
EIF4G1 is widely expressed in proliferating and metabolically active tissues, making it an important target for studies of translational regulation, cell growth, and disease. Altered EIF4G1 expression and activity have been implicated in numerous cancers as well as neurodegenerative disorders, reflecting its central role in controlling protein synthesis and cellular homeostasis. This rabbit polyclonal antibody was developed for specific detection of EIF4G1 in research applications. An EIF4G1 Antibody is a valuable research tool for investigating translation initiation, protein synthesis, translational control, and diseases associated with dysregulated mRNA translation.
Explore additional research tools for oncogenic signaling, translational regulation, and tumor biology on our Cancer Marker Antibodies page.
Optimal dilution of the EIF4G1 antibody should be determined by the researcher.
Human recombinant proteins (amino acids Q497-R681 + E1409-L1515) were used as the immunogen for the EIF4G1 antibody.
After reconstitution, the EIF4G1 antibody can be stored for up to one month at 4oC. For long-term, aliquot and store at -20oC. Avoid repeated freezing and thawing.
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