Life Sciences

Found results: 11545

Genetics

Gender Spectrum (Part 2)

So far, we have talked about the fact that the genotype of a human cell can be either XX or XY, as something taken for granted. In fact, this is not quite true, and violation of this rule generates a whole range of diseases.

02.03.2015
Genetics

Gender Spectrum (Part 1)

Not all people can be definitely divided into men and women. According to some (rather bold) estimates, about one person out of a hundred is born and grows up with certain disorders in the formation of gender.

02.03.2015
Cellular technologies

A new source of cells for corneal regeneration

A group of researchers from the University of Pittsburgh School of Medical Sciences has shown that wisdom teeth pulp stem cells can be transformed into corneal stromal cells – keratocytes.

02.03.2015
Biomedicine

Neurodegenerative diseases: early diagnosis by skin biopsy

In subjects with Alzheimer's and Parkinson's diseases, the level of tau- and alpha-synuclein in the skin was increased compared to the control group and with patients suffering from other types of dementia.

27.02.2015
Genetic engineering

RNA interference instead of Bt toxin

Scientists have come up with a new way to control agricultural pests. They bred potatoes with RNA molecules that are deadly to Colorado beetles.

27.02.2015
Other life sciences

Dopamine diseases

One of the neurotransmitters – molecules that transmit signals between neurons, is dopamine; this substance is associated with the most important biological processes in the brain and serious diseases.

27.02.2015
Other life sciences

On the way to new antibiotics

Russian scientists together with foreign colleagues have brought the creation of new classes of antibiotics closer, having achieved a breakthrough in the field of cryoelectronic microscopy.

27.02.2015
Other life sciences

"Smart" bandage calls the doctor

Any wound should be treated, bandaged and treated. This requires a doctor, a nurse and time spent waiting for your turn to receive. But in the future, all these functions will be able to perform a single "smart" bandage.

26.02.2015
Genetics

DNA sketches for criminology

The first case when a portrait based on the reconstruction of the phenotype by DNA was made public in the investigation of a criminal case has not yet put the police on the suspect's trail.

26.02.2015
Other life sciences

Bionic prostheses instead of injured hands

The staff of the Medical University of Vienna performed partial amputation of the damaged limbs, replacing them with bionic prostheses. Three patients will not play the piano, but they will be able to hold a fork or play ball without difficulty.

26.02.2015
Theories of aging

The concept of successful aging

Modern gerontologists refuse to consider old age as a time of extinction of bodily and mental functions, considering it as an important and productive period of life. The entire February issue of The Gerontologist magazine is devoted to works on this topic.

26.02.2015
Genetics

Epigenetics and diseases: a place to step forward

Epigenetics is the key to a real understanding of both diseases and the usual signs of the human body, but identifying and confirming these relationships will take a lot of time.

26.02.2015
Genetics

DNA in the "cloud"

At the initial stage, the main goal of the MatchMaker Exchange cloud computing system is to establish interaction between physicians from different countries who are dealing with the problem of rare mutations in a single gene.

25.02.2015
Other life sciences

Morpholino vs. "problem areas"

Local injection of this synthetic oligonucleotide leads to the fact that energy is consumed much faster in this place in the mouse than in the body as a whole.

25.02.2015
Nanotechnology

Diagnostic nanoparticles "six in one"

The new type of nanoparticles potentially allows to examine the patient's body in six different ways, while introducing only one contrast agent.

25.02.2015
Other life sciences

The hormone of love saves from alcoholism

Oxytocin, the hormone of love and family happiness, very effectively protects brain cells from the effects of ethyl alcohol and significantly reduces the desire to drink.

25.02.2015