Cellular & Molecular Biology, Signal Transduction Processes, Specialized Topics
Last Updated: December 14, 2025 Introduction to Tissue Kines Numerous tissues produce and secrete substances that act locally or at a distance but that are not defined by the classic definition of a hormone. These substances include metabolites, lipids, and bioactive...
Cellular & Molecular Biology, Signal Transduction Processes
Last Updated: December 14, 2025 Introduction to Growth Factors The term growth factor is generally used to describe a protein or peptide whose function is predominantly, although not exclusively, related to the regulation of target tissue growth and potential...
Cellular & Molecular Biology, Insulin & Diabetes, Specialized Enzymes, Specialized Topics
Last Updated: September 11, 2025 Introduction to Dipeptidyl Peptidase Family Dipeptidyl peptidase 4 (DPP4; also DPP-4) is a member of the large family of proteases (peptidases). There are 10 protease families that are unique to higher organisms (16 protease families...
Adipose Tissue & Obesity, Specialized Topics
Last Updated: December 2, 2025 What is Obesity? Obesity is defined as a physical condition in which an individual has a body mass index (BMI) ≥30kg/m2. The BMI is a measure of the relationship between an individuals weight and height. The BMI is calculated by dividing...
