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Autoimmune neutropenia (AIN) is a form of neutropenia which is most common in infants and young children [1] where the body identifies the neutrophils as enemies and makes antibodies to destroy them. Primary autoimmune neutropenia, another name for autoimmune neutropenia, is an autoimmune disease first reported in 1975 that primarily occurs in ...
Neutropenia is an abnormally low concentration of neutrophils (a type of white blood cell) in the blood. [4] Neutrophils make up the majority of circulating white blood cells and serve as the primary defense against infections by destroying bacteria, bacterial fragments and immunoglobulin-bound viruses in the blood. [5]
Kostmann disease is a form of severe congenital neutropenia (SCN), specifically type 3 (SCN3), [15] which is a rare autosomal recessive condition in which severe chronic neutropenia is detected soon after birth. [7] [16] The disorder was discovered in 1956 in an extended family in northern Sweden by Rolf Kostmann, a Swedish doctor. [17] [18]
Cyclic neutropenia (CyN), like severe congenital neutropenia (SCN), is a rare disorder. It is considered that in the general population, CyN has a frequency of one in one million. [ 1 ] It is the result of autosomal dominant mutation in ELANE gene located on the short arm (p) of chromosome 19 (19p13.3), the gene encoding neutrophil elastase ...
Chronic HIV-associated lung disease including bronchiectasis Lymphoid interstitial pneumonitis (LIP) Unexplained anaemia (<80g/L), and or neutropenia (<1000/μL) and or thrombocytopenia (<50 000/μL) for more than one month
Infusions of immune globulin can reduce the frequency of bacterial infections, and G-CSF or GM-CSF therapy improves blood neutrophil counts. [5]As WHIM syndrome is a molecular disease arising from gain-of-function mutations in CXCR4, preclinical studies identified plerixafor, a specific CXCR4 antagonist, as a potential mechanism-based therapeutic for the disease. [6]
In 88% to 100% of patients with SDS, neutropenia—generally defined as a neutrophil count of less than 1,500 109/L—is the most prevalent sign of bone marrow failure. About two thirds of patients have intermittent neutropenia, while the remaining third have chronic neutropenia. Neutrophil counts can be anywhere from normal to very low. [17]
Neutropenia, a subtype of leukopenia, refers to a decrease in the number of circulating neutrophil granulocytes, the most abundant white blood cells. The terms leukopenia and neutropenia may occasionally be used interchangeably, as the neutrophil count is the most important indicator of infection risk. Agranulocytosis is an acute form of ...
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