Oncological
pathologists, looking at slices of a tumor, believe they can guess when
the cells have an evil intention. However, biologists studying living
cells find that cells can do only what they are allowed to do by their
environment.
Ray Peat
2014
According
to the World Health Organization, cancer is now the leading cause of
death in the world. Although many "causes" are known, and despite the
"War on Cancer," nothing practical has been done to reduce the incidence
of cancer. Since Nixon started that war, the number of people dying
annually in the US has increased faster than the population. In ancient
Rome and Egypt, cancer was rare; cancer has been identified in only one
Egyptian mummy. In the US and several other countries, between 2002 and
2005 there was an unprecedented decline (7% in the US) in the incidence
of breast cancer, when the medical use of estrogen decreased following
the Women's Health Initiative report showing that estrogen caused
cancer, dementia, strokes and heart attacks. However, when the public
was reassured about estrogen's safety, breast cancer incidence began
increasing again each year.
The
cancer industry has been flexible and imaginative in ways of presenting
"age standardized" death rates to show that they are making progress
against cancer, but there are philosophical and scientific problems in
"oncology" (i.e., the study or treatment of lumps) that should be
considered by anyone who plans to do business with that profession.
In
the 19th century (in Johannes Muller's lab), cancers, like other animal
tissues, were found to be made up of cells, and by 1858, all diseases
were said to be caused by disturbances in cells (Rudolph Virchow). The
atomic and molecular theory of matter was becoming accepted at the time
that animals were found to be made up of cells, and in both cases the
"elementary particles" seemed to have a special power to explain
things.
This
idea of a cellular basis of disease gradually displaced the old idea
that diseases were caused by an imbalance of the body fluids, or humors.
In 1863, Virchow recognized that inflammation, involving leukocytes,
was a common feature of cancer, but that aspect of his work was
neglected for a long time.
Recent
medical textbooks reveal no major change in the understanding of cancer
since Virchow's time, except that "genes" (which weren't known during
Virchow's life) gradually became the most important aspect of cells. The
typical modern textbook describes the cellular disturbance of cancer as
the result of an "initiating" mutation in a gene, which gives it the
potential to develop into a cancer, if it subsequently is exposed to a
"promoter," which causes it to multiply. In some versions of the theory,
a promoter is a second mutation that causes proliferation, but in other
versions the promotion is caused by chemicals binding to receptors the
way hormones do, to stimulate proliferation. Typically, textbooks (and
reports of continuing research) describe subsequent changes in the genes
that cause a cancer to progress from a simple excess of cells through
stages of increasing malignancy: hyperplasia, dysplasia, carcinoma in
situ, invasive cancer.
One of the reasons that the medical understanding of cancer hasn't changed
significantly
since Virchow's time is that blaming misbehaving cells for causing a
tumor fits into the older medical tradition, that has existed at least
since the time of Hippocrates, 400 BC, which treated tumors either by
cutting them out, or by burning them off with caustics. Virchow's
identification of misbehaving cells provided a clear mental image of
exactly what the physician must try to destroy. And it's probably hard
to get interested in something which could seriously limit your
professional activities if it turned out to be true.
The
"cellular basis of cancer" was developed simultaneously with the germ
theory of disease, and in the case of cancer, the deviant cells came to
be considered an alien substance, "not-self," analogous to infective
germs. Paul Ehrlich's search for poisons that were specific for
bacterial pathogens was quickly extended to the idea of finding poisons
that would distinguish between cancer cells and the patient's cells.
Hippocrates'
therapeutic approach to cancer may have survived for 2400 years, but
the ideas of his younger contemporary, Plato, about order and causation
have probably had a greater effect on medicine. Plato believed that the
world of experience is inferior and accidental, and that there are
timeless "Forms" that are the real substances. In the atomic theory of
matter, eternal, unchanging atoms took the place of platonic forms, and
there are still molecular biologists who insist that life can only be
explained in terms of its constituent atoms ("What else is there but
atoms?"). This philosophy of timeless forms was a deep commitment of
people like Gregor Mendel and August Weismann, whose ideas dominated the
thinking of early 20th century geneticists. Genes were the immutable
essence of organisms, and the cells, tissues, and organs that form the
organism are merely temporal and accidental. Weismann's "germ plasm" or
germ line contained the immortal genes, the rest of the body lacked
them, and was essentially mortal.
For
most of the 20th century, the official doctrine was that most of the
cells of the adult body became stationary once the body reached its
adult size, and that aging consisted of the "wearing out" of those
mortal cells. When a tumor, containing new cells, would appear and grow,
these cells were called "immortal," because they didn't follow the rule
for normal, stationary, mortal cells. Their "immortality" is often
demonstrated by growing them endlessly in culture dishes. Normal cells,
if they can be made to survive in a culture dish, are likely to be
"transformed" into cancer, demonstrated by their ability to replicate in
dishes.
This
is an important ideological point, that developed as biologists were
experiencing the extreme difficulty of getting cells to replicate, or
even to survive, in culture dishes. It has only recently been realized
that cells need more than nutritional and hormonal signals to survive in
culture; they require certain textural, structural, even rhythmically
repeating conditions that mimic their surroundings in the living body.
Applied
to cancer, the gene theory made it seem clear that the changes
occurring in tumor cells were irrevocable, and it has seemed
self-evident to oncologists that the only hope the cancer patient has is
for the physician to destroy every bit of the alien substance. The
recurrence of a cancer that has been removed has been evidence to them
that fragments had remained, or that the cancer had distributed its
seeds into other parts of the body. This seems to be the necessary
conclusion if cancer is "caused" by defective genes.
New
ideas of causality have grown up in science beside, or within, the
science culture that is committed to platonism, reductionism, and
genetic determinism. A few biologists, including Ana Soto and Carlos
Sonnenschein, are applying more realistic ideas of causality to
ecological, developmental, and cancer research. They have said (Soto, et
al., 2009) "The ecological developmental biology (eco-devo) movement
rejects the notion that development is merely the unfolding of a genetic
program." If events such as cancer aren't "caused by genes,"
understanding the causes of cancer and the appropriate ways to treat it
will require more holistic ways of looking at the tumor's relation to
the organism, and the organism's relation to the environment.
It has been more than 40 years since experimenters demonstrated that cancer cells could
be caused to revert to normal, by changing their environment. Harry
Rubin (2006) has observed that cells can accumulate hundreds of
mutations, and still function normally in the organism, but when
separated and grown in a culture dish their differences become obvious.
The surrounding cells in the body are causing the defective cells to
remain normal in appearance, function, and growth behavior, instead of
acting like cancer cells, and can also cause "stem-like" cells to
differentiate appropriately.. He says "Intimate contact between the
interacting cells is required to induce these changes." When stem cells
enter a tumor, they don't find that regulatory, normalizing interaction
with normal cells.
Work
like Rubin's shows that even "myriad" mutations don't necessarily cause
cancer, and another line of research shows that things which don't
cause mutations can cause cancer--the "non-mutagenic carcinogens." The
presence of mutations is neither sufficient nor necessary for causing
cancer, but tumors do eventually accumulate serious damage, which causes
most of the tumor cells to die quickly. Biological stress, or
excitotoxic energy deprivation, destabilizes the genome; genetic changes
develop as a result of prolonged destructive influences. The
"non-genotoxic" carcinogens first cause inflammation, excitation, and
energy impairment, leading to fibrosis, and atrophy.
Cycles
of cell injury, death, and repair cause chromosomes to deteriorate as
the tissue loses its organization. When a cell is stimulated, it
responds, and the response requires energy. The stronger and more
continuous the stimulus, the more energy the cell needs to continue
responding. In some conditions, cells can desensitize themselves, to
survive in the presence of continuous stimulation or irritation, but
otherwise they are killed when they don't have enough energy to keep
responding.
When
a nerve is stimulated and responds, a wave of negative electrical
charge passes through it; the electrical field accompanies a structural
change in the cytoplasm of the nerve; similar changes occur in other
types of cell. Stimulation of a nerve with negative (cathodal) polarity
causes swelling, stimulation with the opposite polarity causes the
opposite behavior; when nerve cells are inhibited, they shrink (Tasaki
and Byrne, 1980; Tasaki, et al., 1988; Tasaki, 1999).
Swelling,
an increase of the water content of an area of tissue, is a general
feature of inflammation (Weiss, et al., 1951), whether it's in a lump
caused by a bee sting, a bruise, or hives, or a cancer. Besides the
instantaneous uptake of water described by Tasaki, there are increases
that continue because of metabolic and chemical changes in the irritated
cell. Tasaki has used gels of synthetic polymers to demonstrate that an
electrical field can cause these changes, without the need for the
"chemical osmotic" changes that are customarily assumed to account for
the swelling changes caused by stress (Tasaki, 2002). When the pH of a
protein gel becomes more alkaline, it swells.
The
electrical activation of a nerve causes a quick shift towards internal
alkalinity (Endres, et al., 1986), followed by a sudden increase in
lactic acid production. Although increased lactic acid causes acidity of
an irritated or inflamed region, the conversion of pyruvic acid to
lactic acid causes the interior of the stressed cell to become more
alkaline, causing it to swell. This is the same process that causes the
familiar swelling of tired muscles.
If
blood vessels swell, the delivery of oxygen may be restricted, and
hypoxia causes more intense swelling, because more lactic acid is
produced, and less oxidized. This swelling pressure resembles an
increase of osmolarity. For over 100 years, it has been customary to
treat shock with "isotonic" fluids, which are in balance with well
oxygenated tissues, with approximately 290 milliosmoles per liter, but
this usually causes edema, swelling, and weight gain. Stressed tissues
have been found to be in balance with fluids of much higher osmolarity,
for example 372 mOsm/L (Tranum- Jensen, et al., 1981), and sometimes
much higher.
Apart from its acidity, lactic acid acts as an excitatory signal. A very slight increase above
the normal amount of lactic acid in the body fluids excites sensitive
cells, and the amounts reached in inflamed tissues and in cancers will
excite even stable cells such as myelinated nerves (Uchida and Murao,
1975).
Cancer
cells show all the signs of being intensely stimulated, and this
includes a high rate of oxygen consumption (deGroof, et al., 2009). The
stimulation increases the energy requirements beyond the ability of the
mitochondria's capacity to meet them, leading to the production of
lactate even when a normal amount of oxygen is present.
Even
when both glucose and oxygen are supplied (which they usually aren't),
the tumor cells will consume amino acids as fuel, as well as using them
as material for growth.
Tumors
have been called "nitrogen traps" or "glutamine traps," but this has
meaning beyond the use of the nitrogen for growth; it is involved in the
energetic inefficiency of this process, and the reorganizing effects
this wasteful flow of energy has on the tissue structure (Medina, 2001).
When glutamine enters the Krebs cycle to be used as fuel, this
interferes with the ability to oxidize glucose, causing more lactic acid
to be formed, contributing to the excitation and increased energy
requirement.
Lactic
acid activates the other major mediators of inflammation, including
prostaglandins (made from PUFA), free fatty acids (including
arachidonate, that forms prostaglandins; Schoonderwoerd, et al., 1989),
nitric oxide, carbon monoxide, proteolytic enzymes that degrade the
extracellular matrix, TNF (Jensen, et al., 1990), hypoxia inducible
factor (Lu, et al., 2002; McFate, et al., 2008), interferon, and
interleukins. Arachidonic acid itself can increase lactate production
(Meroni, et al., 2003). TNFalpha and interferon gamma activate lactic
acid production by increasing prostaglandins (Taylor, et al., 1992).
Most
of the present information about cancer cells' behavior, such as
reactions to radiation and chemical toxins, has been based on the study
of cells in culture dishes. For more than 70 years, it was generally
believed that radiation caused mutations and cancer by directly
modifying the cells' genetic material. Then, it was discovered that
fresh cells that were added to a dish of irradiated cells also developed
mutations. The radiation causes cells to emit excitatory, inflammatory,
substances such as serotonin and nitric oxide, which injure the cells
that are later put near them.
Applying
this information to the existing knowledge that radiation induces
cancer in animals, the doctrine of genetic determinism inferred that the
radiation "bystander effect" is just another mechanism by which
radiation produces the "mutant cancer cell" or clone of cancer cells.
But the difference between events in vitro and in vivo is that cells
which are injured in the organism immediately initiate a process of
healing, and in that situation each of the substances emitted by injured
cells is acting both locally and systemically to activate repair or
regeneration of the damaged tissue. Cells isolated in a culture dish
can't call on the organism for the necessary materials, so the responses
of the "bystander" cells, leading to mutations and death, seem
meaningless. The injured cells are merely toxic, rather than potentially
being a stimulus to healing.
When
any part of a living organism is injured, for example by x-rays or
surgery, the emitted substances affect the endocrine and nervous
systems, activating processes that change metabolism and behavior. The
injured tissue takes on new functions, for example by locally
synthesizing estrogen, cortisol (Vukelic, et al., 2011), and other
hormones, as well as stimulating the normal endocrine glands to secrete
them. These interactions have been generally disregarded in cancer
treatment, because of the gene centered theory of cancer, but they are
essential for understanding the "malignancy" of tumors, that property
that makes them likely to return after the tumor has been destroyed, and
to spread to other tissues. Has anyone ever heard of a radiologist or
surgeon who measured estrogen or the various mediators of inflammation
before, during, and after their treatments? Long range survival after
breast cancer surgery is affected by the time in the menstrual cycle
when the surgery is done (Lemon, et al., 1996).
All sorts of stress, inflammation, and tissue injury increase the concentration of
estrogen,
both locally and systemically. Estrogen in turn produces hypoxia,
swelling, lactic acid formation, and stimulates cell multiplication.
Even a brief period of hypoxia will cause the secretion of lactate and
other chemoattractants (Neumann, et al., 1993), which will cause cells
to move into the hypoxic area from the blood stream. Although lactic
acid attracts immune cells, it probably reduces their anticancer
functions, and it stimulates the formation of new blood vessels,
supporting continued growth and expansion of the multiplying cells
(Hirschhaeuer, et al., 2011). When a tissue is being repaired normally,
the new cells sense a quorum, and stop multiplying. The return of nerves
to the damaged area is part of the regenerative process; nerves have
inductive and stabilizing effects on differentiating cells.
These
complex interactions between tumor cells and the rest of the organism
are not considered by the ideology of medical oncologists. The ruling
belief is that the malignancy of cells can be determined by examining them microscopically, and that their
rate of growth can be determined, and that the tumor's approximate time
of origin can be estimated. After surgically removing a tumor, the
administration of chemotherapy and/or radiation is governed by
mathematical descriptions of the expected behavior of cancer cells.
The
mathematical relation of mortality to aging was described by Benjamin
Gompertz, an actuary, in 1825, based on the understanding that people
become less able to resist dying as they get older. This Gompertzian
growth curve, which is realistic when applied to a population of people,
flies, or rabbits, was applied to tumor growth (A.K. Laird, in 1964).
Gompertz' reasoning that the probability of a person's dying increases
with age has nothing to do with cancer cells, and there is very little
evidence that his law of growth is useful for describing tumors. Laird's
evidence consisted of 19 tumor samples, taken from 10 mice, 8 rats, and
a rabbit. Her suggestion that the continuing deceleration of the growth
rate might represent a natural growth regulating process wasn't
influential, but her use of an actuarial formula, suggesting certain
properties of cancer cells, has been extremely influential. It seems to
be the profession's great need for justification that has made a Law of
Tumor Growth so important to them.
At
the time Laird did the tumor growth study, there was considerable
interest in the idea that the immune system could be induced to prevent
tumor growth. In 1951, Chester Southam, of the Sloan-Kettering
Institute, tested his theory of cancer immunity on hundreds of patients
and prisoners, and his results were widely reported. He found that
pieces of tumor implanted in healthy people caused a local intense
inflammation, which healed completely after two or three weeks. In sick
people, the rejection of the cancer implant took about twice as long,
and in people who already had cancer, the implant was very slow to be
destroyed, and sometimes it was still present when they died.
In
1889, Stephen Paget had noticed that cancers metastasize only into
certain organs, and compared the cancer cells to seeds that "can only
live and grow if they fall on congenial soil." While many people, like
Southam, saw a failing "immune system" as part of the congenial soil,
and suggested vaccination to activate an immune rejection of the tumor,
others have suggested "reducing the soil to dust," making growth
impossible in a more general way. Recently, this attitude has taken the
form of different ways of "starving" cancer, by reducing sugar in the
diet, or by blocking cells' ability to use sugar.
The
idea of making the "soil" inhospitable to cancer is a variation on the
theme of killing the unwanted tissue. As long as the lump is defined as
an alien material, killing it by any means seems reasonable, but if it
is seen as the body's attempt to repair itself, then killing it is no
more reasonable than it would be to cut the spots out of someone with
smallpox.
When
a cell is dying, it emits growth stimulating signals (Huang, et al.,
2011). That's a normal part of tissue renewal. Some of its substance
guides the differentiation of new cells, as demonstrated long ago by
Polezhaev (discussed in my previous article, "Stem cells, cell culture,
and culture: Issues in regeneration"). Anything that injures a tissue
enough to require cells to be replaced causes the activation of a
regulatory protein, hypoxia-inducible factor, HIF, which inhibits
mitochondrial respiration, causing a shift toward glycolytic metabolism,
increasing substances needed for growth. HIF is essential to the
healing of any wound. Even glucose deprivation can cause the induction
of HIF.
Prostaglandins, made from polyunsaturated fatty acids released by stimulation, can cause HIF to increase, but HIF also causes prostaglandins to increase. Lactic acid increases
the expression of HIF, while HIF causes cells to shift metabolically to
depend on converting glucose to lactic acid, that is, to adopt the
"cancer metabolism." HIF is recognized as a fundamental problem in
"cancer therapy," since HIF allows the cancer to resist the treatment,
but the treatment increases HIF.
Radiation, chemotherapy, and
surgery all activate these processes of cell replacement, and unless
something has changed to improve the organism's recuperative ability, it
isn't clear why the cells which replace the missing part should be more
able to satisfactorily complete the recovery process than the original
cells were. Even the amount of radiation in a single dental x-ray is
enough to activate the excitatory-inflammatory processes, and a
"therapeutic" x-ray to any part of the body excites similar, but much
greater, processes throughout the body. But the ideology of "the cancer
cell," and the Gompertz Growth Law, guide the practice of cancer
treatment.
Many
years ago, Harry Rubin was impressed by hearing from a pathologist that
he had been able to find diagnosable cancer somewhere in the body of
every person over the age of 50 that he had autopsied. If everyone has
cancer by the age of 50, that means that cancer is harmless for most
people, and that small cancers might frequently appear, and be
spontaneously removed as part of the body's regular house-cleaning.
One of the reasons that spontaneous regression of tumors seems so rare is
undoubtedly
that most tumors are quickly cut out by surgeons. Preventing injury
should be a basic consideration, but the medical slogan, "first do no
harm," just doesn't apply to the cancer treatment industry, and this
results from the doctrine of "the cancer cell," which is something to be
destroyed or kept from multiplying. In the process of diagnosing a
cancer, and during the course of treating it, the patient is usually
subjected to multiple x-ray examinations, sometimes given radioactive
drugs that supposedly concentrate in hidden tumors to emit positrons,
and often has toxic contrast agents injected even for MRI examinations.
These procedures, even before the destructive "therapies" begin, are
adding to the body's inflammatory burden, interfering with the body's
ability to complete a healing process. Decisions about pain control
usually disregard the effects of the drugs on tumor growth and general
vitality--for example, the opiates stimulate histamine release, which
increases inflammation and tumor growth.
In 1927, Bernstein and Elias found that rats eating a fat free diet had almost no
spontaneous
cancer, and many studies since then in animals and people have shown a
close association between polyunsaturated fatty acids and cancer. The
polyunsaturated fatty acids in themselves, and their breakdown products,
are excitatory and destabilizing to normal cells, but by modifying the
sensitivity and energy production of cells, they limit cells' ability to
respond to stimulation and destabilizing influences. Although they
aren't essential for wound healing (Porras-Reyes, et al., 1992), they
and their metabolites, the prostaglandins, are very conspicuous in
wounds and tumors, and their proportion generally increases with aging.
The prostaglandins are involved in several vicious cycles, including
that with HIF mentioned above. This makes the PUFA and prostaglandins
important to consider in relation to optimizing wound healing, and
decreasing cancerization. Aspirin's protective and therapeutic effects
in cancer are starting to be recognized, but there are several other
things that can synergize with aspirin to reduce the circulation of free
fatty acids and their conversion to prostaglandins. Niacinamide,
progesterone, sugar, carbon dioxide, and red light protect against both
free fatty acids and prostaglandins.
Since excitation leads to intracellular alkalinity and swelling, reducing the excitation seems
reasonable, and many things which protect cells against excitation also
have demonstrated anticancer effects. Local anesthetics,
antihistamines, and antiinflammatory substances and some anesthetics
such as xenon (Weigt, et al., 2009) are safe. Inhibitory substances
related to GABA are being investigated for their ability to stop tumor
growth. Simply stopping excessive excitation tends to restore the
dominance of oxidative respiration over glycolysis.
To restore the supply of oxygen, sugar, and nutrients, swelling must be stopped.
Hyperosmotic
fluids act directly on swollen cells, removing water. Stopping
excitation allows a return to efficient metabolism and reduces the
injury potential, allowing the pH to decrease; with lower pH, the cell
releases some of its water. Increasing carbon dioxide lowers the intracellular pH, as well as inhibiting lactic acid formation, and restoring the oxidation of glucose increases CO2. Inhibiting carbonic anhydrase,
to allow more CO2 to stay in the cell, contributes to intracellular
acidification, and by systemically increasing carbon dioxide this
inhibition has a broad range of protective anti-excitatory effects. The
drug industry is now looking for chemicals that will specifically
inhibit the carbonic anhydrase enzymes that are active in tumors.
Existing carbonic anhydrase inhibitors, such as acetazolamide, will
inhibit those enzymes, without harming other tissues. Aspirin has some
effect as an inhibitor of carbonic anhydrase (Bayram, et al., 2008).
Since histamine, serotonin (Vullo, et al., 2007), and estrogen (Barnett,
et al., 2008; Garg, 1975) are carbonic anhydrase activators, their
antagonists would help to acidify the hypoxic cells. Testosterone
(Suzuki, et al., 1996) and progesterone are estrogen antagonists that
inhibit carbonic anhydrase.
With aging, cells have less ability to produce energy, and are often more easily
stimulated.
The accumulation of polyunsaturated fats is one of the factors that
reduce the ability of mitochondria to produce energy (Zhang, et al.,
2006, 2009; Yazbeck, et al., 1989). Increased estrogen exposure,
decreased thyroid hormone, an increased ratio of iron to copper, and
lack of light, are other factors that impair the cytochrome oxidase
enzyme.
The increased intracellular alkalinity and intracellular calcium that result from the
combination of those factors increase the tendency of cells to be overstimulated, leading
to aerobic glycolysis, the cancer metabolism. Improving any part of the
system tends to increase carbon dioxide and decrease lactate,
permitting differentiated functioning.
There are many people currently recommending fish oil (or other highly unsaturated oils) for preventing or treating cancer, and it has become almost as common to recommend
a sugar free diet, "because sugar feeds cancer." This is often,
incorrectly, said to be the meaning of Warburg's demonstration that
cancer cells have a respiratory defect that causes them to produce
lactic acid from glucose even in the presence of oxygen. Cancer cells
use glucose and the amino acid glutamine primarily for synthetic
purposes, and use fats as their energy source;the growth stimulating
effect of the "essential fatty acids" (Sueyoshi and Nagao, 1962a;
Holley, et al., 1974) shows that depriving a tumor of those fats retards
its growth. The great energetic inefficiency of the cancer metabolism,
which causes it to produce a large amount of heat and to cause systemic
stress, failure of immunity, and weight loss, is because it synthesizes
fat from glucose and amino acids, and then oxidizes the fat as if it
were diabetic.
Estrogen,
which is responsible for the fact that women burn fatty acids more
easily than men, is centrally involved in this metabolic inefficiency.
When a tissue is exposed to estrogen, within minutes it takes up water,
and begins to synthesize fat, with a tendency to produce lactic acid at
the same time. The alkalizing effect of lactic acid production is
apparently what accounts for the uptake of water. Since it takes longer,
at least 30 minutes, to produce a significant amount of new enzymes,
these early changes are explained by the activation of existing enzymes
by estrogen.
The transhydrogenases, or the transhydrogenase function of the steroid
dehydrogenases, which shift metabolic energy between glycolytic and oxidative
systems, have been shown to explain these effects of estrogen, but the
transhydrogenases
can be activated by many stressors. The biological function of the
transhydrogenases seems to be to allow cells to continue growth and
repair processes in a hypoxic environment. Estrogen can start the
process by creating new pathways for electrons, and will promote
processes that are started by something else, and progesterone is
estrogen's natural antagonist, terminating the process.
Recently,
a group at Johns Hopkins University (Le, et al., 2012) has been working
out the implications of this ability to change the metabolism under
hypoxia: Using an isotope-labeled amino acid, ". . . glutamine import
and metabolism through the TCA cycle persisted under hypoxia, and
glutamine contributed significantly to citrate carbons. Under glucose
deprivation, glutamine-derived fumarate, malate, and citrate were
significantly increased." The implication of this is that if the tumor
isn't supplied with sugar, it will increase the rate at which it
consumes the host's proteins.
Forty
years ago the work of Shapot and Blinov was showing the same effect,
except that they demonstrated the involvement of the whole organism,
especially the liver, in interaction with the tumor (Blinov and Shapot,
1975). The alkaline cancer cell surrounds itself by the acid that it
emits, and this extracellular acidity increases the ability of fatty
acids to enter the cell (Spector, 1969); cancer cells, although they are
synthesizing fat, also avidly take it up from their environment
(Sueyoshi and Nagao, 1962b). This fat avidity is so extreme that cancer
cells in vitro will eat enough polyunsaturated fat to kill themselves.
This has been offered as proof that fish oil kills cancer. Saturated
fats, however, have a calming effect on cancer cells, inhibiting their
aerobic glycolysis (Marchut, et al., 1986) while permitting them to
resume the respiratory production of energy.
The foods that nourish the patient well enough to support healing while permitting energy
reserves to be built up are also the foods that don't interfere with
the hormones, that don't cause spurious excitation of the tissues. The
polyunsaturated fats directly stimulate the stress hormones, activate
the excitatory amino acid signals, and directly excite cells, while the
saturated fats have opposite effects, and are anti-inflammatory, and
also don't interfere with mitochondrial function. When we eat more
carbohydrate than can be oxidized, some of it will be turned into
saturated fats and omega-9 fats, and these will support mitochondrial
energy production. Carbohydrates in the diet also help to decrease the
mobilization of fatty acids from storage; niacinamide and aspirin
support that effect. Sugars are probably more favorable than starches
for the immune system (Harris, et al., 1999), and failure of the immune
system is a common feature of cancer.
Polyunsaturated
fats are generally known to suppress the immune system. Foods that
provide generous amounts of sodium, calcium, magnesium, and potassium,
help to minimize stress. Trace minerals and vitamins are important, but
can be harmful if used excessively--iron excess is important to avoid.
Emodin, an anti-inflammatory substance found in cascara sagrada bark and other plants,
is similar to other molecules that have been used for treating cancer,
and one of its effects is to lower HIF: "Consistently, emodin attenuated
the expression of cyclooxygenase 2 (COX-2), VEGF, hypoxia inducible
factor 1 alpha (HIF-1!), MMP-1 and MMP-13 at mRNA level in IL-1" and
LPS-treated synoviocytes under hypoxia" (Ha, et al., 2011). MMP-1 and
MMP-13 are collagenase enzymes involved in metastasis.
When cells are fully nourished, supplied with protective hormones, and properly
illuminated, their ability to communicate should be able to govern their movements, preventing--and possibly reversing--metastatic migration.
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