Abstract:
:This work was aimed to assess whether voluntary exercise rescued behavioral and hippocampal alterations in mice lacking the lysophosphatidic acid LPA1 receptor (LPA1-null mice), studying the potential relationship between the amount of exercise performed and its effects. Normal and LPA1-null mice underwent 23 days of free wheel running and were tested for open-field behavior and adult hippocampal neurogenesis (cell proliferation, immature neurons, cell survival). Running decreased anxiety-like behavior in both genotypes but increased exploration only in the normal mice. While running affected all neurogenesis-related measures in normal mice (especially in the suprapyramidal blade of the dentate gyrus), only a moderate increase in cell survival was found in the mutants. Importantly, the LPA1-nulls showed notably reduced running. Analysis suggested that defective running in the LPA1-null mice could contribute to explain the scarce benefit of the voluntary exercise treatment. On the other hand, a literature review revealed that voluntary exercise is frequently used to modulate behavior and the hippocampus in transgenic mice, but half of the studies did not assess the quantity of running, overlooking any potential running impairments. This study adds evidence to the relevance of the quantity of exercise performed, emphasizing the importance of its assessment in transgenic mice research.
journal_name
Neurosci Resjournal_title
Neuroscience researchauthors
Castilla-Ortega E,Rosell-Valle C,Blanco E,Pedraza C,Chun J,Rodríguez de Fonseca F,Estivill-Torrús G,Santín LJdoi
10.1016/j.neures.2013.09.004subject
Has Abstractpub_date
2013-11-01 00:00:00pages
170-9issue
3eissn
0168-0102issn
1872-8111pii
S0168-0102(13)00201-0journal_volume
77pub_type
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