Thymosin beta4 derivative and itsuse

A technology of derivatives and peptide thymus, which is applied in the field of protein drug derivatives, can solve the problem of heart disease therapy changing the way medical staff deal with heart disease

Active Publication Date: 2007-03-28
BEIJING NORTHLAND BIOTECH
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  • Abstract
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  • Claims
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The findings, made in rat experiments, could eventually lead to new treatments for

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  • Thymosin beta4 derivative and itsuse
  • Thymosin beta4 derivative and itsuse

Examples

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Embodiment Construction

[0014] The following examples are only illustrations of the present invention, and do not impose any limitation on the present invention.

[0015] 1) Obtaining thymosin β4 derivatives

[0016] First, the whole gene sequence of thymosin β4 precursor protein was amplified by whole gene synthesis:

[0017] GGA TCC GAC AAA CCC GAT ATG GCT GAG ATC GAG AAA TTC GAT AAG TCG AAA

[0018] CTG AAG AAG ACA GAG ACG CAA GAG AAA AAT CCA CTG CCT TCC AAA GAA ACG

[0019] ATT GAA CAG GAG AAG CAA GCA GGC GAA TCG TAA GTC GAC

[0020] Using the GST gene as a template, a product of about 500 bp was amplified by PCR. After sequencing plasmid cloning and gene sequencing, the designed sequence was obtained for future use.

[0021] The target fragments were digested by BamH I, EcoR I, and XhoI to recover small fragments respectively, and the plasmid PGM was digested by XhoI and EcoRI to recover large fragments, and the three target gene fragments were ligated in the T4 ligase system at 18°C. The re...

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Abstract

The invention relates to one section of thymosin beta 4 derivatives with high bioactivity which can be used to repair cornea, skin, and heart injury.

Description

1. Technical field [0001] The present invention belongs to the field of production of protein drug derivatives. By modifying the natural protein thymosin β4 (Tβ4), a derivative of Tβ4, Gly-Tβ4, was obtained. Experiments have proved that the derivative plays a very important role in the repair process of damaged tissues, and is expected to be developed as a new drug for the benefit of human beings. 2. Background technology [0002] The immune system is the body's defense system. The main cells involved in the immune response are T lymphocytes, B lymphocytes and macrophages. The thymus is the central immune organ for the development and differentiation of T lymphocytes. Thymus factors (or hormones) secreted by the thymus are a series of essential substances required for the development and differentiation of T lymphocytes, among which thymosin β4 (Tβ4) is a major thymus factor whose structure and function have been clarified. Thymosin-beta 4 enhanced embryonic and postnata...

Claims

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Application Information

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IPC IPC(8): C07K14/575A61K38/22A61P27/02A61P9/10A61P17/02
Inventor 聂李亚马素永许松山文美玉
Owner BEIJING NORTHLAND BIOTECH
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