VSNL1 Human

Visinin-Like Protein-1 Human Recombinant
Cat. No.
BT25883
Source
Escherichia Coli.
Synonyms
VISL1, VISL-1, VIS1, VIS-1, VILIP, HLP3, Hippocalcin-like protein 3, VSNL1, VILIP-1, VILIP1, HLP-3, HPCAL3, HUVISL1, Visinin-like protein 1.
Appearance
Sterile Filtered colorless solution.
Purity
Greater than 95.0% as determined by SDS-PAGE.
Usage
THE BioTek's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
Shipped with Ice Packs
In Stock

Description

VSNL1 Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 191 amino acids (1-191 a.a.) and having a molecular mass of 22.1kDa.
The VSNL1 is purified by proprietary chromatographic techniques.

Product Specs

Introduction

VSNL1, also known as VILIP1, is a member of the visinin/recoverin family of neuronal calcium sensor proteins. It is highly expressed in cerebellar granule cells, where it exhibits calcium-dependent membrane association and plays a role in modulating intracellular signaling pathways within the central nervous system. VSNL1 is involved in regulating adenylyl cyclase activity directly or indirectly. Studies have shown altered VSNL1 expression in the hippocampus of individuals with schizophrenia, with increased immunoreactivity observed in interneurons. Furthermore, VSNL1 is expressed in pancreatic beta-cells and interacts with both the cell membrane and the actin-based cytoskeleton. Notably, it has been found to influence cAMP accumulation in C6 glioma cells, while HLP3, another protein, modulates cGMP accumulation in transfected neural cells and cerebellar granule neurons.

Description
Recombinant human VSNL1, expressed in E. coli, is a single, non-glycosylated polypeptide chain consisting of 191 amino acids (residues 1-191). With a molecular weight of 22.1 kDa, this protein is purified to high purity using proprietary chromatographic techniques.
Physical Appearance
Sterile filtered, colorless solution.
Formulation
The VSNL1 protein solution is supplied in 20mM Tris-HCl buffer (pH 8.0) containing 1mM DTT and 10% glycerol.
Stability
For short-term storage (2-4 weeks), keep at 4°C. For extended periods, store frozen at -20°C. The addition of a carrier protein (0.1% HSA or BSA) is recommended for long-term storage. Avoid repeated freeze-thaw cycles.
Purity
Purity exceeds 95.0% as determined by SDS-PAGE analysis.
Synonyms
VISL1, VISL-1, VIS1, VIS-1, VILIP, HLP3, Hippocalcin-like protein 3, VSNL1, VILIP-1, VILIP1, HLP-3, HPCAL3, HUVISL1, Visinin-like protein 1.
Source
Escherichia Coli.
Amino Acid Sequence
MGKQNSKLAP EVMEDLVKST EFNEHELKQW YKGFLKDCPS GRLNLEEFQQ LYVKFFPYGD ASKFAQHAFR TFDKNGDGTI DFREFICALS ITSRGSFEQK LNWAFNMYDL DGDGKITRVE MLEIIEAIYK MVGTVIMMKM NEDGLTPEQR VDKIFSKMDK NKDDQITLDE FKEAAKSDPS IVLLLQCDIQ K.

Product Science Overview

Structure and Function

VILIP-1 is a calcium-binding protein that plays a crucial role in regulating neuronal growth, survival, and synaptic plasticity . It associates with membranes in a calcium-dependent manner and modulates intracellular signaling pathways by directly or indirectly regulating the activity of adenylyl cyclase . This protein is involved in various biological processes, including:

  • Positive regulation of exocytosis
  • Positive regulation of insulin secretion in response to glucose stimulus
  • Negative regulation of insulin secretion
Clinical Significance

VILIP-1 has emerged as a potential biomarker for neurodegenerative diseases, particularly Alzheimer’s disease (AD) . Elevated levels of VILIP-1 in cerebrospinal fluid (CSF) and serum have been associated with early stages of AD and other conditions like Creutzfeldt-Jakob disease (CJD) . The analysis of VILIP-1 levels in CSF and serum can aid in the differential diagnosis of these diseases .

Research and Applications

Recent studies have focused on developing sensitive assays for detecting VILIP-1 in CSF and serum. One such assay is the single molecule array (Simoa) assay, which has shown promise in the early diagnosis of AD . Additionally, VILIP-1 is being studied as a marker for neuronal injury in stroke, traumatic brain injuries, and other neurodegenerative conditions .

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