Publications by authors named "Eui Ju Hong"

The mechanisms underlying exercise-induced insulin sensitization are of great interest, as exercise is a clinically critical intervention for diabetic patients. Some microRNAs (miRs) are secreted from skeletal muscle after exercise where they regulate insulin sensitivity, and have potential as diagnostic markers in diabetic patients. miR-204 is well-known for its involvement in development, cancer, and metabolism; however, its role in exercise-induced glycemic control remains unclear.

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  • Non-alcoholic fatty liver disease (NAFLD) is characterized by excessive fat accumulation in the liver and is often linked to unhealthy diets, particularly the overconsumption of soft drinks and Western diets.
  • The study explores the efficacy of hemp sprout-derived exosome-like nanovesicles (HSNVs) in preventing liver fibrosis and gut permeability issues associated with NAFLD by administering these nanovesicles to mice on a high-fat diet.
  • Results showed that HSNVs significantly reduced oxidative stress and fibrosis markers in liver tissues, as well as improved gut barrier function, suggesting their potential as a protective treatment against liver damage caused by poor dietary habits.
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Porcine epidemic diarrhea virus is attenuated upon adaptation to cell culture. Exclusively genomic mutations have been traced to the ORF3 gene of the laboratory strains. Previous attempts to express the protein were unsuccessful.

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Obesity is associated with an increased incidence of asthma. However, the mechanisms underlying this association are not fully understood. In this study, we investigated the role of thioredoxin-interacting protein (TXNIP) in obesity-induced asthma.

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  • Green tea extract (GTE) has been shown to reduce inflammation in asthmatic mice, though the exact mechanisms are still not completely understood.
  • In a study, GTE was tested on mice with allergic asthma caused by ovalbumin (OVA) sensitization, showing decreased airway hyperresponsiveness and inflammatory cell counts compared to untreated groups.
  • The findings indicate that GTE effectively reduces key inflammatory markers and airway mucus production, suggesting its potential as a treatment for asthma.
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Alzheimer's disease (AD) is the leading cause of dementia and is one of the neurodegenerative diseases that are caused by neuronal death due to various triggers. Neuroinflammation plays a critical role in the development of AD. The neuroinflammatory response is manifested by pro-inflammatory cytokines, such as interleukin (IL)-1β, IL-6, and tumor necrosis factor-α; various chemokines; nitrous oxide; and reactive oxygen species.

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Proper placental development in early pregnancy ensures a positive outcome later on. The developmental relationship between the placenta and embryonic organs, such as the heart, is crucial for a normal pregnancy. However, the mechanism through which the placenta influences the development of embryonic organs remains unclear.

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Progesterone (P4) is a crucial reproductive hormone that acts as a precursor for all other endogenous steroids. P4 modulates transcriptional activity during reproduction by binding to progesterone receptors (PR). However, the physiological role of P4 in the liver is understudied.

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  • Dysregulation of liver sinusoidal endothelial cell (LSEC) function is linked to alcohol-associated liver disease (ALD), with a focus on impaired nitric oxide (NO) production.
  • The study reveals that thioredoxin-interacting protein (TXNIP) is upregulated in ALD and is crucial for maintaining NO levels; decreased TXNIP in endothelial cells worsens liver damage and inflammation.
  • The interaction between TXNIP and the TAK1 pathway is significant; enhancing TXNIP may provide a new therapeutic strategy for treating ALD by restoring NO production and reducing liver injury.
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Although the use of incision-free endoscopy for foreign body (FB) removal in dogs and cats has been extensively documented, its application in birds remains limited. Thus, we present the endoscopic removal of gastrointestinal (GI) FBs from psittacine birds, employing different patient positioning and anesthesia methods. Two blue-and-yellow macaws () and a Triton cockatoo () were examined.

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  • - Bisphenol A (BPA) is known to disrupt hormones and is being replaced by alternatives like Bisphenol S (BPS) and Bisphenol F (BPF), which also exhibit similar endocrine-disrupting properties.
  • - A study was conducted where pregnant mice were exposed to BPS and BPF to assess their effects on neurobehavioral development in their offspring.
  • - Results indicated that while BPS and BPF did not impact behaviors related to anxiety, depression, locomotion, memory, or cognition, they did reduce the mice's preference for social interactions, suggesting an effect on social behaviors specifically.
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Endoplasmic reticulum (ER) stress is a condition in which the ER protein-folding machinery is impaired, leading to the accumulation of improperly folded proteins and triggering an unfolded-protein response. Excessive ER stress causes cell death and contributes to the development of chronic diseases. Interestingly, there is a bidirectional relationship between ER stress and the nuclear factor-kappa B (NF-κB) pathway.

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  • The study explored how gestational diabetes mellitus (GDM) affects the remodeling of the placenta and uterus, specifically focusing on the role of estradiol.
  • In vitro and in vivo models were created using human placental cells and pregnant rats treated with streptozotocin to simulate GDM conditions.
  • Results showed increased levels of anti-angiogenic factors and disrupted angiogenesis in placentas, alongside decreased factors in the uterus, suggesting that GDM hampers both placental blood vessel formation and uterine remodeling, while also raising estradiol levels to possibly help maintain pregnancy.
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Inflammation is a natural defense mechanism against noxious stimuli, but chronic inflammation can lead to various chronic diseases. Neuroinflammation in the central nervous system plays an important role in the development and progression of neurodegenerative diseases. Polyphenol-rich natural products, such as (), are known to have anti-inflammatory and antioxidant properties and can provide treatment strategies for neurodegenerative diseases by controlling neuroinflammation.

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Alcohol-associated liver disease (ALD) is caused by excessive abuse of alcohol. One of the most representative causes of ALD is the action of acetaldehyde. Acetaldehyde is a toxic material produced when alcohol is metabolized through some enzymes, and it causes endoplasmic reticulum (ER) stress, mitochondrial dysfunction, and tissue injury.

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Heart failure (HF) is an emerging epidemic with a high mortality rate. Apart from conventional treatment methods, such as surgery or use of vasodilation drugs, metabolic therapy has been suggested as a new therapeutic strategy. The heart relies on fatty acid oxidation and glucose (pyruvate) oxidation for ATP-mediated contractility; the former meets most of the energy requirement, but the latter is more efficient.

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Nicotinamide riboside (NR) is considered a super-supplement that prevents obesity and diabetes. While NR has been investigated for various effects depending on nutritional conditions, metabolic research on women and pregnant women has rarely been discussed. In this study, we focused on the glycemic control of NR in females and found the protective role of NR in pregnant animals under hypoglycemic conditions.

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Backgrounds And Aims: Type 2 diabetes mellitus (T2D) is a chronic disease characterized by insulin resistance and hyperglycemia. To investigate T2D, genetic and chemical induced hyper-obese rodent models have been experimentally developed. However, establishment of moderate-obese diabetes model will confer diverse opportunities for translational studies.

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We report a species of diplostomid fluke recovered from 3 carcasses of wild Korean raccoon dog, Nyctereutes procyonoides koreensis, in Korea. A total of 107 diplostomid flukes were recovered from the small intestines of Korean raccoon dogs, which were obtained from the Gangwon Wildlife Medical Rescue Center. Worms fixed with 10% neutral formalin were subjected to microscopic observation and those fixed in 70% ethanol were used for molecular genomic analysis.

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Polycystic Ovarian Syndrome (PCOS) is known to be an endocrine state that is characterized by oligomenorrhea, hyperandrogenism, and highly cystic follicles in the ovaries. The use of food ingredients and traditional medicine in Asian countries is well known, and previous studies have shown that K. [Alariaceae] (EC) is able to alleviate PCOS symptoms.

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In this study, we investigated the correlation between the mechanism involved in porcine epidemic diarrhea virus (PEDV) replication and autophagic flux. In this study, we found that as PEDV replicated, production of LC3-II was significantly induced up to 24 h post-infection (hpi). Interestingly, although there was significant production of LC3-II, greater p62 accumulation was simultaneously found.

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Neurodegenerative diseases (ND) are being increasingly studied owing to the increasing proportion of the aging population. Several potential compounds are examined to prevent neurodegenerative diseases, including Curcumae radix, which is known to be beneficial for inflammatory conditions, metabolic syndrome, and various types of pain. However, it is not well studied, and its influence on energy metabolism in ND is unclear.

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Background: Skeletal muscle is responsible for free fatty acid (FFA) disposal via mitochondrial respiration and fatty acid oxidation (FAO). Obesity triggers high levels of circulating FFAs, which can cause intramuscular lipid (IMCL) deposition. Diverse phytochemicals, including crude Castanea crenata inner shell extract (CCE), have been shown to possess an anti-obesity effect.

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