Cat. # | Size | Qty. | Price |
---|---|---|---|
52033T | 1 Kit (9 x 20 microliters) |
|
Product Includes | Quantity | Applications | Reactivity | MW(kDa) | Isotype |
---|---|---|---|---|---|
ASCL1 (E5S4Q) XP® Rabbit mAb 10585 | 20 µl |
|
H | 30 | Rabbit IgG |
NeuroD1 (D90G12) Rabbit mAb 7019 | 20 µl |
|
H | 49 | Rabbit IgG |
YAP (D8H1X) XP® Rabbit mAb 14074 | 20 µl |
|
H M R Hm Mk | 65-78 | Rabbit IgG |
POU2F3 (E5N2D) XP® Rabbit mAb 36135 | 20 µl |
|
H | 45-60 | Rabbit IgG |
Thyroid Transcription Factor 1 (TTF-1) (D2E8) Rabbit mAb 12373 | 20 µl |
|
H M R | 39, 42 | Rabbit |
DLL3 (E3J5R) Rabbit mAb 71804 | 20 µl |
|
H | 65 | Rabbit IgG |
NCAM1 (CD56) (E7X9M) XP® Rabbit mAb 99746 | 20 µl |
|
H M R Mk | 120 to 220 | Rabbit IgG |
Enolase-2 (E2H9X) XP® Rabbit mAb 24330 | 20 µl |
|
H M R | 47 | Rabbit IgG |
CHGA (E8X7R) Rabbit mAb 85798 | 20 µl |
|
H | 80 | Rabbit IgG |
Anti-rabbit IgG, HRP-linked Antibody 7074 | 100 µl |
|
Goat |
Product Information
Monoclonal antibodies are produced by immunizing animals with synthetic peptides corresponding to residues surrounding Pro83 of human ASCL1, Leu160 of human POU2F3, Gly315 of human NeuroD1, Pro566 of human DLL3, Pro799 of human NCAM1/CD56, residues near the amino terminus of human TTF-1 protein, residues near the carboxy terminus of human Enolase-2 and CHGA protein, and a recombinant protein specific to the carboxy terminus of human YAP protein. The epitope corresponds to a region surrounding Pro435 of human YAP isoform 1. This sequence is 100% conserved among all known isoforms of human YAP protein.
Lung cancer is the leading cause of cancer-related mortality worldwide (1). It is generally divided into two broad histological classifications: small cell lung cancer (SCLC) and non-small cell lung cancer (NSCLC). SCLC is particularly aggressive and has been further subdivided by biological heterogeneity. Subtypes of SCLC have recently been described based on expression distinct transcriptional regulators (2,3). These subtypes were labeled as SCLC-A expressing achaete-scute homolog 1 (ASCL1), SCLC-N expressing neurogenic differentiation factor 1 (NeuroD1), SCLC-Y expressing yes-associated protein 1 (YAP), and SCLC-P expressing POU class 2 homeobox 3 (POU2F3). ASCL1 and NeuroD1 drive a neuroendocrine phenotype through regulation of distinct genes. DLL3, an inhibitor of NOTCH signaling, is upregulated by ASCL1 (4). NCAM1 (neural cell adhesion molecule, CD56) is an adhesion glycoprotein that mediates neuronal attachment, neurite extension, and is a marker for the neuroendocrine phenotype (5). Thyroid transcription factor 1 (TTF-1), a member of the NKX homeobox transcription factor family, is expressed in malignant tumors of the thyroid and lung, and it is commonly used as a marker for both primary and malignant lung cancers (6-8). Enolase-2 is a glycolytic enzyme that is involved in the conversion of 2-phosphoglycerate to phosphoenolpyruvate (9). Research studies have shown elevated levels of neuro-specific enolase-2 in neuroblastoma and SCLC (10,11). Chromogranin A (CHGA) is a member of the chromogranin/secretogranin family of neuroendocrine secretory proteins. It is expressed in the secretory vesicles of neurons and endocrine cells (1,2). CHGA is also useful as a serological and immunohistological marker for the presence of neuroendocrine tumors from various tissue sources (12,13). POU2F3 and YAP drive non-neuroendocrine phenotypes. POU2F3 is normally selectively expressed in chemosensory tuft cells, and SCLC expressing POU2F3 resemble that cell type (14). YAP is widely recognized as a key mediator of the Hippo growth signaling pathway (15). Expression of these key biomarkers in SCLC are thought to help predict therapeutic treatment (16).
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