salmonella bacteria 3d illustration
Salmonella Injection Helps the Mouse Immune System Kill Tumors
Nanoparticle-coated bacteria can capture tumor antigens and deliver them to immune cells, triggering a response that improved survival rates in mice.
Salmonella Injection Helps the Mouse Immune System Kill Tumors
Salmonella Injection Helps the Mouse Immune System Kill Tumors

Nanoparticle-coated bacteria can capture tumor antigens and deliver them to immune cells, triggering a response that improved survival rates in mice.

Nanoparticle-coated bacteria can capture tumor antigens and deliver them to immune cells, triggering a response that improved survival rates in mice.

cancer immunology
Illustration showing how following radiation therapy, which triggers the release of cancer-specific antigens, researchers injected Salmonella typhimurium bacteria covered in positively charged nano- particles near tumors in mice.
Infographic: Salmonella Shuttle Tumor Antigens to Immune Cells
Dan Robitzski | May 16, 2022
Nanoparticle-coated bacteria carry cancer-derived proteins to dendritic cells, enabling the immune system to launch a response in a mouse model.
Dark red cancer cells travel through the circulatory system alongside small, brighter-colored red blood cells
Traversing Narrow Channels Helps Metastatic Cancer Cells Survive
Dan Robitzski | Apr 14, 2022
In vitro and mouse experiments show how cancer cells forced through tiny pores—mimicking the physical experience of metastasis—resisted programmed cell death and avoided detection by the immune cells that would normally kill them.
Shifting Space and Time: How Harnessing Our Most Powerful Cells is Changing Immune Medicine
The Scientist Creative Services Team
Industry and academic leaders will describe how small immune cell subsets shape the human immune response.
Artist’s rendering of multiple natural killer cells, colored light pink, attacking a purple tumor cell.
Protein Pilfered from Cancer Cells Thwarts Immune Attack
Dan Robitzski | Apr 13, 2022
New research in mice reveals why natural killer cells, normally effective at hunting cancer, are sometimes stopped in their tracks.  
Illustration of a jackalope
Book Excerpt from On the Trail of the Jackalope
Michael P. Branch | Feb 14, 2022
In chapter 8, “Dr. Shope’s Warty Rabbits,” author Michael P. Branch describes the scientist who unearthed the viral cause of strange growths on wild rabbits.
Artist's rendition of a yellow CAR T cell near a red cancer cell surrounded by red blood cells.
Ten Years On, CAR T Cell Recipient Is Still Cancer-Free
Jef Akst | Feb 3, 2022
First, the genetically engineered cells became CD8+ killer T cells that wiped out his leukemia. Then they transformed into a stable population of CD4+ helper T cells that continue to circulate in his body.
Salmonella (pink) invading a human epithelial cell (yellow)
Modified Salmonella Revs Immune Response, Combats Tumors in Mice
Natalia Mesa | Feb 3, 2022
When coated with positively charged particles, the bacteria shuttled antigens out of tumors and activated the immune system, a study finds.
A compilation of several images, including a dog, a blind mole rat, and cell micrographs
Our Favorite Cancer Stories of 2021
Amanda Heidt | Dec 9, 2021
This year revealed just how much scientists have learned about the disease, from how animals become naturally cancer-resistant to how tumor cells harness extracellular DNA to develop rapid drug resistance.
fingertips with pills on them
Over-the-Counter Antihistamines Could Help Against Cancer
Alejandra Manjarrez | Nov 24, 2021
The binding of histamine with one of its receptors within the tumor environment makes cancer cells more resistant to immunotherapy, according to a new study. Blocking that binding could improve responses to treatment.
A false-colored micrograph showing swirls of yellow, red, and magenta cells
Cross-Resistance: One Cancer Therapy Can Undermine the Next
Sophie Fessl | Jul 16, 2021
Targeted cancer therapy may jeopardize the effectiveness of subsequent immunotherapy by reducing dendritic cell numbers and activation, according to study of mice and patient samples.
Harnessing Stem Cell–Like T Cells to Better Fight Cancer
Daniel E. Speiser and Werner Held | Jul 13, 2020
Better understanding the CD8+ T cells already present in tumors could be key to making immunotherapies work for more patients.
april 2019 editorial the scientist
Miracle Elixirs
Bob Grant | Apr 1, 2019
A long way into the quest to vanquish cancer, our ears strain to hear the words, “Cancer is cured”—a yearning that can cloud our judgment.
CAR Ts solid tumor
The Next Frontier of CAR T-Cell Therapy: Solid Tumors
Kerry Grens | Apr 1, 2019
The technology has wowed the field by all but obliterating some patients’ blood cancers, but solid malignancies present new challenges.
Making CAR T-Cell Therapy Safer
Catherine Offord | Apr 1, 2017
Following a spate of patient deaths in clinical trials testing modified T cells for the treatment of cancer, researchers work to reduce the treatment’s toxicity without sacrificing efficacy.
Neoantigens Enable Personalized Cancer Immunotherapy
Stephen P. Schoenberger and Ezra Cohen | Apr 1, 2017
Tumors’ mutations can encode the seeds of their own destruction, in the form of immunogenic peptides recognized by T cells.
Infographic: Targeting Cancer Antigens
Stephen P. Schoenberger and Ezra Cohen | Mar 31, 2017
Neoantigens may serve as valuable targets for new immunotherapies.
AACR Q&A: Elaine Mardis
The Scientist Staff | Apr 18, 2016
The genomics pioneer shares the sessions she most looks forward to at this year’s American Association for Cancer Research annual meeting.
Napster Cofounder Launches Cancer Initiative
Bob Grant | Apr 13, 2016
Billionaire Silicon Valley entrepreneur Sean Parker donates $250 million to unite the cancer research community around the common goal of developing new immunotherapies.
Microbes Meet Cancer
Kate Yandell | Apr 1, 2016
Understanding cancer’s relationship with the human microbiome could transform immune-modulating therapies.