Human Biology News
May 27, 2015

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updated 7:58am EDT

More Human Biology News
May 27, 2015

Study Examines Association of Genetic Variants With Cognitive Impairment

May 26, 2015 — Individually rare but collectively common intermediate-size copy number variations may be negatively associated with educational attainment, according to a study. Copy number variations (CNVs) are ... read more

May 22, 2015 — A novel mouse has been developed that exhibits the symptoms and neurodegeneration associated with the most common genetic forms of frontotemporal dementia (FTD) and amyotrophic lateral sclerosis ... read more

May 21, 2015 — Certain proteins may slow the devastating memory loss caused by Alzheimer’s disease, according to a groundbreaking new study. The researchers found evidence that an elevated presence of a protein ... read more

New Biotechnology for High Efficiency Purification of Live Human Cells

May 21, 2015 — Cell therapies require a purification step that isolates the desired cell types from contaminating cells. Normally cell surface receptors are used as markers to distinguish cell types, but undesired ... read more

Why You Need One Vaccine for Measles and Many for the Flu

May 21, 2015 — While the influenza virus mutates constantly and requires a yearly shot that offers a certain percentage of protection, old reliable measles needs only a two-dose vaccine during childhood for ... read more

May 21, 2015 — Scientists have succeeded in restoring normal activity in cells isolated from patients with the premature aging disease Cockayne syndrome. They have uncovered the role played in these cells by an ... read more

Obesity, Weight Loss Change Splicing Pattern of Obesity, Type 2 Diabetes Genes

May 21, 2015 — Alternative splicing of obesity and type 2 diabetes related genes may contribute to the pathophysiology of obesity, according to research. Obesity leads to changes in the splicing pattern of ... read more

May 20, 2015 — Scientists want people who stutter to give a spit -- five milliliters to be precise -- to help find the cause and a cure for ... read more

Adults Harbor Lots of Risky Autoreactive Immune Cells

May 19, 2015 — Contradicting a long-held belief that self-reactive immune cells are weeded out early in life in an organ called the thymus, a new study has revealed that vast numbers of these cells remain in ... read more

Biomarker May Boost Ovarian Cancer Chemotherapy Response

May 20, 2015 — A molecule that helps control gene expression may play a role in controlling chemotherapy resistance among patients with the most common form of ovarian cancer. Chemoresistance is a major challenge ... read more

Molecule Designed to Treat Lung Cancer Shows Promising Results in Mice

May 20, 2015 — A new therapy for lung cancer, the most common cancer worldwide, has been identified by researchers. The team's study primarily focuses on lung cancer, yet further studies are ongoing in ... read more

The Life and Death of Beta Cells

May 19, 2015 — Researchers studying microRNA -- tiny strands of ribonucleic acid -- in beta cells have found a type that plays a key role in cell death under stress. MicroRNAs have been regulating cell processes ... read more

May 19, 2015 — Researchers determined DNA sequences from the Y chromosomes of 334 men belonging to 17 populations from Europe and the Middle East. The study shows that almost two out of three (64%) modern European ... read more

May 19, 2015 — When a human cell divides, its' daughter cells should each receive an identical copy of the mother cell's genome. Occasionally mistakes occur during this process generating mutations that ... read more

May 19, 2015 — When nerve cells form in an embryo they don’t start off in the right place but have to be guided to their final position by navigating a kind of molecular and cellular “map” in order to ... read more

Investigating the Benefits of 'Sticky Sperm' for IVF

May 19, 2015 — Scientists are investigating whether a molecule usually found in moisturizers and skin creams could improve IVF success rates. Embryologists running a new clinical trial are investigating whether ... read more

Collaborative Research Team Solves Cancer-Cell Mutation Mystery

May 18, 2015 — Approximately 85 percent of cancer cells obtain their limitless replicative potential through the reactivation of a specific protein called telomerase. A collaborative team of researchers has shown ... read more

Non-Invasive Colon Cancer Screening May Be Promising for African-Americans, Study Finds

May 18, 2015 — Stool DNA (sDNA) testing, a new non-invasive technology for colon cancer screening, is a promising alternative to colonoscopy for African Americans, according to a new study. According to the ... read more

Researchers Quantify Proportion of Different Genetic Mutations in Individual Bowel Cancers

May 18, 2015 — For the first time, researchers have quantified the different mutational profiles of clusters of cells in individual tumors in patients with bowel cancer that has spread to other parts of the body. ... read more

Blood Test for Early Detection of Breast Cancer Metastasis

May 18, 2015 — New hope has been given for a way of detecting metastases significantly earlier than is currently possible. The discovery is based on what is known as cell-free circulating DNA -- small fragments of ... read more

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