Artery or Vein: To Be or Not To Be?: Fig 1.

Artery or vein: to be or not to be?

to be or not to be that’s the question-3

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to be or not to be; that’s the question; part 1;

death is something real which is fully accepted by human being, the definition of death is different among public and scientists such as philosophy experts and biologists. here we leave the philosophy content to themselves and look at the death from the biological point of view which may be some kind of philosophy as well. in biological science the death is well defined so it is the end of life...

ASK "to be, or not to be?".

“To be, or not to be? That is the question.” William Shakespeare, The Tragedy of Hamlet, Prince of Denmark (1599-1602). Viral infection triggers host defense mechanisms that include the production of type I interferon (IFN) and the induction of apoptosis. Type I IFN, such as IFN-α and IFN-β, establishes the antiviral state to inhibits viral replication within infected cells, whereas apoptosis o...

To be or not to be B7.

The activation of lymphocytes and development of adaptive immune responses is initiated by the engagement of TCRs by antigenic peptide-MHC complexes and shaped at the clonal level by both positive and negative costimulatory signals. The B7 family members are involved at several stages in this process. In this issue of the JCI, Vogt et al. show that the B7 family-related protein V-set and Ig dom...