Author Archives: Ricardo Lozoya

September 29

How model organisms are chosen

Intro Mice, fruit flies, worms, and monkeys. These are just some of the many animal species that are commonly used by scientists to learn about the nervous system, often with the goal of uncovering something about the human nervous system. If that’s the case, then the species being used is said to be a model […]

July 15

Brains love bone juice

Skeletons as a hormone-secreting organ In the early 2000s, researchers in Dr. Gerard Karsenty’s group were studying a protein secreted by bones named osteocalcin (OCN) to see  if it played a role in bone mineralization (i.e. how our skeleton attracts the minerals needed for its structure). Even though they found that OCN isn’t involved in […]

June 03

Axolotls: First Ones to the Fountain of Youth

Introduction If you look at today’s $50 Mexican peso (left), you won’t see the image of a past president or monument. Instead, you’ll see a lone salamander with outstretched arms and gills in the middle of a lake. For centuries, this small creature, known as the axolotl (ax-oh-lot-al), was well known to the people that […]

March 03

Why does diabetes make my foot go numb?

Context–what is diabetic neuropathy? Worldwide, about 1 in 10 adults have diabetes, with that number expected to rise in the coming decades [1]. In this disease, the body becomes unable to properly produce or respond to insulin, leading to high blood sugar levels and abnormal energy processing [2]. Thankfully, many medications, lifestyle interventions (e.g. exercise), […]