Cellular Senescence: Age and Cancer

By: Una Choi With age comes a bevy of age-related diseases and tissue deterioration. Cellular senescence heavily impacts this process and describes the final, irreversible period during which cells — most often fibroblasts or connective tissue cells — flatten and cease to undergo mitosis after around fifty rounds of replication (1).┬áSenescent cells are at theContinue reading “Cellular Senescence: Age and Cancer”

Microchimerism – The More, The Merrier

by Una Choi Microchimerism, or the presence of genetically distinct populations within a single organism, throws a wrench in the biological concept of sex. Although we traditionally learn that biological females possess two X sex chromosomes and males possess X and Y sex chromosomes, microchimerism is responsible for the presence of cells with Y chromosomesContinue reading “Microchimerism – The More, The Merrier”

Microchimerism – The More, The Merrier

by Una Choi Microchimerism, or the presence of genetically distinct populations within a single organism, throws a wrench in the biological concept of sex. Although we traditionally learn that biological females possess two X sex chromosomes and males possess X and Y sex chromosomes, microchimerism is responsible for the presence of cells with Y chromosomesContinue reading “Microchimerism – The More, The Merrier”