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Granulomatous disease, chronic, autosomal recessive, cytochrome b-negative(CGD4)

MedGen UID:
383872
Concept ID:
C1856255
Disease or Syndrome
Synonyms: CGD DUE TO DEFICIENCY OF THE ALPHA SUBUNIT OF CYTOCHROME b; CGD, AUTOSOMAL RECESSIVE CYTOCHROME b-NEGATIVE; CYBA DEFICIENCY; GRANULOMATOUS DISEASE, CHRONIC, AUTOSOMAL RECESSIVE, 4
 
Gene (location): CYBA (16q24.2)
 
Monarch Initiative: MONDO:0009308
OMIM®: 233690

Disease characteristics

Excerpted from the GeneReview: Chronic Granulomatous Disease
Chronic granulomatous disease (CGD) is a primary immunodeficiency disorder of phagocytes (neutrophils, monocytes, macrophages, and eosinophils) resulting from impaired killing of bacteria and fungi. CGD is characterized by severe recurrent bacterial and fungal infections and dysregulated inflammatory responses resulting in granuloma formation and other inflammatory disorders such as colitis. Infections typically involve the lung (pneumonia), lymph nodes (lymphadenitis), liver (abscess), bone (osteomyelitis), and skin (abscesses or cellulitis). Granulomas typically involve the genitourinary system (bladder) and gastrointestinal tract (often the pylorus initially, and later the esophagus, jejunum, ileum, cecum, rectum, and perirectal area). Some males with X-linked CGD have McLeod neuroacanthocytosis syndrome as the result of a contiguous gene deletion. While CGD may present anytime from infancy to late adulthood, the vast majority of affected individuals are diagnosed before age five years. Use of antimicrobial prophylaxis and therapy has greatly improved overall survival. [from GeneReviews]
Authors:
Jennifer W Leiding  |  Steven M Holland   view full author information

Additional descriptions

From OMIM
Chronic granulomatous disease is a genetically heterogeneous immunodeficiency disorder resulting from an inability of phagocytes to kill microbes that they have ingested. This impairment in killing is caused by any of several defects in the NADPH oxidase enzyme complex which generates the microbicidal 'respiratory burst.'  http://www.omim.org/entry/233690
From MedlinePlus Genetics
Rarely, people with chronic granulomatous disease develop autoimmune disorders, which occur when the immune system malfunctions and attacks the body's own tissues and organs.

Repeated episodes of infection and inflammation reduce the life expectancy of individuals with chronic granulomatous disease; however, with treatment, most affected individuals live into mid- to late adulthood.

Inflammation can occur in many different areas of the body in people with chronic granulomatous disease. Most commonly, granulomas occur in the gastrointestinal tract and the genitourinary tract. In many cases the intestinal wall is inflamed, causing a form of inflammatory bowel disease that varies in severity but can lead to stomach pain, diarrhea, bloody stool, nausea, and vomiting. Other common areas of inflammation in people with chronic granulomatous disease include the stomach, colon, and rectum, as well as the mouth, throat, and skin. Additionally, granulomas within the gastrointestinal tract can lead to tissue breakdown and pus production (abscesses). Inflammation in the stomach can prevent food from passing through to the intestines (gastric outlet obstruction), leading to an inability to digest food. These digestive problems cause vomiting after eating and weight loss. In the genitourinary tract, inflammation can occur in the kidneys and bladder. Inflammation of the lymph nodes (lymphadenitis) and bone marrow (osteomyelitis), which both produce immune cells, can lead to further impairment of the immune system.

People with chronic granulomatous disease typically have at least one serious bacterial or fungal infection every 3 to 4 years. The lungs are the most frequent area of infection; pneumonia is a common feature of this condition. Individuals with chronic granulomatous disease may develop a type of fungal pneumonia, called mulch pneumonitis, which causes fever and shortness of breath after exposure to decaying organic materials such as mulch, hay, or dead leaves. Exposure to these organic materials and the numerous fungi involved in their decomposition causes people with chronic granulomatous disease to develop fungal infections in their lungs. Other common areas of infection in people with chronic granulomatous disease include the skin, liver, and lymph nodes.

Chronic granulomatous disease is a disorder that causes the immune system to malfunction, resulting in a form of immunodeficiency. Immunodeficiencies are conditions in which the immune system is not able to protect the body from foreign invaders such as bacteria and fungi. Individuals with chronic granulomatous disease may have recurrent bacterial and fungal infections. People with this condition may also have areas of inflammation (granulomas) in various tissues that can result in damage to those tissues. The features of chronic granulomatous disease usually first appear in childhood, although some individuals do not show symptoms until later in life.  https://medlineplus.gov/genetics/condition/chronic-granulomatous-disease

Clinical features

From HPO
Hepatomegaly
MedGen UID:
42428
Concept ID:
C0019209
Finding
Abnormally increased size of the liver.
Liver abscess
MedGen UID:
6124
Concept ID:
C0023885
Disease or Syndrome
A circumscribed area of pus or necrotic debris in the liver.
Cellulitis
MedGen UID:
40174
Concept ID:
C0007642
Disease or Syndrome
A bacterial infection and inflammation of the skin und subcutaneous tissues.
Recurrent pneumonia
MedGen UID:
195802
Concept ID:
C0694550
Disease or Syndrome
An increased susceptibility to pneumonia as manifested by a history of recurrent episodes of pneumonia.
Eczematoid dermatitis
MedGen UID:
3968
Concept ID:
C0013595
Disease or Syndrome
Eczema is a form of dermatitis that is characterized by scaly, pruritic, erythematous lesions located on flexural surfaces.
Recurrent E. coli infections
MedGen UID:
4543
Concept ID:
C0014836
Disease or Syndrome
Increased susceptibility to infections with Escherichia coli, as manifested by recurrent episodes of infection with this agent.
Immunodeficiency
MedGen UID:
7034
Concept ID:
C0021051
Disease or Syndrome
Failure of the immune system to protect the body adequately from infection, due to the absence or insufficiency of some component process or substance.
Lymphadenitis
MedGen UID:
7410
Concept ID:
C0024205
Disease or Syndrome
Inflammation of a lymph node.
Osteomyelitis
MedGen UID:
10497
Concept ID:
C0029443
Disease or Syndrome
Osteomyelitis is an inflammatory process accompanied by bone destruction and caused by an infecting microorganism.
Splenomegaly
MedGen UID:
52469
Concept ID:
C0038002
Finding
Abnormal increased size of the spleen.
Rectal abscess
MedGen UID:
57700
Concept ID:
C0149770
Pathologic Function
A collection of pus in the area of the rectum.
Lymphadenopathy
MedGen UID:
96929
Concept ID:
C0497156
Disease or Syndrome
Enlargment (swelling) of a lymph node.
Granulomatosis
MedGen UID:
488910
Concept ID:
C0521173
Disease or Syndrome
A granulomatous inflammation leading to multiple granuloma formation, which is a specific type of inflammation. A granuloma is a focal compact collection of inflammatory cells, mononuclear cells predominating, usually as a result of the persistence of a non-degradable product and of active cell mediated hypersensitivity.
Recurrent bacterial skin infections
MedGen UID:
322727
Concept ID:
C1835686
Finding
Increased susceptibility to bacterial infections of the skin, as manifested by recurrent episodes of infectious dermatitis.
Absence of bactericidal oxidative respiratory burst in phagocytes
MedGen UID:
375405
Concept ID:
C1844385
Finding
An absence of the phase of elevated metabolic activity, during which oxygen consumption increases, that occurs in neutrophils, monocytes, and macrophages shortly after phagocytosing material. An enhanced uptake of oxygen leads to the production, by an NADH dependent system, of hydrogen peroxide (H2O2), superoxide anions and hydroxyl radicals, which play a part in microbiocidal activity.
Recurrent Staphylococcus aureus infections
MedGen UID:
392925
Concept ID:
C2673462
Finding
Increased susceptibility to Staphylococcus aureus infections, as manifested by recurrent episodes of Staphylococcus aureus infection.
Recurrent Klebsiella infections
MedGen UID:
867386
Concept ID:
C4021751
Finding
Increased susceptibility to Klebsiella infections, as manifested by recurrent episodes of Klebsiella infection.
Recurrent Aspergillus infections
MedGen UID:
867387
Concept ID:
C4021752
Finding
An increased susceptibility to Aspergillus infections, as manifested by a history of recurrent episodes of Aspergillus infections.
Recurrent Burkholderia cepacia infections
MedGen UID:
871196
Concept ID:
C4025673
Finding
Increased susceptibility to infections with Burkholderia cepacia, as manifested by recurrent episodes of infection with this agent.
Recurrent Serratia marcescens infections
MedGen UID:
871204
Concept ID:
C4025682
Finding
Increased susceptibility to Serratia marcescens infections, as manifested by recurrent episodes of Serratia marcescens infection.
Impaired oxidative burst
MedGen UID:
898272
Concept ID:
C4280805
Laboratory or Test Result
In the NBT test, neutrophils change the colorless compound NBT into a compound with a deep blue color. If this test is negative (i.e., no blue color is produced), then this indicates a defect in superoxide-generating NADPH oxidase activity with inability to efficiently kill phagocytized bacteria.
Discoid lupus erythematosus
MedGen UID:
1811126
Concept ID:
C5574816
Disease or Syndrome
Cutaneous lesion that develops as a dry, scaly, red patch that evolves to an indurated and hyperpigmented plaque with adherent scale. Scarring may result in central white patches (loss of pigmentation) and skin atrophy.
Decreased activity of NADPH oxidase
MedGen UID:
336679
Concept ID:
C1844394
Finding
Deficiency or absence of cytochrome b(-245)
MedGen UID:
375407
Concept ID:
C1844390
Finding

Recent clinical studies

Etiology

Aygun D, Koker MY, Nepesov S, Koker N, van Leeuwen K, de Boer M, Kıykım A, Ozsoy S, Cokugras H, Kuijpers T, Roos D, Camcıoglu Y
Int Arch Allergy Immunol 2020;181(7):540-550. Epub 2020 Jun 8 doi: 10.1159/000507366. PMID: 32512560
Wang H, Albadawi H, Siddiquee Z, Stone JM, Panchenko MP, Watkins MT, Stone JR
Cardiovasc Pathol 2014 Jan-Feb;23(1):35-42. Epub 2013 Sep 12 doi: 10.1016/j.carpath.2013.08.003. PMID: 24035466

Diagnosis

Aygun D, Koker MY, Nepesov S, Koker N, van Leeuwen K, de Boer M, Kıykım A, Ozsoy S, Cokugras H, Kuijpers T, Roos D, Camcıoglu Y
Int Arch Allergy Immunol 2020;181(7):540-550. Epub 2020 Jun 8 doi: 10.1159/000507366. PMID: 32512560

Therapy

Sfaihi L, Maaloul I, Fourati H, Stasia MJ, Mnif Z, Hachicha M
Fetal Pediatr Pathol 2013 Jul;32(4):241-5. Epub 2012 Sep 24 doi: 10.3109/15513815.2012.721479. PMID: 23002911

Prognosis

Sfaihi L, Maaloul I, Fourati H, Stasia MJ, Mnif Z, Hachicha M
Fetal Pediatr Pathol 2013 Jul;32(4):241-5. Epub 2012 Sep 24 doi: 10.3109/15513815.2012.721479. PMID: 23002911

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