Wednesday, October 5, 2022

Is Hiv An Autoimmune Disease

Use Of Immunosuppressant Treatment During Hiv Infection

Medications Now Available That Can Prevent AIDS, Turn Disease Into Treatable Condition

Immunosuppressant treatments used in our case series are classical, according to reference treatments in non-HIV population, and to literature in HIV-infected subjects, as we have already detailed for each AD.

For a few patients, HAART alone is enough autoimmune manifestations are directly HIV-related and improve with restauration of immunity, as during GBS at time of seroconversion or for ITP, at any stage of the infection. The most frequent and the most effective seem to be immunosuppressant treatments, in association with HAART. These treatments are well tolerated in our case series, with a few of complications .

Our work has some limits and potential bias. First, it is a retrospective, monocentric study, led from informatical coding in a hospital information system. Because the diagnoses and data have all been checked against patient medical record with a standardized form, we believe our specificity for case selection is good. On the other hand, our screening methodology may have underestimated the prevalence of ADs due to unknown sensitivity of our extraction algorithms and potential loss of follow-up. As person-time of observation was not available, we could not estimate the incidence rates. Then, we did not compare AD cases with non-AD cases in our HIV-infected patients database.

Why Does The Immune System Attack The Body

Doctors dont know exactly what causes the immune-system misfire. Yet some people are more likely to get an autoimmune disease than others.

According to a 2014 study, women get autoimmune diseases at a rate of about 2 to 1 compared to men 6.4 percent of women vs. 2.7 percent of men. Often the disease starts during a womans childbearing years .

Some autoimmune diseases are more common in certain ethnic groups. For example, lupus affects more African-American and Hispanic people than Caucasians.

Certain autoimmune diseases, like multiple sclerosis and lupus, run in families. Not every family member will necessarily have the same disease, but they inherit a susceptibility to an autoimmune condition.

Because the incidence of autoimmune diseases is rising, researchers suspect environmental factors like infections and exposure to chemicals or solvents might also be involved.

A Western diet is another suspected risk factor for developing an autoimmune disease. Eating high-fat, high-sugar, and highly processed foods is thought to be linked to inflammation, which might set off an immune response. However, this hasnt been proven.

A 2015 study focused on another theory called the hygiene hypothesis. Because of vaccines and antiseptics, children today arent exposed to as many germs as they were in the past. The lack of exposure could make their immune system prone to overreact to harmless substances.

Etiology Of Liver Disease In Hiv Infection

Liver disease in the HIV-infected patient is due to a complex mix of both unique and common etiologies. . Data from the Data Collection on Adverse Events of Anti-HIV Drugs clearly demonstrate the central role of chronic infection with hepatitis B and hepatitis C. Liver related death occurred 3.73 times as frequently among those with hepatitis B vs. without hepatitis B and 6.66 times more frequently in those with HCV than those who were not HCV infected. However, relative death rates were also highly associated with lower CD4 counts as well, demonstrating the linkage between extrinsic etiologies and host compromise. Viral infections like HEV that primarily cause acute and often subclinical infection among immunocompetent patients can become persistent in those with HIV infection and lead to progressive liver disease. Hepatitis D is increasingly recognized in HIV populations in Europe, but may also be more prevalent in the U.S. than previously suspected. Indeed, data discussed at this meeting suggests that 2% of HBV/HIV coinfected patients also have circulating HDV RNA detectable in serum. The clinical implications of this are not fully understood at this point.

Etiology of liver disease in the HIV-infected patient

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About This Research Topic

Combination antiretroviral therapy has decreased HIV infection-caused mortality by 61% since its peak in 2004, and increased the average life expectancy of the people living with HIV . Despite the success of cART in suppressing viral replication, transforming HIV infection from a deadly disease …

Keywords:Chronic HIV, systemic autoimmune diseases, molecular therapeutics, cART, Combination antiretroviral therapy, HIV

Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

Malignancies Associated With Aids

HIV Particles Do Not Cause AIDS, Our Own Immune Cells Do

As previously mentioned, an autoimmune response is mounted against self-antigens. But, it is impossible to completely eliminate these intrinsic molecules with antigenic properties from our body. Therefore, autoimmune diseases cause a chronic tissue damage because of the repeated attempts to get rid of the self-antigens.

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How Can I Manage My Life Now That I Have An Autoimmune Disease

Although most autoimmune diseases don’t go away, you can treat your symptoms and learn to manage your disease, so you can enjoy life! Women with autoimmune diseases lead full, active lives. Your life goals should not have to change. It is important, though, to see a doctor who specializes in these types of diseases, follow your treatment plan, and adopt a healthy lifestyle.

Barrier To Autoimmune Disease May Open Door To Hiv

Date:
Rockefeller University Press
Summary:
Researchers have discovered that a process that protects the body from autoimmune disease also prevents the immune system from generating antibodies that can neutralize the HIV-1 virus. The findings might be considered by scientists trying to develop a vaccine that can stimulate the production of these neutralizing antibodies.

Researchers from the University of Colorado School of Medicine have discovered that a process that protects the body from autoimmune disease also prevents the immune system from generating antibodies that can neutralize the HIV-1 virus. The findings, which will be published July 11 in The Journal of Experimental Medicine, might be considered by scientists trying to develop a vaccine that can stimulate the production of these neutralizing antibodies.

Some patients infected with HIV-1, the virus that causes AIDS, develop “broadly neutralizing antibodies” that can protect against a wide variety of HIV-1 strains by recognizing a protein on the surface of the virus called Env. But the patients only develop these antibodies after many years of infection. Researchers are keen to discover how such bnAbs can be induced quickly in response to vaccinations against HIV-1.

“We think this may reflect an example of molecular mimicry where HIV-1 Env has evolved to mimic an epitope on histone H2A as a mechanism of immune camouflage,” says Torres.

Story Source:

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What Are Common Symptoms Of Autoimmune Disease

Between taking care of yourself and family members and trying to manage a social life and career, its common for women to feel tired and achy. But are these symptoms of a stressful life, or could they be tied to an underlying condition like autoimmune disease?

Ana-Maria Orbai, M.D., M.H.S., is a rheumatologist at the Johns Hopkins Arthritis Center. Rheumatologists specialize in diagnosing and treating musculoskeletal diseases and autoimmune conditions . Orbai talks about how to recognize common autoimmune disease symptoms and when you should see a doctor.

Hiv Treatment In Patients With Liver Disease

HIV and AIDS

Short-term and long-term virologic success rates of cART in HIV/HCV coinfection are limited by an increased risk of hepatotoxicity. With regard to drug choice some of the more historically used drugs such as zidovudine, stavudine and didanosine have been associated with increased mitochondrial damage and increased risk for causing lactic acidosis and fatty liver disease. Also some boosted protease inhibitors have been hypothesized to potentially induce insulin resistance and/or dyslipidemia and to contribute to development of non-alcoholic fatty liver disease. Also idiosyncratic liver failure has been described after nevirapine treatment and also inhibition of liver metabolism enzymes by ritonavir and cobicistat need to be taken into consideration . As a consequence patients with dyslipidemia and/or insulin resistance should be started on, or switched to cART regimens, which are considered to be metabolically neutral and drugs with a well-known increased risk for hepatoxicity should be avoided.

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Autoimmune Hepatitis In Acquired Immune Deficiency Syndrome : A Case Report And Review Of Literature

Hrishikesh Samant

1Department of Internal Medicine, Louisiana State University Health Sciences Center, Shreveport, LA, USA

2Department of Gastroenterology and Hepatology, Louisiana State University Health Sciences Center, Shreveport, LA, USA

3Department of Pathology, Louisiana State University Health Sciences Center, Shreveport, LA, USA

Abstract

The common causes of abnormal liver chemistries in human immunodeficiency virus infected patients are multifactorial. Diagnosis of autoimmune hepatitis in HIV infected patients is intriguing but data is scarce. Unmasking of AIH during immune reconstitution in HIV patients after starting antiretroviral therapy is reported but not with advanced acquired immunodeficiency syndrome . Here we present a fascinating case of 32-year-old African-American man with advanced AIDS who presented with elevated transaminases. He was diagnosed with AIH before starting antiretroviral therapy and successfully treated with prednisolone and azathioprine with antiretroviral therapy despite very low CD4 count.

1. Introduction

2. Case Presentation

Liver biopsy. The portal triad demonstrates plasma cells and eosinophils consistent with autoimmune hepatitis. H& E stain, high power .

3. Discussion

Issues In Hiv Treatment

Depression, bipolar disease and substance abuse are all more common in those with HIV than the general population. These issues conspire synergistically to limit availability of care and to fully utilize the potential for disease cure and mitigation. HIV-infected patients with severe psychiatric disorders are less likely to access care for HIV and less likely to be treated for HCV and HBV. Limitation in the ability to manage these issues leads to poor control of HIV or even complete lack of antiretroviral therapies. As noted above, only a small fraction of persons living with HIV infection have achieved effective viral suppression despite the availability of highly effective regimens since 1996. Much of this failure can be laid at the feet of societal pressure to not focus resources on psychiatric care models, even when otherwise costly medications are provided through Ryan White and other governmental programs. Care teams that include psychological, psychiatric and social expertise appear to overcome many of these barriers, thus increasing adherence with HIV regimens.

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Outline Of The Workup Of Cervical Lymphadenopathy

is essential to formulate a differential diagnosis. Cervical lymphadenopathy is not uncommon, especially in children and therefore differential diagnoses are broad . The causes of cervical lymphadenopathy can be infections, autoimmune disorders, or malignancy.What test would you do first and why?First and foremost, thing to do when a patient comes with cervical lymphadenopathy is to get a detailed history. The history should include questions such as the onset of lump pain

What Are Some Things I Can Do To Feel Better

24 symptoms of HIV and how the disease affects the human body.

If you are living with an autoimmune disease, there are things you can do each day to feel better:

You have some power to lessen your pain! Try using imagery for 15 minutes, two or three times each day.

  • Put on your favorite calming music.
  • Lie back on your favorite chair or sofa. Or if you are at work, sit back and relax in your chair.
  • Close your eyes.
  • Imagine your pain or discomfort.
  • Imagine something that confronts this pain and watch it “destroy” the pain.
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    Epidemiology/natural History/assessment Of Liver Disease In Hiv

    HIV infection remains a significant health problem within the U.S. and around the globe. In countries where combination antiretroviral therapy is widely available, those with HIV infection demonstrate a non-progressive chronic viral infection state. There is a stable incidence of approximately 50,000 new HIV infections/year in the U.S. and the prevalence of those living with HIV/AIDS is thought to now approach 1.2 million persons. The rate of new diagnoses is not evenly distributed in the general population and ranges from 1.9 cases/100,000 persons for white women to 103.9 cases/100,000 for African-American men. The largest number of new infections is among men who have sex with men . In terms of new HIV infections, cities in the Southern tier of the U.S. predominate, accounting for 11 of the top 15 metropolitan areas.

    Percentage of HIV-infected persons engaged in selected stages of the continuum of HIV care in the United States

    What Are The Parts Of The Immune System

    The immune system has many different parts, including:

    • Your skin, which can help prevent germs from getting into the body
    • Mucous membranes, which are the moist, inner linings of some organs and body cavities. They make mucus and other substances which can trap and fight germs.
    • White blood cells, which fight germs
    • Organs and tissues of the lymph system, such as the thymus, spleen, tonsils, lymph nodes, lymph vessels, and bone marrow. They produce, store, and carry white blood cells.

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    Neurologic Disorders Associated With Hiv Infection

    Neurologic complications are present at all stages of HIV infection. They include HIV neurological diseases, treatment-related neurological diseases, and neoplasic or opportunistic neurological disorders. As in our study, GBS usually occurs either as an acute neurologic manifestation in a primary HIV infection, at the seroconversion time, or within the first 3 to 6 months after the initiation of antiretroviral therapy. It can also occur later during HIV infection but generally in the presence of high CD4+ T lymphocytes counts.

    The mechanisms proposed include a direct action of HIV-1 on the nerves, by neurotropic strains, or autoimmune mechanisms, with the formation of antibodies against myelin secondary to the immune dysregulation by HIV infection.

    The outcome of GBS in HIV-infected subjects is often favorable with complete remission or mild aftereffects , although fast clinical deterioration, as respiratory failure, or deaths have been reported. One study showed similar outcomes in HIV-positive and HIV-negative patients with GBS.

    Among treatments, plasmapheresis or immunoglobulins can be used, but the later are preferred because of their easier use.

    MG is rare during HIV infection. There are a few case reports in the literature but a causal relationship has not been shown. Pyridostigmine is the most common treatment but use of steroids, azathioprine, cyclosporine, immunoglobulins, and rituximab has been reported.

    Vitamin D Influence On Immune Response

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    Vitamin D is known as an immune regulator that assists in the adaptive and innate immune response. A deficiency in Vitamin D, from hereditary or environmental influence, can lead to a more inefficient and weaker immune response and seen as a contributing factor to the development of autoimmune diseases. With Vitamin D present, vitamin D response elements are encoded and expressed via pattern recognition receptors responses and the genes associated with those responses. The specific DNA target sequence expressed is known as 1,25-2D3. The expression of 1,25-2D3 can be induced byMacrophages, Dendritic cells, T-cells, and B-cells. In the presence of 1,25-2D3, the immune system’s production of inflammatory cytokines are suppressed and more tolerogenic regulatory T-cells are expressed. This is due to Vitamin D’s influence on cell maturation, specifically T-cells, and their phenotype expression. Lack of 1,25-2D3 expression can lead to less tolerant regulatory T-cells, larger presentation of antigens to less tolerant T-cells, and increased inflammatory response.

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    Why Are Only Some Affected

    During the development of T cells, they are made tolerant to self-antigens. However, in some people this tolerance is either lost or disrupted because of genetic and environmental factors, giving rise to autoimmunity.

    There are several defense mechanisms that promote the apoptosis of the self-reactive T cells. Despite these countermeasures, some self -reactive cells can remain in our body. In a genetically susceptible individual under the appropriate environmental conditions, these cells get activated resulting in an autoimmune disease.

    What Is The Status Of These Vaccines

    Some of the very first clinical trials of nucleic acid vaccines happened in the 1990s and were for cancer, particularly for melanoma.

    Today, there are a number of ongoing mRNA clinical trials for the treatment of melanoma, prostate cancer, ovarian cancer, breast cancer, leukemia, glioblastoma and others, and there have been some promising outcomes. Moderna recently announced promising results with its phase 1 trial using mRNA to treat solid tumors and lymphoma

    There are also a lot of ongoing trials looking at cancer DNA vaccines, because DNA vaccines are particularly effective in inducing T cell responses. A company called Inovio recently demonstrated a significant impact on cervical cancer caused by human papilloma virus in women using a DNA vaccine.

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    Tests That Diagnose Autoimmune Diseases

    No single test can diagnose most autoimmune diseases. Your doctor will use a combination of tests and a review of your symptoms and physical examination to diagnose you.

    The antinuclear antibody test is often one of the first tests that doctors use when symptoms suggest an autoimmune disease. A positive test means you may have one of these diseases, but it wont confirm exactly which one you have or if you have one for sure.

    Other tests look for specific autoantibodies produced in certain autoimmune diseases. Your doctor might also do nonspecific tests to check for the inflammation these diseases produce in the body.

    BOTTOM LINE: A positive ANA blood test may be indicative of an autoimmune disease. Your doctor can use your symptoms and other tests to confirm the diagnosis.

    Treatments are also available to relieve symptoms like pain, swelling, fatigue, and skin rashes.

    Eating a well-balanced diet and getting regular exercise may also help you feel better.

    BOTTOM LINE: The main treatment for autoimmune diseases is with medications that bring down inflammation and calm the overactive immune response. Treatments can also help relieve symptoms.

    More than 80 different autoimmune diseases exist. Often their symptoms overlap, making them hard to diagnose.

    Autoimmune diseases are more common in women, and they often run in families.

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