Scientists discover a new hormone that could build strong bones
Researchers at UCSF and UC Davis have solved a long-standing puzzle on how the bones of breastfeeding women stay strong even as they lose calcium to milk.
21 hours ago
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Researchers at UCSF and UC Davis have solved a long-standing puzzle on how the bones of breastfeeding women stay strong even as they lose calcium to milk.
21 hours ago
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To understand why some cancers successfully circumvent the immune system to grow unchecked, researchers turned to pregnancy.
Jul 8, 2024
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Published today in Cancer Cell, results of a study directed by Joaquin Mateo, Head of the Vall d'Hebron Institute of Oncology's (VHIO) Prostate Cancer Translational Research Group, show that DNA/RNA material contained in ...
Jul 8, 2024
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A fungal toxin that hinders animal fertility and fetal development may also disrupt human sex hormones in pregnancy, according to a Rutgers Health study.
Jul 1, 2024
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A team of biomedical researchers from the U.S. and the U.K. has identified two groups of neurons that take part in the process of feeling full—one before eating and one after. In their study, published in the journal Science, ...
A common plastic chemical might increase a person's risk of diabetes, a new study warns.
Jun 26, 2024
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The stress hormone cortisol appears to play a role in tough-to-treat type 2 diabetes, a new study finds.
Jun 26, 2024
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Gender reveal parties are best known as celebrations involving pink and blue, cake and confetti, and the occasional wildfire. Along with being social media hits, gender reveals are a testament to how society is squeezing ...
Jun 25, 2024
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More than 85% of women—and more than 300 million people worldwide at any given time—use hormonal contraceptives for at least five years of their life. Although primarily taken for birth control, many people also use hormonal ...
Jun 25, 2024
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Scientists at the University of Copenhagen have discovered a link between birth weight and the risk of health complications from obesity during childhood. The findings highlight the need for prevention and treatment approaches ...
Jun 24, 2024
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Hormones (from Greek ὁρμή - "impetus") are chemicals released by cells that affect cells in other parts of the body. Only a small amount of hormone is required to alter cell metabolism. It is essentially a chemical messenger that transports a signal from one cell to another. All multicellular organisms produce hormones; plant hormones are also called phytohormones. Hormones in animals are often transported in the blood. Cells respond to a hormone when they express a specific receptor for that hormone. The hormone binds to the receptor protein, resulting in the activation of a signal transduction mechanism that ultimately leads to cell type-specific responses.
Endocrine hormone molecules are secreted (released) directly into the bloodstream, while exocrine hormones (or ectohormones) are secreted directly into a duct, and from the duct they either flow into the bloodstream or they flow from cell to cell by diffusion in a process known as paracrine signalling.
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