T6632
Thymidine Phosphorylase, recombinant from Escherichia coli
recombinant, expressed in E. coli, buffered aqueous solution, ≥900 units/mL, 0.2 μm filtered
Synonym(s):
Thymidine:orthophosphate deoxy-D-ribosyltransferase
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About This Item
CAS Number:
UNSPSC Code:
12352204
NACRES:
NA.54
MDL number:
Product Name
Thymidine Phosphorylase, recombinant from Escherichia coli, recombinant, expressed in E. coli, buffered aqueous solution, ≥900 units/mL, 0.2 μm filtered
recombinant
expressed in E. coli
sterility
0.2 μm filtered
form
buffered aqueous solution
concentration
≥900 units/mL
UniProt accession no.
storage temp.
2-8°C
Quality Level
Gene Information
Escherichia coli K12 ... deoA(948901)
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Application
Thymidine phosphorylase has been used in a study to evaluate biomarkers for advanced breast cancer patients treated with capecitabine-based first-line chemotherapy. Thymidine phosphorylase has also been used in a study to investigate implications for the clinical efficacy of nucleoside analogues.
Biochem/physiol Actions
An enzyme that catalyzes the reversible conversion of thymidine to thymine. Thymidine phosphorylase is part of the pyrimidine nucleoside salvage pathway.
An enzyme that catalyzes the reversible conversion of thymidine to thymine. Thymidine phosphorylase is part of the pyrimidine nucleoside salvage pathway. This pathway allows pyrimidine bases to be recycled for nucleotide biosynthesis, while the pentose 1-phosphates are converted to intermediates of the pentose phosphate shunt and glycolysis. The E. coli thymidine phosphorylase shares 40% sequence homology with the human sequence, which has been found to be identical to the angiogenic agent platelet-derived endothelial growth factor. The purified E. coli enzyme has been shown to stimulate blood vessel growth in chick chorioallantoic membrane assays.
General description
Thymidine phosphorylase inhibits vascular smooth muscle cell proliferation.
Other Notes
One unit will convert 1.0 μmole each of thymidine and phosphate to thymine and 2-deoxyribose 1-phosphate per min at pH 7.4 at 25°C.
Physical form
Solution in 0.5 M potassium phosphate containing 2 mM uracil, 0.02% sodium azide and bovine serum albumin
Preparation Note
Cloned from E. coli and produced in overexpressing E. coli
Storage Class
12 - Non Combustible Liquids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
Regulatory Information
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Agnieszka Zagórska et al.
Materials (Basel, Switzerland), 14(15) (2021-08-08)
Cancer represents one of the most serious health problems and the second leading cause of death around the world. Heterocycles, due to their prevalence in nature as well as their structural and chemical diversity, play an immensely important role in
Domenico Ribatti et al.
Expert opinion on therapeutic targets, 16(12), 1215-1225 (2012-09-18)
Several anti-angiogenic agents have been developed and some of them have been clinically applied in the tumor therapy. Anti-angiogenic therapy faces some hurdles: inherent or acquired resistance, increased invasiveness, and lack of biomarkers. Characterization of tumor endothelial markers may help
Richard A Norman et al.
Structure (London, England : 1993), 12(1), 75-84 (2004-01-17)
Human thymidine phosphorylase (HTP), also known as platelet-derived endothelial cell growth factor (PD-ECGF), is overexpressed in certain solid tumors where it is linked to poor prognosis. HTP expression is utilized for certain chemotherapeutic strategies and is also thought to play
Alexandra Giatromanolaki et al.
Cancer biology & therapy, 13(13), 1284-1289 (2012-08-17)
Tumor-associated stroma (TAS) is not simply a supporting element for cancer cells, but plays an important role in tumor growth, invasion and metastasis. Changes on the level of stromal constituents, such as loss of Caveolin-1 and increased thymidine phosphorylase (TP)
Hong-Yun Zhao et al.
Anti-cancer drugs, 23(5), 534-542 (2012-04-07)
The aim of the present study was to investigate the gene expression of biomarkers associated with the sensitivity to fluoropyrimidine and taxanes in recurrent/advanced breast cancer patients treated with first-line capecitabine chemotherapy. We evaluated the clinicopathological/prognostic significance of thymidylate synthase
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