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Unlike other autoinflammatory disorders, patients with CANDLE do not respond to IL-1 inhibition treatment in order to stop the autoinflammatory response altogether. This suggests that the condition also involves IFN dysregulation.
Treatment for this rare genetic disorder can be physical therapy, there have been antibiotics found to be affective, and surgery has been found to be another solution.
Zaspopathy, also called ZASP-related myofibril myopathy, is a novel autosomal dominant form of progressive muscular dystrophy, first described in 2005.
The disease encompasses multiple forms of both distal and proximal myopathies, and is caused by mutations in the gene referred to as ZASP.
For a prognosis, treatment, and any other information, please consult your doctor.
BFS has been reported in other African cultures, and also in Brazil, Argentina, and Ethiopian Jews. Historic higher reported prevalence among males may be due to more males being present in higher education in African countries. Studies since the 1990s have not verified gender differences. Other studies found a possible association with low socioeconomic status, an association with average or higher intelligence, and a high association with neuroticism. Individuals with BFS have been found to have problems with isolation, poor study habits, and the use of psychostimulants as well as physical changes including in muscle tension and heart rate.
Those affected were born prematurely, and suffered from feeding difficulties and developmental delays. They presented with progressive kidney disease and primary pulmonary hypertension, and ultimately died.
By age 3 about 30% of rats have had cancer, whereas by age 85 about 30% of humans have had cancer. Humans, dogs and rabbits get Alzheimer's disease, but rodents do not. Elderly rodents typically die of cancer or kidney disease, but not of cardiovascular disease. In humans, the relative incidence of cancer increases exponentially with age for most cancers, but levels off or may even decline by age 60–75 (although colon/rectal cancer continues to increase).
People with the so-called segmental progerias are vulnerable to different sets of diseases. Those with Werner's syndrome suffer from osteoporosis, cataracts and cardiovascular disease, but not neurodegeneration or Alzheimer's disease; those with Down syndrome suffer type 2 diabetes and Alzheimer's disease, but not high blood pressure, osteoporosis or cataracts. In Bloom syndrome, those afflicted most often die of cancer.
The most common known cause of the syndrome are mutations in the Proteasome Subunit, Beta Type, 8 (PSMB8) gene that codes for proteasomes that in turn break down other proteins. This occurs specifically when a mutation causes the homozygous recessive form to emerge. The mutated gene results in proteins not being degraded and oxidative proteins building up in cellular tissues, eventually leading to apoptosis, especially in muscle and fat cells.
A study conducted by Brehm et al. in November 2015 discovered additional mutations that can cause CANDLE syndrome, including PSMA3 (encodes α7), PSMB4 (encodes β7), PSMB9 (encodes β1i), and the proteasome maturation protein (POMP), with 8 mutations in total between them. An additional unknown mutation type in the original PSMB8 gene was also noted.
Morakinyo found in 20 persons with BFS an achievement drive that was anxiety-related that led to the use of psychostimulants and consequent sleep deprivation which contributed to cognitive disruption; Omoluabi related BFS to test anxiety.
Multiple epiphyseal dysplasia (MED) encompasses a spectrum of skeletal disorders, most of which are inherited in an autosomal dominant form. However, there is an autosomal recessive form.
Associated genes include COL9A1, COL9A2, COL9A3, COMP, and MATN3.
Types include:
HUPRA syndrome is a rare syndrome that was first described in 2010 in two infants of Palestinian origin from the same village in the Jerusalem area. One of the two infants' parents were related. It was later described in a third infant from the same village, whose parents were not related.
The acronym stands for Hyperuricemia, Pulmonary hypertension, Renal failure in infancy and Alkalosis. And it's due to mutations in the mitochondrial SARS enzyme. It's an autosomal recessive disease, that has a prevalence of less than one in a million. One in fifteen of the village's inhabitants were found to carry the genetic mutation.
Aging (senescence) increases vulnerability to age-associated diseases, whereas genetics determines vulnerability or resistance between species and individuals within species. Some age-related changes (like graying hair) are said to be unrelated to an increase in mortality. But some biogerontologists believe that the same underlying changes that cause graying hair also increase mortality in other organ systems and that understanding the incidence of age-associated disease will advance knowledge of the biology of senescence just as knowledge of childhood diseases advanced knowledge of human development.
Strategies for Engineered Negligible Senescence (SENS) is a research strategy which aims to repair a few "root causes" for age-related illness and degeneration, as well as develop medical procedures to periodically repair all such damage in the human body, thereby maintaining a youth-like state indefinitely. So far, the SENS programme has identified seven types of aging-related damage, and feasible solutions have been outlined for each. However, critics argue that the SENS agenda is optimistic at best, and that the aging process is too complex and little-understood for SENS to be scientific or implementable in the foreseeable future.
In the dominant form, mutations in five genes are causative: COMP (chromosome 19), COL9A1 (chromosome 6), COL9A2 (chromosome 1), COL9A3 (chromosome 20), and MATN3 (chromosome 2). However, in approximately 10%-20% of samples analyzed, a mutation cannot be identified in any of the five genes above, suggesting that mutations in other as-yet unidentified genes are involved in the pathogenesis of dominant MED.
The COMP gene is mutated in 70% of the molecularly confirmed MED patients. Mutations are in the exons encoding the type III repeats (exons 8-14) and C-terminal domain (exons 15-19). The most common mutations in COL9A1 are in exons 8-10, in COL9A2 in exons 2-4, and in COL9A3 in exons 2-4. Altogether, those mutations cover 10% of the patients. The other 20% of affected people have mutations in MATN3 gene, all found within exon 2. The following testing regime has been recommended by the European Skeletal Dysplasia Network:
- Level 1: COMP (exons 10-15) and MATN3 (exon 2)
- Level 2: COMP (exons 8 & 9 and 16-19)
- Level 3: COL9A1 (exon 8), COL9A2 and COL9A3 (exon 3)
All those genes are involved in the production of the extracellular matrix (ECM). The role of COMP gene remains unclear. It is a noncollagenous protein of the ECM. Mutations in this gene can cause the pseudoachondroplasia (PSACH). It should play a role in the structural integrity of cartilage by its interaction with other extracellular matrix proteins and can be part of the interaction of the chondrocytes with the matrix. It is a potent suppressor of apoptosis in chondrocytes and can suppress
apoptosis. Another one of it roles is maintaining a vascular smooth muscle cells contractile under physiological or pathological stimuli.
Since 2003, the European Skeletal Dysplasia Network has used an online system to diagnose cases referred to the network before mutation analysis to study the mutations causing PSACH or MED.
COL9A1, COL9A2, COL9A3 are genes coding for collagen type IX, that is a component of hyaline cartilage. MATN3 protein may play a role in the formation of the extracellular filamentous networks and in the development and homeostasis of cartilage and bone.
In the recessive form, the DTDST gene, also known as SLC26A2, is mutated in almost 90% of the patients, causing diastrophic dysplasia. It is a sulfate transporter, transmembrane glycoprotein implicated in several chondrodysplasias. It is important for sulfation of proteoglycans and matrix organization.
The ZASP gene is located at chromosome 10, and encodes also-called Z-disk-associated protein.
Mutation in this protein causes disintegration of the Z-disk of contractile elements (myofibrils) in muscle cells.
Mutations of several other Z-disk related proteins, such as desmin, alfa-B-crystallin and myotilin can cause disorders similar to zaspopathy.
Recent findings in genetic research have suggested that a large number of genetic disorders, both genetic syndromes and genetic diseases, that were not previously identified in the medical literature as related, may be, in fact, highly related in the genetypical root cause of the widely varying, phenotypically-observed disorders. Such diseases are becoming known as ciliopathies. Known ciliopathies include primary ciliary dyskinesia, Bardet–Biedl syndrome, polycystic kidney and liver disease, nephronophthisis, Alström syndrome, Meckel–Gruber syndrome and some forms of retinal degeneration.
Senior–Løken syndrome is a congenital eye disorder, first characterized in 1961. It is a rare, ciliopathic, autosomal recessive disorder characterized by nephronophthisis and progressive eye disease.
The National Institute of Health Office and Rare Disease Research characterizes PCDH19 gene-related epilepsy as a rare disorder. Rare diseases, by definition, are diseases that affect fewer than 200,000 people in the United States. Since the mutation associated with PCDH19 gene-related epilepsy was only recently identified in 2008, the true incidence of the disease is generally unknown.
Although formal epidemiologic data is not available, results from diagnostic screening indicates that approximately 1 out of 10 girls who have seizure onset before five years of age may have PCDH19 gene mutations. Additionally, PCDH19 screening of several large cohorts of females with early onset febrile-related epilepsy has resulted in a rate of approximately 10% of mutation-positive individuals.
Cystic fibrosis-related diabetes (CFRD) is diabetes specifically caused by cystic fibrosis, a genetic condition. Cystic fibrosis related diabetes mellitus (CFRD) develops with age, and the median age at diagnosis is 21 years.
Recent studies have found that the life expectancy of males with XLT is not significantly affected. Individuals with XLT typically experience milder symptoms than those with other "WAS"-related disorders. For this reason, the long term prognosis for individuals with XLT is generally positive as long as symptoms are managed appropriately. Enhanced treatment methods in the past two decades have significantly improved the prognosis as well.
Spondylocostal dysostosis is a rare, heritable axial skeleton growth disorder. It is characterized by widespread and sometimes severe malformations of the vertebral column and ribs, shortened thorax, and moderate to severe scoliosis and kyphosis. Individuals with Jarcho-Levin typically appear to have a short trunk and neck, with arms appearing relatively long in comparison, and a slightly protuberant abdomen. Severely affected individuals may have life-threatening pulmonary complications due to deformities of the thorax. The syndrome was first described by Saul Jarcho and Paul M. Levin at Johns Hopkins University in 1938.
Till date about 18 cases of Spondylocostal dysostosis have been reported in literature.
Sick building syndrome can also occur due to factors of the home. Laminated flooring can cause more exposure to chemicals and more resulting SBS symptoms compared to stone, tile, and cement flooring. Recent redecorating and new furnishings within the last year were also found to be associated with increased symptoms, along with dampness and related factors, having pets, and the presence of cockroaches. The presence of mosquitoes was also a factor related to more symptoms, though it is unclear whether it was due to the presence of mosquitoes or the use of repellents.
Myostatin-related muscle hypertrophy (or myotonic hypertrophy) is a rare genetic condition characterized by reduced body fat and increased skeletal muscle size. Affected individuals have up to twice the usual amount of muscle mass in their bodies. They also tend to have increased muscle strength. Myostatin-related muscle hypertrophy is not known to cause medical problems, and affected individuals are intellectually normal. The prevalence of this condition is unknown.
Mutations in the "MSTN" gene cause myostatin-related muscle hypertrophy. The "MSTN" gene provides instructions for making a protein called myostatin, which is active in muscles used for movement (skeletal muscles) both before and after birth. This protein normally restrains muscle growth, ensuring that muscles do not grow too large. Mutations that reduce the production of functional myostatin lead to an overgrowth of muscle tissue. Myostatin-related muscle hypertrophy has a pattern of inheritance known as incomplete autosomal dominance. People with a mutation in both copies of the gene in each cell (homozygotes) have significantly increased muscle mass and strength. People with a mutation in one copy of the "MSTN" gene in each cell (heterozygotes) also have increased muscle bulk, but to a lesser degree.
Researchers at Guangzhou Institutes of Biomedicine and Health in China have edited the genome of beagles to create double the amount of muscle.
Epilepsy-intellectual disability in females also known as PCDH19 gene-related epilepsy or epileptic encephalopathy, early infantile, 9 (EIEE9), is a rare type of epilepsy that affects predominately females and is characterized by clusters of brief seizures, which start in infancy or early childhood, and is occasionally accompanied by varying degrees of cognitive impairment. The striking pattern of onset seizures at a young age, genetic testing and laboratory results, potential developmental delays or developmental regression and associated disorders, eases diagnosis.
The National Institutes of Health Office and Rare Disease Research characterizes PCDH19 gene-related epilepsy as a rare disorder. Although formal epidemiologic data is not available, results from diagnostic screenings indicate that approximately 1 out of 10 girls who have seizure onset before five years of age may have PCDH19 mutations.
Macrocephaly may be pathological, but many people with abnormally large heads or large skulls are healthy. Pathologic macrocephaly may be due to megalencephaly (enlarged brain), hydrocephalus (water on the brain), cranial hyperostosis (bone overgrowth), and other conditions. Pathologic macrocephaly is called "syndromic" when it is associated with any other noteworthy condition, and "nonsyndromic" otherwise. Pathologic macrocephaly can be caused by congenital anatomic abnormalities, genetic conditions, or by environmental events.
Many genetic conditions are associated with macrocephaly, including familial macrocephaly related to the holgate gene, autism, "PTEN" mutations such as Cowden disease, neurofibromatosis type 1, and tuberous sclerosis; overgrowth syndromes such as Sotos syndrome (cerebral gigantism), Weaver syndrome, Simpson-Golabi-Behmel syndrome (bulldog syndrome), and macrocephaly-capillary malformation (M-CMTC) syndrome; neurocardiofacial-cutaneous syndromes such as Noonan syndrome, Costello syndrome, Gorlin Syndrome, (also known as Basal Cell Nevus Syndrome) and cardiofaciocutaneous syndrome; Fragile X syndrome; leukodystrophies (brain white matter degeneration) such as Alexander disease, Canavan disease, and megalencephalic leukoencephalopathy with subcortical cysts; and glutaric aciduria type 1 and D-2-hydroxyglutaric aciduria.
At one end of the genetic spectrum, duplications of chromosomes have been found to be related to autism and macrocephaly; at the other end, deletions of chromosomes have been found to be related to schizophrenia and microcephaly.
Environmental events associated with macrocephaly include infection, neonatal intraventricular hemorrhage (bleeding within the infant brain), subdural hematoma (bleeding beneath the outer lining of the brain), subdural effusion (collection of fluid beneath the outer lining of the brain), and arachnoid cysts (cysts on the brain surface).