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Estrogens in Medical News

Environmental estrogens can cause breast cancer

Exposure to environmental estrogen 4-nonylphenol may increase the incidence// of breast cancer. Dr. William S. Baldwin and research team from University of Texas has reported that risk of breast cancer may be increased if exposed to environmental estrogen 4-nonylphenol. 4-nonylphenol is an estro...

Dermatologists Shed Light on Common Pigmentation Problems and Solutions in Skin of Color

... reason, Dr. Breadon advises patients with melasma to consider stopping oral contraceptives and hormone replacement therapy due to the large amount of estrogens in these medications. Regular sunscreen use is vital to protect the skin from further hyperpigmentation. With melasma, the skin can be affected...

Hormone Therapy Increases Odds of Ovarian Cancer

... hormone preparation they took. However, Wyeth, maker of two conjugated estrogens -- Premarin and Prempro -- said the study didn't have enough women taking conjugated estrogens to determine actual risk for that type of hormone therapy. "The finding...

Study Evaluating Efficacy and Safety of Two Low-dose Regimens of PREMARIN Vaginal Cream for the Treatment of Moderate to Severe Vaginal Atrophy Now Published

...he efficacy of two low-dose regimens of conjugated estrogens (CE) cream (0.5 g daily and twice weekly) using a ...EMARIN Vaginal Cream (an estrogen mixture)? estrogens may increase the chance of getting cancer of the u... bleeding to find out the cause. Do not use estrogens with or without progestins to prevent heart diseas...

Hormones May Affect Neurological Disease Risk

...rological diseases are most likely to occur at these times, said researchers at the University of Texas Medical Branch. They found that a number of estrogens acting through their receptors affect the dopamine transporter (DAT). Dopamine is a neurotransmitter in the brain that plays an important role in norm...

Metabolic factors may play a role in risk for breast cancer

...nship between weight and breast cancer risk is due to increased circulating estrogens among postmenopausal women who are overweight or obese," he said. "An alter...rogen metabolism is tied to features of the metabolic syndrome. "Though estrogens are produced in adipose tissues, just how these are metabolized in various ...

New Data: Efficacy and Responder Analyses of Divigel(R) (estradiol gel) 0.1 percent for the Treatment of Menopause

... before menopause. Certain older oral estrogen therapies contain conjugated estrogens derived from the urine of pregnant mares. Divigel(R) is applied to the skin...he full Prescribing Information and talk to your healthcare provider. estrogens increase the chance of getting cancer of the uterus (womb). Report any unus...

Par Pharmaceutical Begins Shipment of Generic Miacalcin(R)

...n nasal spray should be reserved for patients who refuse or cannot tolerate estrogens or in whom estrogens are contraindicated. Because Calcitonin is a polypeptide, the possibil...

Novel biomarkers in heart failure

...n proved to add additional information on standard of care in the diagnosis of acute HF and to be useful in prognostic evaluation of these patients estrogens it has been recently shown that both low and high concentrations of circulating estradiol are powerful predictors of a poor prognosis in men with chr...

Drug Utilization Review Reveals Potentially Inappropriate Medication Use Among Elderly Population

...drugs to be avoided in the elderly due to an increased risk of negative health outcomes, the use of these medications, which include muscle relaxants, estrogens and anticholinergic medicines, continues to be widespread. "Inappropriate prescribing for elderly patients remains prevalent," said Catherine I. ...
Estrogens in Medical Technology

Wyeth Presents New Phase 3 Data and Updates Regulatory Timing for NDA Filing of Bazedoxifene/Conjugated Estrogens

COLLEGEVILLE, Pa., Oct. 5 /PRNewswire-FirstCall/ -- Wyeth Pharmaceuticals, a division of Wyeth (NYSE: WYE ), presented new data today from two Phase 3 studies, which showed that bazedoxifene/conjugated estrogens reduced the number and severity of hot flashes in symptomatic postmenopausal wome...

Estrogen Getting Cool Reception From Dermatologists for Mixed Results in Improving Appearance of Skin

... thus far, it does not appear that topical or oral estrogens are a viable long-term solution for improving sun-...d Dr. Parsons. "In my practice, I do not prescribe estrogens for skin rejuvenation because of the lack of consi...luding an increased risk of breast cancer." estrogens are a group of hormones that play a key role in re...

Wyeth Reports Publication of Phase 3 Data for Bazedoxifene/Conjugated Estrogens, an Investigational Compound Being Studied for the Treatment of Menopausal Symptoms

...e investigational compound bazedoxifene/conjugated estrogens (BZA/CE) significantly reduced the frequency and s... Fertility and Sterility , is from the S elective estrogens M enopause A nd R esponse to T herapy (SMART-1... Complex (TSEC) Containing Bazedoxifene/Conjugated estrogens (Pickar JH, et al) To evaluate endometria...

Bionovo's Estrogen Receptor Beta Selective Drugs Have Unique Gene Expression and Cell Type Specificity

...than estradiol, a hormone therapy commonly used to treat women's health issues. This discovery indicates that ERb agonists might be safer than current estrogens used in hormone therapy. The study also demonstrates the cell type selectivity of Menerba (MF101) and Liquiritigenin, two of Bionovo's ERb selective d...

UNT Health Science Center's Groundbreaking Research Applied to Protecting Brain After Traumatic Injury

...increases brain cell survival by up to 65 percent. estrogens delivered intravenously post injury may have simil...and others demonstrating the protective effects of estrogens in acute brain injury. Simpkins leads a large Nati...h Texas Health Science Center at Fort Worth. estrogens are made in large amounts by young women, but only...

New Analyses Indicate that Divigel(R) (estradiol gel) 0.1% Is a Valuable Option for Certain Postmenopausal Women With Hot Flashes

...w.divigelus.com . Important Safety Information estrogens should not be used in women with undiagnosed abnor...R) ingredients; or known or suspected pregnancy. estrogens increase the risk of endometrial cancer. Close clinical surveillance of all women taking estrogens is important. Adequate diagnostic measures, includ...

Bionovo's Drug Candidate for Menopausal Symptoms Shows Effect on Neural Pathways Related to Temperature Regulation

...ornia, San Francisco. "It has long been known that estrogens reduce hot flashes and non-selective SERMs cause h...e not been appropriate cell-based models to screen estrogens for effects on neurons. This study demonstrated th...laboration with scientists at Bionovo. "Although estrogens are very effective in the treatment of menopausal ...

Bionovo Discovers New Estrogen Regulatory Elements for Breast Cancer and Osteoporosis Drugs

... and Reproductive Sciences at the University of California, San Francisco. "This study identified gene elements that are activated by SERMs but not by estrogens used in hormone therapy. The identification of these elements, coupled with the understanding of the differential regulation in various tissues, provi...

Preventing Prostate Cancer and BPH: Prostate-Health Expert Available (National Men's Health Week Is June 9-15)

... hormones and systemic inflammation. "Obesity is a massive inflammatory condition," Kristal said. "It also increases levels of circulating estrogens and growth factors that promote cell growth." -- A high-calcium diet, calcium supplements and antacids may increase the risk of adva...

Divigel(R) (estradiol gel) 0.1 Percent Offers Lowest Approved Dose of Estradiol for Treatment of Moderate to Severe Hot Flashes Associated with Menopause

... The following are not all the possible risks for Divigel(R). Please read the full Patient Information leaflet and talk to your healthcare provider. estrogens increase the chance of getting cancer of the uterus. Report any unusual vaginal bleeding right away while you are taking estrogens. Vaginal bleeding a...
Estrogens in Medical Products

Calcitonin IRMA Test

Description:...ral nervous system. Calcitonin secretion is stimulated by increased plasma calcium concentrations, and is also regulated by gastrointestinal peptides, estrogens and vitamin D. Gastric peptide stimulation of calcitonin secretion following a meal may play a role in maintaining postprandial calcium homeostasis. A...
Company:Diagnostic Systems Laboratories, Inc.

DHEA RIA Test

Description:...l-fold higher than testosterone concentrations, and rapid peripheral tissue conversion to more potent androgens (androstenedione and testosterone) and estrogens may occur. In addition, DHEA has a relatively low affinity for sex-hormone binding globulin. DHEA is rapidly cleared from the circulation compared to ...
Company:Diagnostic Systems Laboratories, Inc.

DHEA EIA Test

Description:...l-fold higher than testosterone concentrations, and rapid peripheral tissue conversion to more potent androgens (androstenedione and testosterone) and estrogens may occur. In addition, DHEA has a relatively low affinity for sex-hormone binding globulin. DHEA is rapidly cleared from the circulation compared to ...
Company:Diagnostic Systems Laboratories, Inc.

FSH ELISA Test

Description:...rge and a peak of LH and FSH release [2,3]. This surge is followed by rupture of the graafian follicle and ovulation [2,3,4]. During the luteal phase, estrogens and progesterone exert negative feedback on the pituitary, resulting in low levels of LH and FSH secretion. In men, FSH stimulates testicular synthesi...
Company:Diagnostic Systems Laboratories, Inc.

FSH IRMA Test

Description:...rge and a peak of LH and FSH release [2,3]. This surge is followed by rupture of the graafian follicle and ovulation [2,3,4]. During the luteal phase, estrogens and progesterone exert negative feedback on the pituitary, resulting in low levels of LH and FSH secretion. In men, FSH stimulates testicular synthesi...
Company:Diagnostic Systems Laboratories, Inc.

LH ELISA Test

Description:...cts to stimulate theca cell production of androgens which are aromatized to estrogens in the granulosa cells. In the late follicular phase, the increased amounts...re of the graafian follicle and ovulation [1,2,3]. During the luteal phase, estrogens and progesterone exert negative feedback on the pituitary, resulting in low...
Company:Diagnostic Systems Laboratories, Inc.

LH IRMA Test

Description:...cts to stimulate theca cell production of androgens which are aromatized to estrogens in the granulosa cells. In the late follicular phase, the increased amounts...re of the graafian follicle and ovulation [1,2,3]. During the luteal phase, estrogens and progesterone exert negative feedback on the pituitary, resulting in low...
Company:Diagnostic Systems Laboratories, Inc.

Unconjugated Estriol, Ultra-Sensitive EIA Test

Description:... Estriol (E3) is one of the 3 major naturally occurring estrogens (the others being estradiol and estrone). In terms of estrogenic activity, estriol is much less potent than estradiol [1]. Estriol is produced almost ...
Company:Diagnostic Systems Laboratories, Inc.

Unconjugated Estriol, Ultra-Sensitive RIA Test

Description:... Estriol (E3) is one of the 3 major naturally occurring estrogens (the others being estradiol and estrone). In terms of estrogenic activity, estriol is much less potent than estradiol [1]. Estriol is produced almost ...
Company:Diagnostic Systems Laboratories, Inc.

Estrone RIA Test

Description:... Estrone (E1) is one of the three major naturally-occurring estrogens. Other natural estrogens include estradiol and estriol. Estrone is produced primarily from androstenedione originating from either the adrenal cortex or gonads [1,2]. In preme...
Company:Diagnostic Systems Laboratories, Inc.
Estrogens in Medical Dictionary

Progesterone

...the treatment protocols progesterone is not produced by the ... How estrogens and progesterone achieve their effects ... called the estrogen (or pro...revent the overgrowth of the lining of the uterus in women who are taking estrogens for the symptoms of ... Women in Balance is the only national nonprofit...

Hypercoagulable states

... Read doctor-produced health and medical information written for you to ... Causes of hypercoagulable states include medications (female hormones, estrogens ... Hypercoagulable states are conditions that may lead to the abnormal development of blood clots. ... Thromboembolic states . Causes, i...

Estrogen

...lance, estrogen dominance, progesterone cream, fibroid tumors, endometriosis, and more. ... Estriol is considered the "good estrogen . ... estrogens (alternative spellings: oestrogens or œstrogens) are a group of ... These secondary sources of estrogen are especially important in postmenopausa...
Estrogens in Biological News

Compounds in plastic packaging act as environmental estrogens altering breast genes

Compounds found in plastic products used to wrap or contain food and beverages have aroused concerns as possible cancer-causing agents because they can sometimes leach out of the plastic and migrate into the food, especially after heating or when the plastic is old or scratched. In two studies fund...

Evolution of a contraceptive for sea lamprey

...structure of the lamprey estrogen receptor. The active estrogen in lamprey is unknown, although recent research in the field suggested that lamprey estrogens contain a 15alpha-hydroxyl group, which is lacking in other types of vertebrate estrogen. The model developed by the UC San Diego research team uncov...

Hormone-mimics in plastic water bottles -- just the tip of the iceberg?

... plastic bottles compared with glass bottles. Taken together, these results demonstrate widespread contamination of mineral water with potent man-made estrogens that partly originate from compounds leaching out of the plastic packaging material. The authors conclude: "We must have identified just the tip of...

Study links water pollution with declining male fertility

...hese pollutants and work with regulators and relevant industry to test the effects of a mixture of these chemicals and the already known environmental estrogens and help protect environmental health. Senior author Professor Charles Tyler of the University of Exeter said: Our research shows that a much wid...

HWI scientist first in world to unravel structure of key breast cancer target enzyme

...ss of gender, everyone has some percentage of both estrogens and androgens in their bodies. Each of the enzymes...the only enzyme in the vertebrate world that makes estrogens from androgens. All estrogens in the human body are made by aromatase. Drugs, su...

Persistent pollutant may promote obesity

...ic to chemical triggers present in the modern environment. Several other ubiquitous pollutants with strong biological effects, including environmental estrogens such as bisphenol A and nonylphenol, have been shown to stimulate the growth of fat storage cells in mice. The role that tributyltin and similar persi...

BioScience tip sheet, December 2008

...rles R. Tyler and Susan Jobling. Male roach in English rivers often develop female characteristics, a consequence of natural and synthetic steroidal estrogens and chemicals that mimic estrogens. The toxic effects of these chemicals can alter reproductive behavior and might be reducing population sizes. C...

Severe gestational hypertension may protect against testicular cancer

...placenta may lower the risk," said Pettersson. "One possible reason is that estrogens are lower in pregnancies that develop severe gestational hypertension or preeclampsia, and this lack of estrogens may lower the risk of testicular cancer." Pettersson and colleagues obse...

The dietary supplement genistein can undermine breast cancer treatment

...bitors, which are designed to reduce the levels of estrogens that can promote tumor growth in some types of bre...s is converted to testosterone and estrogens. The estrogens produced from AD can stimulate the growth of some ...to breast cancer patients and survivors." Plant estrogens from soy are not the only ones of concern, Helferi...

Sex hormones link to heart risk

...ion". "We examined associations of circulating estrogens (estradiol and estrone) as well as androgens (test... demonstrated associations between cholesterol and estrogens were independent of other sex hormones (testostero...ctors. "Our data suggest that higher levels of estrogens may have negative influence on lipid profile in me...
Estrogens in Biological Technology

Retrospective Analysis of Phase 3 Data Suggest Wyeth's Investigational Compound Bazedoxifene/Conjugated Estrogens Comparable to Placebo on Incidence of Abnormal Mammograms

Separate Retrospective Analysis of Phase 3 Data Offers Additional Information on Bazedoxifene Alone COLLEGEVILLE, Pa., Sept. 25 /PRNewswire/ -- A retrospective analysis of Phase 3 two-year data presented at the annual meeting of the North American Menopause Society (NAMS) suggest that postme...

New Analysis Finds Bioidentical Hormones Safer Than Standard Hormone Replacement Therapy

...trogen or progesterone effects in the body. In contrast, bioidentical hormone replacement contains molecules that are exact replicas of the endogenous estrogens and progesterone found in the body and, as such, have distinctly different physiological effects than their synthetic counterparts. The Holtorf M...

Bionovo Publishes Discoveries in Predictable Tissue Selectivity for Selective Estrogen Receptor Modulators Platform

...nd Reproductive Sciences at the University of California, San Francisco . "This study identified gene elements that are activated by SERMs but not by estrogens used in hormone therapy. The identification of these elements, coupled with the understanding of the differential regulation in various tissues by eac...

Wyeth's Motion to Overturn Punitive Damages Award Granted by Arkansas Court

...ancer from the use of Premarin(R) and Prempro(R), products marketed by Wyeth, as well as Provera, a product marketed by Upjohn. Premarin (conjugated estrogens tablets USP) and Prempro (conjugated estrogens/medroxyprogesterone acetate tablets) are approved by the U.S. Food and Drug Administration as safe and ...

Wyeth To Appeal Arkansas Hormone Therapy Trial Verdicts

... The plaintiff alleged that she developed breast cancer from the use of Premarin(R) and Prempro(R), products marketed by Wyeth. Premarin (conjugated estrogens tablets USP) and Prempro (conjugated estrogens/medroxyprogesterone acetate tablets) are approved by the U.S. Food and Drug Administration as safe and ...

WHI Findings Published in JAMA Do Not Affect Clinical Guidance for the Appropriate Use of Hormone Therapy

...or the shortest time based on her goals and risks. If a woman has a uterus, estrogens increase the risk of uterine cancer. Adding a progestin greatly reduces this risk. Women should re-evaluate the use of estrogens and progestins with their health care professional. If a woman is not havin...

Bio-Identical Hormone Menopause Doctor Responds to Outrageous FDA News

...ormone Estriol, Not to Use the Term 'Bio-identical' SPOKANE, Wash., Jan. 11 /PRNewswire/ -- "The FDA statement regarding compounded estrogens -- which include estradiol and estriol -- progesterone, and other compounded hormones was very surprising to me and other medical experts in the field...
Estrogens in Biological Definition

Hormone

...ormones is used as medication . The most commonly prescribed hormones are estrogens and progestagens (in the contraceptive pill and as HRT ), thyroxine ...one sulfate (DHEAS) androstenedione dihydrotestosterone (DHT) estrogens estradiol Progestagens progesterone Progestins ...
Estrogens in Biological Dictionary

Pachytene

...y·tene/ (pak'ĭ-tēn) in the prophase of meiosis, ... pachytene ... ... (ERß) and P450 aromatase in pachytene spermatocytes suggests a role for estrogens ... a well-known model of pachytene spermatocyte apoptosis in adult rats ... After elutriation, pachytene spermatocytes were cultured in mini...

Hormones

...rkable coordination in the body. ... Want the truth about male and female hormones ? ... The major female and male hormones can be classified as estrogens or androgens. ... 4.3 How growth hormones boost production. 4.4 Animal health and welfare ... Exposure to growth hormones in beef could be putt...

Estrogen

...ee principle forms of estrogen found in the human body estrone, ... estrogens (alternative spellings: oestrogens or œstrogens) are a group of ... Thes...y, A discussion about menopause, its causes, its diagnosis, and the use of estrogens and ... Brief and Straightforward Guide: What is Estrogen ? ... What I...
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