Journal of the Korean Society of Food Science and Nutrition
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v.39
no.5
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pp.669-676
/
2010
This study was performed to investigate the effect of Brassica rapa (BR) sprouts on weight reduction and cholesterol-lowering action in rats fed high fat diet for 4 weeks. Weight-matched male Sprague-Dawley rats were assigned to four groups according to dietary fat levels (10% or 20% of diet wt.). Experimental groups were normal diet group (N), high fat diet group (HF), high fat diet with 5% BR sprouts powder group (HF-BRL), and high fat diet with 10% BR sprouts powder group (HF-BRH). The body weight gain was increased in HF group, but gradually decreased to the corresponding level of the N group fed BR sprouts powder. The concentrations of serum LDL-cholesterol, atherogenic index and cardiac risk factor tended to decrease in the BR sprouts powder fed groups compared with the HF group. However, HDL-cholesterol concentration in serum decreased in the HF group and markedly increased in the BR sprouts powder fed groups. Concentrations of triglyceride and total cholesterol in liver were also markedly decreased in the BR sprouts powder fed groups. Triglyceride concentrations of epididymal and mesenteric adipose tissues in the BR sprouts powder fed groups were also decreased compared with the HF group. These results indicate that BR sprouts powder may reduce fat accumulation and body weight, and have cholesterol-lowering effect.
The UCPs are members of the mitochondrial inner membrane transporter family, present in the mitochondrial inner membrane. Their main function is increasing the energy expenditure via diminishing the resulting production of ATP from mitochondrial oxidative phosphorylation instead of yielding dissipative heat. They are associated with the metabolism of fat and regulation of energy expenditure. The UCP gene can be viewed as the candidate gene for chicken fatness. In the present study, RT-PCR and Northern Blot methods were developed to investigate the expression of the UCP gene in ten tissues including heart, liver, spleen, lung, kidney, gizzard, intestine, brain, breast muscle and abdominal fat of chicken. The results of both RT-PCR and Northern Blot methods showed that the UCP gene expressed specific in breast muscle. The expression levels of UCP gene in breast muscles from egg-type and meat-type chickens of hatching, 2, 4, 6 and 8 wk of age were detected by RT-PCR assay and results showed that the expression levels of UCP gene were related to breeds. Expression level of UCP gene in layers was higher than that in broilers at various weeks of age except at 6 wk. The UCP gene's expression was higher at 6 wk and had no significant difference among other weeks of age in broilers; in layers the expression level of UCP gene had no significant difference among weeks of age. The experiment results also showed that insulin could increase the expression level of UCP gene by 40% compared with control group.
Kang, Min Gu;Park, Jong Lim;Lee, Jin Hee;Chang, Hak;Minn, Kyung Won;Park, Gyu Ju
Archives of Plastic Surgery
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v.34
no.5
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pp.537-542
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2007
Purpose: Adipose tissue contains a population of pluripotent stem cells capable of differentiating along multiple mesenchymal cell lineages. It is well known that fat depots from different part of our body shows different nature not only in morphological aspect but also physiologic aspect. The authors compared the adipogenic potentials and osteogenic potentials of adipose stem cells from different anatomical sites of human. Methods: After laparotomy by surgery team, the authors isolated these adipose stem cells successfully from 7 men with an average age of 58, and induced differentiation along adipogenic and osteogenic lineages in vitro. On the 14th day, cells cultured in adipogenic media differentiated into adipocytes in vitro, as evidenced by positive Oil Red O staining of lipid vacuoles. On the 21st day, cells cultured in osteogenic media differentiated into osteoblasts in vitro as demonstrated by Alizarin red staining of a calcified extracellular matrix. Results: After exposure to adipogenic and osteogenic differentiation medium, subcutaneous adipose stem cells were found to possess greater adipogenic and osteogenic potentials than cells isolated from visceral adipose tissues. Conclusion: This study indicates that adipogenic and osteogenic potentials of adipose stem cells vary by their anatomical sites, with subcutaneous adipose stem cells exhibiting higher adipogenic and osteogenic potential than those isolated from visceral fat.
Accumulating evidence indicates that lactic acid bacteria could improve host physiology and lipid metabolism. To investigate the effect of the gut microbiota on host lipid metabolism, a hyperlipidemic rat model was established by feeding rats a high-fat diet for 28 days, and the gut microbiota of the rats was analyzed using real-time PCR before and after administration of Lactobacillus rhamnosus hsryfm 1301 and its fermented milk for 28 days. The findings showed that the Lactobacillus spp., Bifidobacterium spp., Bacteroides spp., and Enterococcus spp. content in the hyperlipidemic rats gut was increased significantly (p < 0.05), while the Clostridium leptum and Enterobacter spp. content was decreased significantly after intervening with L. rhamnosus hrsyfm 1301 and its fermented milk for 28 days (p < 0.05). Furthermore, the lipid levels of the serum and the liver were decreased significantly (p < 0.05) and the fecal water content was increased significantly (p < 0.05) in the hyperlipidemic rats after the intervention, and hepatocyte fatty degeneration of liver tissues was also prevented. A positive correlation was observed between the Clostridium leptum content and the level of serum cholesterol, triglycerides, low-density lipoprotein, and high-density lipoprotein, and a negative correlation was observed between the Enterobacter spp. content and the Lactobacillus spp. and Bifidobacterium spp. content in the hyperlipidemic rats gut. These results suggest that the gut microbiota and lipid metabolism of hyperlipidemic rats could be improved by supplementation with L. rhamnosus hsryfm 1301 and its fermented milk.
Kim, Seong-Ryul;Choi, Kwang-Ho;Kim, Sung-Wan;Park, Seung-Won
International Journal of Industrial Entomology and Biomaterials
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v.33
no.2
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pp.113-120
/
2016
Bombyx mandarina is widely accepted as ancestor of B. mori. Silkworms are served as well-characterized models for understanding the mechanism for the genetic regulation of development. In this study, we performed RNA-Seq analysis to examine tissue-expression of gloverin isoforms of the silk-gland, mid-gut, and fat body in B. mandarina. BLAST analysis revealed that four gloverin isoform gene sequences of B. mandarina were highly similar to B. mori. To identify the difference between two species, the expression profile of gloverin was measured by semi- RT-PCR analysis. The specific expression of gloverin isoform genes was observed mainly in the fat body from B. mori but not B. mandarina. However, all of tissues in the wild-type silkworm could induce the upregulation of compared with the B. mori. To validate the sudden increase in gloverin gene expression in the mid-gut tissue of B. mandarina, we were using qRT-PCR. Relative mRNA expression rate of gloverin at the wild-type silkworm was much higher than domestic silkworm. Comparative genomics between domesticated and wild silkworms showed different tissue-expression levels in some of immune related genes. These results are suggesting a trend toward decreasing immunity related genes expression during domestication. Further studies are needed to elucidate the silkworm domestication and an invaluable resource for wild silkworm genomics research.
Kim, Hyeong-Cheol;Kim, Hyung-Woo;Kim, Yong-Seong;Lee, Jang-Sik;Kwon, Jeong-Nam;Kim, Young-Gyun;Cho, Su-In
The Korea Journal of Herbology
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v.22
no.4
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pp.239-245
/
2007
Objective : Salviae miltiorrhizae Radix (SMR) has widely used to treat patients with cardiovascular diseases such as coronary arteriosclerosis, angina pectoris and hyperlipidemia. This study was designed to investigate the effects of SMR on changes in serum cholesterol and protective effects on liver tissue damage in Hyperlipidemic rats. Methods : The present author investigated changes in serum glucose, cholesterols, AST/ALT and histopathological changes of liver tissue by oral administration of SMR in Rats. Results : In this study, body weights of hyperlipidemic rats induced high fat diet did not changed, and treatment with SMR did not affect body weights in hyperlipidemic rats. For experimental period, Food and Water uptake in SMR administered group were the same as those in hyperlipidemic control group. In this experiment, treatment with SMR decreased total cholesterol and AST in serum which elevated by high fat diet respectively. In addition, SMR administration protected liver tissue from damage induced by induction of hyperlipidemia. Conclusions: These results suggest that SMR is useful to treat patients with disease related to cardiovascular diseases including hyperlipidemia, because SMR can decrease cholesterol and AST in serum and also have non-specific protective effect on tissues including liver.
Obesity-induced disorders contribute to the development of metabolic diseases such as insulin resistance, fatty liver diseases, and type 2 diabetes (T2D). In this study, we evaluated the hypoglycemic and hypolipidemic effects of aloe formula in high fat diet (HFD)-fed C57BL/6N mice. Male mice fed HFD for 28 weeks received a supplement of aloe formula, PAG, ALS, Aloe QDM, and an Aloe QDM complex for a further 8 weeks and were then compared with regular diet fed mice. After the experimental period, the blood glucose levels of the Aloe QDM complex-and PGZ-supplemented mice were significantly lower than those of the HFD-fed mice. Aloe formula, especially the Aloe QDM complex, and the PGZ treatment group profoundly affected the IPGTT and HOMA-IR. Immunochemistry was done for the morphological observation and the resulting sizes of adipocytes around the epididymis were significantly decreased when comparing the aloe formula-treated and HFD-fed groups. Further, aloe formula decreased mRNA expression of fatty acid synthesis enzymes and led to reduced hepatic steatosis in both liver and WAT. These results suggest that supplementation of Aloe QDM complex in the HFD-fed mice improved insulin resistance by lowering blood glucose levels and reducing adipocytes. Our data suggest that dietary aloe formula reduces obesity-induced glucose tolerance by suppressing fatty acid synthesis in the WAT and liver, both of which are important peripheral tissues affecting insulin resistance. The Aloe QDM complex could be used as a nutritional intervention against T2D.
This study done to investigate the hypocholesterolemic effect of ow dietary fiber in a high cholesterol diet in aspect of cholesterol absorption and excretion using Sprague Dawley rats. After feeding diets containing 0.5% cholesterol and 5% tangerine pulp, sea tangle or prickly pear cactus for four weeks, we measured the levels of plasma and liver cholesterol and triglyceride, fecal neutral sterols and fecal radioactivity after ingestion 14(sup)C-cholesterol. We also examined platelet aggregation and histological change in liver tissues in association of hypercholesterolemia. The liver to body weight ratio was significantly(p<0.01) lower in rats fed prickly pear cactus than in other groups. The levels of plasma total cholesterol, LDL-cholesterol and triglyceride were decreased significantly(p<0.01) in the prickly pear cactus group compared with the control, while there was no difference in the liver levels of total cholesterol and triglyceride among groups. Fecal corprostanol and cholesterol were significantly(p<0.01) higher groups of control and prickly pear cactus compared to the other two groups. Radioisotope excretion after ingestion of 14(sup)C-cholesterol was higher in the control group than in tangerine pulp group or sea tangle group, with the highest in prickly pear group. Radioisotope excretion was the highest during the 2nd and 3rd days in all groups. Hematocrit and platelet aggregation were decreased in all fiber groups compared to the control, but not statistically different. Microscopic examination showed that cholesterol diet cause a fat accumulation in the liver and prickly pear cactus decreased the fat accumulation. Result indicates that prickly pear cactus has hypocholesterolemic effect by decreasing absorption and increasing excretion of cholesterol, thereby protective effect on fatty liver. Control group fed diet containing high cholesterol and low fiber seems to have a self control system in cholesterol absorption and excretion preventing hypercholesterolemia. (Korean J Nutrition 34(2) : 141-149, 2001)
Ha, Tae-Hoon;Kim, Hyun-Young;Kim, Hyung-Woo;Cho, Su-In;Kim, Young-Gyun
The Korea Journal of Herbology
/
v.27
no.3
/
pp.107-112
/
2012
Objectives : This study was designed to investigate the effects of Tong Xin Lou (TXL) on lipid accumulation in liver tissue in Hypercholesterolemic mice. TXL is new drug, which is one of Cardiotonic Pills. TXL is used for activating the blood flow in the restoration stage of cerebral infarction, and for alleviation of angina pectoris including the symptoms as chest oppressed and stabbing pain. Methods : Hyperlipidemia was induced by providing high fat diet for 6 weeks. Normal group was provided with normal rodent diet. TXL was administered orally in the concentration of 10 mg/day for 2 weeks (TXL group). D/W was administered orally in CTL group for 2 weeks. We observed histopathological changes in liver and heart tissues, and also investigated the effect on body weights, and levels of total cholesterol, HDL-cholesterol, LDL-cholesterol and triglyceride in serum. Results : In this study, TXL did not affects weight gain in hypercholesterolemic mice. TXL group showed downward tendency of lipid accumulation compared with CTL group. In addition, oral administration of TXL lowered levels of total cholesterol (P < 0.05) and triglyceride (P < 0.05), which were elevated by induction of hypercholesterolemia. Conclusion : These results suggest that TXL can prevent lipid accumulation in liver tissue through regulation of dyslipidemia.
Kim, Jae Yoon;Jung, Bok Ki;Kim, Young Suk;Roh, Tai Suk;Yun, In Sik
Archives of Craniofacial Surgery
/
v.19
no.2
/
pp.135-138
/
2018
Parry-Romberg syndrome is a rare neurocutaneous syndrome characterized by progressive shrinkage and degeneration of the tissues usually on only one side of the face. It is usually difficult to restore the facial contour due to skin tightness. In this case report, we report a forehead reconstruction with custom-made three-dimensional (3D) titanium implant of a Parry-Romberg syndrome patient who was treated with multiple fat grafts but had limited effect. A 36-year-old man presented with hemifacial atrophy. The disease progressed from 5 to 16 years old. The patient had alopecia on frontal scalp and received a surgery using tissue expander. The alopecia lesion was covered by expanded scalp flap done 22 years ago. Also, he was treated with fat grafts on depressed forehead 17 years ago. However, it did not work sufficiently, and there was noted depressed forehead. We planned to make 3D titanium implant to cover the depressed area (from the superior orbital rim to the vertex). During the operation, we confirmed that the custom-made 3D implant accurately fit for the depressed area without any dead spaces. Previously depressed forehead and glabella were elevated, and the forehead contour was improved cosmetically. A custom-made 3D titanium implant is widely used for skull reconstruction and bring good results. In our case, the depressed forehead of a Parry-Romberg syndrome patient was improved by a 3D titanium implant.
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