New study documents use of hormone progesterone in simple microscopic aquatic animals
A new study shows that humans and tiny aquatic animals known as rotifers have something important in common when it comes to sex.
A new study shows that humans and tiny aquatic animals known as rotifers have something important in common when it comes to sex.
(Phys.org) -- For years biologists have puzzled over how it is that elephants are able to maintain such long pregnancies, which typically run to nearly two years. While many theories have been tossed around, ...
(PhysOrg.com) -- Researchers from the University of California, San Francisco and the Center of Advanced European Study and Research in Bonn, Germany published simultaneous papers this week in Nature which could ...
Nov. 15, 2010 Tiny molecules called microRNAs act together with hormones to control the onset of labor, raising the prospect that RNA-based drugs might be able to prevent premature labor, researchers at UT Southwestern ...
Cancer researchers at Princess Margaret Hospital (PMH) have discovered that the ovarian hormone progesterone plays a pivotal role in altering breast stem cells, a finding that has important implications for breast cancer ...
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. ...
For decades, scientists assumed that the ovary alone produced steroid hormones during pregnancy. In a new study in mice, however, researchers demonstrate that once an embryo attaches to the uterine wall, the ...
(PhysOrg.com) -- In the course of his or her life, every seventh German will develop an anxiety disorder that will require treatment. Standard anti-anxiety medications (anxiolytics) are based on the benzodiazepine ...
(PhysOrg.com) -- Why does dishing with a girlfriend do wonders for a woman's mood?
Researchers from the National Institutes of Health and other institutions have identified in mice two proteins essential for ovulation to take place.
Cancer biologists from the Friedrich Miescher Institute for Biomedical Research have been part of a collaborative effort that identified a novel rationale for the treatment of currently not curable triple-negative ...
Researchers funded by the National Institutes of Health have identified a key step in the establishment of a pregnancy. Their discovery shows how the hormone progesterone suppresses the growth of the uteruss lining ...
The most common type of breast cancer in older women -- estrogen and progesterone receptor (ER/PR) positive breast cancer -- has been linked to a protein that fends off aging-related cellular damage.
A new study has found that tamoxifen, an anti-estrogen breast cancer medication, may reduce an individual's risk of death from lung cancer. Published early online in Cancer, a peer-reviewed journal of the American Cancer ...
Researchers have identified how the hormones progesterone and estrogen interact to increase cell growth in normal mammary cells and mammary cancers, a novel finding that may explain why postmenopausal women receiving hormone ...