Procalcitonin Porcine

Procalcitonin Porcine Recombinant
Cat. No.
BT18126
Source
Escherichia Coli.
Synonyms
Calcitonin, Preprocalcitonin, Calca.
Appearance
Filtered White lyophilized (freeze-dried) powder.
Purity
Greater than 95.0% as determined by SDS-PAGE.
Usage
Prospec'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

Procalcitonin Porcine Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain (Thr26-Asn141) containing 126 amino acids including a 10 aa His tag at N-terminus. The total calculated molecular mass is 14.1kDa.

Product Specs

Introduction
Procalcitonin, a peptide hormone primarily synthesized by the thyroid's C cells and specific endocrine cells within the lungs, undergoes immediate cleavage into three distinct fragments under normal expression: an N-terminal residue, calcitonin, and katacalcin. Significant elevations in unprocessed procalcitonin levels are observed following bacterial infections, trauma, or shock.
Description
Recombinant Porcine Procalcitonin, produced in E. coli, is a single, non-glycosylated polypeptide chain encompassing amino acids Thr26 to Asn141 (126 amino acids total), including a 10 amino acid His tag at the N-terminus. The calculated molecular mass is 14.1 kDa.
Physical Appearance
White, lyophilized (freeze-dried) powder after filtration.
Formulation
The Procalcitonin was filtered through a 0.4 µm filter and subsequently lyophilized in a solution of 20 mM TRIS and 50 mM NaCl at pH 8.0.
Solubility
To prepare a working stock solution of approximately 0.5 mg/ml, it is recommended to add deionized water to the lyophilized pellet and allow for complete dissolution. Please note that the Procalcitonin is not sterile. Prior to cell culture use, it is essential to filter the product using an appropriate sterile filter.
Stability
The lyophilized protein should be stored at -20°C. To prevent repeated freeze-thaw cycles, aliquot the product after reconstitution. Reconstituted protein demonstrates stability at 4°C for a limited period and exhibits no changes for up to two weeks when stored at this temperature.
Purity
SDS-PAGE analysis indicates a purity greater than 95.0%.
Synonyms
Calcitonin, Preprocalcitonin, Calca.
Source
Escherichia Coli.
Amino Acid Sequence
MKHHHHHHASTPLRSALETL PDPGPLSEKE GRLLLAALVK AYVQRKTNEL EQEQEQETEG SSLDSSRAKR CSNLSTCVLS AYWRNLNNFH RFSGMGFGPE TPGKKSDIAS SLERDLFPRG MPQDAN.

Product Science Overview

Background of Procalcitonin Porcine Recombinant

Procalcitonin is a peptide precursor of the hormone calcitonin, which is primarily produced by the thyroid gland. It is composed of 116 amino acids and is encoded by the CALC-1 gene. Under normal physiological conditions, procalcitonin levels in the blood are very low. However, during systemic inflammation, particularly due to bacterial infections, the levels of procalcitonin can rise significantly, making it a valuable biomarker for diagnosing sepsis and other bacterial infections .

Recombinant Procalcitonin refers to procalcitonin that is produced using recombinant DNA technology. This involves inserting the gene that encodes procalcitonin into a host organism, such as bacteria or yeast, which then produces the protein. This method allows for the production of large quantities of procalcitonin for research and clinical use .

Porcine Recombinant Procalcitonin specifically refers to procalcitonin that is derived from pigs. Pigs are often used in biomedical research due to their physiological similarities to humans. The recombinant form of porcine procalcitonin is produced by inserting the porcine procalcitonin gene into a host organism, which then expresses the protein. This recombinant protein can be used in various research applications, including the study of sepsis and other inflammatory conditions .

Clinical Significance

Procalcitonin is a crucial biomarker in the medical field. Its levels in the blood increase significantly in response to bacterial infections, making it a valuable tool for diagnosing sepsis. Sepsis is a life-threatening condition caused by the body’s response to an infection, leading to tissue damage, organ failure, and potentially death. Early diagnosis and treatment are critical for improving patient outcomes, and procalcitonin levels can help guide clinical decisions regarding the use of antibiotics and other treatments .

Production and Applications

The production of recombinant procalcitonin involves several steps:

  1. Gene Cloning: The gene encoding procalcitonin is isolated and inserted into a plasmid vector.
  2. Transformation: The plasmid vector is introduced into a host organism, such as Escherichia coli.
  3. Expression: The host organism expresses the procalcitonin protein.
  4. Purification: The recombinant procalcitonin is purified from the host organism using various chromatographic techniques.

Recombinant procalcitonin is used in various research and clinical applications, including:

  • Diagnostic Assays: Procalcitonin levels are measured in blood samples to diagnose bacterial infections and sepsis.
  • Research Studies: Recombinant procalcitonin is used in studies to understand the mechanisms of sepsis and other inflammatory conditions.
  • Therapeutic Development: Research on procalcitonin can lead to the development of new therapies for sepsis and other diseases .

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