Progesterone News and Research

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New study looks at hormone/SNS relationship in women taking hormone contraceptives

After menopause, women's levels of estrogen and progesterone fall. Their formerly lower risk for heart disease equals, even surpasses, men's risk. One possible contributing explanation for the change in risk is that sex hormones affect the sympathetic nervous system, which controls constriction of blood vessels and participates in the fight or flight response.

7 Nov 2013

"One-two punch" disables tumors' defenses

An aggressive form of breast cancer known as "triple negative" is very difficult to treat: Chemotherapy can shrink such tumors for a while, but in many patients they grow back and gain resistance to the original drugs.

25 Oct 2013

BRCA1/2 mutations may alter endometrial, ovarian function

Scientists have detected significant differences in endometrial thickness and hormone levels in women with and without BRCA1/2 mutations that may play a role in cancer susceptibility or development.

22 Oct 2013

Researchers discover why women with BRCA gene develop breast and ovarian cancer

Researchers announced today in the journal Lancet Oncology that they are well on the way to discovering why women with the faulty genes BRCA 1 and BRCA 2, one of which was inherited by the actress Angelina Jolie, develop breast and ovarian cancer rather than other cancers.

17 Oct 2013

PMDD may shed light on complex interactions between sex hormones and mood

Improved understanding of the role of female sex hormones on the drivers and symptoms of premenstrual dysphoric disorder (PMDD) may shed light on the complex interactions between sex hormones and mood, potentially helping to explain the increased prevalence of mood disorders in women.

8 Oct 2013

New approaches needed for testing cancer drugs

Research institutes, regulators and the pharmaceutical industry are urged to cooperate to develop new approaches to testing cancer drugs, in order to bring the revolution in personalised medicine to patients across Europe, says the European Society for Medical Oncology.

1 Oct 2013

Researchers highlight important role played by immune cells in risk of developing breast cancer

University of Adelaide researchers have made a major discovery that highlights the important role played by immune cells in the risk of developing breast cancer.

20 Sep 2013

Columbia Labs Buys Molecular Profiles For $25M

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12 Sep 2013

Managing insulin levels through meal timing boosts ovulation in women with PCOS

Polycystic Ovarian Syndrome (PCOS), a common disorder that impairs fertility by impacting menstruation, ovulation, hormones, and more, is closely related to insulin levels. Women with the disorder are typically "insulin resistant" - their bodies produce an overabundance of insulin to deliver glucose from the blood into the muscles.

14 Aug 2013

OGF-OGFr axis can be modulated in human triple-negative breast cancer cells to inhibit proliferation

Researchers at The Pennsylvania State University College of Medicine, led by Dr. Ian S. Zagon, have discovered that a novel biological pathway, the OGF-OGFr axis, can be modulated in human triple-negative breast cancer cells to inhibit proliferation. According to BreastCancer.org 1 in 8 women in the U.S. will develop invasive breast cancer and more than 39,000 deaths occur annually.

12 Aug 2013

Combining drugs that target AXL and ErbB receptors could offer better way to fight tumors

Cancer drugs known as ErbB inhibitors have shown great success in treating many patients with lung, breast, colon and other types of cancer. However, ErbB drug resistance means that many other patients do not respond, and even among those who do, tumors commonly come back.

7 Aug 2013

Mothers who breastfeed may have lower risk of Alzheimer's

The report, newly published in the Journal of Alzheimer's Disease, suggests that the link may be to do with certain biological effects of breastfeeding. For example, breastfeeding restores insulin tolerance which is significantly reduced during pregnancy, and Alzheimer's is characterised by insulin resistance in the brain.

6 Aug 2013

Columbia Laboratories’ Board of Directors set a ratio of 1-for-8 for its reverse stock split

Columbia Laboratories, Inc. ("Columbia" or the "Company") (NasdaqCM: CBRX) announced today that its Board of Directors (the "Board") has set a ratio of 1-for-8 for its previously approved reverse stock split of its common stock, and an anticipated effective date for the reverse stock split of the later of (i) the filing with the Secretary of the State of Delaware of a certificate of amendment with respect to the reverse stock split or (ii) August 9, 2013.

26 Jul 2013

Researchers receive $10M March of Dimes grant to study causes of premature birth

Researchers from Dartmouth's Institute for Quantitative Biomedical Sciences (iQBS), the Center for Integrative Biomedical Sciences, and the Center for Genomic Medicine at the Geisel School of Medicine are studying the unknown causes of premature birth, as part of a $10 million March of Dimes grant awarded to a research collaborative of seven U.S. universities and medical centers.

19 Jul 2013

Study shows flavonoid-based nutritional supplements can affect endocrine system

Plant-based diets are healthy. Plants are high in flavonoids. So flavonoids are healthy. At least that's the reasoning of many manufacturers of flavonoid-based nutritional supplements.

16 Jul 2013

Multiple pregnancies conceived after IVF associated with increased breast cancer risk

Women who give birth to multiple babies following IVF treatment are at a higher risk of breast cancer than those giving birth to singletons or who remain childless. Dutch investigators from the Omega study group said the explanation may not be the multiple pregnancy per se but a maternal trait related to a higher implantation potential and to breast cancer itself.

9 Jul 2013

Macrophages play essential role in production of progesterone hormone

New research from the University of Adelaide shows for the first time that immune cells known as macrophages are critical to fertility by creating a healthy hormone environment in the uterus.

9 Jul 2013

Protein in liver plays a crucial role in mice's pregnancy and human menstrual cycle

A protein first shown to function in the liver plays a crucial role in pregnancy in mice and has a key role in the human menstrual cycle, according to researchers at the University of Montreal. Mice that were genetically engineered not to produce the liver receptor homolog-1 (Lrh-1) molecule were unable to create the uterine conditions necessary for establishing and sustaining pregnancy, resulting in the formation of defective placentas.

1 Jul 2013

Scientist discovers key mutations that sparked hormonal revolution 500 million years ago

Evolution, it seems, sometimes jumps instead of crawls. A research team led by a University of Chicago scientist has discovered two key mutations that sparked a hormonal revolution 500 million years ago.

25 Jun 2013

Stress exposure may be associated with increased risk of aggressive breast cancer

Local chemical signals released by fat cells in the mammary gland appear to provide a crucial link between exposure to unrelenting social stressors early in life, and the subsequent development of breast cancer, researchers from the University of Chicago report in the July 2013 issue of the journal Cancer Prevention Research.

19 Jun 2013