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The role of 27HC and estrogen in obesity
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<blockquote data-quote="madman" data-source="post: 157627" data-attributes="member: 13851"><p><span style="color: rgb(184, 49, 47)"><strong>A single cholesterol-derived molecule, called 27-hydroxycholesterol (27HC), lurks inside your bloodstream and will increase your body fat, even if you don't eat a diet filled with red meat and fried food. </strong></span><span style="color: rgb(26, 188, 156)"><strong>That kind of diet, however, will increase the levels of 27HC and body weight. </strong></span></p><p></p><p></p><p><span style="color: rgb(44, 130, 201)"><strong>"We found 27HC directly affects white adipose (fat) tissue and increases body fat, even without eating the diet that increases body fat,"</strong></span><span style="color: rgb(0, 0, 0)"><strong> reports University of Houston assistant professor of biology Michihisa Umetani in the journal Endocrinology. First author of the paper, doctoral student Arvand Asghari, adds, </strong></span><span style="color: rgb(44, 130, 201)"><strong>"But it does need some help from the diet to increase body weight because it expands the capacity of the fat already in the body."</strong></span></p><p></p><p></p><p></p><p><strong>Role of estrogen receptors</strong></p><p></p><p><span style="color: rgb(184, 49, 47)"><strong>Obesity is one of the main risk factors influencing cardiovascular disease worldwide in both men and women and estrogen plays a role in both sexes.</strong></span> <span style="color: rgb(26, 188, 156)"><strong>Menopause in females, with its accompanying decrease in estrogen,</strong></span><span style="color: rgb(184, 49, 47)"><strong> seems to hasten the increase in fat tissue because estrogen protects against adiposity and body weight gain. </strong></span><span style="color: rgb(26, 188, 156)"><strong>In men, estrogens are also synthesized locally by conversion of testosterone, </strong></span><span style="color: rgb(184, 49, 47)"><strong>so they may also play important roles in the development of fat tissues in males. </strong></span></p><p></p><p></p><p><strong><span style="color: rgb(184, 49, 47)">"Estrogen receptors (ER? and ER?) are members of the nuclear receptor superfamily and are present in adipocytes," </span></strong>said Umetani. <span style="color: rgb(26, 188, 156)"><strong>"Patients with a nonfunctional ER? are obese, and those that do not have ER? have increased fat tissue even when they eat the same amount of food, indicating that ER? is the important isoform in the regulation of adipose tissue by estrogen." </strong></span></p><p></p><p></p><p><strong><span style="color: rgb(184, 49, 47)">The main function of 27HC in the liver is to reduce excess cholesterol.</span></strong> <span style="color: rgb(44, 130, 201)"><strong>Previously, Umetani discovered that 27HC binds to estrogen receptors and acts as an inhibitor of ER action in the vasculature. </strong></span><span style="color: rgb(147, 101, 184)"><strong>It turned out that the effects by 27HC are tissue specific, thus 27HC is the first identified naturally produced selective estrogen receptor modulator, or SERM. </strong></span></p></blockquote><p></p>
[QUOTE="madman, post: 157627, member: 13851"] [COLOR=rgb(184, 49, 47)][B]A single cholesterol-derived molecule, called 27-hydroxycholesterol (27HC), lurks inside your bloodstream and will increase your body fat, even if you don't eat a diet filled with red meat and fried food. [/B][/COLOR][COLOR=rgb(26, 188, 156)][B]That kind of diet, however, will increase the levels of 27HC and body weight. [/B][/COLOR] [COLOR=rgb(44, 130, 201)][B]"We found 27HC directly affects white adipose (fat) tissue and increases body fat, even without eating the diet that increases body fat,"[/B][/COLOR][COLOR=rgb(0, 0, 0)][B] reports University of Houston assistant professor of biology Michihisa Umetani in the journal Endocrinology. First author of the paper, doctoral student Arvand Asghari, adds, [/B][/COLOR][COLOR=rgb(44, 130, 201)][B]"But it does need some help from the diet to increase body weight because it expands the capacity of the fat already in the body."[/B][/COLOR] [B]Role of estrogen receptors[/B] [COLOR=rgb(184, 49, 47)][B]Obesity is one of the main risk factors influencing cardiovascular disease worldwide in both men and women and estrogen plays a role in both sexes.[/B][/COLOR] [COLOR=rgb(26, 188, 156)][B]Menopause in females, with its accompanying decrease in estrogen,[/B][/COLOR][COLOR=rgb(184, 49, 47)][B] seems to hasten the increase in fat tissue because estrogen protects against adiposity and body weight gain. [/B][/COLOR][COLOR=rgb(26, 188, 156)][B]In men, estrogens are also synthesized locally by conversion of testosterone, [/B][/COLOR][COLOR=rgb(184, 49, 47)][B]so they may also play important roles in the development of fat tissues in males. [/B][/COLOR] [B][COLOR=rgb(184, 49, 47)]"Estrogen receptors (ER? and ER?) are members of the nuclear receptor superfamily and are present in adipocytes," [/COLOR][/B]said Umetani. [COLOR=rgb(26, 188, 156)][B]"Patients with a nonfunctional ER? are obese, and those that do not have ER? have increased fat tissue even when they eat the same amount of food, indicating that ER? is the important isoform in the regulation of adipose tissue by estrogen." [/B][/COLOR] [B][COLOR=rgb(184, 49, 47)]The main function of 27HC in the liver is to reduce excess cholesterol.[/COLOR][/B] [COLOR=rgb(44, 130, 201)][B]Previously, Umetani discovered that 27HC binds to estrogen receptors and acts as an inhibitor of ER action in the vasculature. [/B][/COLOR][COLOR=rgb(147, 101, 184)][B]It turned out that the effects by 27HC are tissue specific, thus 27HC is the first identified naturally produced selective estrogen receptor modulator, or SERM. [/B][/COLOR] [/QUOTE]
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The role of 27HC and estrogen in obesity
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