نتایج جستجو برای: androgen hormone

تعداد نتایج: 162224  

Journal: :Biomedical papers of the Medical Faculty of the University Palacky, Olomouc, Czechoslovakia 2003
Jana Knillová Zdenek Kolár Alice Hlobilková

The molecular basis for the transition of carcinoma of the prostate from androgen-dependent to androgen-independent growth is largely unknown. Currently for example, it is not clear whether the androgen-independent phenotype is a result of selection of a subgroup of genetically distinct prostate tumour cells which are already hormone-resistant or a genetic adaptation of prostate tumour cells to...

Journal: :Endocrine-related cancer 2014
Gerard A Tarulli Lisa M Butler Wayne D Tilley Theresa E Hickey

While it has been known for decades that androgen hormones influence normal breast development and breast carcinogenesis, the underlying mechanisms have only been recently elucidated. To date, most studies have focused on androgen action in breast cancer cell lines, yet these studies represent artificial systems that often do not faithfully replicate/recapitulate the cellular, molecular and hor...

Journal: :Supportive cancer therapy 2006
Todd J Alekshun Stephen G Patterson

The use of androgen deprivation therapy (ADT) to treat prostate cancer has favorably impacted outcomes for men with prostate cancer. Androgen deprivation therapy is effective in reducing painful bony metastases and soft tissue visceral disease in advanced-stage prostate cancer. The use of ADT has expanded beyond the metastatic setting and can also be used as adjuvant therapy for patients with l...

2011

There is mounting evidence that androgen-deprivation therapy (ADT) for prostate cancer carries significant health risks. General awareness of the unpleasant but typically tolerable side effects of androgen suppression is not lacking. Recent studies have reported clinically significant cardiovascular morbidity and increased mortality, calling into question the safety of androgen suppression. In ...

2009
Suman Bhusan Chakraborty Samir Banerjee

Cage culture is one of the important methods for intensive culture of tilapia in large water impoundments. But, information related to growth performance of androgen-treated monosex tilapia population during cage culture under the ecological conditions of India is limited. The aim of this study was to compare the growth potential of control, mixed-sex and androgen-treated, monosex tilapia in co...

Journal: :Cancer cell 2006
Zhiyong Guo Bojie Dai Tianyun Jiang Kexin Xu Yingqiu Xie Oekyung Kim Issa Nesheiwat Xiangtian Kong Jonathan Melamed Venkatesh D Handratta Vincent C O Njar Angela M H Brodie Li-Rong Yu Timothy D Veenstra Hegang Chen Yun Qiu

The androgen receptor (AR) is essential for the growth of prostate cancer cells. Here, we report that tyrosine phosphorylation of AR is induced by growth factors and elevated in hormone-refractory prostate tumors. Mutation of the major tyrosine phosphorylation site in AR significantly inhibits the growth of prostate cancer cells under androgen-depleted conditions. The Src tyrosine kinase appear...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2003
Markus Letsch Andrew V Schally Rebeca Busto Ana M Bajo Jozsef L Varga

The antiproliferative effects of an antagonist of growth hormone-releasing hormone (GHRH) JV-1-38 were evaluated in nude mice bearing s.c. xenografts of LNCaP and MDA-PCa-2b human androgen-sensitive and DU-145 androgen-independent prostate cancers. In the androgen-sensitive models, JV-1-38 greatly potentiated the antitumor effect of androgen deprivation induced by surgical castration, but was i...

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