News tagged with steroid hormone
Presidential election outcome changed voters' testosterone
(PhysOrg.com) -- Young men who voted for Republican John McCain or Libertarian candidate Robert Barr in the 2008 presidential election suffered an immediate drop in testosterone when the election results were ...
Medicine & Health / Medical research
Oct 20, 2009 |
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Steroids control gas exchange in plants
Plants leaves are sealed with a gas-tight wax layer to prevent water loss. Plants breathe through microscopic pores called stomata (Greek for mouths) on the surfaces of leaves. Over 40% of the carbon dioxide, CO2, in the ...
Feb 05, 2012 |
3.7 / 5 (3) |
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Stronger corn? Take it off steroids, make it all female
A Purdue University researcher has taken corn off steroids and found that the results might lead to improvements in that and other crops.
Nov 30, 2011 |
4.8 / 5 (5) |
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Control gene for developmental timing discovered
University of Alberta researchers have identified a key regulator that controls the speed of development in the fruit fly. When the researchers blocked the function of this regulator, animals sped up their rate of development ...
Sep 28, 2011 |
4.5 / 5 (2) |
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Mastermind steroid found in plants
Scientists have known for some time how important plant steroids called brassinosteroids are for regulating plant growth and development. But until now, they did not know how extensive their reach is. Now researchers, including ...
Nov 15, 2010 |
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Promising drug candidate reverses age-related memory loss in mice
Researchers at the University of Edinburgh today report a new experimental compound that can improve memory and cognitive function in ageing mice. The compound is being investigated with a view to developing a drug that could ...
Medicine & Health / Neuroscience
Oct 12, 2010 |
5 / 5 (9) |
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Common steroid medications hold promise for tissue repair
A class of drugs commonly used for asthma, inflammation and skin injury also may hold promise for tissue-repairing regenerative medicine, according to Duke University Medical Center researchers.
Medicine & Health / Medications
May 03, 2010 |
3 / 5 (2) |
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First discovery of the female sex hormone progesterone in a plant
In a finding that overturns conventional wisdom, scientists are reporting the first discovery of the female sex hormone progesterone in a plant. Until now, scientists thought that only animals could make progesterone. ...
Feb 04, 2010 |
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Hormones found to affect gene activity
(PhysOrg.com) -- Intermittent signaling by steroid hormones can affect the way genes are expressed in rodents, according to research by scientists at the University of Bristol and the National Cancer Institute ...
Aug 19, 2009 |
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Worms control lifespan at high temperatures
The common research worm, C. elegans, is able to use heat-sensing nerve cells to not only regulate its response to hotter environments, but also to control the pace of its aging as a result of that heat, according to new ...
Apr 16, 2009 |
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The secret life of frogs
(PhysOrg.com) -- University of Notre Dame biologist Sunny Boyd's research is a little like "Match.com" for amphibians. Say you're a female tree frog looking for a mate--how do you choose among a number of ...
Mar 24, 2009 |
4.5 / 5 (2) |
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Parents' social problems affect their children -- even in birds
A recent study performed by Floriane Guibert and Cecilia Houdelier at the CNRS-University of Rennes in France, together with researchers at the INRA in Nouzilly, France and with Austrian scientists including Erich Mostl of ...
Dec 27, 2010 |
3 / 5 (1) |
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High-fat diet during puberty linked to breast cancer risk later in life
Girls eating a high-fat diet during puberty, even those who do not become overweight or obese, may be at a greater risk of developing breast cancer later in life, according to Michigan State University researchers.
Aug 31, 2010 |
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Researchers optimizing progesterone for brain injury treatment
As doctors begin to test progesterone for traumatic brain injury at sites across the country, researchers are looking ahead to optimizing the hormone's effectiveness.
Medicine & Health / Medical research
Oct 19, 2009 |
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Study: Progesterone leads to inflammation
Scientists at Michigan State University have found exposure to the hormone progesterone activates genes that trigger inflammation in the mammary gland.
Aug 19, 2009 |
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