Heart fields: one, two or more?

The heart-forming fields: one or multiple?

The recent identification of a second mesodermal region as a source of cardiomyocytes has challenged the views on the formation of the heart. This second source of cardiomyocytes is localized centrally on the embryonic disc relative to the remainder of the classic cardiac crescent, a region also called the pharyngeal mesoderm. In this review, we discuss the concept of the primary and secondary ...

Influenza: one or two more questions

Received wisdom has it that pathogens are not generally lethal to the hosts they normally infect, because they could not survive if they were. Pathogenicity thus becomes adapted to a level at which the host survives to become reinfected (or to produce young that become infected). The most notable example of such adaptation is in the herpesviruses, which have evolved a quite extraordinary repert...

Two (or more) heads are better than one.

Genetics of hypertrophic cardiomyopathy: one, two, or more diseases?

PURPOSE OF REVIEW Hypertrophic cardiomyopathy is the most common identifiable cause of sudden death in the young. This review details the history of hypertrophic cardiomyopathy, recent discoveries in its genetic underpinnings and important genotype-phenotype relationships described in recent studies. RECENT FINDINGS Since the discovery of the genetic underpinnings of hypertrophic cardiomyopat...

Social Support or Organizational Support: Which One Is More Predictive of Job Burnout in workers?

  Introduction: Social and organizational supports are effective factors closely related to job burnout and Due to the limited studies in this area on Iranian workers, this study aims to determine the predictability of social support and organizational support in  job burnout for workers in Yazd. Methods: This cross-sectional study was carried out among 200 textile workers in Yazd through str...