Medical research

A link between mitochondrial damage and osteoporosis

Some risk factors for osteoporosis such as being older and female or having a family history of the condition cannot be avoided. But others can, like smoking cigarettes, consuming alcohol, taking certain medications, or being ...

Diseases, Conditions, Syndromes

The delicate balance of treating growing but brittle bones

Osteoporosis is a medical condition that causes bones to become fragile and brittle. It is a major health problem worldwide, mainly affecting adults. However, children can also rarely be affected as a result of other diseases ...

Medical research

Non-coding RNA molecule could play a role in osteoporosis

Researchers from Hong Kong Baptist University and colleagues have demonstrated that a molecule called miR-214-3p plays a role in inhibiting bone formation. MiR-214-3p is a microRNA (miRNA): a non-coding RNA involved in regulating ...

Diseases, Conditions, Syndromes

Study reveals new findings about cause of lesions around jaw bone

Osteonecrosis of the jaw is a debilitating and painful condition in which oral lesions develop in individuals taking drugs such as bisphosphonate or denosumab, which are commonly used in treatments for osteoporosis and for ...

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Osteoclast

An osteoclast (from the Greek words for "bone" (Οστό) and "broken" (κλαστός)) is a type of bone cell that removes bone tissue by removing its mineralized matrix and breaking up the organic bone (organic dry weight is 90% collagen). This process is known as bone resorption. Osteoclasts were discovered by Kolliker in 1873. Osteoclasts and osteoblasts are instrumental in controlling the amount of bone tissue: osteoblasts form bone, osteoclasts resorb bone. Osteoclasts are formed by the fusion of cells of the monocyte-macrophage cell line. Osteoclasts are characterized by high expression of tartrate resistant acid phosphatase (TRAP) and cathepsin K.

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