• Molecules and Cells
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• 제46권3호
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• pp.153-164
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• 2023

Cancer stem cells (CSCs) are a small population of tumor cells characterized by self-renewal and differentiation capacity. CSCs are currently postulated as the driving force that induces intra-tumor heterogeneity leading to tumor initiation, metastasis, and eventually tumor relapse. Notably, CSCs are inherently resistant to environmental stress, chemotherapy, and radiotherapy due to high levels of antioxidant systems and drug efflux transporters. In this context, a therapeutic strategy targeting the CSC-specific pathway holds a promising cure for cancer. NRF2 (nuclear factor erythroid 2-like 2; NFE2L2) is a master transcription factor that regulates an array of genes involved in the detoxification of reactive oxygen species/electrophiles. Accumulating evidence suggests that persistent NRF2 activation, observed in multiple types of cancer, supports tumor growth, aggressive malignancy, and therapy resistance. Herein, we describe the core properties of CSCs, focusing on treatment resistance, and review the evidence that demonstrates the roles of NRF2 signaling in conferring unique properties of CSCs and the associated signaling pathways.

• 한국전문물리치료학회지
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• 제30권4호
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• pp.253-260
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• 2023

Cerebral palsy (CP) is a prevalent neurodevelopmental disorder characterized by motor and postural impairments caused by central nervous system dysfunction. It significantly impacts children's daily functioning and quality of life. Physical therapy is a crucial intervention for children with CP that aims to improve motor skills and functional abilities. This study aimed to provide a comprehensive overview of holistic physical therapy approaches methods specifically designed for children with CP and examine recent research trends and their implications for optimizing outcomes in this population. This study employed a narrative review approach, conducting a comprehensive examination of the current literature pertaining to physical therapy methods for children with CP. The review encompassed studies exploring assessment techniques, evidence-based interventions, and innovative approaches in the field. It was discerned that encompassing physical therapy strategies, which encompass individualized treatment plans, evidence-based interventions, and the integration of innovative techniques, yield a favorable influence on the motor skills and functional capacities of children with CP. This review synthesizes the current knowledge on effective physical therapeutic strategies for children with CP. Furthermore, this review highlights the need for continued research and innovation in the field of pediatric physical therapy for CP.

• 한국동물위생학회지
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• 제47권2호
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• pp.95-100
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• 2024

An 11-year-old neutered male Dachshund dog weighing 7 kg presented with acute onset of respiratory distress after subcutaneous administration of cytosine arabinoside (CA). The patient previously diagnosed with meningoencephalitis of unknown origin and was being treated with oral prednisolone, levetiracetam, potassium bromide, gabapentin, and periodic subcutaneous CA administration (50 mg/m², q 12 h, subcutaneous, 4 times, every 3 weeks). The patient developed tachypnea with labored respiratory effort after 9th CA administration. Thoracic radiograph revealed bilateral diffuse interstitial to alveolar pulmonary opacities, and echocardiogram indicated no evidence of left-sided heart failure. Based on the onset coinciding with the administration of CA, low possibility of other pulmonary disease, remission of symptom showed after discontinuation of CA, we suspected CA-induced interstitial lung disease. The patient's pulmonary opacities on the radiograph improved to a similar degree as before the adverse event over time, but respiratory symptoms were not fully resolved. Sildenafil (2 mg/kg, per oral, q 12 h) was given as therapeutic trial to manage possible pulmonary hypertension, suspected a sequela of the lung disease, based on an echocardiographic evidence and clinical signs. The patient's respiratory symptom was well managed since, and achieved discontinuation of sildenafil.

• 대한감각통합치료학회지
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• 제16권2호
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• pp.64-74
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• 2018

목적 : 뇌성마비 아동의 상지기능을 향상시키기 위해 국내에서 사용되고 있는 중재방법의 종류와 그 효과를 체계적 고찰방법을 사용하여 국내에서 사용되는 치료경향을 제시하고자 한다. 연구방법 : 연구 대상은 2008년 이후로 국내학회지에 게재된 연구를 대상으로 하였다. 누리미디어(DBpia), 스콜라(Scholar), 한국사회과학데이터(KSDC), 학술연구정보서비스(RISS), 그리고 한국학술정보(KISS)의 데이터베이스를 사용하여 '뇌성마비', '상지 기능', '손 기능'의 검색어를 사용하였다. 총 12개의 연구로 근거의 질적 수준, 방법론적 질적 수준으로 분석한 후 대상자(Patient), 중재(Intervention), 대조(Comparison), 결과(Outcome)의 PICO로 제시하였다. 결과 : 분석에 포함된 연구에서 근거기반 실행의 질적 수준은 수준 IV와 수준 V가 가장 많았고, 방법론적 질적 수준은 '우수'의 연구가 가장 많았다. 대상자는 편마비 아동을 대상으로 한 연구가 가장 많았고, 실험설계는 단일대상연구 및 사례연구가 높았다. 중재의 종류는 강제유도운동치료가 가장 많았고, 평가는 젭슨테일러 손기능 검사 빈도가 높았다. 총 11개의 연구에서 뇌성마비 아동의 상지기능에서 유의한 향상 또는 긍정적인 효과가 나타났다. 결론 : 국내에서 뇌성마비 아동의 상지기능을 향상시키기위해 다양한 중재방법이 시행되어 왔다. 앞으로 마비 유형별에 따른 중재방법에 대한 연구와 근거의 질적수준이 높은 연구가 지속적으로 이루어져야 할 것이다.

• Annals of Clinical Neurophysiology
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• 제6권2호
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• pp.92-97
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• 2004

Background: There were several studies comparing prognostic factors in Guillain-Barre syndrome treated with intravenous immunoglobulin and plasmapheresis. However, there were controversies in what were significant factors and there were few studies so far comparing the therapeutic outcomes in patients treated with immunoglobulin. This study was aimed to determine the prognostic factors which affected the therapeutic outcome of Guillain-Barre syndrome treated with intravenous immunoglobulin. Method: We retrospectively reviewed the medical records of patients with Guillain-Barre syndrome admitted to our hospital between January 1999 and March 2004. All patients were treated with intravenous immunoglobulin. Outcome and prognosis were followed up after four weeks using the overall disability sum score. Results: Thirty-six patients were enrolled in this study. According to the clinical and electrophysiological findings, 17 patients were AIDP, 10 were axonal forms, two were mixed and seven had electrophysiologically no evidence of abnormalities. At a follow-up of four weeks, disabilities at the nadir (p<0.001) and admission (P<0.012), initial manifestations of bulbar symptom (P<0.024) and electrodiagnostic features (P<0.013) were significantly correlated with outcome in patients treated with intravenous immunoglobulin. But only disabilities at the nadir (P<0.033) and electrodiagnostic features (P<0.018) were significant in the multivariate logistic regression analysis. Conclusion: Among the patient treated with intravenous immunoglobulin, the outcomes were significantly different according to the neurological status at the nadir. Therefore early diagnosis, administration of intravenous immunoglobulin and preventing complications during acute stages are essential to minimize neurological deficit and shorten the periods of recovery.

• Biomolecules & Therapeutics
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• 제26권6호
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• pp.553-559
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• 2018

Investigations into the development of new therapeutic agents for lung inflammatory disorders have led to the discovery of plant-based alternatives. The rhizomes of Anemarrhena asphodeloides have a long history of use against lung inflammatory disorders in traditional herbal medicine. However, the therapeutic potential of this plant material in animal models of lung inflammation has yet to be evaluated. In the present study, we prepared the alcoholic extract and derived the saponin-enriched fraction from the rhizomes of A. asphodeloides and isolated timosaponin A-III, a major constituent. Lung inflammation was induced by intranasal administration of lipopolysaccharide (LPS) to mice, representing an animal model of acute lung injury (ALI). The alcoholic extract (50-200 mg/kg) inhibited the development of ALI. Especially, the oral administration of the saponin-enriched fraction (10-50 mg/kg) potently inhibited the lung inflammatory index. It reduced the total number of inflammatory cells in the bronchoalveolar lavage fluid (BALF). Histological changes in alveolar wall thickness and the number of infiltrated cells of the lung tissue also indicated that the saponin-enriched fraction strongly inhibited lung inflammation. Most importantly, the oral administration of timosaponin A-III at 25-50 mg/kg significantly inhibited the inflammatory markers observed in LPS-induced ALI mice. All these findings, for the first time, provide evidence supporting the effectiveness of A. asphodeloides and its major constituent, timosaponin A-III, in alleviating lung inflammation.

• Asian Pacific Journal of Cancer Prevention
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• 제14권7호
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• pp.4033-4039
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• 2013

Links between cancer and metabolism have been suggested for a long time but compelling evidence for this hypothesis came from the recent molecular characterization of the LKB1/AMPK signaling pathway as a tumor suppressor axis. Besides the discovery of somatic mutations in the LKB1 gene in certain type of cancers, a critical emerging point was that the LKB1/AMPK axis remains generally functional and could be stimulated by pharmacological molecules such as metformin in cancer cells. In addition, AMPK plays a central role in the control of cell growth, proliferation and autophagy through the regulation of mTOR activity, which is consistently deregulated in cancer cells. Targeting of AMPK/mTOR is thus an attractive strategy in the development of therapeutic agents against non-small-cell lung cancer (NSCLC). In this review, the LKB1/AMPK/mTOR signaling pathway is described, highlighting its protective role, and opportunities for therapeutic intervention, and clinical trials in NSCLC.

• Journal of Microbiology and Biotechnology
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• 제20권5호
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• pp.935-941
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• 2010

The emergence of antibiotic-resistant bacterial strains is one of the most critical problems of modern medicine. Bacteriophages have been suggested as an alternative therapeutic agent for such bacterial infections. In the present study, we examined the therapeutic potential of phage Kpn5 in the treatment of Klebsiella pneumoniae B5055-induced burn wound infection in a mouse model. An experimental model of contact burn wound infection was established in mice employing K. pneumoniae B5055 to assess the efficacy of phage Kpn5 in vivo. Survival and stability of phage Kpn5 were evaluated in mice and the maximum phage count in various organs was obtained at 6 h and persisted until 36 h. The Kpn5 phage was found to be effective in the treatment of Klebsiella-induced burn wound infection in mice when phage was administered immediately after bacterial challange. Even when treatment was delayed up to 18 h post infection, when all animals were moribund, approximately 26.66% of the mice could be rescued by a single injection of this phage preparation. The ability of this phage to protect bacteremic mice was demonstrated to be due to the functional capabilities of the phage and not due to a nonspecific immune effect. The levels of pro-inflammatory cytokines (IL-$1{\beta}$ and TNF-${\alpha}$) and anti-inflammatory cytokines (IL-10) were significantly lower in sera and lungs of phage-treated mice than phage untreated control mice. The results of the present study bring out the potential of bacteriophage therapy as an alternate preventive approach to treat K. pneumoniae B5055-induced burn wound infections. This approach not only helps in the clearance of bacteria from the host but also protects against the ensuing inflammatory damage due to the exaggerated response seen in any infectious process.

• 대한통합의학회지
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• 제6권4호
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• pp.111-125
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• 2018

Purpose : Cachexia, is a complex metabolic syndrome associated with underlying illness and characterized by loss of muscle with or without loss of fat mass. Patients with cachxia shows various symptoms including fatigue, anxiety, pain, sleep disorders, and poor appetite. Medications therapy, dietary and exercise therapy, and emotional support are recommended to treat patients with cachexia. However, evidence-based research verifying the role of exercise therapy in patients with cachexia is limited. The purpose of this study was to investigate the effects of therapeutic exercise on fatigue and anxiety in patients with cachexia. Methods : Case report. A 29-year-old woman was diagnosed with cachexia. Following 2 weeks of inpatient and 4 weeks of out-patient treatment. we assessed her weight, as well as pain, fatigue, and anxiety level. As an the patient exercised for an hour 5 times a week for 2 weeks,-and during the outpatient visit, she exercised for an hour twice a week for 4 weeks. Her weight was measured using a weighting scale. Pain was assessed using the visual analog scale, and fatigue and anxiety levels were assessed using questionnaires. Results : Following 6 weeks of treatment, exercise therapy a positively affected the patient's weight, as well as pain, fatigue, and anxiety levels. We observed a weight gain of 4.5 kg, pain reduction of 5.1 points. Fatigue reduction of 43 points, anxiety reduction of total 41 points. Conclusion : Exercise therapy positively affects weight, as well as pain, fatigue, and anxiety levels in patients with cachexia. However, generalization of this observation is inappropriate based on this single case study.

• 대한한의학방제학회지
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• 제27권1호
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• pp.45-52
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• 2019

Objectives : Hyperthermia is a widely used therapeutic tool for cancer therapy and a well-known inducer of apoptosis. Although the Cinnamomi cortex (CC) is a potent anticancer agent for several human carcinomas, it is less potent in the human U937 cell line. To explore any enhancing effects of CC with hyperthermia induced apoptosis, this study investigated the combined effects and apoptotic mechanisms of hyperthermia and CC in U937 cells. Methods : U937 cells were heat treated at $43^{\circ}C$ for 30 min with or without pre-treatment for 1h with CC and then incubated at $37^{\circ}C$ with 5% $CO_2$. Cell viability was analyzed by MTT assay and Trypan blue assay. Morphological changes reflecting apoptosis were visualized under microscope. Synergy effect of CC combined with hyperthermia were calculated by Compusyn software. The expression of proteins related to apoptosis and signaling pathways was determined by western blotting. Results : Hyperthermia with CC reduced cell viability and induced apoptosis. Combined hyperthermia and CC treatment markedly augmented apoptosis by upregulating proapoptotic proteins and suppressing antiapoptotic proteins, culminating in caspase-3 activation. Furthermore, the combined treatment, decreased the expression of in Bcl-2 family, cyclin D1, VEGF, MMP2 and MMP9 expression. Conclusion : This study provides compelling evidence that hyperthermia, in combination with CC, is a promising therapeutic strategy for enhancement of apoptosis and suggests a promising therapeutic approach for cancer.