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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

Could fungi be a vast, untapped source of new antibiotics?

Fri, 21 Apr 2017 07:00:00 PDT

In scanning genomes of many fungal species, scientists find over 1,000 molecular pathways that might yield a large variety of antibiotics and other drugs.

Scientists uncover mechanism allowing bacteria to survive the human immune system

Fri, 21 Apr 2017 00:00:00 PDT

Researchers have uncovered molecular details of how pathogenic bacteria fight back against the human immune response to infection.

Fertility can hinge on swimming conditions in the uterus

Fri, 21 Apr 2017 00:00:00 PDT

For a mammal's sperm to succeed, it must complete the swim of its life to reach and fertilize an egg. That's easier if it swims through water, not goo.

Drug based on malaria protein shows promise against treatment-resistant bladder cancer

Thu, 20 Apr 2017 07:00:00 PDT

Mouse study finds that treating cisplatin-resistant bladder cancer with a recombinant protein from the malaria parasite has significant anti-tumor effect.

Immune system can spot tell-tale change in identity of cancer antigens - study

Thu, 20 Apr 2017 00:00:00 PDT

A new study has identified novel mechanisms whereby T cells may be able to distinguish an emerging class of targets specifically increased on cancer cells.

Hints for a healthier lifestyle in your oscillating salivary microbiome

Thu, 20 Apr 2017 00:00:00 PDT

A group of Japanese researchers became the first in the world to discover that bacteria in the salivary microbiome exhibit circadian rhythm and act as if it were a part of the human body, just like...

Protein primes mouse stem cells to quickly repair injury, Stanford study finds

Thu, 20 Apr 2017 00:00:00 PDT

Like drag car racers revving their engines at the starting line, stem cells respond more quickly to injury when they've been previously primed with one dose of a single protein, according to a...

Chaining up diarrhea pathogens

Thu, 20 Apr 2017 00:00:00 PDT

Vaccinations are known to protect against pathogens such as bacteria or viruses.

Insights into mitochondrial 'power grids' increase understanding of heart muscle

Wed, 19 Apr 2017 07:00:00 PDT

New study reveals how the mitochondrial power grid that distributes energy in heart muscle cells limits widespread damage from local failures.

Specialized blood vessels enhance tumor-fighting immunotherapy

Tue, 18 Apr 2017 00:00:00 PDT

Scientists from VIB and KU Leuven, together with colleagues from the University of California and the Swiss Institute for Experimental Cancer Research have demonstrated that , anti-angiogenic...

New cells found in the retina, paving way for jet lag therapy

Tue, 18 Apr 2017 00:00:00 PDT

New research from the University of Edinburgh in the United Kingdom discovers a group of retina cells involved in regulating the sleep-wake cycle.

Nanoparticle nasal spray may offer rapid and safe delivery of drugs to the brain

Thu, 13 Apr 2017 07:00:00 PDT

A nasal spray containing nanoparticles could be a safe, effective way to deliver drugs to the brain, say scientists, after testing the method in locusts.

How stevia may help to control blood sugar

Wed, 12 Apr 2017 09:00:00 PDT

The natural, no-calorie sweetener stevia may help people with diabetes to control their blood sugar levels. A new study reveals the mechanisms behind this.

What obese fruit flies may tell us about the evolution of cold tolerance

Wed, 12 Apr 2017 00:00:00 PDT

Researchers have hypothesized that migrations into higher, colder latitudes may lead to the evolution of fast-burning metabolisms that keep cells warm in chilly conditions, boosting cold tolerance.

Small molecule may offer new way to fight pancreatic cancer

Tue, 11 Apr 2017 07:00:00 PDT

A new study of mice suggests that treating pancreatic tumors with the small microRNA molecule MIR506 may inhibit growth and spread of cancer cells.

Time-lapse video reveals cells essential for 'birth' of blood stem cells

Tue, 11 Apr 2017 00:00:00 PDT

St. Jude Children's Research Hospital study examines origin of blood stem cells during development and offers clues for making "donor blood" in the laboratory for therapeutic use.

Peptide acts as mediator for learning

Tue, 11 Apr 2017 00:00:00 PDT

The ability of the brain to respond and adapt to changes is scientifically called brain plasticity. This ability is the basis of all learning processes.

Inflammatory bowel disease: Potential new treatment target identified

Mon, 10 Apr 2017 07:00:00 PDT

Protein whose levels are higher in IBD patients could be a new treatment target of particular relevance for the many cases that resist the current therapy.

Salk scientists expand ability of stem cells to regrow any tissue type

Mon, 10 Apr 2017 00:00:00 PDT

When scientists talk about laboratory stem cells being totipotent or pluripotent, they mean that the cells have the potential, like an embryo, to develop into any type of tissue in the body.

Homing system delivers drugs to specific neurons

Mon, 10 Apr 2017 00:00:00 PDT

Biomedical engineers have developed a way to deliver drugs to specific types of neurons in the brain, providing an unprecedented ability to study neurological diseases while also promising a more...

HIV: New math model may help to predict strains for vaccine development

Fri, 07 Apr 2017 07:00:00 PDT

Researchers suggest that a model that combines concepts of stock price fluctuation and particle diffusion can predict HIV changes for vaccine development.

Pancreatic cancer: 'Softening' tumors before chemotherapy may extend survival

Thu, 06 Apr 2017 07:00:00 PDT

Study finds that priming pancreatic cancer tumors with Fasudil before chemotherapy extends survival in engineered and patient-derived mouse models.

How stress controls hemoglobin levels in blood

Thu, 06 Apr 2017 00:00:00 PDT

Researchers at the Hebrew University of Jerusalem have discovered a new mechanism through which our genes express the oxygen-carrying molecule hemoglobin.

Low-dose penicillin in early life induces long-term behavioral changes

Thu, 06 Apr 2017 00:00:00 PDT

In a landmark study, researchers at St. Joseph's Healthcare Hamilton and McMaster University have found that providing clinical (low) doses of penicillin to pregnant mice and their offspring...

Ovarian cancer: Effective immunotherapy steps closer with new T cell study

Wed, 05 Apr 2017 07:00:00 PDT

The successful application of adoptive T cell therapy to ovarian cancer steps closer with a new mouse study, but several challenges still remain.