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20 results for Molecular genetics

Israeli Immune-Response Algorithm Could Aid TB Diagnosis
Israeli Immune-Response Algorithm Could Aid TB Diagnosis

https://www.weizmann-usa.org/news-media/in-the-news/israeli-immune-response-algorithm-could-aid-tb-diagnosis/

Aug 27, 2019... Xray of a patient with active pulmonary tuberculosis. Image by Shutterstock
Just as first impressions set the stage for the entire course of a relationship, first impressions set the stage for how the cells of our immune system react when meeting a new microbe, according to Israeli researchers at the Weizmann Institute of Science.
This new insight led the researchers to develop an algorithm that may predict the onset of such diseases as tuberculosis. Their findings were published July 22 in Nature Communications.

TAGS: Molecular genetics, Immune system, Bacteria, Mathematics

Cell Diversity May Explain Why a Brain Cancer is Hard to Treat
Cell Diversity May Explain Why a Brain Cancer is Hard to Treat

https://www.weizmann-usa.org/news-media/in-the-news/cell-diversity-may-explain-why-a-brain-cancer-is-hard-to-treat/

Sep 27, 2019... Glioblastoma, a typically incurable brain cancer, is a master of diversity. Not only do the tumors differ from one patient to the next, but cells within each tumor differ greatly from one another. In a study published recently in Cell, researchers at the Weizmann Institute of Science, working in collaboration with Boston researchers and physicians, have found that glioblastoma cells come in as many as four “states,” or subtypes, and – as if that were not enough – these cells can transition from one state to another. These findings might help explain why glioblastoma is so difficult to treat and point toward ways of developing future therapies.

TAGS: Brain, Cancer, Molecular genetics

Israeli Lab Finds Molecules to Target Mutant Disease Gene
Israeli Lab Finds Molecules to Target Mutant Disease Gene

https://www.weizmann-usa.org/news-media/in-the-news/israeli-lab-finds-molecules-to-target-mutant-disease-gene/

Jan 27, 2020... When Weizmann Institute of Science Prof. Rivka Dikstein set out to study a gene regulating inflammation, she had no idea she’d find a promising route to developing a drug for Huntington’s disease.
Dikstein’s biomolecular sciences team focused on a gene called Spt5, which regulates how DNA is copied for manufacturing proteins. The scientists discovered that Spt5 plays a key role in inflammation.

TAGS: Genetics, Brain, Molecular genetics, Inflammation

Israeli Scientists Develop Innovative Method for Observing Fetal Cell Development
Israeli Scientists Develop Innovative Method for Observing Fetal Cell Development

https://www.weizmann-usa.org/news-media/in-the-news/israeli-scientists-develop-innovative-method-for-observing-fetal-cell-development/

Sep 11, 2019... JERUSALEM, Sept. 10 (Xinhua) – Israeli scientists have developed a method that allows unprecedented observation of embryonic stem cell differentiation, the Weizmann Institute of Science (WIS) reported Tuesday.
The study, published in the journal Molecular Cell, is another step in solving one of the great mysteries of life – a tiny ball of identical cells implants itself in the uterus, and somehow, these cells begin to differentiate – each heading for a different fate.

TAGS: Molecular genetics, Stem cells

Cells Inside Cells: The Bacteria That Live in Cancer Cells
Cells Inside Cells: The Bacteria That Live in Cancer Cells

https://www.weizmann-usa.org/news-media/news-releases/cells-inside-cells-the-bacteria-that-live-in-cancer-cells/

Jun 02, 2020... REHOVOT, ISRAEL—June 2, 2020—Cancer cells are comfy havens for bacteria. That conclusion arises from a rigorous study of over 1,000 tumor samples of different human cancers. The study, headed by researchers at the Weizmann Institute of Science, found bacteria living inside the cells of all the cancer types – from brain to bone to breast cancer – and even identified unique populations of bacteria residing in each type of cancer. The research suggests that understanding the relationship between a cancer cell and its “mini-microbiome” may help predict the potential effectiveness of certain treatments or may point, in the future, to ways of manipulating those bacteria to enhance the actions of anticancer treatments. The findings of this study were published in Science and featured on the cover.

TAGS: Cancer, Biology, Molecular genetics, Cancer treatment, Bacteria, Metabolism

First Map of Tumour Microbiomes Finds Bacteria Live In Many Cancers
First Map of Tumour Microbiomes Finds Bacteria Live In Many Cancers

https://www.weizmann-usa.org/news-media/in-the-news/first-map-of-tumour-microbiomes-finds-bacteria-live-in-many-cancers/

May 28, 2020... The first comprehensive survey of the microorganisms that live inside tumours has found that bacteria reside in those from many different cancer types, but it is unclear whether they contribute to tumour growth.
These bacteria make up part of a tumour’s microbiome – the complex community of bacteria, fungi and other microbes that live inside it.
Bacteria have previously been found in tumours in the bowel and other tissues in the body that are routinely exposed to microbes. However, less is known about their presence in tumours from other cancers, like those of the bone, brain and ovary.

TAGS: Cancer, Biology, Molecular genetics, Cancer treatment, Bacteria, Metabolism

Stopping Future Viral Threats and COVID-19
Stopping Future Viral Threats and COVID-19

https://www.weizmann-usa.org/news-media/video-gallery/stopping-future-viral-threats-and-covid-19/

Jul 16, 2020... “Viruses can be ill-mannered guests,” says Dr. Noam Stern-Ginossar, “freely helping themselves to the host’s cell machinery and using it to make more viruses.”

TAGS: Community, Molecular genetics, Virus, Vaccine

Targeting a Chronic Pain Gateway Could Bring Relief
Targeting a Chronic Pain Gateway Could Bring Relief

https://www.weizmann-usa.org/news-media/news-releases/targeting-a-chronic-pain-gateway-could-bring-relief/

Aug 14, 2020... REHOVOT, ISRAEL—August 14, 2020—Something like a quarter of the world’s population suffers from chronic pain at some point. As opposed to acute pain – for example, that feeling after hitting your finger with a hammer – chronic pain may not even have a clear cause, and it can linger for years or lifetimes. The burden of chronic pain includes damage to mental and physical health, lower productivity, and drug addiction. Now, a study led by researchers at the Weizmann Institute of Science suggests an original approach to treating this affliction by targeting a key gateway – one that leads to the activation of genes in the peripheral nerve cells that are involved in many forms of chronic pain. The findings of this study were published in Science.

TAGS: Molecular genetics, Central nervous system

Profiling the COVID-19 Coronavirus
Profiling the COVID-19 Coronavirus

https://www.weizmann-usa.org/news-media/news-releases/profiling-the-covid-19-coronavirus/

Sep 09, 2020... REHOVOT, ISRAEL—September 9, 2020—“Contact tracing” inside infected cells is providing new clues into the workings of SARS-CoV-2, the virus that causes COVID-19. A research team at the Weizmann Institute of Science and the Israel Institute for Biological Research, in Ness Ziona, Israel, used the contacts between the virus’s genetic material and the cells’ protein-producing machinery to bring to light details of the viral protein-coding segments and the new – and potentially important – proteins they create. The findings of this research, published in Nature, could lead to better diagnostics or new treatments, and help to explain what makes this virus so skilled in the process of infection.

TAGS: Molecular genetics, Virus, Proteins

Bacteria Could Provide Us With the Next Antivirals
Bacteria Could Provide Us With the Next Antivirals

https://www.weizmann-usa.org/news-media/news-releases/bacteria-could-provide-us-with-the-next-antivirals/

Sep 16, 2020... REHOVOT, ISRAEL—September 16, 2020—By tracking the evolution of what may be our oldest means of fighting off viral infection, a group at the Weizmann Institute of Science has uncovered a gold mine of antiviral substances that may lead to the development of highly effective antiviral drugs. These substances are made by virus-fighting enzymes known as viperins, which were previously known to exist only in mammals and have now been found in bacteria. The molecules produced by the bacterial viperins are currently undergoing testing against human viruses such as influenza and COVID-19. The study was published in Nature.

TAGS: Molecular genetics, Immune system, Bacteria, Virus, Collaborations

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