Prolactin induced increase in neural stem cell numbers and...

C - Chemistry – Metallurgy – 12 – N

Patent

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C12N 5/0797 (2010.01) A61K 31/565 (2006.01) A61K 35/30 (2006.01) A61K 38/18 (2006.01) A61K 38/22 (2006.01) A61K 38/27 (2006.01) A61K 38/30 (2006.01) A61P 25/00 (2006.01)

Patent

CA 2460184

The present invention provides a method of increasing neural stem cell numbers or neurogenesis by using prolactin. The method can be practiced in vivo to obtain more neural stem cells in situ, which can in turn produce more neurons or glial cells to compensate for lost or dysfunctional neural cells. The method can also be practiced in vitro to produce a large number of neural stem cells in culture. The cultured stem cells can be used, for example, for transplantation treatment of patients or animals suffering from neurodegenerative diseases or conditions. In addition, since neural stem cells are a source for olfactory neurons, the present invention also provides methods of increasing olfactory neurons and enhancing olfactory functions.

La présente invention concerne une technique permettant d'augmenter le nombre de cellules souche neuronales ou la neurogenèse par utilisation de prolactine. On peut mettre cette technique en pratique in vivo de façon à obtenir davantage de cellules souche neuronales in situ, lesquelles peuvent à leur tour produire davantage de neurones ou de cellules gliales pour compenser une perte ou un dysfonctionnement de cellules neuronales. On peut aussi mettre cette technique en pratique in vitrode façon à produire un grand nombre de cellules souche neuronales de culture. On peut utiliser ces cellules souche de culture, par exemple, pour un traitement de transplantation de patients ou d'animaux souffrant de pathologies ou de maladies neurodégénératives. De plus, comme les cellules souche neuronales sont une source de neurones olfactifs, cette invention concerne aussi des techniques permettant d'augmenter le nombre de neurones olfactifs et de renforcer les fonctions olfactives.

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