Immunohistochemistry News and Research

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Immunohistochemistry (IHC) is an imaging technique to visualize antigens in cells. Labeled antibodies bind to target antigens in the cell to image the distribution and localization of specific proteins of interest

Researchers use information theory to monitor resistance mechanisms to targeted cancer therapy

One of the major challenges in modern cancer therapy is the adaptive response of cancer cells to targeted therapies: initially, these therapies are very often effective, then adaptive resistance occurs, allowing the tumor cells to proliferate again.

21 Jul 2021

SARS-CoV-2 variants show distinct humoral response and transcriptional profiles in hamster model

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a novel, highly infectious respiratory virus, and the causative agent of coronavirus disease 2019 (COVID-19) pandemic. SARS-CoV-2, which first originated in Wuhan, in Hubei province of China, is a member of the Coronavirdae family and has a large, non-segmented RNA genome.

14 Jul 2021

SARS-CoV-2 infects and replicates in the salivary glands, study finds

In Brazil, researchers at the University of São Paulo's Medical School (FM-USP) have discovered that SARS-CoV-2 infects and replicates in the salivary glands.

6 Jul 2021

COVID-19 patients suffer from cognitive, behavioral problems after discharge, study finds

COVID-19 patients suffer from cognitive and behavioral problems two months after being discharged from hospital, a new study presented at the 7th Congress of the European Academy of Neurology (EAN) has found.

21 Jun 2021

Lymphangiogenesis predicts favorable outcomes to immunotherapy

Oncotarget published "Mutually exclusive lymphangiogenesis or perineural infiltration in human skin squamous-cell carcinoma" which reported that although tumor-associated lymphangiogenesis correlates with metastasis and poor prognosis in several cancers, it also supports T cell infiltration into the tumor and predicts favorable outcome to immunotherapy.

8 Jun 2021

Direct action of SARS-CoV-2 on organs may lead to exacerbated inflammatory response in pediatric patients

Besides common symptoms such as fever, cough and respiratory distress, some children have an atypical form of COVID-19 known as multisystem inflammatory syndrome in children (MIS-C), characterized by persistent fever and inflammation of several organs, such as the heart and intestines, as well as the lungs to a lesser extent.

1 Jun 2021

Neuropathology of COVID-19 patients caused by infection of brain pericytes

Recently, researchers from the UK and Sweden used highly sensitive multiplexed immunohistochemistry to study the brain tissue of COVID-19 patients and controls to analyze ACE2 expression in brain pericytes of patients with neurological symptoms. They also used spatial immunophenotyping to assess inflammation in brain tissue of COVID-19 patients.

31 May 2021

New book provides insight into the pathophysiology of leprosy

Leprosy remains one of the biggest public health problems in many countries. It is a complex disease in several aspects, including clinical, histopathological, and molecular.

29 May 2021

Adaptimmune to report Phase 2 trial data on synovial sarcoma at ASCO congress

Adaptimmune Therapeutics plc, a leader in cell therapy to treat cancer, will report initial data from its Phase 2 SPEARHEAD-1 trial, with afamitresgene autoleucel (afami-cel, formerly ADP-A2M4), at the American Society of Clinical Oncology (ASCO) congress. Full abstracts were released online today.

21 May 2021

Study: Repeated vape aerosol exposure causes minimal lung damage compared to combustible cigarettes

In one of the most advanced applications of in-vitro 3D human lung models in vape research to date, a new peer-reviewed Imperial Brands study shows that, unlike combustible cigarette smoke, blu aerosol had little to no impact on numerous toxicological endpoints under the conditions of test using laboratory models.

6 May 2021

Researchers show how low-protein diet during pregnancy can cause kidney problems in babies

Besides being underweight, babies born to women whose diet lacked sufficient protein during pregnancy tend to have kidney problems resulting from alterations that occurred while their organs were forming during the embryonic stage of their development.

5 May 2021

Study identifies how SARS-CoV-2 enters and infects the brain

A recent preclinical study led by Anja Kipar of the University of Zurich and the University of Liverpool found evidence of the virus infecting and eventually provoking cell death in microglia and immune cells — but not neurons. The viral-induced apoptosis in these brain cells may explain why some long-haulers experience ‘brain fog’ months after recovery.

21 Apr 2021

Feline model of SARS-CoV-2 infection imitates COVID-19 in humans

Researchers in the United States have validated a feline model of infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that closely imitates coronavirus disease 2019 (COVID-19) in humans.

15 Apr 2021

Mouse monoclonal antibodies protect against SARS-CoV-2 wildtype, UK and South African variants

A new preprint research paper posted to the bioRxiv server reports on the ability of a set of neutralizing mouse antibodies to protect mice against multiple lineages of SARS-CoV-2.

8 Apr 2021

Evidence-based clinical practice guideline aims to optimize PD-L1 lung tumor testing

The College of American Pathologists (CAP), in collaboration with five other societies, developed a draft evidence-based clinical practice guideline that aims to optimize PD-L1 testing for patients with non-small cell lung cancer (NSCLC) who are being considered for immunooncology therapy.

1 Apr 2021

Male fetuses impair the maternal and placental immune response to SARS-CoV-2 infection in pregnancy, finds study

The ongoing COVID-19 pandemic, caused by SARS-CoV-2, is now established to be more likely to lead to symptomatic and serious illness in males relative to females. This may extend as far back as pregnancy, suggests a recent study.

31 Mar 2021

New proteomics method helps confirm COVID-19 transmission from mother to fetus

Researchers from Skoltech were part of a research consortium studying a case of vertical COVID-19 transmission from mother to her unborn child that resulted in major complications in the pregnancy, premature birth and death of the child.

19 Mar 2021

Using decision theory for precise choice of breast cancer treatment

The precise choice of treatment for breast cancer depends upon the status of the hormone receptors (for oestrogen and progesterone). Their conventional determination by means of immunohistochemistry (IHC) is associated with a certain error rate, which can be reduced by adding genomic data.

8 Mar 2021

Gene panel test enables highly accurate diagnosis of liposarcomas

Researchers have leveraged the latest advances in RNA technology and machine learning methods to develop a gene panel test that allows for highly accurate diagnosis of the most common types of liposarcoma.

5 Feb 2021

Remyelinating drug shows potential to improve vision in patients with MS

A team led by a biomedical scientist at the University of California, Riverside, reports a drug -- an estrogen receptor ligand called indazole chloride (IndCl) -- has the potential to improve vision in patients with multiple sclerosis, or MS.

2 Feb 2021