How can I reuse a set of properties/values to initialize an object of a class derived from DependencyObject?

How can I reuse a set of properties/values to initialize an object of a class derived from DependencyObject?

I have a number of DataGridTemplateColumns in my DataGrid (Silverligh 4 SDK). All of them share the same set of settings. So how can I define a set of values for the same properties once and then reuse it to initialize all the columns (without having to specify them over and over for each column explicitly)? I cannot use Style because there is no such thing as Style for DataGridTemplateColumn because

You can set a Style on any element that derives from FrameworkElement.

which is not the case for DataGridTemplateColumn

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