Tag: "hormones" at medical news

Study demonstrates safety of oral contraceptives in women with lupus

...uctance to prescribe oral contraceptives and other hormones for women with lupus arose in part from the fact that lupus is far more common in women (women with the disease outnumber men 10 to 1), and that it typically begins during the childbearing years (after the onset and before the cessation of menstruati...

Oral contraceptive pill may prevent more than pregnancy

...l pill suppresses both ovulation and also the male hormones that the ovaries make in larger amounts during the middle third of the menstrual cycle. SHBG binds the testosterone, therefore, these pills decrease a woman's male hormone availability by two separate mechanisms. No wonder so many women have had symp...

New drug lets thyroid cancer patients avoid nasty side effects during treatment

... is diseased or removed, it no longer produces the hormones T4 (thyroxine) and T3 (triiodothyronine), which help regulate heart rate, blood pressure, body temperature and weight. Therefore, it is essential to add back the thyroid hormone L-thyroxine to keep the body functioning normally. Paradoxically, for ra...

Study by Einstein researchers could lead to a novel strategy for treating obesity

...y monitoring the blood levels of several different hormones and nutrients. Taking this information into account, the hypothalamus regulates our energy intake and metabolism. In a study published last year in Science, Dr. Rossetti and his colleagues showed how the hypothalamus monitors and regulates glucose l...

BRCA1 gene found to inhibit two sex hormones, not just one

...nancy. A cell's use of progesterone and other such hormones is controlled by specific receptor proteins, located inside cells, which bind on to the hormone. This process activates the receptor, which then migrates to the cell nucleus to stimulate gene expression. To find out what role BRCA1 played in proges...

Hydrocortisone supplementation improves ventilator weaning

...e, is situated atop the kidney and secrets various hormones essential to the function of many organ systems in the body. Cortisol (hydrocortisone) is an adrenal-cortex hormone used in the treatment of rheumatoid arthritis and other inflammatory conditions. According to the authors, adrenal insufficiency is ...

OHSU scientists dispel late-night eating/weight gain myth

...were removed providing clear evidence that ovarian hormones contribute to weight balance in primates, as well as in lower animals. These results were presented at the 2003 Society for Neuroscience Meeting. The researchers then observed the monkeys for one year. In addition to studying their weigh...

OHSU research reveals the complexities of obesity/cortisol interactions

...fat distribution. In reality, there are many other hormones involved in weight regulation and it's hard to say...cortisol and corticosterone -- both in a family of hormones called glucocorticoids -- rise prior to weight gain or if their increases are impacts of the weight ...

UCI researchers prove a single memory is processed in three separate parts of the brain

...nal arousal and the accompanying release of stress hormones play in creating lasting memories. The amygdala has been shown to be activated by the release of these hormones. ABOUT THE STUDY: In the study, the rats were placed inside a box to familiarize themselves with that context. On the second day, they wer...

Macrophage signaling may affect hormone resistance in prostate tumors

...ornia, San Diego (UCSD) School of Medicine. Male hormones called androgens are essential for the physiological function and growth of the prostate gland, and anti-androgen treatment, which blocks the expression of androgen target genes, is widely used for the treatment of prostate cancer. Unfortunately, mos...

Estrogen therapy does not appear to protect postmenopausal women from heart disease

... During the course of the trial, the women taking hormones experienced 201 coronary events, which included he... Overall, the risk was similar for women who took hormones compared with those who did not, though there was a suggestion of lower risk in women age 50 to 59 y...

Gum-chewing may speed recovery after colon surgery

...es in the body as eating, promoting the release of hormones that activate the gastrointestinal tract, the researchers write. "Early postoperative feeding may stimulate bowel motility, however, many patients fed early after colectomies do not tolerate this," they write. "In a study where patients were given ...

Ginkgo biloba extract: More than just for memory?

...lesterol to produce steroids, which are regulatory hormones that, among other functions, help a cell grow, Papadopoulos said. "In fact, we have found that most life forms, including plants, insects, and animals, have receptors like these that help regulate growth." So they looked at whether cancer cells -- wi...

Man-made prostate created by women

...o it's the perfect model for testing the different hormones and environmental factors we believe play a role i...re they developed into a human prostate, secreting hormones and PSA; the substance in the blood used to diagnose prostate disease," she said. Professor Gail Ris...

Androgen deprivation therapy does not keep localized prostate cancer from spreading, new study says

... treatment for prostate cancer wipes out most male hormones found in the body. Side effects can be significant and include erectile dysfunction, hot flashes, fatigue, osteoporosis, high cholesterol, anemia, forgetfulness and insomnia. Little is known about the effectiveness of hormonal therapy in men whose c...

Drug reverses bone loss in men with prostate cancer during the first year of treatment

... treatment for prostate cancer wipes out most male hormones found in the body. Loss of bone density is a serious side effect of hormone therapy for advanced prostate cancer, a finding that has come to light in recent years. Very low bone density results in a disease called osteoporosis, which is most recogni...

Genes affecting blood pressure change as children become adults

...n 14 and 18 years of age, as children are growing, hormones are raging and the stability of adulthood has not yet been reached," says Dr. Snieder. Those factors prompted him and his colleagues to look at what happens to blood pressure and related hemodynamics such as heart rate and how much blood the heart p...

Serendipity versus planning - cancer drugs of the future?

...ast a third of breast cancers depend on female sex hormones such as oestrogen for survival. Tamoxifen has shown to be an exceptionally effective molecule in cancer treatment; It was never planned to be a preventive agent, but so it has proved to be! It is now licensed to be used to prevent breast cancer in ce...

Genes and environment interact to promote cancer

...ertain drugs can sensitize cells to the effects of hormones such as estrogen, progesterone and testosterone. In 2004, Duke researchers showed that an industrial solvent (EGME) and a commonly prescribed drug, Valproic acid, potently boosted estrogen and progestin activity inside cells. The elevated hormone lev...

UQ scholars win Fulbrights for nursing and cancer research

...we get heavier and fatter our bodies pump out more hormones that might be putting us at more risk of cancer of the oesophagus and other cancers as well," Dr Whiteman said. Another UQ alumnus, engineering and commerce graduate Avin Mathew, won the Postgraduate Award in Technology and Communications -- one of ...

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(Date:7/29/2014)... wildfires that have been plaguing the Northern Territories in ... Great Lakes in the U.S. continue on. NASA,s ... Resolution Imaging Spectroradiometer, MODIS, instrument on July 26, 2014. ... outlined in red. Copious amount of smoke are drifting ... havoc for residents of Yellowknife. Fire has caused ...
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Breaking Biology News(10 mins):New method provides researchers with efficient tool for tagging proteins 2
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