Predation risk induces stress proteins and reduces antioxidant defense
نویسندگان
چکیده
منابع مشابه
Oxidative Stress and Antioxidant Defense
Reactive oxygen species (ROS) are produced by living organisms as a result of normal cellular metabolism and environmental factors, such as air pollutants or cigarette smoke. ROS are highly reactive molecules and can damage cell structures such as carbohydrates, nucleic acids, lipids, and proteins and alter their functions. The shift in the balance between oxidants and antioxidants in favor of ...
متن کاملNociceptive Sensitization Reduces Predation Risk
Sublethal injury triggers long-lasting sensitization of defensive responses in most species examined, suggesting the involvement of powerful evolutionary selection pressures [1]. In humans, this persistent nociceptive sensitization is often accompanied by heightened sensations of pain and anxiety [2]. While experimental [3] and clinical [4] evidence support the adaptive value of immediate nocic...
متن کاملOxidative stress and antioxidant defense in Egyptian favism patients.
BACKGROUND Favism occurs as the result of intolerance to the ingesting of fava beans or to the inhalation of pollen from the Vicia faba plant. Patients with favism are always Glucose-6-phosphate dehydrogenase (G6PD)-deficient, but not all G6PD-deficient individuals develop hemolysis as a result of fava beans consumption. PATIENTS AND METHODS Blood samples were collected from children with fav...
متن کاملStress, aging and reliability of antioxidant enzyme defense.
Clinical and experimental data point to existence of disturbances of adaptive ability of aged organism to extreme impacts. However mechanisms of these disturbances are not clear yet. The purpose of the investigation was to study age-related changes in reaction of erythrocyte antioxidant enzyme system in response to acute psycho-emotional stress and a possible role of these changes in age-relate...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Functional Ecology
سال: 2008
ISSN: 0269-8463,1365-2435
DOI: 10.1111/j.1365-2435.2008.01424.x