Immunosuppression News and Research

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Immunosuppression involves an act that reduces the activation or efficacy of the immune system. Some portions of the immune system itself have immuno-suppressive effects on other parts of the immune system, and immunosuppression may occur as an adverse reaction to treatment of other conditions.

Primate model helps detect features of COVID-19 virus

Features of the SARS-CoV-2 virus causing COVID-19, which could be useful for developing vaccines and treatment strategies, were identified using a nonhuman primate model developed at the Korea Research Institute of Bioscience and Biotechnology (KRIBB).

16 Nov 2020

Convalescent plasma in COVID-19 can be effective, especially early in disease

A team of researchers in the United States have conducted an extensive literature review looking at the usage of convalescent plasma from recovered COVID-19 patients to treat those with an impaired immune system. Their study, titled “Therapeutic use of convalescent plasma in COVID-19 patients with immunodeficiency: A systematic review,” has been released on medRxiv*, the preprint server.

12 Nov 2020

Survey: Only few children with rheumatic diseases report contracting COVID-19

Results from a large, international survey shows that only a small fraction of children with rheumatic diseases reported contracting COVID-19.

6 Nov 2020

Study: Blocking energy pathway helps reduce graft-versus-host disease

MUSC Hollings Cancer Center researchers identified that blocking an alternative energy pathway for T-cells after hematopoietic stem cell transplant helps reduce graft-versus-host disease (GVHD) in an animal model of leukemia.

5 Nov 2020

Novel insights open up new avenues for treating autoimmune conditions

Immune response is a balancing act: Too much can lead to inflammatory or autoimmune disease; too little could lead to a serious infection. Regulatory T cells, or Tregs, are important players in striking this balance, acting as "brakes" on the immune response so it doesn't go overboard.

27 Oct 2020

Researchers show a simple way to protect transplanted islets from rejection

Type 1 diabetes, or T1D, results from the autoimmune destruction of the insulin-producing cells of the pancreas. People with T1D require exogenous insulin and suffer swings in the levels of glucose in the blood that impact life expectancy and increase risks of cardiovascular disease, neuropathies and kidney failure.

22 Oct 2020

Androgen deprivation strategies could help mitigate SARS-CoV-2 infection

Since the beginning of the COVID-19 pandemic, researchers have noted that women are generally less severely affected by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). This has led to the exploration into estrogen and androgens' role in the hyperinflammatory clinical phenotypes of COVID-19. A recent study published on the preprint server bioRxiv shows that drugs targeting androgens and TMPRSS2 inhibitors may potentially combat the pandemic.

20 Oct 2020

Immunoglobulin M ACE2 autoantibodies associated with severe COVID-19

As the COVID-19 pandemic progresses with little prospect of immediate relief, a recent study by Johns Hopkins University researchers published on the preprint server medRxiv* in October 2020 discusses the association of Immunoglobulin M (IgM) autoantibodies against the host receptor that binds severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) with severe disease via vascular endothelial damage. This could help develop better therapies and prognostic criteria.

19 Oct 2020

SARS-CoV-2 infection of carotid arteries may explain vascular involvement in COVID-19

A new study published on the preprint server bioRxiv in October 2020 shows that the virus causing COVID-19, namely, SARS-CoV-2, produces replicative infection in the carotid arteries and affects the vascular responses. This could have a profound bearing on the understanding of the disease and its clinical treatment.

14 Oct 2020

CWRU and UH secure $4 million to establish research center focused on lung cancer in East Africa

Researchers with the Case Western Reserve University School of Medicine and University Hospitals Cleveland Medical Center have secured $4 million in funding from the National Institutes of Health (NIH)/National Cancer Institute to establish an HIV-associated Malignancy Research Center (HAMRC) focused on lung cancer in East Africa.

9 Oct 2020

Study fails to establish independent risk factors for SARS-COV-2 infection in HIV patients

As the COVID-19 pandemic continues to spread worldwide, a new study published in the International Journal of Infectious Diseases in September 2020 reports that people with HIV infection are not at greater risk of COVID-19 compared to the general population.

5 Oct 2020

AI used to define the cytokine storm implicated in fatal COVID-19

A new study published on the preprint server bioRxiv* in September 2020 reports the use of artificial intelligence (AI) to identify an invariant or universal host immune response found in all viral pandemics so far. The association of this response with severe COVID-19 phenotypes indicates a new understanding of the human immune response in viral pandemics.

24 Sep 2020

Trial shows new first-line treatment option for patients with metastatic kidney cancer

The results of the phase 3 CheckMate 9ER trial have provided a new first-line treatment option for patients with metastatic kidney cancer. The late breaking results are presented at ESMO 2020.

19 Sep 2020

Study reviews recent insights into the pathogenesis of feline leukemia virus infection

Feline leukaemia virus (FeLV) is a gammaretrovirus that occurs worldwide in domestic cats, as well as small wild cats. It is associated with various serious, and sometimes fatal, diseases including anaemia, immunosuppression and certain cancers

10 Sep 2020

Research compares T cell responses to SARS-CoV-2 and influenza

As the COVID-19 pandemic continues to grow, scientists are focusing on understanding how the host immune system responds to the virus in order to better shape public health responses and develop effective vaccines. A new study published on the preprint server medRxiv in September 2020 reports the T cell memory response to the SARS-CoV-2 spike protein, recombinant nucleocapsid protein, and other pooled peptides derived from convalescent patients.

3 Sep 2020

Triple therapy increases response rates in patients with Severe Aplastic Anemia

The European Society for Blood and Marrow Transplantation (EBMT), Europe's collaborative peer network of professionals working in the field of stem cell transplantation and cellular therapy, announced today the results of the phase III RACE trial during EBMTs virtual 46th Annual Meeting. Preliminary data show that adding Eltrombopag to standard immunosuppressive treatment is safe and increases response rates in patients with Severe Aplastic Anaemia.

31 Aug 2020

Allowing low-level CMV infection may boost immunity in stem cell transplant recipients

Patients who develop cytomegalovirus infections after allogeneic stem cell transplantation may be able to develop an immunity against the virus, strengthen their immune system and reduce reliance on strong antiviral medications, a team of cellular-therapy specialists from Roswell Park Comprehensive Cancer Center has found.

25 Aug 2020

No evidence pregnancy increases the risk of COVID-19 morbidity or severity

Albeit pregnancy is generally considered a significant risk factor for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and more severe coronavirus disease (COVID-19) outcomes, a recent study by a multinational team of researchers shows that symptoms are generally comparable between pregnant and non-pregnant cohorts of women – with the exception of gastrointestinal symptoms. This paper is currently available on the medRxiv* preprint server.

23 Aug 2020

New test provides information on immune response to Sars-Cov-2 in transplant patients

Even patients with suppressed immune systems can achieve a strong immune response to Sars-Cov-2. A test helps to adapt therapy following an infection.

17 Aug 2020

Mouse study shows potential new way to unlock the power of immunotherapy for cancer patients

Immunotherapy has revolutionized cancer treatment by stimulating the patient's own immune system to attack cancer cells, yielding remarkably quick and complete remission in some cases. But such drugs work for less than a quarter of patients because tumors are notoriously adept at evading immune assault.

11 Aug 2020