Difference between revisions of "Selective IgA deficiency of German Shepherd Dogs"
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| − | + | ==Introduction== | |
| − | == | + | IgA deficiency of German Shepherd dogs is a breed specific lack or reduction of immunoglobulin A caused by a heritable defect in the immune system. Dogs which are affected are unable to mount an appropriate immune response and are more susceptible to infection and allergic conditions. It has been suggested that the deficiency in IgA is linked to other disease syndromes such as deep pyoderma, [[Inflammatory Bowel Disease|inflammatory bowel disease]], anal furunculosis and disseminated [[aspergillosis]]. The condition is poorly understood and the links between IgA deficiency and other conditions has not been fully documented. |
| − | IgA deficiency of German Shepherd dogs is a breed specific lack or reduction of immunoglobulin A caused by a heritable defect in the immune system. Dogs which are affected are unable to mount an appropriate immune response and more susceptible to infection and allergic conditions. It has been suggested that the deficiency in IgA is linked to other disease syndromes such as deep pyoderma, inflammatory bowel disease, anal furunculosis and disseminated aspergillosis. The condition is poorly understood and the links between IgA deficiency and other conditions has not been fully documented. | ||
==Signalment== | ==Signalment== | ||
| − | German Shepherd | + | German Shepherd Dogs |
| − | + | ==Clinical Signs== | |
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Clinical signs depend on the level of deficiency but include a high susceptibility to infection, respiratory, gastrointestinal and dermatological conditions. Lethargy, anorexia and failure to thrive are other signs of the condition. | Clinical signs depend on the level of deficiency but include a high susceptibility to infection, respiratory, gastrointestinal and dermatological conditions. Lethargy, anorexia and failure to thrive are other signs of the condition. | ||
| − | + | ==Laboratory Tests== | |
Serum protein electrophoresis can be used to identify deficiencies in immunoglobulin levels; serum immunoglobulin quantification will identify specific deficiencies. Faecal analysis of IgA can be used to investigate mucosal levels. | Serum protein electrophoresis can be used to identify deficiencies in immunoglobulin levels; serum immunoglobulin quantification will identify specific deficiencies. Faecal analysis of IgA can be used to investigate mucosal levels. | ||
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Treatment involves the use of antibiotics for recurrent infections. | Treatment involves the use of antibiotics for recurrent infections. | ||
| − | γ-Globulin and plasma preparations should | + | '''γ-Globulin and plasma preparations should NOT be given''' because affected patients have high anti-IgA antibodies and may go into anaphylaxis. Affected animals should not be allowed to breed. |
==Prognosis== | ==Prognosis== | ||
The condition cannot be cured but patients with mild defects can be managed. Secondary infections or symptoms should be addressed where possible. | The condition cannot be cured but patients with mild defects can be managed. Secondary infections or symptoms should be addressed where possible. | ||
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| + | {{Learning | ||
| + | |literature search = [http://www.cabdirect.org/search.html?q=title%3A%28IgA+deficiency+of+German+Shepherd+Dogs%29 IgA deficiency of German Shepherd Dogs publications] | ||
| + | }} | ||
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==References== | ==References== | ||
* Blood, D.C. and Studdert, V. P. (1999) '''Saunders Comprehensive Veterinary Dictionary (2nd Edition)''' ''Elsevier Science'' | * Blood, D.C. and Studdert, V. P. (1999) '''Saunders Comprehensive Veterinary Dictionary (2nd Edition)''' ''Elsevier Science'' | ||
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| − | [[Category:Primary Adaptive Immunity Deficiencies]][[Category:Dog]] | + | {{review}} |
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| + | [[Category:Primary Adaptive Immunity Deficiencies]][[Category:Immunological Diseases - Dog]] | ||
| + | [[Category:Expert Review]] | ||
Latest revision as of 18:20, 18 July 2012
Introduction
IgA deficiency of German Shepherd dogs is a breed specific lack or reduction of immunoglobulin A caused by a heritable defect in the immune system. Dogs which are affected are unable to mount an appropriate immune response and are more susceptible to infection and allergic conditions. It has been suggested that the deficiency in IgA is linked to other disease syndromes such as deep pyoderma, inflammatory bowel disease, anal furunculosis and disseminated aspergillosis. The condition is poorly understood and the links between IgA deficiency and other conditions has not been fully documented.
Signalment
German Shepherd Dogs
Clinical Signs
Clinical signs depend on the level of deficiency but include a high susceptibility to infection, respiratory, gastrointestinal and dermatological conditions. Lethargy, anorexia and failure to thrive are other signs of the condition.
Laboratory Tests
Serum protein electrophoresis can be used to identify deficiencies in immunoglobulin levels; serum immunoglobulin quantification will identify specific deficiencies. Faecal analysis of IgA can be used to investigate mucosal levels.
Treatment
Treatment involves the use of antibiotics for recurrent infections.
γ-Globulin and plasma preparations should NOT be given because affected patients have high anti-IgA antibodies and may go into anaphylaxis. Affected animals should not be allowed to breed.
Prognosis
The condition cannot be cured but patients with mild defects can be managed. Secondary infections or symptoms should be addressed where possible.
| Selective IgA deficiency of German Shepherd Dogs Learning Resources | |
|---|---|
 Search for recent publications via CAB Abstract (CABI log in required) |
IgA deficiency of German Shepherd Dogs publications |
References
- Blood, D.C. and Studdert, V. P. (1999) Saunders Comprehensive Veterinary Dictionary (2nd Edition) Elsevier Science
- Merck & Co (2008) The Merck Veterinary Manual (Eighth Edition) Merial
- Nelson, R.W. and Couto, C.G. (2009) Small Animal Internal Medicine (Fourth Edition) Mosby Elsevier
- Tilley, L.P. and Smith, F.W.K.(2004)The 5-minute Veterinary Consult (Third edition) Lippincott, Williams & Wilkins
 |
This article has been peer reviewed but is awaiting expert review. If you would like to help with this, please see more information about expert reviewing. |
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