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Posts Tagged "immunology"

Food Matters

The Genetics of the Immune System

a-new-vision-for-teaching-science_1

Last week, I had the opportunity to talk with a group of students from Grandview Heights School in Edmonton, Canada. The students are learning about genetics, and the instructor, John Chase asked me to talk about how genetics impacts my field, and to give them a perspective on how this stuff translates to the real world. [...]

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Food Matters

What’s eating us?

From wikipedia (click for source)

As #SciAmFood week draws to a close, we’ve heard a lot about the food we consume, from not getting enough to astronaut nutrition (and getting too much) to tricking your brain about what it’s getting. But what about the things in our food that consume us? We humans do not live a sterile life, no [...]

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Guest Blog

Hallmarks of Cancer 8: Tumor-Promoting Inflammation

Tumors and their TAMs. Tumors secrete signalling molecules known as chemokines to attract circulating monocytes, a type of white blood cell. Once in the tumor, the monocytes differentiate into Tumor Associated Macrophages (TAMs). Oxygen-starved (hypoxic) areas of the tumor secrete VEGF, which attracts these TAMs. TAMs can also secrete VEGF, which in turn attract more TAMs to the tumor. / Image by Buddhini Samarasinghe.

The Hallmarks of Cancer are ten underlying principles shared by all cancers. You can read the first seven Hallmarks of Cancer articles here. The eighth Hallmark of Cancer is defined as “tumor-promoting inflammation.” We consider the immune system as our friend; it protects us by fighting infections while keeping us healthy. But there is a [...]

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Talking back

Can Acupuncture Reverse Killer Inflammation?

The ST36 Zusanli (足三里) acupuncture point is located just below the knee joint. This spot in mice—and it is hoped perhaps in humans—may be a critical entryway to gaining control over the often fatal inflammatory reactions that accompany systemic infections. Sepsis kills over 250,000 patients in the U.S. each year, more than 9 percent of [...]

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