Diverse and highly cross-reactive T-cell responses in ragweed allergic patients independent of geographical region.

Background: Ragweed frequently causes seasonal allergies in North America and Europe. In the United States, several related ragweed species with diverse geographical distribution cause allergic symptoms. Cross-reactivity towards related ragweed species of IgE and treatment-induced IgG has been demonstrated previously.

The prevalence of non organ specific and thyroid autoimmunity in patients with polycystic ovary syndrome.

Background: Polycystic ovary syndrome (PCOS) is commonly associated with endocrine, metabolic, cardiovascular and other morbidities. However its association with autoimmune diseases is still controversial.

Aim: The aim of this study was to assess the prevalence of non organ-specific and antithyroid, antibodies in PCOS women compared to healthy controls.