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Manufactured by BioVendor

Allograft Inflammatory Factor 1 Human ELISA

  • Regulatory status:RUO
  • Type:Sandwich ELISA, Biotin-labelled antibody
  • Other names:AIF-1, Ionized calcium-binding adapter molecule 1, Protein G1, AIF1, G1, IBA1
  • Species:Human
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Cat. No. Size Price

RD191204200R 96 wells (1 kit)
PubMed Product Details
Technical Data


Sandwich ELISA, Biotin-labelled antibody


Serum, Plasma-EDTA, Plasma-Citrate

Sample Requirements

20 µl/well


Store the complete kit at 2–8°C. Under these conditions, the kit is stable until the expiration date (see label on the box).

Calibration Curve

Calibration Range

31.3–1000 pg/ml

Limit of Detection

4.0 pg/ml

Intra-assay (Within-Run)

n = 8; CV = 2.0%

Inter-assay (Run-to-Run)

n = 5; CV = 6.6%

Spiking Recovery


Dilutation Linearity




  • For research use only!
  • The total assay time is less than 3 hours
  • The kit measures total Allograft Inflammatory Factor 1 in serum and plasma (EDTA, citrate)
  • Assay format is 96 wells
  • Quality Controls are human serum based
  • Standard is recombinant protein
  • Components of the kit are provided ready to use, concentrated or lyophilized

Research topic

Cardiovascular disease, Immune Response, Infection and Inflammation, Transplantation


Allograft inflammatory factor 1 (AIF-1), is a 17kDa cytoplasm, calcium-binding protein that in humans is encoded by the AIF1 gene. This gene is induced by cytokines and interferon. Three transcript variants encoding different isoforms have been found for this gene. The AIF1 gene is conserved in chimpanzee, Rhesus monkey, dog, cow, mouse, and rat. Allograft inflammatory factor 1 plays a important role in vascular inflammation. AIF-1 is thought to be involved in negative regulation of growth of vascular smooth muscle cells, which contributes to the anti-inflammatory response to vessel wall trauma. AIF-1 also plays an important role in immune response and vasculopathy in allografts. AIF-1 was found in both cardiac allografts and hearts with other cardiac cellular diseases. In cardiac allografts, expression levels of AIF-1 in both cardiomyocytes and mononuclear cells directly correlated with the severity of cardiac cellular rejection. Thus, AIF-1 shows promise that it can be a potential biomarker for cardiac allograft rejection. AIF-1 is a protein whose expression in transplanted human hearts correlates with rejection and development of coronary artery vasculopathy (CAV). AIF-1 is crucial for the survival and pro-inflammatory activity of macrophages. Pro-inflammatory cytokines induced p-regulation of AIF-1 in macrophages. AIF-1 promote the activation and proliferation of T-lymphocytes and enhances lymphocyte migration. In human coronary artery vasculopathy, AIF-1 is expressed in T lymphocytes, and expression increases when T cells are activated. Increased numbers of AIF-1 immunoreactive macrophages/mi­croglial cells were observed in focal human brain infarctions and human traumatic brain injury, in inflammatory lesions of a rat model of autoimmune disease and other disorders. Functional studies revealed that AIF-1 is secreted into the blood stream during experimental autoimmune neuritis. The results of several studies suggest that enhanced AIF-1 expression leads to augmented incorporation of degenerated LDL by macrophages and promotes development of atherosclerotic vasculopathy. AIF-1 is also expressed in tissues from patients with systemic sclerosis.

References to Summary

References to Allograft Inflammatory Factor 1

  • Broglio L, Erne B, Tolnay M, Schaeren-Wiemers N, Fuhr P, Steck AJ, Renaud S. Allograft inflammatory factor-1: a pathogenetic factor for vasculitic neuropathy. Muscle Nerve. 2008 Oct;38 (4):1272-9
  • Do Carmo S, Fournier D, Mounier C, Rassart E. Human apolipoprotein D overexpression in transgenic mice induces insulin resistance and alters lipid metabolism. Am J Physiol Endocrinol Metab. 2009 Apr;296 (4):E802-11
  • Eichinger A, Nasreen A, Kim HJ, Skerra A. Structural insight into the dual ligand specificity and mode of high density lipoprotein association of apolipoprotein D. J Biol Chem. 2007 Oct 19;282 (42):31068-75
  • Eichinger A, Nasreen A, Kim HJ, Skerra A. Structural insight into the dual ligand specificity and mode of high density lipoprotein association of apolipoprotein D. J Biol Chem. 2007 Oct 19;282 (42):31068-75
  • Gysemans C, Callewaert H, Moore F, Nelson-Holte M, Overbergh L, Eizirik DL, Mathieu C. Interferon regulatory factor-1 is a key transcription factor in murine beta cells under immune attack. Diabetologia. 2009 Nov;52 (11):2374-84
  • Jiang W, Kong L, Wu X, Pu L, Wang X. Allograft inflammatory factor-1 is up-regulated in warm and cold ischemia-reperfusion injury in rat liver and may be inhibited by FK506. J Surg Res. 2011 Jan;165 (1):158-64
  • Perdomo G, Dong HH. Allograft Inflammatory Factor 1 in lipid metabolism and its functional implication in atherosclerosis and aging. Aging. 2009;:1(1): 17 – 27
  • Rassart E, Bedirian A, Do Carmo S, Guinard O, Sirois J, Terrisse L, Milne R. Apolipoprotein D. Biochim Biophys Acta. 2000 Oct 18;1482 (1-2):185-98
  • Yang ZF, Ho DW, Lau CK, Lam CT, Lum CT, Poon RT, Fan ST. Allograft inflammatory factor-1 (AIF-1) is crucial for the survival and pro-inflammatory activity of macrophages. Int Immunol. 2005 Nov;17 (11):1391-7
  • Zhou X, He Z, Henegar J, Allen B, Bigler S. Expression of allograft inflammatory factor-1 (AIF-1) in acute cellular rejection of cardiac allografts. Cardiovasc Pathol. 2011 Sep-Oct;20 (5):e177-84
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