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Tegeder, I., Grosch, S., Schmidtko, A., Haussler, A., Sch- midt, H., Niederberger, E, Scholich, K. and Geisslinger, G. (2003) G protein-independent G(1) cell cycle block and apoptosis with morphine in adenocarcinoma cells: Involvement of p53 phosphorylation. Cancer Research, 63, 1846-1852.
has been cited by the following article:
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TITLE:
Heroin-induced changes of CD34-positive rat thymus cells
AUTHORS:
Gentimi Fotini, Perrea Despina, Marinos Evangelos, Konstandi Ourania, Katsorchis Theodoros
KEYWORDS:
Heroin; Rat Thymus; CD34
JOURNAL NAME:
Health,
Vol.2 No.8,
August
26,
2010
ABSTRACT: Heroin is a well known opioid that causes al-terations to the immune system of a number of investigated animals. Only a few studies have explored the effect of heroin on the lymphocytes maturation. Thymocyte progenitors originate from haematopoietic stem cells in the bone marrow. The immature T-cells express neither CD4 nor CD8, and are therefore classed as double-negative (CD4-CD8-) cells. CD34 glycoprotein is the only defined marker of the immature T-lymphocytes. In this study we have investigated the changes induced in CD34+ rat thymocytes after heroin administration by immunofluores-cence in frozen rat thymus sections using the 4H11 monoclonal anti-CD34 antibody. There is a remarkable decrease in the number of CD34+ immature thymocytes when examined 1hour after last heroin injection and a small recover when examination took place 20 days after last injection. The above results suggest a major effect of heroin administration early in the ma- turation process of T lymphocytes probably by increasing the apoptotic cell death and the ne- gative consequences for the immune system responses.
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