Human Fas/CD95/TNFRSF6 enzyme-linked immunoassay kit

Usd: 499 Special Discount

Specification

96T

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Catalog# EH0296

Human Fas/CD95/TNFRSF6 enzyme-linked immunoassay kit

Application

ELISA

Reactivity

Human

Standard curve range

46.66~1000 pg/ml

Overview

Product Name

Human Fas/CD95/TNFRSF6 enzyme-linked immunoassay kit

Product Type

Elisa Kit

Sensitivity

14.21 pg/ml (50 μl)

pg/ml	O.D.		Average	Corrected
0.00	0.0069	0.0070	0.0070
46.66	0.0162	0.0156	0.0159	0.0090
77.76	0.0302	0.0331	0.0317	0.0247
129.60	0.0750	0.0783	0.0767	0.0697
216.00	0.2002	0.2083	0.2043	0.1973
360.00	0.5135	0.5297	0.5216	0.5147
600.00	1.3260	1.3430	1.3345	1.3276
1000.00	3.0010	3.0360	3.0185	3.0116

Precision

	Intra-assay Precision			Inter-assay Precision
Sample Number	S1	S2	S3	S1	S2	S3
Sample Number	22	22	22	6	6	6
Average (pg/ml)	22.3	111.3	323.8	21.6	118.3	345.4
Standard Deviation	1.4	2.3	6.1	1.6	3.3	9.2
Coefficient of Variation (%)	6.1	2.1	1.9	7.2	2.8	2.7

Intra-assay Precision (Precision within an assay) Three samples of known concentration were tested twenty-two times on one plate to assess intra-assay precision.

Inter-assay Precision (Precision between assays) Three samples of known concentration were tested six times on one plate to assess intra-assay precision.

Spike Recovery

The spike recovery was evaluated by spiking 3 levels of human Fas/CD95/TNFRSF6 into health human serum sample. The un-spiked serum was used as blank in this experiment.
The recovery ranged from 90% to 122% with an overall mean recovery of 114%.

Sample Value

Sample Matrix	Sample Evaluated	Range (pg/ml)	Detectable (%)	Mean of Detectable (pg/ml)
Serum	30	708.03-1903.19	100.0	1101.29

Serum/Plasma– Thirty samples from apparently healthy volunteers were evaluated for the presence of human Fas/CD95/TNFRSF6 in this assay. No medical histories were available for the donors. n.d. = non-detectable. Samples measured below the sensitivity are considered to be non-detectable.

Experiment Type

Sandwich Elisa

Species Reactivity

Human

Detection Method

Colorimetric

Operation Duration

120min

Standard Curve Gradient

7 Points

Incubation Count

Detectable Sample

Dosing Volume

50 μl

Product Features

Storage Condition

Store at 2-8 ℃

Target

UNIPROT

SwissProt: P25445 Human

Function

Tumor Necrosis Family Receptor (TNFR) superfamily member Fas, also known as CD95, APO-1, and TNFRSF6, is a 40-50 kDa type I transmembrane glycoprotein that is traditionally considered a death receptor but also functions in non-apoptotic signaling. The human Fas/TNFRSF6/CD95 protein is encoded by the FAS gene which contains 9 exons and is located on chromosome 10 (10q23.3-4). The mature canonical Fas/TNFRSF6 protein isoform is 335 aa in length, which includes the signal sequence, and has a theoretical molecular weight of 37.7 kDa. The protein contains an extracellular domain (ECD) consisting of three calcium rich domains (CRDs), a transmembrane domain (TM), and an intracellular domain (ICD) comprised of a calcium-inducing domain (CID) and characteristic dead domain (DD). The Fas protein is expressed on the plasma membrane of activated lymphocytes as a homotrimer formed via CRD1 interactions. The DD is crucial for apoptotic signaling which is triggered by the Fas receptor binding its ligand, Fas ligand (FasL). Upon Fas-FasL interaction, the DD recruits an adapter protein Fas-associated DD (FADD) and procaspase-8, generating the death-inducing signaling complex (DISC) (1-4,6-8). Formation of DISC activates caspase-8 and leads to cleavage of caspase-3, initiating a caspase-signaling cascade and cell death. Fas-FasL-mediated apoptosis is important in immune homeostasis and removal of autoreactive T cells, autoreactive B cells, cytotoxic natural killer (NK) cells, and more. Dysfunction and mutations in the Fas receptor and the Fas-FasL signaling axis is associated a loss of apoptotic signaling and removal of autoreactive cells, which correlates with several autoimmune diseases including systemic lupus erythematosus (SLE), autoimmune lymphoproliferative syndrome (ALPS), and multiple sclerosis (MS). In addition to apoptosis and cell death signaling, FasL/TNFRSF6/CD95 mediates other pathways involved in proliferation, survival, and differentiation (3,4,6,8). More specifically, Fas has been shown to activate the NF-kappaB pathway, driving innate immunity which includes IL-1beta production and functioning in host defense. Fas is also involved in adaptive immunity playing a role in co-stimulation of CD4+ and CD8+ T cell activation as well as precocious differentiation of naive cells to effector memory T cells. Differentiation into effector memory T cells shows protection against autoimmunity but also limits antitumor response to a form of cancer immunotherapy called adoptive cell transfer (ACT). The non-apoptotic roles of the Fas/TNFRSF6/CD95 receptor highlight its potential as a target for both treating autoimmune diseases and in cancer immunotherapy.

Human Fas/CD95/TNFRSF6 enzyme-linked immunoassay kit

Usd: 499 Special Discount

Specification

Overview

Product Name

Product Type

Sensitivity

Precision

Spike Recovery

Sample Value

Experiment Type

Species Reactivity

Detection Method

Operation Duration

Standard Curve Gradient

Incubation Count

Detectable Sample

Dosing Volume

Product Features

Storage Condition

Target

UNIPROT

Function

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