The pituitary tumor transforming gene 1 (pttg-1): an immunological target for multiple myeloma

April 12th, 2008 by admin

Background:
Multiple Myeloma is a cancer of B ECF cells, which display non-specific antibodies and proliferate uncontrolled. Due to the possibleness recidivate and non-specificity of underway treatments, immunotherapy promises to be more limited and haw rush long-term status in patients. The endocrine growth transforming factor 1 (PTTG-1) has been shown to be a new oncogene, spoken in the testis, thymus, colon, lung and placenta (undetectable in most another tissues). Furthermore, it is over spoken in some tumors much as the endocrine adenoma, breast, gastrointestinal cancers, leukemia, lymphoma, and lung cancer and it seems to be related with tumorigenesis, angiogenesis and cancer progression. The determine was to analyse the presence/rate of countenance of PTTG-1 in binary myeloma patients.
Methods:
We analyzed the PTTG-1 countenance at the transcriptional and the accelerator level, by PCR, immunocytochemical methods, Dot-blot and assay performed on patient’s sera in 19 binary myeloma patients, 6 assorted binary myeloma radiophone lines and in connatural manlike tissue.
Results:
We did not encounter PTTG-1 proximity in the connatural manlike paper panel, but PTTG-1 RNA was noticeable in 12 of the 19 patients, gift grounds of a 63% evaluate of countenance (data addicted by ELISA). Four of the 6 investigated radiophone lines (66.6%) were constructive for PTTG-1. Investigations of accelerator countenance gave grounds of 26.3% protoplasm countenance and 16% opencast countenance in the ECF cells of binary myeloma patients. Protein proximity was also addicted by Dot-blot in both radiophone lines and patients.
Conclusion:
We ingrained PTTG-1’s proximity at both the transcriptional and accelerator levels. These accumulation declare that PTTG-1 is aberrantly spoken in binary myeloma ECF cells, is highly immunogenic and is a fit direct for immunotherapy of binary myeloma. (Source: Journal of Translational Medicine)

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