Narcolepsy is a sleep disorder, which is characterized by excessive daytime sleepiness (EDS) that is typically associated with cataplexy, sleep fragmentation and other REM sleep-related phenomenon such as sleep paralysis and hypnagogic hallucination. Narcoleptic symptoms can be developed from various medical or neurological disorders. A 17-year-old male patient admitted for the evaluation of EDS which started three-month ago. He slept more than 18 hours a day with cataplexy and hypnagogic hallucination. He was obese with body mass index (BMI) of 30.4 kg/$m^2$. After admission he was newly diagnosed to the thyrotoxicosis. T3 391.2 ng/dL (60-181), free T4 4.38 ng/dL (0.89-1.76), TSH <0.01 ${\mu}IU$/mL (0.35-5.5) were measured. His pulse rate ranged 70-90 beats per minute and blood pressure ranged 150/100-120/70 mmHg. Polysomnography revealed many fragmentations in sleep with many positional changes (81 times/h). Sleep onset latency was 33.5 min, sleep efficiency was 47.9%, and REM latency from sleep onset was delayed to 153.6 min. REM sleep percent was increased to 27.1%. Periodic limb movement index was 13.4/h. In the multiple sleep latency test (MSLT), average sleep latency was 0.4 min and there were noted 3 SOREMPs (Sleep Onset REM sleep period) on 5 trials. We couldn't discriminate the obvious sleep-wake pattern in the actigraph and his HLA DQB1 $^*0602$ type was negative. His thyroid function improved following treatment with methimazole and propranolol. Vital sign maintained within normal range. Cataplexy was controlled with venlafaxine 75 mg. Subjective night sleep continuity and PLMS were improved with clonazepam 0.5 mg, but the EDS were partially improved with modafinil 200-400 mg. Thyrotoxicosis might give confounding role when we were evaluating the EDS, though sleep fragmentation was one of the major symptoms of narcolepsy, but enormous amount of it made us think of the influence of thyroid hormone. The loss of sleep-wake cycle, limited improvement of EDS to the stimulant treatmen, and the cataplexy not supported by HLA DQB1 $^*0602$ should be answered further. We still should rule out idiopathic hypersomnia and measuring CSF hypocretin level would be helpful.
Bell pepper plants (Capsicum annuum cv. Plenty) were grown under low night temperatures (LNT: day/night temperature of $28/13^{\circ}C$) and optimum night temperatures (ONT: day/night temperature of $28/20^{\circ}C$) in growth chambers. Pollen grains were collected from plants in the growth chamber and incubated at 10, 15, 20, 25, and $30^{\circ}C$. After 24 hr incubation, in both ONT and LNT, the highest percent pollen germinations were observed at $25^{\circ}C$ followed by germinations at $30^{\circ}C$. Percent pollen germination at $25^{\circ}C$ was 42% in ONT - two times higher than in LNT at 21%. Pollen tube length was much longer at ONT than at LNT, regardless of incubation temperature. Compared with other treatments, earlier and quicker pollen tube elongation was observed in ONT pollen grains incubated at $25^{\circ}C$. To find pollen viability in plant growing conditions, pollen grains were incubated in LNT ($28/13^{\circ}C$) and ONT ($28/20^{\circ}C$) growth chambers for 24 hr. Petri-dishes with pollen grains were put in the growth chambers at the beginning of the night condition. Pollen grains in the LNT growth chamber did not germinate at night ($13^{\circ}C$), but began to germinate when the day condition ($28^{\circ}C$) started. Pollen grains in the ONT condition, however, started germinating from the early night ($20^{\circ}C$) and germination continued during the day ($28^{\circ}C$). Plants in LNT showed increased flower stalk length, ovary diameter, stamen length, flower weight, and fruit length. LNT conditions did not impair seed set. There were no differences in seed sets between fruits at LNT and ONT. Normal seed sets in LNT show that fertilization may be completed during daytime. However, further investigation is needed to find what extent of temperature stress causes malformed and/or parthenocarpic fruits in this bell pepper.
This study was to investigate the effect of high-fat diet on macrophage immunocompetence in C57BL/6 mice. C57BL/6 male mice (4 weeks aged, n=16) were divided into two groups. HD groups fed high-fat diet (45% of fat) and ND groups fed chow diet (10% of fat). Peritoneal macrophages were obtained from each mouse intra-peritoneal by sterile lavage method. Macrophage were stimulated with $1{\mu}g/ml$ of lipopolysaccharide (LPS) for 24 hr. Body weight was significantly increased by high-fat diet. Macrophage phagocytosis of HD was significantly lower than that of ND. After 24 hr of LPS stimulation, NO, IL-$1{\beta}$ and IFN-${\gamma}$ production of HD were significantly lower than those of ND. There were no significant differences in the production of TNF-${\alpha}$ and IL-12 between HD and ND. These findings suggest that high fat diet-induced obesity is associated with decreased Immunocompetence and antigen-stimulated sensitivity of peritoneal macrophage, and lower production of NO, IL-$1{\beta}$ and IFN-${\gamma}$ may contribute to these changes.
The purpose of this study was to investigate the effects of black garlic supplementation and exercise on TBARS, HSP 70, and COX-2 expression after high-intensity exercise in rats. Twenty-four male Sprague-Dawley rats (4 weeks) were used in this study. Experimental groups were a control group (A, n=6), black garlic supplementation group (B, n=6), exercise group (C, n=6), and black garlic supplementation with exercise group (D, n=6). High-intensity exercise was performed by treadmill running (every 10 min speed increased gradually; 15~24 m/min, $0^{\circ}$ grade) and 2.86 g/kg black garlic for 4 weeks. The findings of this study were as follows: TBARS levels were significantly lower in the D group compared to the other group and B and C groups were significantly lower in TBARS levels than in the A group. HSP 70 expression was lower in the B group compared to the other groups. COX-2 expression has showed a similar expression in all groups. Therefore, it is considered that black garlic intake and exercise may reduce oxidative stress.
Noxious gases with malodorous substance concentrations in each stages of pig buildings were determined at a typical 400sow-scale farm to improve piggery environment. Using IAQ-300 and pDR-1000AN, continuous records for the concentration of $NH_3$, CO, $CO_2$, $NO_2$, $SO_2$, $H_2S$, $O_2$, and along with temperature, humidity, dust concentrates from individual pig pens were collected to analyze every 6 hours' condition of indoor environment for 24 hours' period. In most pig houses, the air quality at noon was good, while at night (00:00~06:00), air composition became noxious in all buildings. The order of buildings' air quality for 24 hrs was pregnant > farrowing > nursery > growing > finishing. The cause of air quality differences was presumed to be the differences of stocking density, defecating amount and the length of exposure time of slurry in indoors. In conclusion, well-designed building structure, proper control of stocking density, quick removal of excreta from pig pens and continuous ventilation are prerequisites to improve pig housing environment.
Seven barley varieties were tested under three different vernalization durations for observing the effects of vernalization duration and different growth habit on shoot apex development and heading date. The final leaf number per main stem in 3 and 6 weeks vernalized seedlings did not vary among varieties, but ranged 7 to 14 leaves in non-vernalized seedlings. The winter types had more leaves than the spring types. Days for each leaf emergence in non-vernalization were retarded 1. 3 to 1. 5 days in comparison with 3 or 6 weeks vernalized seedlings. In general, the leaf emergence speed of spring types was faster than that of winter types. The VI stage whose double ridge formed, did not vary in 6 weeks vernalization, but spring (Gangbori & Dongbori 2) and facultative or winter types showed two conspicuous difference patterns. The differences of days to X stage were great among different vernalization duration and varieties; the stage of spring types was reached faster than that of winter types. The early varieties within the same growth habit were reached to X stage faster, and the time of flag leaf emergence showed the similar tendency to the differentiation of X stage. The time of the first rapid stem internode elongation became late as for incompletely vernalized seedlings. The time within the same vernalization duration became later in winter types than in spring types, and even within the same growth habit, the time of early varieties became faster than that of late varieties. The growth habit in especially non-vernalized seedlings had highly significant correlation coefficients with the times of leaf development speed, leaf number per main stem, the first rapid stem internode and young spike elongations, X stage, and flag leaf emergence. However, the relationship between growth habit and time of heading in the field was not close.
Three experiments were conducted to investigate the effect of feeding yeast accumulated transgenic ferritin(FRT, Saccharomyces cerevisiae) as a probiotic on the performance, iron contents in the liver, spleen, bone and yolk of laying hens and broiler chicks. Effects of feeding FRT were compared with that of feeding wild-type yeast(W0) and yeast grown on 20 mM ferric citrate-added medium (W20). In Expt 1, to investigate the effect of feeding yeast (control, W0 FRT) on performance and iron content of organs of broiler chicks which were fed basal diet supplemented with 75mg/kg iron(Fe75) or not (Fe0), three hundred sixty one-day-old male broiler chicks were fed a corn-sov based diet for five weeks. Weight gain, feed intake and feed conversion were measured weekly. In Expt 2, fifteen 33-week-old ISA Brown laying hens were placed in individual cages and were fed control, W0 and FRT diets for Four weeks. In Expt 3, twenty four 45-week-old ISA Brown laying hens were placed in individual cages and were fed a basal diet for a week. Then, experimental diets (control, W0, W20, FRT) were fed for three weeks. Iron contents in the liver, heart, spleen and tibia were determined at the end of all experiments. Iron content in yolk was measured weekly (expt 2, 3). The level of yeast added and iron concentration of FRT were $1{\times}10^8$cfu/kg diet and 500 mg/kg cell (DM) respectively in Expt 3, yeast was supplemented at $2{\times}10^{10}$cfu/kg diet and the iron content of FRT was 1000mg/kg cell (DM). In Expt 1. birds fed Fe75 showed significantly higher weight gain compared with Fe0 (P<0.05). However, weight gain and feed intake of birds fed FRT was significantly lower than control (P<0.05). In Expt 2, the iron content of the liver was decreased in the FRT treatment (P<0.05). In Expt 3, iron concentration of the liver and spleen tended to be increased by feeding FRt. However, the iron content of the tibia tended to be decreased in the FRT treatment. These results suggest that feeding FRT as a probiotic cannot improve performance and iron content in organs of broiler chicks and laying hens.
Hong Ihn Hee;Ko Cheol Woo;Koo Ja Hoon;Kim Ji-Hong;Kim Pyung-Kil;Cho Byoung Soo
Childhood Kidney Diseases
/
v.3
no.1
/
pp.48-56
/
1999
Purpose : This multicenter collaboratory study was conducted to see the therapeutic efficacy and side effect of cyclosporine A (Cipol-$N^{(R)}$, Chong Kun Dang) on children with idiopathic nephrotic syndrome who experienced frequently relapsing (FR), steroid dependent (SD), or steroid resistant (SR) pattern. Patients and methods : Thirty-nine children with SD/FR NS and 3 children with SR NS were enrolled in the study. After induction of remission (SD/FR NS) with steroid or after 4 weeks of steroid therapy (SR NS), cyclosporine A was started in a dose of 4-5 mg/Kg/day in two divided dose and steroid (prednisolone or equivalent dose of deflazacort) was tapered slowly. During 16 weeks of study period, monthly check up of physical examination and various laboratory tests including BUN, creatinine, Ccr and cyclosporine blood level were done. Results : Out of 39 children with SD/FR NS, 35($89.7\%$) maintained sustained remission and at 4 weeks after therapy, values of serum protein, albumin, cholesterol, and 24 hours urinary protein excretion showed normal values. Two out of 3 children with SR NS showed and sustained remission with cyclosporine A therapy. Side reaction to cyclosporine A therapy showed hypertrichosis in 8 cases and hyperuricemia in 5 cases. However, other laboratory tests including CBC, liver profile, BUN, creatinine and GFR (creatinine clearance utilizing 24 hour urine) did not show any abnormalities during the 16 weeks of study period. Conclusion : Cyclosporine A (Cipoi-$N^{(R)}$ Chong Kun Dang) can be utilized quite effectively on children with SD/FR or SR NS and further trial of cyclosporine A on long-term basis (1-2 year period) is needed to determine it's efficacy and side effect (especially nephrotoxicity) of long-term administration of cyclosporine A.
The purpose of this study is to analyze the characteristics of traffic accidents and to develop the models by day and night-time in the case of the arterial link sections. In pursuing the above, this study uses the 224 accident data occurred at the 24 arterial link sections in Cheongju. The main results analyzed are as follows. First, it was analyzed that the number of accidents during day was more than night, but the accidents rate during night was higher than day. Second, four models which were all statistically significant were developed. Finally, the differences between the day and night models were comparatively analyzed using independent variables.
The etiologic agents of mucormycosis are several nonpathogenic fungi of the order Mucorales and are ubiquitous. A total of 82 chickens were infected with the disease and developed anorexia, diarrhea, malnutrition, dyspnea, and paralysis in a chicken farm, Sokcho, Kwangwon. At necropsy there were multiple nodular lesions and hemorrhages in livers, spleens, kidneys, gastrointestinal track, and respiratory system. On histopathological examination it was found that the nodular lesions were consisted of granoulomatous inflammation accompanying characteristic hyphae ($4{\sim}24{\mu}$ wide) of the fungi.
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