Catalyst University
Muscle Physiology: Regulatory Proteins; Tropnin and Tropomyosin
Muscle Physiology: Regulatory Proteins; Tropnin and Tropomyosin
Professor Dave Explains
The Inflammatory Response
We touched upon the inflammatory response in the Anatomy & Physiology series, but now it's time to go much deeper. What is inflammation on the cellular level? Which cell types are involved with the response, and what are the mechanisms...
Catalyst University
Digestive Enzyme Cascade in the Small Intestine
Digestive Enzyme Cascade in the Small Intestine
JJ Medicine
Remdesivir & SARS-CoV-2 (COVID-19) | Mechanism of Action, Adverse Effects, Anti-Viral Properties
Remdesivir & SARS-CoV-2 (COVID-19) | Mechanism of Action, Adverse Effects and Overview of Anti-Viral Properties In this lesson, I discuss the antiviral known as remdesivir, including how it is administered, adverse effects of its use,...
JJ Medicine
Macroautophagy | Transcriptional Regulation: Lesson 1
Introductory lesson on the transcriptional regulation of macroautophagy with emphasis on transcriptional activators. Macroautophagy is regulated transcriptionally during feeding, fasting, starvation, hypoxia and DNA damage. In this...
Catalyst University
Graphical Estimation of Kd from P:L Binding Plot
Graphical Estimation of Kd from P:L Binding Plot
JJ Medicine
Wnt/β-Catenin Signaling Pathway | Overview, Purpose and APC Mutations
Lesson on the Wnt/β-Catenin signaling pathway (also known as simply the Wnt signaling pathway), including an introduction to the pathway, Wnt growth stimulatory factors, β-Catenin regulation and role of the pathway in growth,...
Next Animation Studio
New research details what cells are more susceptible to the coronavirus
Specialists from around the world have identified cells in the lungs, nasal passages and intestine that are most susceptible to SARs-CoV-2.
Catalyst University
Types I and II Self-Splicing (Autocatalytic) Introns in mRNA
In this video, we explore how pulmonary surfactant (made by type II alveolar cells) prevents alveolar collapse.
Catalyst University
Huntington's Disease (RE-UPLOAD) | Pathogenesis, Signs/Symptoms, and Detailed Mechanism
In this video, we explore Huntington’s disease: the pathogenesis, the signs and symptoms, and the mechanism as it relates to the basal nuclei in great detail.
Catalyst University
How to Interpret Ramachandran Plots
In this video, I explain the purpose of Ramachandran Plots and how to interpret them.
Catalyst University
Prions | The General Mechanism of Prion Formation and Disease
Prions | The General Mechanism of Prion Formation and Disease
JJ Medicine
Ras Raf MAPK Pathway and Cancer | Mutations, Cancer Pathogenesis, and Chemotherapy
Lesson on Ras Raf MEK ERK (MAPK) pathway and its involvement in cancer pathogenesis. Various mutations in EGFR, Ras and Raf proteins can lead to particular types of cancer, which can be treated with chemotherapeutic treatments that...
Brave Wilderness
How to Cure a Lionfish Sting!
In this segment of On Location, witness the painful conclusion to Coyote’s experience with the Lionfish sting! In addition to witnessing the effects of the sting itself Coyote will also show you the cure…at least he hopes… The Lionfish...
Food Farmer Earth
Crafting Chèvre at Home: A Step-by-Step Guide to Soft Goat's Milk Cheese
Two Sentence Summary: This tutorial provides a comprehensive guide to making Chèvre, a soft goat's milk cheese, starting with fresh, raw goat milk warmed to a specific temperature to cultivate the right microbial environment. The process...
Professor Dave Explains
Herpes Simplex Virus (HSV-1 and HSV-2)
We are probably familiar with herpes as a sexually transmitted disease, but we want to know as much as we can about this virus and the things it can do. What is the difference between HSV-1 and HSV-2? How does viral transmission work?...
Catalyst University
Biotechniques | Principles of SDS-PAGE (Protein Separation)
As always, the steps of an SDS-PAGE will depend on your specific lab and protocol. In this video, we will explore the general theory of separating and visualizing protein by SDS-PAGE, a technique very similar to DNA agarose gel...