How do cancer cells invade different tissues?

How do cancer cells invade different tissues? Cancer, a serious health issue, is a major cause of morbidity and mortality worldwide. Although the cancer cells originate at one particular point, they may invade surrounding tissues. Invasion is a process characterized by the extension and penetration of the malignant cells to neighboring tissues. When the cancer […]

Carbon dioxide – a pollutant or a resource?

Carbon dioxide – a pollutant or a resource? Carbon dioxide is a widely found gas around us that comes from several sources. The burning stack of dried leaves, agricultural lands, forest fires, burning of fossil fuels to generate electricity, and more than anything else, the emissions that come out of vehicles, aircraft are all adding […]

Communication in Bactria: Quorum Sensing

Communication in Bactria: Quorum Sensing   Single-celled organisms, once thought capable of only performing simple tasks, are now appreciated for their ability to behave in a quorum (1, 2). Social interactions enable a group of bacteria to communicate and synchronize their collective behaviour, thereby acting like multicellular organisms. Bacteria use various means of communication among […]

The Mutation that Causes Sickle Cell Anemia

The Mutation that Causes Sickle Cell Anemia More specifically, beta-globin, one of the two polypeptides that is coded by the HBB gene, becomes defective as a consequence of a single DNA base, point mutation in the sixth codon of the HBB gene: adenine is changed into thymine. This, in turn, leads to a mutation in […]