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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

Alzheimer's: New brain cell loss mechanism uncovered

Mon, 24 Jul 2017 09:00:00 PDT

The discovery could 'spur a new area of Alzheimer's disease research,' say the scientists, who found a new pathway of neuronal loss in the condition.

Small cell lung cancer: Cause of treatment resistance discovered

Fri, 21 Jul 2017 07:00:00 PDT

Small cell lung cancer returns post-therapy because circulating tumor cells that were previously sensitive to chemotherapy form chemo-resistant complexes.

Use of cognitive abilities to care for grandkids may have driven evolution of menopause

Thu, 20 Jul 2017 11:00:00 PDT

Instead of having more children, a grandmother may pass on her genes more successfully by using her cognitive abilities to directly or indirectly aid her existing children and grandchildren.

Natural cannabinoids from omega-3 fatty acids combat inflammation

Thu, 20 Jul 2017 07:00:00 PDT

Scientists have found the pathways through which the body makes anti-inflammatory molecules from cannabinoids derived naturally from omega-3 fatty acids.

New findings suggest a genetic influence on aging into the 90s but not beyond

Thu, 20 Jul 2017 00:00:00 PDT

Variants of a gene thought to be linked to longevity appear to influence aging into the 90s, but do not appear to affect exceptional longevity, or aging over 100, a new study has found.

New study of brain circuits finds key links to symptoms of depression

Wed, 19 Jul 2017 00:00:00 PDT

University of California San Diego scientists have linked specific wiring in the brain to distinct behavioral symptoms of depression.

Diabetes causes shift in oral microbiome that fosters periodontitis, Penn study finds

Mon, 17 Jul 2017 00:00:00 PDT

A new study led by University of Pennsylvania researchers has found that the oral microbiome is affected by diabetes, causing a shift to increase its pathogenicity.

Bacterium promotes colorectal tumor growth

Fri, 14 Jul 2017 08:00:00 PDT

New research shows that a bacterium actively drives the growth of cancer cells in colorectal cancer. The findings may, in the future, improve treatment.

Tattoos: Does ink travel through your body?

Fri, 14 Jul 2017 00:00:00 PDT

After the tattoo needle punctures deep into your skin, most of the ink is lodged firmly in your dermis - but the rest goes on a journey.

Scientists find common genes involved in muscle strength

Thu, 13 Jul 2017 07:00:00 PDT

Study of more than 195,000 people finds 16 common genetic variants associated with muscle strength and gives insight into underlying biological mechanisms.

Detailed structure of the sweat gland revealed

Wed, 12 Jul 2017 00:00:00 PDT

The basic structure of human sweat glands consists of a coiled secretory region deep in the skin and then a tube or duct that conveys the sweat to a pore at the skin surface.

A newly identified complex of Tau and RNA suggests a path to aggregation

Thu, 06 Jul 2017 11:00:00 PDT

The hallmark of many neurodegenerative diseases is the formation of protein aggregates, yet how and why these aggregates form remains a mystery.

Immune system cell clones created before birth may last for decades

Thu, 06 Jul 2017 11:00:00 PDT

Identical twins may exchange T cells through cord blood before birth.Key immune system cells produced before birth may survive well into adulthood, according to new research published in PLOS...

Researchers show how cancer spreads in mice

Thu, 06 Jul 2017 09:00:00 PDT

A team of researchers based in Japan has developed a new imaging protocol that allows us to see how cancer cells spread during metastasis in mice.

Social status of listener alters our voice

Mon, 03 Jul 2017 06:00:00 PDT

People tend to change the pitch of their voice depending on who they are talking to, and how dominant they feel, a study by the University of Stirling has found.

Study shows why acupuncture might work

Sun, 02 Jul 2017 00:00:00 PDT

A new study looks at two different acupuncture techniques in an attempt to explain why it might work and why acupuncture trials have had mixed results.

Proteins linked to HIV transmission could actually be beneficial for reproduction

Fri, 30 Jun 2017 00:00:00 PDT

Researchers show that semen amyloids help the human body dispose of excess and defective sperm.

Why is osteoarthritis more common among women? Study sheds light

Wed, 28 Jun 2017 09:00:00 PDT

A new study provides insight into why women are more likely to develop OA than men, and estrogen and microRNAs in synovial fluid may hold the answer.

Scientists may have found a way to stop cancer from metastasizing

Tue, 27 Jun 2017 09:00:00 PDT

Using a combination of gold nanoparticles and laser technology, a team of scientists has found a way to halt the migration of cancer cells.

Select memories can be erased, leaving others intact

Tue, 27 Jun 2017 00:00:00 PDT

New study of snail neurons suggests memories that trigger anxiety, PTSD could be 'erased' without affecting normal memory of past events.

Characterising the mouse genome reveals new gene functions and their role in human disease

Tue, 27 Jun 2017 00:00:00 PDT

The first results from a functional genetic catalogue of the laboratory mouse has been shared with the biomedical research community, revealing new insights into a range of rare diseases and the...

Working at night may interfere with DNA repair

Tue, 27 Jun 2017 00:00:00 PDT

A new study explores the effect of night shifts on melatonin levels and DNA repair, as indicated by a chemical byproduct excreted in urine.

The biology of uterine fluid: How it informs the fetus of mom's world

Mon, 26 Jun 2017 00:00:00 PDT

A developing fetus bathes in a mixture of cellular secretions and proteins unique to its mother's uterus.

Type 1 diabetes: Almost half of patients produce insulin

Fri, 23 Jun 2017 08:00:00 PDT

New research finds that type 1 diabetes does not necessarily mean a total loss of insulin; nearly half of patients still produce some of the hormone.

Sugar-coated nanomaterial excels at promoting bone growth

Wed, 21 Jun 2017 00:00:00 PDT

There hasn't been a gold standard for how orthopaedic spine surgeons promote new bone growth in patients, but now Northwestern University scientists have designed a bioactive nanomaterial that is so...