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Rabbit IFN gamma (Yeast-derived Recombinant Protein)- 25 micrograms

RP0136U-025
$300.00
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Interferon-gamma (IFN-gamma) is a dimerized soluble cytokine that is the only member of the type II class of interferons. This interferon was originally called macrophage-activating factor, a term now used to describe a larger family of proteins to which IFN-gamma belongs. IFN-gamma, or type II interferon, is a cytokine that is critical for innate and adaptive immunity against viral and intracellular bacterial infections and for tumor control. Aberrant IFN-gamma expression is associated with a number of autoinflammatory and autoimmune diseases. The importance of IFN-gamma in the immune system stems in part from its ability to inhibit viral replication directly, but, most important, derives from its immunostimulatory and immunomodulatory effects. IFN-gamma is produced predominantly by natural killer (NK) and natural killer T (NKT) cells as part of the innate immune response, and by CD4 and CD8 cytotoxic T lymphocyte (CTL) effector T cells once antigen-specific immunity develops.

Alternate Names - IFNG, IFG, IFI, interferon, gamma, interferon gamma

IFN-γ Homology Across Species
Oryctolagus cuniculus (rabbit) IFN-γ – 100%
More - https://blast.ncbi.nlm.nih.gov/

Rabbit IFN gamma (Yeast-derived Recombinant Protein)- 25 micrograms
Catalog No.:
RP0136U-025
Quantity:
25 ug
Source:
The Rabbit IFN gamma recombinant protein was produced in yeast and therefore does not have endotoxin, is naturally folded, and post-translationally modified.
MW:
The Rabbit IFN gamma recombinant protein has a predicted molecular weight of 16.9 kDa.
Protein Sequence:
QDTLTRETEH LKAYLKANTS DVANGGPLFL NILRNWKEES DNKIIQSQIV SFYFKLFDNL KDHEVIKKSM ESIKEDIFVK FFNSNLTKMD DFQNLTRISV DDRLVQRKAV SELSNVLNFL SPKSNLKKRK RSQTLFRGRR ASKY (144)
Country of Origin:
USA
Applications:
The rabbit IFN gamma endotoxin-free recombinant protein can be used in cell culture, as a IFN gamma ELISA Standard, and as a Western Blot Control.

28222511

Evaluation of a DNA Aβ42 Vaccine in Aged NZW Rabbits: Antibody Kinetics and Immune Profile after Intradermal Immunization with Full-Length DNA Aβ42 Trimer.

Lambracht-Washington D, Fu M, Wight-Carter M, Riegel M, Rosenberg RN.

J Alzheimers Dis. 2017;57(1):97-112. doi: 10.3233/JAD-160947.

Applications: Determine frequencies of cytokine secreting cells by ELISPOT for rabbit IFN gamma, IL-17A, and IL-4.

Abstract
A pathological hallmark of Alzheimer's disease (AD) are amyloid plaques in the brain consisting of aggregated amyloid-β 42 peptide (Aβ42) derived from cellular amyloid-β protein precursor (AβPP). Based on successful experiments in mouse AD models, active immunization with Aβ42 peptide and passive immunizations with anti-Aβ42 antibodies were started in clinical trials. Active Aβ42 peptide immunization in humans had led to an inflammatory autoimmune response, and the trial was stopped. Passive immunizations had shown some effects in slowing AD pathology. Active DNA Aβ42 immunizations administered with the gene gun into the skin elicits a different immune response and is non-inflammatory. While in rodents, good responses had been found for this type of immunization, positive results in larger mammals are missing. We present here results from sixteen New Zealand White Rabbits, which underwent intradermal DNA Aβ42 immunization via gene gun. The humoral immune response was analyzed from blood throughout the study, and cellular immune responses were determined from spleens at the end of the study. A good anti-Aβ antibody response was found in the rabbit model. The T cell response after re-stimulation in cell culture showed no IFNγ producing cells when ELISPOT assays were analyzed from PBMC, but low numbers of IFNγ and IL-17 producing cells were found in ELISPOTS from spleens (both 5 immunizations). Brains from immunized rabbits showed no signs of encephalitis. Based on these results, DNA Aβ42 immunization is highly likely to be safe and effective to test in a possible clinical AD prevention trial in patients.


22796166

Immune responses during healing of massive segmental femoral bone defects mediated by hybrid baculovirus-engineered ASCs.

Lin CY, Lin KJ, Li KC, Sung LY, Hsueh S, Lu CH, Chen GY, Chen CL, Huang SF, Yen TC, Chang YH, Hu YC.

Biomaterials. 2012 Jul 13

Applications: ELISA Standard

Abstract
Baculovirus holds promise for genetic modification of adipose-derived stem cells (ASCs) and bone engineering. To explore the immune responses during bone healing and the cell fate, ASCs were mock-transduced (Mock group), transduced with the baculovirus transiently expressing growth factors promoting osteogenesis (BMP2) or angiogenesis (VEGF) (S group), or transduced with hybrid baculoviruses persistently expressing BMP2/VEGF (L group). After allotransplantation into massive femoral defects in rabbits, these 3 groups triggered similar degrees of transient inflammatory response (e.g. neutrophil proliferation and immune cell infiltration into the graft site), revealing that baculovirus and transgene products did not exacerbate the inflammation. The cells in all 3 groups underwent apoptosis initially, persisted for at least 4 weeks and were eradicated thereafter. The L group prolonged the in vivo BMP2/VEGF expression (up to 4 weeks), extended the antibody responses, and slightly enhanced the cell-mediated cytotoxicity. Nonetheless, the L group led to remarkably better bone healing and remodeling than the Mock and S groups. These data confirmed that the ASCs engineered with the hybrid BV imparted prolonged expression of BMP2/VEGF which, although stimulated low levels of humoral and cell-mediated immune responses, essentially augmented the healing of massive segmental bone defects.


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