Scars are the body’s response to skin injury. Sometimes too much of the protein collagen is produced at the site of the injury, resulting in excessively large thick scars that can be disfiguring, uncomfortable, and compromise function by restricting mobility. These can either be hypertrophic scars, which are thickened but limited to the injured area, … Read more
Researchers find that a bacterial species present on healthy skin produce a chemical that prevents skin cancer. Humans can be considered metaorganisms. Our bodies includes billions of microorganisms. There are microbes in the gastrointestinal (GI) system (referred to as the gut microbiome), on the skin, in the nose and eyes, and in the parts of … Read more
Extracellular signaling molecules mediate the communication between cells or tissues. These can be small proteins (peptides), large proteins, lipids, protein and lipid complexes, carbohydrates, gases, amino acids, nucleic acids, amino acids, and various small organic molecules. These signals can function locally, affecting cells that are near the cells producing the signal, or can function systemically … Read more