Cholesterol is a 26-Carbon sterol lipid that’s synthesised through a complex 37-step process.
It composes [blank_start]__________[blank_end] of cell membranes.
Circulating cholesterol arises from the diet as well as from [blank_start]__________[blank_end] synthesis.
It circulates mostly as Cholesterol Ester (cholesterol + FA).
Responda
10%
30%
50%
70%
90%
Intracellular
Extracellular
Intercellular
Questão 2
Questão
Familial Hypercholesterolaemia is a family of pathologies that range from heterozygous to homozygous. It’s characterised by [blank_start]__________[blank_end] [blank_start]__________[blank_end] levels. Caused by a loss of LDL-R.
Responda
Increased
Decreased
LDL-Chol
HDL-Chol
Questão 3
Questão
Lysosomal Storage Disease (aka Niemann-Pick disease type C) is a collection of ~50 rare inherited metabolic pathologies. Its hallmark is defective lysosomal function. It’s characterised by [blank_start]__________[blank_end] [blank_start]__________[blank_end] in the lysosome due to the loss of function of NPC1 and/or NPC2.
Responda
Free cholesterol
FFA
TAG
Accumulation
Dissipation
Questão 4
Questão
The highly proliferative nature of cancer cells means they have increased metabolic requirements, especially of which two things?
Responda
Energy
Phospholipids
Questão 5
Questão
In cancer, metabolism changes.
De Novo Cholesterol [blank_start]__________[blank_end] [blank_start]__________[blank_end];
De Novo Lipid [blank_start]__________[blank_end] [blank_start]__________[blank_end].
Responda
Synthesis AND uptake
Synthesis
Uptake
Increases
Decreases
Increases
Decreases
Synthesis AND uptake
Synthesis
Uptake
Questão 6
Questão
Prostate cancer growth is [primarily?] driven by [blank_start]__________[blank_end].
It’s a [blank_start]__________[blank_end] metabolism cancer and is greatly dependent on [blank_start]__________[blank_end].
Responda
Androgens
Non-Warburg
Warburg
Fatty Acid oxidation
Reactive Oxygen Species
Cholesterol oxidation
Questão 7
Questão
CRPC = ??
Responda
Castration-Resistant Prostate Cancer
Castratian-Resistant Prostate Cancer
Questão 8
Questão
Gene Expression of Steroidogenic Enzymes is [blank_start]__________[blank_end] in CRPC.
Responda
Increased
Decreased
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