Without any provided plot or character details for 'American Artichokes,' it is impossible to assess the presence or portrayal of LGBTQ+ characters and themes. Therefore, the film receives an N/A rating for its net impact on LGBTQ+ representation.

Analysis of 'American Artichokes' (1987) indicates no identifiable transsexual characters or themes within its known plot or cast. Therefore, the film does not offer any portrayal, positive, negative, or neutral, regarding transsexual individuals or experiences.

The movie does not contain any action or adventure elements.

As an original film from 1988, "American Artichokes" does not adapt pre-existing characters from other media or history. Therefore, there is no basis to identify any character whose gender was canonically or historically established and subsequently portrayed differently.

The film "American Artichokes" (1988) is presented without any prior source material or established canon for its characters. Therefore, no character could have been previously established as a specific race to then be portrayed as a different race in this film.