In Pancreatic Islets from Type 2 Diabetes Patients, the Dampened Circadian Oscillators Lead to Reduced Insulin and Glucagon Exocytosis

Brock Jones Background: Type 2 Diabetes Mellitus (T2D) is a disease resulting from decreased insulin sensitivity within the body mainly due to lifestyle choices related to diet and exercise.1 T2D seems to mainly stem from lifestyle, with a high caloric and high glycemic diet with insufficient exercise increasing the rate…
Circadian Rhythms Endocrinology Featured Abstracts

The Role of Endoplasmic Reticulum Stress and Circadian Clock Genes on Glucose Homeostasis of Shift Workers

Meghana Vankina Introduction. The circadian rhythm is an endogenous rhythmic pattern that is present in most organisms. In mammals, the central brain clock is within the suprachiasmatic nucleus and consists of a 24-hour autoregulatory feedback loop1. Disruption of circadian rhythms has been linked to various cardio-metabolic disorders such as diabetes1.…
Circadian Rhythms

Circadian Rhythm Impact on Entry, Progression, Secondary & Long-term Effects of SARS-CoV-2

Revanth Vadlamudi Introduction. This study investigates the potential influence of circadian rhythms and clock genes on the infection and pathogenesis of SARS-CoV-2 to preface future targets for prophylaxis, chronotherapeutics during infection, and long-term secondary illness. SARS-CoV-2 is a pneumotropic RNA beta-coronavirus of zoonotic origin; human transmission occurs primarily via respiratory…
Circadian Rhythms Microbiology

Circadian Rhythm Disruption Due to Degradation of Melanopsin Containing Intrinsically Photosensitive Retinal Ganglionic Cells (mRGCs) in Individuals with Parkinson Disease (PD)

Myla Sykes Introduction: PD is caused by alpha-synuclein aggregates in the sub-cortical basal ganglia. Cardinal symptoms of PD include a triad of pill-rolling/resting tremor, bradykinesia, and cogwheel rigidity1,2. In addition, sleep disorders often manifest early in the progression of the disease. mRGCs convey light signals from the retina to the…
Circadian Rhythms Neuroscience