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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Jiang, Gaofeng Xu, Lei Zhang, Bo Wu, Lei |
| Description | Country affiliation: China Author Affiliation: Jiang G ( Faculty of Preventive Medicine, Medical College, Wuhan University of Science and Technology, Wuhan, Hubei 430065, China. jianggaofeng@yahoo.com.cn) |
| Abstract | Cadmium (Cd) is an occupational and environmental pollutant that induces numerous pathological effects, including injuries to prostate. The aim of the present study was to investigate the effects of Cd on self-renewal and proliferation of prostate stem/progenitor cells (PSPC) and its possible mechanisms. Prostate epithelial cells were prepared from mice to form sphere in Matrigel/PrEGM supplemented with cadmium chloride (CdCl(2)). The data showed that CdCl(2) inhibits sphere-forming ability and proliferation of PSPC in a concentration dependent manner. Primary spheres were then passaged to form daughter spheres and we found that CdCl(2) suppressed PSPC self-renewal activity, which recovered after further passaging. We also detected the protein level of androgen receptor (AR) in the spheres of each passage. The results showed that AR in primary spheres is suppressed by CdCl(2) in a concentration dependent manner. However, no obvious change of AR was found in subsequent passages. The in vivo toxicity of CdCl(2) on PSPC was detected by giving mice drinking water with CdCl(2). Our results demonstrated in vivo inhibition effect of CdCl(2) on self-renewal activity of PSPC. Consistent with in vitro results, self-renewal activity of PSPC was recovered after CdCl(2) withdrawal. In addition, CdCl(2) also in vivo suppressed PSPC proliferation as indicated by Ki67 immunostaining. Our finding suggested that Cd may inhibit proliferation and self-renewal activity of PSPC by suppressing AR, which could be important to further understanding the complex mechanism of Cd toxicity in prostate. |
| File Format | HTM / HTML |
| ISSN | 13826689 |
| Issue Number | 2 |
| Volume Number | 32 |
| e-ISSN | 18727077 |
| Journal | Environmental Toxicology and Pharmacology |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2011-09-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Health Discipline Pharmacology Cadmium Chloride Toxicity Cell Proliferation Drug Effects Prostate Cytology Stem Cells Physiology Animals Administration & Dosage Cell Culture Techniques Cell Differentiation Cells, Cultured Environmental Pollutants Epithelial Cells Metabolism Male Mice Receptors, Androgen Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Health, Toxicology and Mutagenesis Medicine Toxicology Pharmacology |
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