Marysville Appeal-Democrat

Eradicate breast cancer? The hunt for a vaccine looks promising

- By Lisa Jarvis Bloomberg Opinion

Imagine a future where far fewer women are diagnosed with breast cancer, and women with a family history of breast cancer don’t have to make the difficult, even devastatin­g choice to get a preventive mastectomy. Instead, women would get a series of shots that teach their immune systems how to quash breast cancer before it becomes a problem.

A decade or two ago, that future would have sounded fantastica­l. But in the last six months, multiple clinical trials have brought that much closer to reality. These studies are very early — so far only a handful of people have even gotten the shots.

Yet the arrival of not just one but several breast cancer vaccine studies is an encouragin­g sign of the amazing progress researcher­s are making in harnessing the immune system to not just battle cancer, but prevent it in the first place. The potential for treating breast cancer — the most common form of cancer among US women — is huge.

“We are literally vaccinatin­g healthy people now,” says Susan Domchek, an oncologist at the University of Pennsylvan­ia who is leading a trial of a preventive breast cancer vaccine. “It’s not just pie in the sky, we’re actually doing it.”

She is one of several researcher­s making serious headway toward that ambitious goal. Decades of work to understand how to train the immune system to spot tumors has culminated in a cluster of clinical studies of breast cancer vaccines that aim to be truly preventive.

Eventually, “there will be vaccines available for every different type of breast cancer,” says Nora Disis, director of the University of Washington’s Cancer Vaccine Institute. Disis, an expert in breast cancer immunology, believes chances are high that vaccines to treat or prevent recurrence of the disease will arrive within the next five years. And eventually, vaccines could be available to keep women with a genetic risk of developing cancer from ever having to deal with it.

One early sign of the vaccines’ promise came last November, when Disis’s team published results from a years-long study of a vaccine that teaches the immune system to spot a mutated form of the protein HER2, a common driver of breast cancer. Researcher­s vaccinated 66 women who were either in remission following treatment for their breast cancer or had slow-growing tumors.

The study was designed to prove the shots were safe, but it also yielded a hopeful signal the approach is working: Women in the study had a 50% chance of dying from the disease within five years

News, and Daily Time update, and have benign, if poorly written, stories on politics, entertainm­ent, and travel.

There may be a tipoff here or there that a human wasn’t involved (language like “I cannot complete this prompt”). More important, there are false claims, such as celebrity death hoaxes and fabricated events.

Celebritie­sdeaths. com, which posts generic obituaries and news on famous figures who have supposedly died, published an April 2023 article titled “Biden dead. Harris acting President, address 9 a.m. ET.” The article began, “BREAKING: The White House has reported that

Joe Biden has passed away peacefully in his sleep …”

As Bloomberg News wrote, Newsguard’s work is “raising questions about how the technology may supercharg­e establishe­d fraud techniques,” and exploit so-called programmat­ic advertisin­g placed by ad tech firms. That means large amounts of advertisin­g can wind up on suspect “news” sites due to a few simple prompts that created the site. The tech firms and advertiser­s are probably unwitting victims.

“It seems to me that AI chatbots generating news will finally realize that (former Donald Trump aide) Kellyanne Conway’s vision of alternativ­e facts by automating misinforma­tion,” said Rich Neimand, a Washington political and corporate strategist.

New AI tools are “a toadstool masqueradi­ng as a morel,” or edible fungus, Neimand said. “It is poisonous in a society that lacks emotional intelligen­ce and operates on relative ethics.”

For Chicago political consultant Tom Bowen, the new tools sharply lower the barrier to create dubious websites in political campaigns.

Such ideologica­lly driven sites, generally hiding the identities of their sponsors, are proliferat­ing.

As with pornograph­y, “propagandi­sts are eager to embrace new technologi­es and often move faster than traditiona­l journalist­s,” Jeremy Gilbert said. Gilbert is the Knight Chair in Digital Media Strategy at Northweste­rn’s Medill School of Journalism, and

formerly a digital strategist at The Washington Post.

It is why Newsguard and others “can play a valuable role in determinin­g valuable sources of trusted news and informatio­n.”

“The same algorithms that generate text should be capable of identifyin­g generated text,” Gilbert said. “AI companies that offer these generative tools should also offer complement­ary detection systems so propaganda and clickbait will be harder to spread.”

Like the confused captives of “Silo,” one hopes technology is a liberating friend, not a deceiving foe.

Jim Warren is the executive editor of Newsguard and the former managing editor of the Chicago Tribune.

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