Dr Haston’s study is pointing at genetics as contributing to this bone frailty, a finding which may have some implications in changing therapeutic practices. The article was published on February 1, 2008 in the American Journal of Respiratory and Critical Care Medicine.
The medical community generally considers the bone fragility associated with cystic fibrosis to be multifactorial. It is thought to be a consequence of the mutation of the Cftr gene, the gene responsible for cystic fibrosis, of the pancreatic disease associated with cystic fibrosis and of the treatment with steroids to facilitate breathing.
The study showed that mice with a Cftr gene mutation have a bone mineral density and bone mass that are significantly lower than those of control mice. This difference occurs without the pancreatic insufficiency seen clinically and in the absence of steroid treatment.
This conclusion clearly defines cystic-fibrosis-related bone problems as an additional pathology stemming from the Cftr mutation and not as a side effect of treatment. This may have some therapeutic consequences as it opens an avenue for defining a targeted treatment in mice.
Although the precise mechanism that links this mutation to bone development is unknown, studying these mice at different ages corresponding to childhood, adolescence and adulthood has shown that the bone structures of mice with the Cftr mutation get closer to the norm as the mice age; in other words, the genetic mutation seems to just slow bone growth and not prevent it. However, this partial conclusion requires further study to be confirmed.
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At the LASYS 2018, from June 5th to 7th, the Laser Zentrum Hannover e.V. (LZH) will be showcasing processes for the laser material processing of tomorrow in hall 4 at stand 4E75. With blown bomb shells the LZH will present first results of a research project on civil security.
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A team led by Austrian experimental physicist Rainer Blatt has succeeded in characterizing the quantum entanglement of two spatially separated atoms by observing their light emission. This fundamental demonstration could lead to the development of highly sensitive optical gradiometers for the precise measurement of the gravitational field or the earth's magnetic field.
The age of quantum technology has long been heralded. Decades of research into the quantum world have led to the development of methods that make it possible...
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