C - Lipid Metabolism (E) Flashcards

1
Q

4 types of primary hypercholesterolaemia

A

Familial hypercholesteraemia (type II)
Polygenic hypercholesteraemia
Familial hyperαlipoproteinaemia
Phytosterolaemia

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2
Q

2 types of familial hypercholesterolaemia

A

AD: LDLR, apoB, PCSK9
AR: LDLRAP1

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3
Q

What is Familial hyperαlipoproteinaemia

A

CETP deficiency

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4
Q

What is Phytosterolaemia

A

ABC G5 & G8

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5
Q

3 types of Primary Hypertriglyceridaemia

A

Familial type 1, IV and V

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6
Q

What is familial primary hypertryglyceridaemia type 1

A

Lipoprotein lipase or apoC IIdef

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7
Q

What is familial primary hypertryglyceridaemia type IV

A

apoA V def (sometimes)

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8
Q

What is familial primary hypertryglyceridaemia type V

A

↑synthesis of TG

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9
Q

3 types of Primary Mixed Hyperlipidaemia

A

Familial Combined hyperlipidaemia
Familial dysβlipoproteinaemia
Familial hepatic lipase deficiency

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10
Q

4 types of Hypolipidaemia

A

Aβ-lipoproteinaemia
Hypoβ-lipoproteinaemia
Tangier Disease
Hypoα-lipoproteinaemia

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11
Q

what is Aβ-lipoproteinaemia

A

MTP def

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12
Q

What is Hypoβ-lipoproteinaemia

A

Truncated apoB protein

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13
Q

What is Tangier Disease

A

HDL def

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14
Q

What is Hypoα-lipoproteinaemia

A

apoA-I mutations (sometimes)

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15
Q

order of density of cholesterol proteins

A

Chylomicron < FFA < VLDL < IDL < LDL < HDL

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16
Q

What is PCSK9

A

binds LDLR and promotes its degradation

17
Q

how do statins work

A

HMG-CoA reductase inhibitor
Reduces intrinsic synthesis of cholesterol in the liver

18
Q

side effects of statins

A

myopathy/rhabdomyolysis, fatigue

19
Q

Mx of obesity

A

Reduced calories with exercise
No medication has been safely proven to provide sustained weight loss
Orlistat (A gut lipase inhibitor)
Bariatric surgery

20
Q

indications for bariatric surgery

A

BMI >40 or >35 with a
comorbidity associated with obesity

21
Q

side effects of orlistat

A

profound flatus and diarrhoea