Publications by authors named "Ji-Wook Jung"

: Extracorporeal membrane oxygenation (ECMO) is an accommodation of the cardiopulmonary bypass technique that can support gas exchange and hemodynamic stability. It is used as a salvage maneuver in patients with life-threatening respiratory or cardiac failure that does not respond to conventional treatment. There are few case reports of successful perioperative use of ECMO, especially preoperatively, in liver transplantation (LT).

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  • - The study compared postoperative nausea and vomiting (PONV) rates in patients undergoing tympanoplasty with mastoidectomy, using either remimazolam or sevoflurane as anesthetics.
  • - Results showed that PONV within the first 12 hours was significantly lower in the remimazolam group compared to the sevoflurane group (28.9% vs. 57.9%).
  • - While remimazolam was associated with lower early PONV severity and fewer adverse hemodynamic events, there was no difference in delayed PONV rates or overall recovery profiles between the two groups.
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Background: Remimazolam is a novel benzodiazepine with fast onset and short half-life. We compared the effects of remimazolam and propofol on recovery profiles for general anesthesia in patients undergoing laparoscopic cholecystectomy.

Methods: We randomly assigned 108 patients to either a remimazolam (n=54) or propofol (n=54) group.

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Nakai (AK) leaf reportedly ameliorates health problems, such as diabetes. However, the effects of AK on cognitive dysfunction or memory impairment remain unclear. This study investigated whether AK leaf extract could attenuate cognitive impairment.

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Remimazolam is a newly approved benzodiazepine characterized by rapid onset, predictable maintenance, fast recovery, and availability of a reversal agent. We describe four cases of patients who received monitored anesthesia care with remimazolam for gynecological day surgery.

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Tracheal tumor resection and reconstruction is the primary treatment for tracheal tumors. The trachea is the surgical site as well as an important channel to ensure ventilation and maintain oxygenation during surgery. In this report, we describe the successful management of an upper tracheal tumor in a 50-year-old patient.

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Stress is an important neurological input for successful life. However, chronic stress and stress hormones could be a cause of various neurological disorders including anxiety disorders. Therefore, there have been many efforts to find effective materials for curing stress-induced neurological disorders.

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  • Amyloid β (Aβ) plaque is a key feature of Alzheimer's disease (AD), but targeting multiple related pathologies is necessary for effective treatment.
  • The study examined the effects of ethanol extract from Perilla frutescens leaves on AD using 5XFAD mice, finding that it can block and disassemble Aβ aggregates.
  • ELPF treatment improved memory function and reduced Aβ deposits and neuroinflammation in the mice, suggesting it could be a potential therapy for Alzheimer's disease.
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Objective: To determine the effects of Hydrangeae Dulcis Folium (EHDF) on physical stress, changes in the whole-body cortisol level and behaviour in zebrafish (Danio rerio).

Methods: One hundred and seventy-four fish were randomly divided into 4 [adrenocorticotropin hormone (ACTH) challenge test: 4 fish per group] or 6 groups (behavioural test: 10-12 fish per group, whole-body cortisol: 4 fish per group). Net handling stress (NHS) was used to induce physical stress.

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  • - Alzheimer's disease (AD) is a common neurodegenerative disorder with no current drug to slow its progression, leading to a search for new treatment options.
  • - β-Amyrin, found in tomato wax and dandelion coffee, has shown potential in improving memory issues related to cholinergic dysfunction and blocking Aβ-induced impairments in brain function.
  • - Experimental results indicated that β-amyrin can enhance memory and support neurogenesis in AD mouse models, suggesting it could be a promising candidate for AD treatment or as a dietary supplement.
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Ethnopharmacological Relevance: The fruit of Crataegus pinnatifida is a traditional medicine widely used as digestive drug in East Asia. Although Chinese herbal medicine used it for mental health, scientific evidence does not exist, yet.

Aims Of Study: The aim of this study is to show that the ethanol extract of the fruit of Crataegus pinnatifida (CPE) has neuroprotective effect on Alzheimer' disease model mice.

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Artemisia capillaris Thunberg is a medicinal plant used as a traditional medicine in many cultures. It is an effective remedy for liver problems including hepatitis. Recent pharmacological reports have indicated that Artemisia species can exert various neurological effects.

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Ethnopharmacological Relevance: Aubang Gahl Soo (AGS) is a Korean traditional drink manufactured from medicinal plants and fruits using sugar or honey. Although traditional old book stated its effects on body, there is no scientific evidence yet. Therefore, in the present study, we tested AGS on brain functions.

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We investigated the cellular and molecular mechanisms mediating the effects of Nakai extract (AGNE) through the mitogen-activated protein kinases (MAPKs)/NF-B pathway using and atopic dermatitis (AD) models. We examined the effects of AGNE on the expression of proinflammatory cytokines and chemokines in human mast cell line-1 (HMC-1) cells. Compound 48/80-induced pruritus and 2,4-dinitrochlorobenzene- (DNCB-) induced AD-like skin lesion mouse models were also used to investigate the antiallergic effects of AGNE.

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Ziziphus jujuba is a plant, which bears fruits and seeds that are used for medicinal purposes in Traditional oriental medicine. The seed of Zizyphus jujuba var. spinosa (EZJ) has been also traditionally used for psychiatric disorders in Chinese and Korean medicines.

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  • - This study aimed to explore the anti-inflammatory effects of Angelica gigas Nakai, rich in decursin and decursinol angelate, on a mouse model of ulcerative colitis induced by dextran sulfate sodium (DSS).
  • - Researchers tracked the health of the mice by measuring weight loss, stool consistency, and colon length, and performed histological analysis, finding that AGNE treatment improved these metrics and reduced inflammation markers like IL-6 and TNF-α.
  • - The results suggest that AGNE not only alleviates clinical symptoms of ulcerative colitis but also reduces the activity of key inflammatory mediators, indicating its potential as a therapeutic option.
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Aging leads to functional changes in the brain and decreases ability of learning and memory. Neurite outgrowth is important in learning and memory, therefore regulation of neurite outgrowth might be a candidate for treating aged brain. Echinocystic acid (EA), a pentacyclic triterpene, has shown to exert various neurological effects.

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  • - The byproduct from traditional hot water extraction of Hizikia fusiforme, rich in polysaccharides (HFB), was tested for its effects on bone formation and resorption using osteogenic cells and animal models.
  • - HFB increased alkaline phosphatase activity in mouse cells, suppressed acid phosphatase activity in macrophages, and enhanced key signaling pathways associated with bone formation.
  • - In live models, HFB promoted skeletal development in zebrafish, reduced bone density loss in ovariectomized mice, and improved bone formation in mouse skulls, demonstrating its potential as both a bone resorption inhibitor and a bone formation enhancer.
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Consumption of high doses of ethanol can lead to amnesia, which often manifests as a blackout. These blackouts experienced by ethanol consumers may be a major cause of the social problems associated with excess ethanol consumption. However, there is currently no established treatment for preventing these ethanol-induced blackouts.

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Memory impairment is a common after an ischemic stroke. While delayed neuronal death in the CA1 region is usually linked to cerebral ischemia-induced memory impairment, the role of early immature neuronal death within the DG region in the memory state of an ischemic stroke model has rarely been studied. Here, we show a partial role of immature neuronal death in memory impairment in a global ischemia model.

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Ethnopharmacological Relevance: Tea infused with the seed of Cassia obtusifolia has been traditionally used as an herbal remedy for liver, eye, and acute inflammatory diseases. Recent pharmacological reports have indicated that Cassiae semen has neuroprotective effects, attributable to its anti-inflammatory actions, in ischemic stroke and Parkinson's disease models.

Aim Of The Study: Previously, the ethanol extract of C.

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Ethnopharmacological Relevance: Danggui-Jakyak-San (DJS), a traditional herbal prescription, has long been used to treat gerontological disorders due to insufficient blood supply.

Aim Of The Study: Previously, we reported that DJS increased hippocampal neurogenesis and enhanced learning and memory. However, the precise mechanism of DJS and its effects on learning and memory are still not well understood.

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Background: Psychological stressors may cause affective disorders, such as depression and anxiety, by altering expressions of corticotropin releasing factor (CRF), serotonin (5-HT), and tyrosine hydroxylase (TH) in the brain. This study investigated the effects of essential oil from Asarum heterotropoides (EOAH) on depression-like behaviors and brain expressions of CRF, 5-HT, and TH in mice challenged with stress.

Methods: Male ICR mice received fragrance inhalation of EOAH (0.

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Long-term stress is known to cause aberrant synaptic plasticity and to impair learning and memory. Recent studies show that acute high concentration of glucocorticoids exerts similar effects to those of long-term stress. In the present study, we conducted an electrophysiological study, western blot analysis, and behavioral study to examine whether long-term stress and acute high concentration of corticosterone share common mechanisms.

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