• 대한약학회:학술대회논문집
• /
• 대한약학회 2002년도 Proceedings of the Convention of the Pharmaceutical Society of Korea Vol.2
• /
• pp.351.3-353
• /
• 2002

Oxygen radicals are produced in many pathophysiologic states whether the event is a causal factor of illness or is a result of their progression. Oxygen radicals including superoxide anions. hydrogen peroxide are thought to be involved in a number of type of acute. and chronic pathologic condition in the brain and neural tissue. So the antioxidants have recently received much attention as therapeutic agent for the treatment of neurodegenerative disease. In this study. we describe synthesis of a series of chromenone derivatives as antioxidant agents. The target compounds are designed to include the structural frature of caffeic acid. flavoniod. and focopherol known as antioxidants.

• BMB Reports
• /
• 제54권3호
• /
• pp.149-156
• /
• 2021

The well-known second messenger cyclic adenosine monophosphate (cAMP) regulates the morphology and physiology of neurons and thus higher cognitive brain functions. The discovery of exchange protein activated by cAMP (Epac) as a guanine nucleotide exchange factor for Rap GTPases has shed light on protein kinase A (PKA)-independent functions of cAMP signaling in neural tissues. Studies of cAMP-Epac-mediated signaling in neurons under normal and disease conditions also revealed its diverse contributions to neurodevelopment, synaptic remodeling, and neurotransmitter release, as well as learning, memory, and emotion. In this mini-review, the various roles of Epac isoforms, including Epac1 and Epac2, highly expressed in neural tissues are summarized, and controversies or issues are highlighted that need to be resolved to uncover the critical functions of Epac in neural tissues and the potential for a new therapeutic target of mental disorders.

• 대한한의학회지
• /
• 제42권1호
• /
• pp.129-135
• /
• 2021

Objectives: The present study reports case of an elderly kwashiorkor patient who was treated with Korean Medicine. Methods: A 68-year-old female patient with weight loss, general weakness, chills, anorexia, and dizziness after over 100 episodes of diarrhea visited the hospital. Blood tests showed hypoalbuminemia and anemia, and ultrasonography revealed fatty liver disease. The patient was diagnosed with kwashiorkor, and her symptom differentiation was Yang deficiency followed by Both Qi-Blood deficiency. Sayeok-Tang, Soshiho-Tang, Insamyangyeong-Tang, and Gongjin-Dan, herbal drugs, were given to the patient during 40 days of hospitalization. Results: After 40 days of hospitalization, her symptoms were reduced, and the blood test results improved. Conclusion: This case presents the therapeutic potential of Korean medicine in the treatment of kwashiorkor.

• 대한한의학회지
• /
• 제41권4호
• /
• pp.52-63
• /
• 2020

Objectives: In this study, we investigated the effects of Pueraria lobata Ohwi flower extracts (PLFE) on macrophages and their underlying mechanism(s) of action. PLFE increased the production of NO and cytokines (IL-6 and TNF-𝛼) in a dose-dependent manner, indicating its immunostimulatory property. Furthermore, PLFE upregulated iNOS, COX-2, and mitogen-activated protein kinase (MAPK) signaling in RAW264.7 cells. Additionally, PLFE enhanced the phosphorylation of I𝜅B𝛼 and subsequent I𝜅B𝛼 degradation, thereby enabling the nuclear translocation of NF-𝜅B. Taken together, these findings demonstrate that the immunostimulatory effects of PLFE are mediated by the nuclear translocation of the p65 subunit of NF-𝜅B and subsequent secretion of cytokines (IL-6 and TNF-𝛼), upregulation of iNOS and COX-2, and stimulation of MAPK signaling (JNK, ERK, and p38). Thus, PLFE may be a potential immunostimulatory therapeutic.

• Journal of Ginseng Research
• /
• 제46권2호
• /
• pp.183-187
• /
• 2022

The current Covid-19 pandemic has changed the entire world and bought so many unprecedented challenges to the scientific community. More than 5 million people died due to the SARS-COV-2 outbreak. For many thousands of years, ginseng, the traditional herb has been used for various infectious diseases by traditional healers. Ginseng showed promising antiviral effects by modulating both natural and acquired immunity. Ginseng might be used as a potential therapeutic agent to prevent SARS-CoV-2 infection along with the vaccine. In this current review, we offer an alternative approach for SARS-COV-2 prevention during this unprecedented pandemic.

• 대한한의학회지
• /
• 제43권2호
• /
• pp.110-116
• /
• 2022

Objectve: To inform a clinical usefulness of Nangan-geon (暖肝煎) decoction to treat a refractory abdominal pain especially in eldery. Methods: This case report presents an 85-year old male patient who had been suffered with a refractory abdominal pain without any abnormality in laboratory test and radiological examination for 5-years. The clinical outcome was observed by numerical rating scale (NRS) of self-reporting method. Results: Based on his previous multiple normal examination results from Western hospitals and clinical features including thin body (19.6 BMI), nocturnal pain around lower abdomen and cold-sensitivity, author diagnosed him as "deficiency and cold of liver-Qi (肝氣虛寒)" similar to intestinal spasm. After prescription with Nangan-geon (暖肝煎) for one month, all symptoms became improved notably (NRS 5), and almost completely recovered as a level of normal condition in 3 months (NRS 1). Conclusion: This study would show the potential of traditional Korean medicine (TKM) therapies for a refractory functional abdominal pain, and especially efficacy of Nangan-geon against cold-pattern of nonspecific abdominal pain in elderly patients.

• Molecules and Cells
• /
• 제45권6호
• /
• pp.353-361
• /
• 2022

Chronic rhinosinusitis (CRS) is a multifactorial, heterogeneous disease characterized by persistent inflammation of the sinonasal mucosa and tissue remodeling, which can include basal/progenitor cell hyperplasia, goblet cell hyperplasia, squamous cell metaplasia, loss or dysfunction of ciliated cells, and increased matrix deposition. Repeated injuries can stimulate airway epithelial cells to produce inflammatory mediators that activate epithelial cells, immune cells, or the epithelial-mesenchymal trophic unit. This persistent inflammation can consequently induce aberrant tissue remodeling. However, the molecular mechanisms driving disease within the different molecular CRS subtypes remain inadequately characterized. Numerous secreted and cell surface proteins relevant to airway inflammation and remodeling are initially synthesized as inactive precursor proteins, including growth/differentiation factors and their associated receptors, enzymes, adhesion molecules, neuropeptides, and peptide hormones. Therefore, these precursor proteins require post-translational cleavage by proprotein convertases (PCs) to become fully functional. In this review, we summarize the roles of PCs in CRS-associated tissue remodeling and discuss the therapeutic potential of targeting PCs for CRS treatment.

• 대한한의학회지
• /
• 제42권3호
• /
• pp.139-152
• /
• 2021

Objectives: The purpose of this review is to investigate the latest traditional Chinese medicine clinical studies on pediatric tic disorder with Tuina treatment and propose the directions of future studies and clinical applications. Methods: To obtain data from CNKI, set the field by '中醫學', '中藥', '中西醫結合' and used keywords '抽动障碍', '抽動穢語綜合', '小兒抽动', '兒童抽动' and '推拿', '導引', '按摩', 'Tuina', 'massage' in cross combination way. Results: 12 clinical studies were selected. These studies were analyzed by author & year, subjects, diagnostic criterion, evaluation criterion, syndrome differentiation, treatment period, methods& results, frequent acupoints and assessment of the quality of studies. All of reports achieved effective therapeutic results on the pediatric tic disorder with Tuina treatment. Conclusion: Tuina treatment has a positive effect and are easily accepted by children who have fear and rejection to traditional Korean Medicine such as acupuncture and Herbal remedy. It is also safe and simple to operate. So the Tuina treatment is worthy to disseminate potential for further development in the treatment of pediatric tic disorders.

• Tuberculosis and Respiratory Diseases
• /
• 제85권3호
• /
• pp.221-226
• /
• 2022

Chronic obstructive pulmonary disease (COPD) is characterized by airflow limitation due to chronic airway inflammation and destruction of the alveolar structure from persistent exposure to oxidative stress. The body has various antioxidant mechanisms for efficiently coping with such oxidative stress. The nuclear factor erythroid 2-related factor 2 (Nrf2)-antioxidant response element (ARE) is a representative system. Dysregulation of the Nrf2-ARE pathway is responsible for the development and promotion of COPD. Furthermore, COPD severity is also closely related to this pathway. There has been a clinical impetus to use Nrf2 for diagnostic and therapeutic purposes. Therefore, in this work, we systematically reviewed the clinical significance of Nrf2 in COPD patients, and discuss the value of Nrf2 as a potential COPD biomarker.

• BMB Reports
• /
• 제54권11호
• /
• pp.569-574
• /
• 2021

Vascular calcification is the heterotopic accumulation of calcium phosphate salts in the vascular tissue and is highly correlated with increased cardiovascular morbidity and mortality. In this study, we found that the expression of neuromedin B (NMB) and NMB receptor is upregulated in phosphate-induced calcification of vascular smooth muscle cells (VSMCs). Silencing of NMB or treatment with NMB receptor antagonist, PD168368, inhibited the phosphate-induced osteogenic differentiation of VSMCs by inhibiting Wnt/β-catenin signaling and VSMC apoptosis. PD168368 also attenuated the arterial calcification in cultured aortic rings and in a rat model of chronic kidney disease. The results of this study suggest that NMB-NMB receptor axis may have potential therapeutic value in the diagnosis and treatment of vascular calcification.