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Gravina P.,Clinical Molecular Biology Laboratory | Gravina P.,University of Rome Tor Vergata | Spoletini I.,Instituto Of Ricovero E Cura A Carattere Scientifico Fondazione Santa Lucia | Masini S.,University of Rome Tor Vergata | And 9 more authors.
Psychiatry Research | Year: 2011

Oxidative damage is thought to play a role in the predisposition to schizophrenia. We determined if the polymorphisms of the GSTP1, GSTM1, GSTT1 and GSTA1 genes, which affect the activity of these enzymes against oxidative stress, have a role as susceptibility genes for schizophrenia, analyzing 138 schizophrenic patients and 133 healthy controls. We found that the combination of the absence of GSTM1 gene with the of the GSTM1 gene with the polymorphism GSTA1*B/*B, and the presence of the GSTT1 gene, represents a risk factor for schizophrenia, indicating that the combination of different GST polymorphisms has a role in the predisposition to schizophrenia, probably affecting the capacity of the cell to detoxify the oxidized metabolites of catecholamines. © 2010 Elsevier Ireland Ltd.


Luan Y.,Central Research Laboratory | Liu J.,Clinical Molecular Biology Laboratory | Kong F.,Central Research Laboratory | Sun C.,Central Research Laboratory | And 3 more authors.
International Journal of Oncology | Year: 2016

Tetramethypyrazine (TMP), one of the active compounds extracted from the traditional Chinese medicinal herb (Chuanxiong), has been verified as an anticancer compound against several types of cancer. However, understanding of the molecular mechanisms have not been fully elucidated. In the present study, the anticancer efficacy of TMP was investigated in human clear cell renal cell carcinoma (ccRCC) cells. We showed that TMP significantly inhibited ccRCC cell viability, proliferation, apoptosis, invasion and migration through the methods of MTT, flow cytometry, wound healing and transwell assays. Furthermore, reverse transcription polymerase chain reaction (RT-PCR), western blotting and immunofluorescence results demonstrated TMP upregulation of the expression of NKG2D ligands (NKG2DLs) MHC class I chain-related molecules A and B (MICA/B) and epithelial cell expression marker of E-cadherin, and downregulation of mesenchymal cell expression markers of vimentin and fibronectin. Taken together, the inhibition of TMP on ccRCC cells might be mediated via inhibition of NKG2D related signaling pathway to further suppress epithelial-mesenchymal transition (EMT) progression. The binding of NKG2D to its ligands activates NK cells, giving the rationale for studies on the utilization of TMP as a potential cancer therapeutic compound to increase NK cells-mediated cytotoxicity against high MICA/B expression in cancer cells.


PubMed | Clinical Molecular Biology Laboratory
Type: Journal Article | Journal: Psychiatry research | Year: 2011

Oxidative damage is thought to play a role in the predisposition to schizophrenia. We determined if the polymorphisms of the GSTP1, GSTM1, GSTT1 and GSTA1 genes, which affect the activity of these enzymes against oxidative stress, have a role as susceptibility genes for schizophrenia, analyzing 138 schizophrenic patients and 133 healthy controls. We found that the combination of the absence of GSTM1 gene with the of the GSTM1 gene with the polymorphism GSTA1*B/*B, and the presence of the GSTT1 gene, represents a risk factor for schizophrenia, indicating that the combination of different GST polymorphisms has a role in the predisposition to schizophrenia, probably affecting the capacity of the cell to detoxify the oxidized metabolites of catecholamines.

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