Harvard scientists discuss promise and peril of emerging IVG technique

In vitro fertilization has transformed reproductive medicine and sparked a number of therapeutic and diagnostic breakthroughs.   Now a new, still experimental, technique known as in vitro gametogenesis (IVG) is poised to usher in the next era in reproductive and regenerative medicine. The approach—thus far successful only in mice—allows scientists to create embryos in a…

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Exploring the Epigenetics of Ethnicity

  Researchers attempt to estimate how much of the human genome’s methylation patterns can be attributed to genetic ancestry.   When conducting clinical trials, researchers collect demographic data on study participants, such as gender, age, height, race and ethnicity. But while most of these traits are phenotypes that can be easily assessed or measured, race…

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Natural Remedies for Fibromyalgia

  Fibromyalgia is a complex disorder that causes pain and fatigue in the muscles. This pain tends to be on specific tender points on the body, including on the neck, shoulders, back, hips, arms, and legs, and occurs when pressure is put on them.   Doctors don’t really know what causes fibromyalgia. People of all…

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Scientists design high precision DNA probes for breast cancer detection

  New Delhi: Scientists from India have designed high precision DNA probes for breast cancer detection and they claim that this can bring down the treatment for cancer ten-folds.   Researchers at the Indian Institute of Technology – Guwahati relied on `magic bullets` of science, a class of molecules called aptamers, that can bind to…

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Retroviruses Originated in Ocean 450 Million Years Ago, New Study Says

  Retroviruses (Retroviridae) — a family of viruses that includes pathogens such as HIV, feline leukemia, and several cancer-causing viruses — have an ancient marine origin and originated together with, if not before, their jawed vertebrate hosts nearly 450 million years ago in the Ordovician period, according to a new study published today in the…

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CRISPR gene editing takes on rare immunodeficiency disorder

American Association for the Advancement of Science Researchers have harnessed the CRISPR-Cas9 technology to correct mutations in the blood stem cells of patients with a rare immunodeficiency disorder; the engineered cells successfully engrafted in mice for up to five months.   Researchers have harnessed the CRISPR-Cas9 technology to correct mutations in the blood stem cells…

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Year in review: ‘Three-parent baby’ technique raises hope and concern

Safety and ethical questions surround controversial mitochondrial replacement therapy SPINDLE SWAP A boy born in April has DNA from mom and dad, as well as mitochondria from a female donor. To make “three-parent” embryos, the chromosome-containing spindle, shown at the tip of the pipette, is removed from a woman’s egg and inserted into a donor…

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Fertility Preservation for Cancer Patients: Options for Men and Women

  In fertility preservation, reproductive tissues are saved, so that a person may have a child in the future. It usually involves freezing and storing eggs, sperm, or embryos, although other methods may be employed.   Men and women can preserve their fertility if they wish to delay parenthood, or if they are undergoing treatment…

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Freezing As Healing: Inside The Cryotherapy Craze

  The latest rage among celebrities seeking the fountain of youth involves freezing. Cryotherapy began with the use of low temperatures in medicine to eradicate diseased or unwanted tissue, such as moles or skin tags. That’s not what the stars are seeking. Instead, they flock to cryotherapy treatment for its purported ability to burn calories,…

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Honey can reverse antibiotic resistance, study suggests

Manuka honey could be an efficient way to clear chronically infected wounds and could even help reverse bacterial resistance to antibiotics, according to research presented at the Society for General Microbiology’s Spring Conference in Harrogate. Professor Rose Cooper from the University of Wales Institute Cardiff is looking at how manuka honey interacts with three types…

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Baking Soda for Acid Reflux: Does it Work?

Acid reflux occurs when some of the acid in the stomach flows back up into the food pipe, or esophagus. The acid irritates the lining of the food pipe and a person may experience a burning sensation in the chest, known as heartburn. A person with acid reflux might also have a sour taste in…

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Top 5 Retracted Science Studies of 2016

  Publish or perish: That’s the mantra among academics. The pressure on researchers to publish new studies, however, may have turned this saying into “publish and perish,” as more than 650 scientific papers were retracted in 2016, jeopardizing the integrity of scientists, and threatening the public’s trust in their work.   Misconduct accounts for the…

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Microprotein important for maintaining human cell health discovered

In discovering the important housekeeping role that a previously overlooked tiny protein plays in cells, scientists highlight that although so-called microproteins may be small, they could have a big impact on human biology. nobody interacting with proteins This image of human kidney cells shows NoBody (green), P-body markers (red), cell nuclei (blue), and NoBody interacting…

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Embryo Transfers: What You Need to Know

  Transferring a fertilized embryo to a woman’s uterus is an important part of the in vitro fertilization process.   There are some things to expect during the embryo transfer process, as well as some risks and precautions to consider. This article takes a look at how the process works and who can benefit from…

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MicroRNA may give clue to schizophrenia’s ‘voices’

  Researchers from St. Jude Children’s Research Hospital in Memphis, TN, have identified small RNA sequences that help explain the auditory hallucinations experienced by individuals with schizophrenia. The team hopes that the findings might provide a basis for future treatments with reduced side effects. A woman hearing voices] Small sections of non-coding RNA could provide…

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New ‘electron gun’ could help enable X-ray movies

  This illustration shows a miniature electron gun driven by terahertz radiation. A UV pulse (blue) back-illuminates the gun photocathode, producing a high-density electron bunch inside the gun. The bunch is immediately accelerated by ultra-intense terahertz pulses to energies approaching 1 kiloelectronvolt. These high-field optically-driven electron guns can be utilized for ultrafast electron diffraction or…

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Scientists recondition brain to fight fear

Fear-related anxiety disorders – such as phobias and post-traumatic stress disorder – affect millions of Americans. Although treatment options such as psychotherapy, medication, and alternative therapies are widely available, their success rates vary. A team of international neuroscientists may have found a way to “remove” specific fears from the brain.   Neuroscientists may have found…

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Researchers find drug-resistant bacteria in air samples

Polluted city air has now been identified as a possible means of transmission for resistant bacteria. Researchers in Gothenburg have shown that air samples from Beijing contain DNA from genes that make bacteria resistant to the most powerful antibiotics we have.   “This may be a more important means of transmission than previously thought,” says…

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25 AMAZING BENEFITS & USES FOR HYDROGEN PEROXIDE

Hydrogen peroxide (3% solution) is the only germicidal agent composed only of water and oxygen. Like ozone, it kills disease organisms by oxidation! Hydrogen peroxide is considered the worlds safest all natural effective sanitizer. It kills microorganisms by oxidizing them, which can be best described as a controlled burning process. When Hydrogen peroxide reacts with…

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From Pigs’ Kidneys To 3D Printed Lungs: The Future Of Organ Transplants

All around the world, the requirement for organs far outstrips the number of donations. In India alone, out of the 1.5 lakh people who require a kidney, only 3000 receive one. Researchers around the world have been looking at alternatives to bridge this gap between demand and supply. Right from trying to grow artificial organs inside…

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Missing links that connect human DNA variation with disease discovered

Blood cell analysis identifies thousands of disease-related genes   Scientists have discovered the hidden connections in our genomes that contribute to common diseases. Using a pioneering technique, the results are beginning to make biological sense of the mountains of genetic data linking very small changes in our DNA sequence to our risk of disease. Discovering…

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Is there a new human species waiting to be discovered?

It may be time to add more branches to the human family tree. Researchers have come up with a estimation tool to determine the traits we have in common with early humans, Neanderthals and Denisovans, and how our histories crossed paths. In the process of comparing these ancient populations from 50,000 to 70,000 years ago…

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How the Heck Did Black Widow Spider DNA Get Inside a Virus?

  How the Heck Did Black Widow Spider DNA Get Inside a Virus? Scientists have found the DNA for black widow spider venom inside a type of virus called a bacteriophage.   Scientists have found some toxic DNA lurking inside a virus that infects bacteria. In addition to its own genes, the virus holds a…

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Formaldehyde damages proteins, not just DNA

Human lung fibroblast cells were left alone on the left, exposed to formaldehyde for 1 hour in the middle and 3 hours on the right. The greater amount of green shows greater amounts of protein damage. The capacity of formaldehyde, a chemical frequently used in manufactured goods such as automotive parts and wood products, to…

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Hippocampus: What is its Function?

  When learning about the human brain, it’s helpful to remember that even the most powerful computer in the world is no match for this part of the human body. With its billions of nerve cells, and the thousands and thousands of connections each nerve cell makes, the brain gives new meaning to the word…

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New drug target for asthma, autoimmune disorders identified

  Using a new tool for probing the molecular makeup of cells, researchers have discovered that PD-1 – a marker that already serves as a drug target for some cancers – may also serve as a drug target for asthma and other autoimmune disorders. Autoimmune disease definition, pills, and syringe Using a new tool that…

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Universal flu vaccine designed by scientists

Scientists have designed a new generation of universal flu vaccines to protect against future global pandemics that could kill millions. Researchers researchers have devised two universal vaccines; a USA-specific vaccine with coverage of 95% of known US influenza strains; and a universal vaccine with coverage of 88% of known flu strains globally. A new vaccine…

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Ultrasmall nanoparticles kill cancer cells in unusual way

 Scientists are surprised to find that ultrasmall, fluorescent nanoparticles – originally developed to light up tumors for surgery – can also kill cancer cells by triggering a type of cell death that is not commonly observed. Human cancer cell The ultrasmall particles kill cancer cells by taking iron from their environment and delivering it into…

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Researchers reveal how ultrasmall nanoparticles can kill cancer cells

  Nanoparticles known as Cornell dots, or C dots, have shown great promise as a therapeutic tool in the detection and treatment of cancer.   Now, the ultrasmall particles – developed more than a dozen years ago by Ulrich Wiesner, the Spencer T. Olin Professor of Engineering at Cornell University – have shown they can…

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