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Preview: Biology / Biochemistry News From Medical News Today

Biology / Biochemistry News From Medical News Today

Biology and biochemistry refer to the scientific study of life and living organisms in all forms and processes - including the study of chemical processes relating to living organisms. MNT covers news on cellular, molecular and physical discoveries, nanot

Copyright: Copyright 2017 Medical News Today

Scientists find genetic mutations that drive antibiotic resistance

Thu, 23 Feb 2017 00:00:00 PST

Scientists from the Broad Institute of MIT and Harvard in Cambridge, Massachusetts, have identified novel mutations in bacteria that promote the evolution of high-level antibiotic resistance.

New 'late-life cycler' circadian genes linked to aging and stress

Wed, 22 Feb 2017 00:00:00 PST

A new subset of genes that only become active during stress and aging offer clues into how circadian rhythms might influence health and disease.

Tick "cement" as a potential bioadhesive for human tissue

Wed, 22 Feb 2017 00:00:00 PST

Ticks are well known for their ability to anchor themselves firmly to the skin, so that they can suck blood for several days.

An alternative to opioids? Compound from marine snail is potent pain reliever

Wed, 22 Feb 2017 00:00:00 PST

A tiny snail may offer an alternative to opioids for pain relief. Scientists at the University of Utah have found a compound that blocks pain by targeting a pathway not associated with opioids.

Targeting the biological clock could slow the progression of cancer

Tue, 21 Feb 2017 06:00:00 PST

Does the biological clock in cancer cells influence tumour growth? Yes, according to a study conducted by Nicolas Cermakian, Director of the Laboratory of Molecular Chronobiology at the Douglas...

Researchers are first to see DNA 'blink'

Tue, 21 Feb 2017 00:00:00 PST

Many of the secrets of cancer and other diseases lie in the cell's nucleus. But getting way down to that level - to see and investigate the important genetic material housed there - requires...

The reasons for our left or right-handedness

Tue, 21 Feb 2017 00:00:00 PST

A preference for the left or the right hand might be traced back to that asymmetry.

Role of rogue protein PAK4 confirmed in pancreatic cancer cells

Tue, 21 Feb 2017 00:00:00 PST

A new study that confirms the role of a protein called PAK4 in the movement and growth of pancreatic cancer cells could help researchers find new ways to tackle the disease.

ELMO1 at the heart of the metastatic process of tumor cells

Tue, 21 Feb 2017 00:00:00 PST

A group of French and American scientists led by Dr. Géraldine Guasch at the Cancer Research Center in Marseille France (CRCM, INSERM) uncover how aggressive transition zone tumors grow and spread...

Food additive found in candy, gum could alter digestive cell structure and function

Mon, 20 Feb 2017 00:00:00 PST

The ability of small intestine cells to absorb nutrients and act as a barrier to pathogens is "significantly decreased" after chronic exposure to nanoparticles of titanium dioxide, a common food...

How cancers trick the immune system into helping rather than harming them

Mon, 20 Feb 2017 00:00:00 PST

Scientists at Trinity College Dublin have discovered how certain cancers hijack the immune system for their benefit, tricking it into helping rather than harming them.

Parkinson's: 'Genetic switch' may play key role in preserving brain cells

Fri, 17 Feb 2017 07:00:00 PST

Study finds a genetic switch that controls PINK1 and PARKIN genes, defects in which cause mitchondrial dysfunction seen in some forms of Parkinson's.

When your eyes override your ears: New insights into the McGurk effect

Fri, 17 Feb 2017 06:00:00 PST

Seeing is not always believing - visual speech (mouth movements) mismatched with auditory speech (sounds) can result in the perception of an entirely different message.

Cancer: New method tags elusive tumors for targeted therapy

Wed, 15 Feb 2017 07:00:00 PST

Some tumors are difficult to target because their cells have no unique receptors to tag. Now, researchers reveal a way to manually introduce them.

Organo-metal compound seen killing cancer cells from inside

Wed, 15 Feb 2017 00:00:00 PST

Researchers have witnessed - for the first time - cancer cells being targeted and destroyed from the inside, by an organo-metal compound discovered by the University of Warwick.

Ovarian hormones awaken newly discovered breast stem cells

Wed, 15 Feb 2017 00:00:00 PST

Walter and Eliza Hall Institute researchers have used advanced cellular, bioinformatics and imaging technology to reveal a long-lived type of stem cell in the breast that is responsible for the...

Penn vet study shows how solid tumors resist immunotherapy

Wed, 15 Feb 2017 00:00:00 PST

Immunotherapies have revolutionized cancer treatment, offering hope to those whose malignancies have stubbornly survived other existing treatments.

Type 1 diabetes: Reprogramming liver cells may lead to new treatments

Tue, 14 Feb 2017 07:00:00 PST

For the first time, scientists show it is possible to reprogram liver cells into pancreatic precursor cells by changing the expression of a single gene.

Sickle Cell Disease: Overview, Symptoms, and Causes

Tue, 14 Feb 2017 06:00:00 PST

What does sickle cell disease do to the body and what are the possible complications? How is it diagnosed and what treatment options are available?

Neurons support cancer growth throughout the body

Tue, 14 Feb 2017 06:00:00 PST

Cancer cells rely on the healthy cells that surround them for sustenance. Tumors reroute blood vessels to nourish themselves, secrete chemicals that scramble immune responses, and, according to...

Scientists discover an unexpected influence on dividing stem cells' fate

Tue, 14 Feb 2017 00:00:00 PST

When most cells divide, they simply make more of themselves. But stem cells, which are responsible for repairing or making new tissue, have a choice: They can generate more stem cells or...

IFT20 protein's role in helping cancer cells to invade

Mon, 13 Feb 2017 00:00:00 PST

An international research team has discovered that the IFT20 protein helps some cancer cells to invade by facilitating the transportation of membranes and proteins within parts of the cell.

Researchers identify protein essential for healthy gut cell development

Fri, 10 Feb 2017 00:00:00 PST

Scientists have uncovered key processes in the healthy development of cells which line the human gut, furthering their understanding about the development of cancer.

How best to treat infections and tumors: Choice of containment versus aggressive treatment depends on drug resistance

Thu, 09 Feb 2017 11:00:00 PST

In cases where drug resistance can lead to treatment failure, new research shows that therapies tailored to contain an infection or a tumor at tolerable levels can, in some cases, extend the...

Bacterium from coal mine fire could aid drug targeting

Wed, 08 Feb 2017 00:00:00 PST

Chemists scouring Appalachia for exotic microorganisms that could yield blockbuster drugs have reported a unique find from the smoldering remains of a coal mine fire that's burned for nearly a...