signaling Estrogens are produced in the ovaries, testicals, as well as adipocytes (Schneider, Kirschner et al. 1979, Tchernof, Despres et al. 1995). There are three major naturally occurring forms of estrogen: estrone (E1), estradiol (E2), and estriol (E3). 17 beta-estrodiol is the most prevalent endogenous estrogen. Estrogen enters the cell and passes to the nucleus. Then estrogen binds to a receptor, changing the receptors shape. The estrogen/receptor complex then binds to estrogen response elements…
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epidemiology allows for studies that use laboratory technology in the context of epidemiologic research. Results. This paper summarizes the epidemiologic literature on exogenous hormones, addresses the issue of endogenous steroid hormone levels and estrogen metabolism in serum and breast tissue in premenopausal and postmenopausal women with and without cancer, speaks to the cellular mechanisms of action of estrogen and progesterone, and highlights some of the biologic markers relevant to studies of…
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no significant medical history and family reveals her mother has osteoporosis. Family history is negative for breast cancer. She expresses her desire to explore hormone therapy (HT) as an option to manage her symptoms of menopause. The following paper will discuss specific goals of treatment for E.P.’s clinical presentation, best treatment option,…
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environmental testing methods, which is important for risk reduction (Silent Spring, 2002). Studies have revealed that compounds in personal care products can mimic hormones such as estrogen or block the action of natural hormones. Friis (2012) states that DDT and organochlorines have etrogenic effect that mimic the female hormone estrogen and these endocrine disruptors block the body’s endocrine system (Silent Spring, 2002). The National Environmental Policy Act of 1969 stated that it is vital to restore and…
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NORTHERN CARIBBEAN UNIVERSITY COLLEGE OF NATURAL AND APPLIED SCIENCE DEPARTMENT OF BIOLOGY, CHEMISTRY AND SCIENCE Presented in Partial Fulfillment of the Course: BIOL 395 GENETICS Section A TERM PAPER Nature or Nurture: The Case of the Boy Who Became a Girl Presented By: Nathalia allen Monique Malcolm Davena shaw Shaneek Campbell Part 1 1. Assuming that the nurture theory is valid, David as Brenda will have female…
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smokers’ morbidity when diagnosed with lung cancer (29). Nevertheless, Women's hormones, such as estrogen, might impact cancer’s progression. A recent report showed that post-menopausal women who were going under hormonal therapy for over 10 years were at a higher danger of forming lung cancer (30). Another study showed that women diagnosed with breast cancer and are treated with tamoxifine (an estrogen-blocking medication) diminishes their lung cancer mortality risk (31). These studies associate…
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suggested that the compound resveratrol is protective against diseases and aging. These benefits range from cardiovascular disease to prostate cancer. Manufacturers who produce resveratrol supplements make longevity and even weight loss claims. This paper will discuss red grapes and red wine because resveratrol is most concentrated in these foods. Science behind Resveratrol Resveratrol is a type of polyphenol, found in plants, which is produced in response to injury…
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Dominant chemicals in our body are serotonin, which helps us sit still; testosterone, which is our sex and aggression hormone; estrogen, which is a female growth and reproductive chemical; and oxytocin, which is our bonding relationship chemical. Because of how we process each of these chemicals differently, males tend to be less able to sit still as long as females, and are more…
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unexpected. 2] Explain Menopausal Hormone Therapy: ___ In response to these increased risks and to the estrogen related symptoms that women experience, one approach is the use of menopausal hormone therapy (MHT): women take low doses of estrogen, which is often combined with progestin (synthetic form of progesterone). Hormone therapy is controversial and has been the focus of many research studies with conflicting results (Bach, 2010; Mayo Clinic, 2010d; Shapiro, 2007). There appear to be both…
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Heredity and Hormones When comparing and contrasting the influence of heredity and hormones on human behavior it is important that all mechanisms, that allow our body to function in the proper way, are carefully examined. In this paper the endocrine system will be discussed and the several different hormones and their contribution to the human behavior. It is important that one understands reasons behind their behaviors and why their behavior is an important part of their lives.…
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