scholarly journals The role of parent-initiated motivational climate in the development of overtraining syndrome in adolescent elite athletes: a review study

2017 ◽  
Vol 11 (1) ◽  
pp. 269-284
Author(s):  
Zuzana Frydrychová ◽  
Kateřina Bartošová ◽  
Sára Hutečková
2017 ◽  
Vol 11 (1) ◽  
pp. 151-164
Author(s):  
Sára Hutečková ◽  
Kateřina Bartošová ◽  
Zuzana Frydrychová

Author(s):  
Nikolaos Sofikitis ◽  
Aris Kaltsas ◽  
Fotios Dimitriadis ◽  
Jens Rassweiler ◽  
Nikolaos Grivas ◽  
...  

The therapeutic range of cyclic nucleotide phosphodiesterase 5 inhibitors (PDE5) inhibitors is getting wider in the last years. This review study focuses on the potential employment of PDE5 inhibitors as an adjunct tool for the therapeutic management of male infertility. The literature tends to suggest a beneficial effect of PDE5 inhibitors on Leydig and Sertoli cells secretory function. It also appears that PDE5 inhibitors play a role in the regulation of the contractility of the testicular tunica albuginea and the epididymis. Moreover scientific data suggest that PDE5 inhibitors enhance the prostatic secretory function leading to an improvement in sperm motility. Other studies additionally demonstrate a role of PDE5 inhibitors in the regulation of sperm capacitation process. Placebo-controlled, randomized, blind studies are necessary to unambiguously incorporate PDE5 inhibitors as an adjunct tool for the pharmaceutical treatment of semen disorders and male infertility.


2018 ◽  
Vol 15 (9) ◽  
pp. 877-882 ◽  
Author(s):  
Blanka Klimova ◽  
Kamil Kuca ◽  
Martin Valis ◽  
Jakub Hort

Background: Currently, there is a significant increase in the number of older generation groups, which may result in serious economic and social issues. Therefore, there is a need to prolong the active life of these older individuals, especially by focusing on modifying lifestyle factors such as healthy nutrition. In fact, recent research has shown that, for example, nuts are an important part of people’s healthy diet because they have appeared to be neuroprotective compounds which might maintain or in some cases even improve people’s cognitive functions. Objective: The purpose of this review study is to explore the role of the nut nutrition in the maintenance and delay of cognitive decline among older individuals. Results: The findings indicate that the nut consumption may contribute to the delay of cognitive decline in aging. However, this nut diet is just one component of the multi-nutrient dietary intervention for health aging. Conclusion: More longitudinal controlled randomized studies have to be performed in this field to prove the efficacy of the nut nutrition for the delay of cognitive decline.


2011 ◽  
Vol 25 (1) ◽  
pp. 32-46 ◽  
Author(s):  
Dany J. MacDonald ◽  
Jean Côté ◽  
Mark Eys ◽  
Janice Deakin

2021 ◽  
Vol 21 ◽  
Author(s):  
Tahereh Zadeh Mehrizi

: Today, Platelets and platelet-derived nanoparticles and microparticles have found many applications in nanomedical technology. The results of our review study show that no article has been published in this field to review the current status of applications of these platelet derivatives so far. Therefore, in present study, our goal is to compare the applications of platelet derivatives and review their latest status between 2010 and 2020 to present the latest findings to researchers. A very interesting point about the role of platelet derivatives is the presence of molecules on their surface which makes them capable of hiding from the immune system, reaching different target cells, and specifically attaching to different cell types. According to the results of this study, most of their applications include drug delivery, diagnosis of various diseases, and tissue engineering. However, their application in drug delivery is limited due to heterogeneity, large size, and the possibility of interference with cellular pathways in microparticles derived from other cells. On the other hand, platelet nanoparticles are more controllable and have been widely used for drug delivery in treatment of cancer, atherosclerosis, thrombosis, infectious diseases, repair of damaged tissue, and photothermal therapy. The results of this study show that platelet nanoparticles are more controllable than platelet microparticles and have a higher potential for use in medicine.


Tehnika ◽  
2021 ◽  
Vol 76 (4) ◽  
pp. 509-520
Author(s):  
Nemanja Majstorović ◽  
Vidosav Majstorović ◽  
Radivoje Mitrović ◽  
Žarko Mišković

Basics: Industry 4.0 is a realized reality, which already today has a growing application in medicine and dentistry. So, at this moment, its application is especially important in the fight against covid-19. Aim of the paper: The purpose of this review paper is to understand the role of Industry 4.0 in the field of medicine and dentistry and to identify research directions, including future applications, especially for covid-19. Material and method: A detailed analysis of papers on Industry 4.0 in medicine, dentistry and related fields was performed and possible applications and directions of research were identified, especially for covid-19.Result: Through this review study, we identified different technologies, opportunities and research status of Industry 4.0 in the field of medicine, dentistry and covid-19 pandemic, through 19 areas of application. We can say that Industry 4.0 will become an essential part of tomorrow's smart factory of medical and dental devices. Conclusion: Industry 4.0 shows a wide range of possibilities for the production of newly adapted implants (medical and dental) and innovative tools and instruments for the field of medicine and dentistry. This model enables the creation of a digital clinic and digital office, with a complete system of medical and dental monitoring, which meets the individual requirements of the patient, thus creating the industry of medicine and dentistry with optimization of treatment time and costs. In the future, Industry 4.0 will create new capabilities and innovative protocols for the treatment and care of patients, both in medicine and dentistry.


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