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In first-of-their-kind observations in the human brain, an international team of researchers has revealed two well-known neurochemicals–dopamine and serotonin–are at work at sub-second speeds to shape how people perceive the world and take action based on their perception.

Furthermore, the neurochemicals appear to integrate people’s perceptions of the world with their actions, indicating dopamine and serotonin have far more expansive roles in the human nervous system than previously known.

Known as neuromodulators, dopamine and serotonin have traditionally been linked to reward processing–how good or how bad people perceive an outcome to be after taking an action.

Continue reading “Scientists find neurochemicals have unexpectedly profound roles in the human brain” »

The CRISPR/Cas9 gene-editing tool is one of the most promising approaches to advancing treatments of genetic diseases—including cancer—an area of research where progress is constantly being made. Now, the Molecular Cytogenetics Unit led by Sandra Rodríguez-Perales at the Spanish National Cancer Research Centre (CNIO) has taken a step forward by effectively applying this technology to eliminate so-called fusion genes, which in the future could open the door to the development of cancer therapies that specifically destroy tumors without affecting healthy cells. The paper is published in Nature Communications.

Fusion genes are the abnormal result of an incorrect joining of DNA fragments that come from two different genes, an event that occurs by accident during the process of cell division. If the cell cannot benefit from this error, it will die and the fusion genes will be eliminated. But when the error results in a reproductive or survival advantage, the carrier cell will multiply and the fusion genes and the proteins they encode thus become an event triggering tumor formation. “Many chromosomal rearrangements and the fusion genes they produce are at the origin of childhood sarcomas and leukaemias,” explains Sandra Rodríguez-Perales, lead co-author of the study now published by the CNIO. Fusion genes are also found in among others prostate, breast, lung and brain tumors: in total, in up to 20% of all cancers.

Because they are only present in tumor cells, fusion genes attract a great deal of interest among the scientific community because they are highly specific therapeutic targets, and attacking them only affects the tumor and has no effect on healthy cells.

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Circa 2010

Wound & ulcer microcurrent electrical stimulation electrotherapy device. Treats infection. Accelerated healing. For all wounds & ulcers. Clinic & home use.

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In the search for the chemical origins of life, researchers have found a possible alternative path for the emergence of the characteristic DNA pattern: According to the experiments, the characteristic DNA base pairs can form by dry heating, without water or other solvents. The team led by Ivan Halasz from the Rudjer Boskovic Institute and Ernest Mestrovic from the pharmaceutical company Xellia presents its observations from DESYs X-ray source PETRA III in the journal Chemical Communications.

“One of the most intriguing questions in the search for the origin of life is how the chemical selection occurred and how the first biomolecules formed,” says Tomislav Stolar from the Rudjer Boskovic Institute in Zagreb, the first author on the paper. While living cells control the production of biomolecules with their sophisticated machinery, the first molecular and supramolecular building blocks of life were likely created by pure chemistry and without enzyme catalysis. For their study, the scientists investigated the formation of nucleobase pairs that act as molecular recognition units in the Deoxyribonucleic Acid (DNA).

Our genetic code is stored in the DNA as a specific sequence spelled by the nucleobases adenine (A), cytosine ©, guanine (G) and thymine (T). The code is arranged in two long, complementary strands wound in a double-helix structure. In the strands, each nucleobase pairs with a complementary partner in the other strand: adenine with thymine and cytosine with guanine.

This week Jennifer Doudna and Emmanuelle Charpentier were awarded the Nobel Prize in chemistry for developing a process to edit DNA known as CRISPR Cas-9. But the announcement, which comes amid a years-long battle over who owns the methodology to make genomic edits, is bittersweet.

“It will be good news for the entire world,” he said.

Malka said that India would likely serve as the manufacturing headquarters for this rapid-test kit.

Israel sent a senior-level delegation from the country’s Directorate of Defense Research and Development to India in July to develop the new and rapid coronavirus tests in cooperation with their Indian counterparts, while treating Indian patients with coronavirus.

Continue reading “India-Israel ‘30-second coronavirus test’ should be ‘ready in days’” »

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Continue reading “Sipping from the Fountain of Youth: Anti-Aging Treatments Explained By BioViva’s Elizabeth Parrish” »

Great news! 🙏

Shah said the patient’s battle with COVID-19 seriously damaged his lungs and may have also further damaged his heart. By September, the patient was critically ill with advanced heart and lung disease. He was referred to VUMC from the University of Mississippi Medical Center.

“He was slipping fast, in and out of the hospital and certainly by the time we operated on him, his heart was really done,” Shah said.

Continue reading “Doctors in Nashville perform world’s first dual heart and lung transplant on COVID-19 patient” »

I will be 49 tomorrow. I always like to find some sort of life extension vid for my birthday. And boy did I hit it. Here comes Bill Faloon to drown you in info. Fruit flies 48% increase at 4:30, George Church at 9:00, C. Elegans 5X increase 15:30, 114 year old blood cells reprogrammed ti pluripotent at 18:40, epigenetics at 22:30, Senile plasma at 24:30, Dr Mike West 4 paragraphs to summarize at 21:00, 44:00 minutes is Vitality in Aging Interventions Trail which anyone can join. Enjoy.