PTH (7-34) Human

Parathyroid Hormone (7-34) Human Recombinant
Cat. No.
BT19657
Source
Escherichia Coli.
Synonyms
PTH/PTHrP receptor antagonist, PTHrP analog, PTHR, MGC138426, MGC138452.
Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Purity
Greater than 97.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis 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

Parathyroid Hormone Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 28 amino acids and having a molecular mass of 3380 Dalton.
The PTH is purified by proprietary chromatographic techniques.

Product Specs

Introduction
Parathyroid hormone (PTH) is essential for calcium homeostasis. It stimulates calcium release from bone, enhances calcium absorption in the intestines, and regulates calcium levels in the blood. PTH (7-34) is a fragment that acts as a PTH/PTHrP receptor antagonist and has shown potential in stimulating hair growth and skin cell proliferation in mice.
Description
Recombinant Human Parathyroid Hormone (PTH) is a single, non-glycosylated polypeptide chain comprising 28 amino acids with a molecular weight of 3380 Daltons. Produced in E. coli, it is purified using advanced chromatographic techniques.
Physical Appearance
White, sterile, lyophilized powder.
Formulation
The PTH protein, at a concentration of 1 mg/ml, undergoes extensive dialysis against a solution of 20mM PBS (pH 7.0) and 150mM NaCl before being lyophilized.
Solubility
To reconstitute the lyophilized PTH, it is recommended to dissolve it in sterile 18 MΩ-cm H2O at a concentration of at least 100 µg/ml. The resulting solution can be further diluted with other aqueous solutions as needed.
Stability
Lyophilized Parathyrin remains stable at room temperature for up to 3 weeks. However, it is recommended to store it desiccated below -18°C for long-term storage. After reconstitution, store PTH at 4°C for up to 7 days. For extended storage, add a carrier protein (0.1% HSA or BSA) and store below -18°C. Avoid repeated freeze-thaw cycles.
Purity
Exceeds 97.0% purity as determined by: (a) Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) analysis and (b) Sodium Dodecyl Sulfate-Polyacrylamide Gel Electrophoresis (SDS-PAGE) analysis.
Biological Activity
The biological activity, as measured using the UMR106 cell/cAMP method, corresponds to a specific activity of 10,000 Units/mg.
Synonyms
PTH/PTHrP receptor antagonist, PTHrP analog, PTHR, MGC138426, MGC138452.
Source
Escherichia Coli.
Amino Acid Sequence
LMHNLGKHLN SMERVEWLRK KLQDVHNF.

Product Science Overview

Structure and Function

Parathyroid Hormone (7-34) is a fragment of the full-length PTH, which consists of 84 amino acids. The fragment (7-34) retains the biological activity necessary for binding to the PTH receptor but lacks the full spectrum of activity seen with the complete hormone . This truncated version is often used in research to study the specific interactions and functions of the hormone without the full physiological effects of the complete molecule.

Recombinant Production

The recombinant form of Parathyroid Hormone (7-34) is produced using genetic engineering techniques. The gene encoding the desired fragment is inserted into a suitable expression system, such as E. coli, which then produces the hormone fragment in large quantities . This method ensures a high degree of purity and consistency in the produced hormone, making it suitable for both research and therapeutic applications.

Medical Applications

Recombinant human PTH, including its fragments like (7-34), is used in various medical applications. It is particularly significant in the treatment of conditions such as hypoparathyroidism, where the body produces insufficient amounts of PTH . By supplementing with recombinant PTH, it is possible to manage calcium levels more effectively in affected individuals.

Research and Development

The (7-34) fragment of PTH is extensively used in research to understand the hormone’s mechanism of action. Studies often focus on its role in bone metabolism, calcium regulation, and its potential therapeutic uses . The ability to produce this fragment recombinantly has opened up numerous avenues for scientific exploration and potential new treatments for related disorders.

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