In the following list you will find some of the most common rare diseases related to Autoimmunity and Acidosis that can help you solving undiagnosed cases.
In addition to classic type 1 (see {222100}) and type 2 (see {125853}) diabetes mellitus, atypical presentations are seen, particularly in populations of African ancestry. Ketosis-prone diabetes, the most common atypical form, is characterized by an acute initial presentation with severe hyperglycemia and ketosis, as seen in classic type 1 diabetes, but after initiation of insulin therapy, prolonged remission is often possible with cessation of insulin therapy and maintenance of appropriate metabolic control. Metabolic studies show a markedly blunted insulin secretory response to glucose, partially reversible with the improvement of blood glucose control. Variable levels of insulin resistance are observed, especially in obese patients. Pancreatic beta-cell autoimmunity is a rare finding, and association with type 1 susceptibility HLA alleles is variable (Sobngwi et al., 2002).
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SOURCES: ORPHANET OMIM MENDELIAN
More info about DIABETES MELLITUS, KETOSIS-PRONE; KPDThe type of diabetes mellitus called IDDM is a disorder of glucose homeostasis that is characterized by susceptibility to ketoacidosis in the absence of insulin therapy. It is a genetically heterogeneous autoimmune disease affecting about 0.3% of Caucasian populations (Todd, 1990). Genetic studies of IDDM have focused on the identification of loci associated with increased susceptibility to this multifactorial phenotype.The classical phenotype of diabetes mellitus is polydipsia, polyphagia, and polyuria which result from hyperglycemia-induced osmotic diuresis and secondary thirst. These derangements result in long-term complications that affect the eyes, kidneys, nerves, and blood vessels.
DIABETES MELLITUS, INSULIN-DEPENDENT; IDDM Is also known as diabetes mellitus, type i|jod|juvenile-onset diabetes
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Immunodysregulation - polyendocrinopathy - enteropathy - X-linked (IPEX) syndrome is a severe congenital systemic autoimmune disease characterized by refractory diarrhea, endocrinopathies, cutaneous involvement, and infections.
IMMUNE DYSREGULATION-POLYENDOCRINOPATHY-ENTEROPATHY-X-LINKED SYNDROME Is also known as enteropathy, autoimmune, with hemolytic anemia and polyendocrinopathy|ipex|autoimmune enteropathy type 1|iddm-secretory diarrhea syndrome|x-linked autoimmunity-allergic dysregulation syndrome|polyendocrinopathy, immune dysfunction, and diarrhea, x-linked|
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SOURCES: MESH OMIM ORPHANET MENDELIAN
More info about IMMUNE DYSREGULATION-POLYENDOCRINOPATHY-ENTEROPATHY-X-LINKED SYNDROMECombined immunodeficiency and megaloblastic anemia with or without hyperhomocysteinemia is an inborn error of folate metabolism due to deficiency of methylenetetrahydrofolate dehydrogenase-1. Manifestations may include hemolytic uremic syndrome, macrocytosis, epilepsy, hearing loss, retinopathy, mild mental retardation, lymphopenia involving all subsets, and low T-cell receptor excision circles. Folinic acid supplementation is an effective treatment (summary by Ramakrishnan et al., 2016).
COMBINED IMMUNODEFICIENCY AND MEGALOBLASTIC ANEMIA WITH OR WITHOUT HYPERHOMOCYSTEINEMIA; CIMAH Is also known as methylenetetrahydrofolate dehydrogenase 1 deficiency
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Congenital thrombotic thrombocytopenic purpura is the hereditary form of thrombotic thrombocytopenic purpura (TTP; see this term) characterized by profound peripheral thrombocytopenia, microangiopathic hemolytic anemia (MAHA) and single or multiple organ failure of variable severity.
CONGENITAL THROMBOTIC THROMBOCYTOPENIC PURPURA Is also known as congenital ttp|microangiopathic hemolytic anemia|thrombotic microangiopathy, familial|microangiopathic hemolytic anemia, congenital|congenital adamts-13 deficiency|upshaw factor, deficiency of|uss|thrombotic thrombocytopenic purpura, familial|familial ttp
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SOURCES: OMIM ORPHANET MENDELIAN
More info about CONGENITAL THROMBOTIC THROMBOCYTOPENIC PURPURANeonatal diabetes mellitus (NDM), defined as insulin-requiring hyperglycemia within the first 3 months of life, is a rare entity, with an estimated incidence of 1 in 400,000 neonates (Shield, 2000). In about half of the neonates, diabetes is transient (see {601410}) and resolves at a median age of 3 months, whereas the rest have a permanent insulin-dependent form of diabetes (PNDM). In a significant number of patients with transient neonatal diabetes mellitus, type II diabetes (see {125853}) appears later in life (Arthur et al., 1997). PNDM is distinct from childhood-onset autoimmune diabetes mellitus type I (IDDM ).Massa et al. (2005) noted that the diagnostic time limit for PNDM has changed over the years, ranging from onset within 30 days of birth to 3 months of age. However, as patients with the clinical phenotype caused by mutation in the KCNJ11 gene have been identified with onset up to 6 months of age, Massa et al. (2005) suggested that the term 'permanent diabetes mellitus of infancy' (PDMI) replace PNDM as a more accurate description, and include those who present up to 6 months of age. The authors suggested that the new acronym be linked to the gene product (e.g., GCK-PDMI, KCNJ11-PDMI) to avoid confusion with patients with early-onset, autoimmune type I diabetes.Colombo et al. (2008) proposed that, because individuals with INS gene mutations may present with diabetes well beyond 6 months of age and cannot be distinguished from patients with type 1 diabetes except for the absence of type 1 diabetes autoantibodies, the term PNDM should be replaced with 'monogenic diabetes of infancy (MDI),' a broad definition including any form of diabetes, permanent or transient, with onset during the first years of life and caused by a single gene defect.
DIABETES MELLITUS, PERMANENT NEONATAL; PNDM Is also known as diabetes mellitus, permanent, of infancy|pdmi
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SOURCES: OMIM ORPHANET MENDELIAN
More info about DIABETES MELLITUS, PERMANENT NEONATAL; PNDMFamilial Mediterranean fever (FMF) is an autoinflammatory disorder characterized by recurrent short episodes of fever and serositis resulting in pain in the abdomen, chest, joints and muscles.
FAMILIAL MEDITERRANEAN FEVER Is also known as benign paroxysmal peritonitis|familial paroxysmal polyserositis|benign recurrent polyserositis|polyserositis, familial paroxysmal|fmf|periodic disease|familial mediterranean fever, autosomal recessive|polyserositis, recurrent
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SOURCES: OMIM ORPHANET MENDELIAN
More info about FAMILIAL MEDITERRANEAN FEVERLysinuric protein intolerance (LPI) is a very rare inherited multisystem condition caused by distrubance in amino acid metabolism.
LYSINURIC PROTEIN INTOLERANCE Is also known as lpi|hyperdibasic aminoaciduria type 2|dibasic amino aciduria ii
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SOURCES: OMIM MESH ORPHANET MENDELIAN
More info about LYSINURIC PROTEIN INTOLERANCEPolyagglutination refers to red blood cells that agglutinate upon exposure to almost all human sera, but not to autologous serum or the sera of newborns. The condition becomes apparent during blood typing and cross-matching in the laboratory (summary by Beck, 2000).Tn polyagglutination syndrome is an acquired clonal disorder characterized by the polyagglutination of red blood cells by naturally occurring anti-Tn antibodies following exposure of the Tn antigen on the surface of erythrocytes. Only a subset of red cells express the antigen, which can also be expressed on platelets and leukocytes. This condition may occur in healthy individuals who manifest asymptomatic anemia, leukopenia, or thrombocytopenia; however, there is also an association between the Tn antigen and leukemia or myelodysplastic disorders. The Tn antigen is an incompletely glycosylated membrane glycoprotein with an exposed N-acetylgalactosamine residue. The Tn antigen results from inactivation of C1GALT1C1, which encodes a chaperone required for the correct functioning of T-synthetase (C1GALT1 ), an enzyme essential for the correct biosynthesis of O-glycans. Absence of active T-synthetase results in exposure of GalNAc residues, with a proportion of these residues becoming sialylated and forming a sialyl-Tn antigen (summary by Vainchenker et al., 1985 and Crew et al., 2008).
TN POLYAGGLUTINATION SYNDROME; TNPS Is also known as galactosyltransferase deficiency
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Symptoms // Phenotype | % cases |
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Anemia | Common - Between 50% and 80% cases |
Diabetes mellitus | Uncommon - Between 30% and 50% cases |
Thrombocytopenia | Uncommon - Between 30% and 50% cases |
Seizures | Uncommon - Between 30% and 50% cases |
Ketoacidosis | Uncommon - Between 30% and 50% cases |
Patients with Autoimmunity and Acidosis. may also develop some of the following symptoms:
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