The Alzheimer's disease β-amyloid peptide (Aβ) is produced by excision from the type 1
integral membrane glycoprotein amyloid precursor protein (APP) by the sequential actions of β- …

Tight junctions are the most apical components of endothelial and epithelial intercellular
cleft. In the endothelium these structures play an important role in the control of paracellular …

Tourism planners are being asked to use greater community participation in tourism planning.
There are two reasons for this. First, the impacts of tourism are felt most keenly at the local …

Autism spectrum disorders (ASDs) are developmental disorders which are thought primarily
to affect social functioning. However, there is now a growing body of evidence that unusual …

Axons are generally believed to be incapable of regeneration in the adult central nervous
system 1 , 2 . Inhibition results from physical barriers imposed by glial scars, a lack of …

CD68 is a 110-Kd transmembrane glycoprotein of unknown function highly expressed by
human monocytes and tissue macrophages. We have isolated cDNA clones encoding CD68 …

Cells undergoing programmed cell death (apoptosis) are cleared rapidly in vivo by phagocytes
without inducing inflammation 1 . Here we show that the glycosylphosphatidylinositol-…

Aims The approaches used to screen and diagnose gestational diabetes mellitus (GDM)
vary widely. We generated a comparable estimate of the global and regional prevalence of …

Introduction An understanding of ctenophore biology is critical for reconstructing events that
occurred early in animal evolution. The phylogenetic relationship of ctenophores (comb …

A novel cell surface antigen has been identified on a wide range of lymphoid cells and
erythrocytes. A mAb YTH 53.1 (CD59) against this antigen enhanced the lysis of human red cells …