Human MN glycoproteins: Dependence of blood-group and anti-influenza virus activities on their molecular size

Human MN glycoproteins: Dependence of blood-group and anti-influenza virus activities on their molecular size

Vol. 28, No. 4, 1967 BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS DEPENDENCE OF BLOOD-GROUP AND ANTI-INFLUENZA HUMAN M N GLYCOPROTEINS: VIR...

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Vol. 28, No. 4, 1967

BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS

DEPENDENCE OF BLOOD-GROUP AND ANTI-INFLUENZA

HUMAN M N GLYCOPROTEINS:

VIRUS ACTIVITIES

ON THEIR

Georg

F.

MOLECULAR SIZE*

Springer

Immunochemistry Department**, Department of Microbiology, Illinois 60201 Evanston,

Received

addition

they

are

potent

possessing

human

red

were

molecules

treatment of

pH 5.5-7.2

of

smaller

weights

very

that

large

molecules

the

have

receptor

M N activity

gentlest of

blood-group been

system;

characterized

preparation has

varying

size

by a series

as

raising any

step

also

of

been

of 30,000

multiples

demonstrable

as the

result

do occur

at

that

manipulation

(7-12). of

slightly

elevated

M N substances.

of

in chemi

related

isolated

above and the and

45°C

frorr

Department

Major more

temperatures,

is

supported

510

or

the

rigorous however

a range

a predominance

molecules differences

molecular tend

to

were

not

minor

chemical

(7,8).

~1-05681 of the American

by the

Harsher

possess

conditions;

a population

outside

gave

large

chemical

from

working

in

blood-group

(7-11).

purification

-k This investigation has been supported by grant Institutes of Health and grant No. 63 G 119 of Immunochemistry

form

M N glycoproteins that

resulted

These

fractionations

isolation

appears

procedures

homogeneous

temperature

during

It

molecules. are

the

isolation

the

physicochemicaily

upon

J;* The

human

and

virus

blood-group

found

disaggregate

alterations

influenza

in

at

which

of

second

receptors

obtained

of such

virus

An

traces

the

(6).

of

substances

(l-5).

recently

preponderance

constitute

influenza

only

ccl Is

We have

of

antigens

as glycoproteins

nature

Hospital and University,

July 5, 1967

The M N erythrocyte

tally

Evanston Northwestern

Susan

the National Heart Association.

Rebecca

Stone

Fund.

a

Vol. 28, No. 4, 1967

BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS

TABLE 1 --IN VITRO ACTIVITY

OF HUMAN M M AND NN BLOOD-GROUP ANTIGENS:

DEPENDENCE ON MOLECULAR SIZE.*

Antigen

Molecular weight

Smallest amount (pg/ml) agglutination of human cytes by 4 agglutinating

-Human Anti-M

MM Ca 979

12 x

Ca 980

SeraAnti-N

0.05

6 x lo6

3

0.2

5

0.8

NN Ca 825

5.9

x 105

10

Ca 745

1.5

x

50

3.1

x 10 4

lo5

5oo

:k For procedures see (8). ** Homologous, homozygous erythrocytes A*:: Highest blood-group activity out Dr. R.H. Rathan.

We have

now found

and

capacity

the

dependence size

on the

appears

as well

depicted

that to

be one

isolated in

the

Table

--in

inhibit

molecular

as antiviral

on substances are

to

Influenza PR8

1

x lo6

sera

inhibiting 0 erythro-

106

1.8

Ca 1014

completely blood-group doses*;?

of

of

1.

this It

the

important

activities in

vitro

were

can

blood-group

activity

glycoprotein, which

for under

that

511

as measured

by some myxoviruses

isolated

highest

be seen

10

used for blood-group determination. 6 samples kindly furnished by

factors

laboratory

1.5

3,500

hemagglutination

size the

of

virus

the the

virus

i.e.,

determine largest gentle inhibitory

activity. molecules.

conditions capacity

with

shows the

human

a marked

molecular Blood-group The

findings

described increases

above

Vol. 28, No. 4, 1967

with the

molecular most

size

powerful

substantial

and

increase

activity

of

human

red

virus

cell

aqueous

the

these

receptors

(6)

virus

had

~0.5%

of

the

blood-group

and

~1.5%

of

the

smallest.

This

weight

of

which

active

M and

listed

last

last

expressed

in

on a molar

Dependence when

virus

blood-group It

is

molecular

Table

antiviral

determined in

both

Also,

(13).

hemagglutination

to

virus

the

activity

of

by

by a number

of

and

that

the

pH 8 the

the

from

with

highly

of

the

substance

listed

first

activities

with

on molecular

influenza

size

virus

was

B strain

less

for

determination

discussed independent and Mrs.

here

of and

the to

assessment H. Tegtmeyer

Dr.

A.

Dr. of for

8.

data

presented

here

activity

has

submaxillary

viruses

which

became

virus

their expert

Dr.

weights

Rubin,

Wyeth

antiviral

ant

sera.

Bezkorovainy,

molecular

markc

Maryland

that

importance

been

deduced

mucin

following

does

not

a potent

strains

the

it

the

treatment

significantly

inhibitor

when

from

was

of polymerized

ACKNOWLEDGEMENTS to

ant

are

(14,15).

I am grateful

it

Table

haptens

substances if

the

and

in

of

digestion

the

blood-

with

listed

than

striking

in

listed

some damage

of

(Mw 41,000)

influenza

lower

68°C

be

a

comparison

sample

molecules

activity

ovine

influenza

at

to

IO6 fold.

inhibitor

orosomucoid

hemagglutination

more

For

active

indicates

even

Likewise

as measured

by pronase

activity

rabbit

to

is

and

blood-group

with

largest

in

lo4

relation

and

the

was measured

influenza size

is

and

activity

for

of

most

appear

increase

sera.

activity

the

obtained

becomes it

activity

trypsin

inhibit

the basis:

noteworthy

of

The difference

inhibitory

size

decrease with

of

of

cells.

extracted

antiviral

(8,10)

1.

human

been

activity

were

human

weight

by a similar

with

that

latter

macromolecules

in Table

respectively

of

from

had

Its

activities

~5000

N active

which

was 0.5%

molecular

accompanied

as measured

included.

large

isolated

is

material

was

of

yet

size

substances

receptor

influenza

a molecular

glycoproteins

in molecular

phenol

PR8 strain

that

myxovirus

group

with

BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS

J.

(weight Institute activities.

technical

help.

512

Kirschbaum, average) of

and of

the

Dr.

G. Bernardi

substances

Medical

Research,

I thank

Miss

M.

for Kleintop

of

Vol. 28, No. 4, 1967

BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS

REFERENCES

I. 2.

Springer, MHkela,

O.,

G.F., and

and Ansell, N.J., Cantell, K., Ann.

Proc. Natl. Med. Exptl.

Acad. Biol.

Sci. U.S. 44, 182 (1958) Fenniae (Helsinki) 36,

366 (1958). 3. 4. 5.

;: 8. 9. 10. 11.

K* , Baranowski, T., Lisowska, E., Morawiecki, A., Romanowska, E., and Strozecka, Arch. Immunol. Terapii Dosw. 1, 15 (1959). Stalder, K., and Springer, G.F., Fed. Proc. 2, 70 (1960). Klenk, E., and Uhlenbruck, G., Z. Physiol. Chem. 319, 151 (1960). Kathan, R.H., Winzler, R.J., and Johnson, C.A., J. Exptl. Med. 113, 37 (1961). Springer, G.F. in Immunchemie, X V Colloquium Germ. Sot. of Physm. Chemists, 1964, pp. 90-112, Springer-Verlag, Berlin, Heidelberg, New York, 1965. Mosbach, Springer, G.F., Nagai, Y., and Tegtmeyer, H., Biochemistry 5, 3254 (1966). Springer, G.F., Fletcher, M., and Pavlovskis, O., X V Colloquium Protides of Biological Fluids, H. Peeters ed., Brugge, 1967, Elsevier, in press. Springer, G.F., Wang, C.S., and Mao, T., in preparation (1967). Bezkorovainy, A., Springer, G.F., and Hotta, K., Biochim. Biophys. Acta l&,

501 (1966). 12.

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Morawiecki, A., Biochim. Biophys. Acta 83, 339 (1964). and Biology of Sialic Acids and Related Substances Gottschalk, A., The Chemistry (Camb. Univ. Press, 1960) p. 82. Morawiecki, A., and Lisowska, E., Biochem. and Biophys. Res. Comm. Is, 4, 606 (19651 Whitehead, P.H., Flewett, T.H., Foster, J.R., and Sammons, H.G., Nature 208, 915 (1965).

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