Immune Regulation News 1.01, October 16, 2009. Click here if you are unable to see images in this e-mail.

TOP STORIES

Immune Cell Entry Into Pancreatic Islets Key to Understanding Type 1 Diabetes Origins
St. Jude investigators have discovered how destructive immune cells gain access to insulin-producing cells and help cause diabetes. [St. Jude Children's Research Hospital, Memphis]

Negative Selection RosetteSep



SCIENCE NEWS

Prostate Tumors Can Change the Function of Immune Cells in Mice

Researchers have discovered that prostate tumors in mice can cause immune cells known as CD8+ T cells to change their function from cells that have antitumor activity to cells that suppress immune responses. [National Cancer Institute]

Novel Strategy for Mismatched Stem Cell Transplants Triggers Powerful Protection Against Graft-VS-Host Disease, Study Shows
A new technique being tested in stem cell transplants from imperfectly matched donors has revealed a striking, unforeseen response that can suppress graft-versus-host disease, report scientists from Dana-Farber Cancer Institute. [Dana-Farber Cancer Institute, Boston]

Prostate Cancer: From Inoperable to Cancer Free - Tricking the Immune System
Mayo investigators studying immunotherapy for aggressive prostate cancer have found a combination therapy that has dramatically reduced tumor size to make surgery possible. [The Mayo Clinic, Scottsdale]

RoboSep



CURRENT PUBLICATIONS

How Punctual Ablation of Regulatory T Cells Unleashes an Autoimmune Lesion within the Pancreatic Islets

Treg cells regulate pancreatic autoimmunity in situ through control of a central innate immune system player, NK cells. [Immunity]

Indispensable Role of the Runx1-CbfBeta Transcription Complex for In Vivo-Suppressive Function of FoxP3+ Regulatory T Cells
Results indicate that the Runx1-CbfBeta heterodimer is indispensable for in vivo Treg cell function, in particular, suppressive activity and optimal expression of FoxP3. [Immunity]

Thymic Self-Reactivity Selects Natural Interleukin 17-Producing T Cells that can Regulate Peripheral Inflammation
Interleukin 17 (IL-17)-producing CD4+ helper T cells (TH-17 cells) share a developmental relationship with Foxp3+ regulatory T cells (Treg cells). Here we show that a TH-17 population differentiates in the thymus in a manner influenced by recognition of self antigen and by the cytokines IL-6 and transforming growth factor-beta (TGF-beta). [Nat Immunol]

Effector T Cell Interactions with Meningeal Vascular Structures in Nascent Autoimmune CNS Lesions
Using intravital two-photon imaging in a Lewis rat model of experimental autoimmune encephalomyelitis, here we present in real-time the interactive processes between effector T cells and cerebral structures from their first arrival to manifest autoimmune disease. [Nature]

Tumor-Specific CD8+ T Cells Infiltrating Prostatic Tumors Are Induced to Become Suppressor Cells
Researchers report that tumor-specific CD8+ (TcR-I) T cells suppress the proliferation of naive T cells. This suppression is mediated at least in part by secreted factors, and the suppressive activity can be blocked by antibodies directed against TGF-Beta. [J Immunol]

Helminth Antigens Modulate Immune Responses in Cells from Multiple Sclerosis Patients through TLR2-Dependent Mechanisms
To better understand the link between parasite infections and the course of multiple sclerosis (MS), researchers studied the role of TLRs in helminth product recognition by dendritic cells (DCs) and B cells. [J Immunol]

Expansion of Allospecific Regulatory T Cells after Anergized, Mismatched Bone Marrow Transplantation
Inactivation of alloreactive T cells by inducing tolerance to patient cells (anergization) before transplantation preserves beneficial donor T cell effects while reducing graft-versus-host disease. [Sci Transl Med]

Loss of SOCS3 Expression in T Cells Reveals a Regulatory Role for Interleukin-17 in Atherosclerosis
Results identify novel SOCS3-controlled IL-17 regulatory pathways in atherosclerosis and may have important implications for the understanding of the increased susceptibility to vascular inflammation in patients with dominant-negative STAT3 mutations and defective Th17 cell differentiation. [J Exp Med]

EasySep


INDUSTRY NEWS

Cytheris Announces Initiation of NIAID/NIH-Sponsored Phase I/IIa Clinical Trial of Interleukin-7

Cytheris SA today announced the initiation of a Phase I/IIa dose escalation study of patients suffering from idiopathic CD4 lymphocytopenia (ICL).

Amplimmune Enters Into Broad Alliance with NCI
Amplimmune, Inc. has entered into a broad agreement with the National Cancer Institute (NCI) for further advancement of two Amplimmune product candidates into therapies for cancer and autoimmune disease.



POLICY NEWS

PIKAMAB Secures Critical Patent Rights to Develop Theragnostic Product, Lupus Therasight

PIKAMAB announced today that it has secured exclusive rights to two issued U.S. patents from Hospital for Special Surgery, New York. PIKAMAB is developing Lupus TherasightTM, a novel theragnostic product that will eventually help guide the drug development process and patient treatment protocols in the areas of lupus and lupus nephritis.




EVENTS

Autumn Immunology Conference 2009
November 20-23, 2009
Chicago, IL, USA

2009 Australasian Society for Immunology Meeting
December 6-10, 2009
Gold Coast, Australia

9th International Conference on New Trends in Immunosuppression and Immunotherapy
February 4-7, 2010
Prague, Czech Republic

13th International Conference on Lymphocyte Activation and Immune Regulation: Inflammasome and Inflammation
February 5-7, 2010
Newport Beach, California, USA

Keystone Symposium: Tolerance and Autoimmunity
February 16-21, 2010
Taos, New Mexico, USA

World Immune Regulation Meeting-IV
March 29-April 01, 2010
Davos, Switzerland

IMMUNOLOGY 2010
May 7-11, 2010
Baltimore, Maryland, USA

14th International Congress of Immunology
August 22-27, 2010
Kobe, Japan


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