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5 janvier 2012 4 05 /01 /janvier /2012 08:03

 

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ROYAL MONACO MEDICINE WEB MAGAZINE 

  

PAGINA WEB AMBASCIATA D'ITALIA NEL PRINCIPATO DI MONACO   
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MEDICINE & CHINESE TRADITIONAL MEDICINE

 

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Luigi Mattera is a certified by CERFPA (St. Laurent du Var-France) in HOMEOPATHY (biennale) & ZUO TUINA MASSAGE OF TRADITIONAL CHINESE MEDICINE - Online certificate from TEXAS CHIROPRACTIC COLLEGE (Pasadena-Texas 2007) in CHIROPRACTIC SPORTS & CHIROPRACTIC TREATMENT OF GOLF INJURIES.

In the past, has been Captain aboard tanker ships . He got  University doctorate in Foreigner and Litterature Languages (IULM Milano - Italy) and 3 years University Diploma  in Public Relations and Discipline Administration (IULM Milano)


PRESENTS:

 

Expression of apoptosis-regulating genes in the rat prostate following botulinum toxin type A injection

Tiago Gorgal, Ana Charrua, Joao F Silva, Antonio Avelino, Paulo Dinis and Francisco Cruz

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BMC Urology 2012, 12:1 doi:10.1186/1471-2490-12-1

Published: 4 January 2012

Abstract (provisional)

Background

Onabotulinumtoxin A (OnabotA) injection has been investigated as a novel treatment for benign prostatic enlargement caused by benign prostatic hyperplasia. An OnabotA - induced volume reduction caused by sympathetic fibers impairment has been proposed as a potential mechanism of action. Our aim was to investigate the expression of apoptosis-regulating proteins in the rat prostate following OnabotA intraprostatic injection.

Methods

Adult Wistar rats were injected in the ventral lobes of the prostate with 10U of OnabotA or saline. A set of OnabotA-injected animals was further treated with 0.5mg/kg of phenylephrine (PHE) subcutaneously daily. All animals were sacrificed after 1 week and had their prostates harvested. Immunohistochemical staining was performed for Bax, Bcl-xL and caspase-3 proteins and visualized by the avidin-biotin method. The optical density of the glandular cells was also determined, with measurement of differences between average optical densities for each group.

Results

Saline-treated animals showed intense epithelial staining for Bcl-xL and a faint labelling for both Bax and Caspase-3. OnabotA-treated rats showed a reduced epithelial staining of Bcl-xL and a consistently increased Bax and Caspase-3 staining when compared with saline-treated animals. PHE-treated animals showed a stronger Bcl-xL staining and reduced staining of both Bax and Caspase-3 when compared to the OnabotA group. Mean signal intensity measurements for each immunoreaction confirmed a significant decrease of the signal intensity for Bcl-xL and a significant increase of the signal intensity for Bax and Caspase 3 in OnabotA-injected animals when compared with the control group. In OnabotA+PHE treated animals mean signal intensity for Bcl-xL, Bax and Caspase 3 immunoreactions was identical to that of the control animals.

Conclusions

These results support the hypothesis that OnabotA activates apoptotic pathways in the rat prostate through a mechanism that involves sympathetic outflow impairment.

The complete article is available as a provisional PDF. The fully formatted PDF and HTML versions are in production.

 

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