Sen. Bernie Sanders Bernie SandersNYT editorial board remembers Ginsburg: She 'will forever have two legacies' Two GOP governors urge Republicans to hold off on Supreme Court nominee Sanders knocks McConnell: He's going against Ginsburg's 'dying wishes' MORE (I-Vt.) send out a fundraising solicitation Friday on behalf of the Democratic National Committee (DNC), the latest sign he's seeking to bring his supporters behind the party's presumptive nominee, Joe Biden Joe BidenMomentum growing among Republicans for Supreme Court vote before Election Day Trump expects to nominate woman to replace Ginsburg next week Video of Lindsey Graham arguing against nominating a Supreme Court justice in an election year goes viral MORE.

Sanders, who suspended his presidential campaign last week and later endorsed the former vice president, said he will do everything in his power to help defeat President Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE in November and touted the DNC’s work to elect Democrats up and down the ballot.

“My campaign for president may be over, but our struggle continues. That struggle begins with defeating Donald Trump, the most dangerous president in modern American history, but it does not end there. I will also be doing everything in my power to elect strong progressives at every level of government,” Sanders wrote. “That is why I am about to ask you to join me by making a donation to the Democratic Unity Fund today.”

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The statement was particularly notable given the bitterness between Sanders and the DNC during the 2016 presidential race, when many Sanders supporters believed the national party was seeking to help Democrat Hillary Clinton Hillary Diane Rodham ClintonJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Momentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina MORE win the nomination.

While some progressives have maintained their skepticism of the party establishment, Sanders repeatedly vowed throughout the campaign he’d support the party and the ultimate Democratic nominee in the race against Trump.

“Make a $7 contribution to the Democratic Unity Fund today to show your commitment to party unity by helping elect Democrats nationwide,” Sanders concluded his email. “Whatever you are able to give will help us all win in November.”