Experimental production of funcional spermatozoa in mice

“Could this technique also be performed in humans to treat infertility problems without ethical problems?” A major step has been taken in the experimental production of spermatozoa, after a Chinese team were able to produce them “in vitro” from mice (Cell...

Death penalty drugs. Now Pfizer refuses to provide drugs for capital punishment in the United States

A few days ago, pharmaceutical giant Pfizer announced a ban on the use of their drugs for capital punishment in the United States. This decision was picked up by American newspaper The New York Times, where the company stated that the manufacture of their products is intended to...

Mitochondrial replacement used for the first time in viable human embryos

An article has been recently published in scientific journal Nature (534; 383–386, 2016), describing the application of mitochondrial  technique in viable human embryos. This experiment is considered  as the first preclinical study in humans in this field. Mitochondrial...

The distinction between male and female is deeply rooted in the human brain

Recent studies of sex-determination systems and sex chromosomes has already increase our knowledge of human sexuality. Sex-determination systems occupie a central place in the human conception of the living world. In fact, the sexual distinction between male and female is deeply...

World birth rate. Highest in Africa and lowest in Germany and Japan

The current birth rate in Germany means that it is the country with fewest births, even lower than Japan. Germany has a birth rate of 8.2 per 1,000 inhabitants, despite Government efforts to support childcare in Germany. Japan, Portugal and Italy have rates of 8.4,  9.0 and 9.3,...

Male fertility also falls with age

What about male fertility? It is widely accepted that the likelihood of becoming a mother decreases with age in women. However, there are few studies on male fertility. This has now been evaluated however, and has shown that, like in women, the possibility of becoming a father...

Mother to child transmission. A novel prevention technique of hereditary mitochondrial disease

‘The technique remains nevertheless an intervention on the germ line’ This possible new technique to prevent mitochondrial disease transmission , while it has major advantages, remains nevertheless an intervention on the germ line, and therefore should be carefully...

Bioartificial organs. Promissing new technique

Several possibilities have been proposed to resolve this medical emergency, including: the use of xenotransplants (animal organs); the production of true bioartificial organs – most often using a natural or artificial biological structure, which is then filled with the...
Posted On 19 Oct 2016
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Surrogate motherhood. A comprehensive report from european bishops

An extensive surrogacy report has been published by COMECE (Commission of the Bishops’ Conferences of the European Community) entitled SURROGACY and HUMAN DIGNITY (February 2015), which concludes that “all forms of gestational surrogacy represent a violent assault on...

Umbilical cord blood stem cell transplant successfully applied in a child with cerebral palsy

The boy had developed cerebral palsy following a cardiac arrest. When he was a normally developed two-and-a-half-year-old, he suffered global cerebral anoxia that led to a vegetative state. Nine weeks later, he received a transfusion of stem cells from his own umbilical cord...