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MAGICAL MEDICINE: HOW TO MAKE AN ILLNESS ... - Invest in ME

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5<br />

MYALGIC ENCEPHALOMYELITIS/CHRONIC FATIGUE SYNDRO<strong>ME</strong><br />

A review of biomedical cl<strong>in</strong>ical and research literature 1955-2006<br />

(Substantial extracts from Prof. Malcolm Hooper’s submission to UK Parliamentary Inquiry, 2005)<br />

<strong>ME</strong>/CFS Society of Western Australia<br />

Facts:<br />

Myalgic Encephalomyelitis (<strong>ME</strong>) has been classified as a disorder of the central nervous system s<strong>in</strong>ce<br />

1969 – (World Health Organization International Classification of Diseases) WHO ICD 10 G 93.3<br />

The renam<strong>in</strong>g of <strong>ME</strong> to Chronic Fatigue Syndrome (CFS) <strong>in</strong> 1988, giv<strong>in</strong>g misplaced emphasis to “fatigue”,<br />

trivializes the substantial disability of the disease 1 – which can extend to the wheelchair or bed-bound<br />

requir<strong>in</strong>g 24 hour care<br />

<strong>ME</strong>/CFS is characterized by neurological, immunological, gastro<strong>in</strong>test<strong>in</strong>al, cardiovascular and<br />

musculoskeletal features – severe forms can present with paresis, seizures, <strong>in</strong>tractable savage headaches and<br />

life threaten<strong>in</strong>g complications<br />

Amorphous def<strong>in</strong>itions and diagnostic symptom criteria have contam<strong>in</strong>ated study cohorts and corrupted<br />

research data 2-10 – researchers and cl<strong>in</strong>icians participat<strong>in</strong>g <strong>in</strong> the 2005 Adelaide <strong>ME</strong>/CFS Research Forum<br />

unanimously endorsed the adoption of the acclaimed 2003 Canadian Cl<strong>in</strong>ical Criteria<br />

<strong>ME</strong>/CFS may <strong>in</strong>clude cl<strong>in</strong>ical syndromes l<strong>in</strong>ked to <strong>in</strong>fectious agents and toxic exposures 11-15 – <strong>in</strong>cl. Epste<strong>in</strong><br />

Barr virus, ciguatox<strong>in</strong> 13, organophosphates and organochlor<strong>in</strong>es 12,14<br />

Prevalence estimates are 235-700 per 100,000 affect<strong>in</strong>g all socio-economic and ethnic groups, and men<br />

and women of all ages 16-21 – more prevalent than AIDS, lung or breast cancer 19<br />

Disease impact 22-26 – quality of life equivalent to late stage AIDS 17,27, chronic obstructive lung 25,28 and heart<br />

disease and end stage renal failure 29<br />

Some experience recovery (average 7yrs17), some partially recover and a significant proportion (25% 20)<br />

are permanently <strong>in</strong>capacitated 17-20,22-23<br />

Biomedical Abnormalities:<br />

Immune System, <strong>in</strong>clud<strong>in</strong>g:<br />

• chronic immune activation and dysfunction 24,30-32 evidence of persistent viral <strong>in</strong>fection 33 (enteroviral 34-41,<br />

EBV 42-47 and HHV-6/7 43,45-50), activation of the 2-5A anti-viral pathway 47,51-56, low natural killer cells and<br />

cytotoxicity 33,47,54,57-63, T-cell abnormalities 59,61-62,64-66, pro-<strong>in</strong>flammatory cytok<strong>in</strong>es and <strong>in</strong>flammation 66-72,<br />

<strong>in</strong>creased cell apoptosis (death) 73-74 and allergy 54,75-77<br />

• abnormal immuno-genetic expression 61,66,78-81<br />

Bra<strong>in</strong>/Central Nervous System, <strong>in</strong>clud<strong>in</strong>g:<br />

• objective measurement of dysfunction 54,82-86 –deficits <strong>in</strong> work<strong>in</strong>g memory, concentration, <strong>in</strong>formation<br />

process<strong>in</strong>g 87-95, autonomic function 96-98 (<strong>in</strong>cl. neurally mediated hypotension and orthostatic <strong>in</strong>tolerance)<br />

• abnormalities –regional bra<strong>in</strong> hypoperfusion 99-106 by SPECT, white and gray matter abnormalities 106-112 by<br />

MRI, <strong>in</strong>flammation 66,106-107,113-114, hypomyel<strong>in</strong>ation 83,113-114, neurotransmitter 115-116,119 and metabolic dysfunction<br />

117-121 by MRS/PET and abnormal sp<strong>in</strong>al fluid prote<strong>in</strong>s 122-123<br />

• abnormal neuro-genetic expression 114<br />

Endocr<strong>in</strong>e System: impaired activation of the hypothalamic-pituitary-adrenal (HPA) axis 124-131 and abnormalities<br />

of neuroendocr<strong>in</strong>e-genetic expression 78<br />

Heart and Circulatory System: hypoperfusion 54,83,99-106,132-136, impaired vascular control 27,134-137 (<strong>in</strong>cl. abnormal<br />

response to acetylchol<strong>in</strong>e), low blood volume 134-135, vasculitis 136-137 (<strong>in</strong>cl. raised oxidative stress, <strong>in</strong>flammation<br />

and arterial stiffness 138-139) and heart dysfunction 132,135,140-141<br />

Muscular: structural and biochemical abnormalities 38,68,89,142-148 <strong>in</strong>clud<strong>in</strong>g impaired muscle recovery after exercise<br />

149-154 (exercise responsive gene expression abnormal, worsen<strong>in</strong>g after exercise 155)<br />

Others: gastro<strong>in</strong>test<strong>in</strong>al dysfunction 156-158 <strong>in</strong>clud<strong>in</strong>g food <strong>in</strong>tolerance 159-160 and IBS 156,161, mitochondrial<br />

dysfunction 38,82,125,162-163 <strong>in</strong>clud<strong>in</strong>g abnormal mitochondrial associated gene expression 164 and ion transport<br />

channelopathy 155,165-166

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