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Hormonal in Biological News

IVF does not increase risk of developmental disorders in children

... is utilised. In this latter method, the need for hormonal medication is much reduced, although minimal hormonal support is still necessary in order to prevent ... only because it informs us about the effect of hormonal stimulation on brain development, but also ...

Quest for better treatment for effects of menopause

... thus prevent associated problems, substitutive hormonal therapies are prescribed during the menopause, ... raloxifene and, on the other, to a substitutive hormonal treatment combining estradiol (a type of ... cholesterol) particles. As regards combined hormonal therapy, Ruiz del Agua points to two main ...

Pathway found that lets mosquitoes fatten up, slow down for winter

... But this new research has determined that a hormonal response is behind the mosquitos ability to store ... whole pathway how the shortening days signal the hormonal shifts that tell mosquitoes to halt development, ... two genes, the scientists were able to both mimic hormonal circumstances that initiate diapause as well as ...

Gene linked to lupus might explain gender difference in disease risk

... to be sex-linked, Dr. Mohan said. For decades, researchers have focused on hormonal differences between males and females as a cause of the gender difference, ... Future research will investigate the role that X-linked genes, versus hormonal differences, play in the gender susceptibility rates of lupus. ...

UNC, Yale partner to study effects of cocaine use on mother-infant relationships

... how cocaine use during pregnancy affects mothers' brain structures and hormonal systems, alters their genetic responses and affects how mothers respond to ... did not. Project 2, also based at UNC, will examine mothers' emotional and hormonal responses when feeding and cuddling their infants, and to baby-related ...

Research shows that the pill does not deserve its reputation for causing weight gain

... informedhealthonline.org . Weight gain from the Pill not proven hormonal methods of contraception and intrauterine devices (IUDs) are the most ... women when they use the Pill have not proven any substantial link between hormonal contraception and weight gain," says Professor Sawicki. "Many women gain ...

Breast cancer cells recycle to escape death by hormonal therapy

... Studies. "About 50 to 60 percent of these women really benefit from hormonal therapy," says Dr. Schoenlein. Why others don't has been asked for at ... the autophagosome function will significantly improve the efficacy of hormonal treatment for estrogen-positive breast cancer," says the researcher. She ...

Risks and benefits of antipsychotics in children and adolescents

... for six months (Castro-Fornieles et al., in press). Metabolic and hormonal safety Childhood obesity is increasing worldwide and is associated with ... In the first study directly comparing weight gain and other metabolic and hormonal risk factors after treatment with 3 different new-generation ...

Mouse study: When it comes to living longer, it's better to go hungry than go running

... Md. (May 14, 2008) A study investigating aging in mice has found that hormonal changes that occur when mice eat significantly less may help explain an ... calorie restricted people to people who are avid exercisers, found similar hormonal benefits among those eating less. However, calorie restriction studies are ...

Family conditions may affect when girls experience puberty

... The study followed the children through middle school, testing the first hormonal changes of pubertythe awakening of the adrenal glandsin 120 of the ... and depression (but only when reported by fathers) experienced the first hormonal changes of puberty later than other children, the researchers found. In ...

Contraception: progress brings hope for new methods for men

... and muscle-wasting treatment may have a side benefit: it could work as a hormonal contraceptive that could be taken as a pill. Until now, most "male Pill" ... also announcing new targets for contraception, and incremental progress on hormonal approaches ("the male Pill"). Many other teams will present late-breaking ...

Obesity and the central nervous system -- the state of the art

... (CNS) in the development of obesity and the influence of peripheral, hormonal signals that regulate CNS function to regulate food intake and metabolism. ... energy expenditure. An impaired ability of the brain to respond to hormonal or nutrient-related signals would be predicted to favour weight gain and ...

The way you eat may affect your risk for breast cancer

... Research . In the editorial Pollak wrote: "there is reason for concern that the 'obesity epidemic' may lead to an increased prevalence of a hormonal profile associated with elevated cancer risk and/or an adverse cancer prognosis. Therefore, in addition to its well-known general health benefits, ...

Health benefits of physical activity more pronounced in women

... cholesterol levels were only significantly decreased in African-American women. The authors speculate that these novel differences may arise from hormonal differences between the sexes, especially considering the extra effects seen post-menopause. The racial differences observed may stem from genetic ...

2 reproductive factors are important predictors of death from ovarian cancer

... among women with ovarian cancer is influenced by age of menarche and total number of lifetime ovulatory cycles. This finding suggests that hormonal activity over the course of a woman's lifetime may influence the prognosis after an ovarian cancer diagnosis. Results of this study are published in ...

Genetic factors implicated in survival gap for breast, ovarian or prostate cancer

... lower rate of survival. "The findings from these two studies are important as they suggest a possible role for biologic factors such as genetics, hormonal factors, comorbid conditions and tumor biology in cancer disparities. A better understanding of all the factors that contribute are critical, so that ...

Who goes abroad for fertility treatment and why?

... Not only did 2 out of the 18 qualifying centres not reply, but centres which only provided treatments that were less technically demanding, such as hormonal stimulation or artificial insemination, were not included. Additionally, no data were included from countries which provided fewer than five ...

Targeting helpers of heat shock proteins could help treat cancer, cardiovascular disease

... goal is to interfere with their function when they are helping cancer." Hsp90 is vital to steroid receptors whether they are involved with normal hormonal function or cancer. Vital to Hsp90 are helpers such as p23 that help it dock at the receptor, and another Dr. Chadli discovered, GCUNC45, that helps ...

Not 1, but 2 kinds of males found in the invasive round goby

... on how populations of this invasive species are likely to grow and spread through time and space." The McMaster scientists compared the physical, hormonal and sperm traits of hundreds of males, and found that the nest-guarding, parental males were big, black and had wide heads. The small female-like ...

Single women gaze longer

... as quickly as possible. The men and women ranged in age from 17 to 26, were heterosexual, from a variety of ethnic backgrounds and were not using hormonal contraception. Of the women, 21 reported they had a current sexual partner; 25 of the men reported having a sexual partner. This is the first study ...

New evidence explains poor infant immune response to certain vaccines, says MU researcher

... enough to stop the death of the Th-1 cells," Zaghouani said. "After those initial days, the immune system is producing Th-1 cells with diminished hormonal receptors, thus surviving the effect of the compound that the Th-2 cells make." ...

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

... all mineral waters bottled in glass compared with 78% of waters in plastic bottles and both waters bottled in composite packaging showed significant hormonal activity. By breeding the New Zealand mud snail in both plastic and glass water bottles, the researchers found more than double the number of ...

NIH funds research center for women's reproductive health at Einstein

... and Infertility Research "Estrogen and Progesterone Regulation of Human Endometrial Cell Proliferation"Drs. Pollard and Santoro. "Reproductive hormonal Alterations in Obesity"Dr. Santoro, Maureen Charron, Ph.D., professor of biochemistry, of obstetrics & gynecology and women's health, and of ...

Major NSF grant boosts UNH research on hormonal genomics

... brain and pituitary hormones and receptors. With the four-year grant, Sower will build upon her decades of NSF-funded research in the fields of hormonal genomics and proteomics. Sower defines the project's focus as concentrating on the molecular, biochemical and functional studies of brain ...

Engineering bouncing babies, 1 at a time

... As hopeful moms-to-be learn, there are important considerations to the successful implantation of a fertilized human egg. A calm environment, regular hormonal injections and the timing of the implantation can all affect the outcome of an in-vitro procedure. Now a Tel Aviv University researcher is ...

New lab evidence suggests preventive effect of herbal supplement in prostate cancer

... is associated with a decreased risk of prostate cancer. Red clover (Trifolium pretense) is one source of isoflavones. Both supplements may have hormonal effects in the prostate and little is known about the safety of these supplements. In a recent report in Cancer Prevention Research , a journal ...

Research project to boost European fish farming

... of Gothenburg for research on growth and development physiology, intestinal physiology, the adaptation of fish to different environments and hormonal regulation of different life processes. "In this project we will be primarily conducting research on the four most important farmed species in ...

Leptin's long-distance call to the pancreas

... whether the hormone relied on the sympathetic nervous system, the branch that pumps out adrenaline during emergencies but at other times emits a hormonal trickle to maintain a low level of stimulation. This baseline activity was lower in mice lacking the leptin receptor, indicating a connection between ...

High blood sugar's impact on immune system holds clues to improving islet cell transplants

... insight for transplants. High blood glucose, or hyperglycemia, causes all sorts of dysregulation throughout the body. "It throws off metabolism, hormonal interplay and increases the risk of severe infections," Dr. Pacholczyk said. A shot of insulin or an islet cell transplant normalizes blood glucose ...

Mayo Clinic research on tamoxifen leads to recommendation for CYP2D6 gene test

... that the combined index will identify patients with early stage breast cancer who haveith a higher risk of distant metastases when treated only with hormonal therapy, the researchers say. ...

Why the 'perfect' body isn't always perfect

... and competitiveness. Cortisol, a hormone that helps the body deal with stressful situations, also increases fat carried around the waist. "The hormonal profile associated with high WHR (waist-to-hip ratio) may favor success in resource competition, particularly under stressful circumstances," writes ...

Hairspray is linked to common genital birth defect, says study

... and hypospadias may be linked because of chemicals in hairspray known as phthalates. Previous studies have proposed that phthalates may disrupt the hormonal systems in the body and affect reproductive development. It is thought that hypospadias affects around 1 in 250 boys in the UK and in the USA, ...

Making flies sick reveals new role for growth factors in immunity

... studied in fruit flies and the focus of the published study by the Newfeld group, is the growth factor Decapentaplegic (Dpp). Dpp acts as a hormonal signaling device, binding to cells and communicating, for instance, whether to divide or to stop growing or even to become a different type of cell. ...

Low sperm count may be associated with prenatal testosterone excess

... can occur in two ways, said Dr. Recabarren. First, the exposure may be a product of increased sexual steroids in the maternal environment due to a hormonal condition such as polycystic ovary syndrome. Second, humans are exposed to several industrial pollutants which can act as steroid mimics, causing the ...

Is that song sexy or just so-so?

... "Social behaviors such as courtship, parenting and aggression depend primarily on two factors: a social signal to trigger the behavior, and a hormonal milieu that facilitates or permits it," says Emory neuroscientist Donna Maney, who led the study. "Our results demonstrate a possible neural ...

Genes and nutrition influence caste in unusual species of harvester ant

... mechanisms by which genetics or diet influence caste are not yet known, Smith said, but in P. badius both play an important role. There may be a hormonal response, for example, that is driven in part by genetics and in part by nutrition that determines the trajectory of an individual ant's development, ...

Plant steroids offer new paradigm for how hormones work

... receptors are anchored to the outside surface of the cell membranes. A challenge for researchers has been to piece together the steps by which the hormonal signal is transmitted from the cell surface receptor to its action in the nucleus, where genes are the targets of regulation. Traditionally, genetic ...

National Zoo giant panda pregnancy update

... inseminated Mei Xiang with semen from the Zoo's male giant panda Tian Tian (t-YEN t-YEN) March 19. Since then, scientists have conducted weekly hormonal analyses on daily urine samples from Mei Xiang. Zoo veterinarians are conducting weekly ultrasounds on Mei Xiang to monitor any changes in her ...

Weight-loss surgery can cut cancer risk

... thought to be responsible for increased hormone production, a major risk factor for breast and colon cancer. Thus so modifications to the patient's hormonal metabolism due to weight loss might explain the lower incidence of these cancers in patients who underwent surgery. "Bariatric surgery is an ...

High hormone levels in seabird chicks prepare them to kill their siblings

... a "sensitive period" in their growth, when long-term growth patterns are easily affected. Some Nazca booby nestlings experience a one-two hormonal punch, raising their aggression hormones even higher when they actually have a nest mate. The nestlings that fight siblings become bigger bullies as ...
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(Date:4/17/2014)... One day about eight years ago, Katia Silvera , ... her father were on a field trip in a mountainous ... they had never seen before. , Unable to identify it, ... The orchid turned out to be an unnamed species. So ... . , "Lophiaris" is the genus name, comprising about 40 ...
(Date:4/17/2014)... of forests in the Amazon help create tinderbox ... rapid and widespread forest loss during drought years, ... show that forests in the Amazon could reach ... forest fires lead to large-scale loss of trees, ... professor of geography, Penn State. , "We documented ...
(Date:4/17/2014)... Current Biology on April 17 have discovered little-known ... insects, which represent four distinct but related species in ... of an animal with sex-reversed genitalia. , "Although ... Neotrogla is the only example in which ... from Hokkaido University in Japan. , During copulation, which ...
Breaking Biology News(10 mins):Orchid named after UC Riverside researcher 2Orchid named after UC Riverside researcher 3Drought and fire in the Amazon lead to sharp increases in forest tree mortality 2Drought and fire in the Amazon lead to sharp increases in forest tree mortality 3In sex-reversed cave insects, females have the penises 2
(Date:4/17/2014)... new study has found that India,s shocking rates of ... farmers who are clinging to tiny smallholdings less ... crops, such as cotton and coffee, that are highly ... a range of previous case studies that point to ... following the ,liberalisation, of the nation,s economy during the ...
(Date:4/17/2014)... Giving patients adrenaline after they suffer a cardiac arrest ... of surviving long-term, according to new research conducted at ... who have a cardiac arrest get adrenaline, which has ... decades," said Dr. Steve Lin, an emergency physician and ... in medical treatment, long-term survival rates of patients who ...
(Date:4/17/2014)... its status as the leading weapon against the deadly ... with new research indicating it simply needs to be ... of the cheap anti-malarial drug chloroquine in treating and ... more than half a million people each year around ... developed resistance to chloroquine, but research carried out at ...
(Date:4/16/2014)... of the embryo. It begins as a glob of identical ... become the cells of our lungs, muscles, nerves and all ... a feat of reverse tissue engineering, Stanford University researchers have ... cells to proliferate and transform into all of the specialized ...
(Date:4/16/2014)... Celldex Therapeutics, Inc. (NASDAQ: CLDX) announced today that ... in solid tumors, including long-term patient follow-up, have been ... Issue 232). The data demonstrate robust antibody and T ... with very advanced cancers and suggest that CDX-1401 may ...
Breaking Medicine News(10 mins):Health News:New evidence of suicide epidemic among India's 'marginalized' farmers 2Health News:New evidence of suicide epidemic among India's 'marginalized' farmers 3Health News:Adrenaline does little to increase patient's survival after cardiac arrest 2Health News:Scientists find new way to fight malaria drug resistance 2Health News:Stanford scientists develop 'playbook' for reverse engineering tissue 2Health News:Stanford scientists develop 'playbook' for reverse engineering tissue 3Health News:Celldex's Phase 1 study of CDX-1401 published in Science Translational Medicine 2Health News:Celldex's Phase 1 study of CDX-1401 published in Science Translational Medicine 3Health News:Celldex's Phase 1 study of CDX-1401 published in Science Translational Medicine 4
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