Background: Heat shock proteins (HSP) are from proteins family playing crucial role in maintaining cellular hemostats and protecting cells in an acute and chronic stressful conditions. The object of this study is to investigate the alternation of heat shock proteins (HSP70) levels after Wingate and Strand tests in female students.

Materials and Methods: In this semi- experimental study, 40 female (20 athletics and 20 non-athletics) with the mean age 22.3±3 & 23.2±2, Height 159.2±5 & 161.2±4 cm and mean weight of 59.3±3 & 65.4±2 kg (respectively) were selected randomly and underwent training protocols of Wingate and Strand tests with 3 days intervals. 5 cc brachial vein blood samples were taken immediately before and after performing tests in order to analyze the data using repeated measure method.

Results: The findings showed significant increase after aerobic Strand test between athletics and non-athletics Female (p<0.01). But, after aerobic Wingate test, a significant increased was observed only in Athletes' group (p>0.05). But there was an insignificant reduction in non-athlete group.

Conclusion: The results showed that exercise duration is more important than exercise intensity in HSP70 production.

Background: The purpose of the present study was to investigate the probable changes of HSP70 , liver enzymes & Cpk in professional athletes after a training season and participating in skating open world championship.

Materials and Methods: 10 elite female skaters were chosen. Eccentric exercise test were performed in three sections (24 hours before the beginning of the training, after six months of training (before participating in Skating World Championship) and 24 hours after the end of world championship). The training program consisted of 26 weeks of training, performed 5 times a week encompassing specialized skate trainings. Blood samples were taken before and after each eccentric exercise test.

Results: there was no significant change, in HSP70 concentration in response to eccentric exercise test, in pre exercise period (p>0.898). But, it illustrated a significant increase in after eccentric exercise test, in post exercise period (p<0.031). Moreover, in measuring down, it showed a significant increased in the amount of liver enzymes and Cpk after eccentric exercise test in second and third step compared to first step (p<0.05).

Conclusion: the results of the study illustrated that improving an athlete's physical fitness level during training season and matches leads to a significant increase in the protective level of the body (via the production of HSP70), depending also on the ability of the body of the individual in producing that protein. It can also be stated probably individual body fitness level, is an important factor in determining ALT, AST, ALP levels after performing eccentric exercise.

Background: There have been reports showing the protective role of inducible Heat-shock protein (HSP) 70 in gastric epithelial cells. HSP70-2 gene is located in the class-III region of the MHC on the short arm of chromosome 6. The HSP70-2 gene has a pst1 site due to an A to G transition at the 1267 position and different genotypes of the HSP70-2 gene have been shown to be associated with a different level of HSP70 mRNA expression. This study was performed to investigate relations between polymorphism of the HSP70-2 gene and risk of peptic ulcer diseases.

Materials and Methods: In this descriptive analytical study, the studied population comprised 100 subjects, attending the Endoscopy Center of Hafez Hospital in Shiraz on 2012. All subjects underwent upper gastroscopy. Genomic DNA was extracted from bioptic tissues. Genotypes were determined in patients and controls using PCR-RFLP.

Results: In the non-ulcer subjects, the HSP70-2 genotype distribution was 20 AA (40%), 26 AG (52%), and 4 GG (8%). Meanwhile, the HSP70-2 genotype distribution in peptic ulcer patients were 5 AA (10%), 44 AG (88%) and 1 GG (2%). The results showed that 1267G/A HSP70-2 Gene polymorphism is associated with peptic ulcer.

Conclusion: It appears that polymorphism of HSP70-2 gene is associated with the susceptibility to peptic ulcer diseases. The analysis showed that the AG genotype increased the risk of peptic ulcer (OR=6.76, 95%CI=2.26-20.20, p=0.0006).