Featured Research

from universities, journals, and other organizations

New cancer treatment? Universal donor immune cells

Date:
July 26, 2011
Source:
Weizmann Institute of Science
Summary:
A ready pool of donor immune cells fitted with cancer-seeking receptors could provide an alternative to costly personalized treatments.

One of the latest attempts to boost the body's defenses against cancer is called adoptive cell transfer, in which patients receive a therapeutic injection of their own immune cells. This therapy, currently tested in early clinical trials for melanoma and neuroblastoma, has its limitations: Removing immune cells from a patient and growing them outside the body for future re-injection is extremely expensive and not always technically feasible.

Related Articles


Weizmann Institute scientists have now tested in mice a new form of adoptive cell transfer, which overcomes these limitations while enhancing the tumor-fighting ability of the transferred cells. The research, reported recently in Blood, was performed in the lab of Prof. Zelig Eshhar of the Institute's Immunology Department, by graduate student Assaf Marcus and lab technician Tova Waks.

The new approach should be more readily applicable than existing adoptive cell transfer treatments because it relies on a donor pool of immune T cells that can be prepared in advance, rather than on the patient's own cells. Moreover, using a method pioneered by Prof. Eshhar more than two decades ago, these T cells are outfitted with receptors that specifically seek out and identify the tumor, thereby promoting its destruction.

In the study, the scientists first suppressed the immune system of mice with a relatively mild dose of radiation. They then administered a controlled dose of the modified donor T cells. The mild suppression temporarily prevented the donor T cells from being rejected by the recipient, but it didn't prevent the cells themselves from attacking the recipient's body, particularly the tumor. This approach was precisely what rendered the therapy so effective: The delay in the rejection of the donor T cells gave these cells sufficient opportunity to destroy the tumor.

If this method works in humans as well as it did in mice, it could lead to an affordable cell transfer therapy for a wide variety of cancers. Such therapy would rely on an off-the-shelf pool of donor T cells equipped with receptors for zeroing in on different types of cancerous cells.

Prof. Zelig Eshhar's research is supported by the M.D. Moross Institute for Cancer Research; the Kirk Center for Childhood Cancer and Immunological Disorders; the Leona M. and Harry B. Helmsley Charitable Trust 50; and the estate of Raymond Lapon.


Story Source:

The above story is based on materials provided by Weizmann Institute of Science. Note: Materials may be edited for content and length.


Journal Reference:

  1. A. Marcus, T. Waks, Z. Eshhar. Redirected tumor-specific allogeneic T cells for universal treatment of cancer. Blood, 2011; DOI: 10.1182/blood-2011-02-334284

Cite This Page:

Weizmann Institute of Science. "New cancer treatment? Universal donor immune cells." ScienceDaily. ScienceDaily, 26 July 2011. <www.sciencedaily.com/releases/2011/07/110725091728.htm>.
Weizmann Institute of Science. (2011, July 26). New cancer treatment? Universal donor immune cells. ScienceDaily. Retrieved October 24, 2014 from www.sciencedaily.com/releases/2011/07/110725091728.htm
Weizmann Institute of Science. "New cancer treatment? Universal donor immune cells." ScienceDaily. www.sciencedaily.com/releases/2011/07/110725091728.htm (accessed October 24, 2014).

Share This



More Health & Medicine News

Friday, October 24, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Breakfast Debate: To Eat Or Not To Eat?

Breakfast Debate: To Eat Or Not To Eat?

Newsy (Oct. 23, 2014) Conflicting studies published in the same week re-ignited the debate over whether we should be eating breakfast. Video provided by Newsy
Powered by NewsLook.com
Ebola Fears Keep Guinea Hospitals Empty

Ebola Fears Keep Guinea Hospitals Empty

AP (Oct. 23, 2014) Fears of Ebola are keeping doctors and patients alike away from hospitals in the West African nation of Guinea. (Oct. 23) Video provided by AP
Powered by NewsLook.com
Despite Rising Death Toll, Many Survive Ebola

Despite Rising Death Toll, Many Survive Ebola

AP (Oct. 23, 2014) The family of a Dallas nurse infected with Ebola in the US says doctors can no longer detect the virus in her. Despite the mounting death toll in West Africa, there are survivors there too. (Oct. 23) Video provided by AP
Powered by NewsLook.com
Orthodontist Mom Jennifer Salzer on the Best Time for Braces

Orthodontist Mom Jennifer Salzer on the Best Time for Braces

Working Mother (Oct. 22, 2014) Is your child ready? Video provided by Working Mother
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Health & Medicine

Mind & Brain

Living & Well

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins