» Articles » PMID: 2539181

Immunohistochemical Localisation of Tissue Plasminogen Activator in Human Brain Tumours

Overview
Journal Br J Cancer
Specialty Oncology
Date 1989 Mar 1
PMID 2539181
Citations 5
Authors
Affiliations
Soon will be listed here.
Abstract

The distribution of tissue plasminogen activator (t-PA) has been studied in a series of 38 human brain tumours and two specimens of cerebral cortex, using the monoclonal antibody ESP6. t-PA was localised in vascular endothelium in the majority of tumours and both the cortical specimens, confirmed by double staining with Ulex europaeus lectin (Uel) and Factor 8-related antigen. Nineteen out of 22 high grade astrocytomas showed strong endothelial staining whereas staining was weak or absent in the four low grade astrocytomas studied. No consistent relationship was found between the pattern of staining and tumour grade in the other tumours, although strong staining of the three metastatic lesions with Uel was observed. Among the astroglial tumours only one glioblastoma showed any tumour cell staining for t-PA, which raises questions concerning the origin of t-PA producing cells derived from human gliomas in vitro. Studies of t-PA in brain tumours should take account of this vascular localisation before concluding that the activity is derived from neoplastic cells.

Citing Articles

Modulation of tissue-type plasminogen activator expression by platelet activating factor in human glioma cells.

Akai T, Niiya K, Sakuragawa N, Iizuka H, Endo S J Neurooncol. 2002; 59(3):193-8.

PMID: 12241114 DOI: 10.1023/a:1019966918589.


The hemostatic system and angiogenesis in malignancy.

Wojtukiewicz M, Sierko E, Klement P, Rak J Neoplasia. 2001; 3(5):371-84.

PMID: 11687948 PMC: 1506206. DOI: 10.1038/sj.neo.7900184.


Inhibition of tumor necrosis factor-alpha and -beta secretion by lymphokine activated killer cells by transforming growth factor-beta.

Naganuma H, Sasaki A, Satoh E, Nagasaka M, Nakano S, Isoe S Jpn J Cancer Res. 1994; 85(9):952-7.

PMID: 7961125 PMC: 5919594. DOI: 10.1111/j.1349-7006.1994.tb02974.x.


Prognostic role of urokinase-type plasminogen activator in human gliomas.

Hsu D, Efird J, Hedley-Whyte E Am J Pathol. 1995; 147(1):114-23.

PMID: 7604873 PMC: 1869896.


Prognostic significance of proteolytic enzymes in human brain tumors.

Bindal A, Hammoud M, Shi W, Wu S, Sawaya R, Rao J J Neurooncol. 1994; 22(2):101-10.

PMID: 7538161 DOI: 10.1007/BF01052886.

References
1.
Cohadon F, Aouad N, Rougier A, Vital C, Rivel J, Dartigues J . Histologic and non-histologic factors correlated with survival time in supratentorial astrocytic tumors. J Neurooncol. 1985; 3(2):105-11. DOI: 10.1007/BF02228885. View

2.
Unkeless J, Gordon S, Reich E . Secretion of plasminogen activator by stimulated macrophages. J Exp Med. 1974; 139(4):834-50. PMC: 2139579. DOI: 10.1084/jem.139.4.834. View

3.
Franks A, Burrow H . In vitro heterogeneity in human gliomas. Are all transformed cells of glial origin?. Anticancer Res. 1986; 6(4):625-9. View

4.
Presta M, Moscatelli D, Rifkin D . Purification from a human hepatoma cell line of a basic fibroblast growth factor-like molecule that stimulates capillary endothelial cell plasminogen activator production, DNA synthesis, and migration. Mol Cell Biol. 1986; 6(11):4060-6. PMC: 367172. DOI: 10.1128/mcb.6.11.4060-4066.1986. View

5.
McLean J, Frame M, Freshney R, Vaughan P, Mackie A, Singer I . Phenotypic modification of human glioma and non-small cell lung carcinoma by glucocorticoids and other agents. Anticancer Res. 1986; 6(5):1101-6. View