This study is to determine the preventive effect and mechanism of targeting IL-17A on pulmonary inflammation and fibrosis after acute lung injury. Mice were treated with anti-IL-17A antibody on the day 7 and sacrificed on the day 14 after bleomycin lung injury. The pulmonary inflammatory status and the deposition of collagen were measured by HE and Sirius stains staining. The contents of hydroxyproline and collagen were measured by using commercial kits. The survival rate of mice was calculated by Kaplan-Meier methods. The inflammatory cytokines in bronchoalveolar lavage fluid were measured by ELISA and the expressions of inflammation-related molecules were detected by Western blotting assay. Targeting of IL-17A could prevent the development of lung inflammation, decrease collagen deposition and the contents of hydroxyproline, and protect against the development of pulmonary fibrosis, which together led to an increase in the animal survival. Moreover, blocking IL-17A decreased the expression ofpro-fibrotic cytokines such as IL-17A, TGF-beta1 and IL-13; increased the expression of anti-fibrotic or anti-inflammatory factors such as IFN-gamma, COX-2, 5-LOX, 15-LOX. Indeed, IL-17A antagonism suppressed the activation of pro-inflammatory p65NF-kappaB but enhanced the activation of pro-resolving p50NF-kappaB. In conclusion, that blockade of IL-17A prevents the development of pulmonary fibrosis from acute lung injury, is because blocking IL-17A may prevent acute inflammation converting to chronic inflammation.

Sclerosing polycystic adenosis (SPA) of the salivary glands is a rare entity analogous to fibrocystic disease of the breast. Less than 50 cases of SPA have been published in the literature. We report the first Korean case of SPA of the right parotid gland. A 34-year-old man presented with a slowly growing right parotid mass. Computed tomography showed a relatively well-demarcated, heterogeneously enhancing mass with multiple small calcifications. Fine needle aspiration showed cohesive sheets of epithelial cells with granular oncocytic cytoplasm and scattered lymphocytes. The parotidectomy specimen showed a 3 cm-sized solid nodular lesion with small cysts. Microscopically, the lesion was an unencapsulated mass of sclerotic fibrous tissue with cystic ducts, multiple calcifications, and lymphoplasma cell infiltration. Sclerosing adenosis and cystic ducts with frequent apocrine-like cells were noted. Familiarity with the cytologic and histological features of SPA is very important making the correct diagnosis.
Adult ; Biopsy, Fine-Needle ; Breast ; Cystic Duct ; Cytoplasm ; Epithelial Cells ; Humans ; Lymphocytes ; Parotid Gland ; Recognition (Psychology) ; Salivary Glands

Sclerosing polycystic adenosis (SPA) of the salivary glands is a rare entity analogous to fibrocystic disease of the breast. Less than 50 cases of SPA have been published in the literature. We report the first Korean case of SPA of the right parotid gland. A 34-year-old man presented with a slowly growing right parotid mass. Computed tomography showed a relatively well-demarcated, heterogeneously enhancing mass with multiple small calcifications. Fine needle aspiration showed cohesive sheets of epithelial cells with granular oncocytic cytoplasm and scattered lymphocytes. The parotidectomy specimen showed a 3 cm-sized solid nodular lesion with small cysts. Microscopically, the lesion was an unencapsulated mass of sclerotic fibrous tissue with cystic ducts, multiple calcifications, and lymphoplasma cell infiltration. Sclerosing adenosis and cystic ducts with frequent apocrine-like cells were noted. Familiarity with the cytologic and histological features of SPA is very important making the correct diagnosis.
Adult ; Biopsy, Fine-Needle ; Breast ; Cystic Duct ; Cytoplasm ; Epithelial Cells ; Humans ; Lymphocytes ; Parotid Gland ; Recognition (Psychology) ; Salivary Glands

PURPOSE: Cerebral palsy is a group of conditions characterized by nonprogressive motor and posture dysfunction developing during perinatal period due to brain damage. Combined sensory and cognitive disorders can evolve the secondary mental retardation or speech disorder. Brain evoked potential can evaluate the visual, auditory, somatosensory neuropathway, and the response of frontal, temporal, occipital lobe. We studied the usefulness of brain pvoked votential as a tool in the early diagnosis and treatment of sensory disorders in cerebral palsy. METHODS: We retrospectively reviewed the records of 86 cerebral palsy patients who were practiced brain evoked potential study in Chungnam National University Hospital from July, 1995 to June, 1999. We analyzed the visual, auditory, somatosensory evoked potential result and the correlations between the electroencephalography, radiologic brain imaging study and the brain evoked potential. RESULTS: 1) Clinical types of cerebral palsy were spastic type(85.0%), athetoid type(3.5%), mixed type(3.5%) and the remaining cases did not manifest any one the types above. 2) Abnormal evoked potential fingings were 25 cases(29.4%) in visual evoked potential, 16 cases(18.8%) in auditory evoked potential, 28 cases(37.8%) in median nerve evoked potential, 39 cases(52.7%) in tibial nerve evoked potential. 3) Electroencephalography, radiologic brain imaging study manifested no statistically significant correlations with the brain evoked potential result(P>0.05). CONCLUSION: As a noninnvasive neurophysiologic study, Brain evoked potential is a useful method predicting neurologic developmental progress and helpful to early diagnosis of sensory disorder in cerebral palsy patients.
Brain* ; Cerebral Palsy* ; Chungcheongnam-do ; Early Diagnosis ; Electroencephalography ; Evoked Potentials* ; Evoked Potentials, Auditory ; Evoked Potentials, Somatosensory ; Evoked Potentials, Visual ; Humans ; Intellectual Disability ; Median Nerve ; Muscle Spasticity ; Neuroimaging ; Occipital Lobe ; Posture ; Retrospective Studies ; Sensation Disorders ; Tibial Nerve

PURPOSE: Treatment of Kawasaki disease with intravenous gamma globulin(IVGG), together with aspirin, has been dernonstrated to be safe and effective in preventing coronary artery lesion and systemic inflarnmation, but optimal IVGG dosage and administration method are still controversial. We compared the therapeutic efficacy and clinical response of single IVGG 1g/kg to that of IVGG lg/kg for comparable risk group of Kawasaki disease. METHODS: We conducted a prospective study involving 63 children with Kawasaki disease requiring IVGG treatment(Harada score> or =4) at Chungnam National University Hospital from February 1996 to January 1999. The children were assigned to receive IVGG either as a single infusion of 1g/kg(A group, 32 person) or 2g/kg(B group, 31 person) and aspirn(100mg/kg/day through acute phase, then 3 to 5mg/kg/day for 8 weeks of duration). RESULTS: There were no significant difference between the two groups according to clinical and laboratry data, including coronary artery lesions(group A, 31.3% and group B, 29.0%) before treatment. After IVGG treatment ratio of complication with coronary artery lesion(group A 1/32=3.1% and group B, 2/31=6.5%) and that of retreatment(group A, 4/32=12.5%, group B, 2/31=6.5%), duration of fever(group A, 1.3+/-1.6 days and group B, 0.7+/-1.4 days), hospital stay(group A, 7.0+/-1.4 days and group B, 6.5+/-2.0 days), laboratory finding and side effects of IVGG were not significantly different(P>0.05). The total dosage of IVGG was significantly lower in group A than group B(group A, 1.16+/-0.37g/kg, 375,421+/-207,351won and group B, 2.10+/-0.40g/kg, 641,498+/-274,750won (P<0.05). CONCLUSION: The therapeutic efficacy and clinical response of single 1g/kg therapy are comparable to that of single 2g/kg therapy.
Aspirin ; Child ; Chungcheongnam-do ; Coronary Vessels ; gamma-Globulins* ; Humans ; Mucocutaneous Lymph Node Syndrome* ; Prospective Studies

BACKGROUND: allergic disease is an inflammatory disease, whose main inflammatory cells are eosinophils, mast cells, and T lymphocytes. From that point, new therapeutic targets on allergic inflammation focusing on them are under investigation. We extracted four isoflavonoids from sophorica japonica such as sophi, orobol, genistin and genistein which are known PTK antagonists. We documented that these iso-flavonoids except genistein had an antagonism on IL-5 and IL-3 in vitro eosinophil activation and also in allergic mouse model sensitized by OA(ovualbumin). Their common action is due to the common beta chains. GM-CSF also share common beta chains, through which it activates eosinophils. OBJECTIVES: From the above results, We observed the antagonistic effects of these compounds on GM-CSF using eosinophil activation in vitro. METHODS: LTC4 which was detected by RIA and ECP by UniCAP were activation markers. RESULTS: Among those compounds, sophi was the most potent antagonist on GM-CSF induced LTC4 release and even on degranulation and orobol and genistin also had antagonism on them but genistein an antagonist of PTK did not show any antagonistic effects. CONCLUSION: From these results, We concluded these three iso-flavonoids were GM-CSF antagonists and the mechanism might not be through PTK signaling.
Animals ; Eosinophils ; Genistein ; Granulocyte-Macrophage Colony-Stimulating Factor ; Inflammation ; Interleukin-3 ; Interleukin-5 ; Leukotriene C4 ; Mast Cells ; Mice ; T-Lymphocytes

BACKGROUND: Analgesic tolerance to opioids has been described in both experimental and clinical conditions, which may limit their clinical utility. This study investigated the effects of intrathecal adenosine A1 receptor agonist (R-PIA) on spinal morphine tolerance. METHODS: SD rats were given intrathecal injections of saline 10microliter, R-PIA 10microgram, morphine 10microgram, or R-PIA plus morphine combinations for 7 days (R-PIA given for days 1-7; days 1-3; or days 5-7). Antiallodynic testing using von Frey filaments was carried out before and 30 minutes after the drug injection. On day 8, an antiallodynic dose-response curve was constructed and the 50% effective dose (ED(50)) for morphine (given alone) was calculated for each study group. RESULTS: The coinjection group of R-PIA with morphine blocked the development of tolerance, as shown by the preservation of morphine antiallodynia over 7 days the concomitant decrease in the ED(50) values on day 8, compared with the morphine-alone group. Although additive analgesia over days 1-7 cannot be ruled out, the reductions of the ED(50) in the R-PIA and morphine combination group suggest some suppression of tolerance. CONCLUSIONS: These results suggest that intrathecal R-PIA prevents the development of spinal opioid tolerance. Future studies will be needed to examine the respective roles of supraspinal and peripheral sites of R-PIA and morphine interaction, and to investigate the mechanisms underlying the action of R-PIA on opioid tolerance.
Adenosine A1 Receptor Agonists* ; Adenosine* ; Analgesia ; Analgesics, Opioid ; Animals ; Hyperalgesia ; Injections, Spinal ; Models, Animal* ; Morphine* ; Pain, Postoperative* ; Rats* ; Receptor, Adenosine A1*

Objective To investigate the effects of triamcinolone acetonide combined with tanshinone ⅡA (Monomer of tanshinone)injection on oral submucous fibrosis(OSF)and the effect of serum TGF-β1 and IL-6 on patients.Methods 92 patients with OSF,w ho came to the hospital for treatment from April 2013 to April 2016,were selected and randomly divided into control group(46 cases)and experimental group(46 ca-ses).They were respectively treated with triamcinolone acetonide and triamcinolone acetonide combined with tanshinone injection.The two groups were treated for 3 courses and were followed up for 12 months.The VAS scores and mouth opening were compared between the two groups before the treatment and 2,4,6,and 12 months after the treatment,The serum TGF-β1,IL-6,lesion area and the changes of quality of life oral health impact scale(OHIP-14)scores of two groups were compared before and after treatment.Results 6 months after follow-up,the maximum mouth opening of the two groups was significantly increased than that before treatment,and improvement speed and improvement degree of the experimental group were better than those of the control group(P<0.05).After 2,4,6 and 12 months follow-up,the VAS scores of the two groups were significantly lower than those before treatment,and the experimental group were significantly lower than those of the control group(P<0.05),but the VAS score of two groups after 12 months increased than that after 6 months,and the control group was more obvious(P<0.05).After treatment,the levels of TGF-β1 and IL-6 of the experimental group were significantly lower than those of the control group and before the treat-ment(P<0.05);After treatment,the lesion area of the experimental group was significantly lower than that of the control group,and the OHIP-14 score was significantly higher than that of the control group,and the difference was significant compared with this group before treatment(P<0.05).Conclusion The local injec-tion treatment of triamcinolone and tanshinone injection has godd efficacy of OSF patients,and significantly re-duces the levels of TGF-β1 and IL-6 in serum.

Objective To research superconducting magnetocardiography signal measurement technology and coronary heart disease screening for solving the difficulties in weak magnetocardiography signal measurement,and to verify the value of clinical application.Methods The principle of superconducting magnetocardiography signal measurement technology was analyzed for constructing a framework for superconducting magnetocardiography signal measurement technology.Then,the key circuits such as the host controller,magnetic flux-locked loop,and signal conditioning module were designed,and software systems and core algorithms were developed.Finally,a total of 255 volunteers with healthy hearts,mild myocardial ischemia and severe myocardial ischemia were enrolled in the study,and a comparative experiment was performed between synchronous magnetocardiography and coronary angiography(CAG).Results The peer-to-peer bipolar structure was only observed in the current density vector distribution of healthy subjects instead of myocardial ischemia subjects.The overall coincidence rate,total Kappa value,severe ischemia coincidence rate,mild ischemia coincidence rate and negative coincidence rate of magnetocardiography with CAG were 86.22%,78.21%,86.79%,84.09%and 86.67%,respectively.Magnetocardiography had a sensitivity,specificity,positive rate,negative rate,positive likelihood ratio and negative likelihood ratio of 87.16%,84.41%,86.00%,86.67%,5.98 and 0.08,respectively.Conclusion Magnetocardiography has a high coincidence rate and consistency with CAG in the diagnosis of myocardial ischemia.Superconducting magnetocardiography signal measurement technology can be served as an accurate and reliable screening method for coronary heart diseases.

BACKGROUND: Infiltration of eosinophils in the nasal mucosa is a consistent feature of nasal allergic inflammation. Various cytokines, especially interleukin-5(IL-5), were identified to play important roles in the infiltration and activation of eosinophils in nasal mucosa. Our previous study found that among 4 kinds of sophoricosides extracted from Sophora japonica, named sophi, orobol, genistin, and genistein, 3 compounds except genistein known as protein tyrosine kinase(PTK) inhibitor had anti-inflammatory and anti-IL-5 effects, and sophi was the most potent. OBJECTIVE: The goal of this study was to investigate the antagonism of sophi on the nasal eosinophilia in ovalbumin(OA)-sensitized murine nasal allergy model. METHODS: Male BALB/c mice sensitized intraperitoneally and then topically with OA were treated with sophi(10 or 30mg/kg) or anti-mouse IL-5 monoclonal antibody(anti-IL-5 mAb, 1mg/Kg) intravenously 1 hour before challenge. The effect of sophi on the infiltration of eosinophils into the nasal mucosa, peripheral blood eosinophilia, nasal symptom, and OA-specific IgE antibody production were evaluated. Results: Administration of sophi(10, 30mg/kg) significantly inhibited the nasal eosinophil infiltration and nasal symptom compared to that of anti-IL-5 mAb. But eosinophil count inthe peripheral blood and the titer of OA-specific IgE were not affected by sophi. CONCLUSION: Sophi inhibited not only the tissue eosinophilia but also the acute nasal allergic symptom. These findings suggest that sophi has anti-eosinophilic cytokine activity and also plays blockade of early allergic reaction. Taken together, sophi may be a candidate for new anti-allergic medicine.
Animals ; Antibody Formation ; Cytokines ; Eosinophilia ; Eosinophils* ; Genistein ; Humans ; Hypersensitivity* ; Immunoglobulin E ; Inflammation ; Interleukin-5 ; Male ; Mice ; Nasal Mucosa ; Sophora ; Tyrosine