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The human DNA mismatch repair gene homologue hMSH2, on chromosome 2p is involved in hereditary non-polyposis colon cancer (HNPCC). On the basis of linkage data, a second HNPCC locus was assigned to chromosome 3p21-23 (ref. 3). Here we report that a human gene encoding a protein, hMLH1 (human MutL homologue), homologous to the bacterial DNA mismatch repair(More)
Using gene targeting in embryonic stem cells, we have derived mice with a null mutation in a DNA mismatch repair gene homolog, PMS2. We observed microsatellite instability in the male germline, in tail, and in tumor DNA of PMS2-deficient animals. We therefore conclude that PMS2 is involved in DNA mismatch repair in a variety of tissues. PMS2-deficient(More)
  • G Warren
  • 1995
The membrane-bound organelles on the exocytic and endocytic pathways are linked by vesicles which bud from one membrane compartment, carrying selected cargo, and fuse with the next on the pathway. The principles underlying this vesicle-mediated traffic go a long way towards explaining the morphology of these intracellular organelles and their behaviour(More)
Messenger RNA from SL2 lymphoma cells was translated in a cell-free system in the presence of microsomal membranes. Mouse H-2Dd histocompatibility antigen was correctly assembled in the microsomal membranes, and transmembrane insertion of the nascent chain was accompanied by glycosylation and cleavage of the signal sequence H-2Kd antigens, synthesized in(More)
In the eukaryotic cell, both secreted and plasma membrane proteins are synthesized at the endoplasmic reticulum, then transported, via the Golgi complex, to the cell surface. Each of the compartments of this transport pathway carries out particular metabolic functions, and therefore presumably contains a distinct complement of membrane proteins. Thus,(More)