دورية أكاديمية
The release of cardioprotective humoral factors after remote ischemic preconditioning in humans is age- and sex-dependent
| العنوان: | The release of cardioprotective humoral factors after remote ischemic preconditioning in humans is age- and sex-dependent |
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| المؤلفون: | André Heinen, Friederike Behmenburg, Aykut Aytulun, Maximilian Dierkes, Lea Zerbin, Wolfgang Kaisers, Maximilian Schaefer, Tanja Meyer-Treschan, Susanne Feit, Inge Bauer, Markus W. Hollmann, Ragnar Huhn |
| المصدر: | Journal of Translational Medicine, Vol 16, Iss 1, Pp 1-11 (2018) |
| بيانات النشر: | BMC |
| سنة النشر: | 2018 |
| المجموعة: | Directory of Open Access Journals: DOAJ Articles |
| مصطلحات موضوعية: | Cardioprotection, Remote ischemic preconditioning, Age, Sex, Reperfusion injury, Medicine |
| الوصف: | Background Preclinical and proof-of-concept studies suggest a cardioprotective effect of remote ischemic preconditioning (RIPC). However, two major clinical trials (ERICCA and RIPHeart) failed to show cardioprotection by RIPC. Aging and gender might be confounding factors of RIPC affecting the inter-organ signalling. Theoretically, confounding factors might prevent the protective potency of RIPC by interfering with cardiac signalling pathways, i.e. at the heart, and/or by affecting the release of humoral factor(s) from the remote organ, e.g. from the upper limb. This study investigated the effect of age and sex on the release of cardioprotective humoral factor(s) after RIPC in humans. Methods Blood samples were taken from young and aged, male and female volunteers before (control) and after RIPC (RIPC). To investigate the protective potency of the different plasma groups obtained from the human volunteers, isolated perfused hearts of young rats were used as bioassay. For this, hearts were perfused with the volunteer plasma (0.5% of coronary flow) before hearts underwent global ischemia and reperfusion. In addition, to characterize the protective potency of humoral factor(s) after RIPC to initiate protection not only in young but also aged hearts, plasma from young male volunteers were transferred to isolated hearts of aged rats. At the end of the experimental protocol, infarct sizes were determined by TTC-staining (expressed as % of left ventricle). Results RIPC plasma of young male volunteers reduced infarct size in young rat hearts from 47 ± 5 to 31 ± 10% (p = 0.02). In contrast, RIPC plasma of aged male volunteers had no protective effect. Infarct size after application of control plasma of young female volunteers was 33 ± 10%, and female RIPC plasma did not lead to an infarct size reduction. RIPC plasma of old female initiated no cardioprotection. RIPC plasma of young male volunteers reduced infarct size in isolated hearts from aged rats (41 ± 5% vs. 51 ± 5%; p < 0.001). Conclusions The release ... |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| تدمد: | 1479-5876 |
| العلاقة: | http://link.springer.com/article/10.1186/s12967-018-1480-0Test; https://doaj.org/toc/1479-5876Test; https://doaj.org/article/c27bbfc48eba4ef5a072d10b36b40f24Test |
| DOI: | 10.1186/s12967-018-1480-0 |
| الإتاحة: | https://doi.org/10.1186/s12967-018-1480-0Test https://doaj.org/article/c27bbfc48eba4ef5a072d10b36b40f24Test |
| رقم الانضمام: | edsbas.EE57BD08 |
| قاعدة البيانات: | BASE |
Full Text Finder | تدمد: | 14795876 |
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| DOI: | 10.1186/s12967-018-1480-0 |