• 성인간호학회지
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• 제25권5호
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• pp.483-493
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• 2013

Purpose: The purpose of this study was to examine late-onset hypogonadism, erectile dysfunction, depression, and quality of life among middle-aged male workers. Methods: The subjects included 343 men aged between 40 and 64, responded to self-report questionnaires on general characteristics, late-onset hypogonadism, erectile dysfunction, depression, and quality of life. Data were collected from May 16, 2012 to October 9, 2012 and analyzed using t-test, ANOVA, $x^2$-test, hierarchical multiple regression. Result: The prevalence rate of late-onset hypogonadism was 63.8% with high points in reduction of libido, energy, physical strength and endurance, and erectile function. There were significant differences in late-onset hypogonadism according to age($x^2$=8.98, p=.048) and in erectile dysfunction according to age(F=11.03, p<.001), monthly income(F=2.84, p=.024) and smoking( t=2.96, p=.018). Significant differences were also found in depression according to educational level(F=8.12, p<.001) and in quality of life according to monthly income(F=7.21, p<.001). The factors which influenced quality of life were late-onset hypogonadism, erectile dysfunction, depression, marital status and religion. Conclusion: Symptoms of erectile dysfunction can be improved by smoking cessation education program. In order to improve the life quality of middle-aged men, nursing intervention programs that would both provide proper knowledge on climacteric syndrome and alleviate symptoms should be designed while, at the same time, other programs to evaluate, prevent and control depression are developed.

• 동의생리병리학회지
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• 제33권2호
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• pp.89-101
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• 2019

In recent times, the number of men with late-onset hypogonadism has increased, and interest on this topic has also increased. This study was conducted to investigate effects of the mixture extract of Fructus amomi Amari, Eucommiae cortex, Bombyx batryticatus on improve late-onset hypogonadism. The experimental subjects consisted of three groups: a control group consisting of 8-week-old male ICR mice that had undergone no treatment, an aging-elicited group (AE group) consisting of 50-week-old ICR male mice that had undergone no treatment, and a Mixed herbal extract treatment group (MT group) consisting of 50-week-old ICR male mice that had undergone the mixture extract of Fructus amomi Amari, Eucommiae cortex, Bombyx batryticatus treatment (0.1 g/kg/day) for 6 months. After the experiment, the mice from all the experimental groups were dissected, and they were analyzed through histochemical and immunohistochemical methods. The mixture extract of Fructus amomi Amari, Eucommiae cortex, Bombyx batryticatus reduces aging-induced cell damage and oxidative stress and increases the secretion of serotonin and B-endorphin in aged mice, and promotes spermatogenesis in seminiferous tubules and reduces apoptosis and oxidative stress, and increases androgen receptor, $17{\beta}-HSD$ and GnRH, increases the ratio of smooth muscle to collagen fibers in the corpus cavernosum, increases eNOS, decreases PDE-5 and oxidative stress in aged mice, so it improves depression, reproductive, sexual problems caused by Late-onset hypogonadism. the mixture extract of Fructus amomi Amari, Eucommiae cortex, Bombyx batryticatus inhibits the induction of osteoporosis by increasing decreased bone matrix distribution due to aging, increasing the activities of OPC and OPN, which are produced in osteoblasts, and decreasing RANKL, MMP-3 activity, increasing OPG activity. It also reduces muscle damage, oxidative stress, inflammation and apoptosis of muscle tissue, and increases Myo-D in the sartorius muscle of aged mice for improving muscle atrophy caused by by Late-onset hypogonadism.

• 동의생리병리학회지
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• 제31권6호
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• pp.367-373
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• 2017

This study was performed using histochemical and immunohistochemical methods to investigate the effect of Gami-Shinkiwhan(GS) on reproductive function of male aged mice. 8-weeks-old ICR mice were used as control group, without any treatment, and 15-month-old ICR mice were used as aging elicited group(AE) and Gami-Shinkiwhan treatment group(GS). AE group didn't restrict diets and drinking for 6 months without any treatment. GS was administered 0.56g/kg/day for 6 months. Compared with AE group, the cell division of sertoli cells, spermatids, and spermatogonial cells was increased and the apoptosis of sertoli cells was decreased on GS group. Androgen receptor positive reaction and $17{\beta}$-HSD positive reaction were significantly increased in the GS group compared to AE group. In addition, the DJ-1 positive reaction was significantly increased and the HDAC3 positive response was significantly decreased in the GS group compared with AE group. Based on the above results, GS prevented the apoptosis of sertoli cells in the tubules, and increased the production of sertoli cells, spermatozoa and testosterone. Based on this, it is thought that it improves male reproductive dysfunction caused by late-onset hypogonadism.

• 동의생리병리학회지
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• 제28권5호
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• pp.558-564
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• 2014

The purpose of this study was to investigate the clinical results of the 10 male climateric syndrome cases while treated with Singi-hwan. All patients were treated with Singi-hwan two times a days for 5 weeks. We checked testosterone, PSA in blood, HRV and AMS questionnaire score. The questionnaire score was improved after taking Singi-hwan. Stress resistance and autonomic nervous system activity is increased, but there was no statistical significance except for ApEn. Taking Singi-hwan did not affect the serum concentration of testosterone, PSA and blood biochemical tests. The next placebo-controlled studies about late onset hypogonadism treated with Singi-hwan are needed.

• Biomolecules & Therapeutics
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• 제21권2호
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• pp.153-160
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• 2013

We screened the pharmacological effects of a 50% ethanol extract of Yacon tubers and leaves on spermatogenesis in rats. As a result, we found that Yacon tuber extracts increased sperm number and serum testosterone level in rats. It has been reported that the crude extract of Yacon tubers and leaves contain phenolic acids, such as, chlorogenic acid, ferulic acid and caffeic acid by HPLC/MS analysis. We were interested in the contributions made by phenolic acid, particularly chlorogenic acid of Yacon tuber extract to the spermatogenic activity. After administering Yacon tuber extract or chlorogenic acid to rats for 5 weeks, numbers of sperm in epididymis were increased by 34% and 20%, respectively. We also administered ferulic acid, which has been reported to be a metabolite of chlorogenic acid and a constituent of Yacon tuber extract to investigate its spermatogenic activity in rats. Yacon tuber extract and ferulic acid increased sperm numbers by 43% and 37%, respectively. And, Yacon tuber extract, and chlorogenic acid showed significantly inhibition effect of testoeterone degradation in rat liver homogenate. We considered that the spermatogenic effect of Yacon tuber extract might be related to phenolic compounds and their inhibitory effect of testosterone degradation. Yacon showed the possibility as ameliorable agents of infertility by sperm deficiency and late onset hypogonadism syndrome with low level of testosterone.

• Journal of Applied Biological Chemistry
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• 제63권4호
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• pp.451-455
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• 2020

Testosterone deficiency syndrome (TDS), also known as late-onset hypogonadism, is a clinical and biochemical syndrome associated with advanced age and characterized by deficient serum testosterone levels. The Elaeagnus multiflora fruit (EMF) and Cynanchum wilfordii (CW) have been used in traditional herbal medicine. This study aimed to investigate the therapeutic effects of EMF and CW mixtures (at the ratios of 3:7, 5:5, and 7:3) on TDS using TM3 cells and aging male rats. EMF, and mixtures of EMF and CW (at the ratios of 3:7, 5:5, and 7:3) significantly increased testosterone levels in TM3 cells (p <0.05). The rats were orally administered EMCW (EMF and CW mixed at the ratio of 3:7 50, 100 and 200 mg/kg/day) for 4 weeks consecutively. After 4 weeks of EMCW administration, latency time on the rotarod test, and serum testosterone and dehydroepiandrosterone sulfate levels were significantly increased (p <0.05 and p <0.01). Moreover, the levels of globulin-bound sex hormones were decreased in the EMCW-fed groups. However, prostate-specific antigen levels did not differ among the groups. These results suggest that EMCW can be effectively used to alleviate TDS.