Landing therapeutic genes safely in the human genome

Researchers have developed a computational approach to identify GSH sites with significantly higher potential for the safe insertion of therapeutic genes and their durable expression across many cell types. For two out of 2,000 predicted GSH sites, the team provided an in-depth validation with adoptive T cell therapies and in vivo gene therapies for skin diseases in mind. By engineering the identified GSH sites to carry a reporter gene in T cells, and a therapeutic gene in skin cells, respectively, they demonstrated safe and long-lasting expression of the newly introduced genes.

Quelle: Sciencedaily

You can feel this acid when you work out. Now it may increase knowledge of cancer medicine

New research shows that specific enzymes can remove lactic acid marks. This finding may increase our understanding of cancer medicine and how physical exercise, among other things, can affect human epigenetics.

Quelle: Sciencedaily

Drug mimics beneficial effects of fasting in mice

An investigational cancer drug that starves tumors of their energy supply also shows evidence of improving whole body metabolism, leading to improved weight control, according to a new study in mice.

Quelle: Sciencedaily

Cancer treatment may inhibit immune response to COVID-19 vaccination

A study has found that patients with cancer who receive chemotherapy — and some targeted therapies, such as CDK4/6 inhibitors and therapies targeted at B cells — may mount an inadequate immune response to COVID-19 vaccination.

Quelle: Sciencedaily

Newly discovered DNA repair mechanisms point to potential therapy targets for cancer and neurodegenerative diseases

Faulty DNA damage repair can lead to many types of cancer, neurodegenerative diseases, and other serious disorders. Investigators have developed high-throughput microscopy and machine learning systems that can identify and classify DNA repair factors. The investigators have identified nine previously unknown factors involved in the process of cellular DNA repair.

Quelle: Sciencedaily

Meta-analysis may help guide treatment planning for patients with high-risk prostate cancer

Results of a large study could help guide treatment planning for patients with high-risk prostate cancer.

Quelle: Sciencedaily

Immunotherapy before liver cancer surgery can kill tumor, and likely residual cancer cells

Immunotherapy given before surgery caused liver cancer tumors to die off in one-third of the patients enrolled in a new clinical trial.

Quelle: Sciencedaily

Magnesium is essential for the immune system, including in the fight against cancer

The level of magnesium in the blood is an important factor in the immune system’s ability to tackle pathogens and cancer cells. Researchers have reported that T cells need a sufficient quantity of magnesium in order to operate efficiently. Their findings may have important implications for cancer patients.

Quelle: Sciencedaily

Fish study shows role of estrogens in sense of smell

Steroid estrogens play an important role as embryos develop a sense of smell, new research shows. The study, which examined zebrafish embryos, discovered a type of astrocyte glial cell that is new to science, and have been named estrogen responsive olfactory bulb (EROB) cells.

Quelle: Sciencedaily

Research team identifies new mechanism for protecting DNA

Researchers have identified a new mechanism by which a protein known for repairing damaged DNA also protects the integrity of DNA by preserving its structural shape. The discovery, involving the protein 53BP1, offers insight into understanding how cells maintain the integrity of DNA in the nucleus, which is critical for preventing diseases like premature aging and cancer.

Quelle: Sciencedaily

Researchers pinpoint how Zika virus evades cell’s antiviral response

In a new study of the Zika virus, scientists have discovered a key mechanism used by the virus to evade the antiviral response of the cell it is attacking. This finding contributes to a better understanding of how viruses infect cells, overcome immune barriers and replicate — information that is essential for fighting them.

Quelle: Sciencedaily

Boosting T cells improves survival in mice with glioblastoma

A new study shows that treatment with an immune-boosting protein called interleukin 7 (IL-7) in combination with radiation improves survival in mice with glioblastoma. The study in mice suggests promise for a phase 1/2 clinical trial that is investigating a long-acting type of IL-7 in patients with glioblastoma.

Quelle: Sciencedaily

Biostatisticians launch Cancer-Immu data portal for predicting response to immune checkpoint blockade immunotherapy

A new data portal called Cancer-Immu established by a team of biostatisticians can help cancer clinicians and researchers predict which patients will respond to immune checkpoint inhibitors. With data from 3,652 samples for 16 cancer types, Cancer-Immu is the largest immune checkpoint blockade-related data portal for exploring immunogenomic connections.

Quelle: Sciencedaily

Scientists identify therapeutic target for Epstein-Barr virus

A new study has identified a new potential pathway for developing therapeutics that target Epstein-Barr virus (EBV).

Quelle: Sciencedaily

Nuclei-free cells prove utility in delivering therapeutics to diseased tissues

Researchers report successfully removing the nucleus from a type of ubiquitous cell, then using the genetically engineered cell as a unique cargo-carrier to deliver therapeutics precisely to diseased tissues.

Quelle: Sciencedaily

Systematically examining the way spatial structure influences the evolution of cancer

Characterizing the way, manner or pattern of evolution in tumors may be important for clinical forecasting and optimizing cancer treatment. Researchers are systematically examining how spatial structure influences tumor evolution. To do this the group developed a computational model with the flexibility to simulate alternative spatial structures and types of cell dispersal.

Quelle: Sciencedaily

The first AI breast cancer sleuth that shows its work

Researchers have developed an artificial intelligence platform to analyze potentially cancerous lesions in mammography scans to determine if a patient should receive an invasive biopsy. But unlike its many predecessors, the algorithm is interpretable, meaning it shows physicians exactly how it came to its conclusions.

Quelle: Sciencedaily

Human immune system uses ancient family of cell death proteins also found in bacteria

The human immune system, that marvel of complexity, subtlety, and sophistication, includes a billion-year-old family of proteins used by bacteria to defend themselves against viruses, scientists have discovered.

Quelle: Sciencedaily

New treatment target ID’d for radiation-resistant cervical cancer

Understanding how cells die is key to developing new treatments for many diseases, whether the goal is to make cancer cells die or keep healthy cells alive in the face of other illnesses, such as massive infections or strokes. Two new studies have identified a previously unrecognized pathway of cell death — named lysoptosis — and demonstrate how it could lead to new therapies for cervical cancer.

Quelle: Sciencedaily

Assessing Progression Risk in Cancer

A molecular feature in prostate cancer, called endogenous retroviral (ERV) RNA, has been found to have prognostic value and also distinguish differences between men of African and European or Middle Eastern ancestry, according to a new study. The team also identified ERV expression signatures that may be useful for identifying prostate cancer patients at greatest risk of progression regardless of ancestry, which may also extend to progression in other cancers.

Quelle: Sciencedaily

Mouse study identifies bacterial protein associated with colorectal cancers

The discovery raises the possibility that some of the roughly two million new cases of colorectal cancer every year around the world originate from brief and seemingly mild food-poisoning events.

Quelle: Sciencedaily

Lymphoma: Key signaling pathway involved in tumor formation identified

There are myriad reasons why cancers develop. By studying genes which are altered in people with lymphoma, a multidisciplinary team of researchers has identified a key mechanism involved in disease development. This signaling pathway, which the researchers describe in detail, controls the repair of DNA damage.

Quelle: Sciencedaily

Novel therapeutic target in multiple myeloma

Multiple myeloma is a cancer of the bone marrow, with a life expectancy of less than 5 years post-diagnosis. Proteasome inhibitors, the therapeutic backbone of current treatments, are very effective in treating newly diagnosed cancers but resistance or intolerance to these molecules inevitably develop, leading to relapses. While studying a neglected tropical disease , Buruli ulcer, researchers discovered a novel therapeutic target for multiple myeloma that could allow to bypass this resistance.

Quelle: Sciencedaily

To destroy cancer cells, team ‚travels back in time‘

When an individual suffers from cancer, the process of programmed cell death called apoptosis does not occur normally, permitting abnormal cells to thrive.

Quelle: Sciencedaily

New findings may contribute to better diagnosis and treatment of liver cancer

In a new study, researchers have identified the presence of a specific connection between a protein and an lncRNA molecule in liver cancer. By increasing the presence of the lncRNA molecule, the fat depots of the tumor cell decrease, which causes the division of tumor cells to cease, and they eventually die. The study contributes to increased knowledge that can add to a better diagnosis and future cancer treatments.

Quelle: Sciencedaily