Diabetes - Scott Flashcards
What is the leading cause of end-stage renal disease?
Diabetes
What is the leading cause of adult-onset blindness?
Diabetes
How much of total diabetes diagnoses is Type 1 D? Type 2 D?
T1D: 5%
T2D: 90%
What are the most frequent mutations in MODY?
HNF 4a Glucokinase HNF-1a IPF-1 HNF-1b NeuroD1
What receptors are increased in response to insulin?
Glut4
How much of the beta cells need to be destroyed before symptoms start?
80%
What MHCII alleles are most frequently associated with T1D?
HLA-DR3
HLA-DR4
What do these MHC variants have altered?
Altered amino acids in binding site, resulting in less effective in binding proteins
What is the drug given for prevention of at-risk individuals for T1D?
Teplizumab
Where are the primary sites of insulin resistance in T2D?
Adipose
Skeletal muscle
Liver
What is an important cytokine to inflammation in T2D?
TNFa
What is the TNFa receptor?
Threonine kinase JNK
What does JNK do to insulin receptors?
Renders them inactive
With increased TNFa, what do adipose cells do with free fatty acids?
Increase release of FFA’s, not formation
Which TLR is important for skeletal muscle and liver cell insulin resistance?
TLR4