High cholesterol can cause bone loss

High cholesterol can cause bone loss

Sydney, Oct 16 (IANS) High cholesterol, which is a known factor for the decrease in heart health may harm more than our cardiovascular systems and lead to bone loss, say researchers including one of Indian-origin.

The new research conducted using animal models suggests that high levels of cholesterol can trigger mitochondrial oxidative stress on cartilage cells — connective tissue — causing them to die.

This may ultimately lead to the development of osteoarthritis — a type of arthritis that occurs when flexible tissue at the ends of bones wears down, said Indira Prasadam, a researcher at Queensland University of Technology in Brisbane, Australia.

For the study, Prasadam and her team used two different animal models to mimic human hypercholesterolemia.

The first was a mouse model that had an altered gene called Apolipoprotein E that made the animals hypercholesteremic.

The other was a rat model, and the animals were fed a high-cholesterol diet, causing diet-induced hypercholesterolemia.

Both models were fed a high-cholesterol diet or control normal diet, after which they underwent a surgery that mimics knee injuries in people and was designed to bring on osteoarthritis.

Both the mice and the rats that were subjected to surgery and fed with high-cholesterol diets showed more severe osteoarthritis development than seen in the normal diet group.

However, when both the mice and the rats were exposed to the cholesterol-lowering drug atorvastatin and mitochondrion-targeted antioxidants, the development of osteoarthritis was markedly decreased in relation to the untreated groups.

This study tested the potential therapeutic role of mitochondria targeting antioxidants in high-cholesterol-induced osteoarthritis, the researchers said.

“Our team has already begun working alongside dieticians to try to educate the public about healthy eating and how to keep cholesterol levels at a manageable level that won’t damage joints,” Prasadam said.

The research was published online in The FASEB Journal.

Leave a Reply

Please enter your comment!

The opinions, views, and thoughts expressed by the readers and those providing comments are theirs alone and do not reflect the opinions of www.mangalorean.com or any employee thereof. www.mangalorean.com is not responsible for the accuracy of any of the information supplied by the readers. Responsibility for the content of comments belongs to the commenter alone.  

We request the readers to refrain from posting defamatory, inflammatory comments and not indulge in personal attacks. However, it is obligatory on the part of www.mangalorean.com to provide the IP address and other details of senders of such comments to the concerned authorities upon their request.

Hence we request all our readers to help us to delete comments that do not follow these guidelines by informing us at  info@mangalorean.com. Lets work together to keep the comments clean and worthful, thereby make a difference in the community.

Please enter your name here