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BREAKING
Information Minister in Pakistani-administered Kashmir: Five civilians killed and at least 29 others injured in shelling across the border with India
Israeli Army Radio's diplomatic correspondent quoted a senior Israeli official as saying: So he [Trump] decided to cut off contact. That might still change, but that’s the situation right now
Israeli Army Radio's diplomatic correspondent quoted a senior Israeli official as saying: Trump’s circle told him [Dermer] that Netanyahu was manipulating him, and there’s nothing Trump hates more than being portrayed as someone being played
Senior Palestinian official to Al Mayadeen: Meetings between the Israelis, Egyptians, and Qataris are all centered around the Israeli proposal, which does not guarantee an end to the war [on Gaza]
Senior Palestinian official to Al Mayadeen: “Israel” is threatening to expand the ground offensive if Hamas rejects the proposal
Senior Palestinian official to Al Mayadeen: Hamas rejects the Israeli proposal, viewing it as failing to guarantee an end to the war
Senior Palestinian official to Al Mayadeen: “Israel” is sticking to its proposal, and insists there is no alternative offer on the table for negotiation
Senior Palestinian official to Al Mayadeen: The meetings between the Israelis and the Egyptians and Qataris all revolve around the Israeli proposal
The administration was clearly looking for an off-ramp for this campaign against Ansar Allah, NBC News reports, citing US official
Trump's operation against Ansar Allah cost more than $1 billion, NBC News reports, citing US official

Immunotherapy treatment "cures" 2 cancer patients

  • By Al Mayadeen net
  • Source: Agencies
  • 3 Feb 2022 15:53
3 Min Read

Ten years after receiving the treatment, two patients who suffered from a type of blood cancer showed no signs of the disease.

  • x
  • Immunotherapy treatment
    The therapy changes a patient's own immune cells to combat cancer (cancercenter.com)

Researchers reported Wednesday that after ten years of getting a therapy that changes a patient's own immune cells to combat cancer, two patients with a kind of blood cancer exhibit no indications of the disease.

The treatment, CAR-T therapy, is a highly expensive form of treatment, but promising, according to researchers. The remissions can be indicative of how long its effects may last in certain patients.

Of the three patients who underwent the therapy at the University of Pennsylvania in 2010 as part of a clinical trial evaluating the treatment's safety and efficacy, two went into complete remission that year.

CAR-T treatment entails extracting T cells — a kind of immune cell — from a patient's blood, altering the cells so they contain a receptor that identifies and subsequently destroys cancer cells, growing the T cells and reinfusing them into the patient's blood.

The therapy has been approved by the FDA to treat leukemia, lymphoma, and multiple myeloma. The therapy is not without risks and can cause the development of cytokine release syndrome and neurological downsides.

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In a press briefing this week, Carl June, an immunologist and oncologist at the University of Pennsylvania and an author of the paper published Wednesday in Nature, said, "We can now conclude CAR-T cells can cure patients with leukemia based on these results," adding that there needs to be more follow-up with other patients.

As a result of the therapy, the cells also developed in the patients in the same way that regular T cells do: they transitioned from active killer T cells to another sort of immune cell called helper T cells, which are bystanders but may still destroy cancer cells.

According to the researchers, remission may be difficult to study. It is unknown to them whether the cancer cell has been completely eradicated or if they come back and keep getting defeated by the cells from therapy.

June emphasized that "clinically he is cured because 10 years down the line there is no leukemia."

Although promising, the downside is that the therapy does not work for all types of cancers as the majority cause solid tumors that are surrounded by proteins and cells that CAR-T cells find difficult to penetrate. It does, however, provide insight into how CAR-T cells can be more effective. 

J. Joseph Melenhorst, an immunologist at the University of Pennsylvania and another author of the study, noted that "the deep learning into these trials is key."

  • immune system
  • Cancer
  • cancer treatment

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