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Alcohol Intoxication and Glasgow Coma Scale Scores in Patients with Head Trauma
( Jisoo Park ),( Taejin Park ),( Jung-in Ko ),( Woonhyung Yeo ) 대한외상학회 2020 大韓外傷學會誌 Vol.33 No.4
Purpose: Alcohol intoxication is commonly associated with traumatic brain injury (TBI), but the inf luence of alcohol on the Glasgow Coma Scale (GCS) score remains unclear. This study investigates the effects of blood alcohol concentration (BAC) on the GCS score in head trauma patients with alcohol intoxication. Methods: In total, 369 head trauma patients with alcohol intoxication in a 1-year period were retrospectively analyzed. The patients underwent head computed tomography and had a BAC ≥80 mg/dL. Patients were divided into TBI and non-TBI groups. Brain injury severity was further classified using the head Abbreviated Injury Score (AIS). The effects according to 5 BAC groups were examined. Results: The TBI group consisted of 64 patients (16.2%). The mean BAC was significantly higher in the non-TBI group (293.4±87.3 mg/dL) than in the TBI group (242.8±89.9 mg/dL). The mean GCS score was significantly lower in the TBI group (10.3±4.6) than in the non-TBI group (13.0±2.5). A higher BAC showed a significant association with a lower mean GCS score in the TBI group, but not in the non-TBI group. Above ≥150 mg/dL, higher BACs showed significant odds ratios for a lower GCS score. Conclusions: The influence of alcohol in patients with head trauma depended on the presence of a brain injury. An association between a higher BAC and a lower GCS score was only observed in patients with TBI. Therefore, if a severe brain injury is suspected based on a GCS evaluation in patients with alcohol intoxication, prompt diagnosis and intensive care should be performed without delay.
Jisoo Park,Yuri Lee 글로벌지식마케팅경영학회 2016 Global Marketing Conference Vol.2016 No.7
When substitute products are recommended, online consumers are more likely to evaluate products based on concrete attributes than abstract attributes and to perceive subordinate attributes as more important. When complementary products are recommended, concrete or subordinate attributes considered relatively less important, leading to less choice difficulty during the comparison process.
Jisoo Park,Eun Young Eo,Kyoung-Hee Lee,Jong Sun Park,Jae-Ho Lee,Chul-Gyu Yoo,Choon-Taek Lee,조영재 대한중환자의학회 2015 Acute and Critical Care Vol.30 No.3
Background: Arginine vasopressin (AVP) is widely used as a vasopressor agent. Some recent studies have suggested that AVP may exert an immunomodulatory effect. However, the mechanism about the anti-inflammatory effect of AVP is not well known. We investigated the effect of AVP on the ihibitor of kappa B (IκBα)/nuclear factor-kappa B (NF-κB) pathway in RAW 264.7 cells. Methods: Cultured RAW 264.7 cells were pretreated with AVP and stimulated with lipopolysaccharide (LPS). To evaluate the effect of AVP on inflammatory cytokines, the concentration of interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) were assessed by an enzyme-linked immunosorbent assay technique. The expression of IκBα and nuclear translocation of NF-κB p65 were measured by Western blotting, and IκB kinase (IKK) activity was analyzed by an in vitro immune complex kinase assay. To confirm the AVP effect on IκBα/NF-κB cascade and via V2 receptor, we added tolvaptan (V2 receptor antagonist) after AVP pretreatment. Results: The increase of IL-6 and TNF-α in LPS-stimulated RAW 264.7 cells was suppressed by a treatment with AVP. Pretreatment of AVP inhibited increasing of IKK activity and IκBα degradation induced by LPS in RAW 264.7 cells. Furthermore, LPS induced and NF-κB transcription was inhibited by AVP pretreatment. The observed changes in IKK activity, IκBα degradation and NF-κB transcription by AVP was abolished by tolvaptan treatment. Conclusions: Our results suggest that AVP showed anti-inflammatory effect on LPS-induced IκBα/NF-κB cascade in mouse macrophages via V2 receptors.
Affinity Peptide Directed Site-specific Conjugation of IgG via a Facile Photocrosslinking
Jisoo PARK,Yeaji LEE,Tae Hyeon YOO 한국생물공학회 2021 한국생물공학회 학술대회 Vol.2021 No.10
Antibody-based conjugates have become an essential component in a variety of applications from immunoassays especially to drug conjugates because of their proven efficacy and selectivity to target cancer cell. Herein, we describe a peptide-directed photo-crosslinking reaction as a novel site-specific conjugation method of IgG using an Fc-binding peptide and a photoreactive amino acid analogue for generation homogeneous IgG-toxin conjugates.
Park, DoYeun,Park, JiSoo,Jang, Heeyeong,Cheng, Jie,Hyun Kim, Soo,Lee, Sang-Hoon IOP Publishing 2017 Biofabrication Vol.9 No.2
<P>Microfibers produced using electrospinning and microfluidics-based technologies have been developed as a powerful tool in tissue engineering applications such as drug delivery and scaffolds. The applications of these fibers, however, have been limited because of the hazardous solvents used to make them, difficulties in controlling the pore sizes of their membrane forms, and downscaling the size of the fiber. Nevertheless, extending the use of these fibers, for example in the production of a freestanding porous membrane appropriate for cell-based research, is highly needed for tissue engineering, organ-on-a-chip, and drug delivery research and applications. Here, we fabricated a freestanding porous membrane by using a novel method that involved simultaneously spinning multiple strands of submicron-thick 'noodle-like' fibers. In addition to the novelty of the single noodle fiber in overcoming the size-reducing limitations of conventional microfluidic spinning methods, these fibers can hence form the units of 'noodle membranes' whose pores have sizes that the convention electrospinning method cannot achieve. We confirmed the potential of the noodle membrane to serve as a free-standing porous membrane in two simple experiments. Also, we found that noodle membranes have an advantage in loading different amounts of different materials in itself that it was also shown to be of use as a new type of scaffold for complex tissue regeneration. Therefore, the proposed noodle membrane can be an effective tool in tissue engineering applications and biological studies.</P>