Medical Knowledge

CLAPO Syndrome

A 1-day-old, healthy, full-term boy born by cesarean delivery for placental abruption to a 31-year-old primigravid mother was noted at birth to have an erythematous patch on his lower lip.

Renal Cell Carcinoma – A Review

Importance  Renal cell carcinoma (RCC) is a common malignancy, with an estimated 434 840 incident cases worldwide in 2022. In the US, it is the sixth most common cancer among males and ninth among females. Observations  Clear cell RCC is the most common…

With What Should We Replace Nonhuman Animals in Biomedical Research Protocols?

Historically, most discussions about nonhuman animal experimentation consider what has become known as the 3 R’s: refinement, reduction, and replacement. Refinement and reduction receive the most attention, but recent modeling advances suggest that suitable replacement of nonhuman animal testing would…

How Should Treatment of Animals Beyond the Lab Factor Into Institutional Review?

Discussions of nonhuman research ethics tend to focus on what we owe nonhuman research subjects in laboratory settings only. But humans make critical decisions about these animals outside the lab, too, during breeding, transportation, and end-of-study protocols. This article reviews…

How Should the Three R’s Be Revised and Why?

The Principles of Humane Experimental Technique established what many know today as the “3 R’s –  refinement, reduction, and replacement” when it was published in 1959. Since their formulation, these principles have guided decision-making for many about nonhuman animal subjects’…