The immune system has an inherent contradiction in the way it functions – the major role of the immune system is to fight off the invasion of our bodies by bacteria, fungi, viruses and parasites; but in order to accomplish this, immune cells need to recognize our own tissues so that they can determine what is foreign when we have an infection.

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Jeffrey I. Greenstein, M.D.
President, MSRI

August 20, 2018

Dear Friend and Supporter

I am pleased to share with you some of the groundbreaking discoveries made at MSRI over the last few months due to your generous support.

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2018 May 30. doi: 10.1089/rej.2017.2049


Proteostasis, which includes the repair and disposal of misfolded proteins, depends, in part, on the activity of heat shock proteins (HSPs), a well-known class of chaperone molecules. When this process fails, abnormally folded proteins may accumulate in cells, tissues, and blood. These species are a hallmark of protein aggregation diseases, but also amass during aging, often in the absence of an identified clinical disorder.

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Featured Post

Since MSRI’s inception, Dr. Greenstein has completed the renovation of the MSRI laboratory and has made significant progress in identifying the cause of MS as well as developing a potential treatment. MSRI needs your help to take Dr. Greenstein’s research to the next level. Please consider purchasing an engraved tile to be placed in the MSRI Laboratory. The tile may honor a loved one, friend or the many lives affected by this disabling disease. Help MSRI FIND the cause, STOP the progression, and CURE MS.

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We have worked on the JC virus for many months to understand how this virus travels to the brain causing PML (Progressive Multifocal Leukoencephalopathy) a serious and potentially fatal infection which complicates a number of MS therapies including Tysabri, Tecfidera, Gilenya, Ocrevus and Lemtrada. This infection also complicates treatments for other autoimmune diseases, transplantation and chemotherapy; and is seen in different immune deficiencies and HIV-AIDS. There are at least 15 monoclonal antibody treatments for different conditions which are complicated by the JC virus.

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