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Hip replacement is a surgical procedure in which the hip joint is replaced by a prosthetic implant, that is, a hip prosthesis. [1] Hip replacement surgery can be performed as a total replacement or a hemi/semi (half) replacement.
Stem cell transplantation for articular cartilage repair. Mesenchymal stem cells (MSCs) are multipotent cells found in multiple human adult tissues, including bone marrow, synovial tissues, and adipose tissues. Since they are derived from the mesoderm, they have been shown to differentiate into bone, cartilage, muscle, and adipose tissue.
Microfracture techniques show new potential, as animal studies indicate that microfracture-activated skeletal stem-cells form articular cartilage, instead of fibrous tissue, when co-delivered with a combination of BMP2 and VEGF receptor antagonist.
Human induced pluripotent stem cells (iPSCs) are an alternative cell source that have the potential to self-renew and provide an almost unlimited number of cells with pluripotent capabilities, or the ability to differentiate into many different cell types.
Stem-cell therapy has become controversial following developments such as the ability of scientists to isolate and culture embryonic stem cells, to create stem cells using somatic cell nuclear transfer, and their use of techniques to create induced pluripotent stem cells. This controversy is often related to abortion politics and human cloning. Additionally, efforts to market treatments based ...
The effectiveness of cartilage growth after microfracture surgery is thought to be dependent on the patient's bone marrow stem cell population and some think increasing the number of stem cells increases the chances of success. A couple of physicians are promoting an alternative treatment implanting autologous mesenchymal stem cells directly into the cartilage defect, without having to ...
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