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( Seongho Woo ),( Kwangohk Jun ),( Hyoshin Eo ),( Koowon Mo ),( Sunyoung Joo ),( Donghwi Park ),( Chung Reen Kim ) 대한물리치료학회 2023 대한물리치료학회지 Vol.35 No.6
A 30-year-old male novice golfer was diagnosed with a clay-shoveler’s fracture. During golf practice, he experienced persistent posterior neck and upper back pain for a month. Cervical radiographs and computed tomography revealed a series of sequential spinous process fractures from C7 to T3. The patient was prescribed analgesic medication and fitted with a cervical brace alongside extracorporeal shockwave therapy (ESWT) directed explicitly toward the upper back region, subsequently leading to a notable reduction in pain. Therefore, ESWT could be considered an additional method for pain management in patients with clay-shoveler’s fractures.
Jin Woo Kim,Seongho Jin,Dongwook Kim,Sukbok Chang 대한화학회 2021 Bulletin of the Korean Chemical Society Vol.42 No.3
Herein, we describe the mechanistic details on the oxidatively induced reductive elimination of isolated methyl iridium and ruthenium metallacycle complexes. It was demonstrated that the otherwise challenging C─C bond formation is indeed facilitated by external oxidation, being enabled under mild conditions. Computational analyses supported the proposed high-valent pathway, where the energy barrier for reductive elimination significantly decreases upon the metallic oxidation to facilitate the desired C─C bond formation.
경도인지장애에서 알츠하이머병으로의 이환 예측 : 복잡한 일상생활 수행능력의 역할
우수경(Soo Kyung Woo),배성호(Seongho Bae),김지혜(Ji Hae Kim),김도관(Doh Kwan Kim) 대한노인정신의학회 2021 노인정신의학 Vol.25 No.1
Objective: This study aimed to investigate the association with the functioning of instrumental-activities of daily living (I-ADL) and future development of Alzheimer’s disease (AD) in persons with mild cognitive impairment (MCI). Methods: A total of 116 patients with MCI, aged 65 years to 91 years (male: 88, female: 91 at first visit), from a large hospital center in Korea, were identified. Those who developed at least two consecutive 1-year follow up were diagnosed according to the DSM-5 criteria. Results: When the same level of Mini Mental State Examination (MMSE) scores was given, it could be seen that the probability of AD transfer was predicted differently due to complex changes in I-ADL scores. Specifically, it was observed that with an MMSE score of approximately 23.9 points, as the I-ADL points increase, the odds of transfer also increase approximately 6.1% (I-ADL low: 8.5 points) to 23.5% (I-ADL high: 31.4), therefore odds of transfer are 17.4% higher than I-ADL low condition. Conclusion: The study suggested that even though cognitive problems were not observed due to high MMSE scores, severe damage to I-ADL could lead to AD. Applications may be limited, but such cases may require careful monitoring at the site.
Jeon, So Yeon,Seo, Seongho,Lee, Jae Sung,Choi, Soo-Hee,Lee, Do-Hyeong,Jung, Ye-Ha,Song, Man-Kyu,Lee, Kyung-Jun,Kim, Yong Chul,Kwon, Hyun Woo,Im, Hyung-Jun,Lee, Dong Soo,Cheon, Gi Jeong,Kang, Do-Hyung Williams & Wilkins Co 2017 Medicine Vol.96 No.1
ABSTRACT: Complex regional pain syndrome (CRPS) is characterized by severe and chronic pain, but the pathophysiology of this disease are not clearly understood. The primary aim of our case–control study was to explore neuroinflammation in patients with CRPS using positron emission tomography (PET), with an 18-kDa translocator protein specific radioligand [C]-(R)-PK11195. [C]-(R)-PK11195 PET scans were acquired for 11 patients with CRPS (30–55 years) and 12 control subjects (30–52 years). Parametric image of distribution volume ratio (DVR) for each participant was generated by applying a relative equilibrium-based graphical analysis. The DVR of [C]-(R)-PK11195 in the caudate nucleus (t(21) = −3.209, P = 0.004), putamen (t(21) = −2.492, P = 0.022), nucleus accumbens (t(21) = −2.218, P = 0.040), and thalamus (t(21) = −2.395, P = 0.026) were significantly higher in CRPS patients than in healthy controls. Those of globus pallidus (t(21) = −2.045, P = 0.054) tended to be higher in CRPS patients than in healthy controls. In patients with CRPS, there was a positive correlation between the DVR of [C]-(R)-PK11195 in the caudate nucleus and the pain score, the visual analog scale (r = 0.661, P = 0.026, R = 0.408) and affective subscales of McGill Pain Questionnaire (r = 0.604, P = 0.049, R = 0.364). We demonstrated that neuroinflammation of CRPS patients in basal ganglia. Our results suggest that microglial pathology can be an important pathophysiology of CRPS. Association between the level of caudate nucleus and pain severity indicated that neuroinflammation in this region might play a key role. These results may be essential for developing effective medical treatments.
Silk Amino Acids Improve Physical Stamina and Male Reproductive Function of Mice
Shin, Sunhee,Yeon, Seongho,Park, Dongsun,Oh, Jiyoung,Kang, Hyomin,Kim, Sunghyun,Joo, Seong Soo,Lim, Woo-Taek,Lee, Jeong-Yong,Choi, Kyung-Chul,Kim, Ki Yon,Kim, Seung Up,Kim, Jong-Choon,Kim, Yun-Bae Pharmaceutical Society of Japan 2010 Biological & pharmaceutical bulletin Vol.33 No.2
<P>The effects of a silk amino acid (SAA) preparation on the physical stamina and male reproductive function of mice were investigated. Eight-week-old male ICR mice (29—31 g) were orally administered SAA (50, 160 or 500 mg/kg) for 44 d during 30-min daily swimming exercise. The mice were subjected to a weight-loaded (5% of body weight) forced swimming on the 14th, 28th and 42nd day to determine maximum swimming time, and after a 2-d recovery period (treated with SAA without swimming exercise), parameters related to fatigue and reproductive function were analyzed from blood, muscles and reproductive organs. Repeated swimming exercise increased the maximum swimming time to some extent, in spite of a marked reduction in body weight gain, and SAA further enhanced the stamina in a dose-dependent manner. Forced swimming exercises increased blood parameters of tissue injury, but depleted blood glucose and tissue glycogen, which were substantially prevented by SAA treatment. In addition, SAA significantly reduced the muscular thiobarbituric acid-reactive substances and blood corticosterone content increased by forced swimming. Swimming exercise decreased the blood testosterone level, which was recovered by SAA, leading to enhanced sperm counts. These combined results indicate that SAA not only enhances physical stamina by minimizing damage to tissues, including muscles, as well as preventing energy depletion caused by swimming stress, but also improves male reproductive function by increasing testosterone and sperm counts.</P>