SINCE the introduction of nitrogen mustard, methyl-bis-β-(chloroethyl)-amine, or HN 2 (Fig. 1), as a therapeutic agent in human cancer a number of analogues and related alkylating agents have been ...
Results from Ryugu suggest the the Solar System produced the building blocks of life Scientists have found that all five of ...
DNA from a distance ...
How did life come about? The answer to this question goes to the very heart of our existence on planet Earth. Did life simply arise from chemical reactions among organic compounds in a primordial soup ...
Researchers have analyzed samples of the asteroid Ryugu collected by the Japanese Space Agency's Hayabusa2 spacecraft and found uracil, one of the informational units that make up RNA, the molecules ...
A sample collected by the Hayabusa 2 spacecraft from the spinning top-like asteroid contained the nucleobases adenine, ...
Samples from the asteroid Ryugu collected by the Hayabusa2 mission contain nitrogenous organic compounds, including the nucleobase uracil, which is a part of RNA. Samples from the asteroid Ryugu ...
After encountering foreign antigen, B cells diversify their immunoglobulin genes by somatic hypermutation (SHM), gene conversion (GC) and class-switch recombination (CSR). SHM introduces mutations ...
Between October 1996 and April 2001, a total of 733 patients were randomly assigned to receive either treatment. The median follow-up time was 6.2 years. The RFS rates at 5 years were 88.0% in the CMF ...
In a previous phase 3 trial of adjuvant chemotherapy after resection of non–small-cell lung cancer, a combination of uracil and tegafur (often referred to as UFT) taken orally was shown to prolong ...
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