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    United

    S t a t e s

    Patent

    [ 1 9 ]

    Per0

    US006039949A

    6 , 0 3 9 , 9 4 9

    Mar. 2 1 , 2 0 0 0

    [ 1 1 ] P a t e n t

    Number:

    [ 4 5 ] Date o f

    P a t e n t :

    [ 5 4 ]

    METHOD

    OF PREPARATION

    AND

    COMPOSITION OF

    A WATER

    SOLUBLE

    EXTRACT OF THE PLANT SPECIES

    UNCARIA

    [ 7 5 ] I n v e n t o r : Ronald W. P e r o , L u n d , Sweden

    [ 7 3 ] A s s i g n e e :

    CampaMed,

    n c . , New

    o r k ,

    NY.

    [ 2 1 ]

    A p p l .

    N o . : 0 8 / 8 0 7 , 3 7 3

    [ 2 2 ]

    F i l e d : F e b .

    2 7 ,

    1 9 9 7

    [ 5 1 ] I n t . Cl.7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

    A61K

    5/78

    [ 5 2 ]

    US. l . . . . . . . . . . . . . . . . . . . . . .

    . . 4 2 4 / 1 9 5 . 1 ; 514/885; 514/886;

    5 1 4 / 9 0 8

    [ 5 8 ] Field

    Of

    Search

    . . . . . . . . . . . . . . . . . . . . . . . . . . . .

    . . 424/1951; 435/4,

    4 3 5 / 7 2 1 ,

    7 . 2 3 , 7 . 2 4 ,

    3 9 0 ;

    5 1 4 / 8 8 5 ,

    8 8 6 ,

    908

    [ 5 6 ] R e f e r e n c e s

    C i t e d

    U . S .

    PATENT DOCUMENTS

    4,844,901 7/1989 Keplinger e t

    a l .

    . . . . . . . . . . . . . . . . .

    . 424/1951

    4 , 9 4 0 , 7 2 5 7 / 1 9 9 0

    K e p l i n g e r e t

    a l . 5 1 4 / 4 1 1

    5 , 3 0 2 , 6 1 1 4 / 1 9 9 4

    K e p l i n g e r e t

    a l . 5 1 4 / 4 1 1

    5,411,733

    5/1995

    HoZumi

    t

    a l . . . . . . . . . . . . . . . . . . . . . . 424/ 195 1

    FOREIGN PATENT DOCUMENTS

    56032418 4/1981 Japan

    W0 2 / 0 1 1 3 0

    4 / 1 9 8 2

    WIPO.

    OTHER

    PUBLICATIONS

    K u r a m o c h i e t a l . , L i f e S c i e n c e s , 5 4 : 2 0 6 1 2 0 6 9 , 1 9 9 4 .

    R i Z Z i

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    P h a r m . B u l l . , 3 1 : 3 3 9 1 3 3 9 6 , 1 9 8 3 .

    NeW P o l y h y d r o x y l a t e d T r i t e r p e n e s From U n c a r i a

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    t o s a , R .

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    C .

    P i Z Z a ,

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    D o u g l a s K i n g h o r n

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    R .

    F a r n s W o r t h , 1 9 9 3 American Chemical S o c i

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    1 ) .

    P h y t o m e d i c i n e s i n

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    B o y d e , J o h n H .

    C a r d e l l i n a I I ,

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    S u f f n m e s s , P u b l i s h e d 1 9 9 3 A m e r i c a n C h e m i c a l

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    1 9 9 5 ,

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    6 2 , 6 4 , 6 6 , 6 8 &

    8 .

    A p o p t o s i s a n d a

    r e i n v e s t i g a t i o n o f t h e b i o l o g i c

    b a s i s f o r

    c a n c e r

    t h e r a p y ,

    Anthony V .

    DAmico,

    W. G i l l i e s McKenna

    R a d i o t h e r a p y

    a n d O n c o l o g y 3 3 ( 1 9 9 4 )

    3 1 0 .

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    v o l .

    2 6 7 ,

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    1 0 , 1 9 9 5 .

    P r i m a r y ExaminerJon P .

    Weber

    A s s i s t a n t ExaminerJanet M .

    Kerr

    A t t o r n e y , A g e n t , o r FirmCobrin

    & i t t e s

    [ 5 7 ]

    ABSTRACT

    The p r e s e n t

    i n v e n t i o n

    i s d i r e c t e d t o a method

    o f

    p r e p a r a t i o n

    a n d t h e c o m p o s i t i o n

    o f

    a W a t e r s o l u b l e e x t r a c t

    o f

    t h e p l a n t

    s p e c i e s

    U n c a r i a . The p r e s e n t i n v e n t i o n i s a l s o

    d i r e c t e d

    t o t h e

    p h a r m a c e u t i c a l u s e o f t h e

    c o m p o s i t i o n

    f o r t h e e n h a n c e m e n t

    o f

    t h e

    immune, a n t i - i n ? a m m a t o r y , a n t i - t u m o r a n d DNA

    r e p a i r p r o c e s s e s o f W a r m b l o o d e d a n i m a l s . The p r e s e n t

    p r e p a r a t i o n

    o f t h e

    W a t e r

    s o l u b l e e x t r a c t

    o f

    the p l a n t s p e c i e s

    U n c a r i a r e s u l t s i n

    t h e d e p l e t i o n

    o f many o f

    t h e

    i n g r e d i e n t s

    Which

    l e a d

    t o v a r i o u s t o x i c

    s i d e

    e f f e c t s

    a s s o c i a t e d

    W i t h

    o t h e r

    e x t r a c t s

    o r

    c o m p o s i t i o n s d e r i v e d

    from

    U n c ar i a . A l s o ,

    t h e

    p r e s e n t p r e p a r a t i o n l e a d s

    t o

    t h e d e p l e t i o n o f

    many

    o f t h e

    a c t i v e

    i n g r e d i e n t s commonly

    a s s o c i a t e d

    W i t h

    o t h e r e x t r a c t s

    a n d c o m p o s i t i o n s o f t h e p l a n t

    s p e c i e s

    U n c ar i a . T h e r e f o r e ,

    t h e p r e s e n t i n v e n t i o n t e a c h e s t ha t

    t h e

    h o t W a t e r

    e x t r a c t i o n

    o f

    t h e

    c r u d e

    p l a n t p a r t s

    o f

    U n c a r i a a n d

    t h e

    s u b s e q u e n t d i a l y s i s

    o f

    t h e s o l u b i l i Z e d

    p r o d u c t s

    y i e l d s a l o W m o l e c u l a r W e i g h t

    c o m p o s i t i o n W h i c h m a i n t a i n s

    a h i g h d e g r e e o f

    t h e a n t i

    t u m o r ,

    i n ? a m m a t o r y a n d immune

    s t i m u l a t o r y a c t i v i t i e s

    a s s o c i a t e d W i t h

    t h e

    c r u d e

    p l a n t

    p a r t s .

    1 8 C l a i m s ,

    9

    Drawing S h e e t s

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    ONTROL

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    793310.249 m i l l i g r a m s p e r m i l l i l i t e r

    o f

    the

    h o t

    W a te r , d i a l y Z e d

    e x t r a c t .

    H e n c e , t h e y i e l d

    f r o m

    c r u d e

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    W a s

    7 . 9 3 3

    mg

    e r

    m i l l i l i t e r d i v i d e d by 150 mg e r m i l l i l i t e r

    or 5.3 .

  • 8/9/2019 Que es el AC-11

    13/15

    6 , 0 3 9 , 9 4 9

    5

    EXAMPLE

    A n t i - t u m o r

    a c t i v i t y o f

    U n c a r i a

    e x t r a c t ( C - M e d - 1 0 0 ) . The

    a n t i - t u m o r

    a c t i v i t y

    o f C-Med-100

    e x t r a c t

    p r e p a r e d a s i n

    Example

    1

    Was e v a l u a t e d i n v i t r o u s i n g 2 human l e u k e m i c

    c e l l

    l i n e s (HL-60 a n d K-5

    2 )

    a n d a

    mouse

    l e u k e m i c

    c e l l l i n e

    ( R a j i ) .

    The

    a n t i - p r o l i f e r a t i v e p o t e n c y o f

    C-Med-100 Was

    a s s e s s e d

    b y

    c o u n t i n g

    t h e

    t o t a l n u m b e r o f

    c e l l s

    b y m i c r o

    s c o p i c

    a n a l y s i s a t 4 0 0 > < m a g n i ? c a t i o n . The c a n c e r

    c e l l l i n e s

    Were s e e d e d i n d u p l i c a t e 2

    i l l i l i t e r c u l t u r e s

    a t a

    c e l l d e n s i t y

    o f 0 . 5 > < 1 0 5

    c e l l s

    p e r c u l t u r e i n 1 5 m i l l i l i t e r

    F a l c o n

    t e s t t u b e s .

    The c u l t u r e

    medium W a s

    RPMI

    ith

    10 e t a l c a l f serum

    and t h e

    t e s t t u b e s

    Were

    i n c u b a t e d

    under

    s t a n d a r d c o n d i t i o n s

    i . e .

    3 7 C . , 5

    CO2

    a n d 80 h u m i d i t y ) . C - M e d - 1 0 0 e x t r a c t

    W a s added

    a t

    198 and 397 p g p e r m i l l i l i t e r t o g e t h e r

    W i t h

    t h e

    c e l l s e e d i n g ,

    a n d t h e

    i n c u b a t i o n Was c o n t i n u e d f o r 8 d a y s .

    The t o t a l

    number

    o f

    c e l l s i n e a c h c u l t u r e

    W a s

    d e t e r m i n e d

    e v e r y d a y b y h e m o c y t o m e t e r c o u n t i n g i n t h e p r e s e n c e o f

    t r y p a n b l u e . A f t e r 8

    d a y s

    o f g r o W t h a s s e s s m e n t , t h e c u l t u r e s

    r e c e i v i n g 397

    p g p e r m i l l i l i t e r

    o f

    C-Med-100

    e x t r a c t

    Were

    spun

    doWn, t h e

    o l d c u l t u r e

    medium

    d i s c a r d e d a n d neW

    c u l t u r e medium a d d e d

    back

    c o n t a i n i n g 1397 pg e r

    m i l l i l i t e r

    C-Med- 10 0 e x t r a c t . This Was done t o

    a s c e r t a i n

    i f

    t h e

    c e l l s

    s u r v i v i n g

    397

    pg

    p e r

    m i l l i l i t e r C-Med-100 Were

    a c t u a l l y

    k i l l e d ( c y t o t o x i c ) o r

    o n l y

    g r o W t h i n h i b i t e d ( c y t o s t a t i c ) .

    The d a t a

    p r e s e n t e d i n F I G . 1

    c l e a r l y

    shoWs t h a t C-Med

    100 e x t r a c t

    h a s

    a

    profound

    a n t i - p r o l i f e r a t i v e

    e f f e c t o n a l l

    t h r e e c a n c e r c e l l l i n e s . I n t e r e s t i n g l y , K-562 c e l l s , W e l l

    knoWn

    t o b e

    r e s i s t a n t t o

    i n d u c t i o n

    o f a p o p t o s i s (DAmico

    a n d

    McKenna, R a d i o t h e r . O n o c o l .

    3 3 : 3 1 0 ,

    1 9 9 4 ) , W e r e

    a l s o t h e m o s t r e s i s t a n t t o

    g r o W t h

    i n h i b i t i o n u s i n g C-Med

    100

    e x t r a c t . T h i s d a t a s u p p o r t s t h e e f f e c t s on a p o p t o s i s

    p r e s e n t e d i n E x a m p l e 3 . F u r t h e r m o r e ,

    t h e

    r e g r o W t h e x p e r i

    m e n t s

    i n

    F I G .

    1 i n d i c a t e

    t h a t

    n o t

    a l l

    p h a s e s

    o f

    t h e

    c e l l

    c y c l e

    o f c a n c e r c e l l s

    a r e

    e q u a l l y s u s c e p t i b l e t o C-Med- 10 0 e x t r a c t .

    I t W a s

    shoWn t h a t

    even

    Wh en

    groWth

    W a s

    i n h i b i t e d

    >95

    over

    a n 8 day

    p e r i o d i n c u l t u r e , a s

    W a s t h e c a s e

    With H L - 6 0

    a n d R a j i

    c e l l s ,

    When C-Med-100 e x t r a c t Was

    removed from

    t h e

    medium a t l e a s t some c e l l s

    began

    t o g r o W a f t e r

    a

    feW

    more d a y s

    i n

    c u l t u r e . T h i s

    d a t a

    i s c o n s i s t e n t W i t h

    Example

    3 and a l s o t e a c h e s t h a t s o m e tumor c e l l s

    must

    be i n

    a s t a t e

    o f

    groWth s u c h t h a t t h e y

    a r e

    r e s i s t a n t t o C-Med-100 e x t r a c t

    a n d n o t c a p a b l e o f u n d e r g o i n g d e a t h b y

    a p o p t o s i s .

    EXAMPLE

    I n d u c t i o n

    o f

    a p o p t o s i s b y

    U n c a r i a

    e x t r a c t s ( C - M e d - 1 0 0 ) .

    A p o p t o s i s i s a n a t u r a l o c c u r r i n g

    form

    o f c e l l d e a t h

    o r s u i c i d e

    o f

    p a r t i c u l a r

    s i g n i ? c a n c e

    t o

    m a i n t a i n i n g

    c o m p e t e n t

    homeo

    s t a t i c in?ammatory

    and

    immune r e s p o n s e s n e c e s s a r y a s

    a

    p r i m a r y

    d e f e n s e

    a g a i n s t many

    d i s e a s e s i n c l u d i n g c a n c e r ,

    v i r a l i n f e c t i o n s , A I D S , a u t o i m m u n e a n d n e u r o d e g e n e r a t i v e

    d i s o r d e r s . A g e n t s th at c a n

    i n d u c e a p o p t o s i s

    a r e p o t e n t i a l

    a n t i - i n ? a m m a t o r y

    a n d

    a n t i - t u m o r

    d r u g s

    b e c a u s e

    t h e y may

    h a v e t h e a b i l i t y t o i n d u c e a p o p t o t i c d e a t h i n

    m a l i g n a n t

    o r

    in?ammatory

    macrophages

    o r monocytes Which a r e kn o W n

    t o

    b e

    p a r t i c u l a r l y s e n s i t i v e t o i n d u c t i o n

    o f

    a p o p t o s i s .

    L i k e W i s e ,

    s u c h

    a g e n t s s i m u l t a n e o u s l y

    s t i m u l a t e immune

    e l l

    f u n c t i o n b y l i m i t i n g o r r e d u c i n g t h e p r o d u c t i o n o f TNF-A b y

    t h e in?ammatory c e l l s Which

    a r e a

    W e l l k n o W n n a t u r a l

    o c c u r r i n g a g e n t t h a t i s c y t o t o x i c t o

    l y m p h o c y t e s a n d

    t h u s

    i m m u n o s u p p r e s s i v e

    ( A p o p t o s i s

    r e v i e W e d b y C . B .

    T h o m p s o n ,

    S c i e n c e

    2 6 7 : 1 4 5 6 6 2 ,

    1 9 9 5 ) .

    T h e

    d a t a

    i n t h i s

    E x a m p l e ( F I G . 2 ) d e m o n s t r a t e s a n d d i s c l o s e s t h a t C-Med

    100 e x t r a c t

    o f

    U n c a r i a d e s c r i b e d i n Example

    1

    i s a n e f f e c t i v e

    i n d u c e r o f a p o p t o s i s i n HL-60 l e u k e m i c c e l l s , a n d t h u s t h i s

    p r e p a r a t i o n

    p o s s e s s e s i m p o r t a n t

    a n t i - t u m o r ,

    a n t i

    i n ? a m m a t o r y

    a n d i m m u n e

    s t i m u l a t i n g p r o p e r t i e s .

    10

    1 5

    20

    25

    30

    35

    40

    45

    50

    55

    60

    6 5

    6

    F o r

    t h e

    p u r p o s e o f

    e v a l u a t i n g a p o p t o s i s

    i n v i t r o ,

    human

    leukemic H L - 6 0 c e l l s Were c u l t u r e d

    a t a

    d e n s i t y o f

    0 . 5 > < 1 0 6

    c e l l s p e r m i l l i l i t e r i n 1 0 c a l f

    serum

    s u p p l e m e n t e d

    RPMI

    medium i n

    a 5 CO2 a t m o s p h e r e a t 3 7 C . f o r 4 8 h o u r s . The

    c e l l s

    W e r e

    h a r v e s t e d by c e n t r i f u g a t i o n

    a n d

    r e s u s p e n d e d i n a

    f r e s h

    medium a t

    a

    c o n c e n tr a t i o n o f 1 2 > < 1 0 6

    c e l l s

    p e r

    m i l l i l i t e r i n 1 5

    m i l l i l i t e r

    F a l c o n t e s t t u b e s f o r b i o a s s a y

    p u r p o s e s . Next t h e c e l l s Were exposed t o e i t h e r 100 pM

    hydrogen

    p e r o x i d e

    a s a p o s i t i v e c o n tr o l o r 397 pg p e r

    m i l l i l i t e r

    C-Med-100 x t r a c t

    p r e p a r e d a c c o r d i n g t o E x a m p l e

    1 o r no exposure

    f o r

    072 h o u r s a t

    37

    C .

    Samples

    o f c e l l s

    Were t a k e n from

    t h e

    c u l t u r e s a t

    t h e

    t i m e p e r i o d s

    i n d i c a t e d

    i n

    F I G . 2 a n d t h e p o p t o s i s i n

    t h e

    t o t a l c e l l s c o u n t e d

    Were

    a n a l y Z e d a n d

    s c o r e d b y p h a s e c o n t r a s t m o r p h o l o g i c a l c r i t e

    r i a .

    EXAMPLE

    R e l a t i v e c y t o t o x i c

    d o s e

    p o t e n c y o f c r u d e b a r k v e r s u s

    U n c a r i a h o t

    W a t e r e x t r a c t i o n

    (C-MED100).

    Commercial

    p r e p a r a t i o n s o f Uncaria a r e f o r m u l a t e d and s o l d a s c r u d e

    b a r k

    p h y t o m e d i c i n e s

    g i v e n o r a l l y

    u s u a l l y i n

    c a p s u l e s a t t h e

    d o s e

    o f 1 3 g r a m s p e r d a y . T h e b i o a v a i l a b i l i t y o f i n g e s t e d

    c r u d e

    b a r k

    h a s

    n e v e r been d e t e r m i n e d

    b u t

    n e c e s s a r i l y Would

    r e l y

    on a n e f f i c i e n t

    e x t r a c t i o n

    a n d a b s o r p t i o n

    o f

    t h e a c t i v e

    components u n d e r

    t h e

    a c i d i c

    c o n d i t i o n s o f

    t h e

    s t o m a c h .

    O n

    t h e

    o t h e r h a n d , C-Med-100

    W a t e r

    e x t r a c t Would n o t

    have

    i t s

    b i o a v a i l a b i l i t y i n ? u e n c e d

    b y t h e p a r t i c u l a t e

    f r a c t i o n o f

    U n c a r i a . To e s t i m a t e t h e r e l a t i v e b i o a v a i l a b i l i t i e s o f t h e s e

    t W o p r e p a r a t i o n s o f

    U n c a r i a , d o s e

    r e s p o n s e a n t i p r o l i f e r a t i v e

    a c t i v i t i e s

    Were

    e v a l u a t e d

    a g a i n s t l e u k e m i c

    H L- 60

    c e l l s .

    Crude b a r k

    m a t e r i a l W a s ? r s t e x t r a c t e d

    W i t h

    1

    N Cl

    f o r

    3 h o u r s

    a t a c o n c e n t r a t i o n

    o f

    0 . 1 5

    grams

    p e r m i l l i l i t e r

    Which

    W a s

    i d e n t i c a l t o

    t h e

    c o n c e n t r a t i o n o f crude bark

    used

    t o

    produce C-Med-100

    e x t r a c t .

    N e x t ,

    t h i s

    a c i d e x t r a c t W a s

    n e u t r a l i Z e d

    W i t h

    5

    N

    N a O H ,

    c e n t r i f u g e d

    a t 3000 > < g

    t o

    r e m o v e p a r t i c u l a t e m a t e r i a l ,

    a n d

    t h e s u p e r n a t a n t ( s o l u b l e

    f r a c t i o n ) u s e d f o r c o m p a r i s o n

    W i t h

    C-Med-100 e x t r a c t .

    C-Med-100 e x t r a c t

    p r e p a r e d

    a s i n Example 1 W a s t r e a t e d

    i n

    t h e

    s ame

    e x a c t Way s

    t h e

    a c i d i c crude bark p r e p a r a t i o n

    s o

    t h a t

    t h e y c o u l d b e c o m p a r e d u n d e r

    c o n t r o l l e d

    e x t r a c t i o n

    p r o c e d u r e s

    f o r b i o l o g i c a l a c t i v i t y .

    The a b i l i t y o f t h e s e

    t W o U n c a r i a

    p r e p a r a t i o n s t o

    i n h i b i t

    t h e p r o l i f e r a t i o n

    o f HL-60 e l l s Was d e t e r m i n e d u s i n g e x p o

    n e n t i a l l y g r o W i n g

    HL-60 c e l l s c u l t u r e d

    a t t h e

    d e n s i t y o f

    5 0 , 0 0 0 / m i l l i l i t e r

    i n R P M I

    1640

    medium W i t h 1 0

    f e t a l

    c a l f

    s e r u m ,

    andimixed

    W i t h t h e tWo d i f f e r e n t Uncaria

    p r e p a r a

    t i o n s

    i n a

    volume

    o f

    50

    l

    p e r

    950

    l o f

    c u l t u r e

    t o

    e q u a l

    t h e

    ? n a l

    c o n c e n t r a t i o n s

    f o r t h e d a t a p o i n t s

    r e p o r t e d

    i n F I G .

    3

    i . e . 0 6 0 0 pg

    o f t h e d r y W e i g h t s o f

    t h e r e s p e c t i v e a c i d i c

    a q u e o u s e x t r a c t s p e r m i l l i l i t e r ) . 200

    p l

    o f t h e i t r e a t e d c e l l s

    s u s p e n s i o n s

    W e r e

    s e e d e d

    i n

    9 6 - w e l l m i c r o l i t e r p l a t e s a n d

    c u l t u r e d i n a n i n c u b a t o r a t 3 7 C . W i t h 6

    CO2

    a n d 8 0

    h u m i d i t y f o r 3

    d a y s .

    A l i q u o t s o f 2 5 p l [ 3 H ] t h y m i d i n e ( 9

    p C i / m i l l i l i t e r ) Were added f o r

    a n o t h e r

    6 0

    m i n u t e s

    b e f o r e

    t h e

    c e l l s Were

    h a r v e s t e d

    by vacuum a s p i r a t i o n o n t o g l a s s ? b e r

    ? l t e r s

    ( W h a t m a n G F / A ) .

    W h i l e f r e e [ 3 H ] t h y m i d i n e i s

    W a s h e d t h r o u g h

    t h e ? l t e r s , t h e

    [ 3 H ] t h y m i d i n e

    i n c o r p o r a t e d

    i n t o d e o x y r i b o n u c l e i c a c i d (DNA) s r e t a i n e d . T h e r a d i o a c

    t i v i t y

    r e t a i n e d

    o n t h e

    ? l t e r s Was q u a n t i ? e d by

    l i q u i d s c i n

    t i l l a t i o n c o u n t i n g .

    EXAMPLE

    I n v i v o e v a l u a t i o n o f t o x i c s i d e

    e f f e c t s a n d

    h e m a t o l o g i c

    p a r a m e t e r s o f U n c a r i a

    e x t r a c t

    ( C - M e d - 1 0 0 ) . T h i s

    i n v e n t i o n

    d i s c l o s e s n o t

    o n l y a

    u n i q u e c o m p o s i t i o n o f ,

    a n d a

    p r e p a r a

    t i o n

    f o r ,

    U n c a r i a

    b u t

    a l s o

    t h a t t h e

    c u r r e n t

    p h y t o m e d i c i n a l

  • 8/9/2019 Que es el AC-11

    14/15

    6 , 0 3 9 , 9 4 9

    7

    p r a c t i c e i s n o t c o n s i s t e n t W i t h a c h i e v i n g e f f i c a c i o u s t r e a t

    ments o f

    humans

    b a s e d

    on t h e d a i l y

    d o s e s

    o f

    c r u d e b a r k

    recommended

    f o r

    o r a l a d m i n i s t r a t i o n . As

    a l r e a d y p o i n t e d

    o u t i n t h i s i n v e n t i o n ,

    t o

    a c h i e v e s i n g l e e f ? c a c i o u s d o s e s o f

    U n c a r i a

    j u d g e d by i n d u c t i o n o f a p o p t o s i s o r i n h i b i t i o n o f 5

    c e l l

    p r o l i f e r a t i o n

    ( E x a m p l e s 2 a n d

    3 ) ,

    a t

    l e a s t

    2 6 2

    t o

    5 2 4

    g r a m s

    o f c r u d e b a r k

    ( c a l c u l a t i o n p r e s e n t e d

    i n summary o f

    t h e i n v e n t i o n s e c t i o n ) W o u l d n e e d t o b e i n g e s t e d e v e r y d a y .

    H o W e v e r , C-Med-100 e x t r a c t

    c o u l d

    e a s i l y

    b e

    a d m i n i s t e r e d

    o r a l l y a t

    t h e s e d o s e

    l e v e l s

    i n

    one

    c a p s u l e ,

    t a b l e t o r t h e

    e q u i v a l e n t . I n o r d e r t o e v a l u a t e the

    t o x i c o l o g i c a l

    a n d

    immu

    n o l o g i c a l

    c o n s e q u e n c e s

    o f

    d o s i n g

    C-Med-100 e x t r a c t p r e

    p a r e d

    a s i n Example

    1 i n t h i s c o n c e n t r a t i o n

    r a n g e , W/Fu

    a t s

    i n i t i a l l y W e i g h i n g 1 5 0 2 0 0 g r a m s

    W e r e

    a d m i n i s t e r e d d a i l y

    doses

    o f

    C-Med- 10 0 e x t r a c t by o r a l

    gavage

    o v e r

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    10

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  • 8/9/2019 Que es el AC-11

    15/15

    6 , 0 3 9 , 9 4 9

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