Older population is primarily affected by Alzheimer s disease, but a study discovered indications of the disease in cell culture models simulating its early onset.
Many birth defects and spontaneous abortions occur during the embryonic development stage known as neurulation, yet we have very little insight into how this critical developmental process unfolds in humans.
Researchers have spotted how specific proteins within the chromosomes of roundworms enable their offspring to produce specialized cells generations later, a startling finding that upends classical thinking that hereditary information for cell differentiation is mostly ingrained within DNA and other genetic factors.
Human embryo development and early organ formation remain largely unexplored due to ethical issues surrounding the use of embryos for research as well as limited availability of materials to study.