A protein that allows brain cells to dampen their sensitivity is found

Strengthening and weakening the connections between neurons, known as synapses, is vital to the brain's development and everyday function. In the nervous system, a synapse is a structure that permits a neuron or nerve cell to pass an electrical or chemical signal to another neuron. It is important for the brain's development and common function in every day. By swallowing up receptors on the surfaces that respond to glutamate which is the brain's excitatory chemicals, neurons weaken the synapses.

MIT neuroscientists just published a new study, explaining how the receptor reabsorption happens, allowing neurons to avoid undesired connections and to dampen their sensitivity in cases of overexcitation.

"Pulling in and putting out receptors is a dynamic process, and it's highly regulated by a neuron's environment," Elly Nedivi says. Nedivi is a professor of brain and cognitive sciences and member of MIT's Picower Institute for Learning and Memory. The understanding of how receptors are pulled in and how regulatory pathways impact that has been quite poor. They found a protein, known as CPG2, is critical to this regulation. It is notable, for mutations in the human version of CPG2 have been previously linked to bipolar disorder. This sets the stage for testing various human mutations and their impact at the cellular level, according to Nedivi.

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Does powerful gene editing tool CRISPR really help treat diseases?

Does powerful editing tool CRISPR really help treat diseases? There are a lot of pharmaceutical companies racing to find the answers.

Recently, Bayer AG announced a joint venture with startups CRISPR Therapeutics for the treatment of three hundred million US dollars to develop drugs for blood disorders, blindness, congenital heart diseases. This is just the pharmaceutical industry eager to take advantage of the first signs of CRISPR find and develop new methods of treatment. However, fully grasp the CRISPR tool to develop the full potential of the drug is still too early, will focus on recent developments in the CRISP system uses to edit specific condition to go.

CRISPR Therapeutics is one of three high-profile start-up companies, the other two are Editas Medicine and Intellia Therapeutics. They hope to use CRISPR gene editing tools to develop new drugs. All three companies are working with a large pharmaceutical manufacturing company has won or investment transactions in the past year has revealed broad areas of disease drug manufacturers see opportunities for the application of new tools.

In the short term, CRISPR's use in some genetic diseases or cancer cases may be more attractive. These therapies mean removing the body cells, modifying their DNA, and reintroducing them. However, the three companies are also interested in the development of technology to deliver CRISPR cells in the body, without removing it. This will be a more complex challenge.

A major goal of Bayer and CRISPR Therapeutics create the joint venture is to develop new transmission technology, which is the future of drug development in vivo cell is the "key", Rodger Novak, CEO of CRISPR Therapeutics. This is not a small challenge. In order to work, the drug must first find a suitable organ or tissue. Once it's there, it must be a safe way to put payloads into the correct cells.

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The tumors’ condition can be distinguished partly from miRNA Expression in Mucinous Appendiceal Neoplasm

Mucinous adenocarcinoma of the appendix is a rare case. Differentiation mucinous carcinoma from mucinous cystadenoma is very challenging, depending on the establishment of the appendix wall in the presence of malignant cells. In some cases, the invasion may be difficult, especially in the early stages of the disease, the patient's condition could have a devastating impact. Therefore, it is necessary to develop a secondary test. Scientists can use it to distinguish mucinous cystadenoma and mucinous adenocarcinoma. So far, there is no relevant difference in miRNA expression in the diagnosis of appendiceal mucinous adenocarcinoma of the report.

Recently, a study led by researchers at Wayne State University School of Medicine has been completed. In the research, six confirmed mucinous adenocarcinoma of the appendix and twelve selected cases of mucinous cystadenoma of the appendix. All RNA extracted from the above-mentioned cases of formalin-fixed paraffin-embedded specimens. Comprehensive miRNA microarray gene expression RNA samples from these two institutions merged to analyze, detect differential expression of miRNA of mucinous adenocarcinoma. MiRNA best seven differentially expressed in individual cases, by quantitative reverse transcription polymerase chain reaction (quantitative RT-PCR) for verification.

The LC Sciences miRNA microarray analysis revealed mucinous adenocarcinoma is 646 differentially expressed miRNA. These differences in miRNA expression, the expression of 80 miRNA difference was statistically significant (P <0.01). Quantitative RT-PCR to verify the expression of miR-1, miR-4328 is significantly lower compared to mucinous adenocarcinoma, mucinous cystadenoma (P <0.05). In another aspect, miR-200b in, miR-200c in, miR-451, miR-223 and miR-21, their expression in mucinous adenocarcinoma (P <0.05) were significantly increased.

The researchers observed miRNA detection appendix mucinous adenocarcinoma samples significant change compared to the expression level of mucinous cystadenoma. These data suggest that in mucinous tumors of the appendix of miRNA expression in cancer helps distinguish benign form of supplementary assessment.

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Electronics giant Philips plans to invest in digital health firms with EDBI

Philips, which is an electronic giant, together with EDBI, which is the venture unit of the Economic Development Board, has set up a fund to invest in digital health start-ups. EDBI think it is the first alliance with great corporations to support open innovation.

Besides the investment, both of the two sides will use their own business networks in certain region to assist the start-ups to launch in Asian market. Start-ups which have own products, devices and solutions about telemonitoring, telehealth and others in healthcare-based big data and analytics will be supported by the fund.

The partnership will strengthen Singapore's position as one of the leading digital health hubs in Asia, stated Chu Swee Yeok, the chief executive of EDBI. When the digital health start-ups base themselves in Singapore, other business opportunities in this area would also come out and develop, according to Ms Chu.

The Dutch conglomerate are going to offer business mentorship and guidance to those start-ups and help them develop the necessary skill sets which are required to run a scalable and sustainable business, said Mr Fabian Wong, who is Philips' chief executive of ASEAN and Pacific.

According to US venture capital firm Rock Health, the investments in digital health care start-ups reached US$4.5 billion in America. The fund is all for the sectors such as biosensing, telemedicine, wearables, personal healthcare tools and tracking and care coordination. Besides, one third of the fund is used for growth and business expansion for those companies.

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EEGs go out of the lab: making phone calls with our thoughts will be realized in the near future

A team of researchers in the Jacobs School of Architectural and Institute for Neural Computation from UC San Diego get produced any 64-channel "dry" electroencephalogram (EEG), which is reported to be the world's first. Regular EEGs demand its electrodes end up being covered in the conductive substance and also the body down below them end up being flushed and organized before use. These specific offers normally prohibited employing them beyond the research laboratory. Nonetheless, the brand new EEG foregoes the conductive substance even though reportedly giving equivalently accurate psychic readings of brain exercise.

It does so by using sensors produced from a real mix of magic and carbon dioxide that allows them to operate through an individual's curly hair even though incorporating minimal noises towards transmission. These kinds of signals tend to be contaminated by using electro-mechanical disturbance due to switching or maybe talking so, to create an apparent reading, the dry EEG's transmission is actually feasted into a custom-designed criteria which divides them within real-time in to several pieces. These kinds of pieces tend to be then likened versus base psychic readings to distinguish the images in the electro-mechanical noises.

"This is going to take neuroimaging to the next level by deploying on a much larger scale," Mike Yu Chi, a Jacobs School alumnus and CTO of Cognionics, a startup that helped with the study, told PsyPost. "You will be able to work in subjects' homes. You can put this on someone driving." The team envisions dry EEGs in a variety of futuristic applications -- from mobile sensor networks to mind-controlled phone apps and prosthetics.

They will especially need to see it employed in neurological solutions. "We can induce the brain to mend its difficulties,” reported Gert Cauwenberghs, UCSD bioengineering teacher and also the study's principal investigator. "We are attempting to get away from invasive technologies, for example strong brain activation and prescription drugs, and as an alternative commencement any fix method utilizes the brain's synaptic plasticity.”

This technology is just in its beginning state of the development. But it is possible that we live the life that we manage to make phone calls using our thoughts in the not near future.

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New study shows that gene expression impacts on cichlid's social status

A new study is conducted to investigate the roles of gene play in fish dominance. The results overturn the common thinking that the genetic codes are fixed throughout life. In the research on African cichlid fish, colorful male fish does better in life, and they tend to get more breeding opportunities and more chances of obtaining food. Without doubt, the color and behavior can decide much of the perceived dominance of the fish by its community. New research shows the mechanisms behind the superficial metrics.

Stanford University biologists conducted the research, the results of which are regulated at a genetic level proved by tweaking genes in male cichlids. They found that regulating genes can happen on the way during the processes of epigenetics, which provides the potential to change fish behavior in the whole life.

Through different mechanisms, gene expression can be turned on and turned off easily. One of those mechanisms is called DNA methylation, through which methyl molecules can be added to genes, which prevent them from being expressed. The Stanford scientists applied this approach to their research on the dominance behaviors of male African cichlids. The results show how social dominance can be regulated through methylation, though status differences exist in all social organisms. They think that the process may also be affected through experiences that occur over an organism’s lifetime, which cause certain genes to express themselves somehow.

In this study, scientists concentrated on Astatotilapia burtoni (a kind of cichlid). The males in this cichlid rely on their dominance which is obtained by commonly fighting each other, thus getting more food and females. The researchers did research by subdividing the cichlid into several pairs of males. In every pair, one male was injected with a methylating agent while the other received a methylation suppressor, and the two fish fought for dominance. The cichlid which was injected with the methylating agent found most likely to be the winners.

In conclusion, the epigenetic processes can cause changes in social status for this species of African cichlid but not reflect. The researchers will confirm which genes respond to methylation and causes change in dominance behavior the next time.

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The best way to relieve back pain is exercise

When you're suffering back pain, most of you are more likely to lie in bed all the time, considering that you will recover from the great discomfort soon. Recently, a research suggests that in fact, exercising may be the best way to relieve the pain.

A series of study involving over 30,000 participants, consist of more than 20 researches by using different treatment methods for lower back pain. The researchers get the conclusion from the research that proper exercise along with right education and exercise alone can help to decrease the risk of back pain.

The study shows that in patients who do much exercises, the lower back pain complaints reduced to thirty-five percent in the whole year. What's more, the percentage went to 45% when they were taught the right ways of sitting and lifting heavy things.

Although the researchers think that exercise alone may be useful, which means reducing risk of its episode and sick leave occurrences, they can't ensure whether the effects can last over a year. They noted that about 50 percent of the patients experience intermittence a year after recovering.

According to estimation, there may be 80 percent of the population suffering from back pain in their daily life mainly due to bending awkwardly, bad posture or lifting heavy objects improperly. This new finding provides proof of effects of exercise in relieve lower back pain, which is of great importance as a precautionary measure.

Besides, this study also finds various benefits from different forms of exercises, including back and abs strengthening, motion exercises. Yoga is effective for both women and men as a result of muscle strengthening and stretching combo. But the new findings show no evidence about the benefits of back belts shoe insoles or education alone to relieve back pain.

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