History Flashcards

1
Q

Natural products have been the most successful source of

A

Potential drug leads

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2
Q

What percentage of natural products have been evaluated for potential biological activity?

A

10%

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3
Q

What percentage of prescription drugs are natural products?

A

30%

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4
Q

What percentage of prescription drugs are anti-infective and anticancer drugs?

A

more than 60%

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5
Q

The world oldest known prescriptions, on

cuneiform tablets dating back to

A

2000 B.C.

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6
Q

The world oldest known prescriptions, on

cuneiform tablets dating back to 2000 B.C. from where

A

Nippur, Sumer

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7
Q

The world oldest known prescriptions, on
cuneiform tablets dating back to 2000 B.C. from
Nippur, Sumer, described (3)

A

how to make
poultices,
salves and
washes

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8
Q

The world oldest known prescriptions, on
cuneiform tablets dissolved into wine,
milk and beer contained what ingredients (9)

A
1 mustard, 
2 fig, 
3 myrrh,
4 bat dropping, 
5 turtle
6 shell powder, 
7 river silt, 
8 snakeskins 
9 "hair from the stomach of a cow,"
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9
Q

the tablets also

documented oils from Cupressus sempervirens were also used for (5)

A
1 astringent
2 anti-seborrheic
3 anti-dandruff
4 anti-aging
5 fragrances
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10
Q

The tablets also documented oils from

A

Cupressus sempervirens

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11
Q

Commiphora species is valued for

A

aromatic resins produced by several

members of the genus

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12
Q

“Myrrh“ is the common name for

A

dried resins

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13
Q

“Myrrh“ is
fragrant and has been used both as
fragrances and for medicinal purposes, for example

A

Balsam of Mecca

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14
Q

liquorice alternative name

A

Glycyrrhiza glabra

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15
Q
Glycyrrhiza glabra has been used for medicinal
purposes including (2)
A

1 indigestion

2 stomach inflammation.

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16
Q

Some other medicinal purposes of liquorice/glycyrrhiza glabra are (3)

A

cough suppression
ulcer treatment
laxative.

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17
Q

what is the Ebers Papyrus

A

a 110-page scroll, which is
about 20 meters long, and is among the oldest
preserved medical documents

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18
Q

The Ebers Papyrus includes formulas, such as

A
1 gargles
2 snuffs
3 poultices
4 infusions
5 pills
6 ointments
made with beer, milk, wine, and honey as vehicles.
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19
Q

Chinese Materia Medica first written record dating from

A

about
1100 BC (Wu Shi Er
Bing Fang, containing
52 prescriptions)

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20
Q

Wu Shi Er Bing Fang means

A

• ‘Recipes for Fifty-Two Ailments’

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21
Q

when was the Wu Shi Er Bing Fang discovered and where

A

Discovered in 1973 during the excavation of the

Ma Wang Dui tomb at Changsha, Hunan.

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22
Q

what were the sachets of drugs found in the hands of

A

During the excavation of the tomb numerous drugs were
found in sachets, two of which were clutched in
the hand of a skeleton

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23
Q

Wu Shi Er Bing Fang formulary presents more than

A

250 exorcistic and drug-based cures for ailments
such as warts, hemorrhoids, inguinal swellings,
and snake bites.

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24
Q

Indian Ayurvedic system motto

A

‘Science of life’

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25
Q

The Ayurvedic concept appeared and developed

between

A

2500 and 500 BC in India

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26
Q

what remains one of the country’s traditional health

care systems

A

Indian
Ayurvedic
system

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27
Q

Indian Ayurvedic system concepts about health and disease promote the use of

A

herbal compounds, special diets, and

other unique health practices

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28
Q

Historia Plantarum written some time between by

A

c. 350 BC and c. 287 BC by a Greek, Theophrastus

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29
Q

Historia Plantarum describes

A

plants by their uses, and
attempted a biological classification
based on how plants reproduced, a first
in the history of botany.

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30
Q

Monasteries where preserved the

western Knowledge?

A

in France, Germany, Ireland and UK

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31
Q

Arabs preserved _____ and expanded it with the

___, ______ and their own resources.

A

Greco-Roman expertise

- expanded ith with the Chinese, Indian

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32
Q

Arabs first to own privately run pharmacies in the

A

8th century

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33
Q

Avicenna was a (3)

A

Persian Pharmacist, Physician philosopher and

poet.

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34
Q

Avicenna authored a five-volume medical

encyclopedia:

A

The Canon of Medicine (Al-Qanun

fi’t-Tibb).

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35
Q

Avicenna was used as the

A

standard medical
textbook in the Islamic world and Europe up to
the 18th century

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36
Q

The main
sources of
drugs (3)

A

natural
semisynthethic
synthetic

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37
Q

• Natural sources of drugs (4)

A

plants, microorganisms, marine plants and

animals.

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38
Q

Semisynthetic substances (2):

A

Such as steroidal hormones and corticosteroids.

39
Q

Synthetic substances

A

These are drugs which are manufactured totally

by synthesis

40
Q

Torreyanic acid isolated from an

A

endophyte
from the endangered tree,
Torreya taxifolia

41
Q

Torreyanic acid was found to be

5-10 times more potent in

A

cancer cell lines sensitive to
protein kinase C (PKC) agonists,
causing cell death by apoptosis

42
Q

Torreyanic acid structure

A

see slide

43
Q

Doxorubicin structure

A

see slide

44
Q

Doxorubicin made from bacteria of

A

Streptomyces peucetius.

45
Q

Doxorubicin treats (5)

A

Treats acute leukaemia,

soft tissue and bone sarcomas,

lung cancer,

thyroid cancer

and both Hodgkins and non-Hodgkins lymphomas

46
Q

Betulinic acid structure

A

see slide

47
Q

Betulinic acid found in

A

bark of several
species of plants, principally the
white birch

48
Q

Betulinic acid is a naturally occuring

A

pentacyclic triterpenoid

49
Q

Betulinic acid is a weak inhibitor of

A

HIV replication

50
Q

Betulinic acid recently

discovered potential as an

A

anticancer agent, by inhibition

of topoisomerase 1

51
Q

there are a limited number of antiviral
natural products or
synthetically derived analogues
from

A

fungi

52
Q

Eryhtromycin structure

A

see slide

53
Q

Eryhtromycin has broad spectrum activities against

A

grampositive cocci and bacilli

54
Q

Eryhtromycin used for

A

mild to moderate, upper and lower respiratory

tract infections

55
Q

Wood rotting fungi name

A

Phylum Basidiomycota

55
Q

Wood rotting fungi name

A

Phylum Basidiomycota

56
Q

Phylum Basidiomycota/ macro fungi number of species

A

2500

57
Q

____ of tested polyspores show strong antimicrobial activity

A

75%

58
Q

Wood rotting fungi –’Phylum Basidiomycota’ shows what activities (5)

A
Antiviral, 
Cytotoxic, 
Cardiovascular, 
anti inflammatory and 
immunestimulating
59
Q

Natural Products from Fungi (5)

A
  • Macro and Micro fungi
  • Food (mushrooms)
  • Drink (Yeast)
  • Medication
  • Cultural
60
Q

Penicillium notatum structure

A

see slide

61
Q

Penicillium notatum discovered when and by who

A

In 1928 Scottish bacteriologist Alexander
Fleming first observed that colonies of the
bacterium Staphylococcus aureus failed to
grow in those areas of a culture that had
been accidentally contaminated by PN

62
Q

Penicillium notatum inhibits growth of what bacteria

A

Staphylococcus aureus

63
Q

Nobel Prize in 1945 led to

A

commercialisation of synthetic penicillins

64
Q

Pilocarpine structure

A

see slide

65
Q

Pilocarpine from what plant

A

Pilocarpus jaborandi

66
Q

Pilocarpine treats

A

Chronic open angle Glaucoma

67
Q

Pilocarpine used since

A

1870s

68
Q

Pilocarpine used to treat

A

dry mouth, a side effect of

radiotherapy

69
Q

Quinine structure

A

see slide

70
Q

Quinine derived from

A

Cinchona pubescens

71
Q

Cinchona pubescens bark used by

A

indigenous
groups in the Amazon region for the
treatment of fevers

72
Q

Quinine was first introduced into Europe in the early _____ or treatment of _____

A

1600s

Malaria

73
Q

Quinine formal use established in the mid

A

1800s

74
Q

Quinine used in ___ ____ for bitter taste

A

tonic water

75
Q

Digoxin structure

A

see slide

76
Q

Digoxin derived from

A

Digitalis purpurea (foxglove)

77
Q

Digoxin known in europe in

A

10th century

78
Q

Digoxin used to treat various

A

heart conditions

79
Q

Digoxin has a narrow

A

therapeutic index

80
Q

American Serial killer ______, is thought to have killed patients with overdoses digoxin at hospitals in New Jersey and
Pennsylvania.

A

Charles Cullen

81
Q

Cullen is serving multiple life sentences at
Trenton State Prison, New Jersey, for the
murders and attempted murders of ____
patients — he also pleaded guilty to ____
murders and ____ attempted murders while
he was working in Pennsylvania

A

29
7
3

82
Q

Historically important discoveries

Early Medicines looked at (4)

A
  • Traditional Medicinal practices
  • Clinical Studies
  • Pharmacological studies
  • Chemical Studies
83
Q

Factors influencing the production of plant secondary metabolites (3)

A
  • Heredity or genetic composition that induces
    both qualitative and quantitative changes.
    • Stage of development
    • Environmental changes that result mainly in
    quantitative variations.
84
Q

Secondary metabolites major classes (3)

A
  • Alkaloids
  • phenolics
  • Terpenoids
85
Q

Secondary compounds often occur in

combination with one or more

A

sugars

86
Q

Secondary compounds often occur in
combination with one or more sugars. These
combination molecules are known as _____

A

glycosides

87
Q
Secondary compounds are grouped into classes
based on (3)
A

similar structures

biosynthetic pathways

kinds of plants that make
them

88
Q

Most alkaloids come from

A

amino acids

89
Q

alkaloid precursors tend to be (7)

A
1 phenylalanine
2 tyrosine
3 tryptophan
4 histidine
5 anthranilic acid
6 lysine
7 ornithine
90
Q

alkaloid ompounds have a (2)

A

ring structure and a

nitrogen residue.

91
Q

alkaloids taste

A

bitter

92
Q

alkaloids are insoluble or slightly soluble, except in polar

solvents like

A

Chloroform, however their salts are

soluble.

93
Q

alkaloids uses in plants

A

1 Poisonous agents
which protect the
plants

2 Produced by
detoxification
reactions which
‘lock up’ compounds
otherwise harmful
to the plants

3
For regulatory
growth factors

4
Reserve substance
capable of supplying
nitrogen or other
elements necessary
to the plant’s
economy