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Hermansky–Pudlak syndrome patients, families, and caregivers are encouraged to join the NIH Rare Lung Diseases Consortium Contact Registry. This is a privacy protected site that provides up-to-date information for individuals interested in the latest scientific news, trials, and treatments related to rare lung diseases.
HPS is one of the rare lung diseases currently being studied by The Rare Lung Diseases Consortium (RLDC). The RLDC is part of the Rare Diseases Clinical Research Network (RDCRN), an initiative of the Office of Rare Diseases Research (ORDR), of the National Center for Advancing Translational Sciences (NCATS). The RLDC is dedicated to developing new diagnostics and therapeutics for patients with rare lung diseases, through collaboration between the NIH, patient organizations and clinical investigators.
The long-term prognosis of Costeff syndrome is unknown, though it appears to have no effect on life expectancy at least up to the fourth decade of life. However, as mentioned previously, movement problems can often be severe enough to confine individuals to a wheelchair at an early age, and both visual acuity and spasticity tend to worsen over time.
Bloom syndrome has no specific treatment; however, avoiding sun exposure and using sunscreens can help prevent some of the cutaneous changes associated with photo-sensitivity. Efforts to minimize exposure to other known environmental mutagens are also advisable.
There is currently no cure for Costeff syndrome. Treatment is supportive, and thus focuses on management of the symptoms. The resulting visual impairment, spasticity, and movement disorders are treated in the same way as similar cases occurring in the general population.
Treatment for Joubert syndrome is symptomatic and supportive. Infant stimulation and physical, occupational, speech and hearing therapy may benefit some patients. Infants with abnormal breathing patterns should be monitored.
The syndrome is associated with progressive worsening for kidneys, the liver and the eyes and thus require regular monitoring.
Also known as ichthyosis hystrix gravior or porcupine man. This disease is characterised by spiny scales which cover the entire body except the face, genitals, palms and soles. The only known cases were in Edward Lambert (known as the porcupine man) who was exhibited in front of the Royal Society in London in 1731 and three generations of his descendants. No cases of this disease are now known though some experts believe that it may have been a type of epidermolytic hyperkeratosis. From the history of the Lambert family the disease appears to have been an autosomal dominant condition.
In a sample of 19 children, a 1997 study found that 3 died before the age of 3, and 2 never learned to walk. The children had various levels of delayed development with developmental quotients from 60 to 85.
An extremely rare disease of which only a few isolated cases are known.
Because this genetic anomaly is genetically linked, genetic counseling may be the only way to decrease occurrences of Cherubism. The lack of severe symptoms in the parents may be the cause of failure in recognizing the disorder. The optimal time to be tested for mutations is prior to having children. The disorder results from a genetic mutation, and this gene has been found to spontaneously mutate. Therefore, there may be no prevention techniques available.
Because Cherubism changes and improves over time the treatment should be individually determined. Generally moderate cases are watched until they subside or progress into the more severe range. Severe cases may require surgery to eliminate bulk cysts and fibrous growth of the maxilla and mandible. Surgical bone grafting of the cranial facial bones may be successful on some patients. Surgery is preferred for patients ages 5 to 15. Special consideration should be taken when operating on the face to avoid the marginal mandibular branch of the facial nerve as well as the zygomatic branch of the facial nerve. Unintentional damage to these nerves can decrease muscle strength in the face and mandible region. Orthodontic treatment is generally required to avoid permanent dental problems arising from malocclusive bite, misplaced, and unerupted permanent teeth. Orthodontic treatment may be used to erupt permanent teeth that have been unable to descend due to lesions and cysts being in their path of eruption. Patients with orbital issues of diplopia, eye proptosis, and visual loss will require ophthalmologic treatment.
Bloom syndrome (often abbreviated as BS in literature), also known as Bloom-Torre-Machacek syndrome, is a rare autosomal recessive disorder characterized by short stature, predisposition to the development of cancer and genomic instability. BS is caused by mutations in the BLM gene leading to mutated DNA helicase protein formation. Cells from a person with Bloom syndrome exhibit a striking genomic instability that includes excessive crossovers between homologous chromosomes and sister chromatid exchanges (SCEs). The condition was discovered and first described by New York dermatologist Dr. David Bloom in 1954.
There is currently no cure for FD and death occurs in 50% of the affected individuals by age 30. There are only two treatment centers, one at New York University Hospital and one at the Sheba Medical Center in Israel. One is being planned for the San Francisco area.
The survival rate and quality of life have increased since the mid-1980s mostly due to a greater understanding of the most dangerous symptoms. At present, FD patients can be expected to function independently if treatment is begun early and major disabilities avoided.
A major issue has been aspiration pneumonia, where food or regurgitated stomach content would be aspirated into the lungs causing infections. Fundoplications (by preventing regurgitation) and gastrostomy tubes (to provide nonoral nutrition) have reduced the frequency of hospitalization.
Other issues which can be treated include FD crises, scoliosis, and various eye conditions due to limited or no tears.
An FD crisis is the body's loss of control of various autonomic nervous system functions including blood pressure, heart rate, and body temperature. Both short-term and chronic periodic high or low blood pressure have consequences and medication is used to stabilize blood pressure.
Since Usher syndrome results from the loss of a gene, gene therapy that adds the proper protein back ("gene replacement") may alleviate it, provided the added protein becomes functional. Recent studies of mouse models have shown one form of the disease—that associated with a mutation in myosin VIIa—can be alleviated by replacing the mutant gene using a lentivirus. However, some of the mutated genes associated with Usher syndrome encode very large proteins—most notably, the "USH2A" and "GPR98" proteins, which have roughly 6000 amino-acid residues. Gene replacement therapy for such large proteins may be difficult.
Although the FD-causing gene has been identified and it seems to have tissue specific expression, there is no definitive treatment at present.
Treatment of FD remains preventative, symptomatic and supportive. FD does not express itself in a consistent manner. The type and severity of symptoms displayed vary among patients and even at different ages on the same patients. So patients should have specialized individual treatment plans. Medications are used to control vomiting, eye dryness, and blood pressure. There are some commonly needed treatments including:
1. Artificial tears: using eye drops containing artificial tear solutions (methylcellulose)
2. Feeding: Maintenance of adequate nutrition, avoidance of aspiration; thickened formula and different shaped nipples are used for baby.
3. Daily chest physiotherapy (nebulization, bronchodilators, and postural drainage): for Chronic lung disease from recurrent aspiration pneumonia
4. Special drug management of autonomic manifestations such as vomiting: intravenous or rectal diazepam (0.2 mg/kg q3h) and rectal chloral hydrate (30 mg/kg q6h)
5. Protecting the child from injury (coping with decreased taste, temperature and pain perception)
6. Combating orthostatic hypotension: hydration, leg exercise, frequent small meals, a high-salt diet, and drugs such as fludrocortisone.
7. Treatment of orthopedic problems (tibial torsion and spinal curvature)
8. Compensating for labile blood pressures
There is no cure for Familial Dysautonomia.
There is no specific treatment to this disorder. However, several symptoms may be alleviated. For instance, anemia is treated by iron supplements. Some of the movement deficiencies may be corrected with orthopedic intervention. The corneal clouding can be, at least, temporarily corrected by corneal transplantation.
"See the equivalent section in the main mucolipidosis article.
Mucolipidosis type IV is severely under-diagnosed. It is often misdiagnosed as cerebral palsy. In the Ashkenazi Jewish population there are two severe mutations with a higher carrier frequency of 1:90 to 1:100.
alterations in lipid and
carbohydrate metabolism, a triplet-repeat disorder
(myotonic dystrophy) and an idiopathic disorder
The rate of progression varies significantly from person to person.
There is not good data on outcomes; it appears that APBD likely leads to earlier death, but people with APBD can live many years after diagnosis with relatively good quality of life.
Some segmental progeroid syndromes, such as Werner syndrome (WS), Bloom syndrome (BS), Rothmund-Thomson syndromes (RTS) and combined xeroderma pigmentosa-Cockayne syndrome (XP-CS), are associated with an increased risk of developing cancer in the affected individual; two exceptions are Hutchinson–Gilford progeria (HGPS) and Cockayne syndrome.
Usher syndrome, also known as Hallgren syndrome, Usher-Hallgren syndrome, retinitis pigmentosa-dysacusis syndrome, or dystrophia retinae dysacusis syndrome, is an extremely rare genetic disorder caused by a mutation in any one of at least 11 genes resulting in a combination of hearing loss and visual impairment. It is a leading cause of deafblindness and is at present incurable.
Usher syndrome is classed into three subtypes according to onset and severity of symptoms. All three subtypes are caused by mutations in genes involved in the function of the inner ear and retina. These mutations are inherited in an autosomal recessive pattern.
People with Laron syndrome have strikingly low rates of cancer and diabetes, although they appear to be at increased risk of accidental death due to their stature.
Patients with known pseudocholinesterase deficiency may wear a medic-alert bracelet that will notify healthcare workers of increased risk from administration of succinylcholine.
These patients also may notify others in their family who may be at risk for carrying one or more abnormal pseudocholinesterase gene alleles.
Drugs to avoid
Drugs containing Succinylcholine - e.g. Quelicin & Anectine
These drugs are commonly given as muscle relaxants prior to surgery. That means that victims of this deficiency cannot receive certain anesthetics.
A dose that would paralyze the average individual for 3 to 5 mins can paralyze the enzyme-deficient individual for up to 2 hours. The neuro-muscular paralysis can go on for up to 8 hours.
If this condition is recognized by the anesthesiologist early, then there is rarely a problem. Even if the patient is given succinylcholine, he can be kept intubated and sedated until the muscle relaxation resolves.
Drugs containing Mivacurium - e.g. Mivacron
Mivacron is also a muscle relaxant that is used prior to inserting a tube for breathing.
Drugs containing Pilocarpine - e.g. Salagen
Salagen is used to treat dry mouth. As the name suggests, dry mouth is a medical condition that occurs when saliva production goes down. There are lots of different causes of dry mouth including side effect of various drugs.
Drugs containing Butyrylcholine
Use of butyrylcholine is not common. It can be used to treat exposure to nerve agents, pesticides, toxins, etc.
Drugs containing Huperzine A and Donepezil
These drugs are used to slow the progression of Alzheimer's disease.
Drugs containing Propionylcholine and Acetylcholine
Drugs containing Parathion
Parathion is used as an agricultural pesticide. Exposure to pesticides with Parathion should be avoided.
Procaine drugs e.g. Novocaine
This drug is injected before and during various surgical or dental procedures or labor and delivery. Procaine causes loss of feeling in the skin and surrounding tissues.
Because lack of sialic acid appears to be part of the pathology of IBM caused by GNE mutations, clinical trials with sialic acid supplements, and with a precursor of sialic acid, N-Acetylmannosamine, have been conducted, and as of 2016 further trials were planned.
As of 2015 there was no cure for APDB, instead symptoms are managed. There are various approaches to managing neurogenic bladder dysfunction, physical therapy and mobility aids to help with walking, and dementia can be managed with occupational therapy, counseling and drugs.