Articles tagged with Stress Responses
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Researchers have identified HsfA1 as a master regulator of the tomato heat stress response, playing a crucial role in protecting plants from high temperatures. Transgenic tomatoes with over-expressed HsfA1 showed increased resistance to heat stress, while those deficient in HsfA1 were more susceptible.
Research reveals that family history of hypertension is associated with exaggerated physiological responses to stress and learned maladaptive behavioral patterns. Offspring of hypertensive parents exhibit higher resting heart rates, increased blood pressure, and more negative verbal and nonverbal behaviors during stressful tasks.
A German study on mice found that genetic variations in a key stress-response gene may contribute to excessive alcohol consumption under stressful conditions. The researchers identified a specific receptor, CRH1, which is associated with increased alcohol intake in stressed mice, suggesting potential targets for preventing relapse.
Researchers discovered that hamsters have higher levels of immune cells in their bloodstream during winter months and in response to acute stress. This enhanced immune response helps the animals prepare for potential injury or infection.
Researchers are recruiting women with premenstrual dysphoric disorder (PMDD) to participate in a study examining hormone levels and stress response. Participants will receive useful information about their illness and potentially contribute to more effective treatment for PMDD.
Researchers found that p53 and GR interact to balance cell survival and death in response to environmental stress. JIP1 protein is crucial for activating the JNK signaling pathway, which helps neurons respond to severe hypoxic stress.
A study found that socially stressed mice were twice as likely to die after infection with a compound than physically stressed mice. The researchers believe social stress intensified the immune response, leading to toxic shock and organ damage.
Researchers at Ohio State University found that social stress makes specific immune cells resistant to corticosterone, a hormone regulating inflammation. This resistance can lead to uncontrolled inflammation, increasing the severity of infections and tissue damage.
Researchers discovered a link between plant hormone auxin and stress response, mediated by the BIG protein. The study also found that IP3 acts as a second messenger in plant cell signaling.
Researchers found that short periods of stress can enhance the immune system's response to foreign invaders, such as bacteria and viruses. The study showed that mice with normal gamma interferon function had a more robust immune response after being stressed.
Chronic stress can cause immune system dysfunction, brain cell damage and impaired learning. Long-term alcohol exposure blunts the body's ability to respond to stress, leading to a domino-like effect on hormone release and ultimately damaging the immune system.
A Cedars-Sinai Medical Center study has discovered a molecular mechanism behind hormonal responses to stress, involving leukemia inhibitory factor (LIF) and its regulation of the pituitary gland. This finding provides new insights into the body's response to stress and sepsis.
Young children who lose a parent or experience poor family relationships may be more likely to develop increases in blood pressure and disruptions in hormone release later in life. Research suggests that early loss or lack of good quality family relationships may have a 'permanently' increased overall cardiovascular activity among adults.
Traumatic stress triggers an intricate response in the body's biochemical equilibrium, affecting the brain, endocrine, and immune systems. Research aims to understand this process to create more effective treatments for related disorders.
A USC/Norris study reveals how genistein suppresses the mammalian stress response, preventing cancer growth in cell cultures and animal models. This mechanism may provide insight into soy's anti-cancer effects and its potential as an effective agent.
Researchers found that a brief genetic response to heat stress can increase fruit fly lifespan at normal temperatures. The study reveals hsp70's role in moderating stress and potentially regulating aging.
Emory University researchers found that newborn rat pups who received more infantile stimulation handled stress better in adulthood, both externally and internally. The study suggests that early experiences shape the development of the hypothalamic-pituitary-adrenal response to stress, which can have implications for human health.
A study by Johns Hopkins Medicine reveals that boosting production of the molecule arginine can restore normal blood vessel responses in people with coronary artery disease. By increasing nitric oxide production, researchers were able to improve blood flow and reduce the risk of ischemia and heart attack.