Beyond androgen deprivation: ancillary integrative strategies for targeting the androgen receptor addiction of prostate cancer.

The large majority of clinical prostate cancers remain dependent on androgen receptor (AR) activity for proliferation even as they lose their responsiveness to androgen deprivation or antagonism. AR activity can be maintained in these circumstances by increased AR synthesis--often reflecting increased NF-κB activation; upregulation of signaling pathways that promote AR activity in the absence of androgens; and by emergence of AR mutations or splice variants lacking the ligand-binding domain, which render the AR constitutively active. Drugs targeting the N-terminal transactivating domain of the AR, some of which are now in preclinical development, can be expected to inhibit the activity not only of unmutated ARs but also of the mutant forms and splice variants selected for by androgen deprivation.

Short-term and mid-term effects of fasting and downset meal pattern on lipid profile in Iranian fasted women.

It is not clear that whether the effects of fasting and downset meal pattern on lipid profile are limited only to Ramadan or do they remain after that month. The cohort study was conducted on 49 women aged 20-45 who worked at Shahid Motahari hospital in Isfahan. They put on groups of 23 consuming downset meal and 26 non-consuming downset meal persons.

Possibility of enhanced risk of retinal angiogenesis in athletes with pre- existing retinal situation abusing erythropoietin doping: a hypothesis.

Doping with erythropoietic proteins such as erythropoietin (EPO) is a serious issue in sport. There is little information on the possible ophthalmologic alterations followed by frequent EPO abuse in athletes. EPO is a potent retinal angiogenic factor and is capable of stimulating retinal angiogenesis and neovascularization in the presence of ischemia.

Drug policy and treatment bias due to the dopamine-deficit theory of child attention-deficit hyperactivity disorder.

Abnormal dopamine (DA) transporter functioning has long been suspected to be involved in attention-deficit hyperactivity disorder (ADHD). My extensive search on theories concerning ADHD included: CENTRAL, MEDLINE, EMBASE, CINAHL, ERIC, PsycINFO, Complementary and Alternative Medicine-specific databases, Informit, JST, plus grey literature and trial registries from inception to May 2010. A new understanding of ADHD pathophysiology is required.