autoimmunity Flashcards

(47 cards)

1
Q

how many americans suffer from autoimmune disorders?

A

1 in 12

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2
Q

Environmental triggers have helped to ______ disease rates

A

triple

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3
Q

how many autoimmune diseases are there?

A

100

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4
Q

why is there an increase in autoimmune diseases?

A
  • environmental factors
  • diet
  • stress
  • hormones
  • aging
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5
Q

do autoimmune diseases affect men or women more?

A

women

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6
Q

autoimmune disease where antibodies or t cells to a single organ

A

organ specific

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7
Q

graves disease organ specific or systemic?

A

organ specific

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8
Q

T1D organ specific or systemic?

A

organ specific

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9
Q

Goodpastures syndrome organ specific of systemic?

A

organ specific

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10
Q

Addison disease organ specific or systemic?

A

organ specific

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11
Q

thyroid stimulating Igs

A

Graves disease

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12
Q

insulin receptor and other islet Ags

A

T1D

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13
Q

basement membrane collagen in lungs and kidneys

A

goodpastures syndrome

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14
Q

proteins in adrenal cortex

A

addison disease

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15
Q

autoimmune disease where target antigens are among many tissues

A

systemic

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16
Q

SLE organ specific or systemic?

A

systemic

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17
Q

RA organ specific or systemic?

A

systemic

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18
Q

Sjogren syndrome (SS) organ specific or systemic?

A

systemic

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19
Q

Vasculitis organ specific or systemic?

20
Q

dsDNA and intracellular nucleoproteins; form large amounts of immune complexes

21
Q

antibodies to IgG fc and CCP, auto reactive T cells in joints

22
Q

antibodies to ribonucleoproteins SSA and SSB

23
Q

antibodies to neutrophil cellular ags

24
Q

Three interacting influences on development of autoimmune diseases

A
  • genes
  • immune regulation
  • environment
25
t/f MHC alleles strongly contribute to genetic susceptibility to autoimmune diseases
true
26
failure to negatively select auto reactive clones or preferentially present autoantigens
differential selection
27
How do infections facilitate autoimmunity?
activation of auto reactive b and t lymphocytes
28
mechanisms of tissue damage and autoimmune diseases
- autoantibodies - auto reactive t cells - immune complex tissue deposition
29
autoantibodies
- activate complement | - activate immune effector cells
30
auto reactive t cells
- cytotoxic t cell destruction of tissue | - release inflammatory cytokines
31
immune complex tissue deposition
activate complement and immune effector cells type ii autoimmunity
32
type II autoimmunity
IgG mediated cytotoxic hypersensitivity
33
type II autoimmunity example
hemolytic anemia
34
type III autoimmunity
immune complex mediated hypersensitivity
35
type III autoimmunity example
glomerulonephritis RA SLE
36
type IV autoimmunity
cell mediated hypersensitivity
37
type IV autoimmunity example
T1D MS RA
38
Red wolf disease
SLE
39
Chronic auto reactive IgG production
SLE
40
Activation of auto reactive T cells and autoantibodies to CCP
RA
41
Activation of auto reactive T cells and autoantibodies to myelin
MS
42
Treatments for autoimmune diseases
- metabolic control - conventional immunosuppresants - biologicals
43
what do biologicals target?
TNF-a
44
types of autoimmune diseases
organ specific | systemic
45
Metabolic control examples
- thyroxin - insulin - B12
46
Immunosuppressant examples
- steroids | - nsaids
47
biologicals examples
- Remade - Humira - Enbrel