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In the present study, we investigated the neurotoxicity of bisphenol A [BPA; 2,2-bis-(4 hydroxyphenyl) propane] and the underlying mechanisms of action in mouse hippocampal HT-22 cells. BPA, known to be a xenoestrogen, is used in the production of water bottles, cans, and teeth suture materials. BPA-treated HT-22 cells showed lower cell viability than did(More)
Central cord syndrome (CCS) is extremely rare as a direct consequence of generalized epileptic seizure. CCS is associated with hyperextension of the spinal cord and has characteristic radiologic findings including posterior ligamentous injury and prevertebral hyperintensity following magnetic resonance imaging (MRI). We experienced the case of a 25-year-old(More)
BACKGROUND Mesoporous silica (MPS) nanoparticles (NPs), which have a unique pore structure and extremely large surface area and pore volume, have received much attention because of their biomedical application potential. Using MPS NPs for biomedical devices requires the verification of their biocompatibility because the surface area of NPs is one of the(More)
Allergic diseases such as atopic dermatitis, rhinitis, asthma, and anaphylaxis are attractive research areas. Tyrosol (2-(4-hydroxyphenyl)ethanol) is a polyphenolic compound with diverse biological activities. In this study, we investigated whether tyrosol has anti-allergic inflammatory effects. Ovalbumin-induced active systemic anaphylaxis and(More)
Bisphenol AF (BPAF), a newly introduced chemical structurally related to bisphenol A, is used extensively in fluoroelastomers and polyesters, and has been known to induce estrogen-dependent responses. However, the toxicity of BPAF is largely unknown except for its endocrine-related effects. In this study, we investigated the neurotoxicity of BPAF and(More)
BACKGROUND Pedicled transverse rectus abdominis musculocutaneous flaps typically sacrifice the entire muscle. In our experience, the lateral strip of the rectus abdominis muscle can be spared in an attempt to maintain function and reduce morbidity. When the intercostal nerves are injured, muscle atrophy appears with time. The severed intercostal nerve was(More)
Ischiofemoral impingement syndrome is known as one of the causes of hip pain due to impingement of ischium and femur, and usually correlated with trauma or operation. We report a rare case of ischiofemoral impingement syndrome that has no history of trauma or surgery. A 48-year-old female patient was referred for 2 months history of the left hip pain,(More)
As PI3K/Akt signaling is frequently deregulated in a wide variety of human tumors, PI3K inhibitors are an emerging class of drugs for cancer treatment. The monitoring of the drug behavior and distribution in the biological system can play an important role for targeted therapy and provide information regarding the response or resistance to available(More)
BACKGROUND This study evaluated the activity of the frontalis muscle, the corrugator supercilii muscle, and the orbicularis oculi muscle according to eyebrow movement and aging. METHODS Two random cohorts of women aged 20 to 30 years (young group, n = 20; mean age, 24.8 years) and 50 to 70 years (old group, n = 20; mean age, 55.8 years) were recruited(More)
Four-dimensional, cone-beam CT (4D CBCT) substantially reduces respiration-induced motion blurring artifacts in three-dimension (3D) CBCT. However, the image quality of 4D CBCT is significantly degraded which may affect its accuracy in localizing a mobile tumor for high-precision, image-guided radiation therapy (IGRT). The purpose of this study was to(More)