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Adverse Effects Of Adjuvants In Vaccines
Part 1of 3
by Viera Scheibner, M.D.
Systemic lupus erythematosus is one of the innumerable
recognized side effects of a number of vaccinations. One of the best papers (if
not the best on this) is by Ayvazian and Badger (1948), and it has not lost any
of its punch and relevance since it was published.
They describe three cases of nurses who were literally
vaccinated to death. The authors
surveyed a group of 750 nurses who trained at a large municipal hospital between
1932 and 1946, and detailed the cases of three nurses who were vaccinated with
a multitude of vaccines over a period of time and developed and succumbed to
disseminated lupus erythematosus.
Typically, these nurses were given the following tests and
vaccines in short succession:
the Schick test;
three days later, the Dick test;
seven days later, typhoid-paratyphoid vaccine;
seven days later, another typhoid-paratyphoid vaccine (a
double dose);
seven days later, the third typhoid-paratyphoid vaccine;
and seven days later, the fourth typhoid-paratyphoid
vaccine. Every time, the recipient
developed local erythema and/or fever and malaise, but it did not deter the
doctor from administering yet another series of vaccines, starting only 14 days
after the first lot of tests and typhoid-paratyphoid vaccines.
This time, after all these injections, one of the trainee
nurses was given her first injection of scarlet fever streptococcus toxin with no
ill results.
One week later, she was given the second injection of
streptococcus toxin, after which she developed joint pains and fever. She did
not report these reactions to the health office.
Nine days later, she returned and received the third
injection of a fourfold dose of streptococcus, after which she developed severe
joint pain in the fingers and knees and a sore throat.
She was hospitalized for five days and discharged with the
diagnosis Dick-toxin reaction. Only five days later her inoculations were
continued, first in lower and then in gradually increasing doses so that the
series included a total of 10 instead of the usual seven injections.
Epinephrine was administered with each of these injections of streptococcus
toxin and toxin-antitoxin.
Two months after the last lot, the trainee nurse was re-admitted
to the hospital with swelling and pain of the ankles and toes and tenderness of
the joints of both hands, which had been constant since the first Dick test
five months earlier. The diagnosis was rheumatic arthritis.
She was given aspirin, but two weeks later the pain came
back and she developed chills and fever, sore throat and cough. One month
later, the trainee nurse was readmitted to hospital for two weeks, and during
this admission a streptococcus vaccine was started in small doses, but because
of her severe reaction further vaccines were refused. The diagnosis after this
admission was rheumatoid arthritis and infectious mononucleosis.
Four months later, the trainee nurse noticed skin
eruptions over her nose and both cheeks, and her saliva became foul. The skin
and cheeks, upper lips and the bridge of the nose were covered with purplish
red, mottled and indurated rash eruptions. Two months later, the eruptions
spread over much of the body. A year later, the trainee nurse died, but not
before developing severe symptoms of high fever, tachycardia, diarrhea and
showing abnormal blood tests.
It was not enough that this unfortunate trainee nurse
died; there were another two cases reported, almost identical to the first
case. We shall never know how many of the remaining 747 trainee nurses
developed less lethal, but still health-incapacitating. reactions.
If someone said that this type of medical treatment had
been given to the inmates of the Nazi concentration camps, I would not be
surprised. However, this type of medical treatment was and is being given
with impunity to millions of babies, children, teenagers and adults in
so-called free and democratic countries as well as in the Third World.
Meanwhile, the health authorities refuse to accept that vaccines cause such
reactions and even deaths.
Vaccination: A Safety Warning
The conclusions which follow the study of relevant medical
and immunological literature dealing with vaccines and the adjuvants used in
vaccines is that the absolute safety of these substances can never be
guaranteed.
According to Gupta et al. (1993), the toxicity of
adjuvants can be ascribed in part to the unintended stimulation of various
mechanisms of the immune response. Thats why the safety and adjuvancy must be
balanced to get the maximum immune stimulation with minimum side effects.
My conclusion is that such balance is impossible to
achieve, even if we fully understood the immune system and the full spectrum of
deleterious effects of foreign antigens and other toxic substances such as
vaccine and drug adjuvants and medications on the immune system of humans, and particularly
on the immature immune system of babies and small children.
Injecting any foreign substance straight into the
bloodstream will only cause anaphylactic (sensitization) reactions. Nature,
over thousands and thousands of years, has developed effective immune
responses; yet man, without respect for nature, demonstrably causes more harm
than good.
Vaccination procedures are a highly politically motivated
non-science, whose practitioners are only interested in injecting multitudes of
vaccines without much interest or care as to their effects. Data collection on reactions
to vaccines is only paid lip service, and the obvious ineffectiveness of vaccines
to prevent diseases is glossed over.
The fact that natural infectious diseases have beneficial
effect on the maturation and development of the immune system is ignored or
deliberately suppressed.
Consequently, parents of small children and any potential
recipients of vaccines and any orthodox medications should be wary of any
member of the medical establishment (which is little more than a highly
politicized business system) extolling the nonexistent virtues of vaccination.
http://www.whale.to/vaccine/adjuvants1.html
You can go on to the more technically oriented manuscript
which details many of the specifics of vaccine adjuvants.
DR. MERCOLAS COMMENT:
This is an excellent resource that clearly documents all
the OTHER material that are in the vaccines. One of the worst is thimerosol, a
mercury derivative, which US health authorities finally recognized a few years
may be causing problems.
Problems with mercury? Yes, indeed. Many experts believe
the mercury in the hepatitis B vaccine, which was often given to children the
DAY OF BIRTH, may be largely responsible for the huge increase in autism that
we have experienced in the US.
Adverse Effects Of Adjuvants In Vaccines
Part 2 of 3
by Viera Scheibner
Adjuvants, Preservatives And Tissue Fixatives In Vaccines
Vaccines contain a number of substances which can be
divided into the following groups:
Micro-organisms, either bacteria or viruses, thought to be
causing certain infectious diseases and which the vaccine is supposed to
prevent. These are whole-cell proteins or just the broken-cell protein
envelopes, and are called antigens.
Chemical substances which are supposed to enhance the
immune response to the vaccine, called adjuvants.
Chemical substances which act as preservatives and tissue
fixatives, which are supposed to halt any further chemical reactions and
putrefaction (decomposition or multiplication) of the live or attenuated (or
killed) biological constituents of the vaccine.
All these constituents of vaccines are toxic, and their
toxicity may vary, as a rule, from one batch of vaccine to another.
In this article, the first of a two-part series, we shall
deal with adjuvants, their expects role and the reactions (side effects).
Adjuvants
The desired immune response to vaccines is the production
of antibodies, and this is enhanced by adding certain substances to the
vaccines. These are called adjuvants (from the Latin adjuvare, meaning to help).
The chemical nature of adjuvants, their mode of action and
their reactions (side effect) are highly variable. According to Gupta et al.
(1993), some of the side effects can be ascribed to an unintentional
stimulation of different mechanisms of the immune system whereas others may
reflect general adverse pharmacological reactions which are more less expected.
There are several types of adjuvants.
Today the most common adjuvants for human use are
aluminum hydroxide,
aluminum phosphate
and calcium phosphate.
However, there are a number of other adjuvants based on
oil emulsions, products from bacteria (their synthetic derivatives as well as
liposomes) or gram-negative bacteria, endotoxins, cholesterol, fatty acids,
aliphatic amines, paraffinic and vegetable oils.
Recently, monophosphoryl lipid A, ISCOMs with Quil-A, and
Syntex adjuvant formulations (SAFs) containing the threonyl derivative or
muramyl dipeptide have been under consideration for use in human vaccines.
Chemically, the adjuvants are a highly heterogenous group
of compounds with only one thing in common: their ability to enhance the immune
response-their adjuvanticity.
They are highly variable in terms of how they affect the
immune system and how serious their adverse effects are due to the resultant
hyperactivation of the immune system.
The mode of action of adjuvants was described by Chedid
(1985) as: the formation of a depot of antigen at the site of inoculation, with
slow release; the presentation of antigen immunocompetent cells; and the production
of various and different lymphokines (interleukins and tumour necrosis factor).
The choice of any of these adjuvants reflects a compromise
between a requirement for adjuvanticity and an acceptable low level of adverse reactions.
The discovery of adjuvants dates back to 1925 and 1926,
when Ramon (quoted by Gupta et al., 1993) showed that the antitoxin response to
tetanus and diphtheria was increased by injection of these vaccines, together
with other compounds such as agar, tapioca, lecithin, starch oil, saponin or
even breadcrumbs.
The term adjuvant has been used for any material that can
increase the humoral or cellular immune response to an antigen. In the
conventional vaccines, adjuvants are used to elicit an early, high and
long-lasting immune response. The newly developed purified subunit or synthetic
vaccines using biosynthetic, recombinant and other modern technology are poor immunogens
and require adjuvants to evoke the immune response.
The use of adjuvants enables the use of less antigen to
achieve the desired immune response, and this reduces vaccine production costs.
With a few exceptions, adjuvants are foreign to the body
and cause adverse reactions.
Oil Emulsions
In the 1960s, emulsified water-in-oil and
water-in-vegetable-oil adjuvant preparations used experimentally showed special
promise in providing exalted immunity of long duration (Hilleman, 1966). The
development of Freunds adjuvants emerged from studies of tuberculosis.
Several researchers noticed that immunological responses
in animals to various antigens were enhanced by introduction into the animal of
living Mycobacterium tuberculosis. In the presence of Mycobacterium, the
reaction obtained was of the delayed type, transferable with leukocytes.
Freund measured the effect of mineral oil in causing
delayed-type hypersensitivity to killed mycobacteria. There was a remarkable
increase in complement-fixing antibody response as well as in delayed
hypersensitivity reaction.
Freunds adjuvant consists of a water-in-oil emulsion of
aqueous antigen in paraffin (mineral) oil of low specific gravity and low
viscosity. Drakeol 6VR and Arlacel A (mannide monooleate) are commonly used as
emulsifiers.
There are two Freunds adjuvants: incomplete and complete.
The incomplete Freunds adjuvant consists of water-in-oil
emulsion without added mycobacteria; the complete Freunds adjuvant consists of
the same components but with 5 mg of dried, heat-killed Mycobacterium
tuberculosis or butyricum added.
The mechanism of action of Freunds adjuvants is
associated with the following three phenomena:
1. The establishment of
a portion of the antigen in a persistent form at the injection site, enabling a
gradual and continuous release of antigen for stimulating the antibody;
2. The provision of a
vehicle for transport of emulsified antigen throughout the lymphatic system to
distant places, such as lymph nodes and spleen, where new foci of antibody
formation can be established; and,
3. Formation and
accumulation of cells of the mononuclear series which are appropriate to the
production of antibody at the local and distal sites. The pathologic reaction to the Freunds adjuvants starts at the
injection site with mild erythema and swelling followed by tissue necrosis,
intense inflammation and the usual progression to the formation of a
granulomatous lesion. Scar and abscess formation may occur. The reactions
observed following the administration of the complete adjuvant are generally
far more extensive than with the incomplete adjuvant.
The earliest cellular response is polymorphonuclear, then
it changes into mononuclear and later includes plasmocytes. The adjuvant
emulsion may be widely disseminated in varrious organs, depending on the route
of inoculation, with the development of focal granulomatous lesions at distal places.
Various gram-negative organisms may show a potentiating effect of the adjuvant,
similar to that displayed by mycobacteria.
The earliest use of oil emulsion adjuvants was made with
the influenza, vaccine by Friedwald (1944) and by Henle and Henle (1945).
Following their promising results on animals, Salk (1951) experimented with
such adjuvants on soldiers under the auspices of the US Armed Forces
Epidemiological Board.
He used a highly refined mineral oil, and developed a
purified Arlacel A emulsifier which was free of toxic substances, such as oleic
acid which had caused sterile abscesses at the injection site, and he
administered the vaccine by intramuscular route.
Subsequently, Miller et al. (1965) reported their, failure
to enhance the antibody and protective response to types 3, 4 and 7 adenovirus
vaccines in mineral oil adjuvant compared with aqueous vaccine. Unpublished
studies have revealed the need for an adequate minimal amount of antigen to
trigger an antibody response to the emulsified preparations.
Salk et al. (1953) applied Freunds adjuvant to
poliomyelitis vaccine, and later followed with extensive testing of killed
crude as well as purified polio virus vaccine in animals and humans, where the
reactions in humans were considered inconsequential.
Grayston et al. (1964) reported highly promising results
with the trachoma vaccine using an oil adjuvant.
However, the trachoma vaccine lost its relevance because, as
demonstrated by
Dolin et al. (1997) in their 37 years of research in a
sub-Saharan village,
the dramatic fall in the disease occurrence was closely connected
with
improvements in
sanitation,
water supply,
education
and access to health care.
According to Dolin et al. (1997), the decline in trachoma
occurred without any trachoma-specific intervention.
Allergens in Freunds adjuvant deserve special attention
because they can be dangerous. These dangers include an overdose, i.e., the
immediate release of more than the tolerated amount of properly emulsified
vaccine in sensitive persons, or the breaking of the emulsion with the release
of all or part of the full content of the allergen within a brief period of
time.
Long-term delayed reactions include the development of
nodules, cysts or sterile abscesses requiring surgical incision. It is also
likely that some allergens used, such as house dust or mould, might have acted
like mycobacteria to potentiate the inflammatory response. Such reactions have been
reduced with the use of properly tested and standardized reagins.
One must also consider that the first application of
Freunds adjuvants was made at a time when modern concepts of safety were
nonexistent Indeed, mineral oil adjuvants have not been approved for human use
in some countries, including the USA.
Mineral Compounds
Aluminum phosphate or aluminum hydroxide (alum) are the
mineral compounds most commonly used as adjuvants in human vaccines. Calcium
phosphate is another adjuvant that is used in many vaccines. Mineral salts of
metals such as cerium nitrate, zinc sulfate, colloidal iron hydroxide and
calcium chloride were observed to increase the antigenicity of the toxoids,
but alum gave the best results.
The use of alum was applied more than 70 years ago by
Glenny et al. (1926), who discovered that a suspension of alum-precipitated
diphtheria toxoid had a much higher immunogenicity than the fluid toxoid. Even
though a number of reports stated that alum-adjuvanted vaccines were no better
than plain vaccines (Aprile and Wardlaw, 1966), the use of alum as an adjuvant
is now well established.
The most widely used is the antigen solution mixed with pre-formed
aluminum hydroxide or aluminum phosohate under controlled conditions. Such
vaccines are now called aluminium-adsorbed or aluminium-adjuvanted. However,
they are difficult to manufacture in a physico-chemically reproducible way,
which results in a batch-to-batch variation of the same vaccine.
Also, the degree of antigen absorption to the gels of
aluminum phosphate and aluminum hydroxide varies. To minimize the variation and
avoid the non-reproducibility, a specific preparation of aluminum hydroxide (Alhydrogel)
was chosen as the standard in 1988 (Gupta et al., 1993).
The aluminum adjuvants allow the slow release of antigen,
prolonging the time for interaction between antigen and antigen-presenting
cells and lymphocytes. However, in some studies, the potency of adjuvanted
pertussis vaccines was more than that of the plain pertussis vaccines, while in
others no effect was noted.
The serum agglutinin titres, after vaccination with
adjuvanted pertussis vaccines, were higher than those of the plain vaccines,
with no difference in regard to protection against the disease (Butler et al.,
1962).
Despite these conflicting results, aluminum compounds are
universally used as adjuvants for the DPT (diphtheriapertussis-tetanus)
vaccine. Hypersensitivity reactions
following their administration have been reported which could be attributed to
a number of factors, one of which is the production of IgE along with IgG
antibodies.
It was suggested that polymerased toxoids, such as the
so-called glutaraldehyde-detoxifled purified tetanus and diphtheria toxins,
should be used instead of aluminum compounds. They are usually combined with glutaraldehyde-inactivated
pertussis vaccine.
Calcium phosphate adjuvant has been used for simultaneous
vaccination with diphtheria, pertussis, tetanus, polio, BCG, yellow fever,
measles and hepatitis B vaccines and with allergen (Coursaget et al., 1986).
The advantage of this adjuvant has been seen to be that it
is a normal constituent of the body and is better tolerated and absorbed than
other adjuvants. It entraps antigens very efficiently and allows slow release
of the antigen. Additionally, it elicits high amounts of IgG-type antibodies an
much less of IgE-type (reaginic) antibodies.
Bacterial Products
Microorganisms in bacterial infections and the
administration of vaccines containing whole killed bacteria and some metabolic
products and components of various microorganisms have been known to elicit
antibody response and act as immunostimulants. The addition of such
microorganisms and substances into vaccines augments the immune response to
other antigens in such vaccines.
The most commonly used microorganisms, whole or their
parts, are
Bordetella pertussis components,
Corenybacterium derived P40 component,
cholera toxin
and mycobacteria.
B. Pertussis Components
The killed Bordetella pertussis has a strong adjuvant effect
on the
diptheria and tetanus toxoids in the DPT vaccines. However,
there are a
number of admitted and well-describe reactions to it, such
as
convulsion Reye syndrome
infantile spasms Guilain-Barre syndrome
epilepsy sudden infant death syndrome (SIDS)
transverse myelitis cerebral ataxia
Adverse Effects Of Adjuvants In Vaccines
Part 3 of 3 (Previous)
Viera Scheibner Ph.D.
Immunology Principles: Antibody Response
To explain the action of adjuvants, we should look into
immunology.
The theory of vaccine efficacy is based on the ability of
vaccines to evoke the formation of antibodies.
This is of varying efficacy, depending on the nature of
the antigen(s) and the amount of antigenic substance administered.
However, the mechanisms for the diversity of immune
reactions are complex, and to this day are not quite known and understood.
There are numerous theories, the favoured one being antibody response as the
sign of immunization (acquiring immunity).
Specific immunity to a particular disease is generally
considered to be the result of two kinds of activity:
the humoral antibody
and the cellular sensitivity.
The ability to form antibodies develops partly in utero and
partly after birth in the neonatal period. In either case, immunological
competence-the ability to respond immunologically to an antigenic
stimulus-appears to originate with the thymic activity.
The thymus initially consists largely of primitive cellular
elements which become peripheralised to the lymph nodes and spleen. These cells
give rise to lymphoid cells, resulting in the development of immunological
competence.
The thymus may also exert a second activity in producing a
hormone-like substance, which is essential for the maturation of immunological
competence in lymphoid cells. Such maturation also takes place by contact with
thymus cells in the thymus.
Stimulation of the organism by antigen results in
proliferation of cells of the lymphoid series accompanied by the formation of
immunocytes, and this leads to the antibody production.
Certain lymphocytes and possibly reticulum cells may be
transformed into immunoblasts, which develop into immunologically active (sensitized)
lymphocytes and plasmocytes (plasma cells). Antibody formation is connected with
plasma cells, while cellular immunity reactions are mainly lymphocytic.
None of the theories for antibody formation comprehends
all the biological and chemical data now available. However, several principal
theories have been considered at length.
The so-called instructive theory holds that the antigen is
brought to the locus of antibody synthesis and there imposes in some way the
synthesis of the specific antibody with reactive sites that are complementary
to the antigen.
The clonal selection theory, evolved by Burnett (1960),
presupposes that the information requisite to the synthesis of the antibody is
part of the genetics. While the body develops a wide range of clones of cells
necessary to cover all antigenic determinants by random mutation during early embryonic
life, those clones which are capable of reacting with antigens of the body (self)
are destroyed, leaving only those cells which are not oriented to self (non-self).
Upon stimulation by a foreign antigen, the clones of the
cells corresponding to the particular foreign antigen are stimulated to
proliferate and to produce the antibody.
Other researchers demonstrated that there are at least
four different antigens formed by descendants of a single cloned cell. By this
mechanism, the information for antibody synthesis is contained in the genetic
material of each cell (DNA) but is normally repressed.
The antigen then assumes the role of a de-repressor and
initiates (provokes) the RNA synthesis for a particular messenger, resulting in
the corresponding antibody production.
The antigen would instruct the genetically predisposed
capability of multipotential cells as to which antibody to produce and might
also command the cells to proliferate, resulting in clones of properly
instructed cells.
There are two possible mechanisms for the elimination of
antibodies against self:
immunological nonresponsiveness
and immunological paralysis.
There are several states of immunological nonresponsiveness;
one is illustrated by the exposure of a fetus or newborn to an antigen prior to
the development of its ability to recognize the antigen as non-self (immunological
incompetence). Immunological paralysis results from the injection of a very
large amount of antigen into immunologically competent individuals. Nonspecific
immunological suppression by cortisone, ACTH, nitrogen mustards and irradiation
is also well known.
Cellular sensitivity, also known as delayed or cellular
hypersensitivity, depends on the development of immunologically reactive or sensitive
lymphocytes and possibly other cells which react with the corresponding antigen
to give a typical delayed-type reaction after a period of several hours, days
or even weeks.
Cellular hypersensitivity depends on the original
antigenic stimulation and a latent period, and is specific in its response.
Delayed-type hypersensitivity is characteristic of the bodys response to
various infectious agents such as viruses, bacteria, fungi, spirochetes and parasites.
It is also characteristic of the bodys response to various chemicals, such as
mercury, endotoxins, antibiotics, various drugs and many other substances
foreign to the body.
The induction of a hypersensitivity reaction requires the
presence in the tissues of the whole organism or certain derivatives of it, in
addition to the specific antigen such as a lipid in addition to tubercle
bacillus protein.
Sensitization to a noninfectious substance must be
mediated through the skin or mucous membranes which probably provide further
necessary cofactors.
A delayed hypersensitivity reaction may be enhanced
experimentally by the employment of the antigen in a mineral oil adjuvant with
added Mycobacterium tuberculosis or by injection of the antigen directly into
the lymphatics.
The delayed hypersensitivity response is accompanied by
mild to severe inflammation that may cause cell injury and necrosis. The
inflammatory response which occurs in delayed-type hypersensitivity may not be protective,
and in many instances may even be harmful (e.g., rejection of grafts is
directly linked to delayed hypersensitivity).
Immunopathology Of Hypersensitivity Reactions:
Immediate Hypersensitivity
This is the antibody-type reaction that is a secondary
consequence to the beneficial effect of the combination of an antibody with its
antigen.
Arthus-type Reaction
This reaction results from the precipitative union of a
large amount of antigen with a highly reactive antibody in the blood vessels,
and leads to vascular damage. The cascade of events includes spastic
contraction of the arterioles, endothelial damage, formation of leukocyte
thrombi, exudation of fluid and blood cells into the tissues, and sometimes
ischemic necrosis.
Periarteritis nodosa results from a similar antigen-antibody
reaction and is characterized by inflammation of the smaller arteries and
periarterial structures. It is accompanied by proliferation of the intima and
two types of occlusion:
(a) by proliferation or
thrombosis;
or (b) by the formation of nodules containing neutrophils
and eosinophils.
Anaphylaxis Injection of antigen and its combination with
antibody may cause release from the cells (especially mast-cell fixed
basophils) of physiologically active substances such as histamine, serotonin, acetyicholine,
slow-reacting substances (SRS) and heparin.
They act on smooth muscle and blood vessels and cause
·
rhinitis or hay fever anaphylactic (hypersensitivity)
shock
·
asthma attack accumulation of fluid in the joints
·
allergic oedema
Atopy is caused by the union of antigen-usually pollens,
dust, milk, wheat and animal danders-with a peculiar type of antibody (reagin).
This reaction is relatively heat-labile and cannot be demonstrated by in vitro
procedure. It has a special affinity
for the skin and for familial predisposition to the disease.
The reaction is nevertheless similar to other
immediate-type sensitivities,
with the release of histamine and its manifestation
principally as
asthma (breathing paralysis),
hay fever,
urticaria,
angioedema
and infantile eczema.
Delayed Hypersensitivity The typical pathology of delayed
hypersensitivity due to infectious agents involves perivascular infiltration of
lymphocytes and histiocytes with the destruction of the antigen-containing
parenchyma in the infiltrated area. The visual manifestations may vary from
slight erythema and oedema to a violent reaction with progressive tissue destruction
and necrosis.
Local reactions include papular rose spots of typhoid
fever, meningitis and a variety of infectious diseases, and contact
sensitivities to plant and chemical substances manifesting as erythema,
followed by papule and vesicle formation with resultant tissue damage and
desquamation.
Systemic reactions may accompany severe local reactions or
may result from inhalation of the allergenic substances.
Humoral antibodies do not seem to play a role in delayed
hypersensitivity reaction. The reactivity is transferred only by cells,
presumably sensitized lymphocytes, and it is unlikely that histamine or other
physiologically active substances play a role in the reaction. The reaction
extends to any or all tissues where the offending antigen may occur.
Isoimmunological Disease This is the result of an
immunological reaction of a member of the same species to the tissue of another
member of the same species. A blood transfusion reaction in a person given an
incompatible blood type is a typical example.
Another example is erythroblastosis fetalis, which results
from the transfer of antibodies against the red blood cells of the foetus to
the foetal circulation. Homograft rejection of tissues or organs between
nonisologous members of a species is also immunologically based.
Immunological Disease Resulting from Adsorption of Foreign
Substances Under certain circumstances, foreign substances such as medications
may combine with cells to render them antigenic. Subsequent exposure to such a
foreign substance results in lytic, agglutinative or other types of
cell-destructive activity. Such a reaction may involve red blood cells
(drug-induced anaemias), platelets (drug-induced thrombocytopemc purpura), and leukocytosis
(drug-induced agranulocytosis).
Bacteria or viruses may also alter cell surfaces by
coating or by unmasking antigens through enzymatic activity which may render them
vulnerable to immunological destruction.
Autoimmune Disease Under certain circumstances, the body
may respond immunologically to its own components or to intrinsic substances
which are related antigenically to the hosts own tissues. The circulating antibody
or sensitized cells which are produced are then active in causing cellular injury
to the tissues or organs of the body which bear the corresponding antigen.
Waksman (1962) proposed several mecnamsms of
autoimmunisation, such as:
1. Vaccination with
organ-specific antigens which are isolated from the lymphatic channels and
bloodstream and are not recognized as self when brought into contact with the
immunologic process. They are represented in the central and peripheral nervous
systems, lens, uvea, testes, thyroid (thyroglobulin), kidneys and other organs.
2. Vaccination against
constituents of tissues which have been altered antigenetically by various
factors. These include
myocardial infarction,
X-irradiation,
enzymatic or other chemical alteration,
and changes induced by infectious disease agents or by drugs.
Erythrocytes, platelets and leucocytes are the most
affected cells. Various organs may also be affected.
3. Vaccination with
heterologous antigens which are sufficiently different to permit an
immunological response but sufficiently alike to react with autologous
antigens.
4. Alteration of the
immunological apparatus so as to result in the failure of recognition of self.
This occurs in neoplasia of the lymphatic system and in experimental grafting
of immunologically competent heterologous lymphatic tissues under conditions
which suppress the hosts response to the graft and give rise to the wasting runt
disease or homologous disease.
5. Possible hereditary
or other immunological abnormality. This is represented by a hyper-reactivity
to antigens or other aberrations without apparent antigenic stimulation. Such
mechanisms might be related to certain forms of the collagen diseases, such
as systemic lupus erythematosus in which there is an antibody against a
diversity of antigens.
6. Experimentally,
Freunds mineral oil adjuvant (usually with added mycobacteria) and certain
bacteria or bacterial toxins may so alter the host as to bring about a ready
response to unaltered normal homologous tissue. These experimental autoallergies include a wide variety of
organs and tissues, and are now being employed as model systems for
investigation of autoimmune phenomena.
Both humoral antibody and sensitized cells may function in
autoimmune disease. Auto-antibodies seem to be involved in reactions with cells
which are easily accessible, such as the formed elements of the blood (in haemolytic
anaemia, leucopeni thrombocytopenia), vascular endothelium, vascular basement
membrane including the glomerulus (in acute glomerulonephritis and ascites
cells (neoplastic immunity).
Production of lesions in the solid vascularised tissues
appears to depend on delayed hypersensitivity reactions with sensitized
lymphoid cells (such as in allergic encephalomyeitis, thyroiditis, subacute and
chronic glomerulonephritis, orchitis, adrenalitis and many other diseases).
It is quite obvious now that the same autoimmune
mechanisms are responsible for the same diseases in human beings and that the
extent of such damage is enormous and keeps increasing with more and more
vaccines added to to recommended schedule.
Indeed, vaccines such as the pertussis vaccine are
actually used to induce autoimmune diseases in laboratory animals, the best and
most publicized example being the so-called experimental allergic
encephalomyelitis (EAE).
When, as expected, these unfortunate animals develop EAE
from the pertussis vaccine, the causal link is never disputed; yet when babies
after vaccination with the same vaccines develop the same symptoms of EAE as
the laboratory animals, the causal link to the administered vaccine is always disputed
and usually considered coincidental.
Lately, innocent parents and other carers have been
accused of causing the symptoms of vaccine darn age by allegedly shaking their
babies.
FROM:
http://www.whale.to/vaccine/adjuvants.html
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