HP and myeloid sarcoma: In this study, no significant relation was found between gender of MS patients or the age of onset of the illness and the titer of anti-Hp hsp60 IgG; Efthymiou and colleagues [15] found a positive correlation with the age of onset but not for the gender, also Lechner and collegues found no relation between gender and Hsp70 level at MS patients [19].