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New tool puts plant hormone under surveillance

Charles Darwin was the first to speculate that plants contain hormones. His pioneering research led to the identification of the very first and key plant growth hormone - auxin - in 1937. Seventy five years on an international team of researchers have made another break-through in our understanding of this important plant hormone.



Hormone sensitivity of breast stem cells

Researchers have discovered that breast stem cells are exquisitely sensitive to the female hormones oestrogen and progesterone, a finding that opens the way for the development of new preventions and treatments for breast cancer.



Stress hormone, depression trigger obesity

Depression raises stress hormone levels in adolescent boys and girls but may lead to obesity only in girls, according to researchers.



Hormone key to alcohol dependence

A team of scientists has found that a specific stress hormone, the corticotropin-releasing factor, is key to the development and maintenance of alcohol dependence in animal models.



Fat hormone linked to death

A study has found that lower-than-normal levels of a naturally-occurring fat hormone may increase the risk of death from sepsis-an overwhelming infection of the blood which claims thousands of lives each year.



Fatty foods fire up hunger hormone

New research suggests that the hunger hormone ghrelin is activated by fats from the foods we eat - not those made in the body - in order to optimise nutrient metabolism and promote the storage of body fat.



Autism linked with stress hormone levels

Some of the symptoms of the autistic condition Asperger Syndrome, such as a need for routine and resistance to change, could be linked to levels of the stress hormone cortisol.



Hormone replacement therapy

There are no significant differences in the risk of developing RA or the severity of RA between postmenopausal women who are on hormone replacement therapy and those who took placebos.



Plant hormone production

Researchers have pinpointed a small group of genes responsible for "telling" plants when, where and how to produce a hormone that is key to their development.



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