Le regard du mort

Helper T cell differentiation enters a new era: Le Roi est mort; vive le Roi!

In the dark ages of T cell biology, we considered two fates for differentiated CD4+ T cells: T helper (Th)1 and Th2 cells. Now we know that the reality is much more complex and interesting. The newest Th cell subset produces the cytokine IL-17. New evidence shows that the IL-17-related cytokine IL-25 is essential for Th2 responses in two infectious disease models.

Le Sacre du Big Red

Le syndrome du soleil levant

Morning glory syndrome or rising sun is rare congenital anomaly of the papilla by emergence of the optic nerve in the eye. It is sometimes associated with serious anomalies of the central nervous system. It reaches preferentially girls and most often unilateral. The circumstances of the discovery may be strabismus, amblyopia, nystagmus, leucocoria or refractive disorder. This syndrome may also ...

Le Probleme Biologique Du Cancer

This small book reviews briefly practically the whole field of cancer. The author starts with a discussion of the incidence of the disease in France and continues with a consideration of various predisposing factors which influence the frequency of tumors. The etiology of cancer is dealt with in two separate sections, the first in connection with a brief review of experimental growths, and the ...

Un Nouveau Regard Sur Le Monde Physique *

Dans ce colloque je discute la notion d'espace selon Descartes et Leibniz et j'y oppose le point de vue de Samuel Clarke et Isaac Newton comme solution pour comprendre la réalité du monde physique Au début de cesì ecle la philosophie des sciences a ´ eté secouée par deux révolutions, les quanta et la relativité. Je ne vais pas vous décrire ici ces révolutions, vous les connaissez 1. Mais parado...