October 2002 - 7 articles
The risk from chemical carcinogens and environmental toxins is dependent on the metabolic balance between bioactivation and detoxification enzymes. Therefore, agents that alter enzyme expression are critical factors in toxicity. Enhancement or suppre...
Currently, serum is used more often than urine to detect prostate specific antigen (PSA). The need for a non-invasive test yielding similar results led us to develop a urine test that uses solar irradiated water as a reactant species. To develop this...
Humic substances (HS) are ubiquitous in the environment, and can act as photosensitizers in the redox reactions of some photochemical processes. The influence of HS in these reactions varies with the HS type and concentration. The total organic carbo...
Unusual HIV-1 nef alleles were isolated from a woman and her vertically infected child. Both patients eventually progressed to develop AIDS. The child died at age 6.5 years, while the mother is currently alive, 13 years since her diagnosis with HIV-1...
The cholinergic system has been proposed to participate in the development of dependence on opioids. The present study examined effects of dermal pretreatment with methyl parathion (MP), an acetylcholinesterase inhibitor, on the development of physic...
Menia El-Kamh province of the Sharkia Governorate constitutes one of the largest agricultural areas in Egypt. About 88% of the nearly 472,000 people living in this province rely on agricultural activities for subsistence. Several pesticides including...
Methamphetamine (MAMPH) increases core body temperature at room temperature and decreases it in the cold room. MAMPH at doses ≥ 5.0 mg/kg also induces neural toxicity at room temperature, but not in the cold room. We hypothesized that the neural toxi...
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