Human Kallikrein 8/Neuropsin Antibody
Human Kallikrein 8/Neuropsin Antibody Summary
Accession # O60259
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Preparation and Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: Kallikrein 8/Neuropsin
Kallikrein 8 (KLK8), also known as neuropsin or ovasin, is a member of the human tissue kallikrein family (1). Two alternatively spliced forms exist, resulting in 260 (isoform 1) and 305 (isoform 2) amino acid (aa) sequences, respectively (2). Isoform 1 consists of a signal peptide (residues 1 to 28), a short pro peptide (aa 29‑32) and the mature chain (aa 33-260). Isoform 2 is identical to isoform 1, except that a 45 aa segment is inserted in isoform 2 between aa 23 and 24 in isoform 1. Isoform 1 is predominantly expressed in pancreas whereas isoform 2 is preferentially expressed in adult brain and hippocampus, although both forms are expressed in fetal brain and placenta in comparable levels. The brain function of KLK8 seems evident in neuropsin knockout mice that showed abnormalities of synapses and neurons and predisposation to global seizure activity (3, 4). KLK8 is a novel marker for ovarian and cervical cancer carcinomas (5, 6). Recombinant human KLK8, after being activated by lysyl endopeptidase, can cleave fibronectin and several small peptide substrates (7, 8).
- Yousef, G.M. and E.P. Diamandis (2001) Endocrine Rev. 22:184.
- Mitsui, S. et al. (1999) Eur. J. Biochem. 260:627.
- Hirata, A. et al. (2001) Mol. Cell. Neurosci. 17:600.
- Davies, B. et al. (2001) J. Neurosci. 21:6993.
- Kishi, T. et al. (2003) Cancer Res. 63:2771.
- Cane, S. et al. (2004) Am. J. Obstet. Gynecol. 190:60.
- Oka, T. et al. (2002) J. Biol. Chem. 277:14724.
- Shimizu, C. et al. (1998) J. Biol. Chem. 273:11189.
Citation for Human Kallikrein 8/Neuropsin Antibody
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.
1 Citation: Showing 1 - 1
Inhibition of transcription factor specificity protein 1 alters the gene expression profile of keratinocytes leading to upregulation of kallikrein-related peptidases and thymic stromal lymphopoietin.
Authors: Bin L, Kim BE, Hall CF
J. Invest. Dermatol., 2011-07-14;131(11):2213-22.
Sample Types: Whole Cells
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