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Causes of Immune deficiency conditions

List of causes of Immune deficiency conditions

Following is a list of causes or underlying conditions (see also Misdiagnosis of underlying causes of Immune deficiency conditions) that could possibly cause Immune deficiency conditions includes:

Causes of Immune deficiency conditions (Diseases Database):

The follow list shows some of the possible medical causes of Immune deficiency conditions that are listed by the Diseases Database:

Source: Diseases Database

Immune deficiency conditions Causes: Book Excerpts

Immune deficiency conditions as a complication of other conditions:

Other conditions that might have Immune deficiency conditions as a complication may, potentially, be an underlying cause of Immune deficiency conditions. Our database lists the following as having Immune deficiency conditions as a complication of that condition:

Immune deficiency conditions as a symptom:

Conditions listing Immune deficiency conditions as a symptom may also be potential underlying causes of Immune deficiency conditions. Our database lists the following as having Immune deficiency conditions as a symptom of that condition:

Medications or substances causing Immune deficiency conditions:

The following drugs, medications, substances or toxins are some of the possible causes of Immune deficiency conditions as a symptom. This list is incomplete and various other drugs or substances may cause your symptoms. Always advise your doctor of any medications or treatments you are using, including prescription, over-the-counter, supplements, herbal or alternative treatments.

Read more about medication causes of Immune deficiency conditions


Medical news summaries relating to Immune deficiency conditions:

The following medical news items are relevant to causes of Immune deficiency conditions:

Related information on causes of Immune deficiency conditions:

As with all medical conditions, there may be many causal factors. Further relevant information on causes of Immune deficiency conditions may be found in:

Causes of Immune deficiency conditions: Online Medical Books

16 MEDICAL BOOKS ONLINE! Review excerpts from medical books online, free, without registration, for more information about the causes of Immune deficiency conditions.

Severe combined immunodeficiency disease: Causes and incidence
(Professional Guide to Diseases (Eighth Edition))

SCID is usually transmitted as an autosomal recessive trait, although it may be X-linked. In most cases, the genetic defect seems associated with failure of the stem cell to differentiate into T and B lymphocytes. Many molecular defects such as mutation of the kinase ZAP-70 can cause SCID. X-linked SCID is due to a mutation of a subunit of the interleukin (IL)-2, IL-4, and IL-7 receptors. Less commonly, it results from an enzyme deficiency.

SCID affects more males than females. Its estimated incidence is 1 in every 100,000 to 500,000 births. Most untreated patients die from infection within 1 year of birth.

» READ BOOK EXCERPT ONLINE »

Source: Professional Guide to Diseases (Eighth Edition), 2005

Common variable immunodeficiency: Causes
(Professional Guide to Diseases (Eighth Edition))

The cause of common variable immunodeficiency is unknown. Most patients have a normal circulating B-cell count but defective synthesis or release of immunoglobulins. Many also exhibit progressive deterioration of T-cell (cell-mediated) immunity revealed by delayed hypersensitivity skin testing.

» READ BOOK EXCERPT ONLINE »

Source: Professional Guide to Diseases (Eighth Edition), 2005

Acquired immunodeficiency syndrome: Causes and incidence
(Professional Guide to Diseases (Eighth Edition))

AIDS results from infection with HIV, which has two forms: HIV-1 and HIV-2. Both forms of HIV have the same modes of transmission and similar opportunistic infections associated with AIDS, but studies indicate that HIV-2 develops more slowly and presents with milder symptoms than HIV-1.

Transmission occurs through contact with infected blood or body fluids and is associated with identifiable high-risk behaviors. It’s disproportionately represented in:

❑ homosexual and bisexual men

❑ persons who use illicit I.V. drugs

❑ neonates of infected females

❑ recipients of contaminated blood or blood products (incidence dramatically decreased since mid-1985)

❑ heterosexual partners of persons in the former groups.

» READ BOOK EXCERPT ONLINE »

Source: Professional Guide to Diseases (Eighth Edition), 2005

Severe combined immunodeficiency disease: Causes
(Handbook of Diseases)

SCID is usually transmitted as an autosomal recessive trait, although it may be X-linked. In most cases, the genetic defect seems associated with failure of the stem cell to differentiate into T and B lymphocytes.

Many molecular defects, such as mutation of the kinase ZAP-70, can cause SCID. X-linked SCID results from a mutation of a subunit of the interleukin-2 (IL-2), IL-4, and IL-7 receptors. Less commonly, it results from an enzyme deficiency.

» READ BOOK EXCERPT ONLINE »

Source: Handbook of Diseases, 2003

Common variable immunodeficiency: Causes
(Handbook of Diseases)

Exactly what causes common variable immunodeficiency is unknown. Most patients have a normal circulating B-cell count but defective synthesis or release of immunoglobulins. Many also exhibit progressive deterioration of T-cell (cell-mediated) immunity, which is revealed by delayed hypersensitivity skin testing.

» READ BOOK EXCERPT ONLINE »

Source: Handbook of Diseases, 2003

Human immunodeficiency virus infection: Causes
(Handbook of Diseases)

The virus has two major strains: HIV-1, which is closely related to the primate retrovirus called simian immunodeficiency virus, and HIV-2, which is associated with immunodeficiency but less pathogenic that HIV-1, results from infection with HIV, which strikes cells bearing the CD4+ antigen; the latter (normally a receptor for major histocompatibility complex molecules) serves as a receptor for the retrovirus and lets it enter the cell. HIV prefers to infect the CD4+ lymphocyte or macrophage but may also infect other CD4+ antigen-bearing cells of the GI tract, uterine cervical cells, and neuroglial cells. The virus gains access by binding to the CD4+ molecule on the cell surface along with a co-receptor (thought to be the receptor CCR5). After invading a cell, HIV either replicates, which leads to cell death, or becomes latent. HIV infection leads to profound pathology, either directly, through destruction of CD4+ T cells, other immune cells, and neuroglial cells, or indirectly, through the secondary effects of CD4+ T-cell dysfunction and resultant immunosuppression.

The infection process takes three forms:

❑ immunodeficiency (opportunistic infections and unusual cancers)

❑ autoimmunity (lymphoid interstitial pneumonia, arthritis, hypergammaglobulinemia, and production of autoimmune antibodies)

❑ neurologic dysfunction (AIDS dementia complex, HIV encephalopathy, and peripheral neuropathies).

Transmission

HIV is transmitted by direct inoculation during intimate sexual contact, especially associated with the mucosal trauma of receptive rectal intercourse; transfusion of contaminated blood or blood products (a risk diminished by routine testing of all blood products); sharing of contaminated needles; or transplacental or postpartum transmission from an infected mother to the fetus (by cervical or blood contact at delivery and in breast milk).

HIV isn’t transmitted by casual household or social contact. The average time between exposure to the virus and diagnosis is 8 to 10 years, but shorter and longer incubation times have also been recorded. Most people develop antibodies within 6 to 8 weeks of contracting the virus.

» READ BOOK EXCERPT ONLINE »

Source: Handbook of Diseases, 2003


 » Next page: Risk Factors for Immune deficiency conditions

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