AIF1 Human

AIF1 Human

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  • AIF1 Human

  • Allograft Inflammatory Factor 1 Human Recombinant
  • CYT-697
  • Shipped at Room temp.

Catalogue number



AIF-1, Allograft inflammatory factor 1, Em:AF129756.17, G1, IBA1, Ionized calcium-binding adapter molecule 1, IRT-1, Protein G1, AIF1.


Human AIF1 protein shares 98% homology/identity with that of rat. AIF1 is expressed in macrophages and neutrophils. The expression of AIF1 transcripts is upregulated by IFN-g in rat macrophages. AIF1 is expressed selectively in human macrophage-like cell lines, and in a subset of CD68(+) macrophages in the interstitial and perivascular spaces of human heart allografts. In quiescent cultured human vascular smooth muscle cells synthesis of AIF1 is induced by IFN-g, IL1b, and conditioned medium of T-cells. Overexpression of AIF1 in human VSMCs results in enhanced growth of these cells. AIF1 is expressed during apoptosis rat mammary gland and ventral prostate tissues. Allograft Inflammatory Factor 1 is expressed by several tumor-associated activated macrophages and microglial cells in rat and human gliomas. There is an evident relationship of AIF1-expressing activated macrophages and microglial cells with tumor malignancy in humans.


The AIF1 Human Recombinant contains a total of 155 amino acids having a molecular Mass of 17.7kDa. The Human AIF1 is fused to a 9 amino acid long N-terminal His tag.


E. Coli.

Physical Appearance

Filtered White lyophilized (freeze-dried) powder.


Filtered and lyophilized from 0.5mg/ml in 20mM Tris buffer and 50mM NaCl pH-7.5.


Add deionized water and let the lyophilized pellet dissolve completely.


For long term, store lyophilized AIF1 at -20°C. Aliquot the product after reconstitution to avoid repeated freezing/thawing cycles. Reconstituted protein can be stored at 4°C for a limited period of time; it does not show any change after two weeks at 4°C.
The lyophilized protein remains stable for 24 months when stored at -20°C.

Amino acid sequence



Greater than 90% as determined by SDS PAGE.

Safety Data Sheet


ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.


Allograft Inflammatory Factor 1 Human Recombinant: Uncovering its Role in Immune Responses and Therapeutic Prospects


1. Abstract


This paper explores the Allograft Inflammatory Factor 1 Human Recombinant (AIF-1), a cytoplasmic, IFN-gamma-inducible calcium-binding protein involved in inflammation and immunity. We review the structure, biological roles, and involvement of AIF-1 in disease pathology. The therapeutic potential of AIF-1 in immune-related disorders is also explored.


2. Introduction


AIF-1, also known as IBA1, plays an important role in immune responses. It is associated with various immune cells, particularly macrophages, and has been implicated in numerous inflammatory and immune-related diseases. Understanding the function of AIF-1 could aid the development of novel therapeutic strategies.


3. Structure and Signaling of AIF-1


AIF-1 is a small 17 kDa protein with an EF-hand calcium-binding motif. Although the precise mechanism by which AIF-1 exerts its functions is not entirely clear, it is known to regulate the activation, migration, and proliferation of macrophages, key cells involved in immune responses.


4. Biological Functions of AIF-1


AIF-1 has been shown to play key roles in macrophage activation and function, which are central to inflammation and immunity. It is also implicated in cell survival, proliferation, and differentiation.


5. AIF-1 in Disease Pathology


AIF-1 has been associated with a range of inflammatory and immune-related diseases, including rheumatoid arthritis, atherosclerosis, and multiple sclerosis. It is also implicated in several cancers, further underscoring its broad physiological and pathological relevance.


6. Therapeutic Potential of AIF-1


Given its pivotal role in immune responses, AIF-1 presents an intriguing target for therapeutic interventions in immune-related diseases. Modulating the activity of AIF-1 could potentially alleviate pathological inflammation and autoimmunity.


7. Conclusion and Future Perspectives


Our knowledge of AIF-1 and its functions has significantly improved in recent years, but much remains to be discovered. Further research into AIF-1's exact molecular mechanisms and roles in disease will undoubtedly contribute to the development of novel therapeutic strategies.


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