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IUPAC-PSK40: N-Channel Organic Field-Effect Transistors and Structure-Property Relationship
Min Jae Sung,Alessandro Luzio,Won-Tae Park,Ran Kim,Eliot Gann,Francesco Maddalena,Giuseppina Pace,Yong Xu,Dario Natali,Carlo de Falco,Long Dang,Christopher R. McNeill,Mario Caironi,Yong-Young Noh,Yun- 한국고분자학회 2016 한국고분자학회 학술대회 연구논문 초록집 Vol.41 No.2
Kweh Mercedes F.,Parks Megan,Salerno Alessandro,Vaughn Natalie E.,White Ian A. 대한창상학회 2023 Journal of Wound Management and Research Vol.19 No.1
Full-thickness burns almost always require skin grafting because the severity prevents the natural regenerative process. Here, we illustrate the potential to promote natural skin regeneration utilizing growth factors and regenerative proteins in purified amniotic fluid (PAF). A 24-year-old female suffered from full-thickness burns to her legs resulting from a rogue firework. This initiated a treatment plan involving extensive rehabilitation and skin grafting. Instead, the patient was treated with PAF (4 mL) administered topically over 2 days. Forty-five minutes following application, her pain decreased from 10/10 to 2/10. After two treatments her overall recovery time decreased by 75%–leaving her physicians surprised at the obviated need for skin grafting. Topical PAF relieved pain within minutes, making it easier to clean the affected area, enhancing sleep, and allowing more range of motion and autonomy. The efficiency of PAF to reduce pain allowed the patient to discontinue the use of prescribed hydrocodone, an opioid that is fueling an epidemic of abuse and addiction. Accelerated recovery time allowed the patient to return to work sooner, having broader economic implications on medical costs and personal time off. Finally, PAF enhanced the body’s own capacity to heal itself, avoiding painful and costly grafting and decreasing additional donor site scarring.
Verrienti, Pierangelo,Cito, Gianmartin,Maida, Fabrizio Di,Tellini, Riccardo,Cocci, Andrea,Minervini, Andrea,Natali, Alessandro The Korean Society for Reproductive Medicine 2022 Clinical and Experimental Reproductive Medicine Vol.49 No.1
The angiotensin-converting enzyme 2 receptor (ACE2) appears to be widely expressed in cells in the testes, predominantly in spermatogonia, Sertoli cells, and Leydig cells, and its co-expression with transmembrane protease serine 2 (TMPRSS2) is essential for the entry of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). For this reason, the male reproductive system could be considered a potential target for SARS-CoV-2, as well as a possible reservoir of infection. However, to date, there is very little evidence about the presence of SARS-CoV-2 in semen and testicular samples. The aim of this paper was to review the current evidence regarding the impact of SARS-CoV-2 on male fertility and sexual health, with a particular focus on reproductive hormones, the presence of the virus in seminal fluid and testis, and its impact on fertility parameters. We found very limited evidence reporting the presence of SARS-CoV-2 in semen and testicular samples, and the impact of SARS-CoV-2 on reproductive hormones and fertility parameters is unclear. The quality of the examined studies was poor due to the small sample size and several selection biases, precluding definitive conclusions. Hence, future well-designed prospective studies are needed to assess the real impact of SARS-CoV-2 on male reproductive function.
Gianmartin Cito,Maria Elisabetta Coccia,Francesco Sessa,Andrea Cocci,Pierangelo Verrienti,Rita Picone,Rossella Fucci,Luciana Criscuoli,Sergio Serni,Marco Carini,Alessandro Natali 대한남성과학회 2019 The World Journal of Men's Health Vol.37 No.1
Purpose: The aim was to describe our preliminary experience performing testicular fine-needle aspiration (TEFNA) with a larger needle in infertile patients with obstructive azoospermia, and to provide a systematic literature review of the different testicular sperm aspiration techniques, according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement recommendations. Materials and Methods: We prospectively collected data between March 2017 and June 2018. All men underwent bilateral TEFNA under analgo-sedation, using a larger disposable 18-gauge butterfly needle with 60 mL Luer-Lock syringe attached to it. Results: Thirty consecutive patients were enrolled. Median operative time was 16 minutes (interquartile range [IQR]: 12–30 minutes). No intraoperative complications occurred. Two/thirty patients (6.7%) reported postoperative adverse events: 1 pa-tient had prolonged orchialgia, 1 patient presented scrotal hematoma. Successful sperm retrieval was found in 28/30 cases (93.3%). Median sperm concentration was 0.05 ×106/mL (IQR: 0.001–0.1 ×106/mL). Median total sperm motility was 10% (IQR: 0%–15%). In 20/30 men (66.7%) sperm retrieved was used for fresh intracytoplasmic sperm injection cycle, in 8/30 (26.7%) sperm cryopreservation was necessary, because on the day of sperm retrieval the female resulted not responder to ovarian stimulation. In this cases mean number of 3 (IQR: 1–4) bio system straws was cryopreserved. Conclusions: TEFNA with 18-gauge needle proved to be a feasible, safe and effective treatment, even if future prospective studies will be addressed to clarify what type of azoospermia benefits from this procedure, and if a larger needle permits to improve Assisted Reproductive Technologies (ART) outcomes.
Vitamin D and Male Fertility: An Updated Review
Gianmartin Cito,Andrea Cocci,Elisabetta Micelli,Alejandro Gabutti,Giorgio Ivan Russo,Maria Elisabetta Coccia,Giorgio Franco,Sergio Serni,Marco Carini,Alessandro Natali 대한남성과학회 2020 The World Journal of Men's Health Vol.38 No.2
To date, the key role of vitamin D in male reproductive system has been suggested, since the expression of vitamin D receptors and metabolizing enzymes was demonstrated in the testis and spermatozoa. Nevertheless, a general consensus about the role of vitamin D in male fertility is still debated. The aim of this review is to provide an updated systematic revision of the current available literature, discussing the experimental and clinical evidence on the role of vitamin D in the regulation of testis hormone production, seminal parameters and male fertility. The consequences of vitamin D deficiency on serum levels of testicular hormones have been analysed by several observational and interventional studies, with controversial results. Equally, the experimental researches not were able to state a certain relationship between vitamin D status and testis hormone production. Possible bias, including age, body mass index, and baseline vitamin D status justified the differences among studies. As well as concerning the effect of vitamin D on semen parameters, most of the studies agreed in the possibility that vitamin D might have a positive effect on human male fertility potential, particularly through better sperm motility. Regarding pregnancy outcomes, normal level of vitamin D seems to be related to better pregnancies. However, all the previous studies displayed a wide heterogeneity in study design, population, methodology, and cut off values used for the evaluation of vitamin D status. Future studies are needed to better clarify the exact role of vitamin D on hormonal and seminal panel in both fertile and infertile men.